/* ============================================================
   Видеотека AENUM — лендинг. Тёмная тема (бренд AENUM).
   Статические стили, mobile-first. Шрифты — локально.
   ============================================================ */

/* ---- Fonts (local, no CDN) ---- */
@font-face{font-family:'Montserrat';src:url('fonts/Montserrat-Regular.woff2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'Montserrat';src:url('fonts/Montserrat-Medium.woff2') format('woff2');font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'Montserrat';src:url('fonts/Montserrat-SemiBold.woff2') format('woff2');font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Montserrat';src:url('fonts/Montserrat-Bold.woff2') format('woff2');font-weight:700;font-style:normal;font-display:swap}

/* ---- Tokens ---- */
:root{
  --bg:#090909;
  --surface:#131313;
  --surface-2:#1c1c1c;
  --surface-3:#252525;
  --line:#1f1f1f;
  --line-2:#2a2a2a;
  --bar:#0d0d0d;
  --footer-bg:#070707;
  --header-bg:rgba(9,9,9,.72);
  --bg-base:linear-gradient(160deg,#080a12,#0b1322 58%,#0b0c16);
  --blob-1:rgba(30,117,202,.55);
  --blob-2:rgba(124,92,255,.42);

  --brand:#1e75ca;
  --brand-hover:#1757aa;
  --brand-light:#5694cf;
  --green:#2dcb48;
  --red:#f43319;

  --text:#ffffff;
  --text-2:#cdcdcd;
  --text-3:#9f9f9f;
  --text-4:#717171;

  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:20px;
  --r-pill:1000px;

  --maxw:1200px;
  --pad:clamp(20px,5vw,24px);
  --header-h:72px;
}

/* ---- Reset ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%;background:var(--bg)}
body{
  font-family:'Montserrat',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  background:transparent;
  color:var(--text);
  line-height:1.5;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-feature-settings:'pnum' on,'lnum' on;
}
img,svg{display:block;max-width:100%}
a{color:var(--brand-light);text-decoration:none;font-weight:600}
a:hover{text-decoration:underline}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}
h1,h2,h3,h4{line-height:1.1;letter-spacing:-.01em;text-wrap:balance}
p{text-wrap:pretty}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}

/* ---- Layout helpers ---- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.section{padding:clamp(56px,8.5vw,104px) 0}
.section--tight{padding:clamp(40px,6vw,72px) 0}
.kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:var(--brand-light);margin-bottom:18px;
}
.section-head{max-width:720px;margin-bottom:clamp(32px,4vw,52px)}
.section-head h2{font-size:clamp(28px,4.4vw,40px);font-weight:700}
.section-head p{margin-top:16px;font-size:clamp(16px,1.6vw,18px);color:var(--text-3)}
.eyebrow-line{height:1px;background:linear-gradient(90deg,var(--line),transparent);margin:0}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:52px;padding:0 26px;border-radius:var(--r-md);
  font-size:16px;font-weight:700;letter-spacing:-.01em;
  transition:background .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-hover)}
.btn--secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--line-2)}
.btn--secondary:hover{background:var(--surface-3);border-color:#3a3a3a}
.btn--ghost{background:transparent;color:var(--text-2);border:1px solid var(--line-2)}
.btn--ghost:hover{color:#fff;border-color:#3a3a3a;background:rgba(255,255,255,.03)}
.btn--sm{height:44px;padding:0 20px;font-size:15px}
.btn--lg{height:56px;padding:0 30px;font-size:17px}
.btn .ext{width:16px;height:16px;opacity:.7}

/* ============================================================
   HEADER
   ============================================================ */
.header{
  position:sticky;top:0;z-index:100;
  height:var(--header-h);
  background:var(--header-bg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header__inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__logo{height:24px;width:auto}
.brand__tag{
  font-size:13px;font-weight:600;color:var(--text-3);
  padding-left:11px;border-left:1px solid var(--line-2);
}
.nav{display:none;align-items:center;gap:20px}
.nav__link{color:var(--text-2);font-weight:500;font-size:14px;white-space:nowrap;transition:color .2s ease}
.nav__link:hover{color:#fff;text-decoration:none}
.header__actions{display:none;align-items:center;gap:12px}

/* burger */
.burger{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:var(--r-sm);
}
.burger span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:transform .25s ease,opacity .2s ease;margin:0 auto}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile drawer */
.mobile-menu{
  position:fixed;inset:var(--header-h) 0 0 0;z-index:99;
  background:rgba(9,9,9,.97);backdrop-filter:blur(8px);
  padding:24px var(--pad) 40px;
  display:flex;flex-direction:column;gap:6px;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease;
  overflow-y:auto;
}
.mobile-menu.open{opacity:1;transform:none;pointer-events:auto}
.mobile-menu__link{
  font-size:19px;font-weight:600;color:var(--text);padding:16px 4px;
  border-bottom:1px solid var(--line);
}
.mobile-menu__link:hover{text-decoration:none;color:var(--brand-light)}
.mobile-menu__actions{display:flex;flex-direction:column;gap:12px;margin-top:26px}
.mobile-menu__actions .btn{width:100%;height:54px}

