/* ===== RESPONSIVE STYLES ===== */

/* Tablet */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-form {
        max-width: 450px;
        margin: 0 auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .models-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .why-content {
        grid-template-columns: 1fr;
    }

    .how-steps {
        grid-template-columns: repeat(2, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .about-text h2,
    .about-text h2::after {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }

    .about-image {
        order: -1;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .contact-info h2,
    .contact-info h2::after {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }

    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Mobile Large */
@media (max-width: 768px) {
    .header-contact {
        display: none;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        transition: right 0.3s ease;
        padding: 80px 30px 30px;
        z-index: 9999;
        overflow-y: auto;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        gap: 0;
        position: relative;
        z-index: 99999;
    }

    .nav-list li {
        width: 100%;
    }

    .nav-list a {
        font-size: 1.1rem;
        display: block;
        padding: 18px 10px;
        border-bottom: 1px solid #f0f0f0;
        position: relative;
        z-index: 99999;
        -webkit-tap-highlight-color: rgba(0,0,0,0.1);
        touch-action: manipulation;
        cursor: pointer;
    }

    .menu-toggle {
        display: block;
    }

    .hero {
        padding-top: 100px;
        min-height: auto;
        padding-bottom: 40px;
    }

    .hero-text h1 {
        font-size: 1.8rem;
    }

    .hero-text h1 strong {
        font-size: 2.2rem;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .models-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .how-steps {
        grid-template-columns: 1fr 1fr;
    }

    .advantages-grid {
        grid-template-columns: 1fr 1fr;
    }

    .why-features {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-title {
        font-size: 1.6rem;
    }

    .benefits-grid {
        grid-template-columns: 1fr 1fr;
    }

    .benefit-item {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }

    .values-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .social-links {
        justify-content: center;
    }

    .footer-contact ul li {
        justify-content: center;
    }
}

/* Mobile Small */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero-text h1 {
        font-size: 1.5rem;
    }

    .hero-text h1 strong {
        font-size: 1.8rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        padding: 12px 20px;
        font-size: 0.8rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .models-grid {
        grid-template-columns: 1fr;
    }

    .how-steps {
        grid-template-columns: 1fr;
    }

    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .hero-form {
        padding: 20px;
    }

    .contact-form-section {
        padding: 20px;
    }

    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.6rem;
    }
}

/* Navigation overlay */
.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}