/* ============================================================================
   ОНЛАЙН-ПЛАТФОРМА «КОРОНА» — дизайн-система
   Тёмная премиум-тема с золотым акцентом + светлая тема + версия для слабовидящих
   ========================================================================== */

/* ---------- 1. Токены ---------- */
:root {
  --bg:            #080B14;
  --bg-2:          #0C1120;
  --surface:       rgba(255,255,255,.045);
  --surface-2:     rgba(255,255,255,.075);
  --stroke:        rgba(255,255,255,.10);
  --stroke-strong: rgba(255,255,255,.18);

  --text:          #EAEEF8;
  --text-dim:      #A3AEC6;
  --text-faint:    #6C7893;

  --gold:          #F2B838;
  --gold-soft:     #FFD980;
  --gold-deep:     #B9821A;
  --azure:         #5B9DFF;
  --mint:          #35D6A6;
  --rose:          #FF7A85;

  --glass-bg:      rgba(14,19,33,.66);
  --glass-blur:    22px;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow-md: 0 12px 30px -12px rgba(0,0,0,.65);
  --shadow-lg: 0 40px 80px -40px rgba(0,0,0,.85);
  --glow-gold: 0 18px 50px -20px rgba(242,184,56,.55);

  --r-xs: 8px;  --r-sm: 12px; --r-md: 18px; --r-lg: 26px; --r-xl: 36px; --r-pill: 999px;

  --step:  clamp(.9rem, .86rem + .2vw, 1rem);
  --gap:   clamp(1rem, .6rem + 1.4vw, 1.75rem);
  --pad-y: clamp(3.5rem, 2rem + 6vw, 8rem);
  --wrap:  1200px;

  --ease-out: cubic-bezier(.22,.9,.28,1);      /* критически задемпфированное ощущение */
  --ease-in:  cubic-bezier(.72,.02,.78,.1);    /* зеркальная кривая для обратного хода */
  --ease-spring: cubic-bezier(.16,1.1,.3,1);   /* лёгкий овершут для «броска» */
  --t-fast: 140ms; --t: 260ms; --t-slow: 420ms;

  color-scheme: dark;
}

:root[data-theme="light"] {
  --bg:            #F6F8FC;
  --bg-2:          #EDF1F8;
  --surface:       rgba(12,20,40,.035);
  --surface-2:     rgba(12,20,40,.06);
  --stroke:        rgba(12,24,48,.10);
  --stroke-strong: rgba(12,24,48,.20);

  --text:          #10182B;
  --text-dim:      #4B5875;
  --text-faint:    #7A87A3;

  --gold:          #B8860B;
  --gold-soft:     #E0A42A;
  --gold-deep:     #8A6108;
  --azure:         #2563EB;
  --mint:          #0E9E76;

  --glass-bg:      rgba(255,255,255,.72);
  --shadow-md: 0 12px 30px -14px rgba(16,26,50,.28);
  --shadow-lg: 0 40px 80px -44px rgba(16,26,50,.35);
  --glow-gold: 0 18px 44px -22px rgba(184,134,11,.45);
  color-scheme: light;
}

/* ---------- 2. Базовое ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, "Helvetica Neue", Arial, sans-serif;
  font-size: var(--step);
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* фоновая «атмосфера»: мягкий свет + математическая сетка */
body::before {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none;
  background:
    radial-gradient(900px 600px at 12% -8%, rgba(242,184,56,.16), transparent 60%),
    radial-gradient(760px 560px at 92% 4%,  rgba(91,157,255,.14), transparent 62%),
    radial-gradient(1100px 700px at 50% 108%, rgba(53,214,166,.10), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 55%, var(--bg) 100%);
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: .5;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 20%, transparent 78%);
  mask-image: radial-gradient(ellipse 120% 80% at 50% 0%, #000 20%, transparent 78%);
}
:root[data-theme="light"] body::after { background-image:
    linear-gradient(to right, rgba(16,26,50,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(16,26,50,.06) 1px, transparent 1px); }

img, svg, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }

:where(a, button, input, select, textarea, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: var(--r-xs);
}

::selection { background: var(--gold); color: #0A0D16; }

/* ---------- 3. Типографика ---------- */
h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 700; line-height: 1.12; letter-spacing: -.02em; }
.display {
  font-size: clamp(2.25rem, 1.3rem + 4.2vw, 4.25rem);
  line-height: 1.02; letter-spacing: -.035em; font-weight: 800; margin: 0 0 .35em;
}
h1 { font-size: clamp(2rem, 1.2rem + 3.2vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 1.1rem + 2vw, 2.6rem); letter-spacing: -.025em; }
h3 { font-size: clamp(1.15rem, 1rem + .7vw, 1.45rem); letter-spacing: -.015em; }
h4 { font-size: 1.05rem; letter-spacing: -.01em; }
p  { margin: 0 0 1em; }
p:last-child, ul:last-child, ol:last-child { margin-bottom: 0; }
strong { font-weight: 650; color: var(--text); }
small { font-size: .82em; }

.lead { font-size: clamp(1.02rem, .95rem + .5vw, 1.28rem); color: var(--text-dim); line-height: 1.6; }
.muted { color: var(--text-dim); }
.faint { color: var(--text-faint); font-size: .9em; }
.mono { font-family: ui-monospace, "SF Mono", "JetBrains Mono", "Cascadia Code", Consolas, monospace; font-size: .92em; }
.gold-text {
  background: linear-gradient(100deg, var(--gold-soft), var(--gold) 45%, var(--gold-deep));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.balance { text-wrap: balance; }

