:root { 
    --dark-green: #1a4332; 
    --leaf-green: #2d6a4f; 
    --soft-green: #f0f4f2; 
    --bamboo-yellow: #d4e09b;
}

body { 
    font-family: 'Segoe UI', Roboto, sans-serif; 
    color: var(--dark-green);
    background-color: #fff;
    overflow-x: hidden;
}

/* Bambu Arkaplan Deseni - Kontrast artırıldı ve WebP optimizasyonu eklendi */
.hero-section {
    background: linear-gradient(rgba(20, 50, 35, 0.9), rgba(20, 50, 35, 0.9)), 
                url('https://images.unsplash.com/photo-1543062229-334157d3c33d?auto=format&fit=crop&q=80&w=2000&fm=webp');
    background-size: cover;
    background-position: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
    color: white;
    position: relative;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top, #fff, transparent);
}

.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px);
    border-bottom: 2px solid var(--leaf-green);
}

.nav-link { 
    color: var(--dark-green) !important; 
    font-weight: 600; 
    margin: 0 10px; 
}

.nav-link:hover { 
    color: var(--leaf-green) !important; 
}

.btn-chook {
    background-color: var(--leaf-green);
    color: white;
    border-radius: 50px;
    padding: 12px 35px;
    font-weight: bold;
    transition: 0.3s;
    border: none;
    text-decoration: none;
    display: inline-block;
}

.btn-chook:hover {
    background-color: var(--dark-green);
    color: var(--bamboo-yellow);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Şeffaf buton için okunabilirliği artıran metin gölgesi */
.btn-outline-light {
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
}

.feature-card {
    border: none;
    border-radius: 20px;
    padding: 30px;
    background: var(--soft-green);
    transition: 0.3s;
    height: 100%;
}

.feature-card:hover {
    background: var(--bamboo-yellow);
    transform: scale(1.05);
}

.bamboo-decor {
    position: absolute;
    opacity: 0.1;
    z-index: 0;
    pointer-events: none;
}

footer {
    background: var(--dark-green);
    color: white;
    padding: 50px 0;
}