:root {
  --blue: #0757d9;
  --blue-dark: #072a68;
  --cyan: #58d9ff;
  --ice: #e9f3ff;
  --paper: #f7f9fc;
  --white: #ffffff;
  --ink: #071526;
  --muted: #526071;
  --line: rgba(7, 21, 38, 0.14);
  --soft-line: rgba(7, 87, 217, 0.16);
  --shadow: 0 28px 80px rgba(7, 42, 104, 0.14);
  --sans: "Poppins", Arial, sans-serif;
  --mono: "IBM Plex Mono", monospace;
  --molecule-one-y: 0px;
  --molecule-two-y: 0px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; }
button, summary, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
h1, h2, h3, p { overflow-wrap: break-word; }

.skip-link {
  position: fixed;
  left: 14px;
  top: -80px;
  z-index: 100;
  padding: 10px 16px;
  color: white;
  background: var(--blue-dark);
}
.skip-link:focus { top: 14px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  height: 86px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  padding: 0 clamp(22px, 4vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(247, 249, 252, 0.9);
  backdrop-filter: blur(18px);
}
.school-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  text-decoration: none;
}
.school-mark img:first-child { width: 82px; height: auto; }
.school-mark img:nth-of-type(2) { width: 40px; height: 40px; object-fit: contain; }
.school-mark > span { width: 1px; height: 30px; background: var(--line); }
.school-mark strong {
  max-width: 95px;
  font-family: var(--mono);
  font-size: 9px;
  line-height: 1.25;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.top-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(16px, 2.1vw, 34px);
}
.top-nav a {
  position: relative;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-decoration: none;
  text-transform: uppercase;
  white-space: nowrap;
}
.top-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -7px;
  height: 2px;
  background: var(--blue);
  transition: right 200ms ease;
}
.top-nav a:hover::after { right: 0; }
.menu-toggle { display: none; }
.mobile-menu { display: none; }

.system-label {
  margin: 0;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.hero {
  position: relative;
  min-height: calc(100svh - 86px);
  display: grid;
  grid-template-columns: minmax(410px, 0.92fr) minmax(470px, 1.08fr);
  align-items: stretch;
  isolation: isolate;
  overflow: hidden;
  background: var(--white);
}
.blueprint-grid {
  position: absolute;
  inset: 0;
  z-index: -3;
  opacity: 0.52;
  background-image:
    linear-gradient(rgba(7, 87, 217, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(7, 87, 217, 0.07) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: linear-gradient(90deg, black, transparent 78%);
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  width: 52vw;
  height: 115%;
  right: -4vw;
  top: -8%;
  background: var(--blue);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 92%);
}
.hero::after {
  content: "BIOCHEMISTRY";
  position: absolute;
  z-index: -1;
  left: 4vw;
  bottom: -0.14em;
  color: rgba(7, 87, 217, 0.055);
  font-size: clamp(80px, 11vw, 220px);
  font-weight: 800;
  letter-spacing: -0.06em;
  white-space: nowrap;
}
.hero-copy {
  align-self: center;
  max-width: 730px;
  padding: 70px 4vw 110px max(5vw, 60px);
  animation: copy-in 800ms cubic-bezier(.2,.8,.2,1) both;
}
.hero-kicker { margin-bottom: 26px; }
h1 {
  margin: 0;
  line-height: 0.84;
  letter-spacing: -0.065em;
}
h1 span {
  display: block;
  margin-bottom: 18px;
  font-family: var(--mono);
  font-size: clamp(18px, 1.5vw, 26px);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
h1 strong {
  display: block;
  color: var(--ink);
