:root {
  --canvas: #dbe4f4;
  --canvas-deep: #bfcee8;
  --ink: #09152e;
  --ink-soft: #25385d;
  --muted: #536584;
  --line: rgba(9, 21, 46, 0.16);
  --line-strong: rgba(9, 21, 46, 0.28);
  --surface: rgba(244, 248, 255, 0.72);
  --surface-solid: #f3f7ff;
  --accent: #243b8f;
  --accent-dark: #101b49;
  --accent-soft: #cdd9ff;
  --cipher: #98a8ff;
  --shadow-soft: 0 28px 76px rgba(7, 18, 48, 0.18), 0 2px 12px rgba(7, 18, 48, 0.10);
  --radius-xl: 34px;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max-width: 1160px;
  --header-height: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --mono: "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, Consolas, monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --math-card: rgba(255, 255, 255, 0.72);
  --math-card-strong: rgba(248, 250, 255, 0.94);
  --math-ink-faint: rgba(16, 24, 45, 0.06);
  --math-focus: rgba(51, 71, 168, 0.18);
  color-scheme: light;
}
* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  background: var(--canvas);
}
body {
  margin: 0;
  min-width: 320px;
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(circle at 78% 10%, rgba(36, 59, 143, 0.28), transparent 26rem),
    radial-gradient(circle at 4% 0%, rgba(11, 28, 76, 0.22), transparent 28rem),
    radial-gradient(circle at 45% 82%, rgba(64, 84, 154, 0.12), transparent 26rem),
    linear-gradient(135deg, #edf3ff 0%, #dbe4f4 44%, #c9d6ec 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(rgba(9, 21, 46, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(9, 21, 46, 0.045) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000 0%, transparent 72%);
  z-index: -1;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button, a, input, textarea { touch-action: manipulation; }
::selection { background: rgba(51, 71, 168, 0.20); }
.skip-link {
  position: fixed;
  top: 14px;
  left: 14px;
  transform: translateY(-130%);
  z-index: 999;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--accent-dark);
  color: white;
  text-decoration: none;
  transition: transform 180ms var(--ease);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid rgba(51, 71, 168, 0.42); outline-offset: 4px; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  backdrop-filter: blur(18px);
  background: rgba(219, 228, 244, 0.82);
  border-bottom: 1px solid rgba(9, 21, 46, 0.12);
}
.nav-shell {
  width: min(var(--max-width), calc(100% - 40px));
  height: var(--header-height);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.02em;
}
.brand-sigil {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: linear-gradient(145deg, #f9fbff, #cbd8ef);
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent-dark);
}
.brand-text { font-size: 1rem; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 15px;
  border-radius: 999px;
  border: 1px solid rgba(9, 21, 46, 0.16);
  background: rgba(255, 255, 255, 0.54);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55);
  color: #05070c;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 850;
  letter-spacing: -0.01em;
  transition: background-color 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}
.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a[aria-current="page"],
.nav-links a.is-active {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(9, 21, 46, 0.28);
  color: #000000;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.82), 0 10px 24px rgba(22, 32, 79, 0.08);
}
.nav-links a:active { transform: translateY(1px); }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 5px auto;
  background: currentColor;
  transition: transform 200ms var(--ease), opacity 200ms var(--ease);
}
.nav-toggle[aria-expanded="true"] span:first-child { transform: translateY(3.25px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:last-child { transform: translateY(-3.25px) rotate(-45deg); }
main { overflow: hidden; }
section { scroll-margin-top: calc(var(--header-height) + 28px); }
.hero-section {
  min-height: calc(100dvh - var(--header-height));
  display: grid;
  align-items: start;
  padding: clamp(34px, 4.6vw, 62px) 0 clamp(52px, 7vw, 94px);
}
.hero-grid,
.research-section,
.work-section,
.background-section,
.contact-section,
.site-footer {
  width: min(var(--max-width), calc(100% - 40px));
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.78fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: start;
}
.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 0.76rem;
  line-height: 1.4;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 820px;
  margin-bottom: 24px;
  font-size: clamp(3.2rem, 7.4vw, 6.85rem);
  line-height: 0.94;
  letter-spacing: -0.035em;
  font-weight: 770;
  font-stretch: normal;
  text-wrap: balance;
}
.hero-lede {
  max-width: 600px;
  margin-bottom: 32px;
  color: var(--ink-soft);
  font-size: clamp(1.06rem, 1.4vw, 1.26rem);
  line-height: 1.62;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 180ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease), box-shadow 180ms var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent-dark); color: #fff; box-shadow: 0 14px 34px rgba(23, 32, 79, 0.22); }
.btn-primary:hover { background: #11183d; box-shadow: 0 18px 40px rgba(23, 32, 79, 0.26); }
.btn-secondary { background: rgba(255, 255, 255, 0.58); border-color: var(--line-strong); color: var(--ink); }
.btn-secondary:hover { background: rgba(255, 255, 255, 0.92); }
.hero-visual {
  position: relative;
  min-height: 560px;
}
.portrait-card {
  position: absolute;
  right: 0;
  top: 0;
  width: min(78%, 410px);
  margin: 0;
  padding: 12px;
  border-radius: 34px;
  border: 1px solid rgba(28, 42, 77, 0.14);
  background: rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow-soft);
  background-color: rgba(246, 249, 255, 0.74);
}
.portrait-card::before {
  content: "";
  position: absolute;
  inset: 22px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(23, 32, 79, 0.18), transparent 50%);
  pointer-events: none;
}
.portrait-image {
  width: 100%;
  aspect-ratio: 4 / 5;
  height: auto;
  object-fit: cover;
  border-radius: 24px;
  background:
    radial-gradient(circle at 50% 28%, rgba(255,255,255,0.55), transparent 5rem),
    linear-gradient(150deg, #cdd5e5, #f8faff 48%, #bfc9df);
}
.portrait-card figcaption {
  margin: 10px 6px 2px;
  color: var(--muted);
  font-size: 0.82rem;
}
.cipher-card {
  position: absolute;
  left: 0;
  bottom: -18px;
  width: min(74%, 390px);
  padding: 22px;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background:
    radial-gradient(circle at 16% 8%, rgba(152, 168, 255, 0.32), transparent 12rem),
    linear-gradient(145deg, #07132f, #14255a 58%, #1e3476);
  color: white;
  box-shadow: 0 26px 68px rgba(7, 19, 47, 0.34);
}
.cipher-topline {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.60);
}
.cipher-text {
  min-height: 86px;
  margin: 30px 0 20px;
  font-family: var(--mono);
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  line-height: 1.16;
  letter-spacing: -0.04em;
  color: #eef2ff;
  text-shadow: 0 0 18px rgba(125, 141, 242, 0.30);
}
.cipher-rail {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 7px;
  margin-bottom: 16px;
}
.cipher-rail span {
  height: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.14);
  overflow: hidden;
}
.cipher-rail span::before {
  content: "";
  display: block;
  width: 50%;
  height: 100%;
  border-radius: inherit;
  background: var(--cipher);
  animation: scan 1.45s var(--ease) infinite;
  animation-delay: calc(var(--i, 0) * 90ms);
}
.cipher-rail span:nth-child(2)::before { --i: 1; }
.cipher-rail span:nth-child(3)::before { --i: 2; }
.cipher-rail span:nth-child(4)::before { --i: 3; }
.cipher-rail span:nth-child(5)::before { --i: 4; }
.cipher-rail span:nth-child(6)::before { --i: 5; }
.cipher-note {
  margin: 0;
  color: rgba(255,255,255,0.68);
  font-size: 0.9rem;
  line-height: 1.5;
}
@keyframes scan {
  0%, 100% { transform: translateX(-20%); opacity: 0.45; }
  50% { transform: translateX(110%); opacity: 1; }
}
.research-section,
.work-section,
.background-section,
.contact-section { padding: clamp(70px, 9vw, 118px) 0; }
.section-heading {
  display: grid;
  grid-template-columns: minmax(150px, 0.3fr) minmax(0, 0.8fr);
  gap: clamp(24px, 5vw, 74px);
  align-items: start;
  margin-bottom: clamp(30px, 5vw, 58px);
}
.section-heading .section-kicker { margin-bottom: 0; }
.section-heading h2,
.contact-copy h2,
.profile-card h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 4.1rem);
  line-height: 1;
  letter-spacing: -0.065em;
  font-weight: 750;
}
.section-heading.compact { grid-template-columns: minmax(0, 0.75fr) minmax(260px, 0.42fr); align-items: end; }
.section-heading.compact .section-kicker { grid-column: 1 / -1; margin-bottom: -36px; }
.section-heading.compact p:not(.section-kicker) { margin: 0; color: var(--ink-soft); line-height: 1.65; }
.interest-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.9fr;
  gap: 16px;
}
.interest-tile,
.work-item,
.profile-card,
.contact-form {
  border: 1px solid rgba(28, 42, 77, 0.13);
  background: var(--surface);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.70);
  background-color: rgba(246, 249, 255, 0.74);
}
.interest-tile {
  min-height: 230px;
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--radius-lg);
}
.primary-tile {
  grid-row: span 2;
  min-height: 476px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    radial-gradient(circle at 20% 16%, rgba(51, 71, 168, 0.18), transparent 17rem),
    rgba(255, 255, 255, 0.62);
}
.interest-tile span {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.8rem;
  letter-spacing: 0.10em;
}
.interest-tile h3 {
  margin: 16px 0 10px;
  font-size: clamp(1.35rem, 2.2vw, 2.35rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
}
.primary-tile h3 { font-size: clamp(2.1rem, 4vw, 3.95rem); }
.interest-tile p,
.work-item p,
.contact-copy p { color: var(--ink-soft); line-height: 1.62; margin-bottom: 0; }
.visual-tile {
  background: linear-gradient(145deg, #081535, #182b67 62%, #243b8f);
  color: white;
  overflow: hidden;
}
.visual-tile p { color: rgba(255,255,255,0.72); }
.lattice-field {
  position: relative;
  height: 126px;
  margin-bottom: 18px;
  transform: rotate(-8deg);
}
.lattice-field::before,
.lattice-field::after {
  content: "";
  position: absolute;
  inset: 18px 10px;
  background-image: linear-gradient(rgba(255,255,255,0.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.12) 1px, transparent 1px);
  background-size: 34px 34px;
}
.lattice-field i {
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #b7c1ff;
  box-shadow: 0 0 20px rgba(183,193,255,0.72);
}
.lattice-field i:nth-child(1) { left: 12%; top: 18%; }
.lattice-field i:nth-child(2) { left: 28%; top: 44%; }
.lattice-field i:nth-child(3) { left: 45%; top: 22%; }
.lattice-field i:nth-child(4) { left: 60%; top: 56%; }
.lattice-field i:nth-child(5) { left: 78%; top: 30%; }
.lattice-field i:nth-child(6) { left: 16%; top: 76%; }
.lattice-field i:nth-child(7) { left: 38%; top: 72%; }
.lattice-field i:nth-child(8) { left: 70%; top: 82%; }
.lattice-field i:nth-child(9) { left: 88%; top: 64%; }
.work-section { border-top: 1px solid var(--line); }
.work-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.work-item {
  display: flex;
  min-height: 320px;
  flex-direction: column;
  padding: 26px;
  border-radius: var(--radius-lg);
}
.work-meta {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: auto;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.work-meta time { color: var(--accent); white-space: nowrap; }
.work-item h3 {
  margin: 48px 0 12px;
  font-size: clamp(1.28rem, 2vw, 1.85rem);
  line-height: 1.12;
  letter-spacing: -0.04em;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 20px 0 0;
}
.tag-list li {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(255,255,255,0.48);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.75rem;
}
.background-section { padding-top: 0; }
.profile-card {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(300px, 0.65fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
  padding: clamp(28px, 5vw, 56px);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 90% 10%, rgba(51, 71, 168, 0.15), transparent 18rem),
    rgba(255, 255, 255, 0.64);
}
.check-list {
  display: grid;
  gap: 15px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.check-list li {
  position: relative;
  padding-left: 28px;
  color: var(--ink-soft);
  line-height: 1.55;
}
.check-list li::before {
  content: "";
  position: absolute;
  top: 0.58em;
  left: 0;
  width: 12px;
  height: 12px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  background: rgba(51,71,168,0.12);
}
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(340px, 0.62fr);
  gap: clamp(32px, 6vw, 88px);
  align-items: start;
  border-top: 1px solid var(--line);
}
.contact-copy { position: sticky; top: calc(var(--header-height) + 34px); }
.contact-copy h2 { margin-bottom: 22px; }
.contact-copy p { max-width: 620px; margin-bottom: 24px; }
.contact-details { display: flex; flex-direction: column; gap: 8px; color: var(--ink-soft); }
.contact-details a {
  width: fit-content;
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}
.contact-form { padding: clamp(22px, 4vw, 34px); border-radius: var(--radius-xl); }
.form-row { margin-bottom: 18px; }
.form-row label { display: block; margin-bottom: 8px; color: var(--ink); font-weight: 700; font-size: 0.92rem; }
.form-row input,
.form-row textarea {
  width: 100%;
  border: 1px solid rgba(28,42,77,0.18);
  border-radius: 16px;
  background: rgba(255,255,255,0.70);
  color: var(--ink);
  padding: 13px 14px;
  font-size: 1rem;
  line-height: 1.4;
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), background-color 180ms var(--ease);
}
.form-row textarea { resize: vertical; min-height: 136px; }
.form-row input::placeholder,
.form-row textarea::placeholder { color: rgba(61, 73, 97, 0.55); }
.form-row input:hover,
.form-row textarea:hover { border-color: rgba(28,42,77,0.30); }
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: rgba(51,71,168,0.68);
  box-shadow: 0 0 0 4px rgba(51,71,168,0.12);
  background: white;
}
.form-row input[aria-invalid="true"],
.form-row textarea[aria-invalid="true"] { border-color: #a93232; box-shadow: 0 0 0 4px rgba(169, 50, 50, 0.10); }
.field-error { min-height: 18px; margin: 6px 0 0; color: #a93232; font-size: 0.86rem; line-height: 1.35; }
.submit-btn { width: 100%; position: relative; }
.submit-btn:disabled { cursor: wait; opacity: 0.82; }
.btn-loading { display: none; }
.submit-btn.is-loading .btn-label { opacity: 0; }
.submit-btn.is-loading .btn-loading { display: inline; position: absolute; }
.form-status { min-height: 22px; margin: 14px 0 0; color: var(--ink-soft); line-height: 1.45; }
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 34px 0 46px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.92rem;
}
.site-footer p { margin: 0; }
.site-footer a { color: var(--ink-soft); text-decoration-thickness: 1px; text-underline-offset: 4px; }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms var(--ease), transform 700ms var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 90ms; }
.delay-2 { transition-delay: 170ms; }
.delay-3 { transition-delay: 250ms; }
.background-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 16px;
}
.background-grid .profile-card {
  grid-template-columns: 1fr;
  align-items: start;
  gap: 30px;
  min-height: 390px;
}
.background-grid .profile-card h3 {
  margin: 0 0 14px;
  font-size: clamp(1.8rem, 3vw, 3rem);
  line-height: 1.02;
  letter-spacing: -0.055em;
}
.profile-note {
  margin: 0;
  max-width: 34rem;
  color: var(--ink-soft);
  line-height: 1.6;
}
.education-card {
  background:
    radial-gradient(circle at 12% 12%, rgba(36, 59, 143, 0.13), transparent 16rem),
    rgba(246, 249, 255, 0.76);
}
.academia-card {
  background:
    radial-gradient(circle at 88% 14%, rgba(36, 59, 143, 0.16), transparent 18rem),
    rgba(246, 249, 255, 0.74);
}
.channel-tile {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  background:
    radial-gradient(circle at 84% 16%, rgba(36, 59, 143, 0.15), transparent 12rem),
    rgba(246, 249, 255, 0.76);
}
.tile-link {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--accent-dark);
  background: rgba(255, 255, 255, 0.54);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  transition: transform 180ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease);
}