/* ============================================================
   HERO
   ============================================================ */
/* overflow:hidden обрезает декоративное свечение по краю секции. Без этого оно
   торчит на 140px вправо и страница разъезжается вбок: у body есть overflow-x:hidden,
   но корневой элемент всё равно получает лишнюю ширину. */
.hero{position:relative;overflow:hidden;padding-top:clamp(48px,7vw,88px);padding-bottom:clamp(56px,8vw,100px)}
.hero__glow{
  position:absolute;top:-160px;right:-140px;width:620px;height:620px;
  background:radial-gradient(circle,rgba(30,117,202,.28),rgba(30,117,202,0) 62%);
  filter:blur(28px);pointer-events:none;z-index:0;
}
.hero__glow--2{
  top:auto;bottom:-220px;left:-180px;right:auto;width:520px;height:520px;
  background:radial-gradient(circle,rgba(86,148,207,.14),rgba(86,148,207,0) 60%);
}
.hero__grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:clamp(40px,5vw,64px);align-items:center}
.hero__col{min-width:0}
.hero__pill{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(30,117,202,.12);
  border:1px solid rgba(30,117,202,.32);
  font-size:13px;font-weight:600;color:var(--brand-light);margin-bottom:24px;
}
.hero__pill .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(45,203,72,.18)}
.hero h1{
  font-size:clamp(34px,6vw,58px);font-weight:700;line-height:1.04;letter-spacing:-.02em;
}
.hero h1 .accent{color:var(--brand-light)}
.hero__sub{margin-top:24px;font-size:clamp(16px,2vw,19px);color:var(--text-2);max-width:560px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__cta .btn{flex:1 1 auto;min-width:210px}
.hero__note{margin-top:20px;font-size:14px;color:var(--text-4);display:flex;align-items:center;gap:8px}
.hero__note svg{flex:none;color:var(--text-3)}

/* hero mockup (browser frame) */
.mockup{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--surface);border:1px solid var(--line-2);
  box-shadow:0 30px 80px rgba(0,0,0,.55);
}
.mockup__bar{display:flex;align-items:center;gap:14px;height:44px;padding:0 16px;background:#0d0d0d;border-bottom:1px solid var(--line)}
.mockup__dots{display:flex;gap:7px}
.mockup__dots i{width:11px;height:11px;border-radius:50%;background:#333;display:block}
.mockup__url{
  flex:1;height:26px;border-radius:var(--r-pill);background:#161616;
  display:flex;align-items:center;gap:7px;padding:0 12px;font-size:12px;color:var(--text-3);max-width:280px;
}
.mockup__url svg{width:12px;height:12px;color:var(--green)}
.mockup__body{padding:18px;display:flex;flex-direction:column;gap:16px;background:linear-gradient(180deg,#0f0f0f,#0b0b0b)}
.mockup__top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.mockup__top .logo{height:15px}
.mockup__navmini{display:flex;gap:14px}
.mockup__navmini span{font-size:11px;color:var(--text-3);font-weight:500}
.mockup__navmini span.on{color:#fff}
.mockup__ava{width:22px;height:22px;border-radius:50%;background:linear-gradient(135deg,#2caed9,#5471e6)}
.mockup__banner{
  position:relative;border-radius:var(--r-md);overflow:hidden;padding:20px;min-height:118px;
  display:flex;flex-direction:column;justify-content:flex-end;
  background:linear-gradient(120deg,#12233b 0%,#0c1622 55%,#0b0b0b 100%);
  border:1px solid var(--line-2);
}
.mockup__banner .badge{position:absolute;top:14px;left:14px;font-size:9px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--brand);padding:4px 8px;border-radius:var(--r-xs,4px)}
.mockup__banner .badge{border-radius:4px}
.mockup__banner h4{font-size:15px;font-weight:700;color:#fff;max-width:60%}
.mockup__banner .meta{font-size:10px;color:var(--text-3);margin-top:5px}
.mockup__banner .play{position:absolute;right:16px;bottom:16px;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.12);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.18)}
.mockup__banner .play svg{width:14px;height:14px;margin-left:2px}
.mockup__rowhead{display:flex;align-items:center;justify-content:space-between}
.mockup__rowhead b{font-size:12px;font-weight:600;color:var(--text)}
.mockup__rowhead span{font-size:10px;color:var(--text-4)}
.mockup__cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.mock-card{border-radius:var(--r-sm);overflow:hidden;background:var(--surface-2);border:1px solid var(--line)}
.mock-card .thumb{height:52px;position:relative}
.mock-card .thumb span{position:absolute;top:6px;left:6px;font-size:8px;font-weight:700;color:#fff;background:rgba(9,9,9,.7);padding:2px 6px;border-radius:3px}
.mock-card .thumb .prog{position:absolute;left:0;bottom:0;height:3px;background:var(--brand)}
.mock-card .info{padding:8px 8px 10px}
.mock-card .info b{display:block;font-size:9.5px;font-weight:600;color:var(--text);line-height:1.3;margin-bottom:4px}
.mock-card .info em{font-style:normal;font-size:8px;color:var(--text-4)}

