:root {
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-primary-light: #60a5fa;
    --color-secondary: #06b6d4;
    --color-accent: #8b5cf6;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-white: #ffffff;
    --color-light-bg: #f0f9ff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    color: var(--color-gray-900);
    background: var(--color-gray-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.navbar-top {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

.brand:hover {
    transform: scale(1.05);
}

.brand i {
    font-size: 2rem;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    position: relative;
}

.btn-nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-full);
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.btn-nav-link:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.btn-nav-panel {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    text-decoration: none;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.btn-nav-panel:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    background: var(--color-gray-100);
    cursor: pointer;
    transition: var(--transition);
}

.user-menu-trigger:hover {
    background: var(--color-gray-200);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.user-name {
    font-weight: 600;
    color: var(--color-gray-700);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 0.5rem;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 220px;
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-md);
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.user-dropdown a:hover {
    background: var(--color-light-bg);
    color: var(--color-primary);
}

.user-dropdown hr {
    margin: 0.5rem 0;
    border: none;
    border-top: 1px solid var(--color-gray-200);
}

.btn-mobile-menu {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-gray-700);
    cursor: pointer;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--color-white);
    box-shadow: var(--shadow-xl);
    z-index: 9999;
    transition: right 0.3s ease;
    overflow-y: auto;
}

.mobile-nav.open {
    right: 0;
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--color-gray-200);
}

.mobile-nav-header button {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-gray-700);
    cursor: pointer;
}

.mobile-nav-content {
    padding: 1rem;
}

.mobile-nav-content a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    color: var(--color-gray-700);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.mobile-nav-content a:hover {
    background: var(--color-light-bg);
    color: var(--color-primary);
}

.mobile-nav-content hr {
    margin: 1rem 0;
    border: none;
    border-top: 1px solid var(--color-gray-200);
}

.hero-modern {
    position: relative;
    padding: 5rem 0 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(6, 182, 212, 0.15) 0%, transparent 50%);
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(6, 182, 212, 0.05) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--color-gray-900);
}

.text-gradient {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-search-box {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 0.5rem;
    box-shadow: var(--shadow-xl);
    margin-bottom: 2.5rem;
}

.search-form {
    display: flex;
    gap: 0.5rem;
}

.search-input-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 1.5rem;
}

.search-input-wrapper i {
    font-size: 1.25rem;
    color: var(--color-gray-600);
}

.search-input-wrapper input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1rem;
    padding: 0.5rem 0;
    color: var(--color-gray-900);
}

.search-input-wrapper input::placeholder {
    color: var(--color-gray-600);
}

.btn-search {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn-search:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.saldo-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
}

.saldo-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.saldo-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.saldo-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--color-white);
}

.saldo-real .saldo-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
}

.saldo-promo .saldo-icon {
    background: linear-gradient(135deg, var(--color-warning), var(--color-danger));
}

.saldo-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.saldo-label {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    font-weight: 500;
}

.saldo-amount {
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-gray-900);
}

.categories-section {
    padding: 3rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.section-header p {
    font-size: 1.125rem;
    color: var(--color-gray-600);
}

.categories-carousel {
    position: relative;
    padding: 0 3rem;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-white);
    border: none;
    box-shadow: var(--shadow-md);
    color: var(--color-gray-700);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10;
}

.carousel-btn:hover {
    background: var(--color-primary);
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.carousel-btn.prev {
    left: 0;
}

.carousel-btn.next {
    right: 0;
}

.categories-track {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    scroll-behavior: smooth;
    padding: 0.5rem 0 1rem;
    scrollbar-width: none;
}

.categories-track::-webkit-scrollbar {
    display: none;
}

.category-chip {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-xl);
    background: var(--color-white);
    border: 2px solid transparent;
    text-decoration: none;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.category-chip:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.category-chip.active {
    border-color: var(--color-primary);
    background: var(--color-light-bg);
}

.category-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
}

.category-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.category-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--color-gray-900);
}

