/* ============================================
   皇山咖啡 — 主樣式
   配色參考：暖窩咖啡 cozyhousecoffee.com
   ============================================ */

/* --- CSS Variables --- */
:root {
  --primary: #604a3c;
  --primary-light: #7d6454;
  --primary-dark: #4a3730;
  --accent: #2da78d;
  --accent-dark: #248f78;
  --bg: #faf8f5;
  --bg-white: #ffffff;
  --bg-warm: #f5f0eb;
  --text: #604a3c;
  --text-light: #8b7355;
  --text-muted: #a89580;
  --border: #e8e0d8;
  --shadow: rgba(96, 74, 60, 0.1);
  --shadow-md: rgba(96, 74, 60, 0.15);
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s ease;
  --font-en: 'Montserrat', sans-serif;
  --font-zh: 'Noto Sans TC', 'Microsoft JhengHei', sans-serif;
  --container: 1200px;
  --navbar-h: 72px;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-zh);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }

img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Announcement Bar --- */
.announcement-bar {
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: 10px 0;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
}
.announcement-bar strong { color: #ffd700; }

/* --- Navbar --- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  height: var(--navbar-h);
  transition: box-shadow var(--transition);
}
.navbar.scrolled { box-shadow: 0 2px 20px var(--shadow); }

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--primary);
}
.logo-icon { font-size: 1.8rem; }
.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 2px;
}
.logo-sub {
  font-family: var(--font-en);
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 3px;
  color: var(--text-light);
  display: none;
}
@media (min-width: 768px) {
  .logo { flex-direction: column; gap: 0; align-items: flex-start; }
  .logo-sub { display: block; margin-top: -4px; }
  .logo-text { line-height: 1.2; }
}

.nav-menu {
  display: flex;
  gap: 8px;
}
.nav-link {
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
}
.nav-link:hover,
.nav-link.active {
  color: var(--primary-dark);
  background: var(--bg-warm);
}
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.nav-actions { display: flex; align-items: center; gap: 12px; }

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text);
  position: relative;
  padding: 8px;
  border-radius: 50%;
  transition: background var(--transition);
}
.icon-btn:hover { background: var(--bg-warm); }

.cart-count {
  position: absolute;
  top: 0; right: 0;
  background: var(--accent);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
}

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 1px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--navbar-h);
    left: 0; right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 20px var(--shadow);
  }
  .nav-menu.open { display: flex; }
  .nav-link { padding: 12px 0; }
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.9rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  letter-spacing: 0.5px;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px var(--shadow-md);
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
}
.btn-lg { padding: 14px 36px; font-size: 1rem; }
.btn-sm { padding: 8px 18px; font-size: 0.8rem; }
.btn-block { width: 100%; }

/* --- Hero --- */
.hero {
  position: relative;
  height: 70vh;
  min-height: 450px;
  max-height: 700px;
  overflow: hidden;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}
.hero-slide.active { opacity: 1; }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(74,55,48,0.3), rgba(74,55,48,0.6));
}
.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  color: #fff;
  padding: 0 24px;
}
.hero-title {
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 700;
  letter-spacing: 4px;
  margin-bottom: 16px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.hero-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  font-weight: 300;
  letter-spacing: 2px;
  margin-bottom: 32px;
  opacity: 0.9;
}
.hero-dots {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}
.hero-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}
.hero-dot.active { background: #fff; transform: scale(1.3); }
.hero-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
  color: #fff;
  border: none;
  cursor: pointer;
  width: 48px; height: 48px;
  border-radius: 50%;
  font-size: 1.2rem;
  transition: all var(--transition);
}
.hero-arrow:hover { background: rgba(255,255,255,0.4); }
.hero-prev { left: 20px; }
.hero-next { right: 20px; }

/* --- Features --- */
.features {
  background: var(--bg-white);
  padding: 60px 0;
  border-bottom: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.feature-card {
  text-align: center;
  padding: 24px 16px;
}
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}
.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--primary);
}
.feature-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.6;
}
@media (max-width: 768px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}
@media (max-width: 480px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* --- Sections --- */
.section {
  padding: 80px 0;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  letter-spacing: 2px;
}
.section-subtitle {
  font-size: 0.95rem;
  color: var(--text-light);
}
.section-footer {
  text-align: center;
  margin-top: 40px;
}

/* --- Page Header --- */
.page-header {
  background: var(--primary);
  color: #fff;
  padding: 48px 0;
  text-align: center;
  background-size: cover;
  background-position: center;
  position: relative;
}
.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(74,55,48,0.7);
}
.page-header .container { position: relative; z-index: 2; }
.page-header h1 {
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  letter-spacing: 3px;
  margin-bottom: 8px;
}
.page-header p {
  font-size: 0.95rem;
  opacity: 0.85;
}

