/*
 * BON‑Energy Consulting 
/* Variables de couleurs */
:root {
  --color-bg: #01120c;        /* Fond principal très sombre */
  --color-bg-alt: #0d251a;    /* Fond secondaire plus clair */
  --color-primary: #48c651;   /* Vert logo */
  --color-primary-light: #66e67e;
  --color-secondary: #ffd843; /* Jaune soleil */
  --color-text: #f4f7f5;      /* Texte clair principal */
  --color-muted: #b0c7b9;     /* Texte secondaire */
  --color-card: #0f2c1e;      /* Cartes et éléments */
  --shadow-soft: 0 12px 30px rgba(0,0,0,0.35);
  --radius-lg: 16px;
  --radius-sm: 8px;
  --transition: 0.35s ease;
}

/* Reset et typographie de base */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--color-secondary);
}

/* Conteneur centralisé */
.container {
  width: min(1120px, 100% - 2rem);
  margin-inline: auto;
}

/* Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo-icon {
  width: 48px;
  height: 48px;
}

.nav {
  position: relative;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  color: var(--color-text);
  font-weight: 600;
  letter-spacing: 0.5px;
  position: relative;
  padding: 0.25rem 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s ease;
}
.nav-links a:hover::after {
  width: 100%;
}

/* Bouton de menu mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-around;
  width: 28px;
  height: 24px;
  background: transparent;
  border: none;
  cursor: pointer;
}
.nav-toggle span {
  width: 100%;
  height: 3px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Mobile navigation state */
.nav.open .nav-links {
  flex-direction: column;
  position: absolute;
  top: 100%;
  right: 0;
  background-color: var(--color-card);
  padding: 1rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  gap: 1rem;
}

.nav.open .nav-toggle span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.nav.open .nav-toggle span:nth-child(2) {
  opacity: 0;
}
.nav.open .nav-toggle span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Hero section */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: brightness(0.4);
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(1,18,12,0.9), rgba(1,18,12,0.8));
}
.hero-content {
  position: relative;
  text-align: center;
  z-index: 1;
}
.hero-kicker {
  color: var(--color-secondary);
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}
.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.hero-tagline {
  font-size: 1.2rem;
  color: var(--color-primary-light);
  margin-bottom: 0.25rem;
}
.hero-subtagline {
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-bottom: 1.5rem;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
}
.btn {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition), border var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
  border: 2px solid var(--color-primary);
}
.btn-primary:hover {
  background: transparent;
  color: var(--color-primary);
}
.btn-outline {
  background: transparent;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-bg);
}

.hero-badges {
  display: flex;
  justify-content: center;
  gap: 2rem;
}
.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.badge-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-secondary);
}
.badge-label {
  font-size: 0.8rem;
  color: var(--color-muted);
}

/* Sections générales */
.section {
  padding: 5rem 0;
  background-color: var(--color-bg);
}
.section-alt {
  background-color: var(--color-bg-alt);
}
.section-title {
  text-align: center;
  font-size: 2rem;
  color: var(--color-primary-light);
  margin-bottom: 0.5rem;
}
.section-intro {
  text-align: center;
  color: var(--color-muted);
  margin-bottom: 2rem;
  max-width: 700px;
  margin-inline: auto;
  font-size: 0.95rem;
}

/* Grid de section à deux colonnes (À propos & Fondateur) */
.section-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

/* Mission et nature sections utilisent la même grille */
.mission-grid,
.nature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

/* Images pour mission et nature */
.mission-image,
.nature-photo {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  object-fit: cover;
}

/* Événements */
.events-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.event-card {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease;
}
.event-card:hover {
  transform: translateY(-6px);
}
.event-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.event-body {
  padding: 1.5rem;
}
.event-body h3 {
  margin-bottom: 0.5rem;
  color: var(--color-secondary);
  font-size: 1.2rem;
}
.event-body p {
  color: var(--color-muted);
  font-size: 0.9rem;
}
.section-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
}
.about-image,
.founder-photo {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

/* Services cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}
.card {
  background-color: var(--color-card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease;
}
.card:hover {
  transform: translateY(-6px);
}
.card h3 {
  margin-bottom: 0.75rem;
  color: var(--color-secondary);
  font-size: 1.25rem;
}
.card p {
  font-size: 0.9rem;
  color: var(--color-muted);
}

/* Projets */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.project-card {
  background-color: var(--color-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
}
.project-card:hover {
  transform: translateY(-6px);
}
.project-image-wrapper {
  position: relative;
  width: 100%;
  overflow: hidden;
}
.project-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}
.project-body {
  padding: 1.25rem;
}
.project-body h3 {
  margin-bottom: 0.5rem;
  color: var(--color-secondary);
  font-size: 1.2rem;
}
.project-body p {
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: flex-start;
}
.contact-info h2 {
  margin-bottom: 1rem;
  color: var(--color-primary-light);
}
.contact-list {
  list-style: none;
  margin-top: 1rem;
  margin-bottom: 1rem;
}
.contact-list li {
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}
.contact-note {
  color: var(--color-muted);
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.contact-form {
  background-color: var(--color-card);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}
.form-row {
  display: flex;
  gap: 1rem;
}
.form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.form-group label {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin-bottom: 0.25rem;
}
.form-group input,
.form-group textarea {
  padding: 0.75rem 1rem;
  border: 1px solid #1f3e2d;
  border-radius: var(--radius-sm);
  background-color: #0e251a;
  color: var(--color-text);
  resize: vertical;
  font-size: 0.9rem;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.form-success {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--color-secondary);
}

/* Footer */
.footer {
  background-color: var(--color-bg-alt);
  padding: 2rem 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.85rem;
}
.footer-motto {
  margin-top: 0.25rem;
  color: var(--color-primary-light);
}

/* Réactivité */
@media (max-width: 900px) {
  .section-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .nav.open .nav-links {
    display: flex;
    position: absolute;
    flex-direction: column;
    top: calc(100% + 0.5rem);
    right: 0;
    width: 200px;
  }
  .nav.open .nav-links a {
    padding: 0.5rem 0;
  }
}

/* Animations de fade-in */
.fade-in-up,
.fade-in-left,
.fade-in-right {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-left {
  transform: translateX(-30px);
}
.fade-in-right {
  transform: translateX(30px);
}
.show {
  opacity: 1 !important;
  transform: translate(0,0) !important;
}

/* Délais personnalisés pour cartes */
.card[style*="--delay"] {
  animation-delay: var(--delay);
}