*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;background:#f6f8fc;color:#0b1220}a{text-decoration:none;color:inherit}img{max-width:100%}.container{width:min(1200px,92%);margin:auto}.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.78);backdrop-filter:blur(22px);border-bottom:1px solid rgba(148,163,184,.22)}.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}.brand{display:flex;align-items:center;gap:12px;font-weight:950;letter-spacing:-.03em;color:#0f172a}.brand-mark{width:42px;height:42px;display:grid;place-items:center;background:linear-gradient(135deg,#111827,#1d4ed8 55%,#06b6d4);color:#fff;border-radius:16px;box-shadow:0 16px 35px rgba(37,99,235,.28)}nav{display:flex;align-items:center;gap:22px;color:#475569;font-weight:800;font-size:15px}nav a{transition:.25s}.topbar nav a:hover{color:#1d4ed8}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:linear-gradient(135deg,#2563eb,#0ea5e9);color:#fff;padding:14px 22px;border-radius:16px;font-weight:950;border:0;box-shadow:0 18px 40px rgba(37,99,235,.25);cursor:pointer;transition:.28s}.btn:hover{transform:translateY(-2px);box-shadow:0 24px 55px rgba(37,99,235,.34)}.btn-outline{background:#fff;color:#1d4ed8;border:1px solid #bfdbfe;box-shadow:0 12px 30px rgba(15,23,42,.06)}.btn-small{padding:10px 16px;border-radius:13px}.badge{display:inline-flex;align-items:center;gap:8px;background:rgba(37,99,235,.10);color:#1d4ed8;padding:9px 14px;border-radius:999px;font-weight:950;font-size:13px;border:1px solid rgba(37,99,235,.15)}.hero{position:relative;overflow:hidden;background:radial-gradient(circle at 85% 5%,#bfdbfe 0,transparent 32%),radial-gradient(circle at 15% 20%,#ccfbf1 0,transparent 24%),linear-gradient(180deg,#fff 0,#eef6ff 100%);padding:96px 0 82px}.hero:before{content:"";position:absolute;inset:auto -8% -30% -8%;height:360px;background:linear-gradient(90deg,rgba(37,99,235,.08),rgba(14,165,233,.10));filter:blur(20px);transform:rotate(-3deg)}.hero-grid{position:relative;display:grid;grid-template-columns:1.02fr .98fr;gap:46px;align-items:center}.hero h1{font-size:clamp(42px,5vw,72px);line-height:.98;margin:22px 0 20px;color:#0f172a;letter-spacing:-.065em}.hero p{font-size:20px;line-height:1.75;color:#475569;max-width:720px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:32px;max-width:620px}.metrics div{background:rgba(255,255,255,.74);border:1px solid rgba(148,163,184,.18);padding:18px;border-radius:22px;box-shadow:0 12px 35px rgba(15,23,42,.06)}.metrics strong{display:block;font-size:28px;color:#0f172a;letter-spacing:-.04em}.metrics span{display:block;color:#64748b;font-weight:800;margin-top:4px}.hero-card{position:relative}.dashboard-preview{background:linear-gradient(180deg,#101827,#020617);color:white;border-radius:32px;padding:26px;border:1px solid rgba(255,255,255,.08);box-shadow:0 34px 85px rgba(2,6,23,.32);transform:perspective(1200px) rotateY(-7deg) rotateX(3deg)}.preview-head{display:flex;gap:8px;margin-bottom:22px}.preview-head span{width:12px;height:12px;border-radius:50%;background:#38bdf8}.preview-head span:nth-child(2){background:#22c55e}.preview-head span:nth-child(3){background:#f59e0b}.dashboard-preview h3{font-size:25px;margin:0 0 20px;letter-spacing:-.04em}.progress-row{display:flex;justify-content:space-between;margin:18px 0 9px;color:#e2e8f0;font-weight:850}.bar{height:10px;background:rgba(255,255,255,.11);border-radius:999px;overflow:hidden}.bar i{display:block;height:100%;background:linear-gradient(90deg,#38bdf8,#2563eb,#22c55e);border-radius:inherit}.bar.big{height:16px;background:#e2e8f0}.chart-box{height:165px;display:flex;align-items:end;gap:12px;margin-top:26px;padding:16px;background:rgba(255,255,255,.05);border-radius:22px;border:1px solid rgba(255,255,255,.07)}.chart-box div{flex:1;background:linear-gradient(180deg,#67e8f9,#2563eb);border-radius:14px 14px 5px 5px;box-shadow:0 10px 25px rgba(14,165,233,.22);animation:rise .8s ease both}@keyframes rise{from{transform:scaleY(.45);opacity:.35;transform-origin:bottom}to{transform:scaleY(1);opacity:1}}.section{padding:82px 0}.section-title{max-width:780px;margin-bottom:34px}.section-title h2{font-size:clamp(32px,4vw,48px);line-height:1.08;margin:16px 0;color:#0f172a;letter-spacing:-.055em}.section-title p{color:#64748b;line-height:1.7;font-size:18px}.grid-3,.course-grid,.pricing-grid,.dash-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-2,.