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

:root {
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --secondary: #10b981;
    --dark: #0f172a;
    --light: #f1f5f9;
    --white: #ffffff;
    --danger: #f43f5e;
    --warning: #f59e0b;
    --accent: #06b6d4;
    --hot: #ef4444;
    --gold: #fbbf24;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--light);
    color: var(--dark);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo i {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.btn-nav-login {
    padding: 8px 20px;
    border: 2px solid var(--primary);
    color: var(--primary) !important;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-nav-login:hover {
    background: var(--primary);
    color: white !important;
}

.btn-nav-register {
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white !important;
    border-radius: 25px;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
    transition: all 0.3s;
}

.btn-nav-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(139, 92, 246, 0.5);
}

.nav-link {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary);
}

/* Menu Hamburguer */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    color: var(--white);
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

.hero .highlight {
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    opacity: 0.95;
    margin-bottom: 30px;
}

/* Urgency Banner & Countdown */
.urgency-banner {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 50%, #b91c1c 100%);
    border-radius: 20px;
    padding: 25px 40px;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 40px rgba(239, 68, 68, 0.4);
    border: 3px solid rgba(255,255,255,0.2);
    animation: urgent-pulse 2s infinite;
}

@keyframes urgent-pulse {
    0%, 100% { box-shadow: 0 10px 40px rgba(239, 68, 68, 0.4); }
    50% { box-shadow: 0 15px 50px rgba(239, 68, 68, 0.6); }
}

.urgency-text {
    font-size: 1.4rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.urgency-text i {
    font-size: 1.6rem;
    animation: fire-flicker 0.5s infinite alternate;
}

@keyframes fire-flicker {
    from { transform: scale(1) rotate(-5deg); }
    to { transform: scale(1.2) rotate(5deg); }
}

.countdown {
    display: flex;
    align-items: center;
    gap: 15px;
}

.countdown-item {
    background: rgba(0,0,0,0.3);
    border-radius: 12px;
    padding: 15px 20px;
    min-width: 80px;
    text-align: center;
    border: 2px solid rgba(255,255,255,0.2);
}

.countdown-item .number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1;
    font-family: 'Courier New', monospace;
}

.countdown-item .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    opacity: 0.8;
    margin-top: 5px;
    display: block;
}

.countdown-sep {
    font-size: 2.5rem;
    font-weight: 800;
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.urgency-subtext {
    font-size: 0.95rem;
    opacity: 0.9;
    font-weight: 600;
}

/* Filtros */
.filters {
    background: var(--white);
    padding: 20px 0;
    border-bottom: 1px solid #e5e7eb;
}

.filter-container {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.filter-btn {
    padding: 8px 20px;
    border: 2px solid var(--primary);
    background: var(--white);
    color: var(--primary);
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
    font-size: 0.95rem;
    font-family: inherit;
    outline: none;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--white);
}

button.filter-btn {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

/* Grid de Produtos */
.products-section {
    padding: 40px 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 30px;
    color: var(--dark);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

.product-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-content {
    padding: 20px;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
}

.product-description {
    font-size: 0.9rem;
    color: #6b7280;
    margin-bottom: 15px;
    line-height: 1.5;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--secondary);
}

/* Botão de Compra - GRANDE E CHAMATIVO */
.btn-buy {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(135deg, var(--secondary) 0%, #059669 100%);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    width: 100%;
    text-align: center;
}

.btn-buy:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.6);
}

.btn-buy-large {
    padding: 20px 60px;
    font-size: 1.3rem;
}

/* Reviews/Comentários */
.reviews-section {
    background: var(--white);
    padding: 20px;
    border-radius: 12px;
    margin-top: 30px;
}

.reviews-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.rating-stars {
    color: var(--warning);
}

.review-card {
    padding: 15px;
    border-bottom: 1px solid #e5e7eb;
}

.review-card:last-child {
    border-bottom: none;
}

.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.review-author {
    font-weight: 600;
    color: var(--dark);
}

.review-date {
    font-size: 0.85rem;
    color: #9ca3af;
}

.review-text {
    color: #4b5563;
    line-height: 1.5;
}

/* Alertas/Avisos */
.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border-left: 4px solid #3b82f6;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--secondary);
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-left: 4px solid var(--warning);
}

/* Formulários */
.form-container {
    max-width: 400px;
    margin: 40px auto;
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.form-title {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
    color: var(--dark);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
}

.btn-submit {
    width: 100%;
    padding: 14px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s;
}

