:root{
  --primary:#0a2f44; /* deep steel blue */
  --accent:#c62f2f;  /* academy red */
  --secondary:#0ea5e9;
  --bg:#f5f7fb;
  --text:#1f2937;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--text);background:var(--bg)}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 16px}
.btn{display:inline-block;padding:12px 18px;border-radius:999px;border:none;background:var(--accent);color:#fff;font-weight:600;transition:transform .1s ease, opacity .2s}
.btn:hover{opacity:.95;transform:translateY(-1px)}
.btn-outline{background:#fff;color:var(--accent);border:2px solid var(--accent)}
/* Header */
.topbar{background:var(--primary);color:#fff}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;padding:8px 0;font-size:14px}
.navbar{background:#fff;box-shadow:0 4px 20px rgba(0,0,0,.06);position:sticky;top:0;z-index:20}
.navbar .wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:56px;width:auto}
.brand .title{font-weight:800;color:var(--primary);line-height:1}
.brand .subtitle{font-size:12px;color:#64748b;margin-top:2px}
.nav-links{display:flex;gap:22px;align-items:center}
.nav-links a{padding:8px 10px;border-radius:8px}
.nav-links a.active, .nav-links a:hover{background:rgba(14,165,233,.12);color:var(--primary);}
.menu-toggle{display:none;font-size:28px;cursor:pointer}
/* Hero */
.hero{background:linear-gradient(135deg, rgba(14,165,233,.08), rgba(198,47,47,.08));padding:60px 0 40px}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:28px}
.card{background:#fff;border-radius:20px;box-shadow:0 10px 30px rgba(0,0,0,.06);padding:24px}
.badge{background:rgba(198,47,47,.09);color:var(--accent);border:1px solid rgba(198,47,47,.2);display:inline-block;padding:6px 10px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.3px}
h1{font-size:42px;margin:.3em 0 .2em}
h2{font-size:28px;margin:1.2em 0 .4em;color:var(--primary)}
h3{font-size:20px;margin:.8em 0 .25em;color:var(--primary)}
.lead{font-size:18px;color:#475569}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.feature{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:16px}
/* Sections */
.section{padding:60px 0}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.kpi{background:#fff;border-radius:16px;padding:18px;text-align:center;border:1px solid #e5e7eb}
.kpi strong{display:block;font-size:28px;color:var(--accent)}
/* Courses */
.courses{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.course{border:1px solid #e5e7eb;border-radius:16px;overflow:hidden;background:#fff}
.course .cover{height:140px;background:linear-gradient(135deg,var(--secondary),var(--accent));}
.course .body{padding:16px}
/* Gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.gallery img{width:100%;height:220px;object-fit:cover;border-radius:14px;border:1px solid #e5e7eb;background:#fff}
/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.input{width:100%;padding:12px 14px;border-radius:12px;border:1px solid #cbd5e1;background:#fff;font-size:16px}
textarea.input{min-height:140px;resize:vertical}
/* Footer */
footer{background:#0b2433;color:#cbd5e1;margin-top:60px}
footer .wrap{padding:28px 0;display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px}
footer .brand img{height:40px}
footer .foot{border-top:1px solid rgba(255,255,255,.1);padding:14px 0;color:#94a3b8;font-size:14px}
/* Responsive */
@media(max-width:1000px){
  .grid-2{grid-template-columns:1fr}
  .features{grid-template-columns:1fr 1fr}
  .courses{grid-template-columns:1fr 1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .gallery{grid-template-columns:1fr 1fr}
  footer .wrap{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .nav-links{display:none;position:absolute;top:64px;right:16px;left:16px;background:#fff;padding:12px;border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.15)}
  .menu-toggle{display:block}
  .features,.courses,.kpis,.gallery{grid-template-columns:1fr}
  footer .wrap{grid-template-columns:1fr}
}