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

:root {
  --black: #0A0A0A;
  --white: #FFFFFF;
  --green: #00E676;
  --green-dark: #00C853;
  --gray-50: #FAFAFA;
  --gray-100: #F4F4F5;
  --gray-200: #E4E4E7;
  --gray-400: #A1A1AA;
  --gray-500: #71717A;
  --gray-700: #3F3F46;
  --gray-900: #18181B;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--black);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.text-green { color: var(--green); }
.text-white { color: var(--white); }

/* ===== Accessibility ===== */
.skip-to-content {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--green);
  color: var(--black);
  padding: 12px 24px;
  border-radius: 0 0 8px 8px;
  font-weight: 600;
  font-size: 0.875rem;
  z-index: 9999;
  transition: top 0.2s;
}

.skip-to-content:focus { top: 0; }

*:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}

/* ===== Navigation ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-900);
}

.navbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  color: var(--white);
}

.logo-mark {
  width: 36px;
  height: 36px;
  background: var(--green);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 16px;
  color: var(--black);
  letter-spacing: -0.05em;
}

.logo-text {
  font-weight: 800;
  font-size: 1.125rem;
  color: var(--white);
  letter-spacing: -0.02em;
}

.logo-text-green { color: var(--green); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-weight: 500;
  font-size: 0.9375rem;
  color: var(--gray-200);
  transition: color 0.2s;
}

.nav-link:hover, .nav-link.active { color: var(--green); }

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

.cart-btn {
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--gray-900);
  border: 1px solid var(--gray-700);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  transition: all 0.2s;
}

.cart-btn:hover {
  background: var(--green);
  color: var(--black);
  border-color: var(--green);
}

.cart-badge {
  position: absolute;
  top: -6px;
  right: -6px;
  background: var(--green);
  color: var(--black);
  font-size: 11px;
  font-weight: 700;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: none;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--black);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: all 0.3s ease;
}

.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); }

.mobile-nav {
  display: none;
  position: fixed;
  inset: 72px 0 0 0;
  background: var(--black);
  z-index: 999;
  padding: 32px 24px;
  flex-direction: column;
  gap: 24px;
}

.mobile-nav.active { display: flex; }

.mobile-nav a {
  color: var(--white);
  font-weight: 600;
  font-size: 1.25rem;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 14px 28px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
  letter-spacing: -0.01em;
}

.btn-green {
  background: var(--green);
  color: var(--black);
}

.btn-green:hover {
  background: var(--green-dark);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(0, 230, 118, 0.25);
}

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

.btn-black:hover {
  background: var(--gray-900);
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: var(--gray-700);
}

.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
}

.btn-ghost {
  background: transparent;
  color: var(--black);
  border: 1px solid var(--gray-200);
}

.btn-ghost:hover {
  border-color: var(--black);
}

.btn-lg { padding: 18px 36px; font-size: 1rem; }
.btn-block { width: 100%; }

/* ===== Hero ===== */
.hero {
  background: var(--black);
  color: var(--white);
  padding: 96px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 230, 118, 0.15), transparent 70%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 230, 118, 0.1);
  border: 1px solid rgba(0, 230, 118, 0.3);
  border-radius: 100px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--green);
  margin-bottom: 32px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--green);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--green);
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--gray-400);
  line-height: 1.5;
  margin-bottom: 40px;
  max-width: 560px;
}

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

/* ===== Section commons ===== */
.section {
  padding: 100px 0;
}

.section-dark {
  background: var(--black);
  color: var(--white);
}

.section-gray {
  background: var(--gray-50);
}

.section-header {
  margin-bottom: 56px;
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  flex-wrap: wrap;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  max-width: 700px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray-500);
  margin-top: 12px;
  max-width: 640px;
}

.section-link {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--black);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.2s;
}

.section-link:hover { gap: 10px; color: var(--green-dark); }

/* ===== Product Grid ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  overflow: hidden;
  transition: all 0.3s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--black);
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.product-image {
  aspect-ratio: 4 / 5;
  background: var(--gray-100);
  position: relative;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.product-card:hover .product-image img {
  transform: scale(1.05);
}

.product-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--green);
  color: var(--black);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

.product-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 12px;
}

.product-category {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.product-name {
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--black);
  letter-spacing: -0.01em;
}

.product-meta {
  font-size: 0.875rem;
  color: var(--gray-500);
}

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

.product-price {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--black);
  letter-spacing: -0.02em;
}

/* ===== Trust Section ===== */
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.trust-card {
  padding: 40px 32px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 16px;
  transition: all 0.3s;
}

.trust-card:hover {
  border-color: var(--green);
  transform: translateY(-2px);
}

.trust-icon {
  width: 48px;
  height: 48px;
  background: var(--black);
  color: var(--green);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.trust-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.trust-desc {
  color: var(--gray-500);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ===== Catalog Page ===== */
.catalog-header {
  background: var(--black);
  color: var(--white);
  padding: 80px 0 60px;
}

