/* Главная, новости, 404 — тёмный хром. Базовые токены в chrome.css. */

body {
  background:
    radial-gradient(1200px 700px at 78% -10%, rgba(255,255,255,.07), transparent 60%),
    radial-gradient(900px 600px at -10% 40%, rgba(255,255,255,.04), transparent 60%),
    var(--bg);
}
main, .foot { position: relative; z-index: 2; }
main > section { overflow-x: clip; }

.deco {
  position: absolute; pointer-events: none; user-select: none; z-index: 0;
  filter: drop-shadow(0 18px 30px rgba(0,0,0,.7));
  will-change: transform;
}
.d-s1 { width: 54px; top: 22%; left: 46%; animation: float-spin 9s ease-in-out infinite; }
.d-s2 { width: 30px; top: 70%; left: 8%; animation: float-spin 7s -2s ease-in-out infinite; }
.d-s3 { width: 22px; top: 16%; right: 6%; animation: float-spin 6s -4s ease-in-out infinite; }
.d-s4 { width: 46px; right: 6%; top: 40px; animation: float-spin 8s ease-in-out infinite; }
.d-s5 { width: 40px; right: 12%; top: 18%; animation: float-spin 7s ease-in-out infinite; }
.d-o1 { width: 120px; left: 36%; bottom: 8%; opacity: .9; animation: bob 10s ease-in-out infinite; }
.d-o2 { width: 44px; right: 38%; top: 14%; opacity: .8; animation: bob 7s -3s ease-in-out infinite; }
.d-o3 { width: 90px; right: -20px; top: 30%; opacity: .8; animation: bob 9s ease-in-out infinite; }
.d-r1 { width: 260px; right: -60px; bottom: -30px; opacity: .5; animation: bob 12s ease-in-out infinite; }
.d-r2 { width: 360px; left: -110px; bottom: -70px; opacity: .45; }
@keyframes float-spin { 0%, 100% { transform: translateY(0) rotate(0) scale(1); } 50% { transform: translateY(-14px) rotate(45deg) scale(.85); } }
@keyframes bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-18px); } }

.label {
  display: flex; align-items: center; gap: 14px;
  font: 700 12px var(--display); letter-spacing: .24em; text-transform: uppercase; color: var(--muted);
  margin: 0 0 44px;
}
.label::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, var(--line-2), transparent); }

/* ---------- навигация ---------- */
.nav {
  position: fixed; top: 14px; left: 50%; translate: -50% 0; z-index: 50;
  width: min(1180px, calc(100% - 24px));
  display: flex; align-items: center; gap: 20px;
  padding: 8px 8px 8px 14px;
  border-radius: 999px;
  background: rgba(12, 13, 15, .55);
  border: 1px solid var(--line);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  transition: background .4s, border-color .4s;
}
.nav.is-scrolled { background: rgba(12, 13, 15, .82); border-color: var(--line-2); }
.nav__logo { width: 64px; flex: none; display: block; }
.nav__logo.is-knocked .logo { scale: .9; transition: scale .12s; }
.nav__links { display: flex; gap: clamp(10px, 2.4vw, 30px); flex: 1; justify-content: center; font: 600 14px var(--sans); }
.nav__links a { text-decoration: none; color: var(--muted); transition: color .25s; }
.nav__links a:hover { color: var(--text); }

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 4vw;
  padding: 130px var(--gutter) 80px;
  max-width: 1320px; margin: 0 auto;
}
.hero__text { position: relative; z-index: 2; }
.hero__meta { display: flex; gap: 22px; margin: 0; font: 700 12px var(--display); letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.hero__meta span + span::before { content: '✦'; margin-right: 22px; color: #c9cbce; }
.hero__title { margin: 10px 0 0; font: 700 clamp(180px, 26vw, 400px)/.82 var(--display); letter-spacing: -.055em; }
.hero__title span { display: inline-block; padding-right: .06em; }
.hero__sub { margin: 18px 0 34px; font: 600 clamp(18px, 1.6vw, 22px) var(--sans); color: var(--muted); }
.hero__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero__logo { position: relative; z-index: 2; filter: drop-shadow(0 40px 60px rgba(0,0,0,.8)); }
.hero__logo::before {
  content: ''; position: absolute; inset: 10% 5%; z-index: -1;
  background: radial-gradient(closest-side, rgba(255,255,255,.12), transparent);
  filter: blur(20px);
}