/* --- Product Cards --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.product-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid var(--border);
  position: relative;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--shadow-md);
}
.product-image {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--bg-warm);
}
.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.product-card:hover .product-image img {
  transform: scale(1.05);
}
.product-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}
.product-info {
  padding: 20px;
}
.product-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 4px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.product-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.product-meta {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.product-tag {
  font-size: 0.7rem;
  background: var(--bg-warm);
  color: var(--text-light);
  padding: 3px 10px;
  border-radius: 20px;
}
.product-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}
.product-price {
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
}
.product-price .unit {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-muted);
  font-family: var(--font-zh);
}
.product-add-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 8px 16px;
  border-radius: var(--radius);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.product-add-btn:hover {
  background: var(--accent);
  transform: scale(1.05);
}
.product-add-btn.added {
  background: var(--accent);
}

@media (max-width: 1024px) {
  .products-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .product-info { padding: 14px; }
}
@media (max-width: 400px) {
  .products-grid { grid-template-columns: 1fr; max-width: 360px; margin: 0 auto; }
}

/* --- Filter Bar --- */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.filter-tab {
  padding: 8px 20px;
  border: 2px solid var(--border);
  border-radius: 30px;
  background: var(--bg-white);
  color: var(--text);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.filter-tab:hover,
.filter-tab.active {
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}
.sort-select select {
  padding: 8px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-white);
  color: var(--text);
  font-size: 0.85rem;
  font-family: inherit;
  cursor: pointer;
}

/* --- Categories Showcase --- */
.categories-showcase {
  padding: 0 0 80px;
}
.categories-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.category-card {
  position: relative;
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  text-decoration: none;
  transition: transform var(--transition);
}
.category-card:hover { transform: scale(1.02); }
.category-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(74,55,48,0.7), transparent);
}
.category-content {
  position: relative;
  z-index: 2;
  padding: 32px;
  color: #fff;
}
.category-icon { font-size: 2rem; display: block; margin-bottom: 8px; }
.category-content h3 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 4px;
}
.category-content p {
  font-size: 0.85rem;
  opacity: 0.85;
}
@media (max-width: 600px) {
  .categories-grid { grid-template-columns: 1fr; }
  .category-card { height: 200px; }
}

/* --- About Preview --- */
.about-preview {
  background: var(--bg-white);
  padding: 80px 0;
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-image img {
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px var(--shadow);
}
.about-text h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 20px;
  letter-spacing: 2px;
}
.about-text p {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.8;
}
.about-text .btn { margin-top: 12px; }

@media (max-width: 768px) {
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* --- About Page --- */
.about-story { background: var(--bg-white); }
.values-section { background: var(--bg); }
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.value-card {
  text-align: center;
  background: var(--bg-white);
  padding: 40px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--shadow);
}
.value-icon { font-size: 2.5rem; margin-bottom: 16px; }
.value-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--primary);
}
.value-card p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
}
@media (max-width: 768px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  .values-grid { grid-template-columns: 1fr; }
}

/* --- Contact --- */
.contact-section { background: var(--bg-white); }
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 700px;
  margin: 0 auto;
}
.contact-card {
  text-align: center;
  padding: 40px 24px;
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.contact-icon { font-size: 2rem; margin-bottom: 12px; }
.contact-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--primary);
}
.contact-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.8;
}
.contact-card a { color: var(--accent); font-weight: 600; }

/* --- Cart Panel (Sidebar) --- */
.cart-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}
.cart-overlay.open { opacity: 1; pointer-events: all; }
.cart-panel {
  position: fixed;
  top: 0; right: 0;
  width: 380px;
  max-width: 90vw;
  height: 100vh;
  background: var(--bg-white);
  z-index: 2001;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform var(--transition);
  box-shadow: -4px 0 20px var(--shadow);
}
.cart-panel.open { transform: translateX(0); }
.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.cart-header h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary);
}
.cart-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px;
}
.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px 24px;
}
.cart-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 0;
}
.cart-item {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.cart-item-img {
  width: 64px;
  height: 64px;
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--bg-warm);
}
.cart-item-info { flex: 1; }
.cart-item-name {
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 4px;
}
.cart-item-price {
  font-size: 0.8rem;
  color: var(--text-light);
  font-family: var(--font-en);
}
.cart-item-qty {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
}
.cart-item-qty button {
  width: 24px; height: 24px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  cursor: pointer;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-item-qty span {
  font-size: 0.85rem;
  font-family: var(--font-en);
  min-width: 20px;
  text-align: center;
}
.cart-item-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 2px;
  align-self: flex-start;
}
.cart-item-remove:hover { color: #c44; }
.cart-footer {
  padding: 20px 24px;
  border-top: 1px solid var(--border);
}
.cart-total {
  display: flex;
  justify-content: space-between;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