/* ============================================================
   PAINS
   ============================================================ */
.pains{background:#0b0b0b;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.pains__grid{display:grid;grid-template-columns:1fr;gap:16px}
.pain{
  display:flex;gap:16px;padding:24px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);transition:border-color .2s ease,transform .2s ease;
}
.pain:hover{border-color:var(--line-2)}
.pain__mark{flex:none;width:40px;height:40px;border-radius:10px;background:rgba(244,51,25,.1);display:flex;align-items:center;justify-content:center;color:var(--red)}
.pain__mark svg{width:20px;height:20px}
.pain p{font-size:16px;color:var(--text-2);align-self:center}

/* ============================================================
   FEATURES
   ============================================================ */
.features__grid{display:grid;grid-template-columns:1fr;gap:16px}
.feature{
  padding:28px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);transition:border-color .2s ease,transform .2s ease,background .2s ease;
}
.feature:hover{border-color:#2f3a46;transform:translateY(-3px)}
.feature__icon{
  width:52px;height:52px;border-radius:var(--r-md);margin-bottom:20px;
  background:rgba(30,117,202,.12);border:1px solid rgba(30,117,202,.28);
  display:flex;align-items:center;justify-content:center;color:var(--brand-light);
}
.feature__icon svg{width:26px;height:26px}
.feature h3{font-size:19px;font-weight:700;margin-bottom:10px}
.feature p{font-size:15px;color:var(--text-3);line-height:1.55}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how{}
.steps{display:grid;grid-template-columns:1fr;gap:20px;counter-reset:step}
.step{position:relative;padding:26px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line)}
.step__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;margin-bottom:18px;
  background:var(--brand);color:#fff;font-size:19px;font-weight:700;
}
.step h4{font-size:18px;font-weight:700;margin-bottom:8px}
.step p{font-size:15px;color:var(--text-3)}
/* Кнопок в ряду может быть две, и подписи у них длинные: без переноса и сжатия
   на телефоне ряд выталкивает страницу вбок. */
.how__cta{margin-top:clamp(32px,4vw,48px);display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.how__cta .btn{max-width:100%}
/* На телефоне кнопки занимают всю ширину и переносят подпись — иначе длинная
   подпись выталкивает страницу вбок. */
@media (max-width:520px){
  .how__cta{flex-direction:column;align-items:stretch}
  .how__cta .btn{width:100%;white-space:normal;height:auto;min-height:56px;padding-top:12px;padding-bottom:12px;text-align:center}
}

/* ============================================================
   TRUST
   ============================================================ */
/* Правила снятого блока «Нам доверяют» удалены вместе с разметкой 18.09.2026.
   Вернуть можно из истории, когда появятся настоящие логотипы вузов. */

/* ============================================================
   OTHER PRODUCTS
   ============================================================ */
.eco__lead{font-size:clamp(18px,2.2vw,22px);font-weight:600;color:var(--text);max-width:640px;margin-bottom:clamp(28px,3.5vw,40px)}
.eco__lead b{color:var(--brand-light);font-weight:700}
.eco__grid{display:grid;grid-template-columns:1fr;gap:20px}
/* Направление второе и единственное: карточка не растягивается во всю ширину,
   иначе выглядит как пустая полоса поперёк экрана. */
.eco__grid--single{max-width:640px}
.eco-card{
  display:flex;flex-direction:column;padding:30px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);transition:border-color .2s ease,transform .2s ease;
}
.eco-card:hover{border-color:#2f3a46;transform:translateY(-3px)}
.eco-card__name{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.eco-card__name h3{font-size:22px;font-weight:700}
.eco-card p{font-size:15px;color:var(--text-3);line-height:1.55;margin-bottom:24px;flex:1}
.eco-card .btn{align-self:flex-start}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final{position:relative}
.final__card{
  position:relative;overflow:hidden;text-align:center;
  padding:clamp(44px,6vw,80px) clamp(24px,5vw,64px);
  border-radius:var(--r-xl);border:1px solid rgba(30,117,202,.3);
  background:linear-gradient(160deg,#10233b 0%,#0c1622 48%,#0a0f18 100%);
}
.final__glow{position:absolute;top:-140px;left:50%;transform:translateX(-50%);width:640px;height:340px;background:radial-gradient(ellipse,rgba(30,117,202,.35),rgba(30,117,202,0) 65%);filter:blur(20px);pointer-events:none}
.final__card h2{position:relative;font-size:clamp(28px,4.5vw,44px);font-weight:700;letter-spacing:-.02em}
.final__card p{position:relative;margin:18px auto 0;font-size:clamp(16px,1.8vw,18px);color:var(--text-2);max-width:560px}
.final__cta{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{border-top:1px solid var(--line);padding:clamp(48px,6vw,72px) 0 32px;background:var(--footer-bg)}
.footer__top{display:grid;grid-template-columns:1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.footer__brand .brand__logo{height:26px;margin-bottom:16px}
.footer__brand p{font-size:14px;color:var(--text-4);max-width:300px}
.footer__col h4{font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);margin-bottom:16px}
.footer__col ul{display:flex;flex-direction:column;gap:11px}
.footer__col a,.footer__col span{font-size:15px;color:var(--text-2);font-weight:500}
.footer__col a:hover{color:#fff;text-decoration:none}
.footer__col .muted{color:var(--text-4);font-weight:400;font-size:13px}
.footer__bottom{display:flex;flex-direction:column;gap:14px;padding-top:28px}
.footer__legal{font-size:13px;color:var(--text-4);line-height:1.6}
.footer__legal b{color:var(--text-3);font-weight:600}
.footer__meta{display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between}
.footer__copy{font-size:13px;color:var(--text-4)}
.footer__policy{font-size:13px}

