/* ==========================================================================
   Saveurs et Table — Base Foundation
   Culinary Carousel Design System
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design Tokens
   -------------------------------------------------------------------------- */

:root {
  /* Color Tokens */
  --color-azure: #2A9D8F;
  --color-apricot: #F4A261;
  --color-pistachio: #A8C686;
  --color-ivory: #FFF8E7;
  --color-bordeaux: #6B2D3A;
  --color-ink: #2B2B2B;
  --color-white: #FFFFFF;

  /* Semantic Color Aliases */
  --color-primary: var(--color-azure);
  --color-primary-hover: #23877a;
  --color-secondary: var(--color-apricot);
  --color-secondary-hover: #e08e4e;
  --color-tertiary: var(--color-pistachio);
  --color-background: var(--color-ivory);
  --color-surface: var(--color-white);
  --color-surface-warm: var(--color-ivory);
  --color-text: var(--color-ink);
  --color-text-heading: var(--color-bordeaux);
  --color-text-inverse: var(--color-white);
  --color-text-muted: rgba(43, 43, 43, 0.7);
  --color-border: rgba(43, 43, 43, 0.1);
  --color-border-strong: rgba(43, 43, 43, 0.2);
  --color-focus: var(--color-azure);
  --color-overlay: rgba(0, 0, 0, 0.5);
  --color-overlay-light: rgba(0, 0, 0, 0.3);
  --color-success: var(--color-pistachio);
  --color-error: #c0392b;
  --color-warning: var(--color-apricot);

  /* Typography */
  --font-heading: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Source Sans 3", "Source Sans Pro", "Segoe UI", Arial, sans-serif;

  --text-display: 3.5rem;
  --text-h1: 2.5rem;
  --text-h2: 2rem;
  --text-h3: 1.5rem;
  --text-body: 1rem;
  --text-small: 0.875rem;

  --leading-display: 1.1;
  --leading-h1: 1.2;
  --leading-h2: 1.3;
  --leading-h3: 1.4;
  --leading-body: 1.6;
  --leading-small: 1.5;

  --tracking-heading: 0.01em;
  --tracking-body: 0.015em;
  --tracking-small: 0.02em;

  --weight-heading: 600;
  --weight-body: 400;
  --weight-body-medium: 500;
  --weight-body-semibold: 600;

  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4rem;
  --space-8: 6rem;

  /* Container */
  --container-max: 1200px;
  --container-gutter-desktop: 2rem;
  --container-gutter-tablet: 2rem;
  --container-gutter-mobile: 1rem;

  /* Surfaces */
  --surface-card-bg: var(--color-white);
  --surface-card-border: 1px solid var(--color-border);
  --surface-card-padding: 1.5rem;
  --surface-card-padding-large: 2rem;
  --surface-evening-bg: var(--color-bordeaux);
  --surface-evening-text: var(--color-white);

  /* Borders & Corners */
  --border-width: 1px;
  --border-style: solid;
  --border-color: var(--color-border);
  --border: var(--border-width) var(--border-style) var(--border-color);
  --border-strong: var(--border-width) var(--border-style) var(--color-border-strong);

  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 16px;
  --radius-circular: 50%;

  /* Shadows */
  --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-focus: 0 0 0 2px var(--color-focus);
  --shadow-modal: 0 8px 24px rgba(0, 0, 0, 0.15);

  /* Focus */
  --focus-outline-width: 2px;
  --focus-outline-style: solid;
  --focus-outline-color: var(--color-focus);
  --focus-outline-offset: 2px;
  --focus-outline: var(--focus-outline-width) var(--focus-outline-style) var(--focus-outline-color);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;
  --transition-smooth: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-base: 1;
  --z-sticky: 100;
  --z-header: 200;
  --z-drawer: 300;
  --z-overlay: 400;
  --z-modal: 500;
  --z-popup: 600;
  --z-toast: 700;
}

/* --------------------------------------------------------------------------
   2. Reset & Base
   -------------------------------------------------------------------------- */

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

html {
  font-size: 100%;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  color: var(--color-text);
  background-color: var(--color-background);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

