:root {
  --brand: #0CC3DC;
  --brand-deep: #0698B0;
  --ink: #17313a;
  --muted: #52666f;
  --soft: #e3f6fa;
  --bg: #eef8fb;
  --card: #ffffff;
  --line: #d5e8ee;
  --link: #05778a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e6f3f6;
    --muted: #9db6be;
    --soft: #12323a;
    --bg: #0b1a1f;
    --card: #11262d;
    --line: #1f3b44;
    --link: #55d6ea;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

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

.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px 56px; }

nav.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0;
  font-size: 15px;
}
nav.top a { color: var(--muted); text-decoration: none; margin-left: 16px; }
nav.top a:first-child { margin-left: 0; color: var(--ink); font-weight: 700; }
nav.top a:hover { color: var(--link); }
nav.top .lang { font-weight: 600; }

a { color: var(--link); }

.hero { text-align: center; padding: 28px 0 12px; }
.hero img {
  width: 112px; height: 112px; border-radius: 26px;
  box-shadow: 0 10px 30px rgba(12, 195, 220, 0.35);
}
.hero h1 { font-size: 44px; letter-spacing: -1px; margin: 22px 0 6px; }
.hero p.tag { font-size: 20px; color: var(--muted); margin: 0 auto; max-width: 540px; line-height: 1.45; }

.badge {
  display: inline-block;
  margin-top: 24px;
  padding: 13px 26px;
  border-radius: 14px;
  background: var(--brand);
  color: #06323b;
  font-weight: 700;
  font-size: 16px;
}

.grid { display: grid; grid-template-columns: 1fr; gap: 14px; margin: 36px 0 8px; }
@media (min-width: 640px) { .grid { grid-template-columns: 1fr 1fr; } }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px 22px;
}
.card h2 { font-size: 17px; margin: 0 0 6px; }
.card p { margin: 0; color: var(--muted); font-size: 15px; }
.card .dot {
  width: 38px; height: 38px; border-radius: 12px;
  background: var(--soft); display: grid; place-items: center;
  margin-bottom: 12px; font-size: 20px;
}

h2.section { font-size: 22px; margin: 40px 0 6px; letter-spacing: -0.3px; }
p.lead { color: var(--muted); margin: 0 0 8px; }

.note {
  margin-top: 30px;
  padding: 14px 18px;
  border-radius: 16px;
  background: var(--soft);
  color: var(--muted);
  font-size: 14px;
}

footer { margin-top: 44px; font-size: 14px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 18px; }
footer a { margin-right: 16px; }

/* privacy / text pages */
article h1 { font-size: 34px; letter-spacing: -0.6px; margin: 18px 0 4px; }
article h2 { font-size: 19px; margin: 30px 0 6px; }
article p, article li { font-size: 16px; color: var(--ink); }
article ul { padding-left: 22px; margin: 8px 0; }
article li { margin: 5px 0; }
article .meta { color: var(--muted); font-size: 14px; margin: 0 0 18px; }
article table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 15px; }
article th, article td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
article th { color: var(--muted); font-weight: 600; }