@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --primary-dark: #0a0e27;
    --secondary-dark: #151b3d;
    --accent-blue: #00d4ff;
    --accent-gold: #ffd700;
    --accent-orange: #ff6b35;
    --text-light: #ffffff;
    --text-gray: #b0b8d4;
    --card-bg: #1a1f3a;
    --success-green: #00ff88;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--primary-dark);
    color: var(--text-light);
    overflow-x: hidden;
    position: relative;
}

/* Partículas de fundo animadas */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(0, 212, 255, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 90% 80%, rgba(255, 215, 0, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 107, 53, 0.03) 0%, transparent 50%);
    z-index: 0;
    animation: particleFloat 25s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

.container {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== HEADER ========== */
header {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--primary-dark) 100%);
    margin-bottom: 80px;
    overflow: hidden;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(0, 212, 255, 0.1) 50%, transparent 70%),
        repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0px, transparent 2px, transparent 40px);
    animation: headerShine 15s linear infinite;
}

@keyframes headerShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.header-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 60px 20px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding: 15px 30px;
    background: rgba(0, 212, 255, 0.1);
    border: 2px solid var(--accent-blue);
    border-radius: 50px;
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.3); }
    50% { box-shadow: 0 0 40px rgba(0, 212, 255, 0.6); }
}

.logo-icon {
    font-size: 2em;
    filter: drop-shadow(0 0 10px var(--accent-blue));
}

.logo-text {
    font-size: 1.5em;
    font-weight: 800;
    letter-spacing: 2px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.main-title {
    font-size: 4em;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: -2px;
}

.highlight {
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold), var(--accent-orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    animation: gradientShift 5s ease infinite;
    background-size: 200% auto;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.subtitle {
    font-size: 1.3em;
    color: var(--text-gray);
    margin-bottom: 50px;
    font-weight: 300;
    letter-spacing: 1px;
}

.stats-container {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    margin-top: 50px;
}

.stat-box {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px 40px;
    background: rgba(26, 31, 58, 0.6);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-5px);
    border-color: var(--accent-blue);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.stat-icon {
    font-size: 2.5em;
    filter: drop-shadow(0 0 10px var(--accent-gold));
}

.stat-number {
    display: block;
    font-size: 2em;
    font-weight: 800;
    color: var(--accent-blue);
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 0.9em;
    color: var(--text-gray);
    margin-top: 5px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========== FILTERS SECTION ========== */
.filters-section {
    margin-bottom: 80px;
}

.section-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    font-size: 2.5em;
    font-weight: 800;
    margin-bottom: 50px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.title-line {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
}

.filters-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.filter-card {
    position: relative;
    background: var(--card-bg);
    border: 2px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    padding: 35px 25px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    font-family: 'Inter', sans-serif;
}

.filter-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s;
}

.filter-card:hover::before {
    left: 100%;
}

.filter-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-blue);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4);
}

.filter-card.active {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(255, 215, 0, 0.1));
    border-color: var(--accent-blue);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

.filter-icon {
    font-size: 3em;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 10px var(--accent-blue));
}

.filter-name {
    display: block;
    font-size: 1.2em;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-light);
}

.filter-badge {
    display: inline-block;
    padding: 5px 15px;
    background: rgba(255, 215, 0, 0.2);
    border: 1px solid var(--accent-gold);
    border-radius: 20px;
    font-size: 0.75em;
    color: var(--accent-gold);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========== PRODUCTS SECTION ========== */
.products-section {
    margin-bottom: 100px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 35px;
    transition: opacity 0.3s ease;
}

.product-card {
    position: relative;
    background: var(--card-bg);
    border: 2px solid rgba(0, 212, 255, 0.1);
    border-radius: 25px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    animation: cardFadeIn 0.6s ease-out;
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-gold), var(--accent-orange));
    opacity: 0;
    transition: opacity 0.3s;
}

.product-card:hover {
    transform: translateY(-15px) scale(1.02);
    border-color: var(--accent-blue);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.4);
}

.product-card:hover::before {
    opacity: 1;
}

.product-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.produto-info {
    padding: 30px;
}

.categoria-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(0, 212, 255, 0.2);
    border: 1px solid var(--accent-blue);
    color: var(--accent-blue);
    border-radius: 25px;
    font-size: 0.8em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.produto-info h3 {
    font-size: 1.4em;
    font-weight: 700;
    margin-bottom: 15px;
    min-height: 65px;
    line-height: 1.4;
    color: var(--text-light);
}

.produto-info p {
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 25px;
    min-height: 75px;
    font-size: 0.95em;
}

.preco {
    font-size: 2.5em;
    font-weight: 900;
    margin-bottom: 25px;
    background: linear-gradient(90deg, var(--success-green), var(--accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    gap: 10px;
}

.preco::before {
    content: '💎';
    font-size: 0.5em;
    -webkit-text-fill-color: initial;
    filter: drop-shadow(0 0 10px var(--accent-gold));
}

.btn-comprar {
    display: block;
    width: 100%;
    padding: 20px;
    background: linear-gradient(135deg, var(--accent-orange), #ff8c42);
    color: var(--text-light);
    text-align: center;
    text-decoration: none;
    font-size: 1.1em;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 15px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-comprar::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: left 0.5s;
}

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

.btn-comprar:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 53, 0.6);
    background: linear-gradient(135deg, #ff8c42, var(--accent-gold));
}

/* ========== FOOTER ========== */
.footer {
    position: relative;
    background: var(--secondary-dark);
    border-top: 2px solid rgba(0, 212, 255, 0.2);
    padding: 60px 20px 40px;
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5em;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--accent-blue);
}

.footer-text {
    font-size: 1.1em;
    color: var(--text-gray);
    margin-bottom: 30px;
}

.footer-divider {
    width: 200px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    margin: 30px auto;
}

.footer-copyright {
    color: var(--text-gray);
    font-size: 0.9em;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .main-title {
        font-size: 3em;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .main-title {
        font-size: 2.2em;
    }
    
    .subtitle {
        font-size: 1.1em;
    }
    
    .stats-container {
        flex-direction: column;
        gap: 20px;
    }
    
    .stat-box {
        width: 100%;
        justify-content: center;
    }
    
    .section-title {
        font-size: 1.8em;
        flex-direction: column;
        gap: 15px;
    }
    
    .title-line {
        width: 50px;
    }
    
    .filters-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .product-card img {
        height: 250px;
    }
    
    .produto-info h3,
    .produto-info p {
        min-height: auto;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 1.8em;
    }
    
    .logo-text {
        font-size: 1.2em;
    }
    
    .preco {
        font-size: 2em;
    }
}