@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@500;700&display=swap');
:root{--bg:#0a0f1f;--txt:#e6f7ff;--neon1:#00e5ff;--neon2:#ff00d4;--neon3:#ffe600;--card:#111831;--muted:#9fb3c8}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg,#070b15,#0a0f1f);color:var(--txt);font-family:'Rajdhani',system-ui;line-height:1.5}
.school-rain{position:fixed;left:0;top:0;width:100%;height:100%;pointer-events:none;z-index:999}
.rain-item{position:absolute;top:-60px;width:32px;height:32px;background-repeat:no-repeat;background-size:contain;opacity:.75;filter:drop-shadow(0 2px 6px rgba(0,0,0,.35));animation-name:fall;animation-iteration-count:infinite;animation-timing-function:linear}
.rain-item svg{width:100%;height:100%}
@keyframes fall{0%{transform:translateY(-10vh) rotate(0deg)}100%{transform:translateY(110vh) rotate(360deg)}}
a{text-decoration:none;color:inherit}
.nav{position:sticky;top:0;background:rgba(10,15,31,.7);backdrop-filter:blur(8px);z-index:1000;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-inner{max-width:1200px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.8px}
.brand img{width:36px;height:36px}
.links a{display:inline-flex;align-items:center;gap:8px;margin-left:16px;padding:8px 0;border:none;position:relative}
.links .icon{display:inline-flex;width:18px;height:18px}
.links .icon svg{width:18px;height:18px;fill:#e6f7ff}
.links a::after{content:'';position:absolute;left:0;bottom:-2px;width:0;height:2px;background:linear-gradient(90deg,var(--neon1),var(--neon2));transition:width .2s}
.links a:hover::after{width:100%}
.nav-social{display:flex;align-items:center;gap:8px;margin-left:12px}
.nav-social a{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid rgba(255,255,255,.15);border-radius:999px;transition:background .2s,border-color .2s}
.nav-social a:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25)}
.nav-social svg{width:18px;height:18px;fill:#e6f7ff}
.hero{display:grid;place-items:center;min-height:46vh;background-image:radial-gradient(1000px 300px at 10% 10%,rgba(0,229,255,.12),transparent),radial-gradient(800px 300px at 90% 20%,rgba(255,0,212,.12),transparent)}
.hero-content{text-align:center;max-width:760px;padding:64px 20px}
.glow{background:linear-gradient(90deg,var(--neon1),var(--neon2),var(--neon3));-webkit-background-clip:text;background-clip:text;color:transparent;filter:drop-shadow(0 0 8px rgba(0,229,255,.4))}
.btn-primary{display:inline-flex;align-items:center;justify-content:center;margin-top:0;height:40px;padding:0 16px;border-radius:12px;background:linear-gradient(90deg,#0ea5ff,#2563eb);color:#fff;border:none;box-shadow:0 2px 10px rgba(14,165,233,.22);transition:transform .2s, box-shadow .2s}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 18px rgba(37,99,235,.28)}
.btn-primary:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(14,165,233,.35)}
.btn{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 16px;border-radius:10px;background:linear-gradient(90deg,#0ea5ff,#2563eb);color:#fff;border:none;box-shadow:0 2px 10px rgba(14,165,233,.22);transition:transform .2s, box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 18px rgba(37,99,235,.28)}
.btn-secondary{background:linear-gradient(90deg,#64748b,#334155);box-shadow:0 2px 10px rgba(100,116,139,.22)}
.section{max-width:1200px;margin:0 auto;padding:32px 20px}
.cta-row{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.search-form{margin-top:14px;justify-content:center;align-items:center;display:flex;flex-wrap:wrap;gap:10px;background:#ffffff;border:1px solid #e5e7eb;border-radius:16px;padding:12px;box-shadow:0 6px 18px rgba(0,0,0,.08)}
.search-form input[type="search"]{flex:1;min-width:280px}
