/* ==========================================================================
   Koto B&B Antwerp — Shared Design System
   Every page on the site links to this one file. Do not redefine tokens
   or chrome classes on individual pages; extend with page-specific rules only.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400&family=Montserrat:wght@400;500;600;700&family=Raleway:wght@300;400;500;600;700&display=swap');

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand palette ---------------------------------------------------------- */
  --color-primary: #6b0505;          /* deep oxblood / bordeaux */
  --color-primary-dark: #4b0303;
  --color-primary-light: #8f1414;
  --color-primary-soft: #f6e8e8;

  --color-secondary: #2f4a3a;        /* garden green */
  --color-secondary-dark: #223629;
  --color-secondary-soft: #e7ede8;

  --color-accent: #c9a15b;           /* muted boutique gold (decorative) */
  --color-accent-soft: #f4ecdd;

  /* Neutral scale ---------------------------------------------------------- */
  --color-white: #ffffff;
  --color-cream: #faf7f2;
  --color-neutral-100: #f3ede4;
  --color-neutral-200: #e6ddd0;
  --color-neutral-300: #cfc4b4;
  --color-neutral-400: #a99c8a;
  --color-neutral-500: #7c7164;
  --color-neutral-600: #5a5148;
  --color-graphite: #4a4a4a;
  --color-charcoal: #373737;
  --color-ink: #211f1d;

  /* Semantic roles --------------------------------------------------------- */
  --color-bg: var(--color-white);
  --color-bg-alt: var(--color-cream);
  --color-surface: var(--color-white);
  --color-text: var(--color-charcoal);
  --color-text-muted: var(--color-graphite);
  --color-text-subtle: var(--color-neutral-500);
  --color-text-inverse: var(--color-white);
  --color-border: var(--color-neutral-200);
  --color-border-strong: var(--color-neutral-300);
  --color-link: var(--color-primary);
  --color-focus: #1a5fd0;

  /* Typography ------------------------------------------------------------- */
  --font-display: 'Lora', Georgia, 'Times New Roman', serif;
  --font-heading: 'Montserrat', 'Helvetica Neue', Arial, sans-serif;
  --font-body: 'Raleway', 'Helvetica Neue', Arial, sans-serif;

  --fs-display: clamp(2.5rem, 6vw, 3.5rem);   /* hero 40–56px */
  --fs-h1: clamp(2rem, 5vw, 2.75rem);
  --fs-h2: clamp(1.75rem, 3.5vw, 2.25rem);    /* section 28–36px */
  --fs-h3: clamp(1.25rem, 2.5vw, 1.5rem);
  --fs-h4: 1.125rem;
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-label: 0.8125rem;                      /* uppercase nav / labels 13px */

  --lh-tight: 1.15;
  --lh-snug: 1.35;
  --lh-normal: 1.6;
  --lh-loose: 1.75;

  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  --ls-label: 0.14em;

  /* 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;
  --space-11: 6rem;
  --space-12: 8rem;

  /* Radii ------------------------------------------------------------------ */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-pill: 999px;
  --radius-round: 50%;

  /* Shadows ---------------------------------------------------------------- */
  --shadow-sm: 0 1px 2px rgba(33, 31, 29, 0.06), 0 1px 3px rgba(33, 31, 29, 0.08);
  --shadow-md: 0 4px 12px rgba(33, 31, 29, 0.08), 0 2px 4px rgba(33, 31, 29, 0.06);
  --shadow-lg: 0 12px 28px rgba(33, 31, 29, 0.12), 0 4px 8px rgba(33, 31, 29, 0.06);
  --shadow-xl: 0 24px 48px rgba(33, 31, 29, 0.16);

  /* Layout ----------------------------------------------------------------- */
  --container-max: 1200px;
  --container-narrow: 760px;
  --gutter: var(--space-5);
  --header-height: 4.5rem;

  /* Motion ----------------------------------------------------------------- */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

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

body {
  margin: 0;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  margin: 0 0 var(--space-4);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: var(--fw-semibold);
  line-height: var(--lh-tight);
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: var(--lh-snug); }
h4 { font-size: var(--fs-h4); font-family: var(--font-heading); letter-spacing: 0.01em; }

p {
  margin: 0 0 var(--space-4);
  color: var(--color-text-muted);
  line-height: var(--lh-loose);
}

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

a {
  color: var(--color-link);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover { color: var(--color-primary-light); }

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

ul, ol { margin: 0; padding: 0; list-style: none; }

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

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

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

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

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

.section {
  padding-block: var(--space-9);
}

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

.section-header {
  max-width: var(--container-narrow);
  margin-inline: auto;
  margin-bottom: var(--space-7);
  text-align: center;
}

/* Responsive grid: single column on mobile, N columns from tablet up. */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .container { --gutter: var(--space-6); }
  .section { padding-block: var(--space-11); }
  .grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

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

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

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

.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;
}

/* Uppercase letter-spaced section label */
.eyebrow {
  display: block;
  margin-bottom: var(--space-3);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
}

.divider {
  width: 3rem;
  height: 2px;
  border: 0;
  margin: var(--space-5) 0;
  background: var(--color-accent);
}

.divider-center { margin-inline: auto; }

/* External link marker (nav, buttons, inline links) */
.is-external::after {
  content: " ↗";
  color: var(--color-neutral-400);
  font-size: 0.85em;
}

/* --------------------------------------------------------------------------
   4. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  border: 2px solid transparent;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  line-height: 1;
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  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 { transform: translateY(-1px); }

