/* IMP-0025: Guardian Web corporate identity, navigation, and footer. */
.corporate-site {
  --corporate-ink: #1c292c;
  --corporate-muted: #556264;
  --corporate-accent: #276a6d;
  --corporate-line: #dce2e0;
  --corporate-paper: #fbfcfa;
  --text: var(--corporate-ink);
  --text-muted: var(--corporate-muted);
  --accent: var(--corporate-accent);
  background: var(--corporate-paper);
  color: var(--corporate-ink);
}

.corporate-site .wrap {
  max-width: 1320px;
  padding-left: 40px;
  padding-right: 40px;
}

.corporate-site a:focus-visible,
.corporate-site button:focus-visible {
  outline: 3px solid var(--corporate-accent);
  outline-offset: 5px;
}

.corporate-site [id] { scroll-margin-top: 100px; }

.corporate-nav.site-nav {
  background: rgba(251, 252, 250, .97);
  border-bottom: 1px solid var(--corporate-line);
  backdrop-filter: blur(12px);
}

.corporate-nav .nav-inner { height: 80px; }

.corporate-wordmark {
  display: inline-flex;
  align-items: baseline;
  flex-shrink: 0;
  color: var(--corporate-ink);
  font-size: 24px;
  font-weight: 750;
  letter-spacing: -1.25px;
  line-height: 1;
  text-decoration: none;
}

.corporate-wordmark > span { color: var(--corporate-accent); }
.corporate-wordmark > small {
  margin-left: 7px;
  color: var(--corporate-muted);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0;
}

.corporate-nav .nav-links { gap: 30px; }
.corporate-nav .nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0;
  color: var(--corporate-muted);
  font-size: 14px;
  font-weight: 500;
  border-radius: 0;
}
.corporate-nav .nav-links a:hover {
  background: transparent;
  color: var(--corporate-accent);
}
.corporate-nav .nav-links .corporate-contact {
  gap: 25px;
  margin-left: 8px;
  padding: 0 18px;
  color: var(--corporate-ink);
  border: 1px solid var(--corporate-line);
  border-radius: 3px;
}
.corporate-nav .hamburger {
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--corporate-line);
  border-radius: 3px;
  color: var(--corporate-ink);
  font-size: 22px;
}

.corporate-footer {
  padding-top: 54px;
  background: #eef2f0;
  border-top: 1px solid var(--corporate-line);
}
.corporate-footer-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}
.corporate-footer-identity p {
  margin-top: 20px;
  color: var(--corporate-muted);
  font-size: 14px;
  line-height: 1.7;
}
.corporate-footer-identity address {
  margin-top: 16px;
  color: var(--corporate-muted);
  font-size: 12px;
  font-style: normal;
  line-height: 1.7;
}
.corporate-footer-column { display: flex; flex-direction: column; align-items: flex-start; }
.corporate-footer-column h2 {
  margin: 0 0 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
}
.corporate-footer-column a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  color: var(--corporate-muted);
  font-size: 13px;
  text-decoration: none;
}
.corporate-footer-column a:hover,
.corporate-footer-bottom a:hover { color: var(--corporate-accent); text-decoration: underline; }
.corporate-footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding: 16px 0;
  border-top: 1px solid var(--corporate-line);
  color: var(--corporate-muted);
  font-size: 12px;
}
.corporate-footer-bottom nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.corporate-footer-bottom a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  color: inherit;
  text-decoration: none;
}

@media (max-width: 900px) {
  .corporate-site .wrap { padding-left: 24px; padding-right: 24px; }
  .corporate-nav .nav-links { gap: 22px; }
  .corporate-footer-main { grid-template-columns: 1.4fr 1fr 1fr; gap: 32px; }
  .corporate-footer-identity { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .corporate-nav .nav-inner { height: 68px; }
  .corporate-nav .nav-links {
    top: 68px;
    gap: 0;
    padding: 12px 24px 20px;
    background: var(--corporate-paper);
    border-bottom: 1px solid var(--corporate-line);
  }
  .corporate-nav .nav-links a { min-height: 48px; padding: 0 8px; }
  .corporate-nav .nav-links .corporate-contact {
    margin: 8px 0 0;
    padding: 0 12px;
    justify-content: space-between;
  }
  .corporate-footer { padding-top: 36px; }
  .corporate-footer-column a { min-height: 44px; }
  .corporate-footer-bottom a { min-height: 44px; }
}

@media (max-width: 480px) {
  .corporate-site .wrap { padding-left: 20px; padding-right: 20px; }
  .corporate-wordmark { font-size: 22px; }
  .corporate-footer-main { grid-template-columns: 1fr 1fr; gap: 28px 20px; padding-bottom: 28px; }
  .corporate-footer-identity { grid-column: 1 / -1; }
  .corporate-footer-bottom nav { gap: 0 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}