/* =========================================================================
   Vision for Biomedical Discovery (CVPath + Vision4Neuro) - WACV 2027
   Stylesheet. No external dependencies except Google Fonts.
   ========================================================================= */

/* ---------- Design tokens ---------- */
:root {
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: "Newsreader", Georgia, "Times New Roman", serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --bg: #ffffff;
  --bg-soft: #f6f7fa;
  --bg-sunken: #eef1f6;
  --surface: #ffffff;
  --surface-2: #fbfcfe;

  --ink: #0d1117;
  --ink-2: #39424f;
  --ink-3: #6a7383;
  --ink-inv: #ffffff;

  --line: #e3e7ee;
  --line-strong: #cfd6e1;

  --brand: #1d3a8a;
  --brand-2: #2a52be;
  --brand-soft: #eef2fd;

  --cvpath: #86268f;
  --cvpath-2: #a34aa8;
  --cvpath-soft: #f9edfb;

  --neuro: #0b6e7d;
  --neuro-2: #128a9c;
  --neuro-soft: #e9f6f8;

  --gold: #8a5f10;
  --gold-soft: #fdf4e3;

  --radius-s: 8px;
  --radius: 14px;
  --radius-l: 22px;

  --shadow-s: 0 1px 2px rgba(13, 17, 23, .05), 0 1px 3px rgba(13, 17, 23, .04);
  --shadow: 0 2px 4px rgba(13, 17, 23, .04), 0 8px 24px rgba(13, 17, 23, .06);
  --shadow-l: 0 4px 8px rgba(13, 17, 23, .05), 0 24px 48px rgba(13, 17, 23, .10);

  --container: 1160px;
  --nav-h: 68px;
}

[data-theme="dark"] {
  --bg: #0c1017;
  --bg-soft: #10151e;
  --bg-sunken: #0a0e15;
  --surface: #141a24;
  --surface-2: #171e29;

  --ink: #eef2f8;
  --ink-2: #b8c2d1;
  --ink-3: #8996a8;

  --line: #232c3a;
  --line-strong: #334052;

  --brand: #8fb0ff;
  --brand-2: #a7c1ff;
  --brand-soft: #16213a;

  --cvpath: #e194ef;
  --cvpath-2: #eeb0f7;
  --cvpath-soft: #2a1531;

  --neuro: #5fd3e3;
  --neuro-2: #86e2ee;
  --neuro-soft: #0d2429;

  --gold: #e5bf72;
  --gold-soft: #2a2114;

  --shadow-s: 0 1px 2px rgba(0, 0, 0, .4);
  --shadow: 0 2px 6px rgba(0, 0, 0, .35), 0 12px 32px rgba(0, 0, 0, .35);
  --shadow-l: 0 8px 20px rgba(0, 0, 0, .45), 0 32px 64px rgba(0, 0, 0, .45);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
}

body {
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink-2);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--brand); text-underline-offset: 3px; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: var(--ink);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.015em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.1rem, 1.4rem + 3.1vw, 3.9rem); }
h2 { font-size: clamp(1.6rem, 1.25rem + 1.6vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 1.03rem + .55vw, 1.42rem); }
h4 { font-size: 1.05rem; font-family: var(--font-sans); font-weight: 650; letter-spacing: -0.005em; }
p { text-wrap: pretty; }
p + p { margin-top: 1em; }

::selection { background: color-mix(in srgb, var(--brand) 22%, transparent); }

:focus-visible {
  outline: 2px solid var(--brand-2);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- Layout helpers ---------- */
.container { width: 100%; max-width: var(--container); margin-inline: auto; padding-inline: 22px; }
.container--narrow { max-width: 880px; }
.section { padding-block: clamp(52px, 6vw, 92px); }
.section--soft { background: var(--bg-soft); border-block: 1px solid var(--line); }
.section--tight { padding-block: clamp(34px, 4vw, 56px); }
.section__head { max-width: 740px; margin-bottom: 38px; }
.section__head p { color: var(--ink-3); margin-top: 12px; font-size: 1.02rem; }
.stack > * + * { margin-top: 14px; }
.stack-lg > * + * { margin-top: 26px; }
.center { text-align: center; margin-inline: auto; }

.eyebrow {
  font-size: .76rem;
  font-weight: 650;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--brand);
  font-family: var(--font-sans);
  display: block;
  margin-bottom: 12px;
}
.eyebrow--cvpath { color: var(--cvpath); }
.eyebrow--neuro { color: var(--neuro); }

