/* Winson Shoemaker – Design Tokens & Base Styles
   First-draft UI prototype – no backend
   Design system inspired by refined craftsmanship, original identity
*/

:root {
  /* Color Palette */
  --color-charcoal: #1A1A1A;
  --color-charcoal-soft: #2C2C2C;
  --color-tobacco: #8B5E3C;
  --color-tobacco-hover: #734C30;
  --color-ivory: #F8F5F0;
  --color-ivory-dark: #EFEBE3;
  --color-cream: #FAF7F2;
  --color-white: #FFFFFF;
  --color-gray-100: #F5F5F5;
  --color-gray-200: #E5E5E5;
  --color-gray-400: #A3A3A3;
  --color-gray-600: #525252;
  --color-gray-800: #262626;
  --color-success: #2F5D3A;
  --color-error: #9B2C2C;
  --color-warning: #92400E;

  /* Typography */
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;

  /* Spacing (4pt base) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Radius */
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.04);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.06), 0 2px 4px -2px rgb(0 0 0 / 0.04);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.07), 0 4px 6px -4px rgb(0 0 0 / 0.04);

  /* Layout */
  --header-height: 72px;
  --max-width: 1280px;
  --content-width: 720px;
}

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

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

body {
  font-family: var(--font-sans);
  color: var(--color-charcoal);
  background-color: var(--color-ivory);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul, ol {
  list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.25;
  color: var(--color-charcoal);
}

h1 { font-size: clamp(2.25rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.35rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  margin-bottom: var(--space-4);
  color: var(--color-gray-800);
}

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.leading-relaxed { line-height: 1.75; }
.tracking-wide { letter-spacing: 0.025em; }
.uppercase { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.75rem; }

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

.section {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}

.section-sm {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: rgba(248, 245, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
}

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

.logo {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--color-charcoal);
}

.logo span {
  font-weight: 400;
  opacity: 0.7;
  font-size: 0.85em;
}

.nav-desktop {
  display: none;
  gap: var(--space-8);
}

.nav-desktop a {
  font-size: 0.875rem;
  font-weight: 450;
  color: var(--color-gray-800);
  transition: color 0.2s ease;
  position: relative;
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--color-charcoal);
}

.nav-desktop a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-tobacco);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.icon-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-charcoal);
  border-radius: var(--radius-md);
  transition: background 0.2s ease;
  position: relative;
}

.icon-btn:hover {
  background: var(--color-ivory-dark);
}

.cart-count {
  position: absolute;
  top: 4px;
  right: 4px;
  background: var(--color-tobacco);
  color: white;
  font-size: 0.65rem;
  font-weight: 600;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn {
  display: flex;
}

@media (min-width: 1024px) {
  .nav-desktop { display: flex; }
  .mobile-menu-btn { display: none; }
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--color-ivory);
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
}

.mobile-menu.open {
  transform: translateX(0);
}

.mobile-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-10);
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.mobile-nav a {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-charcoal);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.875rem 1.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  cursor: pointer;
}

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

.btn-primary:hover {
  background: var(--color-charcoal-soft);
}

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

.btn-secondary:hover {
  background: var(--color-charcoal);
  color: var(--color-ivory);
}

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

.btn-accent:hover {
  background: var(--color-tobacco-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--color-gray-800);
}

.btn-ghost:hover {
  color: var(--color-charcoal);
  background: var(--color-ivory-dark);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
}

.btn-full {
  width: 100%;
}

/* Cards */
.product-card {
  group: true;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease;
}

.product-card:hover {
  transform: translateY(-2px);
}

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

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

.product-card:hover .product-card-image img {
  transform: scale(1.03);
}

.product-card-badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  background: var(--color-charcoal);
  color: white;
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 0.25rem 0.5rem;
  text-transform: uppercase;
}

.product-card-title {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  margin-bottom: var(--space-1);
}

.product-card-price {
  font-size: 0.875rem;
  color: var(--color-gray-600);
}

.product-card-soldout {
  color: var(--color-error);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: var(--space-1);
}

/* Product Detail */
.product-layout {
  display: grid;
  gap: var(--space-10);
}

@media (min-width: 1024px) {
  .product-layout {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-16);
  }
}

.product-gallery {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

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

.product-thumbs {
  display: flex;
  gap: var(--space-3);
}

.product-thumb {
  width: 72px;
  height: 90px;
  background: var(--color-gray-100);
  cursor: pointer;
  border: 1px solid transparent;
  transition: border-color 0.2s;
}

.product-thumb.active,
.product-thumb:hover {
  border-color: var(--color-charcoal);
}

.variant-group {
  margin-bottom: var(--space-6);
}

.variant-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
  color: var(--color-gray-600);
}

.variant-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.variant-btn {
  min-width: 48px;
  height: 40px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-gray-200);
  background: white;
  font-size: 0.875rem;
  transition: all 0.15s ease;
  border-radius: var(--radius-sm);
}

.variant-btn:hover:not(.disabled) {
  border-color: var(--color-charcoal);
}

.variant-btn.active {
  background: var(--color-charcoal);
  color: white;
  border-color: var(--color-charcoal);
}

