/* Главная страница виртуальной лаборатории кафедры: живая 3D-шапка, полоса цифр, дисциплины,
   бенто-сетка кампании ИТЛН и общие стенды. Цвета — только из theme.css (светлая и тёмная темы). */
:root { font: 16px/1.55 var(--t-font); --gut: max(16px, env(safe-area-inset-left, 0px)); --gut-r: max(16px, env(safe-area-inset-right, 0px)); }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; }
a { color: inherit; }
.wrap { width: min(1280px, 100%); margin: 0 auto; padding-left: var(--gut); padding-right: var(--gut-r); }
.mono { font-family: var(--t-mono); font-variant-numeric: tabular-nums; }
.label { font: 600 11px/1.2 var(--t-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--t-muted); }

/* ---------- Шапка: сцена ядра на весь экран ---------- */
.hero { --scene-x: 50%; position: relative; min-height: 100svh; display: grid; grid-template-rows: auto 1fr auto; overflow: hidden; isolation: isolate; background: var(--t-bg); }
#hero3d { position: absolute; inset: 0; width: 100%; height: 100%; display: block; z-index: -2; pointer-events: none; opacity: 0; transition: opacity .9s ease; }
.hero.live #hero3d { opacity: 1; }
.hero.building #hero3d { opacity: .35; transition-duration: .2s; }
/* плашка сборки мира: полоса движется через transform — композитор рисует её, пока основной поток строит мир */
.build { position: absolute; z-index: 2; left: var(--scene-x, 50%); top: 50%; translate: -50% -50%; width: min(420px, calc(100% - 32px)); display: grid; gap: 12px; padding: 16px 18px;
  border-radius: 16px; border: 1px solid var(--t-line-2); background: var(--t-raised); box-shadow: var(--t-shadow); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  font-size: 14px; color: var(--t-ink-2); opacity: 0; visibility: hidden; transition: opacity .2s, visibility 0s .2s; pointer-events: none; }
.hero.building .build { opacity: 1; visibility: visible; transition: opacity .15s; }
.build-t span { color: var(--t-ink); font-weight: 650; }
.build-bar { position: relative; height: 4px; border-radius: 4px; overflow: hidden; background: var(--t-accent-soft); }
.build-bar i { position: absolute; inset: 0 auto 0 0; width: 40%; border-radius: 4px; background: var(--t-accent); animation: sweep 1.1s cubic-bezier(.45, 0, .55, 1) infinite; will-change: transform; }
@keyframes sweep { from { transform: translateX(-100%); } to { transform: translateX(250%); } }
.built-t { position: absolute; z-index: 2; left: var(--scene-x, 50%); top: 50%; translate: -50% -50%; padding: 8px 12px; border-radius: 999px; background: var(--t-raised); border: 1px solid var(--t-line);
  color: var(--t-ok); opacity: 0; transition: opacity .4s; pointer-events: none; }
.hero.built .built-t { opacity: 1; }
.chip:disabled { cursor: progress; }
.hero.static { background: var(--t-bg) url('../previews/hero.jpg') center / cover no-repeat; }
.hero.static #hero3d { display: none; }
/* затенение под текст: слева и снизу — цвет страницы, справа сцена открыта */
.hero::before { content: ''; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background: linear-gradient(90deg, color-mix(in srgb, var(--t-bg) 92%, transparent) 0%, color-mix(in srgb, var(--t-bg) 62%, transparent) 34%, transparent 64%),
              linear-gradient(0deg, var(--t-bg) 0%, color-mix(in srgb, var(--t-bg) 60%, transparent) 16%, transparent 36%),
              linear-gradient(180deg, color-mix(in srgb, var(--t-bg) 70%, transparent) 0%, transparent 14%); }

.org .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 18px; padding-block: 14px; font-size: 14px; color: var(--t-muted); }
.org .mark { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 9px; border: 1.5px solid var(--t-accent); color: var(--t-accent); font: 800 12px/1 var(--t-mono); letter-spacing: .06em; }
.org b { color: var(--t-ink); font-weight: 600; }
.org .right { margin-left: auto; display: flex; gap: 14px; align-items: center; }
.org a { color: var(--t-accent); text-decoration: none; } .org a:hover { text-decoration: underline; }
.org a.brand { display: inline-flex; align-items: center; gap: 10px; flex: none; color: var(--t-ink); font: 600 19px/1 var(--t-font); letter-spacing: -.01em; text-decoration: none; }
.org a.brand img { display: block; }
.org a.brand b { color: var(--t-accent); font-weight: 800; }
.org a.brand + span { border-left: 1px solid var(--t-line-2); padding-left: 16px; }

