:root {
  color-scheme: light;
  --ink: #071522;
  --ink-2: #0b1d2f;
  --ink-3: #11243a;
  --ink-4: #1a3149;
  --blue: #5f91bf;
  --blue-2: #78b7e8;
  --blue-3: #1d65c1;
  --sky: #eaf6ff;
  --muted: #627486;
  --muted-2: #8393a2;
  --line: rgba(8, 24, 38, 0.12);
  --line-light: rgba(255, 255, 255, 0.14);
  --paper: #ffffff;
  --soft: #f5f8fb;
  --soft-blue: #eef6fc;
  --card: rgba(255, 255, 255, 0.92);
  --radius-xl: 36px;
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --shadow: 0 28px 70px rgba(6, 21, 34, 0.15);
  --shadow-soft: 0 16px 42px rgba(6, 21, 34, 0.09);
  --shadow-blue: 0 18px 44px rgba(56, 139, 203, 0.28);
  --max: 1180px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --fast: 180ms var(--ease);
  --normal: 420ms var(--ease);
  --slow: 760ms var(--ease);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  font-family: Inter, Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll { overflow: hidden; }

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; touch-action: manipulation; }
button:disabled,
[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: .5;
  filter: saturate(.65);
  box-shadow: none !important;
  transform: none !important;
  translate: none !important;
  scale: none !important;
}
[aria-disabled="true"] { pointer-events: none; }
img { max-width: 100%; display: block; }
p, h1, h2, h3, li { overflow-wrap: anywhere; }
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-160%);
  padding: 11px 16px;
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font-weight: 850;
  box-shadow: var(--shadow);
  transition: transform var(--fast);
}
.skip-link:focus { transform: translateY(0); }
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #78b7e8;
  outline-offset: 3px;
}
.site-shell { min-height: 100vh; background: #fff; }

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 50;
  height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 clamp(24px, 5vw, 72px);
  color: #fff;
  transition: background var(--fast), box-shadow var(--fast), height var(--fast), border-color var(--fast);
  background: linear-gradient(180deg, rgba(5, 16, 27, 0.82), rgba(5, 16, 27, 0.06));
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled,
.site-header.force-solid {
  height: 74px;
  background: rgba(7, 21, 34, 0.92);
  backdrop-filter: blur(18px);
  box-shadow: 0 14px 34px rgba(2, 10, 18, 0.24);
  border-color: rgba(255,255,255,.08);
}
.brand { display: inline-flex; flex: 0 1 auto; align-items: center; gap: 14px; min-width: 0; }
.brand-logo { width: 210px; max-width: 100%; height: auto; object-fit: contain; }
.main-nav { display: flex; flex: 0 0 auto; align-items: center; gap: clamp(20px, 2.7vw, 42px); font-size: 13.5px; font-weight: 800; letter-spacing: 0.07em; text-transform: uppercase; }
.main-nav a { position: relative; opacity: 0.88; padding: 14px 0; transition: opacity var(--fast), color var(--fast), transform var(--fast), background var(--fast); }
.main-nav a.is-active { opacity: 1; color: #fff; }
.main-nav a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 5px;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--blue-2));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--normal);
}
.main-nav a.is-active::after { transform: scaleX(1); }
.nav-cta { background: linear-gradient(135deg, #1d65c1, #54b6e8); color: #fff; padding: 12px 19px !important; border-radius: 999px; box-shadow: 0 12px 28px rgba(66, 153, 219, 0.28); }
.nav-cta::after { display: none; }
.mobile-menu-button { display: none; flex: 0 0 46px; width: 46px; height: 46px; border: 0; border-radius: 10px; background: transparent; padding: 8px; cursor: pointer; transition: transform var(--fast), background var(--fast); }
.mobile-menu-button span { display: block; height: 2px; margin: 6px 0; background: #fff; border-radius: 2px; transform-origin: center; transition: transform var(--fast), opacity var(--fast); }
.mobile-menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.mobile-menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.mobile-menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

.app { min-height: 68vh; }
.container { width: min(var(--max), calc(100% - 44px)); margin: 0 auto; }
.narrow { max-width: 940px; }
.home-research-layout > *,
.research-card-grid > *,
.home-split > *,
.topic-row > *,
.prof-card > *,
.cv-grid > *,
.member-grid > *,
.publication-card > *,
.gallery-grid > *,
.contact-grid > *,
.footer-grid > * { min-width: 0; }
.section { padding: clamp(82px, 9vw, 128px) 0; }
.section.compact { padding: clamp(56px, 7vw, 92px) 0; }
.section-kicker { color: var(--blue); text-transform: uppercase; letter-spacing: 0.16em; font-weight: 900; font-size: 12px; margin: 0 0 12px; }
.section-title { margin: 0; font-size: clamp(34px, 4.5vw, 60px); line-height: 1.04; letter-spacing: -0.06em; font-weight: 880; }
.section-title.small-title { font-size: clamp(32px, 3.2vw, 48px); letter-spacing: -0.055em; }
.section-lead { color: #596b7c; max-width: 780px; font-size: clamp(16px, 1.5vw, 19px); margin: 20px 0 0; }
.section-head { display: flex; justify-content: space-between; gap: 34px; align-items: end; margin-bottom: 38px; }
.section-head > * { min-width: 0; }
.section-head .section-lead { margin: 0; }