/* ---------- о классе ---------- */
.about, .chron, .klass, .news, .dive { max-width: 1320px; margin: 0 auto; padding: 14vh var(--gutter) 0; position: relative; }
.about { display: grid; grid-template-columns: 1.1fr .9fr; gap: 0 6vw; }
.about .label { grid-column: 1 / -1; }
.about__text p { font: 600 clamp(22px, 2.3vw, 32px)/1.35 var(--sans); letter-spacing: -.01em; margin: 0 0 .7em; }
.about__text .about__teacher { font-size: 16px; color: var(--muted); font-weight: 500; letter-spacing: 0; }
.about__photo { margin: 0; border-radius: 26px; overflow: hidden; border: 1px solid var(--line); position: relative; z-index: 1; }
.about__photo > * { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

.ph {
  display: grid; place-items: end start;
  background:
    radial-gradient(80% 60% at 70% 20%, rgba(255,255,255,.12), transparent 60%),
    linear-gradient(160deg, #1b1c1f, #0b0b0d);
}
.ph span { padding: 18px 20px; font: 700 12px var(--display); letter-spacing: .18em; text-transform: uppercase; color: var(--muted); }

/* ---------- хроника ---------- */
.chron__list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.chron__item { padding: 30px 28px 32px; position: relative; overflow: hidden; transition: transform .5s var(--ease), border-color .4s; }
.chron__item::after {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,.07) 50%, transparent 60%);
  translate: -100% 0; transition: translate 1s var(--ease);
}
.chron__item:hover { transform: translateY(-4px); border-color: var(--line-2); }
.chron__item:hover::after { translate: 100% 0; }
.chron__years { font: 700 64px/1 var(--display); letter-spacing: -.04em; }
.chron__unit { margin-left: 8px; font: 700 11px var(--display); letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.chron__item h3 { font: 700 20px/1.2 var(--display); margin: 18px 0 6px; }
.chron__item p { margin: 12px 0 0; color: var(--muted); }

/* ---------- класс ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 70px; }
.stat { padding: 8px 0 0; border-top: 1px solid var(--line-2); }
.stat b { display: block; font: 700 clamp(56px, 7vw, 104px)/1 var(--display); letter-spacing: -.05em; padding: 14px 0 6px; }
.stat span { color: var(--muted); font-weight: 600; }
.people { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; position: relative; z-index: 1; }
.person { margin: 0; display: flex; align-items: center; gap: 14px; padding: 14px; border-radius: 18px; background: var(--panel); border: 1px solid var(--line); transition: border-color .3s, background .3s; }
.person:hover { border-color: var(--line-2); background: var(--panel-2); }
.person__ava {
  flex: none; width: 54px; height: 54px; border-radius: 50%; padding: 2px;
  background: var(--chrome);
}
.person__ava > * { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.person__ava span { display: grid; place-items: center; background: #101113; font: 700 20px var(--display); }
.person figcaption { font-weight: 700; line-height: 1.25; }
.person small { display: block; font-weight: 500; color: var(--muted); font-size: 13px; }

/* ---------- новости ---------- */
.news__head { display: flex; align-items: flex-start; gap: 20px; }
.news__head .label { flex: 1; }
.news__list { border-top: 1px solid var(--line); }
.nrow a {
  display: grid; grid-template-columns: 180px 1fr auto; gap: 30px; align-items: center;
  padding: 28px 6px; text-decoration: none; border-bottom: 1px solid var(--line);
  transition: background .35s, padding .45s var(--ease);
}
.nrow a:hover { background: linear-gradient(90deg, rgba(255,255,255,.04), transparent); padding-left: 18px; }
.nrow time { font: 700 12px var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.nrow h3 { font: 700 clamp(20px, 2vw, 26px)/1.2 var(--display); margin: 0 0 6px; letter-spacing: -.01em; }
.nrow--lead h3 { font-size: clamp(28px, 3.4vw, 46px); }
.nrow p { margin: 0; color: var(--muted); max-width: 70ch; }
.nrow__arrow { font-size: 24px; color: var(--muted); transition: translate .4s var(--ease), color .3s; }
.nrow a:hover .nrow__arrow { translate: 6px 0; color: var(--text); }
.nrow__cover { width: 160px; border-radius: 14px; overflow: hidden; }
.nrow__cover img { aspect-ratio: 4 / 3; object-fit: cover; width: 100%; }
.empty { color: var(--muted); padding: 30px 0; }