.variant-btn.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  text-decoration: line-through;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

th, td {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
}

th {
  background: var(--color-ivory-dark);
  font-weight: 500;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-gray-600);
}

tr:last-child td {
  border-bottom: none;
}

/* Forms */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: var(--space-2);
  color: var(--color-charcoal);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background: white;
  font-size: 0.9375rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-charcoal);
  box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.08);
}

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

/* Cart Drawer */
.cart-drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.35);
  z-index: 70;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.cart-drawer-overlay.open {
  opacity: 1;
  visibility: visible;
}

.cart-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  max-width: 400px;
  height: 100%;
  background: var(--color-ivory);
  z-index: 80;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
}

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

.cart-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cart-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-6);
}

.cart-empty {
  text-align: center;
  padding: var(--space-16) var(--space-4);
  color: var(--color-gray-600);
}

.cart-item {
  display: flex;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-gray-200);
}

.cart-item-image {
  width: 80px;
  height: 100px;
  background: var(--color-gray-100);
  flex-shrink: 0;
}

.cart-footer {
  padding: var(--space-5) var(--space-6);
  border-top: 1px solid var(--color-gray-200);
}

/* Alerts / Toasts */
.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-charcoal);
  color: white;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  z-index: 100;
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Hero */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: var(--color-charcoal);
  color: var(--color-ivory);
  overflow: hidden;
}

.hero-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1s ease;
  z-index: 0;
}

.hero-slide.active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 26, 26, 0.55);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}

.hero h1 {
  color: var(--color-ivory);
  margin-bottom: var(--space-6);
}

.hero p {
  color: rgba(248, 245, 240, 0.8);
  font-size: 1.125rem;
  margin-bottom: var(--space-8);
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto var(--space-12);
}

.section-header p {
  color: var(--color-gray-600);
}

/* Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: var(--space-8) var(--space-6);
}

@media (min-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Footer */
.site-footer {
  background: var(--color-charcoal);
  color: var(--color-ivory);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
  }
}

.footer-brand p {
  color: rgba(248, 245, 240, 0.7);
  font-size: 0.9375rem;
  margin-top: var(--space-4);
}

.footer-col h4 {
  color: var(--color-ivory);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-5);
}

.footer-col a {
  display: block;
  color: rgba(248, 245, 240, 0.7);
  font-size: 0.875rem;
  margin-bottom: var(--space-3);
  transition: color 0.2s;
}

.footer-col a:hover {
  color: var(--color-ivory);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: 0.8125rem;
  color: rgba(248, 245, 240, 0.5);
}

/* Utilities */
.text-center { text-align: center; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Placeholder image styles */
.placeholder-img {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #e8e4dc 0%, #d4cfc4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-gray-400);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Real photo, layered over .placeholder-img — onerror removes it, revealing the placeholder */
.ph-photo {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-main-image,
.product-thumb {
  position: relative;
}

/* Process steps */
.process-step {
  display: flex;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
}

.process-number {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-charcoal);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 500;
}

/* Breadcrumb */
.breadcrumb {
  font-size: 0.8125rem;
  color: var(--color-gray-600);
  margin-bottom: var(--space-6);
}

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

/* Accordion */
.accordion-item {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  overflow: hidden;
}

.accordion-item summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-serif);
  font-size: 1.05rem;
}

.accordion-item summary::-webkit-details-marker {
  display: none;
}

.accordion-item summary::after {
  content: "+";
  font-size: 1.25rem;
  color: var(--color-gray-600);
  transition: transform 0.2s ease;
}

.accordion-item[open] summary {
  border-bottom: 1px solid var(--color-gray-200);
}

.accordion-item[open] summary::after {
  transform: rotate(45deg);
}

.accordion-item .accordion-body {
  padding: var(--space-5);
}

/* Measure tool */
.measure-diagram {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  margin-bottom: var(--space-8);
}

.measure-diagram svg {
  width: 100%;
  max-width: 260px;
  height: auto;
  color: var(--color-gray-800);
}

.measure-diagram .dim {
  opacity: 0.3;
  transition: opacity 0.2s ease;
}

.measure-diagram .dim[data-active="true"] {
  opacity: 1;
  color: var(--color-tobacco);
}

.measure-diagram svg .stroke {
  stroke: currentColor;
  fill: none;
}

.measure-diagram svg text {
  fill: currentColor;
}

.measure-diagram p {
  font-size: 0.8125rem;
  color: var(--color-gray-600);
  margin-top: var(--space-3);
  margin-bottom: 0;
}

.measure-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .measure-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.form-help {
  display: block;
  font-size: 0.75rem;
  color: var(--color-gray-600);
  margin-top: var(--space-2);
}

.form-input[aria-invalid="true"] {
  border-color: var(--color-error);
}

.measure-result {
  background: var(--color-ivory-dark);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-top: var(--space-2);
}

.measure-result .measure-result-size {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  color: var(--color-charcoal);
}

/* Badge */
.badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  background: var(--color-ivory-dark);
  color: var(--color-gray-800);
  border-radius: var(--radius-sm);
}