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-md);
}

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

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

.btn-ghost {
  background-color: rgba(255, 255, 255, 0.12);
  border-color: currentColor;
  color: var(--color-text-inverse);
}

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

.btn-large { padding: 1rem 2rem; }
.btn-block { width: 100%; }

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

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

/* --------------------------------------------------------------------------
   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(-4px);
  box-shadow: var(--shadow-lg);
}

.card-media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background-color: var(--color-neutral-100);
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.card:hover .card-media img { transform: scale(1.04); }

.card-body { padding: var(--space-5); }

.card-title {
  margin-bottom: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--color-primary);
}

.card-text {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--fs-small);
}

.card-meta {
  margin-top: var(--space-4);
  color: var(--color-text-subtle);
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
}

/* Round testimonial avatar */
.avatar {
  width: 5rem;
  height: 5rem;
  border-radius: var(--radius-round);
  object-fit: cover;
  border: 3px solid var(--color-white);
  box-shadow: var(--shadow-sm);
}

.badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  background-color: var(--color-accent-soft);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* --------------------------------------------------------------------------
   6. Site chrome — header / nav
   Copied verbatim into every page. Always visible at every width, no JS.
   Markup uses these class names only.
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: saturate(160%) blur(10px);
  -webkit-backdrop-filter: saturate(160%) blur(10px);
}

.site-header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3) var(--space-4);
  min-height: var(--header-height);
  padding-block: var(--space-3);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-primary);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.02em;
}

.site-brand:hover { color: var(--color-primary); }

.site-brand-name { display: inline; }

.site-nav {
  width: 100%;
  order: 3;
}

.site-nav-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.site-nav-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  color: var(--color-charcoal);
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.site-nav-link:hover,
.site-nav-link[aria-current="page"] {
  color: var(--color-primary);
  background-color: var(--color-primary-soft);
}

.site-header .btn { margin-left: var(--space-3); }

@media (min-width: 900px) {
  .site-header-inner {
    flex-wrap: nowrap;
    padding-block: 0;
  }

  .site-nav {
    width: auto;
    order: 0;
    margin-left: auto;
  }

  .site-nav-list {
    padding-top: 0;
    border-top: 0;
    gap: var(--space-2);
  }
}

/* --------------------------------------------------------------------------
   7. Site chrome — footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-charcoal);
  color: var(--color-neutral-300);
  font-size: var(--fs-small);
}

.site-footer a {
  color: var(--color-neutral-200);
}

.site-footer a:hover { color: var(--color-white); }

.site-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-7);
  padding-block: var(--space-9) var(--space-7);
}

@media (min-width: 768px) {
  .site-footer-grid { grid-template-columns: 2fr 1fr 1fr; }
}

.site-footer-brand {
  color: var(--color-white);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: var(--fw-semibold);
  margin-bottom: var(--space-3);
}

.site-footer-tagline {
  max-width: 32ch;
  color: var(--color-neutral-300);
  line-height: var(--lh-loose);
}

.site-footer-title {
  margin-bottom: var(--space-4);
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
}

.site-footer-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.site-footer-bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--color-neutral-400);
  font-size: var(--fs-small);
}

.site-footer-bottom p { margin: 0; }

@media (min-width: 768px) {
  .site-footer-bottom { flex-direction: row; }
}

/* --------------------------------------------------------------------------
   8. Forms
   -------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

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

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field-full { grid-column: 1 / -1; }

.label {
  color: var(--color-text-subtle);
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.input,
.select,
.textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input:focus,
.select:focus,
.textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
}

.textarea {
  min-height: 9rem;
  resize: vertical;
}

.consent {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.consent input {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.3rem;
  flex: none;
  accent-color: var(--color-primary);
}

.consent label {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   9. Page components (home)
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: clamp(26rem, 68vh, 40rem);
  padding-block: var(--space-11);
  background-color: var(--color-ink);
  background-image:
    linear-gradient(rgba(33, 31, 29, 0.55), rgba(33, 31, 29, 0.72)),
    url('https://images.unsplash.com/photo-1611892440504-42a792e24d32?auto=format&fit=crop&w=2000&q=80');
  background-size: cover;
  background-position: center;
  text-align: center;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero .eyebrow { color: var(--color-accent); }

.hero-title {
  color: var(--color-white);
  font-size: var(--fs-display);
  margin-bottom: var(--space-5);
}

.hero-lead {
  max-width: 44rem;
  color: rgba(255, 255, 255, 0.92);
  font-size: 1.125rem;
  line-height: var(--lh-loose);
}

.hero .btn-group {
  justify-content: center;
  margin-top: var(--space-6);
}

.feature {
  padding: var(--space-6);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.feature h3 { margin-bottom: var(--space-3); }

.media-frame {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

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

.testimonial .card-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.testimonial-quote {
  margin: 0;
  color: var(--color-text-muted);
  font-style: italic;
  line-height: var(--lh-loose);
}

.newsletter-form {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  margin-top: var(--space-5);
}

.newsletter-form .input { max-width: 22rem; }

.partners-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-top: var(--space-5);
  color: var(--color-text-subtle);
  font-family: var(--font-heading);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
}

.map-embed {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background-color: var(--color-neutral-100);
  box-shadow: var(--shadow-sm);
}

.map-embed iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

/* --------------------------------------------------------------------------
   10. Accessibility & motion preferences
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}