/* Self-hosted fonts (no third-party requests) — SIL Open Font License, see assets/fonts/ */
@font-face{font-family:"Fraunces";font-style:normal;font-weight:100 900;font-display:swap;src:url(/assets/fonts/fraunces-latin-opsz-normal.woff2) format("woff2-variations"),url(/assets/fonts/fraunces-latin-opsz-normal.woff2) format("woff2");}
@font-face{font-family:"Fraunces";font-style:italic;font-weight:100 900;font-display:swap;src:url(/assets/fonts/fraunces-latin-opsz-italic.woff2) format("woff2-variations"),url(/assets/fonts/fraunces-latin-opsz-italic.woff2) format("woff2");}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:400;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-latin-400-normal.woff2) format("woff2");}
@font-face{font-family:"IBM Plex Sans";font-style:italic;font-weight:400;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-latin-400-italic.woff2) format("woff2");}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:500;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-latin-500-normal.woff2) format("woff2");}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:600;font-display:swap;src:url(/assets/fonts/ibm-plex-sans-latin-600-normal.woff2) format("woff2");}

/* Subhajit Dutta — site stylesheet
   Layout: long-scroll pages, left-aligned measure, hairline rows for lists,
   one visual moment per page (home: live director field + portrait). */

:root {
  --bg: #0B1221;
  --bg-2: #111A2E;
  --bg-3: #172238;
  --fg: #E9EDF5;
  --fg-2: #AAB4C8;
  --fg-3: #6F7C96;
  --line: #233049;
  --accent: #5CC4CF;
  --accent-2: #E3A95B;
  --accent-ink: #0B1221;
  --ok: #8BCF8B;
  --err: #E27A77;
  --field: #5CC4CF;
  --field-dim: #2B4260;
  --shadow: 0 24px 60px rgba(0,0,0,.45);
  --display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #F4F6FA; --bg-2: #FFFFFF; --bg-3: #E9EDF4; --fg: #0E1627; --fg-2: #46536B; --fg-3: #7C8699;
    --line: #D7DDE8; --accent: #1F7F8A; --accent-2: #B8731F; --accent-ink: #FFFFFF;
    --ok: #2E8B57; --err: #B64342; --field: #1F7F8A; --field-dim: #C6D0DF;
    --shadow: 0 24px 60px rgba(14,22,39,.12); color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #F4F6FA; --bg-2: #FFFFFF; --bg-3: #E9EDF4; --fg: #0E1627; --fg-2: #46536B; --fg-3: #7C8699;
  --line: #D7DDE8; --accent: #1F7F8A; --accent-2: #B8731F; --accent-ink: #FFFFFF;
  --ok: #2E8B57; --err: #B64342; --field: #1F7F8A; --field-dim: #C6D0DF;
  --shadow: 0 24px 60px rgba(14,22,39,.12); color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--body); font-size: 1.0625rem; line-height: 1.6; -webkit-font-smoothing: antialiased; }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--bg); }
a { color: inherit; text-decoration-color: var(--fg-3); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--accent); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3, h4 { font-family: var(--display); font-weight: 500; letter-spacing: -0.015em; text-wrap: balance; margin: 0; }
p { margin: 0; }
img { max-width: 100%; height: auto; display: block; }
button { font: inherit; }
[hidden] { display: none !important; }

.wrap { width: 100%; max-width: 1120px; margin-inline: auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
@media (min-width: 760px) { .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }
.measure { max-width: 64ch; }
.muted { color: var(--fg-2); }
.small { font-size: 0.9375rem; }