.search-form input[type="search"],.search-form select,.search-form input[type="number"]{height:40px;padding:8px 12px;border:1px solid #e5e7eb;border-radius:10px;background:#ffffff;color:#111827;transition:border-color .2s, box-shadow .2s}
.search-form input[type="search"]:focus,.search-form select:focus,.search-form input[type="number"]:focus{outline:none;border-color:#2563eb;box-shadow:0 0 0 3px rgba(37,99,235,.2)}
.search-form .btn,.search-form .btn-primary{height:40px;margin-top:0;border-radius:10px;padding:0 16px}
.search-form input[type="search"],.search-form select,.search-form input[type="number"]{max-width:220px}
.search-form .btn,.search-form .btn-primary{align-self:auto}
.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.controls button{background:linear-gradient(90deg,#0ea5ff,#2563eb);border:none;color:#fff;border-radius:10px;height:40px;padding:0 12px;margin-left:8px;box-shadow:0 2px 6px rgba(14,165,233,.25);transition:transform .2s, box-shadow .2s}
.controls button:hover{transform:translateY(-1px);box-shadow:0 4px 10px rgba(37,99,235,.28)}
.slider{position:relative;overflow:hidden;border-radius:16px;border:1px solid rgba(255,255,255,.1);box-shadow:0 0 24px rgba(0,229,255,.2);height:360px}
.slides{display:flex;transition:transform .6s cubic-bezier(.22,.61,.36,1);height:100%}
.slide{min-width:100%;max-width:100%;margin:0}
.slide-link{position:relative;display:block;height:100%}
.slide-caption{position:absolute;top:12px;left:12px;z-index:2}
.slide-img{display:block;width:100%;height:100%;border-radius:16px;object-fit:cover;box-shadow:0 8px 24px rgba(0,0,0,.25);border:1px solid rgba(255,255,255,.08)}
.card{background:linear-gradient(180deg,rgba(17,24,49,.92),rgba(17,24,49,.72));border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.08);box-shadow:0 8px 24px rgba(0,0,0,.25);transition:transform .2s ease, box-shadow .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(0,0,0,.28)}
.thumb{position:relative;height:220px;background-size:cover;background-position:center;transition:transform .3s ease}
.thumb::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 55%, rgba(10,15,31,.72))}
.card:hover .thumb{transform:scale(1.02)}
.thumb-overlay{position:absolute;left:0;right:0;bottom:0;padding:12px;display:flex;flex-direction:column;gap:6px;z-index:1}
.thumb-title{margin:0;font-size:18px;line-height:1.3;text-shadow:0 2px 8px rgba(0,0,0,.6)}
.thumb-desc{font-size:14px;line-height:1.35;opacity:.92;text-shadow:0 1px 6px rgba(0,0,0,.55)}
.thumb-actions{display:flex;gap:8px;flex-wrap:wrap}
.thumb-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border:0}
.thumb-link{display:block;height:100%}
.card-body{padding:12px}
.badge{display:inline-block;background:linear-gradient(90deg,rgba(0,229,255,.22),rgba(255,0,212,.18));border:1px solid rgba(255,255,255,.22);padding:5px 10px;border-radius:999px;margin-bottom:8px;font-weight:600}
.meta{display:flex;justify-content:space-between;align-items:center;margin-top:8px;font-weight:700}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;margin-top:12px;perspective:1000px}
.course{display:block}
.card.course{position:relative;background:linear-gradient(180deg,rgba(17,24,49,.94),rgba(17,24,49,.76));box-shadow:0 8px 28px rgba(0,0,0,.3)}
.card.course::before{content:"";position:absolute;inset:0;border-radius:16px;border:1px solid transparent;background:linear-gradient(#0000,#0000) padding-box, conic-gradient(from 180deg, #00e5ff, #ff00d4, #ffe600, #00e5ff) border-box}
.card.course:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(0,0,0,.34)}
.card.course .card-body{background:linear-gradient(180deg,rgba(0,229,255,.08),rgba(255,0,212,.06));}
.price-tag,.level-tag{display:inline-block;padding:6px 10px;border-radius:999px;font-weight:700}
.price-tag{background:linear-gradient(90deg,#22c55e,#16a34a);box-shadow:0 2px 10px rgba(34,197,94,.22)}
