/* ============================================================
   FLUX — Complete Design System
   Based on the Flux Design Bible
   All styles in one file — no more changes
   ============================================================ */

/* ----- CUSTOM PROPERTIES ----- */
:root {
  /* Colors */
  --color-bone: #F8F6F0;
  --color-black: #1C1A17;
  --color-stone: #D4C9B8;
  --color-clay: #A67C6B;
  --color-sage: #8A9A86;
  --color-text-secondary: #5A5550;
  --color-text-muted: #8A8580;
  --color-border-light: #E8E2D8;
  --color-border-medium: #D4C9B8;
  --color-white: #FFFFFF;
  --color-success: #5F7A5A;
  --color-error: #B15E5E;

  /* Spacing (8px grid) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 32px;
  --space-xl: 64px;
  --space-2xl: 128px;

  /* Fonts */
  --font-serif: 'Playfair Display', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-none: 0;

  /* Container */
  --container-max: 1200px;
  --gutter-desktop: 40px;
  --gutter-mobile: 20px;

  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-black);
  background: var(--color-bone);
  -webkit-font-smoothing: antialiased;
}

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

a {
  text-decoration: none;
  color: inherit;
}

button {
  cursor: pointer;
  font-family: inherit;
}

/* ----- TYPOGRAPHY ----- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--color-black);
}

.section-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin-bottom: var(--space-lg);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.link-text {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--color-clay);
  border-bottom: 1px solid var(--color-border-light);
  transition: border-color 0.2s ease;
}

.link-text:hover {
  border-bottom-color: var(--color-clay);
}

/* ----- BUTTONS ----- */
.btn-primary {
  background: var(--color-black);
  color: var(--color-bone);
  padding: 14px 40px;
  border: none;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-none);
  transition: all 0.2s ease;
  display: inline-block;
  cursor: pointer;
}

.btn-primary:hover {
  background: #3A3530;
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-black);
  padding: 12px 36px;
  border: 1px solid var(--color-border-medium);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border-radius: var(--radius-none);
  transition: all 0.2s ease;
  display: inline-block;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--color-bone);
  border-color: var(--color-clay);
}

/* ----- HEADER ----- */
.site-header {
  background: var(--color-bone);
  border-bottom: 1px solid var(--color-border-light);
  padding: 16px var(--gutter-desktop);
  height: 72px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 24px;
  line-height: 1;
  color: var(--color-black);
  letter-spacing: -0.02em;
}

.main-nav {
  display: flex;
  gap: 32px;
}

.main-nav a {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.main-nav a:hover {
  color: var(--color-black);
  border-bottom-color: var(--color-clay);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.cart-toggle {
  background: none;
  border: none;
  font-size: 20px;
  color: var(--color-black);
  position: relative;
  cursor: pointer;
  padding: 4px;
}

.cart-badge {
  background: var(--color-clay);
  color: var(--color-bone);
  border-radius: 50%;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  position: absolute;
  top: -6px;
  right: -10px;
  min-width: 18px;
  text-align: center;
  line-height: 1.4;
}

/* ----- HERO ----- */
.hero {
  padding: var(--space-xl) var(--gutter-desktop) var(--space-2xl);
  background: var(--color-bone);
}

.hero-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-headline {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 52px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin-bottom: 20px;
}

.hero-subtext {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 18px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  max-width: 440px;
  margin-bottom: var(--space-lg);
}

.hero-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--color-stone);
}

/* ----- CATEGORIES ----- */
.categories {
  padding: var(--space-xl) var(--gutter-desktop);
  background: var(--color-white);
}

.categories-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.category-card {
  background: var(--color-bone);
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  text-align: center;
  transition: all 0.25s ease;
  border: 1px solid var(--color-border-light);
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(28, 26, 23, 0.06);
  border-color: var(--color-stone);
}

.category-icon {
  font-size: 32px;
  display: block;
  margin-bottom: var(--space-sm);
}

.category-card h3 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-black);
  margin-bottom: var(--space-xs);
}

.category-card p {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 12px;
  color: var(--color-text-muted);
  margin: 0;
}

