/* Онлайн-курс — светлая энергичная edtech-тема, акцент фиолетовый. */
:root{
  --bg:#faf9ff;--card:#ffffff;--ink:#171430;--mut:#6b6786;--line:#ece9f7;
  --acc:#7c3aed;--acc2:#a855f7;--acc3:#00c2a8;--warm:#ff9f45;--ok:#22c55e;
  --radius:18px;--max:1160px;--ease:cubic-bezier(.2,.8,.2,1);
  --font:'Nunito Sans',-apple-system,Segoe UI,Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.sec{padding:90px 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:15px 30px;border-radius:14px;font-weight:800;font-size:16px;cursor:pointer;border:0;transition:.25s var(--ease);font-family:inherit}
.btn--primary{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;box-shadow:0 12px 30px rgba(124,58,237,.3)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(124,58,237,.42)}
.btn--light{background:#fff;color:var(--acc);border:2px solid var(--line)}
.btn--light:hover{border-color:var(--acc)}
.btn--wide{width:100%}

/* header */
.hdr{position:fixed;top:0;left:0;right:0;z-index:100;transition:.3s}
.hdr.scr{background:rgba(250,249,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-size:23px;font-weight:800}.logo b{color:var(--acc)}
.nav{display:flex;gap:26px;align-items:center}
.nav a{color:var(--mut);font-weight:700;font-size:15px}
.nav a:hover{color:var(--ink)}
.burger{display:none;background:none;border:0;font-size:26px;cursor:pointer;color:var(--ink)}

/* hero */
.hero{padding:118px 0 80px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;width:680px;height:680px;border-radius:50%;top:-260px;right:-160px;
  background:radial-gradient(circle,rgba(168,85,247,.22),transparent 70%)}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;position:relative}
.tag{display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:100px;background:#fff;border:1px solid var(--line);font-weight:800;font-size:13px;color:var(--acc);margin-bottom:20px;box-shadow:0 6px 16px rgba(124,58,237,.08)}
.hero h1{font-size:clamp(34px,5.2vw,56px);line-height:1.05;font-weight:800;margin:0 0 18px;letter-spacing:-.02em}
.hero h1 mark{background:linear-gradient(120deg,rgba(124,58,237,.18),rgba(168,85,247,.18));color:var(--acc);padding:0 6px;border-radius:6px}
.hero .lead{color:var(--mut);font-size:19px;margin:0 0 26px;max-width:520px}
.hero .facts{display:flex;gap:28px;flex-wrap:wrap;margin-bottom:28px}
.hero .fact b{font-size:30px;display:block;line-height:1;background:linear-gradient(135deg,var(--acc),var(--acc3));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .fact span{font-size:14px;color:var(--mut)}
.hero .actions{display:flex;gap:14px;flex-wrap:wrap}

/* enroll card */
.enroll{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:30px;box-shadow:0 30px 70px rgba(80,50,160,.12)}
.enroll .old{color:var(--mut);text-decoration:line-through;font-size:18px}
.enroll .now{font-size:38px;font-weight:800;color:var(--acc)}
.enroll .now small{font-size:16px;color:var(--mut);font-weight:700}
.enroll .save{display:inline-block;background:#ffe9d6;color:#c2540a;font-weight:800;font-size:13px;padding:5px 12px;border-radius:8px;margin:8px 0 4px}
.enroll .timer{display:flex;gap:8px;margin:16px 0}
.enroll .timer .u{flex:1;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:10px;text-align:center}
.enroll .timer .u b{font-size:24px;display:block}.enroll .timer .u span{font-size:11px;color:var(--mut)}
.enroll .field{margin-bottom:12px}
.enroll label{display:block;font-size:13px;color:var(--mut);margin-bottom:6px;font-weight:700}
.enroll input{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:13px 15px;color:var(--ink);font:inherit}
.enroll input:focus{outline:none;border-color:var(--acc)}
.lp-consent{display:flex;gap:9px;align-items:flex-start;font-size:12px;color:var(--mut);margin:12px 0;cursor:pointer}
.lp-consent input{margin-top:2px;width:16px;height:16px;flex:0 0 auto;accent-color:var(--acc)}
.lp-consent a{color:var(--acc);text-decoration:underline}

/* head */
.head{text-align:center;max-width:660px;margin:0 auto 50px}
.head .k{color:var(--acc);font-weight:800;font-size:14px;letter-spacing:.06em;text-transform:uppercase;margin-bottom:10px}
.head h2{font-size:clamp(28px,4.4vw,44px);font-weight:800;margin:0 0 12px;letter-spacing:-.02em;line-height:1.1}
.head p{color:var(--mut);font-size:18px;margin:0}

/* logos / benefits */
.grid{display:grid;gap:18px}
.g4{grid-template-columns:repeat(4,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.3s var(--ease)}
.card:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(80,50,160,.1)}
.card .ic{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,rgba(124,58,237,.14),rgba(0,194,168,.14));display:grid;place-items:center;font-size:26px;margin-bottom:14px}
.card h3{font-size:18px;margin:0 0 8px}.card p{color:var(--mut);font-size:15px;margin:0}