.level-tag{background:linear-gradient(90deg,#a855f7,#6366f1);box-shadow:0 2px 10px rgba(99,102,241,.22)}
.chip-group{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}
.chip{display:inline-block;padding:8px 12px;border-radius:999px;background:linear-gradient(90deg,#00e5ff,#ff00d4);color:#0a0f1f;font-weight:700;box-shadow:0 2px 10px rgba(0,229,255,.26)}
.chip:hover{transform:translateY(-2px);box-shadow:0 10px 18px rgba(255,0,212,.28)}
.footer{max-width:1200px;margin:40px auto 20px;padding:0 20px;color:var(--muted)}
.footer-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;padding:24px 0;border-top:1px solid rgba(255,255,255,.08)}
.footer-brand .brand span{font-weight:700;letter-spacing:.6px}
.footer-desc{font-size:14px;line-height:1.6;color:#cbd5e1;margin-top:8px}
.footer-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}
.footer-col h4{margin:0 0 8px;font-size:14px;color:#e6f7ff}
.footer-col a{display:block;padding:6px 0;color:#9fb3c8}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-top:1px solid rgba(255,255,255,.08)}
.nav-actions{display:flex;align-items:center;gap:8px}
.nav-actions .btn-primary{height:40px;padding:0 12px}
/* Contact form */
.contact .form-row{display:flex;flex-direction:column;gap:10px;max-width:640px;margin:0 auto}
.contact input,.contact textarea{width:100%;padding:10px 12px;border:1px solid rgba(255,255,255,.18);border-radius:10px;background:rgba(10,15,31,.5);color:#e6f7ff}
.contact input::placeholder,.contact textarea::placeholder{color:#9fb3c8}
.contact .btn-primary{align-self:flex-start}
.msg{margin:10px 0;padding:10px 12px;border-radius:10px;background:rgba(0,229,255,.08);border:1px solid rgba(255,255,255,.18)}
.msg.success{background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.35)}
.lesson-stage{display:grid;grid-template-columns:minmax(260px,320px) minmax(0,1fr);gap:18px;margin:16px 0}
.lesson-outline{padding:0;overflow:hidden}
.lesson-outline-head{padding:18px 16px 12px;border-bottom:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02))}
.lesson-outline-scroll{max-height:860px;overflow:auto;padding:10px}
.lesson-outline-module{padding:10px 6px 12px}
.lesson-outline-module + .lesson-outline-module{border-top:1px solid rgba(255,255,255,.06)}
.lesson-outline-module-title{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#9fb3c8;margin-bottom:4px}
.lesson-outline-module-name{font-size:15px;font-weight:700;margin-bottom:8px}
.lesson-outline-item{display:flex;gap:10px;align-items:flex-start;padding:10px 10px;border-radius:12px;margin-bottom:6px;border:1px solid transparent;background:rgba(255,255,255,.02)}
.lesson-outline-item:hover{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.08)}
.lesson-outline-item.active{background:linear-gradient(90deg,rgba(0,229,255,.12),rgba(255,0,212,.10));border-color:rgba(255,255,255,.16);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.lesson-outline-status{width:10px;height:10px;border-radius:999px;margin-top:6px;background:rgba(255,255,255,.25);flex:0 0 auto}
.lesson-outline-status.done{background:linear-gradient(90deg,#22c55e,#16a34a);box-shadow:0 0 0 3px rgba(34,197,94,.14)}
.lesson-outline-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.lesson-outline-label{font-weight:700;color:#e6f7ff}
.lesson-outline-meta{font-size:12px;color:#9fb3c8}
.lesson-viewer-shell{padding:0;overflow:hidden}
.lesson-viewer-head{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 18px 12px;border-bottom:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(0,229,255,.08),rgba(255,0,212,.04))}
.lesson-viewer-chips{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:flex-end}
.lesson-viewer-frame{display:block;width:100%;min-height:720px;border:0;background:linear-gradient(180deg,rgba(8,11,22,.95),rgba(17,24,49,.88))}
.lesson-viewer-empty{padding:28px 18px;text-align:center;color:#cbd5e1}