.lead { font-size: clamp(1.05rem, 1rem + .35vw, 1.2rem); color: var(--ink-2); }
.muted { color: var(--ink-3); }
.small { font-size: .9rem; }
.tiny { font-size: .82rem; }
.mt-s { margin-top: 14px; }
.mt-m { margin-top: 26px; }
.mt-l { margin-top: 42px; }

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 200;
  background: var(--ink); color: var(--bg);
  padding: 10px 16px; border-radius: var(--radius-s);
  font-size: .9rem; font-weight: 600; text-decoration: none;
  transition: top .18s ease;
}
.skip-link:focus { top: 12px; }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 16px; min-height: var(--nav-h); }
.brand { display: flex; align-items: center; gap: 11px; text-decoration: none; color: var(--ink); flex: 0 1 auto; min-width: 0; }
.brand__mark { width: 44px; height: auto; flex: 0 0 auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.14; min-width: 0; }
.brand__title { font-family: var(--font-serif); font-weight: 600; font-size: 1.02rem; letter-spacing: -.01em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.brand__sub { font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }

.nav__links { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav__links a {
  color: var(--ink-2); text-decoration: none;
  font-size: .92rem; font-weight: 500;
  padding: 8px 11px; border-radius: var(--radius-s);
  white-space: nowrap; transition: background .16s ease, color .16s ease;
}
.nav__links a:hover { background: var(--bg-soft); color: var(--ink); }
.nav__links a[aria-current="page"] { color: var(--ink); font-weight: 650; background: var(--bg-sunken); }

.nav__actions { display: flex; align-items: center; gap: 8px; margin-left: 4px; }
.icon-btn {
  width: 38px; height: 38px; display: grid; place-items: center;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink-2);
  border-radius: 10px; cursor: pointer; transition: background .16s ease, border-color .16s ease;
}
.icon-btn:hover { background: var(--bg-soft); border-color: var(--line-strong); }
.icon-btn svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
.nav__toggle { display: none; }

@media (max-width: 1040px) {
  .nav__toggle { display: grid; }
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 12px 18px 22px; box-shadow: var(--shadow);
    max-height: calc(100dvh - var(--nav-h)); overflow-y: auto;
    transform: translateY(-8px); opacity: 0; pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
  }
  .nav__links.is-open { transform: none; opacity: 1; pointer-events: auto; }
  .nav__links a { padding: 12px; font-size: 1rem; }
}

@media (max-width: 620px) {
  .nav { gap: 8px; }
  .brand__title { font-size: .92rem; }
  .brand__sub { font-size: .6rem; letter-spacing: .06em; }
  .nav__actions { margin-left: auto; }
}
@media (max-width: 400px) {
  .brand__sub { display: none; }
  .brand__title { font-size: .84rem; white-space: normal; line-height: 1.15; }
  .brand__mark { width: 36px; height: auto; }
  .container { padding-inline: 18px; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-sans); font-size: .95rem; font-weight: 600;
  padding: 12px 21px; border-radius: 10px; border: 1px solid transparent;
  text-decoration: none; cursor: pointer; white-space: nowrap;
  transition: transform .15s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn svg { width: 17px; height: 17px; }
.btn--primary { background: var(--ink); color: var(--bg); box-shadow: var(--shadow-s); }
.btn--primary:hover { box-shadow: var(--shadow); }
.btn--ghost { background: var(--surface); color: var(--ink); border-color: var(--line-strong); }
.btn--ghost:hover { background: var(--bg-soft); }
.btn--cvpath { background: var(--cvpath); color: #fff; }
.btn--cvpath:hover { background: var(--cvpath-2); }
.btn--neuro { background: var(--neuro); color: #fff; }
.btn--neuro:hover { background: var(--neuro-2); }
[data-theme="dark"] .btn--cvpath, [data-theme="dark"] .btn--neuro { color: #0c1017; }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding-block: clamp(52px, 6.5vw, 100px) clamp(40px, 5vw, 72px);
  background:
    radial-gradient(900px 420px at 12% -8%, color-mix(in srgb, var(--cvpath) 13%, transparent), transparent 62%),
    radial-gradient(820px 420px at 88% 4%, color-mix(in srgb, var(--neuro) 15%, transparent), transparent 60%),
    radial-gradient(700px 500px at 50% 110%, color-mix(in srgb, var(--brand) 9%, transparent), transparent 65%),
    var(--bg);
}
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(circle at 1px 1px, color-mix(in srgb, var(--ink) 13%, transparent) 1px, transparent 0);
  background-size: 26px 26px;
  mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 0%, #000 0%, transparent 75%);
  opacity: .45;
}
.hero > * { position: relative; z-index: 1; }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  gap: clamp(24px, 3vw, 52px);
  align-items: center;
}
.hero__inner { max-width: 920px; }
.hero__grid--solo { grid-template-columns: 1fr; }
.hero__photo { margin: 0; }
.hero__photo img {
  width: 100%; height: auto;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-l);
  border: 1px solid var(--line);
}
.hero__photo figcaption { margin-top: 10px; text-align: right; color: var(--ink-3); font-size: .8rem; }
@media (max-width: 1060px) { .hero__photo { order: -1; max-width: 640px; } }
.hero__art { margin: 0; }
.hero__art img { width: 100%; height: auto; }
[data-theme="dark"] .hero__art img { opacity: .92; }
.hero__art figcaption { margin-top: 10px; text-align: right; max-width: 46ch; margin-left: auto; }

