@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@500;600;700&display=swap');
:root{--ink:#0b1220;--muted:#64748b;--paper:#f4f7fb;--card:#fff;--line:#e2e8f0;--navy:#0b172a;--blue:#2563eb;--cyan:#06b6d4;--lime:#a3e635;--gold:#f59e0b;--red:#ef4444;--radius:22px;--shadow:0 20px 60px rgba(15,23,42,.08);--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;line-height:1.55}h1,h2,h3,h4{font-family:'Space Grotesk',sans-serif;letter-spacing:-.03em}a{text-decoration:none;color:inherit}button,input,textarea,select{font:inherit}.container{width:min(var(--max),calc(100% - 36px));margin:auto}.site-header{position:sticky;top:0;z-index:100;background:rgba(11,23,42,.94);backdrop-filter:blur(18px);border:0;color:#fff}.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:21px}.logo-mark{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#fff;font-weight:800;box-shadow:0 8px 25px rgba(37,99,235,.35)}.nav-links{display:flex;gap:26px;align-items:center;color:#cbd5e1;font-weight:600;font-size:14px}.nav-links a:hover{color:#fff}.nav-actions{display:flex;gap:9px}.btn{border:0;border-radius:13px;padding:11px 17px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:.2s}.btn-primary{background:var(--blue);color:#fff;box-shadow:0 10px 25px rgba(37,99,235,.25)}.btn-primary:hover{transform:translateY(-2px);background:#1d4ed8}.btn-light{background:#fff;color:var(--ink);border:1px solid var(--line)}.btn-soft{background:#eaf2ff;color:#1d4ed8}.btn-block{width:100%}.menu{display:none;background:none;border:0;color:#fff;font-size:25px}.hero{background:var(--navy);color:#fff;padding:90px 0 82px;position:relative;overflow:hidden}.hero:after{content:'';position:absolute;width:520px;height:520px;border-radius:50%;right:-180px;top:-230px;background:radial-gradient(circle,rgba(6,182,212,.28),transparent 68%)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:70px;align-items:center;position:relative;z-index:1}.eyebrow{display:inline-flex;padding:7px 12px;border:1px solid rgba(255,255,255,.14);border-radius:999px;color:#a5f3fc;background:rgba(6,182,212,.08);font-size:12px;font-weight:800}.hero h1{font-size:clamp(45px,6vw,78px);line-height:.98;margin:18px 0}.hero h1 span{color:var(--lime)}.hero p{color:#aebdce;font-size:18px;max-width:620px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.hero-card{background:#101f36;border:1px solid rgba(255,255,255,.09);border-radius:28px;padding:14px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.math-board{min-height:390px;border-radius:20px;background:linear-gradient(145deg,#172942,#0a1322);padding:34px;display:flex;flex-direction:column;justify-content:flex-end;position:relative;overflow:hidden}.math-board:before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:28px 28px}.formula,.formula-small{position:relative}.formula{font-size:48px;font-weight:700}.formula-small{color:#9fb1c7;margin-top:8px}.float-stat{position:absolute;right:25px;top:25px;background:#fff;color:var(--ink);padding:13px 16px;border-radius:15px;box-shadow:var(--shadow)}.float-stat b{display:block;font-size:18px}.float-stat span{font-size:11px;color:var(--muted)}.section{padding:86px 0}.section-soft{background:#eaf0f7}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:32px}.section-head h2{font-size:38px;margin:0}.section-head p{color:var(--muted);max-width:540px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 4px 20px rgba(15,23,42,.03)}.course-card{overflow:hidden;padding:0;transition:.2s}.course-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}.course-top{min-height:150px;padding:24px;background:linear-gradient(135deg,#dbeafe,#ecfeff);display:flex;align-items:flex-end}.class-badge{background:var(--navy);color:#fff;padding:7px 10px;border-radius:9px;font-size:11px;font-weight:800}.course-card .body{padding:23px}.course-card h3{margin:4px 0 8px;font-size:20px}.course-card p{font-size:14px;color:var(--muted)}.course-meta{display:flex;gap:10px;margin:15px 0;color:#64748b;font-size:12px}.price{font-size:25px;font-weight:800}.old{font-size:12px;color:#94a3b8;text-decoration:line-through;margin-left:6px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feature-icon{width:48px;height:48px;border-radius:15px;background:#e0f2fe;color:#0369a1;display:grid;place-items:center;font-weight:800;margin-bottom:15px}.feature p,.teacher p,.quote{color:var(--muted)}.teacher{display:grid;grid-template-columns:.8fr 1.2fr;gap:55px;align-items:center}.teacher-photo{min-height:360px;border-radius:30px;background:linear-gradient(135deg,#0b172a,#164e63);display:grid;place-items:center;font-size:95px}.teacher h2{font-size:42px}.checks{display:grid;gap:10px}.check{display:flex;gap:10px;align-items:center;font-weight:700}.check i{width:22px;height:22px;border-radius:50%;background:#ecfccb;color:#365314;display:grid;place-items:center;font-style:normal}.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.person{font-weight:800}.role{font-size:12px;color:var(--muted)}.faq{display:grid;gap:10px;max-width:850px;margin:auto}.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px}.faq summary{font-weight:800;cursor:pointer}.faq p{color:var(--muted)}.cta{background:linear-gradient(135deg,#1d4ed8,#0891b2);color:#fff;border-radius:28px;padding:48px;display:flex;justify-content:space-between;align-items:center;gap:25px}.footer{background:#070e19;color:#fff;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:35px}.footer p,.footer a{color:#94a3b8;font-size:14px}.footer-links{display:grid;gap:8px}.copyright{border-top:1px solid #1e293b;margin-top:35px;padding-top:18px;color:#64748b;font-size:12px}.page-hero{background:var(--navy);color:#fff;padding:58px 0}.page-hero h1{font-size:48px;margin:0}.page-hero p{color:#aebdce}.auth-wrap{min-height:calc(100vh - 78px);display:grid;place-items:center;padding:50px 0;background:radial-gradient(circle at top left,#dbeafe,transparent 40%),var(--paper)}.auth-card{width:min(480px,100%);background:#fff;border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow)}.auth-card h1{font-size:32px}.auth-card>p{color:var(--muted)}.field{display:grid;gap:7px;margin-bottom:16px}.field label{font-size:13px;font-weight:800}.field input,.field textarea,.field select{border:1px solid #d8e0ea;border-radius:13px;padding:13px;background:#f8fafc;outline:0}.field input:focus,.field textarea:focus,.field select:focus{background:#fff;border-color:var(--blue);box-shadow:0 0 0 4px rgba(37,99,235,.1)}.dashboard{background:var(--paper);min-height:100vh}.dash-layout{display:grid;grid-template-columns:250px 1fr;min-height:calc(100vh - 78px)}.sidebar{background:#091423;color:#fff;padding:25px 16px}.side-links{display:grid;gap:6px;margin-top:28px}.side-links a{padding:12px 13px;border-radius:12px;color:#9fb1c7;font-size:14px;font-weight:700}.side-links a.active,.side-links a:hover{background:#162a45;color:#fff}.dash-main{padding:38px;max-width:1450px;width:100%}.dash-top{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.dash-top h1{font-size:38px;margin:4px 0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:0 4px 18px rgba(15,23,42,.03)}.stat-card span{font-size:12px;color:var(--muted)}.stat-card b{display:block;font-size:32px;margin-top:6px}.dash-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:18px}.progress{height:7px;background:#e8eef5;border-radius:20px;overflow:hidden;margin:11px 0}.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:20px}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:13px;border-bottom:1px solid var(--line);font-size:13px;text-align:left}.table th{color:var(--muted);font-size:11px;text-transform:uppercase}.course-learning{display:grid;grid-template-columns:290px 1fr;gap:20px}.lesson-list{background:#fff;border:1px solid var(--line);border-radius:20px;padding:12px}.lesson{padding:12px;border-radius:11px;font-size:13px;font-weight:700;color:#64748b}.lesson.active{background:#eaf2ff;color:#1d4ed8}.video{background:#091423;border-radius:20px;aspect-ratio:16/9;display:grid;place-items:center;color:#fff}.learning-content h1{font-size:30px}.learning-content p{color:var(--muted)}.empty{text-align:center;padding:50px;color:var(--muted)}.alert{padding:13px 15px;border-radius:13px;background:#fffbeb;color:#92400e;border:1px solid #fde68a;margin-bottom:18px;font-size:13px}
@media(max-width:1000px){.cards{grid-template-columns:repeat(2,1fr)}.hero-grid,.teacher,.dash-grid{grid-template-columns:1fr}.feature-grid,.testimonials{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.nav-links{display:none}.menu{display:block}.dash-layout{grid-template-columns:1fr}.sidebar{display:none}.dash-main{padding:24px}.stats{grid-template-columns:repeat(2,1fr)}}@media(max-width:650px){.container{width:min(var(--max),calc(100% - 24px))}.hero{padding:65px 0}.hero h1{font-size:45px}.section{padding:60px 0}.cards,.feature-grid,.testimonials{grid-template-columns:1fr}.section-head{display:block}.section-head h2{font-size:30px;margin-bottom:8px}.teacher h2{font-size:32px}.cta{padding:30px;display:block}.footer-grid{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.dash-top{display:block}.dash-top .btn{margin-top:15px}.course-learning{grid-template-columns:1fr}}