/* --- Cart Page --- */
.cart-page { min-height: 60vh; }
.cart-page-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 32px;
  letter-spacing: 2px;
}
.cart-empty-state {
  text-align: center;
  padding: 60px 0;
}
.cart-empty-state .empty-icon { font-size: 4rem; margin-bottom: 16px; }
.cart-empty-state h2 { font-size: 1.3rem; margin-bottom: 8px; }
.cart-empty-state p { color: var(--text-light); margin-bottom: 24px; }

.cart-table-wrap { overflow-x: auto; margin-bottom: 32px; }
.cart-table {
  width: 100%;
  border-collapse: collapse;
}
.cart-table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 2px solid var(--border);
}
.cart-table td {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.cart-table .td-product {
  display: flex;
  align-items: center;
  gap: 16px;
}
.cart-table .td-product img {
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  object-fit: cover;
}
.cart-table .td-product-name {
  font-weight: 600;
  font-size: 0.9rem;
}
.cart-table .td-product-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.cart-table .td-price {
  font-family: var(--font-en);
  font-weight: 600;
}
.cart-table .td-qty {
  display: flex;
  align-items: center;
  gap: 8px;
}
.cart-table .td-qty button {
  width: 32px; height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  cursor: pointer;
  font-size: 1rem;
}
.cart-table .td-qty span {
  font-family: var(--font-en);
  font-weight: 600;
  min-width: 24px;
  text-align: center;
}
.cart-table .td-subtotal {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1rem;
  color: var(--primary);
}
.cart-table .td-remove button {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px;
}
.cart-table .td-remove button:hover { color: #c44; }

.cart-summary {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 400px;
  margin-left: auto;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 0.95rem;
}
.summary-free-shipping { color: var(--accent); font-weight: 600; }
.summary-total {
  font-size: 1.2rem;
  font-weight: 700;
  border-top: 2px solid var(--border);
  padding-top: 16px;
  margin-top: 8px;
}
.summary-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.summary-actions .btn { flex: 1; }

/* --- Checkout Form --- */
.checkout-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.checkout-form h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.checkout-note {
  color: var(--text-light);
  font-size: 0.85rem;
  margin-bottom: 32px;
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.form-actions {
  display: flex;
  gap: 12px;
  margin-top: 32px;
}
.form-actions .btn { flex: 1; }

.order-complete {
  text-align: center;
  padding: 60px 0;
}
.order-complete .complete-icon { font-size: 4rem; margin-bottom: 16px; }
.order-complete h2 { font-size: 1.5rem; margin-bottom: 12px; color: var(--primary); }
.order-complete p { color: var(--text-light); margin-bottom: 12px; }
.order-complete .btn { margin-top: 24px; }

@media (max-width: 768px) {
  .checkout-form { padding: 24px; }
  .form-actions { flex-direction: column; }
  .cart-summary { max-width: 100%; }
  .summary-actions { flex-direction: column; }
}

/* --- Footer --- */
.footer {
  background: var(--primary);
  color: #fff;
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-brand p {
  font-size: 0.85rem;
  opacity: 0.7;
  line-height: 1.8;
}
.footer-links h4,
.footer-contact h4 {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 16px;
  opacity: 0.7;
  text-transform: uppercase;
}
.footer-links a {
  display: block;
  color: #fff;
  font-size: 0.9rem;
  padding: 4px 0;
  opacity: 0.8;
  transition: opacity var(--transition);
}
.footer-links a:hover { opacity: 1; color: #fff; }
.footer-contact p {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-bottom: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.8rem;
  opacity: 0.5;
  font-family: var(--font-en);
}

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition);
  z-index: 999;
  box-shadow: 0 4px 12px var(--shadow);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
}
.back-to-top:hover {
  background: var(--accent);
  transform: translateY(-2px);
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-up {
  animation: fadeInUp 0.6s ease forwards;
}

/* --- Toast Notification --- */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--primary);
  color: #fff;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 3000;
  transition: transform 0.4s ease;
  box-shadow: 0 8px 24px var(--shadow-md);
  pointer-events: none;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* --- Placeholder Image --- */
.placeholder-img {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-warm), var(--border));
  color: var(--text-muted);
  font-size: 3rem;
  width: 100%;
  height: 100%;
}