.btn,
.link-more {
  border: 0;
  min-height: 48px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 22px;
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.04em;
  line-height: 1.25;
  min-width: 0;
  max-width: 100%;
  text-align: center;
  overflow-wrap: anywhere;
  transition: transform var(--fast), box-shadow var(--fast), background var(--fast), color var(--fast), border-color var(--fast);
  white-space: normal;
}
.button-icon {
  width: 1em;
  height: 1em;
  display: inline-grid;
  flex: 0 0 1em;
  place-items: center;
  font-size: 1.15em;
  line-height: 1;
  transform: translate3d(0, -.025em, 0);
  transition: transform var(--fast);
}
.btn.primary,
.link-more {
  color: #fff;
  background: linear-gradient(135deg, #1d65c1, #65c5ef);
  box-shadow: var(--shadow-blue);
}
.btn.ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(10px);
}
.btn.secondary {
  color: var(--ink);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.hero {
  --hero-image: url("assets/hero-concept-from-pdf.png");
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  color: #fff;
  display: flex;
  align-items: center;
  background: #06111e;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 13, 23, 0.90) 0%, rgba(4, 13, 23, 0.66) 45%, rgba(4, 13, 23, 0.22) 100%),
              var(--hero-image) center / cover no-repeat;
  transform: scale(1.025);
  animation: heroZoom 26s ease-in-out infinite alternate;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 45%, rgba(103, 170, 229, 0.34), transparent 18%),
    linear-gradient(90deg, rgba(104, 170, 228, 0.08) 0 1px, transparent 1px 100%),
    linear-gradient(0deg, rgba(104, 170, 228, 0.05) 0 1px, transparent 1px 100%);
  background-size: auto, 68px 68px, 68px 68px;
  mix-blend-mode: screen;
  opacity: 0.55;
  animation: gridMove 19s linear infinite;
}
.hero-particles { position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%; opacity: .78; }
.hero-content {
  position: relative;
  z-index: 3;
  width: min(var(--max), calc(100% - 44px));
  margin: 0 auto;
  padding-top: 80px;
  min-width: 0;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: rgba(234, 246, 255, 0.92);
  font-size: clamp(14px, 1.2vw, 17px);
  font-weight: 820;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-shadow: 0 4px 22px rgba(0,0,0,.38);
  max-width: 100%;
}
.hero-title { margin: 0; font-size: clamp(52px, 7vw, 106px); line-height: 0.9; letter-spacing: -0.08em; font-weight: 900; text-shadow: 0 14px 42px rgba(0, 0, 0, 0.44); }
.hero-title span { display: block; animation: riseIn 1000ms var(--ease) both; }
.hero-title span:nth-child(2) { animation-delay: 120ms; }
.hero-subtitle { margin: 22px 0 0; font-size: clamp(21px, 2.1vw, 32px); font-weight: 780; letter-spacing: -0.035em; }
.hero-copy { max-width: 620px; color: rgba(237, 247, 255, 0.78); font-size: clamp(15px, 1.3vw, 18px); margin: 18px 0 0; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.scroll-indicator { position: absolute; z-index: 4; bottom: 38px; left: clamp(24px, 5vw, 72px); font-size: 11px; letter-spacing: .2em; text-transform: uppercase; color: rgba(255,255,255,.66); display: flex; gap: 12px; align-items: center; }
.scroll-indicator span { width: 1px; height: 42px; background: linear-gradient(#fff, transparent); display: inline-block; animation: scrollLine 1.6s ease-in-out infinite; }

.research-preview { background: linear-gradient(180deg, #fff 0%, #f6f9fc 100%); }
.home-research-layout { display: grid; grid-template-columns: minmax(280px, 360px) minmax(0, 560px); gap: clamp(48px, 5vw, 72px); align-items: start; justify-content: center; }
.home-research-copy .section-title { font-size: clamp(38px, 4.4vw, 64px); }
.research-theme-title { margin: 18px 0 0; font-size: clamp(30px, 3.2vw, 44px); line-height: 1.08; letter-spacing: -0.06em; }
.research-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); grid-auto-rows: 1fr; gap: 18px; padding-top: 31px; }
.research-card { min-height: 100%; display: grid; grid-template-rows: auto minmax(0, 1fr); background: var(--paper); border: 1px solid rgba(8,24,38,.09); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-soft); transition: transform var(--normal), box-shadow var(--normal), border-color var(--normal); }
.research-card img { width: 100%; aspect-ratio: 1.55; object-fit: cover; transition: transform 620ms var(--ease); }
.research-card-body { height: 100%; padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.research-card-body h3 { min-height: 2.24em; margin: 0; font-size: 20px; letter-spacing: -0.04em; line-height: 1.12; }
.research-card-body p { margin: 0; color: var(--muted); font-size: 14px; min-height: 44px; }