/* ----- PRODUCT GRID (Shared) ----- */
.featured-products {
  padding: var(--space-xl) var(--gutter-desktop);
  background: var(--color-bone);
}

.featured-container,
.shop-container,
.cart-page-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

/* ----- PRODUCT CARD ----- */
.product-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.25s ease;
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.product-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(28, 26, 23, 0.06);
}

.product-image {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  background: var(--color-bone);
  display: block;
}

.product-title {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.3;
  color: var(--color-black);
  margin: 12px var(--space-md) 4px;
}

.product-price {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  line-height: 1;
  color: var(--color-text-secondary);
  margin: 0 var(--space-md) var(--space-md);
}

.product-add-btn {
  background: var(--color-black);
  color: var(--color-bone);
  padding: 10px var(--space-md);
  border: none;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  width: calc(100% - var(--space-lg));
  margin: 0 var(--space-md) var(--space-md);
  border-radius: var(--radius-none);
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.25s ease;
  cursor: pointer;
}

.product-card:hover .product-add-btn {
  opacity: 1;
  transform: translateY(0);
}

.product-add-btn:hover {
  background: #3A3530;
}

/* ----- SHOP PAGE ----- */
.shop-section {
  padding: var(--space-xl) var(--gutter-desktop);
  background: var(--color-bone);
}

.shop-header {
  margin-bottom: var(--space-lg);
}

.shop-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin-bottom: var(--space-md);
}

.shop-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.filter-btn {
  background: none;
  border: 1px solid var(--color-border-light);
  padding: 6px 16px;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  cursor: pointer;
}

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

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

/* ----- PRODUCT DETAIL ----- */
.product-detail {
  padding: var(--space-xl) var(--gutter-desktop);
  background: var(--color-bone);
}

.product-detail-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.product-detail-image img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--color-stone);
}

.product-detail-category {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-clay);
  margin-bottom: var(--space-sm);
}

.product-detail-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 36px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.product-detail-price {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 28px;
  color: var(--color-black);
  margin-bottom: var(--space-md);
}

.product-detail-description {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.product-detail-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.product-detail-stock {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
}

.product-detail-stock.in-stock {
  color: var(--color-success);
}

.product-detail-stock.out-of-stock {
  color: var(--color-error);
}

.product-detail-meta {
  border-top: 1px solid var(--color-border-light);
  padding-top: var(--space-md);
}

.product-detail-meta p {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.product-detail-meta p span {
  font-weight: 500;
  color: var(--color-text-secondary);
}

/* ----- CART PAGE ----- */
.cart-page {
  padding: var(--space-xl) var(--gutter-desktop);
  background: var(--color-bone);
  min-height: 60vh;
}

.cart-page-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin-bottom: var(--space-lg);
}

.cart-page-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: var(--space-xl);
}

.cart-items-list {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.empty-cart-page {
  text-align: center;
  padding: var(--space-xl) 0;
}

.empty-cart-page p {
  font-size: 18px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.cart-page-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
  align-items: center;
}

.cart-page-item:last-child {
  border-bottom: none;
}

.cart-page-item-image {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-stone);
}

.cart-page-item-info h3 {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  color: var(--color-black);
  margin-bottom: var(--space-xs);
}

.cart-page-item-price {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.cart-page-item-quantity {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.cart-page-item-quantity button {
  background: none;
  border: 1px solid var(--color-border-light);
  padding: 2px 10px;
  font-size: 16px;
  color: var(--color-black);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.cart-page-item-quantity button:hover {
  background: var(--color-border-light);
}

.cart-page-item-quantity span {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
  color: var(--color-black);
  min-width: 24px;
  text-align: center;
}

.cart-page-item-total {
  text-align: right;
}

.cart-page-item-total p {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 16px;
  color: var(--color-black);
}

.cart-page-item-remove {
  background: none;
  border: none;
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--color-error);
  cursor: pointer;
  margin-top: var(--space-xs);
}

.cart-summary {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  align-self: start;
  position: sticky;
  top: 100px;
}

.cart-summary h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-md);
}

.cart-summary-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: var(--space-sm) 0;
}

