/* ===========================================================================
   Дизайн-токены v2 — агрессивный продающий лендинг, синяя палитра
     --ink       #081B3D  фон hero/футер
     --blue      #1F5AFF  кобальт — основной акцент, CTA, ссылки
     --blue-deep #0B3FD1  тень/градиент от кобальта
     --sky       #E8F0FF  очень светло-синий фон блоков-чипов
     --paper     #F6F8FC  основной светлый фон
     --white     #FFFFFF
     --ink-text  #0B1C3D  текст на светлом
     --slate     #57647D  второстепенный текст
     --line      #E2E8F5
     --lime      #35D07F  акцент "успеха/цены" (второй цвет, редко)
   Шрифты: display — Unbounded (900/800, геометричный, жирный — вайб edtech-лендинга),
           body — Inter, mono — IBM Plex Mono (цифры/цена)
   =========================================================================== */

/* Шрифты подключены локально (self-hosted, base64) — без внешних CDN,
   работает офлайн и в изолированных превью. См. assets/fonts/fonts-embedded.css */
@import url('../fonts/fonts-embedded.css');

:root{
  --ink:#081B3D; --ink-2:#0F2A57;
  --blue:#1F5AFF; --blue-deep:#0B3FD1; --blue-bright:#5B94FF;
  --sky:#E8F0FF; --paper:#F6F8FC; --white:#FFFFFF;
  --ink-text:#0B1C3D; --slate:#57647D; --slate-soft:#8695B3; --line:#E2E8F5;
  --lime:#35D07F; --lime-deep:#1FAE65;
  --radius:18px; --radius-sm:12px;
  --shadow: 0 24px 60px -22px rgba(8,27,61,.35);
  --shadow-lg: 0 34px 80px -20px rgba(8,27,61,.45);
  --font-display:'Inter', system-ui, sans-serif; /* заголовки — Inter 800/900, жирнее и плотнее тела */
  --font-body:'Inter', system-ui, sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0; font-family:var(--font-body); color:var(--ink-text); background:var(--paper); -webkit-font-smoothing:antialiased}
img,svg{max-width:100%; display:block}
a{color:inherit; text-decoration:none}
.container{width:100%; max-width:1280px; margin:0 auto; padding:0 24px}
@media (prefers-reduced-motion: reduce){*{animation:none!important; transition:none!important}}
a:focus-visible, button:focus-visible, input:focus-visible{outline:3px solid var(--blue-bright); outline-offset:2px}

/* ── Топ-бар (телефон + режим работы) ─────────────────────────────────── */
.top-bar{background:var(--ink-2); color:#AFC4F2; font-size:.8rem; padding:8px 0}
.top-bar .row{display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:8px}
.top-bar a{font-weight:600; color:#fff}
.top-bar .sep{opacity:.4; margin:0 8px}

/* ── Header ─────────────────────────────────────────────────────────── */
.site-header{position:sticky; top:0; z-index:50; background:rgba(8,27,61,.94); backdrop-filter:blur(10px); border-bottom:1px solid rgba(255,255,255,.08)}
.site-header .row{display:flex; align-items:center; justify-content:space-between; height:76px; gap:24px}
.brand{display:flex; align-items:center; gap:12px; color:#fff; font-family:var(--font-display); font-weight:800; font-size:1rem; letter-spacing:.01em}
.brand-mark{width:40px; height:40px; flex:0 0 auto}
.brand small{display:block; font-family:var(--font-body); font-weight:600; font-size:.66rem; color:#9DB6EE; letter-spacing:.05em; text-transform:uppercase}
.nav{display:flex; gap:28px}
.nav a{color:#CBD8F5; font-size:.9rem; font-weight:600; transition:color .15s}
.nav a:hover{color:#fff}
.header-cta{display:flex; align-items:center; gap:12px}
.btn{display:inline-flex; align-items:center; justify-content:center; gap:8px; padding:15px 28px; border-radius:999px; font-weight:800; font-size:.94rem; font-family:var(--font-body); border:2px solid transparent; cursor:pointer; transition:transform .15s, box-shadow .15s, background .15s; white-space:nowrap}
.btn-sm{padding:11px 20px; font-size:.86rem}
.btn-primary{background:var(--blue); color:#fff; box-shadow:0 14px 30px -10px rgba(31,90,255,.6)}
.btn-primary:hover{background:var(--blue-deep); transform:translateY(-2px) scale(1.01)}
.btn-lime{background:var(--lime); color:#062015; box-shadow:0 14px 30px -10px rgba(53,208,127,.55)}
.btn-lime:hover{background:var(--lime-deep); transform:translateY(-2px)}
.btn-ghost{background:transparent; color:#EAF0FF; border-color:rgba(255,255,255,.3)}
.btn-ghost:hover{border-color:#fff}
.btn-outline-dark{background:transparent; color:var(--ink-text); border-color:var(--ink-text)}
.btn-outline-dark:hover{background:var(--ink-text); color:#fff}

