/* ============================================================
   NABUGABO HOLIDAY CENTER — HEADER STYLES
   Transparent → frosted glass on scroll. Nature-inspired nav.
   ============================================================ */

/* ── SITE HEADER ── */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  height: 72px;
  display: flex;
  align-items: center;
  transition: background var(--duration-slow) var(--ease-standard),
              box-shadow var(--duration-slow) var(--ease-standard),
              height var(--duration-base) var(--ease-standard);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent;
  transition: background var(--duration-slow) var(--ease-standard);
  z-index: -1;
}

.site-header.scrolled {
  height: 64px;
  box-shadow: 0 2px 24px rgba(45,41,38,0.15);
}

.site-header.scrolled::before {
  background: rgba(30, 25, 20, 0.88);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.site-header--light {
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
}

.site-header--light::before {
  background: var(--bg-surface);
}

/* ── HEADER INNER ── */
.header-inner {
  width: 100%;
  max-width: var(--container-2xl);
  margin-inline: auto;
  padding-inline: var(--padding-page);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

/* ── LOGO ── */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo__mark {
  width: 40px;
  height: 40px;
  background: var(--gradient-lake);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: var(--weight-bold);
  color: white;
  letter-spacing: -1px;
  flex-shrink: 0;
}

/* Logo image (JPG) */
.site-logo img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 8px;
  background: white;
  flex-shrink: 0;
}

.site-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.site-logo__name {
  font-family: var(--font-display);
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  color: var(--text-inverse);
  letter-spacing: -0.01em;
}

.site-logo__tagline {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: var(--weight-medium);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}

.site-header--light .site-logo__name    { color: var(--color-lake-deep); }
.site-header--light .site-logo__tagline { color: var(--color-mid); }

/* ── MAIN NAV ── */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-md);
  transition: color var(--duration-fast) var(--ease-standard),
              background var(--duration-fast) var(--ease-standard);
  position: relative;
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: white;
  background: rgba(255,255,255,0.10);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: var(--space-3);
  right: var(--space-3);
  height: 2px;
  background: var(--color-sand-warm);
  border-radius: var(--radius-pill);
  transform: scaleX(0);
  transition: transform var(--duration-fast) var(--ease-spring);
}

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

/* ── DROPDOWN ── */
/* CSS targets BOTH .nav-item (design system) and .has-dropdown (actual HTML) */
.nav-item,
.has-dropdown { position: relative; }

/* The actual <ul class="dropdown"> used in markup */
.dropdown,
.nav-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  min-width: 200px;
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(0,0,0,0.08);
  padding: var(--space-2);
  list-style: none;
  margin: 0;
  /* Hidden by default */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(-8px);
  transition: opacity var(--duration-base) var(--ease-standard),
              transform var(--duration-base) var(--ease-spring),
              visibility var(--duration-base) var(--ease-standard);
  z-index: 9999;
}

/* Show on hover / focus-within */
.nav-item:hover .nav-dropdown,
.nav-item:focus-within .nav-dropdown,
.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown,
.has-dropdown.open .dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* Links inside the dropdown */
.dropdown a,
.nav-dropdown__link {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast), color var(--duration-fast);
  text-decoration: none;
  white-space: nowrap;
}

.dropdown a:hover,
.nav-dropdown__link:hover {
  background: rgba(74,29,138,0.07);
  color: var(--color-lake-mid);
}

.nav-dropdown__link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast), color var(--duration-fast);
}

.nav-dropdown__link:hover {
  background: var(--color-sand-pale);
  color: var(--color-lake-mid);
}

.nav-dropdown__link-icon {
  width: 20px;
  height: 20px;
  opacity: 0.6;
  flex-shrink: 0;
}

/* ── HEADER ACTIONS ── */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.header-icon-btn {
  position: relative;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.85);
  transition: background var(--duration-fast), color var(--duration-fast);
  text-decoration: none;
}

