/* ════════════════════════════════════════════════════════════
   LAYOUT
   Page chrome: left rail sidebar, top bar, mobile drawer menu,
   main content wrapper, footer.
   (Show/hide of the mobile nav is handled in responsive.css)
   ════════════════════════════════════════════════════════════ */

/* ── SIDEBAR ── */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 3.4rem;
  height: 100%;
  background: rgba(6, 34, 56, 0.88);
  backdrop-filter: blur(12px);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.4rem 0;
  z-index: 200;
  transform: translateX(-100%);
  animation: slideInSidebar 0.7s 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideInSidebar {
  to {
    transform: translateX(0);
  }
}

.sidebar .mark {
  width: 100%;
  height: 1.9rem;
  padding: 0.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.42rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  border-radius: 2px;
  flex-shrink: 0;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.2rem;
  margin-top: 2.8rem;
}

.sidebar a {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s;
  position: relative;
}

.sidebar a::after {
  content: '';
  position: absolute;
  left: -8px;
  top: 0;
  width: 2px;
  height: 0;
  background: var(--gold);
  transition: height 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.sidebar a:hover::after,
.sidebar a.active::after {
  height: 100%;
}

.sidebar a:hover,
.sidebar a.active {
  color: var(--gold);
}

/* ── MAIN ── */
main {
  margin-left: 0;
}

/* ── TOP BAR ── */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2.5rem;
  /* Always compact. */
  height: 3.6rem;
  background: rgba(8, 45, 71, 0.9);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.28);
  z-index: 100;
  /* Always visible, including over the hero. */
  transform: translateY(0);
  transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.brand-logo {
  height: 2rem;
  width: auto;
}

.brand-name {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  color: var(--gold);
  font-size: clamp(1.15rem, 3.2vw, 1.85rem);
  letter-spacing: 0.03em;
  position: relative;
}

.brand-name::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--gold);
  opacity: 1;
}

.brand-sep {
  width: 1px;
  height: 0.9rem;
  background: var(--border);
  margin: 0 0.2rem;
  opacity: 0.6;
}

.brand-sub {
  font-size: 0.8rem;
  font-style: italic;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.topbar-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.topbar-nav a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

.topbar-nav a:hover,
.topbar-nav a.active {
  color: var(--gold);
}

.topbar-nav button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--muted);
  transition: color 0.2s;
  display: flex;
  align-items: center;
}

.topbar-nav button:hover {
  color: var(--gold);
}

/* ── MOBILE NAV (hamburger + drawer) ──
   Appearance lives here; it is only revealed at ≤768px
   (see responsive.css). */
.topbar .nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: none;
  cursor: pointer;
}

.topbar .nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.topbar .nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.topbar .nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.topbar .nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 150;
  background: rgba(6, 34, 56, 0.97);
  backdrop-filter: blur(14px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.mobile-nav.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav nav {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.6rem;
  height: 100%;
  padding: 2rem;
}

.mobile-nav a {
  color: var(--text);
  text-decoration: none;
  font-family: 'Cormorant Garamond', serif;
  font-size: 1.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 600;
  transition: color 0.2s;
}

.mobile-nav a:hover {
  color: var(--gold);
}

/* ═══════════════════════════════
   FOOTER
═══════════════════════════════ */
footer {
  background: var(--d5);
  border-top: 1px solid var(--border);
  padding: 4rem 4rem 2.5rem;
  position: relative;
  z-index: 6;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h4 {
  font-size: 1.2rem;
  color: var(--gold);
  margin-bottom: 0.8rem;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
}

.footer-brand p {
  font-size: 0.7rem;
  color: var(--muted);
  max-width: 22rem;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.footer-contact {
  font-size: 0.68rem;
  color: var(--muted);
  line-height: 2.2;
}

.footer-contact span {
  font-size: 0.56rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(106, 146, 170, 0.5);
  margin-right: 0.5rem;
}

.footer-col h5 {
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #fff;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.9rem;
}

.footer-col a {
  font-size: 0.7rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Keep the embedded map from overflowing narrow screens */
.footer-col iframe {
  max-width: 100%;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 0.6rem;
  color: var(--muted);
}