:root {
  --canvas: #eef1f7;
  --canvas-deep: #dfe5f0;
  --ink: #10182d;
  --ink-soft: #3d4961;
  --muted: #6a7387;
  --line: rgba(28, 42, 77, 0.14);
  --line-strong: rgba(28, 42, 77, 0.26);
  --surface: rgba(255, 255, 255, 0.66);
  --surface-solid: #f8faff;
  --accent: #3347a8;
  --accent-dark: #17204f;
  --accent-soft: #dce3ff;
  --cipher: #7d8df2;
  --shadow-soft: 0 26px 70px rgba(22, 32, 79, 0.14), 0 2px 10px rgba(22, 32, 79, 0.08);
  --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;
  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 82% 12%, rgba(51, 71, 168, 0.20), transparent 25rem),
    radial-gradient(circle at 10% 4%, rgba(23, 32, 79, 0.12), transparent 24rem),
    linear-gradient(135deg, #f6f8fc 0%, var(--canvas) 48%, #e8edf7 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.42;
  background-image:
    linear-gradient(rgba(16, 24, 45, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16, 24, 45, 0.035) 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(238, 241, 247, 0.78);
  border-bottom: 1px solid rgba(28, 42, 77, 0.10);
}

.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, #ffffff, #dfe5f0);
  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; }
.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 999px;
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.93rem;
  transition: background-color 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}
.nav-links a:hover { background: rgba(51, 71, 168, 0.09); color: var(--ink); }
.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: center;
  padding: clamp(48px, 6vw, 88px) 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, 0.92fr) minmax(360px, 0.82fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
}

.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: 760px;
  margin-bottom: 24px;
  font-size: clamp(3.6rem, 8vw, 7.4rem);
  line-height: 0.89;
  letter-spacing: -0.085em;
  font-weight: 770;
}

.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: 610px;
}

.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);
}

.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 2.7s 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);
}

.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, #141d43, #243273);
  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; }

@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);
  }
  .nav-links.is-open { opacity: 1; transform: translateY(0) scale(1); pointer-events: auto; }
  .nav-links a { border-radius: 14px; min-height: 44px; }
  .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: 48px; }
  h1 { font-size: clamp(3.2rem, 15vw, 6rem); }
  .hero-visual { min-height: 560px; 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; }
}

@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; }
}

@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; }
}

/* Updated styles */
/* Midnight indigo tuning */
: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);
}

body {
  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%);
}

body::before {
  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);
}

.site-header {
  background: rgba(219, 228, 244, 0.82);
  border-bottom-color: rgba(9, 21, 46, 0.12);
}

.brand-sigil {
  background: linear-gradient(145deg, #f9fbff, #cbd8ef);
}

.portrait-card,
.interest-tile,
.work-item,
.profile-card,
.contact-form {
  background-color: rgba(246, 249, 255, 0.74);
}

.cipher-card {
  background:
    radial-gradient(circle at 16% 8%, rgba(152, 168, 255, 0.32), transparent 12rem),
    linear-gradient(145deg, #07132f, #14255a 58%, #1e3476);
  box-shadow: 0 26px 68px rgba(7, 19, 47, 0.34);
}

.cipher-rail span::before {
  animation-duration: 1.45s;
}

.visual-tile {
  background: linear-gradient(145deg, #081535, #182b67 62%, #243b8f);
}

/* Updated styles */
.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);
}

@media (max-width: 920px) {
  .background-grid {
    grid-template-columns: 1fr;
  }

  .background-grid .profile-card {
    min-height: auto;
  }
}

/* Updated styles */
.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);
}

/* Updated styles */
.pqc-tile {
  justify-content: space-between;
  gap: 24px;
  overflow: hidden;
  padding: 16px;
}

.pqc-tile .tile-copy {
  padding: 0 clamp(8px, 1.5vw, 18px) clamp(8px, 1.5vw, 18px);
}

.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);
  }
}

@media (max-width: 920px) {
  .pqc-tile {
    min-height: 420px;
  }
}

/* Updated styles */
.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);
  }
}

@media (max-width: 620px) {
  .factor-line {
    grid-template-columns: 1fr;
    gap: 3px;
  }

  .factor-line em {
    display: none;
  }
}

/* Updated styles */
/* Refined post-quantum interest tile */
.pqc-tile {
  justify-content: flex-start;
}

.pqc-tile .tile-copy {
  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;
}

/* Updated styles */
/* Navigation without visible brand */
.nav-shell {
  justify-content: flex-end;
}

/* Subtle card movement on hover */
.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);
}

@media (prefers-reduced-motion: reduce) {
  .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;
  }
}