/* ==========================================================================
   Sensunik — Frans-Belgische Bistro
   Shared design system: tokens + reusable component classes.
   Mobile-first. Every page links this file instead of redefining tokens.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette */
  --color-primary: #2f3538;
  --color-primary-hover: #1f2326;
  --color-primary-soft: #3a4145;
  --color-secondary: #b0894f;
  --color-secondary-hover: #966f38;
  --color-accent: #75c32c;
  --color-accent-hover: #63ad22;
  --color-accent-strong: #3f7313;

  /* Neutrals */
  --color-neutral-50: #faf9f6;
  --color-neutral-100: #f6f4ef;
  --color-neutral-200: #efefef;
  --color-neutral-300: #d8d8d8;
  --color-neutral-400: #bbbbbb;
  --color-neutral-500: #8e8e8e;
  --color-neutral-600: #55595c;
  --color-neutral-700: #3a3d3f;
  --color-neutral-900: #1f2326;

  /* Semantic surfaces + text */
  --color-bg: var(--color-neutral-100);
  --color-surface: #ffffff;
  --color-surface-alt: var(--color-neutral-200);
  --color-border: #e2ded5;
  --color-border-strong: var(--color-neutral-400);
  --color-text: #2b3034;
  --color-text-muted: var(--color-neutral-500);
  --color-text-inverse: #f6f4ef;
  --color-focus: #3f7313;
  --color-overlay: rgba(20, 22, 24, 0.62);

  /* Typography */
  --font-display: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.375rem;
  --text-2xl: clamp(1.5rem, 1.25rem + 1.2vw, 2rem);
  --text-3xl: clamp(1.875rem, 1.45rem + 2.1vw, 2.75rem);
  --text-4xl: clamp(2.25rem, 1.55rem + 3.4vw, 3.75rem);

  --leading-tight: 1.15;
  --leading-snug: 1.35;
  --leading-normal: 1.6;

  --tracking-wide: 0.08em;
  --tracking-wider: 0.16em;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.5rem;
  --space-8: 3rem;
  --space-9: 4rem;
  --space-10: 5rem;
  --space-12: 7rem;

  /* Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.75rem;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(31, 35, 38, 0.06), 0 1px 3px rgba(31, 35, 38, 0.08);
  --shadow-md: 0 6px 16px -6px rgba(31, 35, 38, 0.18), 0 2px 6px rgba(31, 35, 38, 0.08);
  --shadow-lg: 0 24px 48px -20px rgba(31, 35, 38, 0.3), 0 8px 20px -12px rgba(31, 35, 38, 0.18);

  /* Layout */
  --container-max: 74rem;
  --container-narrow: 48rem;
  --header-height: 4.5rem;

  /* Motion */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
}

/* --------------------------------------------------------------------------
   2. Base / reset
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-accent-strong);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 var(--space-4);
  font-family: var(--font-display);
  font-weight: 600;
  line-height: var(--leading-tight);
  color: var(--color-neutral-900);
}

h1 {
  font-size: var(--text-4xl);
  letter-spacing: -0.01em;
}

h2 {
  font-size: var(--text-3xl);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

p {
  margin: 0 0 var(--space-4);
}

ul,
ol {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-5);
}

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

::selection {
  background: var(--color-accent);
  color: var(--color-neutral-900);
}

/* --------------------------------------------------------------------------
   3. Layout helpers
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.container-narrow {
  max-width: var(--container-narrow);
}

.section {
  padding-block: var(--space-8);
}

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

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

.section-inverse h1,
.section-inverse h2,
.section-inverse h3,
.section-inverse h4 {
  color: var(--color-text-inverse);
}

.eyebrow {
  display: inline-block;
  margin-bottom: var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-accent-strong);
}

.lead {
  font-size: var(--text-lg);
  line-height: var(--leading-snug);
  color: var(--color-text-muted);
}

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

.visually-hidden {
  position: absolute !important;
  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-4);
  z-index: 100;
  padding: var(--space-3) var(--space-4);
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-md);
}

.skip-link:focus {
  top: var(--space-4);
}

/* Grid / flex helpers */
.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr));
}