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .74rem; font-weight: 650; letter-spacing: .16em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 1rem;
}
.eyebrow::before { content: ""; width: 26px; height: 1px; background: currentColor; opacity: .6; }

/* ---------- 4. Раскладка ---------- */
.wrap { width: min(100% - 2.4rem, var(--wrap)); margin-inline: auto; }
.wrap-narrow { width: min(100% - 2.4rem, 860px); margin-inline: auto; }
.section { padding-block: var(--pad-y); position: relative; }
.section--tight { padding-block: clamp(2rem, 1.5rem + 3vw, 4rem); }
.section-head { max-width: 720px; margin-bottom: clamp(2rem, 1rem + 3vw, 3.5rem); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .eyebrow::before { display: none; }

.grid { display: grid; gap: var(--gap); }
.g-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.g-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.g-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 960px) { .g-3, .g-4 { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 640px) { .g-2, .g-3, .g-4 { grid-template-columns: 1fr; } }
.stack > * + * { margin-top: 1rem; }
.row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }

/* ---------- 5. Поверхности ---------- */
.card {
  position: relative; padding: clamp(1.25rem, 1rem + 1vw, 2rem);
  background: var(--surface); border: 1px solid var(--stroke); border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--t) var(--ease-out), border-color var(--t) var(--ease-out), background var(--t) var(--ease-out);
}
.card--hover:hover { transform: translateY(-4px); border-color: var(--stroke-strong); background: var(--surface-2); }
.card--glow::after {
  content: ""; position: absolute; inset: -1px; border-radius: inherit; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx,50%) var(--my,0%), rgba(242,184,56,.18), transparent 45%);
  opacity: 0; transition: opacity var(--t) var(--ease-out);
}
.card--glow:hover::after { opacity: 1; }
.card--feature { background: linear-gradient(160deg, rgba(242,184,56,.12), var(--surface) 42%); border-color: rgba(242,184,56,.28); }
.card__ico {
  width: 46px; height: 46px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 1.1rem;
  background: linear-gradient(150deg, rgba(242,184,56,.2), rgba(242,184,56,.05));
  border: 1px solid rgba(242,184,56,.25); color: var(--gold);
}
.card__ico svg { width: 22px; height: 22px; }
.card__ico--azure { background: linear-gradient(150deg, rgba(91,157,255,.2), rgba(91,157,255,.05)); border-color: rgba(91,157,255,.25); color: var(--azure); }
.card__ico--mint  { background: linear-gradient(150deg, rgba(53,214,166,.2), rgba(53,214,166,.05)); border-color: rgba(53,214,166,.25); color: var(--mint); }

.glass {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  backdrop-filter: blur(var(--glass-blur)) saturate(170%);
  border: 1px solid var(--stroke);
}
.hr { height: 1px; border: 0; background: linear-gradient(90deg, transparent, var(--stroke-strong), transparent); margin: clamp(2rem,4vw,3.5rem) 0; }

/* ---------- 6. Кнопки и бейджи ---------- */
.btn {
  --btn-bg: var(--surface-2); --btn-fg: var(--text);
  display: inline-flex; align-items: center; justify-content: center; gap: .55rem;
  padding: .8rem 1.35rem; border-radius: var(--r-pill); border: 1px solid var(--stroke-strong);
  background: var(--btn-bg); color: var(--btn-fg);
  font-weight: 600; font-size: .95rem; letter-spacing: -.01em; cursor: pointer;
  transition: transform 110ms var(--ease-out), box-shadow var(--t) var(--ease-out), background var(--t) var(--ease-out), border-color var(--t) var(--ease-out);
  -webkit-tap-highlight-color: transparent; text-align: center;
}
.btn:hover { background: var(--stroke); }
.btn:active { transform: scale(.97); }           /* отклик на нажатие, а не на отпускание */
.btn--primary {
  --btn-bg: linear-gradient(135deg, var(--gold-soft), var(--gold) 55%, var(--gold-deep));
  --btn-fg: #14100A; border-color: transparent; box-shadow: var(--glow-gold);
}
.btn--primary:hover { box-shadow: 0 22px 60px -18px rgba(242,184,56,.75); background: linear-gradient(135deg, #FFE7B0, var(--gold-soft) 55%, var(--gold)); }
.btn--ghost { --btn-bg: transparent; }
.btn--lg { padding: 1rem 1.8rem; font-size: 1.02rem; }
.btn--sm { padding: .5rem .95rem; font-size: .85rem; }
.btn--block { display: flex; width: 100%; }
.btn svg { width: 18px; height: 18px; flex: none; }