.header-icon-btn:hover {
  background: rgba(255,255,255,0.12);
  color: white;
}

.header-icon-btn svg { width: 20px; height: 20px; }

/* ── MOBILE TOGGLE ── */
/* The <button class="hamburger"> is the touch target (40×40).
   The three <span>s inside draw the icon lines. */
.nav-toggle,
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  color: rgba(255,255,255,0.85);
  transition: background var(--duration-fast);
  border: none;
  background: none;
  cursor: pointer;
  flex-shrink: 0;
  padding: 0;
  position: relative;
}

.nav-toggle:hover,
.hamburger:hover {
  background: rgba(255,255,255,0.12);
}

/* The three lines inside the hamburger button */
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform var(--duration-base) var(--ease-spring),
              opacity var(--duration-fast),
              width var(--duration-base) var(--ease-spring);
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.hamburger span:nth-child(1) { top: 12px; }
.hamburger span:nth-child(2) { top: 19px; width: 16px; }
.hamburger span:nth-child(3) { top: 26px; }

/* ── MOBILE MENU ── */
/* The main <nav class="main-nav"> acts as mobile drawer on small screens */
.mobile-menu {
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(26, 23, 20, 0.97);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  z-index: calc(var(--z-header) - 1);
  padding: var(--space-8) var(--padding-page);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-spring);
}

.mobile-menu.open {
  transform: translateX(0);
}

/* ── NAV LIST — flat list, no bullets ── */
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  /* Show hamburger */
  .hamburger,
  .nav-toggle {
    display: flex !important;
  }

  /* Hide desktop nav by default on mobile */
  .main-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 23, 20, 0.98);
    z-index: 9998;
    padding: 2rem 1.5rem;
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
  }

  /* Show nav when open class is applied */
  .main-nav.open {
    display: flex;
  }

  /* Stack nav list vertically */
  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-link {
    font-size: var(--text-xl);
    padding: var(--space-4);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    color: rgba(255,255,255,0.9) !important;
  }

  /* Mobile dropdowns: show inline, not floating */
  .has-dropdown .dropdown {
    position: static;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: none !important;
    box-shadow: none;
    border: none;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-4);
    margin-top: var(--space-2);
    display: none;
  }

  .has-dropdown.open .dropdown {
    display: block;
  }

  .dropdown a {
    color: rgba(255,255,255,0.7) !important;
    font-size: var(--text-base);
    padding: var(--space-3) var(--space-2);
  }

  .dropdown a:hover {
    color: var(--color-sand-warm) !important;
    background: transparent;
  }

  /* Hide Book Now button from header actions on mobile (shown in mobile menu) */
  .header-actions .btn {
    display: none;
  }
  .header-actions .hamburger,
  .header-actions .nav-toggle {
    display: flex !important;
  }
}

@media (min-width: 1025px) {
  /* Ensure hamburger is hidden on desktop */
  .hamburger,
  .nav-toggle {
    display: none !important;
  }
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.mobile-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-lg);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background var(--duration-fast), color var(--duration-fast);
  text-decoration: none;
}

.mobile-nav__link:hover,
.mobile-nav__link.active {
  background: rgba(255,255,255,0.06);
  color: var(--color-sand-warm);
}

.mobile-nav__group { margin-top: var(--space-6); padding-top: var(--space-6); border-top: 1px solid rgba(255,255,255,0.08); }
.mobile-nav__label { font-size: var(--text-xs); letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-bottom: var(--space-3); padding-left: var(--space-4); }

/* ── HEADER LIGHT VARIANT (non-hero pages) ── */
.site-header--light .nav-link { color: var(--text-secondary); }
.site-header--light .nav-link:hover,
.site-header--light .nav-link.active { color: var(--color-lake-mid); background: rgba(74,29,138,0.06); }
.site-header--light .header-icon-btn { color: var(--text-secondary); }
.site-header--light .header-icon-btn:hover { background: var(--color-pale); color: var(--color-lake-mid); }
.site-header--light .nav-toggle { color: var(--text-secondary); }

/* ── MOBILE NAV AUTH BUTTONS (injected by header.js) ── */
.mobile-nav-auth {
  display: none;
}

@media (max-width: 1024px) {
  .mobile-nav-auth {
    display: block;
    margin-top: var(--space-6);
    padding-top: var(--space-6);
    border-top: 1px solid rgba(255,255,255,0.1);
    list-style: none;
  }

