/* Header layout & styling for CeliaBet */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(20px);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.95), rgba(243, 247, 249, 0.96));
  border-bottom: 1px solid var(--color-border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}

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

.site-header__logo-link {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-2);
}

.site-header__logo-link::after {
  content: none;
}

.site-header__logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 40% 60% 45% 55%;
  background: radial-gradient(circle at 20% 20%, var(--color-primary), transparent 55%),
              radial-gradient(circle at 80% 80%, var(--color-gold), transparent 55%),
              linear-gradient(135deg, #0f172a, #020617);
  box-shadow: var(--shadow-soft-gold);
}

.site-header__logo-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

/* Navigation */

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

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.site-header__nav-link {
  position: relative;
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-soft);
  padding: 0.5rem 0;
}

.site-header__nav-link::after {
  height: 2px;
}

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

.site-header__nav-item--highlight .site-header__nav-link--cta {
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(12, 16, 32, 0.06);
  background: linear-gradient(135deg, var(--color-gold), var(--color-beige));
  box-shadow: var(--shadow-sm);
  color: #111827;
}

.site-header__nav-item--highlight .site-header__nav-link--cta::after {
  content: none;
}

.site-header__nav-item--highlight .site-header__nav-link--cta:hover,
.site-header__nav-item--highlight .site-header__nav-link--cta:focus-visible {
  box-shadow: var(--shadow-soft-gold);
}

/* Mobile toggle */

.site-header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 1px solid rgba(15, 23, 42, 0.08);
  background-color: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
  padding: 0 10px;
}

.site-header__toggle::after {
  content: none;
}

.site-header__toggle-bar {
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-gold));
  transition: transform var(--transition-base), opacity var(--transition-base), translate var(--transition-base);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(1) {
  transform: translateY(3.5px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(2) {
  opacity: 0;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(3) {
  transform: translateY(-3.5px) rotate(-45deg);
}

/* Mobile nav panel */

@media (max-width: 767.98px) {
  .site-header__nav {
    position: fixed;
    inset: 64px 0 auto 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(22px);
    border-bottom: 1px solid var(--color-border-subtle);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.16);
    transform: translateY(-120%);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--transition-base), opacity var(--transition-base), visibility var(--transition-base);
  }

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

  .site-header__nav-link {
    font-size: var(--font-size-base);
    padding: 0.4rem 0;
  }

  .site-header__nav--open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

@media (min-width: 768px) {
  .site-header__toggle {
    display: none;
  }
}

/* Larger screens refinements */

@media (min-width: 992px) {
  .site-header__inner {
    padding-top: var(--space-10);
    padding-bottom: var(--space-10);
  }

  .site-header__nav-list {
    gap: var(--space-12);
  }
}