.tile-link:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.9);
  border-color: rgba(36, 59, 143, 0.38);
}
.tile-link:active { transform: translateY(1px); }
.pqc-tile {
  justify-content: flex-start;
  gap: 24px;
  overflow: hidden;
  padding: 16px;
}
.pqc-tile .tile-copy {
  padding: 0 clamp(8px, 1.5vw, 18px) clamp(8px, 1.5vw, 18px);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  flex: 1;
}
.pqc-tile .tile-copy span { margin-top: 2px; }
.pqc-tile h3 { margin-top: 12px; }
.pqc-tile p {
  max-width: 38rem;
  font-size: 0.98rem;
  line-height: 1.7;
}
.tile-visual {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  object-fit: cover;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.52);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.35), 0 18px 44px rgba(7, 18, 48, 0.14);
}
.prime-tile {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  background:
    linear-gradient(rgba(152, 168, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(152, 168, 255, 0.05) 1px, transparent 1px),
    radial-gradient(circle at 16% 12%, rgba(152, 168, 255, 0.28), transparent 11rem),
    linear-gradient(145deg, #07132f, #14255a 58%, #1e3476);
  background-size: 18px 18px, 18px 18px, auto, auto;
  color: #f4f7ff;
}
.prime-tile::before {
  content: "RUN: PRIME_SCAN";
  position: absolute;
  top: 18px;
  right: 20px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.42);
}
.prime-label { color: rgba(255,255,255,0.68) !important; }
.prime-screen {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
  margin: 8px 0 2px;
  font-family: var(--mono);
  perspective: 600px;
}
.prime-screen b {
  display: grid;
  place-items: center;
  min-height: 42px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 12px;
  background: rgba(255,255,255,0.07);
  color: #dfe5ff;
  font-size: clamp(1.08rem, 2vw, 1.45rem);
  font-weight: 800;
  text-shadow: 0 0 14px rgba(152, 168, 255, 0.62);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
  opacity: 0.48;
  transform: translateY(8px) rotateX(18deg) scale(0.96);
  animation: prime-pop 2.35s var(--ease) infinite;
  animation-delay: calc(var(--prime-index, 0) * 140ms);
}
.prime-screen b:nth-child(1) { --prime-index: 0; }
.prime-screen b:nth-child(2) { --prime-index: 1; }
.prime-screen b:nth-child(3) { --prime-index: 2; }
.prime-screen b:nth-child(4) { --prime-index: 3; }
.prime-screen b:nth-child(5) { --prime-index: 4; }
.prime-screen b:nth-child(6) { --prime-index: 5; }
.prime-screen b:nth-child(7) { --prime-index: 6; }
.prime-screen b:nth-child(8) { --prime-index: 7; }
.prime-tile p { color: rgba(255,255,255,0.72); }
@keyframes prime-pop {
  0%, 100% {
    opacity: 0.46;
    transform: translateY(8px) rotateX(18deg) scale(0.96);
    border-color: rgba(255,255,255,0.14);
  }
  28%, 46% {
    opacity: 1;
    transform: translateY(0) rotateX(0deg) scale(1.04);
    border-color: rgba(152, 168, 255, 0.68);
    background: rgba(152, 168, 255, 0.16);
  }
}
.factor-tile {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
  background:
    linear-gradient(rgba(152, 168, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(152, 168, 255, 0.055) 1px, transparent 1px),
    radial-gradient(circle at 14% 10%, rgba(152, 168, 255, 0.28), transparent 12rem),
    linear-gradient(145deg, #07132f, #14255a 58%, #1e3476);
  background-size: 18px 18px, 18px 18px, auto, auto;
  color: #f4f7ff;
}
.factor-tile::before {
  content: "RUN: FACTOR_DEMO";
  position: absolute;
  top: 18px;
  right: 20px;
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.42);
}
.factor-label { color: rgba(255,255,255,0.68) !important; }
.factor-screen {
  display: grid;
  gap: 10px;
  margin: 8px 0 2px;
  font-family: var(--mono);
}
.factor-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 11px;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 13px;
  background: rgba(255,255,255,0.07);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
  opacity: 0.58;
  transform: translateY(8px) scale(0.98);
  animation: factor-solve 4.2s var(--ease) infinite;
  animation-delay: calc(var(--factor-index, 0) * 520ms);
}
.factor-line:nth-child(1) { --factor-index: 0; }
.factor-line:nth-child(2) { --factor-index: 1; }
.factor-line:nth-child(3) { --factor-index: 2; }
.factor-line b,
.factor-line span {
  min-width: 0;
  overflow-wrap: anywhere;
  color: #dfe5ff;
  font-size: clamp(0.78rem, 1.25vw, 0.94rem);
  font-weight: 800;
  text-shadow: 0 0 14px rgba(152, 168, 255, 0.46);
}
.factor-line em {
  color: rgba(255,255,255,0.54);
  font-style: normal;
  font-weight: 800;
}
.factor-tile p {
  color: rgba(255,255,255,0.74);
  font-size: 0.92rem;
}
@keyframes factor-solve {
  0%, 100% {
    opacity: 0.52;
    transform: translateY(8px) scale(0.98);
    border-color: rgba(255,255,255,0.14);
  }
  20%, 42% {
    opacity: 1;
    transform: translateY(0) scale(1.015);
    border-color: rgba(152, 168, 255, 0.68);
    background: rgba(152, 168, 255, 0.16);
  }
}
.interest-tile.reveal.is-visible,
.work-item.reveal.is-visible,
.profile-card.reveal.is-visible {
  transition: transform 240ms var(--ease), border-color 240ms var(--ease), box-shadow 240ms var(--ease), background-color 240ms var(--ease);
  will-change: transform;
}
.interest-tile.reveal.is-visible:hover,
.work-item.reveal.is-visible:hover,
.profile-card.reveal.is-visible:hover,
.interest-tile.reveal.is-visible:focus-within,
.work-item.reveal.is-visible:focus-within,
.profile-card.reveal.is-visible:focus-within {
  transform: translateY(-7px) scale(1.012);
  border-color: rgba(36, 59, 143, 0.28);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.72), 0 24px 54px rgba(7, 18, 48, 0.15);
}
.factor-tile.reveal.is-visible:hover,
.visual-tile.reveal.is-visible:hover {
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.10), 0 26px 58px rgba(7, 19, 47, 0.25);
}
body.loader-active { overflow: hidden; }
.entrance-loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding: max(22px, env(safe-area-inset-top)) max(18px, env(safe-area-inset-right)) max(22px, env(safe-area-inset-bottom)) max(18px, env(safe-area-inset-left));
  color: #d9ffe8;
  background:
    radial-gradient(circle at 22% 14%, rgba(61, 255, 151, 0.12), transparent 20rem),
    radial-gradient(circle at 78% 82%, rgba(152, 168, 255, 0.12), transparent 22rem),
    #020403;
  transition: opacity 720ms var(--ease), visibility 720ms var(--ease), transform 720ms var(--ease);
}
.entrance-loader[hidden] { display: none; }
.entrance-loader.is-unlocked {
  opacity: 0;
  visibility: hidden;
  transform: scale(1.025);
  pointer-events: none;
}
.loader-noise {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.16;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.18) 0 1px, transparent 1px 4px),
    linear-gradient(90deg, rgba(61,255,151,0.06) 1px, transparent 1px),
    linear-gradient(rgba(61,255,151,0.045) 1px, transparent 1px);
  background-size: auto, 42px 42px, 42px 42px;
  animation: loader-noise-shift 900ms steps(2) infinite;
}
.loader-shell {
  position: relative;
  width: min(920px, 100%);
  animation: loader-arrive 780ms var(--ease) both;
}
.loader-terminal {
  border: 1px solid rgba(112, 255, 178, 0.24);
  border-radius: 26px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.055), transparent 26%),
    rgba(2, 11, 7, 0.88);
  box-shadow:
    0 0 0 1px rgba(255,255,255,0.035) inset,
    0 34px 90px rgba(0,0,0,0.72),
    0 0 64px rgba(61,255,151,0.12);
  backdrop-filter: blur(10px);
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 16px;
  border-bottom: 1px solid rgba(112, 255, 178, 0.18);
  background: rgba(255,255,255,0.045);
  font-family: var(--mono);
  color: rgba(217, 255, 232, 0.62);
  font-size: 0.78rem;
}
.terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(112, 255, 178, 0.42);
}
.terminal-bar span:nth-child(1) { background: #ff6961; }
.terminal-bar span:nth-child(2) { background: #f5c24b; }
.terminal-bar span:nth-child(3) { background: #70ffb2; }
.terminal-bar strong {
  margin-left: 8px;
  font-weight: 600;
}
.terminal-screen {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
  gap: clamp(22px, 5vw, 52px);
  padding: clamp(24px, 5vw, 54px);
}
.loader-kicker {
  grid-column: 1 / -1;
  margin: 0 0 -12px;
  font-family: var(--mono);
  color: #70ffb2;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.terminal-screen h2 {
  margin: 0;
  color: #f3fff8;
  font-size: clamp(2.45rem, 7vw, 5.8rem);
  line-height: 0.9;
  letter-spacing: -0.065em;
}
.loader-subtitle {
  max-width: 34rem;
  margin: 18px 0 0;
  color: rgba(217, 255, 232, 0.68);
  line-height: 1.62;
}
.code-feed {
  grid-column: 2;
  grid-row: 2 / span 3;
  align-self: stretch;
  display: grid;
  align-content: center;
  gap: 11px;
  min-height: 270px;
  padding: 22px;
  border: 1px solid rgba(112, 255, 178, 0.16);
  border-radius: 20px;
  background:
    linear-gradient(rgba(112,255,178,0.055) 1px, transparent 1px),
    rgba(0,0,0,0.24);
  background-size: 100% 28px;
  font-family: var(--mono);
  font-size: clamp(0.78rem, 1.6vw, 0.94rem);
  color: rgba(217, 255, 232, 0.80);
}
.code-feed span {
  display: block;
  overflow: hidden;
  width: 0;
  white-space: nowrap;
  border-right: 1px solid rgba(112,255,178,0.7);
  animation: type-line 430ms steps(34, end) forwards, caret-blink 520ms steps(1) infinite;
  animation-delay: calc(120ms + var(--line-index, 0) * 160ms);
}
.code-feed span:nth-child(1) { --line-index: 0; }
.code-feed span:nth-child(2) { --line-index: 1; }
.code-feed span:nth-child(3) { --line-index: 2; }
.code-feed span:nth-child(4) { --line-index: 3; }
.code-feed span:nth-child(5) { --line-index: 4; color: #ffffff; }
.decode-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  width: min(100%, 560px);
  padding: 14px;
  border: 1px solid rgba(112, 255, 178, 0.16);
  border-radius: 18px;
  background: rgba(112,255,178,0.055);
  font-family: var(--mono);
  font-weight: 800;
  letter-spacing: 0.18em;
}
.cipher-from,
.cipher-to {
  min-width: 0;
  overflow-wrap: anywhere;
}
.cipher-from {
  color: rgba(217, 255, 232, 0.46);
  text-decoration: line-through;
}
.decode-arrow {
  color: #70ffb2;
  animation: decode-pulse 1.2s var(--ease) infinite;
}
.cipher-to {
  color: #ffffff;
  text-shadow: 0 0 18px rgba(112,255,178,0.42);
}
.loader-form {
  display: grid;
  gap: 10px;
  max-width: 600px;
}
.loader-form label {
  font-family: var(--mono);
  color: rgba(217, 255, 232, 0.72);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.loader-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}
.loader-input-row input {
  min-height: 50px;
  border: 1px solid rgba(112, 255, 178, 0.26);
  border-radius: 14px;
  background: rgba(0,0,0,0.38);
  color: #f3fff8;
  padding: 0 15px;
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.08em;
  outline: none;
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease), background-color 180ms var(--ease);
}
.loader-input-row input::placeholder { color: rgba(217, 255, 232, 0.34); }
.loader-input-row input:focus {
  border-color: rgba(112, 255, 178, 0.72);
  box-shadow: 0 0 0 4px rgba(112,255,178,0.12), 0 0 28px rgba(112,255,178,0.12);
  background: rgba(0,0,0,0.52);
}
.loader-enter,
.loader-skip {
  min-height: 50px;
  border: 1px solid rgba(112, 255, 178, 0.34);
  border-radius: 14px;
  cursor: pointer;
  font-weight: 800;
  transition: transform 180ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}
.loader-enter {
  padding: 0 18px;
  background: #70ffb2;
  color: #031008;
}
.loader-enter:hover {
  transform: translateY(-1px);
  background: #a1ffd0;
}
.loader-enter:active,
.loader-skip:active { transform: translateY(1px); }
.loader-skip {
  grid-column: 1 / -1;
  justify-self: start;
  min-height: 42px;
  padding: 0 13px;
  background: transparent;
  color: rgba(217, 255, 232, 0.68);
}
.loader-skip:hover {
  color: #ffffff;
  border-color: rgba(112, 255, 178, 0.62);
  background: rgba(112,255,178,0.08);
}
.loader-hint,
.loader-status {
  margin: 0;
  color: rgba(217, 255, 232, 0.56);
  font-size: 0.9rem;
  line-height: 1.4;
}
.loader-status {
  min-height: 20px;
  color: #70ffb2;
}
.entrance-loader.has-error .loader-terminal {
  animation: terminal-shake 260ms var(--ease);
  border-color: rgba(255, 105, 97, 0.45);
}
.entrance-loader.has-error .loader-status { color: #ff8f88; }
.work-link {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
.work-link .work-more {
  display: inline-flex;
  width: fit-content;
  margin-top: auto;
  padding-top: 18px;
  color: var(--accent-dark);
  font-weight: 800;
  font-size: 0.9rem;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}
.work-link:hover .work-more,
.work-link:focus-visible .work-more { color: var(--accent); }
@keyframes loader-arrive {
  from { opacity: 0; transform: translateY(18px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes loader-noise-shift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(0, 2px, 0); }
}
@keyframes type-line { to { width: 100%; } }
@keyframes caret-blink { 50% { border-color: transparent; } }
@keyframes decode-pulse {
  0%, 100% { opacity: 0.55; transform: translateX(-2px); }
  50% { opacity: 1; transform: translateX(2px); }
}
@keyframes terminal-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-7px); }
  75% { transform: translateX(7px); }
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  white-space: nowrap;
  border: 0;
  clip: rect(0 0 0 0);
}
.project-shell {
  width: min(var(--max-width), calc(100% - 40px));
  margin-inline: auto;
}
.project-hero {
  min-height: calc(100dvh - var(--header-height));
  display: grid;
  align-items: center;
  padding: clamp(42px, 7vw, 86px) 0 clamp(34px, 6vw, 76px);
  background:
    radial-gradient(circle at 12% 18%, rgba(125, 141, 242, 0.20), transparent 30%),
    linear-gradient(145deg, rgba(238, 241, 247, 0.92), rgba(223, 229, 240, 0.70));
}
.project-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 460px);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
}
.project-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-bottom: 28px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.project-crumbs a {
  color: var(--ink-soft);
  text-decoration: none;
}
.project-crumbs a:hover { color: var(--accent); }
.project-hero-copy h1 {
  max-width: 760px;
  margin-bottom: 22px;
}
.project-hero-copy .hero-lede { max-width: 690px; }
.project-dossier {
  position: relative;
  padding: clamp(22px, 3vw, 34px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.76), rgba(248, 250, 255, 0.58)),
    radial-gradient(circle at 80% 18%, rgba(220, 227, 255, 0.90), transparent 44%);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.project-dossier::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: calc(var(--radius-xl) - 10px);
  pointer-events: none;
}
.dossier-topline {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dark);
}
.dossier-lock {
  position: relative;
  z-index: 1;
  width: min(260px, 72%);
  margin: 8px auto 22px;
}
.dossier-lock svg {
  width: 100%;
  height: auto;
  filter: drop-shadow(0 22px 30px rgba(23, 32, 79, 0.16));
}
.project-meta {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}
.project-meta div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 18px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.project-meta dt {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.project-meta dd {
  margin: 0;
  color: var(--ink);
  font-weight: 650;
  line-height: 1.35;
}
.project-dossier .cipher-topline {
  position: relative;
  z-index: 1;
  margin: 18px 0 0;
}
.project-nav-band {
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(248, 250, 255, 0.52);
}
.project-nav-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.project-nav-card {
  display: grid;
  gap: 5px;
  min-height: 96px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.54);
  text-decoration: none;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}
.project-nav-card span {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.project-nav-card strong {
  align-self: end;
  color: var(--ink);
  font-size: 1.02rem;
}
.project-nav-card:hover,
.project-nav-card:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.80);
}
.project-nav-card.is-current {
  background: var(--accent-dark);
  border-color: rgba(23, 32, 79, 0.4);
}
.project-nav-card.is-current span,
.project-nav-card.is-current strong { color: #f8faff; }
.project-section { padding: clamp(74px, 10vw, 126px) 0; }
.context-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 92px);
  align-items: start;
