/* ========== Navigation Variants ========== */

/* Shared: ul.nav-links 基础布局（所有 L4 nav 变体都用 ul>li>a 结构） */
.site-header ul.nav-links,
.site-header .nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
}
.site-header ul.nav-links li,
.site-header .nav-links li {
  display: flex;
  align-items: center;
}
.site-header ul.nav-links li a,
.site-header .nav-links li a {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 0.75rem;
  text-decoration: none;
  white-space: nowrap;
}

/* Split: logo 左、导航居中、actions 右 */
.site-header--split .header-content,
.site-header--split .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header--split .main-nav--center {
  flex: 1;
  display: flex;
  justify-content: center;
}
.site-header--split .main-nav--center .nav-links {
  justify-content: center;
}

/* Tabs: tab-style navigation */
.site-header--tabs {
  border-bottom: 2px solid var(--border-color, #eee);
}
.site-header--tabs .main-nav--tabs {
  display: flex;
  gap: 0;
}
.site-header--tabs .nav-tab {
  padding: 0.75rem 1.25rem;
  text-decoration: none;
  color: var(--text-color, #333);
  border-bottom: 3px solid transparent;
  transition: border-color 0.2s;
}
.site-header--tabs .nav-tab:hover,
.site-header--tabs .nav-tab.active {
  border-bottom-color: var(--primary-color, #2563eb);
  color: var(--primary-color, #2563eb);
}

/* Minimal: compact header */
.site-header--minimal .header-actions .btn-whatsapp,
.site-header--minimal .header-actions .btn-primary {
  padding: 0.4rem 0.6rem;
  font-size: 0.875rem;
}

/* ========== Card Variants ========== */

/* Horizontal (image-left) */
.product-card--horizontal {
  display: flex;
  gap: 1rem;
}
.product-card--horizontal .product-card-image {
  flex: 0 0 40%;
}
.product-card--horizontal .product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.product-card--horizontal .product-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

/* Overlay */
.product-card--overlay {
  position: relative;
  overflow: hidden;
}
.product-card--overlay img {
  width: 100%;
  display: block;
}
.product-card--overlay .product-card-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  color: #fff;
}
.product-card--overlay .product-card-overlay h3,
.product-card--overlay .product-card-overlay .price {
  color: #fff;
}

/* ========== CTA Variants ========== */

/* Inline */
.cta--inline {
  padding: 1.5rem 0;
}
.cta--inline .cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.cta--inline .cta-text h3 {
  margin: 0 0 0.25rem;
}
.cta--inline .cta-text p {
  margin: 0;
  color: var(--text-muted, #666);
}

/* Floating */
.cta--floating {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--primary-color, #2563eb);
  color: #fff;
  padding: 0.75rem 0;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.15);
}
.cta--floating .cta-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1rem;
}
.cta--floating .cta-content p {
  margin: 0;
  color: #fff;
}
.cta--floating .btn-primary {
  background: #fff;
  color: var(--primary-color, #2563eb);
  white-space: nowrap;
}

/* ========== FAQ Variants ========== */

/* Accordion */
.faq--accordion .faq-item {
  border-bottom: 1px solid var(--border-color, #eee);
}
.faq--accordion .faq-question {
  padding: 1rem 0;
  cursor: pointer;
  font-weight: 600;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq--accordion .faq-question::after {
  content: '+';
  font-size: 1.25rem;
  transition: transform 0.2s;
}
.faq--accordion .faq-item[open] .faq-question::after {
  content: '−';
}
.faq--accordion .faq-answer {
  padding: 0 0 1rem;
  color: var(--text-muted, #666);
}

/* Grid */
.faq--grid .faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.faq--grid .faq-item {
  padding: 1.25rem;
  border: 1px solid var(--border-color, #eee);
  border-radius: var(--radius, 8px);
}
.faq--grid .faq-question {
  font-size: 1rem;
  margin: 0 0 0.5rem;
}
.faq--grid .faq-answer {
  color: var(--text-muted, #666);
  margin: 0;
  font-size: 0.9rem;
}

/* List */
.faq--list .faq-list {
  max-width: 720px;
}
.faq--list .faq-question {
  font-weight: 600;
  margin: 1.25rem 0 0.25rem;
}
.faq--list .faq-answer {
  margin: 0;
  color: var(--text-muted, #666);
}