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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #0a0a0a;
    color: #ffffff;
    line-height: 1.6;
}

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

/* Header Styles */
.main-header {
    background: rgba(15, 15, 15, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo-link {
    font-size: 28px;
    font-weight: bold;
    color: #00a8ff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #00a8ff, #0078ff);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-link {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.nav-link:hover {
    color: #00a8ff;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background: #ffffff;
    margin: 5px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero-section {
    margin-top: 80px;
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 20% 50%, rgba(0, 168, 255, 0.15) 0%, transparent 50%);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(255, 255, 255, 0.01) 10px, rgba(255, 255, 255, 0.01) 20px);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff, #00a8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 20px;
    color: #00a8ff;
}

.hero-text {
    font-size: 1.25rem;
    color: #b0b0b0;
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

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

.btn {
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    font-size: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #00a8ff, #0078ff);
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(0, 168, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 168, 255, 0.4);
}

.btn-secondary {
    border: 2px solid #00a8ff;
    color: #00a8ff;
    background: transparent;
}

.btn-secondary:hover {
    background: #00a8ff;
    color: #0a0a0a;
}

/* Features Section */
.features-section {
    padding: 100px 0;
    background: #0f0f0f;
}

.section-subtitle {
    text-align: center;
    color: #888;
    font-size: 1.1rem;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 168, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: #00a8ff;
    background: rgba(0, 168, 255, 0.05);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #00a8ff, #0078ff);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin-bottom: 30px;
    position: relative;
    z-index: 1;
}

.feature-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #ffffff;
    position: relative;
    z-index: 1;
}

.feature-text {
    color: #b0b0b0;
    line-height: 1.8;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.feature-list {
    list-style: none;
    margin: 20px 0;
    position: relative;
    z-index: 1;
}

.feature-list li {
    padding: 10px 0;
    color: #b0b0b0;
    padding-left: 30px;
    position: relative;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00a8ff;
    font-weight: bold;
}

/* Technology Section */
.technology-section {
    padding: 100px 0;
    background: #0a0a0a;
}

.technology-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.subsection-title {
    font-size: 1.8rem;
    color: #00a8ff;
    margin: 30px 0 20px;
}

.tech-list {
    list-style: none;
    margin: 20px 0;
}

.tech-item {
    padding: 15px 0;
    padding-left: 40px;
    position: relative;
    color: #b0b0b0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.tech-item::before {
    content: '▶';
    position: absolute;
    left: 10px;
    color: #00a8ff;
}

.technology-image {
    position: relative;
}

.technology-image img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.tech-visual {
    background: linear-gradient(135deg, rgba(0, 168, 255, 0.1), rgba(0, 120, 255, 0.05));
    border: 1px solid rgba(0, 168, 255, 0.3);
    border-radius: 20px;
    padding: 60px;
    text-align: center;
    font-size: 48px;
    color: #00a8ff;
}

.image-caption {
    text-align: center;
    color: #666;
    font-size: 0.9rem;
    margin-top: 20px;
}

/* Access Section */
.access-section {
    padding: 100px 0;
    background: #0f0f0f;
}

.access-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.method-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    transition: all 0.3s ease;
}

.method-card:hover {
    border-color: #00a8ff;
    background: rgba(0, 168, 255, 0.05);
}

.method-number {
    position: absolute;
    top: -20px;
    left: 30px;
    background: #00a8ff;
    color: #0a0a0a;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
}

.method-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #ffffff;
}

.address-box {
    background: rgba(0, 168, 255, 0.1);
    border: 1px solid rgba(0, 168, 255, 0.3);
    border-radius: 10px;
    padding: 15px;
    margin: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.address-box code {
    font-family: 'Courier New', monospace;
    color: #00a8ff;
    font-size: 16px;
}

.copy-btn {
    background: #00a8ff;
    border: none;
    color: #0a0a0a;
    padding: 8px 15px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background: #0078ff;
}

.method-list {
    list-style: none;
    margin: 20px 0;
}

.method-list li {
    padding: 10px 0;
    color: #b0b0b0;
}

.method-list strong {
    color: #00a8ff;
}

.method-steps {
    counter-reset: step;
    list-style: none;
    margin: 20px 0;
}

.method-steps li {
    counter-increment: step;
    padding: 10px 0;
    padding-left: 40px;
    position: relative;
    color: #b0b0b0;
}

.method-steps li::before {
    content: counter(step);
    position: absolute;
    left: 0;
    background: #00a8ff;
    color: #0a0a0a;
    width: 25px;
    height: 25px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
}

.method-note {
    color: #888;
    font-size: 0.9rem;
    margin-top: 15px;
    font-style: italic;
}

.security-warning {
    background: rgba(255, 193, 7, 0.1);
    border: 1px solid rgba(255, 193, 7, 0.3);
    border-radius: 15px;
    padding: 30px;
    margin-top: 40px;
}

.warning-title {
    color: #ffc107;
    font-size: 1.3rem;
    margin-bottom: 15px;
}

/* FAQ Section */
.faq-section {
    padding: 100px 0;
    background: #0a0a0a;
}

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

.faq-item {
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: #00a8ff;
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.1rem;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.3s ease;
}

.faq-question::after {
    content: '+';
    font-size: 24px;
    color: #00a8ff;
    transition: transform 0.3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 30px;
    color: #b0b0b0;
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: 0 30px 25px;
}

/* Footer */
.main-footer {
    padding: 80px 0 40px;
    background: #0f0f0f;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 2fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo img {
    width: 150px;
    margin-bottom: 20px;
}

.footer-logo p {
    color: #888;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #888;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: #00a8ff;
    color: #0a0a0a;
}

.footer-title {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #888;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #00a8ff;
}

.footer-info p {
    color: #888;
    margin-bottom: 15px;
    line-height: 1.8;
}

.disclaimer {
    font-size: 0.9rem;
    color: #666;
    font-style: italic;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: #666;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-list {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .features-grid,
    .access-methods {
        grid-template-columns: 1fr;
    }
    
    .technology-content {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
}