}
.context-grid h2,
.sticky-heading h2,
.skills-layout h2,
.crypto-grid h2,
.closing-panel h2 { margin-top: 0; }
.context-copy {
  display: grid;
  gap: 22px;
  color: var(--ink-soft);
}
.context-copy p {
  margin: 0;
  font-size: clamp(1.03rem, 1.3vw, 1.18rem);
  line-height: 1.75;
}
.section-heading-row {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(260px, 430px);
  gap: clamp(24px, 5vw, 72px);
  align-items: end;
  margin-bottom: clamp(26px, 5vw, 52px);
}
.section-heading-row h2,
.section-heading-row p { margin: 0; }
.section-heading-row > p {
  color: var(--muted);
  line-height: 1.7;
}
.showcase-section {
  background:
    linear-gradient(180deg, rgba(223, 229, 240, 0.36), rgba(238, 241, 247, 0.10)),
    radial-gradient(circle at 84% 22%, rgba(220, 227, 255, 0.62), transparent 30%);
}
.showcase-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.showcase-panel {
  grid-column: span 2;
  min-height: 278px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: 0 18px 44px rgba(22, 32, 79, 0.07);
}
.showcase-panel-large {
  grid-column: span 4;
  min-height: 360px;
}
.showcase-panel-wide { grid-column: span 4; }
.panel-label {
  margin-bottom: 22px;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.showcase-panel h3 {
  margin: 0 0 12px;
  font-size: clamp(1.28rem, 2vw, 1.72rem);
}
.showcase-panel p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.65;
}
.mini-map {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(30px, 5vw, 58px);
}
.mini-map span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid rgba(51, 71, 168, 0.20);
  border-radius: 999px;
  background: rgba(220, 227, 255, 0.58);
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 0.78rem;
}
.responsibilities-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.48fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 96px);
  align-items: start;
}
.sticky-heading {
  position: sticky;
  top: calc(var(--header-height) + 28px);
}
.sticky-heading p {
  color: var(--ink-soft);
  line-height: 1.7;
}
.responsibility-list {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: responsibilities;
}
.responsibility-list li {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 22px;
  padding: 26px 0;
  border-top: 1px solid var(--line);
}
.responsibility-list li:last-child { border-bottom: 1px solid var(--line); }
.step-number {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-family: var(--mono);
  font-weight: 700;
}
.responsibility-list h3 {
  margin: 0 0 8px;
  font-size: clamp(1.15rem, 1.6vw, 1.42rem);
}
.responsibility-list p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.68;
}
.skills-section {
  background: rgba(248, 250, 255, 0.46);
  border-block: 1px solid var(--line);
}
.skills-layout {
  display: grid;
  grid-template-columns: minmax(240px, 0.52fr) minmax(0, 1fr);
  gap: clamp(32px, 7vw, 88px);
  align-items: start;
}
.skill-clusters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.skill-cluster {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.60);
}
.skill-cluster h3 {
  margin: 0 0 16px;
  font-size: 1.06rem;
}
.skill-cluster ul {
  display: grid;
  gap: 11px;
  padding: 0;
  margin: 0;
  list-style: none;
}
.skill-cluster li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
  line-height: 1.45;
}
.skill-cluster li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.crypto-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.86fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 90px);
  align-items: center;
}
.crypto-grid p {
  color: var(--ink-soft);
  line-height: 1.72;
}
.crypto-diagram {
  position: relative;
  min-height: 430px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.72), rgba(220, 227, 255, 0.28)),
    radial-gradient(circle at 18% 18%, rgba(125, 141, 242, 0.22), transparent 32%);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}
.crypto-diagram::before {
  content: "";
  position: absolute;
  inset: 22px;
  border: 1px dashed rgba(51, 71, 168, 0.20);
  border-radius: calc(var(--radius-xl) - 12px);
}
.crypto-node {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  min-width: 124px;
  min-height: 58px;
  padding: 12px 16px;
  border: 1px solid rgba(51, 71, 168, 0.25);
  border-radius: 999px;
  background: rgba(248, 250, 255, 0.86);
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 0.86rem;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 14px 36px rgba(22, 32, 79, 0.10);
}
.node-message { top: 54px; left: 46px; }
.node-hash { top: 126px; right: 50px; }
.node-key { bottom: 72px; left: 58px; }
.node-proof { right: 42px; bottom: 48px; }
.crypto-line {
  position: absolute;
  z-index: 1;
  height: 2px;
  background: linear-gradient(90deg, rgba(51, 71, 168, 0.10), rgba(51, 71, 168, 0.60), rgba(51, 71, 168, 0.10));
  transform-origin: left center;
}
.line-one {
  width: 220px;
  top: 118px;
  left: 145px;
  transform: rotate(18deg);
}
.line-two {
  width: 214px;
  top: 210px;
  right: 108px;
  transform: rotate(143deg);
}
.line-three {
  width: 208px;
  bottom: 98px;
  left: 160px;
  transform: rotate(8deg);
}
.gallery-section {
  background:
    radial-gradient(circle at 8% 12%, rgba(220, 227, 255, 0.72), transparent 30%),
    linear-gradient(180deg, rgba(238, 241, 247, 0.22), rgba(223, 229, 240, 0.36));
}
.gallery-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}
.gallery-tab {
  appearance: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 11px 15px;
  background: rgba(255, 255, 255, 0.58);
  color: var(--ink-soft);
  font: 700 0.84rem var(--mono);
  cursor: pointer;
  transition: transform 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}
.gallery-tab:hover,
.gallery-tab:focus-visible {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  color: var(--accent-dark);
}
.gallery-tab.is-active {
  background: var(--accent-dark);
  color: #f8faff;
  border-color: var(--accent-dark);
}
.gallery-stage {
  display: grid;
  gap: 4px;
  max-width: 620px;
  margin-bottom: 22px;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  background: rgba(255, 255, 255, 0.52);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.gallery-stage-kicker {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.gallery-stage h3,
.gallery-stage p { margin: 0; }
.gallery-stage h3 { font-size: 1.12rem; }
.gallery-stage p {
  color: var(--ink-soft);
  line-height: 1.55;
}
.research-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(260px, 1fr));
  gap: 18px;
  overflow-x: auto;
  padding: 4px 2px 16px;
  scroll-snap-type: x proximity;
}
.gallery-board {
  min-width: 260px;
  margin: 0;
  scroll-snap-align: start;
}
.board-canvas {
  min-height: 320px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.64);
  box-shadow: 0 18px 46px rgba(22, 32, 79, 0.08);
  transition: transform 260ms var(--ease), border-color 260ms var(--ease), box-shadow 260ms var(--ease);
}
.gallery-board.is-active .board-canvas {
  transform: translateY(-6px);
  border-color: rgba(51, 71, 168, 0.38);
  box-shadow: 0 26px 60px rgba(22, 32, 79, 0.14);
}
.gallery-board figcaption {
  margin-top: 12px;
  color: var(--ink-soft);
  line-height: 1.55;
  font-size: 0.94rem;
}
.board-threat {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  align-content: center;
}
.board-threat span {
  display: grid;
  place-items: center;
  min-height: 72px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: rgba(220, 227, 255, 0.64);
  color: var(--accent-dark);
  font-family: var(--mono);
  font-weight: 700;
  text-align: center;
}
.board-threat span:nth-child(3) {
  grid-column: span 2;
  background: rgba(51, 71, 168, 0.12);
}
.board-flow {
  display: grid;
  place-items: center;
}
.board-flow svg {
  width: 100%;
  height: auto;
}
.board-flow circle {
  fill: rgba(220, 227, 255, 0.74);
  stroke: rgba(23, 32, 79, 0.50);
  stroke-width: 3;
}
.board-flow path {
  fill: none;
  stroke: rgba(51, 71, 168, 0.70);
  stroke-width: 4;
  stroke-linecap: round;
}
.board-flow text {
  fill: var(--accent-dark);
  font-family: var(--mono);
  font-size: 17px;
  font-weight: 700;
}
.board-log {
  display: grid;
  gap: 12px;
}
.board-log div {
  padding: 16px;
  border: 1px solid rgba(51, 71, 168, 0.14);
  border-radius: var(--radius-md);
  background: rgba(248, 250, 255, 0.68);
}
.board-log strong,
.board-log span { display: block; }
.board-log strong {
  margin-bottom: 6px;
  color: var(--ink);
}
.board-log span {
  color: var(--ink-soft);
  line-height: 1.45;
}
.board-poster {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 16px;
}
.poster-title {
  padding: 18px;
  border-radius: var(--radius-md);
  background: var(--accent-dark);
  color: #f8faff;
  font-size: 1.4rem;
  font-weight: 800;
}
.poster-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.poster-grid span {
  display: grid;
  place-items: center;
  min-height: 70px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: rgba(220, 227, 255, 0.58);
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-align: center;
}
.closing-section { padding-bottom: clamp(86px, 12vw, 140px); }
.closing-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 28px;
  align-items: end;
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.72), rgba(220, 227, 255, 0.48)),
    radial-gradient(circle at 82% 20%, rgba(125, 141, 242, 0.20), transparent 34%);
  box-shadow: var(--shadow-soft);
}
.closing-panel p {
  max-width: 760px;
  color: var(--ink-soft);
  line-height: 1.72;
}
.closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}
.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 22px;
  align-items: center;
}
.footer-grid nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}
.footer-grid a {
  color: var(--ink-soft);
  text-decoration: none;
}
.footer-grid a:hover { color: var(--accent); }
.nav-toggle-line {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
}
.ta-hero {
  position: relative;
  min-height: 100dvh;
  padding: calc(var(--header-height) + 46px) 24px 74px;
  overflow: hidden;
}
.ta-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 22%, rgba(51, 71, 168, 0.16), transparent 34%),
    radial-gradient(circle at 18% 78%, rgba(186, 170, 204, 0.28), transparent 32%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.36), rgba(220, 227, 255, 0.34));
  pointer-events: none;
}
.ta-hero-inner,
.ta-overview,
.ta-work-nav-inner,
.ta-split,
.ta-approach,
.ta-gallery-section,
.ta-skills,
.ta-reflection,
.ta-next-grid,
.ta-footer-inner {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}
.ta-hero-inner {
  position: relative;
  z-index: 1;
}
.ta-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: 48px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
}
.ta-breadcrumb a {
  color: var(--ink-soft);
  text-decoration: none;
}
.ta-breadcrumb a:hover { color: var(--accent); }
.ta-breadcrumb a:focus-visible,
.ta-work-link:focus-visible,
.ta-next-card:focus-visible {
  outline: 3px solid rgba(51, 71, 168, 0.32);
  outline-offset: 5px;
  border-radius: var(--radius-sm);
}
.ta-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.78fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: center;
}
.ta-hero-copy {
  max-width: 760px;
}
.ta-hero-copy h1 {
  margin: 12px 0 22px;
  max-width: 820px;
  letter-spacing: -0.058em;
}
.ta-hero-copy .hero-lede { max-width: 650px; }
.ta-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
  margin-top: 34px;
}
.ta-project-panel {
  position: relative;
  padding: 22px;
  border: 1px solid rgba(28, 42, 77, 0.16);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.76), rgba(248, 250, 255, 0.58)),
    rgba(255, 255, 255, 0.64);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}
.ta-project-panel::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: calc(var(--radius-xl) - 10px);
  pointer-events: none;
}
.ta-panel-topline {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 16px;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.ta-equation-card {
  position: relative;
  z-index: 1;
  min-height: 250px;
  padding: 28px;
  border-radius: 26px;
  background:
    linear-gradient(155deg, rgba(23, 32, 79, 0.98), rgba(51, 71, 168, 0.92)),
    var(--accent-dark);
  color: #f8faff;
  overflow: hidden;
}
.ta-equation-card::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -96px;
  top: -80px;
  border-radius: 999px;
  background: rgba(220, 227, 255, 0.16);
}
.ta-equation-card::after {
  content: "";
  position: absolute;
  inset: 18px;
  border-radius: 20px;
  border: 1px solid rgba(248, 250, 255, 0.15);
  pointer-events: none;
}
.ta-eq-line {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 0.42fr 0.92fr 0.28fr 1.2fr;
  gap: 10px;
  align-items: center;
  font-family: var(--mono);
  font-size: clamp(0.92rem, 1.5vw, 1.1rem);
  color: #ffffff;
}
.ta-eq-muted {
  margin-top: 8px;
  color: rgba(248, 250, 255, 0.58);
}
.ta-curve {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 30px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: end;
  gap: 10px;
  height: 92px;
}
.ta-curve span {
  display: block;
  border-radius: 999px 999px 8px 8px;
  background: linear-gradient(180deg, rgba(220, 227, 255, 0.92), rgba(125, 141, 242, 0.42));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.38);
}
.ta-curve span:nth-child(1) { height: 28%; }
.ta-curve span:nth-child(2) { height: 48%; }
.ta-curve span:nth-child(3) { height: 82%; }
.ta-curve span:nth-child(4) { height: 100%; }
.ta-curve span:nth-child(5) { height: 64%; }
.ta-curve span:nth-child(6) { height: 34%; }
.ta-meta {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  border: 1px solid rgba(28, 42, 77, 0.12);
  border-radius: 22px;
  overflow: hidden;
  background: rgba(248, 250, 255, 0.48);
}
.ta-meta div {
  display: grid;
  grid-template-columns: 0.74fr 1.36fr;
  gap: 16px;
  padding: 15px 16px;
  border-bottom: 1px solid rgba(28, 42, 77, 0.1);
}
.ta-meta div:last-child { border-bottom: 0; }
.ta-meta dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.ta-meta dd {
  margin: 0;
  color: var(--ink);
  font-weight: 650;
  line-height: 1.35;
}
.ta-work-nav {
  padding: 18px 24px;
  background: rgba(248, 250, 255, 0.34);
  border-top: 1px solid rgba(28, 42, 77, 0.1);
  border-bottom: 1px solid rgba(28, 42, 77, 0.1);
}
.ta-work-nav-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.ta-work-link {
  display: grid;
  gap: 5px;
  min-height: 92px;
  padding: 18px;
  border: 1px solid rgba(28, 42, 77, 0.12);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.42);
  text-decoration: none;
  color: var(--ink);
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}
.ta-work-link:hover {
  transform: translateY(-3px);
  border-color: rgba(51, 71, 168, 0.24);
  background: rgba(255, 255, 255, 0.66);
}
.ta-work-link span,
.ta-next-card span {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}
.ta-work-link strong,
.ta-next-card strong {
  font-size: 1.04rem;
  color: var(--ink);
}
.ta-work-link-current {
  background: rgba(220, 227, 255, 0.5);
  border-color: rgba(51, 71, 168, 0.28);
}
.ta-overview,
.ta-responsibilities,
.ta-approach,
.ta-gallery-section,
.ta-skills,
.ta-reflection,
.ta-next {
  padding: clamp(74px, 10vw, 124px) 24px;
}
.ta-section-heading {
  display: grid;
  grid-template-columns: 0.35fr minmax(0, 0.9fr);
  gap: clamp(24px, 5vw, 72px);
  align-items: start;
  margin-bottom: 42px;
}
.ta-section-heading h2,
.ta-sticky-label h2,
.ta-reflection-card h2,
.ta-next-grid h2 {
  margin: 0;
  letter-spacing: -0.045em;
}
.ta-section-heading-narrow { grid-template-columns: 0.28fr minmax(0, 0.72fr); }
.ta-overview-grid {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 18px;
}
.ta-overview-note,
.ta-method,
.ta-gallery-item,
.ta-skill {
  border: 1px solid rgba(28, 42, 77, 0.13);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.48);
  box-shadow: 0 18px 50px rgba(22, 32, 79, 0.07);
}
.ta-overview-note { padding: clamp(22px, 3vw, 34px); }
.ta-overview-wide {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 0.32fr 1fr;
  gap: 28px;
  align-items: start;
  background: linear-gradient(135deg, rgba(220, 227, 255, 0.46), rgba(255, 255, 255, 0.48));
}
.ta-overview-note h3,
.ta-duty h3,
.ta-method h3,
.ta-gallery-copy h3,
.ta-skill h3 {
  margin: 0 0 10px;
  color: var(--ink);
}
.ta-overview-note p,
.ta-duty p,
.ta-method p,
.ta-gallery-copy p,
.ta-skill p,
.ta-reflection-card p,
.ta-next-card em {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.72;
}
.ta-split {
  display: grid;
  grid-template-columns: minmax(260px, 0.42fr) minmax(0, 0.9fr);
