/* ============================================================
   layout.css — Nav, footer, hero, containers
   ============================================================ */

/* ── Container ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}

.container-prose {
  width: 100%;
  max-width: var(--container-prose);
  margin-inline: auto;
  padding-inline: 24px;
}

/* ── Sticky nav ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: rgba(11, 14, 17, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text-primary);
}

.nav-brand:hover {
  text-decoration: none;
  color: var(--color-text-primary);
}

.nav-brand img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  flex-shrink: 0;
}

.nav-wordmark {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-text-primary);
  text-decoration: none;
}

.nav-links a.active {
  color: var(--color-accent);
}

/* ── Hamburger ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text-secondary);
  border-radius: 2px;
  transition: all 0.2s;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile nav drawer ── */
.nav-mobile {
  display: none;
  flex-direction: column;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 24px 24px;
  gap: 4px;
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  transition: color 0.15s;
}

.nav-mobile a:last-child {
  border-bottom: none;
}

.nav-mobile a:hover,
.nav-mobile a.active {
  color: var(--color-accent);
  text-decoration: none;
}

/* ── Hero ── */
.hero {
  padding: 96px 0 80px;
  text-align: center;
}

.hero h1 {
  margin-bottom: 20px;
  letter-spacing: -0.03em;
}

.hero .hero-tagline {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero .hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-badge-row {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

/* ── Page hero (legal, support pages) ── */
.page-hero {
  padding: 64px 0 48px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 56px;
}

.page-hero h1 {
  font-size: var(--text-4xl);
  margin-bottom: 8px;
}

.page-hero .effective-date {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--color-border);
  background-color: var(--color-surface);
  padding: 48px 0 32px;
  margin-top: 80px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  text-decoration: none;
}

.footer-brand img {
  width: 32px;
  height: 32px;
  border-radius: 7px;
}

.footer-brand-name {
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text-primary);
}

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--lh-relaxed);
}

.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-col a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.footer-bottom-links {
  display: flex;
  gap: 20px;
}

.footer-bottom-links a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}

.footer-bottom-links a:hover {
  color: var(--color-accent);
  text-decoration: none;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .nav-hamburger {
    display: flex;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding: 64px 0 56px;
  }
}