.badge {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .3rem .7rem; border-radius: var(--r-pill);
  background: var(--surface-2); border: 1px solid var(--stroke);
  font-size: .76rem; font-weight: 600; letter-spacing: .01em; color: var(--text-dim);
}
.badge--gold { color: var(--gold); border-color: rgba(242,184,56,.35); background: rgba(242,184,56,.10); }
.badge--mint { color: var(--mint); border-color: rgba(53,214,166,.3);  background: rgba(53,214,166,.10); }
.badge--azure{ color: var(--azure); border-color: rgba(91,157,255,.3); background: rgba(91,157,255,.10); }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* ---------- 7. Шапка ---------- */
.header {
  position: sticky; top: 0; z-index: 60;
  transition: background var(--t) var(--ease-out), box-shadow var(--t) var(--ease-out), border-color var(--t) var(--ease-out);
  border-bottom: 1px solid transparent;
}
.header.is-stuck {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  border-bottom-color: var(--stroke); box-shadow: 0 10px 30px -22px rgba(0,0,0,.9);
}
.header__in { display: flex; align-items: center; gap: 1rem; min-height: 72px; }
.logo { display: inline-flex; align-items: center; gap: .65rem; font-weight: 750; letter-spacing: -.02em; font-size: 1.06rem; }
.logo__mark {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: linear-gradient(150deg, rgba(242,184,56,.95), rgba(185,130,26,.8));
  box-shadow: var(--glow-gold), inset 0 1px 0 rgba(255,255,255,.4); color: #14100A; flex: none;
}
.logo__mark svg { width: 22px; height: 22px; }
.logo__txt { line-height: 1.1; }
.logo__sub { display: block; white-space: nowrap; font-size: .66rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--text-faint); }

.nav { display: flex; align-items: center; gap: .15rem; margin-left: auto; }
.nav__links { display: flex; align-items: center; gap: .15rem; }
.nav a {
  white-space: nowrap; position: relative; padding: .5rem .8rem; border-radius: var(--r-pill);
  font-size: .93rem; font-weight: 550; color: var(--text-dim);
  transition: color var(--t) var(--ease-out), background var(--t) var(--ease-out);
}
.nav a:hover { color: var(--text); background: var(--surface-2); }
.nav a[aria-current="page"] { color: var(--gold); background: rgba(242,184,56,.10); }
.nav__actions { display: flex; align-items: center; gap: .5rem; margin-left: .5rem; }
@media (max-width: 620px) { .nav__actions .btn { display: none; } }
@media (max-width: 420px) { .logo__sub { display: none; } }

.icon-btn {
  width: 40px; height: 40px; display: grid; place-items: center; flex: none;
  border-radius: 50%; border: 1px solid var(--stroke); background: var(--surface);
  cursor: pointer; color: var(--text-dim);
  transition: transform 110ms var(--ease-out), color var(--t) var(--ease-out), border-color var(--t) var(--ease-out), background var(--t) var(--ease-out);
}
.icon-btn:hover { color: var(--gold); border-color: rgba(242,184,56,.4); background: rgba(242,184,56,.08); }
.icon-btn:active { transform: scale(.93); }
.icon-btn svg { width: 19px; height: 19px; }

.burger { display: none; }
@media (max-width: 1200px) {
  .nav__links { display: none; }
  .burger { display: grid; }
}

/* мобильное меню — уходит туда же, откуда пришло (вверх) */
.mobile-nav {
  position: fixed; inset: 0; z-index: 70; display: grid; grid-template-rows: auto 1fr;
  background: var(--glass-bg); -webkit-backdrop-filter: blur(26px) saturate(180%); backdrop-filter: blur(26px) saturate(180%);
  opacity: 0; visibility: hidden; transform: translateY(-12px);
  transition: opacity var(--t) var(--ease-in), transform var(--t) var(--ease-in), visibility var(--t);
}
.mobile-nav.is-open { opacity: 1; visibility: visible; transform: none; transition-timing-function: var(--ease-out); }
.mobile-nav__head { display: flex; align-items: center; min-height: 72px; }
.mobile-nav__body { overflow-y: auto; padding-bottom: 3rem; }
.mobile-nav a.mlink {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  padding: 1rem .25rem; border-bottom: 1px solid var(--stroke); font-size: 1.25rem; font-weight: 600; letter-spacing: -.02em;
}
.mobile-nav a.mlink span { color: var(--text-faint); font-size: .78rem; font-weight: 500; letter-spacing: 0; text-align: right; }

/* ---------- 8. Hero ---------- */
.hero { position: relative; padding-block: clamp(2.5rem, 2rem + 5vw, 6rem) clamp(3rem,2rem + 5vw,6rem); overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: 1.12fr .88fr; gap: clamp(1.5rem, 1rem + 3vw, 4rem); align-items: center; }
@media (max-width: 1000px) { .hero__grid { grid-template-columns: 1fr; } }
.hero__title { margin-bottom: .4em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.hero__note { margin-top: 1.75rem; display: flex; flex-wrap: wrap; gap: .6rem 1.5rem; color: var(--text-faint); font-size: .87rem; }
.hero__note b { color: var(--text); font-weight: 600; }

.hero__panel { position: relative; padding: clamp(1.25rem,1rem + 1vw,1.9rem); border-radius: var(--r-xl); box-shadow: var(--shadow-lg); }
.hero__panel .score { display: flex; align-items: baseline; gap: .6rem; }
.hero__panel .score b { font-size: clamp(2.4rem,2rem + 2.2vw,3.4rem); line-height: 1; letter-spacing: -.04em; }
.progress { height: 8px; border-radius: var(--r-pill); background: var(--surface-2); overflow: hidden; }
.progress > i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--gold-soft), var(--gold)); width: 0; transition: width 1.1s var(--ease-out); }
.hero__panel .task-row { display: flex; align-items: center; gap: .7rem; padding: .6rem 0; border-top: 1px solid var(--stroke); font-size: .9rem; }
.hero__panel .task-row i {
  width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; flex: none;
  background: rgba(53,214,166,.14); color: var(--mint); font-style: normal; font-size: .72rem; font-weight: 700;
}
.hero__panel .task-row.is-wait i { background: var(--surface-2); color: var(--text-faint); }
.hero__chips { position: absolute; inset: 0; pointer-events: none; }
.chip-float {
  position: absolute; padding: .45rem .8rem; border-radius: var(--r-pill);
  background: var(--glass-bg); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
  border: 1px solid var(--stroke-strong); font-size: .84rem; font-weight: 600; box-shadow: var(--shadow-md);
  will-change: transform; white-space: nowrap;
}
@media (max-width: 1000px) { .hero__chips { display: none; } }