.catalog-header h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
}

.catalog-header p {
  color: var(--gray-400);
  font-size: 1.125rem;
}

.catalog-filters {
  display: flex;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 10px 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--black);
  transition: all 0.2s;
}

.filter-btn:hover {
  border-color: var(--black);
}

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

.catalog-section {
  padding: 60px 0 100px;
}

/* ===== Product Detail ===== */
.product-detail {
  padding: 60px 0 100px;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.product-detail-image {
  aspect-ratio: 1 / 1;
  background: var(--gray-100);
  border-radius: 16px;
  overflow: hidden;
}

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

.product-detail-body {
  padding-top: 24px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-bottom: 24px;
}

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

.product-detail-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}

.product-detail-price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--black);
  margin-bottom: 32px;
  letter-spacing: -0.02em;
}

.product-detail-desc {
  color: var(--gray-700);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.variant-group {
  margin-bottom: 32px;
}

.variant-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--black);
}

.variant-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.variant-option {
  min-width: 56px;
  padding: 12px 20px;
  background: var(--white);
  border: 1.5px solid var(--gray-200);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all 0.15s;
  text-align: center;
}

.variant-option:hover {
  border-color: var(--black);
}

.variant-option.selected {
  background: var(--black);
  color: var(--white);
  border-color: var(--black);
}

.product-detail-actions {
  display: flex;
  gap: 12px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.product-detail-info {
  border-top: 1px solid var(--gray-200);
  padding-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.info-line {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  color: var(--gray-700);
}

.info-line svg {
  flex-shrink: 0;
  color: var(--green-dark);
}

.product-detail-tabs {
  margin-top: 80px;
}

.tab-content {
  background: var(--gray-50);
  border-radius: 16px;
  padding: 40px;
}

.tab-content h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.tab-content p {
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 16px;
}

.tab-content ul {
  list-style: disc;
  padding-left: 24px;
  color: var(--gray-700);
}

.tab-content li {
  margin-bottom: 8px;
  line-height: 1.6;
}

/* ===== Cart ===== */
.cart-page {
  padding: 60px 0 100px;
}

.cart-page h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}

.cart-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 48px;
  align-items: start;
}

.cart-items {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cart-item {
  display: grid;
  grid-template-columns: 100px 1fr auto;
  gap: 20px;
  padding: 20px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  align-items: center;
}

.cart-item-image {
  width: 100px;
  height: 100px;
  background: var(--gray-100);
  border-radius: 8px;
  overflow: hidden;
}

.cart-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cart-item-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cart-item-name {
  font-weight: 700;
  font-size: 1rem;
}

.cart-item-variant {
  font-size: 0.875rem;
  color: var(--gray-500);
}

.cart-item-price {
  font-weight: 700;
  font-size: 1.0625rem;
  margin-top: 4px;
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 16px;
}

.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  overflow: hidden;
}

.qty-btn {
  width: 32px;
  height: 32px;
  background: var(--white);
  border: none;
  font-size: 1rem;
  color: var(--black);
  font-weight: 600;
}

.qty-btn:hover { background: var(--gray-100); }

.qty-value {
  width: 40px;
  text-align: center;
  font-weight: 600;
  font-size: 0.9375rem;
}

.cart-remove {
  background: none;
  border: none;
  color: var(--gray-500);
  padding: 8px;
  border-radius: 6px;
  display: flex;
  align-items: center;
}

.cart-remove:hover { color: #DC2626; background: #FEF2F2; }

.cart-summary {
  background: var(--gray-50);
  border-radius: 16px;
  padding: 32px;
  position: sticky;
  top: 96px;
}

.summary-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.summary-line {
  display: flex;
  justify-content: space-between;
  padding: 12px 0;
  font-size: 0.9375rem;
  color: var(--gray-700);
}

.summary-total {
  display: flex;
  justify-content: space-between;
  padding-top: 20px;
  margin-top: 12px;
  border-top: 1px solid var(--gray-200);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--black);
  letter-spacing: -0.01em;
}

.cart-empty {
  text-align: center;
  padding: 80px 24px;
}

.cart-empty-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.cart-empty h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cart-empty p {
  color: var(--gray-500);
  margin-bottom: 32px;
}

/* ===== Checkout note ===== */
.checkout-note {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-align: center;
  margin-top: 12px;
  line-height: 1.5;
}

/* ===== Footer ===== */
.footer {
  background: var(--black);
  color: var(--gray-400);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.875rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer h4 {
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

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

.footer ul a {
  font-size: 0.875rem;
  color: var(--gray-400);
  transition: color 0.2s;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-900);
  font-size: 0.8125rem;
}

/* ===== Legal pages ===== */
.legal-page {
  padding: 80px 0;
  max-width: 800px;
  margin: 0 auto;
}

