/* ThinkRed — Основной стиль */
:root{--red:#8b0000;--red2:#cc0000;--gold:#ffd700;--ink:#120f0f;--paper:#f6f0e4;--muted:#b9aa93;--line:rgba(255,215,0,.2)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Arial,sans-serif;background:#120f0f;color:#fff7e6;line-height:1.6}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;border-radius:18px}

/* === Шапка / Навигация === */
.header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px clamp(18px,4vw,56px);background:rgba(18,15,15,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.logo{font-weight:900;font-size:24px;letter-spacing:-.04em}
.logo span{color:var(--gold)}
.nav{display:flex;gap:24px;color:#e9dcc5;font-size:14px}
.nav a:hover,.text-link:hover{color:var(--gold)}
.header-cta,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 20px;font-weight:800}
.header-cta{background:var(--gold);color:#160c0c}

/* === Гамбургер === */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px;z-index:21}
.hamburger span{display:block;width:26px;height:2px;background:var(--gold);border-radius:2px;transition:.3s}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* === Hero === */
.hero{position:relative;overflow:hidden;display:grid;grid-template-columns:1.05fr .95fr;gap:42px;min-height:calc(100vh - 78px);padding:clamp(48px,8vw,110px) clamp(18px,4vw,56px);align-items:center;background:radial-gradient(circle at 80% 20%,rgba(255,215,0,.16),transparent 34%),radial-gradient(circle at 20% 0,rgba(204,0,0,.42),transparent 36%),linear-gradient(135deg,#1a1111,#080707)}
.hero-content{max-width:840px}
.eyebrow{margin:0 0 14px;color:var(--gold);font-size:12px;font-weight:900;letter-spacing:.18em;text-transform:uppercase}
.hero h1{margin:0;font-size:clamp(48px,8vw,112px);line-height:.9;letter-spacing:-.075em;max-width:1000px}
.lead{max-width:690px;margin:28px 0 0;color:#e6d8c1;font-size:clamp(18px,2vw,23px)}
.actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn.primary{background:linear-gradient(135deg,var(--gold),#ffb000);color:#170d0d;box-shadow:0 20px 70px rgba(255,215,0,.18)}
.btn.secondary{border:1px solid var(--line);background:rgba(255,255,255,.06);color:#fff7e6}
.btn.telegram{background:linear-gradient(135deg,#2AABEE,#0088cc);color:#fff;box-shadow:0 20px 70px rgba(42,171,238,.18)}
.btn.stepik{background:linear-gradient(135deg,#e74c3c,#c0392b);color:#fff;box-shadow:0 20px 70px rgba(231,76,60,.18)}
.metrics{display:flex;flex-wrap:wrap;gap:20px;margin-top:28px;color:var(--muted);font-size:14px}
.metrics strong{display:block;color:#fff;font-size:26px}
.hero-card{position:relative;min-height:520px;border:1px solid var(--line);border-radius:34px;background:linear-gradient(145deg,rgba(139,0,0,.34),rgba(255,255,255,.04));box-shadow:0 40px 160px rgba(0,0,0,.45);overflow:hidden;padding:32px;display:flex;flex-direction:column;justify-content:end;gap:14px}
.orb{position:absolute;inset:50% auto auto 50%;width:310px;height:310px;transform:translate(-50%,-56%);border-radius:50%;background:radial-gradient(circle,var(--gold),rgba(204,0,0,.38) 42%,transparent 70%);filter:blur(4px);box-shadow:0 0 90px rgba(255,215,0,.24)}
.card-line{position:relative;padding:18px 20px;border:1px solid rgba(255,255,255,.12);border-radius:18px;background:rgba(0,0,0,.28);font-weight:800}

/* === Секции === */
.section{padding:clamp(54px,8vw,96px) clamp(18px,4vw,56px);max-width:1240px;margin:auto}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature,.post,.modules div,.faq details,.social-card,.author-card{border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.045);padding:26px}
.number{color:var(--gold);font-weight:900}
.feature h2,.post h3{line-height:1.08;margin:14px 0}
.feature p,.post p,.split p,.faq p,.cta p{color:#d9cbb4}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center}
.split h2,.section-head h2,.faq h2,.cta h2{margin:0;font-size:clamp(34px,5vw,64px);line-height:.95;letter-spacing:-.055em}
.modules{display:grid;gap:14px}
.modules div{display:flex;justify-content:space-between;gap:16px}
.modules span{color:var(--gold);font-weight:800}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:22px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post{display:block;transition:.2s transform,.2s border-color}
.post:hover{transform:translateY(-4px);border-color:rgba(255,215,0,.48)}
.post span{color:var(--gold);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.14em}
.post .date{color:var(--muted);font-size:12px;margin:8px 0 0;display:block}

