:root {
  --navy: #06224A;
  --navy-dark: #041A38;
  --gold: #F3C342;
  --ink: #132238;
  --muted: #637086;
  --paper: #F6F8FB;
  --white: #FFFFFF;
  --line: #DCE3EC;
  --max: 1120px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--ink); background: var(--white); line-height: 1.6; }
img { max-width: 100%; display: block; }
a { color: inherit; }
.wrap { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.nav { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { text-decoration: none; font-weight: 800; letter-spacing: .02em; color: var(--navy); }
nav { display: flex; gap: 24px; }
nav a { text-decoration: none; color: var(--muted); font-size: .95rem; }
nav a:hover { color: var(--navy); }
.hero { background: radial-gradient(circle at 85% 15%, rgba(243,195,66,.14), transparent 28%), linear-gradient(135deg, var(--navy-dark), var(--navy)); color: var(--white); padding: 76px 0; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 64px; }
.eyebrow { margin: 0 0 12px; color: var(--gold); font-weight: 800; text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; }
h1, h2, h3 { line-height: 1.1; margin-top: 0; }
h1 { font-size: clamp(2.6rem, 6vw, 5.4rem); max-width: 760px; margin-bottom: 22px; }
h2 { font-size: clamp(2rem, 4vw, 3.3rem); color: var(--navy); margin-bottom: 18px; }
h3 { font-size: 1.4rem; color: var(--navy); }
.lead { max-width: 680px; color: #DDE7F5; font-size: 1.15rem; }
.hero-actions { margin-top: 30px; display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.button { display: inline-block; background: var(--gold); color: var(--navy-dark); text-decoration: none; font-weight: 800; padding: 13px 20px; border-radius: 8px; }
.button:hover { transform: translateY(-1px); }
.text-link { color: #FFFFFF; text-underline-offset: 4px; }
.book-stage { max-width: 470px; margin-left: auto; padding: 20px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.14); border-radius: 18px; }
.book-stage img { border-radius: 4px; box-shadow: 0 24px 55px rgba(0,0,0,.35); }
.section { padding: 82px 0; }
.alt { background: var(--paper); }
.two-col { display: grid; grid-template-columns: 1.1fr .9fr; gap: 52px; align-items: start; }
.subtitle { font-size: 1.12rem; color: var(--muted); }
.note { color: var(--muted); font-size: .92rem; border-left: 3px solid var(--gold); padding-left: 14px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 28px; }
.check-list { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 26px; }
.check-list li { break-inside: avoid; margin: 0 0 12px; padding-left: 22px; position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--navy); font-weight: 800; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.feature-grid article { background: var(--white); border: 1px solid var(--line); border-radius: 12px; padding: 24px; }
.feature-grid strong { display: block; color: var(--navy); font-size: 2rem; line-height: 1; margin-bottom: 8px; }
.feature-grid span { color: var(--muted); }
.detail-strip { margin-top: 26px; display: flex; flex-wrap: wrap; gap: 10px; }
.detail-strip span { border: 1px solid var(--line); background: var(--white); border-radius: 999px; padding: 8px 12px; font-size: .9rem; }
.about { max-width: 760px; }
.about p { font-size: 1.08rem; }
.cta { background: var(--navy); color: var(--white); padding: 52px 0; }
.cta h2 { color: var(--white); margin-bottom: 0; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.button-light { background: var(--white); color: var(--navy); }
footer { background: var(--navy-dark); color: #CED8E7; padding: 22px 0; font-size: .9rem; }
.footer-inner { display: flex; justify-content: space-between; gap: 20px; }
@media (max-width: 800px) {
  nav { display: none; }
  .hero { padding: 54px 0; }
  .hero-grid, .two-col { grid-template-columns: 1fr; gap: 34px; }
  .book-stage { margin: 0; max-width: 420px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .check-list { columns: 1; }
  .cta-inner, .footer-inner { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
  .wrap { width: min(calc(100% - 28px), var(--max)); }
  h1 { font-size: 2.6rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .section { padding: 60px 0; }
}