/* ==========================================================================
   Stratum Haven - Production Editorial Stylesheet
   Inspired by Slow Skincare & Clean Barrier Biology
   ========================================================================== */

:root {
  --bg: #FAF7F2;
  --bg-card: #FFFFFF;
  --bg-subtle: #F3ECE2;
  --bg-warm: #EFE8DC;
  --bg-tint: #EBF2ED;
  --ink: #161A18;
  --ink-secondary: #4E5953;
  --ink-muted: #7E8C83;
  --primary: #1E3B2B;
  --primary-hover: #14291E;
  --primary-light: #E7EFEA;
  --primary-subtle: #E8F0EB;
  --accent: #C16246;
  --accent-light: #FBF0EB;
  --sand: #EADBCA;
  --border: #E8E0D5;
  --border-light: #EFE9E0;
  --shadow-sm: 0 2px 10px rgba(22, 26, 24, 0.04);
  --shadow-md: 0 8px 28px rgba(22, 26, 24, 0.08);
  --shadow-lg: 0 20px 48px rgba(22, 26, 24, 0.12);
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 24px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Instrument Serif', Georgia, serif;
  --transition: all 0.28s cubic-bezier(0.16, 1, 0.3, 1);
  --max-w: 1260px;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

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

button, input, select, textarea {
  font: inherit;
}

.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 28px;
}

/* ==========================================================================
   Header & Announcements
   ========================================================================== */
.announcement-bar {
  background-color: var(--primary);
  color: #F3ECE2;
  text-align: center;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.03em;
}

.announcement-bar span {
  font-weight: 700;
  color: #FFFFFF;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(250, 247, 242, 0.95);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--primary);
}

.brand-logo svg {
  width: 32px;
  height: 32px;
}

.brand-logo span {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-secondary);
  position: relative;
  padding: 6px 0;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  border-radius: 2px;
}

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

.search-box {
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 8px 16px;
  width: 220px;
  transition: var(--transition);
}

.search-box:focus-within {
  width: 280px;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 59, 43, 0.08);
}

.search-box input {
  border: none;
  background: transparent;
  outline: none;
  font-size: 13px;
  width: 100%;
  margin-left: 8px;
}

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

.icon-btn:hover {
  background-color: var(--bg-subtle);
  color: var(--primary);
}

.cart-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  background-color: var(--accent);
  color: #FFFFFF;
  font-size: 11px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   Editorial Hero Section
   ========================================================================== */
.hero {
  padding: 64px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 60px;
}

.hero-editorial-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 20px;
}

.hero-editorial-tag::before {
  content: '';
  width: 8px;
  height: 8px;
  background-color: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 68px;
  line-height: 1.05;
  font-weight: 400;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero-title em {
  font-style: italic;
  color: var(--primary);
  font-family: var(--font-serif);
}

.hero-desc {
  font-size: 18px;
  line-height: 1.65;
  color: var(--ink-secondary);
  max-width: 530px;
  margin-bottom: 36px;
}

.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-pills-row {
  display: flex;
  gap: 24px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.hero-pill-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.hero-pill-item svg {
  color: var(--primary);
}

.hero-pill-item span {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-secondary);
}

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

.hero-pedestal-glow {
  position: absolute;
  width: 90%;
  height: 90%;
  background: radial-gradient(circle, rgba(235, 224, 210, 0.9) 0%, rgba(250, 247, 242, 0) 70%);
  border-radius: 50%;
  z-index: 1;
}

.hero-product-photo {
  position: relative;
  z-index: 2;
  filter: drop-shadow(0 20px 35px rgba(22, 26, 24, 0.12));
  transition: transform 0.5s ease;
  max-height: 480px;
  object-fit: contain;
}

.hero-product-photo:hover {
  transform: scale(1.02) translateY(-4px);
}

.hero-editorial-stamp {
  position: absolute;
  bottom: 12px;
  right: 12px;
  z-index: 3;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 105px;
  height: 105px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-shadow: var(--shadow-md);
  animation: floatSlow 5s ease-in-out infinite;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.hero-editorial-stamp span {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary);
  line-height: 1.2;
}

.hero-editorial-stamp b {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 400;
  color: var(--accent);
  line-height: 1.1;
  margin: 2px 0;
}

/* ==========================================================================
   Continuous Ethos Marquee (Ticker)
   ========================================================================== */
.ethos-marquee {
  background-color: var(--bg-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  white-space: nowrap;
  padding: 14px 0;
}

.marquee-track {
  display: inline-flex;
  gap: 40px;
  animation: marquee 35s linear infinite;
}

@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-secondary);
}

.marquee-item::after {
  content: '✦';
  color: var(--accent);
  margin-left: 28px;
  font-size: 11px;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 40px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(30, 59, 43, 0.2);
}

.btn-outline {
  background-color: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background-color: #FFFFFF;
  border-color: var(--ink);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}

/* ==========================================================================
   Categories (Tactile Tiles)
   ========================================================================== */
.categories-section {
  padding: 80px 0 60px;
}