  font-size: clamp(108px, 10.5vw, 205px);
  font-weight: 800;
  text-transform: uppercase;
}
.hero-credentials {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 38px 0 25px;
}
.hero-credentials span {
  padding: 7px 12px;
  border: 1px solid var(--line);
  color: var(--blue-dark);
  background: rgba(255,255,255,0.7);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero-credentials span:first-child { border-color: var(--blue); color: white; background: var(--blue); }
.hero-intro { max-width: 58ch; margin: 0; color: var(--muted); font-size: 17px; }
.primary-link {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  margin-top: 32px;
  padding: 13px 19px;
  color: white;
  background: var(--ink);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-decoration: none;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease;
}
.primary-link:hover { transform: translateY(-3px); background: var(--blue); }
.hero-visual {
  position: relative;
  min-height: 710px;
  align-self: stretch;
  overflow: hidden;
  animation: visual-in 900ms 120ms cubic-bezier(.2,.8,.2,1) both;
}
.hero-visual img {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: -2px;
  height: min(86vh, 920px);
  width: auto;
  max-width: 78%;
  object-fit: contain;
  object-position: bottom center;
  transform: translateX(-50%);
  filter: drop-shadow(0 28px 24px rgba(0, 18, 55, 0.26));
}
.portrait-shadow {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: 1%;
  width: 52%;
  height: 72%;
  border: 1px solid rgba(255,255,255,0.46);
  transform: translateX(-42%) rotate(5deg);
}
.sterile-field {
  position: absolute;
  z-index: 2;
  inset: 12% 7% 8% 8%;
  border: 1px solid rgba(255,255,255,0.32);
  border-radius: 50%;
  transform: rotate(-10deg);
}
.sterile-field::before,
.sterile-field::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(88,217,255,0.65);
  border-radius: 50%;
}
.sterile-field::before { inset: 10% -5% 16% 8%; transform: rotate(28deg); }
.sterile-field::after { inset: 24% 8% 0 -8%; transform: rotate(-25deg); }
.sterile-field span {
  position: absolute;
  color: rgba(255,255,255,0.58);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}
.sterile-field span:nth-child(1) { left: 4%; top: 26%; }
.sterile-field span:nth-child(2) { right: 5%; top: 11%; }
.sterile-field span:nth-child(3) { right: 3%; bottom: 20%; }
.portrait-note {
  position: absolute;
  z-index: 5;
  right: 4vw;
  bottom: 38px;
  margin: 0;
  color: white;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.6;
  text-align: right;
  text-transform: uppercase;
}
.hero-status {
  position: absolute;
  z-index: 8;
  left: max(5vw, 60px);
  bottom: 34px;
  display: flex;
  align-items: center;
  gap: 13px;
}
.hero-status > span { color: var(--blue); font-family: var(--mono); font-size: 11px; font-weight: 600; }
.hero-status > div { width: 66px; height: 1px; background: var(--line); }
.hero-status > div i { display: block; width: 34%; height: 1px; background: var(--blue); }
.hero-status strong { font-family: var(--mono); font-size: 8px; letter-spacing: 0.11em; line-height: 1.45; text-transform: uppercase; }
.hero-molecule { position: absolute; z-index: 6; pointer-events: none; }
.hero-molecule i { position: absolute; width: 9px; height: 9px; border: 2px solid var(--cyan); border-radius: 50%; background: var(--blue); box-shadow: 0 0 0 6px rgba(88,217,255,0.1); }
.hero-molecule::before,
.hero-molecule::after { content: ""; position: absolute; height: 1px; background: rgba(88,217,255,0.62); transform-origin: left center; }