/* ── Hero ───────────────────────────────────────────────────────────── */
.hero{background:radial-gradient(1200px 600px at 82% -8%, #16408C 0%, var(--ink) 55%), var(--ink); color:#fff; position:relative; overflow:hidden; padding:64px 0 0}
.hero .row{display:grid; grid-template-columns:1.05fr .95fr; gap:40px; align-items:center; padding-bottom:56px}
@media (max-width:980px){.hero .row{grid-template-columns:1fr}}
.eyebrow{display:inline-flex; align-items:center; gap:8px; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.12em; text-transform:uppercase; color:#AECBFF; background:rgba(91,148,255,.14); border:1px solid rgba(91,148,255,.35); padding:7px 16px; border-radius:999px; margin-bottom:24px; font-weight:600}
.hero h1{font-family:var(--font-display); font-weight:900; font-size:clamp(2.1rem, 4.4vw, 3.6rem); line-height:1.08; letter-spacing:-.005em; margin:0 0 22px; text-transform:none}
.hero h1 span{color:var(--blue-bright)}
.hero p.lead{font-size:1.14rem; line-height:1.6; color:#C7D5F2; max-width:50ch; margin:0 0 32px; font-weight:500}
.hero-actions{display:flex; gap:14px; flex-wrap:wrap; margin-bottom:8px}
.hero-note{font-size:.82rem; color:#8FA5D6; margin:14px 0 0}

.benefit-row{display:flex; flex-wrap:wrap; gap:10px; margin:34px 0 0; padding-top:30px; border-top:1px solid rgba(255,255,255,.14)}
.benefit-chip{display:flex; align-items:center; gap:8px; background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.14); padding:9px 15px; border-radius:999px; font-size:.83rem; font-weight:600; color:#E4ECFF}
.benefit-chip svg{width:16px; height:16px; color:var(--lime); flex:0 0 auto}

.pick-widget{background:#fff; border-radius:var(--radius); padding:26px; box-shadow:var(--shadow-lg); color:var(--ink-text)}
.pick-widget .tag{font-family:var(--font-mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase; color:var(--blue); font-weight:700}
.pick-widget h3{font-family:var(--font-display); font-size:1.2rem; margin:10px 0 18px; line-height:1.3; font-weight:800; letter-spacing:0}
.pick-widget .opts{display:flex; flex-wrap:wrap; gap:8px; margin-bottom:18px}
.pick-widget .opt{border:1.5px solid var(--line); border-radius:999px; padding:8px 15px; font-size:.82rem; font-weight:700; color:var(--slate); cursor:pointer; transition:.15s}
.pick-widget .opt.active{border-color:var(--blue); color:var(--blue); background:var(--sky)}
.pick-widget .btn{width:100%}
.pick-widget .fine{font-size:.7rem; color:var(--slate-soft); margin-top:12px; line-height:1.5}

