:root {
  /* Color Palette */
  --color-bg: #f6f6f7;
  --color-bg-elevated: #ffffff;
  --color-text: #141414;
  --color-text-muted: #6b6f76;
  --color-border-subtle: #e1e3e7;

  /* Accent colors (brand & states) */
  --color-primary: #111827; /* deep neutral, fashion-forward */
  --color-primary-soft: #f3f4f6;
  --color-primary-contrast: #ffffff;

  --color-success: #059669;
  --color-warning: #d97706;
  --color-danger: #b91c1c;

  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2933;
  --color-gray-900: #111827;

  /* Typography */
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-heading: "SF Pro Display", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-md: 1rem;      /* 16px */
  --font-size-lg: 1.125rem;  /* 18px */
  --font-size-xl: 1.25rem;   /* 20px */
  --font-size-2xl: 1.5rem;   /* 24px */
  --font-size-3xl: 1.875rem; /* 30px */
  --font-size-4xl: 2.25rem;  /* 36px */

  --line-height-tight: 1.15;
  --line-height-snug: 1.3;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

  /* Spacing scale (0–96px) */
  --space-0: 0;
  --space-1: 0.25rem;  /* 4px */
  --space-2: 0.5rem;   /* 8px */
  --space-3: 0.75rem;  /* 12px */
  --space-4: 1rem;     /* 16px */
  --space-5: 1.25rem;  /* 20px */
  --space-6: 1.5rem;   /* 24px */
  --space-8: 2rem;     /* 32px */
  --space-10: 2.5rem;  /* 40px */
  --space-12: 3rem;    /* 48px */
  --space-16: 4rem;    /* 64px */
  --space-20: 5rem;    /* 80px */
  --space-24: 6rem;    /* 96px */

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 999px; /* pill */

  /* Shadows (subtle, elevated for product cards/modals) */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.12);

  /* Transitions */
  --transition-fast: 120ms ease-out;
  --transition-base: 200ms ease-out;
  --transition-slow: 280ms ease-out;
}

/* ========================================
   Reset / Normalize
   ===================================== */
*, *::before, *::after {
  box-sizing: border-box;
}

* {
  margin: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
}

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

button {
  border: none;
  background: none;
  padding: 0;
}

ul[role="list"], ol[role="list"] {
  list-style: none;
  padding: 0;
}

/* ========================================
   Base Styles
   ===================================== */
body {
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main {
  min-height: 60vh;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: var(--line-height-snug);
  letter-spacing: 0.01em;
  color: var(--color-text);
}

h1 {
  font-size: clamp(2rem, 2.6vw, var(--font-size-4xl));
  margin-bottom: var(--space-4);
}

h2 {
  font-size: clamp(1.5rem, 2vw, var(--font-size-3xl));
  margin-bottom: var(--space-3);
}

h3 {
  font-size: clamp(1.25rem, 1.6vw, var(--font-size-2xl));
  margin-bottom: var(--space-2);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-1);
}

h6 {
  font-size: var(--font-size-md);
  margin-bottom: var(--space-1);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-muted);
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  text-underline-offset: 0.18em;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-gray-900);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

small {
  font-size: var(--font-size-sm);
}

strong {
  font-weight: 600;
}

hr {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-6) 0;
}

/* ========================================
   Accessibility & Motion
   ===================================== */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================================
   Layout Utilities
   ===================================== */
.container {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}

@media (min-width: 1200px) {
  .container {
    max-width: 1200px;
  }
}

/* Flex helpers */
.flex {
  display: flex;
}

.inline-flex {
  display: inline-flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.gap-xs {
  gap: var(--space-1);
}

.gap-sm {
  gap: var(--space-2);
}

.gap-md {
  gap: var(--space-4);
}

.gap-lg {
  gap: var(--space-6);
}

/* Grid helpers */
.grid {
  display: grid;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6);
}

@media (max-width: 768px) {
  .grid-2,
  .grid-3 {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* Spacing utilities (common) */
.mt-0 { margin-top: 0; }
.mt-xs { margin-top: var(--space-1); }
.mt-sm { margin-top: var(--space-2); }
.mt-md { margin-top: var(--space-4); }
.mt-lg { margin-top: var(--space-6); }