/* ---------- 9. Статистика ---------- */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 1px; background: var(--stroke); border: 1px solid var(--stroke); border-radius: var(--r-lg); overflow: hidden; }
@media (max-width: 760px) { .stats { grid-template-columns: repeat(2, minmax(0,1fr)); } }
.stat { padding: clamp(1.1rem,1rem + .6vw,1.7rem); background: var(--bg-2); }
.stat b { display: block; font-size: clamp(1.7rem,1.3rem + 1.5vw,2.5rem); letter-spacing: -.035em; line-height: 1; margin-bottom: .35rem; }
.stat span { font-size: .86rem; color: var(--text-dim); }

/* ---------- 10. Модули программы ---------- */
.module {
  display: grid; grid-template-columns: auto 1fr auto; gap: 1.2rem; align-items: start;
  padding: 1.15rem 1.25rem; border: 1px solid var(--stroke); border-radius: var(--r-md);
  background: var(--surface); transition: border-color var(--t) var(--ease-out), background var(--t) var(--ease-out), transform var(--t) var(--ease-out);
}
.module:hover { border-color: rgba(242,184,56,.35); background: var(--surface-2); transform: translateX(4px); }
.module__num {
  width: 44px; height: 44px; flex: none; border-radius: 13px; display: grid; place-items: center;
  font-weight: 750; font-size: 1rem; letter-spacing: -.02em;
  background: linear-gradient(150deg, rgba(242,184,56,.22), rgba(242,184,56,.06)); color: var(--gold);
  border: 1px solid rgba(242,184,56,.28);
}
.module h3 { margin-bottom: .25rem; font-size: 1.08rem; }
.module p { margin: 0; color: var(--text-dim); font-size: .92rem; }
.module__meta { margin-top: .5rem; display: flex; flex-wrap: wrap; gap: .4rem; }
.module__link { align-self: center; white-space: nowrap; }
@media (max-width: 700px) { .module { grid-template-columns: auto 1fr; } .module__link { grid-column: 2; justify-self: start; } }

/* ---------- 11. Шаги ---------- */
.steps { counter-reset: st; display: grid; gap: 1px; background: var(--stroke); border: 1px solid var(--stroke); border-radius: var(--r-lg); overflow: hidden; grid-template-columns: repeat(4, minmax(0,1fr)); }
@media (max-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (max-width: 560px) { .steps { grid-template-columns: 1fr; } }
.step { background: var(--bg-2); padding: clamp(1.2rem,1rem + .8vw,1.8rem); position: relative; }
.step::before {
  counter-increment: st; content: "0" counter(st);
  font-size: .78rem; font-weight: 700; letter-spacing: .1em; color: var(--gold); display: block; margin-bottom: .9rem;
}
.step h3 { font-size: 1.05rem; margin-bottom: .35rem; }
.step p { margin: 0; color: var(--text-dim); font-size: .91rem; }

/* ---------- 12. Преподаватели ---------- */
.teacher__ava {
  width: 68px; height: 68px; border-radius: 21px; display: grid; place-items: center; flex: none;
  font-size: 1.35rem; font-weight: 700; letter-spacing: -.02em; color: var(--gold);
  background: linear-gradient(150deg, rgba(242,184,56,.22), rgba(91,157,255,.12));
  border: 1px solid rgba(242,184,56,.25); margin-bottom: 1.1rem;
}
.teacher dl { display: grid; grid-template-columns: auto 1fr; gap: .4rem 1rem; margin: 1rem 0 0; font-size: .89rem; }
.teacher dt { color: var(--text-faint); }
.teacher dd { margin: 0; }

/* ---------- 13. Тарифы ---------- */
.price { display: flex; flex-direction: column; }
.price__amount { font-size: clamp(1.9rem,1.5rem + 1.6vw,2.7rem); font-weight: 800; letter-spacing: -.035em; line-height: 1; margin: .6rem 0 .2rem; }
.price ul { list-style: none; padding: 0; margin: 1.25rem 0; display: grid; gap: .6rem; font-size: .93rem; }
.price li { display: grid; grid-template-columns: 20px 1fr; gap: .6rem; align-items: start; color: var(--text-dim); }
.price li::before { content: "✓"; color: var(--mint); font-weight: 700; }
.price li.off { opacity: .45; }
.price li.off::before { content: "—"; color: var(--text-faint); }
.price .btn { margin-top: auto; }
.price .badge { align-self: flex-start; }

