/* PT Artha Sarana Saintifika - Main Stylesheet */
:root {
  --primary: #0A2A4A;
  --primary-dark: #061B30;
  --primary-light: #1A4A6E;
  --secondary: #1A6B4A;
  --secondary-light: #2E8B68;
  --accent: #C9A227;
  --accent-light: #E0BC4A;
  --gold: #D4AF37;
  --bg-light: #F7FAF8;
  --bg-white: #FFFFFF;
  --text-dark: #1E293B;
  --text-muted: #64748B;
  --border: #E2E8F0;
  --success: #10B981;
  --danger: #EF4444;
  --shadow: 0 4px 20px rgba(10, 42, 74, 0.08);
  --shadow-lg: 0 10px 40px rgba(10, 42, 74, 0.12);
  --radius: 12px;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Plus Jakarta Sans', 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text-dark);
  background: var(--bg-light);
  line-height: 1.6;
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== HEADER ========== */
.header {
  background: var(--bg-white);
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header .container {
  position: relative;
}

.header-top {
  background: var(--primary);
  color: white;
  font-size: 0.85rem;
  padding: 8px 0;
}

.header-top .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.header-top a {
  color: rgba(255,255,255,0.9);
}

.header-top a:hover {
  color: var(--accent);
}

.lang-switch {
  display: flex;
  gap: 6px;
}

.lang-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.4);
  color: white;
  padding: 2px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
}

.lang-btn.active,
.lang-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary-dark);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  gap: 20px;
}

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

.logo img {
  height: 56px;
  width: auto;
}

.logo-text {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  line-height: 1.2;
}

.logo-text span {
  display: block;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--secondary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-menu a {
  font-weight: 560;
  font-size: 0.95rem;
  color: var(--text-dark);
  position: relative;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--primary);
}

.nav-menu a.active::after,
.nav-menu a:hover::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cart-btn {
  position: relative;
  background: var(--bg-light);
  border: none;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.cart-btn:hover {
  background: var(--primary);
  color: white;
}

.cart-count {
  position: absolute;
  top: -4px;
  right: -4px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 0.7rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn-accent {
  background: var(--accent);
  color: var(--primary-dark);
}

.btn-accent:hover {
  background: var(--accent-light);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary);
}

/* ========== HERO ========== */
.hero {
  background: linear-gradient(120deg, #061B30 0%, #0A2A4A 45%, #0d3d3a 100%);
  color: white;
  padding: 70px 0 90px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(201,162,39,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
}

.hero-content h1 span {
  color: var(--accent);
}

.hero-content p {
  font-size: 1.15rem;
  opacity: 0.92;
  margin-bottom: 32px;
  max-width: 520px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  position: relative;
}

.hero-lab-img {
  width: min(520px, 100%);
  height: auto;
  display: block;
  border-radius: 20px;
  mask-image: linear-gradient(to right, transparent 0%, black 35%, black 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 35%, black 100%);
}



/* ========== SECTIONS ========== */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header .badge {
  display: inline-block;
  background: rgba(201,162,39,0.15);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 12px;
  letter-spacing: 0.5px;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.05rem;
}

/* ========== SERVICES GRID ========== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.service-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid transparent;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

.service-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.5rem;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

.service-card a {
  color: var(--secondary);
  font-weight: 600;
  font-size: 0.9rem;
}

.service-card a:hover {
  color: var(--accent);
}

/* ========== FEATURES / WHY US ========== */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.why-item {
  text-align: center;
  padding: 28px 20px;
}

.why-item .icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: rgba(26,107,74,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--secondary);
}

.why-item h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--primary);
}

.why-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ========== PRODUCTS ========== */
.shop-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.category-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 18px;
  border-radius: 50px;
  border: 1px solid var(--border);
  background: white;
  font-size: 0.9rem;
  font-weight: 560;
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.product-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.product-img {
  height: 200px;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-img .placeholder {
  font-size: 3.5rem;
  color: var(--primary-light);
  opacity: 0.5;
}

.product-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
}

.product-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.product-cat {
  font-size: 0.75rem;
  color: var(--secondary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.product-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.3;
}

.product-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  flex: 1;
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.product-price {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--primary);
}

