/* --- VARIABLES DE COLOR Y ESTILO --- */
        :root {
            --color-primary: #1A2530; /* Azul marino muy oscuro */
            --color-accent: #C5A880; /* Dorado sutil / Beige oscuro */
            --color-bg: #F9F9F9; /* Gris muy claro para el fondo */
            --color-text: #333333;
            --color-white: #FFFFFF;
        }

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

        body {
            font-family: 'Lato', sans-serif;
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.6;
        }

        h1, h2, h3 {
            font-family: 'Playfair Display', serif;
            color: var(--color-primary);
        }

        /* --- NAVEGACIÓN --- */
        header {
            background-color: var(--color-white);
            padding: 20px 50px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid #eaeaea;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .logo {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        nav ul {
            list-style: none;
            display: flex;
            gap: 30px;
        }

        nav a {
            text-decoration: none;
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: color 0.3s ease;
        }

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

        /* --- SECCIÓN HERO (PORTADA) --- */
        .hero {
            background-color: var(--color-primary);
            color: var(--color-white);
            padding: 120px 50px;
            text-align: center;
        }

        .hero h1 {
            color: var(--color-white);
            font-size: 3.5rem;
            margin-bottom: 20px;
            letter-spacing: 2px;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 600px;
            margin: 0 auto 40px auto;
            color: #d1d5db;
        }

        .btn {
            background-color: var(--color-accent);
            color: var(--color-white);
            padding: 15px 30px;
            text-decoration: none;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: background-color 0.3s ease;
        }

        .btn:hover {
            background-color: #b09570;
        }

        /* --- ÁREAS DE PRÁCTICA --- */
        .services {
            padding: 80px 50px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 60px;
            position: relative;
        }

        .section-title::after {
            content: '';
            width: 60px;
            height: 3px;
            background-color: var(--color-accent);
            display: block;
            margin: 20px auto 0;
        }

        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .card {
            background-color: var(--color-white);
            padding: 40px;
            border-top: 4px solid var(--color-primary);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }

        .card:hover {
            transform: translateY(-5px);
        }

        .card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        /* --- CONTACTO --- */
        .contact {
            background-color: var(--color-primary);
            color: var(--color-white);
            padding: 80px 50px;
            text-align: center;
        }

        .contact h2 {
            color: var(--color-white);
            margin-bottom: 30px;
        }

        .contact p {
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        /* --- FOOTER --- */
        footer {
            background-color: #111820;
            color: #888;
            text-align: center;
            padding: 20px;
            font-size: 0.9rem;
        }

        /* --- RESPONSIVO --- */
        @media (max-width: 768px) {
            header {
                flex-direction: column;
                gap: 20px;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
        }