/* PrepTen — shared styles for content/info pages (legal, about, contact, blog).
   Self-contained: does NOT depend on the interview app's styles.css. */

:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --accent: #8b5cf6;
  --ink: #1e293b;
  --muted: #64748b;
  --bg: #f8fafc;
  --card: #ffffff;
  --line: #e5e7eb;
  --dark: #0f0f1a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

/* ---------- Top navigation ---------- */
.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
}
.topnav .brand {
  font-weight: 800;
  font-size: 1.15rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.topnav .brand span { background: linear-gradient(135deg, #818cf8, #c4b5fd); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.topnav nav { display: flex; gap: 22px; flex-wrap: wrap; }
.topnav nav a { color: #cbd5e1; font-weight: 500; font-size: 0.95rem; }
.topnav nav a:hover { color: #fff; text-decoration: none; }

/* ---------- Page hero ---------- */
.page-hero {
  background: linear-gradient(135deg, #4f46e5 0%, #8b5cf6 100%);
  color: #fff;
  padding: 56px 24px 48px;
  text-align: center;
}
.page-hero h1 { font-size: 2.2rem; font-weight: 800; margin-bottom: 8px; }
.page-hero p { opacity: 0.9; font-size: 1.05rem; max-width: 680px; margin: 0 auto; }

/* ---------- Content container ---------- */
.container {
  max-width: 820px;
  margin: -28px auto 48px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 40px 44px;
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.06);
}
.container h2 { font-size: 1.4rem; margin: 28px 0 12px; color: var(--ink); }
.container h2:first-child { margin-top: 0; }
.container h3 { font-size: 1.1rem; margin: 20px 0 8px; }
.container p, .container li { color: #334155; margin-bottom: 12px; }
.container ul, .container ol { margin: 0 0 12px 22px; }
.container li { margin-bottom: 6px; }
.container .muted { color: var(--muted); font-size: 0.92rem; }
.container .updated { color: var(--muted); font-size: 0.9rem; margin-bottom: 24px; display: block; }
.container strong { color: var(--ink); }

/* ---------- Simple contact form ---------- */
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.95rem; }
.form-row input, .form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  font: inherit;
  background: #fff;
}
.form-row textarea { min-height: 130px; resize: vertical; }
.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  font-weight: 700;
  padding: 13px 26px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-size: 1rem;
}
.btn:hover { opacity: 0.92; text-decoration: none; }

/* ---------- Blog cards ---------- */
.blog-grid {
  max-width: 980px;
  margin: -28px auto 48px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
  padding: 0 24px;
}
.blog-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 8px 24px rgba(2, 6, 23, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(2, 6, 23, 0.1); }
.blog-card .tag { display: inline-block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--primary); background: rgba(99, 102, 241, 0.1); padding: 4px 10px; border-radius: 999px; margin-bottom: 12px; }
.blog-card h3 { font-size: 1.12rem; margin-bottom: 8px; }
.blog-card h3 a { color: var(--ink); }
.blog-card p { color: var(--muted); font-size: 0.95rem; margin-bottom: 14px; }
.blog-card .read { font-weight: 600; font-size: 0.9rem; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--dark);
  color: #cbd5e1;
  padding: 40px 24px 24px;
}
.site-footer .cols {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 32px;
  justify-content: space-between;
}
.site-footer .col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 12px; }
.site-footer .col a { display: block; color: #94a3b8; font-size: 0.9rem; margin-bottom: 7px; }
.site-footer .col a:hover { color: #fff; text-decoration: none; }
.site-footer .brand-blurb { max-width: 280px; }
.site-footer .brand-blurb strong { color: #fff; }
.site-footer .copyright {
  max-width: 980px;
  margin: 28px auto 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
  color: #64748b;
  text-align: center;
}

@media (max-width: 600px) {
  .container { margin: -20px 14px 32px; padding: 28px 20px; }
  .page-hero h1 { font-size: 1.7rem; }
  .topnav { padding: 12px 16px; }
  .topnav nav { gap: 14px; }
}