:root {
            --color-negro-puro: #000000;
            --color-negro-suave: #1a1a1a;
            --color-azul-zafiro: #007bff;
            --color-gris-texto: #cccccc;
            --color-blanco: #ffffff;
        }

        body {
            font-family: 'Montserrat', sans-serif;
            background-color: var(--color-negro-puro);
            color: var(--color-blanco);
            overflow-x: hidden;
        }

        /* Tipografía y Utilidades */
        h1, h2, h3, h4, h5 { font-weight: 800; letter-spacing: -0.5px; }
        .text-accent { color: var(--color-azul-zafiro) !important; }
        .bg-negro-suave { background-color: var(--color-negro-suave); }
        .text-gris { color: var(--color-gris-texto); }
        .section-padding { padding: 100px 0; }

        .decorated-title::before {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background-color: var(--color-azul-zafiro);
            margin-bottom: 20px;
        }
        
        /* Navbar */
        .navbar {
            background-color: rgba(0, 0, 0, 0.95) !important;
            border-bottom: 2px solid var(--color-azul-zafiro);
        }
        .navbar-brand { font-weight: 800; font-size: 1.5rem; letter-spacing: 1px; }
        .nav-link { font-weight: 600; text-transform: uppercase; font-size: 0.9rem; padding: 0 15px !important; transition: color 0.3s ease; }
        .nav-link:hover, .nav-link.active { color: var(--color-azul-zafiro) !important; }

        /* Hero */
        .hero-section {
            position: relative;
            background: url('../img/estacionamientos2.jpg') no-repeat center center/cover;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }
        .hero-overlay {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(to bottom, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.85) 100%);
        }
        .hero-content { position: relative; z-index: 2; }
        .hero-title { font-size: 3.5rem; text-transform: uppercase; margin-bottom: 1.5rem; }

        /* Botones */
        .btn-zafiro {
            background-color: var(--color-azul-zafiro);
            color: white;
            padding: 15px 40px;
            font-weight: 700;
            text-transform: uppercase;
            border: none;
            border-radius: 0;
            transition: all 0.3s ease;
        }
        .btn-zafiro:hover { background-color: #003399; transform: translateY(-3px); color: white; }

        /* Estilos del Formulario (Zona Verde) */
        .form-control, .form-select {
            background-color: #1a1a1a;
            border: 1px solid #333;
            color: white;
            border-radius: 0;
            padding: 12px;
        }
        .form-control:focus, .form-select:focus {
            background-color: #222;
            border-color: var(--color-azul-zafiro);
            color: white;
            box-shadow: none;
        }
        .form-control::placeholder {
            color: #cccccc;
            opacity: 0.7;
        }
        .form-label { font-size: 0.85rem; color: var(--color-azul-zafiro); font-weight: 600; text-transform: uppercase; margin-bottom: 5px; }
        
        /* Input de archivo personalizado */
        .file-upload-wrapper {
            position: relative;
            overflow: hidden;
            display: inline-block;
        }
        .btn-file-custom {
            border: 1px dashed #444;
            color: var(--color-gris-texto);
            padding: 10px 20px;
            cursor: pointer;
            width: 100%;
            text-align: center;
            transition: 0.3s;
        }
        .btn-file-custom:hover {
            border-color: var(--color-azul-zafiro);
            color: white;
        }

        /* Video & Cards */
        .video-container { border-radius: 8px; overflow: hidden; border: 3px solid var(--color-negro-suave); }
        .driver-card { background-color: var(--color-negro-suave); border: none; border-bottom: 4px solid var(--color-azul-zafiro); }
        .driver-img-wrapper { height: 300px; overflow: hidden; }
        .driver-img-wrapper img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(30%); }
        
        /* Footer/Contacto Layout */
        .contact-info-box {
            background-color: var(--color-negro-suave);
            padding: 30px;
            margin-bottom: 20px;
            border-left: 4px solid var(--color-azul-zafiro);
        }
        
        .whatsapp-btn {
            position: fixed; bottom: 30px; right: 30px;
            background-color: #25D366; color: white;
            width: 65px; height: 65px; border-radius: 50%;
            display: flex; justify-content: center; align-items: center;
            font-size: 35px; z-index: 9999;
        }

        /* Animaciones */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        body { animation: fadeIn 1s ease-out; }
        .hero-title { animation: fadeInUp 1s ease-out 0.5s both; }
        .whatsapp-btn:hover { animation: pulse 1s infinite; }

/*
==============================================
MEJORAS DE UX Y ELEGANCIA (AÑADIDO POR EXPERTO)
==============================================
*/

/* 1. EFECTO DE NAVEGACIÓN DINÁMICA */
.navbar {
    transition: background-color 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

.navbar.navbar-scrolled {
    background-color: rgba(10, 10, 10, 0.85) !important; /* Un fondo más oscuro y translúcido */
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

/* 2. EFECTO DE ZOOM EN HERO */
@keyframes hero-zoom {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

.hero-section {
    animation: hero-zoom 25s infinite alternate ease-in-out;
}

/* 3. MEJORAS DE INTERACCIÓN Y HOVER */

/* Transiciones suaves para una experiencia fluida */
.nav-link, .btn, .driver-card, .btn-file-custom {
    transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Efecto de elevación para botones */
.btn-zafiro:hover {
    background-color: #0056b3; /* Un azul más intenso */
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 123, 255, 0.25);
}

.whatsapp-btn {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.5);
    animation: none; /* Sobrescribe la animación de pulso para un control más fino */
}

