:root {
    --primary: #00f2fe;
    --secondary: #4facfe;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --card-bg: rgba(255, 255, 255, 0.05);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background: var(--darker-bg);
    color: var(--text-main);
    overflow-x: hidden;
}

/* Background effects */
.bg-glow {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(79, 172, 254, 0.1) 0%, transparent 50%);
    z-index: -1;
    pointer-events: none;
}

/* Navbar */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 100;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(79, 172, 254, 0.3);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 6rem 5% 0;
    position: relative;
}

.hero-content {
    flex: 1;
    z-index: 1;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    max-width: 500px;
}

.price-tag {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price-tag span {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.5));
    animation: float 6s ease-in-out infinite;
    border-radius: 20px;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
    100% { transform: translateY(0px); }
}

/* Glass Cards (Products) */
.products-section {
    padding: 5rem 5%;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

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

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

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

.card-img-wrapper {
    height: 200px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
}

.glass-card img {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    border-radius: 10px;
}

.glass-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.glass-card p.desc {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.glass-card .price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 3rem 5%;
    text-align: center;
    background: var(--dark-bg);
}

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

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 8rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero p {
        margin: 0 auto 2rem;
    }
    
    .nav-links {
        display: none; /* Add a hamburger menu for real production */
    }
    
    .hero-image {
        margin-top: 3rem;
    }
}

/* Animations class for JS */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Product Detail Pages */
.product-hero {
    padding: 10rem 5% 5rem;
    text-align: center;
}

.product-hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.specs-section {
    padding: 5rem 5%;
}

.specs-container {
    max-width: 900px;
    margin: 0 auto;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
}

.spec-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    border-bottom: 1px solid var(--glass-border);
    padding: 1.2rem 2rem;
    transition: background 0.3s ease;
}

.spec-row:hover {
    background: rgba(255, 255, 255, 0.02);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-label {
    font-weight: 700;
    color: var(--primary);
}

.spec-value {
    color: var(--text-main);
}

.features-grid-detail {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-item {
    background: var(--card-bg);
    padding: 2.5rem 2rem;
    border-radius: 24px;
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-item:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 242, 254, 0.1);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.back-btn {
    position: absolute;
    top: 8rem;
    left: 5%;
    color: var(--text-muted);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
    z-index: 10;
}

.back-btn:hover {
    color: var(--primary);
    transform: translateX(-5px);
}

@media (max-width: 768px) {
    .spec-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
        padding: 1rem;
    }
    
    .product-hero h1 {
        font-size: 2.5rem;
    }
    
    .back-btn {
        top: 6rem;
    }
}
/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    animation: pulse 2s infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Stats Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}


/* Sticky Contact Bar */
.sticky-contact-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: none;
    grid-template-columns: 1fr 1fr;
    z-index: 999;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sticky-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1.2rem;
    text-decoration: none;
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.sticky-whatsapp {
    background: #25D366;
}

.sticky-call {
    background: #0ea5e9;
}

@media (max-width: 768px) {
    .sticky-contact-bar {
        display: grid;
    }
    
    .floating-whatsapp {
        bottom: 5.5rem !important;
    }
    
    body {
        padding-bottom: 5rem;
    }
}