/* ==========================================================================
   HEADER & NAVIGATION STYLES
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-gray-200);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

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

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo__text {
  font-family: 'Playfair Display', serif;
  font-size: 28px;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.5px;
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav__logo img {
  height: 28px !important;
  width: auto !important;
  display: block;
}

.nav__menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__item {
  position: relative;
  list-style: none;
}

.nav__link {
  font-family: var(--font-family-body);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  text-decoration: none;
  padding: 0.5rem 0;
  transition: color 0.2s ease;
}

.nav__link:hover {
  color: var(--color-accent-purple);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  gap: 5px;
  padding: 0;
  z-index: 1100;
  position: relative;
}

.nav__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

.nav__toggle.is-active .nav__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-active .nav__toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__toggle.is-active .nav__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.nav__cta { margin-left: 1rem; }

.nav__item--dropdown { position: relative; }

.nav__link--dropdown {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  background: none;
  border: none;
  font-family: var(--font-family-body);
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  cursor: pointer;
  padding: 0.5rem 0;
}

.nav__link--dropdown::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  margin-left: 4px;
  transition: transform 0.2s ease;
}

.nav__link--dropdown:hover { color: var(--color-accent-purple); }

/* Dropdown — hidden by default (shared base) */
.nav__dropdown {
  list-style: none;
  margin: 0;
  padding: 0;
}

/* ── DESKTOP only: hover-open dropdown ── */
@media (min-width: 993px) {
  .nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s ease;
    z-index: 100;
  }

  .nav__item--dropdown:hover .nav__dropdown,
  .nav__item--dropdown:focus-within .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav__link--dropdown[aria-expanded="true"]::after { transform: rotate(180deg); }

  .nav__dropdown-link {
    display: block;
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    text-decoration: none;
    transition: all 0.15s ease;
  }

  .nav__dropdown-link:hover {
    background-color: var(--color-gray-100);
    color: var(--color-accent-purple);
  }

  .nav__dropdown-link--category {
    font-weight: 600;
    color: var(--color-accent-purple);
    border-bottom: 1px solid var(--color-gray-200);
    margin-bottom: 0.25rem;
  }
}

/* ══════════════════════════════════════════
   MOBILE NAV — white drawer, JS-controlled
   ══════════════════════════════════════════ */
@media (max-width: 992px) {
  .nav__toggle { display: flex; }

  /* Drawer */
  .nav__menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(300px, 82vw);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding-top: 72px;
    padding-bottom: 32px;
    background: #ffffff;
    border-left: 1px solid #e5e7eb;
    box-shadow: -4px 0 32px rgba(0, 0, 0, 0.12);
    list-style: none;
    margin: 0;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    z-index: 1050;
  }

  .nav__menu.is-open { transform: translateX(0); }

  /* Scrim */
  .nav__menu::before {
    content: '';
    position: fixed;
    inset: 0;
    right: min(300px, 82vw);
    background: transparent;
    transition: background 0.3s ease;
    pointer-events: none;
  }

  .nav__menu.is-open::before {
    background: rgba(0, 0, 0, 0.35);
    pointer-events: auto;
  }

  .nav__item { border-bottom: 1px solid #f3f4f6; }
  .nav__item:last-child { border-bottom: none; }

  /* Top-level links */
  .nav__link {
    display: flex;
    align-items: center;
    padding: 0.9rem 1.5rem;
    width: 100%;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: #1a1a2e;
    text-decoration: none;
    background: transparent;
    box-sizing: border-box;
  }

  .nav__link:hover { background: #f5f3ff; color: var(--color-primary-purple); }

  /* Dropdown trigger button */
  .nav__link--dropdown {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.9rem 1.5rem;
    width: 100%;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    color: #1a1a2e;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    text-align: left;
    box-sizing: border-box;
  }

  .nav__link--dropdown:hover { background: #f5f3ff; color: var(--color-primary-purple); }

  .nav__item--dropdown.is-open > .nav__link--dropdown {
    background: #f5f3ff;
    color: var(--color-primary-purple);
  }

  /* Chevron */
  .nav__link--dropdown::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid #9ca3af;
    flex-shrink: 0;
    margin-left: auto;
    transition: transform 0.2s ease;
  }

  .nav__item--dropdown.is-open > .nav__link--dropdown::after {
    transform: rotate(180deg);
    border-top-color: var(--color-primary-purple);
  }

  /* Sub-menu: collapsed by default, JS controls via inline styles */
  .nav__dropdown {
    position: static;
    background: #f9fafb;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.28s ease;
    border: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
  }

  .nav__dropdown-link {
    display: block;
    padding: 0.7rem 1.5rem 0.7rem 2.25rem;
    font-size: 0.9rem;
    color: #374151;
    text-decoration: none;
    background: transparent;
  }

  .nav__dropdown-link:hover { background: #ede9fe; color: var(--color-primary-purple); }

  .nav__dropdown-link--category {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-primary-purple);
    border-bottom: 1px solid #e5e7eb;
  }

  .nav__cta { margin: 1rem 1.5rem 0; }
}

@media (max-width: 768px) {
  .logo__text { font-size: 22px; }
  .nav__logo img { height: 22px !important; }
  .site-header .container { padding-top: 0.625rem; padding-bottom: 0.625rem; }
}