/* program modules */
.mods{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.mod{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;gap:18px;transition:.25s}
.mod:hover{border-color:var(--acc)}
.mod .num{flex:0 0 auto;width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px}
.mod h3{font-size:18px;margin:0 0 6px}.mod p{color:var(--mut);font-size:14px;margin:0 0 8px}
.mod .wk{font-size:12px;font-weight:800;color:var(--acc);text-transform:uppercase;letter-spacing:.04em}

/* teachers */
.team{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.mem{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-align:center;transition:.25s}
.mem:hover{transform:translateY(-5px);box-shadow:0 20px 44px rgba(80,50,160,.1)}
.mem .ph{height:150px;background:linear-gradient(160deg,var(--c),#fff)}
.mem .b{padding:18px}
.mem b{font-size:17px;display:block}.mem span{color:var(--mut);font-size:13px}

/* results */
.res{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.rc .who{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.rc .av{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--acc),var(--acc3));display:grid;place-items:center;font-weight:800;color:#fff}
.rc .who b{display:block;font-size:16px}.rc .who span{color:var(--mut);font-size:13px}
.rc .sal{display:flex;align-items:center;gap:10px;margin:12px 0;font-weight:800}
.rc .sal .from{color:var(--mut);text-decoration:line-through;font-size:15px}
.rc .sal .to{color:var(--ok);font-size:20px}
.rc p{color:var(--mut);font-size:14px;margin:0}

/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}
.plan{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:32px;display:flex;flex-direction:column}
.plan.pop{border:2px solid var(--acc);box-shadow:0 24px 60px rgba(124,58,237,.18);position:relative}
.plan.pop::before{content:"Популярный";position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;font-weight:800;font-size:13px;padding:5px 16px;border-radius:100px}
.plan h3{font-size:22px;margin:0 0 6px}.plan .mut{color:var(--mut);font-size:14px}
.plan .p{font-size:34px;font-weight:800;margin:14px 0 2px;color:var(--acc)}.plan .p small{font-size:14px;color:var(--mut);font-weight:700}
.plan ul{list-style:none;padding:0;margin:20px 0;display:flex;flex-direction:column;gap:11px}
.plan li{display:flex;gap:10px;font-size:15px;color:var(--mut)}.plan li::before{content:"✓";color:var(--ok);font-weight:800}
.plan .btn{margin-top:auto}

/* faq */
.faq{max-width:800px;margin:0 auto}
.q{background:var(--card);border:1px solid var(--line);border-radius:14px;margin-bottom:12px;overflow:hidden}
.q summary{list-style:none;cursor:pointer;padding:20px 24px;font-weight:800;font-size:17px;display:flex;justify-content:space-between;gap:14px}
.q summary::-webkit-details-marker{display:none}
.q .ar{color:var(--acc);font-size:22px;transition:.3s}.q[open] .ar{transform:rotate(45deg)}
.q .a{padding:0 24px 20px;color:var(--mut);font-size:15px}

/* band */
.band{background:linear-gradient(135deg,var(--acc),var(--acc2));border-radius:26px;padding:56px;text-align:center;color:#fff;position:relative;overflow:hidden}
.band h2{font-size:clamp(26px,4vw,40px);margin:0 0 12px;font-weight:800}
.band p{margin:0 0 26px;font-size:18px;opacity:.9}
.band .btn{background:#fff;color:var(--acc)}

/* flash */
.lp-flash{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:9998;max-width:520px;width:calc(100% - 36px);padding:15px 44px 15px 18px;border-radius:12px;font-weight:700;box-shadow:0 20px 50px rgba(80,50,160,.2)}
.lp-flash--ok{background:#e7f8ee;border:1px solid #b7e6c9;color:#1c7a44}
.lp-flash--err{background:#fdeaea;border:1px solid #f2c2c2;color:#b23434}
.lp-flash__close{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:0;color:inherit;font-size:22px;cursor:pointer}

/* footer */
.footer{padding:56px 0 30px;border-top:1px solid var(--line)}
.footer .top{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:24px}
.footer .cols{display:flex;gap:48px;flex-wrap:wrap}
.footer .col b{display:block;font-size:14px;margin-bottom:12px}
.footer .col a{display:block;color:var(--mut);font-size:14px;margin-bottom:8px}.footer .col a:hover{color:var(--ink)}
.footer .legal{border-top:1px solid var(--line);padding-top:20px;font-size:13px;color:var(--mut);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:.7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.d1{transition-delay:.08s}.d2{transition-delay:.16s}.d3{transition-delay:.24s}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

@media(max-width:960px){
  .hero .container{grid-template-columns:1fr}
  .g4,.team{grid-template-columns:repeat(2,1fr)}.g3,.res,.plans{grid-template-columns:repeat(2,1fr)}
  .mods{grid-template-columns:1fr}.nav{display:none}
}
@media(max-width:600px){
  .g4,.g3,.team,.res,.plans{grid-template-columns:1fr}.sec{padding:64px 0}.band{padding:36px 22px}
}