/* ==========================================
   TUI TECNOLOGIA - STYLES
   Revenda Autorizada Kaspersky
   ========================================== */

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors */
    --primary-color: #006c67;
    --primary-dark: #004d49;
    --primary-light: #008c85;
    --secondary-color: #ff6b35;
    --secondary-dark: #e55a2b;
    --accent-color: #ffd23f;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-white: #ffffff;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --success-color: #25d366;
    --gradient-primary: linear-gradient(135deg, #006c67 0%, #008c85 100%);
    --gradient-hero: linear-gradient(135deg, rgba(0, 108, 103, 0.95) 0%, rgba(0, 140, 133, 0.9) 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-primary: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-heading: 'Segoe UI', system-ui, -apple-system, sans-serif;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================
   DARK MODE THEME
   ========================================== */
[data-theme="dark"] {
    --text-dark: #e8e8e8;
    --text-light: #b0b0b0;
    --text-white: #ffffff;
    --bg-light: #1a1a1a;
    --bg-white: #242424;
    --border-color: #404040;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
}

/* ==========================================
   SCROLL REVEAL ANIMATIONS
   ========================================== */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

.reveal-delay-1 {
    transition-delay: 0.1s;
}

.reveal-delay-2 {
    transition-delay: 0.2s;
}

.reveal-delay-3 {
    transition-delay: 0.3s;
}

.reveal-delay-4 {
    transition-delay: 0.4s;
}

/* ==========================================
   LAZY LOADING IMAGES
   ========================================== */
img[data-src] {
    opacity: 0;
    transition: opacity 0.5s ease;
}

img[data-src].loaded {
    opacity: 1;
}

.lazy-img-wrapper {
    position: relative;
    overflow: hidden;
    background: var(--bg-light);
}

.lazy-img-wrapper::before {
    content: '';
    display: block;
    padding-top: 56.25%; /* 16:9 aspect ratio */
}

.lazy-img-wrapper img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.lazy-placeholder {
    background: linear-gradient(90deg, var(--bg-light) 0%, var(--border-color) 50%, var(--bg-light) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* ==========================================
   SKELETON LOADING STATES
   ========================================== */
.skeleton {
    background: linear-gradient(90deg, var(--bg-light) 0%, var(--border-color) 50%, var(--bg-light) 100%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
    border-radius: 4px;
}

.skeleton-title {
    height: 2em;
    width: 60%;
    margin-bottom: 1em;
}

.skeleton-paragraph {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-paragraph:last-child {
    width: 80%;
}

.skeleton-card {
    background: var(--bg-white);
    border-radius: 10px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.skeleton-card .skeleton-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto var(--spacing-md);
}

.skeleton-card .skeleton-title {
    height: 1.5em;
    width: 70%;
    margin: 0 auto var(--spacing-sm);
}

.skeleton-card .skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-button {
    height: 44px;
    width: 120px;
    border-radius: 5px;
    margin-top: var(--spacing-md);
}

.skeleton-product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Hide skeleton when content is loaded */
.content-loaded .skeleton,
.content-loaded .skeleton-card {
    display: none;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    background: var(--bg-light);
    transition: background-color var(--transition-normal), color var(--transition-normal);
    line-height: 1.6;
    background-color: var(--bg-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* ==========================================
   HEADER & NAVIGATION
   ========================================== */

.header {
    background-color: var(--bg-white);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: var(--spacing-sm) 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.logo h1 span {
    color: var(--secondary-color);
}

.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    transition: all var(--transition-fast);
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary-color);
    cursor: pointer;
}

.cart-icon {
    position: relative;
    color: var(--text-dark);
    font-size: 1.3rem;
    cursor: pointer;
    transition: color var(--transition-fast);
    padding: 0.5rem;
}

.cart-icon:hover {
    color: var(--primary-color);
}

.cart-count {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: all var(--transition-fast);
    border-radius: 50%;
}

.theme-toggle:hover {
    background: rgba(0, 108, 103, 0.1);
    transform: scale(1.1);
}

[data-theme="dark"] .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.theme-toggle i {
    transition: transform var(--transition-normal);
}

.theme-toggle:active i {
    transform: rotate(360deg);
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    background: var(--gradient-hero);
    padding: var(--spacing-xl) 0;
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');
    opacity: 0.3;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInLeft 0.8s ease;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-image {
    text-align: center;
    animation: fadeInRight 0.8s ease;
}

.hero-image i {
    font-size: 15rem;
    color: rgba(255, 255, 255, 0.2);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==========================================
   BUTTONS
   ========================================== */

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-white);
    border: 2px solid var(--text-white);
}

.btn-secondary:hover {
    background-color: var(--text-white);
    color: var(--primary-color);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.btn-success {
    background-color: var(--success-color);
    color: var(--text-white);
}

