:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #16202c;
  --muted: #5a6675;
  --line: #e2e6eb;
  --accent: #0f6e6a;
  --accent-soft: #e3f2f1;
  --radius: 14px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419;
    --surface: #171e26;
    --text: #e8edf2;
    --muted: #9aa7b5;
    --line: #26303b;
    --accent: #4fc1b9;
    --accent-soft: #15302e;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Noto Sans Thai", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
}

a { color: var(--accent); }
a:focus-visible, button:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }

.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 20px 0;
}
.brand { font-weight: 700; font-size: 18px; letter-spacing: -0.01em; color: var(--text); text-decoration: none; }
.lang { font-size: 14px; color: var(--muted); }
.lang a { margin-left: 8px; }
.lang [aria-current="page"] { color: var(--text); font-weight: 600; text-decoration: none; }

.hero { padding: 40px 0 32px; }
.hero h1 { font-size: clamp(28px, 6vw, 40px); line-height: 1.2; margin: 0 0 12px; letter-spacing: -0.02em; }
.hero p { color: var(--muted); font-size: 18px; margin: 0; max-width: 640px; }

section { margin: 0 0 28px; }
h2 { font-size: 20px; margin: 0 0 14px; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}

.products { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.product h3 { margin: 0 0 6px; font-size: 18px; }
.product p { margin: 0 0 10px; color: var(--muted); }
.badge {
  display: inline-block; font-size: 13px; font-weight: 600;
  padding: 2px 10px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent);
}

dl.legal { display: grid; grid-template-columns: minmax(140px, 220px) 1fr; gap: 10px 16px; margin: 0; }
dl.legal dt { color: var(--muted); }
dl.legal dd { margin: 0; font-weight: 500; overflow-wrap: anywhere; }

@media (max-width: 560px) {
  dl.legal { grid-template-columns: 1fr; gap: 2px; }
  dl.legal dd { margin-bottom: 10px; }
}

.small { font-size: 14px; color: var(--muted); }

footer { border-top: 1px solid var(--line); padding: 20px 0 40px; margin-top: 12px; }

.card > p:first-child { margin-top: 0; }
.card > p:last-child { margin-bottom: 0; }