@media (max-width: 1060px) {
  .hero__grid { grid-template-columns: 1fr; }
  .hero__art { order: -1; max-width: 560px; }
  .hero__art figcaption { display: none; }
}
@media (max-width: 700px) {
  .hero__art { display: none; }
}
.hero h1 { margin-bottom: 8px; }
.hero__acronyms {
  font-family: var(--font-sans); font-weight: 700;
  font-size: clamp(1rem, .9rem + .6vw, 1.32rem);
  letter-spacing: -.01em; margin-bottom: 20px;
}
.hero__acronyms .c1 { color: var(--cvpath); }
.hero__acronyms .c2 { color: var(--neuro); }
.hero__acronyms .plus { color: var(--ink-3); font-weight: 500; margin-inline: 8px; }
.hero__lead { font-size: clamp(1.05rem, .98rem + .45vw, 1.24rem); color: var(--ink-2); max-width: 780px; }
.hero .btn-row { margin-top: 30px; }

.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.badge {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .8rem; font-weight: 600;
  padding: 6px 12px; border-radius: 999px;
  background: var(--surface); border: 1px solid var(--line-strong); color: var(--ink-2);
  box-shadow: var(--shadow-s);
}
.badge svg { width: 14px; height: 14px; opacity: .75; }
.badge--brand { background: var(--brand-soft); border-color: color-mix(in srgb, var(--brand) 28%, transparent); color: var(--brand); }
.badge--cvpath { background: var(--cvpath-soft); border-color: color-mix(in srgb, var(--cvpath) 28%, transparent); color: var(--cvpath); }
.badge--neuro { background: var(--neuro-soft); border-color: color-mix(in srgb, var(--neuro) 28%, transparent); color: var(--neuro); }
.badge--gold { background: var(--gold-soft); border-color: color-mix(in srgb, var(--gold) 30%, transparent); color: var(--gold); }

/* facts strip */
.facts {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden; margin-top: 44px;
  box-shadow: var(--shadow);
}
.fact { background: var(--surface); padding: 20px 22px; }
.fact__k { font-size: .71rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); font-weight: 650; }
.fact__v { font-family: var(--font-serif); font-size: 1.1rem; color: var(--ink); margin-top: 6px; line-height: 1.3; }
.fact__v small { display: block; font-family: var(--font-sans); font-size: .82rem; color: var(--ink-3); font-weight: 500; margin-top: 3px; }
@media (max-width: 880px) { .facts { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 440px) { .facts { grid-template-columns: 1fr; } }

/* ---------- Notice ---------- */
.notice {
  display: flex; gap: 12px; align-items: flex-start;
  background: var(--gold-soft); border: 1px solid color-mix(in srgb, var(--gold) 32%, transparent);
  color: color-mix(in srgb, var(--gold) 78%, var(--ink));
  padding: 14px 18px; border-radius: var(--radius); font-size: .93rem;
}
.notice svg { width: 18px; height: 18px; flex: 0 0 auto; margin-top: 3px; }
.notice a { color: inherit; }