  gap: clamp(34px, 7vw, 92px);
  align-items: start;
}
.ta-split-reverse { grid-template-columns: minmax(260px, 0.38fr) minmax(0, 1fr); }
.ta-sticky-label {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}
.ta-sticky-label p:not(.section-kicker) {
  color: var(--ink-soft);
  line-height: 1.68;
  margin-top: 18px;
}
.ta-duty-list {
  display: grid;
  gap: 18px;
}
.ta-duty {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 22px;
  padding: 0 0 30px;
  border-bottom: 1px solid rgba(28, 42, 77, 0.13);
}
.ta-duty:last-child { border-bottom: 0; }
.ta-duty-number {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 760;
}
.ta-approach-board {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
  align-items: stretch;
}
.ta-method { padding: clamp(22px, 3vw, 32px); }
.ta-method-large {
  grid-row: span 2;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.36), rgba(220, 227, 255, 0.58)),
    rgba(255, 255, 255, 0.44);
}
.ta-method-accent {
  background: linear-gradient(145deg, rgba(23, 32, 79, 0.96), rgba(51, 71, 168, 0.9));
}
.ta-method-accent h3,
.ta-method-accent p,
.ta-method-accent .ta-method-label { color: #f8faff; }
.ta-method-accent p { color: rgba(248, 250, 255, 0.78); }
.ta-method-label {
  margin-bottom: 28px;
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.ta-gallery {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  grid-auto-flow: dense;
  gap: 18px;
}
.ta-gallery-item {
  display: grid;
  min-height: 430px;
  overflow: hidden;
}
.ta-gallery-item-wide {
  grid-column: span 1;
  grid-row: span 2;
}
.ta-gallery-item-tall { min-height: 500px; }
.ta-artifact {
  min-height: 250px;
  margin: 14px 14px 0;
  border-radius: 20px;
  background: rgba(220, 227, 255, 0.46);
  overflow: hidden;
}
.ta-artifact-board {
  display: grid;
  align-content: start;
  gap: 14px;
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(23, 32, 79, 0.94), rgba(51, 71, 168, 0.84)),
    var(--accent-dark);
}
.ta-board-row {
  display: grid;
  grid-template-columns: 82px 1fr;
  gap: 16px;
  align-items: center;
  padding: 15px 16px;
  border: 1px solid rgba(248, 250, 255, 0.12);
  border-radius: 15px;
  color: rgba(248, 250, 255, 0.72);
  font-family: var(--mono);
}
.ta-board-row strong { color: #fff; }
.ta-board-plot {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  align-items: end;
  gap: 8px;
  height: 170px;
  margin-top: 18px;
}
.ta-board-plot i {
  display: block;
  border-radius: 999px 999px 10px 10px;
  background: rgba(220, 227, 255, 0.72);
}
.ta-board-plot i:nth-child(1) { height: 22%; }
.ta-board-plot i:nth-child(2) { height: 38%; }
.ta-board-plot i:nth-child(3) { height: 66%; }
.ta-board-plot i:nth-child(4) { height: 94%; }
.ta-board-plot i:nth-child(5) { height: 72%; }
.ta-board-plot i:nth-child(6) { height: 42%; }
.ta-board-plot i:nth-child(7) { height: 24%; }
.ta-artifact-rubric {
  display: grid;
  gap: 12px;
  align-content: center;
  padding: 24px;
}
.ta-artifact-rubric span {
  display: block;
  height: 36px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(51, 71, 168, 0.82), rgba(51, 71, 168, 0.14));
}
.ta-artifact-rubric span:nth-child(2) { width: 82%; }
.ta-artifact-rubric span:nth-child(3) { width: 64%; }
.ta-artifact-rubric span:nth-child(4) { width: 74%; }
.ta-artifact-hours {
  display: grid;
  grid-template-columns: 0.55fr 1fr;
  gap: 1px;
  padding: 1px;
  background: rgba(28, 42, 77, 0.14);
}
.ta-artifact-hours div {
  display: grid;
  place-items: center;
  min-height: 72px;
  background: rgba(248, 250, 255, 0.82);
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: 0.8rem;
}
.ta-artifact-hours div:nth-child(2n) {
  justify-content: start;
  padding-left: 18px;
  font-family: var(--sans);
  font-weight: 750;
  color: var(--ink);
}
.ta-artifact-map {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: 26px;
}
.ta-artifact-map span {
  position: relative;
  display: block;
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(28, 42, 77, 0.12);
  color: var(--ink);
  font-weight: 720;
}
.ta-artifact-map span:nth-child(even) {
  margin-left: 30px;
  background: rgba(220, 227, 255, 0.58);
}
.ta-gallery-copy { padding: 24px 26px 28px; }
.ta-skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.ta-skill { padding: 26px; }
.ta-skill-wide {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, rgba(220, 227, 255, 0.5), rgba(255, 255, 255, 0.48));
}
.ta-reflection { padding-top: 36px; }
.ta-reflection-card {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: clamp(28px, 5vw, 70px);
  padding: clamp(28px, 5vw, 56px);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(23, 32, 79, 0.96), rgba(51, 71, 168, 0.88)),
    var(--accent-dark);
  color: #fff;
  box-shadow: var(--shadow-soft);
}
.ta-reflection-card h2 { color: #fff; }
.ta-reflection-card .section-kicker,
.ta-reflection-card p { color: rgba(248, 250, 255, 0.78); }
.ta-next { padding-top: 40px; }
.ta-next-grid {
  display: grid;
  grid-template-columns: 0.62fr 1fr;
  gap: clamp(28px, 6vw, 78px);
  align-items: start;
}
.ta-next-links {
  display: grid;
  gap: 16px;
}
.ta-next-card {
  display: grid;
  gap: 7px;
  padding: 24px;
  border: 1px solid rgba(28, 42, 77, 0.13);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--ink);
  text-decoration: none;
  transition: transform 220ms var(--ease), background 220ms var(--ease), border-color 220ms var(--ease);
}
.ta-next-card:hover {
  transform: translateX(5px);
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(51, 71, 168, 0.24);
}
.ta-next-card em { font-style: normal; }
.ta-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.ta-footer-inner p {
  margin: 0;
  color: var(--muted);
  text-align: right;
}
.nav-links a.is-active { color: var(--accent); }
.math-project-hero {
  min-height: calc(100dvh - var(--header-height));
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(34px, 6vw, 78px) 22px clamp(54px, 8vw, 94px);
}
.project-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  margin-bottom: clamp(28px, 5vw, 58px);
  color: var(--muted);
  font-size: 0.9rem;
}
.project-crumb a {
  color: var(--ink-soft);
  text-decoration: none;
}
.project-crumb a:hover { color: var(--accent); }
.math-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.78fr);
  gap: clamp(28px, 5vw, 72px);
  align-items: center;
}
.math-hero-copy h1 {
  max-width: 780px;
  margin-bottom: 22px;
  letter-spacing: -0.065em;
}
.math-hero-copy .hero-lede { max-width: 660px; }
.math-hero-panel {
  position: relative;
  display: grid;
  gap: 18px;
}
.math-hero-panel::before {
  content: "";
  position: absolute;
  inset: -24px 22px 28px -18px;
  border-radius: 42px;
  background:
    radial-gradient(circle at 18% 12%, rgba(125, 141, 242, 0.22), transparent 34%),
    linear-gradient(145deg, rgba(220, 227, 255, 0.7), rgba(255, 255, 255, 0.18));
  z-index: -1;
}
.mathnasium-board {
  overflow: hidden;
  border: 1px solid rgba(28, 42, 77, 0.18);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(23, 32, 79, 0.96), rgba(51, 71, 168, 0.88)),
    var(--accent-dark);
  color: #f8faff;
  box-shadow: var(--shadow-soft);
}
.board-toolbar {
  display: flex;
  gap: 8px;
  padding: 18px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.board-toolbar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(220, 227, 255, 0.74);
}
.board-expression {
  display: grid;
  gap: 12px;
  padding: clamp(28px, 5vw, 48px) 24px;
  font-family: var(--mono);
  font-size: clamp(1.5rem, 4vw, 2.8rem);
  letter-spacing: -0.04em;
}
.board-expression strong {
  width: max-content;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(220, 227, 255, 0.16);
  color: #ffffff;
  font-size: 0.72em;
  font-weight: 700;
}
.board-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.board-grid div {
  min-height: 94px;
  padding: 18px 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.13);
}
.board-grid div:last-child { border-right: 0; }
.board-grid small,
.project-facts dt,
.mini-lesson-card small {
  display: block;
  margin-bottom: 7px;
  color: rgba(220, 227, 255, 0.76);
  font-size: 0.72rem;
  font-family: var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.board-grid b {
  display: block;
  font-size: 0.9rem;
  line-height: 1.25;
}
.project-facts {
  display: grid;
  gap: 0;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--math-card);
  backdrop-filter: blur(18px);
}
.project-facts div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}
.project-facts div:last-child { border-bottom: 0; }
.project-facts dt {
  margin: 0;
  color: var(--muted);
}
.project-facts dd {
  margin: 0;
  color: var(--ink);
  line-height: 1.45;
}
.project-overview-section,
.instruction-section,
.communication-section,
.mentoring-section,
.gallery-section,
.project-showcase-section,
.closing-cta-section {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: clamp(48px, 8vw, 104px) 22px;
}
.project-overview-grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.86fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: start;
  padding-top: clamp(22px, 4vw, 44px);
  border-top: 1px solid var(--line-strong);
}
.project-overview-grid h2,
.section-heading-row h2,
.communication-card h2,
.mentoring-sticky h2,
.closing-cta h2 {
  margin: 0;
  letter-spacing: -0.045em;
}
.overview-text {
  display: grid;
  gap: 18px;
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.8vw, 1.14rem);
  line-height: 1.75;
}
.overview-text p,
.section-heading-row p,
.communication-copy p,
.mentoring-sticky p,
.closing-cta p,
.instruction-feature p,
.gallery-tile p,
.work-nav-card p,
.mentoring-timeline p { margin: 0; }
.instruction-layout {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 18px;
}
.instruction-feature {
  grid-column: span 3;
  min-height: 254px;
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(248, 250, 255, 0.58)),
    var(--surface);
  box-shadow: 0 18px 50px rgba(22, 32, 79, 0.07);
}
.instruction-feature.is-tall { grid-row: span 2; }
.feature-number {
  display: inline-flex;
  margin-bottom: 34px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}
.instruction-feature h3,
.gallery-tile h3,
.work-nav-card strong,
.mentoring-timeline h3 {
  margin: 0 0 12px;
  color: var(--ink);
  letter-spacing: -0.025em;
}
.instruction-feature p,
.gallery-tile p,
.work-nav-card p,
.mentoring-timeline p {
  color: var(--ink-soft);
  line-height: 1.65;
}
.mini-lesson-card {
  display: grid;
  gap: 10px;
  margin-top: 30px;
  padding: 18px;
  border: 1px solid rgba(51, 71, 168, 0.16);
  border-radius: var(--radius-md);
  background: rgba(220, 227, 255, 0.46);
}
.mini-lesson-card small { color: var(--muted); }
.mini-lesson-card strong {
  display: block;
  color: var(--accent-dark);
}
.communication-card {
  display: grid;
  grid-template-columns: minmax(300px, 0.82fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 76px);
  padding: clamp(26px, 5vw, 54px);
  border: 1px solid rgba(28, 42, 77, 0.16);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 7% 18%, rgba(186, 170, 204, 0.26), transparent 34%),
    linear-gradient(135deg, rgba(248, 250, 255, 0.92), rgba(220, 227, 255, 0.54));
  box-shadow: var(--shadow-soft);
}
.communication-copy { align-self: center; }
.communication-copy p {
  margin-top: 18px;
  color: var(--ink-soft);
  line-height: 1.75;
}
.communication-list {
  display: grid;
  gap: 12px;
}
.communication-list div {
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(28, 42, 77, 0.14);
}
.communication-list div:last-child { border-bottom: 0; }
.communication-list span {
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.communication-list p {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.6;
}
.mentoring-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(320px, 1fr);
  gap: clamp(28px, 6vw, 84px);
  align-items: start;
}
.mentoring-sticky {
  position: sticky;
  top: calc(var(--header-height) + 24px);
}
.mentoring-sticky p {
  margin-top: 18px;
  color: var(--ink-soft);
  line-height: 1.75;
}
.mentoring-timeline {
  display: grid;
  gap: 16px;
  counter-reset: mentoring;
}
.mentoring-timeline article {
  position: relative;
  padding: 24px 24px 24px 68px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.58);
}
.mentoring-timeline article::before {
  counter-increment: mentoring;
  content: counter(mentoring);
  position: absolute;
  top: 24px;
  left: 22px;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
}
.mentoring-timeline span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.project-gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(220px, auto);
  gap: 18px;
}
.gallery-tile {
  display: grid;
  align-content: space-between;
  gap: 22px;
  grid-column: span 2;
  min-height: 280px;
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--math-card);
  overflow: hidden;
}
.gallery-tile-large {
  grid-column: span 3;
  grid-row: span 2;
  min-height: 520px;
}
.gallery-tile-wide {
  grid-column: span 4;
  grid-template-columns: 1fr 1fr;
  align-items: end;
}
.gallery-visual {
  display: grid;
  place-items: center;
  min-height: 150px;
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(220, 227, 255, 0.92), rgba(255, 255, 255, 0.56));
  color: var(--accent-dark);
}
.equation-visual {
  min-height: 330px;
  align-content: center;
  gap: 18px;
  font-family: var(--mono);
  font-size: clamp(1.2rem, 3vw, 2rem);
}
.eq-line {
  width: min(310px, 100%);
  padding: 14px 18px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: inset 0 0 0 1px rgba(51, 71, 168, 0.1);
}
.graph-visual svg {
  width: 100%;
  max-width: 230px;
  color: var(--accent);
}
.fraction-visual { gap: 18px; }
.fraction-bar {
  display: grid;
  grid-template-columns: repeat(4, 42px);
  height: 62px;
  overflow: hidden;
  border: 2px solid var(--accent);
  border-radius: 16px;
}
.fraction-bar span {
  border-right: 2px solid var(--accent);
  background: rgba(51, 71, 168, 0.18);
}
.fraction-bar span:nth-child(-n + 3) { background: rgba(51, 71, 168, 0.72); }
.fraction-bar span:last-child { border-right: 0; }
.fraction-visual strong {
  font-family: var(--mono);
  font-size: 1.8rem;
}
.prompt-visual {
  align-items: stretch;
  justify-items: stretch;
  gap: 10px;
  background: transparent;
}
.prompt-visual p {
  padding: 14px 16px;
  border: 1px solid rgba(51, 71, 168, 0.14);
  border-radius: 14px;
  background: rgba(220, 227, 255, 0.48);
  color: var(--accent-dark);
  font-family: var(--mono);
  font-size: 0.88rem;
}
.selected-work-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.work-nav-card {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.56);
  color: inherit;
  text-decoration: none;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease), box-shadow 220ms var(--ease);
}
.work-nav-card span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.work-nav-card strong {
  display: block;
  margin-top: auto;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
}
.work-nav-card:hover {
  transform: translateY(-4px);
  border-color: rgba(51, 71, 168, 0.3);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: 0 20px 42px rgba(22, 32, 79, 0.1);
}
.work-nav-card:focus-visible {
  outline: 3px solid var(--math-focus);
  outline-offset: 4px;
}
.work-nav-card.is-current {
  background: linear-gradient(145deg, rgba(51, 71, 168, 0.96), rgba(23, 32, 79, 0.94));
  color: #fff;
}
.work-nav-card.is-current span,
.work-nav-card.is-current p,
.work-nav-card.is-current strong { color: #fff; }
.closing-cta {
  max-width: 860px;
  padding: clamp(28px, 6vw, 58px);
  border: 1px solid rgba(28, 42, 77, 0.16);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 86% 16%, rgba(125, 141, 242, 0.22), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.86), rgba(220, 227, 255, 0.5));
  box-shadow: var(--shadow-soft);
}
.closing-cta p {
  max-width: 680px;
  margin-top: 18px;
  color: var(--ink-soft);
  line-height: 1.75;
}
.closing-cta .hero-actions { margin-top: 28px; }
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 30px 22px;
  display: flex;
  gap: 22px;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
}
.footer-inner p {
  margin: 0;
  color: var(--muted);
}
.footer-inner a:not(.brand-mark) {
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
}
.reveal-item {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 560ms var(--ease), transform 560ms var(--ease);
}
.reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.home-nav-links,
.work-page-nav { gap: 8px; }
h1,
.section-heading h2,