.molecule-one { right: 7vw; top: 20%; width: 140px; height: 100px; transform: translateY(var(--molecule-one-y)); }
.molecule-one i:nth-child(1) { left: 0; top: 32px; }
.molecule-one i:nth-child(2) { left: 54px; top: 0; }
.molecule-one i:nth-child(3) { left: 88px; top: 54px; }
.molecule-one i:nth-child(4) { right: 0; top: 25px; }
.molecule-one::before { left: 7px; top: 36px; width: 61px; transform: rotate(-30deg); }
.molecule-one::after { left: 60px; top: 8px; width: 64px; transform: rotate(58deg); }
.molecule-two { left: 47%; bottom: 17%; width: 110px; height: 90px; transform: translateY(var(--molecule-two-y)); }
.molecule-two i:nth-child(1) { left: 0; top: 10px; }
.molecule-two i:nth-child(2) { left: 52px; top: 48px; }
.molecule-two i:nth-child(3) { right: 0; top: 12px; }
.molecule-two::before { left: 8px; top: 18px; width: 61px; transform: rotate(36deg); }
.molecule-two::after { left: 60px; top: 54px; width: 55px; transform: rotate(-35deg); }

.section { position: relative; padding: 135px max(6vw, 70px); }
.section-rail {
  display: flex;
  align-items: center;
  gap: 15px;
  color: var(--blue);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}
.section-rail span { font-size: 26px; line-height: 1; }
.section-rail p { margin: 0; }
h2 {
  margin: 0;
  font-size: clamp(48px, 5.7vw, 104px);
  font-weight: 700;
  letter-spacing: -0.06em;
  line-height: 1.02;
}
h2 em { color: var(--blue); font-style: normal; font-weight: 500; }

.profile {
  display: grid;
  grid-template-columns: 52px minmax(390px, 1.05fr) minmax(360px, 0.82fr);
  gap: clamp(34px, 5vw, 90px);
  background: var(--paper);
}
.profile .section-rail { grid-row: 1 / span 2; }
.profile-heading { max-width: 900px; }
.profile-heading .system-label { margin-bottom: 24px; }
.profile-heading h2 { font-size: clamp(50px, 5.2vw, 90px); }
.profile-body { align-self: end; max-width: 620px; padding-bottom: 5px; }
.profile-body p { color: var(--muted); }
.profile-body .lead { margin-top: 0; color: var(--ink); font-size: clamp(20px, 1.55vw, 27px); font-weight: 500; line-height: 1.55; }
.skill-board {
  grid-column: 2 / -1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}
.skill-board span {
  padding: 10px 14px;
  border: 1px solid var(--soft-line);
  background: white;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 180ms ease, background 180ms ease, transform 180ms ease;
}
.skill-board span:hover { color: white; background: var(--blue); transform: translateY(-3px); }

.education {
  color: white;
  background: var(--ink);
  overflow: hidden;
}
.education::before {
  content: "ACADEMIC PATHWAY";
  position: absolute;
  right: -0.04em;
  top: 18px;
  color: rgba(255,255,255,0.035);
  font-size: clamp(70px, 11vw, 190px);
  font-weight: 800;
  letter-spacing: -0.06em;
  white-space: nowrap;
}
.education-top {
  position: relative;
  display: grid;
  grid-template-columns: 1.28fr 0.5fr;
  align-items: end;
  gap: 80px;
  margin-bottom: 92px;
}
.education-top .system-label { margin-bottom: 18px; color: var(--cyan); }
.education-top h2 { max-width: 950px; }
.education-top > p { margin: 0 0 10px; color: rgba(255,255,255,0.6); }
.education-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(190px, 1fr));
  gap: 20px;
}
.education-track::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 8px;
  height: 1px;
  background: rgba(255,255,255,0.19);
}
.education-stop {
  position: relative;
  min-height: 260px;
  padding: 42px 20px 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.2);
}
.education-stop::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 11px;
