/* ============================================
   RESPONSIVE.CSS
   Ajustes finos de responsividade
   ============================================ */

/* ============================================
   TABLETS E TELAS MÉDIAS (1024px - 769px)
   ============================================ */
@media (max-width: 1024px) {
    /* Container */
    .container {
        padding: 0 24px;
    }

    /* Header */
    header .container {
        gap: 16px;
    }

    header nav {
        gap: 20px;
    }

    /* Hero */
    .hero h1 {
        font-size: clamp(2.2rem, 6vw, 3.5rem);
    }

    .hero p {
        font-size: 1rem;
        max-width: 600px;
    }

    /* Products */
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 24px;
    }

    /* Benefits */
    .benefits .container {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }

    /* Steps */
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    /* Pix Section */
    .pix-card {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
        padding: 40px;
    }

    .pix-right {
        order: -1;
    }

    .pix-placeholder {
        max-width: 180px;
        margin: 0 auto;
    }
}

/* ============================================
   TABLETS PEQUENOS E MOBILE LARGE (768px - 481px)
   ============================================ */
@media (max-width: 768px) {
    /* Ajustes gerais */
    :root {
        --section-spacing: 50px;
        --card-radius: 16px;
    }

    body {
        font-size: 15px;
    }

    .container {
        padding: 0 16px;
    }

    /* ========== HEADER MOBILE ========== */
    header {
        padding: 12px 0;
    }

    header .container {
        gap: 12px;
    }

    .logo {
        font-size: 1.1rem;
    }

    /* Menu Mobile */
    .mobile-menu-btn {
        display: flex;
        flex-direction: column;
        gap: 5px;
        padding: 5px;
        background: none;
        border: none;
        cursor: pointer;
        z-index: 1001;
    }

    .mobile-menu-btn span {
        display: block;
        width: 24px;
        height: 2.5px;
        background: var(--gray-700);
        border-radius: 2px;
        transition: var(--transition-fast);
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
        background: var(--primary);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
        background: var(--primary);
    }

    header nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        padding: 40px;
        box-shadow: var(--shadow-xl);
        transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1000;
    }

    header nav.open {
        right: 0;
    }

    header nav a {
        font-size: 1.1rem;
        font-weight: 500;
        color: var(--gray-700);
        padding: 8px 0;
    }

    header nav a::after {
        display: none;
    }

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

    .btn-header {
        display: none;
    }

    /* Overlay do menu mobile */
    .menu-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.4);
        z-index: 999;
    }

    .menu-overlay.active {
        display: block;
    }

    /* ========== HERO MOBILE ========== */
    .hero {
        min-height: 85vh;
        padding-top: 70px;
    }

    .hero-content {
        padding: 20px 16px;
    }

    .hero-tag {
        font-size: 0.7rem;
        padding: 6px 16px;
        margin-bottom: 16px;
    }

    .hero h1 {
        font-size: clamp(1.8rem, 7vw, 2.8rem);
        letter-spacing: -1px;
    }

    .hero p {
        font-size: 0.95rem;
        max-width: 100%;
        margin-bottom: 24px;
    }

    .hero p br {
        display: none;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        width: 100%;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
        font-size: 0.95rem;
    }

    /* ========== TRUST BADGES MOBILE ========== */
    .trust-badges {
        padding: 40px 0;
    }

    .trust-header h2 {
        font-size: 1.3rem;
    }

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

    .trust-item {
        padding: 10px 14px;
        font-size: 0.85rem;
        gap: 8px;
    }

    .trust-icon {
        font-size: 1.1rem;
    }

    /* ========== NÚMEROS MOBILE ========== */
    .numbers {
        padding: 40px 0;
    }

    .numbers .container {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .number-card {
        padding: 16px 12px;
    }

    .number-card h2 {
        font-size: clamp(1.5rem, 5vw, 2rem);
    }

    .number-card p {
        font-size: 0.8rem;
    }

    /* ========== SOBRE MOBILE ========== */
    .about {
        padding: 50px 0;
    }

    .about h2 {
        font-size: 1.5rem;
    }

    .about p {
        font-size: 0.95rem;
        padding: 0 16px;
    }

    /* ========== BENEFÍCIOS MOBILE ========== */
    .benefits {
        padding: 50px 0;
    }

    .benefits .container {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .benefit {
        padding: 16px;
    }

    .benefit .icon {
        font-size: 2rem;
    }

    .benefit h3 {
        font-size: 1rem;
    }

    .benefit p {
        font-size: 0.85rem;
    }

    /* ========== SEARCH MOBILE ========== */
    .search-section {
        padding: 40px 0 16px;
    }

