/* ============================================================
   Предзаписанные курсы Skysmart — стили лендингов
   Самодостаточный файл: бренд-токены + шрифты + вёрстка.
   Источник токенов: Skysmart Design System (colors/type/spacing/radius).
   ============================================================ */

/* ---------- Шрифт StratosSkyeng (локально) ---------- */
@font-face { font-family:"StratosSkyeng"; src:url("../fonts/stratosskyengweb-light.woff2") format("woff2"); font-weight:300; font-style:normal; font-display:swap; }
@font-face { font-family:"StratosSkyeng"; src:url("../fonts/stratosskyengweb-regular.woff2") format("woff2"); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:"StratosSkyeng"; src:url("../fonts/stratosskyengweb-medium.woff2") format("woff2"); font-weight:500; font-style:normal; font-display:swap; }
@font-face { font-family:"StratosSkyeng"; src:url("../fonts/stratosskyengweb-semibold.woff2") format("woff2"); font-weight:600; font-style:normal; font-display:swap; }
@font-face { font-family:"StratosSkyeng"; src:url("../fonts/stratosskyengweb-bold.woff2") format("woff2"); font-weight:700; font-style:normal; font-display:swap; }
@font-face { font-family:"StratosSkyeng"; src:url("../fonts/stratosskyengweb-extrabold.woff2") format("woff2"); font-weight:800; font-style:normal; font-display:swap; }
@font-face { font-family:"StratosSkyeng"; src:url("../fonts/stratosskyengweb-black.woff2") format("woff2"); font-weight:900; font-style:normal; font-display:swap; }

:root {
  /* Палитра */
  --blue-10:#E4FBFF; --blue-20:#C2F5FF; --blue-40:#6FE4FF; --blue-60:#00C1FF; --blue-90:#009EE4;
  --yellow-10:#FFF7C7; --yellow-20:#FFEC8F; --yellow-40:#FCDE00; --yellow-60:#FFC700;
  --orange-10:#FFF2E0; --orange-20:#FFE4C2; --orange-40:#FFB53D; --orange-60:#FF9E00; --orange-90:#FF6D00;
  --pink-10:#FFEBF5; --pink-60:#FF64B0; --pink-90:#DD127D;
  --mint-10:#DBFFE9; --mint-60:#40E687; --mint-90:#06B16E;
  --violet-10:#F9EBFF; --violet-60:#D571FF; --violet-90:#A93EDC;
  --white:#FFFFFF; --grey-05:#F4F5F7; --grey-10:#ECEDEF; --grey-20:#D9D9D9; --grey-40:#C4C4C4;
  --grey-60:#999999; --grey-80:#5C5C5C; --ink:#18171C;

  /* Семантика */
  --color-primary:var(--blue-60); --color-primary-hover:var(--blue-90);
  --color-accent:var(--orange-60); --color-accent-hover:var(--orange-90);
  --text-primary:var(--ink); --text-secondary:var(--grey-80); --text-muted:var(--grey-60);
  --surface-cream:var(--yellow-10); --surface-sky:var(--blue-10); --surface-sunken:var(--grey-05);
  --border-subtle:var(--grey-20);

  /* Типографика */
  --font:"StratosSkyeng",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;

  /* Радиусы / тени */
  --radius-s:12px; --radius-m:16px; --radius-l:20px; --radius-xl:24px; --radius-xxl:32px; --radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(24,23,28,.07); --shadow-md:0 8px 24px rgba(24,23,28,.09);
  --shadow-lg:0 16px 40px rgba(24,23,28,.12);
  --shadow-brand:0 12px 28px rgba(0,193,255,.28); --shadow-accent:0 12px 28px rgba(255,158,0,.30);
  --ring-focus:0 0 0 4px rgba(0,193,255,.30);

  /* Движение / раскладка */
  --ease:cubic-bezier(.4,0,.2,1); --ease-bounce:cubic-bezier(.34,1.56,.64,1);
  --container:1180px; --gutter:24px; --section-y:88px;
}

/* ---------- База ---------- */
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  margin:0; background:var(--white); color:var(--text-primary);
  font-family:var(--font); font-size:17px; line-height:1.5; -webkit-font-smoothing:antialiased;
}
@media (prefers-reduced-motion:reduce){ html{scroll-behavior:auto;} *{transition:none!important;animation:none!important;} }
img,svg { max-width:100%; display:block; }
a { color:var(--blue-90); }
h1,h2,h3,h4 { letter-spacing:-.02em; margin:0; }
:focus-visible { outline:none; box-shadow:var(--ring-focus); border-radius:6px; }

