/* =========================================================
   Passlane — shared styles
   Light, clean, responsive. No external dependencies.
   ========================================================= */

:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-muted: #eef2f7;
  --text: #15233b;
  --text-soft: #51607a;
  --border: #e3e8f0;
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --primary-soft: #eef0fe;
  --accent: #0ea5a4;
  --danger: #dc2626;
  --radius: 14px;
  --shadow: 0 1px 3px rgba(16, 32, 64, .06), 0 8px 24px rgba(16, 32, 64, .06);
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 19px;
  color: var(--text);
}
.brand .logo {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: grid; place-items: center;
  color: #fff; font-weight: 800; font-size: 15px;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-links a {
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 500;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--primary);
  text-decoration: none;
}
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .15s ease;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
}
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }
.btn-outline {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); text-decoration: none; }
.btn-lg { padding: 14px 30px; font-size: 16px; }

/* ---------- Hero ---------- */
.hero {
  padding: 76px 0 56px;
  background:
    radial-gradient(900px 360px at 80% -10%, var(--primary-soft), transparent 60%),
    radial-gradient(700px 320px at 0% 0%, #e6fbfa, transparent 55%),
    var(--bg);
}
.hero h1 {
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.15;
  margin: 0 0 18px;
  letter-spacing: -.5px;
}
.hero p.lead {
  font-size: 18px;
  color: var(--text-soft);
  max-width: 640px;
  margin: 0 0 28px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Sections ---------- */
.section { padding: 60px 0; }
.section.soft { background: var(--bg-soft); }
.section h2 {
  font-size: 28px;
  margin: 0 0 8px;
  letter-spacing: -.3px;
}
.section .sub {
  color: var(--text-soft);
  margin: 0 0 34px;
  font-size: 16px;
}

/* ---------- Cards / Grid ---------- */
.grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.card .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid; place-items: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0 0 14px; color: var(--text-soft); font-size: 15px; }
.card .tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  background: #e6fbfa;
  padding: 3px 10px;
  border-radius: 999px;
}

/* ---------- Pricing ---------- */
.pricing-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  align-items: stretch;
}
.price-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  position: relative;
}
.price-card.featured {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft), var(--shadow);
}
.price-card .badge {
  position: absolute;
  top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 12px; font-weight: 700;
  padding: 4px 14px; border-radius: 999px;
}
.price-card h3 { margin: 0 0 4px; font-size: 20px; }
.price-card .desc { color: var(--text-soft); font-size: 14px; margin: 0 0 18px; }
.price {
  font-size: 40px; font-weight: 800; letter-spacing: -1px;
  display: flex; align-items: baseline; gap: 6px;
}
.price .cur { font-size: 22px; font-weight: 700; }
.price .per { font-size: 15px; font-weight: 500; color: var(--text-soft); }
.price-card ul {
  list-style: none; padding: 0; margin: 20px 0 24px;
  display: grid; gap: 10px;
}
.price-card li { display: flex; gap: 10px; font-size: 14.5px; color: var(--text); }
.price-card li::before { content: "✓"; color: var(--accent); font-weight: 800; }
.price-card .btn { margin-top: auto; text-align: center; }

/* ---------- Legal / prose pages ---------- */
.prose { max-width: 820px; }
.prose h1 { font-size: 32px; margin: 0 0 6px; letter-spacing: -.4px; }
.prose .updated { color: var(--text-soft); font-size: 14px; margin: 0 0 28px; }
.prose h2 {
  font-size: 21px; margin: 34px 0 10px;
  padding-bottom: 8px; border-bottom: 1px solid var(--border);
}
.prose h3 { font-size: 17px; margin: 24px 0 8px; }
.prose p, .prose li { color: var(--text-soft); font-size: 15.5px; }
.prose ul, .prose ol { padding-left: 22px; }
.prose li { margin: 6px 0; }
.prose strong { color: var(--text); }
.callout {
  background: var(--primary-soft);
  border-left: 4px solid var(--primary);
  padding: 14px 18px;
  border-radius: 8px;
  margin: 18px 0;
  font-size: 15px;
  color: var(--text);
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  padding: 44px 0 26px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 30px;
}
.footer-grid h4 { font-size: 14px; margin: 0 0 14px; color: var(--text); }
.footer-grid a { display: block; color: var(--text-soft); font-size: 14px; margin: 8px 0; }
.footer-grid a:hover { color: var(--primary); }
.footer-brand p { color: var(--text-soft); font-size: 14px; max-width: 320px; }
.footer-bottom {
  margin-top: 34px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--text-soft);
  font-size: 13px;
}
.support-email { font-weight: 600; color: var(--text); }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .nav-links {
    position: absolute;
    top: 64px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    gap: 0;
    padding: 8px 20px 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 0; width: 100%; }
  .nav-toggle { display: block; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
}