/* ---------- Navigation: two-tier branded header ---------- */
.nav { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.4) blur(16px); -webkit-backdrop-filter: saturate(1.4) blur(16px); border-bottom: 1px solid var(--line); }
.nav-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; min-width: 0; }
.brand-mark { flex: none; width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font-family: var(--display); font-weight: 600; font-size: 1.05rem; letter-spacing: -0.03em; color: #fff; background: radial-gradient(120% 120% at 20% 15%, #5CE1E6 0%, #2a7f9a 45%, #7b2f86 100%); box-shadow: 0 6px 18px -6px rgba(92,196,207,.6), inset 0 0 0 1px rgba(255,255,255,.18); }
.brand-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.15; }
.brand-name { font-family: var(--display); font-size: 1.25rem; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap; color: var(--fg); }
.brand-sub { font-size: 0.75rem; color: var(--fg-3); letter-spacing: 0.04em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-right { display: flex; align-items: center; gap: 10px; }
.social { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.soc { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; color: var(--fg-2); border: 1px solid var(--line); background: color-mix(in srgb, var(--bg-2) 60%, transparent); transition: color .18s, background .18s, border-color .18s, transform .18s; }
.soc svg { width: 17px; height: 17px; }
.soc:hover { transform: translateY(-1px); color: #fff; border-color: transparent; }
.soc-orcid:hover { background: #A6CE39; }
.soc-linkedin:hover { background: #0A66C2; }
.soc-x:hover { background: #111; }
.soc-email:hover { background: var(--accent); color: var(--accent-ink); }
.nav-right .icon-btn { margin-left: 4px; }
.nav-tabs { border-top: 1px solid color-mix(in srgb, var(--line) 70%, transparent); }
.tabs { display: flex; gap: 2px; list-style: none; margin: 0 -10px; padding: 0; font-size: 0.9375rem; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.tabs::-webkit-scrollbar { display: none; }
.tabs li { flex: none; }
.tabs a { display: block; padding: 12px 12px 11px; text-decoration: none; color: var(--fg-2); position: relative; white-space: nowrap; transition: color .15s; }
.tabs a:hover { color: var(--fg); }
.tabs a[aria-current="page"] { color: var(--fg); font-weight: 500; }
.tabs a[aria-current="page"]::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 0; height: 2px; background: linear-gradient(90deg, #5CC4CF, #C25BC0); border-radius: 2px; }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: transparent; color: var(--fg-2); cursor: pointer; }
.icon-btn:hover { color: var(--fg); border-color: var(--fg-3); }
.icon-btn svg { width: 18px; height: 18px; }
@media (max-width: 899px) { .brand-sub { display: none; } }
@media (max-width: 560px) {
  .nav-top { height: 58px; gap: 10px; }
  .brand-mark { width: 34px; height: 34px; border-radius: 10px; font-size: 0.95rem; }
  .brand-name { font-size: 1.0625rem; }
  .social { gap: 4px; }
  .soc, .nav-right .icon-btn { width: 32px; height: 32px; }
  .soc svg { width: 15px; height: 15px; }
  .nav-right { gap: 4px; }
  .tabs { font-size: 0.875rem; -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent); mask-image: linear-gradient(90deg, #000 88%, transparent); }
  .tabs a { padding: 10px 10px 9px; }
  .tabs a[aria-current="page"]::after { left: 10px; right: 10px; }
}
@media (max-width: 370px) { .brand-name { display: none; } }

/* ---------- Buttons & chips ---------- */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; border-radius: 999px; font-size: 0.9375rem; font-weight: 500; text-decoration: none; border: 1px solid var(--line); color: var(--fg); background: transparent; cursor: pointer; }
.btn:hover { border-color: var(--fg-3); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.sm { padding: 6px 12px; font-size: 0.8125rem; }
.btn svg { width: 16px; height: 16px; }
.btn[disabled] { opacity: 0.6; cursor: default; }
.chip { font-size: 0.875rem; padding: 7px 14px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--fg-2); cursor: pointer; }
.chip:hover { border-color: var(--fg-3); color: var(--fg); }
.chip[aria-pressed="true"] { background: var(--fg); color: var(--bg); border-color: var(--fg); }
.chip .n { opacity: 0.6; margin-left: 6px; font-variant-numeric: tabular-nums; }

/* ---------- Page header (inner pages) ---------- */
.page-head { padding-block: clamp(40px, 7vw, 80px) clamp(28px, 4vw, 44px); }
.page-head h1 { font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1; letter-spacing: -0.03em; font-variation-settings: "opsz" 144; }
.page-head .lede { margin-top: 18px; color: var(--fg-2); max-width: 62ch; font-size: 1.125rem; }

/* ---------- Sections ---------- */
.section { padding-block: clamp(48px, 8vw, 96px); border-top: 1px solid var(--line); }
.section.flush { border-top: 0; padding-top: 0; }
.section-head { display: grid; grid-template-columns: 1fr; gap: 12px 48px; margin-bottom: clamp(28px, 4vw, 48px); }
@media (min-width: 900px) { .section-head { grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); align-items: end; } }
.section h2 { font-size: clamp(1.875rem, 4vw, 2.75rem); line-height: 1.05; font-variation-settings: "opsz" 96; }
.section-intro { color: var(--fg-2); max-width: 60ch; }
.section-foot { margin-top: 28px; }

