/* ==========================================================================
   Mettembert (2806, République et Canton du Jura) — Portail d'information
   Style éditorial suisse, sobre, lisible, accessible et 100 % statique
   ========================================================================== */

:root {
  --bg-primary: #FAF8F4;
  --bg-card: #FFFFFF;
  --bg-subtle: #F2EFE9;
  --bg-dark: #18221F;
  --text-primary: #1A211E;
  --text-secondary: #4A5550;
  --text-muted: #6E7A74;
  --accent-red: #B8292F;       /* Rouge des armoiries de Mettembert & du Jura */
  --accent-red-soft: #FBECEE;
  --accent-gold: #D4A024;      /* Or du champ héraldique de Mettembert */
  --accent-gold-soft: #FDF6E2;
  --accent-forest: #234E3C;    /* Vert sapin des forêts jurassiennes */
  --accent-forest-soft: #E8F2EE;
  --border-color: #E2DDD4;
  --shadow-sm: 0 2px 8px rgba(24, 34, 31, 0.05);
  --shadow-md: 0 8px 24px rgba(24, 34, 31, 0.08);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --max-width: 1160px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-serif: 'Newsreader', Georgia, "Times New Roman", serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent-red);
  text-decoration: none;
  transition: color 0.18s ease, opacity 0.18s ease;
}

a:hover {
  color: #8E1B20;
  text-decoration: underline;
}

/* Bandeau supérieur aux couleurs du blason (Or / Gueules / Sable) */
.heraldic-bar {
  height: 5px;
  background: linear-gradient(90deg, var(--accent-gold) 0%, var(--accent-gold) 33.3%, var(--accent-red) 33.3%, var(--accent-red) 66.6%, #1A211E 66.6%, #1A211E 100%);
}

/* Navigation principale */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 244, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.85rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: var(--text-primary);
}

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

.brand-coat {
  width: 44px;
  height: 52px;
  flex-shrink: 0;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.brand-subtitle {
  font-size: 0.78rem;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 600;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.main-nav a {
  color: var(--text-secondary);
  font-size: 0.94rem;
  font-weight: 500;
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.main-nav a:hover,
.main-nav a:focus {
  color: var(--text-primary);
  border-bottom-color: var(--accent-red);
}

/* Section Hero */
.hero {
  position: relative;
  max-width: var(--max-width);
  margin: 2rem auto 0;
  padding: 0 1.5rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.25rem;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-gold-soft);
  color: #7D5B09;
  border: 1px solid #DFC67A;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.8vw, 2.95rem);
  line-height: 1.15;
  letter-spacing: -0.025em;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.hero-lead {
  font-size: 1.08rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-bottom: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.94rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.18s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--accent-red);
  color: #FFFFFF;
}

.btn-primary:hover {
  background: #961F24;
  color: #FFFFFF;
}

.btn-secondary {
  background: var(--bg-subtle);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: #E7E2D8;
  color: var(--text-primary);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-color);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-value {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 0.76rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-visual {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-subtle);
}

.hero-visual img {
  width: 100%;
  height: 360px;
  object-fit: cover;
}

.hero-caption {
  padding: 0.65rem 1rem;
  background: var(--bg-subtle);
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Sections générales */
.section {
  max-width: var(--max-width);
  margin: 3.5rem auto;
  padding: 0 1.5rem;
}

.section-header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.section-kicker {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-red);
  margin-bottom: 0.3rem;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 2.6vw, 2.15rem);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.section-desc {
  color: var(--text-secondary);
  max-width: 68ch;
  font-size: 0.98rem;
}

/* Barre de filtres et recherche des actualités */
.news-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  background: var(--bg-card);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  background: var(--bg-subtle);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.16s ease;
}

.filter-btn:hover {
  color: var(--text-primary);
  background: #E6E1D6;
}

.filter-btn.active {
  background: var(--text-primary);
  color: #FFFFFF;
  border-color: var(--text-primary);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1;
  min-width: 240px;
  max-width: 360px;
}

.search-input {
  width: 100%;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-family: inherit;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.search-input:focus {
  outline: 2px solid var(--accent-red);
  border-color: transparent;
}

.news-status-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.live-refresh-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.live-refresh-btn:hover {
  background: var(--bg-subtle);
  color: var(--text-primary);
}

/* Grille des articles d'actualité */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
  gap: 1.25rem;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.news-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: #C9C1B4;
}

.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
}

.news-tag {
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.7rem;
}

.tag-commune {
  background: var(--accent-gold-soft);
  color: #7D5B09;
}

.tag-nature {
  background: var(--accent-forest-soft);
  color: var(--accent-forest);
}

.tag-village {
  background: #EEF2F8;
  color: #24476B;
}

.tag-securite {
  background: var(--accent-red-soft);
  color: var(--accent-red);
}

.news-date {
  color: var(--text-muted);
  font-weight: 500;
}

.news-title {
  font-family: var(--font-serif);
  font-size: 1.18rem;
  line-height: 1.32;
  margin-bottom: 0.65rem;
  color: var(--text-primary);
}

.news-title a {
  color: inherit;
  text-decoration: none;
}

.news-title a:hover {
  color: var(--accent-red);
}

.news-summary {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 1.1rem;
  flex-grow: 1;
}

.news-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 0.8rem;
  border-top: 1px solid var(--bg-subtle);
  font-size: 0.82rem;
}

.news-source {
  font-weight: 600;
  color: var(--text-secondary);
}

.news-link {
  font-weight: 600;
  color: var(--accent-red);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Portrait, Histoire & Patrimoine */
.heritage-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.heritage-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  box-shadow: var(--shadow-sm);
}

.heritage-card h3 {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.heritage-card p {
  font-size: 0.94rem;
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
}

.heritage-card p:last-child {
  margin-bottom: 0;
}

.blason-showcase {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-subtle);
  padding: 0.9rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.blason-showcase img {
  width: 56px;
  height: 66px;
  flex-shrink: 0;
}

.blason-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.9rem;
  color: var(--text-primary);
}

/* Galerie photographique */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.gallery-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.gallery-item img {
  width: 100%;
  height: 270px;
  object-fit: cover;
}

.gallery-item figcaption {
  padding: 0.95rem 1.2rem;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.gallery-item figcaption strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 0.15rem;
}

/* Informations pratiques & Liens officiels */
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.info-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.info-box h3 {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  margin-bottom: 0.85rem;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
}

.info-list li strong {
  color: var(--text-primary);
}

.map-frame {
  margin-top: 1.5rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

/* Pied de page neutre et sans propriété */
.site-footer {
  background: var(--bg-dark);
  color: #D5DDD9;
  margin-top: 4rem;
  padding: 3rem 1.5rem 2.5rem;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2rem;
}

.footer-col h4 {
  font-family: var(--font-serif);
  color: #FFFFFF;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.footer-col p {
  font-size: 0.88rem;
  color: #A4B2AC;
  line-height: 1.6;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  font-size: 0.88rem;
}

.footer-links a {
  color: #D5DDD9;
}

.footer-links a:hover {
  color: #FFFFFF;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 2rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 0.8rem;
  color: #8C9B95;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid {
    grid-template-columns: 1fr;
    padding: 1.75rem;
  }
  .heritage-grid,
  .info-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
}