/* Site navigation — hamburger button + inline glass dropdown panel.
 * Shared between index.html and interior.html.
 * Markup is generated by <casa-nav> (see js/casa-nav.js).
 */

/* ===== HAMBURGER BUTTON ===== */
.nav-toggle {
  position: fixed;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 110;
  width: 46px;
  height: 46px;
  background: rgba(253, 251, 247, 0.7);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 50%;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.35s ease, border-color 0.35s ease;
  padding: 0;
}

.nav-toggle.over-hero {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.25);
}

.nav-toggle:hover { background: rgba(253, 251, 247, 0.95); }
.nav-toggle.over-hero:hover { background: rgba(255,255,255,0.16); }

.nav-toggle .bars {
  position: relative;
  width: 20px;
  height: 12px;
}

.nav-toggle .bars span {
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--charcoal);
  transition: transform 0.35s ease, opacity 0.2s ease, top 0.35s ease, background 0.35s ease;
}

.nav-toggle .bars span:nth-child(1) { top: 0; }
.nav-toggle .bars span:nth-child(2) { top: 5px; width: 14px; }
.nav-toggle .bars span:nth-child(3) { top: 10px; }

.nav-toggle.over-hero .bars span { background: #fff; }

/* When menu is open — morph hamburger into X */
body.nav-open .nav-toggle .bars span { background: var(--charcoal); }
body.nav-open .nav-toggle .bars span:nth-child(1) { top: 5px; transform: rotate(45deg); }
body.nav-open .nav-toggle .bars span:nth-child(2) { opacity: 0; }
body.nav-open .nav-toggle .bars span:nth-child(3) { top: 5px; width: 20px; transform: rotate(-45deg); }
body.nav-open .nav-toggle { background: rgba(253,251,247,0.95); border-color: rgba(0,0,0,0.08); }

/* ===== INLINE DROPDOWN PANEL ===== */
.nav-panel {
  position: fixed;
  top: 1.5rem;
  left: 1.5rem;
  z-index: 105;
  width: 300px;
  max-width: calc(100vw - 3rem);
  background: rgba(253, 251, 247, 0.92);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.6);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.75),
    0 24px 60px -14px rgba(40, 30, 20, 0.25),
    0 6px 20px rgba(40, 30, 20, 0.06);
  padding: 4rem 0 0.6rem;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px) scale(0.98);
  transform-origin: top left;
  transition: opacity 0.28s ease, transform 0.28s ease;
}

body.nav-open .nav-panel {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

/* Brand block at top of panel */
.panel-brand {
  display: block;
  padding: 0 1.4rem 1rem;
  margin: 0 1.4rem 0.6rem;
  border-bottom: 1px solid rgba(0,0,0,0.07);
  text-decoration: none;
  color: var(--charcoal);
  transition: color 0.2s;
}

.panel-brand:hover { color: var(--terracotta); }

.panel-brand .brand-mark {
  display: block;
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 1.65rem;
  line-height: 1;
  letter-spacing: 0.02em;
  margin-left: -1.4rem;
}

.panel-brand .brand-mark em {
  font-style: normal;
  color: var(--terracotta);
  font-weight: 500;
}

.panel-brand .brand-sub {
  display: block;
  margin-left: -1.4rem;
  margin-top: 0.5rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(44,44,44,0.45);
}

/* Menu link list */
.panel-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.panel-links a {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  padding: 0.7rem 1.4rem;
  text-decoration: none;
  color: var(--charcoal);
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 1.1rem;
  line-height: 1.2;
  transition: background 0.2s ease, color 0.2s ease, padding-left 0.2s ease;
}

.panel-links a .num {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--terracotta);
  opacity: 0.55;
  flex-shrink: 0;
  transform: translateY(-0.25em);
}

.panel-links a:hover {
  background: rgba(196, 112, 75, 0.08);
  color: var(--terracotta);
  padding-left: 1.6rem;
}

.panel-links a.active {
  color: var(--terracotta);
  background: rgba(196, 112, 75, 0.1);
}

.panel-links a.active .num { opacity: 1; }

.panel-links a em {
  font-style: italic;
  color: var(--terracotta);
  font-weight: 400;
}

/* Panel foot — meta + language toggle */
.panel-foot {
  margin-top: 0.6rem;
  padding: 0.9rem 1.4rem 1rem;
  border-top: 1px solid rgba(0,0,0,0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.panel-foot .panel-meta {
  font-family: 'DM Sans', sans-serif;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(44,44,44,0.4);
  line-height: 1.4;
}

.panel-lang {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.panel-lang .lang-btn {
  background: none;
  border: none;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: rgba(44,44,44,0.4);
  cursor: pointer;
  padding: 0.3rem 0.45rem;
  transition: color 0.2s;
}
.panel-lang .lang-btn.active { color: var(--terracotta); }
.panel-lang .lang-btn:hover  { color: var(--charcoal); }
.panel-lang .sep             { color: rgba(44,44,44,0.18); font-size: 0.65rem; }

@media (max-width: 640px) {
  .nav-toggle { top: 1rem; left: 1rem; width: 42px; height: 42px; }
  .nav-panel  { top: 1rem; left: 1rem; width: calc(100vw - 2rem); padding-top: 3.6rem; }
}