/* ==========================================================================
   BOHIO ANTWERPEN — Design System
   Wine & tapas bar, Britse Lei 41, 2000 Antwerpen
   Shared foundation: tokens + reusable components.
   Mobile-first. Every page links this file and uses these tokens/classes.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* --- Palette: brand ------------------------------------------------ */
  --color-primary: #7a2233;          /* deep wine */
  --color-primary-dark: #5a1523;
  --color-primary-light: #9c3d50;
  --color-secondary: #c2703c;        /* terracotta */
  --color-secondary-dark: #a2582a;
  --color-secondary-light: #d89464;
  --color-accent: #d9a441;           /* golden / pour */
  --color-accent-dark: #b8862c;

  /* --- Palette: neutrals -------------------------------------------- */
  --color-ink: #241f1d;              /* near-black headings */
  --color-text: #3a3230;             /* body copy */
  --color-muted: #6f6560;            /* secondary copy */
  --color-border: #e4d9cd;
  --color-surface: #ffffff;
  --color-bg: #faf6f1;              /* warm cream page bg */
  --color-bg-alt: #f2e8dc;          /* alternating sections */

  /* --- Semantic ------------------------------------------------------ */
  --color-success: #3f7d54;
  --color-danger: #b3372f;
  --color-focus: #d9a441;

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

  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.375rem;     /* 22px */
  --text-2xl: 1.75rem;     /* 28px */
  --text-3xl: 2.25rem;     /* 36px */
  --text-4xl: 3rem;        /* 48px */

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.6;
  --leading-loose: 1.8;

  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* --- Spacing scale (4px base) ------------------------------------- */
  --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;

  /* --- Radius -------------------------------------------------------- */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 999px;

  /* --- Shadows ------------------------------------------------------- */
  --shadow-sm: 0 1px 2px rgba(36, 31, 29, 0.08);
  --shadow-md: 0 4px 12px rgba(36, 31, 29, 0.10);
  --shadow-lg: 0 12px 32px rgba(36, 31, 29, 0.14);

  /* --- Layout -------------------------------------------------------- */
  --container-sm: 640px;
  --container-md: 900px;
  --container-lg: 1160px;
  --focus-ring: 0 0 0 3px rgba(217, 164, 65, 0.55);

  --transition-fast: 140ms ease;
  --transition-base: 240ms ease;
}

/* --------------------------------------------------------------------------
   2. RESET / BASE
   -------------------------------------------------------------------------- */
*,
*::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;
}

h1, h2, h3, h4 {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  color: var(--color-ink);
  line-height: var(--leading-tight);
  font-weight: var(--weight-bold);
}

h1 { font-size: var(--text-3xl); letter-spacing: -0.01em; }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); font-family: var(--font-body); font-weight: var(--weight-semibold); }

p { margin: 0 0 var(--space-4); }
small, .text-small { font-size: var(--text-sm); color: var(--color-muted); }

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--color-primary-dark); text-decoration: underline; }

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

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

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

/* --------------------------------------------------------------------------
   3. LAYOUT HELPERS
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-lg);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

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

.section {
  padding-block: var(--space-8);
}
.section--alt { background-color: var(--color-bg-alt); }

.grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}

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

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

@media (min-width: 640px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .container { padding-inline: var(--space-5); }
}

@media (min-width: 900px) {
  h1 { font-size: var(--text-4xl); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .section { padding-block: var(--space-10); }
}

@media (min-width: 1160px) {
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
}

/* --------------------------------------------------------------------------
   4. BUTTONS
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1;
  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; }
.btn:active { transform: translateY(1px); }

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #fff;
}

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

.btn--lg { padding: var(--space-4) var(--space-7); font-size: var(--text-base); }
.btn--block { display: flex; width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }

/* --------------------------------------------------------------------------
   5. CARDS
   -------------------------------------------------------------------------- */
.card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-lg);
}
.card__meta {
  font-size: var(--text-sm);
  color: var(--color-muted);
  margin-bottom: var(--space-3);
}
.card__body { flex: 1; margin: 0; }
.card__price {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-weight: var(--weight-bold);
  margin-top: var(--space-3);
}
.card--highlight { border-color: var(--color-accent); box-shadow: var(--shadow-md); }

/* --------------------------------------------------------------------------
   6. CHROME (site header + footer)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-3);
}
.site-logo {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  letter-spacing: 0.06em;
  color: var(--color-primary);
  text-transform: uppercase;
}
.site-logo:hover { text-decoration: none; color: var(--color-primary-dark); }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav a {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  letter-spacing: 0.02em;
  color: var(--color-text);
}
.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid var(--color-accent);
}

.site-footer {
  margin-top: var(--space-10);
  background-color: var(--color-ink);
  color: #e9e2da;
  padding-block: var(--space-8) var(--space-5);
}
.site-footer a { color: #e9e2da; }
.site-footer a:hover { color: var(--color-accent); }
.site-footer__grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
.site-footer__title {
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-3);
}
.site-footer__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer__list li + li { margin-top: var(--space-2); }
.site-footer__bottom {
  margin-top: var(--space-7);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  font-size: var(--text-sm);
  color: #b8afa7;
}

@media (min-width: 640px) {
  .site-footer__grid { grid-template-columns: 1.5fr 1fr 1fr; }
}

/* --------------------------------------------------------------------------
   7. UTILITIES
   -------------------------------------------------------------------------- */
.text-center { text-align: center; }
.text-muted { color: var(--color-muted); }
.text-primary { color: var(--color-primary); }
.bg-surface { background-color: var(--color-surface); }
.bg-alt { background-color: var(--color-bg-alt); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.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;
}

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-pill);
}

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 100;
  padding: var(--space-2) var(--space-4);
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-md);
}
.skip-link:focus { top: var(--space-2); }