.highlight-band { background: radial-gradient(circle at 88% 18%, rgba(120,183,232,.22), transparent 32%), linear-gradient(135deg, #071522, #0b2a42 58%, #123e5e); color: #fff; }
.home-split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.panel { min-height: 448px; display: flex; flex-direction: column; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: var(--radius-lg); padding: clamp(26px, 3vw, 36px); box-shadow: 0 24px 68px rgba(1, 11, 20, 0.22); backdrop-filter: blur(16px); }
.panel .section-kicker { color: #78b7e8; }
.panel h3 { font-size: 30px; line-height: 1.12; margin: 0 0 22px; letter-spacing: -0.04em; }
.publication-list,
.news-list { display: grid; gap: 14px; margin-bottom: 22px; }
.pub-item,
.news-item { width: 100%; min-width: 0; min-height: 86px; border: 1px solid rgba(255,255,255,.13); border-radius: 18px; background: rgba(255,255,255,.10); color: #fff; padding: 16px 18px; text-align: left; overflow-wrap: anywhere; transition: transform var(--fast), background var(--fast), border-color var(--fast), box-shadow var(--fast); }
.pub-item b,
.news-item b { display: block; color: #fff; font-size: 15px; line-height: 1.35; font-weight: 820; text-shadow: 0 1px 16px rgba(0,0,0,.34); }
.pub-item span,
.news-item span { display: block; color: rgba(234,246,255,.76); font-size: 12px; margin-top: 7px; }
.panel .btn { margin-top: auto; align-self: flex-start; }

.sub-hero { --hero-image: url("assets/hero-concept-from-pdf.png"); position: relative; height: 420px; padding: 148px 0 94px; color: #fff; background: #06111e; overflow: hidden; isolation: isolate; }
.sub-hero::before { content: ""; position: absolute; z-index: 0; top: 50%; left: 50%; width: min(1120px, 94vw); aspect-ratio: 1111 / 627; background: var(--hero-image) center / cover no-repeat; opacity: .96; transform: translate(-50%, -50%); -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%), linear-gradient(180deg, transparent 0%, #000 16%, #000 82%, transparent 100%); -webkit-mask-composite: source-in; mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%), linear-gradient(180deg, transparent 0%, #000 16%, #000 82%, transparent 100%); mask-composite: intersect; pointer-events: none; }
.sub-hero::after { content: ""; position: absolute; z-index: 1; inset: 0; background: radial-gradient(circle at 82% 50%, rgba(120,183,232,.22), transparent 28%), linear-gradient(90deg, rgba(5,16,28,.92) 0%, rgba(5,16,28,.70) 35%, rgba(5,16,28,.34) 70%, rgba(6,17,30,.70) 100%); pointer-events: none; }
.sub-hero .container { position: relative; z-index: 2; }
.sub-hero .section-kicker { color: rgba(234,246,255,.78); }
.sub-hero h1 { margin: 0; font-size: clamp(52px, 6.5vw, 82px); line-height: .95; letter-spacing: -0.08em; }
.sub-hero p:not(.section-kicker) { max-width: min(620px, 100%); margin: 16px 0 0; color: rgba(234,246,255,.78); font-size: 16px; line-height: 1.6; }
.single-tab-label { width: min(var(--max), calc(100% - 44px)); margin: -28px auto 0; position: relative; z-index: 5; display: flex; justify-content: center; }
.single-tab-label span { display: inline-flex; align-items: center; justify-content: center; max-width: 100%; min-height: 54px; padding: 10px 30px; border-radius: 999px; background: var(--ink); color: #fff; font-weight: 850; font-size: 14px; line-height: 1.25; text-align: center; box-shadow: var(--shadow-blue); }
.sub-tabs { width: min(var(--max), calc(100% - 44px)); margin: -28px auto 0; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; position: relative; z-index: 5; }
.sub-tab { border: 0; min-width: 0; min-height: 54px; padding: 10px 28px; border-radius: 999px; background: #fff; color: var(--ink); font-weight: 850; line-height: 1.2; box-shadow: var(--shadow-soft); transition: background var(--fast), color var(--fast), transform var(--fast), box-shadow var(--fast); }
.sub-tab.is-active { background: var(--ink); color: #fff; }
.statement-box { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 44px); box-shadow: var(--shadow-soft); margin-bottom: clamp(56px, 7vw, 88px); }
.statement-box h2 { margin: 0 0 12px; font-size: clamp(28px, 3vw, 42px); letter-spacing: -0.05em; }
.statement-box p { margin: 0; color: #526579; font-size: 16px; }
.topic-list { display: grid; gap: clamp(38px, 6vw, 68px); }
.topic-row { display: grid; grid-template-columns: .92fr 1fr; align-items: center; gap: clamp(28px, 5vw, 70px); }
.topic-row:nth-child(even) .topic-image { order: 2; }
.topic-image { overflow: hidden; border-radius: var(--radius-lg); box-shadow: var(--shadow-soft); background: var(--ink); }
.topic-image img { width: 100%; aspect-ratio: 1.75; object-fit: cover; transition: transform 720ms var(--ease); }
.topic-content .num { display: inline-block; color: var(--blue); font-size: clamp(24px, 2.4vw, 34px); font-weight: 900; letter-spacing: -0.02em; margin-bottom: 10px; }
.topic-content h3 { margin: 0; font-size: clamp(32px, 3.2vw, 50px); line-height: 1.02; letter-spacing: -0.06em; }
.topic-content p { color: #5d7082; font-size: 16px; max-width: 560px; }