/* ---------- 14. FAQ ---------- */
.faq { display: grid; gap: .75rem; }
.faq details {
  border: 1px solid var(--stroke); border-radius: var(--r-md); background: var(--surface);
  padding: .25rem 1.2rem; transition: border-color var(--t) var(--ease-out), background var(--t) var(--ease-out);
}
.faq details[open] { border-color: rgba(242,184,56,.3); background: var(--surface-2); }
.faq summary { cursor: pointer; list-style: none; padding: 1rem 2rem 1rem 0; font-weight: 600; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 2px; top: 50%; width: 10px; height: 10px; margin-top: -7px;
  border-right: 2px solid var(--gold); border-bottom: 2px solid var(--gold);
  transform: rotate(45deg); transition: transform var(--t) var(--ease-out);
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -3px; }
.faq .faq__body { padding-bottom: 1.1rem; color: var(--text-dim); }

/* ---------- 15. Документы ---------- */
.doc-list { display: grid; gap: .7rem; }
.doc {
  display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 1rem;
  padding: 1rem 1.15rem; border: 1px solid var(--stroke); border-radius: var(--r-md); background: var(--surface);
  transition: border-color var(--t) var(--ease-out), background var(--t) var(--ease-out), transform var(--t) var(--ease-out);
}
a.doc:hover { border-color: rgba(242,184,56,.4); background: var(--surface-2); transform: translateY(-2px); }
.doc__ico { width: 38px; height: 44px; flex: none; display: grid; place-items: center; border-radius: 8px;
  background: linear-gradient(160deg, rgba(255,122,133,.18), rgba(255,122,133,.06)); border: 1px solid rgba(255,122,133,.25); color: var(--rose);
  font-size: .6rem; font-weight: 750; letter-spacing: .04em; }
.doc__ico.is-link { background: linear-gradient(160deg, rgba(91,157,255,.18), rgba(91,157,255,.06)); border-color: rgba(91,157,255,.25); color: var(--azure); }
.doc b { display: block; font-weight: 600; letter-spacing: -.01em; }
.doc span { font-size: .84rem; color: var(--text-faint); }
.doc--pending { opacity: .8; }
.doc--pending .doc__ico { background: var(--surface-2); border-color: var(--stroke); color: var(--text-faint); }

/* ---------- 16. Спецраздел «Сведения» ---------- */
.sv { display: grid; grid-template-columns: 300px minmax(0,1fr); gap: clamp(1.5rem,1rem + 2vw,3rem); align-items: start; padding-block: clamp(1.5rem,1rem + 2vw,3rem) clamp(2rem,1.5rem + 2vw,4rem); }
@media (max-width: 1000px) { .sv { grid-template-columns: 1fr; } }
.sv__nav { position: sticky; top: 92px; border-radius: var(--r-lg); padding: 1rem; }
@media (max-width: 1000px) { .sv__nav { position: static; } }
.sv__nav h2 { font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-faint); margin: .35rem .6rem 1rem; }
.sv__nav ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 2px; counter-reset: sv; }
.sv__nav ol a {
  display: grid; grid-template-columns: 26px 1fr; gap: .4rem; align-items: baseline;
  padding: .55rem .6rem; border-radius: var(--r-sm); font-size: .9rem; color: var(--text-dim); line-height: 1.35;
  transition: background var(--t) var(--ease-out), color var(--t) var(--ease-out);
}
.sv__nav ol a::before { counter-increment: sv; content: counter(sv) "."; color: var(--text-faint); font-size: .8rem; }
.sv__nav a:hover { background: var(--surface-2); color: var(--text); }
.sv__nav a[aria-current="page"] { background: rgba(242,184,56,.12); color: var(--gold); font-weight: 600; }
.sv__nav a[aria-current="page"]::before { color: var(--gold); }

.prose h2 { margin-top: 2.25rem; }
.prose h3 { margin-top: 1.75rem; }
.prose > :first-child { margin-top: 0; }
.prose ul, .prose ol { padding-left: 1.25rem; margin: 0 0 1em; }
.prose li { margin-bottom: .4rem; }
.prose a:not(.btn):not(.doc) { color: var(--gold); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.prose a:not(.btn):not(.doc):hover { color: var(--gold-soft); }

.datalist { display: grid; grid-template-columns: minmax(180px, 320px) 1fr; gap: 0; border: 1px solid var(--stroke); border-radius: var(--r-md); overflow: hidden; margin: 0 0 1.5rem; }
.datalist dt { padding: .85rem 1.1rem; background: var(--surface); color: var(--text-dim); font-size: .9rem; border-bottom: 1px solid var(--stroke); }
.datalist dd { padding: .85rem 1.1rem; margin: 0; border-bottom: 1px solid var(--stroke); border-left: 1px solid var(--stroke); font-weight: 550; }
.datalist > dt:nth-last-of-type(1), .datalist > dd:nth-last-of-type(1) { border-bottom: 0; }
@media (max-width: 640px) {
  .datalist { grid-template-columns: 1fr; }
  .datalist dd { border-left: 0; padding-top: 0; border-bottom: 1px solid var(--stroke); }
  .datalist dt { border-bottom: 0; padding-bottom: .2rem; }
}

.table-scroll { overflow-x: auto; border: 1px solid var(--stroke); border-radius: var(--r-md); margin-bottom: 1.5rem; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 720px; font-size: .9rem; }
th, td { padding: .8rem 1rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--stroke); }
thead th { background: var(--surface-2); font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; color: var(--text-dim); font-weight: 650; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: var(--surface); }

