:root {
    --color-primario: #3498db;
    --color-primario-hover: #2980b9;
    --color-fondo: #ffffff;
    --color-texto: #333333;
    --color-cabecera: #2c3e50;
    --color-fondo-seccion: #f8f9fa;
    --fuente-principal: 'Lato', sans-serif;
    --fuente-titulos: 'Montserrat', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--fuente-principal);
    margin: 0;
    padding: 0;
    background-color: var(--color-fondo);
    color: var(--color-texto);
    line-height: 1.6;
}

.cem-logo-container {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
}

.cem-logo {
    height: 60px;
    width: auto;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.cem-logo:hover {
    transform: scale(1.05);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

h1,
h2,
h3 {
    font-family: var(--fuente-titulos);
    color: var(--color-cabecera);
}

h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
}

section {
    padding: 60px 0;
}

.hero {
    background-color: var(--color-fondo-seccion);
    text-align: center;
    padding: 100px 0;
}

.hero h1 {
    font-size: 4rem;
    margin: 0;
}

.hero p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 20px auto 40px;
}

.cta-button {
    display: inline-block;
    background-color: var(--color-primario);
    color: #fff;
    padding: 15px 30px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: var(--color-primario-hover);
}

.screenshot-section {
    text-align: center;
}

.screenshot-section img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.features-section {
    background-color: var(--color-fondo-seccion);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-item {
    text-align: center;
}

.feature-item .icon {
    font-size: 3rem;
    color: var(--color-primario);
    margin-bottom: 15px;
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
}

footer {
    background-color: var(--color-cabecera);
    color: #fff;
    text-align: center;
    padding: 40px 0;
}

.social-icons {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    gap: 15px;
}

.social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.social-icons a:hover {
    background-color: var(--color-primario);
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    h2 {
        font-size: 2rem;
    }

    .hero h1 {
        font-size: 3rem;
    }

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

    section {
        padding: 40px 0;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .social-icons {
        margin-top: 15px;
    }

    .cem-logo-container {
        top: 15px;
        left: 15px;
    }

    .cem-logo {
        height: 45px;
    }
}

@media (max-width: 480px) {
    .cem-logo {
        height: 35px;
    }
}