/* Tarjetas de conductor más interactivas */
.driver-card {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.driver-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.driver-img-wrapper img {
    transition: transform 0.5s ease, filter 0.5s ease;
}

.driver-card:hover .driver-img-wrapper img {
    transform: scale(1.1);
    filter: grayscale(0%);
}

.driver-card .card-title {
    color: var(--color-blanco);
}


/* 4. PULIDO DEL FORMULARIO */

.form-control, .form-select {
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    border-width: 2px;
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 15px rgba(0, 123, 255, 0.5);
    border-color: var(--color-azul-zafiro);
}

.btn-file-custom:hover {
    background-color: rgba(0, 123, 255, 0.1);
    border-color: var(--color-azul-zafiro);
    color: white;
}


/* 5. SISTEMA DE ANIMACIÓN AL SCROLL (REVEAL) */
/* Clases para ser manejadas por JavaScript (Intersection Observer) */

/* Estado inicial: oculto */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s cubic-bezier(0.5, 0, 0, 1), transform 0.8s cubic-bezier(0.5, 0, 0, 1);
    will-change: opacity, transform; /* Optimización de rendimiento */
}

/* Estado final: visible */
.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* 6. ESTILOS PARA EL ACORDEÓN DE FAQ */
.accordion-item {
    background-color: transparent;
    border: 1px solid #333;
    margin-bottom: 10px;
    border-radius: 4px !important; /*Bootstrap 5 bug fix*/
    overflow: hidden; /* Ensures the border-radius is respected by child elements */
}

.accordion-header .accordion-button {
    background-color: var(--color-negro-suave);
    color: var(--color-blanco);
    font-weight: 600;
    font-size: 1.1rem;
    transition: background-color 0.3s ease;
}

.accordion-button:hover {
    background-color: #2a2a2a;
}

.accordion-button:focus {
    box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
    z-index: 3;
}

.accordion-button:not(.collapsed) {
    background-color: var(--color-azul-zafiro);
    color: var(--color-blanco);
    box-shadow: none;
}

.accordion-body {
    background-color: #222;
    color: var(--color-gris-texto);
    line-height: 1.8;
    padding: 20px 25px;
}

.accordion-button::after, 
.accordion-button:not(.collapsed)::after {
    filter: brightness(0) invert(1); /* Puts the chevron in white color */
}

/*
==============================================
AJUSTES DE DISEÑO RESPONSIVO (TABLET Y MÓVIL)
==============================================
*/
@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    .hero-subtitle.fs-4 {
        font-size: 1.2rem !important;
    }
}

@media (max-width: 768px) {
    /* 1. Tipografía y Espaciado General */
    .section-padding {
        padding: 70px 0;
    }

    .decorated-title {
        font-size: 1.9rem;
    }

    /* 2. Hero Section */
    .hero-title {
        font-size: 2.3rem;
        line-height: 1.3;
    }

    .hero-subtitle.fs-4 {
        font-size: 1.1rem !important;
    }
    
    .btn-lg {
        padding: 14px 35px;
        font-size: 0.9rem;
    }
    
    .navbar-brand {
        font-size: 1.3rem;
    }

    /* 3. Estructura y Componentes */
    .footer .col-lg-5 {
        margin-bottom: 40px !important;
    }
    
    .bg-negro-suave.p-4.p-md-5 {
        padding: 30px !important;
    }
    
    .accordion-header .accordion-button {
        font-size: 1rem;
    }

    /* 4. Botón de WhatsApp */
    .whatsapp-btn {
        width: 60px;
        height: 60px;
        font-size: 30px;
        bottom: 20px;
        right: 20px;
    }
}

/*
==============================================
NUEVA SECCI�N: �POR QU� ELEGIRNOS?
==============================================
*/
#elegirnos {
    background-color: var(--color-negro-puro); /* O puedes usar #000 si prefieres consistencia */
}

#elegirnos .list-unstyled li span {
    line-height: 1.7;
}

.elegirnos-imagen-wrapper {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 15px 35px rgba(0, 123, 255, 0.15);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.5s ease;
}

.elegirnos-imagen-wrapper:hover {
    transform: perspective(1000px) rotateY(0deg);
    box-shadow: 0 20px 45px rgba(0, 123, 255, 0.25);
}

.elegirnos-imagen-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

/* Responsive para la nueva secci�n */
@media (max-width: 991.98px) {
    .elegirnos-imagen-wrapper {
        transform: rotateY(0); /* Resetea la rotaci�n en tablet/m�vil */
        margin-top: 2rem;
    }
}


/*
==============================================
BOT�N FLOTANTE DE IDIOMA
==============================================
*/
.lang-btn {
    position: fixed;
    bottom: 110px; /* whatsapp-btn (65px) + separacion (15px) + whatsapp-bottom (30px) */
    right: 30px;
    background-color: var(--color-azul-zafiro);
    color: white;
    width: 65px;
    height: 65px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 35px;
    z-index: 9998; /* Justo debajo del de whatsapp si se superponen */
    text-decoration: none;
    transform: scale(1); /* Force GPU rendering */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.lang-btn:hover {
    color: white;
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.5);
}

@media (max-width: 768px) {
    .lang-btn {
        width: 60px;
        height: 60px;
        font-size: 30px;
        bottom: 90px; /* whatsapp-btn (60px) + separacion (10px) + whatsapp-bottom (20px) */
        right: 20px;
    }
}