/* Theme: CHIRP-Go colours plus the PublicDocs home page layout (docs/architecture.md, Design). */
:root {
  --accent: #2962ff;
  --accent-dark: #16233d;
  --ink: #1a1a1a;
  --muted: #5b5b5b;
  --line: #e8e8e8;
  --panel: #fafafa;
  --bg-dark: #0c1015;
  --hero-text: #b9c4cf;
}

* {
  box-sizing: border-box;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  margin: 0;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
}

a {
  color: inherit;
}

/* Header */
.site-header {
  background: var(--bg-dark);
  padding: 0.9rem 1.25rem;
}
.site-header .brand {
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
}

/* Hero */
.hero {
  background: var(--bg-dark);
  color: #fff;
  padding: 3rem 1.25rem 3.5rem;
  text-align: center;
}
.hero h1 {
  font-size: 2.2rem;
  margin: 0 0 0.6rem;
  letter-spacing: -0.02em;
}
.hero p {
  font-size: 1.1rem;
  color: var(--hero-text);
  margin: 0 auto;
  max-width: 560px;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

/* App cards */
.apps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  --card-accent: var(--accent);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  transition:
    box-shadow 0.15s ease,
    transform 0.15s ease;
}
.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  transform: translateY(-2px);
}
.card--n7500 {
  --card-accent: #1b8f42;
}
.card--chirpgo {
  --card-accent: #2962ff;
}
.card--pistardash {
  --card-accent: #2e7d32;
}
.card--book {
  --card-accent: #c2410c;
}

.card .top {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.card img.icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.card img.cover {
  width: 44px;
  height: auto;
  border-radius: 3px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}
.card h2 {
  font-size: 1.25rem;
  margin: 0;
  letter-spacing: -0.01em;
}

.status {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  width: fit-content;
}
.status--dev {
  background: #fff3d6;
  color: #8a5a00;
}
.status--testing {
  background: #dbeafe;
  color: #1d4ed8;
}

.card .desc {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0.2rem 0 0.4rem;
  flex-grow: 1;
}

.card .links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1rem;
  font-size: 0.9rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line);
}
.card .links a {
  color: var(--card-accent);
  text-decoration: none;
  font-weight: 500;
}
.card .links a:hover,
.card .links a:focus-visible {
  text-decoration: underline;
}

/* Footer */
.site-footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 0 1.25rem 3rem;
}