body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    background-color: #f8fafc;
}
.gradient-bg {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
}
.hero-gradient {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 50%, #1d4ed8 100%);
}
.card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.floating-animation {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

.pulse-animation {
    animation: pulse 2s infinite;
}

.glassmorphism {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.text-gradient {
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.btn-glow {
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.3);
}

.btn-glow:hover {
    box-shadow: 0 0 30px rgba(37, 99, 235, 0.5);
}

/* Demonstração dos gradientes */
.demo-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.demo-card {
    height: 200px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 18px;
}

.demo-text {
    font-size: 48px;
    font-weight: 800;
    text-align: center;
    margin: 40px 0;
}

.demo-button {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    margin: 10px;
    transition: all 0.3s ease;
}