.discount{display:inline-flex;margin-left:8px;padding:4px 7px;border-radius:999px;background:#dcfce7;color:#166534;font-size:11px;font-weight:800}

.privacy-consent{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px;font-size:12px;line-height:1.55;color:#667085}.privacy-consent input{margin-top:3px;accent-color:#2563eb}.privacy-consent a{color:#2563eb;font-weight:800;text-decoration:underline}.legal-page{background:#f8fafc;min-height:100vh}.legal-wrap{max-width:920px;margin:0 auto;padding:54px 20px}.legal-card{background:#fff;border:1px solid #e5e7eb;border-radius:22px;padding:42px;box-shadow:0 10px 35px rgba(15,23,42,.05)}.legal-card h1{font-size:42px;letter-spacing:-1px;margin-bottom:8px}.legal-card .updated{color:#667085;font-size:13px;margin-bottom:30px}.legal-card h2{font-size:22px;margin:30px 0 10px}.legal-card p,.legal-card li{color:#475467;font-size:15px;line-height:1.8}.legal-card ul{padding-left:22px}.legal-nav{background:#fff;border-bottom:1px solid #e5e7eb}.legal-nav .nav{height:72px}@media(max-width:620px){.legal-card{padding:26px 20px}.legal-card h1{font-size:32px}}



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