:root {
  --ink: #0f172a;
  --muted: #0d9488;
  --paper: #f0fdfa;
  --panel: #ffffff;
  --line: #ccfbf1;
  --blue: #0ea5e9;
  --green: #0d9488;
  --coral: #f97316;
  --plum: #ea580c;
  --shadow: 0 18px 50px rgba(13, 148, 136, .08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: system-ui, -apple-system, sans-serif;
  background:
    linear-gradient(90deg, rgba(13,148,136,.04) 1px, transparent 1px),
    linear-gradient(rgba(14,165,233,.03) 1px, transparent 1px),
    linear-gradient(135deg, #f0fdfa 0%, #e0f2fe 100%);
  background-size: 40px 40px, 40px 40px, auto;
}
a { color: inherit; }
.container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
.header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: rgba(240,253,250,.9); backdrop-filter: blur(12px); }
.nav { min-height: 72px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.brand { display: flex; gap: 12px; align-items: center; text-decoration: none; font-weight: 800; }
.logo { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 8px; color: #fff; background: linear-gradient(135deg, var(--blue), var(--green)); box-shadow: var(--shadow); }
.nav-links { display: flex; gap: 18px; align-items: center; }
.nav-links a { text-decoration: none; color: var(--muted); font-weight: 600; }
.nav-links a:hover { color: var(--blue); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border-radius: 8px; border: 1px solid var(--line); background: #fff; text-decoration: none; font-weight: 600; transition: all .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.button.primary { color: #fff; border: 0; background: linear-gradient(135deg, var(--blue), var(--green)); }
.button.secondary { color: #fff; border: 0; background: linear-gradient(135deg, var(--plum), var(--coral)); }
.hero { min-height: calc(100vh - 72px); display: grid; align-items: center; padding: 60px 0; }
.hero-layout { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: center; }
.kicker { display: inline-flex; padding: 6px 12px; border-radius: 99px; color: var(--blue); background: rgba(14,165,233,.1); font-size: 14px; font-weight: 700; }
h1, h2, h3 { margin: 0; line-height: 1.15; font-weight: 800; }
h1 { margin-top: 16px; font-size: clamp(36px, 6vw, 64px); }
h2 { font-size: clamp(28px, 4vw, 44px); }
h3 { font-size: 20px; }
p { color: var(--muted); line-height: 1.6; }
.lead { font-size: 18px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.brief { border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: var(--shadow); overflow: hidden; }
.brief-header { padding: 16px 20px; color: #fff; background: linear-gradient(135deg, var(--ink), var(--blue)); font-weight: 700; }
.brief-row { display: grid; grid-template-columns: 120px 1fr; gap: 12px; padding: 14px 20px; border-top: 1px solid var(--line); }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 16px; }
.stat { padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: #fff; text-align: center; }
.stat strong { display: block; color: var(--blue); font-size: 20px; }
.section { padding: 60px 0; }
.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: flex-end; margin-bottom: 30px; }
.grid { display: grid; gap: 20px; }
.cols-3 { grid-template-columns: repeat(3, 1fr); }
.card { padding: 24px; border: 1px solid var(--line); border-radius: 12px; background: #fff; box-shadow: 0 4px 20px rgba(13,148,136,.03); }
.badge { width: 36px; height: 36px; display: grid; place-items: center; margin-bottom: 12px; border-radius: 6px; color: #fff; background: linear-gradient(135deg, var(--blue), var(--green)); font-weight: 700; }
.price { font-size: 32px; color: var(--blue); font-weight: 800; }
.list { list-style: none; padding: 0; margin: 16px 0 0; }
.list li { position: relative; padding-left: 20px; margin-bottom: 8px; }
.list li:before { content: "✓"; position: absolute; left: 0; color: var(--blue); font-weight: bold; }
.faq details { padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.faq details + details { margin-top: 12px; }
.faq summary { cursor: pointer; font-size: 16px; font-weight: 700; }
.cta { padding: 40px; border-radius: 12px; color: #fff; background: linear-gradient(135deg, var(--ink), var(--blue)); box-shadow: var(--shadow); text-align: center; }
.cta p { color: rgba(255,255,255,.8); }
.footer { padding: 40px 0; border-top: 1px solid var(--line); background: #f0fdfa; }
.footer-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 30px; }
.footer-links { display: grid; gap: 8px; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--blue); }
.reveal { opacity: 1; }
@media (max-width: 768px) {
  .hero-layout, .section-head, .cols-3, .footer-grid { grid-template-columns: 1fr; }
}