.product-price small {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ========== CART ========== */
.cart-table {
  width: 100%;
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.cart-table th,
.cart-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.cart-table th {
  background: var(--primary);
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
}

.cart-item-img {
  width: 60px;
  height: 60px;
  background: var(--bg-light);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.qty-control {
  display: flex;
  align-items: center;
  gap: 8px;
}

.qty-control button {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border);
  background: white;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 700;
}

.qty-control input {
  width: 40px;
  text-align: center;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px;
}

.cart-summary {
  background: white;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  margin-top: 24px;
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.cart-summary-row.total {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary);
  border-top: 2px solid var(--border);
  padding-top: 16px;
  margin-top: 16px;
}

/* ========== ABOUT ========== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-content h2 {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.about-content p {
  color: var(--text-muted);
  margin-bottom: 16px;
}

.legal-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.legal-badge {
  background: var(--bg-light);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
}

/* ========== CONTACT ========== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info h3 {
  font-size: 1.3rem;
  color: var(--primary);
  margin-bottom: 20px;
}

.contact-item {
  display: flex;
  gap: 14px;
  margin-bottom: 20px;
}

.contact-item .icon {
  width: 44px;
  height: 44px;
  background: rgba(10,42,74,0.08);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1.2rem;
  flex-shrink: 0;
}

.contact-form {
  background: white;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(10,42,74,0.1);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

/* ========== FOOTER ========== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.85);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand img {
  height: 70px;
  margin-bottom: 16px;
  background: white;
  border-radius: 50%;
  padding: 6px;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.footer h4 {
  color: white;
  font-size: 1.05rem;
  margin-bottom: 18px;
  font-weight: 700;
}

.footer ul li {
  margin-bottom: 10px;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
}

/* ========== WHATSAPP FLOAT ========== */
.wa-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.8rem;
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
  z-index: 999;
  transition: var(--transition);
}

.wa-float:hover {
  transform: scale(1.08);
}

/* ========== PAGE HERO (inner pages) ========== */
.page-hero {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  padding: 60px 0;
  text-align: center;
}

.page-hero h1 {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.page-hero p {
  opacity: 0.9;
  font-size: 1.1rem;
}

/* ========== RESPONSIVE ========== */

/* Tablet landscape & small desktop */
@media (max-width: 1024px) {
  .container {
    padding: 0 18px;
  }
  .hero-content h1 {
    font-size: 2.4rem;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Tablet portrait */
@media (max-width: 992px) {
  .hero .container,
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-visual {
    order: -1;
  }
  .hero-lab-img {
    width: min(420px, 90%);
    margin: 0 auto;
  }
  .hero-content {
    text-align: center;
  }
  .hero-content p {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-btns {
    justify-content: center;
  }
  .hero-content h1 {
    font-size: 2.1rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }
  .nav-actions .btn {
    display: none; /* hide request btn on tablet nav, still in menu */
  }
}

/* Mobile / Android phones & small tablets */
@media (max-width: 768px) {
  .header-top {
    font-size: 0.78rem;
    padding: 6px 0;
  }
  .header-top .container {
    justify-content: center;
    gap: 8px;
  }
  .navbar {
    padding: 10px 0;
    gap: 12px;
  }
  .logo img {
    height: 44px;
  }
  .logo-text {
    font-size: 0.95rem;
  }
  .logo-text span {
    font-size: 0.65rem;
  }
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    font-size: 1.4rem;
    /* larger touch target for Android */
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    padding: 12px 16px 20px;
    box-shadow: var(--shadow-lg);
    gap: 0;
    z-index: 999;
  }
  .nav-menu.active {
    display: flex;
  }
  .nav-menu li {
    border-bottom: 1px solid var(--border);
  }
  .nav-menu a {
    display: block;
    padding: 14px 8px; /* larger tap area */
    font-size: 1rem;
  }
  .nav-menu a.active::after,
  .nav-menu a:hover::after {
    display: none;
  }
  .nav-actions .btn {
    display: none;
  }
  .cart-btn {
    width: 44px;
    height: 44px;
  }