/* ---------- айсберг-баннер ---------- */
.dive { padding-bottom: 14vh; }
.dive__inner { position: relative; overflow: hidden; text-align: center; padding: 12vh 24px; }
.dive__inner h2 { font: 700 clamp(56px, 9vw, 140px)/.9 var(--display); letter-spacing: -.05em; margin: 0 0 18px; }
.dive__inner p { color: var(--muted); font-size: 18px; margin: 0 auto 34px; max-width: 46ch; position: relative; }
.dive__inner .btn { position: relative; }

/* ---------- футер ---------- */
.foot { padding: 0 var(--gutter) 40px; max-width: 1320px; margin: 0 auto; }
.foot__logo { width: 120px; }
.foot__big { font: 700 clamp(140px, 28vw, 420px)/.8 var(--display); letter-spacing: -.07em; margin-top: -10px; opacity: .9; }
.foot__cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
.foot__cols p { margin: 0; }
.foot__cols a { color: var(--text); text-decoration: none; }

/* ---------- новости: список и статья ---------- */
.page { padding: 150px var(--gutter) 14vh; max-width: 1320px; margin: 0 auto; }
.page-head { position: relative; margin-bottom: 40px; }
.page-head h1 { font: 700 clamp(72px, 14vw, 220px)/.85 var(--display); letter-spacing: -.055em; margin: 0; }
.page-head .deco { top: 10px; left: auto; right: 10%; }

.post { padding: 150px var(--gutter) 14vh; }
.post__inner { max-width: 720px; margin: 0 auto; }
.post__back { color: var(--muted); text-decoration: none; font-weight: 600; }
.post__back:hover { color: var(--text); }
.post h1 { font: 700 clamp(36px, 5vw, 60px)/1.04 var(--display); letter-spacing: -.03em; margin: 24px 0 14px; }
.post__meta { color: var(--muted); margin: 0 0 36px; }
.post__cover { margin: 0 0 36px; border-radius: 20px; overflow: hidden; }
.post__body { font-size: 19px; line-height: 1.7; color: #d9dadd; }
.post__body p { margin: 0 0 1.1em; }
.post__body h2, .post__body h3 { font-family: var(--display); color: var(--text); line-height: 1.2; margin: 1.6em 0 .5em; letter-spacing: -.01em; }
.post__body h2 { font-size: 28px; }
.post__body h3 { font-size: 22px; }
.post__body blockquote { margin: 1.4em 0; padding: 4px 0 4px 22px; border-left: 2px solid #d4d6d9; font-size: 22px; color: var(--text); }
.post__body figure { margin: 1.6em 0; }
.post__body figure img { width: 100%; border-radius: 16px; }
.post__body figcaption { font-size: 14px; color: var(--muted); text-align: center; margin-top: 8px; }
.post__body hr { border: 0; height: 1px; margin: 2.4em 0; background: linear-gradient(90deg, transparent, var(--line-2), transparent); }
.post__body a { color: #fff; }

.nf { min-height: 80vh; padding: 180px var(--gutter); text-align: center; }
.nf h1 { font: 700 clamp(140px, 30vw, 380px)/.8 var(--display); margin: 0; letter-spacing: -.06em; }
.nf p { color: var(--muted); font-size: 20px; margin: 20px 0 30px; }

/* ---------- появление ---------- */
.reveal { opacity: 0; translate: 0 30px; filter: blur(6px); transition: opacity 1s ease, translate 1.1s var(--ease), filter 1s ease; }
.reveal.is-in { opacity: 1; translate: 0 0; filter: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; translate: none; filter: none; transition: none; }
  .deco { animation: none !important; }
}

/* ---------- адаптив ---------- */
@media (max-width: 1000px) {
  .hero { grid-template-columns: 1fr; padding-top: 120px; text-align: left; }
  .hero__logo { max-width: 460px; width: 80%; margin: 0 auto; grid-row: 1; }
  .about { grid-template-columns: 1fr; }
  .about__photo { margin-top: 30px; }
  .chron__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .people { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .nrow a { grid-template-columns: 1fr auto; gap: 8px 20px; }
  .nrow time { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .nav { padding-left: 10px; gap: 10px; }
  .nav__logo { width: 52px; }
  .nav__links { justify-content: flex-start; overflow-x: auto; scrollbar-width: none; }
  .nav__links a:nth-child(-n+3) { display: none; }
  .hero__title { font-size: 46vw; }
  .chron__list { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; gap: 20px 16px; }
  .people { grid-template-columns: 1fr; }
  .nrow__cover { width: 90px; }
  .foot__cols { grid-template-columns: 1fr; }
  .d-o1 { width: 70px; }
  .d-s1 { left: 70%; }
}