/* DaiDai Pulse static site — minimal, mobile-friendly */
:root {
  --bg: #0b0d0c;
  --bg-card: #14181a;
  --text: #f5f7f4;
  --text-muted: #98a2a0;
  --accent: #a4d65e;
  --accent-strong: #6fb44e;
  --border: #1f2526;
  --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;
}

body {
  padding: 32px 20px 64px;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
}

header.site-header {
  border-bottom: 1px solid var(--border);
  padding-bottom: 16px;
  margin-bottom: 32px;
}

.site-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin: 0;
}

.site-title a {
  color: var(--text);
  text-decoration: none;
}

.site-tagline {
  margin: 6px 0 0;
  color: var(--text-muted);
  font-size: 14px;
}

nav.site-nav {
  margin-top: 14px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

nav.site-nav a {
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

nav.site-nav a:hover {
  text-decoration: underline;
}

h1, h2, h3 {
  letter-spacing: -0.01em;
  line-height: 1.25;
}

h1 { font-size: 28px; margin: 0 0 12px; }
h2 { font-size: 20px; margin: 32px 0 10px; }
h3 { font-size: 16px; margin: 24px 0 8px; }

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

ul, ol {
  padding-left: 22px;
}

li {
  margin: 4px 0;
}

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

code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, monospace;
  font-size: 13px;
  background: var(--bg-card);
  padding: 1px 5px;
  border-radius: 4px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin: 18px 0;
}

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

.lede { font-size: 17px; color: var(--text-muted); margin-bottom: 24px; }

footer.site-footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
}

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

.feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 18px 0 24px;
}

@media (min-width: 560px) {
  .feature-grid { grid-template-columns: 1fr 1fr; }
}

.feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
}

.feature-title {
  font-weight: 700;
  margin: 0 0 4px;
  font-size: 15px;
}

.feature-body {
  margin: 0;
  font-size: 14px;
  color: var(--text-muted);
}