.legal-page h1 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 40px;
}

.legal-section {
  margin-bottom: 32px;
}

.legal-section h2 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.legal-section p, .legal-section li {
  color: var(--gray-700);
  line-height: 1.7;
  margin-bottom: 8px;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--black);
  color: var(--white);
  padding: 14px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9375rem;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 9999;
  transition: transform 0.3s ease;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
}

.toast-icon {
  width: 24px;
  height: 24px;
  background: var(--green);
  color: var(--black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-title { font-size: 3.5rem; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: 1fr; }
  .product-detail-grid { grid-template-columns: 1fr; gap: 40px; }
  .cart-grid { grid-template-columns: 1fr; }
  .cart-summary { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .hero { padding: 64px 0 56px; }
  .hero-title { font-size: 2.5rem; }
  .hero-subtitle { font-size: 1.0625rem; }
  .section { padding: 64px 0; }
  .section-title { font-size: 2rem; }
  .product-grid { grid-template-columns: 1fr; gap: 24px; }
  .catalog-header h1 { font-size: 2.25rem; }
  .product-detail-title { font-size: 1.875rem; }
  .product-detail-price { font-size: 1.625rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .cart-item { grid-template-columns: 80px 1fr; }
  .cart-item-controls { grid-column: span 2; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--gray-200); }
  .cart-item-image { width: 80px; height: 80px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 2rem; }
  .section-title { font-size: 1.75rem; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}

/* ===== Scroll Runner (running shoe) ===== */
.scroll-runner {
  position: fixed;
  bottom: 18px;
  left: 0;
  width: 64px;
  height: 36px;
  z-index: 90;
  pointer-events: none;
  will-change: transform;
  opacity: 0;
  transition: opacity 0.4s ease;
  transform: translate3d(0, 0, 0);
}

.scroll-runner.visible { opacity: 1; }

.scroll-runner svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 8px 14px rgba(0, 230, 118, 0.35));
}

.runner-shoe {
  transform-origin: 50% 90%;
  transform: translateY(0) rotate(0deg);
}

.scroll-runner.running .runner-shoe {
  animation: shoe-bounce 0.34s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes shoe-bounce {
  0%   { transform: translateY(0)   rotate(-6deg); }
  25%  { transform: translateY(-8px) rotate(2deg); }
  50%  { transform: translateY(-2px) rotate(8deg); }
  75%  { transform: translateY(-6px) rotate(-2deg); }
  100% { transform: translateY(0)   rotate(-6deg); }
}

@media (max-width: 480px) {
  .scroll-runner { width: 48px; height: 28px; bottom: 12px; }
}

/* ===== Reveal-on-scroll animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scroll-runner.running .runner-shoe { animation: none; }
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ===== Trust bar ===== */
.trust-bar {
  background: var(--black);
  color: var(--white);
  padding: 9px 0;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-bottom: 1px solid var(--gray-900);
  position: relative;
  z-index: 1001;
}
.trust-bar-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}
.trust-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.trust-bar-item svg { color: var(--green); flex-shrink: 0; }
.trust-bar-divider {
  width: 1px;
  height: 12px;
  background: var(--gray-700);
  display: inline-block;
}
@media (max-width: 768px) {
  .trust-bar { font-size: 0.75rem; padding: 7px 0; }
  .trust-bar-inner { gap: 14px; }
  .trust-bar-divider { display: none; }
}

/* ===== Stock indicator ===== */
.stock-tag {
  position: absolute;
  bottom: 12px;
  left: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--black);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 999px;
  backdrop-filter: blur(8px);
  z-index: 2;
}
.stock-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px rgba(0, 230, 118, 0.2);
  flex-shrink: 0;
}
.stock-indicator {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 230, 118, 0.1);
  color: var(--green-dark);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: 999px;
  margin: 12px 0 20px;
}

/* ===== FAQ list ===== */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  background: var(--white);
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.faq-item[open] {
  border-color: var(--gray-400);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.faq-item summary {
  cursor: pointer;
  padding: 18px 20px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--black);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--gray-500);
  transition: transform 0.2s;
  flex-shrink: 0;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item p {
  padding: 0 20px 20px;
  color: var(--gray-500);
  font-size: 0.9375rem;
  line-height: 1.65;
  margin: 0;
}

/* ===== Related products on detail page ===== */
.related-products {
  margin-top: 80px;
  padding-top: 56px;
  border-top: 1px solid var(--gray-200);
}

/* ===== Mobile sticky add-to-cart bar ===== */
.mobile-sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--white);
  border-top: 1px solid var(--gray-200);
  padding: 12px 16px;
  z-index: 100;
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.08);
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.mobile-sticky-cta .mobile-sticky-price {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--black);
  flex-shrink: 0;
}
.mobile-sticky-cta .btn {
  flex: 1;
  width: auto;
}
@media (max-width: 768px) {
  .mobile-sticky-cta { display: flex; }
  body.has-sticky-cta { padding-bottom: 76px; }
  body.has-sticky-cta .scroll-runner { bottom: 88px; }
}