/*  MOBILE (≤ 767px) */
@media (max-width: 767px) {
    .container {
        padding: 0 1.5rem;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1010;
    }

    .nav-menu, .desktop-cart, .nav-whatsapp {
        display: none !important;
    }

    .mobile-cart {
        display: block;
    }

    /* Hero */
    .hero {
        padding: 140px 0 80px;
        margin-top: 0;
        min-height: auto;
        background-attachment: scroll !important;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .headline {
        font-size: 2.3rem;
        line-height: 1.2;
    }

    .subtext {
        font-size: 1rem;
        max-width: 600px;
        margin: 0 auto 2rem;
    }

    /* CTA buttons */
    .cta-buttons {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 320px;
    }

    .hero-image {
        order: -1;
        max-width: 400px;
        margin: 0 auto;
    }

    .image-placeholder {
        width: 300px;
        height: 400px;
        margin: 0 auto;
    }

    section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2.1rem;
        margin-bottom: 2.5rem;
    }

    /* Grids */
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .contact-container,
    .faq-container,
    .mission-values {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .form-buttons {
        flex-direction: column;
        gap: 1rem;
    }

    .form-buttons .btn {
        width: 100%;
    }

    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
    }

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

    .floating-whatsapp {
        width: 56px;
        height: 56px;
        font-size: 1.5rem;
        bottom: 25px;
        right: 25px;
    }

    .cart-modal {
        width: 100%;
    }

    .mobile-menu {
        width: 100%;
    }
}

/* TABLET (768px – 991px) */
@media (min-width: 768px) and (max-width: 991px) {
    .container {
        max-width: 960px;
        padding: 0 2rem;
    }

    .mobile-cart {
        display: none;
    }

    .headline {
        font-size: 3rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .hero-image {
        order: -1;
        max-width: 600px;
        margin: 0 auto;
    }

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

    .contact-container,
    .faq-container,
    .mission-values {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

    .cart-modal {
        width: 400px;
    }
}

/* DESKTOP (≥ 992px) */
@media (min-width: 992px) {
    .container {
        max-width: 1140px;
    }

    .mobile-menu-btn, .mobile-cart, .mobile-menu, .mobile-menu-overlay {
        display: none !important;
    }

    .nav-menu, .desktop-cart {
        display: flex !important;
    }

    .headline {
        font-size: 3.5rem;
    }

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

/* LARGE DESKTOP (≥ 1200px) */
@media (min-width: 1200px) {
    .container {
        max-width: 1320px;
    }

    .hero-container {
        grid-template-columns: 1fr 1fr;
        gap: 6rem;
        text-align: left;
    }

    .headline {
        font-size: 4rem;
    }

    .cta-buttons {
        justify-content: flex-start;
    }

    .hero-image {
        order: 0;
    }

    .product-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2.5rem;
    }

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

/* VERY SMALL MOBILE (≤ 480px) */
@media (max-width: 480px) {
    .headline {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

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

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .mobile-menu {
        width: 100%;
    }

    .cart-modal {
        width: 100%;
    }
    
    .measurement-grid {
        grid-template-columns: 1fr;
    }
    
    .form-buttons .btn {
        min-width: 100%;
    }
}

/* RESPONSIVE NAV */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-menu {
        display: none;
    }

    .mobile-cart {
        display: block;
    }

    .desktop-cart {
        display: none;
    }
}