/* Header styles for Erankingfrace */

.site-header {
  position: relative;
  width: 100%;
  z-index: 40;
}

/* 18+ warning banner */
.age-warning {
  background: #7f1d1d;
  color: #fee2e2;
  font-size: var(--font-size-sm);
}

.age-warning__inner {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.age-warning__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-full);
  background: #b91c1c;
  font-weight: 700;
  font-size: var(--font-size-xs);
}

.age-warning__text {
  margin: 0;
  color: #fee2e2;
}

/* Main header bar */
.header-main {
  position: sticky;
  top: 0;
  backdrop-filter: blur(22px);
  background: linear-gradient(to bottom, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.9));
  border-bottom: 1px solid rgba(148, 163, 184, 0.35);
}

.header-main__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 */
.header-brand__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: inherit;
}

.header-brand__logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.9rem;
  background: radial-gradient(circle at 30% 0, #60a5fa, #1d4ed8 45%, #0b1120 100%);
  box-shadow: var(--shadow-md);
  font-family: "Space Grotesk", var(--font-sans);
  font-weight: 600;
  letter-spacing: 0.06em;
}

.header-brand__text {
  display: flex;
  flex-direction: column;
}

.header-brand__name {
  font-family: "Space Grotesk", var(--font-sans);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.header-brand__tagline {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

/* Navigation */
.site-nav {
  display: flex;
  align-items: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.site-nav__link {
  position: relative;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  padding: 0.35rem 0;
}

.site-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-success));
  transition: width var(--transition-normal);
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
  color: #e5e7eb;
}

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

.site-nav__item--highlight .site-nav__link {
  color: #e5e7eb;
}

.site-nav__item--highlight .site-nav__link::after {
  background: linear-gradient(90deg, var(--color-success), var(--color-primary));
}

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(148, 163, 184, 0.4);
  background: rgba(15, 23, 42, 0.9);
  color: var(--color-text);
  cursor: pointer;
}

.nav-toggle__label {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.nav-toggle__icon {
  position: relative;
  width: 18px;
  height: 12px;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background: #e5e7eb;
  transition: transform var(--transition-normal), top var(--transition-normal), bottom var(--transition-normal), opacity var(--transition-normal);
}

.nav-toggle__icon::before {
  top: 0;
}

.nav-toggle__icon::after {
  bottom: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before {
  top: 5px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after {
  bottom: 5px;
  transform: rotate(-45deg);
}

/* Responsive behavior */
@media (max-width: 768px) {
  .header-main__inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: radial-gradient(circle at top, rgba(15, 23, 42, 0.98), rgba(15, 23, 42, 0.96));
    border-bottom: 1px solid rgba(148, 163, 184, 0.35);
    transform-origin: top;
    transform: scaleY(1);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3) var(--space-4) var(--space-4);
    gap: var(--space-3);
  }

  .site-nav--collapsed .site-nav__list {
    display: none;
  }

  .site-nav--open .site-nav__list {
    display: flex;
  }
}

@media (min-width: 769px) {
  .site-nav {
    position: static;
  }

  .site-nav__list {
    padding: 0;
  }
}