.prof-card { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: 36px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 44px); box-shadow: var(--shadow-soft); }
.image-display-frame { position: relative; width: 100%; min-width: 0; aspect-ratio: 3 / 4; overflow: hidden; background: linear-gradient(135deg, #f1f6fb, #dbeaf6); }
.image-display-frame img { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; object-fit: contain; object-position: center; transform: translate3d(var(--image-translate-x, 0%), var(--image-translate-y, 0%), 0) scale(var(--image-zoom, 1)); transform-origin: center; user-select: none; -webkit-user-drag: none; }
.prof-photo, .member-photo { align-self: start; border: 1px solid var(--line); border-radius: 24px; }
.prof-info h2 { margin: 0; font-size: clamp(34px, 3.4vw, 52px); line-height: 1.02; letter-spacing: -0.06em; }
.role { color: var(--blue); font-weight: 850; margin: 8px 0 0; }
.department { color: #5c6e80; margin: 4px 0 0; }
.info-pill-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 18px 0 24px; }
.info-pill { display: inline-flex; align-items: center; max-width: 100%; min-height: 44px; padding: 8px 12px; border-radius: 999px; background: #eef6fc; color: #315b7f; font-weight: 760; font-size: 12px; line-height: 1.35; overflow-wrap: anywhere; transition: background var(--fast), color var(--fast), transform var(--fast); }
.cv-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; border-top: 1px solid var(--line); padding-top: 24px; }
.cv-grid h3 { margin: 0 0 10px; font-size: 15px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-4); }
.cv-grid ul { padding-left: 18px; margin: 0; color: #5b6d7e; font-size: 14px; }
.member-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.member-card { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 24px; min-width: 0; min-height: 290px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-soft); transition: transform var(--normal), box-shadow var(--normal), border-color var(--normal); }
.member-card h3 { margin: 0; font-size: 25px; letter-spacing: -0.04em; }
.member-card p { margin: 12px 0 0; color: #5f7081; font-size: 14px; }
.alumni-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.alumni-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md); padding: 22px; box-shadow: var(--shadow-soft); transition: transform var(--normal), box-shadow var(--normal); }
.alumni-card .date { color: var(--blue); font-size: 13px; font-weight: 850; letter-spacing: .05em; }
.alumni-card h3 { margin: 8px 0 8px; font-size: 22px; letter-spacing: -.04em; }
.alumni-card p { color: var(--muted); margin: 0; font-size: 14px; }

.publication-filter-block { min-width: 0; margin-bottom: 18px; }
.publication-filter-label { margin: 0 0 10px; color: #526579; font-size: 12px; font-weight: 850; letter-spacing: .08em; text-transform: uppercase; }
.publication-year-filters { display: flex; flex-wrap: wrap; gap: 8px; min-width: 0; max-width: 100%; padding: 3px; }
.publication-year-filters::-webkit-scrollbar { height: 4px; }
.publication-year-filters::-webkit-scrollbar-track { background: transparent; }
.publication-year-filters::-webkit-scrollbar-thumb { border-radius: 999px; background: rgba(82, 101, 121, .32); }
.publication-year-filter { flex: 0 0 auto; min-width: 58px; min-height: 44px; padding: 8px 16px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: #526579; font-size: 13px; font-weight: 850; line-height: 1; white-space: nowrap; box-shadow: 0 7px 18px rgba(10, 54, 86, .07); touch-action: manipulation; transition: color var(--fast), background var(--fast), border-color var(--fast), box-shadow var(--fast), transform var(--fast); }
.publication-year-filter[aria-pressed="true"] { border-color: var(--ink); background: var(--ink); color: #fff; box-shadow: 0 10px 24px rgba(7, 21, 34, .18); }
.publication-controls { display: flex; align-items: center; gap: 14px; margin-bottom: 10px; }
.search-input { width: min(420px, 100%); border: 1px solid var(--line); background: #fff; border-radius: 999px; min-height: 52px; padding: 0 22px; box-shadow: var(--shadow-soft); color: var(--ink); outline: none; }
.publication-result-summary { margin: 0 0 28px; color: #627486; font-size: 13px; font-weight: 760; }
.publication-year-sections { display: grid; gap: clamp(46px, 6vw, 68px); min-width: 0; }
.publication-year-section { min-width: 0; }
.publication-year-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; min-width: 0; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid rgba(8, 24, 38, .14); }
.publication-year-heading h2 { margin: 0; color: var(--ink); font-size: clamp(30px, 3.4vw, 42px); line-height: 1; letter-spacing: -.055em; }
.publication-year-heading span { flex: 0 0 auto; color: #627486; font-size: 12px; font-weight: 800; letter-spacing: .04em; }
.publication-stack { display: grid; gap: 16px; }
.publication-card { position: relative; display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 22px; min-width: 0; padding: 24px; border-radius: var(--radius-md); background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-soft); transition: transform var(--normal), box-shadow var(--normal), border-color var(--normal); }
.publication-card-content { min-width: 0; }
.publication-card.has-external-link .publication-card-content { padding-right: 50px; }
.publication-external-link { position: absolute; right: 18px; bottom: 18px; z-index: 1; display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid rgba(49, 127, 196, .22); border-radius: 14px; background: #eef6fc; color: var(--blue); box-shadow: 0 8px 20px rgba(24, 83, 128, .10); transition: color var(--fast), background var(--fast), border-color var(--fast), box-shadow var(--fast), transform var(--fast); }
.publication-external-link svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.year-badge { width: 68px; min-height: 68px; border-radius: 18px; display: flex; flex-direction: column; align-items: center; justify-content: center; background: linear-gradient(135deg, #0b1d2f, #1b638e); color: #fff; font-weight: 900; letter-spacing: -0.02em; box-shadow: 0 12px 26px rgba(10, 54, 86, 0.24); }
.year-badge small { display: block; font-size: 10px; font-weight: 800; letter-spacing: .08em; opacity: .72; }
.publication-card h3 { margin: 0; font-size: 20px; letter-spacing: -0.035em; line-height: 1.32; }
.publication-card p { margin: 7px 0 0; color: #5a6d7f; font-size: 14px; }
.publication-card .note { display: inline-flex; max-width: 100%; margin-top: 12px; padding: 5px 10px; border-radius: 999px; background: #eef6fc; color: #2f638e; font-size: 12px; font-weight: 800; overflow-wrap: anywhere; }
.empty-state { width: 100%; padding: clamp(28px, 5vw, 48px); border: 1px dashed rgba(95,145,191,.38); border-radius: var(--radius-md); background: var(--soft-blue); color: var(--muted); text-align: center; }
.empty-state strong { display: block; color: var(--ink); font-size: 18px; }
.empty-state p { margin: 6px 0 0; }

.gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.gallery-grid .empty-state { grid-column: 1 / -1; }
.gallery-card { width: 100%; min-width: 0; height: 100%; display: grid; grid-template-rows: auto minmax(0, 1fr); border: 1px solid var(--line); background: #fff; border-radius: var(--radius-lg); padding: 0; overflow: hidden; text-align: left; overflow-wrap: anywhere; box-shadow: var(--shadow-soft); transition: transform var(--normal), box-shadow var(--normal), border-color var(--normal); }
.gallery-card-media { border-bottom: 1px solid var(--line); }
.gallery-card-body { height: 100%; display: flex; flex-direction: column; padding: 22px; }
.gallery-date { color: var(--blue); font-weight: 850; font-size: 12px; letter-spacing: .08em; }
.gallery-card h3 { margin: 8px 0; font-size: 23px; letter-spacing: -0.045em; line-height: 1.18; }
.gallery-card p { margin: 0; color: var(--muted); font-size: 14px; }

.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 24px; align-items: stretch; }
.contact-card, .map-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(28px, 4vw, 42px); box-shadow: var(--shadow-soft); }
.contact-card h2 { margin: 0 0 24px; font-size: clamp(34px, 3.5vw, 50px); letter-spacing: -0.06em; }
.contact-row { display: grid; grid-template-columns: 96px 1fr; gap: 18px; border-top: 1px solid var(--line); padding: 18px 0; }
.contact-row strong { color: var(--blue); font-size: 12px; text-transform: uppercase; letter-spacing: .12em; }
.contact-row span { min-width: 0; color: #4d6072; font-size: 15px; overflow-wrap: anywhere; }
.map-card { padding: 0; overflow: hidden; min-height: 420px; background: linear-gradient(135deg, #071522, #123e5e); display: flex; }
.map-card iframe, .map-card img { width: 100%; min-height: 420px; border: 0; object-fit: cover; }
.map-fallback { width: 100%; display: flex; align-items: center; justify-content: center; padding: 42px; color: #fff; text-align: center; background: radial-gradient(circle at 70% 30%, rgba(120,183,232,.26), transparent 34%), linear-gradient(135deg, #071522, #123e5e); }
.map-fallback h3 { margin: 0; font-size: 28px; letter-spacing: -.04em; }
.map-fallback p { margin: 10px 0 0; color: rgba(234,246,255,.74); }

.site-footer { background: #06111e; color: #d7e7f2; padding: 52px 22px 34px; }
.footer-inner { width: min(var(--max), 100%); margin: 0 auto; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1.5fr .8fr; gap: 46px; align-items: start; padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,.10); }
.footer-logo { width: 168px; height: auto; object-fit: contain; margin-bottom: 16px; }
.footer-grid h3 { margin: 0 0 10px; font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: #fff; }
.footer-grid p { margin: 0; color: rgba(215,231,242,.78); font-size: 14px; overflow-wrap: anywhere; }
.footer-email-block { width: 100%; text-align: right; }
.footer-email-block a { display: inline-block; max-width: 100%; }
.copyright { margin: 24px 0 0; color: rgba(215,231,242,.58); font-size: 12px; }