/* ---------- Home hero: always-dark microscopy field ---------- */
.hero { position: relative; overflow: hidden; background: radial-gradient(120% 90% at 75% 40%, #0d1a2e 0%, #060b16 60%, #03060d 100%); color: #EEF3FA; isolation: isolate; }
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: -2; }
.hero-shade { position: absolute; inset: 0; pointer-events: none; z-index: -1; background: linear-gradient(90deg, rgba(3,6,13,.92) 0%, rgba(3,6,13,.72) 38%, rgba(3,6,13,.15) 70%, rgba(3,6,13,0) 100%), linear-gradient(180deg, rgba(3,6,13,0) 70%, rgba(3,6,13,.6) 100%); }
.hero-grid { position: relative; padding-block: clamp(56px, 9vw, 120px) clamp(28px, 4vw, 48px); display: grid; grid-template-columns: 1fr; gap: 40px; align-items: center; }
@media (min-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); } }
.eyebrow { margin: 0 0 18px; font-size: 0.8125rem; letter-spacing: 0.14em; text-transform: uppercase; color: #8FE3E8; }
.hero h1 { font-size: clamp(3rem, 9vw, 6.5rem); font-weight: 600; line-height: 0.95; letter-spacing: -0.035em; font-variation-settings: "opsz" 144; max-width: 10ch; color: #fff; text-shadow: 0 2px 30px rgba(0,0,0,.35); }
.hero-lede { margin-top: clamp(18px, 2.6vw, 26px); font-family: var(--display); font-style: italic; font-weight: 400; font-size: clamp(1.25rem, 2.2vw, 1.55rem); line-height: 1.35; max-width: 32ch; font-variation-settings: "opsz" 40; color: #F5F7FB; }
.hero-text { margin-top: 18px; max-width: 58ch; color: #B9C4D6; }
.hero-actions { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero .btn.primary { background: linear-gradient(135deg, #5CC4CF, #3f9fb3); color: #04111a; border-color: transparent; box-shadow: 0 8px 24px -10px rgba(92,196,207,.8); }
.hero .btn.ghost { color: #EEF3FA; border-color: rgba(238,243,250,.28); background: rgba(255,255,255,.04); backdrop-filter: blur(6px); }
.hero .btn.ghost:hover { border-color: rgba(238,243,250,.6); background: rgba(255,255,255,.09); }
.portrait { position: relative; justify-self: end; width: min(100%, 340px); aspect-ratio: 4 / 5; border-radius: 22px; overflow: hidden; background: linear-gradient(160deg, rgba(23,34,56,.55), rgba(10,16,30,.62)); box-shadow: 0 30px 80px -20px rgba(0,0,0,.7), 0 0 0 1px rgba(143,227,232,.22); backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px); }
.portrait::after { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; box-shadow: inset 0 0 0 1px rgba(255,255,255,.06); }
.portrait img { width: 100%; height: 100%; object-fit: cover; }
.portrait-empty { position: absolute; inset: 0; display: grid; place-items: center; text-align: center; padding: 24px; }
.portrait-empty b { display: block; font-family: var(--display); font-size: 4.5rem; font-weight: 600; letter-spacing: -0.04em; line-height: 1; background: linear-gradient(135deg, #8FE3E8, #D37BD0); -webkit-background-clip: text; background-clip: text; color: transparent; }
@media (max-width: 899px) { .portrait { justify-self: start; width: min(56%, 220px); } .hero-shade { background: linear-gradient(180deg, rgba(3,6,13,.82) 0%, rgba(3,6,13,.74) 60%, rgba(3,6,13,.5) 100%); } }
.hero-caption { position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; margin: 0 auto; padding-bottom: 22px; font-size: 0.75rem; letter-spacing: 0.04em; color: #8392a8; }
.hero-caption .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; vertical-align: middle; margin-right: 6px; }
.dot-actin { background: #6FE7EC; box-shadow: 0 0 8px #6FE7EC; }
.dot-mito { background: #E46BDC; box-shadow: 0 0 8px #E46BDC; }
.dot-ribo { background: #FFC56B; box-shadow: 0 0 8px #FFC56B; }

