/* ================================================
   AYF v2 — Home Page Enhancements
   ================================================ */

/* --- Version hint (dev only) --- */
.version-hint {
  margin-bottom: var(--space-lg);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}
.version-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  background: var(--ayf-gold);
  margin-right: 6px;
  opacity: 0.5;
}
.version-link {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid rgba(200,164,92,0.2);
  transition: all var(--transition-fast);
}
.version-link:hover {
  color: var(--ayf-gold);
  border-color: var(--ayf-gold);
}

/* --- Section Titles: Inter thin for clean modern look --- */
.section-title {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-weight: 200;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
.mobile-title-break { display: none; }
@media (max-width: 768px) {
  .mobile-title-break { display: block; }
}

/* --- Philosophy Section: more breathing room --- */
.brand-philosophy {
  padding: var(--space-5xl) 0;
}

/* --- Craft Grid: 3 columns on desktop, 1 on mobile --- */
.craft-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}
@media (max-width: 900px) {
  .craft-grid { grid-template-columns: 1fr; }
}

/* --- Stats Grid --- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(245, 240, 232, 0.06);
}
@media (max-width: 768px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

/* --- Contact Section --- */
.contact-section {
  text-align: center;
  padding: var(--space-5xl) 0;
  background: linear-gradient(180deg, var(--absolute-black), var(--elevated-dark));
  border-top: 1px solid rgba(200, 164, 92, 0.1);
}
.contact-methods {
  display: flex;
  gap: var(--space-2xl);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}
.contact-method { text-align: center; }
.contact-method .label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--ayf-gold);
  margin-bottom: var(--space-xs);
}
.contact-method .value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--text-primary);
}
.contact-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Footer --- */
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid rgba(245, 240, 232, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}
.footer-bottom p { font-size: 0.75rem; color: var(--text-dim); }
.footer-social-links { display: flex; gap: var(--space-lg); }
.footer-social-links a { 
  font-size: 0.75rem; 
  letter-spacing: 0.1em; 
  text-transform: uppercase; 
  margin-bottom: 0;
}

/* --- Education Section: Black-Gold Style --- */
.education-section {
  background: linear-gradient(180deg, var(--elevated-dark), var(--deep-void));
  padding: var(--space-5xl) 0;
  border-top: 1px solid rgba(200, 164, 92, 0.08);
  border-bottom: 1px solid rgba(200, 164, 92, 0.08);
}
.section-tag {
  display: block;
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #d4a853;
  margin-bottom: var(--space-sm);
}
.education-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-3xl);
}
.edu-item {
  background: rgba(245, 240, 232, 0.03);
  border-left: 3px solid #d4a853;
  padding: var(--space-xl) var(--space-lg);
  border-radius: 0 4px 4px 0;
  transition: all var(--transition-fast);
}
.edu-item:hover {
  background: rgba(212, 168, 83, 0.06);
  transform: translateX(4px);
}
.edu-item h3 {
  font-family: 'Inter', 'Noto Sans SC', sans-serif;
  font-weight: 400;
  font-size: 1rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}
.edu-item p {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-muted);
}
@media (max-width: 768px) {
  .education-grid { grid-template-columns: 1fr; }
}

/* --- Base Gallery: Tongxiang Photo Tour --- */
.base-gallery {
  margin-top: var(--space-3xl);
}
.base-hero-img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  opacity: 0.85;
  display: block;
  transition: opacity 0.6s ease;
}
.base-hero-img:hover {
  opacity: 1;
}
.base-hero-label {
  position: absolute;
  bottom: var(--space-lg);
  left: var(--space-lg);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-primary);
  background: rgba(0,0,0,0.6);
  padding: 6px 16px;
  border-left: 2px solid var(--ayf-gold);
}
.base-hero-wrap {
  position: relative;
  margin-bottom: var(--space-lg);
  overflow: hidden;
}
.base-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}
.base-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin-top: 4px;
}
.base-grid-item {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--deep-void);
}
.base-grid-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: all 0.6s ease;
}
.base-grid-item:hover img {
  opacity: 1;
  transform: scale(1.05);
}
.base-grid-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 8px 12px;
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-primary);
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  transition: all 0.3s ease;
}
.base-grid-item:hover .base-grid-label {
  padding-bottom: 12px;
  background: linear-gradient(transparent, rgba(0,0,0,0.95));
}
@media (max-width: 900px) {
  .base-grid { grid-template-columns: repeat(2, 1fr); }
  .base-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .base-hero-img { height: 280px; }
}
@media (max-width: 500px) {
  .base-grid { grid-template-columns: 1fr; }
  .base-grid-3 { grid-template-columns: 1fr; }
}

/* --- Base Gallery: Horizontal Scroll --- */
.base-scroll {
  margin-top: var(--space-lg);
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 8px;
  scrollbar-width: thin;
  scrollbar-color: rgba(212,168,83,0.3) transparent;
}
.base-scroll::-webkit-scrollbar {
  height: 4px;
}
.base-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.base-scroll::-webkit-scrollbar-thumb {
  background: rgba(212,168,83,0.3);
  border-radius: 2px;
}
.base-scroll-item {
  flex: 0 0 300px;
  height: 200px;
  position: relative;
  overflow: hidden;
  scroll-snap-align: start;
  background: var(--deep-void);
  cursor: grab;
}
.base-scroll-item:active {
  cursor: grabbing;
}
.base-scroll-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.8;
  transition: all 0.5s ease;
}
.base-scroll-item:hover img {
  opacity: 1;
  transform: scale(1.04);
}
.base-scroll-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 10px 14px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--text-primary);
  background: linear-gradient(transparent, rgba(0,0,0,0.88));
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: padding 0.3s ease;
}
.base-scroll-item:hover .base-scroll-label {
  padding-bottom: 14px;
}
@media (max-width: 768px) {
  .base-scroll-item {
    flex: 0 0 240px;
    height: 160px;
  }
}

/* --- Product Pathways --- */
.product-pathways {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  max-width: 1040px;
  margin: var(--space-3xl) auto var(--space-xl);
  background: rgba(245, 240, 232, 0.10);
}
.product-pathway {
  min-height: 260px;
  padding: var(--space-xl);
  background: rgba(12, 8, 10, 0.96);
  color: var(--text-primary);
  text-decoration: none;
  transition: background var(--transition-normal), transform var(--transition-normal);
}
.product-pathway:hover {
  background: rgba(200, 164, 92, 0.08);
  transform: translateY(-3px);
}
.product-pathway span {
  display: block;
  margin-bottom: var(--space-2xl);
  font-family: var(--font-display);
  font-size: 2.4rem;
  color: rgba(200, 164, 92, 0.70);
}
.product-pathway h3 {
  margin-bottom: var(--space-md);
  font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 1.35rem;
  letter-spacing: 0;
  text-transform: none;
}
.product-pathway p {
  font-size: 0.95rem;
  color: var(--text-muted);
}
@media (max-width: 900px) {
  .product-pathways {
    grid-template-columns: 1fr;
  }
  .product-pathway {
    min-height: 0;
  }
}