/* --- Variables & Typographie --- */
:root {
    /* Palette moderne et naturelle */
    --color-primary: #1a3c1a; /* Vert forêt très foncé (luxe) */
    --color-secondary: #2d5a27; /* Vert végétal */
    --color-accent: #76c893;    /* Vert menthe/vif pour le peps */
    --color-dark: #212529;
    --color-light: #f8f9fa;
    --color-bg-grey: #f4f7f6; /* Gris très léger pour les sections alternées */

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    color: var(--color-dark);
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .navbar-brand {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.5px;
}

/* Utilitaires */
.fw-extrabold { font-weight: 800; }
.text-accent { color: var(--color-accent) !important; }
.text-accent-dark { color: var(--color-secondary) !important; }
.bg-dark-green { background-color: var(--color-primary); }
.bg-light-grey { background-color: var(--color-bg-grey); }
.ls-2 { letter-spacing: 2px; }
.section-padding { padding: 100px 0; }
.object-fit-cover { object-fit: cover; }


/* --- Navbar Moderne (Transition) --- */
.navbar {
    padding-top: 20px;
    padding-bottom: 20px;
    transition: all 0.4s ease-in-out;
    background: transparent;
}

.navbar.scrolled {
    background: rgba(26, 60, 26, 0.95); /* Vert foncé semi-transparent */
    backdrop-filter: blur(10px); /* Effet de flou moderne (glassmorphism léger) */
    padding-top: 10px;
    padding-bottom: 10px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

.navbar-brand { font-size: 1.75rem; }
.nav-link { font-weight: 600; text-transform: uppercase; font-size: 0.9rem; letter-spacing: 1px;}

/* --- Boutons Modernes --- */
.btn {
    font-family: var(--font-heading);
    font-weight: 600;
    padding: 12px 28px;
    transition: all 0.3s ease;
}

.btn-accent {
    background-color: var(--color-accent);
    border: 2px solid var(--color-accent);
    color: var(--color-primary);
}

.btn-accent:hover {
    background-color: transparent;
    color: var(--color-accent);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px -10px rgba(118, 200, 147, 0.5);
}

.btn-outline-light:hover {
    background-color: #ffffff;
    color: var(--color-primary);
    transform: translateY(-3px);
}


/* --- Hero Section Ultra-Moderne --- */
.hero-header {
    position: relative;
    height: 100vh; /* Plein écran */
    min-height: 600px;
    overflow: hidden;
    margin-top: 0; /* Reset */
}

.hero-img {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    z-index: -2;
    /* Effet de zoom lent très classe */
    animation: subtleZoom 30s infinite alternate;
}

@keyframes subtleZoom {
    from { transform: scale(1); }
    to { transform: scale(1.1); }
}

/* Overlay dégradé moderne */
.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(45deg, rgba(26,60,26,0.9) 0%, rgba(45,90,39,0.6) 100%);
    z-index: -1;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.1;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.3);
}

@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.8rem; }
}

.scroll-down-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 2rem;
    opacity: 0.7;
}
.animate-bounce { animation: bounce 2s infinite; }
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {transform: translateY(0);}
  40% {transform: translateY(-20px);}
  60% {transform: translateY(-10px);}
}


/* --- Cards & Services (Style Épuré) --- */
.service-card {
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    border: none;
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1) !important;
}

.icon-box {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px; height: 80px;
    background-color: #e8f5e9; /* Fond vert très clair pour l'icône */
    border-radius: 50%;
    transition: all 0.3s ease;
}
.service-card:hover .icon-box {
    background-color: var(--color-accent);
    color: white;
}
.service-card:hover .icon-box i {
    color: var(--color-primary) !important;
}


/* --- Galerie --- */
.gallery-item {
    height: 300px;
    cursor: pointer;
}
.hover-scale {
    transition: transform 0.5s ease;
}
.gallery-item:hover .hover-scale {
    transform: scale(1.05);
}