/* "Now" strip */
.now { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
@media (min-width: 760px) { .now { grid-template-columns: repeat(3, 1fr); } }
.now > div { padding: 22px 0; min-width: 0; }
@media (min-width: 760px) { .now > div { padding: 24px 28px 24px 0; } .now > div + div { padding-left: 28px; border-left: 1px solid var(--line); } }
@media (max-width: 759px) { .now > div + div { border-top: 1px solid var(--line); } }
.now .k { font-size: 0.8125rem; color: var(--fg-3); }
.now .v { margin-top: 4px; font-family: var(--display); font-size: 1.25rem; line-height: 1.3; font-variation-settings: "opsz" 36; }
.now .v a { text-decoration: none; }
.now .v a:hover { color: var(--accent); }

/* ---------- Themes (research) ---------- */
.themes { display: grid; grid-template-columns: 1fr; gap: 40px 48px; }
@media (min-width: 700px) { .themes { grid-template-columns: 1fr 1fr; } }
.theme { min-width: 0; padding-top: 20px; border-top: 2px solid var(--fg); }
.theme.lead { border-top-color: var(--accent); }
.theme h3 { font-size: 1.5rem; line-height: 1.2; font-variation-settings: "opsz" 48; }
.theme h3 small { display: block; font-family: var(--body); font-size: 0.875rem; font-weight: 500; color: var(--accent); letter-spacing: 0; margin-bottom: 8px; }
.theme p { margin-top: 12px; color: var(--fg-2); }
.theme ul { margin: 14px 0 0; padding-left: 18px; color: var(--fg-2); font-size: 0.9375rem; }
.theme li + li { margin-top: 4px; }
.theme .more { margin-top: 14px; font-size: 0.9375rem; }

/* Research page: full bands */
.band { display: grid; grid-template-columns: 1fr; gap: 28px 56px; padding-block: clamp(40px, 6vw, 72px); border-top: 1px solid var(--line); }
@media (min-width: 900px) { .band { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: start; } .band.flip > .band-fig { order: -1; } }
.band h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); line-height: 1.1; font-variation-settings: "opsz" 72; }
.band .kicker { font-size: 0.875rem; font-weight: 500; color: var(--accent); margin-bottom: 10px; }
.band p { margin-top: 14px; color: var(--fg-2); }
.band ul { margin: 14px 0 0; padding-left: 18px; color: var(--fg-2); font-size: 0.9375rem; }
.band li + li { margin-top: 6px; }
.band .band-links { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.band-fig { min-width: 0; }
.band-fig figure { margin: 0; }
.band-fig img { width: 100%; border-radius: 12px; border: 1px solid var(--line); background: var(--bg-2); cursor: zoom-in; }
.band-fig figcaption { margin-top: 10px; font-size: 0.875rem; color: var(--fg-3); }

/* ---------- Publications ---------- */
.pub-tools { display: flex; flex-wrap: wrap; gap: 12px 16px; align-items: center; margin-bottom: 24px; }
.pub-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.search { flex: 1 1 220px; min-width: 0; display: flex; align-items: center; gap: 8px; padding: 0 14px; height: 38px; border-radius: 999px; border: 1px solid var(--line); background: var(--bg-2); color: var(--fg-2); }
.search svg { width: 16px; height: 16px; flex: none; }
.search input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--fg); font: inherit; font-size: 0.9375rem; outline: none; }
.pub-list { list-style: none; margin: 0; padding: 0; }
.pub-year-head { font-family: var(--display); font-size: 1.125rem; color: var(--fg-3); padding: 28px 0 8px; font-variant-numeric: tabular-nums; }
.pub { display: grid; grid-template-columns: 1fr; gap: 6px 32px; padding: 20px 0; border-top: 1px solid var(--line); }
.pub-list > .pub:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 760px) { .pub { grid-template-columns: 110px minmax(0, 1fr); } }
.pub-kind { font-size: 0.8125rem; color: var(--fg-3); padding-top: 4px; }
.pub-kind .st { display: block; color: var(--accent-2); margin-top: 2px; }
.pub-title { font-family: var(--display); font-size: 1.25rem; line-height: 1.3; font-weight: 500; font-variation-settings: "opsz" 36; }
.pub-title a { text-decoration: none; }
.pub-title a:hover { color: var(--accent); }
.pub-authors { margin-top: 6px; color: var(--fg-2); font-size: 0.9375rem; }
.pub-authors b { font-weight: 600; color: var(--fg); }
.pub-venue { margin-top: 4px; font-size: 0.9375rem; color: var(--fg-2); }
.pub-venue i { color: var(--fg); }
.pub-note { margin-top: 4px; font-size: 0.875rem; color: var(--fg-3); }
.pub-actions { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.pub-empty { color: var(--fg-3); padding: 28px 0; }
.featured { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 760px) { .featured { grid-template-columns: repeat(3, 1fr); } }
.featured article { min-width: 0; padding: 22px 0 0; border-top: 2px solid var(--fg); }
.featured .k { font-size: 0.8125rem; color: var(--fg-3); }
.featured h3 { margin-top: 8px; font-size: 1.25rem; line-height: 1.3; font-variation-settings: "opsz" 36; }
.featured h3 a { text-decoration: none; }
.featured h3 a:hover { color: var(--accent); }
.featured p { margin-top: 8px; font-size: 0.9375rem; color: var(--fg-2); }