.btn-success:hover {
    background-color: #1eaa52;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

/* ==========================================
   SECTIONS
   ========================================== */

.features,
.products-preview,
.trust-section,
.marketplace,
.about-content,
.mvv-section,
.why-choose,
.partner-section,
.commitment-section,
.contact-section,
.faq-section,
.benefits-section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.text-center {
    text-align: center;
}

/* ==========================================
   FEATURES GRID
   ========================================== */

.features {
    background-color: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.feature-card p {
    color: var(--text-light);
}

/* ==========================================
   PRODUCTS PREVIEW
   ========================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.product-card {
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 10px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.product-card.featured {
    border-color: var(--secondary-color);
    background: linear-gradient(135deg, #fff 0%, #fff5f0 100%);
}

.product-card .badge {
    position: absolute;
    top: -10px;
    right: 20px;
    background-color: var(--secondary-color);
    color: var(--text-white);
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.product-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.product-card.featured .product-icon {
    color: var(--secondary-color);
}

.product-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.product-card p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.view-all-products {
    margin-top: 3rem;
}

/* ==========================================
   TRUST SECTION
   ========================================== */

.trust-section {
    background: var(--gradient-primary);
    color: var(--text-white);
    text-align: center;
}

.trust-section h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.trust-section > .container > p {
    font-size: 1.1rem;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
    opacity: 0.95;
}

.trust-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.stat h3 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.stat p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta-section {
    background-color: var(--bg-light);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.cta-section p {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

/* ==========================================
   PAGE HEADER
   ========================================== */

.page-header {
    background: var(--gradient-primary);
    color: var(--text-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-xs);
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* ==========================================
   MARKETPLACE / PRODUCTS PAGE
   ========================================== */

.filters-section {
    background-color: var(--bg-light);
    padding: var(--spacing-md) 0;
}

.filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.5rem;
    border: 2px solid var(--primary-color);
    background-color: var(--bg-white);
    color: var(--primary-color);
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

.category-section {
    margin-bottom: var(--spacing-xl);
}

.category-title {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--primary-color);
}

.product-detail-card {
    background-color: var(--bg-white);
    border-radius: 10px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
    border: 2px solid var(--border-color);
    position: relative;
    transition: all var(--transition-normal);
}

.product-detail-card:hover {
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.product-badge {
    position: absolute;
    top: -15px;
    left: var(--spacing-md);
    background-color: var(--primary-color);
    color: var(--text-white);
    padding: 0.4rem 1.2rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.product-badge.popular {
    background-color: var(--secondary-color);
}

.product-badge.premium {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: var(--text-dark);
}

.product-badge.business {
    background-color: #2c3e50;
}

.product-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding-top: var(--spacing-sm);
}

.product-icon-large {
    font-size: 4rem;
    color: var(--primary-color);
}

.product-header h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 0.3rem;
}

.product-tagline {
    font-size: 1rem;
    color: var(--text-light);
}

.product-rating {
    margin-top: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.product-rating i {
    color: #ffd700;
    font-size: 0.9rem;
}

.product-rating span {
    margin-left: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

.product-features {
    margin-bottom: var(--spacing-md);
}

.product-features h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.product-features ul {
    list-style: none;
}

.product-features li {
    padding: 0.5rem 0;
    color: var(--text-dark);
}

.product-features li i {
    color: var(--primary-color);
    margin-right: var(--spacing-xs);
}

.pricing-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 2px solid var(--border-color);
}

.price-option {
    text-align: center;
    padding: var(--spacing-sm);
    background-color: var(--bg-light);
    border-radius: 8px;
    transition: all var(--transition-fast);
}

.price-option:hover {
    background-color: #e8f5f4;
    transform: scale(1.05);
}

.price-option .devices {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.price-container {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    margin-bottom: 1rem;
}

.price-old {
    font-size: 1rem;
    color: var(--text-light);
    text-decoration: line-through;
}

.price-option .price {
    display: block;
    font-size: 2rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.price-note {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-light);
    font-style: italic;
}

.promo-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    text-align: center;
    font-size: 0.95rem;
}

.promo-badge i {
    color: #ffd700;
    margin-right: 0.5rem;
}

.product-footer {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.product-footer p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.product-footer i {
    color: var(--primary-color);
    margin: 0 0.3rem;
}

/* ==========================================
   DEVICE CALCULATOR
   ========================================== */
.device-calculator-section {
    margin: var(--spacing-xl) 0;
}

.calculator-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 15px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-xl);
}

.calculator-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.calculator-header i {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.calculator-header h3 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.calculator-header p {
    opacity: 0.9;
    font-size: 1.1rem;
}

.calculator-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.device-counter {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: 10px;
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.device-type {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.device-type:last-child {
    border-bottom: none;
}

