/* ============================================================================
   Навыки работы в сети — лендинг курса. Светлая премиум-тема + аккуратные анимации.
   ========================================================================== */
:root{
  --bg:#ffffff; --alt:#f5f6fc; --ink:#0f1530; --muted:#5b647e; --line:#e7e9f5;
  --brand:#4f46e5; --brand2:#7c3aed; --pink:#ec4899;
  --grad:linear-gradient(120deg,#4f46e5,#7c3aed 55%,#ec4899);
  --card:#ffffff; --shadow:0 14px 40px rgba(20,26,70,.10); --shadow-sm:0 6px 20px rgba(20,26,70,.07);
  --r:18px; --maxw:1140px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased;
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;overflow-x:hidden}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:var(--brand);text-decoration:none;transition:.2s}
h1,h2,h3{margin:0 0 .5em;line-height:1.15;letter-spacing:-.02em;font-weight:800}
.muted{color:var(--muted)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand2);margin-bottom:14px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
section{padding:92px 0;position:relative}
.alt{background:var(--alt)}

/* header */
header.site{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
header .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-weight:800;font-size:18px}
.brand .dot{color:var(--brand2)}
nav.top{display:flex;align-items:center;gap:30px}
nav.top a{color:var(--muted);font-weight:600;font-size:15px}
nav.top a:hover{color:var(--ink)}
.nav-cta{padding:10px 20px;border-radius:999px;background:var(--grad);color:#fff!important;
  box-shadow:0 8px 20px rgba(99,71,229,.35)}
.nav-cta:hover{filter:brightness(1.05)}
@media(max-width:820px){nav.top a:not(.nav-cta){display:none}}

/* hero */
.hero{padding:84px 0 96px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;
  background:radial-gradient(900px 420px at 78% -8%,rgba(124,58,237,.14),transparent 60%),
             radial-gradient(700px 380px at 5% 8%,rgba(79,70,229,.12),transparent 60%)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.hero h1{font-size:clamp(34px,5vw,56px);font-weight:850}
.hero .lead{font-size:clamp(16px,1.5vw,19px);color:var(--muted);max-width:540px;margin:0 0 26px}
.badges{display:flex;gap:10px;flex-wrap:wrap;margin:22px 0 28px}
.badge{padding:8px 14px;border:1px solid var(--line);border-radius:999px;font-size:14px;font-weight:600;
  color:var(--ink);background:#fff;box-shadow:var(--shadow-sm)}
.cta-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.trust{margin-top:22px;color:var(--muted);font-size:14px;display:flex;align-items:center;gap:8px}
.stars{color:#f59e0b;letter-spacing:2px}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:800;border-radius:14px;transition:.2s;cursor:pointer}
.btn-pay{padding:16px 32px;background:var(--grad);color:#fff;font-size:17px;
  box-shadow:0 14px 32px rgba(99,71,229,.4)}
.btn-pay:hover{transform:translateY(-2px);box-shadow:0 20px 44px rgba(124,58,237,.5)}
.btn-ghost{padding:15px 26px;border:1.5px solid var(--line);color:var(--ink);background:#fff}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

/* hero visual: course player mock */
.hero-visual{position:relative;display:flex;justify-content:center}
.player{width:100%;max-width:440px;background:#fff;border:1px solid var(--line);border-radius:22px;
  box-shadow:var(--shadow);overflow:hidden;transform:rotate(-1.5deg);animation:floaty 7s ease-in-out infinite}
.player .bar{display:flex;gap:7px;padding:14px 16px;border-bottom:1px solid var(--line);background:var(--alt)}
.player .bar i{width:11px;height:11px;border-radius:50%;background:#d7dbec;display:block}
.player .screen{aspect-ratio:16/9;background:var(--grad);display:grid;place-items:center;position:relative}
.player .play{width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;
  box-shadow:0 10px 24px rgba(0,0,0,.2)}
.player .play::after{content:"";border-left:20px solid var(--brand2);border-top:12px solid transparent;
  border-bottom:12px solid transparent;margin-left:5px}
.player .body{padding:18px 18px 22px}
.player .prog{height:7px;border-radius:99px;background:var(--line);overflow:hidden;margin-bottom:16px}
.player .prog i{display:block;height:100%;width:62%;background:var(--grad)}
.player .row{display:flex;align-items:center;gap:12px;padding:9px 0}
.player .row .ck{width:24px;height:24px;border-radius:7px;background:rgba(79,70,229,.12);color:var(--brand);
  display:grid;place-items:center;font-size:13px;font-weight:800}
.player .row .ln{height:10px;border-radius:6px;background:var(--line);flex:1}
.player .row .ln.s{max-width:60%}
.chip-float{position:absolute;top:-14px;right:-6px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:10px 14px;box-shadow:var(--shadow);font-weight:700;font-size:14px;
  animation:floaty 6s ease-in-out infinite reverse}
.chip-float b{color:var(--brand2)}
.chip-float2{position:absolute;bottom:-16px;left:-10px;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:10px 14px;box-shadow:var(--shadow);font-weight:700;font-size:14px;display:flex;gap:8px;align-items:center}
.chip-float2 .av{width:26px;height:26px;border-radius:50%;background:var(--grad)}