.modal, .lightbox { position: fixed; inset: 0; z-index: 200; display: none; }
.modal.is-open, .lightbox.is-open { display: block; }
.modal-backdrop, .lightbox-backdrop { position: absolute; inset: 0; background: rgba(2, 8, 14, 0.72); backdrop-filter: blur(10px); }
.modal-panel { position: relative; width: min(760px, calc(100% - 34px)); max-height: calc(100vh - 70px); max-height: calc(100dvh - 70px); overflow: auto; overscroll-behavior: contain; margin: 6vh auto; background: #fff; border-radius: 30px; box-shadow: 0 32px 90px rgba(0,0,0,.36); padding: 34px; animation: modalIn var(--normal) both; }
.modal-panel img { width: 100%; max-height: 420px; object-fit: cover; border-radius: 22px; margin-bottom: 22px; }
.modal-close { border: 0; position: absolute; right: 18px; top: 18px; z-index: 10; width: 48px; height: 48px; display: grid; place-items: center; padding: 0; border-radius: 50%; background: rgba(255,255,255,.94); color: var(--ink); font-size: 28px; line-height: 1; box-shadow: var(--shadow-soft); transition: transform var(--fast), background var(--fast), box-shadow var(--fast), opacity var(--fast); }
.lightbox-dialog { position: relative; width: min(1180px, calc(100% - 38px)); height: min(86vh, 820px); height: min(86dvh, 820px); margin: 7vh auto; display: grid; place-items: center; animation: lightboxIn var(--normal) both; }
.lightbox-figure { margin: 0; width: 100%; height: 100%; min-width: 0; min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 330px); gap: 22px; align-items: stretch; }
.lightbox-media { position: relative; min-width: 0; min-height: 0; height: 100%; display: grid; place-items: center; overflow: hidden; background: #03070c; border-radius: 28px; box-shadow: 0 32px 90px rgba(0,0,0,.4); }
.lightbox-figure img { position: absolute; inset: 0; width: 100%; height: 100%; min-width: 0; min-height: 0; max-width: 100%; max-height: 100%; object-fit: contain; object-position: center; }
.lightbox-figure figcaption { min-width: 0; background: rgba(255,255,255,.94); border-radius: 28px; padding: 30px; align-self: end; max-height: 100%; overflow: auto; overscroll-behavior: contain; overflow-wrap: anywhere; box-shadow: var(--shadow); }
.lightbox-figure figcaption span { display: inline-flex; margin-bottom: 14px; color: var(--blue); font-weight: 850; letter-spacing: .12em; font-size: 12px; }
.lightbox-figure h2 { margin: 0; font-size: 30px; line-height: 1.12; letter-spacing: -.05em; }
.lightbox-figure p { color: #5a6d7f; word-break: keep-all; }
.lightbox-close { border: 1px solid rgba(255,255,255,.22); position: absolute; right: 12px; top: 12px; z-index: 8; width: 34px; height: 34px; padding: 0; border-radius: 50%; background: rgba(3,12,20,.38); color: #fff; box-shadow: 0 5px 16px rgba(0,0,0,.18); backdrop-filter: blur(7px); opacity: .86; transition: transform var(--fast), background var(--fast), border-color var(--fast), box-shadow var(--fast), opacity var(--fast); }
.lightbox-close::before,
.lightbox-close::after { content: ""; position: absolute; left: 50%; top: 50%; width: 13px; height: 1.5px; border-radius: 999px; background: currentColor; transform-origin: center; }
.lightbox-close::before { transform: translate(-50%, -50%) rotate(45deg); }
.lightbox-close::after { transform: translate(-50%, -50%) rotate(-45deg); }
.lightbox-nav { position: absolute; inset-block: 0; z-index: 6; width: 36px; height: 36px; margin-block: auto; display: grid; place-items: center; padding: 0; border: 1px solid rgba(255,255,255,.24); border-radius: 50%; background: rgba(4,16,27,.34); color: rgba(255,255,255,.92); font-size: 0; line-height: 1; backdrop-filter: blur(7px); opacity: .82; transition: background var(--fast), transform var(--fast), opacity var(--fast), border-color var(--fast); }
.lightbox-nav-icon { width: 8px; height: 12px; display: block; overflow: visible; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.lightbox-nav:disabled { transform: none !important; }
.lightbox-nav.prev { left: 12px; }
.lightbox-nav.next { right: 12px; }
.lightbox-close:focus-visible,
.lightbox-nav:focus-visible { outline-width: 2px; outline-offset: 2px; }

.reveal { opacity: 0; transform: translateY(24px); transition: opacity var(--slow), transform var(--slow), translate var(--normal), scale var(--fast), box-shadow var(--normal), border-color var(--normal); }
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal:nth-child(2) { transition-delay: 70ms, 70ms, 0ms, 0ms, 0ms, 0ms; }
.reveal:nth-child(3) { transition-delay: 120ms, 120ms, 0ms, 0ms, 0ms, 0ms; }
.reveal:nth-child(4) { transition-delay: 170ms, 170ms, 0ms, 0ms, 0ms, 0ms; }

@keyframes heroZoom { from { transform: scale(1.025) translate3d(0,0,0); } to { transform: scale(1.085) translate3d(-1.4%, -1%, 0); } }
@keyframes gridMove { from { background-position: center, 0 0, 0 0; } to { background-position: center, 68px 0, 0 68px; } }
@keyframes riseIn { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: translateY(0); } }
@keyframes scrollLine { 0%, 100% { transform: scaleY(.5); opacity: .45; } 50% { transform: scaleY(1); opacity: 1; } }
@keyframes modalIn { from { opacity: 0; transform: translateY(18px) scale(.96); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes lightboxIn { from { opacity: 0; transform: scale(.96); } to { opacity: 1; transform: scale(1); } }