.device-type i {
    font-size: 1.5rem;
    margin-right: var(--spacing-sm);
}

.device-type span:first-of-type {
    flex: 1;
    font-size: 1.1rem;
}

.counter-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.counter-controls button {
    background: rgba(255, 255, 255, 0.3);
    color: white;
    border: none;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.counter-controls button:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.counter-controls span {
    font-size: 1.5rem;
    font-weight: 700;
    min-width: 30px;
    text-align: center;
}

.calculator-result {
    background: white;
    color: var(--text-dark);
    padding: var(--spacing-md);
    border-radius: 10px;
}

.total-devices {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-light);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
}

.total-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.recommendation {
    text-align: center;
}

.recommendation-badge {
    display: inline-block;
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #2c3e50;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9rem;
}

.recommendation h4 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.recommendation p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

.recommended-price {
    margin: var(--spacing-md) 0;
}

.price-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

#recommended-price-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

@media (max-width: 968px) {
    .calculator-body {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .calculator-header h3 {
        font-size: 1.5rem;
    }
    
    .device-type {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
    
    .device-type i {
        margin-right: 0;
        margin-bottom: 0.3rem;
    }
}

.price-option .period {
    font-size: 1rem;
    color: var(--text-light);
}

.benefits-section {
    background-color: var(--bg-light);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.benefit-item {
    text-align: center;
}

.benefit-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.benefit-item h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.benefit-item p {
    color: var(--text-light);
}

/* ==========================================
   ABOUT PAGE
   ========================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.about-image {
    text-align: center;
}

.about-image i {
    font-size: 12rem;
    color: var(--primary-color);
    opacity: 0.2;
}

.mvv-section {
    background-color: var(--bg-light);
}

.mvv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.mvv-card {
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.mvv-icon {
    font-size: 3.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.mvv-card h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.mvv-card p {
    color: var(--text-dark);
    line-height: 1.8;
}

.values-list {
    list-style: none;
    text-align: left;
    margin-top: var(--spacing-sm);
}

.values-list li {
    padding: 0.3rem 0;
    color: var(--text-dark);
}

.values-list li::before {
    content: "✓ ";
    color: var(--primary-color);
    font-weight: bold;
    margin-right: var(--spacing-xs);
}

.reasons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.reason-card {
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.reason-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.reason-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.2;
    margin-bottom: var(--spacing-xs);
}

.reason-card h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.reason-card p {
    color: var(--text-dark);
}

.partner-section {
    background-color: var(--bg-light);
}

.partner-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-top: var(--spacing-md);
}

.partner-info p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.partner-benefits {
    list-style: none;
    margin-top: var(--spacing-md);
}

.partner-benefits li {
    padding: 0.5rem 0;
    font-size: 1.05rem;
}

.partner-benefits li i {
    color: var(--primary-color);
    margin-right: var(--spacing-xs);
}

.partner-logo {
    text-align: center;
}

.partner-logo i {
    font-size: 8rem;
    color: var(--primary-color);
}

.partner-badge {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
}

.commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.commitment-item {
    text-align: center;
    padding: var(--spacing-md);
}

.commitment-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.commitment-item h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}

.commitment-item p {
    color: var(--text-light);
}

/* ==========================================
   THANK YOU PAGE
   ========================================== */

.thank-you-section {
    padding: var(--spacing-xl) 0;
    min-height: 70vh;
}

.thank-you-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.success-icon {
    font-size: 6rem;
    color: #28a745;
    margin-bottom: var(--spacing-md);
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.thank-you-content h1 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.thank-you-message {
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
}

.next-steps {
    margin: var(--spacing-lg) 0;
}

.next-steps h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.step-card {
    background-color: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: 10px;
    transition: all var(--transition-normal);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--primary-color);
    color: var(--text-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto var(--spacing-sm);
}

.step-card h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-xs);
}

.step-card p {
    color: var(--text-light);
}

.contact-alternatives {
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-md);
    background-color: var(--bg-light);
    border-radius: 10px;
}

.contact-alternatives h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.quick-contacts {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.quick-contact-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: var(--spacing-md);
    border-radius: 10px;
    text-decoration: none;
    transition: all var(--transition-normal);
    min-width: 150px;
}

.quick-contact-btn.whatsapp {
    background-color: var(--success-color);
    color: var(--text-white);
}

.quick-contact-btn.phone {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.quick-contact-btn.email {
    background-color: var(--secondary-color);
    color: var(--text-white);
}

.quick-contact-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.quick-contact-btn i {
    font-size: 2rem;
}

.explore-more {
    margin: var(--spacing-xl) 0;
}

.explore-more h2 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.action-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.social-proof {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: 10px;
}

.social-proof-text {
    color: var(--text-white);
    font-size: 1.1rem;
    font-weight: 600;
}