.grid-2,
.grid-3,
.grid-4 {
  grid-template-columns: 1fr;
}

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

.stack > * + * {
  margin-top: var(--space-4);
}

@media (min-width: 48rem) {
  .section {
    padding-block: var(--space-10);
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64rem) {
  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-neutral-900);
  background: transparent;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast),
    border-color var(--transition-fast), transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

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

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-neutral-900);
  border-color: var(--color-neutral-900);
}

.btn-secondary:hover {
  background-color: var(--color-neutral-900);
  color: var(--color-text-inverse);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-neutral-900);
}

.btn-accent:hover {
  background-color: var(--color-accent-hover);
  box-shadow: var(--shadow-md);
}

.btn-ghost {
  padding-inline: var(--space-2);
  background-color: transparent;
  color: var(--color-accent-strong);
}

.btn-ghost:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.btn-sm {
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-xs);
}

.btn-lg {
  padding: var(--space-5) var(--space-7);
  font-size: var(--text-base);
}

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

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

/* --------------------------------------------------------------------------
   5. Cards
   -------------------------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card-media {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
}

.card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  color: var(--color-neutral-900);
}

.card-text {
  margin: 0;
  color: var(--color-text-muted);
}

.card-meta {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-secondary);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   6. Site header + navigation (chrome)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(246, 244, 239, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-neutral-900);
  text-decoration: none;
}

.brand:hover {
  color: var(--color-accent-strong);
  text-decoration: none;
}

.brand-mark {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
}

/* Mobile toggle (CSS-only, checkbox + label) */
.nav-toggle {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.nav-toggle-label {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.65rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  cursor: pointer;
}

.nav-toggle-label::before,
.nav-toggle-label::after,
.nav-toggle-label span {
  content: "";
  display: block;
  height: 2px;
  background-color: var(--color-neutral-900);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav-toggle:checked + .nav-toggle-label::before {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle:checked + .nav-toggle-label span {
  opacity: 0;
}

.nav-toggle:checked + .nav-toggle-label::after {
  transform: translateY(-7px) rotate(-45deg);
}

/* Nav: collapsed on small screens */
.site-nav {
  display: none;
}

.site-nav ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-neutral-700);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.site-nav a:hover {
  background-color: var(--color-neutral-200);
  color: var(--color-neutral-900);
  text-decoration: none;
}

.site-nav a[aria-current="page"],
.site-nav a.is-active {
  color: var(--color-accent-strong);
}

.nav-toggle:checked ~ .site-nav {
  display: block;
  position: absolute;
  top: 100%;
  right: 0;
  left: 0;
  padding: var(--space-4) var(--space-5) var(--space-6);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
}

@media (min-width: 48rem) {
  .nav-toggle-label {
    display: none;
  }

  .site-nav,
  .nav-toggle:checked ~ .site-nav {
    display: flex;
    position: static;
    padding: 0;
    background-color: transparent;
    border: 0;
    box-shadow: none;
  }

  .site-nav ul {
    flex-direction: row;
    gap: var(--space-2);
  }

  .site-nav a {
    padding: var(--space-2) var(--space-3);
  }

  .site-nav a:hover {
    background-color: transparent;
    color: var(--color-accent-strong);
  }
}

/* --------------------------------------------------------------------------
   7. Site footer (chrome)
   -------------------------------------------------------------------------- */
.site-footer {
  margin-top: var(--space-10);
  padding-block: var(--space-8) var(--space-6);
  background-color: var(--color-primary);
  color: var(--color-neutral-300);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
}

.footer-brand {
  margin: 0 0 var(--space-3);
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: #ffffff;
}

.footer-tagline {
  max-width: 28ch;
  margin: 0;
  color: var(--color-neutral-400);
}

.footer-title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: #ffffff;
}

.footer-links,
.footer-contact,
.footer-hours {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  font-size: var(--text-sm);
  list-style: none;
  color: var(--color-neutral-300);
}

.footer-links a,
.footer-contact a {
  color: var(--color-neutral-300);
  text-decoration: none;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--color-accent);
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: var(--text-xs);
  color: var(--color-neutral-400);
}

.footer-social {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-social a {
  color: var(--color-neutral-300);
  text-decoration: none;
}

.footer-social a:hover {
  color: var(--color-accent);
}

@media (min-width: 48rem) {
  .footer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-bottom {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 64rem) {
  .footer-grid {
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  }
}

/* --------------------------------------------------------------------------
   8. Motion preferences
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

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