    .search-section h2 {
        font-size: 1.2rem;
        padding: 0 16px;
    }

    #search {
        padding: 14px 20px;
        font-size: 0.95rem;
        max-width: 100%;
    }

    /* ========== CATEGORIAS MOBILE ========== */
    .categories {
        padding: 16px 0 32px;
    }

    .categories .container {
        gap: 8px;
        padding: 0 16px;
    }

    .category {
        padding: 8px 16px;
        font-size: 0.75rem;
        flex: 0 0 auto;
    }

    /* ========== PRODUTOS MOBILE ========== */
    .featured {
        padding: 40px 0 50px;
    }

    .featured h2 {
        font-size: 1.5rem;
        margin-bottom: 24px;
    }

    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 4px;
    }

    .product-card {
        border-radius: 16px;
    }

    .product-card .product-image {
        padding-top: 70%;
    }

    .product-card .product-info {
        padding: 16px 18px 20px;
    }

    .product-info .product-brand {
        font-size: 0.65rem;
    }

    .product-info h3 {
        font-size: 1rem;
    }

    .product-info .product-description {
        font-size: 0.85rem;
        -webkit-line-clamp: 2;
    }

    .product-price-sale {
        font-size: 1.2rem;
    }

    .product-price-new {
        font-size: 0.75rem;
    }

    .product-price-pix {
        font-size: 0.8rem;
    }

    .product-savings {
        font-size: 0.65rem;
        padding: 2px 10px;
    }

    .product-card .btn-whatsapp {
        padding: 10px;
        font-size: 0.85rem;
    }

    .product-badge {
        top: 12px;
        left: 12px;
        padding: 3px 12px;
        font-size: 0.6rem;
    }

    /* ========== STEPS MOBILE ========== */
    .steps {
        padding: 50px 0;
    }

    .steps h2 {
        font-size: 1.5rem;
        margin-bottom: 24px;
    }

    .steps-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }

    .step {
        padding: 16px;
    }

    .step span {
        width: 40px;
        height: 40px;
        font-size: 1rem;
        margin-bottom: 12px;
    }

    .step h3 {
        font-size: 0.95rem;
    }

    .step p {
        font-size: 0.85rem;
    }

    /* ========== FAQ MOBILE ========== */
    .faq {
        padding: 50px 0;
    }

    .faq h2 {
        font-size: 1.5rem;
        margin-bottom: 24px;
    }

    .faq-item {
        padding: 16px 0;
    }

    .faq-item h3 {
        font-size: 0.95rem;
    }

    .faq-item p {
        font-size: 0.85rem;
    }

    /* ========== PIX MOBILE ========== */
    .pix-section {
        padding: 50px 0;
    }

    .pix-card {
        grid-template-columns: 1fr;
        gap: 24px;
        text-align: center;
        padding: 24px 20px;
        border-radius: 16px;
    }

    .pix-left h2 {
        font-size: 1.3rem;
    }

    .pix-left p {
        font-size: 0.9rem;
    }

    .pix-right {
        order: -1;
    }

    .pix-placeholder {
        max-width: 140px;
    }

    .pix-right small {
        font-size: 0.7rem;
    }

    /* ========== ALERT MOBILE ========== */
    .alert-section {
        padding: 40px 0;
    }

    .alert-section h2 {
        font-size: 1.3rem;
    }

    .alert-section p {
        font-size: 0.9rem;
        padding: 0 16px;
    }

    .alert-section .btn-primary {
        padding: 12px 28px;
        font-size: 0.9rem;
    }

    /* ========== CTA MOBILE ========== */
    .cta {
        padding: 50px 0;
    }

    .cta h2 {
        font-size: 1.5rem;
    }

    .cta p {
        font-size: 0.95rem;
        padding: 0 16px;
    }

    .cta .btn-primary {
        padding: 14px 28px;
        font-size: 0.95rem;
    }

    /* ========== FOOTER MOBILE ========== */
    .footer {
        padding: 40px 0 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        text-align: center;
        margin-bottom: 24px;
    }

    .footer-column h3 {
        font-size: 1.1rem;
    }

    .footer-column h4 {
        font-size: 0.9rem;
    }

    .footer-column p {
        font-size: 0.85rem;
    }

    .footer-column a {
        font-size: 0.85rem;
        padding: 3px 0;
    }

    .footer hr {
        margin: 20px 0;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 8px;
        font-size: 0.75rem;
    }

    /* ========== FLOATING BUTTONS MOBILE ========== */
    .floating-whatsapp {
        width: 54px;
        height: 54px;
        font-size: 1.6rem;
        bottom: 20px;
        right: 20px;
    }

