/* Header-specific enhancements for Keletora */

.site-header {
  box-shadow: var(--shadow-xs);
}

.site-header-inner {
  position: relative;
  min-width: 0;
}

/* Brand tweaks */
.site-header .brand-keletora {
  font-size: 0.95rem;
  background: rgba(255, 255, 255, 0.9);
  min-width: 0;
  overflow-wrap: anywhere;
  line-height: 1.3;
}

/* Desktop nav alignment refinements */
.site-header .nav-main {
  align-items: center;
}

.site-header .nav-list {
  font-size: 0.9rem;
}

.site-header .nav-link {
  padding-block: 0.25rem;
}

.site-header .nav-cta .btn-primary {
  white-space: nowrap;
}

/* Mobile nav pattern (Cazonia / Czechroom style) */
@media (max-width: 900px) {
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
  }

  /* Keep logo + toggle on one row regardless of header layout variant */
  .header-layout--centered .site-header-inner,
  .header-layout--stacked .site-header-inner,
  .site-header-inner {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    height: 72px;
    padding-block: 0;
    gap: var(--space-4);
    text-align: left;
  }

  .header-layout--centered .nav-main,
  .header-layout--stacked .nav-main {
    margin-top: 0;
  }

  .site-header .brand-keletora {
    flex: 1 1 auto;
    align-self: center;
    white-space: normal;
  }

  .site-header .nav-toggle {
    display: inline-flex;
    flex: 0 0 auto;
    flex-shrink: 0;
    align-self: center;
    position: relative;
    z-index: 2;
    flex-direction: column;
    gap: 5px;
  }

  .site-header .nav-main {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 100%;
    max-height: calc(100dvh - 72px);
    box-sizing: border-box;
    z-index: 45;
    margin: 0;
    inset-inline: 0;
    background: rgba(255, 255, 255, 0.98);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 0;
    border-inline: none;
    box-shadow: var(--shadow-md);
    padding: var(--space-6) var(--space-5) var(--space-8);
    gap: var(--space-5);
    overflow-x: hidden;
    overflow-y: auto;
    transform: translateY(-110%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
      transform var(--transition-normal),
      opacity var(--transition-normal),
      visibility var(--transition-normal);
  }

  .site-header .nav-main.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .site-header .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-3);
    width: 100%;
  }

  .site-header .nav-link {
    font-size: 0.92rem;
    display: inline-block;
    padding-block: var(--space-2);
  }

  .site-header .nav-cta {
    width: 100%;
    margin-left: 0;
  }

  .site-header .nav-cta .btn {
    width: 100%;
    justify-content: center;
  }

  .site-header .nav-toggle-bar {
    transition: transform var(--transition-fast), opacity var(--transition-fast);
  }

  .site-header .nav-toggle.is-active .nav-toggle-bar:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }

  .site-header .nav-toggle.is-active .nav-toggle-bar:nth-child(2) {
    opacity: 0;
  }

  .site-header .nav-toggle.is-active .nav-toggle-bar:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  .site-header.is-menu-open {
    z-index: 50;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: none;
  }

  .mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.24);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    z-index: 39;
  }

  .mobile-menu-overlay.is-visible {
    opacity: 1;
    pointer-events: auto;
  }
}

@media (min-width: 901px) {
  .mobile-menu-overlay {
    display: none;
  }
}

/* Header layout variants — desktop only */
@media (min-width: 901px) {
  .header-layout--centered .site-header-inner {
    text-align: center;
    flex-direction: column;
    align-items: center;
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }

  .header-layout--centered .nav-main {
    justify-content: center;
    margin-top: var(--space-3);
  }

  .header-layout--stacked .site-header-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .header-layout--stacked .nav-main {
    margin-top: var(--space-3);
    width: 100%;
    justify-content: space-between;
  }
}