.stats-strip{background:var(--blue); color:#fff}
.stats-strip .row{display:grid; grid-template-columns:repeat(4,1fr); padding:34px 0}
@media (max-width:820px){.stats-strip .row{grid-template-columns:repeat(2,1fr); gap:22px}}
.stats-strip .stat{text-align:center; padding:0 12px; border-right:1px solid rgba(255,255,255,.22)}
.stats-strip .stat:last-child{border-right:none}
@media (max-width:820px){.stats-strip .stat{border-right:none}}
.stats-strip b{display:block; font-family:var(--font-mono); font-weight:700; font-size:clamp(1.5rem,3vw,2.1rem)}
.stats-strip span{font-size:.8rem; color:#D6E3FF; font-weight:600}

section{padding:88px 0}
.section-head{max-width:680px; margin:0 0 44px}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center}
.section-head .eyebrow{background:var(--sky); color:var(--blue); border-color:#CBDBFF}
.section-head h2{font-family:var(--font-display); font-weight:900; font-size:clamp(1.7rem,2.8vw,2.5rem); margin:0 0 14px; letter-spacing:0; line-height:1.15}
.section-head p{color:var(--slate); font-size:1.02rem; line-height:1.6; margin:0; font-weight:500}

.levels{background:var(--white)}
.level-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
@media (max-width:980px){.level-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.level-grid{grid-template-columns:1fr}}
.level-card{background:var(--sky); border-radius:var(--radius-sm); padding:24px; transition:transform .18s, background .18s}
.level-card:hover{transform:translateY(-3px); background:#DCE9FF}
.level-card .ico{width:38px; height:38px; color:var(--blue); margin-bottom:16px}
.level-card h4{font-family:var(--font-display); font-size:1rem; margin:0 0 6px; line-height:1.3; font-weight:800}
.level-card p{margin:0; font-size:.82rem; color:var(--slate); font-weight:600}

.why{background:var(--ink); color:#fff}
.why .section-head .eyebrow{background:rgba(91,148,255,.14); color:#AECBFF; border-color:rgba(91,148,255,.35)}
.why .section-head h2{color:#fff}
.why .section-head p{color:#B9C9EE}
.why-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
@media (max-width:900px){.why-grid{grid-template-columns:1fr}}
.why-card{background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:var(--radius); padding:26px}
.why-card .ico{width:36px; height:36px; color:var(--lime); margin-bottom:16px}
.why-card h4{font-family:var(--font-display); font-size:1.05rem; margin:0 0 10px; font-weight:800}
.why-card p{margin:0; font-size:.9rem; color:#C2D1F2; line-height:1.55; font-weight:500}

.process{background:var(--paper)}
.process-grid{display:grid; grid-template-columns:repeat(6,1fr); gap:16px}
@media (max-width:980px){.process-grid{grid-template-columns:repeat(2,1fr)}}
.process-step{background:var(--white); border:1px solid var(--line); border-radius:var(--radius-sm); padding:22px 18px; position:relative}
.process-step .n{font-family:var(--font-mono); color:#fff; background:var(--blue); display:inline-block; padding:4px 10px; border-radius:6px; font-size:.75rem; font-weight:700; margin-bottom:14px}
.process-step h3{font-family:var(--font-display); font-size:.98rem; margin:0 0 8px; font-weight:800}
.process-step p{font-size:.84rem; color:var(--slate); line-height:1.5; margin:0; font-weight:500}