.cart-summary-total {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  color: var(--color-black);
  border-top: 2px solid var(--color-border-medium);
  padding-top: var(--space-md);
  margin-top: var(--space-sm);
}

.cart-summary .btn-checkout {
  margin-top: var(--space-md);
}

/* ----- CHECKOUT ----- */
.checkout-section {
  padding: var(--space-xl) var(--gutter-desktop);
  background: var(--color-bone);
  min-height: 60vh;
}

.checkout-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

.checkout-title {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin-bottom: var(--space-lg);
}

.checkout-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-xl);
}

.checkout-form {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.checkout-form .form-group {
  margin-bottom: var(--space-md);
}

.checkout-form label {
  display: block;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

.checkout-form input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.4;
  color: var(--color-black);
  background: var(--color-white);
  transition: border 0.2s ease;
}

.checkout-form input:focus {
  border-color: var(--color-clay);
  outline: none;
  box-shadow: 0 0 0 3px rgba(166, 124, 107, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.checkout-form .btn-primary {
  width: 100%;
  margin-top: var(--space-sm);
}

.checkout-summary {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  align-self: start;
  position: sticky;
  top: 100px;
}

.checkout-summary h3 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-black);
  margin-bottom: var(--space-md);
}

.checkout-item {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.checkout-total {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  color: var(--color-black);
  border-top: 2px solid var(--color-border-medium);
  padding-top: var(--space-md);
  margin-top: var(--space-sm);
}

.checkout-note {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
  text-align: center;
}

/* ----- CONFIRMATION ----- */
.confirmation-section {
  padding: var(--space-2xl) var(--gutter-desktop);
  background: var(--color-bone);
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.confirmation-container {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

.confirmation-icon {
  font-size: 64px;
  color: var(--color-success);
  margin-bottom: var(--space-md);
}

.confirmation-title {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-black);
  margin-bottom: var(--space-sm);
}

.confirmation-subtext {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.confirmation-details {
  background: var(--color-bone);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  text-align: left;
}

.confirmation-row {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
  color: var(--color-text-secondary);
  padding: var(--space-sm) 0;
}

.confirmation-row:not(:last-child) {
  border-bottom: 1px solid var(--color-border-light);
}

.confirmation-status {
  color: var(--color-success);
  font-weight: 600;
}

.confirmation-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
}

/* ----- CART (Slide-out) ----- */
.cart-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(28, 26, 23, 0.4);
  backdrop-filter: blur(4px);
  z-index: 2000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.cart-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.cart-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 420px;
  max-width: 90vw;
  height: 100%;
  background: var(--color-bone);
  z-index: 2001;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s var(--ease-out);
}

.cart-panel.active {
  transform: translateX(0);
}

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

.cart-header h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 24px;
  line-height: 1;
  color: var(--color-black);
  margin: 0;
}

.cart-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 4px 8px;
  transition: color 0.2s;
}

.cart-close:hover {
  color: var(--color-black);
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-md) 0;
}

.empty-cart-message {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
  color: var(--color-text-muted);
  text-align: center;
  padding: var(--space-lg) 0;
}

.cart-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: var(--space-md);
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border-light);
  align-items: center;
}

.cart-item-image {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-stone);
}

.cart-item-info h4 {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.3;
  color: var(--color-black);
  margin: 0;
}

.cart-item-price {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  color: var(--color-text-secondary);
}

.cart-item-quantity {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-xs);
}

.cart-item-quantity button {
  background: none;
  border: 1px solid var(--color-border-light);
  padding: 2px 8px;
  font-size: 14px;
  color: var(--color-black);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.cart-item-quantity button:hover {
  background: var(--color-border-light);
}

.cart-item-quantity span {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 14px;
  color: var(--color-black);
  min-width: 20px;
  text-align: center;
}

.cart-footer {
  border-top: 2px solid var(--color-border-medium);
  padding-top: var(--space-md);
}

.cart-total {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  color: var(--color-black);
  margin-bottom: var(--space-md);
}