.btn-submit:hover {
    background: var(--primary-dark);
}

.form-link {
    text-align: center;
    margin-top: 20px;
    color: #6b7280;
}

.form-link a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

/* Dashboard Admin */
.admin-header {
    background: var(--dark);
    color: var(--white);
    padding: 20px 0;
}

.admin-nav {
    display: flex;
    gap: 20px;
}

.admin-nav a {
    color: var(--white);
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 5px;
    transition: background 0.3s;
}

.admin-nav a:hover {
    background: rgba(255,255,255,0.1);
}

.admin-container {
    padding: 30px 0;
}

.admin-table {
    width: 100%;
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.admin-table th,
.admin-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.admin-table th {
    background: var(--light);
    font-weight: 600;
}

.btn-edit, .btn-delete {
    padding: 6px 12px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.85rem;
    margin-right: 5px;
}

.btn-edit {
    background: #dbeafe;
    color: #1e40af;
}

.btn-delete {
    background: #fee2e2;
    color: #991b1b;
}

.btn-add {
    display: inline-block;
    padding: 12px 25px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 500;
}

/* Página do Produto */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 40px 0;
}

.product-detail-image {
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.product-detail-info h1 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.product-detail-info .author {
    color: #6b7280;
    margin-bottom: 15px;
}

.product-detail-info .price {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--secondary);
    margin-bottom: 20px;
}

.product-detail-info .description {
    color: #4b5563;
    line-height: 1.8;
    margin-bottom: 30px;
}

/* Produto em Destaque */
.featured-product {
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
    color: white;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.featured-product::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 158, 11, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.featured-product::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.featured-badge {
    display: inline-block;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: bold;
    font-size: 0.85rem;
    letter-spacing: 1px;
    margin-bottom: 25px;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
}

.featured-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.featured-title {
    font-size: 2.5rem;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #fff 0%, #c7d2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.featured-subtitle {
    font-size: 1.2rem;
    color: #94a3b8;
    margin-bottom: 30px;
}

.featured-highlights {
    margin-bottom: 30px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 1rem;
}

.highlight-item i {
    color: var(--secondary);
    font-size: 1.2rem;
}

.featured-quote {
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--primary);
    padding: 20px 25px;
    margin: 25px 0;
    border-radius: 0 10px 10px 0;
    font-style: italic;
    font-size: 1.1rem;
    line-height: 1.6;
    color: #e2e8f0;
}

.featured-quote i {
    color: var(--primary);
    margin-right: 10px;
}

.featured-price-box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin: 30px 0;
}

.price-old {
    text-decoration: line-through;
    color: #94a3b8;
    font-size: 1.2rem;
}

.price-current {
    font-size: 3.5rem;
    font-weight: bold;
    color: var(--secondary);
    line-height: 1;
    margin: 10px 0;
}

.price-tag {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    padding: 5px 15px;
    border-radius: 5px;
    font-size: 0.85rem;
    font-weight: bold;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.btn-buy-featured {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: 25px 60px;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 25%, #ef4444 50%, #ec4899 75%, #8b5cf6 100%);
    background-size: 300% 300%;
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 800;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    box-shadow: 0 10px 40px rgba(239, 68, 68, 0.5), 0 0 60px rgba(251, 191, 36, 0.3);
    transition: all 0.3s;
    border: 3px solid rgba(255,255,255,0.3);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.btn-buy-featured::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: 0.5s;
}

.btn-buy-featured:hover {
    transform: scale(1.08) translateY(-5px);
    box-shadow: 0 15px 50px rgba(239, 68, 68, 0.6), 0 0 80px rgba(251, 191, 36, 0.4);
    border-color: rgba(255,255,255,0.5);
}

.btn-buy-featured:hover::before {
    left: 100%;
}

.btn-buy-featured::after {
    content: '🔥';
    position: absolute;
    top: -10px;
    right: -10px;
    font-size: 2rem;
    animation: fire-bounce 0.6s infinite alternate;
}

@keyframes fire-bounce {
    from { transform: translateY(0) rotate(-10deg); }
    to { transform: translateY(-5px) rotate(10deg); }
}

.btn-buy-featured i {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.btn-subtitle {
    font-size: 0.8rem;
    font-weight: normal;
    text-transform: none;
    letter-spacing: 0;
    opacity: 0.9;
    margin-top: 5px;
}

.trust-badges {
    display: flex;
    gap: 25px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.trust-badges span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #94a3b8;
    font-size: 0.9rem;
}

