/* Header-specific styles for Main Stage Club / "ŻEL-BUD" Wiesław Żelek */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(229, 231, 235, 0.9);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

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

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
}

.site-header__logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: radial-gradient(circle at 30% 20%, #d3a74a 0%, #0b1a3c 55%, #050816 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.35);
}

.site-header__logo-icon {
  color: #ffffff;
  font-size: 1.1rem;
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-header__brand-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
}

.site-header__brand-subtitle {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Navigation */

.site-header__nav {
  display: flex;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  position: relative;
  padding: 0.25rem 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-700);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.2rem;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-accent-gold), var(--color-primary-light));
  transition: width var(--transition-normal);
}

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

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

.site-header__nav-link--active {
  color: var(--color-primary);
}

.site-header__nav-link--cta {
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

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

.site-header__nav-link--cta:hover,
.site-header__nav-link--cta:focus-visible {
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
  color: #ffffff;
}

/* Mobile toggle */

.site-header__toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  border-radius: 999px;
  border: 1px solid var(--color-gray-200);
  background-color: rgba(248, 250, 252, 0.9);
  color: var(--color-gray-800);
  cursor: pointer;
}

.site-header__toggle-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.18rem;
}

.site-header__toggle-line {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--color-gray-800);
  transition: transform var(--transition-normal), opacity var(--transition-normal), width var(--transition-normal);
}

.site-header__toggle-text {
  font-size: 0.75rem;
  font-weight: 500;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
  transform: translateY(4px) rotate(45deg);
}

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

.site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
  transform: translateY(-4px) rotate(-45deg);
}

/* Responsive behaviour */

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

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.08);
    transform-origin: top;
    transform: scaleY(0.9);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.75rem 1.5rem 1.25rem;
    gap: 0.25rem;
  }

  .site-header__nav-link {
    padding-block: 0.45rem;
    width: 100%;
  }

  .site-header__nav-link--cta {
    display: inline-flex;
    justify-content: center;
    width: auto;
    margin-top: 0.5rem;
  }

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

@media (min-width: 769px) {
  .site-header__nav {
    position: static;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    box-shadow: none;
  }
}