:root{
    --blue-950:#061633;
    --blue-900:#071a3d;
    --blue-800:#0b2757;
    --blue-700:#123a7a;
    --blue-500:#1f66d1;
    --gold:#f5b73b;
    --gold-2:#ffd77a;
    --white:#ffffff;
    --muted:#64748b;
    --light:#f4f7fb;
    --green:#16a34a;
    --red:#ef4444;
    --violet:#7c3aed;
    --orange:#f97316;
    --shadow:0 24px 80px rgba(7,26,61,.16);
    --radius:28px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:#152033;background:#fff;overflow-x:hidden}
a{text-decoration:none}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:linear-gradient(90deg,rgba(6,22,51,.95),rgba(7,26,61,.88));backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.12)}
.navbar{min-height:82px}
.navbar-brand{color:#fff!important;line-height:1}
.navbar-brand small{display:block;font-size:.62rem;letter-spacing:.08em;color:rgba(255,255,255,.72);margin-top:4px}
.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--gold),#fff,var(--blue-500));font-weight:900;color:var(--blue-900);box-shadow:0 10px 30px rgba(245,183,59,.35)}
.navbar .nav-link{color:rgba(255,255,255,.88)!important;font-weight:700;font-size:.93rem;border-radius:999px;padding:.65rem .85rem!important}
.navbar .nav-link:hover,.navbar .nav-link.active{background:rgba(255,255,255,.12);color:#fff!important}
.premium-dropdown{border:0;border-radius:20px;box-shadow:var(--shadow);padding:14px;background:#fff}
.premium-dropdown .dropdown-item{border-radius:12px;font-weight:700;padding:10px 14px}
.btn{border-radius:999px;font-weight:800;padding:.78rem 1.18rem;border:0}
.btn-sm{padding:.55rem .9rem;font-size:.85rem}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#061633!important;box-shadow:0 12px 30px rgba(245,183,59,.28)}
.btn-primary-soft{background:#e9f1ff;color:var(--blue-800)!important}
.btn-outline-primary{border:1px solid rgba(31,102,209,.28);color:var(--blue-700)!important;background:#fff}
.btn-outline-light{border:1px solid rgba(255,255,255,.34)!important;background:rgba(255,255,255,.05);color:#fff!important}
.full-bleed{width:100vw;margin-left:calc(50% - 50vw)}
.hero-slider{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden;background:var(--blue-950)}
.hero-bg,.hero-slide{position:absolute;inset:0}
.hero-slide{background-size:cover;background-position:center;opacity:0;transform:scale(1.05);transition:opacity 1.7s ease,transform 7.5s ease}
.hero-slide.active{opacity:1;transform:scale(1)}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,22,51,.72),rgba(6,22,51,.28),rgba(6,22,51,.12));}
.hero-content{position:relative;z-index:2;padding-top:90px}
.hero-copy{max-width:760px;color:#fff;padding:44px;border-left:4px solid var(--gold);background:linear-gradient(90deg,rgba(6,22,51,.56),rgba(6,22,51,.10));backdrop-filter:blur(4px);border-radius:0 28px 28px 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;text-transform:uppercase;letter-spacing:.16em;font-weight:900;font-size:.78rem;color:var(--gold);margin-bottom:14px}
.eyebrow:before{content:"";width:34px;height:2px;background:currentColor;border-radius:20px}
.eyebrow.dark{color:var(--blue-700)}
.hero-copy h1{font-size:clamp(2.6rem,6vw,6.5rem);line-height:.94;margin:0 0 18px;font-weight:950;letter-spacing:-.06em}
.hero-copy p{font-size:clamp(1rem,1.5vw,1.25rem);max-width:650px;color:rgba(255,255,255,.86)}
.hero-dots{position:absolute;z-index:3;right:34px;bottom:34px;display:flex;gap:9px}
.hero-dots button{width:12px;height:12px;border-radius:999px;border:1px solid rgba(255,255,255,.7);background:transparent}
.hero-dots button.active{width:34px;background:var(--gold);border-color:var(--gold)}
.section-pad{padding:100px 0}
.section-title{text-align:center;max-width:820px;margin:0 auto 54px}
.section-title h2{font-size:clamp(2rem,4vw,4.2rem);font-weight:950;line-height:1;letter-spacing:-.05em;color:var(--blue-950)}
.section-title p{font-size:1.08rem;color:var(--muted)}
.premium-card{background:#fff;border:1px solid rgba(15,23,42,.08);border-radius:var(--radius);box-shadow:0 16px 50px rgba(7,26,61,.08);overflow:hidden;transition:.35s ease}
.premium-card:hover{transform:translateY(-8px);box-shadow:var(--shadow)}
.card-image{height:250px;background-size:cover;background-position:center;position:relative}
