:root {
    --primary-color: #00d4ff;
    --accent-color: #0052d4;
    --bg-dark: #0a0a0c;
    --glass: rgba(255, 255, 255, 0.05);
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-dark);
    color: white;
    overflow-x: hidden;
}

.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    
    /* Configuración de Imagen de Fondo */
    background-image: 
        linear-gradient(135deg, rgba(10, 10, 12, 0.85), rgba(10, 10, 12, 0.85)), 
        url('img/fondo.png');
    
    background-size: cover;
    background-position: center;
    background-attachment: fixed; /* Efecto Parallax sutil */
    position: relative;
}

/* Opcional: Un ligero resplandor en el fondo para dar profundidad */
.hero-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.1), transparent 70%);
    pointer-events: none;
}

.intro-header {
    text-align: center;
    margin-bottom: 4rem;
}

.intro-header h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.intro-header h1 span {
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    width: 100%;
    max-width: 1200px;
}

/* Efecto Glassmorphism */
.card {
    background: var(--glass);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 3rem 2rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-15px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.card i {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    color: var(--primary-color);
}

.card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.card p {
    color: #b0b0b0;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.btn-explore {
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 5px;
    transition: 0.3s;
}

.btn-explore:hover {
    letter-spacing: 1px;
    color: var(--primary-color);
}