/* StockTracker public site — minimal legal / marketing pages for Cloudflare Pages */
:root {
  --bg: #0b1220;
  --card: #121a2b;
  --ink: #e8eef9;
  --muted: #9aa8c0;
  --accent: #3dd6c6;
  --line: rgba(255, 255, 255, 0.08);
  --max: 44rem;
  --font: "Avenir Next", "Segoe UI", "PingFang TC", "Noto Sans TC", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1a3a4a 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #243056 0%, transparent 50%),
    var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

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

.wrap {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
  padding: 2.5rem 0 4rem;
}

header.site {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2.5rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.brand strong {
  font-size: 1.25rem;
  letter-spacing: 0.02em;
}
.brand span {
  color: var(--muted);
  font-size: 0.85rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  font-size: 0.95rem;
}

h1 {
  font-size: clamp(1.6rem, 4vw, 2.1rem);
  line-height: 1.2;
  margin: 0 0 0.75rem;
}
h2 {
  font-size: 1.05rem;
  margin: 1.75rem 0 0.5rem;
  color: var(--accent);
}
.lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 1.5rem;
}
.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

.card {
  background: color-mix(in srgb, var(--card) 92%, white 8%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.35rem 1.4rem;
  margin: 1rem 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
  font-weight: 600;
}
.btn.primary {
  background: var(--accent);
  color: #06211e;
  border-color: transparent;
}
.btn:hover { text-decoration: none; opacity: 0.92; }

ul { padding-left: 1.2rem; }
li { margin: 0.35rem 0; }
p { margin: 0.65rem 0; }

.lang {
  display: flex;
  gap: 0.5rem;
  margin: 0 0 1rem;
  font-size: 0.85rem;
}
.lang button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  cursor: pointer;
}
.lang button[aria-pressed="true"] {
  color: #06211e;
  background: var(--accent);
  border-color: transparent;
}

footer.site {
  margin-top: 3rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.85rem;
}

.hidden { display: none !important; }