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

:root {
    --primary-color: #ff3366;
    --secondary-color: #6b33ff;
    --accent-color: #00ffcc;
    --dark-bg: #0a0a0f;
    --card-bg: #151520;
    --text-primary: #ffffff;
    --text-secondary: #a0a0b0;
    --gradient-1: linear-gradient(135deg, #ff3366 0%, #6b33ff 100%);
    --gradient-2: linear-gradient(135deg, #6b33ff 0%, #00ffcc 100%);
}

html {
    scroll-behavior: smooth;
}

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

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    transition: all 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 28px;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-tag {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
    padding: 2px 8px;
    border-radius: 4px;
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 100px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top, rgba(107, 51, 255, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at bottom right, rgba(255, 51, 102, 0.15) 0%, transparent 50%);
    z-index: -1;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(255, 255, 255, 0.02) 2px,
            rgba(255, 255, 255, 0.02) 4px
        );
}

.hero-content {
    text-align: center;
}

.hero-title {
    margin-bottom: 20px;
}

.title-part1 {
    display: block;
    font-family: 'Orbitron', sans-serif;
    font-size: 72px;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 4px;
}

.title-part2 {
    display: block;
    font-size: 48px;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 10px;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-secondary);
    margin-bottom: 15px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-desc {
    font-size: 18px;
    color: var(--accent-color);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 500;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 16px 40px;
    font-size: 18px;
    font-weight: 700;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-1);
    color: white;
    box-shadow: 0 10px 30px rgba(255, 51, 102, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(255, 51, 102, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--accent-color);
}

.btn-secondary:hover {
    background: var(--accent-color);
    color: var(--dark-bg);
    transform: translateY(-3px);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 30px;
    height: 50px;
    border: 2px solid var(--text-secondary);
    border-radius: 25px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.5;
        transform: translateX(-50%) translateY(20px);
    }
}

.features {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--dark-bg) 0%, var(--card-bg) 100%);
}

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 42px;
    font-weight: 900;
    text-align: center;
    margin-bottom: 60px;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(255, 51, 102, 0.2);
}

.feature-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-desc {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.6;
}

.download {
    padding: 120px 0;
    background: linear-gradient(180deg, var(--card-bg) 0%, var(--dark-bg) 100%);
}

.download-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    max-width: 800px;
    margin: 0 auto;
}

.download-card {
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
}

.download-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-color);
    box-shadow: 0 20px 40px rgba(0, 255, 204, 0.2);
}

.download-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.download-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.download-desc {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 25px;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 30px;
    font-size: 16px;
}

.android-btn {
    background: linear-gradient(135deg, #34a853 0%, #2e7d32 100%);
    color: white;
}

.android-btn:hover {
    box-shadow: 0 10px 30px rgba(52, 168, 83, 0.3);
    transform: translateY(-3px);
}

.ios-btn {
    background: linear-gradient(135deg, #555555 0%, #333333 100%);
    color: white;
}

.ios-btn:hover {
    box-shadow: 0 10px 30px rgba(85, 85, 85, 0.3);
    transform: translateY(-3px);
}

.contact {
    padding: 120px 0;
    background: var(--dark-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 60px;
    align-items: center;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px;
    background: var(--dark-bg);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.info-icon {
    font-size: 48px;
    min-width: 60px;
}

.info-text h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.phone-number {
    /* font-family: 'Orbitron', sans-serif; */
    font-size: 28px;
    font-weight: 700;
    color: var(--accent-color);
}

.qr-section {
    text-align: center;
}

.qr-section h4 {
    font-size: 20px;
    margin-bottom: 30px;
    color: var(--text-primary);
}

.qr-container {
    background: var(--dark-bg);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: inline-block;
}

.qr-image {
    width: 200px;
    height: 200px;
    margin-bottom: 15px;
}

.qr-hint {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer {
    background: var(--dark-bg);
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-text {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
}

@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-links {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .nav-link {
        font-size: 14px;
        padding: 5px 10px;
    }
    
    .hero {
        padding-top: 160px;
        padding-bottom: 60px;
    }
    
    .hero-title {
        margin-bottom: 15px;
    }
    
    .title-part1 {
        font-size: 36px;
        letter-spacing: 2px;
    }
    
    .title-part2 {
        font-size: 24px;
    }
    
    .hero-subtitle {
        font-size: 14px;
        padding: 0 10px;
        margin-bottom: 10px;
    }
    
    .hero-desc {
        font-size: 13px;
        padding: 0 10px;
        margin-bottom: 30px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .btn {
        padding: 14px 30px;
        font-size: 16px;
        width: 100%;
        max-width: 280px;
    }
    
    .section-title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .features {
        padding: 80px 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .feature-card {
        padding: 30px;
    }
    
    .feature-icon {
        font-size: 48px;
    }
    
    .feature-title {
        font-size: 20px;
    }
    
    .download {
        padding: 80px 0;
    }
    
    .download-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .download-card {
        padding: 30px;
    }
    
    .download-icon {
        font-size: 48px;
    }
    
    .btn-download {
        width: 100%;
        justify-content: center;
    }
    
    .contact {
        padding: 80px 0;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .info-item {
        flex-direction: column;
        text-align: center;
        padding: 25px;
    }
    
    .info-icon {
        font-size: 40px;
        min-width: auto;
    }
    
    .phone-number {
        font-size: 24px;
    }
    
    .qr-image {
        width: 180px;
        height: 180px;
    }
    
    .footer {
        padding: 30px 0;
    }
    
    .footer-text {
        font-size: 12px;
    }
}