/* ============================================================
   CRHISODES — Feuille de style principale
   Design moderne, épuré, responsive
   ============================================================ */

/* === VARIABLES GLOBALES === */
:root {
  /* Couleurs */
  --color-primary:       #1B3A6B;   /* Bleu marine profond */
  --color-primary-dark:  #122B50;
  --color-primary-light: #2A5299;
  --color-accent:        #C8952A;   /* Or chaud */
  --color-accent-light:  #E6B04A;
  --color-bg:            #FFFFFF;
  --color-bg-light:      #F7F6F2;   /* Blanc cassé / fond alterné */
  --color-text:          #2D2D2D;
  --color-text-muted:    #666666;
  --color-border:        #E0DDD5;

  /* Typographie */
  --font-heading: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body:    'Source Sans 3', 'Segoe UI', Arial, sans-serif;

  /* Espacement */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;

  /* Mise en page */
  --container:  1100px;
  --nav-height: 70px;
  --radius:     4px;
  --shadow:     0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md:  0 4px 20px rgba(0, 0, 0, 0.12);
}

/* === RESET DE BASE === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* === CONTENEUR === */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* ============================================================
   EN-TÊTE / NAVIGATION
   ============================================================ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: #FFFFFF;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
  height: var(--nav-height);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-sm);
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.site-logo img {
  height: 48px;
  width: auto;
}

.site-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.site-logo-name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.03em;
}

.site-logo-tagline {
  font-size: 0.68rem;
  color: var(--color-text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Navigation principale */
.main-nav {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0;
}

.main-nav a {
  display: block;
  padding: 0.4rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  border-radius: var(--radius);
  transition: color 0.2s ease, background-color 0.2s ease;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-accent);
  background-color: var(--color-bg-light);
}

.main-nav a.nav-unavailable {
  opacity: 0.45;
  cursor: default;
  pointer-events: none;
}

/* Bouton menu mobile */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  color: var(--color-primary);
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  margin: 5px 0;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ============================================================
   SECTION HÉROS (page d'accueil)
   ============================================================ */

.hero {
  background-color: var(--color-primary);
  background-image:
    linear-gradient(135deg,
      rgba(18, 43, 80, 0.95) 0%,
      rgba(27, 58, 107, 0.9) 60%,
      rgba(42, 82, 153, 0.85) 100%);
  padding: var(--space-lg) 0;
  text-align: center;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    45deg,
    rgba(255,255,255,0.015) 0px,
    rgba(255,255,255,0.015) 1px,
    transparent 1px,
    transparent 40px
  );
}

.hero .container {
  position: relative;
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-sm);
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: var(--space-sm);
  color: #FFFFFF;
}

.hero h1 em {
  font-style: normal;
  color: var(--color-accent-light);
}

.hero-sub {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.75);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ============================================================
   BOUTONS
   ============================================================ */

.btn {
  display: inline-block;
  padding: 0.7rem 1.6rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: var(--radius);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 2px solid transparent;
  letter-spacing: 0.02em;
}

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

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

.btn-outline {
  background-color: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
  color: #FFFFFF;
}

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

.btn-outline-dark:hover {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

/* ============================================================
   SECTIONS GÉNÉRIQUES
   ============================================================ */

.section {
  padding: var(--space-xl) 0;
}

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

.section-dark {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.section-header {
  margin-bottom: var(--space-lg);
}

.section-header.centered {
  text-align: center;
}

.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.section-dark .section-label {
  color: var(--color-accent-light);
}

h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
}

.section-dark h2 {
  color: #FFFFFF;
}

h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.section-dark h3 {
  color: #FFFFFF;
}

.section-intro {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  max-width: 600px;
}

.section-header.centered .section-intro {
  margin-left: auto;
  margin-right: auto;
}

.section-dark .section-intro {
  color: rgba(255, 255, 255, 0.7);
}

/* Ligne décorative sous les titres */
h2::after {
  content: '';
  display: block;
  width: 3rem;
  height: 3px;
  background-color: var(--color-accent);
  margin-top: 0.6rem;
  border-radius: 2px;
}

.section-header.centered h2::after {
  margin-left: auto;
  margin-right: auto;
}