  height: 11px;
  border: 2px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink);
}
.education-stop.current::before { background: var(--cyan); box-shadow: 0 0 0 8px rgba(88,217,255,0.12); }
.stop-code { color: var(--cyan); font-family: var(--mono); font-size: 9px; font-weight: 600; letter-spacing: 0.1em; }
.education-stop h3 { margin: 72px 0 12px; font-size: clamp(20px, 1.5vw, 27px); line-height: 1.25; }
.education-stop p { margin: 0; color: rgba(255,255,255,0.58); font-size: 14px; }

.experience { background: var(--ice); }
.experience-heading {
  display: grid;
  grid-template-columns: 0.55fr 1.45fr;
  align-items: start;
  gap: 60px;
  margin-bottom: 76px;
}
.experience-heading h2 { max-width: 900px; font-size: clamp(52px, 5.3vw, 92px); }
.experience-deck { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.experience-card {
  position: relative;
  min-height: 560px;
  display: flex;
  flex-direction: column;
  padding: clamp(34px, 4vw, 64px);
  overflow: hidden;
  transition: transform 260ms cubic-bezier(.2,.8,.2,1), box-shadow 260ms ease;
}
.experience-card:hover { transform: translateY(-10px); box-shadow: var(--shadow); }
.experience-card.clinical { color: white; background: var(--blue); }
.experience-card.leadership { border: 1px solid var(--line); background: white; }
.experience-card::after {
  content: "";
  position: absolute;
  width: 280px;
  height: 280px;
  right: -90px;
  bottom: -110px;
  border: 1px solid currentColor;
  border-radius: 50%;
  opacity: 0.16;
}
.card-number { position: absolute; right: 30px; top: 16px; color: currentColor; font-size: clamp(70px, 8vw, 150px); font-weight: 800; line-height: 1; opacity: 0.08; }
.card-icon { width: 58px; height: 58px; display: grid; place-items: center; margin-bottom: auto; border: 1px solid currentColor; border-radius: 50%; font-size: 24px; }
.experience-card.clinical .system-label { color: var(--cyan); }
.experience-card h3 { margin: 18px 0 8px; font-size: clamp(36px, 3.4vw, 62px); letter-spacing: -0.05em; line-height: 1.02; }
.experience-card strong { max-width: 42ch; font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; line-height: 1.6; text-transform: uppercase; }
.experience-card > p:not(.system-label) { max-width: 62ch; margin: 27px 0 0; color: currentColor; opacity: 0.72; }
.card-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 32px; }
.card-tags span { padding: 7px 10px; border: 1px solid currentColor; font-family: var(--mono); font-size: 9px; letter-spacing: 0.07em; text-transform: uppercase; }

.journey {
  display: grid;
  grid-template-columns: minmax(300px, 0.72fr) minmax(210px, 0.38fr) minmax(520px, 1.15fr);
  align-items: start;
  gap: clamp(35px, 5vw, 88px);
  background: white;
}
.journey-intro { position: sticky; top: 126px; }
.journey-intro .system-label { margin-bottom: 20px; }
.journey-intro h2 { font-size: clamp(48px, 4.5vw, 78px); }
.journey-intro > p:last-child { max-width: 48ch; margin-top: 28px; color: var(--muted); }
.chapter-console {
  position: sticky;
  top: 126px;
  min-height: 420px;
  padding: 28px;
  color: white;
  background: var(--blue-dark);
  overflow: hidden;
}
.chapter-console .system-label { color: var(--cyan); }
.chapter-console > strong { display: block; margin: 38px 0 8px; font-size: clamp(70px, 7vw, 120px); line-height: 1; letter-spacing: -0.07em; }
.chapter-console > p { position: relative; z-index: 2; min-height: 72px; margin: 0; font-size: 14px; font-weight: 600; line-height: 1.35; }
.console-progress { position: absolute; left: 28px; right: 28px; bottom: 52px; height: 2px; background: rgba(255,255,255,0.18); }
