/* Header styles for GuidePlateformes */

.gp-header {
  position: relative;
  z-index: 40;
}

/* 18+ warning bar */
.gp-header__age-bar {
  background: linear-gradient(90deg, #7f1d1d, #b91c1c);
  color: #fef2f2;
}

.gp-header__age-bar-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-top: 0.55rem;
  padding-bottom: 0.55rem;
}

.gp-header__age-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background-color: #fecaca;
  color: #7f1d1d;
  font-weight: 700;
  font-size: var(--font-size-sm);
}

.gp-header__age-text {
  margin: 0;
  font-size: var(--font-size-xs);
  color: #fee2e2;
}

/* Main header layout */
.gp-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);
}

/* Brand */
.gp-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
}

.gp-header__logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 0.8rem;
  background: radial-gradient(circle at 20% 0, rgba(34,197,94,0.5), transparent 60%), #020617;
  border: 1px solid rgba(148, 163, 184, 0.6);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.8);
  font-family: "Space Grotesk", var(--font-sans);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-primary);
}

.gp-header__brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.gp-header__brand-name {
  font-family: "Space Grotesk", var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.02em;
  font-size: 1.1rem;
  color: var(--gray-50);
}

.gp-header__brand-tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Primary nav */
.gp-header__nav {
  /* default desktop layout; mobile behaviour handled with media queries & JS */
}

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

.gp-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}

.gp-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-primary-hover));
  transition: width var(--transition-normal);
}

.gp-header__nav-link:hover {
  color: var(--gray-50);
}

.gp-header__nav-link:hover::after,
.gp-header__nav-link[aria-current="page"]::after {
  width: 100%;
}

.gp-header__nav-link[aria-current="page"] {
  color: var(--gray-50);
}

.gp-header__nav-item--highlight .gp-header__nav-link {
  padding-inline: 1rem;
  padding-block: 0.4rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(148, 163, 184, 0.6);
}

.gp-header__nav-link--cta {
  background: radial-gradient(circle at 0 0, rgba(34,197,94,0.35), transparent 55%), rgba(15,23,42,0.9);
  color: var(--gray-50);
}

.gp-header__nav-link--cta::after {
  display: none;
}

.gp-header__nav-link--cta:hover {
  border-color: var(--color-primary);
  color: #ecfdf5;
}

/* Mobile toggle */
.gp-header__nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border-subtle);
  color: var(--gray-100);
  background-color: rgba(15,23,42,0.95);
  cursor: pointer;
}

.gp-header__nav-toggle-box {
  position: relative;
  width: 1.4rem;
  height: 1.1rem;
}

.gp-header__nav-toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-100);
  transition: transform var(--transition-normal), opacity var(--transition-fast), top var(--transition-normal), bottom var(--transition-normal);
}

.gp-header__nav-toggle-line--top {
  top: 0;
}

.gp-header__nav-toggle-line--middle {
  top: 50%;
  transform: translateY(-50%);
}

.gp-header__nav-toggle-line--bottom {
  bottom: 0;
}

.gp-header__nav-toggle-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Toggle active state */
.gp-header__nav-toggle.is-open .gp-header__nav-toggle-line--top {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.gp-header__nav-toggle.is-open .gp-header__nav-toggle-line--middle {
  opacity: 0;
}

.gp-header__nav-toggle.is-open .gp-header__nav-toggle-line--bottom {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* Mobile layout */
@media (max-width: 768px) {
  .gp-header__inner {
    align-items: center;
  }

  .gp-header__brand-tagline {
    display: none;
  }

  .gp-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: rgba(15, 23, 42, 0.98);
    border-bottom: 1px solid rgba(31, 41, 55, 0.9);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      opacity var(--transition-normal),
      visibility var(--transition-normal),
      transform var(--transition-normal);
  }

  .gp-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-3) var(--space-4) var(--space-4);
  }

  .gp-header__nav-item {
    border-bottom: 1px solid rgba(31, 41, 55, 0.9);
  }

  .gp-header__nav-item:last-child {
    border-bottom: none;
  }

  .gp-header__nav-link,
  .gp-header__nav-item--highlight .gp-header__nav-link {
    width: 100%;
    padding-block: 0.8rem;
    padding-inline: 0.15rem;
    border-radius: 0;
    border: none;
  }

  .gp-header__nav-link::after {
    left: 0;
    bottom: 0;
    height: 1px;
  }

  .gp-header__nav-link--cta {
    background: none;
  }

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

/* Desktop layout */
@media (min-width: 769px) {
  .gp-header__nav-toggle {
    display: none;
  }
}