:root{
  --k4d-blue:#2e3192;
  --k4d-green:#84cb47;
  --k4d-text:#1f2937;
  --k4d-muted:#6b7280;
  --k4d-bg:#ffffff;
  --k4d-card:#f8fafc;
  --k4d-border:#e5e7eb;
  --k4d-radius:14px;
  --k4d-shadow:0 10px 30px rgba(0,0,0,.08);
  --k4d-max:1200px;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Inter,Arial,sans-serif;color:var(--k4d-text);background:var(--k4d-bg);line-height:1.6}
a{color:var(--k4d-blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
.k4d-container{max-width:var(--k4d-max);margin:0 auto;padding:0 18px}
.k4d-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--k4d-border)}
.k4d-header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 0}
.k4d-brand{display:flex;align-items:center;gap:10px}
.k4d-brand img{width:54px;height:54px;border-radius:10px;object-fit:contain;background:#fff}
.k4d-site-title{font-weight:800;letter-spacing:.2px;color:var(--k4d-blue);font-size:18px;line-height:1.1}
.k4d-site-tagline{font-size:12px;color:var(--k4d-muted);margin-top:2px}
.k4d-nav{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.k4d-nav a{color:#111827;font-weight:600;font-size:14px;padding:10px 10px;border-radius:10px}
.k4d-nav a:hover{background:#f3f4f6;text-decoration:none}
.k4d-cta{display:flex;align-items:center;gap:10px}
.k4d-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;padding:12px 18px;font-weight:800;border:1px solid transparent;cursor:pointer;transition:.15s transform ease,.15s opacity ease}
.k4d-btn:hover{transform:translateY(-1px);opacity:.95;text-decoration:none}
.k4d-btn-primary{background:var(--k4d-blue);color:#fff}
.k4d-btn-secondary{background:var(--k4d-green);color:#0b2a13}
.k4d-btn-ghost{background:#fff;border-color:var(--k4d-border);color:#111827}
.k4d-hero{position:relative;min-height:460px;display:flex;align-items:center;overflow:hidden}
.k4d-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg, rgba(22,26,75,.72) 0%, rgba(22,26,75,.55) 45%, rgba(22,26,75,.10) 70%, rgba(22,26,75,0) 100%);
  z-index:1;
}
.k4d-hero-bg{position:absolute;inset:0;z-index:0;background:#111}
.k4d-hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.k4d-hero-content{position:relative;z-index:2;color:#fff;max-width:640px;padding:70px 0}
.k4d-hero h1{margin:0 0 10px;font-size:42px;line-height:1.1;letter-spacing:-.6px}
.k4d-hero p{margin:0 0 18px;color:rgba(255,255,255,.88);font-size:16px}
.k4d-hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.k4d-section{padding:54px 0}
.k4d-section-title{font-size:26px;margin:0 0 18px;color:var(--k4d-blue);letter-spacing:-.2px}
.k4d-grid{display:grid;gap:18px}
.k4d-grid-4{grid-template-columns:repeat(4,1fr)}
.k4d-grid-3{grid-template-columns:repeat(3,1fr)}
.k4d-grid-2{grid-template-columns:repeat(2,1fr)}
.k4d-card{background:#fff;border:1px solid var(--k4d-border);border-radius:var(--k4d-radius);box-shadow:var(--k4d-shadow);padding:18px}
.k4d-card h3{margin:10px 0 6px;font-size:18px}
.k4d-card p{margin:0;color:var(--k4d-muted);font-size:14px}
.k4d-icon{width:46px;height:46px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-weight:900;color:#fff}
.k4d-icon.green{background:var(--k4d-green);color:#0b2a13}
.k4d-icon.blue{background:var(--k4d-blue)}
.k4d-icon.orange{background:#d97706}
.k4d-icon.teal{background:#0f766e}
.k4d-split{display:grid;gap:18px;grid-template-columns:1.1fr .9fr;align-items:start}
.k4d-bullets{margin:14px 0 0;padding-left:18px;color:var(--k4d-muted)}
.k4d-media{border-radius:var(--k4d-radius);overflow:hidden;border:1px solid var(--k4d-border);box-shadow:var(--k4d-shadow)}
.k4d-media img{width:100%;height:100%;object-fit:cover}
.k4d-program-tile{padding:0;overflow:hidden}
.k4d-program-tile .thumb{height:180px;background:#111}
.k4d-program-tile .thumb img{width:100%;height:100%;object-fit:cover}
.k4d-program-tile .body{padding:16px}
.k4d-program-tile .body h3{margin:0 0 6px}
.k4d-program-tile .body a.k4d-btn{margin-top:12px}
.k4d-cta-banner{border-radius:20px;background:linear-gradient(120deg, rgba(46,49,146,.95), rgba(46,49,146,.75));color:#fff;padding:26px;border:1px solid rgba(255,255,255,.12);box-shadow:var(--k4d-shadow);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.k4d-cta-banner h3{margin:0;font-size:20px}
.k4d-footer{border-top:1px solid var(--k4d-border);padding:40px 0;background:#fff}
.k4d-footer-grid{display:grid;gap:18px;grid-template-columns:1.2fr 1fr 1fr}
.k4d-footer h4{margin:0 0 10px;color:var(--k4d-blue)}
.k4d-small{color:var(--k4d-muted);font-size:14px}
.k4d-page{padding:40px 0}
.k4d-page h1{color:var(--k4d-blue);letter-spacing:-.3px}
.k4d-content{max-width:880px}
@media (max-width: 980px){
  .k4d-grid-4{grid-template-columns:repeat(2,1fr)}
  .k4d-grid-3{grid-template-columns:repeat(2,1fr)}
  .k4d-split{grid-template-columns:1fr}
  .k4d-hero h1{font-size:34px}
  .k4d-footer-grid{grid-template-columns:1fr}
}
@media (max-width: 560px){
  .k4d-grid-4,.k4d-grid-3{grid-template-columns:1fr}
  .k4d-nav{display:none}
  .k4d-hero{min-height:520px}
}