.container { max-width:var(--container); margin:0 auto; padding:0 var(--gutter); }
.section { padding:var(--section-y) 0; }
.eyebrow { font-size:13px; font-weight:600; letter-spacing:.06em; text-transform:uppercase; color:var(--blue-90); margin:0 0 14px; }
.section-title { font-size:38px; font-weight:700; line-height:1.1; margin:0 0 14px; }
.section-lead { font-size:19px; color:var(--text-secondary); max-width:640px; margin:0 0 40px; }
.center { text-align:center; } .center .section-lead { margin-left:auto; margin-right:auto; }

/* ---------- Кнопки ---------- */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  height:56px; padding:0 30px; border:none; border-radius:var(--radius-m);
  font-family:var(--font); font-weight:700; font-size:18px; line-height:1; letter-spacing:-.01em;
  white-space:nowrap; cursor:pointer; text-decoration:none;
  transition:background var(--ease) .2s, transform 120ms var(--ease-bounce), box-shadow .2s var(--ease);
}
.btn:active { transform:scale(.96); }
.btn-lg { height:64px; padding:0 36px; font-size:20px; }
.btn-sm { height:44px; padding:0 20px; font-size:15px; border-radius:var(--radius-s); }
.btn-primary { background:var(--color-primary); color:#fff; }
.btn-primary:hover { background:var(--color-primary-hover); box-shadow:var(--shadow-brand); }
.btn-accent { background:var(--color-accent); color:#fff; }
.btn-accent:hover { background:var(--color-accent-hover); box-shadow:var(--shadow-accent); }
.btn-dark { background:var(--ink); color:#fff; }
.btn-dark:hover { background:#000; box-shadow:var(--shadow-md); }
.btn-ghost { background:transparent; color:var(--ink); }
.btn-ghost:hover { background:var(--grey-05); }
.btn-white { background:#fff; color:var(--ink); box-shadow:var(--shadow-sm); }
.btn-white:hover { background:var(--grey-05); box-shadow:var(--shadow-md); }
.btn-block { width:100%; }

/* ---------- Header ---------- */
.site-header {
  position:sticky; top:0; z-index:30; background:rgba(255,255,255,.72); backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(0,0,0,.05);
}
.header-inner {
  max-width:var(--container); margin:0 auto; padding:14px var(--gutter);
  display:flex; align-items:center; gap:28px;
}
.site-header .logo { height:38px; width:auto; }
.site-nav { display:flex; gap:24px; margin-left:8px; }
.site-nav a { font-weight:600; font-size:16px; color:var(--text-primary); text-decoration:none; }
.site-nav a:hover { color:var(--blue-90); }
.header-right { margin-left:auto; display:flex; align-items:center; gap:14px; }
.header-phone { font-weight:600; font-size:16px; color:var(--text-secondary); text-decoration:none; white-space:nowrap; }
.nav-toggle { display:none; }

/* ---------- Hero ---------- */
.hero { position:relative; overflow:hidden; padding:64px 0 76px;
  background:linear-gradient(180deg,var(--blue-20) 0%,var(--blue-10) 45%,#fff 100%); }
.hero.hero-cream { background:linear-gradient(180deg,var(--yellow-20) 0%,var(--yellow-10) 45%,#fff 100%); }
.hero-grid { display:flex; flex-direction:column; align-items:center; text-align:center; gap:40px; }
.hero-inner { position:relative; width:100%; max-width:820px; }
.hero-inner .hero-sub, .hero-inner .hero-offer, .hero-inner .hero-note { margin-left:auto; margin-right:auto; }
.hero-video { width:100%; max-width:900px; aspect-ratio:16/9; object-fit:contain;
  border-radius:var(--radius-xxl); box-shadow:var(--shadow-lg); background:#000; }
.sticker {
  display:inline-block; font-weight:700; font-size:15px; color:#fff; background:var(--orange-60);
  padding:8px 16px; border-radius:var(--radius-pill); transform:rotate(0deg); box-shadow:var(--shadow-sm);
}
.sticker-mint { background:var(--mint-90); } .sticker-blue { background:var(--blue-60); }
.hero h1 { font-size:56px; font-weight:700; line-height:1.04; letter-spacing:-.02em; color:var(--blue-90); margin:18px 0 20px; }
.hero-cream h1 { color:var(--ink); }
.hero-sub { font-size:22px; font-weight:600; line-height:1.25; color:var(--ink); margin:0 0 18px; max-width:600px; }
.hero-offer { font-size:18px; color:var(--text-secondary); margin:0 0 24px; max-width:560px; }
.price-row { display:flex; justify-content:center; align-items:baseline; gap:14px; flex-wrap:wrap; margin:0 0 26px; }
.price-now { font-size:34px; font-weight:900; color:var(--ink); }
.price-old { font-size:22px; color:var(--text-muted); text-decoration:line-through; }
.price-badge { font-size:14px; font-weight:700; color:#fff; background:var(--pink-60); padding:5px 12px; border-radius:var(--radius-pill); }
.hero-cta { display:flex; justify-content:center; gap:14px; flex-wrap:wrap; margin:0 0 16px; }
.hero-note { font-size:14px; color:var(--text-muted); margin:0; max-width:520px; }