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.card,.course-card,.price-card,.auth-card,.form-card{position:relative;background:rgba(255,255,255,.92);border:1px solid rgba(148,163,184,.20);border-radius:30px;padding:28px;box-shadow:0 18px 55px rgba(15,23,42,.07);transition:.28s;overflow:hidden}.card:before,.course-card:before,.price-card:before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,#2563eb,#06b6d4,#22c55e);opacity:.85}.card:hover,.course-card:hover,.price-card:hover{transform:translateY(-6px);box-shadow:0 26px 70px rgba(15,23,42,.11)}.card h3,.course-card h3{font-size:23px;margin:10px 0 10px;letter-spacing:-.035em;color:#0f172a}.card p,.course-card p{color:#64748b;line-height:1.75}.course-card{min-height:260px;display:flex;flex-direction:column}.course-card span{width:max-content;font-size:13px;font-weight:950;color:#1d4ed8;background:#dbeafe;padding:8px 12px;border-radius:999px}.course-card a{margin-top:auto;font-weight:950;color:#1d4ed8}.course-card a:after{content:" →"}.cta{background:radial-gradient(circle at top right,rgba(59,130,246,.35),transparent 30%),linear-gradient(135deg,#020617,#0f172a 65%,#111827);color:white;text-align:center;padding:90px 0}.cta h2{font-size:clamp(34px,4vw,54px);line-height:1.05;margin:0 0 14px;letter-spacing:-.055em}.cta p{font-size:19px;color:#cbd5e1}.page-hero{background:radial-gradient(circle at 80% 0,#dbeafe,transparent 30%),linear-gradient(180deg,#fff,#eef6ff);padding:78px 0}.page-hero h1{font-size:clamp(38px,5vw,60px);letter-spacing:-.055em;line-height:1.02;margin:18px 0;color:#0f172a}.page-hero p{font-size:19px;line-height:1.75;color:#64748b;max-width:760px}.filters{display:grid;grid-template-columns:1fr 260px;gap:14px;margin-bottom:26px}.filters input,.filters select,.auth-card input,.form-card input,.form-card textarea{width:100%;padding:16px 18px;border:1px solid #cbd5e1;border-radius:16px;font-size:16px;background:white;outline:none;transition:.2s}.filters input:focus,.filters select:focus,.auth-card input:focus,.form-card input:focus,.form-card textarea:focus{border-color:#2563eb;box-shadow:0 0 0 4px rgba(37,99,235,.10)}.module-list{display:grid;gap:14px}.module-list div{display:flex;justify-content:space-between;gap:18px;background:white;border:1px solid rgba(148,163,184,.22);border-radius:20px;padding:18px 20px;box-shadow:0 12px 35px rgba(15,23,42,.05)}.auth-page{min-height:70vh;padding:80px 0;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 20% 0,#dbeafe,transparent 28%),#f8fafc}.auth-card{width:min(470px,92%);display:grid;gap:14px}.auth-card h1{margin:0;font-size:34px;letter-spacing:-.04em}.auth-card a{color:#2563eb;font-weight:850;text-align:center}.alert{background:#fee2e2;color:#991b1b;padding:13px 15px;border-radius:14px;font-weight:800}.dashboard{padding:65px 0;background:#f8fafc}.dashboard h1{font-size:44px;letter-spacing:-.05em;margin-bottom:6px}.stat span{color:#64748b;font-weight:850}.stat strong{display:block;font-size:34px;margin-top:8px;letter-spacing:-.05em}.certificate{display:flex;justify-content:space-between;align-items:center}.qr{width:94px;height:94px;border:2px dashed #2563eb;border-radius:18px;display:flex;align-items:center;justify-content:center;font-weight:950;color:#2563eb;background:#eff6ff}.footer{background:#020617;color:white;padding:56px 0 20px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}.footer h3{letter-spacing:-.03em}.footer a{display:block;color:#cbd5e1;margin:9px 0}.footer p{color:#cbd5e1;line-height:1.7}.footer-bottom{text-align:center;color:#94a3b8;margin-top:34px;border-top:1px solid rgba(255,255,255,.08);padding-top:18px}.featured{border-color:#93c5fd;box-shadow:0 25px 70px rgba(37,99,235,.16)}.price-card strong{display:block;font-size:34px;letter-spacing:-.05em;margin:12px 0;color:#0f172a}.price-card ul{padding-left:20px;line-height:2;color:#475569}.form-card{display:grid;gap:14px;max-width:720px}.form-card textarea{min-height:150px}.admin-chart{background:#f8fafc}.admin-chart div{background:linear-gradient(180deg,#2563eb,#0ea5e9)}@media(max-width:900px){nav{display:none}.hero{padding:70px 0}.hero-grid,.detail-grid,.grid-2,.grid-3,.course-grid,.pricing-grid,.dash-grid,.footer-grid{grid-template-columns:1fr}.dashboard-preview{transform:none}.metrics{grid-template-columns:1fr}.filters{grid-template-columns:1fr}.hero p{font-size:18px}.module-list div{flex-direction:column}.section{padding:58px 0}}