/* A3tick website. Brand tokens match the desktop client (apps/desktop/src/styles.css). */
:root {
  color-scheme: light dark;
  --gt-bg: #f5f5f8;
  --gt-panel: #ffffff;
  --gt-border: #e3e3ea;
  --gt-text: #202126;
  --gt-muted: #62656f;
  --gt-accent: #6b4fe0;
  --gt-accent-text: #ffffff;
  --gt-radius: 14px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-color-scheme: dark) {
  :root {
    --gt-bg: #121318;
    --gt-panel: #1a1c23;
    --gt-border: #2c2e37;
    --gt-text: #f2f3f7;
    --gt-muted: #9a9fb1;
    --gt-accent: #ac97ff;
    --gt-accent-text: #15122a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--gt-bg);
  color: var(--gt-text);
}

main {
  flex: 1;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

a { color: var(--gt-accent); }

.topbar {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
}
.logo img { border-radius: 8px; }
.topbar nav { display: flex; gap: 20px; }
.topbar nav a { color: var(--gt-muted); text-decoration: none; }
.topbar nav a:hover { color: var(--gt-text); }

.hero { padding: 72px 0 40px; }
.eyebrow {
  display: inline-block;
  margin: 0 0 16px;
  padding: 2px 12px;
  border: 1px solid color-mix(in srgb, var(--gt-accent) 40%, transparent);
  border-radius: 999px;
  color: var(--gt-accent);
  font-size: 14px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(32px, 6vw, 52px);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.lead {
  max-width: 560px;
  margin: 20px 0 0;
  color: var(--gt-muted);
  font-size: 18px;
}

.download {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  padding: 24px 0 56px;
}
.download__card {
  display: grid;
  align-content: start;
  gap: 20px;
  padding: 24px;
  border: 1px solid var(--gt-border);
  border-radius: var(--gt-radius);
  background: var(--gt-panel);
}
.download__card--muted { opacity: 0.75; }
.download__platform { display: flex; gap: 14px; align-items: center; }
.download__platform h2 { margin: 0; font-size: 18px; }
.download__platform p { margin: 0; color: var(--gt-muted); font-size: 14px; }
.download__meta { margin: -8px 0 0; color: var(--gt-muted); font-size: 13px; }

.button {
  display: inline-flex;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--gt-accent);
  color: var(--gt-accent-text);
  font-weight: 600;
  text-decoration: none;
}
.button:hover { filter: brightness(1.08); }
.button:focus-visible { outline: 2px solid var(--gt-accent); outline-offset: 3px; }
.button[aria-disabled="true"] {
  background: transparent;
  border: 1px solid var(--gt-border);
  color: var(--gt-muted);
  font-weight: 500;
  pointer-events: none;
}

.install { padding: 0 0 72px; }
.install h2 { margin: 0 0 20px; font-size: 22px; }
.install ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}
.install li { counter-increment: step; }
.install li::before {
  content: counter(step);
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-bottom: 10px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--gt-accent) 14%, transparent);
  color: var(--gt-accent);
  font-weight: 600;
  font-size: 14px;
}
.install h3 { margin: 0 0 4px; font-size: 16px; }
.install p { margin: 0; color: var(--gt-muted); font-size: 14px; }

.footer {
  padding: 24px;
  border-top: 1px solid var(--gt-border);
  color: var(--gt-muted);
  font-size: 13px;
  text-align: center;
}
.footer p { margin: 0; }
.footer a { color: inherit; }