.contact-copy h2,
.profile-card h2,
.interest-tile h3,
.work-item h3,
.background-grid .profile-card h3,
.terminal-screen h2,
.project-hero-copy h1,
.ta-hero-copy h1,
.math-hero-copy h1,
.project-overview-grid h2,
.section-heading-row h2,
.communication-card h2,
.mentoring-sticky h2,
.closing-cta h2,
.ta-section-heading h2,
.ta-sticky-label h2,
.ta-reflection-card h2,
.ta-next-grid h2,
.context-grid h2,
.sticky-heading h2,
.skills-layout h2,
.crypto-grid h2,
.closing-panel h2 {
  font-family: var(--sans);
  font-weight: 770;
  font-stretch: normal;
  letter-spacing: -0.035em;
}
.crypto-loading {
  background:
    radial-gradient(circle at 20% 18%, rgba(112, 255, 178, 0.14), transparent 20rem),
    radial-gradient(circle at 78% 80%, rgba(125, 141, 242, 0.13), transparent 24rem),
    linear-gradient(180deg, #010302 0%, #030807 48%, #010302 100%);
}
.crypto-rain {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  font-family: var(--mono);
  color: rgba(112, 255, 178, 0.24);
  font-size: clamp(0.78rem, 1.5vw, 1rem);
}
.crypto-rain span {
  position: absolute;
  top: -12%;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  animation: crypto-rain-fall 1.75s linear infinite;
  text-shadow: 0 0 14px rgba(112, 255, 178, 0.35);
}
.crypto-rain span:nth-child(1) { left: 7%; animation-delay: 0ms; }
.crypto-rain span:nth-child(2) { left: 18%; animation-delay: 480ms; }
.crypto-rain span:nth-child(3) { left: 31%; animation-delay: 960ms; }
.crypto-rain span:nth-child(4) { left: 47%; animation-delay: 180ms; }
.crypto-rain span:nth-child(5) { left: 59%; animation-delay: 720ms; }
.crypto-rain span:nth-child(6) { left: 72%; animation-delay: 1180ms; }
.crypto-rain span:nth-child(7) { left: 84%; animation-delay: 360ms; }
.crypto-rain span:nth-child(8) { left: 94%; animation-delay: 1440ms; }
.loader-screen-only {
  grid-template-columns: minmax(0, 0.9fr) minmax(300px, 0.78fr);
  align-items: center;
}
.loader-screen-only .loader-subtitle { grid-column: 1; }
.loader-screen-only .code-feed {
  grid-row: 1 / span 4;
  grid-column: 2;
}
.loader-progress {
  grid-column: 1;
  width: min(100%, 520px);
  height: 12px;
  margin-top: 18px;
  padding: 2px;
  border: 1px solid rgba(112, 255, 178, 0.28);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.34);
  overflow: hidden;
}
.loader-progress span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #70ffb2, #d9ffe8, #98a8ff);
  box-shadow: 0 0 22px rgba(112, 255, 178, 0.42);
  transform-origin: left center;
  animation: loader-progress-fill 1.18s var(--ease) both;
}
@keyframes crypto-rain-fall {
  from { transform: translateY(-10vh); opacity: 0; }
  12% { opacity: 1; }
  82% { opacity: 0.9; }
  to { transform: translateY(122vh); opacity: 0; }
}
@keyframes loader-progress-fill {
  from { transform: scaleX(0.02); }
  58% { transform: scaleX(0.68); }
  to { transform: scaleX(1); }
}
.brand-wordmark {
  min-width: 0;
  padding: 0;
  background: transparent;
}
.brand-wordmark .brand-text {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: clamp(1.05rem, 1.8vw, 1.38rem);
  font-weight: 850;
  letter-spacing: -0.025em;
  color: var(--ink);
}
.hero-copy {
  min-width: 0;
  max-width: 760px;
  padding-right: clamp(12px, 3vw, 34px);
  padding-top: clamp(4px, 1.2vw, 14px);
}
.hero-copy h1,
#hero-title {
  max-width: 920px;
  font-size: clamp(4.2rem, 8.6vw, 8.35rem);
  line-height: 0.92;
  letter-spacing: -0.028em;
  margin-bottom: 30px;
}
.entrance-loader:not([hidden]) { display: grid; }
.cursor-shadow { display: none !important; }
.cursor-shadow.is-active { opacity: 1; }
.portrait-oval {
  position: absolute;
  right: clamp(92px, 10vw, 172px);
  top: 0;
  width: min(67%, 360px);
  margin: 0;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  overflow: hidden;
  background: rgba(238, 241, 247, 0.28);
  box-shadow:
    0 24px 58px rgba(7, 18, 48, 0.20),
    0 8px 18px rgba(7, 18, 48, 0.10),
    inset 0 0 0 1px rgba(255, 255, 255, 0.24);
  isolation: isolate;
  mix-blend-mode: normal;
  opacity: 1;
}
.portrait-oval::before,
.portrait-oval::after { display: none; }
.portrait-oval .portrait-image {
  width: 100%;
  height: 100%;
  aspect-ratio: auto;
  object-fit: cover;
  object-position: 50% 16%;
  border-radius: 50%;
  background: transparent;
  transform: scale(1.06);
  -webkit-mask-image: none;
  mask-image: none;
  opacity: 1;
  filter: none;
}
.hero-visual .cipher-card:not(.hero-cipher) { display: none; }
.hero-cipher {
  position: relative;
  left: auto;
  bottom: auto;
  margin-top: clamp(34px, 4.8vw, 58px);
  box-shadow:
    0 38px 92px rgba(7, 19, 47, 0.48),
    0 12px 32px rgba(7, 19, 47, 0.30),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.hero-subtitle {
  max-width: 720px;
  margin: -18px 0 28px;
  color: var(--ink);
  font-size: clamp(1.45rem, 2.9vw, 2.65rem);
  line-height: 1.05;
  font-weight: 850;
  letter-spacing: -0.025em;
}
@media (min-width: 921px) {
  .hero-cipher {
    margin-left: clamp(244px, 23vw, 292px);
    margin-top: clamp(34px, 4.8vw, 58px);
    width: min(430px, calc(100vw - clamp(244px, 23vw, 292px) - 56px));
  }
}
@media (max-width: 1100px) {
  .nav-links a {
    font-size: 0.94rem;
    padding-inline: 12px;
  }
}
@media (max-width: 980px) {
  .project-hero-grid,
  .context-grid,
  .responsibilities-grid,
  .skills-layout,
  .crypto-grid,
  .closing-panel {
    grid-template-columns: 1fr;
  }
  .project-dossier { max-width: 560px; }
  .project-nav-grid,
  .skill-clusters { grid-template-columns: 1fr; }
  .showcase-grid { grid-template-columns: 1fr 1fr; }
  .showcase-panel,
  .showcase-panel-large,
  .showcase-panel-wide { grid-column: span 1; }
  .sticky-heading { position: static; }
  .closing-actions { justify-content: flex-start; }
}
@media (max-width: 920px) {
  :root { --header-height: 64px; }
  .nav-shell,
  .hero-grid,
  .research-section,
  .work-section,
  .background-section,
  .contact-section,
  .site-footer { width: min(100% - 28px, var(--max-width)); }
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    right: 14px;
    width: min(320px, calc(100vw - 28px));
    display: grid;
    gap: 4px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 22px;
    background: rgba(248,250,255,0.97);
    box-shadow: var(--shadow-soft);
    opacity: 0;
    transform: translateY(-8px) scale(0.98);
    pointer-events: none;
    transition: opacity 190ms var(--ease), transform 190ms var(--ease);
    flex-wrap: nowrap;
    justify-content: initial;
  }
  .nav-links.is-open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
  .nav-links a {
    border-radius: 14px;
    justify-content: flex-start;
    width: 100%;
    min-height: 46px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.48);
  }
  .hero-grid,
  .section-heading,
  .section-heading.compact,
  .profile-card,
  .contact-section { grid-template-columns: 1fr; }
  .section-heading.compact .section-kicker { grid-column: auto; margin-bottom: 0; }
  .hero-section {
    min-height: auto;
    padding-top: 34px;
  }
  h1 { font-size: clamp(3.2rem, 15vw, 6rem); }
  .hero-visual {
    min-height: 460px;
    max-width: 620px;
  }
  .interest-grid { grid-template-columns: 1fr 1fr; }
  .primary-tile { grid-row: auto; grid-column: span 2; min-height: 340px; }
  .work-list { grid-template-columns: 1fr; }
  .work-item { min-height: auto; }
  .work-item h3 { margin-top: 44px; }
  .contact-copy { position: static; }
  .background-grid { grid-template-columns: 1fr; }
  .background-grid .profile-card { min-height: auto; }
  .pqc-tile { min-height: 420px; }
  .math-project-hero { padding-top: 28px; }
  .math-hero-grid,
  .project-overview-grid,
  .communication-card,
  .mentoring-grid,
  .section-heading-row {
    grid-template-columns: 1fr;
  }
  .mentoring-sticky { position: static; }
  .instruction-layout,
  .project-gallery,
  .selected-work-nav {
    grid-template-columns: 1fr;
  }
  .instruction-feature,
  .instruction-feature.is-tall,
  .gallery-tile,
  .gallery-tile-large,
  .gallery-tile-wide {
    grid-column: auto;
    grid-row: auto;
  }
  .gallery-tile-wide { grid-template-columns: 1fr; }
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-copy {
    max-width: 100%;
    padding-right: 0;
  }
  .hero-copy h1,
  #hero-title {
    max-width: 100%;
    font-size: clamp(4rem, 15vw, 7.2rem);
  }
  .hero-subtitle { margin-top: -16px; }
  .portrait-oval {
    top: 0;
    right: clamp(44px, 10vw, 96px);
    width: min(62%, 340px);
  }
  .hero-cipher {
    margin-left: 0;
    margin-top: 40px;
    width: min(100%, 440px);
  }
}
@media (max-width: 900px) {
  .ta-hero {
    min-height: auto;
    padding-top: calc(var(--header-height) + 34px);
  }
  .ta-hero-grid,
  .ta-section-heading,
  .ta-section-heading-narrow,
  .ta-overview-grid,
  .ta-overview-wide,
  .ta-split,
  .ta-split-reverse,
  .ta-approach-board,
  .ta-gallery,
  .ta-skills-grid,
  .ta-reflection-card,
  .ta-next-grid {
    grid-template-columns: 1fr;
  }
  .ta-project-panel { max-width: 560px; }
  .ta-work-nav-inner { grid-template-columns: 1fr; }
  .ta-work-link { min-height: auto; }
  .ta-sticky-label { position: static; }
  .ta-method-large,
  .ta-gallery-item,
  .ta-gallery-item-tall { min-height: auto; }
  .ta-artifact { min-height: 220px; }
  .ta-skill-wide { grid-column: auto; }
  .ta-footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
  .ta-footer-inner p { text-align: left; }
}
@media (max-width: 760px) {
  .terminal-screen { grid-template-columns: 1fr; }
  .loader-kicker,
  .code-feed,
  .loader-skip {
    grid-column: auto;
  }
  .code-feed {
    grid-row: auto;
    min-height: 210px;
  }
  .loader-input-row { grid-template-columns: 1fr; }
  .loader-enter { width: 100%; }
  .project-shell { width: min(100% - 28px, var(--max-width)); }
  .project-hero { padding-top: 34px; }
  .nav-links { display: none; }
  .nav-links.is-open {
    position: absolute;
    top: calc(100% + 10px);
    left: 14px;
    right: 14px;
    display: grid;
    gap: 4px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(248, 250, 255, 0.96);
    box-shadow: var(--shadow-soft);
  }
  .nav-links.is-open a { padding: 12px; }
  .nav-toggle {
    display: inline-grid;
    gap: 5px;
    place-items: center;
  }
  .project-meta div {
    grid-template-columns: 1fr;
    gap: 5px;
  }
  .section-heading-row,
  .showcase-grid { grid-template-columns: 1fr; }
  .responsibility-list li {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .crypto-diagram { min-height: 360px; }
  .crypto-node {
    min-width: 104px;
    font-size: 0.76rem;
  }
  .node-message { left: 22px; }
  .node-hash { right: 20px; }
  .node-key { left: 24px; }
  .node-proof { right: 18px; }
  .line-one,
  .line-two,
  .line-three { width: 160px; }
  .research-gallery { grid-template-columns: repeat(4, minmax(240px, 82vw)); }
  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
  }
  .loader-screen-only,
  .loader-screen-only .loader-subtitle,
  .loader-screen-only .code-feed,
  .loader-progress {
    grid-column: auto;
    grid-row: auto;
  }
}
@media (max-width: 720px) {
  .ta-hero,
  .ta-overview,
  .ta-responsibilities,
  .ta-approach,
  .ta-gallery-section,
  .ta-skills,
  .ta-reflection,
  .ta-next,
  .ta-work-nav {
    padding-left: 18px;
    padding-right: 18px;
  }
  .nav-links { display: none; }
  .nav-links.is-open {
    position: absolute;
    left: 18px;
    right: 18px;
    top: calc(var(--header-height) - 2px);
    display: grid;
    gap: 4px;
    padding: 12px;
    border: 1px solid rgba(28, 42, 77, 0.16);
    border-radius: 20px;
    background: rgba(248, 250, 255, 0.96);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(18px);
  }
  .nav-links.is-open a {
    padding: 13px 14px;
    border-radius: 14px;
  }
  .nav-toggle {
    display: grid;
    gap: 4px;
    place-items: center;
  }
  .ta-breadcrumb { margin-bottom: 30px; }
  .ta-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .ta-hero-actions .btn { justify-content: center; }
  .ta-meta div {
    grid-template-columns: 1fr;
    gap: 5px;
  }
  .ta-duty {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .ta-duty-number {
    width: 48px;
    height: 48px;
  }
  .ta-equation-card {
    min-height: 224px;
    padding: 22px;
  }
  .ta-eq-line {
    grid-template-columns: 0.34fr 0.9fr 0.22fr 1fr;
    gap: 6px;
    font-size: 0.76rem;
  }
  .ta-curve {
    left: 22px;
    right: 22px;
    bottom: 24px;
  }
  .ta-gallery-copy,
  .ta-skill,
  .ta-overview-note,
  .ta-method { padding: 22px; }
  .nav-open .nav-links {
    position: absolute;
    top: calc(var(--header-height) - 8px);
    left: 16px;
    right: 16px;
    z-index: 20;
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(248, 250, 255, 0.96);
    box-shadow: var(--shadow-soft);
  }
  .nav-open .nav-links a {
    padding: 13px 14px;
    border-radius: var(--radius-sm);
  }
  .board-grid,
  .project-facts div,
  .communication-list div { grid-template-columns: 1fr; }
  .board-grid div {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  }
  .board-grid div:last-child { border-bottom: 0; }
  .math-hero-panel::before { inset: -12px 10px 20px -8px; }
  .mentoring-timeline article {
    padding-left: 24px;
    padding-top: 66px;
  }
  .mentoring-timeline article::before { top: 22px; }
  .fraction-bar { grid-template-columns: repeat(4, 32px); }
}
@media (max-width: 620px) {
  .brand-text { display: none; }
  .hero-actions,
  .site-footer {
    flex-direction: column;
    align-items: stretch;
  }
  .btn { width: 100%; }
  .hero-lede { font-size: 1.03rem; }
  .hero-visual {
    min-height: auto;
    display: grid;
    gap: 14px;
  }
  .portrait-card,
  .cipher-card {
    position: relative;
    width: 100%;
    inset: auto;
  }
  .cipher-text { min-height: 68px; }
  .research-section,
  .work-section,
  .background-section,
  .contact-section { padding: 64px 0; }
  .section-heading h2,
  .contact-copy h2,
  .profile-card h2 { font-size: clamp(2rem, 11vw, 3.2rem); }
  .interest-grid { grid-template-columns: 1fr; }
  .primary-tile {
    grid-column: auto;
    min-height: 300px;
  }
  .interest-tile,
  .work-item,
  .profile-card,
  .contact-form { border-radius: 22px; }
  .factor-line {
    grid-template-columns: 1fr;
    gap: 3px;
  }
  .factor-line em { display: none; }
  h1 {
    letter-spacing: -0.035em;
    line-height: 0.94;
  }
  .decode-panel {
    grid-template-columns: 1fr;
    letter-spacing: 0.12em;
  }
  .decode-arrow { transform: rotate(90deg); }
  .brand-wordmark .brand-text {
    display: inline-flex;
    font-size: 1.08rem;
  }
  .hero-copy h1,
  #hero-title {
    font-size: clamp(3.65rem, 18vw, 5.8rem);
    line-height: 0.95;
  }
  .hero-subtitle {
    margin: -12px 0 24px;
    font-size: clamp(1.28rem, 8vw, 2rem);
  }
  .portrait-oval {
    position: relative;
    inset: auto;
    width: min(100%, 340px);
    aspect-ratio: 1 / 1;
    mix-blend-mode: normal;
  }
  .hero-cipher {
    position: relative;
    left: auto;
    bottom: auto;
    width: 100%;
    margin-top: 30px;
  }
}
@media (max-width: 520px) {
  .project-hero-copy h1 { font-size: clamp(2.52rem, 16vw, 4rem); }
  .hero-actions,
  .closing-actions { width: 100%; }
  .hero-actions .btn,
  .closing-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .project-nav-card { min-height: 82px; }
  .board-canvas { min-height: 290px; }
  .poster-grid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .interest-tile.reveal.is-visible:hover,
  .work-item.reveal.is-visible:hover,
  .profile-card.reveal.is-visible:hover,
  .interest-tile.reveal.is-visible:focus-within,
  .work-item.reveal.is-visible:focus-within,
  .profile-card.reveal.is-visible:focus-within { transform: none; }
  .entrance-loader,
  .loader-shell,
  .loader-noise,
  .code-feed span,
  .decode-arrow,
  .entrance-loader.has-error .loader-terminal {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
  .code-feed span {
    width: 100%;
    border-right: 0;
  }
  .project-nav-card,
  .showcase-panel,
  .gallery-tab,
  .board-canvas,
  .ta-work-link,
  .ta-next-card,
  .work-nav-card,
  .reveal-item {
    transition: none;
  }
  .project-nav-card:hover,
  .project-nav-card:focus-visible,
  .gallery-board.is-active .board-canvas,
  .gallery-tab:hover,
  .gallery-tab:focus-visible,
  .ta-work-link:hover,
  .ta-next-card:hover,
  .work-nav-card:hover {
    transform: none;
  }
  .crypto-rain span,
  .loader-progress span { animation: none !important; }
  .loader-progress span { transform: scaleX(1); }
}

