:root {
    --bg-color: #0a0a0c;
    --surface-color: #16161a;
    --surface-light: #24242b;
    --primary-color: #00ff88;
    --primary-glow: rgba(0, 255, 136, 0.3);
    --secondary-color: #25D366; /* WhatsApp color */
    --text-color: #ffffff;
    --text-muted: #a0a0a8;
    --border-color: rgba(255, 255, 255, 0.08);
    --font-family: 'Outfit', sans-serif;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.2;
}

.highlight {
    color: var(--primary-color);
    text-shadow: 0 0 20px var(--primary-glow);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: var(--bg-color);
    box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 255, 136, 0.5);
    background: #10ff94;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-buy {
    width: 100%;
    background: var(--surface-light);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    margin-top: 1.5rem;
}

.btn-buy:hover {
    background: var(--secondary-color);
    border-color: var(--secondary-color);
    color: #fff;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(12px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-color);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--primary-color);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: url('https://images.unsplash.com/photo-1593950315186-76a92975b60c?auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, var(--bg-color) 0%, rgba(10, 10, 12, 0.8) 50%, rgba(10, 10, 12, 0.2) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    width: 100%;
}

.hero-text {
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 255, 136, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(0, 255, 136, 0.2);
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(3rem, 5vw, 5rem);
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* Products Section */
.products {
    padding: 8rem 0;
    background: var(--bg-color);
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.section-title p {
    color: var(--text-muted);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 255, 136, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.card-image-wrapper {
    position: relative;
    height: 240px;
    overflow: hidden;
}

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

.product-card:hover .card-image-wrapper img {
    transform: scale(1.05);
}

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--primary-color);
    color: var(--bg-color);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
}

.card-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.category {
    color: var(--primary-color);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.card-content h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.specs {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.specs span {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.price {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-color);
    margin-top: auto;
}

/* Footer */
footer {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand h3 {
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.footer-brand h3 i {
    color: var(--primary-color);
}

.footer-brand p {
    color: var(--text-muted);
}

.footer-contact h4, .footer-social h4 {
    margin-bottom: 1.5rem;
}

.footer-contact p {
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--surface-light);
    border-radius: 50%;
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
    font-size: 1.25rem;
}

.social-icons a:hover {
    background: var(--primary-color);
    color: var(--bg-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* simple hidden for mobile, can be improved with a hamburger */
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-overlay {
        background: linear-gradient(180deg, rgba(10, 10, 12, 0.4) 0%, var(--bg-color) 100%);
    }
}