/* ============================================================
   Heathrow Helper — Marketing / Static Pages
   About, Privacy, Terms, Contact. Header + main + footer.
   ============================================================ */

body.page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---------- Header (shared with chat) ------------------- */

.site-header {
  background: var(--brand-navy);
  color: var(--ink-inverse);
  padding: var(--space-3) var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  position: relative;
  z-index: 5;
}
.site-header::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--brand-accent-2);
  opacity: 0.55;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
}

.brand-glyph {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(201, 169, 110, 0.16);
  color: var(--brand-accent-2);
}
.brand-glyph svg { width: 18px; height: 18px; }

.brand-wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.brand-wordmark__name {
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand-wordmark__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--brand-accent-2);
  margin-top: 3px;
}

.site-header__nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.header-link {
  color: var(--ink-inverse);
  text-decoration: none;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.18);
  transition: background var(--dur-fast) var(--ease-out);
}
.header-link:hover {
  background: rgba(255, 255, 255, 0.08);
  text-decoration: none;
  opacity: 1;
}

/* ---------- Main content -------------------------------- */

.page-main {
  flex: 1;
  width: 100%;
  max-width: var(--container-page);
  margin: 0 auto;
  padding: var(--space-8) var(--space-5) var(--space-9);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
}

.page-main h1 {
  font-size: var(--text-3xl);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}
.page-main .updated {
  color: var(--ink-muted);
  font-size: var(--text-sm);
  margin-bottom: var(--space-7);
}
.page-main h2 {
  font-size: var(--text-xl);
  margin-top: var(--space-7);
  margin-bottom: var(--space-3);
}
.page-main p {
  margin: var(--space-3) 0;
  color: var(--ink-body);
}
.page-main ul {
  padding-left: var(--space-5);
  margin: var(--space-3) 0;
}
.page-main li {
  margin: var(--space-2) 0;
  color: var(--ink-body);
}
.page-main strong { color: var(--ink-strong); }

/* ---------- Footer -------------------------------------- */

.site-footer {
  background: var(--brand-navy);
  color: rgba(245, 241, 234, 0.62);
  padding: var(--space-5) var(--space-5);
  text-align: center;
  font-size: var(--text-xs);
  line-height: var(--leading-relaxed);
}
.site-footer strong { color: var(--ink-inverse); font-weight: 600; }
.site-footer__nav {
  margin-top: var(--space-2);
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.site-footer__nav a {
  color: var(--ink-inverse);
  text-decoration: none;
  opacity: 0.78;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.site-footer__nav a:hover { opacity: 1; text-decoration: underline; }

/* ---------- Responsive ---------------------------------- */

@media (max-width: 720px) {
  .page-main {
    padding: var(--space-6) var(--space-4) var(--space-7);
  }
  .page-main h1 { font-size: var(--text-2xl); }
  .site-header { padding: var(--space-3) var(--space-4); }
  .brand-wordmark__sub { display: none; }
}