/* ==========================================================================
   13-glassmorphism | layout.css
   Architecture-specific LAYOUT ONLY — no colors, fonts, or visual decoration.
   Glass-effect panels with backdrop-filter blur layering.
   ========================================================================== */

/* ---------- Glass Background ---------- */
.glass-body {
  position: relative;
  min-height: 100vh;
}

.glass-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.glass-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.glass-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

/* ---------- Glass Main (above background) ---------- */
.glass-main {
  position: relative;
  z-index: 1;
}

/* ---------- Glass Header ---------- */
.glass-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.5rem 2rem;
}

.glass-header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
}

.glass-header .nav-list {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.glass-header .mobile-toggle {
  display: none;
}

/* ---------- Glass Panel (core layout) ---------- */
.glass-panel {
  position: relative;
  z-index: 2;
  padding: 2rem;
  overflow: hidden;
}

.glass-panel--nav {
  padding: 0.75rem 1.5rem;
}

/* ---------- Glass Panel Variants ---------- */
.glass-panel--hero {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 4rem 3rem;
}

.glass-panel--centered {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem;
}

.glass-panel--cta {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 4rem 3rem;
}

.glass-panel--prose {
  max-width: 800px;
  margin: 0 auto;
}

.glass-panel--footer {
  max-width: 100%;
  padding: 0;
}

.glass-panel--wide {
  flex: 2;
}

.glass-panel--image {
  flex: 1;
  padding: 0;
  overflow: hidden;
}

.glass-panel--image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.glass-panel--full-image {
  max-width: 1200px;
  margin: 0 auto;
  flex: none;
}

/* ---------- Glass Panel Row (side by side) ---------- */
.glass-panel-row {
  display: flex;
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* ---------- Glass Panel Grid ---------- */
.glass-panel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.glass-panel-grid--2col {
  grid-template-columns: repeat(2, 1fr);
}

.glass-panel--card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}

.glass-panel--card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.glass-panel--card h3,
.glass-panel--card p,
.glass-panel--card a {
  padding: 0 1.5rem;
}

.glass-panel--card h3 {
  padding-top: 1.5rem;
}

.glass-panel--card a:last-child {
  padding-bottom: 1.5rem;
}

/* ---------- Glass Section ---------- */
.glass-section {
  padding: 3rem 2rem;
  position: relative;
  z-index: 1;
}

.glass-section--hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.glass-section--cta {
  padding: 4rem 2rem;
}

.section-title {
  text-align: center;
  max-width: 1200px;
  margin: 0 auto 2rem;
}

/* ---------- Glass Actions ---------- */
.glass-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.glass-panel--hero .glass-actions,
.glass-panel--cta .glass-actions {
  justify-content: center;
}

/* ---------- Map ---------- */
.map-embed {
  width: 100%;
  min-height: 400px;
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  min-height: 400px;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  position: relative;
  z-index: 2;
}

.breadcrumb ol {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ---------- Footer Layout ---------- */
.glass-footer {
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
}

.social-links {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 1rem;
}

/* ---------- Skip Nav ---------- */
/* Defined in base.css — no override needed */

/* .sr-only — defined in base.css */

/* ---------- Responsive: Tablet ---------- */

/* ---------- Mobile Menu Toggle ---------- */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0.5rem;
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-toggle span,
.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 1024px) {
  .glass-panel-row {
    flex-direction: column;
  }

  .glass-panel-grid--2col {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- Responsive: Mobile ---------- */
@media (max-width: 640px) {
  .glass-header .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 99;
  }

  .glass-header .main-nav.is-open {
    display: block;
  }

  .glass-header .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 1rem;
  }

  .glass-header .mobile-toggle {
    display: flex;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 0.5rem;
  }

  .glass-section {
    padding: 2rem 1rem;
  }

  .glass-panel--hero,
  .glass-panel--cta {
    padding: 2.5rem 1.5rem;
  }

  .glass-panel-grid {
    grid-template-columns: 1fr;
  }

  .glass-actions {
    flex-direction: column;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}