/* ---------- Rows (talks, awards, news) ---------- */
.rows { list-style: none; margin: 0; padding: 0; }
.row { display: grid; grid-template-columns: 1fr; gap: 4px 32px; padding: 18px 0; border-top: 1px solid var(--line); }
.rows > .row:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 760px) { .row { grid-template-columns: 150px minmax(0, 1fr); } }
.row-when { color: var(--fg-3); font-variant-numeric: tabular-nums; font-size: 0.9375rem; padding-top: 3px; }
.row-title { font-family: var(--display); font-size: 1.1875rem; font-weight: 500; line-height: 1.3; font-variation-settings: "opsz" 36; }
.row-title a { text-decoration: none; }
.row-title a:hover { color: var(--accent); }
.row-where { color: var(--fg-2); font-size: 0.9375rem; margin-top: 2px; }
.row-what { color: var(--fg-2); font-size: 0.9375rem; margin-top: 8px; max-width: 70ch; }
.row-tag { display: inline-block; font-size: 0.8125rem; color: var(--accent-2); margin-top: 6px; }
.row-actions { margin-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; }
.cols { display: grid; grid-template-columns: 1fr; gap: 40px 48px; }
@media (min-width: 760px) { .cols { grid-template-columns: 1fr 1fr; } }
.cols > div { min-width: 0; }
.cols h3 { font-size: 1.375rem; margin-bottom: 18px; font-variation-settings: "opsz" 48; }
.plain { list-style: none; margin: 0; padding: 0; }
.plain li { padding: 12px 0; border-top: 1px solid var(--line); color: var(--fg-2); font-size: 0.9375rem; }
.plain li:last-child { border-bottom: 1px solid var(--line); }
.plain li strong { color: var(--fg); font-weight: 500; }
.plain li .when { color: var(--fg-3); }

/* ---------- Skills ---------- */
.skills { margin: 0; }
.skills > div { display: grid; grid-template-columns: 1fr; gap: 4px 32px; padding: 16px 0; border-top: 1px solid var(--line); }
.skills > div:last-child { border-bottom: 1px solid var(--line); }
@media (min-width: 760px) { .skills > div { grid-template-columns: 200px minmax(0, 1fr); } }
.skills dt { font-weight: 500; color: var(--fg); }
.skills dd { margin: 0; color: var(--fg-2); font-size: 0.9375rem; min-width: 0; }

/* ---------- Media gallery ---------- */
.gallery { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
@media (min-width: 700px) { .gallery { grid-template-columns: repeat(3, 1fr); gap: 16px; } }
@media (min-width: 1000px) { .gallery { grid-template-columns: repeat(4, 1fr); } }
.tile { position: relative; min-width: 0; margin: 0; border-radius: 12px; overflow: hidden; background: var(--bg-2); border: 1px solid var(--line); aspect-ratio: 1; cursor: zoom-in; }
.tile.wide { grid-column: span 2; aspect-ratio: 2 / 1; }
.tile img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.tile:hover img { transform: scale(1.03); }
.tile figcaption { position: absolute; inset: auto 0 0 0; padding: 28px 12px 10px; font-size: 0.8125rem; color: #fff; background: linear-gradient(180deg, transparent, rgba(0,0,0,.65)); opacity: 0; transition: opacity .2s; }
.tile:hover figcaption, .tile:focus-visible figcaption { opacity: 1; }
.tile.doc { display: grid; place-items: center; text-align: center; padding: 20px; color: var(--fg-2); font-size: 0.9375rem; cursor: pointer; }
.tile.doc svg { width: 36px; height: 36px; color: var(--accent); margin-bottom: 10px; }
.tile.doc span { display: block; }
.empty { padding: 36px 24px; border: 1px dashed var(--line); border-radius: 14px; color: var(--fg-2); font-size: 0.9375rem; max-width: 60ch; }
.empty code { font-size: 0.875rem; background: var(--bg-2); padding: 2px 6px; border-radius: 4px; }
.lightbox { position: fixed; inset: 0; z-index: 50; background: rgba(5, 9, 18, .92); display: grid; grid-template-rows: 1fr auto; padding: max(16px, env(safe-area-inset-top, 0px)) max(16px, env(safe-area-inset-right, 0px)) max(16px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px)); }
.lightbox img { max-width: 100%; max-height: 100%; width: auto; height: auto; margin: auto; object-fit: contain; border-radius: 6px; }
.lightbox .lb-img { min-height: 0; display: grid; place-items: center; }
.lightbox .lb-bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 12px; color: #fff; font-size: 0.9375rem; }
.lightbox .lb-bar p { color: #c9d1e0; min-width: 0; }
.lightbox .lb-nav { display: flex; gap: 8px; flex: none; }
.lightbox .icon-btn { color: #fff; border-color: rgba(255,255,255,.25); }
.lightbox .lb-close { position: absolute; top: max(16px, env(safe-area-inset-top, 0px)); right: max(16px, env(safe-area-inset-right, 0px)); }

