/* ===================================================================
   La Boule de Neige — feuille de style commune
   Palette et typo provisoires, à recalibrer dès réception du logo
   (voir Claude.md, section Palette de couleurs)
   =================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Karla:wght@400;500;700&display=swap');

:root {
  --color-bg: #FFF9D2;
  --color-bg-alt: #EEF1F3;
  --color-header-bg: #F1F4F7;
  --color-footer-bg: #DCE6EC;
  --color-accent-cold: #7FA8C9;
  --color-accent-cold-light: #E4EDF3;
  --color-text: #24282B;
  --color-text-muted: #5B6167;
  --color-accent-warm: #C8232E;
  --color-accent-warm-hover: #A81D27;
  --color-accent-green: #009E49;
  --color-accent-gold: #FCD116;
  --color-border: #DCE2E6;
  --color-success-bg: #E6F4EC;
  --color-error-bg: #FBEAEA;

  --font-heading: 'Fraunces', 'Georgia', serif;
  --font-body: 'Karla', 'Segoe UI', sans-serif;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-5: 3rem;
  --space-6: 4rem;
  --space-7: 6rem;

  --max-width: 72rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 1.0625rem;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 500;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
  color: var(--color-text);
}

h1 { font-size: clamp(2.25rem, 4vw, 3.25rem); font-weight: 600; }
h2 { font-size: clamp(1.75rem, 3vw, 2.25rem); }
h3 { font-size: 1.3rem; }

p {
  margin: 0 0 var(--space-2);
}

a {
  color: var(--color-accent-warm);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

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

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ---------- En-tête / navigation ---------- */

.site-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-header-bg);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  text-decoration: none;
  color: var(--color-text);
}

.logo img {
  width: 2.75rem;
  height: 2.75rem;
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--color-text);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-1);
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  display: block;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
}

.main-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding-bottom: 3px;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav a[aria-current="page"] {
  border-bottom-color: var(--color-accent-warm);
  color: var(--color-text);
}

@media (max-width: 720px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    width: 100%;
    order: 3;
  }

  .main-nav.is-open {
    display: block;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
    padding-bottom: var(--space-2);
  }

  .main-nav a {
    display: block;
    padding: var(--space-1) 0;
  }

  .site-header .container {
    flex-wrap: wrap;
  }
}

/* ---------- Boutons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  padding: 0.75rem 1.75rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  background: var(--color-accent-warm);
  color: #FFFFFF;
  transition: background-color 0.15s ease;
}

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

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-text);
}

.btn-outline:hover {
  background: var(--color-text);
  color: var(--color-bg);
}

/* ---------- Placeholder visuels (en attendant les fichiers du client) ---------- */

.placeholder-visual {
  border: 1.5px dashed var(--color-accent-cold);
  background: var(--color-accent-cold-light);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 0.9rem;
  padding: var(--space-3);
  min-height: 12rem;
  border-radius: 4px;
}

/* ---------- Sections génériques ---------- */

section {
  padding: var(--space-6) 0;
}

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

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-warm);
  margin-bottom: var(--space-1);
}

/* ---------- Pied de page ---------- */

.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-footer-bg);
  padding: var(--space-5) 0 var(--space-3);
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.footer-grid h4 {
  color: var(--color-text);
  font-size: 1rem;
  margin-bottom: var(--space-1);
}

.footer-grid a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer-grid a:hover {
  color: var(--color-accent-warm);
}

.footer-bottom {
  border-top: 1px solid #B7C4CC;
  padding-top: var(--space-2);
  font-size: 0.85rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-1);
}

.footer-credit a {
  color: var(--color-text-muted);
  text-decoration: underline;
}

.footer-credit a:hover {
  color: var(--color-accent-warm);
}

/* ---------- Formulaires ---------- */

.form-field {
  margin-bottom: var(--space-3);
}

.form-field label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.35rem;
  font-size: 0.95rem;
}

.form-field input,
.form-field textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 1.5px solid #B7C4CC;
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 1rem;
  background: #FFFFFF;
  color: var(--color-text);
}

.form-field input:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--color-accent-cold);
}

/* champ honeypot Netlify, invisible pour les humains */
.form-honeypot {
  position: absolute;
  left: -9999px;
}

.form-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

.form-success,
.form-error {
  padding: var(--space-3);
  border-radius: 4px;
  border: 1.5px solid;
}

.form-success {
  border-color: var(--color-accent-green);
  background: var(--color-success-bg);
}

.form-error {
  border-color: var(--color-accent-warm);
  background: var(--color-error-bg);
}

