:root {
  /* Color Palette */
  --color-background: #f5f5f4; /* subtle warm gray */
  --color-surface: #ffffff;
  --color-surface-alt: #f1f1f0;
  --color-text: #202022;
  --color-text-muted: #6b6b70;
  --color-border-subtle: #e0e0de;

  --color-primary: #2f3a56; /* deep, trustworthy blue-gray */
  --color-primary-soft: #e2e5ee;

  --color-success: #267a4a;
  --color-success-soft: #e0f3e9;

  --color-warning: #b5811b;
  --color-warning-soft: #fff4e0;

  --color-danger: #b53737;
  --color-danger-soft: #fdeaea;

  --gray-50: #fafaf9;
  --gray-100: #f4f4f2;
  --gray-200: #e5e5e1;
  --gray-300: #d4d4ce;
  --gray-400: #a3a39c;
  --gray-500: #73736d;
  --gray-600: #52524e;
  --gray-700: #3f3f3a;
  --gray-800: #262624;
  --gray-900: #161615;

  /* Typography */
  --font-sans: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: "Playfair Display", "Times New Roman", serif;

  --font-size-xs: 0.75rem;   /* 12px */
  --font-size-sm: 0.875rem;  /* 14px */
  --font-size-base: 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: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.7;

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

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 4px 10px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 18px 45px rgba(15, 23, 42, 0.14);

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

  /* Layout */
  --container-max-width: 1200px;
  --container-padding-x: 1.5rem;
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  :root {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================================
   Reset / Normalize
   ========================================= */

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

html,
body {
  margin: 0;
  padding: 0;
}

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

body {
  min-height: 100vh;
}

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

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

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

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

ul,
ol {
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure {
  margin: 0;
}

/* Remove default focus outlines to re-add custom focus-visible */
:focus {
  outline: none;
}

/* =========================================
   Base Styles
   ========================================= */

body {
  font-family: var(--font-sans);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  background-color: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

h1,
 h2,
 h3,
 h4,
 h5,
 h6 {
  font-family: var(--font-serif);
  color: var(--color-text);
  font-weight: 500;
  line-height: var(--line-height-tight);
}

h1 {
  font-size: clamp(2.25rem, 2.5vw, 2.75rem);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-24);
}

h2 {
  font-size: clamp(1.875rem, 2vw, 2.25rem);
  margin-bottom: var(--space-20);
}

h3 {
  font-size: clamp(1.5rem, 1.5vw, 1.875rem);
  margin-bottom: var(--space-16);
}

h4 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-12);
}

h5 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-8);
}

h6 {
  font-size: var(--font-size-sm);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
}

p {
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

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

a {
  position: relative;
  color: var(--color-primary);
  transition: color var(--transition-base);
}

a:hover {
  color: #212838;
}

a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.1em;
  width: 0;
  height: 1px;
  background-color: currentColor;
  transition: width var(--transition-base);
}

a:not(.btn):hover::after {
  width: 100%;
}

strong,
 b {
  font-weight: 600;
}

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

hr {
  border: none;
  border-top: 1px solid var(--color-border-subtle);
  margin: var(--space-24) 0;
}

/* =========================================
   Accessibility & Focus Styles
   ========================================= */

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

/* Hide focus for mouse users in certain browsers */
:focus:not(:focus-visible) {
  outline: none;
}

/* Screen-reader only utility */
.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;
}

/* =========================================
   Utilities
   ========================================= */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-x);
  padding-right: var(--container-padding-x);
}

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

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

.flex-row {
  flex-direction: row;
}

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

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

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

.items-start {
  align-items: flex-start;
}

.items-end {
  align-items: flex-end;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-end {
  justify-content: flex-end;
}

.gap-8 {
  gap: var(--space-8);
}

.gap-16 {
  gap: var(--space-16);
}

.gap-24 {
  gap: var(--space-24);
}

.gap-32 {
  gap: var(--space-32);
}

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

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

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

.grid-gap-16 {
  gap: var(--space-16);
}

.grid-gap-24 {
  gap: var(--space-24);
}

.grid-gap-32 {
  gap: var(--space-32);
}

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

/* Spacing utilities (few core values) */
.mt-24 {
  margin-top: var(--space-24);
}

.mb-24 {
  margin-bottom: var(--space-24);
}

.py-24 {
  padding-top: var(--space-24);
  padding-bottom: var(--space-24);
}

.py-32 {
  padding-top: var(--space-32);
  padding-bottom: var(--space-32);
}

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

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

/* =========================================
   Components
   ========================================= */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid transparent;
  cursor: pointer;
  background-color: var(--color-primary);
  color: #ffffff;
  transition:
    background-color var(--transition-base),
    color var(--transition-base),
    border-color var(--transition-base),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.btn:hover {
  background-color: #212838;
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.6;
  box-shadow: none;
  transform: none;
}

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

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

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

.btn-ghost:hover {
  background-color: rgba(0, 0, 0, 0.03);
}

/* Inputs & Form Controls */
.input,
select,
textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-subtle);
  background-color: #ffffff;
  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] {
  background-color: var(--gray-100);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

label {
  display: inline-block;
  margin-bottom: var(--space-8);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.form-group {
  margin-bottom: var(--space-16);
}

.form-helper {
  margin-top: 0.35rem;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.form-error {
  margin-top: 0.35rem;
  font-size: var(--font-size-xs);
  color: var(--color-danger);
}

/* Card */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(15, 23, 42, 0.03);
  box-shadow: var(--shadow-sm);
  padding: var(--space-24);
}

.card--subtle {
  box-shadow: none;
  border-color: var(--color-border-subtle);
}

.card-header {
  margin-bottom: var(--space-16);
}

.card-title {
  font-family: var(--font-serif);
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-8);
}

.card-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card-body {
  font-size: var(--font-size-sm);
}

/* Product imagery wrapper suggestion */
.media-ratio-4-5 {
  position: relative;
  width: 100%;
  padding-top: 125%; /* 4:5 ratio */
  overflow: hidden;
  border-radius: var(--radius-md);
  background-color: var(--gray-100);
}

.media-ratio-4-5 > img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Badge for subtle labels (e.g., new collection, free shipping) */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.15rem 0.6rem;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background-color: var(--gray-100);
  color: var(--color-text-muted);
}

.badge--primary {
  background-color: var(--color-primary-soft);
  color: var(--color-primary);
}

.badge--success {
  background-color: var(--color-success-soft);
  color: var(--color-success);
}

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

/* Subtle section background */
.section-muted {
  background: linear-gradient(180deg, #f8f8f7 0%, #f1f1f0 100%);
}

.section-muted .card {
  background-color: #ffffff;
}