.console-progress i { display: block; width: 11.11%; height: 100%; background: var(--cyan); transition: width 420ms cubic-bezier(.2,.8,.2,1); }
.chapter-console small { position: absolute; left: 28px; bottom: 20px; color: rgba(255,255,255,0.45); font-family: var(--mono); font-size: 8px; letter-spacing: 0.1em; text-transform: uppercase; }
.console-orbit { position: absolute; width: 210px; height: 210px; right: -70px; top: -60px; border: 1px solid rgba(88,217,255,0.22); border-radius: 50%; animation: orbit-spin 18s linear infinite; }
.console-orbit i { position: absolute; width: 9px; height: 9px; border: 2px solid var(--cyan); border-radius: 50%; background: var(--blue-dark); }
.console-orbit i:nth-child(1) { left: 17px; top: 46px; }
.console-orbit i:nth-child(2) { right: 20px; top: 38px; }
.console-orbit i:nth-child(3) { left: 80px; bottom: -4px; }
.chapter-list { border-top: 1px solid var(--line); }
.chapter-card { position: relative; border-bottom: 1px solid var(--line); }
.chapter-card::before { content: ""; position: absolute; left: -1px; top: 0; bottom: 100%; width: 3px; background: var(--blue); transition: bottom 280ms ease; }
.chapter-card.active::before,
.chapter-card[open]::before { bottom: 0; }
.chapter-card summary {
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: 112px 52px minmax(0, 1fr) 28px;
  align-items: center;
  gap: 18px;
  min-height: 118px;
  padding: 20px 18px 20px 26px;
  transition: background 180ms ease;
}
.chapter-card summary::-webkit-details-marker { display: none; }
.chapter-card summary:hover,
.chapter-card[open] summary { background: var(--ice); }
.chapter-date { color: var(--muted); font-family: var(--mono); font-size: 9px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; }
.chapter-index { color: var(--blue); font-family: var(--mono); font-size: 12px; font-weight: 600; }
.chapter-card summary strong { font-size: clamp(19px, 1.55vw, 27px); line-height: 1.2; }
.chapter-card summary > i { position: relative; width: 24px; height: 24px; border: 1px solid var(--line); border-radius: 50%; }
.chapter-card summary > i::before,
.chapter-card summary > i::after { content: ""; position: absolute; left: 6px; right: 6px; top: 11px; height: 1px; background: var(--blue); transition: transform 180ms ease; }
.chapter-card summary > i::after { transform: rotate(90deg); }
.chapter-card[open] summary > i::after { transform: rotate(0); }
.chapter-copy { padding: 0 60px 34px 208px; }
.chapter-copy p { margin: 0; max-width: 70ch; color: var(--muted); }

.gallery { color: white; background: var(--blue-dark); overflow: hidden; }
.gallery::before {
  content: "";
  position: absolute;
  width: 52vw;
  height: 52vw;
  max-width: 820px;
  max-height: 820px;
  right: -18vw;
  top: 4%;
  border: 1px solid rgba(88,217,255,0.14);
  border-radius: 50%;
}
.gallery-heading {
  position: relative;
  display: grid;
  grid-template-columns: 0.42fr 1.2fr 0.55fr;
  align-items: end;
  gap: 50px;
  margin-bottom: 64px;
}
.gallery-heading .system-label { align-self: start; color: var(--cyan); }
.gallery-heading h2 { font-size: clamp(52px, 5.2vw, 92px); }
.gallery-heading > p:last-child { margin: 0 0 7px; color: rgba(255,255,255,0.62); }
.gallery-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: 105px;
  gap: 16px;
}
.gallery-item {
  position: relative;
  padding: 0;
  border: 0;
  color: white;
  background: #061f4d;
  text-align: left;
  overflow: hidden;
  cursor: zoom-in;
}
.gallery-item:nth-child(1) { grid-column: 1 / 4; grid-row: 2 / 7; }