/* === Социальное доказательство === */
.social-proof{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}
.social-card{text-align:center;padding:32px 20px}
.social-card .num{font-size:clamp(36px,5vw,56px);font-weight:900;color:var(--gold);display:block}
.social-card .label{color:var(--muted);font-size:14px;margin-top:6px;display:block}

/* === Социальные ссылки === */
.social-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px}
.social-links a{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;font-weight:700;font-size:14px;transition:.2s}
.social-links .tg{background:rgba(42,171,238,.15);color:#2AABEE;border:1px solid rgba(42,171,238,.3)}
.social-links .tg:hover{background:rgba(42,171,238,.25)}
.social-links .vk{background:rgba(79,122,202,.15);color:#4F7ACA;border:1px solid rgba(79,122,202,.3)}
.social-links .vk:hover{background:rgba(79,122,202,.25)}
.social-links .yt{background:rgba(255,0,0,.15);color:#ff4444;border:1px solid rgba(255,0,0,.3)}
.social-links .yt:hover{background:rgba(255,0,0,.25)}

/* === Форма подписки === */
.subscribe{max-width:560px;margin:30px auto 0;display:flex;gap:12px}
.subscribe input{flex:1;background:rgba(255,255,255,.08);border:1px solid var(--line);border-radius:999px;padding:14px 20px;color:#fff;font-size:15px;outline:none}
.subscribe input::placeholder{color:var(--muted)}
.subscribe input:focus{border-color:var(--gold)}
.subscribe .btn{border:none;cursor:pointer;padding:14px 28px;flex-shrink:0}

/* === Авторская карточка === */
.author-card{display:flex;align-items:center;gap:24px;align-items:start}
.author-avatar{width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--red2));flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:900;color:#160c0c;overflow:hidden}
.author-card h3{margin:0 0 6px}
.author-card .role{color:var(--gold);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.1em}
.author-card p{color:var(--muted);margin:8px 0 0;font-size:15px;line-height:1.5}

/* === Блог === */
.article-body{max-width:780px;margin:0 auto}
.article-body h2{font-size:clamp(26px,3vw,38px);margin:40px 0 16px;line-height:1.1;letter-spacing:-.03em}
.article-body h3{font-size:clamp(20px,2vw,26px);margin:30px 0 12px;color:var(--gold)}
.article-body p{margin:0 0 18px;font-size:clamp(16px,1.2vw,19px);color:#e6d8c1;line-height:1.75}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;color:#d9cbb4;line-height:1.7}
.article-body li{margin-bottom:8px}
.article-body blockquote{border-left:3px solid var(--gold);margin:24px 0;padding:12px 24px;background:rgba(255,215,0,.06);border-radius:0 18px 18px 0;color:#e6d8c1;font-style:italic}
.article-body .meta{display:flex;gap:18px;color:var(--muted);font-size:14px;margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--line)}
.article-body .meta span{display:flex;align-items:center;gap:6px}

/* === FAQ === */
.faq{max-width:920px}
.faq details{margin-top:12px}
.faq summary{cursor:pointer;font-weight:900;font-size:18px}

/* === CTA === */
.cta{margin:40px clamp(18px,4vw,56px);padding:clamp(42px,7vw,78px);border-radius:34px;text-align:center;background:linear-gradient(135deg,rgba(139,0,0,.92),rgba(38,16,16,.92));border:1px solid var(--line)}
.cta p{max-width:680px;margin:18px auto 28px}
.cta .actions{justify-content:center}

/* === Подвал === */
.footer{display:flex;gap:18px;flex-wrap:wrap;justify-content:center;padding:30px;color:#b9aa93;border-top:1px solid var(--line)}
.footer a:hover{color:var(--gold)}

/* === Мобильная адаптация === */
@media (max-width:860px){
  .hamburger{display:flex}
  .nav{display:none;position:fixed;inset:0;background:rgba(18,15,15,.98);backdrop-filter:blur(20px);flex-direction:column;align-items:center;justify-content:center;gap:32px;font-size:24px;z-index:20}
  .nav.open{display:flex}
  .hero,.split,.grid-3,.cards,.social-proof{grid-template-columns:1fr}
  .hero-card{min-height:360px}
  .section-head{display:block}
  .modules div{display:block}
  .header{padding:14px 18px}
  .subscribe{flex-direction:column}
  .subscribe input{width:100%}
  .author-card{flex-direction:column;align-items:center;text-align:center}
  .social-links{justify-content:center}
}