.note {
  border-left: 3px solid var(--gold); background: rgba(242,184,56,.07);
  padding: 1rem 1.2rem; border-radius: 0 var(--r-md) var(--r-md) 0; margin: 1.5rem 0; font-size: .93rem; color: var(--text-dim);
}
.note b { color: var(--gold); }
.note--azure { border-left-color: var(--azure); background: rgba(91,157,255,.07); }
.note--azure b { color: var(--azure); }

.crumbs { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; font-size: .84rem; color: var(--text-faint); padding-top: 1.25rem; }
.crumbs a:hover { color: var(--gold); }
.crumbs span { opacity: .5; }

.pagenav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--stroke); }
.pagenav a { font-weight: 600; font-size: .93rem; color: var(--text-dim); max-width: 46%; }
.pagenav a:hover { color: var(--gold); }
.pagenav a small { display: block; color: var(--text-faint); font-weight: 500; font-size: .78rem; }

/* ---------- 17. Формы ---------- */
.field { display: grid; gap: .35rem; margin-bottom: 1rem; }
.field label { font-size: .85rem; color: var(--text-dim); font-weight: 550; }
.field input, .field textarea, .field select {
  width: 100%; padding: .8rem 1rem; border-radius: var(--r-sm);
  background: var(--surface); border: 1px solid var(--stroke); color: var(--text);
  transition: border-color var(--t) var(--ease-out), background var(--t) var(--ease-out);
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-faint); }
.field input:focus, .field textarea:focus, .field select:focus { border-color: rgba(242,184,56,.5); background: var(--surface-2); outline: none; }
.field .err { color: var(--rose); font-size: .78rem; min-height: 1.1em; }
.check { display: grid; grid-template-columns: auto 1fr; gap: .6rem; align-items: start; font-size: .83rem; color: var(--text-dim); }
.check input { width: 18px; height: 18px; margin-top: .15rem; accent-color: var(--gold); }
.check a { color: var(--gold); text-decoration: underline; text-underline-offset: 2px; }
.form-ok { display: none; padding: 1rem 1.2rem; border-radius: var(--r-md); background: rgba(53,214,166,.1); border: 1px solid rgba(53,214,166,.3); color: var(--mint); font-size: .92rem; margin-top: 1rem; }
.form-ok.is-on { display: block; }

/* ---------- 18. CTA ---------- */
.cta {
  position: relative; overflow: hidden; border-radius: var(--r-xl);
  padding: clamp(2rem,1.5rem + 3vw,4rem); text-align: center;
  background: linear-gradient(150deg, rgba(242,184,56,.16), rgba(91,157,255,.10) 60%, transparent), var(--surface);
  border: 1px solid rgba(242,184,56,.25);
}
.cta::before {
  content: ""; position: absolute; inset: -45% -10% auto; height: 320px;
  background: radial-gradient(closest-side, rgba(242,184,56,.28), transparent);
  filter: blur(20px); pointer-events: none;
}
.cta > * { position: relative; }

/* ---------- 19. Подвал ---------- */
.footer { margin-top: clamp(3rem,2rem + 4vw,6rem); border-top: 1px solid var(--stroke); background: linear-gradient(180deg, transparent, rgba(0,0,0,.25)); }
:root[data-theme="light"] .footer { background: linear-gradient(180deg, transparent, rgba(16,26,50,.05)); }
.footer__top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: var(--gap); padding-block: clamp(2.5rem,2rem + 2vw,4rem); }
@media (max-width: 900px) { .footer__top { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer__top { grid-template-columns: 1fr; } }
.footer h4 { font-size: .76rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-faint); margin-bottom: 1rem; }
.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .55rem; font-size: .92rem; }
.footer a { color: var(--text-dim); transition: color var(--t) var(--ease-out); }
.footer a:hover { color: var(--gold); }
.footer__legal { border-top: 1px solid var(--stroke); padding-block: 1.5rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; font-size: .82rem; color: var(--text-faint); }

/* крупная ссылка на спецраздел над подвалом — требование приказа № 831 */
.sveden-strip {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 1rem 1.5rem;
  text-align: center; padding: clamp(1.25rem,1rem + 1vw,2rem); border-radius: var(--r-lg);
  border: 1px dashed rgba(242,184,56,.4); background: rgba(242,184,56,.06);
}
.sveden-strip a.big {
  font-size: clamp(1.05rem,1rem + .8vw,1.5rem); font-weight: 700; letter-spacing: -.02em; color: var(--gold);
  text-decoration: underline; text-underline-offset: 5px; text-decoration-thickness: 2px;
}
.sveden-strip a.big:hover { color: var(--gold-soft); }
.sveden-strip svg { width: 30px; height: 30px; flex: none; color: var(--gold); }
.sveden-strip > span.faint { flex-basis: 100%; }