.gallery-item:nth-child(2) { grid-column: 4 / 9; grid-row: 1 / 6; }
.gallery-item:nth-child(3) { grid-column: 9 / 13; grid-row: 2 / 8; }
.gallery-item:nth-child(4) { grid-column: 2 / 6; grid-row: 7 / 12; }
.gallery-item:nth-child(5) { grid-column: 6 / 11; grid-row: 7 / 12; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 650ms cubic-bezier(.2,.8,.2,1), filter 300ms ease; }
.gallery-item:hover img { transform: scale(1.055); filter: saturate(1.08); }
.gallery-item::after { content: ""; position: absolute; inset: 40% 0 0; background: linear-gradient(transparent, rgba(2,10,24,0.85)); pointer-events: none; }
.gallery-item span { position: absolute; z-index: 2; left: 20px; right: 20px; bottom: 18px; display: grid; gap: 2px; }
.gallery-item b { font-size: 15px; }
.gallery-item small { color: rgba(255,255,255,0.68); font-family: var(--mono); font-size: 8px; letter-spacing: 0.1em; text-transform: uppercase; }

.reflection {
  min-height: 860px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--ink);
  background: var(--white);
  text-align: center;
}
.reflection h2 { max-width: 1300px; margin-top: 25px; font-size: clamp(54px, 6.4vw, 116px); }
.reflection-note { max-width: 56ch; margin: 38px 0 0; color: var(--muted); }
.reflection-line { position: absolute; left: 5vw; right: 5vw; top: 80px; height: 86px; }
.reflection-line::before { content: ""; position: absolute; left: 0; right: 0; top: 42px; height: 1px; background: var(--line); }
.reflection-line i { position: absolute; top: 36px; width: 13px; height: 13px; border: 2px solid var(--blue); border-radius: 50%; background: white; }
.reflection-line i:nth-child(1) { left: 0; }
.reflection-line i:nth-child(2) { left: 25%; }
.reflection-line i:nth-child(3) { left: 50%; background: var(--blue); box-shadow: 0 0 0 9px rgba(7,87,217,0.1); }
.reflection-line i:nth-child(4) { left: 75%; }
.reflection-line i:nth-child(5) { right: 0; }

.contact {
  display: grid;
  grid-template-columns: 0.38fr 1fr 0.82fr;
  align-items: center;
  gap: clamp(40px, 6vw, 100px);
  color: white;
  background: var(--blue);
}
.contact-code {
  color: rgba(255,255,255,0.18);
  font-size: clamp(70px, 8vw, 145px);
  font-weight: 800;
  letter-spacing: -0.07em;
  line-height: 0.62;
  text-align: center;
}
.contact-code span { color: var(--cyan); font-size: 0.4em; }
.contact-copy .system-label { margin-bottom: 18px; color: var(--cyan); }
.contact-copy h2 { font-size: clamp(50px, 5vw, 88px); }
.contact-copy > p:last-child { max-width: 48ch; color: rgba(255,255,255,0.68); }
.contact-links { display: grid; border-top: 1px solid rgba(255,255,255,0.24); }
.contact-links a {
  display: grid;
  grid-template-columns: 92px minmax(0,1fr);
  gap: 20px;
  padding: 23px 0;
  border-bottom: 1px solid rgba(255,255,255,0.24);
  text-decoration: none;
}
.contact-links span { color: var(--cyan); font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase; }
.contact-links strong { min-width: 0; overflow-wrap: anywhere; font-size: 14px; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px max(5vw, 34px);
  color: rgba(255,255,255,0.6);
  background: var(--blue-dark);
  font-family: var(--mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lightbox {
  width: min(1100px, calc(100vw - 30px));
  max-height: calc(100svh - 30px);
  padding: 0;
  border: 0;
  color: white;
  background: #04142c;
  box-shadow: 0 40px 120px rgba(0,0,0,0.45);
}
.lightbox::backdrop { background: rgba(1, 8, 18, 0.88); backdrop-filter: blur(10px); }
.lightbox img { width: 100%; max-height: 78svh; object-fit: contain; background: black; }