/* section head */
.sec-head{max-width:680px;margin:0 auto 52px;text-align:center}
.sec-head h2{font-size:clamp(27px,4vw,40px)}
.sec-head p{color:var(--muted);font-size:17px;margin:0}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:28px;
  box-shadow:var(--shadow-sm);transition:.25s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);transform:scaleX(0);
  transform-origin:left;transition:transform .3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.card:hover::before{transform:scaleX(1)}
.ico{width:54px;height:54px;border-radius:14px;display:grid;place-items:center;font-size:26px;
  background:linear-gradient(135deg,rgba(79,70,229,.12),rgba(236,72,153,.12));margin-bottom:16px}
.card h3{font-size:19px}
.card p{color:var(--muted);font-size:15px;margin:0}

/* modules */
.modules{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.mod{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:22px 24px;box-shadow:var(--shadow-sm);transition:.2s}
.mod:hover{transform:translateX(6px);border-color:#cfd3ee}
.mod .n{flex:0 0 46px;height:46px;border-radius:13px;display:grid;place-items:center;font-weight:800;font-size:18px;
  background:var(--grad);color:#fff}
.mod h3{font-size:18px;margin-bottom:3px}
.mod p{margin:0;color:var(--muted);font-size:15px}

/* stats band */
.statsband{background:var(--grad)}
.statsband .stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:24px;text-align:center}
.statsband .num{font-size:clamp(34px,5vw,50px);font-weight:850;color:#fff}
.statsband .lbl{color:rgba(255,255,255,.85);font-weight:600}

/* testimonials */
.quotes{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px}
.quote{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--shadow-sm)}
.quote .stars{margin-bottom:10px}
.quote p{font-size:15px;margin:0}
.who{display:flex;align-items:center;gap:12px;margin-top:18px}
.who .av{width:44px;height:44px;border-radius:50%;background:var(--grad);display:grid;place-items:center;
  color:#fff;font-weight:800}
.who b{font-size:15px}.who span{display:block;color:var(--muted);font-size:13px}

/* pricing */
.price-card{max-width:480px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:26px;
  padding:42px;text-align:center;box-shadow:var(--shadow);position:relative}
.ribbon{position:absolute;top:18px;right:-44px;transform:rotate(45deg);background:var(--grad);color:#fff;
  font-weight:800;font-size:13px;padding:7px 56px}
.price-card .name{color:var(--muted);font-weight:700}
.price-card .price{font-size:56px;font-weight:850;margin:6px 0}
.price-card .price small{font-size:24px;color:var(--muted);font-weight:700}
.price-card .old{color:var(--muted);text-decoration:line-through;font-weight:600;margin-bottom:14px}
.price-card ul{list-style:none;padding:0;margin:24px 0 28px;text-align:left}
.price-card li{padding:9px 0 9px 32px;position:relative}
.price-card li::before{content:"✓";position:absolute;left:0;top:9px;width:20px;height:20px;border-radius:50%;
  background:rgba(79,70,229,.12);color:var(--brand);font-size:12px;font-weight:800;display:grid;place-items:center}
.price-card .btn-pay{width:100%;justify-content:center}
.note-pay{margin-top:16px;font-size:13px;color:var(--muted)}

/* faq */
.faq{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;padding:2px 24px;box-shadow:var(--shadow-sm);transition:.2s}
.faq details[open]{border-color:#cfd3ee}
.faq summary{cursor:pointer;list-style:none;padding:19px 0;font-weight:700;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand);font-size:24px;font-weight:700;transition:.2s;line-height:1}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:0 0 19px;color:var(--muted)}

/* footer */
footer.site{border-top:1px solid var(--line);padding:44px 0;background:var(--alt)}
footer .container{display:flex;flex-direction:column;gap:10px;align-items:center;text-align:center}
.footer-support a{font-weight:800}
.footer-legal a{color:var(--muted);font-weight:600}
.footer-legal a:hover{color:var(--ink)}
footer .copy{color:var(--muted);font-size:13px}

/* reveal — только если JS активен (иначе контент сразу виден) */
.js .reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}

@keyframes floaty{0%,100%{transform:translateY(0) rotate(-1.5deg)}50%{transform:translateY(-12px) rotate(-1.5deg)}}

@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}}
@media(max-width:880px){
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:-1}
  section{padding:64px 0}
  .player{transform:none;animation:none}
}

/* ---- legal page (оферта) ---- */
.legal-page{padding:52px 0 84px}
.legal{max-width:820px;margin:0 auto}
.legal h1{font-size:clamp(26px,4vw,38px);margin-bottom:6px}
.legal .subtitle{color:var(--muted);font-size:17px;margin:0 0 30px}
.legal h2{font-size:21px;margin:36px 0 12px}
.legal h3{font-size:17px;margin:22px 0 8px;color:var(--ink)}
.legal p{margin:0 0 12px;color:#2a3150}
.legal .req{list-style:none;padding:0;margin:6px 0 0}
.legal .req li{padding:9px 0;border-bottom:1px solid var(--line);color:#2a3150}
.legal .back{display:inline-block;margin-top:36px;font-weight:700}

/* ---- footer contacts/requisites (для активации магазина) ---- */
.footer-contacts{color:var(--muted);font-size:14px;margin:0}
.footer-contacts a{color:var(--ink);font-weight:600}
.footer-req{color:var(--muted);font-size:13px;margin:0}