.mb-0 { margin-bottom: 0; }
.mb-xs { margin-bottom: var(--space-1); }
.mb-sm { margin-bottom: var(--space-2); }
.mb-md { margin-bottom: var(--space-4); }
.mb-lg { margin-bottom: var(--space-6); }

.py-section {
  padding-block: var(--space-10);
}

@media (min-width: 1024px) {
  .py-section {
    padding-block: var(--space-12);
  }
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

/* ========================================
   Components - Buttons
   ===================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding-inline: var(--space-4);
  padding-block: 0.65rem;
  border-radius: var(--radius-xl);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-primary-contrast);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-gray-900);
  border-color: var(--color-gray-900);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  color: var(--color-primary-contrast);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-xs);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text);
  border-color: var(--color-border-subtle);
}

.btn-outline:hover {
  border-color: var(--color-text);
  background-color: var(--color-primary-soft);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: rgba(15, 23, 42, 0.04);
}

.btn[disabled],
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

/* ========================================
   Components - Form Controls
   ===================================== */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="search"],
input[type="tel"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding-inline: var(--space-3);
  padding-block: 0.65rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-subtle);
  background-color: var(--color-bg-elevated);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    background-color var(--transition-base);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary-soft);
}

input[disabled],
select[disabled],
textarea[disabled] {
  cursor: not-allowed;
  background-color: var(--color-gray-100);
  color: var(--color-gray-500);
}

label {
  display: inline-block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-xs);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text);
}

.field-helper {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.field-error {
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* ========================================
   Components - Card (for products, info)
   ===================================== */
.card {
  position: relative;
  background-color: var(--color-bg-elevated);
  border-radius: var(--radius-md);
  border: 1px solid rgba(15, 23, 42, 0.04);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4);
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base),
    border-color var(--transition-base);
}

.card--hoverable:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(15, 23, 42, 0.08);
}

.card-header {
  margin-bottom: var(--space-3);
}

.card-body {
  color: var(--color-text-muted);
}

.card-footer {
  margin-top: var(--space-4);
}

/* ========================================
   Badges & Status (for sizes, promos)
   ===================================== */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 0.6rem;
  padding-block: 0.2rem;
  border-radius: var(--radius-xl);
  font-size: var(--font-size-xs);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid transparent;
}

.badge-neutral {
  background-color: var(--color-gray-100);
  color: var(--color-gray-700);
}

.badge-success {
  background-color: rgba(5, 150, 105, 0.08);
  color: var(--color-success);
  border-color: rgba(5, 150, 105, 0.25);
}

.badge-warning {
  background-color: rgba(217, 119, 6, 0.08);
  color: var(--color-warning);
  border-color: rgba(217, 119, 6, 0.25);
}

.badge-danger {
  background-color: rgba(185, 28, 28, 0.08);
  color: var(--color-danger);
  border-color: rgba(185, 28, 28, 0.25);
}

/* ========================================
   Helpers for Hero / Imagery Focus
   ===================================== */
.hero {
  padding-block: var(--space-16);
}

.hero--centered {
  text-align: center;
}

.hero-eyebrow {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.hero-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-3);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  max-width: 40rem;
  margin-inline: auto;
}

/* ========================================
   Tables (orders, cart overview)
   ===================================== */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.table thead {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.table th,
.table td {
  padding: var(--space-3) var(--space-2);
  text-align: left;
}

.table tbody tr + tr {
  border-top: 1px solid var(--color-border-subtle);
}

/* ========================================
   Toast / Helper Notifications (minimal)
   ===================================== */
.toast {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  box-shadow: var(--shadow-sm);
}

.toast--success {
  background-color: rgba(5, 150, 105, 0.06);
  color: var(--color-success);
}

.toast--danger {
  background-color: rgba(185, 28, 28, 0.06);
  color: var(--color-danger);
}

.toast--neutral {
  background-color: var(--color-gray-100);
  color: var(--color-text);
}

/* ========================================
   Misc
   ===================================== */
.hidden {
  display: none !important;
}

.max-w-narrow {
  max-width: 42rem;
}

.max-w-wide {
  max-width: 72rem;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-accent {
  color: var(--color-primary);
}

.bg-elevated {
  background-color: var(--color-bg-elevated);
}

.border-subtle {
  border: 1px solid var(--color-border-subtle);
}

.rounded-full {
  border-radius: var(--radius-xl);
}

.shadow-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-md {
  box-shadow: var(--shadow-md);
}