.lightbox p { margin: 0; padding: 22px 70px 24px 24px; color: rgba(255,255,255,0.78); }
.lightbox-close { position: fixed; right: 24px; top: 22px; z-index: 3; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,0.4); border-radius: 50%; color: white; background: rgba(4,20,44,0.8); font-size: 28px; line-height: 1; cursor: pointer; }

.reveal { opacity: 0; transform: translateY(34px); transition: opacity 700ms ease, transform 700ms cubic-bezier(.2,.8,.2,1); }
.reveal.visible { opacity: 1; transform: none; }
.education-stop:nth-child(2), .gallery-item:nth-child(2) { transition-delay: 70ms; }
.education-stop:nth-child(3), .gallery-item:nth-child(3) { transition-delay: 140ms; }
.education-stop:nth-child(4), .gallery-item:nth-child(4) { transition-delay: 210ms; }
.education-stop:nth-child(5), .gallery-item:nth-child(5) { transition-delay: 280ms; }

@keyframes copy-in { from { opacity: 0; transform: translateX(-35px); } to { opacity: 1; transform: none; } }
@keyframes visual-in { from { opacity: 0; transform: translateX(45px); } to { opacity: 1; transform: none; } }
@keyframes orbit-spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1220px) {
  .site-header { grid-template-columns: auto 1fr; }
  .top-nav { justify-self: end; }
  .hero { grid-template-columns: 0.9fr 1.1fr; }
  .hero-copy { padding-left: 4vw; }
  .hero-status { left: 4vw; }
  .journey { grid-template-columns: minmax(280px, 0.7fr) minmax(480px, 1.3fr); }
  .chapter-console { display: none; }
  .education-track { overflow-x: auto; padding-bottom: 14px; scrollbar-color: var(--cyan) rgba(255,255,255,0.12); }
  .education-stop { min-width: 230px; }
  .contact { grid-template-columns: 0.3fr 1fr 0.9fr; }
}

@media (max-width: 980px) {
  html { scroll-padding-top: 74px; }
  .site-header { height: 74px; grid-template-columns: 1fr auto; padding: 0 20px; }
  .school-mark strong { display: none; }
  .top-nav { display: none; }
  .menu-toggle {
    justify-self: end;
    width: 60px;
    height: 44px;
    display: grid;
    grid-template-columns: 20px 1fr;
    grid-template-rows: repeat(3, 4px);
    align-content: center;
    align-items: center;
    gap: 3px 8px;
    padding: 8px 0;
    border: 0;
    color: var(--ink);
    background: transparent;
    cursor: pointer;
  }
  .menu-toggle span { display: block; grid-column: 1; width: 20px; height: 1px; background: currentColor; transition: transform 180ms ease, opacity 180ms ease; }
  .menu-toggle b { grid-column: 2; grid-row: 1 / 4; font-family: var(--mono); font-size: 9px; letter-spacing: 0.08em; text-transform: uppercase; }
  .menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(4px) rotate(45deg); }
  .menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-4px) rotate(-45deg); }
  .mobile-menu {
    position: fixed;
    inset: 74px 0 0;
    z-index: 29;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px 26px 70px;
    color: white;
    background: var(--blue-dark);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
    transition: opacity 220ms ease, transform 220ms ease, visibility 220ms;
  }
  .mobile-menu.open { opacity: 1; visibility: visible; transform: none; }
  .mobile-menu a { padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,0.16); font-size: clamp(24px, 6vw, 42px); font-weight: 700; text-decoration: none; }
  .hero { min-height: auto; grid-template-columns: 1fr; }
  .hero::before { width: 100%; height: 55%; right: 0; top: auto; bottom: 0; clip-path: polygon(0 16%, 100% 0, 100% 100%, 0 100%); }