/* ---------- Карточки "Для кого" ---------- */
.cards-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.card { background:#fff; border:1px solid var(--grey-10); border-radius:var(--radius-l);
  padding:26px 24px; box-shadow:var(--shadow-sm); transition:transform .2s var(--ease), box-shadow .2s var(--ease); }
.card:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); }
.card-ic { width:54px; height:54px; border-radius:var(--radius-m); display:flex; align-items:center;
  justify-content:center; margin-bottom:18px; background:var(--orange-60); }
.card-ic img { width:28px; height:28px; filter:brightness(0) invert(1); }
.card:nth-child(2) .card-ic { background:var(--blue-60); }
.card:nth-child(3) .card-ic { background:var(--pink-60); }
.card:nth-child(4) .card-ic { background:var(--mint-90); }
.card h3 { font-size:19px; font-weight:700; margin:0 0 8px; }
.card p { font-size:15px; color:var(--text-secondary); margin:0; }

/* ---------- Как это работает (шаги) ---------- */
.steps { background:var(--surface-sky); }
.steps-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.step { background:#fff; border-radius:var(--radius-l); padding:26px 24px; box-shadow:var(--shadow-sm); }
.step .num { font-size:28px; font-weight:900; color:var(--blue-60); letter-spacing:-.02em; margin:0 0 12px; }
.step h3 { font-size:18px; font-weight:700; margin:0 0 8px; }
.step p { font-size:15px; color:var(--text-secondary); margin:0; }
.accent-line { margin-top:36px; background:var(--ink); color:#fff; border-radius:var(--radius-xl);
  padding:28px 32px; font-size:20px; font-weight:700; line-height:1.3; }
.accent-line span { color:var(--blue-40); }

/* ---------- Подбор курса ---------- */
.picker { background:var(--surface-cream); }
.picker-controls { display:flex; flex-direction:column; gap:22px; margin-bottom:28px; }
.picker-field { width:100%; }
.picker-field label { display:block; font-size:14px; font-weight:600; color:var(--text-secondary); margin-bottom:10px; }
.chip-row { display:flex; gap:8px; flex-wrap:wrap; }
.chip { font-family:var(--font); font-weight:600; font-size:15px; color:var(--ink); background:#fff;
  border:2px solid var(--grey-20); border-radius:var(--radius-pill); padding:9px 18px; cursor:pointer;
  transition:all .15s var(--ease); }
.chip:hover { border-color:var(--blue-40); }
.chip[aria-pressed="true"] { background:var(--blue-60); border-color:var(--blue-60); color:#fff; }
.chip:disabled { opacity:.4; cursor:not-allowed; }
.course-card { background:#fff; border-radius:var(--radius-xl); padding:34px; box-shadow:var(--shadow-md);
  display:grid; grid-template-columns:1fr auto; gap:28px; align-items:center; }
.course-card .cc-main h3 { font-size:24px; font-weight:800; margin:0 0 10px; }
.course-card .cc-meta { display:flex; gap:10px; flex-wrap:wrap; margin:0 0 14px; }
.tag { font-size:13px; font-weight:600; padding:6px 12px; border-radius:var(--radius-pill); }
.tag-blue { background:var(--blue-10); color:var(--blue-90); }
.tag-cream { background:var(--yellow-10); color:#8a6d00; }
.tag-access { background:var(--violet-10); color:var(--violet-90); }
.tag-bonus { background:var(--mint-10); color:var(--mint-90); }
.course-card .cc-desc { font-size:16px; color:var(--text-secondary); margin:0; line-height:1.55; }
.course-card .cc-side { text-align:right; min-width:200px; }
.cc-price { font-size:30px; font-weight:900; color:var(--ink); margin:0 0 4px; }
.cc-price-old { font-size:17px; color:var(--text-muted); text-decoration:line-through; }
.cc-permonth { font-size:14px; color:var(--text-secondary); margin:2px 0 16px; }
.picker-hint { font-size:14px; color:var(--text-secondary); margin-top:18px; }

/* ---------- Что входит ---------- */
.incl-grid { display:grid; grid-template-columns:1fr; gap:24px; max-width:760px; }
.incl-col { border-radius:var(--radius-xl); padding:30px 34px; }
.incl-yes { background:var(--mint-10); }
.incl-col h3 { font-size:20px; font-weight:700; margin:0 0 18px; }
.incl-col ul { list-style:none; margin:0; padding:0; columns:2; column-gap:34px; }
.incl-col li { position:relative; padding:0 0 12px 30px; font-size:16px; color:var(--text-primary); break-inside:avoid; }
.incl-yes li::before { content:""; position:absolute; left:0; top:3px; width:18px; height:18px; border-radius:50%;
  background:var(--mint-90) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat; }

