:root{--bg:#08090c;--panel:#11141a;--panel2:#171b22;--text:#f7f7f8;--muted:#a8adb7;--line:#2c313b;--accent:#ff6b22;--accent2:#ff9b42;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 88% 5%,rgba(255,107,34,.12),transparent 28%),linear-gradient(180deg,#08090c 0%,#0b0d11 100%);color:var(--text);font-family:Arial,Helvetica,sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.shell{width:min(var(--max),calc(100% - 40px));margin:auto}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:24px;padding:14px max(20px,calc((100vw - var(--max))/2));background:rgba(8,9,12,.88);border-bottom:1px solid rgba(255,255,255,.09);backdrop-filter:blur(18px)}.brand{font-weight:900;font-size:19px;letter-spacing:-.02em;white-space:nowrap}.brand span{background:var(--accent);color:#111;padding:5px 8px;border-radius:7px}.site-nav{display:flex;gap:20px;margin-left:auto;font-size:14px;color:#c9ced5}.site-nav a{transition:.2s}.site-nav a:hover{color:#fff}.mini-btn,.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;font-weight:850;transition:.2s}.mini-btn{padding:10px 14px;background:var(--accent);color:#111;font-size:12px}.mini-btn:hover,.btn:hover{transform:translateY(-2px);filter:brightness(1.08)}
.hero{position:relative;padding:78px 0 60px;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(280px,.75fr);gap:54px;align-items:center;overflow:hidden}.hero:after{content:"";display:block;aspect-ratio:1;border-radius:32px;border:1px solid rgba(255,255,255,.1);background:radial-gradient(circle at 38% 32%,rgba(255,155,66,.75) 0 4%,transparent 5%),radial-gradient(circle at 63% 56%,rgba(255,107,34,.85) 0 6%,transparent 7%),linear-gradient(145deg,rgba(255,255,255,.06),rgba(255,107,34,.07));box-shadow:inset 0 0 0 20px rgba(255,255,255,.015),0 26px 70px rgba(0,0,0,.4);transform:rotate(2deg)}.hero:before{content:"БАЗА ЗНАНИЙ";position:absolute;right:72px;top:50%;z-index:2;transform:translateY(-50%) rotate(-90deg);font-size:12px;font-weight:900;letter-spacing:.26em;color:rgba(255,255,255,.42)}.hero>*{min-width:0}.breadcrumbs{grid-column:1;font-size:13px;color:var(--muted);margin-bottom:-12px}.breadcrumbs a{color:#e4e7eb}.kicker{grid-column:1;color:var(--accent);font-weight:900;font-size:12px;letter-spacing:.16em;text-transform:uppercase;margin:0}.hero h1{grid-column:1;font-size:clamp(42px,5.7vw,76px);line-height:1.02;letter-spacing:-.05em;margin:0;max-width:900px}.lead{grid-column:1;font-size:20px;color:#c5cad2;max-width:820px;margin:0}.hero-actions{grid-column:1;display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}.btn{background:var(--accent);color:#111;padding:14px 19px}.btn.secondary{background:rgba(255,255,255,.04);color:#fff;border:1px solid var(--line)}
.section{padding:42px 0}.section h2{font-size:clamp(30px,4vw,48px);line-height:1.08;letter-spacing:-.04em;margin:0 0 14px}.section h2:before{content:"";display:inline-block;width:34px;height:3px;border-radius:10px;background:var(--accent);vertical-align:middle;margin-right:13px}.section-intro{color:var(--muted);max-width:850px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:24px}.grid .card:first-child:nth-last-child(3),.grid .card:first-child:nth-last-child(3)~.card{grid-column:auto}.card{position:relative;background:linear-gradient(145deg,rgba(255,255,255,.045),rgba(255,255,255,.018));border:1px solid var(--line);border-radius:20px;padding:26px;overflow:hidden}.card:after{content:"";position:absolute;inset:auto -35px -55px auto;width:120px;height:120px;border-radius:50%;background:rgba(255,107,34,.05)}.card h3{margin:0 0 10px;font-size:22px;letter-spacing:-.02em}.card p,.card li{color:#c0c5cd}.card ul{margin:12px 0 0;padding-left:20px}.card li+li{margin-top:7px}
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.related a{position:relative;padding:20px 48px 20px 20px;border:1px solid var(--line);border-radius:16px;background:var(--panel);transition:.2s}.related a:after{content:"→";position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:22px}.related a:hover{border-color:var(--accent);transform:translateY(-2px)}
.faq details{border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:19px 22px;margin:11px 0}.faq details[open]{border-color:rgba(255,107,34,.6)}.faq summary{font-weight:850;cursor:pointer;font-size:17px}.faq p{color:#bbc1ca;margin-bottom:0}.contact-block{margin:58px auto 0;background:linear-gradient(105deg,#ff6b22,#ff914d);color:#171717;border-radius:24px;padding:34px 38px;display:flex;justify-content:space-between;align-items:center;gap:24px;box-shadow:0 25px 65px rgba(255,107,34,.16)}.contact-block h2{margin:0;font-size:34px;letter-spacing:-.035em}.contact-block p{margin:7px 0 0}.contact-actions{display:flex;gap:10px;flex-wrap:wrap}.contact-actions a{background:#111;color:#fff;padding:13px 17px;border-radius:11px;font-weight:850}.footer{border-top:1px solid var(--line);margin-top:54px;padding:30px 0;color:#a9afb8}.footer-row{display:flex;gap:20px;align-items:center;justify-content:space-between}.footer nav{display:flex;gap:16px;font-size:13px}.copy{font-size:12px}
@media(min-width:900px){.hero>.breadcrumbs,.hero>.kicker,.hero>h1,.hero>.lead,.hero>.hero-actions{grid-column:1}.hero:after{grid-column:2;grid-row:1/7}}
@media(max-width:899px){.hero{display:block;padding:52px 0 38px}.hero:after,.hero:before{display:none}.hero>*+*{margin-top:16px}.hero h1{font-size:clamp(40px,12vw,62px)}.lead{font-size:18px}.grid,.related{grid-template-columns:1fr}.contact-block,.footer-row{align-items:flex-start;flex-direction:column}.topbar{flex-wrap:wrap}.site-nav{order:3;width:100%;overflow:auto;margin-left:0;padding-bottom:2px}.section{padding:34px 0}.shell{width:min(var(--max),calc(100% - 28px))}}