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

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Header Styles */
.main-header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid #333;
}

.navigation-bar {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

.brand-logo h2 {
    color: #00d4ff;
    font-weight: 700;
    font-size: 1.5rem;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

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

.nav-menu a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #00d4ff;
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(ellipse at center, #1a1a2e 0%, #0a0a0a 100%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><radialGradient id="g"><stop offset="0%" stop-color="%2300d4ff" stop-opacity="0.1"/><stop offset="100%" stop-color="%2300d4ff" stop-opacity="0"/></radialGradient></defs><circle cx="50" cy="50" r="50" fill="url(%23g)"/></svg>') center/cover;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content-centered {
    text-align: center;
    animation: fadeInUp 1s ease-out;
    max-width: 800px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-brand {
    margin-bottom: 2rem;
}

.brand-accent {
    display: block;
    font-size: 1.2rem;
    font-weight: 300;
    color: #00d4ff;
    letter-spacing: 0.3em;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(45deg, #ffffff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: #cccccc;
    margin-bottom: 3rem;
    font-weight: 300;
    line-height: 1.5;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    backdrop-filter: blur(10px);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #00d4ff;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: #cccccc;
    font-weight: 400;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, transparent, #00d4ff, transparent);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.feature-badge {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    padding: 0.7rem 1.5rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    transition: all 0.3s ease;
}

.feature-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.5);
}

.cta-button {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: #ffffff;
    border: none;
    padding: 1.2rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.6);
}

/* Product Details Section */
.product-details {
    padding: 5rem 0;
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a1a 100%);
}

.section-heading {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    color: #ffffff;
    position: relative;
}

.section-heading::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.5);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    filter: grayscale(0) hue-rotate(180deg);
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #00d4ff;
}

.feature-card p {
    color: #cccccc;
    line-height: 1.6;
}

/* Technical Specs */
.technical-specs {
    padding: 4rem 0;
    background: #0f0f0f;
}

.specs-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.spec-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    border-left: 4px solid #00d4ff;
}

.spec-label {
    font-weight: 500;
    color: #cccccc;
}

.spec-value {
    font-weight: 600;
    color: #00d4ff;
    font-size: 1.1rem;
}

/* Reviews Section */
.reviews-section {
    padding: 5rem 0;
    background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
}

.reviews-slider {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 15px;
}

.review-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    border: 1px solid rgba(0, 212, 255, 0.1);
    display: none;
    animation: fadeIn 0.5s ease-in-out;
}

.review-card.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.stars {
    font-size: 1.5rem;
    color: #ffd700;
    margin-bottom: 1rem;
}

.review-card p {
    font-size: 1.1rem;
    color: #ffffff;
    margin-bottom: 1.5rem;
    font-style: italic;
    line-height: 1.7;
}

.reviewer {
    color: #00d4ff;
    font-weight: 600;
}

.slider-controls {
    text-align: center;
    margin-top: 2rem;
}

.prev-btn, .next-btn {
    background: linear-gradient(45deg, #00d4ff, #0099cc);
    color: #ffffff;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    margin: 0 0.5rem;
    transition: all 0.3s ease;
}

.prev-btn:hover, .next-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(0, 212, 255, 0.4);
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background: #0f0f0f;
}

.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
}

.faq-question {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 500;
    color: #ffffff;
    transition: all 0.3s ease;
    position: relative;
}

.faq-question:hover {
    background: rgba(0, 212, 255, 0.1);
    color: #00d4ff;
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.5rem;
    color: #00d4ff;
    transition: transform 0.3s ease;
}

.faq-question.active::after {
    transform: translateY(-50%) rotate(45deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-answer.active {
    padding: 1.5rem;
    max-height: 200px;
}

.faq-answer p {
    color: #cccccc;
    line-height: 1.6;
}

/* Footer */
.main-footer {
    background: #000000;
    padding: 3rem 0 1rem;
    border-top: 1px solid #333;
}

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

.footer-section h3 {
    color: #00d4ff;
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer-section p {
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-section a {
    color: #00d4ff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.other-models {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid #333;
}

.other-models h4 {
    color: #ffffff;
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #888;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .brand-accent {
        font-size: 1rem;
        letter-spacing: 0.2em;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        padding: 1.5rem;
    }
    
    .stat-divider {
        width: 40px;
        height: 1px;
        background: linear-gradient(to right, transparent, #00d4ff, transparent);
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .cta-button {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .nav-menu {
        display: none;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .specs-container {
        grid-template-columns: 1fr;
    }
    
    .section-heading {
        font-size: 2rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}