/* ==========================================================================
   HEADER.CSS — Exact Stitch Output Extraction
   ========================================================================== */

.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gold-30);
  transition: all var(--t-fast);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 48px; /* px-12 py-6 */
  width: 100%;
  max-width: 1536px; /* max-w-screen-2xl */
  margin: 0 auto;
}

.header__logo {
  font-family: var(--serif);
  font-size: 24px; /* text-2xl */
  color: var(--gold);
  letter-spacing: 0.1em; /* tracking-widest */
  text-transform: uppercase;
}

.nav {
  display: flex;
}

.nav__list {
  display: flex;
  gap: 32px; /* gap-8 */
  align-items: center;
}

.nav__link {
  font-family: var(--serif);
  font-size: 17px; /* text-md-ish */
  color: var(--text-slate-400);
  letter-spacing: -0.025em; /* tracking-tight */
  text-transform: uppercase;
  transition: color var(--t-fast);
}

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

.header__cta {
  display: inline-block;
  text-decoration: none;
  font-family: var(--ui);
  font-size: 14px;
  background-color: var(--gold);
  color: var(--bg);
  padding: 12px 24px; /* px-6 py-3 */
  border-radius: var(--r-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-weight: 600;
  transition: all var(--t-fast);
}
.header__cta:hover {
  box-shadow: var(--shadow-glow);
}
.header__actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.theme-toggle {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: 50%;
  transition: all var(--t-fast);
}

.theme-toggle:hover {
  background: rgba(197, 160, 89, 0.1);
}

.theme-toggle__icon {
  font-size: 24px;
}

/* Mobile */
@media (max-width: 768px) {
  .header__inner { 
    padding: 16px 20px; 
  }
  
  .desktop-only { display: none !important; }
  
  .header__logo {
    position: relative;
    z-index: 150;
  }

  .header__actions {
    position: relative;
    z-index: 150;
    display: flex;
    align-items: center;
  }

  .header__menu-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg); /* Adapts to theme */
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    z-index: 100;
    
    /* Animation state: Hidden */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
  }

  .header__menu-wrapper.is-active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav__list {
    flex-direction: column;
    align-items: center;
    gap: 24px;
    width: 100%;
  }

  .nav__link {
    font-size: 24px;
    letter-spacing: 0.15em;
    font-weight: 500;
    color: var(--on-surface);
    text-align: center;
    display: block;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .header__menu-wrapper.is-active .nav__link {
    opacity: 1;
    transform: translateY(0);
  }

  /* Staggered Delay for Menu Items */
  .header__menu-wrapper.is-active .nav__link:nth-child(1) { transition-delay: 0.1s; }
  .header__menu-wrapper.is-active .nav__link:nth-child(2) { transition-delay: 0.2s; }
  .header__menu-wrapper.is-active .nav__link:nth-child(3) { transition-delay: 0.3s; }
  .header__menu-wrapper.is-active .mobile-only { 
    transition-delay: 0.4s; 
    opacity: 1;
    transform: translateY(0);
  }

  /* Theme Overrides for Mobile Menu Visibility */
  [data-theme="light"] .header__menu-wrapper {
    background: var(--bg) !important;
  }

  [data-theme="light"] .nav__link {
    color: var(--on-surface) !important;
  }


  .header__hamburger {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--gold);
    cursor: pointer;
    padding: 12px;
    z-index: 110;
    transition: all 0.3s ease;
  }

  .header__hamburger .material-symbols-outlined {
    font-size: 40px; /* Larger icon */
    font-variation-settings: 'wght' 400;
  }

  .header__hamburger.is-active {
    transform: rotate(180deg);
  }
  
  .mobile-only {
    display: block !important;
    text-align: center;
    width: 100%;
    max-width: 280px;
    margin-top: 24px;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.5s ease;
  }
}

/* End of Theme Overrides */

@media (min-width: 769px) {
  .header__hamburger { display: none; }
  .mobile-only { display: none !important; }
}