/* Header styles for Travel Compare Guide */

.tcg-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  backdrop-filter: blur(14px);
  background: linear-gradient(90deg, rgba(247, 244, 238, 0.94), rgba(255, 255, 255, 0.92));
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.tcg-skip-link {
  position: absolute;
  left: 50%;
  transform: translate(-50%, -200%);
  padding: 0.5rem 1rem;
  background-color: #111827;
  color: #f9fafb;
  border-radius: var(--radius-pill);
  z-index: calc(var(--z-nav) + 1);
  transition: transform var(--transition-normal);
}

.tcg-skip-link:focus {
  transform: translate(-50%, 0.4rem);
}

.tcg-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

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

.tcg-header__logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.tcg-header__logo:hover {
  color: var(--color-text);
}

.tcg-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 16px;
  background: radial-gradient(circle at 20% 0%, #ffffff 0%, #e0ecff 40%, #ffddb8 100%);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.tcg-header__logo-mark::before,
.tcg-header__logo-mark::after {
  content: "";
  position: absolute;
  border-radius: 999px;
}

.tcg-header__logo-mark::before {
  inset: 26% 28%;
  border: 2px solid rgba(15, 23, 42, 0.75);
}

.tcg-header__logo-mark::after {
  inset: 42% 16% auto 16%;
  border-top: 2px dashed rgba(15, 23, 42, 0.55);
}

.tcg-header__logo-text {
  display: flex;
  flex-direction: column;
}

.tcg-header__logo-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

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

/* Nav */

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

.tcg-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

.tcg-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
  padding-block: 0.35rem;
}

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

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

.tcg-header__nav-item--highlight .tcg-header__nav-link {
  padding-inline: 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.4);
  background-color: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-xs);
}

.tcg-header__nav-link--cta {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.tcg-header__nav-item--highlight .tcg-header__nav-link::after {
  display: none;
}

.tcg-header__nav-item--highlight .tcg-header__nav-link:hover,
.tcg-header__nav-item--highlight .tcg-header__nav-link:focus-visible {
  border-color: var(--color-primary);
  background: radial-gradient(circle at 0% 0%, var(--color-primary-soft), var(--color-accent-soft));
  color: var(--color-primary);
}

/* Mobile toggle */

.tcg-header__toggle {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background-color: rgba(255, 255, 255, 0.85);
  color: var(--color-text);
  box-shadow: var(--shadow-xs);
}

.tcg-header__toggle-bar {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-text);
  margin-inline: auto;
  transition: transform var(--transition-normal), opacity var(--transition-normal), width var(--transition-normal);
}

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

.tcg-header__toggle--open .tcg-header__toggle-bar:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

.tcg-header__toggle--open .tcg-header__toggle-bar:nth-child(2) {
  opacity: 0;
  width: 0;
}

.tcg-header__toggle--open .tcg-header__toggle-bar:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Mobile Nav behaviour */

@media (max-width: 900px) {
  .tcg-header__inner {
    padding-block: var(--space-2);
  }

  .tcg-header__logo-subtitle {
    display: none;
  }

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

  .tcg-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: linear-gradient(180deg, rgba(247, 244, 238, 0.98), rgba(255, 255, 255, 0.96));
    border-bottom: 1px solid rgba(148, 163, 184, 0.3);
    transform-origin: top;
    transform: scaleY(0.95);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
  }

  .tcg-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-4) var(--space-4) var(--space-5);
    gap: var(--space-3);
  }

  .tcg-header__nav-item--highlight .tcg-header__nav-link {
    width: 100%;
    text-align: center;
    justify-content: center;
  }

  .tcg-header__nav-link {
    width: 100%;
  }

  .tcg-header__nav--open {
    opacity: 1;
    transform: scaleY(1);
    pointer-events: auto;
  }
}

@media (min-width: 901px) {
  .tcg-header__toggle {
    display: none;
  }
}