:root {
  --navy-900: #16243f;
  --navy-700: #1F3864;
  --navy-500: #2a4a80;
  --gold: #F5B301;
  --ink: #1c2430;
  --muted: #5b6b80;
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --border: #dfe6ef;
  --radius: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

/* Header */
header {
  background: var(--navy-900);
  color: #fff;
  position: sticky; top: 0; z-index: 50;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: #fff; font-weight: 700; font-size: 19px; }
.brand b { color: var(--gold); font-weight: 700; }
.mark { width: 28px; height: 28px; border-radius: 6px; background: var(--gold);
        display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 2.5px; padding: 5px; }
.mark span { background: var(--navy-700); border-radius: 2px; }
.nav-links { display: flex; gap: 26px; align-items: center; }
.nav-links a { color: #c9d6ec; text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: #fff; }
.nav-links a.btn { color: var(--navy-900); }
.nav-links a.btn:hover { color: var(--navy-900); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid #F5B301; outline-offset: 2px; border-radius: 4px;
}
.btn {
  display: inline-block; background: var(--gold); color: var(--navy-900);
  font-weight: 700; text-decoration: none; border-radius: 8px;
  padding: 12px 24px; font-size: 16px; border: none; cursor: pointer;
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(245,179,1,.35); }
.btn.small { padding: 9px 18px; font-size: 14px; }
.btn.big { padding: 16px 34px; font-size: 18px; }
.btn.ghost { background: transparent; color: var(--gold); border: 2px solid var(--gold); }
.btn.ghost:hover { box-shadow: 0 6px 18px rgba(245,179,1,.25); }
.btn.ghost.navy { color: var(--navy-700); border-color: var(--navy-700); }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.cta-row .btn.big { padding: 16px 24px; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 55%, var(--navy-500) 100%); color: #fff; padding: 72px 0 84px; }
.hero .wrap { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 { font-size: 44px; line-height: 1.12; margin-bottom: 18px; }
.hero p.lead { font-size: 20px; color: #c9d6ec; margin-bottom: 28px; }
.hero .sub-cta { margin-top: 14px; font-size: 14px; color: #b7c6e0; }
.hero img { width: 100%; height: auto; border-radius: 10px; box-shadow: 0 24px 60px rgba(0,0,0,.5); border: 1px solid #44598a; }

/* Sections */
section { padding: 72px 0; }
section.soft { background: var(--bg-soft); }
h2.section-title { font-size: 32px; color: var(--navy-900); margin-bottom: 10px; text-align: center; }
p.section-sub { text-align: center; color: var(--muted); max-width: 640px; margin: 0 auto 44px; font-size: 17px; }

.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 22px;
}
.card .icon { width: 40px; height: 40px; border-radius: 9px; background: var(--navy-700); color: var(--gold);
              display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 700; margin-bottom: 14px; }
.card h3 { font-size: 17px; margin-bottom: 8px; color: var(--navy-900); }
.card p { font-size: 14.5px; color: var(--muted); }

/* Tabs walkthrough */
.walk { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; margin-bottom: 56px; }
.walk:last-child { margin-bottom: 0; }
.walk img { width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--border); box-shadow: 0 10px 30px rgba(22,36,63,.10); }
img { max-width: 100%; height: auto; }
.walk .step { color: #8a6400; font-weight: 700; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; }
.walk h3 { font-size: 24px; color: var(--navy-900); margin: 6px 0 10px; }
.walk p { color: var(--muted); font-size: 16px; }
.walk.flip .txt { order: 2; }

/* Pricing */
.price-card {
  max-width: 520px; margin: 0 auto; background: #fff; border: 2px solid var(--navy-700);
  border-radius: 16px; padding: 40px; text-align: center; box-shadow: 0 18px 46px rgba(22,36,63,.12);
}
.price-card .amount { font-size: 56px; font-weight: 800; color: var(--navy-900); }
.price-card .amount small { font-size: 20px; color: var(--muted); font-weight: 400; }
.price-card ul { list-style: none; text-align: left; margin: 26px 0 30px; }
.price-card li { padding: 7px 0 7px 30px; position: relative; font-size: 15.5px; }
.price-card li:before { content: "✓"; position: absolute; left: 0; color: var(--gold); font-weight: 800; }
.guarantee { margin-top: 16px; font-size: 14px; color: var(--muted); }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
.faq details { border-bottom: 1px solid var(--border); padding: 18px 0; }
.faq summary { font-weight: 600; font-size: 17px; cursor: pointer; color: var(--navy-900); }
.faq details p { margin-top: 10px; color: var(--muted); font-size: 15.5px; }

/* Article pages */
.article { max-width: 720px; margin: 0 auto; padding: 56px 24px 72px; }
.article h1 { font-size: 36px; line-height: 1.15; color: var(--navy-900); margin-bottom: 12px; }
.article .meta { color: var(--muted); font-size: 14px; margin-bottom: 34px; }
.article h2 { font-size: 25px; color: var(--navy-900); margin: 36px 0 12px; }
.article p, .article li { font-size: 17px; color: #2c3a4d; margin-bottom: 16px; }
.article ul, .article ol { padding-left: 26px; margin-bottom: 16px; }
.article table { border-collapse: collapse; width: 100%; margin: 20px 0; font-size: 15.5px; }
.article th { background: var(--navy-700); color: #fff; padding: 10px 14px; text-align: left; }
.article td { border: 1px solid var(--border); padding: 9px 14px; }
.article .example {
  background: var(--bg-soft); border-left: 4px solid var(--gold);
  border-radius: 0 10px 10px 0; padding: 18px 22px; margin: 22px 0;
}
.cta-box {
  background: var(--navy-900); color: #fff; border-radius: 14px;
  padding: 32px; margin: 44px 0 8px; text-align: center;
}
.cta-box h3 { font-size: 22px; margin-bottom: 8px; }
.cta-box p { color: #c9d6ec !important; margin-bottom: 18px; font-size: 15.5px !important; }

/* Footer */
footer { background: var(--navy-900); color: #9fb2d2; padding: 40px 0; font-size: 14px; }
footer .wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
footer a { color: #c9d6ec; text-decoration: none; }
footer a:hover { color: #fff; }

@media (max-width: 860px) {
  .hero .wrap, .walk { grid-template-columns: 1fr; }
  .walk.flip .txt { order: 0; }
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 34px; }
  .nav-links { gap: 18px; }
}
@media (max-width: 640px) {
  .nav-links a:not(.btn) { display: none; }
}
@media (max-width: 520px) {
  .grid-4 { grid-template-columns: 1fr; }
}

/* Accessibility */
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--gold); color: var(--navy-900); font-weight: 700;
  padding: 12px 20px; border-radius: 0 0 8px 0; text-decoration: none;
}
.skip:focus { left: 0; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}