@media (hover: hover) and (pointer: fine) {
  .main-nav a:hover { opacity: 1; color: #fff; transform: translateY(-1px); }
  .main-nav a:hover::after { transform: scaleX(1); }
  .mobile-menu-button:not(:disabled):hover { background: rgba(255,255,255,.10); }
  .btn:not(:disabled):hover,
  .link-more:not(:disabled):hover { transform: translateY(-2px); box-shadow: 0 22px 48px rgba(49, 127, 196, 0.32); }
  .btn.ghost:not(:disabled):hover { background: rgba(255,255,255,.18); }
  .btn:not(:disabled):hover .button-icon,
  .link-more:not(:disabled):hover .button-icon { transform: translate3d(3px, -.025em, 0); }
  .research-card:hover { translate: 0 -8px; box-shadow: var(--shadow); border-color: rgba(95,145,191,.34); }
  .research-card:hover img { transform: scale(1.045); }
  .pub-item:not(:disabled):hover,
  .news-item:not(:disabled):hover { transform: translateY(-2px); background: rgba(255,255,255,.15); border-color: rgba(120,183,232,.45); box-shadow: 0 14px 32px rgba(0,0,0,.12); }
  .sub-tab:not(:disabled):hover { background: var(--ink); color: #fff; transform: translateY(-1px); }
  .publication-year-filter:not([aria-pressed="true"]):hover { border-color: rgba(49, 127, 196, .34); background: #eef6fc; color: #245b85; transform: translateY(-1px); box-shadow: 0 10px 24px rgba(24, 83, 128, .12); }
  .topic-row:hover .topic-image img { transform: scale(1.035); }
  .member-card:hover { translate: 0 -6px; box-shadow: var(--shadow); border-color: rgba(95,145,191,.32); }
  .alumni-card:hover { translate: 0 -4px; box-shadow: var(--shadow); }
  .publication-card:hover { translate: 0 -4px; box-shadow: var(--shadow); border-color: rgba(95,145,191,.26); }
  .publication-external-link:hover { color: #fff; background: var(--blue); border-color: var(--blue); box-shadow: 0 12px 26px rgba(24, 83, 128, .24); transform: translateY(-2px); }
  .gallery-card:not(:disabled):hover { translate: 0 -8px; box-shadow: var(--shadow); border-color: rgba(95,145,191,.34); }
  .info-pill:hover { background: #e2f1fc; color: #174f7a; }
  .modal-close:not(:disabled):hover { transform: scale(1.06); background: #fff; box-shadow: 0 18px 44px rgba(0,0,0,.2); }
  .lightbox-close:not(:disabled):hover { transform: scale(1.04); background: rgba(3,12,20,.62); border-color: rgba(255,255,255,.42); box-shadow: 0 7px 20px rgba(0,0,0,.24); opacity: 1; }
  .lightbox-nav:not(:disabled):hover { background: rgba(4,16,27,.56); border-color: rgba(255,255,255,.42); transform: scale(1.04); opacity: 1; }
}

.main-nav a:active { transform: scale(.98); }
.btn:not(:disabled):active,
.link-more:not(:disabled):active,
.mobile-menu-button:not(:disabled):active,
.sub-tab:not(:disabled):active,
.modal-close:not(:disabled):active {
  transform: translateY(0) scale(.97);
  transition-duration: 80ms;
}
.lightbox-close:not(:disabled):active {
  transform: scale(.94);
  transition-duration: 80ms;
}
.pub-item:not(:disabled):active,
.news-item:not(:disabled):active { transform: scale(.99); transition-duration: 80ms; }
.publication-external-link:active { transform: translateY(0) scale(.95); transition-duration: 80ms; }
.publication-year-filter:active { transform: translateY(0) scale(.96); transition-duration: 80ms; }
.gallery-card:not(:disabled):active { translate: none; scale: .99; transition-duration: 80ms; }
.lightbox-nav:not(:disabled):active { transform: scale(.92); transition-duration: 80ms; }
.info-pill:active { transform: scale(.98); transition-duration: 80ms; }

@media (max-width: 1040px) {
  .site-header { height: 74px; padding: 0 22px; }
  .brand-logo { width: 168px; }
  .mobile-menu-button { display: block; }
  .main-nav {
    position: fixed;
    top: 74px;
    left: 16px;
    right: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - 90px);
    max-height: calc(100dvh - 90px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 18px;
    border: 1px solid rgba(255,255,255,.10);
    border-radius: 22px;
    background: rgba(7, 21, 34, .97);
    box-shadow: var(--shadow);
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { min-height: 48px; padding: 14px 10px; }
  .nav-cta { text-align: center; margin-top: 8px; }
}