/* ============================================================
   COOKIE BANNER
   ============================================================ */
.cookie{
  position:fixed;left:16px;right:16px;bottom:16px;z-index:200;
  max-width:920px;margin:0 auto;
  display:none;gap:18px;align-items:center;flex-wrap:wrap;
  padding:18px 20px;border-radius:var(--r-lg);
  background:var(--surface-2);border:1px solid var(--line-2);
  box-shadow:0 20px 50px rgba(0,0,0,.5);
}
.cookie.show{display:flex}
.cookie p{margin:0;flex:1 1 320px;font-size:13.5px;line-height:1.55;color:var(--text-2)}
.cookie__actions{display:flex;gap:10px;flex-wrap:wrap}
.cookie__actions .btn{height:44px;padding:0 20px;font-size:14px}

/* ============================================================
   REVEAL ANIMATION
   ============================================================ */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (min-width:640px){
  .pains__grid{grid-template-columns:repeat(2,1fr)}
  .features__grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .eco__grid{grid-template-columns:repeat(2,1fr)}
  /* Одна карточка — одна колонка, иначе она займёт половину и повиснет в пустоте. */
  .eco__grid--single{grid-template-columns:1fr}
  .hero__cta .btn{flex:0 1 auto}
  .footer__top{grid-template-columns:1.4fr 1fr 1.4fr}
  .footer__bottom{gap:18px}
  .footer__meta{flex-wrap:nowrap}
}
@media (min-width:900px){
  .hero__grid{grid-template-columns:1.05fr .95fr}
  .features__grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(4,1fr)}
  .pains__grid{grid-template-columns:repeat(3,1fr)}
  .pains__grid .pain:nth-child(4),.pains__grid .pain:nth-child(5){grid-column:span 1}
}
@media (min-width:1200px){
  .nav{display:flex}
  .header__actions{display:flex}
  .burger{display:none}
}
@media (min-width:1100px){
  .pains__grid{grid-template-columns:repeat(5,1fr)}
  .pain{flex-direction:column;gap:16px}
  .pain p{align-self:flex-start;font-size:15px}
}
/* ============================================================
   DOC PAGE (политика)
   ============================================================ */
.subhead{display:flex;align-items:center;gap:14px}
.back-link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--text-2)}
.back-link:hover{color:#fff;text-decoration:none}
.back-link svg{width:16px;height:16px}
.doc{max-width:840px;margin:0 auto;padding:clamp(40px,6vw,72px) 0 clamp(56px,7vw,88px)}
.doc h1{font-size:clamp(30px,5vw,44px);font-weight:700;letter-spacing:-.02em;margin-bottom:14px}
.doc__meta{font-size:14px;color:var(--text-4);margin-bottom:clamp(28px,4vw,44px)}
.doc h2{font-size:clamp(20px,2.4vw,24px);font-weight:700;margin:clamp(32px,4vw,44px) 0 14px}
.doc p{font-size:16px;line-height:1.75;color:var(--text-2);margin-bottom:14px}
.doc ul{list-style:disc;padding-left:22px;margin-bottom:14px}
.doc li{font-size:16px;line-height:1.7;color:var(--text-2);margin-bottom:8px}
.doc strong{color:#fff;font-weight:600}
.doc .placeholder{color:var(--text-4);font-style:italic}

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

/* ============================================================
   V2 ADDITIONS
   ============================================================ */
/* hero value pillars */
.hero__pillars{list-style:none;display:grid;grid-template-columns:1fr;gap:11px 22px;margin-top:26px}
.hero__pillars li{position:relative;padding-left:24px;font-size:14.5px;font-weight:600;color:var(--text-2)}
.hero__pillars li::before{content:"+";position:absolute;left:0;top:-1px;color:var(--brand-light);font-weight:700;font-size:16px}