.section-head-editorial {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
}

.section-head-editorial h2 {
  font-family: var(--font-serif);
  font-size: 44px;
  line-height: 1.1;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.section-head-editorial p {
  font-size: 16px;
  color: var(--ink-secondary);
  margin-top: 6px;
}

.tactile-cat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.tactile-cat-tile {
  background: #FFFFFF;
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
}

.tactile-cat-tile:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: var(--border);
}

.tactile-cat-media {
  background: var(--bg-subtle);
  aspect-ratio: 3 / 4;
  position: relative;
  overflow: hidden;
}

.tactile-cat-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.tactile-cat-tile:hover .tactile-cat-media img {
  transform: scale(1.06);
}

.tactile-cat-meta {
  padding: 16px 14px;
  text-align: center;
}

.tactile-cat-step {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 4px;
}

.tactile-cat-meta h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

/* ==========================================================================
   PRODUCT CARDS & THUMBNAILS (FIXED & POLISHED)
   ========================================================================== */
.products-section {
  padding: 60px 0 90px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.product-card {
  display: flex;
  flex-direction: column;
  position: relative;
  transition: var(--transition);
}

.product-thumb {
  position: relative;
  display: block;
  aspect-ratio: 3 / 4;
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: #F4EFEB;
  box-shadow: 0 4px 14px rgba(22, 26, 24, 0.05);
  border: 1px solid var(--border-light);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover .product-thumb {
  transform: translateY(-4px);
  box-shadow: 0 10px 28px rgba(22, 26, 24, 0.1);
  border-color: var(--border);
}

/* Edge-to-edge cover for 3:4 native product photos */
.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  padding: 0;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-card:hover .product-thumb img {
  transform: scale(1.04);
}

/* BADGE: Always on top with z-index: 10 and full text visibility */
.product-tag,
.product-badge-sticker {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 10;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  color: var(--primary);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 5px 12px;
  border-radius: 20px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  pointer-events: none;
  white-space: nowrap;
  display: inline-block;
  line-height: 1.3;
}

.product-info {
  padding-top: 16px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-brand {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 4px;
}

.product-name {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 6px;
  min-height: 42px;
}

.product-name a:hover {
  color: var(--primary);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-secondary);
  margin-bottom: 14px;
}

.product-rating svg {
  width: 14px;
  height: 14px;
  fill: #DDA035;
}

.product-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.price-current {
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.price-old {
  font-size: 13px;
  color: var(--ink-muted);
  text-decoration: line-through;
}

/* ==========================================================================
   Interactive Routine Diagnostic
   ========================================================================== */
.diagnostic-section {
  padding: 80px 0;
  background-color: var(--bg-warm);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.diagnostic-box {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.diagnostic-text span {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--primary);
  display: block;
  margin-bottom: 12px;
}

.diagnostic-text h2 {
  font-family: var(--font-serif);
  font-size: 38px;
  line-height: 1.15;
  margin-bottom: 16px;
}

.diagnostic-text p {
  font-size: 15px;
  color: var(--ink-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.diagnostic-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.diagnostic-btn {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  text-align: left;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.diagnostic-btn:hover, .diagnostic-btn.active {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.diagnostic-result {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 28px;
  border: 1px solid var(--border);
}

/* ==========================================================================
   The 3:1:1 Barrier Ratio Science Section
   ========================================================================== */
.science-section {
  padding: 90px 0;
  background: #FFFFFF;
}

.science-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.ratio-display {
  display: flex;
  gap: 16px;
  margin-top: 30px;
}

.ratio-card {
  flex: 1;
  background: var(--bg);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  border: 1px solid var(--border-light);
}

.ratio-card b {
  font-family: var(--font-serif);
  font-size: 36px;
  color: var(--primary);
  display: block;
}

.ratio-card h4 {
  font-size: 13px;
  margin: 6px 0 4px;
}

.ratio-card p {
  font-size: 11px;
  color: var(--ink-muted);
}

/* ==========================================================================
   Quotes / The Wall of Relief
   ========================================================================== */
.wall-section {
  padding: 80px 0 100px;
  background: var(--bg);
}

.quotes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.quote-card {
  background: #FFFFFF;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.quote-card p {
  font-family: var(--font-serif);
  font-size: 20px;
  line-height: 1.45;
  color: var(--ink);
  font-style: italic;
  margin-bottom: 24px;
}

.quote-author {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.quote-author b {
  color: var(--primary);
}

/* ==========================================================================
   Shop Layout & Filters
   ========================================================================== */
.shop-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  padding: 40px 0 90px;
}

.shop-sidebar {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.filter-group h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  color: var(--ink);
}

.filter-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.filter-btn {
  background: none;
  border: none;
  text-align: left;
  font-size: 14px;
  color: var(--ink-secondary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  transition: var(--transition);
  width: 100%;
}

.filter-btn:hover, .filter-btn.active {
  color: var(--primary);
  font-weight: 600;
}

.shop-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.toolbar-count {
  font-size: 14px;
  color: var(--ink-secondary);
}

