/* ============================================================
   LAYOUT — header, nav, footer, container, breadcrumb
   ============================================================ */

/* ── Container ── */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

/* ── Sections ── */
.section    { padding: var(--space-20) 0; }
.section-sm { padding: var(--space-12) 0; }

/* ── Site Header ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(8, 9, 15, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 32px;
}

/* ── Logo ── */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  text-decoration: none;
}

.logo-mark {
  width: 30px;
  height: 30px;
  background: var(--clr-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-xl);
  color: var(--clr-text);
  letter-spacing: -0.03em;
}

.logo-text .logo-accent,
.logo-text span {
  color: var(--clr-accent);
}

/* ── Primary Nav ── */
.primary-nav {
  display: flex;
  gap: 0;
  flex: 1;
}

.primary-nav a {
  color: var(--clr-text-2);
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: color var(--dur-fast);
  white-space: nowrap;
  position: relative;
}

.primary-nav a:hover {
  color: var(--clr-text);
}

.primary-nav a.active {
  color: var(--clr-text);
  border-left: 2px solid var(--clr-accent);
  padding-left: calc(var(--space-3) - 2px);
}

/* ── Search Bar ── */
.search-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  padding: 0 16px;
  flex: 1;
  max-width: 360px;
  transition: border-color var(--dur-fast);
}

.search-bar:focus-within {
  border-color: rgba(180, 255, 60, 0.4);
}

.search-bar input {
  background: none;
  border: none;
  outline: none;
  color: var(--clr-text);
  font-size: var(--text-sm);
  width: 100%;
  padding: 10px 0;
  font-family: var(--font-body);
}

.search-bar input::placeholder { color: var(--clr-text-3); }

.search-icon {
  color: var(--clr-text-3);
  font-size: 14px;
  flex-shrink: 0;
}

/* ── Header Actions ── */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.header-btn {
  position: relative;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--clr-text-2);
  text-decoration: none;
  transition: all var(--dur-fast);
}

.header-btn:hover {
  background: var(--clr-surface-2);
  color: var(--clr-text);
}

.header-btn svg {
  width: 18px;
  height: 18px;
}

.cart-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  min-width: 16px;
  height: 16px;
  background: var(--clr-accent);
  color: #08090f;
  font-size: 9px;
  font-weight: 800;
  font-family: var(--font-mono);
  border-radius: var(--radius-full);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0 3px;
  line-height: 1;
}

.cart-badge.visible { display: flex; }

.user-greeting {
  font-size: var(--text-xs);
  color: var(--clr-text-2);
  font-family: var(--font-mono);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ── Page Main ── */
.page-main {
  min-height: calc(100vh - var(--header-h) - 200px);
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: var(--space-4) 0;
  font-size: var(--text-sm);
  color: var(--clr-text-3);
  font-family: var(--font-mono);
}

.breadcrumb a {
  color: var(--clr-text-2);
  text-decoration: none;
  transition: color var(--dur-fast);
}

.breadcrumb a:hover { color: var(--clr-accent); }

.breadcrumb-sep {
  color: var(--clr-text-3);
  opacity: 0.4;
}

.breadcrumb-current {
  color: var(--clr-text);
  font-weight: 500;
}

/* ── Section header components ── */
.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--clr-accent);
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label::before {
  content: '/';
  opacity: 0.6;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-3xl);
  color: var(--clr-text);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: var(--space-8);
}

.section-link {
  font-size: var(--text-sm);
  color: var(--clr-accent);
  text-decoration: none;
  font-weight: 500;
  transition: text-decoration var(--dur-fast);
}

.section-link:hover { text-decoration: underline; }

/* ── Page layout with sidebar ── */
.page-with-sidebar {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: var(--space-8);
  padding-top: var(--space-6);
}

/* ── Site Footer ── */
.site-footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--clr-text-2);
  line-height: 1.7;
  margin-top: var(--space-4);
  max-width: 260px;
}

.footer-col h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  margin-bottom: var(--space-4);
  color: var(--clr-text);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  font-size: var(--text-sm);
  color: var(--clr-text-2);
  text-decoration: none;
  transition: color var(--dur-fast);
}

.footer-col a:hover { color: var(--clr-accent); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-5);
  border-top: 1px solid var(--clr-border);
  font-size: var(--text-xs);
  color: var(--clr-text-3);
  font-family: var(--font-mono);
}

.footer-bottom a { color: var(--clr-accent); }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .page-with-sidebar { grid-template-columns: 200px 1fr; }
}

@media (max-width: 768px) {
  .primary-nav { display: none; }
  .search-bar  { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-with-sidebar { grid-template-columns: 1fr; }
  .container   { padding: 0 var(--space-4); }
}