@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&display=swap');

:root {
    --granite-dark: #2c3539;
    --granite-medium: #4a5f6e;
    --granite-light: #6d8a9c;
    --frozen-light: #a8d0e6;
    --frozen-bright: #d4f1f9;
    --ice-shadow: #87a9c4;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    background: linear-gradient(135deg, #111827 0%, #1e293b 50%, #0f172a 100%);
    color: var(--frozen-bright);
    overflow-x: hidden;
    line-height: 1.6;
}

.granite-texture {
    background-image: 
        radial-gradient(circle at 25% 25%, #3c4a52 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, #3c4a52 1px, transparent 1px),
        radial-gradient(circle at 50% 10%, #3c4a52 3px, transparent 3px);
    background-size: 300px 300px, 200px 200px, 400px 400px;
    background-color: var(--granite-dark);
}

.frost-overlay {
    position: relative;
}

.frost-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, 
        rgba(168, 208, 230, 0.03) 0%, 
        rgba(212, 241, 249, 0.08) 50%, 
        rgba(255, 255, 255, 0.02) 100%);
    pointer-events: none;
    z-index: 1;
}

.light-refraction {
    background: 
        radial-gradient(circle at 20% 30%, rgba(212, 241, 249, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(168, 208, 230, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
}

.gradient-text {
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.card {
    background: rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.7));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
    transition: all 0.3s ease;
}

.btn-primary {
    background: #10b981;
    color: white;
}

.btn-primary:hover {
    background: #059669;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.35);
}

.btn-secondary {
    background: white;
    color: #1e293b;
}

.btn-secondary:hover {
    background: #f1f5f9;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
        line-height: 1.2;
    }
    
    .btn-primary, .btn-secondary {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
}