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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #0b0b0b;
    color: #eaeaea;
    line-height: 1.6;
}


/* ===== HEADER HERO ===== */
.header-hero {
    position: relative;
    height: 100vh;
    overflow: hidden;
    
    /* CONFIGURACIÓN DE LA IMAGEN DE FONDO */
    background-image: url("fondo.png"); /* Asegúrate de que la ruta sea correcta */
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed; /* Esto crea un efecto Parallax suave */
}

/* Eliminamos o comentamos .header-video ya que no existe más */
.header-video {
    display: none;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6); /* Ajusta el 0.6 para aclarar u oscurecer la imagen */
    z-index: 2;
}

.header-content {
    position: relative;
    z-index: 3;
    text-align: center;
    top: 50%;
    transform: translateY(-50%);
}
/* ===== LOGO ===== */
.header-avatar {
    width: 80px;
    vertical-align: middle;
}

.brand-name {
    font-size: 2.5rem;
    margin-left: 10px;
}

.eco {
    color: #2196f3;
}

.volt {
    color: #ffffff;
}

.tagline {
    color: #bbbbbb;
    margin-top: 10px;
}

/* ===== NAV ===== */
.nav-buttons {
    margin-top: 25px;
}

.nav-buttons a {
    background: rgba(255, 255, 255, 0.05);
    color: #64b5f6;
    border: 1px solid rgba(33, 150, 243, 0.3);
    padding: 10px 20px;
    border-radius: 25px;
    text-decoration: none;
    margin: 5px;
    display: inline-block;
    transition: all 0.3s ease;
}

.nav-buttons a:hover {
    background: #2196f3;
    color: black;
    transform: scale(1.08);
}

/* ===== SECTIONS ===== */
.hero, .benefits, .cta, .testimonial {
    padding: 60px 20px;
    text-align: center;
    background: #121212;
}

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

h1, h2, h3 {
    letter-spacing: 1px;
}

h2 {
    margin-bottom: 20px;
}

p {
    margin-bottom: 20px;
}

/* ===== BUTTONS ===== */
.button {
    background: linear-gradient(135deg, #2196f3, #64b5f6);
    color: black;
    padding: 12px 25px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}

.button:hover {
    transform: scale(1.07);
    box-shadow: 0 0 15px #64b5f6;
}

.button.small {
    padding: 8px 15px;
    font-size: 0.9rem;
}

/* ===== CARDS ===== */
.cards {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.card {
    background: #1a1a1a;
    border: 1px solid rgba(33, 150, 243, 0.2);
    padding: 20px;
    border-radius: 15px;
    width: 300px;
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 20px rgba(33, 150, 243, 0.3);
}

/* ===== MEDIA ===== */
iframe {
    margin-top: 20px;
    border-radius: 10px;
    max-width: 100%;
}

audio {
    margin-top: 20px;
}

/* ===== FOOTER ===== */
footer {
    background: black;
    text-align: center;
    padding: 20px;
    color: #888;
    font-size: 0.9rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .cards {
        flex-direction: column;
        align-items: center;
    }

    .brand-name {
        font-size: 2rem;
    }
}