/* ============================================================
   GRILLE DE CARTES
   ============================================================ */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}

.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card-icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-sm);
  font-size: 1.3rem;
}

.card p {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-top: 0.25rem;
}

.card-link {
  display: inline-block;
  margin-top: var(--space-sm);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-accent);
  text-decoration: none;
}

.card-link:hover {
  color: var(--color-primary);
}

.card-unavailable {
  opacity: 0.6;
}

.card-unavailable .card-link {
  color: var(--color-text-muted);
  pointer-events: none;
  font-style: italic;
}

/* ============================================================
   SECTION PRÉSENTATION (deux colonnes)
   ============================================================ */

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.two-col p {
  margin-bottom: var(--space-sm);
  color: var(--color-text-muted);
}

.info-list {
  list-style: none;
  margin-top: var(--space-sm);
}

.info-list li {
  display: flex;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.925rem;
  color: var(--color-text);
}

.info-list li:last-child {
  border-bottom: none;
}

.info-list strong {
  color: var(--color-primary);
  flex-shrink: 0;
  min-width: 130px;
}

/* ============================================================
   BANNIÈRE / CALL-TO-ACTION
   ============================================================ */

.cta-band {
  background-color: var(--color-accent);
  padding: var(--space-lg) 0;
  text-align: center;
}

.cta-band h2 {
  color: #FFFFFF;
  font-family: var(--font-heading);
}

.cta-band h2::after {
  background-color: rgba(255,255,255,0.5);
  margin-left: auto;
  margin-right: auto;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  margin: var(--space-sm) 0 var(--space-md);
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--color-accent);
  border-color: #FFFFFF;
}

.btn-white:hover {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #FFFFFF;
}

/* ============================================================
   PAGE INTERNE — LAYOUT
   ============================================================ */

.page-banner {
  background-color: var(--color-primary);
  padding: var(--space-lg) 0 var(--space-md);
  color: #FFFFFF;
}

.page-banner h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.4rem);
  color: #FFFFFF;
  margin-bottom: 0.25rem;
}

.page-banner .breadcrumb {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
}

.page-banner .breadcrumb a {
  color: rgba(255,255,255,0.7);
}

.page-banner .breadcrumb a:hover {
  color: #FFFFFF;
}

.page-content {
  padding: var(--space-xl) 0;
}

.page-content h2 {
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
}

.page-content h2:first-child {
  margin-top: 0;
}

.page-content p {
  margin-bottom: var(--space-sm);
  color: var(--color-text-muted);
}

.page-content ul {
  margin: 0 0 var(--space-sm) var(--space-md);
}

.page-content li {
  margin-bottom: 0.3rem;
  color: var(--color-text-muted);
}

/* ============================================================
   BADGE "PAGE EN CONSTRUCTION"
   ============================================================ */

.badge-wip {
  display: inline-block;
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-accent);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-top: var(--space-md);
}

/* ============================================================
   PIED DE PAGE
   ============================================================ */

.site-footer {
  background-color: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-lg) 0 var(--space-md);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-col h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  color: #FFFFFF;
  margin-bottom: var(--space-sm);
  padding-bottom: 0.4rem;
  border-bottom: 1px solid rgba(255,255,255,0.15);
}

.footer-col p {
  font-size: 0.875rem;
  line-height: 1.6;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 0.35rem;
}

.footer-col ul a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-col ul a:hover {
  color: var(--color-accent-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

.footer-bottom a:hover {
  color: rgba(255, 255, 255, 0.9);
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */

@media (max-width: 900px) {
  .two-col {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

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

@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
    --space-xl: 2.5rem;
  }

  /* Menu hamburger */
  .nav-toggle {
    display: block;
  }

  .main-nav {
    display: none;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background-color: #FFFFFF;
    padding: var(--space-sm) 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
    border-top: 1px solid var(--color-border);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a {
    padding: 0.7rem var(--space-md);
    border-radius: 0;
    border-bottom: 1px solid var(--color-border);
  }

  .site-header {
    position: sticky;
    overflow: visible;
  }

  .site-header .container {
    position: relative;
  }

  .hero {
    padding: var(--space-lg) 0;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

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

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