:root {
            --bg-color: #0f0f0f;
            --card-bg: #1a1a1a;
            --text-main: #f0f0f0;
            --text-muted: #a0a0a0;
            --accent: #e63946; /* Rojo vibrante para deporte */
            --accent-hover: #ff4d5a;
        }

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

        body {
            font-family: 'Open Sans', sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            overflow-x: hidden;
        }

        h1, h2, h3, h4 {
            font-family: 'Montserrat', sans-serif;
            text-transform: uppercase;
        }

        a { text-decoration: none; color: inherit; transition: 0.3s; }
        ul { list-style: none; }

        /* --- NAVEGACIÓN --- */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 20px 50px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(15, 15, 15, 0.8);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 900;
            letter-spacing: 2px;
        }

        .logo span { color: var(--accent); }

        .nav-links {
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 1px;
        }

        .nav-links a:hover { color: var(--accent); }

        .burger { display: none; cursor: pointer; font-size: 1.5rem; }

        /* --- HERO SECTION --- */
        #hero {
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            position: relative;
            /* Placeholder de imagen de fondo - CAMBIAR URL */
            background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.7)), url('../img/motogp/moto2.jpg');
            background-size: contain;
            background-position: center;
            background-attachment: fixed;
        }

        .hero-content h1 {
            font-size: 4rem;
            margin-bottom: 20px;
            line-height: 1.1;
        }

        .hero-content p {
            font-size: 1.2rem;
            color: #ddd;
            margin-bottom: 30px;
            letter-spacing: 2px;
        }

        .btn {
            padding: 15px 40px;
            background: var(--accent);
            color: white;
            font-weight: 700;
            border-radius: 50px;
            border: 2px solid var(--accent);
        }

        .btn:hover {
            background: transparent;
            color: var(--accent);
        }

        /* --- SECCIONES GENERALES --- */
        section { padding: 80px 10%; }
        
        .section-title {
            font-size: 2.5rem;
            margin-bottom: 10px;
            position: relative;
            display: inline-block;
        }
        
        .section-subtitle {
            color: var(--text-muted);
            margin-bottom: 50px;
            display: block;
            font-size: 1rem;
        }

        /* --- GALERÍA (SWIPER) --- */
        .gallery-category { margin-bottom: 60px; }
        
        .gallery-header {
            display: flex;
            align-items: flex-end;
            gap: 20px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #333;
        }
        
        .gallery-header h3 { font-size: 1.5rem; color: var(--accent); }
        .gallery-header p { font-size: 0.9rem; color: var(--text-muted); padding-bottom: 3px;}

        .swiper {
            width: 100%;
            height: 350px; /* Altura de las fotos */
        }

        .swiper-slide {
            background: #222;
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }

        .swiper-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: 0.5s;
        }

        .swiper-slide:hover img { transform: scale(1.1); }

        /* --- SOBRE MI --- */
        .about-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-img {
            width: 100%;
            height: 500px;
            object-fit: cover;
            border-radius: 15px;
            box-shadow: 20px 20px 0px var(--card-bg);
        }

        .stats {
            display: flex;
            gap: 30px;
            margin-top: 30px;
        }
        .stat-item h4 { font-size: 2rem; color: var(--accent); }
        .stat-item span { font-size: 0.8rem; text-transform: uppercase; }

        /* --- SERVICIOS --- */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--card-bg);
            padding: 40px;
            border-radius: 10px;
            border-bottom: 3px solid transparent;
            transition: 0.3s;
        }

        .service-card:hover {
            border-bottom: 3px solid var(--accent);
            transform: translateY(-10px);
        }

        .service-card i {
            font-size: 2.5rem;
            color: var(--accent);
            margin-bottom: 20px;
        }

        /* --- TESTIMONIOS --- */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .testimonial-card {
            background: var(--card-bg);
            padding: 30px;
            border-radius: 10px;
            position: relative;
        }
        
        .quote-icon {
            font-size: 4rem;
            color: rgba(255,255,255,0.05);
            position: absolute;
            top: 20px;
            right: 20px;
        }

        .client-info {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-top: 20px;
        }
        
        .client-img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #555;
            object-fit: cover;
        }

        /* --- SWIPER NAVIGATION --- */
        .swiper-button-next, .swiper-button-prev {
            color: var(--accent);
        }

        /* --- DETRÁS DE CÁMARAS (BTS) --- */
        .bts-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-auto-rows: 200px;
            gap: 10px;
        }

        .bts-item {
            position: relative;
            overflow: hidden;
            background: #333;
        }

        .bts-item:nth-child(1) { grid-column: span 2; grid-row: span 2; }
        .bts-item:nth-child(4) { grid-column: span 2; }

        .bts-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            filter: grayscale(100%);
            transition: 0.4s;
        }

        .bts-item:hover img { filter: grayscale(0%); }

        /* --- CONTACTO / CTA --- */
        #contact {
            text-align: center;
            background: linear-gradient(to top, #000, var(--bg-color));
        }

        form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        input, textarea {
            width: 100%;
            padding: 15px;
            background: var(--card-bg);
            border: 1px solid #333;
            color: white;
            font-family: 'Open Sans', sans-serif;
        }

        input:focus, textarea:focus { outline: 1px solid var(--accent); }

        /* --- FOOTER --- */
        footer {
            text-align: center;
            padding: 40px;
            border-top: 1px solid #222;
            color: var(--text-muted);
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 768px) {
            .hero-content h1 { font-size: 2.5rem; }
            .nav-links { display: none; } 
            .burger { display: block; }
            .about-container { grid-template-columns: 1fr; }
            .bts-grid { grid-template-columns: 1fr 1fr; }
            section { padding: 60px 5%; }
            .about-img { height: 300px; margin-bottom: 20px; }
        }