.toolbar-sort select {
  padding: 8px 16px;
  border-radius: 30px;
  border: 1px solid var(--border);
  background: #FFFFFF;
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

/* ==========================================================================
   Product Detail Page (PDP)
   ========================================================================== */
.pdp-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  padding: 50px 0 90px;
}

.pdp-gallery {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.pdp-main-img {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.pdp-thumbs {
  display: flex;
  gap: 12px;
}

.pdp-thumb-item {
  width: 84px;
  height: 84px;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  overflow: hidden;
  background: #FFFFFF;
}

.pdp-thumb-item.active {
  border-color: var(--primary);
}

.pdp-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pdp-brand {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 8px;
}

.pdp-title {
  font-family: var(--font-serif);
  font-size: 42px;
  line-height: 1.15;
  margin-bottom: 14px;
}

.pdp-price-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.pdp-price {
  font-size: 28px;
  font-weight: 700;
  color: var(--ink);
}

.pdp-benefits-list {
  list-style: none;
  margin: 24px 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pdp-benefits-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--ink-secondary);
}

.pdp-benefits-list li svg {
  width: 18px;
  height: 18px;
  color: var(--primary);
  flex-shrink: 0;
}

.pdp-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 28px 0;
}

.qty-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 30px;
  background: #FFFFFF;
  padding: 4px;
}

.qty-btn {
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  border-radius: 50%;
}

.qty-btn:hover {
  background: var(--bg-subtle);
}

.qty-val {
  width: 36px;
  text-align: center;
  font-weight: 600;
  font-size: 14px;
}

.pdp-specs-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 32px;
  font-size: 14px;
}

.pdp-specs-table tr {
  border-bottom: 1px solid var(--border-light);
}

.pdp-specs-table td {
  padding: 12px 0;
}

.pdp-specs-table td:first-child {
  color: var(--ink-muted);
  width: 35%;
}

.pdp-specs-table td:last-child {
  font-weight: 500;
  color: var(--ink);
}

/* ==========================================================================
   Cart Drawer Overlay
   ========================================================================== */
.cart-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(22, 26, 24, 0.5);
  backdrop-filter: blur(6px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.cart-drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 440px;
  max-width: 100vw;
  height: 100vh;
  background: #FFFFFF;
  z-index: 210;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.cart-drawer-overlay.open .cart-drawer {
  transform: translateX(0);
}

.drawer-header {
  padding: 22px 26px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-header h3 {
  font-size: 18px;
  font-weight: 700;
}

.free-shipping-progress {
  padding: 12px 26px;
  background: var(--bg-subtle);
  font-size: 13px;
  color: var(--primary);
  border-bottom: 1px solid var(--border-light);
}

.progress-bar-bg {
  height: 6px;
  background: rgba(30, 59, 43, 0.12);
  border-radius: 4px;
  margin-top: 6px;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.drawer-items {
  flex-grow: 1;
  overflow-y: auto;
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.drawer-item {
  display: grid;
  grid-template-columns: 74px 1fr auto;
  gap: 14px;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.drawer-item img {
  width: 74px;
  height: 74px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
}

.drawer-item-info h4 {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
}

.drawer-item-info p {
  font-size: 13px;
  color: var(--ink-muted);
  margin-top: 2px;
}

.drawer-footer {
  padding: 24px 26px;
  border-top: 1px solid var(--border-light);
  background: var(--bg);
}

.drawer-subtotal {
  display: flex;
  justify-content: space-between;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

/* ==========================================================================
   Checkout Page
   ========================================================================== */
.checkout-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 50px;
  padding: 40px 0 80px;
}

.checkout-section {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  padding: 28px;
  margin-bottom: 24px;
}

.checkout-section h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--ink);
}

.form-group input, .form-group select {
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
  background: #FFFFFF;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(30, 59, 43, 0.1);
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 16px;
}

.stripe-pay-box {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  background: #FAF9F6;
  margin-top: 12px;
}

.stripe-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.stripe-header span {
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-icons {
  display: flex;
  gap: 6px;
}

.card-badge {
  background: #FFFFFF;
  border: 1px solid var(--border);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--ink-secondary);
}

.stripe-security-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--ink-muted);
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border-light);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: #151A17;
  color: #DDE5E0;
  padding: 80px 0 36px;
  margin-top: auto;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand h3 {
  font-family: var(--font-serif);
  font-size: 30px;
  color: #FFFFFF;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.65;
  color: #97A39B;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #FFFFFF;
  margin-bottom: 18px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: #97A39B;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  font-size: 13px;
  color: #727D76;
}

.footer-payments {
  display: flex;
  gap: 8px;
}

.footer-payments span {
  background: rgba(255, 255, 255, 0.08);
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: #CFD9D3;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid, .checkout-layout, .pdp-grid, .diagnostic-box, .science-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .shop-layout {
    grid-template-columns: 1fr;
  }
  .tactile-cat-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .quotes-grid {
    grid-template-columns: 1fr;
  }
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 46px;
  }
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .tactile-cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .main-nav {
    display: none;
  }
  .search-box {
    display: none;
  }
  .footer-top {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}