/* Header styles for Turnavia */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 3, 8, 0.96), rgba(5, 3, 8, 0.88));
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-10);
  padding-bottom: var(--space-10);
}

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

.site-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-text);
}

.site-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 40% 60% 45% 55%;
  background: radial-gradient(circle at 30% 20%, #ff9bbd 0, var(--color-primary) 38%, #6d28d9 72%);
  box-shadow: var(--shadow-primary-glow);
}

.site-header__logo-text {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
}

/* Navigation */

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

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: 0.15rem;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 46, 99, 0.2), rgba(56, 189, 248, 0.2));
  opacity: 0;
  transform: scaleX(0.3);
  transform-origin: center;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.site-header__nav-link:hover,
.site-header__nav-link:focus-visible {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.02);
}

.site-header__nav-link:hover::after,
.site-header__nav-link:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.site-header__nav-item--highlight .site-header__nav-link {
  color: var(--color-text);
  border: 1px solid rgba(255, 46, 99, 0.5);
  background: radial-gradient(circle at top, rgba(255, 46, 99, 0.28), transparent 60%);
}

/* Mobile toggle */

.site-header__toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid var(--color-border-subtle);
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: rgba(5, 3, 8, 0.9);
  color: var(--color-text);
}

.site-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-text);
  transition: transform var(--transition-base), opacity var(--transition-base), translate var(--transition-base);
}

.site-header__toggle.is-active .site-header__toggle-bar:first-child {
  transform: rotate(45deg) translate(3px, 3px);
}

.site-header__toggle.is-active .site-header__toggle-bar:last-child {
  transform: rotate(-45deg) translate(3px, -3px);
}

/* Mobile layout */

@media (max-width: 768px) {
  .site-header__toggle {
    display: inline-flex;
    flex-direction: column;
  }

  .site-header__nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: radial-gradient(circle at top, rgba(255, 46, 99, 0.2), transparent 65%), var(--color-surface);
    border-bottom: 1px solid var(--color-border-subtle);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition-base), opacity var(--transition-base);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
    padding: var(--space-12) var(--space-16) var(--space-16);
  }

  .site-header__nav-link {
    width: 100%;
    padding: 0.7rem 0.9rem;
  }

  .site-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header,
  .site-header__nav {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}