:root {
  color-scheme: dark;
  --bg: #06100e;
  --surface: #0d1d19;
  --surface-strong: #103832;
  --line: #29443e;
  --text: #f5f8f7;
  --muted: #a9bbb7;
  --mint: #4dd6b2;
  --mint-soft: #97ead5;
  --amber: #ffbd51;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--mint-soft); }
img { display: block; max-width: 100%; }
.shell { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(77, 214, 178, .15);
  background: rgba(6, 16, 14, .9);
  backdrop-filter: blur(18px);
}
.nav-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font-weight: 850; letter-spacing: -.02em; }
.brand img { width: 38px; height: 38px; border-radius: 10px; }
.links { display: flex; flex-wrap: wrap; gap: 22px; }
.links a { color: var(--muted); text-decoration: none; font-weight: 650; }
.links a:hover, .links a:focus-visible { color: var(--mint); }
.hero { padding: 88px 0 72px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, 420px); align-items: center; gap: 72px; }
.eyebrow { margin: 0 0 12px; color: var(--mint); font-size: .82rem; font-weight: 850; letter-spacing: .18em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.08; letter-spacing: -.035em; }
h1 { max-width: 720px; margin: 0; font-size: clamp(3rem, 7vw, 6.8rem); }
h2 { margin: 0 0 18px; font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { margin: 0 0 8px; font-size: 1.25rem; }
.lead { max-width: 680px; margin: 24px 0 0; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.32rem); }
.hero-card {
  position: relative;
  min-height: 440px;
  border: 1px solid var(--line);
  border-radius: 42px;
  background: radial-gradient(circle at 70% 10%, #1e6960 0, transparent 42%), linear-gradient(145deg, #10342f, #091713 70%);
  box-shadow: 0 34px 90px rgba(0,0,0,.38);
  overflow: hidden;
}
.hero-card::before { content: "✓"; position: absolute; inset: 58px auto auto 56px; display: grid; width: 92px; height: 92px; place-items: center; border-radius: 28px; background: var(--mint); color: #052019; font-size: 3.4rem; font-weight: 900; }
.hero-card::after { content: "Study. Practice. Pass."; position: absolute; left: 56px; right: 42px; bottom: 58px; font-size: clamp(1.8rem, 4vw, 3.2rem); font-weight: 900; line-height: 1.03; letter-spacing: -.04em; }
.section { padding: 84px 0; border-top: 1px solid rgba(77, 214, 178, .12); }
.section-intro { max-width: 720px; color: var(--muted); font-size: 1.08rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 36px; }
.feature { min-height: 210px; padding: 28px; border: 1px solid var(--line); border-radius: 26px; background: var(--surface); }
.feature-number { color: var(--mint); font-size: .78rem; font-weight: 850; letter-spacing: .14em; }
.feature p { color: var(--muted); margin-bottom: 0; }
.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 36px; align-items: start; }
.shot { padding: 10px; border: 1px solid var(--line); border-radius: 30px; background: #0a1714; box-shadow: 0 24px 60px rgba(0,0,0,.25); }
.shot img { width: 100%; border-radius: 22px; }
.notice { margin-top: 36px; padding: 22px 24px; border-left: 4px solid var(--amber); background: rgba(255, 189, 81, .08); color: #f6dfb6; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 11px 19px; border-radius: 14px; background: var(--mint); color: #052019; text-decoration: none; font-weight: 850; }
.button.secondary { border: 1px solid var(--line); background: transparent; color: var(--text); }
.legal { max-width: 800px; padding: 76px 0 96px; }
.legal h1 { font-size: clamp(2.6rem, 7vw, 5rem); }
.legal .effective { color: var(--muted); }
.legal section { margin-top: 42px; }
.legal section p, .legal li { color: var(--muted); }
.support-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 36px; }
.support-card { padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); }
footer { padding: 34px 0 48px; border-top: 1px solid rgba(77, 214, 178, .12); color: var(--muted); }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; }
.footer-links { display: flex; gap: 18px; }

@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; gap: 44px; }
  .hero-card { min-height: 340px; }
  .feature-grid, .shots { grid-template-columns: 1fr; }
  .shots { width: min(100%, 460px); margin-inline: auto; }
  .support-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .shell { width: min(calc(100% - 28px), var(--max)); }
  .nav-inner { align-items: flex-start; padding: 14px 0; }
  .links { justify-content: flex-end; gap: 12px; font-size: .9rem; }
  .hero { padding-top: 56px; }
  .section { padding: 64px 0; }
}