@media (max-width: 1120px) {
  .research-card-grid { width: min(100%, 560px); grid-template-columns: repeat(2, minmax(0,1fr)); justify-self: center; padding-top: 0; }
  .home-research-layout { grid-template-columns: 1fr; }
  .member-grid, .home-split, .contact-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .lightbox-figure { grid-template-columns: 1fr; grid-template-rows: minmax(0, 1fr) auto; }
  .lightbox-dialog { height: min(90vh, 840px); height: min(90dvh, 840px); margin-top: 5vh; }
  .lightbox-figure figcaption { max-height: 240px; }
}
@media (max-width: 860px) {
  .research-card-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .section-head { display: block; }
  .section-head .section-lead { margin-top: 18px; }
  .hero-title { font-size: clamp(46px, 14vw, 76px); }
  .hero-actions { gap: 10px; }
  .topic-row, .topic-row:nth-child(even) { grid-template-columns: 1fr; }
  .topic-row:nth-child(even) .topic-image { order: 0; }
  .prof-card { grid-template-columns: 1fr; }
  .prof-photo { width: min(280px, 100%); }
  .cv-grid { grid-template-columns: 1fr; }
  .member-card { grid-template-columns: 1fr; }
  .member-photo { width: min(170px, 100%); }
  .alumni-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
}
@media (max-width: 620px) {
  html { scroll-padding-top: 78px; }
  .container { width: min(calc(100% - 30px), var(--max)); }
  .section { padding: 72px 0; }
  .section.compact { padding: 58px 0 72px; }
  .section-title { font-size: clamp(32px, 10vw, 44px); line-height: 1.08; }
  .section-title.small-title { font-size: clamp(30px, 9vw, 40px); }
  .hero-content { width: calc(100% - 30px); padding-top: 70px; }
  .hero-label { gap: 8px; font-size: 13px; letter-spacing: .08em; line-height: 1.35; }
  .hero-title { font-size: clamp(44px, 13.5vw, 64px); line-height: .94; }
  .hero-subtitle { font-size: clamp(20px, 6vw, 26px); line-height: 1.25; }
  .hero-actions > .btn { flex: 1 1 140px; padding-inline: 16px; }
  .scroll-indicator { left: 15px; bottom: 24px; }
  .sub-hero { height: 390px; padding: 128px 0 76px; }
  .sub-hero h1 { font-size: clamp(46px, 14vw, 64px); line-height: 1; }
  .single-tab-label,
  .sub-tabs { width: calc(100% - 30px); }
  .sub-tabs { display: grid; grid-template-columns: repeat(auto-fit, minmax(88px, 1fr)); gap: 8px; }
  .sub-tab { width: 100%; min-height: 52px; padding: 9px 8px; font-size: 14px; }
  .statement-box,
  .prof-card,
  .member-card,
  .alumni-card,
  .publication-card,
  .contact-card { padding: 22px; }
  .topic-content h3 { font-size: clamp(30px, 9vw, 42px); line-height: 1.08; }
  .prof-info h2 { font-size: clamp(32px, 10vw, 44px); line-height: 1.08; }
  .info-pill-row { align-items: stretch; }
  .info-pill { border-radius: 14px; }
  .research-card-grid { width: min(100%, 420px); grid-template-columns: 1fr; }
  .gallery-grid, .alumni-grid { grid-template-columns: 1fr; }
  .publication-year-filters { flex-wrap: nowrap; overflow-x: auto; overscroll-behavior-inline: contain; padding: 4px 3px 10px; scrollbar-width: thin; -webkit-overflow-scrolling: touch; }
  .publication-year-heading { gap: 12px; margin-bottom: 15px; }
  .publication-card { grid-template-columns: 1fr; gap: 16px; }
  .publication-card.has-external-link .publication-card-content { padding-right: 48px; }
  .year-badge { width: 72px; min-height: 56px; flex-direction: row; gap: 4px; }
  .contact-row { grid-template-columns: 1fr; gap: 6px; }
  .map-card,
  .map-card iframe,
  .map-card img { min-height: 320px; }
  .map-fallback { padding: 28px 22px; }
  .site-footer { padding-inline: 15px; }
  .modal-panel { width: calc(100% - 24px); max-height: calc(100vh - 24px); max-height: calc(100dvh - 24px); margin: 12px auto; padding: 22px; border-radius: 24px; }
  .modal-close { right: 10px; top: 10px; }
  .lightbox-dialog { width: calc(100% - 16px); height: calc(100vh - 16px); height: calc(100dvh - 16px); margin: 8px auto; }
  .lightbox-media { border-radius: 22px; }
  .lightbox-figure figcaption { max-height: min(38vh, 260px); max-height: min(38dvh, 260px); border-radius: 22px; padding: 20px; }
  .lightbox-figure h2 { font-size: 25px; line-height: 1.18; }
  .lightbox-close { right: 10px; top: 10px; width: 32px; height: 32px; }
  .lightbox-nav { width: 36px; height: 36px; font-size: 0; }
  .lightbox-nav.prev { left: 10px; }
  .lightbox-nav.next { right: 10px; }
}
@media (max-width: 480px) {
  .hero-actions > .btn { flex-basis: 100%; width: 100%; }
  .scroll-indicator { display: none; }
}
@media (max-width: 400px) {
  .site-header { padding-inline: 15px; }
  .brand-logo { width: 152px; }
  .main-nav { left: 10px; right: 10px; }
  .sub-tab { font-size: 13px; }
  .gallery-card-body { padding: 18px; }
}
@media (max-height: 700px) and (max-width: 1040px) {
  .hero { align-items: flex-start; }
  .hero-content { padding-top: 122px; padding-bottom: 54px; }
  .scroll-indicator { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
  .main-nav a,
  .mobile-menu-button,
  .btn,
  .link-more,
  .button-icon,
  .research-card,
  .research-card img,
  .pub-item,
  .news-item,
  .sub-tab,
  .publication-year-filter,
  .topic-image img,
  .member-card,
  .alumni-card,
  .publication-card,
  .publication-external-link,
  .gallery-card,
  .info-pill,
  .modal-close,
  .lightbox-close { transform: none !important; }
  .research-card,
  .member-card,
  .alumni-card,
  .publication-card,
  .gallery-card { translate: none !important; scale: none !important; }
  .lightbox-nav { transform: none !important; }
}