.btn-checkout {
  background: var(--color-black);
  color: var(--color-bone);
  padding: var(--space-md);
  border: none;
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  width: 100%;
  border-radius: var(--radius-none);
  transition: background 0.2s ease;
  cursor: pointer;
  text-align: center;
  display: block;
}

.btn-checkout:hover {
  background: #3A3530;
}

/* ----- FLUX DIFFERENCE (Homepage) ----- */
.flux-difference {
  padding: var(--space-xl) var(--gutter-desktop);
  background: var(--color-white);
}

.difference-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.difference-badge {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-clay);
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.difference-content h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 36px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-black);
  margin-bottom: var(--space-md);
}

.difference-content p {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

.difference-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.difference-grid h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
  color: var(--color-black);
  margin-bottom: var(--space-xs);
}

.difference-grid p {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-muted);
  margin: 0;
}

.difference-image img {
  width: 100%;
  height: auto;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: var(--radius-md);
  background: var(--color-stone);
}

/* ----- FOOTER ----- */
.site-footer {
  background: var(--color-black);
  color: var(--color-stone);
  padding: 48px var(--gutter-desktop) 32px;
  margin-top: var(--space-xl);
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
}

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

.footer-logo {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
  color: var(--color-bone);
  letter-spacing: -0.02em;
  display: inline-block;
  margin-bottom: var(--space-sm);
}

.footer-description {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 240px;
}

.footer-headline {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-bone);
  margin-bottom: var(--space-sm);
}

.footer-link {
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 13px;
  line-height: 1.6;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 4px;
  transition: color 0.2s;
}

.footer-link:hover {
  color: var(--color-stone);
}

.footer-bottom {
  border-top: 1px solid #3A3530;
  padding-top: 20px;
  margin-top: var(--space-lg);
  display: flex;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: 12px;
  color: var(--color-text-muted);
}

/* ----- RESPONSIVE ----- */
@media (max-width: 1024px) {
  .hero-headline { font-size: 40px; }
  .product-grid { grid-template-columns: repeat(3, 1fr); }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .checkout-grid { grid-template-columns: 1fr; }
  .cart-page-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
}

@media (max-width: 768px) {
  .main-nav { display: none; }
  .hero-container { grid-template-columns: 1fr; gap: var(--space-lg); text-align: center; }
  .hero-subtext { max-width: 100%; margin-left: auto; margin-right: auto; }
  .hero-headline { font-size: 36px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }
  .category-grid { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
  .difference-container { grid-template-columns: 1fr; gap: var(--space-lg); }
  .difference-content h2 { font-size: 28px; }
  .difference-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-lg); }
  .footer-bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }
  .site-header { padding: 12px var(--gutter-mobile); }
  .hero, .categories, .featured-products, .flux-difference, .shop-section, .product-detail, .cart-page, .checkout-section, .confirmation-section {
    padding-left: var(--gutter-mobile);
    padding-right: var(--gutter-mobile);
  }
  .cart-panel { width: 100%; max-width: 100%; padding: var(--space-md); }
  .product-detail-grid { grid-template-columns: 1fr; gap: var(--space-lg); }
  .product-detail-title { font-size: 28px; }
  .product-detail-price { font-size: 24px; }
  .product-detail-actions { flex-direction: column; align-items: stretch; }
  .confirmation-container { padding: var(--space-lg); }
  .confirmation-actions { flex-direction: column; align-items: center; }
  .checkout-form { padding: var(--space-md); }
  .form-row { grid-template-columns: 1fr; gap: var(--space-sm); }
  .cart-page-item { grid-template-columns: 60px 1fr; gap: var(--space-sm); }
  .cart-page-item-total { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; }
}

@media (max-width: 480px) {
  .product-grid { grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
  .hero-headline { font-size: 28px; }
  .hero-subtext { font-size: 16px; }
  .btn-primary { padding: 12px 24px; font-size: 12px; }
  .section-title { font-size: 22px; }
  .category-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-description { max-width: 100%; }
  .shop-title { font-size: 28px; }
  .cart-page-title { font-size: 28px; }
  .checkout-title { font-size: 28px; }
  .confirmation-title { font-size: 28px; }
}