/* ---------- Collaborate ---------- */
.offer { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 760px) { .offer { grid-template-columns: repeat(3, 1fr); } }
.offer article { min-width: 0; padding-top: 20px; border-top: 2px solid var(--fg); }
.offer h3 { font-size: 1.25rem; line-height: 1.3; font-variation-settings: "opsz" 36; }
.offer p { margin-top: 10px; font-size: 0.9375rem; color: var(--fg-2); }
.form-wrap { display: grid; grid-template-columns: 1fr; gap: 32px 56px; }
@media (min-width: 900px) { .form-wrap { grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); } }
.form-aside p { color: var(--fg-2); margin-top: 12px; max-width: 46ch; }
.contact-list { list-style: none; margin: 20px 0 0; padding: 0; }
.contact-list li { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; padding: 14px 0; border-top: 1px solid var(--line); }
.contact-list li:last-child { border-bottom: 1px solid var(--line); }
.contact-list .k { color: var(--fg-3); font-size: 0.875rem; min-width: 72px; }
.contact-list .v { flex: 1 1 180px; min-width: 0; overflow-wrap: anywhere; }
.contact-list .v.sel { user-select: all; }
form.collab { display: grid; grid-template-columns: 1fr; gap: 18px; }
@media (min-width: 560px) { form.collab { grid-template-columns: 1fr 1fr; } form.collab .full { grid-column: 1 / -1; } }
.field { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.field label { font-size: 0.875rem; color: var(--fg-2); }
.field input, .field select, .field textarea { font: inherit; font-size: 1rem; color: var(--fg); background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 11px 14px; width: 100%; min-width: 0; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.field textarea { min-height: 160px; resize: vertical; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 0.875rem; color: var(--fg-2); }
.check input { margin-top: 4px; accent-color: var(--accent); }
.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.form-msg { font-size: 0.9375rem; }
.form-msg.ok { color: var(--ok); }
.form-msg.err { color: var(--err); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Footer ---------- */
footer .wrap { padding-block: 32px 48px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px 24px; color: var(--fg-3); font-size: 0.875rem; border-top: 1px solid var(--line); }
footer a { text-decoration: none; }
footer a:hover { color: var(--fg); }
footer .links { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- Toast ---------- */
.toast { position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--fg); color: var(--bg); padding: 10px 16px; border-radius: 999px; font-size: 0.875rem; z-index: 60; box-shadow: var(--shadow); }

/* ---------- 404 / legal prose ---------- */
.prose { max-width: 68ch; color: var(--fg-2); }
.prose h2 { font-size: 1.5rem; color: var(--fg); margin-top: 36px; font-variation-settings: "opsz" 48; }
.prose h3 { font-size: 1.125rem; color: var(--fg); margin-top: 24px; font-variation-settings: "opsz" 36; }
.prose p, .prose ul { margin-top: 12px; }
.prose ul { padding-left: 20px; }
.prose code { font-size: 0.9em; background: var(--bg-2); padding: 2px 6px; border-radius: 4px; }
.prose .todo { color: var(--accent-2); }


