:root {
    --primary: #000000;
    --white: #ffffff;
    --gray-light: #f5f5f7;
    --gray-dark: #333333;
    --shopee: #ee4d2d;
    --whatsapp: #25D366;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

body {
    font-family: 'Montserrat', sans-serif;
    color: var(--gray-dark);
    background-color: var(--white);
    scroll-behavior: smooth;
}

/* Header */
.header {
    position: sticky; top: 0; z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
}
.header-container {
    max-width: 1200px; margin: 0 auto;
    padding: 10px 20px;
    display: flex; justify-content: space-between; align-items: center;
}
.logo { height: 60px; transition: transform 0.3s ease; }
.logo:hover { transform: scale(1.05); }

.nav-links a {
    text-decoration: none; color: var(--primary);
    margin-left: 25px; font-weight: 600; font-size: 0.9rem;
    text-transform: uppercase; letter-spacing: 1px;
    position: relative;
}
.nav-links a::after {
    content: ''; position: absolute; width: 0; height: 2px;
    bottom: -5px; left: 0; background-color: var(--primary);
    transition: width 0.3s ease;
}
.nav-links a:hover::after { width: 100%; }

/* Banners / Carousel */
.carousel {
    position: relative; width: 100%; height: 70vh; min-height: 500px;
    overflow: hidden; background-color: var(--primary);
}
.slide {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%;
    background-size: cover; background-position: center;
    opacity: 0; transition: opacity 1s ease-in-out;
}
.slide.active { opacity: 1; z-index: 1; }

.slide-overlay {
    width: 100%; height: 100%;
    background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.6));
    display: flex; align-items: center; justify-content: center;
}
.slide-content { text-align: center; color: var(--white); padding: 20px; }
.slide-content h1 { font-size: 4rem; font-weight: 300; letter-spacing: 3px; margin-bottom: 20px; text-transform: uppercase;}
.slide-content p { font-size: 1.2rem; margin-bottom: 40px; max-width: 600px; margin-left: auto; margin-right: auto;}

.btn-primary {
    background: transparent; color: var(--white);
    border: 2px solid var(--white); padding: 15px 40px;
    text-decoration: none; font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
    transition: var(--transition);
}
.btn-primary:hover { background: var(--white); color: var(--primary); }

.prev-slide, .next-slide {
    position: absolute; top: 50%; transform: translateY(-50%);
    background: rgba(255,255,255,0.2); color: white; border: none;
    font-size: 24px; padding: 15px 20px; cursor: pointer;
    z-index: 10; transition: var(--transition);
}
.prev-slide:hover, .next-slide:hover { background: rgba(255,255,255,0.5); }
.prev-slide { left: 20px; }
.next-slide { right: 20px; }

.carousel-dots { position: absolute; bottom: 30px; width: 100%; text-align: center; z-index: 10; }
.dot {
    display: inline-block; width: 12px; height: 12px;
    margin: 0 5px; background: rgba(255,255,255,0.5);
    border-radius: 50%; cursor: pointer; transition: 0.3s;
}
.dot.active, .dot:hover { background: var(--white); transform: scale(1.2); }

/* Catálogo */
.catalog-section { max-width: 1200px; margin: 80px auto; padding: 0 20px; }
.section-header { text-align: center; margin-bottom: 60px; }
.section-header h2 { font-size: 2.5rem; font-weight: 300; text-transform: uppercase; letter-spacing: 2px;}
.divider { height: 3px; width: 80px; background: var(--primary); margin: 20px auto 0; }

.catalog-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 40px;
}

/* Animações dos Cartões (Hover Effects) */
.product-card {
    background: var(--white); border-radius: 8px;
    overflow: hidden; box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
    display: flex; flex-direction: column;
}
.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.12);
}

.img-container { width: 100%; height: 280px; overflow: hidden; }
.product-image {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.6s ease;
}
.product-card:hover .product-image { transform: scale(1.1); }

.product-info { padding: 25px 20px; text-align: center; display: flex; flex-direction: column; flex-grow: 1; }
.product-title { font-size: 1.1rem; font-weight: 600; margin-bottom: 10px; }
.product-price { font-size: 1.3rem; font-weight: 700; color: var(--primary); margin-bottom: 25px; }

.actions { display: flex; flex-direction: column; gap: 12px; margin-top: auto; }
.btn-buy {
    padding: 12px; border-radius: 6px; text-decoration: none;
    font-weight: 600; text-transform: uppercase; font-size: 0.85rem; letter-spacing: 1px;
    display: flex; align-items: center; justify-content: center; gap: 8px;
    transition: var(--transition);
}
.btn-shopee { background: var(--white); color: var(--shopee); border: 2px solid var(--shopee); }
.btn-shopee:hover { background: var(--shopee); color: var(--white); }

.btn-whatsapp-buy { background: var(--white); color: var(--whatsapp); border: 2px solid var(--whatsapp); }
.btn-whatsapp-buy:hover { background: var(--whatsapp); color: var(--white); }

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed; bottom: 30px; right: 30px;
    background: var(--whatsapp); color: white;
    width: 60px; height: 60px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 30px; box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 1000; transition: var(--transition);
    animation: pulse 2s infinite; text-decoration: none;
}
.whatsapp-float:hover { transform: scale(1.1); }

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Footer */
.footer { background: var(--gray-light); padding: 50px 20px; text-align: center; }
.footer-logo { height: 40px; margin-bottom: 20px; filter: grayscale(100%); opacity: 0.6; transition: 0.3s; }
.footer-logo:hover { filter: grayscale(0%); opacity: 1; }
.footer p { font-size: 0.9rem; color: #888; }

@media (max-width: 768px) {
    .slide-content h1 { font-size: 2.5rem; }
    .header-container { flex-direction: column; gap: 10px; }
    .nav-links a { margin: 0 10px; }
}