    .back-to-top {
        bottom: 84px;
        right: 20px;
        width: 42px;
        height: 42px;
        font-size: 1rem;
    }

    /* ========== MODAL MOBILE ========== */
    .modal-content {
        padding: 24px 20px;
        margin: 10px;
        max-height: 85vh;
        border-radius: 16px;
    }

    .close {
        top: 12px;
        right: 16px;
        font-size: 1.6rem;
    }

    #modalBody {
        font-size: 0.9rem;
    }

    /* ========== LOADING MOBILE ========== */
    .loading-screen .loader {
        width: 40px;
        height: 40px;
        border-width: 3px;
    }

    .loading-screen h2 {
        font-size: 1rem;
    }
}

/* ============================================
   MOBILE PEQUENO (480px - 320px)
   ============================================ */
@media (max-width: 480px) {
    :root {
        --container-padding: 12px;
    }

    body {
        font-size: 14px;
    }

    .container {
        padding: 0 12px;
    }

    /* Header */
    .logo {
        font-size: 0.95rem;
    }

    header nav {
        width: 260px;
        padding: 32px 24px;
        gap: 20px;
    }

    header nav a {
        font-size: 1rem;
    }

    /* Hero */
    .hero {
        min-height: 80vh;
        padding-top: 65px;
    }

    .hero h1 {
        font-size: 1.6rem;
        letter-spacing: -0.5px;
    }

    .hero p {
        font-size: 0.85rem;
        line-height: 1.6;
    }

    .hero-tag {
        font-size: 0.6rem;
        padding: 4px 12px;
    }

    .hero-buttons .btn-primary,
    .hero-buttons .btn-secondary {
        font-size: 0.85rem;
        padding: 12px 20px;
    }

    /* Trust Badges */
    .trust-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .trust-item {
        font-size: 0.75rem;
        padding: 8px 12px;
        gap: 6px;
    }

    .trust-icon {
        font-size: 1rem;
    }

    .trust-header h2 {
        font-size: 1.1rem;
    }

    .trust-header .stars {
        font-size: 1.2rem;
    }

    /* Numbers */
    .numbers .container {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .number-card h2 {
        font-size: 1.3rem;
    }

    .number-card p {
        font-size: 0.7rem;
    }

    /* Products */
    .products-grid {
        gap: 16px;
    }

    .product-card .product-info {
        padding: 14px;
    }

    .product-info h3 {
        font-size: 0.9rem;
    }

    .product-price-sale {
        font-size: 1.1rem;
    }

    .product-price-pix {
        font-size: 0.75rem;
    }

    /* Steps */
    .steps-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .step {
        padding: 14px;
    }

    /* Categories */
    .category {
        padding: 6px 12px;
        font-size: 0.65rem;
    }

    /* Pix */
    .pix-card {
        padding: 20px 16px;
    }

    .pix-placeholder {
        max-width: 120px;
    }

    /* Footer */
    .footer-grid {
        gap: 24px;
    }

    /* Floating */
    .floating-whatsapp {
        width: 48px;
        height: 48px;
        font-size: 1.4rem;
        bottom: 16px;
        right: 16px;
    }

    .back-to-top {
        bottom: 74px;
        right: 16px;
        width: 38px;
        height: 38px;
        font-size: 0.9rem;
    }

    /* Modal */
    .modal-content {
        padding: 20px 16px;
        margin: 8px;
    }
}

/* ============================================
   TELAS MUITO PEQUENAS (menos de 320px)
   ============================================ */
@media (max-width: 320px) {
    .hero h1 {
        font-size: 1.4rem;
    }

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

    .numbers .container {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .number-card {
        padding: 12px 8px;
    }

    .number-card h2 {
        font-size: 1.1rem;
    }

    .number-card p {
        font-size: 0.65rem;
    }

    .product-card .product-info {
        padding: 12px;
    }

    .product-info h3 {
        font-size: 0.85rem;
    }

    .product-price-sale {
        font-size: 1rem;
    }

    .categories .container {
        gap: 6px;
    }

    .category {
        padding: 4px 10px;
        font-size: 0.6rem;
    }
}

/* ============================================
   AJUSTES PARA TELAS MÉDIAS E GRANDES
   ============================================ */
@media (min-width: 769px) {
    .mobile-menu-btn {
        display: none !important;
    }
}

@media (min-width: 1280px) {
    .container {
        padding: 0 32px;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 36px;
    }

    .hero h1 {
        font-size: 4.5rem;
    }
}

@media (min-width: 1600px) {
    .container {
        max-width: 1440px;
        padding: 0 40px;
    }

    .hero h1 {
        font-size: 5.5rem;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
        gap: 40px;
    }

    .trust-grid {
        max-width: 1100px;
    }
}