/* Header styles for GamePLNymlop - builds on base.css */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background:
    radial-gradient(circle at top left, rgba(195, 138, 57, 0.18), transparent 55%),
    linear-gradient(to bottom, rgba(6, 6, 7, 0.96), rgba(6, 6, 7, 0.9));
  border-bottom: var(--border-subtle);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-16);
  padding-block: var(--space-10);
}

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

.site-header__logo-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  color: var(--gray-50);
}

.site-header__logo-link:focus-visible {
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-lg);
}

.site-header__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 30% 70% 55% 45%;
  background:
    radial-gradient(circle at 30% 20%, rgba(230, 167, 73, 0.5), transparent 55%),
    linear-gradient(145deg, #3c2516, #15161a);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.9), 0 10px 18px rgba(0, 0, 0, 0.8);
  position: relative;
}

.site-header__logo-mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: inherit;
  border: 1px solid rgba(243, 225, 196, 0.18);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.7);
}

.site-header__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.site-header__subtitle {
  display: none;
  font-size: var(--font-size-xxs);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .site-header__subtitle {
    display: inline-block;
  }
}

/* Navigation */
.site-header__nav {
  display: flex;
}

.site-header__nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding-inline: 0.2rem;
  padding-block: 0.1rem;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--color-text-soft);
}

.site-header__nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.25rem;
  height: 2px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, rgba(195, 138, 57, 0.2), rgba(110, 74, 50, 0.8));
  transform-origin: center;
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.site-header__nav-link:hover::after,
.site-header__nav-link:focus-visible::after {
  transform: scaleX(1);
}

.site-header__nav-link:focus-visible {
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

/* Mobile toggle */
.site-header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(227, 221, 207, 0.18);
  background: rgba(10, 10, 10, 0.85);
  color: inherit;
}

.site-header__toggle-bar {
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background-color: var(--gray-100);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.site-header__toggle:focus-visible {
  box-shadow: var(--focus-ring);
}

/* Initial mobile layout: menu visible by default (no-JS) */
@media (max-width: 767.98px) {
  .site-header__inner {
    padding-block: var(--space-8);
  }

  .site-header__nav {
    position: absolute;
    inset-inline: 0;
    top: 100%;
    background:
      radial-gradient(circle at top, rgba(195, 138, 57, 0.18), transparent 55%),
      linear-gradient(to bottom, #060607, #0c0d10);
    border-bottom: var(--border-subtle);
  }

  .site-header__nav-list {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-12) var(--layout-gutter) var(--space-16);
  }

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

  /* When JS enhances, we'll add .js-nav-enhanced to body to allow collapse */
  body.js-nav-enhanced .site-header__nav {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition: max-height var(--transition-slow), opacity var(--transition-normal), transform var(--transition-normal);
  }

  body.js-nav-enhanced .site-header__nav--open {
    max-height: 320px;
    opacity: 1;
    transform: translateY(0);
  }

  body.js-nav-enhanced .site-header__nav--open .site-header__nav-list {
    border-top: 1px solid rgba(0, 0, 0, 0.9);
  }

  body.js-nav-enhanced .site-header__toggle-bar:nth-child(1) {
    transform-origin: center;
  }

  body.js-nav-enhanced .site-header__toggle-bar:nth-child(3) {
    transform-origin: center;
  }

  body.js-nav-enhanced .site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(1) {
    transform: translateY(6px) rotate(42deg);
  }

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

  body.js-nav-enhanced .site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(3) {
    transform: translateY(-6px) rotate(-42deg);
  }
}

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

  .site-header__nav {
    position: static;
  }
}