/* Header styles for PAC ESTATES LTD */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: linear-gradient(90deg, rgba(245, 242, 234, 0.96), rgba(245, 242, 234, 0.92));
  border-bottom: 1px solid rgba(215, 208, 193, 0.9);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

/* Branding */
.site-header__brand {
  display: flex;
  align-items: center;
  min-width: 0;
}

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
}

.site-header__mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: radial-gradient(circle at 20% 0, #b68b2d, #144734);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: var(--font-size-sm);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

.site-header__text {
  display: flex;
  flex-direction: column;
}

.site-header__name {
  font-family: var(--font-serif);
  font-size: var(--font-size-lg);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.site-header__tagline {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-muted);
}

/* Primary nav */
.site-header__nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  list-style: none;
}

.site-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-gray-700);
  padding-block: 0.25rem;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width var(--transition-normal);
}

.site-header__nav-link:hover::after,
.site-header__nav-link:focus-visible::after {
  width: 100%;
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--color-primary-dark);
}

.site-header__cta-wrap {
  display: flex;
  align-items: center;
}

.site-header__cta {
  font-size: var(--font-size-xs);
  padding-inline: 1.75rem;
}

/* Mobile toggle */
.site-header__toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-gray-300);
  background-color: rgba(255, 255, 255, 0.7);
}

.site-header__toggle:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.site-header__toggle-label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.site-header__toggle-icon {
  position: relative;
  width: 18px;
  height: 12px;
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
}

.site-header__toggle-icon span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 999px;
  background-color: var(--color-gray-800);
  transition: transform var(--transition-normal), opacity var(--transition-normal), top var(--transition-normal), bottom var(--transition-normal);
}

.site-header__toggle--open .site-header__toggle-icon span:first-child {
  transform: translateY(5px) rotate(45deg);
}

.site-header__toggle--open .site-header__toggle-icon span:last-child {
  transform: translateY(-5px) rotate(-45deg);
}

/* Mobile layout */
@media (max-width: 767px) {
  .site-header__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .site-header__toggle {
    display: inline-flex;
  }

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: linear-gradient(180deg, rgba(245, 242, 234, 0.99), rgba(245, 242, 234, 0.98));
    border-bottom: 1px solid rgba(215, 208, 193, 0.9);
    box-shadow: var(--shadow-soft);
    flex-direction: column;
    align-items: stretch;
    padding: 0 var(--space-4) var(--space-4);
    transform-origin: top;
    transform: scaleY(1);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
    padding-top: var(--space-3);
  }

  .site-header__nav-link {
    font-size: var(--font-size-sm);
  }

  .site-header__cta-wrap {
    margin-top: var(--space-3);
  }

  /* JS-enhanced state: hide by default, slide down when open */
  .js-nav-collapsible .site-header__nav {
    max-height: 0;
    padding-bottom: 0;
    overflow: hidden;
    opacity: 0;
    transform: scaleY(0.9);
    transition:
      max-height var(--transition-slow),
      opacity var(--transition-normal),
      transform var(--transition-normal),
      padding-bottom var(--transition-normal);
  }

  .js-nav-collapsible .site-header__nav--open {
    max-height: 420px;
    opacity: 1;
    transform: scaleY(1);
    padding-bottom: var(--space-4);
  }
}

/* Medium screens */
@media (min-width: 768px) and (max-width: 1023px) {
  .site-header__nav-list {
    gap: var(--space-4);
  }

  .site-header__cta {
    display: none;
  }
}

/* Larger screens */
@media (min-width: 1024px) {
  .site-header__inner {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }
}