.catalog{background:var(--white)}
.course-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px}
@media (max-width:900px){.course-grid{grid-template-columns:1fr}}
.course-card{border:1px solid var(--line); border-radius:var(--radius); overflow:hidden; background:var(--white); transition:transform .18s, box-shadow .18s; display:flex; flex-direction:column; position:relative}
.course-card:hover{transform:translateY(-5px); box-shadow:var(--shadow)}
.course-card .badge{position:absolute; top:18px; right:18px; background:var(--lime); color:#062015; font-size:.7rem; font-weight:800; padding:5px 11px; border-radius:999px}
.course-card .cat{padding:22px 22px 0; font-family:var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--blue); font-weight:700}
.course-card h3{font-family:var(--font-display); font-weight:800; font-size:1.12rem; margin:10px 22px 8px; line-height:1.3; letter-spacing:0}
.course-card p{margin:0 22px; color:var(--slate); font-size:.87rem; line-height:1.55; flex:1; font-weight:500}
.course-meta{display:flex; justify-content:space-between; align-items:center; padding:18px 22px; border-top:1px solid var(--line); margin-top:18px}
.course-meta .price{font-family:var(--font-mono); font-weight:700; font-size:1.15rem; color:var(--ink-text)}
.course-meta .hours{font-size:.78rem; color:var(--slate-soft); font-weight:600}

.cta-banner{background:linear-gradient(120deg, var(--blue) 0%, var(--blue-deep) 100%); color:#fff; border-radius:28px; padding:60px; display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap; position:relative; overflow:hidden}
.cta-banner::after{content:''; position:absolute; right:-60px; top:-60px; width:260px; height:260px; border-radius:50%; background:radial-gradient(circle, rgba(255,255,255,.16), transparent 70%)}
.cta-banner h2{font-family:var(--font-display); font-weight:900; font-size:2.1rem; margin:0 0 10px; max-width:24ch; position:relative; letter-spacing:0}
.cta-banner p{margin:0; color:#DCE7FF; max-width:44ch; font-weight:500; position:relative}
.cta-banner .actions{display:flex; gap:12px; position:relative; flex-wrap:wrap}
.cta-banner .btn-primary{background:#fff; color:var(--blue)}
.cta-banner .btn-primary:hover{background:#EAF1FF}

footer{background:var(--ink); color:#AFC0E0; padding:64px 0 28px}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:32px; padding-bottom:40px; border-bottom:1px solid rgba(255,255,255,.1)}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr}}
footer h4{color:#fff; font-family:var(--font-body); font-size:.8rem; letter-spacing:.06em; text-transform:uppercase; margin:0 0 16px; font-weight:800}
footer ul{list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:10px}
footer a{font-size:.88rem; color:#AFC0E0; transition:color .15s; font-weight:500}
footer a:hover{color:#fff}
.footer-bottom{display:flex; justify-content:space-between; flex-wrap:wrap; gap:12px; padding-top:24px; font-size:.78rem; color:#7E8FB5}

.mobile-sticky-cta{display:none}
@media (max-width:760px){
  .mobile-sticky-cta{display:flex; position:fixed; bottom:0; left:0; right:0; z-index:60; background:#fff; padding:12px 16px; box-shadow:0 -10px 30px rgba(8,27,61,.18); gap:10px}
  .mobile-sticky-cta .btn{flex:1}
  body{padding-bottom:72px}
}

/* ── Glass-карточки (glassmorphism) — плавающие поверх hero, как у synergy.ru ── */
.hero-visual-col{position:relative}
.glass-stack{position:absolute; top:-22px; right:-22px; display:flex; flex-direction:column; gap:12px; z-index:3}
.glass-card{
  display:flex; align-items:center; gap:12px; width:224px;
  background:rgba(255,255,255,.10); backdrop-filter:blur(18px) saturate(140%); -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.28); border-radius:16px; padding:13px 16px;
  box-shadow:0 24px 48px -20px rgba(3,10,26,.55);
}
.glass-card .ic{width:38px; height:38px; border-radius:50%; background:rgba(91,148,255,.28); border:1px solid rgba(143,180,255,.4); display:flex; align-items:center; justify-content:center; flex:0 0 auto}
.glass-card .ic svg{width:19px; height:19px; color:#BFD6FF}
.glass-card span{font-size:.78rem; font-weight:700; line-height:1.32; color:#F2F6FF}
@media (max-width:980px){
  .glass-stack{position:static; flex-direction:row; flex-wrap:wrap; margin:0 0 22px}
  .glass-card{width:auto; flex:1 1 200px}
}