:root {
    --primary: #00FFD1;
    --primary-hover: #00E0B8;
    --dark: #111111;
    --dark-accent: #1a1a1a;
    --white: #ffffff;
    --gray: #888888;
    --glass: rgba(255, 255, 255, 0.1);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--dark);
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: -1px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 15px 0;
    backdrop-filter: blur(10px);
    background: rgba(17, 17, 17, 0.8);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .logo img {
    height: 40px;
}

header nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

header nav ul li a {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
}

header nav ul li a:hover {
    color: var(--primary);
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 209, 0.3);
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    background: radial-gradient(circle at top right, rgba(0, 255, 209, 0.1), transparent);
    text-align: center;
}

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

.badge {
    display: inline-block;
    background: rgba(0, 255, 209, 0.1);
    color: var(--primary);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    color: var(--gray);
    margin-bottom: 40px;
}

.price-box {
    background: var(--dark-accent);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: inline-block;
    margin-bottom: 30px;
}

.old-price {
    text-decoration: line-through;
    color: var(--gray);
    font-size: 0.9rem;
}

.new-price {
    display: block;
    font-size: 2.5rem;
    color: var(--primary);
    font-weight: 800;
}

.installments {
    font-size: 1rem;
    font-weight: 600;
}

.btn-large {
    background: var(--primary);
    color: var(--dark);
    padding: 18px 40px;
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.hero-trust {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: var(--gray);
    font-size: 0.9rem;
}

/* Features */
.features {
    padding: 50px 0;
    background: var(--dark-accent);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 20px;
}

.feature-item i {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

/* Products */
.products {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
}

.grid-products {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background: var(--dark-accent);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
    cursor: pointer;
}

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

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

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

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

.product-info {
    padding: 20px;
}

.product-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--primary);
    color: var(--dark);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 10px;
    font-weight: 800;
    z-index: 10;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.product-price {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 800;
    margin-bottom: 20px;
}

.btn-full {
    width: 100%;
}

/* Modal Lightbox (Zoom) */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 80vh;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 255, 209, 0.2);
    animation: zoom 0.3s;
}

#modal-caption {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    text-align: center;
    color: var(--white);
    padding: 20px 0;
    font-weight: 700;
    font-size: 1.2rem;
}

.close-modal {
    position: absolute;
    top: 40px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    transition: 0.3s;
    cursor: pointer;
}

@keyframes zoom {
    from {transform:scale(0)}
    to {transform:scale(1)}
}

.product-image::after {
    content: "🔍 Clique para Zoom";
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 10px;
    opacity: 0;
    transition: var(--transition);
}

.product-card:hover .product-image::after {
    opacity: 1;
}

/* Testimonials */
.testimonials {
    padding: 100px 0;
    background: var(--dark-accent);
}

.grid-testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.testimonial-item img {
    width: 100%;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.testimonial-item:hover img {
    transform: scale(1.05);
}

/* Instagram */
.instagram {
    padding: 100px 0;
    text-align: center;
    background: radial-gradient(circle at bottom left, rgba(0, 255, 209, 0.1), transparent);
}

.btn-instagram {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
    margin-top: 20px;
}

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

/* Footer */
footer {
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-logo img {
    height: 30px;
    margin-bottom: 15px;
}

.footer-logo p {
    color: var(--gray);
    font-size: 0.9rem;
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25d366;
    color: white;
    padding: 10px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    font-weight: 700;
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    animation: pulse 2s infinite;
}

.whatsapp-float img {
    width: 24px;
}

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

/* Responsive */
@media (max-width: 768px) {
    header nav {
        display: none;
    }
    .hero h1 {
        font-size: 2.2rem;
    }
    .new-price {
        font-size: 1.8rem;
    }
    .footer .container {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .modal-content {
        width: 95%;
    }
}