/* cost table (боли → деньги) */
.cost__table{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--surface)}
.cost__headrow{display:grid;grid-template-columns:1fr 1fr}
.cost__headrow span{padding:15px 22px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);background:var(--bar)}
.cost__headrow span:last-child{color:var(--brand-light)}
.cost__row{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.cost__pain{padding:22px;font-size:16px;line-height:1.5;color:var(--text-2);border-right:1px solid var(--line)}
.cost__price{padding:22px;font-size:16px;line-height:1.5;color:var(--text);font-weight:500}
.cost__price b{color:var(--brand-light);font-weight:700;white-space:nowrap}
.cost__note{margin-top:16px;font-size:13px;color:var(--text-4)}

/* wide feature (автовыгрузка) */
.feature--wide{grid-column:1 / -1;display:flex;gap:22px;align-items:flex-start;
  background:linear-gradient(120deg,rgba(30,117,202,.10),rgba(30,117,202,0) 58%);border-color:rgba(30,117,202,.28)}
.feature--wide .feature__icon{margin-bottom:0;flex:none}
.feature__widebody{flex:1;min-width:0}
.feature__tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--green);background:rgba(45,203,72,.12);border:1px solid rgba(45,203,72,.3);padding:4px 11px;border-radius:1000px;margin-bottom:12px}
.feature--wide h3{margin-bottom:8px}
.feature--wide p{max-width:840px}

/* how — final accent */
.how__accent{margin:clamp(30px,4vw,44px) auto 0;text-align:center;max-width:760px;
  font-size:clamp(17px,2vw,21px);font-weight:500;color:var(--text-2);line-height:1.45}
.how__accent span{color:var(--text);font-weight:700}

/* pilot without risk */
.pilot__card{position:relative;overflow:hidden;border-radius:var(--r-xl);
  border:1px solid rgba(45,203,72,.30);padding:clamp(32px,5vw,60px);
  background:linear-gradient(150deg,rgba(45,203,72,.07),rgba(9,9,9,0) 52%),var(--surface)}
.pilot__badge{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--green);background:rgba(45,203,72,.12);border:1px solid rgba(45,203,72,.3);padding:6px 14px;border-radius:1000px;margin-bottom:20px}
.pilot__card h2{font-size:clamp(24px,3.4vw,36px);font-weight:700;letter-spacing:-.02em;margin-bottom:16px}
.pilot__card p{font-size:clamp(16px,1.7vw,18px);color:var(--text-2);max-width:680px;margin-bottom:28px}
.pilot__card p b{color:#fff;font-weight:700}
/* Оговорка под обещанием пилота: мельче и тише основного текста карточки.
   Селектор с родителем — иначе размер перебьёт правило .pilot__card p выше. */
.pilot__card .pilot__disc{margin:18px 0 0;font-size:13px;line-height:1.55;color:var(--text-4);max-width:680px}

/* ---- Что значит название ---- */
.name__card{
  max-width:760px;margin:0 auto;text-align:center;
  padding:clamp(28px,4vw,44px);border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
}
.name__card .kicker{margin-bottom:12px}
.name__card h2{font-size:clamp(24px,3.4vw,34px);font-weight:700;letter-spacing:-.01em}
.name__card p{margin-top:14px;font-size:clamp(15px,1.6vw,17px);color:var(--text-3);line-height:1.6}
/* Само латинское слово — строчными и курсивом, как пишут в словарной статье. */
.name__latin{font-style:italic;color:var(--brand-light)}

@media (max-width:639px){
  .cost__headrow{display:none}
  .cost__row{grid-template-columns:1fr}
  .cost__pain{border-right:none;border-bottom:1px solid var(--line);font-weight:600;color:var(--text)}
  .cost__price{color:var(--text-2);font-size:15px}
  .feature--wide{flex-direction:column;gap:16px}
}
@media (min-width:640px){
  .hero__pillars{grid-template-columns:1fr 1fr}
}

/* "Скоро" badge (мессенджер / онлайн-занятия) */
.feature__soon{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#e0a53a;background:rgba(224,165,58,.12);border:1px solid rgba(224,165,58,.34);padding:4px 11px;border-radius:1000px;margin-bottom:12px}

/* compare table (своё общение) */
.compare__scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);-webkit-overflow-scrolling:touch}
.compare__table{width:100%;min-width:660px;border-collapse:collapse;background:var(--surface)}
.compare__table th,.compare__table td{padding:16px 18px;text-align:left;font-size:15px;line-height:1.45;border-bottom:1px solid var(--line);vertical-align:top}
.compare__table tr:last-child th,.compare__table tr:last-child td{border-bottom:none}
.compare__table thead th{font-size:13px;font-weight:700;color:var(--text);background:var(--bar)}
.compare__table thead .compare__ours{color:var(--brand-light);background:rgba(30,117,202,.12)}
.compare__table tbody th{font-weight:600;color:var(--text);width:23%}
.compare__table td{color:var(--text-3)}
.compare__table .compare__ours{background:rgba(30,117,202,.07);color:var(--text-2)}

