.hero-gradient {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.text-gradient {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6, #06b6d4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-gradient {
    background: linear-gradient(180deg, #000000 0%, #0a0a0a 50%, #000000 100%);
}

.card-modern {
    background: rgba(31, 41, 55, 0.8);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-modern:hover {
    background: rgba(31, 41, 55, 0.9);
    border-color: rgba(59, 130, 246, 0.3);
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(37, 99, 235, 0.25);
}

.glass-effect {
    background: rgba(31, 41, 55, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    color: white;
    text-decoration: none;
    display: inline-block;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8, #1e40af);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 99, 235, 0.4);
    text-decoration: none;
    color: white;
}

.btn-secondary {
    background: rgba(75, 85, 99, 0.8);
    border: 1px solid rgba(156, 163, 175, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: white;
    text-decoration: none;
    display: inline-block;
}

.btn-secondary:hover {
    background: rgba(75, 85, 99, 1);
    border-color: rgba(156, 163, 175, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(75, 85, 99, 0.3);
    text-decoration: none;
    color: white;
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-delayed {
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}