/* Updated styles */
.work-screen {
  --work-gutter: clamp(1rem, 4vw, 3.25rem);
  --work-panel: rgba(244, 248, 255, 0.76);
  --work-panel-strong: rgba(248, 250, 255, 0.94);
  --work-blue: #3347a8;
  --work-deep: #17204f;
  --work-soft: rgba(51, 71, 168, 0.12);
  --work-line: rgba(9, 21, 46, 0.16);
  --work-line-strong: rgba(9, 21, 46, 0.28);
  --work-light-text: rgba(247, 250, 255, 0.82);
  --work-shadow: 0 28px 76px rgba(7, 18, 48, 0.16), 0 2px 12px rgba(7, 18, 48, 0.09);
  background:
    radial-gradient(circle at 86% 8%, rgba(152, 168, 255, 0.28), transparent 32rem),
    radial-gradient(circle at 8% 34%, rgba(255, 255, 255, 0.56), transparent 28rem),
    linear-gradient(180deg, #dce3ff 0%, #edf3ff 46%, #dbe4f4 100%);
  color: var(--ink);
}

.portfolio-page {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.portfolio-page::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.46;
  background-image:
    linear-gradient(rgba(9, 21, 46, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(9, 21, 46, 0.045) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, transparent 0%, #09152e 14%, #09152e 72%, transparent 100%);
}