.hero-main { align-self: end; padding-block: 4vh 3vh; }
.hero h1 { margin: 12px 0 20px; font-weight: 820; font-size: clamp(40px, min(7.2vw, 11vh), 116px); line-height: .9; letter-spacing: -.045em; }
.hero h1 span { display: block; white-space: nowrap; animation: rise .9s cubic-bezier(.2, .7, .1, 1) both; }
.hero h1 span:nth-child(2) { animation-delay: .08s; }
.hero h1 span:nth-child(3) { animation-delay: .16s; color: var(--t-accent); }
@keyframes rise { from { opacity: 0; transform: translateY(.35em); } to { opacity: 1; transform: none; } }
.hero .lead { max-width: 54ch; margin: 0 0 26px; font-size: clamp(17px, 1.5vw, 20px); color: var(--t-ink-2); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 999px; border: 1px solid var(--t-line-2); background: var(--t-raised);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); text-decoration: none; font-weight: 600; transition: border-color .15s, transform .15s; }
.btn:hover { border-color: var(--t-accent); transform: translateY(-1px); }
.btn.primary { background: var(--t-accent); border-color: var(--t-accent); color: var(--t-accent-ink); }
.btn.small { padding: 7px 14px; font-size: 14px; font-weight: 500; }

/* нижняя полоса шапки: выбор мира и приборы */
.hero-bar { padding-block: 0 22px; }
.hero-bar .wrap { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 14px; }
.worlds { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.worlds .label { margin-right: 6px; }
.chip { font: 500 13px/1 var(--t-font); padding: 8px 13px; border-radius: 999px; border: 1px solid var(--t-line-2); background: var(--t-raised); color: var(--t-ink);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); cursor: pointer; }
.chip:hover { border-color: var(--t-accent); }
.chip[aria-pressed="true"] { background: var(--t-ink); color: var(--t-bg); border-color: var(--t-ink); }
.hero.static .worlds { display: none; }
.hud { display: grid; grid-template-columns: repeat(3, auto); gap: 10px 22px; padding: 14px 18px; border-radius: 14px; border: 1px solid var(--t-line);
  background: var(--t-raised); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.hud div { display: grid; gap: 3px; }
.hud .mono { font-size: 15px; color: var(--t-ink); white-space: nowrap; }
.hud .wide { grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 16px; padding-bottom: 8px; border-bottom: 1px solid var(--t-line); }
.hud .wide b { font-weight: 650; }
.hud .rec { color: var(--t-ok); } .hud .rec::before { content: '● '; animation: blink 1.6s steps(2) infinite; }
@keyframes blink { 50% { opacity: .25; } }
.hero.static .hud { display: none; }

/* ---------- Полоса цифр ---------- */
.facts { border-block: 1px solid var(--t-line); background: var(--t-surface); }
.facts .wrap { display: grid; grid-template-columns: repeat(5, 1fr); }
.fact { padding-block: 26px; padding-right: 12px; border-left: 1px solid var(--t-line); padding-left: 18px; }
.fact:first-child { border-left: 0; padding-left: 0; }
.fact b { display: block; font: 700 clamp(34px, 4vw, 54px)/1 var(--t-mono); letter-spacing: -.04em; color: var(--t-ink); }
.fact span { display: block; margin-top: 8px; font-size: 14px; color: var(--t-muted); }

/* ---------- Разделы ---------- */
section { padding-block: clamp(56px, 9vw, 112px); }
.head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 12px 32px; margin-bottom: 32px; }
.head h2 { margin: 8px 0 0; font-size: clamp(30px, 4.2vw, 58px); line-height: 1; letter-spacing: -.035em; font-weight: 800; text-wrap: balance; }
.head p { margin: 0; max-width: 48ch; color: var(--t-muted); }

