/* Header-specific styles for Akce Hrat
   Builds on base.css header layout and utilities
*/

.site-header {
  box-shadow: 0 20px 40px rgba(7, 2, 10, 0.08);
}

/* Brand mark in the center */
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-pill);
  background: radial-gradient(circle at top left, rgba(243, 168, 187, 0.26), transparent 55%),
              rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 28px rgba(8, 3, 11, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.9);
}

.brand-symbol {
  width: 24px;
  height: 24px;
  border-radius: 30% 70% 40% 60%;
  background: conic-gradient(from 210deg, var(--color-primary), var(--color-primary-soft), var(--color-primary-dark), var(--color-primary));
  box-shadow: 0 8px 18px rgba(208, 20, 60, 0.5);
}

.brand-text {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gray-900);
  white-space: nowrap;
}

/* Navigation visibility base: mobile first */
.site-nav {
  display: none;
}

.header-toggle {
  margin-left: auto;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid rgba(21, 16, 21, 0.14);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 10px 24px rgba(7, 2, 10, 0.16);
  cursor: pointer;
  transition: background-color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast);
}

.header-toggle:hover {
  background: #fff;
  box-shadow: 0 14px 32px rgba(7, 2, 10, 0.22);
  transform: translateY(-1px);
}

.header-toggle:active {
  transform: translateY(0);
  box-shadow: 0 8px 20px rgba(7, 2, 10, 0.18);
}

.header-toggle-box {
  position: relative;
  width: 18px;
  height: 12px;
}

.header-toggle-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-soft));
  transform-origin: center;
  transition: transform var(--transition-base), opacity var(--transition-base), top var(--transition-base), bottom var(--transition-base);
}

.header-toggle-line:first-child {
  top: 2px;
}

.header-toggle-line:last-child {
  bottom: 2px;
}

.header-toggle.is-open .header-toggle-line:first-child {
  top: 5px;
  transform: rotate(45deg);
}

.header-toggle.is-open .header-toggle-line:last-child {
  bottom: 5px;
  transform: rotate(-45deg);
}

/* Mobile menu panel */
.mobile-menu {
  position: fixed;
 
  background: linear-gradient(160deg, rgba(7, 2, 10, 0.96), rgba(21, 6, 17, 0.96));
  backdrop-filter: blur(24px);
  color: #fff;
  z-index: 30;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--transition-base),
              visibility var(--transition-base),
              transform var(--transition-base);
}

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mobile-menu-inner {
  height: 100%;
  padding: var(--space-32) var(--space-24) var(--space-40);
}

.mobile-menu-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
}

.mobile-nav-link {
  display: block;
  padding: 0.45rem 0;
  font-size: var(--font-size-lg);
  font-family: var(--font-display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 244, 247, 0.9);
}

.mobile-nav-link::after {
  display: none;
}

.mobile-nav-link:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* Desktop layout overrides */
@media (min-width: 960px) {
  .site-nav {
    display: flex;
  }

  .site-header-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    column-gap: var(--space-32);
  }

  .site-nav-left,
  .site-nav-right {
    display: flex;
    align-items: center;
    gap: var(--space-24);
  }

  .site-nav-right {
    justify-content: flex-end;
  }

  .header-toggle {
    display: none;
  }

  .mobile-menu {
    display: none;
  }
}

/* Current page state helper class (can be set server-side) */
.nav-link.is-active,
.mobile-nav-link.is-active {
  color: var(--color-gray-900);
}

.nav-link.is-active::after {
  transform: scaleX(1);
}