.social-proof-text i {
    margin-right: var(--spacing-xs);
}

/* ==========================================
   404 ERROR PAGE
   ========================================== */

.error-404-section {
    padding: var(--spacing-xl) 0;
    min-height: 70vh;
}

.error-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.error-icon {
    font-size: 6rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.error-code {
    font-size: 8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    line-height: 1;
}

.error-title {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: var(--spacing-sm);
}

.error-message {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.error-suggestions {
    background-color: var(--bg-light);
    padding: var(--spacing-md);
    border-radius: 10px;
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.error-suggestions h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.error-suggestions ul {
    list-style: none;
}

.error-suggestions li {
    padding: 0.5rem 0;
    color: var(--text-dark);
}

.error-suggestions li i {
    color: var(--primary-color);
    margin-right: var(--spacing-xs);
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin: var(--spacing-lg) 0;
}

.popular-pages {
    margin: var(--spacing-xl) 0;
}

.popular-pages h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.page-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.page-link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--bg-light);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-dark);
    transition: all var(--transition-normal);
}

.page-link-card:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.page-link-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    transition: color var(--transition-normal);
}

.page-link-card:hover i {
    color: var(--text-white);
}

.page-link-card span {
    font-weight: 600;
}

.error-search {
    margin-top: var(--spacing-xl);
}

.error-search p {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.search-form {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    max-width: 600px;
    margin: 0 auto;
}

.search-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 1rem;
}

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

/* ==========================================
   CONTACT PAGE
   ========================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.contact-form-wrapper h2,
.contact-info-wrapper h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 0.3rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

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

.form-message {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-radius: 5px;
    display: none;
}

.form-message.success {
    background-color: #d4edda;
    color: #155724;
    display: block;
}

.form-message.error {
    background-color: #f8d7da;
    color: #721c24;
    display: block;
}

.contact-info-card {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    background-color: var(--bg-light);
    border-radius: 8px;
}

.info-icon {
    font-size: 2rem;
    color: var(--primary-color);
}

.info-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
    color: var(--primary-color);
}

.info-content p {
    color: var(--text-dark);
}

.social-contact {
    margin-top: var(--spacing-md);
}

.social-contact h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-color);
}

.social-links-large {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links-large a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--text-white);
    font-size: 1.5rem;
    transition: all var(--transition-fast);
}

.social-links-large a:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.faq-item {
    background-color: var(--bg-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--primary-color);
}

.faq-item h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.faq-item p {
    color: var(--text-dark);
    line-height: 1.7;
}

/* ==========================================
   FOOTER
   ========================================== */

.footer {
    background-color: #1a1a1a;
    color: var(--text-white);
    padding: var(--spacing-lg) 0 var(--spacing-sm);
}

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

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-sm);
}

.footer-section p {
    color: #cccccc;
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #cccccc;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

.contact-info li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: #cccccc;
}

.contact-info li i {
    color: var(--primary-light);
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: #333;
    color: var(--text-white);
    font-size: 1.2rem;
    transition: all var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: var(--spacing-sm);
    text-align: center;
    color: #888;
}

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

@media (max-width: 968px) {
    .hero .container,
    .about-grid,
    .partner-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-image i {
        font-size: 10rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: var(--bg-white);
        width: 100%;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-normal);
        gap: 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin-bottom: var(--spacing-sm);
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-image i {
        font-size: 6rem;
    }
    
    .products-grid,
    .features-grid,
    .reasons-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-section {
        grid-template-columns: 1fr;
    }
    
    /* Produtos responsivos */
    .product-header {
        flex-direction: column;
        text-align: center;
    }
    
    .product-icon-large {
        font-size: 3rem;
    }
    
    .product-header h3 {
        font-size: 1.5rem;
    }
    
    .product-badge {
        position: static;
        display: inline-block;
        margin-bottom: 1rem;
        font-size: 0.8rem;
    }
    
    .product-rating {
        justify-content: center;
    }
    
    .promo-badge {
        font-size: 0.85rem;
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-lg: 1.5rem;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-buttons .btn {
        width: 100%;
    }
    
    /* Mobile: Cards de produto */
    .product-detail-card {
        padding: 1rem;
    }
    
    .product-header h3 {
        font-size: 1.3rem;
    }
    
    .product-tagline {
        font-size: 0.9rem;
    }
    
    .product-features li {
        font-size: 0.9rem;
        padding: 0.3rem 0;
    }
    
    .price-option .price {
        font-size: 1.5rem;
    }
    
    .price-old {
        font-size: 0.9rem;
    }
    
    .price-note {
        font-size: 0.7rem;
    }
    
    .product-footer p {
        font-size: 0.8rem;
    }
    
    /* Filtros mobile */
    .filters {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .filter-btn {
        flex: 1 1 45%;
        font-size: 0.9rem;
        padding: 0.6rem 1rem;
    }
}