/* ==========================================================================
   ALIMENTOS ANDINOS — CSS DESIGN SYSTEM
   Guide Gastronomique & Restaurants Andins en Belgique
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400;1,600&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette — Warm Culinary Editorial */
  --bg-main: #FDFBF7;
  --bg-surface: #FFFFFF;
  --bg-alt: #F4EFE6;
  --bg-dark: #1C1917;
  --bg-card: #FFFFFF;
  
  --ink-primary: #1C1917;
  --ink-secondary: #44403C;
  --ink-muted: #78716C;
  --ink-light: #F5F5F4;
  
  --brand-terracotta: #C85A32;
  --brand-terracotta-hover: #A74522;
  --brand-ochre: #D97706;
  --brand-ochre-light: #FEF3C7;
  --brand-sage: #4A6B5D;
  --brand-sage-light: #E6F0EB;

  --border-subtle: #E7E5E4;
  --border-medium: #D6D3D1;
  --border-brand: #C85A32;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --container-max: 1200px;
  --container-narrow: 800px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(28, 25, 23, 0.05);
  --shadow-md: 0 4px 12px rgba(28, 25, 23, 0.08);
  --shadow-lg: 0 12px 32px rgba(28, 25, 23, 0.12);

  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-primary);
  background-color: var(--bg-main);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Accessibility */
.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  background: var(--brand-terracotta);
  color: #FFF;
  padding: 0.75rem 1.25rem;
  z-index: 9999;
  border-radius: var(--radius-sm);
  font-weight: 600;
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
  outline: 3px solid var(--brand-ochre);
}

:focus-visible {
  outline: 3px solid var(--brand-terracotta);
  outline-offset: 3px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--ink-primary);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: clamp(2.2rem, 4vw + 1rem, 3.5rem); margin-bottom: 1.25rem; }
h2 { font-size: clamp(1.6rem, 2.5vw + 1rem, 2.4rem); margin-bottom: 1rem; }
h3 { font-size: clamp(1.25rem, 1.5vw + 1rem, 1.6rem); margin-bottom: 0.75rem; }
h4 { font-size: 1.2rem; margin-bottom: 0.5rem; }

p { margin-bottom: 1.25rem; color: var(--ink-secondary); }
p.lead { font-size: 1.2rem; line-height: 1.7; color: var(--ink-primary); font-weight: 500; }

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

ul, ol { margin-bottom: 1.25rem; padding-left: 1.5rem; color: var(--ink-secondary); }
li { margin-bottom: 0.5rem; }

/* Layout Helpers */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

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

.section {
  padding: 4rem 0;
}

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

.section-dark {
  background-color: var(--bg-dark);
  color: var(--ink-light);
}

.section-dark h1, .section-dark h2, .section-dark h3 { color: #FFF; }
.section-dark p { color: #D6D3D1; }

/* Components: Header & Nav */
.site-header {
  background-color: rgba(253, 251, 247, 0.95);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-subtle);
  padding: 1rem 0;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink-primary);
  text-decoration: none;
}

.brand-logo:hover { text-decoration: none; color: var(--brand-terracotta); }

.brand-icon {
  width: 36px;
  height: 36px;
  background-color: var(--brand-terracotta);
  color: #FFF;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink-primary);
  text-decoration: none;
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background-color: var(--brand-terracotta);
  transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link[aria-current="page"]::after {
  width: 100%;
}

.nav-link[aria-current="page"] {
  color: var(--brand-terracotta);
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-medium);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--ink-primary);
}

.nav-toggle:hover {
  background-color: var(--bg-alt);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--brand-terracotta);
  color: #FFF;
}

.btn-primary:hover {
  background-color: var(--brand-terracotta-hover);
  color: #FFF;
  text-decoration: none;
  transform: translateY(-1px);
}

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

.btn-secondary:hover {
  background-color: var(--brand-terracotta);
  color: #FFF;
  text-decoration: none;
}

/* Hero Section */
.hero {
  padding: 4rem 0 3rem 0;
  background-color: var(--bg-alt);
  border-bottom: 1px solid var(--border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  background-color: var(--brand-ochre-light);
  color: var(--brand-ochre);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.hero-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-subtle);
}

/* Restaurant Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.restaurant-card {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.restaurant-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.card-header-img {
  width: 100%;
  height: 200px;
  background-color: #E2E8F0;
  object-fit: cover;
  position: relative;
}

.card-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.card-badge {
  align-self: flex-start;
  background-color: var(--brand-sage-light);
  color: var(--brand-sage);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
  text-transform: uppercase;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-bottom: 0.75rem;
}

.card-rating {
  color: var(--brand-ochre);
  font-weight: 700;
}

.card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Feature Badge & Specs */
.spec-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0;
}

.spec-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.spec-icon {
  color: var(--brand-terracotta);
  font-weight: 700;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--ink-muted);
  margin-bottom: 1.5rem;
  list-style: none;
  padding: 0;
}

.breadcrumbs li::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--border-medium);
}

.breadcrumbs li:last-child::after {
  content: '';
}

.breadcrumbs a {
  color: var(--ink-muted);
}

.breadcrumbs a:hover {
  color: var(--brand-terracotta);
}

/* Article Styling */
.article-header {
  margin-bottom: 2.5rem;
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.9rem;
  color: var(--ink-muted);
  margin-top: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1rem;
}

.article-content {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--ink-primary);
}

.article-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  border-left: 4px solid var(--brand-terracotta);
  padding-left: 1rem;
}

.article-content blockquote {
  border-left: 3px solid var(--brand-ochre);
  background-color: var(--bg-alt);
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--ink-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Footer */
.site-footer {
  background-color: var(--bg-dark);
  color: var(--ink-light);
  padding: 4rem 0 2rem 0;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand p {
  color: #A8A29E;
  margin-top: 1rem;
  font-size: 0.9rem;
}

.footer-title {
  color: #FFF;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: #A8A29E;
  font-size: 0.9rem;
}

.footer-links a:hover {
  color: #FFF;
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #78716C;
}

/* Responsive Media Queries */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--bg-surface);
    flex-direction: column;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-menu.is-active {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}

/* Progressive Reveal Animations */
.reveal {
  opacity: 1;
  transform: none;
}

html.js-ready .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

html.js-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html.js-ready .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}