.lesson-embed-body{background:transparent;color:var(--txt);padding:18px}
.lesson-embed-shell{max-width:none}
.lesson-embed-head{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:14px;padding:14px 16px;border-radius:16px;background:linear-gradient(180deg,rgba(0,229,255,.08),rgba(255,0,212,.05));border:1px solid rgba(255,255,255,.08)}
.lesson-media-box{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:14px;background:#050912}
.lesson-media-frame{position:absolute;inset:0;width:100%;height:100%}
.lesson-doc-card{padding:0;overflow:hidden}
.lesson-doc-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px 16px;border-bottom:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.02))}
.lesson-doc-frame{display:block;width:100%;min-height:760px;border:0;background:#fff}
@media (max-width:768px){.slider{height:220px}.slide{min-width:100%;max-width:100%;margin:0}.thumb{height:160px}}
.progress{width:100%;max-width:460px;height:10px;background:rgba(255,255,255,.12);border-radius:999px;overflow:hidden;border:1px solid rgba(255,255,255,.18);margin-top:6px}
.progress-bar{height:100%;background:linear-gradient(90deg,var(--neon1),var(--neon2));transition:width .3s ease}
@media (max-width:992px){
  .nav-inner{flex-wrap:wrap}
  .links{width:100%;margin-top:8px;display:flex;gap:8px;flex-wrap:wrap}
  .links a{margin-left:0}
  .nav-actions{margin-top:8px}
  .nav-social{margin-top:8px}
  .lesson-stage{grid-template-columns:1fr}
  .lesson-viewer-head,.lesson-embed-head{flex-direction:column;align-items:flex-start}
  .lesson-viewer-chips,.lesson-doc-toolbar{justify-content:flex-start}
  .lesson-outline-scroll{max-height:none}
  .lesson-viewer-frame{min-height:560px}
  .lesson-doc-frame{min-height:560px}
}
.promo-banner{position:relative;min-height:340px;border-radius:16px;background-size:cover;background-position:center;box-shadow:0 8px 24px rgba(0,0,0,.25);overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.promo-banner::after{content:'';position:absolute;inset:0;background:radial-gradient(800px 300px at 20% 10%,rgba(0,229,255,.18),transparent),radial-gradient(700px 250px at 80% 20%,rgba(255,0,212,.16),transparent),linear-gradient(180deg,rgba(10,15,31,0) 40%, rgba(10,15,31,.9))}
.promo-overlay{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:24px}
.promo-overlay .promo-actions{margin-top:12px;display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
/* --- Catalog traditional overrides --- */
.card.course{background:linear-gradient(180deg,rgba(17,24,49,.94),rgba(17,24,49,.78));color:#e6f7ff;border:1px solid rgba(255,255,255,.08);box-shadow:0 20px 40px rgba(0,0,0,.18), inset 0 1px 0 rgba(255,255,255,.08), inset 0 -12px 24px rgba(0,0,0,.35);filter:drop-shadow(0 6px 14px rgba(255,255,255,.08));transform-style:preserve-3d;transition:transform .3s ease, box-shadow .3s ease, filter .3s ease;will-change:transform;backface-visibility:hidden;transform:translateZ(6px) rotateX(1.5deg) rotateY(-1.5deg)}
.card.course::before{display:block}
.card.course:hover{transform:translateY(-8px) translateZ(12px) rotateX(3deg) rotateY(-3deg);box-shadow:0 32px 60px rgba(0,0,0,.26);filter:drop-shadow(0 8px 18px rgba(255,255,255,.12))}
.card.course::after{content:'';position:absolute;left:14px;right:14px;bottom:-10px;height:18px;background:radial-gradient(ellipse at center,rgba(0,0,0,.28),rgba(0,0,0,0) 70%);filter:blur(10px);opacity:.85;transform:translateZ(-10px)}
.card.course .card-body{background:linear-gradient(180deg,rgba(0,229,255,.08),rgba(255,0,212,.06))}
.card.course .thumb{height:180px;transform:translateZ(8px)}
.card.course .thumb::after{display:block}
.card.course .card-body{transform:translateZ(6px)}
.card.course .badge{background:linear-gradient(90deg,rgba(0,229,255,.22),rgba(255,0,212,.18));border:1px solid rgba(255,255,255,.22);color:#e6f7ff}