/* ---------- Additions: skip link, hero profile links, awards, reveal, print ---------- */
.skip { position: absolute; left: 16px; top: -48px; z-index: 100; background: var(--fg); color: var(--bg); padding: 8px 14px; border-radius: 8px; text-decoration: none; font-size: 0.875rem; }
.skip:focus { top: 12px; }
.hero-links { list-style: none; margin: 22px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 0.875rem; }
.hero-links a { color: var(--fg-3); text-decoration: none; letter-spacing: 0.02em; border-bottom: 1px solid transparent; padding-bottom: 1px; }
.hero-links a:hover { color: var(--accent); border-bottom-color: currentColor; }
.hero-links li[hidden] { display: none; }
.award-cards { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 760px) { .award-cards { grid-template-columns: repeat(3, 1fr); } }
.award-card { position: relative; padding: 26px 24px 24px; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(160deg, var(--bg-2), transparent 70%); overflow: hidden; }
.award-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent-2); }
.award-year { font-size: 0.8125rem; color: var(--accent-2); font-variant-numeric: tabular-nums; letter-spacing: 0.04em; }
.award-card h3 { margin-top: 10px; font-size: 1.375rem; line-height: 1.25; font-variation-settings: "opsz" 48; }
.award-card p { margin: 10px 0 0; color: var(--fg-2); font-size: 0.9375rem; line-height: 1.5; }
#awardGroups .section { padding-block: clamp(36px, 5vw, 60px); }
#awardGroups .section-head { margin-bottom: 20px; }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
@media print {
  .nav, footer, .skip, .hero canvas, .hero-shade, .btn, .pub-actions, .pub-filters, #pubSearch, .icon-btn { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  a { color: inherit; text-decoration: none; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .section { padding-block: 12pt !important; }
}

