/* ============================================================
   layout.css — Navigation, Footer, Grid, Section Wrappers
   ============================================================ */

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

.container-wide {
  max-width: var(--container-wide);
  width: 100%;
  margin-inline: auto;
  padding-inline: var(--space-xl);
}

/* ── Section Wrappers ────────────────────────────────────────── */
.section {
  padding: var(--space-4xl) 0;
}

.section-sm {
  padding: var(--space-2xl) 0;
}

.section-lg {
  padding: var(--space-5xl) 0;
}

.section-dark {
  background-color: var(--color-navy);
}

.section-mid {
  background-color: var(--color-navy-mid);
}

.section-light {
  background-color: var(--color-off-white);
}

.section-white {
  background-color: var(--color-white);
}

/* ── Grid Systems ────────────────────────────────────────────── */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

.grid-4 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.grid-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-2xl);
  }

  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }

  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
  }

  .grid-stats {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ── Flex Utilities ──────────────────────────────────────────── */
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ── Split Layout ────────────────────────────────────────────── */
.split-layout {
  display: grid;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .split-layout {
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
  }
}

.split-panel {
  padding: var(--space-4xl) var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.split-panel-dark {
  background: var(--color-navy);
  padding-top: calc(var(--nav-height) + var(--space-4xl));
}

.split-panel-light {
  background: var(--color-off-white);
  padding-top: var(--space-4xl);
}

@media (min-width: 768px) {
  .split-panel-dark {
    padding-top: calc(var(--nav-height) + var(--space-4xl));
  }
}

/* ════════════════════════════════════════════════════════════════
   NAVIGATION
   ════════════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky);
  height: var(--nav-height);
  background: var(--color-navy);
  border-bottom: 1px solid var(--color-gold-dark);
  display: flex;
  align-items: center;
}

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

/* Wordmark */
.nav-wordmark {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.nav-wordmark:hover {
  color: var(--color-gold-light);
}

.nav-wordmark.shimmer {
  animation: goldShimmer 1.5s ease forwards;
}

@keyframes goldShimmer {
  0%   { color: var(--color-gold); }
  40%  { color: var(--color-gold-light); text-shadow: 0 0 12px rgba(232,197,90,0.6); }
  100% { color: var(--color-gold); text-shadow: none; }
}

/* Desktop Nav Links */
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  padding-bottom: 4px;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
  transform: scaleX(1);
}

.nav-link.active {
  color: var(--color-gold);
}

/* Nav CTA */
.nav-cta {
  display: none;
}

/* Hamburger */
.nav-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-hamburger .bar {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-gold);
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}

.nav-hamburger[aria-expanded="true"] .bar:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.nav-hamburger[aria-expanded="true"] .bar:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-hamburger[aria-expanded="true"] .bar:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Overlay Menu */
.nav-mobile-overlay {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-sticky) - 1);
  background: var(--color-navy);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.nav-mobile-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.nav-mobile-overlay .mobile-nav-link {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.nav-mobile-overlay .mobile-nav-link:hover,
.nav-mobile-overlay .mobile-nav-link.active {
  color: var(--color-gold);
}

.nav-mobile-overlay .mobile-subscribe {
  margin-top: var(--space-xl);
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
  }

  .nav-cta {
    display: block;
  }

  .nav-hamburger {
    display: none;
  }
}

/* ════════════════════════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════════════════════════ */
.footer {
  background: var(--color-navy);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-4xl);
  padding-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}

/* Subtle stars pattern via repeating CSS */
.footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(201,161,50,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
}

.footer-inner {
  position: relative;
  z-index: 1;
}

.footer-wordmark {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.footer-wordmark-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-2xl);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.footer-wordmark-sub {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
  margin-top: var(--space-xs);
}

.footer-rule {
  height: 1px;
  background: var(--gradient-gold-h);
  opacity: 0.4;
  margin: 0 0 var(--space-3xl);
}

.footer-columns {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}

@media (min-width: 768px) {
  .footer-columns {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-lg);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer-col ul li a {
  font-family: var(--font-ui);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-col ul li a:hover {
  color: var(--color-gold);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-copyright {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.05em;
}

.footer-legal-links {
  display: flex;
  gap: var(--space-lg);
}

.footer-legal-links a {
  font-family: var(--font-ui);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
  transition: color var(--transition-fast);
}

.footer-legal-links a:hover {
  color: var(--color-gold);
}

/* Social Icons */
.social-links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.55);
  font-size: var(--text-sm);
  font-family: var(--font-ui);
  transition: all var(--transition-fast);
  text-decoration: none;
  font-weight: 500;
}

.social-link:hover {
  border-color: var(--color-gold);
  color: var(--color-gold);
  background: var(--color-gold-alpha);
}