/* ==========================================
   HOTEL BUDDHA LAND — HEADER & NAVIGATION
   ========================================== */

header#hd {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  color: #ffffff;
  transition: background-color var(--t-normal), color var(--t-normal), border-color var(--t-normal), box-shadow var(--t-normal);
  border-bottom: 1px solid transparent;
  padding-top: env(safe-area-inset-top, 0);
  height: var(--header-height);
  display: flex;
  align-items: center;
}

/* Scrolled / Solid Header State */
header#hd.solid {
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--ink);
  border-color: var(--line);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.03);
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  font-family: var(--font-serif);
  font-size: clamp(20px, 2.5vw, 24px);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  color: inherit;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.logo span.sub-logo {
  font-family: var(--font-sans);
  font-size: 10px;
  letter-spacing: 0.25em;
  opacity: 0.85;
  display: block;
}

/* Desktop Navigation */
nav ul {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 36px;
  align-items: center;
}

nav a.n {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 400;
  position: relative;
  padding: 8px 0;
  transition: opacity var(--t-fast);
}

nav a.n::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 2px;
  height: 1px;
  width: 100%;
  background-color: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--t-fast);
}

nav a.n:hover::after,
nav a.n.active::after {
  transform: scaleX(1);
}

/* Header Action Button */
header#hd .btn-buddha {
  padding: 10px 24px;
  min-height: 44px;
  font-size: 11px;
  border-color: #ffffff;
  background-color: transparent;
  color: #ffffff;
}

header#hd .btn-buddha:hover {
  background-color: #ffffff;
  color: var(--ink);
}

header#hd.solid .btn-buddha {
  background-color: var(--ink);
  color: #ffffff;
  border-color: var(--ink);
}

header#hd.solid .btn-buddha:hover {
  background-color: transparent;
  color: var(--ink);
}

/* Mobile Menu Button Trigger */
.menu-btn {
  background: none;
  border: 0;
  color: inherit;
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  min-width: 48px;
  min-height: 48px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

@media (min-width: 960px) {
  nav ul { display: flex; }
  .menu-btn { display: none; }
}

@media (max-width: 959px) {
  header .bar > .btn-buddha { display: none; }
}

/* Full-Screen Mobile Navigation Overlay */
#mm {
  position: fixed;
  inset: 0;
  background-color: var(--bg-dark);
  color: #ffffff;
  z-index: 60;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 40px var(--pad);
  visibility: hidden;
  opacity: 0;
  transition: opacity var(--t-normal), visibility var(--t-normal);
}

#mm.open {
  visibility: visible;
  opacity: 1;
}

#mm .mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#mm a.m {
  font-family: var(--font-serif);
  font-size: clamp(36px, 8vw, 56px);
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.85);
  transition: color var(--t-fast), transform var(--t-fast);
  display: inline-block;
}

#mm a.m:hover, #mm a.m:focus {
  color: #ffffff;
  transform: translateX(8px);
}

#mm .sub-contact {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--line-dark);
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

#mm .sub-contact a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.7);
}

#mm .sub-contact a:hover {
  color: #ffffff;
}

#mm .x-close {
  position: absolute;
  top: calc(20px + env(safe-area-inset-top, 0));
  right: var(--pad);
  background: none;
  border: none;
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px;
}