:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --text: #101828;
  --muted: #667085;
  --border: #e4e7ec;
  --navy: #0b1f3a;
  --navy-2: #102a4c;
  --accent: #2f6fed;
  --accent-2: #74a3ff;
  --dark: #071426;
  --radius: 20px;
  --shadow: 0 18px 60px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(247, 249, 252, 0.88);
  border-bottom: 1px solid rgba(228,231,236,.9);
}

.nav-wrap {
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand { font-weight: 800; font-size: 1.15rem; letter-spacing: -.02em; }
.nav-links { display: flex; gap: 24px; margin-left: auto; color: #475467; font-size: .95rem; }
.nav-links a:hover { color: var(--accent); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 12px;
  background: var(--accent);
  color: white;
  font-weight: 700;
  transition: transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 8px 24px rgba(47,111,237,.22);
}
.button:hover { transform: translateY(-1px); box-shadow: 0 12px 28px rgba(47,111,237,.28); }
.button-small { min-height: 42px; padding: 0 16px; font-size: .92rem; }
.button-secondary { background: white; color: var(--navy); border: 1px solid var(--border); box-shadow: none; }

.hero {
  padding: 92px 0 72px;
  background:
    radial-gradient(circle at 86% 22%, rgba(47,111,237,.12), transparent 30%),
    radial-gradient(circle at 20% 0%, rgba(116,163,255,.14), transparent 28%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 64px;
  align-items: center;
}
.eyebrow, .section-kicker {
  color: var(--accent);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  margin: 0 0 16px;
}
h1, h2, h3 { line-height: 1.14; letter-spacing: -.035em; margin-top: 0; }
h1 { font-size: clamp(3rem, 6vw, 5.6rem); margin-bottom: 24px; max-width: 900px; }
h2 { font-size: clamp(2rem, 4vw, 3.3rem); margin-bottom: 20px; }
h3 { font-size: 1.3rem; }
.hero-copy { font-size: 1.2rem; color: var(--muted); max-width: 720px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.hero-card {
  color: white;
  padding: 34px;
  border-radius: 26px;
  background: linear-gradient(145deg, var(--navy), #15365f);
  box-shadow: 0 28px 80px rgba(11,31,58,.22);
}
.hero-card-badge {
  display: inline-block;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  font-size: .78rem;
  font-weight: 700;
  margin-bottom: 26px;
}
.hero-card p { color: #d7e2f2; }
.signal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 26px; }
.signal-grid div { padding: 16px; border: 1px solid rgba(255,255,255,.12); border-radius: 14px; }
.signal-grid strong, .signal-grid span { display: block; }
.signal-grid strong { font-size: 1.05rem; margin-bottom: 4px; }
.signal-grid span { font-size: .82rem; color: #b9c9df; }

.credibility-strip { background: white; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.credibility-grid { display: grid; grid-template-columns: repeat(3,1fr); }
.credibility-grid div { padding: 24px 28px; text-align: center; }
.credibility-grid div + div { border-left: 1px solid var(--border); }
.credibility-grid strong, .credibility-grid span { display: block; }
.credibility-grid span { color: var(--muted); font-size: .9rem; }

.section { padding: 96px 0; }
.section-muted { background: #eef3f9; }
.section-dark { background: var(--dark); color: white; }
.section-dark .section-heading-row p { color: #b7c3d3; }

.two-column { display: grid; grid-template-columns: .8fr 1.2fr; gap: 88px; align-items: start; }
.prose { font-size: 1.06rem; color: #475467; }
.prose p:first-child { margin-top: 0; }

.section-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 40px;
  margin-bottom: 42px;
}
.section-heading-row h2 { margin-bottom: 0; }
.section-heading-row p { max-width: 470px; color: var(--muted); margin: 0; }
.section-intro { color: var(--muted); max-width: 780px; margin-bottom: 40px; font-size: 1.05rem; }

.course-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 22px;
}
.course-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.course-card p { color: var(--muted); }
.featured-course { border: 2px solid rgba(47,111,237,.35); transform: translateY(-6px); }
.course-tag {
  align-self: flex-start;
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  color: var(--accent);
  background: #eef4ff;
  padding: 7px 10px;
  border-radius: 999px;
  margin-bottom: 20px;
}
.pill-row { display: flex; flex-wrap: wrap; gap: 7px; margin: 6px 0 24px; }
.pill-row span { background: #f2f4f7; color: #475467; padding: 6px 9px; border-radius: 999px; font-size: .78rem; }
.text-link { margin-top: auto; color: var(--accent); font-weight: 800; }
.muted-link { color: #98a2b3; cursor: default; }

.journey {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
  gap: 14px;
  align-items: center;
}
.journey-step {
  background: white;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px;
  min-height: 220px;
}
.journey-step span { color: var(--accent); font-weight: 800; font-size: .82rem; }
.journey-step p { color: var(--muted); font-size: .92rem; }
.journey-arrow { font-size: 1.4rem; color: #98a2b3; }

.review-placeholder {
  border: 1px dashed rgba(255,255,255,.24);
  border-radius: 18px;
  padding: 34px;
  color: #c6d2e1;
  background: rgba(255,255,255,.03);
}

.why-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 18px; margin-top: 42px; }
.why-card { background: white; border: 1px solid var(--border); border-radius: 18px; padding: 24px; }
.why-card p { color: var(--muted); font-size: .93rem; }

.cta-section { padding: 0 0 96px; }
.cta-card {
  background: linear-gradient(135deg, var(--navy), #15365f);
  color: white;
  border-radius: 26px;
  padding: 42px;
  display: flex;
  justify-content: space-between;
  gap: 30px;
  align-items: center;
}
.cta-card h2 { margin-bottom: 0; max-width: 720px; }

.footer { background: #06101f; color: white; padding: 46px 0 28px; }
.footer-grid { display: flex; justify-content: space-between; gap: 40px; }
.footer p { color: #93a4ba; margin-bottom: 0; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; color: #c2cedc; }
.copyright { margin-top: 34px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); color: #7f91a8; font-size: .85rem; }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid, .two-column { grid-template-columns: 1fr; gap: 42px; }
  .course-grid { grid-template-columns: 1fr; }
  .featured-course { transform: none; }
  .journey { grid-template-columns: 1fr; }
  .journey-arrow { transform: rotate(90deg); text-align: center; }
  .why-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 26px, 1180px); }
  .site-header .button-small { display: none; }
  .hero { padding-top: 64px; }
  h1 { font-size: 2.7rem; }
  .signal-grid, .credibility-grid, .why-grid { grid-template-columns: 1fr; }
  .credibility-grid div + div { border-left: 0; border-top: 1px solid var(--border); }
  .section { padding: 72px 0; }
  .section-heading-row, .cta-card, .footer-grid { flex-direction: column; align-items: flex-start; }
}