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

img {
  border-radius: var(--radius-medium);
}

svg {
  fill: currentColor;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
  text-decoration-color: currentColor;
}

a:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
  border-radius: var(--radius-small);
}

button,
input,
select,
textarea {
  font: inherit;
  letter-spacing: inherit;
  color: inherit;
  background: none;
  border: none;
  border-radius: 0;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

button {
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  text-align: inherit;
  font: inherit;
  color: inherit;
  letter-spacing: inherit;
}

button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
  border-radius: var(--radius-small);
}

ul,
ol {
  list-style-position: inside;
}

ul {
  list-style-type: disc;
}

ol {
  list-style-type: decimal;
}

li {
  list-style-position: outside;
}

blockquote {
  margin: 0;
  padding: 0;
}

hr {
  border: none;
  border-top: var(--border);
  margin: var(--space-6) 0;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
  width: 100%;
}

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

th {
  font-weight: var(--weight-body-semibold);
  color: var(--color-text-heading);
}

fieldset {
  border: none;
  padding: 0;
  margin: 0;
}

legend {
  padding: 0;
  font-weight: var(--weight-body-semibold);
  color: var(--color-text-heading);
}

/* --------------------------------------------------------------------------
   3. Typography Defaults
   -------------------------------------------------------------------------- */

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  color: var(--color-text-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-h3);
  margin-block-end: var(--space-3);
  text-wrap: balance;
}

h1 {
  font-size: var(--text-h1);
  line-height: var(--leading-h1);
  margin-block-end: var(--space-4);
}

h2 {
  font-size: var(--text-h2);
  line-height: var(--leading-h2);
  margin-block-end: var(--space-4);
}

h3 {
  font-size: var(--text-h3);
  line-height: var(--leading-h3);
  margin-block-end: var(--space-3);
}

h4 {
  font-size: 1.25rem;
  line-height: 1.4;
  margin-block-end: var(--space-2);
}

h5 {
  font-size: 1.125rem;
  line-height: 1.4;
  margin-block-end: var(--space-2);
}

h6 {
  font-size: 1rem;
  line-height: 1.4;
  margin-block-end: var(--space-2);
}

.display {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-heading);
  color: var(--color-text-heading);
  margin-block-end: var(--space-4);
}

p {
  margin-block-end: var(--space-3);
  line-height: var(--leading-body);
  text-wrap: pretty;
}

p:last-child {
  margin-block-end: 0;
}

strong,
b {
  font-weight: var(--weight-body-semibold);
}

em,
i {
  font-style: italic;
}

small {
  font-size: var(--text-small);
  line-height: var(--leading-small);
  letter-spacing: var(--tracking-small);
  color: var(--color-text-muted);
}

.overline {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: var(--weight-body-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-block-end: var(--space-2);
}

/* Lists */
ul,
ol {
  margin-block-end: var(--space-3);
  padding-inline-start: var(--space-4);
}

ul:last-child,
ol:last-child {
  margin-block-end: 0;
}

/* Content list spacing — scoped to avoid affecting nav/flex lists */
.content-list,
.rich-text ul,
.rich-text ol,
article ul,
article ol {
  margin-block-end: var(--space-3);
}

.content-list li,
.rich-text li,
article li {
  margin-block-end: var(--space-1);
}

.content-list li:last-child,
.rich-text li:last-child,
article li:last-child {
  margin-block-end: 0;
}

blockquote {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--color-text-heading);
  border-inline-start: 3px solid var(--color-primary);
  padding-inline-start: var(--space-4);
  margin-block-end: var(--space-4);
}

blockquote:last-child {
  margin-block-end: 0;
}

blockquote cite {
  display: block;
  font-family: var(--font-body);
  font-style: normal;
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin-block-start: var(--space-2);
}

/* --------------------------------------------------------------------------
   4. Media Defaults
   -------------------------------------------------------------------------- */

figure {
  margin: 0;
  margin-block-end: var(--space-4);
}

figure:last-child {
  margin-block-end: 0;
}

figcaption {
  font-size: var(--text-small);
  color: var(--color-text-muted);
  margin-block-start: var(--space-2);
  text-align: center;
}

