:root {
  color-scheme: light dark;
  --font-display: "Epilogue", sans-serif;
  --font-body: "Plus Jakarta Sans", sans-serif;

  --fg: #0e191b;
  --muted: #6b7280;
  --bg: #f6f7f9;
  --bg-accent: #eef0f2;
  --card: rgba(255, 255, 255, 0.82);
  --card-strong: rgba(255, 255, 255, 0.96);
  --border: rgba(18, 137, 161, 0.1);
  --shadow: 0 20px 60px rgba(18, 137, 161, 0.08);
  --pill: #d5f5f6;
  --accent: #1289a1;
  --accent-soft: #0e6b7d;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #f6f7f9;
    --muted: #b5bcc6;
    --bg: #1a1f23;
    --bg-accent: #242a30;
    --card: rgba(36, 42, 48, 0.82);
    --card-strong: rgba(36, 42, 48, 0.96);
    --border: rgba(128, 222, 234, 0.1);
    --shadow: 0 24px 72px rgba(0, 0, 0, 0.35);
    --pill: #1f343b;
    --accent: #80deea;
    --accent-soft: #22d3ee;
  }
}
body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--fg);
  background: var(--bg);
  margin: 0;
  padding: 2rem 1.25rem 4rem;
  position: relative;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at top left, rgba(18, 137, 161, 0.1), transparent 32%),
    radial-gradient(circle at top right, rgba(34, 211, 238, 0.06), transparent 26%),
    linear-gradient(180deg, var(--bg-accent), var(--bg) 30%);
  z-index: -1;
}
main {
  max-width: 42rem;
  margin: 0 auto;
}
h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.75rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 0.25rem;
}
.meta {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
}
h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  margin: 2rem 0 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
}
h2:first-of-type {
  border-top: none;
  padding-top: 0;
}
p,
ul {
  margin: 0 0 1rem;
}
ul {
  padding-left: 1.25rem;
}
a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
a:hover {
  color: var(--accent-soft);
}
footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
}
footer a {
  color: var(--muted);
}
footer a:hover {
  color: var(--accent);
}
.lang-switch {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
}
.lang-switch a {
  margin: 0 0.35rem;
  color: var(--muted);
}
.lang-switch a:hover {
  color: var(--accent);
}
.lang-switch strong {
  color: var(--fg);
  font-weight: 600;
}
.lang-switch span {
  margin: 0 0.25rem;
  opacity: 0.5;
}
.support-page h1 {
  margin-bottom: 1rem;
}
.support-page footer {
  margin-top: 2rem;
}