.form-success p,
.form-error p {
  margin: 0;
}

/* ---------- Bouton retour en haut ---------- */

.back-to-top {
  position: fixed;
  right: var(--space-3);
  bottom: var(--space-3);
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  border: 1.5px solid var(--color-border);
  background: var(--color-bg);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(36, 40, 43, 0.12);
  opacity: 0;
  transform: translateY(0.5rem);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease, border-color 0.15s ease;
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  border-color: var(--color-accent-warm);
}

.back-to-top svg {
  width: 1.1rem;
  height: 1.1rem;
}

/* ---------- Emblème (logo en grand, en tête du hero) ---------- */

.hero-emblem-wrap {
  text-align: center;
}

.hero-emblem {
  width: 9rem;
  height: 9rem;
  margin: 0 auto;
  animation: roll-in-grow 2.2s ease-in-out both;
}

@keyframes roll-in-grow {
  0% {
    transform: translateX(-22rem) scale(0.22) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  50% {
    transform: translateX(-7rem) scale(0.55) rotate(360deg);
  }
  100% {
    transform: translateX(0) scale(1) rotate(720deg);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-emblem {
    animation: none;
  }
}

/* ---------- Petit drapeau inline (Burkina Faso) ---------- */

.flag-icon {
  display: inline-block;
  height: 0.85em;
  width: auto;
  vertical-align: middle;
  margin-left: 0.35em;
  border: 1px solid var(--color-border);
  border-radius: 1px;
}

/* ---------- Page association : hero et historique ---------- */

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-5);
  align-items: center;
  padding-top: var(--space-3);
}

.hero .placeholder-visual {
  min-height: 20rem;
}

.hero-photo-img {
  width: 100%;
  min-height: 20rem;
  max-height: 28rem;
  object-fit: cover;
  border-radius: 4px;
}

.hero-photo-caption {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin: 0.5rem 0 0;
}

@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
  }
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--color-accent-cold);
  max-width: 42rem;
}

.timeline li {
  position: relative;
  padding: 0 0 var(--space-4) var(--space-4);
}

.timeline li::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent-warm);
}

.timeline .year {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  display: block;
  margin-bottom: 0.25rem;
}

/* ---------- Page rapports annuels ---------- */

.rapports-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--space-3);
}

.rapport-card {
  border: 1.5px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-3);
  text-decoration: none;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color 0.15s ease;
}

.rapport-card:hover {
  border-color: var(--color-accent-warm);
  color: var(--color-text);
}

.rapport-card .year {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 600;
  display: block;
}

.rapport-card .label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

/* ---------- Page newsletter ---------- */

.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
  align-items: start;
}

@media (max-width: 800px) {
  .split-section {
    grid-template-columns: 1fr;
  }
}

/* Variante utilisée quand une colonne est une photo : les deux colonnes
   s'étirent à la même hauteur, pour éviter qu'une photo courte laisse un
   grand vide à côté d'un texte plus long (voir Claude.md, page histoire) */
.split-photo {
  align-items: stretch;
}

/* ---------- Carrousel photo (page histoire) ---------- */

.photo-carousel {
  position: relative;
  min-height: 18rem;
  height: 100%;
}

.photo-carousel .placeholder-visual {
  min-height: 18rem;
  height: 100%;
}

.carousel-img {
  width: 100%;
  height: 100%;
  min-height: 18rem;
  object-fit: cover;
  border-radius: 4px;
}

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.85);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(36, 40, 43, 0.2);
}

.carousel-arrow:hover {
  background: #FFFFFF;
  color: var(--color-accent-warm);
}

.carousel-arrow svg {
  width: 1.2rem;
  height: 1.2rem;
}

.carousel-arrow-prev {
  left: 0.75rem;
}

.carousel-arrow-next {
  right: 0.75rem;
}

/* ---------- Page contact ---------- */

.contact-info {
  background: var(--color-bg-alt);
  border-radius: 4px;
  padding: var(--space-4);
}

.contact-info h4 {
  margin-bottom: 0.25rem;
}

.contact-info p {
  margin-bottom: var(--space-3);
}

/* ---------- Page don ---------- */

.don-panel {
  background: linear-gradient(160deg, var(--color-bg) 0%, var(--color-accent-cold-light) 100%);
  border-radius: 4px;
  padding: var(--space-5);
  text-align: center;
}

.don-panel .placeholder-visual {
  max-width: 16rem;
  margin: 0 auto var(--space-3);
  min-height: 16rem;
}

.qr-image {
  width: 14rem;
  margin: 0 auto var(--space-3);
  border: 1.5px solid var(--color-border);
  border-radius: 4px;
}

.iban-block {
  font-family: 'Courier New', monospace;
  background: var(--color-bg);
  border: 1.5px solid var(--color-border);
  border-radius: 4px;
  padding: var(--space-2) var(--space-3);
  display: inline-block;
  margin-top: var(--space-2);
}