/* дисциплины */
.disc { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 14px; }
.d { position: relative; display: flex; flex-direction: column; gap: 10px; min-width: 0; padding: 24px; border-radius: 20px; border: 1px solid var(--t-line); background: var(--t-surface); text-decoration: none; transition: border-color .2s, transform .2s; }
.d:hover { border-color: var(--t-accent); transform: translateY(-2px); }
.d .code { font: 800 clamp(40px, 5vw, 68px)/.9 var(--t-mono); letter-spacing: -.05em; }
.d.main .code { color: var(--t-accent); }
.d h3 { margin: 0; font-size: 19px; line-height: 1.25; }
.d p { margin: 0; color: var(--t-muted); font-size: 15px; }
.d .st { margin-top: auto; padding-top: 10px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.pill { font: 600 12px/1 var(--t-mono); padding: 6px 10px; border-radius: 999px; }
.pill.ok { background: var(--t-ok-soft); color: var(--t-ok); }
.pill.soon { background: var(--t-warn-soft); color: var(--t-warn); }
.pill.n { background: var(--t-surface-2); color: var(--t-muted); border: 1px solid var(--t-line); }

/* бенто-сетка кампании */
/* четыре блока по две строки: большая плитка, две обычные и широкая — места заполняются без пропусков в порядке номеров */
.bento { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 210px; gap: 12px; }
.t { position: relative; overflow: hidden; border-radius: 18px; border: 1px solid var(--t-line); background: var(--t-surface-2) center / cover no-repeat; text-decoration: none; color: #fff; isolation: isolate; min-width: 0; }
.t.big { grid-column: span 2; grid-row: span 2; }
.t.wide { grid-column: span 2; }
.t img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .6s cubic-bezier(.2, .7, .1, 1); }
.t::after { content: ''; position: absolute; inset: 0; z-index: -1; background: linear-gradient(0deg, rgba(4, 8, 14, .88) 0%, rgba(4, 8, 14, .45) 42%, rgba(4, 8, 14, 0) 72%); }
.t:hover img { transform: scale(1.05); }
.t:focus-visible { outline: 3px solid var(--t-accent); outline-offset: 2px; }
.t .in { position: absolute; inset: auto 0 0 0; padding: 16px 18px; display: grid; gap: 6px; }
.t .no { font: 800 13px/1 var(--t-mono); letter-spacing: .08em; color: rgba(255, 255, 255, .78); }
.t.big .no { font-size: 15px; }
.t h3 { margin: 0; font-size: 17px; line-height: 1.22; font-weight: 700; text-wrap: balance; }
.t.big h3 { font-size: clamp(22px, 2.2vw, 30px); letter-spacing: -.02em; }
.t .w { position: absolute; top: 12px; left: 12px; font: 600 11px/1 var(--t-mono); letter-spacing: .06em; padding: 6px 9px; border-radius: 999px; background: rgba(4, 8, 14, .55); color: #fff; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.t .w.d2 { background: rgba(4, 8, 14, .55); }
.chapters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }

/* общие стенды */
.stands { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.s { display: grid; grid-template-rows: 190px auto; border-radius: 18px; overflow: hidden; border: 1px solid var(--t-line); background: var(--t-surface); text-decoration: none; min-width: 0; transition: border-color .2s; }
.s:hover { border-color: var(--t-accent); }
.s .img { background: var(--t-surface-2) center / cover no-repeat; }
.s .b { padding: 18px 20px 20px; }
.s h3 { margin: 0 0 6px; font-size: 18px; }
.s p { margin: 0; font-size: 15px; color: var(--t-muted); }

footer { border-top: 1px solid var(--t-line); padding-block: 34px 48px; color: var(--t-muted); font-size: 14px; }
footer b { color: var(--t-ink); }
footer a { color: var(--t-accent); }
footer .wrap { display: grid; gap: 10px; }