  .mobile-nav-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
  }

  .mobile-sign-in-btn {
    color: rgba(255,255,255,0.9) !important;
    border: 1px solid rgba(255,255,255,0.2) !important;
    text-align: center;
    font-size: var(--text-base) !important;
    padding: var(--space-3) var(--space-5) !important;
    border-radius: var(--radius-lg) !important;
    display: block !important;
    text-decoration: none;
    transition: background var(--duration-fast), border-color var(--duration-fast);
  }

  .mobile-sign-in-btn:hover {
    background: rgba(255,255,255,0.08);
    border-color: rgba(255,255,255,0.35) !important;
  }

  .mobile-book-btn {
    text-align: center;
    font-size: var(--text-base) !important;
    padding: var(--space-3) var(--space-5) !important;
    border-radius: var(--radius-lg) !important;
    display: block !important;
    text-decoration: none;
  }
}

/* ── HAMBURGER OPEN STATE (X animation) ── */
.hamburger.open span:nth-child(1) {
  top: 19px;
  transform: translateX(-50%) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: translateX(-50%) scaleX(0);
}
.hamburger.open span:nth-child(3) {
  top: 19px;
  transform: translateX(-50%) rotate(-45deg);
}

/* ── is-active alias for .active ── */
.nav-link.is-active::after { transform: scaleX(1); }
.nav-link.is-active { color: white; background: rgba(255,255,255,0.10); }

/* ── USER AUTH CHIP (logged-in state) ───────────────────── */
.header-user-chip {
  position: relative;
}

.header-avatar-btn {
  display: flex;
  align-items: center;
  gap: .45rem;
  background: rgba(255,255,255,0.10);
  border: 1.5px solid rgba(255,255,255,0.2);
  border-radius: 99px;
  padding: .3rem .75rem .3rem .3rem;
  cursor: pointer;
  color: rgba(255,255,255,0.92);
  font-size: .875rem;
  font-weight: 600;
  transition: background .15s, border-color .15s;
  white-space: nowrap;
}

.header-avatar-btn:hover {
  background: rgba(255,255,255,0.18);
  border-color: rgba(255,255,255,0.4);
  color: #fff;
}

.header-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4a1d8a, #7b2d8b);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: .72rem;
  font-weight: 700;
  flex-shrink: 0;
  letter-spacing: 0;
}

.header-user-name {
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ── USER DROPDOWN ── */
.header-user-dropdown {
  min-width: 220px;
  left: auto;
  right: 0;
  transform: translateX(0) translateY(-8px);
  padding: .35rem;
}

.header-user-chip:hover .header-user-dropdown,
.header-user-chip.open .header-user-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0) translateY(0);
}

.dropdown-user-info {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .625rem .75rem;
  pointer-events: none;
  border-radius: var(--radius-md);
}

.dropdown-avatar-lg {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, #4a1d8a, #7b2d8b);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: .8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.dropdown-user-info strong {
  display: block;
  font-size: .875rem;
  color: var(--text-primary, #1a1a1a);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

.dropdown-user-info small {
  display: block;
  font-size: .75rem;
  color: var(--text-muted, #888);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}

.dropdown-divider {
  height: 1px;
  background: rgba(0,0,0,0.07);
  margin: .25rem 0;
  list-style: none;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: .6rem;
  width: 100%;
  padding: .55rem .75rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-secondary, #555);
  border-radius: var(--radius-md);
  text-decoration: none;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background .12s, color .12s;
}

.dropdown-item:hover {
  background: rgba(74,29,138,.07);
  color: var(--color-lake-mid, #4a1d8a);
}

.dropdown-item--danger { color: #dc2626; }
.dropdown-item--danger:hover { background: rgba(220,38,38,.07); color: #dc2626; }

/* ── LIGHT HEADER VARIANT — avatar colours ── */
.site-header--light .header-avatar-btn {
  background: rgba(0,0,0,0.06);
  border-color: rgba(0,0,0,0.12);
  color: var(--text-secondary, #555);
}
.site-header--light .header-avatar-btn:hover {
  background: rgba(0,0,0,0.1);
  color: var(--text-primary, #1a1a1a);
}