/* ---------- Cards & grids ---------- */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 26px;
  box-shadow: var(--shadow-s);
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.card--link:hover { box-shadow: var(--shadow); transform: translateY(-2px); border-color: var(--line-strong); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: .97rem; }
.card__icon {
  width: 40px; height: 40px; border-radius: 11px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand); margin-bottom: 16px;
}
.card__icon svg { width: 20px; height: 20px; }

/* track cards */
.track-card { position: relative; overflow: hidden; padding-top: 0; display: flex; flex-direction: column; }
.track-card__art {
  width: calc(100% + 52px);
  height: 92px;
  margin: 0 -26px 20px;
  object-fit: cover;
  opacity: .95;
}
[data-theme="dark"] .track-card__art { opacity: .8; }
.track-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; }
.track-card--cvpath::before { background: linear-gradient(90deg, var(--cvpath), var(--cvpath-2)); }
.track-card--neuro::before { background: linear-gradient(90deg, var(--neuro), var(--neuro-2)); }
.track-card__meta { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.track-card__name { font-family: var(--font-sans); font-weight: 750; font-size: 1.02rem; letter-spacing: -.01em; }
.track-card--cvpath .track-card__name { color: var(--cvpath); }
.track-card--neuro .track-card__name { color: var(--neuro); }
.track-card h3 { font-size: 1.28rem; }
.track-card .btn-row { margin-top: auto; padding-top: 22px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 18px; }
.tag { font-size: .78rem; font-weight: 550; padding: 5px 10px; border-radius: 7px; background: var(--bg-sunken); color: var(--ink-2); border: 1px solid var(--line); }
.track-card--cvpath .tag { background: var(--cvpath-soft); color: color-mix(in srgb, var(--cvpath) 82%, var(--ink)); border-color: color-mix(in srgb, var(--cvpath) 20%, transparent); }
.track-card--neuro .tag { background: var(--neuro-soft); color: color-mix(in srgb, var(--neuro) 82%, var(--ink)); border-color: color-mix(in srgb, var(--neuro) 20%, transparent); }

/* ---------- Topic lists ---------- */
.topics { list-style: none; padding: 0; display: grid; gap: 10px; }
.topics li { position: relative; padding-left: 28px; font-size: .97rem; color: var(--ink-2); }
.topics li::before {
  content: ""; position: absolute; left: 6px; top: .6em;
  width: 7px; height: 7px; border-radius: 2px; background: var(--brand); opacity: .9; transform: rotate(45deg);
}
.topics--cvpath li::before { background: var(--cvpath); }
.topics--neuro li::before { background: var(--neuro); }
.topics--2col { grid-template-columns: 1fr 1fr; column-gap: 30px; }
@media (max-width: 760px) { .topics--2col { grid-template-columns: 1fr; } }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-s); }
table { width: 100%; border-collapse: collapse; font-size: .95rem; min-width: 560px; }
thead th {
  text-align: left; font-family: var(--font-sans); font-weight: 650; font-size: .75rem;
  letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3);
  padding: 14px 20px; background: var(--bg-soft); border-bottom: 1px solid var(--line); white-space: nowrap;
}
tbody td { padding: 15px 20px; border-bottom: 1px solid var(--line); vertical-align: top; color: var(--ink-2); }
tbody tr:last-child td { border-bottom: 0; }
td.date { font-variant-numeric: tabular-nums; font-weight: 600; color: var(--ink); white-space: nowrap; }
td.what { font-weight: 500; color: var(--ink); }
.pill { display: inline-block; font-size: .72rem; font-weight: 650; letter-spacing: .04em; padding: 3px 9px; border-radius: 999px; white-space: nowrap; }
.pill--cvpath { background: var(--cvpath-soft); color: var(--cvpath); }
.pill--neuro { background: var(--neuro-soft); color: var(--neuro); }
.pill--both { background: var(--brand-soft); color: var(--brand); }
.pill--wacv { background: var(--bg-sunken); color: var(--ink-3); }
.pill--tbc { background: var(--gold-soft); color: var(--gold); }