.category-count {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.products-section {
    padding: 3rem 0;
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.products-title h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-gray-900);
    margin-bottom: 0.25rem;
}

.products-count {
    font-size: 1rem;
    color: var(--color-gray-600);
}

.sort-form {
    display: flex;
    align-items: center;
}

.sort-selector {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: var(--color-white);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
}

.sort-selector i {
    color: var(--color-gray-600);
}

.sort-selector select {
    border: none;
    outline: none;
    background: transparent;
    font-weight: 600;
    color: var(--color-gray-900);
    cursor: pointer;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.product-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-warning), var(--color-danger));
    color: var(--color-white);
    font-weight: 700;
    font-size: 0.875rem;
    z-index: 10;
    box-shadow: var(--shadow-md);
}

.product-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--color-primary);
}

.product-video-indicator {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    color: var(--color-white);
    font-weight: 700;
    font-size: 0.875rem;
}

.product-content {
    padding: 1.5rem;
}

.product-category {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.product-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.product-description {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.product-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-200);
}

.product-price {
    display: flex;
    flex-direction: column;
}

.price-amount {
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-success), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-label {
    font-size: 0.75rem;
    color: var(--color-gray-600);
    font-weight: 600;
}

.product-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-product-view {
    width: 45px;
    height: 45px;
    border-radius: var(--radius-md);
    background: var(--color-gray-100);
    border: none;
    color: var(--color-gray-700);
    font-size: 1.125rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-product-view:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-product-buy {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-success), var(--color-secondary));
    color: var(--color-white);
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
}

.btn-product-buy:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.product-download {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-200);
}

.btn-download-demo {
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    padding: 1rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: var(--color-white);
    text-decoration: none;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-download-demo:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.4);
    background: linear-gradient(135deg, #059669 0%, #047857 100%);
}

.btn-download-demo i {
    font-size: 1.75rem;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.download-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    text-align: left;
}

.download-label {
    font-weight: 700;
    font-size: 1rem;
}

.download-stats {
    font-size: 0.8125rem;
    opacity: 0.9;
}

.product-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-200);
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

.empty-state {
    text-align: center;
    padding: 5rem 2rem;
}

.empty-icon {
    font-size: 5rem;
    color: var(--color-gray-300);
    margin-bottom: 1.5rem;
}

.empty-state h3 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.empty-state p {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: 2rem;
}

.btn-empty {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    text-decoration: none;
    font-weight: 700;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.btn-empty:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.footer-modern {
    background: var(--color-gray-900);
    color: var(--color-white);
    padding: 3rem 0;
    margin-top: 5rem;
}

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

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.footer-brand i {
    font-size: 2rem;
}

.modal-content {
    border-radius: var(--radius-xl);
    border: none;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: var(--color-white);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    padding: 1.5rem;
}

.modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.modal-body {
    padding: 2rem;
}

.carousel-control-prev,
.carousel-control-next {
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
}

.carousel-control-prev {
    left: 10px;
}

.carousel-control-next {
    right: 10px;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    width: 20px;
    height: 20px;
}

.carousel-caption {
    background: rgba(0, 0, 0, 0.7);
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
}

#videosContainer .card {
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

#videosContainer .card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .btn-mobile-menu {
        display: block;
    }
    
    .user-menu-trigger,
    .btn-nav-link {
        display: none;
    }
    
    .hero-modern {
        padding: 3rem 0 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .search-form {
        flex-direction: column;
    }
    
    .btn-search {
        width: 100%;
        justify-content: center;
    }
    
    .saldo-cards {
        grid-template-columns: 1fr;
    }
    
    .categories-carousel {
        padding: 0;
    }
    
    .carousel-btn {
        display: none;
    }
    
    .products-header {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .brand span {
        display: none;
    }
    
    .hero-search-box {
        padding: 0.25rem;
    }
    
    .search-input-wrapper {
        padding: 0 1rem;
    }
    
    .product-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .btn-product-buy {
        width: 100%;
        justify-content: center;
    }
}