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

body {
    font-family: 'Arial', sans-serif;
    background-color: #0a192f;
    color: white;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.landing-container {
    text-align: center;
    padding: 2rem;
    max-width: 1200px;
    width: 100%;
}

.main-title {
    font-size: 3.5rem;
    margin-bottom: 2rem;
    color: #ffd700;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* Ajuste para los dos botones */
.cta-button {
    background: linear-gradient(45deg, #ffd700, #ffed4e);
    color: #0a192f;
    border: none;
    padding: 1.5rem 3rem;
    font-size: 1.5rem;
    font-weight: bold;
    border-radius: 50px;
    cursor: pointer;
    margin-bottom: 3rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
    display: block;
    width: 100%;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.5);
}

/* Botón de Telegram */
.telegram-button {
    background: linear-gradient(45deg, #0088cc, #00a2e8);
    margin-bottom: 1.5rem;
}

.telegram-button:hover {
    box-shadow: 0 6px 20px rgba(0, 136, 204, 0.5);
}

.subtitle {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: white;
}

.videos-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.video-wrapper {
    background: #1e3a5f;
    border-radius: 15px;
    padding: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.video-wrapper iframe {
    border-radius: 10px;
}

.contact-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background: #1e3a5f;
    border-radius: 15px;
}

.contact-link {
    color: #ffd700;
    font-size: 1.8rem;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #ffed4e;
    text-decoration: underline;
}

/* Copyright Section - Discreto */
.copyright {
    margin-top: 2rem;
    text-align: center;
    padding: 1rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.copyright:hover {
    opacity: 1;
}

.copyright p {
    color: #c0c0c0;
    font-size: 0.9rem;
    margin: 0;
}

.copyright strong {
    color: #ffd700;
}

.developer-contact {
    color: #c0c0c0;
    font-size: 0.9rem;
    text-decoration: none;
}

.developer-contact:hover {
    color: #ffd700;
    text-decoration: underline;
}

/* Botón flotante de WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float img {
    width: 35px;
    height: 35px;
    border-radius: 50%;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem;
    }

    .videos-container {
        grid-template-columns: 1fr;
    }

    .cta-button {
        font-size: 1.1rem;
        padding: 1.2rem 2rem;
        margin-bottom: 1.5rem;
    }

    .contact-link {
        font-size: 1.4rem;
    }

    .copyright {
        margin-top: 1.5rem;
        padding: 0.5rem;
    }

    .copyright p {
        font-size: 0.8rem;
    }

    .developer-contact {
        font-size: 0.8rem;
    }

    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-float img {
        width: 30px;
        height: 30px;
    }
}