:root {
  --bg: #0d1117;
  --bg-soft: #121a24;
  --surface: #ffffff;
  --text: #13202b;
  --muted: #5e6b76;
  --brand: #0f6a7a;
  --brand-2: #0d8ea0;
  --gold: #c8a96b;
  --line: #dbe3ea;
  --success: #1e8f5a;
  --shadow: 0 20px 60px rgba(7, 26, 38, 0.12);
  --radius: 22px;
  --max: 1200px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: #f6f8fb;
  line-height: 1.6;
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }
.container { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.topbar {
  background: var(--bg);
  color: #dbe4ee;
  font-size: 14px;
}
.topbar .container {
  display: flex; gap: 18px; justify-content: space-between; align-items: center;
  padding: 10px 0;
  flex-wrap: wrap;
}
.topbar a { color: #dbe4ee; }
header.site-header {
  position: sticky; top: 0; z-index: 30;
  backdrop-filter: blur(12px);
  background: rgba(255,255,255,0.88);
  border-bottom: 1px solid rgba(219,227,234,0.8);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 78px; gap: 20px;
}
.logo {
  display: flex; flex-direction: column; line-height: 1.1;
}
.logo strong { font-size: 20px; letter-spacing: .02em; }
.logo span { font-size: 13px; color: var(--muted); }
.nav-links {
  display: flex; gap: 18px; align-items: center; flex-wrap: wrap;
}
.nav-links a { color: var(--text); font-weight: 600; font-size: 15px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 20px; border-radius: 999px;
  border: 1px solid transparent; font-weight: 700; text-decoration: none;
  transition: .2s ease; cursor: pointer;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; box-shadow: var(--shadow); }
.btn-secondary { background: #fff; border-color: var(--line); color: var(--text); }
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 20%, rgba(200,169,107,.18), transparent 28%),
    radial-gradient(circle at 80% 10%, rgba(13,142,160,.12), transparent 25%),
    linear-gradient(180deg, #fafdff 0%, #eef4f8 100%);
}
.hero .container {
  display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px;
  padding: 72px 0 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 999px; background: #fff; border: 1px solid #e8edf3;
  color: var(--brand); font-weight: 700; font-size: 14px;
}
.hero h1 {
  font-size: clamp(34px, 6vw, 62px);
  line-height: 1.03; margin: 18px 0 18px;
  letter-spacing: -0.03em;
}
.hero p.lead { font-size: 19px; color: #31404d; max-width: 760px; }
.hero-points {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 24px 0 28px;
}
.hero-points div, .check-list li {
  background: rgba(255,255,255,.82); border: 1px solid #e9eef4; border-radius: 16px; padding: 14px 16px;
}
.hero-card {
  background: #fff; border: 1px solid #e6edf3; border-radius: 28px; padding: 26px; box-shadow: var(--shadow);
}
.hero-card h3 { margin-top: 0; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 20px; }
.stat { background: #f7fafc; border-radius: 18px; padding: 16px; border: 1px solid #e9eef4; }
.stat strong { display:block; font-size: 26px; }
.section { padding: 76px 0; }
.section.alt { background: #fff; }
.section h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.08; margin: 0 0 14px; }
.section p.section-lead { max-width: 760px; color: #42505c; font-size: 18px; margin-bottom: 30px; }
.grid-3, .grid-2, .seo-grid {
  display: grid; gap: 22px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.seo-grid { grid-template-columns: repeat(3, 1fr); }
.card {
  background: #fff; border-radius: var(--radius); border: 1px solid #e7edf3; padding: 26px; box-shadow: var(--shadow);
}
.card h3 { margin-top: 0; margin-bottom: 10px; }
.card p:last-child { margin-bottom: 0; }
.band {
  background: linear-gradient(135deg, #0d1117, #132737);
  color: #eef5fa;
}
.band .card { background: rgba(255,255,255,.06); color: #eef5fa; border-color: rgba(255,255,255,.12); box-shadow: none; }
.band .card p, .band p.section-lead { color: #dbe6ef; }
.split {
  display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: start;
}
.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.check-list li { padding-left: 18px; position: relative; }
.check-list li::before {
  content: "✓"; position: absolute; left: 14px; top: 14px; color: var(--success); font-weight: 800;
}
.check-list li { padding-left: 38px; }
.cta-box {
  background: linear-gradient(135deg, rgba(15,106,122,1), rgba(13,142,160,1)); color: #fff;
  border-radius: 30px; padding: 34px; box-shadow: var(--shadow);
}
.cta-box a:not(.btn) { color: #fff; }
.faq details {
  background: #fff; border: 1px solid #e7edf3; border-radius: 16px; padding: 18px 20px; margin-bottom: 12px;
}
.faq summary { cursor: pointer; font-weight: 700; }
footer {
  background: #0d1117; color: #d4dee7; padding: 28px 0 40px; margin-top: 30px;
}
footer a { color: #fff; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px;
}
.small { font-size: 14px; color: var(--muted); }
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; }
.badge {
  display: inline-flex; align-items: center; padding: 8px 12px; border-radius: 999px;
  border: 1px solid #dde6ee; background: #fff; font-size: 14px; font-weight: 700; color: var(--brand);
}
.breadcrumbs { font-size: 14px; color: var(--muted); margin-top: 18px; }
.breadcrumbs a { color: var(--muted); }
.page-hero { padding: 46px 0 26px; background: linear-gradient(180deg, #f8fbff 0%, #eef4f8 100%); }
.content { background: #fff; border: 1px solid #e7edf3; border-radius: 26px; padding: 34px; box-shadow: var(--shadow); }
.notice {
  background: #fff7e8; border: 1px solid #f3dba8; color: #76541b; border-radius: 18px; padding: 16px 18px; margin: 18px 0 0;
}
.mobile-toggle { display: none; }
@media (max-width: 980px) {
  .hero .container, .split, .footer-grid, .grid-3, .grid-2, .seo-grid { grid-template-columns: 1fr; }
  .hero-points, .stats { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .nav { min-height: 72px; }
  .mobile-toggle { display: inline-flex; }
  .nav-links {
    display: none; position: absolute; left: 16px; right: 16px; top: 82px; background: #fff; border: 1px solid #e6edf3;
    border-radius: 18px; padding: 16px; box-shadow: var(--shadow); flex-direction: column; align-items: stretch;
  }
  .nav-links.open { display: flex; }
  .hero .container { padding-top: 40px; }
  .section { padding: 56px 0; }
}