/* ---------- Collaboration globe (always dark, like the hero) ---------- */
.net-section { position: relative; color: #E6EDF7; background: radial-gradient(90% 70% at 30% 35%, #0e1c33 0%, #060b16 65%, #04070f 100%); padding-block: clamp(48px, 7vw, 88px); border-block: 1px solid rgba(143,227,232,.12); }
.net-section .eyebrow { margin-bottom: 12px; }
.net-head { display: grid; grid-template-columns: 1fr; gap: 14px 48px; margin-bottom: clamp(24px, 3.5vw, 40px); }
@media (min-width: 960px) { .net-head { grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); align-items: end; } }
.net-head h2 { font-size: clamp(1.875rem, 4vw, 2.75rem); line-height: 1.05; color: #fff; font-variation-settings: "opsz" 96; }
.net-intro { margin: 0; color: #A9B6CA; max-width: 60ch; }
.net { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 960px) { .net { grid-template-columns: minmax(0, 1.45fr) minmax(300px, 1fr); align-items: stretch; } }
.net-stage { position: relative; aspect-ratio: 1 / 1; max-height: 640px; width: 100%; border-radius: 22px; background: radial-gradient(circle at 50% 50%, rgba(92,196,207,.06), transparent 65%); border: 1px solid rgba(143,227,232,.14); overflow: hidden; touch-action: none; }
@media (min-width: 960px) { .net-stage { aspect-ratio: auto; height: 620px; } }
#globe { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.net-tip { position: absolute; z-index: 2; max-width: 220px; pointer-events: none; padding: 8px 10px; border-radius: 10px; font-size: 0.8125rem; line-height: 1.4; color: #EAF1FA; background: rgba(6,11,22,.92); border: 1px solid rgba(143,227,232,.3); box-shadow: 0 10px 30px rgba(0,0,0,.5); }
.net-tip strong { color: #fff; }
.net-zoom { position: absolute; right: 14px; top: 14px; display: flex; flex-direction: column; gap: 6px; }
.net-btn { width: 34px; height: 34px; border-radius: 10px; border: 1px solid rgba(143,227,232,.25); background: rgba(6,11,22,.7); color: #DDE7F3; font-size: 1.1rem; line-height: 1; cursor: pointer; display: grid; place-items: center; }
.net-btn:hover { border-color: rgba(143,227,232,.6); color: #fff; }
.net-btn svg { width: 15px; height: 15px; }
.net-legend { position: absolute; left: 14px; bottom: 12px; display: flex; flex-wrap: wrap; gap: 6px 14px; list-style: none; margin: 0; padding: 8px 12px; border-radius: 12px; background: rgba(6,11,22,.6); font-size: 0.75rem; color: #A9B6CA; }
.net-legend i { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 6px; vertical-align: -1px; }
.lg-home { background: #E46BDC; } .lg-core { background: #6FE7EC; } .lg-gbd { background: #FFC56B; }
.lg-arc { width: 16px !important; height: 2px !important; border-radius: 2px !important; background: linear-gradient(90deg, #6FE7EC, #E46BDC); vertical-align: 3px !important; }
.net-side { display: flex; flex-direction: column; gap: 14px; min-height: 0; }
@media (min-width: 960px) { .net-side { height: 620px; } }
.net-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 0; }
.net-stats div { padding: 12px 10px; border-radius: 14px; background: rgba(255,255,255,.04); border: 1px solid rgba(143,227,232,.12); }
.net-stats dt { font-size: 0.75rem; color: #8392a8; white-space: nowrap; }
.net-stats dd { margin: 4px 0 0; font-family: var(--display); font-size: 1.75rem; line-height: 1; color: #fff; font-variant-numeric: tabular-nums; }
.net-toggle { display: flex; align-items: flex-start; gap: 10px; cursor: pointer; font-size: 0.875rem; color: #C9D4E3; padding: 10px 12px; border-radius: 14px; border: 1px solid rgba(255,197,107,.22); background: rgba(255,197,107,.05); }
.net-toggle small { display: block; color: #8392a8; font-size: 0.75rem; margin-top: 2px; }
.net-toggle input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.net-toggle .sw { flex: none; position: relative; width: 34px; height: 20px; border-radius: 999px; background: rgba(255,255,255,.14); transition: background .2s; margin-top: 1px; }
.net-toggle .sw::after { content: ""; position: absolute; left: 3px; top: 3px; width: 14px; height: 14px; border-radius: 50%; background: #fff; transition: transform .2s; }
.net-toggle input:checked + .sw { background: #E0A04A; }
.net-toggle input:checked + .sw::after { transform: translateX(14px); }
.net-toggle input:focus-visible + .sw { outline: 2px solid #FFC56B; outline-offset: 2px; }
.net-detail { padding: 14px 14px 12px; border-radius: 14px; background: rgba(255,255,255,.04); border: 1px solid rgba(143,227,232,.12); font-size: 0.875rem; color: #C9D4E3; max-height: 260px; overflow: auto; }
.nd-empty { margin: 0; color: #8392a8; }
.nd-head { display: flex; align-items: baseline; gap: 8px; margin-bottom: 6px; }
.nd-head strong { font-family: var(--display); font-size: 1.25rem; color: #fff; font-weight: 500; }
.nd-head span { color: #8392a8; }
.nd-close { margin-left: auto; background: none; border: 0; color: #8392a8; font-size: 1.25rem; cursor: pointer; line-height: 1; }
.nd-inst, .nd-papers { margin: 0; padding-left: 18px; }
.nd-inst li { color: #EAF1FA; }
.nd-k { margin: 10px 0 4px; font-size: 0.6875rem; letter-spacing: .08em; text-transform: uppercase; color: #6FE7EC; }
.nd-people { margin: 0; }
.nd-papers li { margin-bottom: 6px; }
.nd-papers span { display: block; color: #8392a8; font-size: 0.8125rem; font-style: italic; }
.net-list { list-style: none; margin: 0; padding: 0 4px 0 0; flex: 1; min-height: 140px; max-height: 340px; overflow: auto; }
@media (min-width: 960px) { .net-list { max-height: none; } }
.net-list::-webkit-scrollbar { width: 6px; } .net-list::-webkit-scrollbar-thumb { background: rgba(143,227,232,.2); border-radius: 6px; }
.nl-country { display: flex; justify-content: space-between; font-size: 0.75rem; letter-spacing: .08em; text-transform: uppercase; color: #8392a8; padding: 10px 2px 6px; border-bottom: 1px solid rgba(143,227,232,.1); }
.net-list ul { list-style: none; margin: 0; padding: 0; }
.nl-item { display: block; width: 100%; text-align: left; background: none; border: 0; color: #DDE7F3; font: inherit; font-size: 0.875rem; padding: 7px 8px; border-radius: 8px; cursor: pointer; }
.nl-item small { display: block; color: #8392a8; font-size: 0.75rem; }
.nl-item:hover, .nl-item:focus-visible { background: rgba(111,231,236,.08); color: #fff; }
.net-source { margin: 16px 0 0; font-size: 0.75rem; color: #6f7c96; max-width: 90ch; }
@media (max-width: 560px) { .net-stats dd { font-size: 1.4rem; } .net-stats div { padding: 10px 8px; } .net-legend { right: 14px; } }