:root {
  --ink: #14202b;
  --muted: #5b6b7c;
  --line: #e2e8ef;
  --bg: #f7f9fb;
  --card: #ffffff;
  --accent: #0f766e;
  --accent-soft: #e6f4f1;
  --navy: #0e1a26;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap { width: min(1120px, 92%); margin: 0 auto; }

header.site {
  background: var(--navy);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

header.site .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  gap: 24px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  letter-spacing: 0.4px;
  font-size: 15px;
}

.brand:hover { text-decoration: none; }

.brand .mark {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  background: linear-gradient(135deg, #14b8a6, #0f766e);
  display: inline-block;
}

nav.main { display: flex; gap: 26px; flex-wrap: wrap; }
nav.main a { color: #c7d3df; font-size: 15px; }
nav.main a:hover, nav.main a.active { color: #fff; text-decoration: none; }

.hero { padding: 84px 0 64px; }
.hero h1 { font-size: clamp(30px, 4.4vw, 46px); line-height: 1.12; margin: 0 0 20px; letter-spacing: -0.5px; }
.hero p { font-size: 18px; color: var(--muted); max-width: 660px; margin: 0 0 28px; }

.btn {
  display: inline-block;
  padding: 12px 22px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
}
.btn:hover { background: #0b5f59; text-decoration: none; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 22px; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px;
}
.card h3 { margin: 0 0 10px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }

section { padding: 64px 0; }
section.tight { padding: 40px 0; }

h2 { font-size: clamp(24px, 3vw, 32px); margin: 0 0 14px; letter-spacing: -0.3px; }
.lead { color: var(--muted); max-width: 680px; margin: 0 0 34px; }

table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 15px; }
th { background: #f1f5f8; font-size: 13px; text-transform: uppercase; letter-spacing: 0.6px; color: var(--muted); }
tr:last-child td { border-bottom: 0; }

.plan { display: flex; flex-direction: column; }
.plan .price { font-size: 34px; font-weight: 700; margin: 6px 0 2px; }
.plan .price span { font-size: 15px; font-weight: 400; color: var(--muted); }
.plan ul { margin: 16px 0 0; padding-left: 18px; color: var(--muted); font-size: 15px; }
.plan ul li { margin-bottom: 8px; }

.note { font-size: 13px; color: var(--muted); margin-top: 16px; }

footer.site {
  background: #fff;
  border-top: 1px solid var(--line);
  padding: 40px 0;
  color: var(--muted);
  font-size: 14px;
}
footer.site .cols { display: flex; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
footer.site a { color: var(--muted); }

.small { font-size: 13px; color: var(--muted); }

dl.legal dt { font-weight: 600; margin-top: 18px; }
dl.legal dd { margin: 4px 0 0; color: var(--muted); }

@media (max-width: 640px) {
  .hero { padding: 56px 0 40px; }
  section { padding: 44px 0; }
}
