/* Shared styles for the Sprinkler Studio support website. */

:root {
  --bg: #f5f8fb;
  --surface: #ffffff;
  --surface-muted: #e9eff5;
  --border: #d5dee7;
  --text: #0f141b;
  --text-muted: #566270;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #0891b2;
  --warning: #d89234;
  --max-width: 720px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 20px 80px;
}

.hero {
  background: linear-gradient(160deg, #3b82f6 0%, #1d4ed8 100%);
  color: #fff;
  padding: 64px 20px 40px;
  text-align: center;
}
.hero img.icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  margin-bottom: 20px;
}
.hero h1 {
  margin: 0 0 8px;
  font-size: 36px;
  letter-spacing: -0.5px;
  font-weight: 700;
}
.hero p {
  margin: 0;
  font-size: 18px;
  opacity: 0.9;
}

nav.top {
  display: flex;
  gap: 20px;
  justify-content: center;
  padding: 14px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
nav.top a { color: var(--text-muted); font-weight: 600; }
nav.top a:hover { color: var(--primary); text-decoration: none; }

h2 {
  font-size: 22px;
  letter-spacing: -0.3px;
  margin-top: 36px;
  margin-bottom: 12px;
}

h3 {
  font-size: 17px;
  margin-top: 24px;
  margin-bottom: 6px;
}

p, ul, ol { margin-top: 0; margin-bottom: 14px; }

ul, ol { padding-left: 22px; }
li { margin-bottom: 6px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 14px;
}

.callout {
  background: var(--surface-muted);
  border-left: 4px solid var(--primary);
  border-radius: 8px;
  padding: 14px 18px;
  margin: 18px 0;
}
.callout.warning {
  border-left-color: var(--warning);
}

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

footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 13px;
}
footer a { color: var(--text-muted); }

code {
  background: var(--surface-muted);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.92em;
}

@media (max-width: 540px) {
  .hero { padding: 48px 18px 32px; }
  .hero h1 { font-size: 28px; }
  .hero p { font-size: 16px; }
  main { padding: 16px 16px 60px; }
  h2 { font-size: 19px; }
}