/* --------------------------------------------------------------------------
   5. Form Defaults
   -------------------------------------------------------------------------- */

label {
  display: block;
  font-weight: var(--weight-body-medium);
  margin-block-end: var(--space-1);
  color: var(--color-text);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="search"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
input[type="month"],
input[type="week"],
input[type="password"],
select,
textarea {
  display: block;
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  letter-spacing: var(--tracking-body);
  color: var(--color-text);
  background-color: var(--color-surface);
  border: var(--border);
  border-radius: var(--radius-small);
  padding: var(--space-2) var(--space-3);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="url"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
input[type="datetime-local"]:focus,
input[type="month"]:focus,
input[type="week"]:focus,
input[type="password"]:focus,
select:focus,
textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(42, 157, 143, 0.2);
  outline: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

textarea {
  resize: vertical;
  min-height: 6rem;
}

select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%232B2B2B' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-inline-end: var(--space-6);
  cursor: pointer;
}

input[type="checkbox"],
input[type="radio"] {
  width: 1.125rem;
  height: 1.125rem;
  min-height: auto;
  accent-color: var(--color-primary);
  cursor: pointer;
  vertical-align: middle;
  margin-inline-end: var(--space-2);
}

input[type="checkbox"] + label,
input[type="radio"] + label {
  display: inline;
  font-weight: var(--weight-body);
  cursor: pointer;
}

input[type="submit"],
input[type="reset"],
input[type="button"] {
  cursor: pointer;
}

/* --------------------------------------------------------------------------
   6. Container
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-gutter-desktop);
}

/* --------------------------------------------------------------------------
   7. Reusable Primitives
   -------------------------------------------------------------------------- */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-body-semibold);
  letter-spacing: var(--tracking-body);
  line-height: 1.2;
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  border: 2px solid transparent;
  border-radius: var(--radius-small);
  padding: var(--space-2) var(--space-4);
  min-height: 44px;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  -webkit-user-select: none;
  -moz-user-select: none;
  user-select: none;
}

.btn:hover {
  text-decoration: none;
}

.btn:focus-visible {
  outline: var(--focus-outline);
  outline-offset: var(--focus-outline-offset);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

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

.btn-secondary {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
  color: var(--color-ink);
}

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

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

.btn-outline:hover {
  background-color: var(--color-bordeaux);
  border-color: var(--color-bordeaux);
  color: var(--color-white);
}

.btn-outline-light {
  background-color: transparent;
  border-color: var(--color-white);
  color: var(--color-white);
}

.btn-outline-light:hover {
  background-color: var(--color-white);
  border-color: var(--color-white);
  color: var(--color-bordeaux);
}

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

.btn-ghost:hover {
  background-color: rgba(42, 157, 143, 0.1);
  color: var(--color-primary-hover);
}

.btn-sm {
  font-size: var(--text-small);
  padding: var(--space-1) var(--space-3);
  min-height: 36px;
}

.btn-lg {
  font-size: 1.125rem;
  padding: var(--space-3) var(--space-5);
  min-height: 52px;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Cards */
.card {
  background-color: var(--surface-card-bg);
  border: var(--surface-card-border);
  border-radius: var(--radius-medium);
  padding: var(--surface-card-padding);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.card:last-child {
  margin-block-end: 0;
}

.card:hover {
  box-shadow: var(--shadow-hover);
}

.card-padded-lg {
  padding: var(--surface-card-padding-large);
}

.card-flat {
  box-shadow: none;
}

.card-flat:hover {
  box-shadow: none;
}

/* Surfaces */
.surface-ivory {
  background-color: var(--color-ivory);
}

.surface-white {
  background-color: var(--color-white);
}

.surface-evening {
  background-color: var(--surface-evening-bg);
  color: var(--surface-evening-text);
}

.surface-evening h1,
.surface-evening h2,
.surface-evening h3,
.surface-evening h4,
.surface-evening h5,
.surface-evening h6,
.surface-evening .display {
  color: var(--color-white);
}

