/* Prospia Lab: tiny static test site. Mobile-first, light theme. */
:root {
  --brand: #6d4aff;
  --brand-dark: #4f2fe0;
  --ink: #17151f;
  --muted: #5d5a6b;
  --line: #e6e3f0;
  --bg: #ffffff;
  --soft: #f6f4ff;
}

* { box-sizing: border-box; }

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

a { color: var(--brand-dark); }

.wrap { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }

.top {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}
.top .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding-block: 0.9rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
}
.logo img { width: 28px; height: 28px; }
.nav { display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.95rem; }
.nav a { color: var(--muted); text-decoration: none; }
.nav a[aria-current="page"], .nav a:hover { color: var(--ink); }

.notice {
  background: var(--soft);
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--muted);
}
.notice .wrap { padding-block: 0.6rem; }

main .wrap { padding-block: 2.5rem 3rem; }

h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 1rem; }
h2 { font-size: 1.3rem; margin: 2rem 0 0.6rem; }
p, li { color: #2c2a36; }
.lead { font-size: 1.1rem; color: var(--muted); }
.meta { font-size: 0.9rem; color: var(--muted); margin-top: -0.5rem; }

.cards { display: grid; gap: 1rem; margin-top: 1.5rem; }
@media (min-width: 640px) { .cards { grid-template-columns: 1fr 1fr; } }
.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1rem 1.1rem;
}
.card h2 { margin-top: 0; font-size: 1.05rem; }

.foot {
  border-top: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--muted);
}
.foot .wrap { padding-block: 1.25rem; }