:root {
    --bg-color: #050510;
    --primary: #00f3ff;
    --secondary: #bc13fe;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-main: #ffffff;
    --text-muted: #a0a0c0;
    --card-hover: rgba(0, 243, 255, 0.1);
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Fullscreen Particles */
#particles-js {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(circle at center, #0a0a2a 0%, #000000 100%);
}

/* Navigation */
.glass-nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(5, 5, 16, 0.7);
    backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid var(--glass-border);
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.version {
    font-size: 0.8rem;
    background: var(--secondary);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 10px;
}

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

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

.btn-download-nav {
    border: 1px solid var(--primary);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
}

.btn-download-nav:hover {
    background: var(--primary);
    color: #000;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 80px; /* nav height */
    overflow: hidden;
}

.hero-content {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
}

h1.glitch-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 4rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    position: relative;
    text-shadow: 0 0 10px var(--primary);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    letter-spacing: 2px;
}

/* Swiper Carousel */
.swiper {
    width: 100%;
    padding-top: 50px;
    padding-bottom: 50px;
    perspective: 1000px;
}

.swiper-slide {
    background-position: center;
    background-size: cover;
    width: 600px;
    height: 340px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0,0,0,0.5);
    border: 1px solid var(--glass-border);
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-slide-active {
    box-shadow: 0 0 30px var(--primary);
    border-color: var(--primary);
}

/* CTA Buttons */
.cta-group {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.btn-primary {
    background: linear-gradient(45deg, var(--secondary), var(--primary));
    color: white;
    padding: 1rem 3rem;
    font-size: 1.2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.4);
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 40px rgba(0, 243, 255, 0.6);
}

.safe-badge {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* Features Section */
.features-section {
    padding: 5rem 5%;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.8));
}

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

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-family: 'Orbitron', sans-serif;
}

.line {
    width: 100px;
    height: 4px;
    background: var(--primary);
    margin: 0 auto;
    border-radius: 2px;
}

.cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.tech-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    transform: translateX(-100%);
    transition: transform 0.5s;
}

.tech-card:hover::before {
    transform: translateX(100%);
}

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

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.tech-card h3 {
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.tech-card p {
    color: var(--secondary);
    font-size: 0.9rem;
    font-weight: bold;
    margin-bottom: 1rem;
    text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
}

.card-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Download Section */
.download-section {
    padding: 5rem 2rem;
    display: flex;
    justify-content: center;
}

.glass-panel {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 800px;
    width: 100%;
    backdrop-filter: blur(20px);
}

.btn-mega-download {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    background: var(--primary);
    border: none;
    padding: 1rem 4rem;
    border-radius: 10px;
    margin: 2rem auto;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-mega-download:hover {
    background: white;
    box-shadow: 0 0 30px var(--primary);
}

.btn-mega-download .icon {
    font-size: 2.5rem;
    color: #000;
}

.btn-mega-download .text {
    text-align: left;
    color: #000;
}

.btn-mega-download .main {
    display: block;
    font-size: 1.5rem;
    font-weight: bold;
}

.btn-mega-download .sub {
    font-size: 0.8rem;
    opacity: 0.8;
}

.disclaimer {
    margin-top: 2rem;
    font-size: 0.85rem;
    color: #ff4d4d;
    background: rgba(255, 0, 0, 0.1);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 0, 0, 0.2);
}

footer {
    text-align: center;
    padding: 2rem;
    color: #555;
    font-size: 0.9rem;
    border-top: 1px solid #111;
}

.stats-container {
    display: flex;
    justify-content: center;
    gap: 3rem;
    margin-bottom: 1.5rem;
}

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

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 10px var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    h1.glitch-text {
        font-size: 2.5rem;
    }
    .swiper-slide {
        width: 80%;
        height: 200px;
    }
    .stats-container {
        gap: 1.5rem;
    }
    .stat-value {
        font-size: 1.5rem;
    }
    .stat-label {
        font-size: 0.8rem;
    }
}