.surface-evening a {
  color: var(--color-secondary);
}

.surface-evening a:hover {
  color: var(--color-secondary-hover);
}

.surface-evening small {
  color: rgba(255, 255, 255, 0.7);
}

.surface-evening .overline {
  color: var(--color-secondary);
}

/* Text utilities */
.text-center {
  text-align: center;
}

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

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

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

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

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

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

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

.text-small {
  font-size: var(--text-small);
  line-height: var(--leading-small);
}

.text-display {
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-display);
  letter-spacing: var(--tracking-heading);
  color: var(--color-text-heading);
}

/* Spacing utilities */
.mt-0 { margin-block-start: 0; }
.mt-1 { margin-block-start: var(--space-1); }
.mt-2 { margin-block-start: var(--space-2); }
.mt-3 { margin-block-start: var(--space-3); }
.mt-4 { margin-block-start: var(--space-4); }
.mt-5 { margin-block-start: var(--space-5); }
.mt-6 { margin-block-start: var(--space-6); }
.mt-7 { margin-block-start: var(--space-7); }
.mt-8 { margin-block-start: var(--space-8); }

.mb-0 { margin-block-end: 0; }
.mb-1 { margin-block-end: var(--space-1); }
.mb-2 { margin-block-end: var(--space-2); }
.mb-3 { margin-block-end: var(--space-3); }
.mb-4 { margin-block-end: var(--space-4); }
.mb-5 { margin-block-end: var(--space-5); }
.mb-6 { margin-block-end: var(--space-6); }
.mb-7 { margin-block-end: var(--space-7); }
.mb-8 { margin-block-end: var(--space-8); }

/* Flex utilities */
.flex {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.flex > * {
  min-width: 0;
}

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

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

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

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

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

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

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

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

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

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

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

.flex-gap-1 { gap: var(--space-1); }
.flex-gap-2 { gap: var(--space-2); }
.flex-gap-3 { gap: var(--space-3); }
.flex-gap-4 { gap: var(--space-4); }
.flex-gap-5 { gap: var(--space-5); }
.flex-gap-6 { gap: var(--space-6); }

/* Self-contained grid primitive — direct children occupy usable widths by default */
.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: var(--space-4);
}

.grid-auto > * {
  min-width: 0;
  min-height: 0;
}

/* Responsive grid — direct children occupy usable widths by default */
.grid-responsive {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-4);
}

.grid-responsive > * {
  grid-column: span 12;
  min-width: 0;
  min-height: 0;
}

/* --------------------------------------------------------------------------
   8. Accessibility
   -------------------------------------------------------------------------- */

.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;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-3);
  z-index: var(--z-toast);
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-small);
  font-weight: var(--weight-body-semibold);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--space-3);
  color: var(--color-white);
  text-decoration: none;
}

/* --------------------------------------------------------------------------
   9. Responsive Adjustments
   -------------------------------------------------------------------------- */

@media (max-width: 1024px) {
  :root {
    --text-display: 3rem;
    --text-h1: 2.25rem;
    --text-h2: 1.875rem;
    --text-h3: 1.375rem;
  }

  .container {
    padding-inline: var(--container-gutter-tablet);
  }
}

@media (max-width: 768px) {
  :root {
    --text-display: 2.5rem;
    --text-h1: 2rem;
    --text-h2: 1.75rem;
    --text-h3: 1.375rem;
    --text-body: 1rem;
    --text-small: 0.875rem;

    --container-gutter-tablet: 1.5rem;
  }

  .container {
    padding-inline: var(--container-gutter-mobile);
  }

  .grid-responsive > * {
    grid-column: span 12;
  }
}

@media (max-width: 480px) {
  :root {
    --text-display: 2rem;
    --text-h1: 1.75rem;
    --text-h2: 1.5rem;
    --text-h3: 1.25rem;
    --text-body: 0.9375rem;
    --text-small: 0.8125rem;

    --container-gutter-mobile: 1rem;
  }

  .btn {
    min-height: 44px;
  }

  .btn-sm {
    min-height: 36px;
  }

  .btn-lg {
    min-height: 52px;
  }
}