.trust-badges i {
    color: var(--secondary);
}

.featured-image {
    position: relative;
    text-align: center;
}

.featured-image img {
    width: 100%;
    max-width: 400px;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
    transform: perspective(1000px) rotateY(-5deg);
    transition: transform 0.3s;
}

.featured-image img:hover {
    transform: perspective(1000px) rotateY(0deg) scale(1.02);
}

.floating-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: white;
    color: var(--dark);
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: bold;
    font-size: 1.1rem;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    gap: 8px;
}

.floating-badge i {
    color: #f59e0b;
}

/* Reviews em Destaque */
.reviews-section-featured {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.reviews-section-featured h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.reviews-section-featured h3 i {
    color: var(--primary);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.review-card-featured {
    background: rgba(255,255,255,0.05);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s;
}

.review-card-featured:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-3px);
}

.review-card-featured .review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.review-card-featured .review-author {
    font-weight: 600;
    color: white;
}

.review-card-featured .review-stars {
    color: #f59e0b;
}

.review-card-featured .review-stars .empty {
    color: #4b5563;
}

.review-card-featured .review-text {
    color: #94a3b8;
    font-size: 0.95rem;
    line-height: 1.5;
    font-style: italic;
}

/* Responsivo - Featured Product */
@media (max-width: 968px) {
    .featured-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .featured-title {
        font-size: 2rem;
    }
    
    .price-current {
        font-size: 2.5rem;
    }
    
    .featured-image img {
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .featured-product {
        padding: 40px 0;
    }
    
    .featured-title {
        font-size: 1.5rem;
    }
    
    .btn-buy-featured {
        padding: 15px 30px;
        font-size: 1.1rem;
    }
    
    .trust-badges {
        flex-direction: column;
        gap: 10px;
    }
}

/* Footer */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 40px 0 20px;
    margin-top: 60px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3 {
    margin-bottom: 15px;
    color: var(--primary);
}

.footer-section a {
    color: #9ca3af;
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--white);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #374151;
    color: #9ca3af;
}

/* =====================================================
   RESPONSIVIDADE MOBILE-FIRST - OTIMIZAÇÃO COMPLETA
   ===================================================== */

/* TABLET (768px e abaixo) */
@media (max-width: 768px) {
    /* Header & Navegação */
    .header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
    }
    
    .header-content {
        padding: 12px 0;
        position: relative;
    }
    
    .logo {
        font-size: 1.5rem;
        z-index: 1001;
    }
    
    .logo i {
        font-size: 1.6rem;
    }
    
    /* Menu Hamburguer Melhorado */
    .menu-toggle {
        display: flex;
        width: 44px;
        height: 44px;
        justify-content: center;
        align-items: center;
        gap: 6px;
        z-index: 1001;
        border-radius: 8px;
        transition: background 0.3s;
    }
    
    .menu-toggle:hover {
        background: rgba(139, 92, 246, 0.1);
    }
    
    .menu-toggle span {
        width: 24px;
        height: 3px;
        background: var(--dark);
        transition: all 0.3s ease;
        border-radius: 2px;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }
    
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }
    
    /* Menu Mobile Full Screen */
    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        padding: 80px 30px 30px;
        gap: 20px;
        transform: translateX(100%);
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 999;
    }
    
    .nav-menu.active {
        transform: translateX(0);
    }
    
    .nav-link {
        font-size: 1.2rem;
        padding: 15px 30px;
        width: 100%;
        text-align: center;
        border-radius: 12px;
        transition: all 0.3s;
    }
    
    .btn-nav-login, .btn-nav-register {
        width: 100%;
        max-width: 280px;
        padding: 16px 30px;
        font-size: 1.1rem;
        text-align: center;
        border-radius: 50px;
    }
    
    /* Hero Section Tablet */
    .hero {
        padding: 100px 0 50px;
        margin-top: 60px;
    }
    
    .hero h1 {
        font-size: 2rem;
        line-height: 1.3;
        padding: 0 15px;
    }
    
    .hero p {
        font-size: 1.1rem;
        padding: 0 20px;
    }
    
    /* Countdown Tablet */
    .urgency-banner {
        padding: 20px 30px;
        margin: 0 15px;
    }
    
    .countdown-item {
        min-width: 70px;
        padding: 12px 15px;
    }
    
    .countdown-item .number {
        font-size: 2rem;
    }
    
    /* Produtos Grid Tablet */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        padding: 0 10px;
    }
    