/* ============================================================
   ROI CALCULATOR — Версия A
   ============================================================ */
.roi__hint{font-size:15px;font-weight:600;color:var(--text-2);margin-bottom:20px}
.roi__nojs{font-size:14px;color:var(--text-3);background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-md);padding:14px 16px;margin-bottom:20px}
.roi{display:grid;grid-template-columns:1fr;gap:20px;align-items:start}
.roi__inputs{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:clamp(20px,3vw,28px)}
.roi__field{margin-bottom:22px}
.roi__field:last-child{margin-bottom:0}
.roi__field label{display:block;font-size:14px;font-weight:600;color:var(--text-2);margin-bottom:11px;line-height:1.35}
.roi__control{display:flex;align-items:center;gap:16px}
.roi input[type=range]{flex:1;min-width:0;-webkit-appearance:none;appearance:none;height:6px;border-radius:999px;background:var(--surface-3);cursor:pointer}
.roi input[type=range]:focus-visible{outline:2px solid var(--brand);outline-offset:6px}
.roi input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:20px;height:20px;border-radius:50%;background:var(--brand);border:3px solid var(--surface);box-shadow:0 0 0 1px var(--brand);cursor:pointer;transition:transform .12s ease}
.roi input[type=range]::-webkit-slider-thumb:hover{transform:scale(1.14)}
.roi input[type=range]::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--brand);border:3px solid var(--surface);box-shadow:0 0 0 1px var(--brand);cursor:pointer}
.roi input[type=range]::-moz-range-track{height:6px;border-radius:999px;background:transparent}
.roi__num{width:110px;flex:none;height:42px;padding:0 12px;border-radius:var(--r-sm);border:1px solid var(--line-2);background:var(--surface-2);color:var(--text);font:700 15px/1 'Montserrat',sans-serif;text-align:right;font-variant-numeric:tabular-nums}
.roi__num:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(30,117,202,.35)}
.roi__num::-webkit-outer-spin-button,.roi__num::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.roi__num{-moz-appearance:textfield}
.roi__derived{margin-top:10px;font-size:13px;color:var(--text-3);line-height:1.45}
.roi__derived b{color:var(--brand-light);font-weight:700;font-variant-numeric:tabular-nums}
.roi__derived span{color:var(--text-4)}
.roi__more{margin-top:6px;border-top:1px solid var(--line);padding-top:18px}
.roi__more>summary{cursor:pointer;list-style:none;font-size:14px;font-weight:700;color:var(--brand-light);display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;user-select:none}
.roi__more>summary::-webkit-details-marker{display:none}
.roi__more>summary::before{content:"";width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);transition:transform .2s ease;margin-top:-3px}
.roi__more[open]>summary::before{transform:rotate(225deg);margin-top:2px}

.roi__result{background:linear-gradient(165deg,rgba(30,117,202,.10),rgba(30,117,202,0) 46%),var(--surface);
  border:1px solid rgba(30,117,202,.32);border-radius:var(--r-lg);padding:clamp(22px,3vw,30px)}
.roi__metric{display:flex;align-items:flex-start;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.roi__metric:first-child{padding-top:0}
.roi__ic{flex:none;width:42px;height:42px;border-radius:var(--r-sm);background:rgba(30,117,202,.14);border:1px solid rgba(30,117,202,.3);display:flex;align-items:center;justify-content:center;color:var(--brand-light);margin-top:2px}
.roi__ic svg{width:22px;height:22px}
.roi__metric-body{min-width:0}
.roi__metric-body b{display:block;font-size:clamp(26px,3.4vw,34px);font-weight:800;line-height:1.05;color:var(--brand-light);letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.roi__metric-body span{display:block;margin-top:4px;font-size:13.5px;color:var(--text-3);line-height:1.4}
.roi__save{margin-top:18px;padding:15px 16px;border-radius:var(--r-md);background:rgba(45,203,72,.10);border:1px solid rgba(45,203,72,.3);font-size:15px;color:var(--text-2);line-height:1.5}
.roi__save b{color:var(--text);font-weight:700;font-variant-numeric:tabular-nums}
.roi__contour{display:flex;align-items:flex-start;gap:9px;margin-top:14px;font-size:13.5px;color:var(--text-3);line-height:1.45}
.roi__contour svg{flex:none;width:17px;height:17px;color:var(--green);margin-top:1px}
.roi__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.roi__cta .btn{flex:1 1 auto}
.roi__disclaimer{margin-top:16px;font-size:12.5px;color:var(--text-4);line-height:1.5;max-width:780px}

