/* ============================================
   Chalets Ardennen — Editorial Minimalist
   Custom CSS Properties & Animations
   ============================================ */

:root {
  /* Colors */
  --color-primary: #1A1A1A;
  --color-secondary: #4A4A4A;
  --color-accent: #C4785B;
  --color-accent-hover: #A8613F;
  --color-bg: #FAFAFA;
  --color-surface: #F2F2F0;
  --color-text: #1A1A1A;
  --color-text-secondary: #6B6B6B;
  --color-text-muted: #767676;
  --color-border: #E8E8E6;
  --color-divider: #D4D4D0;

  /* Typography */
  --font-serif: 'Libre Baskerville', Georgia, serif;
  --font-sans: 'Karla', -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;
  --space-5xl: 128px;
  --space-6xl: 192px;

  /* Motion */
  --duration-fade: 400ms;
  --duration-hover: 200ms;
  --duration-nav: 300ms;
  --ease: ease;
}

/* ---- Base Reset ---- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-radius: 0 !important;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 26px;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Typography ---- */
.type-display {
  font-family: var(--font-serif);
  font-size: 64px;
  line-height: 72px;
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--color-primary);
}

.type-h1 {
  font-family: var(--font-serif);
  font-size: 48px;
  line-height: 56px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.type-h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  line-height: 44px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-primary);
}

.type-h3 {
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 32px;
  font-weight: 400;
  color: var(--color-primary);
}

.type-label {
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 16px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.type-body-lg {
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 30px;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.type-body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 26px;
  font-weight: 400;
  color: var(--color-text);
}

.type-body-sm {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 20px;
  font-weight: 400;
  color: var(--color-text-secondary);
}

.type-caption {
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 16px;
  font-weight: 400;
  color: var(--color-text-muted);
}

/* ---- Navigation ---- */
.nav-editorial {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: var(--space-lg) var(--space-2xl);
  background-color: rgba(250, 250, 250, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform var(--duration-nav) var(--ease);
  border-bottom: 1px solid transparent;
}

.nav-editorial.scrolled {
  border-bottom-color: var(--color-border);
}

.nav-editorial.hidden {
  transform: translateY(-100%);
}

.nav-editorial a {
  text-decoration: none;
  color: var(--color-primary);
  transition: color var(--duration-hover) var(--ease);
}

.nav-editorial a:hover {
  color: var(--color-accent);
}

.nav-link {
  position: relative;
  text-decoration: none;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: var(--color-accent);
  transition: width var(--duration-hover) var(--ease);
}

.nav-link:hover::after {
  width: 100%;
}

/* ---- Section Divider ---- */
.section-divider {
  width: 100%;
  max-width: 1200px;
  margin: var(--space-4xl) auto;
  border: none;
  border-top: 1px solid var(--color-divider);
}

/* ---- Editorial Text Block ---- */
.editorial-text {
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- Pull Quote ---- */
.pull-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 28px;
  line-height: 40px;
  color: var(--color-secondary);
  padding-left: var(--space-xl);
  border-left: 2px solid var(--color-accent);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ---- CTA ---- */
.cta-minimal {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 16px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  text-decoration: none;
  padding: var(--space-md) var(--space-xl);
  border: 1px solid var(--color-primary);
  background: transparent;
  cursor: pointer;
  transition: all var(--duration-hover) var(--ease);
}

.cta-minimal:hover {
  background-color: var(--color-primary);
  color: var(--color-bg);
}

.cta-text {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 16px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--duration-hover) var(--ease);
}

.cta-text:hover {
  color: var(--color-accent-hover);
}

.cta-text .arrow {
  transition: transform var(--duration-hover) var(--ease);
}

.cta-text:hover .arrow {
  transform: translateX(4px);
}

/* ---- Photo Placeholder ---- */
.photo-placeholder {
  background-color: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  overflow: hidden;
}

.photo-placeholder span {
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.photo-placeholder.dark {
  background-color: #D4D0CB;
}

.photo-placeholder.medium {
  background-color: #E2DED8;
}

.photo-placeholder.light {
  background-color: var(--color-surface);
}

.photo-placeholder.warm {
  background-color: #DDD5CC;
}

/* ---- Screen Reader Only ---- */
.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;
}

/* ---- Detail List ---- */
.detail-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.detail-row:first-child {
  border-top: 1px solid var(--color-border);
}

/* ---- Pricing Table ---- */
.price-table {
  width: 100%;
  border-collapse: collapse;
}

.price-table th,
.price-table td {
  text-align: left;
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.price-table th {
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 16px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.price-table td {
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--color-text);
}

.price-table thead th {
  border-bottom: 1px solid var(--color-divider);
}

/* ---- Form ---- */
.form-input {
  width: 100%;
  padding: var(--space-md) 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 26px;
  color: var(--color-text);
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-border);
  outline: none;
  transition: border-color var(--duration-hover) var(--ease);
}

.form-input:focus {
  border-bottom-color: var(--color-primary);
}

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

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

.form-label {
  display: block;
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 16px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

/* ---- Footer ---- */
.footer-minimal {
  padding: var(--space-4xl) var(--space-2xl) var(--space-2xl);
  border-top: 1px solid var(--color-border);
}

/* ---- Scroll Fade ---- */
.fade-in {
  opacity: 0;
  transition: opacity var(--duration-fade) var(--ease);
}

.fade-in.visible {
  opacity: 1;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .type-display {
    font-size: 36px;
    line-height: 42px;
  }

  .type-h1 {
    font-size: 32px;
    line-height: 40px;
  }

  .type-h2 {
    font-size: 26px;
    line-height: 34px;
  }

  .type-h3 {
    font-size: 20px;
    line-height: 28px;
  }

  .pull-quote {
    font-size: 22px;
    line-height: 34px;
  }

  .nav-editorial {
    padding: var(--space-md) var(--space-lg);
  }

  .section-divider {
    margin: var(--space-3xl) auto;
  }
}

@media (max-width: 480px) {
  .type-display {
    font-size: 28px;
    line-height: 34px;
  }

  .type-h1 {
    font-size: 26px;
    line-height: 32px;
  }
}