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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    padding: 2rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb, #f5576c);
    animation: gradient 3s ease infinite;
}

@keyframes gradient {
    0%, 100% { transform: translateX(-100%); }
    50% { transform: translateX(100%); }
}

.header h1 {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: -2px;
}

.header p {
    font-size: 1.3rem;
    color: #666;
    font-weight: 300;
}

/* Main */
.main {
    padding: 4rem 0;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

/* Cards */
.card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.25);
}

.card h2 {
    font-size: 2.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1.5rem;
    position: relative;
}

.card h2::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.card p {
    font-size: 1.1rem;
    color: #555;
    margin-bottom: 1rem;
    line-height: 1.8;
}

/* Footer */
footer {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    text-align: center;
    padding: 2rem 0;
    font-size: 1rem;
    backdrop-filter: blur(10px);
}

/* Responsivo */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2.5rem;
    }

    .header p {
        font-size: 1.1rem;
    }

    .card {
        padding: 2rem;
        margin: 0 1rem;
    }

    .main {
        padding: 2rem 0;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 2rem;
    }

    .card {
        padding: 1.5rem;
        margin: 0 0.5rem;
    }

    .card h2 {
        font-size: 1.8rem;
    }
}