.roi__profiles{margin-top:clamp(36px,5vw,56px)}
.roi__profiles-title{font-size:clamp(19px,2.2vw,24px);font-weight:700;letter-spacing:-.01em;margin-bottom:18px}
.roi__scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);-webkit-overflow-scrolling:touch}
.roi__table{width:100%;min-width:660px;border-collapse:collapse;background:var(--surface)}
.roi__table th,.roi__table td{padding:15px 18px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:middle;font-variant-numeric:tabular-nums}
.roi__table thead th{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3);background:var(--bar);font-variant-numeric:normal}
.roi__table thead .roi__ours{color:var(--brand-light)}
.roi__table tbody th{font-weight:600;color:var(--text);font-variant-numeric:normal}
.roi__table tbody td{color:var(--text-2)}
.roi__table .roi__ours{background:rgba(30,117,202,.07);color:var(--text);font-weight:600}
.roi__table tbody tr:last-child th,.roi__table tbody tr:last-child td{border-bottom:none}
.roi__table .roi__hse th,.roi__table .roi__hse td{background:rgba(30,117,202,.12);color:var(--text);font-weight:700}
.roi__table .roi__hse .roi__ours{background:rgba(30,117,202,.2)}
.roi__table .roi__hse th span{display:block;font-size:12px;font-weight:500;color:var(--text-3);margin-top:2px}
.roi__caption{margin-top:14px;font-size:12.5px;color:var(--text-4);line-height:1.55;max-width:820px}

@media (min-width:900px){
  .roi{grid-template-columns:1fr 400px}
}
@media (max-width:639px){
  .roi__num{width:88px;height:44px}
}

/* ============================================================
   ЦЕНА И МОДУЛИ (страница tarify.html)
   Одна цена за учётную запись студента + список модулей.
   Прежние три пакета, переключатель периода и калькулятор сняты:
   разметки под них больше нет, правила удалены вместе с ней.
   ============================================================ */
.price__grid{display:grid;grid-template-columns:1fr;gap:16px;align-items:stretch}
.price-card{
  display:flex;flex-direction:column;padding:28px;
  border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);
}
/* Карточка с самой ценой выделена фирменной рамкой и лёгкой подсветкой сверху. */
.price-card--main{
  border-color:rgba(30,117,202,.32);
  background:linear-gradient(165deg,rgba(30,117,202,.10),rgba(30,117,202,0) 46%),var(--surface);
}
.price-card__kicker{
  font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--brand-light);margin-bottom:14px;
}
.price-card__big{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.price-card__big b{
  font-size:clamp(44px,7vw,64px);font-weight:800;letter-spacing:-.02em;
  color:var(--text);font-variant-numeric:tabular-nums;line-height:1;
}
.price-card__big span{font-size:16px;font-weight:600;color:var(--text-4)}
.price-card__rule{border:none;border-top:1px solid var(--line);margin:22px 0}
.price-card__year{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.price-card__year b{
  font-size:clamp(34px,5.4vw,50px);font-weight:800;letter-spacing:-.02em;
  color:var(--brand-light);font-variant-numeric:tabular-nums;line-height:1;
}
.price-card__year span{font-size:15px;font-weight:600;color:var(--text-4)}
.price-card__lead{font-size:14.5px;color:var(--text-2);line-height:1.5;margin-bottom:16px}
.price-card__list{list-style:none;display:flex;flex-direction:column;gap:10px;flex:1}
.price-card__list li{position:relative;padding-left:24px;font-size:15px;color:var(--text-2);line-height:1.45}
.price-card__list li::before{
  content:"";position:absolute;left:2px;top:7px;width:10px;height:6px;
  border-left:2px solid var(--green);border-bottom:2px solid var(--green);transform:rotate(-45deg);
}
.price-card__note{margin-top:16px;font-size:13px;color:var(--text-4);line-height:1.55}
.price-card__note--good{color:var(--green)}

/* ---- Модули ---- */
.mod__grid{display:grid;grid-template-columns:1fr;gap:12px}
.mod{
  display:flex;flex-direction:column;gap:12px;padding:20px 22px;
  border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease;
}
.mod:hover{border-color:var(--line-2);transform:translateY(-2px)}
.mod__body{min-width:0}
.mod__body h3{font-size:16px;font-weight:600;color:var(--text);line-height:1.35}
.mod__body p{margin-top:6px;font-size:13px;color:var(--text-4);line-height:1.5}
/* Цены всегда в одном столбце справа и не переносятся посреди числа. */
.mod__price{display:flex;flex-direction:column;gap:2px;flex:none}
.mod__price span{font-size:12.5px;color:var(--text-4);font-variant-numeric:tabular-nums}
.mod__price b{font-size:18px;font-weight:700;color:var(--brand-light);font-variant-numeric:tabular-nums;white-space:nowrap}

.plans__note{margin-top:16px;font-size:12.5px;color:var(--text-4);line-height:1.55;max-width:820px}
.plans__note--fine{margin-top:20px;text-align:center;max-width:none}