/* ---------- Быстрая проверка компьютера (панель поверх шапки) ---------- */
.check { position: absolute; z-index: 3; top: 76px; right: max(16px, env(safe-area-inset-right, 0px)); width: min(400px, calc(100% - 32px)); max-height: calc(100% - 96px); overflow: auto;
  display: grid; gap: 12px; padding: 18px; border-radius: 18px; border: 1px solid var(--t-line-2); background: var(--t-raised); box-shadow: var(--t-shadow);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); }
.check[data-state="ok"] { border-color: var(--t-ok); } .check[data-state="warn"] { border-color: var(--t-warn); } .check[data-state="bad"] { border-color: var(--t-bad); }
.ck-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.ck-close { border: 0; background: none; color: var(--t-muted); font-size: 16px; cursor: pointer; padding: 4px 6px; border-radius: 8px; }
.ck-close:hover { color: var(--t-ink); background: var(--t-surface-2); }
.ck-intro { margin: 0; font-size: 14px; color: var(--t-muted); }
.check[data-state]:not([data-state="run"]) .ck-intro { display: none; }
.ck-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; }
.ck-steps li { display: grid; grid-template-columns: 1fr auto; gap: 12px; align-items: baseline; padding: 7px 0; border-bottom: 1px solid var(--t-line); font-size: 14px; }
.ck-l { color: var(--t-ink-2); }
.ck-v { font-size: 13px; text-align: right; color: var(--t-muted); max-width: 22ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ck-steps li:not([data-s]) .ck-v { animation: blink 1s steps(2) infinite; }
.ck-steps li[data-s="ok"] .ck-v { color: var(--t-ok); } .ck-steps li[data-s="warn"] .ck-v { color: var(--t-warn); } .ck-steps li[data-s="bad"] .ck-v { color: var(--t-bad); }
.ck-out { display: grid; gap: 8px; }
.ck-verdict { font-size: 19px; line-height: 1.25; letter-spacing: -.01em; }
.check[data-state="ok"] .ck-verdict { color: var(--t-ok); } .check[data-state="warn"] .ck-verdict { color: var(--t-warn); } .check[data-state="bad"] .ck-verdict { color: var(--t-bad); }
.ck-note { margin: 0; font-size: 14px; color: var(--t-ink-2); }
.ck-act { display: flex; flex-wrap: wrap; gap: 8px; }
.ck-json { width: 100%; height: 120px; font-size: 11px; border-radius: 10px; border: 1px solid var(--t-line); background: var(--t-code); color: var(--t-ink); padding: 8px; }
.ck-run { justify-self: start; }
.ck-run:disabled { opacity: .7; cursor: progress; }
button.btn { font: inherit; font-weight: 600; color: inherit; cursor: pointer; }
button.btn.small { font-weight: 500; }
@media (max-width: 720px) {
  .check { position: fixed; top: auto; bottom: max(8px, env(safe-area-inset-bottom, 0px)); left: max(8px, env(safe-area-inset-left, 0px)); right: max(8px, env(safe-area-inset-right, 0px)); width: auto; max-height: 72svh; }
}

/* появление при прокрутке — только если пользователь не просил меньше движения */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s cubic-bezier(.2, .7, .1, 1); }
  .reveal.on { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) { .build-bar i { animation-duration: 3s; }
  .hero h1 span { animation: none; } .hud .rec::before { animation: none; } }

@media (min-width: 900px) { .hero { --scene-x: 70%; } }
@media (max-width: 1000px) {
  .disc { grid-template-columns: 1fr; }
  .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
  .stands { grid-template-columns: 1fr; }
  .facts .wrap { grid-template-columns: repeat(3, 1fr); }
  .fact:nth-child(4) { border-left: 0; padding-left: 0; }
  .fact:nth-child(n+4) { border-top: 1px solid var(--t-line); }
}
@media (max-width: 720px) {
  .org .dept, .org .right a { display: none; }
  .org .wrap { flex-wrap: nowrap; font-size: 13px; }
  .org a.brand { font-size: 17px; }
  .org a.brand img { width: 32px; height: 32px; }
  .hero h1 { font-size: min(10.4vw, 52px); }
  .hero-main { padding-block: 6vh 2vh; }
  .hero::before { background: linear-gradient(0deg, var(--t-bg) 0%, color-mix(in srgb, var(--t-bg) 78%, transparent) 45%, color-mix(in srgb, var(--t-bg) 35%, transparent) 100%); }
  .hud { grid-template-columns: repeat(3, 1fr); gap: 8px 12px; padding: 12px 14px; width: 100%; }
  .hud .mono { font-size: 13px; }
  .facts .wrap { grid-template-columns: repeat(2, 1fr); }
  .fact, .fact:nth-child(4) { border-left: 0; padding-left: 0; border-top: 1px solid var(--t-line); }
  .fact:nth-child(-n+2) { border-top: 0; }
  .fact:nth-child(even) { padding-left: 16px; border-left: 1px solid var(--t-line); }
  .fact:last-child { grid-column: 1 / -1; padding-left: 0; border-left: 0; }
  .bento { grid-template-columns: 1fr; grid-auto-rows: 200px; }
  .t.big, .t.wide { grid-column: auto; grid-row: auto; }
  .t.big { height: 280px; }
}

/* ссылка «Кабинет» в верхней строке: видна и на телефоне */
.org .right a.cab { display: inline-flex; align-items: center; height: 34px; padding: 0 14px; border-radius: 999px; background: var(--t-accent); color: var(--t-accent-ink); font-weight: 600; text-decoration: none; }
.org .right a.cab:hover { text-decoration: none; filter: brightness(1.08); }