/* ---------- 20. Поиск ---------- */
.search-overlay {
  position: fixed; inset: 0; z-index: 90; display: grid; align-items: start; justify-items: center;
  padding: clamp(1rem,6vh,6rem) 1rem; background: rgba(4,7,14,.6);
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  opacity: 0; visibility: hidden; transition: opacity var(--t) var(--ease-in), visibility var(--t);
}
.search-overlay.is-open { opacity: 1; visibility: visible; transition-timing-function: var(--ease-out); }
.search-box {
  width: min(100%, 680px); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-lg);
  transform: translateY(-10px) scale(.98); transition: transform var(--t) var(--ease-in);
}
.search-overlay.is-open .search-box { transform: none; transition-timing-function: var(--ease-spring); }
.search-box__in { display: flex; align-items: center; gap: .75rem; padding: 1rem 1.2rem; border-bottom: 1px solid var(--stroke); }
.search-box__in svg { width: 20px; height: 20px; color: var(--text-faint); flex: none; }
.search-box__in input { flex: 1; background: none; border: 0; outline: none; font-size: 1.05rem; min-width: 0; }
.search-results { max-height: min(56vh, 460px); overflow-y: auto; padding: .5rem; }
.search-results a { display: block; padding: .7rem .9rem; border-radius: var(--r-sm); transition: background var(--t) var(--ease-out); }
.search-results a:hover, .search-results a.is-active { background: var(--surface-2); }
.search-results b { display: block; font-weight: 600; margin-bottom: .1rem; }
.search-results small { color: var(--text-faint); display: block; font-size: .82rem; line-height: 1.45; }
.search-results .crumb { color: var(--gold); font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; }
.search-results mark { background: rgba(242,184,56,.28); color: var(--gold-soft); border-radius: 3px; padding: 0 .15em; }
:root[data-theme="light"] .search-results mark { color: var(--gold-deep); }
.search-empty { padding: 2rem 1rem; text-align: center; color: var(--text-faint); font-size: .93rem; }
.search-box__foot { padding: .6rem 1.2rem; border-top: 1px solid var(--stroke); font-size: .78rem; color: var(--text-faint); display: flex; flex-wrap: wrap; gap: 1rem; }
kbd { font-family: inherit; font-size: .75rem; padding: .1rem .35rem; border: 1px solid var(--stroke-strong); border-radius: 5px; background: var(--surface-2); }
.search-trigger { display: flex; white-space: nowrap; align-items: center; gap: .6rem; padding: .5rem .9rem .5rem .8rem; border-radius: var(--r-pill);
  border: 1px solid var(--stroke); background: var(--surface); color: var(--text-faint); font-size: .88rem; cursor: pointer;
  transition: border-color var(--t) var(--ease-out), color var(--t) var(--ease-out); }
.search-trigger:hover { border-color: rgba(242,184,56,.4); color: var(--text); }
.search-trigger svg { width: 16px; height: 16px; }
.search-trigger { display: none; }
@media (min-width: 1500px) {
  .search-trigger { display: flex; }
  .nav__actions .icon-btn[data-search-open] { display: none; }
}

/* ---------- 21. Версия для слабовидящих ---------- */
.a11y-panel {
  position: fixed; left: 0; right: 0; top: 0; z-index: 80;
  background: #000; color: #fff; border-bottom: 2px solid #fff; padding: .7rem 0; display: none;
}
:root[data-a11y="on"] .a11y-panel { display: block; }
.a11y-panel .wrap { display: flex; flex-wrap: wrap; gap: .6rem 1.25rem; align-items: center; }
.a11y-group { display: flex; align-items: center; gap: .4rem; }
.a11y-group > span { font-size: .8rem; opacity: .8; }
.a11y-btn {
  min-width: 34px; height: 32px; padding: 0 .6rem; border: 1px solid #fff; background: transparent;
  color: #fff; border-radius: 4px; cursor: pointer; font-size: .85rem; line-height: 1;
}
.a11y-btn[aria-pressed="true"] { background: #fff; color: #000; }
.a11y-panel .a11y-close { margin-left: auto; }

:root[data-a11y="on"] { --glass-blur: 0px; }
:root[data-a11y="on"] body { padding-top: 68px; }
:root[data-a11y="on"] body::before,
:root[data-a11y="on"] body::after,
:root[data-a11y="on"] .hero__chips,
:root[data-a11y="on"] .cta::before,
:root[data-a11y="on"] .card--glow::after { display: none; }
:root[data-a11y="on"] .header { position: static; }
:root[data-a11y="on"] .sv__nav { position: static; }
:root[data-a11y="on"] * {
  transition: none !important; animation: none !important;
  text-shadow: none !important; box-shadow: none !important; border-radius: 0 !important;
}
:root[data-a11y="on"] .header, :root[data-a11y="on"] .glass,
:root[data-a11y="on"] .search-box, :root[data-a11y="on"] .mobile-nav { -webkit-backdrop-filter: none; backdrop-filter: none; }

:root[data-a11y="on"][data-a11y-scheme="wb"] { --bg:#fff; --bg-2:#fff; --text:#000; --text-dim:#000; --text-faint:#333; --gold:#000; --gold-soft:#000; --gold-deep:#000; --azure:#000; --mint:#000; --rose:#000; --surface:#fff; --surface-2:#eee; --stroke:#000; --stroke-strong:#000; --glass-bg:#fff; color-scheme: light; }
:root[data-a11y="on"][data-a11y-scheme="bw"] { --bg:#000; --bg-2:#000; --text:#fff; --text-dim:#fff; --text-faint:#ddd; --gold:#fff; --gold-soft:#fff; --gold-deep:#fff; --azure:#fff; --mint:#fff; --rose:#fff; --surface:#000; --surface-2:#1c1c1c; --stroke:#fff; --stroke-strong:#fff; --glass-bg:#000; color-scheme: dark; }
:root[data-a11y="on"][data-a11y-scheme="bb"] { --bg:#9DD1FF; --bg-2:#9DD1FF; --text:#063462; --text-dim:#063462; --text-faint:#0b4a86; --gold:#063462; --gold-soft:#063462; --gold-deep:#063462; --azure:#063462; --mint:#063462; --rose:#063462; --surface:#9DD1FF; --surface-2:#8AC4F7; --stroke:#063462; --stroke-strong:#063462; --glass-bg:#9DD1FF; color-scheme: light; }
:root[data-a11y="on"][data-a11y-scheme="gb"] { --bg:#F7F3D6; --bg-2:#F7F3D6; --text:#3B2E10; --text-dim:#3B2E10; --text-faint:#5a4718; --gold:#3B2E10; --gold-soft:#3B2E10; --gold-deep:#3B2E10; --azure:#3B2E10; --mint:#3B2E10; --rose:#3B2E10; --surface:#F7F3D6; --surface-2:#EDE7C0; --stroke:#3B2E10; --stroke-strong:#3B2E10; --glass-bg:#F7F3D6; color-scheme: light; }