.card.course .meta{margin-top:10px}
.card.course .price-tag{background:linear-gradient(90deg,#22c55e,#16a34a);box-shadow:0 2px 10px rgba(34,197,94,.22);color:#e6f7ff;border:none}
.card.course .level-tag{background:linear-gradient(90deg,#a855f7,#6366f1);box-shadow:0 2px 10px rgba(99,102,241,.22);color:#e6f7ff;border:none}
.card-title{margin:6px 0 4px;font-size:16px;line-height:1.35;color:#e6f7ff}
.card-desc{font-size:13px;line-height:1.6;color:#9fb3c8}
.card.course .card-body{padding:14px}
.card-actions{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.recent-tag{position:absolute;top:8px;left:8px;z-index:2;padding:6px 10px;border-radius:999px;font-weight:700;background:linear-gradient(90deg,#ff00d4,#00e5ff);color:#0a0f1f;box-shadow:0 2px 10px rgba(0,229,255,.26);border:1px solid rgba(255,255,255,.22)}
/* Landing Page Styles */
.section-title{font-size:2.2rem;margin-bottom:2rem;text-align:center}
.text-center{text-align:center}

/* Stats Section */
.stats-section{background:linear-gradient(135deg,rgba(0,229,255,.08),rgba(255,0,212,.05));padding:4rem 20px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem;max-width:1200px;margin:0 auto}
.stat-card{text-align:center;padding:2rem 1rem;background:linear-gradient(135deg,rgba(17,24,49,.95),rgba(17,24,49,.85));border:1px solid rgba(255,255,255,.12);border-radius:1.2rem;transition:transform .3s ease,box-shadow .3s ease}
.stat-card:hover{transform:translateY(-6px);box-shadow:0 12px 28px rgba(0,229,255,.22)}
.stat-number{font-size:3rem;font-weight:800;margin-bottom:.5rem}
.stat-label{font-size:1.1rem;color:#9fb3c8;font-weight:600}

/* Features Section */
.feature-card{padding:2rem;text-align:center}
.feature-icon{width:70px;height:70px;margin:0 auto 1.2rem;display:grid;place-items:center;border-radius:999px;background:linear-gradient(135deg,rgba(0,229,255,.18),rgba(255,0,212,.12));border:1px solid rgba(255,255,255,.15);color:var(--neon1)}
.feature-icon svg{width:36px;height:36px}
.feature-card h3{margin:.5rem 0 1rem}
.feature-card p{color:#9fb3c8;line-height:1.7}

/* Testimonials Section */
.testimonial-card{padding:2rem;text-align:center}
.testimonial-avatar{width:80px;height:80px;margin:0 auto 1.2rem;display:grid;place-items:center;border-radius:999px;background:linear-gradient(135deg,rgba(0,229,255,.18),rgba(255,0,212,.12));border:1px solid rgba(255,255,255,.15);color:var(--neon1)}
.testimonial-avatar svg{width:40px;height:40px}
.testimonial-text{font-size:1.05rem;line-height:1.8;color:#cbd5e1;font-style:italic;margin-bottom:1.2rem}
.testimonial-name{font-size:1.15rem;font-weight:700}

/* FAQ Section */
.faq-container{max-width:800px;margin:0 auto}
.faq-item{margin-bottom:1rem;overflow:hidden}
.faq-question{width:100%;text-align:left;padding:1.2rem 1.5rem;background:transparent;border:none;color:var(--txt);font-size:1.1rem;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-question:hover{color:var(--neon1)}
.faq-icon{font-size:1.5rem;transition:transform .3s ease}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 1.5rem}
.faq-item.open .faq-answer{max-height:500px;padding:0 1.5rem 1.5rem}
.faq-answer p{color:#9fb3c8;line-height:1.7;margin:0}

/* Responsive */
@media (max-width:768px){
    .section-title{font-size:1.8rem}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .stat-number{font-size:2.2rem}
}
.wa-float{position:fixed;right:18px;bottom:18px;width:56px;height:56px;border-radius:999px;display:flex;align-items:center;justify-content:center;background:linear-gradient(90deg,#22c55e,#16a34a);box-shadow:0 14px 30px rgba(34,197,94,.25),0 0 0 3px rgba(34,197,94,.12);border:1px solid rgba(255,255,255,.18);z-index:2000}
.wa-float svg{width:26px;height:26px;fill:#0a0f1f}
.wa-float:hover{transform:translateY(-2px)}