:root {
    --primary-bg: #2C1810;
    --secondary-bg: #4A3B2C;
    --accent-color: #8B9D77;
    --accent-color-light: #C5D1BA;
    --text-primary: #F5F5F5;
    --text-secondary: #E0E0E0;
}

body {
    background-color: var(--primary-bg);
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
}


section {
    position: relative;
    background: linear-gradient(180deg, 
        var(--primary-bg) 0%,
        var(--secondary-bg) 50%,
        var(--primary-bg) 100%
    );
    transition: background 0.5s ease;
}

section::before {
    content: '';
    position: absolute;
    top: -50px;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(to bottom, 
        transparent 0%,
        var(--primary-bg) 100%
    );
    z-index: 1; 
}

section::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: 0;
    right: 0;
    height: 50px;
    background: linear-gradient(to top, 
        transparent 0%,
        var(--primary-bg) 100%
    );
    z-index: 1;
}

.navbar {
    background: #061221 !important;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}
.navbar .primary-btn {
    padding: 0.5rem 1.25rem;  
    font-size: 0.875rem;      
    transform: translateY(-1px); 
    margin-left: 1rem;       
    line-height: 1.25;        
}

.navbar a {
    position: relative;
    transition: all 0.3s ease;
}

.navbar a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -2px;
    left: 0;
    background: rgba(150, 235, 154, 0.8);
    transition: all 0.2s ease;
}

.navbar a:hover:after {
    width: 100%;
}

.navbar.scrolled {
    background-color: #0d1d31 !important;
}

.gradient-text {
    background: linear-gradient(90deg, var(--accent-color), var(--accent-color-light));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.reference-card {
    background: rgba(74, 59, 44, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(245, 245, 245, 0.2);
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    height: 100%;
}

.reference-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-color);
    background: rgba(74, 59, 44, 0.8);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}

.primary-btn {
    background: linear-gradient(90deg, var(--accent-color), var(--accent-color-light));
    color: var(--primary-bg);
    transition: all 0.3s ease;
}
        .nav-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--accent-color-light));
    z-index: 60;
    transition: width 0.3s ease-out;
    transform-origin: left;
    box-shadow: 0 0 10px rgba(139, 157, 119, 0.4);
}

.nav-progress.active {
    width: 100%;
}


.nav-progress.active {
    box-shadow: 0 0 10px rgba(139, 157, 119, 0.4);
}


.fade-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.8s ease-out forwards;
}

.fade-up-delay-1 {
    animation-delay: 0.2s;
}

.fade-up-delay-2 {
    animation-delay: 0.4s;
}

.fade-up-delay-3 {
    animation-delay: 0.6s;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}