    /* Produto em Destaque Tablet */
    .featured-product {
        padding: 60px 0;
    }
    
    .featured-content {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 0 20px;
    }
    
    .featured-image {
        order: -1;
        text-align: center;
    }
    
    .featured-image img {
        max-width: 280px;
        transform: none;
    }
    
    .featured-title {
        font-size: 1.8rem;
        text-align: center;
    }
    
    .featured-subtitle {
        text-align: center;
        font-size: 1.1rem;
    }
    
    .featured-highlights {
        max-width: 400px;
        margin: 0 auto 30px;
    }
    
    .btn-buy-featured {
        width: 100%;
        max-width: 350px;
        margin: 0 auto;
        display: flex;
    }
    
    /* Detalhes do Produto Tablet */
    .product-detail {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 20px 0;
    }
    
    .product-detail-image {
        max-width: 350px;
        margin: 0 auto;
    }
    
    /* Formulários Tablet */
    .form-container {
        margin: 20px 15px;
        padding: 35px 25px;
        max-width: 100%;
    }
    
    /* Footer Tablet */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 25px;
    }
    
    .footer-section a {
        display: inline-block;
        margin: 5px 10px;
    }
}

/* MOBILE (480px e abaixo) - iPhone, Android */
@media (max-width: 480px) {
    /* Base */
    body {
        font-size: 16px;
        -webkit-text-size-adjust: 100%;
    }
    
    .container {
        padding: 0 12px;
    }
    
    /* Header Compacto */
    .header {
        box-shadow: 0 2px 20px rgba(0,0,0,0.15);
    }
    
    .header-content {
        padding: 8px 0;
    }
    
    .logo {
        font-size: 1.25rem;
        gap: 6px;
    }
    
    .logo i {
        font-size: 1.3rem;
    }
    
    /* Menu Hamburguer */
    .menu-toggle {
        width: 40px;
        height: 40px;
        gap: 5px;
    }
    
    .menu-toggle span {
        width: 22px;
        height: 2.5px;
    }
    
    /* Menu Mobile */
    .nav-menu {
        padding: 70px 20px 30px;
        gap: 12px;
    }
    
    .nav-link {
        font-size: 1.1rem;
        padding: 14px 25px;
    }
    
    .btn-nav-login, .btn-nav-register {
        padding: 14px 25px;
        font-size: 1rem;
        max-width: 260px;
    }
    
    /* Hero Mobile */
    .hero {
        padding: 80px 0 40px;
        margin-top: 52px;
    }
    
    .hero h1 {
        font-size: 1.5rem;
        padding: 0 10px;
        margin-bottom: 12px;
        line-height: 1.35;
    }
    
    .hero .highlight {
        display: inline;
    }
    
    .hero p {
        font-size: 1rem;
        padding: 0 15px;
        margin-bottom: 25px;
    }
    
    /* Countdown Mobile Otimizado */
    .urgency-banner {
        padding: 15px;
        margin: 0 8px;
        border-radius: 15px;
        border-width: 2px;
    }
    
    .urgency-text {
        font-size: 0.85rem;
        gap: 6px;
        flex-direction: column;
        text-align: center;
    }
    
    .urgency-text i {
        font-size: 1.2rem;
    }
    
    .countdown {
        gap: 6px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .countdown-item {
        min-width: 55px;
        padding: 8px 10px;
        border-radius: 8px;
        border-width: 1px;
    }
    
    .countdown-item .number {
        font-size: 1.6rem;
    }
    
    .countdown-item .label {
        font-size: 0.6rem;
        margin-top: 3px;
    }
    
    .countdown-sep {
        font-size: 1.3rem;
    }
    
    .urgency-subtext {
        font-size: 0.75rem;
        text-align: center;
        padding: 0 10px;
    }
    
    /* Filtros Mobile - Scroll Horizontal */
    .filters {
        padding: 15px 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .filter-container {
        flex-wrap: nowrap;
        justify-content: flex-start;
        padding: 0 12px;
        gap: 8px;
    }
    
    .filter-btn {
        padding: 10px 18px;
        font-size: 0.85rem;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    /* Produtos Grid Mobile - 1 coluna grande */
    .products-section {
        padding: 25px 0;
    }
    
    .section-title {
        font-size: 1.4rem;
        margin-bottom: 25px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 5px;
    }
    