  .hero-copy { padding: 74px 24px 40px; text-align: center; max-width: none; }
  h1 strong { font-size: clamp(96px, 22vw, 164px); }
  .hero-credentials { justify-content: center; }
  .hero-intro { margin-left: auto; margin-right: auto; }
  .hero-visual { min-height: 710px; }
  .hero-visual img { height: 710px; max-width: 90%; }
  .portrait-note { right: 24px; }
  .hero-status { display: none; }
  .molecule-one { right: 10%; top: 54%; }
  .molecule-two { left: 10%; bottom: 10%; }
  .section { padding: 100px 24px; }
  .profile { grid-template-columns: 1fr; gap: 38px; }
  .profile .section-rail { display: none; }
  .skill-board { grid-column: 1; }
  .education-top { grid-template-columns: 1fr; gap: 25px; }
  .experience-heading { grid-template-columns: 1fr; gap: 24px; }
  .experience-deck { grid-template-columns: 1fr; }
  .experience-card { min-height: 500px; }
  .journey { grid-template-columns: 1fr; }
  .journey-intro { position: static; }
  .chapter-list { margin-top: 22px; }
  .gallery-heading { grid-template-columns: 1fr; gap: 22px; }
  .gallery-grid { grid-auto-rows: 88px; }
  .gallery-item:nth-child(1) { grid-column: 1 / 6; grid-row: 1 / 6; }
  .gallery-item:nth-child(2) { grid-column: 6 / 13; grid-row: 1 / 6; }
  .gallery-item:nth-child(3) { grid-column: 1 / 7; grid-row: 6 / 12; }
  .gallery-item:nth-child(4) { grid-column: 7 / 13; grid-row: 6 / 12; }
  .gallery-item:nth-child(5) { grid-column: 3 / 11; grid-row: 12 / 18; }
  .reflection { min-height: 720px; }
  .contact { grid-template-columns: 1fr 1fr; }
  .contact-code { display: none; }
}

@media (max-width: 640px) {
  .school-mark img:first-child { width: 72px; }
  .school-mark img:nth-of-type(2) { width: 34px; height: 34px; }
  .hero-copy { padding-top: 56px; }
  .hero-kicker { margin-bottom: 20px; }
  h1 span { font-size: 16px; }
  h1 strong { font-size: clamp(80px, 26vw, 118px); }
  .hero-intro { font-size: 15px; }
  .hero-visual { min-height: 570px; }
  .hero-visual img { height: 585px; max-width: 104%; }
  .sterile-field { inset: 10% -8% 6%; }
  .portrait-note { right: 14px; bottom: 20px; }
  h2 { font-size: clamp(43px, 12.5vw, 66px); }
  .profile-heading h2,
  .experience-heading h2,
  .journey-intro h2,
  .gallery-heading h2 { font-size: clamp(42px, 12vw, 62px); }
  .skill-board span { flex: 1 1 calc(50% - 10px); text-align: center; }
  .education { padding-left: 20px; padding-right: 20px; }
  .education-top { margin-bottom: 56px; }
  .education-track { grid-template-columns: repeat(5, 230px); }
  .experience-card { min-height: 460px; padding: 32px 26px; }
  .chapter-card summary { grid-template-columns: 1fr 36px; gap: 7px 12px; min-height: 120px; padding: 20px 12px 20px 20px; }
  .chapter-date { grid-column: 1; }
  .chapter-index { grid-column: 1; }
  .chapter-card summary strong { grid-column: 1; font-size: 20px; }
  .chapter-card summary > i { grid-column: 2; grid-row: 1 / 4; align-self: center; }
  .chapter-copy { padding: 0 20px 28px; }
  .gallery-grid { display: grid; grid-template-columns: 1fr; grid-auto-rows: auto; gap: 12px; }
  .gallery-item:nth-child(n) { grid-column: auto; grid-row: auto; aspect-ratio: 4 / 5; }
  .gallery-item:nth-child(2) { aspect-ratio: 4 / 3; }
  .reflection { min-height: 690px; }
  .reflection h2 { font-size: clamp(44px, 12.5vw, 68px); }
  .contact { grid-template-columns: 1fr; gap: 40px; }
  .contact-copy h2 { font-size: clamp(44px, 13vw, 66px); }
  .contact-links a { grid-template-columns: 74px minmax(0, 1fr); }
  footer { flex-direction: column; align-items: flex-start; }
  .lightbox p { padding-right: 24px; }
}