.work-screen a:focus-visible,
.work-screen button:focus-visible {
  outline: 3px solid rgba(51, 71, 168, 0.26);
  outline-offset: 4px;
}

.work-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(9, 21, 46, 0.12);
  background: rgba(220, 227, 255, 0.78);
  backdrop-filter: blur(18px);
}

.work-header .nav-shell {
  position: relative;
}

.work-header .brand-mark,
.work-site-footer .brand-mark {
  text-decoration: none;
}

.work-header .brand-text,
.work-site-footer .brand-text {
  display: grid;
  gap: 0.12rem;
  line-height: 1;
}

.work-header .brand-text strong,
.work-site-footer .brand-text strong {
  color: var(--ink);
  font-size: 0.98rem;
  letter-spacing: -0.02em;
}

.work-header .brand-text small,
.work-site-footer .brand-text small {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.work-header .nav-links a {
  position: relative;
  color: var(--ink-soft);
  font-weight: 750;
  text-decoration: none;
}

.work-header .nav-links a::after {
  content: "";
  position: absolute;
  left: 0.45rem;
  right: 0.45rem;
  bottom: 0.2rem;
  height: 2px;
  border-radius: 999px;
  background: var(--work-blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms var(--ease);
}

.work-header .nav-links a:hover::after {
  transform: scaleX(1);
}

.portfolio-hero {
  min-height: calc(100dvh - var(--header-height));
  display: grid;
  align-items: center;
  padding: clamp(4rem, 8vw, 7.5rem) var(--work-gutter) clamp(3rem, 6vw, 5rem);
}

.portfolio-hero-grid {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.86fr);
  gap: clamp(2rem, 5vw, 4.75rem);
  align-items: center;
}

.portfolio-hero-copy {
  max-width: 780px;
}

.crumbs {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: clamp(1.2rem, 3vw, 2rem);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.crumbs a {
  color: var(--ink-soft);
  text-decoration: none;
}

.crumbs a:hover {
  color: var(--work-blue);
}

.portfolio-hero h1 {
  max-width: 820px;
  margin: 0;
  color: var(--ink);
  font-size: clamp(3rem, 7.4vw, 6.9rem);
  line-height: 0.9;
  letter-spacing: -0.075em;
  text-wrap: balance;
}

.portfolio-hero .hero-lede {
  max-width: 62ch;
  margin-top: clamp(1.2rem, 2.2vw, 1.75rem);
  color: var(--ink-soft);
}

.portfolio-hero .hero-actions {
  margin-top: clamp(1.4rem, 3vw, 2.25rem);
}

.work-snapshot {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  max-width: 680px;
  margin: clamp(1.4rem, 3vw, 2.25rem) 0 0;
  border: 1px solid var(--work-line);
  border-radius: var(--radius-lg);
  background: rgba(246, 249, 255, 0.56);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.work-snapshot div {
  padding: 0.95rem 1rem;
  border-right: 1px solid var(--work-line);
}

.work-snapshot div:last-child {
  border-right: 0;
}

.work-snapshot dt {
  margin-bottom: 0.32rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.work-snapshot dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 780;
}

.portfolio-index-card {
  position: relative;
  overflow: hidden;
  min-height: 560px;
  padding: clamp(1.05rem, 2vw, 1.4rem);
  border: 1px solid rgba(9, 21, 46, 0.18);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(248, 250, 255, 0.88), rgba(219, 228, 244, 0.62)),
    radial-gradient(circle at 72% 18%, rgba(51, 71, 168, 0.22), transparent 18rem);
  box-shadow: var(--work-shadow);
}

.portfolio-index-card::before {
  content: "";
  position: absolute;
  width: 22rem;
  height: 22rem;
  right: -9rem;
  bottom: -10rem;
  border-radius: 50%;
  border: 1px solid rgba(51, 71, 168, 0.24);
  background: radial-gradient(circle, rgba(205, 217, 255, 0.52), transparent 62%);
}

.index-topline {
  position: relative;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.index-radar {
  position: relative;
  z-index: 1;
  min-height: 314px;
  margin: clamp(1rem, 3vw, 1.8rem) 0;
  overflow: hidden;
  border: 1px solid rgba(9, 21, 46, 0.13);
  border-radius: calc(var(--radius-xl) - 10px);
  background:
    radial-gradient(circle at 50% 50%, transparent 0 17%, rgba(51, 71, 168, 0.13) 18% 19%, transparent 20% 35%, rgba(51, 71, 168, 0.11) 36% 37%, transparent 38% 55%, rgba(51, 71, 168, 0.1) 56% 57%, transparent 58%),
    linear-gradient(90deg, transparent calc(50% - 0.5px), rgba(9, 21, 46, 0.12) 50%, transparent calc(50% + 0.5px)),
    linear-gradient(0deg, transparent calc(50% - 0.5px), rgba(9, 21, 46, 0.12) 50%, transparent calc(50% + 0.5px)),
    linear-gradient(145deg, rgba(255, 255, 255, 0.54), rgba(205, 217, 255, 0.38));
}

.index-radar::before {
  content: "";
  position: absolute;
  inset: 18%;
  border: 1px solid rgba(51, 71, 168, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 0 2.8rem rgba(51, 71, 168, 0.035), 0 0 0 5.4rem rgba(51, 71, 168, 0.025);
}

.index-radar::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 48%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(51, 71, 168, 0.58), transparent);
  transform: rotate(-28deg);
  transform-origin: left center;
}

.radar-line,
.radar-node {
  position: absolute;
  display: block;
}

.radar-line {
  z-index: 2;
  height: 2px;
  border-radius: 999px;
  background: rgba(51, 71, 168, 0.28);
  transform-origin: left center;
}

.radar-line-one {
  left: 31%;
  top: 42%;
  width: 40%;
  transform: rotate(22deg);
}

.radar-line-two {
  left: 36%;
  top: 62%;
  width: 31%;
  transform: rotate(-36deg);
}

.radar-line-three {
  left: 52%;
  top: 31%;
  width: 23%;
  transform: rotate(68deg);
}

.radar-node {
  z-index: 3;
  width: 0.9rem;
  height: 0.9rem;
  border: 2px solid rgba(255, 255, 255, 0.8);
  border-radius: 999px;
  background: var(--work-blue);
  box-shadow: 0 0 0 0.45rem rgba(51, 71, 168, 0.12);
}

.radar-node-one {
  left: 29%;
  top: 39%;
}

.radar-node-two {
  left: 69%;
  top: 52%;
}

.radar-node-three {
  left: 35%;
  top: 60%;
  background: var(--work-deep);
}

.radar-node-four {
  left: 55%;
  top: 28%;
  background: #6e7de1;
}

.index-list {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.index-list a {
  display: grid;
  grid-template-columns: 3ch minmax(0, 1fr);
  gap: 0.9rem;
  align-items: center;
  padding: 0.86rem 0.9rem;
  border: 1px solid rgba(9, 21, 46, 0.12);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.48);
  color: var(--ink);
  text-decoration: none;
  transition: transform 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}

.index-list a:hover {
  border-color: rgba(51, 71, 168, 0.3);
  background: rgba(255, 255, 255, 0.72);
  transform: translateX(4px);
}

.index-number {
  color: var(--work-blue);
  font-family: var(--mono);
  font-size: 0.8rem;
  font-weight: 850;
}

.index-list strong {
  display: block;
  margin-bottom: 0.14rem;
  font-size: 0.98rem;
  letter-spacing: -0.02em;
}

.index-list em {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  font-style: normal;
  font-weight: 650;
}

.portfolio-strip {
  padding: 0 var(--work-gutter) clamp(4rem, 7vw, 6rem);
}

.portfolio-strip-inner {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  overflow: hidden;
  border-top: 1px solid var(--work-line-strong);
  border-bottom: 1px solid var(--work-line);
}

.strip-item {
  display: grid;
  align-content: start;
  gap: 0.42rem;
  min-height: 138px;
  padding: clamp(1.05rem, 2vw, 1.45rem);
  border-right: 1px solid var(--work-line);
  color: var(--ink);
  text-decoration: none;
  transition: background 220ms var(--ease), transform 220ms var(--ease);
}

.strip-item:last-child {
  border-right: 0;
}

.strip-item span {
  color: var(--work-blue);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 850;
}

.strip-item strong {
  font-size: clamp(1.02rem, 2vw, 1.18rem);
  letter-spacing: -0.03em;
}

.strip-item em {
  max-width: 28ch;
  color: var(--muted);
  font-size: 0.9rem;
  font-style: normal;
  line-height: 1.45;
}

.strip-item:hover {
  background: rgba(255, 255, 255, 0.34);
  transform: translateY(-2px);
}

.portfolio-showcase,
.gallery-section,
.portfolio-contact {
  padding: clamp(4.2rem, 8vw, 7.2rem) var(--work-gutter);
}

.section-heading-grid {
  width: min(100%, var(--max-width));
  margin: 0 auto clamp(1.6rem, 4vw, 2.6rem);
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.48fr);
  gap: clamp(1.5rem, 4vw, 3.25rem);
  align-items: end;
}

.section-heading-grid h2,
.gallery-intro h2,
.contact-panel h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.15rem, 5vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.showcase-controls {
  display: grid;
  gap: 1rem;
  color: var(--muted);
}

.showcase-controls p,
.gallery-intro p,
.artifact-label p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.5rem;
}

.filter-button {
  appearance: none;
  border: 1px solid rgba(9, 21, 46, 0.15);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.42);
  color: var(--ink-soft);
  cursor: pointer;
  font: inherit;
  font-size: 0.86rem;
  font-weight: 780;
  line-height: 1;
  padding: 0.72rem 0.95rem;
  transition: transform 180ms var(--ease), background 180ms var(--ease), border-color 180ms var(--ease), color 180ms var(--ease);
}

.filter-button:hover {
  border-color: rgba(51, 71, 168, 0.32);
  background: rgba(255, 255, 255, 0.72);
  transform: translateY(-1px);
}

.filter-button.is-active {
  border-color: transparent;
  background: var(--work-deep);
  color: #f7f9ff;
  box-shadow: 0 12px 28px rgba(23, 32, 79, 0.2);
}

.project-grid {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(1rem, 2vw, 1.35rem);
  align-items: stretch;
}

.project-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  grid-column: span 5;
  gap: clamp(1rem, 2vw, 1.2rem);
  min-height: 520px;
  padding: clamp(1.05rem, 2vw, 1.35rem);
  border: 1px solid rgba(9, 21, 46, 0.14);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(145deg, rgba(248, 250, 255, 0.86), rgba(233, 240, 255, 0.72)),
    radial-gradient(circle at 18% 0%, rgba(205, 217, 255, 0.52), transparent 16rem);
  box-shadow: 0 18px 46px rgba(7, 18, 48, 0.09);
  transition: transform 260ms var(--ease), box-shadow 260ms var(--ease), border-color 260ms var(--ease);
}

.project-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 6px;
  background: linear-gradient(90deg, var(--work-blue), rgba(152, 168, 255, 0.26), transparent);
  opacity: 0.62;
}

.project-card--featured {
  grid-column: span 7;
  grid-row: span 2;
  min-height: 680px;
}

.project-card--math::before {
  background: linear-gradient(90deg, var(--work-deep), rgba(51, 71, 168, 0.26), transparent);
}

.project-card__meta {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
}

.project-code,
.project-status {
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.project-status {
  padding: 0.35rem 0.5rem;
  border: 1px solid rgba(9, 21, 46, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
}

.project-card__body {
  position: relative;
  z-index: 1;
}

.project-card h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.8rem, 3.2vw, 3.2rem);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.project-card p {
  max-width: 62ch;
  margin: 0.85rem 0 0;
  color: var(--ink-soft);
  line-height: 1.62;
}

.project-notes {
  display: grid;
  gap: 0.55rem;
  margin: 1.05rem 0 0;
  padding: 0;
  list-style: none;
}

.project-notes li {
  position: relative;
  padding-left: 1rem;
  color: var(--ink-soft);
  font-size: 0.94rem;
  line-height: 1.45;
}

.project-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 0.38rem;
  height: 0.38rem;
  border-radius: 999px;
  background: var(--work-blue);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.1rem;
}

.tag-list span {
  display: inline-flex;
  align-items: center;
  min-height: 1.8rem;
  padding: 0.36rem 0.58rem;
  border: 1px solid rgba(51, 71, 168, 0.16);
  border-radius: 999px;
  background: rgba(51, 71, 168, 0.07);
  color: var(--work-deep);
  font-size: 0.76rem;
  font-weight: 780;
}

.mini-gallery {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.68rem;
  margin-top: auto;
}

.mini-gallery--compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.gallery-tile {
  display: grid;
  grid-template-rows: minmax(118px, 1fr) auto;
  overflow: hidden;
  min-width: 0;
  margin: 0;
  border: 1px solid rgba(9, 21, 46, 0.13);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.58);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.project-card--featured .gallery-tile {
  grid-template-rows: minmax(154px, 1fr) auto;
}

.project-card--featured .gallery-tile--wide {
  grid-column: span 2;
}

.gallery-art {
  position: relative;
  overflow: hidden;
  min-height: 118px;
  background: rgba(205, 217, 255, 0.5);
}

.gallery-art::before,
.gallery-art::after {
  content: "";
  position: absolute;
  display: block;
}

.cyber-art {
  background:
    radial-gradient(circle at 28% 38%, rgba(51, 71, 168, 0.95) 0 5px, transparent 6px),
    radial-gradient(circle at 70% 26%, rgba(23, 32, 79, 0.86) 0 5px, transparent 6px),
    radial-gradient(circle at 62% 72%, rgba(51, 71, 168, 0.82) 0 6px, transparent 7px),
    radial-gradient(circle at 34% 70%, rgba(110, 125, 225, 0.9) 0 4px, transparent 5px),
    linear-gradient(135deg, rgba(248, 250, 255, 0.94), rgba(205, 217, 255, 0.72));
}

.cyber-art::before {
  inset: 18px;
  border-radius: 16px;
  background:
    linear-gradient(24deg, transparent 0 48%, rgba(51, 71, 168, 0.32) 49% 51%, transparent 52%),
    linear-gradient(148deg, transparent 0 48%, rgba(23, 32, 79, 0.22) 49% 51%, transparent 52%),
    linear-gradient(90deg, transparent 0 49%, rgba(51, 71, 168, 0.18) 50%, transparent 51%);
}

.cyber-art::after {
  left: 18%;
  bottom: 17%;
  width: 42%;
  height: 2px;
  border-radius: 999px;
  background: rgba(51, 71, 168, 0.42);
  transform: rotate(-12deg);
}