    .product-card {
        margin: 0;
        border-radius: 16px;
    }
    
    .product-image {
        height: 220px;
    }
    
    .product-content {
        padding: 18px;
    }
    
    .product-title {
        font-size: 1.15rem;
        margin-bottom: 10px;
        line-height: 1.4;
    }
    
    .product-description {
        font-size: 0.9rem;
        margin-bottom: 18px;
        line-height: 1.6;
    }
    
    .product-price {
        font-size: 1.4rem;
    }
    
    /* Botão de Compra Mobile - Touch-friendly */
    .btn-buy {
        padding: 16px 20px;
        font-size: 1.05rem;
        border-radius: 50px;
        min-height: 52px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
    }
    
    .btn-buy i {
        font-size: 1.1rem;
    }
    
    .btn-buy-large {
        padding: 18px 30px;
        font-size: 1.15rem;
    }
    
    /* Produto em Destaque Mobile */
    .featured-product {
        padding: 40px 0;
    }
    
    .featured-badge {
        padding: 6px 15px;
        font-size: 0.75rem;
        margin-bottom: 20px;
    }
    
    .featured-content {
        gap: 30px;
        padding: 0 12px;
    }
    
    .featured-image img {
        max-width: 220px;
        border-radius: 12px;
    }
    
    .floating-badge {
        padding: 6px 12px;
        font-size: 0.8rem;
        top: 5px;
        right: 5px;
        border-radius: 20px;
    }
    
    .featured-title {
        font-size: 1.35rem;
        line-height: 1.3;
    }
    
    .featured-subtitle {
        font-size: 0.95rem;
        margin-bottom: 25px;
    }
    
    .featured-highlights {
        margin-bottom: 25px;
    }
    
    .highlight-item {
        font-size: 0.9rem;
        margin-bottom: 10px;
        gap: 10px;
    }
    
    .highlight-item i {
        font-size: 1rem;
    }
    
    .featured-quote {
        font-size: 0.9rem;
        padding: 15px;
        margin: 20px 0;
        border-left-width: 3px;
    }
    
    .featured-price-box {
        margin: 25px 0;
        align-items: center;
    }
    
    .price-old {
        font-size: 1rem;
    }
    
    .price-current {
        font-size: 2.5rem;
    }
    
    .price-tag {
        padding: 4px 12px;
        font-size: 0.75rem;
    }
    
    /* Botão de Compra Destaque Mobile */
    .btn-buy-featured {
        padding: 20px 30px;
        font-size: 1.1rem;
        border-radius: 50px;
        border-width: 2px;
        max-width: 100%;
    }
    
    .btn-buy-featured::after {
        font-size: 1.3rem;
        top: -6px;
        right: -3px;
    }
    
    .btn-subtitle {
        font-size: 0.75rem;
    }
    
    .trust-badges {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
        margin-top: 20px;
    }
    
    .trust-badges span {
        font-size: 0.8rem;
        gap: 5px;
    }
    
    /* Reviews Mobile */
    .reviews-section-featured {
        margin-top: 35px;
        padding-top: 30px;
    }
    
    .reviews-section-featured h3 {
        font-size: 1.2rem;
        justify-content: center;
    }
    
    .reviews-grid {
        gap: 12px;
    }
    
    .review-card-featured {
        padding: 15px;
        border-radius: 12px;
    }
    
    .review-card-featured .review-author {
        font-size: 0.9rem;
    }
    
    .review-card-featured .review-text {
        font-size: 0.85rem;
    }
    
    /* Reviews na Página do Produto */
    .reviews-section {
        padding: 15px;
        margin-top: 25px;
    }
    
    .reviews-title {
        font-size: 1.15rem;
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
    
    .review-card {
        padding: 15px 0;
    }
    
    .review-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .review-author {
        font-size: 0.9rem;
    }
    
    .review-date {
        font-size: 0.75rem;
    }
    
    .review-text {
        font-size: 0.9rem;
    }
    
    /* Formulário de Review Mobile */
    .reviews-section form {
        padding: 15px !important;
    }
    
    .reviews-section form h3 {
        font-size: 1.1rem;
    }
    
    /* Formulários Mobile Otimizados */
    .form-container {
        margin: 15px 10px;
        padding: 30px 20px;
        border-radius: 16px;
    }
    
    .form-title {
        font-size: 1.5rem;
        margin-bottom: 25px;
    }
    
    .form-group {
        margin-bottom: 18px;
    }
    
    .form-label {
        font-size: 0.95rem;
        margin-bottom: 6px;
    }
    
    .form-input {
        padding: 14px 16px;
        font-size: 16px;
        border-radius: 10px;
        border-width: 2px;
        min-height: 50px;
    }
    
