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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

/* Header Styles */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo img {
    display: block;
}

.navigation ul.menu {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
}

.navigation ul.menu li a {
    text-decoration: none;
    color: #333;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.navigation ul.menu li a:hover,
.navigation ul.menu li a.active {
    color: #f4b126;
}

.mobile-nav-btn {
    display: none;
    cursor: pointer;
}

/* Hero Section */
.hero {
    margin-top: 129px;
    height: 400px;
    background-image: url('../img/fondo.jpeg');
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    color: #000000;
    max-width: 900px;
    padding: 0 20px;
}

.hero h1 {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    letter-spacing: 2px;
}

.hero-subtitle {
    font-size: 14px;
    letter-spacing: 1px;
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

/* Maintenance Section */
.maintenance-section {
    padding: 60px 20px;
    text-align: center;
    background-color: #f9f9f9;
}

.maintenance-banner img {
    max-width: 200px;
    height: auto;
}

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 40px;
    text-align: center;
}

.logo-certifications {
    margin-bottom: 60px;
}

.logo-certifications img {
    max-width: 950px;
    height: auto;
}

.video-container {
    max-width: 800px;
    margin: 0 auto 60px;
}

.video-container video {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.brands-intro {
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
}

.brands-carousel {
    overflow: hidden;
    padding: 40px 0;
    position: relative;
}

/* Carrusel en una sola fila que se mueve solo */
.brands-carousel .carousel-track {
    display: flex;
    gap: 40px;
    align-items: center;
    flex-wrap: nowrap;
    justify-content: flex-start;
    /* Usamos variables CSS para distancia y duración */
    animation: brands-scroll var(--duration, 40s) linear infinite;
}

/* Imágenes dentro del placeholder */
.brands-carousel .brand-placeholder img {
    display: block;
    height: 150px;      /* ajusta al tamaño que mejor se vea */
    width: auto;
    object-fit: contain;
}

/* La distancia real la calculamos en JS con --scroll-distance */
@keyframes brands-scroll {
    from {
        transform: translateX(0);
    }
    to {
        transform: translateX(calc(-1 * var(--scroll-distance, 0px)));
    }
}

/* Footer */
#footer {
    background-color: #202729;
    color: #7d8c94;
    padding: 60px 40px 30px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    margin-bottom: 40px;
}

.footer-address p {
    margin: 5px 0;
    font-size: 14px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(125, 140, 148, 0.2);
}

.copyrights {
    font-size: 12px;
    color: #7d8c94;
}

/* Responsive Design */
@media (max-width: 768px) {
    .navigation {
        overflow: auto; /*habilita scroll horizontal*/
        white-space: nowrap; /*Evita que los enlaces se salten de linea */
        -webkit-overflow-scrolling: touch; /*scroll sua en IOS*/
        scrollbar-width: none; /*oculto la barra en firefox*/
       /* display: none;*/
    }
    
    .mobile-nav-btn {
        display: block;
        background-color: #333;
        color: #fff;
        padding: 10px 20px;
        border-radius: 4px;
        font-size: 14px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 12px;
    }
    
    .header-container {
        padding: 15px 20px;
    }
    
    .main-content {
        padding: 40px 20px;
    }
    
    .logo-certifications img {
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .hero {
        height: 300px;
    }
    
    .hero h1 {
        font-size: 24px;
    }
    
    .carousel-track {
        gap: 20px;
    }
    
    .brand-placeholder {
        width: auto;
        height: auto;
    }
}