:root {
            --primary: #1a365d;     /* Azul Marino Principal */
            --secondary: #0d9488;   /* Verde Azulado / Teal */
            --accent: #f59e0b;      /* Naranja Mostaza */
            --light: #f8fafc;       /* Fondo muy claro */
            --dark: #0f172a;        /* Texto oscuro */
            --gray: #64748b;        /* Texto secundario */
            --border-radius: 16px;  /* Bordes redondeados principales */
            --transition: all 0.3s ease-in-out;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.7;
        }

        /* -----------------------------------------------------------
           Header Profesional / Barra de Navegación
        ----------------------------------------------------------- */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.8rem 5%;
            z-index: 1000;
            height: 80px;
        }

        .logo-container {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .logo-container img {
            width: 50px;
            height: 50px;
            object-fit: cover;
            border-radius: 50%;
        }

        .logo-container span {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        .back-btn {
            background: var(--primary);
            color: white;
            padding: 0.7rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
            border: 2px solid transparent;
        }

        .back-btn:hover {
            background: var(--secondary);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(13, 148, 136, 0.3);
        }

        /* -----------------------------------------------------------
           Hero Section / Banner Principal (Dos Columnas: Texto Izq, Imagen Der)
        ----------------------------------------------------------- */
        .service-hero {
            height: 50vh;
            background: linear-gradient(rgba(15, 23, 42, 0.7),
             rgba(15, 23, 42, 0.7)), 
            url('IMAGENINDEX/empresafondo.jpg') center/cover no-repeat;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            color: white;
            padding: 0 1rem;
            margin-top: 80px;
        }

        .hero-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            align-items: center;
            gap: 40px;
        }

        .hero-text {
            text-align: left;
        }

        .service-hero .unit-tag {
            color: var(--accent);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-size: 0.9rem;
            background: rgba(245, 158, 11, 0.15);
            padding: 6px 16px;
            border-radius: 50px;
            display: inline-block;
            margin-bottom: 20px;
        }

        .service-hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: #ffffff;
            line-height: 1.15;
        }

        .service-hero p {
            font-size: 1.35rem;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 400;
            line-height: 1.5;
        }

        .hero-image-wrapper {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .banner-img {
            width: 100%;
            max-width: 520px;
            height: auto;
            object-fit: contain; /* Mantiene toda la imagen completa sin recortar */
            border-radius: var(--border-radius);
            box-shadow: 0 20px 40px rgba(0,0,0,0.35);
            background: rgba(255, 255, 255, 0.05);
            padding: 10px;
            border: 2px solid rgba(255, 255, 255, 0.15);
        }

        /* -----------------------------------------------------------
           Secciones y Cuadrícula de Cards Modernas
        ----------------------------------------------------------- */
        .main-section {
            padding: 4rem 8%;
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 3.5rem;
            position: relative;
            font-weight: 700;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 70px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-bottom: 4rem;
        }

        .service-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(0,0,0,0.03);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .card-img-wrapper {
            width: 100%;
            height: 210px;
            overflow: hidden;
        }

        .service-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .service-card:hover img {
            transform: scale(1.05);
        }

        .card-body {
            padding: 25px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
            justify-content: space-between;
        }

        .card-body h3 {
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .card-body p {
            color: var(--gray);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .availability-tag {
            font-size: 0.85rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            padding-top: 15px;
            border-top: 1px solid rgba(0,0,0,0.05);
            color: var(--secondary);
        }

        /* -----------------------------------------------------------
           Sección de Promociones
        ----------------------------------------------------------- */
        .promo-box {
            background: #fffbeb;
            border-radius: var(--border-radius);
            padding: 3rem;
            text-align: center;
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.1);
            border: 2px dashed var(--accent);
            margin-top: 2rem;
        }

        .promo-box h3 {
            color: #b45309;
            font-size: 1.8rem;
            margin-bottom: 1rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
        }

        .promo-box p {
            color: #78350f;
            font-size: 1.1rem;
            max-width: 750px;
            margin: 0 auto;
        }

        /* -----------------------------------------------------------
           Footer
        ----------------------------------------------------------- */
        footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            text-align: center;
            padding: 2.5rem 5%;
            margin-top: 4rem;
        }

        footer p {
            font-size: 0.95rem;
        }

        footer .slogan {
            font-size: 0.85rem;
            color: rgba(248, 250, 252, 0.5);
            margin-top: 6px;
            font-style: italic;
        }

        /* -----------------------------------------------------------
           Responsive Queries para Celulares y Tablets
        ----------------------------------------------------------- */
        @media(max-width: 992px) {
            .hero-container {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 30px;
            }
            .hero-text {
                text-align: center;
            }
            .service-hero h1 {
                font-size: 2.8rem;
            }
            .hero-image-wrapper {
                justify-content: center;
            }
        }

        @media(max-width: 768px) {
            header { padding: 0.8rem 4%; height: 70px; }
            .logo-container img { width: 40px; height: 40px; }
            .logo-container span { font-size: 0.85rem; }
            .back-btn { padding: 0.5rem 1rem; font-size: 0.8rem; }
            
            .service-hero { margin-top: 70px; padding: 3rem 4%; }
            .service-hero h1 { font-size: 2.2rem; }
            .service-hero p { font-size: 1.1rem; }

            .main-section { padding: 3rem 4%; }
            .section-title { font-size: 1.8rem; margin-bottom: 2.5rem; }
            
            .promo-box { padding: 2rem 1.5rem; }
            .promo-box h3 { font-size: 1.4rem; flex-direction: column; gap: 5px; }
        }