/* PocketTerm marketing / legal site — Pocket brand */
:root {
  --bg: #0a1220;
  --bg-elev: #121c2e;
  --panel: #182338;
  --text: #e8eef7;
  --muted: #8b9bb4;
  --amber: #f5a623;
  --green: #3ddc97;
  --line: rgba(245, 166, 35, 0.22);
  --radius: 14px;
  --max: 42rem;
  --font-display: "Syne", "PingFang TC", "Noto Sans TC", sans-serif;
  --font-body: "IBM Plex Sans", "PingFang TC", "Noto Sans TC", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(245, 166, 35, 0.12), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(61, 220, 151, 0.08), transparent 50%),
    var(--bg);
}

a {
  color: var(--amber);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

a:hover {
  color: #ffc45c;
}

.wrap {
  width: min(100% - 2rem, 52rem);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0 0.5rem;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 0.55rem;
  color: inherit;
  text-decoration: none;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand .mark {
  font-family: var(--font-mono);
  color: var(--amber);
  font-weight: 600;
}

.brand .name {
  font-size: 1.15rem;
}

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

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--text);
}

.lang {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
  font-size: 0.8rem;
}

.lang button {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  font: inherit;
}

.lang button[aria-pressed="true"] {
  background: rgba(245, 166, 35, 0.16);
  color: var(--amber);
}

main {
  padding: 2rem 0 4rem;
}

.hero {
  margin: 1.5rem 0 2.25rem;
}

.hero h1 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  max-width: 36rem;
  color: var(--muted);
  font-size: 1.08rem;
}

.card-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  margin-top: 2rem;
}

.card {
  display: block;
  padding: 1.25rem 1.35rem;
  background: linear-gradient(160deg, var(--bg-elev), var(--panel));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.card:hover {
  border-color: rgba(245, 166, 35, 0.55);
  transform: translateY(-2px);
  color: inherit;
}

.card h2 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.panel {
  background: rgba(18, 28, 46, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.35rem 1.4rem;
  margin: 1.25rem 0;
}

.panel h2,
article h2 {
  margin: 1.75rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.panel h2:first-child,
article h2:first-child {
  margin-top: 0;
}

article h3 {
  margin: 1.2rem 0 0.4rem;
  font-size: 1.05rem;
  color: var(--amber);
}

article ul {
  padding-left: 1.2rem;
}

article li {
  margin: 0.35rem 0;
}

.muted {
  color: var(--muted);
}

.mono {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  text-decoration: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: var(--amber);
  color: #14120b;
}

.btn-primary:hover {
  color: #14120b;
  filter: brightness(1.05);
}

.btn-ghost {
  border-color: var(--line);
  color: var(--text);
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--amber);
  color: var(--amber);
}

.site-footer {
  border-top: 1px solid rgba(139, 155, 180, 0.18);
  padding: 1.5rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
}

[data-lang-panel] {
  display: none;
}

[data-lang-panel].is-active {
  display: block;
}

@media (max-width: 560px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
  }
}