/* ---------- Тарифы ---------- */
.tariffs-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(280px,1fr)); gap:24px; max-width:760px; margin:0 auto; }
.tariff { position:relative; background:#fff; border:2px solid var(--grey-10); border-radius:var(--radius-xl);
  padding:34px 30px; text-align:center; transition:transform .2s var(--ease), box-shadow .2s var(--ease); }
.tariff:hover { transform:translateY(-4px); box-shadow:var(--shadow-md); }
.tariff.featured { border-color:var(--orange-60); box-shadow:var(--shadow-accent); }
.tariff .ribbon { position:absolute; top:-13px; left:50%; transform:translateX(-50%); background:var(--orange-60);
  color:#fff; font-size:13px; font-weight:700; padding:6px 16px; border-radius:var(--radius-pill); white-space:nowrap; }
.tariff h3 { font-size:20px; font-weight:700; margin:0 0 14px; }
.tariff .t-price { font-size:38px; font-weight:900; color:var(--ink); margin:0 0 4px; }
.tariff .t-old { font-size:18px; color:var(--text-muted); text-decoration:line-through; }
.tariff .t-note { font-size:14px; color:var(--text-secondary); margin:6px 0 22px; }
.tariffs-start { text-align:center; font-size:15px; color:var(--text-secondary); margin-top:24px; margin-bottom:6px; }
.tariffs-note { text-align:center; font-size:13px; color:var(--text-muted); margin-top:0; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width:780px; margin:0 auto; }
.faq-item { border-bottom:1px solid var(--border-subtle); }
.faq-q { width:100%; background:none; border:none; cursor:pointer; font-family:var(--font);
  display:flex; justify-content:space-between; align-items:center; gap:16px; text-align:left;
  padding:22px 0; font-size:19px; font-weight:700; color:var(--ink); }
.faq-q .ic { flex:0 0 auto; width:24px; height:24px; transition:transform .25s var(--ease); }
.faq-q[aria-expanded="true"] .ic { transform:rotate(45deg); }
.faq-a { max-height:0; overflow:hidden; transition:max-height .3s var(--ease); }
.faq-a p { font-size:16px; color:var(--text-secondary); margin:0; padding:0 0 22px; max-width:660px; }

/* ---------- Footer ---------- */
.cta-band { background:var(--surface-cream); text-align:center; }
.cta-band h2 { font-size:34px; font-weight:900; margin:0 0 24px; }
.site-footer { background:var(--ink); color:#fff; padding:56px 0 40px; }
.footer-top { display:flex; justify-content:space-between; gap:32px; flex-wrap:wrap; margin-bottom:32px; }
.footer-logo svg path[fill="black"]{ fill:#fff; }
.site-footer .logo { filter:brightness(0) invert(1); height:26px; }
.footer-links { display:flex; gap:48px; flex-wrap:wrap; }
.footer-col h4 { font-size:14px; font-weight:600; color:var(--grey-40); margin:0 0 12px; text-transform:uppercase; letter-spacing:.04em; }
.footer-col a { display:block; color:#fff; text-decoration:none; font-size:15px; margin-bottom:10px; opacity:.85; }
.footer-col a:hover { opacity:1; }
.footer-bottom { border-top:1px solid rgba(255,255,255,.12); padding-top:24px; font-size:13px; color:var(--grey-40); }
.cross-link { display:inline-flex; align-items:center; gap:8px; font-weight:700; color:var(--blue-90); text-decoration:none; }
.cross-link:hover { text-decoration:underline; }

/* ---------- Адаптив ---------- */
@media (max-width:980px){
  .cards-grid,.steps-grid { grid-template-columns:1fr 1fr; }
  .hero-grid { gap:32px; }
  .hero h1 { font-size:46px; }
}
@media (max-width:760px){
  :root { --section-y:60px; }
  .site-nav { display:none; }
  .nav-toggle { display:inline-flex; margin-left:auto; }
  .header-right { margin-left:0; }
  .header-phone { display:none; }
  .hero h1 { font-size:38px; }
  .hero-sub { font-size:19px; }
  .section-title { font-size:30px; }
  .cards-grid,.steps-grid { grid-template-columns:1fr; }
  .incl-col ul { columns:1; }
  .course-card { grid-template-columns:1fr; }
  .course-card .cc-side { text-align:left; }
  .accent-line { font-size:17px; padding:22px 24px; }
}
@media (max-width:380px){
  .hero h1 { font-size:34px; }
  .price-now,.tariff .t-price { font-size:30px; }
  .btn,.btn-lg { width:100%; }
}