@media (min-width:760px){
  .price__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .mod__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  /* На широком экране цена уезжает вправо от названия — так список читается столбцом. */
  .mod{flex-direction:row;align-items:flex-start;justify-content:space-between;gap:20px}
  .mod__price{text-align:right;max-width:46%}
}

/* ============================================================
   ANIMATED BACKGROUND + THEME (light / dark) — Версия A
   ============================================================ */
.bg-anim{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none;background:var(--bg-base)}
.bg-anim::before,.bg-anim::after{content:"";position:absolute;border-radius:50%;filter:blur(64px);will-change:transform}
.bg-anim::before{width:66vw;height:66vw;left:-12vw;top:-16vw;background:radial-gradient(circle,var(--blob-1),transparent 68%);animation:floatA 26s ease-in-out infinite}
.bg-anim::after{width:56vw;height:56vw;right:-10vw;top:8vh;background:radial-gradient(circle,var(--blob-2),transparent 68%);animation:floatB 32s ease-in-out infinite}
@keyframes floatA{0%{transform:translate(0,0) scale(1)}33%{transform:translate(15vw,12vh) scale(1.12)}66%{transform:translate(6vw,26vh) scale(.94)}100%{transform:translate(0,0) scale(1)}}
@keyframes floatB{0%{transform:translate(0,0) scale(1)}33%{transform:translate(-17vw,10vh) scale(1.1)}66%{transform:translate(-7vw,-12vh) scale(1.16)}100%{transform:translate(0,0) scale(1)}}

/* theme toggle */
.header__right{display:flex;align-items:center;gap:10px;flex:none}
.theme-toggle{width:44px;height:44px;flex:none;border-radius:var(--r-sm);border:1px solid var(--line-2);background:var(--surface-2);color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;transition:color .2s ease,border-color .2s ease,background .2s ease}
.theme-toggle:hover{color:var(--text);border-color:#3a3a3a}
.theme-toggle svg{width:20px;height:20px}
.theme-toggle .ic-sun{display:none}
html[data-theme="light"] .theme-toggle .ic-sun{display:block}
html[data-theme="light"] .theme-toggle .ic-moon{display:none}

/* ---- LIGHT THEME ---- */
html[data-theme="light"]{
  --bg:#f4f6f9;
  --surface:#ffffff;
  --surface-2:#eef1f5;
  --surface-3:#e2e6ec;
  --line:#e3e7ee;
  --line-2:#d4d9e2;
  --brand-light:#1757aa;
  --text:#0f1720;
  --text-2:#39424f;
  --text-3:#4b5563;
  --text-4:#404a58;
  --bar:#eef1f6;
  --footer-bg:#eef1f5;
  --header-bg:rgba(255,255,255,.80);
  --bg-base:#f5f7fa;
  --blob-1:rgba(30,117,202,.20);
  --blob-2:rgba(124,116,255,.17);
}
.brand__logo--ink{display:none}
html[data-theme="light"] .brand__logo--base{display:none}
html[data-theme="light"] .brand__logo--ink{display:block}
html[data-theme="light"] .burger span{background:#0f1720}
html[data-theme="light"] .mobile-menu{background:rgba(255,255,255,.98)}
/* keep the product mockup dark in light theme (it depicts a dark video app) */
html[data-theme="light"] .mockup{background:#131313;border-color:#2a2a2a}
html[data-theme="light"] .mockup__url,
html[data-theme="light"] .mockup__navmini span,
html[data-theme="light"] .mockup__banner .meta{color:#9f9f9f}
html[data-theme="light"] .mockup__navmini span.on,
html[data-theme="light"] .mockup__rowhead b,
html[data-theme="light"] .mock-card .info b{color:#ffffff}
html[data-theme="light"] .mockup__rowhead span,
html[data-theme="light"] .mock-card .info em{color:#717171}
html[data-theme="light"] .mock-card{background:#1c1c1c;border-color:#1f1f1f}
html[data-theme="light"] .mockup__bar{border-bottom-color:#1f1f1f}
html[data-theme="light"] .mockup__banner{border-color:#2a2a2a}
html[data-theme="light"] .btn--secondary:hover{border-color:var(--line-2)}
html[data-theme="light"] .btn--ghost:hover{color:var(--text);border-color:var(--line-2);background:rgba(0,0,0,.035)}
html[data-theme="light"] .final__card{border-color:rgba(30,117,202,.34)}
html[data-theme="light"] .final__card h2{color:#fff}
html[data-theme="light"] .final__card p{color:#cdd6e2}
html[data-theme="light"] .final__cta .btn--ghost{color:#fff;border-color:rgba(255,255,255,.32)}
html[data-theme="light"] .final__cta .btn--ghost:hover{color:#fff;background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.5)}
/* светлая тема — без градиента/блобов, ровный фон */
html[data-theme="light"] .bg-anim::before,
html[data-theme="light"] .bg-anim::after{display:none}