:root{--primary:#6d5dfc;--primary2:#8b7cff;--ink:#0f172a;--muted:#64748b;--bg:#f7f8fc;--card:#fff;--line:#e8eaf1;--radius:20px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{text-decoration:none;color:inherit}.container-xl{max-width:1240px}.navbar-glass{background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.brand{font-weight:800;letter-spacing:-.03em}.brand-dot{display:inline-block;width:12px;height:12px;border-radius:50%;background:var(--primary);margin-right:8px}.hero{padding:90px 0 75px;background:radial-gradient(circle at 80% 20%,#e9e4ff 0,#f7f8fc 42%,#f7f8fc 100%)}.eyebrow{font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--primary)}.display-title{font-size:clamp(2.5rem,6vw,5.4rem);line-height:.98;font-weight:850;letter-spacing:-.065em}.lead-soft{color:var(--muted);font-size:1.08rem;line-height:1.8}.btn-main{background:var(--primary);color:#fff;border:0;border-radius:12px;padding:12px 18px;font-weight:750}.btn-main:hover{background:#5948ef;color:#fff}.btn-ghost{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 18px;font-weight:700}.surface{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 55px rgba(15,23,42,.06)}.feature-card{height:100%;padding:26px;transition:.25s}.feature-card:hover{transform:translateY(-4px);box-shadow:0 24px 70px rgba(15,23,42,.1)}.icon-box{width:46px;height:46px;border-radius:14px;background:#f0edff;color:var(--primary);display:grid;place-items:center;font-weight:900}.section{padding:80px 0}.muted{color:var(--muted)}.admin-shell{min-height:100vh}.sidebar{width:260px;background:#0b1020;color:#dbe3f1;position:fixed;left:0;top:0;bottom:0;padding:22px 14px;z-index:70;overflow:auto}.sidebar .side-brand{padding:10px 12px 22px;font-weight:850;color:#fff}.side-link{display:flex;gap:11px;align-items:center;padding:11px 12px;border-radius:12px;color:#aab6ca;margin:3px 0;font-size:.92rem}.side-link:hover,.side-link.active{background:#171e33;color:#fff}.side-title{font-size:.68rem;text-transform:uppercase;letter-spacing:.13em;color:#66738b;padding:18px 12px 6px}.admin-main{margin-left:260px}.topbar{height:72px;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:40}.content{padding:30px}.stat-card{padding:22px}.stat-value{font-size:2rem;font-weight:850;letter-spacing:-.04em}.table-wrap{overflow:auto}.table-modern{min-width:720px}.table-modern th{font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:#778299;border-bottom:1px solid var(--line);padding:13px}.table-modern td{padding:15px 13px;border-bottom:1px solid #f0f1f5}.form-control,.form-select{border:1px solid #dfe3eb;border-radius:12px;padding:.72rem .85rem}.form-control:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(109,93,252,.1)}.mobile-menu{display:none}.course-card img{height:190px;object-fit:cover}.course-card{overflow:hidden}.pill{display:inline-flex;padding:5px 9px;border-radius:999px;background:#f0edff;color:#5d4ce7;font-size:.75rem;font-weight:750}.footer{background:#0b1020;color:#aab6ca;padding:55px 0}.footer a{color:#dbe3f1}.mobile-nav{display:none}@media(max-width:991px){.sidebar{transform:translateX(-100%);transition:.25s}.sidebar.open{transform:translateX(0)}.admin-main{margin-left:0}.mobile-menu{display:block}.content{padding:20px}.hero{padding:65px 0}.mobile-nav{display:flex}}@media(max-width:575px){.content{padding:15px}.display-title{font-size:2.65rem}.section{padding:55px 0}.topbar{padding:0 15px}}