.badge-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:var(--blue-950);border-radius:999px;padding:10px 14px;position:absolute;top:16px;left:16px}
.mini-badge{display:inline-flex;gap:7px;align-items:center;border-radius:999px;background:#f2f6ff;color:var(--blue-700);padding:7px 10px;font-size:.78rem;font-weight:800}
.course-card h3,.teacher-card h3{font-size:1.35rem;font-weight:900;color:var(--blue-950);line-height:1.15}
.course-card p,.teacher-card p{color:var(--muted)}
.course-meta,.teacher-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:space-between;color:var(--muted);font-weight:800}
.course-meta strong{color:var(--blue-900);font-size:1.12rem}
.teacher-photo{height:300px;background-size:cover;background-position:center}
.text-gold{color:#b77909!important}
.stat-card{padding:30px;border-radius:26px;background:#fff;box-shadow:0 14px 50px rgba(7,26,61,.08);display:flex;flex-direction:column;gap:8px;min-height:160px}
.stat-card i{font-size:1.8rem;color:var(--gold)}
.stat-card strong{font-size:2.4rem;line-height:1;color:var(--blue-950)}
.stat-card span{font-weight:800;color:var(--muted)}
.bg-soft{background:linear-gradient(180deg,#f7faff,#fff)}
.bg-blue{background:linear-gradient(135deg,var(--blue-950),var(--blue-800));color:#fff}
.bg-blue h2,.bg-blue h3{color:#fff}
.service-icon{width:62px;height:62px;border-radius:22px;display:grid;place-items:center;font-size:1.6rem;background:linear-gradient(135deg,#e9f1ff,#fff);color:var(--blue-700);margin-bottom:20px}
.feature-row{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-box{padding:28px;border-radius:28px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(10px)}
.feature-box i{font-size:2rem;color:var(--gold);margin-bottom:18px}
.filter-box{background:#fff;border-radius:28px;padding:24px;box-shadow:var(--shadow);position:sticky;top:110px}
.form-control,.form-select{border-radius:16px;border:1px solid rgba(15,23,42,.12);padding:13px 15px;font-weight:700}
.form-control:focus,.form-select:focus{border-color:var(--blue-500);box-shadow:0 0 0 .2rem rgba(31,102,209,.13)}
.dashboard-shell{min-height:100vh;background:#f4f7fb;padding-top:100px}
.dashboard-card{border:0;border-radius:26px;box-shadow:0 14px 40px rgba(7,26,61,.08)}
.progress{height:12px;border-radius:999px}
.progress-bar{background:linear-gradient(90deg,var(--blue-500),var(--gold))}
.timeline-item{padding:20px;border-left:3px solid var(--gold);background:#fff;border-radius:0 18px 18px 0;margin-bottom:16px;box-shadow:0 10px 30px rgba(7,26,61,.06)}
.whatsapp-float{position:fixed;right:22px;bottom:22px;z-index:999;width:62px;height:62px;border-radius:50%;display:grid;place-items:center;background:#18b957;color:#fff;font-size:2rem;box-shadow:0 18px 40px rgba(24,185,87,.36)}
.site-footer{background:var(--blue-950);color:rgba(255,255,255,.74)}
.site-footer h6{color:#fff;font-weight:900;margin-bottom:16px}
.site-footer a{display:block;color:rgba(255,255,255,.72);margin-bottom:10px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:1.4rem}
.socials{display:flex;gap:10px}
.socials a{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.1);color:#fff;margin:0}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.auth-card{max-width:560px;margin:auto;border:0;border-radius:32px;box-shadow:var(--shadow);overflow:hidden}
.page-banner{padding-top:140px;padding-bottom:70px;background:linear-gradient(135deg,var(--blue-950),var(--blue-700));color:#fff}
.page-banner h1{font-size:clamp(2rem,4vw,4.5rem);font-weight:950;letter-spacing:-.05em}
@media(max-width:1199px){
    .navbar-collapse{background:rgba(6,22,51,.98);border-radius:24px;padding:18px;margin-top:14px}
}
@media(max-width:991px){
    .feature-row{grid-template-columns:repeat(2,1fr)}
    .hero-copy{padding:28px;border-radius:24px;border-left:0;border-top:4px solid var(--gold)}
}
@media(max-width:575px){
    .hero-slider{min-height:92vh}
    .hero-copy h1{font-size:2.55rem}
    .hero-copy{padding:22px}
    .section-pad{padding:70px 0}
    .feature-row{grid-template-columns:1fr}
    .footer-bottom{display:block}
    .whatsapp-float{width:54px;height:54px;font-size:1.6rem}
}