:root {
    --accent-green: #a3e635;
    --dark-card: rgba(25, 27, 30, 0.9);
    --glass-bg: rgba(255, 255, 255, 0.1);
}

body {
    background-color: #0f1113;
    font-family: 'Inter', sans-serif;
    margin: 0;
}

/* Fondo con Overlay */
.hero-section {
    position: relative;
    min-height: 100vh;
    background: url('https://images.unsplash.com/photo-1549060279-7e168fcee0c2?q=80&w=2070') center/cover no-repeat;
    display: flex;
    align-items: center;
    padding: 80px 0 40px 0;
}

.hero-section::before {
    content: "";
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle, rgba(0,0,0,0.5) 0%, rgba(0,0,0,0.9) 100%);
    z-index: 1;
}

.content-wrapper {
    position: relative;
    z-index: 2;
    width: 100%;
}

.italic-title {
    font-family: 'Oswald', sans-serif;
    font-style: italic;
    letter-spacing: 1px;
}

/* Botón con estilo Neón */
.btn-ingresar {
    background-color: var(--accent-green);
    color: #000;
    font-weight: 800;
    padding: 12px 50px;
    border-radius: 50px;
    box-shadow: 0 0 20px rgba(163, 230, 53, 0.4);
    transition: all 0.3s ease;
    border: none;
}

.btn-ingresar:hover {
    transform: scale(1.05);
    background-color: #bef264;
    box-shadow: 0 0 30px rgba(163, 230, 53, 0.6);
}

/* Tarjetas Superiores (Glassmorphism) */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 15px;
    color: #fff;
}

/* Tarjetas Inferiores */
.feature-card {
    background: var(--dark-card);
    border: 2px solid #2a2d31;
    border-radius: 20px;
    padding: 25px 15px;
    transition: 0.3s;
    height: 100%;
}

.active-card {
    border-color: var(--accent-green);
    box-shadow: inset 0 0 10px rgba(163, 230, 53, 0.1);
}

/* Estilo de Iconos con Brillo */
.feature-card i {
    font-size: 2.2rem;
    filter: drop-shadow(0 0 8px currentColor);
}

.icon-blue { color: #00d4ff; }
.icon-green { color: var(--accent-green); }
.icon-cyan { color: #22d3ee; }

/* --- RESPONSIVO --- */

@media (max-width: 768px) {
    .hero-section {
        padding-top: 100px;
    }
    
    .display-4 {
        font-size: 1.8rem; /* Título más pequeño en móvil */
    }

    .btn-ingresar {
        width: 90%;
        padding: 15px;
    }

    .feature-card {
        display: flex;
        align-items: center;
        justify-content: flex-start;
        padding: 15px 25px;
    }

    .feature-card i {
        font-size: 1.8rem;
        margin-right: 20px;
    }

    .feature-card p {
        margin: 0 !important;
    }
}