  .hero {
    padding: 36px 0 56px;
  }
  .hero-lab-img {
    width: min(360px, 92%);
    margin: 0 auto;
    border-radius: 16px;
  }
  .hero-visual {
    justify-content: center;
  }
  .hero-content h1 {
    font-size: 1.7rem;
    line-height: 1.25;
  }
  .hero-content p {
    font-size: 0.98rem;
  }
  .hero-lab-img {
    width: min(420px, 90%);
    margin: 0 auto;
  }
  .hero-btns {
    flex-direction: column;
    width: 100%;
  }
  .hero-btns .btn {
    width: 100%;
    min-height: 48px; /* Android recommended touch size */
    justify-content: center;
  }

  .section {
    padding: 40px 0;
  }
  .section-header {
    margin-bottom: 32px;
  }
  .section-header h2 {
    font-size: 1.5rem;
  }
  .section-header p {
    font-size: 0.95rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .service-card {
    padding: 24px 20px;
  }

  .why-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .why-item {
    padding: 20px 12px;
  }
  .why-item .icon {
    width: 52px;
    height: 52px;
    font-size: 1.3rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .product-img {
    height: 180px;
  }
  .product-footer {
    flex-wrap: wrap;
    gap: 10px;
  }
  .product-footer .btn {
    width: 100%;
    min-height: 44px;
  }

  .shop-toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .category-filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }
  .filter-btn {
    flex-shrink: 0;
    min-height: 40px;
    padding: 8px 16px;
  }

  .page-hero {
    padding: 40px 0;
  }
  .page-hero h1 {
    font-size: 1.7rem;
  }
  .page-hero p {
    font-size: 0.95rem;
    padding: 0 10px;
  }

  .contact-grid {
    gap: 28px;
  }
  .contact-form {
    padding: 22px 18px;
  }
  .form-group input,
  .form-group select,
  .form-group textarea {
    font-size: 16px; /* prevent iOS/Android zoom on focus */
    min-height: 46px;
  }
  .form-group textarea {
    min-height: 120px;
  }
  .btn {
    min-height: 46px;
  }
  .btn-block {
    width: 100%;
  }

  .footer {
    padding: 40px 0 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-brand img {
    height: 60px;
  }

  .wa-float {
    width: 56px;
    height: 56px;
    bottom: 18px;
    right: 18px;
    font-size: 1.6rem;
  }

  .cart-table th,
  .cart-table td {
    padding: 12px 10px;
    font-size: 0.85rem;
  }
  .qty-control button {
    width: 36px;
    height: 36px;
  }
  .qty-control input {
    width: 44px;
    height: 36px;
  }
}

/* Small Android phones */
@media (max-width: 480px) {
  .container {
    padding: 0 14px;
  }
  .logo-text {
    display: none; /* show only logo mark on very small screens */
  }
  .hero-content h1 {
    font-size: 1.5rem;
  }
  .hero-lab-img {
    width: min(420px, 90%);
    margin: 0 auto;
  }
  .why-grid {
    grid-template-columns: 1fr;
  }
  .section-header h2 {
    font-size: 1.35rem;
  }
  .service-card h3 {
    font-size: 1.05rem;
  }
  .product-title {
    font-size: 1rem;
  }
  .header-top a:first-child {
    display: none; /* hide email on very small to save space */
  }
}

/* Landscape phones */
@media (max-width: 900px) and (orientation: landscape) {
  .hero {
    padding: 28px 0 40px;
  }
  .hero-lab-img {
    width: min(420px, 90%);
    margin: 0 auto;
  }
  .hero .container {
    gap: 24px;
  }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
  .btn, .filter-btn, .cart-btn, .menu-toggle, .lang-btn {
    min-height: 44px;
  }
  .nav-menu a {
    padding: 16px 10px;
  }
  .service-card:hover,
  .product-card:hover {
    transform: none; /* reduce hover effects on touch */
  }
}

/* Utility */
.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.hidden { display: none !important; }

/* Empty cart */
.empty-cart {
  text-align: center;
  padding: 60px 20px;
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.empty-cart .icon {
  font-size: 4rem;
  color: var(--border);
  margin-bottom: 16px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 100px;
  right: 24px;
  background: var(--primary);
  color: white;
  padding: 14px 24px;
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.3s ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}