:root {
  --navy-top: #16296b;
  --navy-mid: #0a1330;
  --navy-deep: #060b1e;
  --panel: rgba(26, 42, 92, 0.35);
  --panel-border: rgba(120, 145, 230, 0.18);
  --text: #eef1fb;
  --muted: #aab3d6;
  --accent: #7d92ff;
  --accent-soft: rgba(125, 146, 255, 0.14);
  --serif: "Cormorant Garamond", "Playfair Display", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --maxw: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 50% -10%, #1c336f 0%, rgba(28, 51, 111, 0) 55%),
    linear-gradient(180deg, var(--navy-top) 0%, var(--navy-mid) 22%, var(--navy-deep) 60%, #04081a 100%);
  background-attachment: fixed;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, rgba(22, 41, 107, 0.85), rgba(22, 41, 107, 0));
  border-bottom: 1px solid rgba(120, 145, 230, 0.12);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--text); }
.brand img { width: 40px; height: 40px; }
.brand .brand-name { font-family: var(--serif); font-size: 20px; letter-spacing: 3px; text-transform: uppercase; font-weight: 600; }
.nav { display: flex; gap: 28px; }
.nav a { color: var(--muted); text-decoration: none; font-size: 14px; letter-spacing: .5px; transition: color .2s; }
.nav a:hover { color: var(--text); }

.btn {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .4px;
  text-decoration: none;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary {
  color: #06122e;
  background: linear-gradient(180deg, #b9c6ff, #7d92ff);
  box-shadow: 0 10px 30px rgba(125, 146, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(125, 146, 255, 0.5); }
.btn-ghost { color: var(--text); border: 1px solid var(--panel-border); background: var(--accent-soft); }
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--accent); }

/* Hero */
.hero { padding: 96px 0 80px; text-align: center; }
.eyebrow {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid var(--panel-border);
  border-radius: 999px;
  padding: 8px 18px;
  margin-bottom: 28px;
  background: var(--accent-soft);
}
.hero h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 1.02;
  margin: 0 auto 22px;
  max-width: 14ch;
}
.hero p.lead {
  color: var(--muted);
  font-size: clamp(17px, 2.2vw, 21px);
  max-width: 62ch;
  margin: 0 auto 40px;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 760px;
  margin: 72px auto 0;
}
.stat { text-align: center; }
.stat .n { font-family: var(--serif); font-size: 44px; font-weight: 600; color: var(--text); }
.stat .l { color: var(--muted); font-size: 14px; letter-spacing: .5px; }

/* Sections */
section { padding: 80px 0; }
.section-title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.05;
  margin: 0 0 20px;
}
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split p { color: var(--muted); font-size: 17px; }
.split p + p { margin-top: 18px; }
hr.rule { border: none; border-top: 1px solid rgba(120, 145, 230, 0.18); margin: 0; }

/* Courses */
.courses-head { text-align: center; margin-bottom: 56px; }
.courses-head p { color: var(--muted); max-width: 60ch; margin: 14px auto 0; }
.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  padding: 30px 28px;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); background: rgba(26, 42, 92, 0.5); }
.card .tag { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); }
.card h3 { font-family: var(--serif); font-weight: 600; font-size: 26px; margin: 12px 0 10px; }
.card p { color: var(--muted); font-size: 15px; margin: 0 0 18px; }
.card ul { list-style: none; padding: 0; margin: 0; }
.card li { color: var(--muted); font-size: 14px; padding-left: 22px; position: relative; margin-bottom: 8px; }
.card li::before { content: ""; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }

/* Feature list */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.feature h4 { font-size: 17px; margin: 0 0 8px; }
.feature p { color: var(--muted); font-size: 14px; margin: 0; }
.feature .icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent-soft); border: 1px solid var(--panel-border);
  margin-bottom: 16px; font-size: 22px;
}

/* CTA band */
.cta-band {
  text-align: center;
  background: linear-gradient(180deg, rgba(26, 42, 92, 0.55), rgba(10, 19, 48, 0.2));
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  padding: 64px 32px;
  margin: 0 24px;
}
.cta-band h2 { font-family: var(--serif); font-weight: 600; font-size: clamp(32px, 5vw, 52px); margin: 0 0 16px; }
.cta-band p { color: var(--muted); max-width: 52ch; margin: 0 auto 32px; font-size: 18px; }

/* Footer */
.site-footer { padding: 64px 0 48px; border-top: 1px solid rgba(120, 145, 230, 0.14); margin-top: 40px; }
.footer-legal { text-align: center; }
.footer-legal .company { font-weight: 700; letter-spacing: 2px; margin-bottom: 6px; }
.footer-legal .line { color: var(--muted); font-size: 14px; margin: 2px 0; }
.footer-links { text-align: center; margin: 22px 0; }
.footer-links a { color: var(--accent); text-decoration: none; font-size: 14px; margin: 0 8px; }
.footer-links a:hover { text-decoration: underline; }
.disclaimer { text-align: center; color: rgba(140, 150, 180, 0.7); font-size: 12.5px; max-width: 72ch; margin: 26px auto 0; line-height: 1.7; }

@media (max-width: 900px) {
  .nav { display: none; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .grid { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  .features { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
}