:root[data-a11y="on"] .gold-text { background: none; -webkit-background-clip: initial; background-clip: initial; color: var(--text); }
:root[data-a11y="on"] .btn--primary { --btn-bg: var(--surface-2); --btn-fg: var(--text); border: 2px solid var(--stroke); }
:root[data-a11y="on"] .card, :root[data-a11y="on"] .module, :root[data-a11y="on"] .doc,
:root[data-a11y="on"] .faq details, :root[data-a11y="on"] .cta, :root[data-a11y="on"] .note { border: 2px solid var(--stroke); background: var(--surface); }
:root[data-a11y="on"] .stats, :root[data-a11y="on"] .steps { border: 2px solid var(--stroke); gap: 0; }
:root[data-a11y="on"] .stat, :root[data-a11y="on"] .step { border-bottom: 1px solid var(--stroke); }
:root[data-a11y="on"] .logo__mark { background: var(--surface-2); color: var(--text); border: 2px solid var(--stroke); }

:root[data-a11y-size="lg"]  { --step: 1.2rem; }
:root[data-a11y-size="xl"]  { --step: 1.45rem; }
:root[data-a11y-size="xxl"] { --step: 1.8rem; }
:root[data-a11y="on"] .display { font-size: 2.1em; }
:root[data-a11y="on"] h1 { font-size: 1.8em; }
:root[data-a11y="on"] h2 { font-size: 1.5em; }
:root[data-a11y="on"] h3 { font-size: 1.2em; }
:root[data-a11y="on"] .lead { font-size: 1.05em; }
:root[data-a11y-spacing="wide"] body { word-spacing: .2em; letter-spacing: .04em; line-height: 1.9; }
:root[data-a11y-spacing="wide"] :where(h1,h2,h3,.display) { line-height: 1.4; }
:root[data-a11y-images="off"] :where(img, .logo__mark, .teacher__ava, .card__ico, .doc__ico, .module__num) { display: none !important; }

/* ---------- 22. Появление при скролле ---------- */
.reveal { opacity: 0; transform: translateY(18px); }
.reveal.is-in { opacity: 1; transform: none; transition: opacity 620ms var(--ease-out), transform 620ms var(--ease-out); }
.reveal[data-delay="1"].is-in { transition-delay: 70ms; }
.reveal[data-delay="2"].is-in { transition-delay: 140ms; }
.reveal[data-delay="3"].is-in { transition-delay: 210ms; }
.reveal[data-delay="4"].is-in { transition-delay: 280ms; }
.reveal[data-delay="5"].is-in { transition-delay: 350ms; }

/* ---------- 23. Прочее ---------- */
.skip-link {
  position: absolute; left: 1rem; top: -100px; z-index: 100; padding: .7rem 1.1rem;
  background: var(--gold); color: #14100A; border-radius: 0 0 var(--r-sm) var(--r-sm); font-weight: 650;
  transition: top var(--t) var(--ease-out);
}
.skip-link:focus { top: 0; }
.to-top {
  position: fixed; right: 1.25rem; bottom: 1.25rem; z-index: 55;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: opacity var(--t) var(--ease-out), transform var(--t) var(--ease-out), visibility var(--t);
}
.to-top.is-on { opacity: 1; visibility: visible; transform: none; }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.tag-row { display: flex; flex-wrap: wrap; gap: .5rem; }
.center { text-align: center; }
.mt-0 { margin-top: 0; } .mb-0 { margin-bottom: 0; }

/* ---------- 24. Уважение к системным настройкам ---------- */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .12s !important; scroll-behavior: auto !important;
  }
  .chip-float { display: none; }
}
@media (prefers-reduced-transparency: reduce) {
  .header.is-stuck, .glass, .mobile-nav, .search-box, .chip-float { -webkit-backdrop-filter: none; backdrop-filter: none; background: var(--bg-2); }
}
@media (prefers-contrast: more) {
  :root { --stroke: rgba(255,255,255,.35); --stroke-strong: rgba(255,255,255,.6); --text-dim: #C9D2E4; }
  .card, .module, .doc { background: var(--bg-2); }
}

/* ---------- 25. Печать ---------- */
@media print {
  .header, .footer__top, .to-top, .a11y-panel, .search-overlay, .sveden-strip, .hero__chips, .mobile-nav, .skip-link { display: none !important; }
  body { background: #fff; color: #000; }
  body::before, body::after { display: none; }
  .card, .module, .doc, .datalist, .table-scroll { border-color: #999; box-shadow: none; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: .8em; color: #555; }
}