/* ---------- Program timeline ---------- */
.track-filter { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 26px; }
.track-filter button {
  font-family: var(--font-sans); font-size: .88rem; font-weight: 600;
  padding: 8px 15px; border-radius: 999px; cursor: pointer;
  border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink-2);
  transition: all .16s ease;
}
.track-filter button:hover { border-color: var(--ink-3); }
.track-filter button[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.timeline { display: grid; gap: 10px; }
.slot {
  display: grid; grid-template-columns: 128px 1fr; gap: 22px;
  background: var(--surface); border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  border-radius: var(--radius); padding: 18px 22px;
  transition: opacity .2s ease, box-shadow .2s ease;
}
.slot:hover { box-shadow: var(--shadow-s); }
.slot.is-dimmed { opacity: .3; }
.slot--cvpath { border-left-color: var(--cvpath); }
.slot--neuro { border-left-color: var(--neuro); }
.slot--joint { border-left-color: var(--brand); }
.slot--break { border-left-color: var(--line-strong); background: var(--bg-soft); }
.slot__time { font-variant-numeric: tabular-nums; font-weight: 650; color: var(--ink); font-size: .95rem; padding-top: 1px; }
.slot__body h4 { margin-bottom: 4px; color: var(--ink); }
.slot__body p { font-size: .92rem; color: var(--ink-3); }
.slot__tag { display: inline-block; font-size: .67rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; margin-bottom: 6px; }
.slot--cvpath .slot__tag { color: var(--cvpath); }
.slot--neuro .slot__tag { color: var(--neuro); }
.slot--joint .slot__tag { color: var(--brand); }
.slot--break .slot__tag { color: var(--ink-3); }
@media (max-width: 620px) {
  .slot { grid-template-columns: 1fr; gap: 8px; }
  .slot__time { font-size: .88rem; color: var(--ink-3); }
}

/* ---------- People ---------- */
.people { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); }
.person {
  display: flex; gap: 15px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-s);
}
.avatar {
  width: 46px; height: 46px; flex: 0 0 auto; border-radius: 12px;
  display: grid; place-items: center;
  font-family: var(--font-sans); font-weight: 700; font-size: .9rem;
  color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2));
}
.avatar--cvpath { background: linear-gradient(135deg, var(--cvpath), var(--cvpath-2)); }
.avatar--neuro { background: linear-gradient(135deg, var(--neuro), var(--neuro-2)); }
[data-theme="dark"] .avatar { color: #0c1017; }
.person__name { font-weight: 650; color: var(--ink); font-size: 1rem; line-height: 1.3; }
.person__aff { font-size: .87rem; color: var(--ink-3); margin-top: 3px; }
.person__role { font-size: .74rem; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: var(--brand); margin-top: 8px; }
.person__role--cvpath { color: var(--cvpath); }
.person__role--neuro { color: var(--neuro); }
.person__bio { font-size: .89rem; color: var(--ink-2); margin-top: 9px; }
.person__links { margin-top: 9px; display: flex; gap: 12px; font-size: .84rem; flex-wrap: wrap; }
.speaker { padding: 24px; }
.pc-list { columns: 2; column-gap: 34px; list-style: none; padding: 0; font-size: .95rem; }
.pc-list li { break-inside: avoid; padding: 8px 0; border-bottom: 1px solid var(--line); color: var(--ink-3); }
.pc-list li b { color: var(--ink); font-weight: 600; }
.pc-list--single { columns: 1; margin-top: 10px; }
@media (max-width: 700px) { .pc-list { columns: 1; } }

/* ---------- Callout ---------- */
.callout {
  border-radius: var(--radius-l); padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--line);
  background: radial-gradient(600px 300px at 100% 0%, color-mix(in srgb, var(--cvpath) 12%, transparent), transparent 70%), var(--surface-2);
  box-shadow: var(--shadow);
}
.callout--neuro { background: radial-gradient(600px 300px at 0% 0%, color-mix(in srgb, var(--neuro) 12%, transparent), transparent 70%), var(--surface-2); }
.callout--brand { background: radial-gradient(700px 340px at 50% 0%, color-mix(in srgb, var(--brand) 12%, transparent), transparent 70%), var(--surface-2); }

.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 28px; }
.stat { border-left: 2px solid var(--cvpath); padding-left: 16px; }
.stat__v { font-family: var(--font-serif); font-size: 1.85rem; color: var(--ink); line-height: 1.1; }
.stat__k { font-size: .86rem; color: var(--ink-3); margin-top: 4px; }
@media (max-width: 700px) { .stat-row { grid-template-columns: 1fr; } }

/* ---------- Steps ---------- */
.steps { list-style: none; padding: 0; counter-reset: step; display: grid; gap: 22px; }
.steps li { position: relative; padding-left: 52px; counter-increment: step; }
.steps li::before {
  content: counter(step); position: absolute; left: 0; top: -2px;
  width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center;
  background: var(--brand-soft); color: var(--brand); font-weight: 700; font-size: .95rem;
  font-family: var(--font-sans); border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent);
}
.steps h4 { margin-bottom: 4px; }
.steps p { font-size: .95rem; color: var(--ink-2); }

