/* Header */
.fixed-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(
    --header-height
  ); /* 56px + safe-area inset; top padding eats the inset, so
     the flex content area is exactly the visible 56px bar and centering is true */
  background-color: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: env(safe-area-inset-top, 0px) calc(var(--page-gutter) + env(safe-area-inset-right, 0px))
    0 calc(var(--page-gutter) + env(safe-area-inset-left, 0px));
  z-index: var(--z-header);
  border-bottom: 1px solid var(--border-light);
}

.logo {
  /* semantic h1 — kill the browser heading defaults */
  margin: 0;
  font-size: var(--font-size-xs);
  font-weight: var(--font-medium);
  color: rgba(255, 255, 255, var(--opacity-primary));
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  font-family: var(--font-family);
  white-space: nowrap;
}

.logo:hover {
  color: var(--text-secondary);
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  /* sub-340px safety: scroll, never clip — invisible at normal widths */
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.main-nav::-webkit-scrollbar {
  display: none;
}

.nav-button {
  font-size: var(--font-size-xs);
  font-weight: var(--font-regular);
  color: rgba(255, 255, 255, var(--opacity-tertiary));
  background: transparent;
  border: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  transition: var(--transition);
  text-transform: uppercase;
  font-family: var(--font-family);
  letter-spacing: var(--letter-spacing-nav);
  white-space: nowrap;
}

.nav-button:hover {
  color: #fff;
}

.nav-button.active {
  color: var(--text-light);
  background: rgba(255, 255, 255, var(--opacity-border));
}

/* Mobile search button - hidden on desktop */
.nav-button.mobile-search-btn {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 6px;
}

.nav-button.mobile-search-btn svg {
  display: block;
}

/* Search Container */
.search-container {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  background: var(--bg-color);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-lg) var(--page-gutter);
  z-index: calc(var(--z-header) - 1);
}

.search-container.slide-down {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.search-input-wrapper {
  position: relative;
  width: 100%;
}

.search-input {
  width: 100%;
  height: 40px;
  padding: var(--spacing-sm);
  padding-right: 40px;
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  letter-spacing: var(--letter-spacing);
  border: 1px solid var(--border-color);
  background: #0a0a0a;
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
}

.search-close {
  position: absolute;
  right: var(--spacing-sm);
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: rgba(255, 255, 255, var(--opacity-subtle));
  font-size: var(--font-size-xl);
  line-height: 1;
  cursor: pointer;
  padding: 0;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-weight: var(--font-light);
}

.search-close:hover {
  color: rgba(255, 255, 255, var(--opacity-tertiary));
}

.search-input:focus {
  border-color: var(--text-primary);
}

.search-input::placeholder {
  color: var(--text-tertiary);
}

.search-results-info {
  margin-top: var(--spacing-sm);
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-loose);
}