/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet - 768px */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }
    
    /* Navegación móvil */
    .nav__toggle {
        display: flex;
        z-index: var(--z-modal);
    }
    
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--color-blanco);
        flex-direction: column;
        padding: var(--spacing-2xl);
        gap: var(--spacing-lg);
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-base);
        z-index: var(--z-modal);
    }
    
    .nav__menu.active {
        right: 0;
    }
    
    /* Overlay cuando el menú está abierto */
    .nav__menu.active::before {
        content: '';
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        right: 100%;
        z-index: -1;
    }
    
    /* Secciones */
    .about__grid,
    .contact__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }
    
    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
}

/* Mobile - 480px */
@media (max-width: 480px) {
    :root {
        --container-padding: 1rem;
        --font-size-base: 14px;
    }
    
    .section__title {
        font-size: var(--font-size-2xl);
    }
    
    .section__title-script {
        font-size: var(--font-size-3xl);
    }
    
    .hero {
        padding: var(--spacing-2xl) 0;
    }
    
    .hero__title {
        font-size: var(--font-size-3xl);
    }
    
    .hero__subtitle {
        font-size: var(--font-size-md);
    }
    
    .services__grid {
        grid-template-columns: 1fr;
    }
    
    .formats__grid {
        grid-template-columns: 1fr;
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .contact__form {
        padding: var(--spacing-lg);
    }
    
    .about__experience {
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        padding: var(--spacing-md);
    }
    
    .about__experience-number {
        font-size: var(--font-size-2xl);
    }
}

/* Large Desktop - 1400px */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* Alto contraste para accesibilidad */
@media (prefers-contrast: high) {
    :root {
        --color-oscuro: #000000;
        --color-claro: #FFFFFF;
    }
    
    .btn--primary {
        border: 2px solid var(--color-blanco);
    }
    
    .service-card {
        border: 2px solid var(--color-oscuro);
    }
}