/* ---------- Definition rows ---------- */
.defs { display: grid; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); box-shadow: var(--shadow-s); }
.def { display: grid; grid-template-columns: 230px 1fr; gap: 20px; padding: 17px 22px; border-bottom: 1px solid var(--line); }
.def:last-child { border-bottom: 0; }
.def dt { font-weight: 650; color: var(--ink); font-size: .95rem; }
.def dd { margin: 0; color: var(--ink-2); font-size: .95rem; }
@media (max-width: 680px) { .def { grid-template-columns: 1fr; gap: 4px; } }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 10px; }
details.qa { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 2px 20px; }
details.qa[open] { border-color: var(--line-strong); box-shadow: var(--shadow-s); }
details.qa summary {
  cursor: pointer; list-style: none; padding: 16px 30px 16px 0; position: relative;
  font-weight: 620; color: var(--ink); font-size: 1rem;
}
details.qa summary::-webkit-details-marker { display: none; }
details.qa summary::after {
  content: ""; position: absolute; right: 4px; top: 50%;
  width: 9px; height: 9px; border-right: 2px solid var(--ink-3); border-bottom: 2px solid var(--ink-3);
  transform: translateY(-70%) rotate(45deg); transition: transform .2s ease;
}
details.qa[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
details.qa .qa__body { padding: 0 0 18px; color: var(--ink-2); font-size: .96rem; }
details.qa .qa__body > * + * { margin-top: 10px; }

/* ---------- Page header ---------- */
.page-head {
  padding-block: clamp(38px, 5vw, 62px) clamp(28px, 3.4vw, 42px);
  border-bottom: 1px solid var(--line);
  background: radial-gradient(700px 300px at 8% 0%, color-mix(in srgb, var(--brand) 8%, transparent), transparent 65%), var(--bg-soft);
}
.page-head--cvpath { background: radial-gradient(700px 300px at 8% 0%, color-mix(in srgb, var(--cvpath) 12%, transparent), transparent 65%), var(--bg-soft); }
.page-head--neuro { background: radial-gradient(700px 300px at 8% 0%, color-mix(in srgb, var(--neuro) 12%, transparent), transparent 65%), var(--bg-soft); }
.page-head h1 { font-size: clamp(1.85rem, 1.4rem + 2vw, 2.9rem); }
.page-head p { margin-top: 14px; max-width: 720px; }
.breadcrumb { font-size: .84rem; color: var(--ink-3); margin-bottom: 14px; }
.breadcrumb a { color: var(--ink-3); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); text-decoration: underline; }
.breadcrumb span { margin-inline: 7px; opacity: .6; }

/* ---------- In-page anchor nav ---------- */
.anchor-nav { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 24px; }
.anchor-nav a {
  font-size: .86rem; font-weight: 550; text-decoration: none; color: var(--ink-2);
  padding: 7px 13px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--surface);
  transition: all .16s ease;
}
.anchor-nav a:hover { color: var(--ink); border-color: var(--ink-3); }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-sunken); border-top: 1px solid var(--line); padding-block: 56px 32px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 34px; }
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); margin-bottom: 14px; }
.footer-links { list-style: none; padding: 0; display: grid; gap: 9px; font-size: .93rem; }
.footer-links a { color: var(--ink-2); text-decoration: none; }
.footer-links a:hover { color: var(--ink); text-decoration: underline; }
.footer-about p { font-size: .92rem; color: var(--ink-3); margin-top: 12px; max-width: 36ch; }
.footer-bottom {
  margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: .85rem; color: var(--ink-3);
}

/* ---------- Reveal ---------- */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.is-visible { opacity: 1; transform: none; transition: opacity .6s cubic-bezier(.2,.7,.3,1), transform .6s cubic-bezier(.2,.7,.3,1); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .track-filter, .btn-row, .anchor-nav, .skip-link { display: none !important; }
  body { font-size: 11pt; color: #000; background: #fff; }
  .section { padding-block: 12pt; }
  .card, .slot, .table-wrap, .callout { box-shadow: none; border-color: #ccc; break-inside: avoid; }
  a { text-decoration: none; color: #000; }
}