.cyber-art--trace {
  background:
    repeating-linear-gradient(0deg, rgba(51, 71, 168, 0.12) 0 1px, transparent 1px 18px),
    linear-gradient(135deg, rgba(248, 250, 255, 0.96), rgba(205, 217, 255, 0.7));
}

.cyber-art--trace::before {
  left: 16px;
  right: 16px;
  top: 27px;
  height: 58px;
  border-radius: 14px;
  background:
    linear-gradient(90deg, rgba(51, 71, 168, 0.78) 0 15%, transparent 15% 22%, rgba(23, 32, 79, 0.58) 22% 34%, transparent 34% 44%, rgba(51, 71, 168, 0.72) 44% 68%, transparent 68% 74%, rgba(110, 125, 225, 0.78) 74% 100%);
  opacity: 0.84;
}

.cyber-art--trace::after {
  left: 24px;
  right: 24px;
  bottom: 24px;
  height: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--work-blue), rgba(152, 168, 255, 0.2));
}

.cyber-art--poster {
  background: linear-gradient(135deg, rgba(248, 250, 255, 0.94), rgba(205, 217, 255, 0.78));
}

.cyber-art--poster::before {
  inset: 18px 24px;
  border-radius: 12px;
  background:
    linear-gradient(90deg, var(--work-blue) 0 42%, transparent 42% 100%),
    linear-gradient(0deg, rgba(23, 32, 79, 0.16) 0 11%, transparent 11% 18%, rgba(23, 32, 79, 0.12) 18% 25%, transparent 25% 100%);
  opacity: 0.86;
}

.cyber-art--poster::after {
  right: 24px;
  top: 22px;
  width: 30%;
  height: 64%;
  border-radius: 12px;
  background:
    repeating-linear-gradient(0deg, rgba(23, 32, 79, 0.24) 0 3px, transparent 3px 10px),
    rgba(255, 255, 255, 0.48);
}

.teaching-art {
  background:
    linear-gradient(135deg, rgba(23, 32, 79, 0.96), rgba(51, 71, 168, 0.76));
}

.teaching-art::before {
  left: 18px;
  right: 18px;
  top: 22px;
  bottom: 22px;
  border-radius: 14px;
  background:
    linear-gradient(0deg, transparent 0 27%, rgba(247, 250, 255, 0.55) 28% 29%, transparent 30% 48%, rgba(247, 250, 255, 0.38) 49% 50%, transparent 51% 70%, rgba(247, 250, 255, 0.45) 71% 72%, transparent 73%),
    linear-gradient(90deg, rgba(247, 250, 255, 0.22), transparent 52%);
}

.teaching-art::after {
  content: "f(x)";
  right: 20px;
  bottom: 17px;
  color: rgba(247, 250, 255, 0.78);
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 800;
}

.teaching-art--rubric {
  background: linear-gradient(135deg, rgba(248, 250, 255, 0.96), rgba(205, 217, 255, 0.72));
}

.teaching-art--rubric::before {
  inset: 18px;
  border: 1px solid rgba(51, 71, 168, 0.28);
  border-radius: 12px;
  background:
    linear-gradient(90deg, transparent 0 32%, rgba(51, 71, 168, 0.18) 32% 33%, transparent 33% 66%, rgba(51, 71, 168, 0.18) 66% 67%, transparent 67%),
    linear-gradient(0deg, transparent 0 24%, rgba(51, 71, 168, 0.18) 24% 25%, transparent 25% 49%, rgba(51, 71, 168, 0.18) 49% 50%, transparent 50% 74%, rgba(51, 71, 168, 0.18) 74% 75%, transparent 75%);
}

.teaching-art--rubric::after {
  left: 29px;
  top: 28px;
  width: 32%;
  height: 10px;
  border-radius: 999px;
  background: var(--work-blue);
  box-shadow: 0 26px 0 rgba(51, 71, 168, 0.38), 0 52px 0 rgba(51, 71, 168, 0.22);
}

.teaching-art--office {
  background: linear-gradient(135deg, rgba(248, 250, 255, 0.96), rgba(205, 217, 255, 0.68));
}

.teaching-art--office::before {
  left: 20px;
  top: 20px;
  width: 46%;
  height: 58%;
  border-radius: 14px;
  background:
    repeating-linear-gradient(0deg, rgba(23, 32, 79, 0.22) 0 2px, transparent 2px 12px),
    rgba(255, 255, 255, 0.58);
  transform: rotate(-3deg);
}

.teaching-art--office::after {
  right: 22px;
  bottom: 22px;
  width: 36%;
  height: 46%;
  border-radius: 14px;
  background:
    linear-gradient(0deg, rgba(51, 71, 168, 0.16), rgba(51, 71, 168, 0.16)),
    rgba(255, 255, 255, 0.68);
  transform: rotate(4deg);
}

.math-art {
  background:
    linear-gradient(90deg, rgba(9, 21, 46, 0.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(9, 21, 46, 0.08) 1px, transparent 1px),
    linear-gradient(135deg, rgba(248, 250, 255, 0.98), rgba(205, 217, 255, 0.7));
  background-size: 18px 18px, 18px 18px, 100% 100%;
}

.math-art::before {
  left: 18%;
  top: 20%;
  width: 72%;
  height: 54%;
  border-top: 3px solid var(--work-blue);
  border-right: 3px solid var(--work-blue);
  border-radius: 50% 44% 35% 48%;
  transform: rotate(-18deg);
}

.math-art::after {
  left: 22px;
  bottom: 18px;
  width: calc(100% - 44px);
  height: 2px;
  border-radius: 999px;
  background: rgba(23, 32, 79, 0.38);
  box-shadow: 0 -54px 0 rgba(23, 32, 79, 0.12);
}

.math-art--sequence::before {
  inset: 22px;
  border-radius: 14px;
  background:
    linear-gradient(90deg, rgba(51, 71, 168, 0.82) 0 22%, transparent 22% 28%, rgba(51, 71, 168, 0.54) 28% 52%, transparent 52% 58%, rgba(23, 32, 79, 0.64) 58% 82%, transparent 82%),
    linear-gradient(0deg, rgba(23, 32, 79, 0.12) 0 12%, transparent 12% 100%);
  border: 1px solid rgba(51, 71, 168, 0.18);
  transform: none;
}

.math-art--sequence::after {
  right: 20px;
  left: auto;
  top: 26px;
  width: 18px;
  height: 18px;
  border: 2px solid var(--work-blue);
  border-left: 0;
  border-bottom: 0;
  background: transparent;
  box-shadow: none;
  transform: rotate(45deg);
}

.math-art--assessment::before {
  left: 18px;
  right: 18px;
  top: 22px;
  width: auto;
  height: 52%;
  border: 0;
  border-radius: 14px;
  background:
    repeating-linear-gradient(0deg, rgba(23, 32, 79, 0.18) 0 2px, transparent 2px 13px),
    rgba(255, 255, 255, 0.44);
  transform: none;
}

.math-art--assessment::after {
  content: "✓";
  right: 24px;
  bottom: 17px;
  left: auto;
  width: auto;
  height: auto;
  color: var(--work-blue);
  background: transparent;
  box-shadow: none;
  font-family: var(--sans);
  font-size: 2rem;
  font-weight: 900;
}

.gallery-tile figcaption {
  padding: 0.74rem 0.78rem;
  color: var(--ink-soft);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: -0.01em;
}

.project-link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  width: fit-content;
  margin-top: 0.1rem;
  color: var(--work-blue);
  font-weight: 850;
  text-decoration: none;
  transition: transform 180ms var(--ease), color 180ms var(--ease);
}

.project-link:hover {
  color: var(--work-deep);
  transform: translateX(4px);
}

.project-card[hidden],
.showcase-empty[hidden] {
  display: none;
}

.showcase-empty {
  width: min(100%, var(--max-width));
  margin: 1rem auto 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--work-line);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.58);
  color: var(--muted);
  font-weight: 700;
}

.gallery-layout {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(240px, 0.42fr) minmax(0, 0.98fr);
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}

.gallery-intro {
  position: sticky;
  top: calc(var(--header-height) + 2rem);
}

.gallery-intro p {
  max-width: 42ch;
  margin-top: 1rem;
}

.artifact-gallery {
  display: grid;
  gap: 1.1rem;
}

.artifact-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.35fr) minmax(0, 1fr);
  gap: clamp(1rem, 3vw, 1.5rem);
  align-items: start;
  padding: clamp(1rem, 2vw, 1.25rem) 0;
  border-top: 1px solid var(--work-line);
}

.artifact-row:last-child {
  border-bottom: 1px solid var(--work-line);
}

.artifact-label span {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--work-blue);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.artifact-label h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.artifact-label p {
  margin-top: 0.55rem;
  font-size: 0.92rem;
}

.artifact-set {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
}

.portfolio-contact {
  padding-top: clamp(2rem, 5vw, 4rem);
}

.contact-panel {
  position: relative;
  overflow: hidden;
  width: min(100%, var(--max-width));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(1.4rem, 4vw, 3rem);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at 80% 10%, rgba(152, 168, 255, 0.26), transparent 18rem),
    linear-gradient(135deg, rgba(23, 32, 79, 0.98), rgba(36, 59, 143, 0.94));
  box-shadow: var(--work-shadow);
  color: #f7f9ff;
}

.contact-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.18;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.16) 1px, transparent 1px);
  background-size: 44px 44px;
}

.contact-panel > * {
  position: relative;
  z-index: 1;
}

.contact-panel .section-kicker {
  color: rgba(247, 250, 255, 0.72);
}

.contact-panel h2 {
  color: #f7f9ff;
}

.contact-panel p {
  max-width: 62ch;
  margin: 1rem 0 0;
  color: var(--work-light-text);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.75rem;
}

.contact-panel .btn-primary {
  background: #f7f9ff;
  color: var(--work-deep);
}

.contact-panel .btn-secondary {
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  color: #f7f9ff;
}

.work-site-footer {
  padding: 0 var(--work-gutter) clamp(2rem, 4vw, 3rem);
}

.work-site-footer .footer-inner {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 1.25rem;
  align-items: center;
  padding-top: 1.35rem;
  border-top: 1px solid var(--work-line);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.9rem 1.2rem;
}

.footer-links a {
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 760;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--work-blue);
}

.reveal-ready {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.reveal-ready.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.project-grid .reveal-ready:nth-child(2),
.artifact-gallery .reveal-ready:nth-child(2) {
  transition-delay: 80ms;
}

.project-grid .reveal-ready:nth-child(3),
.artifact-gallery .reveal-ready:nth-child(3) {
  transition-delay: 150ms;
}

@media (hover: hover) {
  .project-card:hover {
    border-color: rgba(51, 71, 168, 0.28);
    box-shadow: 0 28px 76px rgba(7, 18, 48, 0.15);
    transform: translateY(-4px);
  }
}

@media (min-width: 761px) {
  .work-header .nav-toggle {
    display: none;
  }

  .work-header .nav-links {
    display: flex;
  }
}

@media (max-width: 1040px) {
  .portfolio-hero-grid {
    grid-template-columns: 1fr;
  }

  .portfolio-index-card {
    max-width: 720px;
    min-height: auto;
  }

  .section-heading-grid {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .project-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .project-card,
  .project-card--featured {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .gallery-layout {
    grid-template-columns: 1fr;
  }

  .gallery-intro {
    position: static;
    max-width: 680px;
  }

  .artifact-row {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    grid-template-columns: 1fr;
  }

  .contact-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .work-header .nav-shell {
    gap: 0.8rem;
  }

  .work-header .nav-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.68rem 0.85rem;
    border: 1px solid var(--work-line);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.44);
    color: var(--ink);
    cursor: pointer;
    font: inherit;
    font-size: 0.9rem;
    font-weight: 820;
  }

  .work-header .nav-toggle::after {
    content: "";
    width: 0.55rem;
    height: 0.55rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg) translateY(-1px);
    transition: transform 180ms var(--ease);
  }

  .work-header .nav-toggle[aria-expanded="true"]::after {
    transform: rotate(-135deg) translateY(-1px);
  }

  .work-header .nav-links {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 0.75rem);
    display: none;
    padding: 0.65rem;
    border: 1px solid var(--work-line);
    border-radius: var(--radius-lg);
    background: rgba(244, 248, 255, 0.96);
    box-shadow: var(--work-shadow);
  }

  .work-header .nav-links.is-open {
    display: grid;
    gap: 0.2rem;
  }

  .work-header .nav-links a {
    padding: 0.78rem 0.9rem;
    border-radius: var(--radius-sm);
  }

  .work-header .nav-links a:hover {
    background: rgba(51, 71, 168, 0.08);
  }

  .work-header .nav-links a::after {
    display: none;
  }

  .portfolio-hero {
    min-height: auto;
    padding-top: clamp(3.2rem, 11vw, 5rem);
  }

  .portfolio-hero h1 {
    font-size: clamp(2.7rem, 14vw, 4.8rem);
    letter-spacing: -0.068em;
  }

  .work-snapshot {
    grid-template-columns: 1fr;
  }

  .work-snapshot div {
    border-right: 0;
    border-bottom: 1px solid var(--work-line);
  }

  .work-snapshot div:last-child {
    border-bottom: 0;
  }

  .index-radar {
    min-height: 250px;
  }

  .portfolio-strip-inner {
    grid-template-columns: 1fr;
  }

  .strip-item {
    min-height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--work-line);
  }

  .strip-item:last-child {
    border-bottom: 0;
  }

  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.15rem;
  }

  .filter-button {
    flex: 0 0 auto;
  }

  .project-card {
    min-height: auto;
    border-radius: 26px;
  }

  .project-card__meta {
    align-items: flex-start;
    flex-direction: column;
  }

  .mini-gallery,
  .mini-gallery--compact,
  .project-card--featured .mini-gallery {
    grid-template-columns: 1fr;
  }

  .project-card--featured .gallery-tile--wide {
    grid-column: auto;
  }

  .artifact-set {
    grid-template-columns: 1fr;
  }

  .contact-panel {
    border-radius: 26px;
  }

  .contact-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .work-site-footer .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .portfolio-hero,
  .portfolio-showcase,
  .gallery-section,
  .portfolio-contact {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .portfolio-strip,
  .work-site-footer {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .portfolio-index-card,
  .project-card,
  .contact-panel {
    padding: 1rem;
  }

  .index-list a {
    grid-template-columns: 2.6ch minmax(0, 1fr);
  }

  .gallery-tile {
    grid-template-rows: minmax(136px, 1fr) auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .work-screen *,
  .work-screen *::before,
  .work-screen *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}