    .form-input:focus {
        transform: scale(1.01);
    }
    
    .btn-submit {
        padding: 16px;
        font-size: 1.05rem;
        border-radius: 10px;
        min-height: 52px;
        margin-top: 5px;
    }
    
    .form-link {
        font-size: 0.9rem;
        margin-top: 18px;
    }
    
    /* Alertas Mobile */
    .alert {
        padding: 12px 15px;
        font-size: 0.9rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        border-left-width: 4px;
    }
    
    .alert i {
        font-size: 1.1rem;
    }
    
    /* Página do Produto Mobile */
    .product-detail-info h1 {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    
    .product-detail-info .price {
        font-size: 2rem;
    }
    
    .product-detail-info .description {
        font-size: 0.95rem;
    }
    
    /* Checkout Mobile */
    .container[style*="max-width: 600px"] {
        padding: 20px 15px !important;
    }
    
    .container[style*="max-width: 600px"] h1 {
        font-size: 1.5rem !important;
    }
    
    .container[style*="max-width: 600px"] > div {
        padding: 25px 20px !important;
        border-radius: 16px !important;
    }
    
    /* Dashboard Admin Mobile */
    .admin-header {
        padding: 15px 0;
    }
    
    .admin-header h1 {
        font-size: 1.3rem;
        flex-direction: column;
        gap: 10px;
    }
    
    .admin-nav {
        flex-direction: column;
        gap: 10px;
        width: 100%;
        margin-top: 15px;
    }
    
    .admin-nav a {
        text-align: center;
        padding: 12px;
        background: rgba(255,255,255,0.1);
    }
    
    .admin-header > div > div {
        flex-direction: column !important;
        align-items: stretch !important;
    }
    
    .admin-table {
        font-size: 0.85rem;
    }
    
    .admin-table th,
    .admin-table td {
        padding: 12px 8px;
    }
    
    .btn-edit, .btn-delete {
        padding: 8px 12px;
        font-size: 0.8rem;
        display: inline-block;
        margin: 2px;
    }
    
    /* Footer Mobile */
    .footer {
        padding: 30px 0 15px;
        margin-top: 40px;
    }
    
    .footer-content {
        gap: 25px;
    }
    
    .footer-section h3 {
        font-size: 1.1rem;
    }
    
    .footer-section p {
        font-size: 0.9rem;
    }
    
    .footer-section a {
        font-size: 0.9rem;
        padding: 5px 0;
    }
    
    .footer-bottom {
        font-size: 0.8rem;
        padding-top: 15px;
    }
    
    /* Animações reduzidas para performance mobile */
    .btn-buy-featured {
        animation: none;
    }
    
    .btn-buy-featured:hover {
        transform: scale(1.02);
    }
    
    .urgency-banner {
        animation: none;
    }
}

/* SMALL MOBILE (375px e abaixo) - iPhone SE, pequenos */
@media (max-width: 375px) {
    .hero h1 {
        font-size: 1.35rem;
    }
    
    .countdown-item {
        min-width: 48px;
        padding: 6px 8px;
    }
    
    .countdown-item .number {
        font-size: 1.4rem;
    }
    
    .countdown-item .label {
        font-size: 0.55rem;
    }
    
    .featured-title {
        font-size: 1.2rem;
    }
    
    .price-current {
        font-size: 2rem;
    }
    
    .btn-buy-featured {
        padding: 18px 25px;
        font-size: 1rem;
    }
    
    .filter-btn {
        padding: 8px 14px;
        font-size: 0.8rem;
    }
    
    .product-image {
        height: 200px;
    }
    
    .form-container {
        padding: 25px 18px;
    }
    
    .form-title {
        font-size: 1.35rem;
    }
}

/* LANDSCAPE MOBILE - Orientação horizontal */
@media (max-height: 500px) and (orientation: landscape) {
    .nav-menu {
        padding-top: 60px;
        overflow-y: auto;
    }
    
    .hero {
        padding: 60px 0 30px;
    }
    
    .hero h1 {
        font-size: 1.4rem;
    }
    
    .urgency-banner {
        flex-direction: row;
        flex-wrap: wrap;
        padding: 15px;
    }
    
    .featured-product {
        padding: 30px 0;
    }
    
    .featured-content {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    .featured-image {
        order: 0;
    }
    
    .featured-image img {
        max-width: 180px;
    }
}