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

:root {
    --primary-bg: #FFFFFF;
    --primary-text: #303948;
    --accent: #3cbef2;
    --success: #00a859;
    --error: #ff3366;
    --border: rgba(48, 57, 72, 0.1);
    --shadow: rgba(60, 190, 242, 0.08);
    --hover-shadow: rgba(60, 190, 242, 0.12);
    --card-bg: #FFFFFF;
    --surface: rgba(48, 57, 72, 0.02);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--primary-bg);
    color: var(--primary-text);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.grid-container {
    display: grid;
    grid-template-rows: auto 1fr auto;
    min-height: 100vh;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.header {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    padding: 32px 0;
    border-bottom: 1px solid var(--border);
    gap: 40px;
}

.logo-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.logo-subtitle {
    font-family: 'Space Grotesk', monospace;
    font-size: 11px;
    font-weight: 500;
    color: var(--accent);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.navigation {
    display: flex;
    justify-content: flex-end;
    gap: 32px;
}

.nav-link {
    font-family: 'Space Grotesk', monospace;
    text-decoration: none;
    color: var(--primary-text);
    font-weight: 500;
    font-size: 15px;
    position: relative;
    padding: 8px 0;
    transition: color 0.2s ease;
    opacity: 0.8;
}

.nav-link:hover {
    color: var(--accent);
    opacity: 1;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transform: translateX(-50%);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link:hover::before {
    width: 100%;
}

.content-wrapper {
    padding: 64px 0;
}

.hero-section {
    text-align: center;
    margin-bottom: 96px;
    padding: 48px 0;
    position: relative;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -48px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.hero-title {
    font-family: 'Space Grotesk', monospace;
    font-size: 72px;
    font-weight: 700;
    color: var(--primary-text);
    margin-bottom: 24px;
    letter-spacing: -1.5px;
    line-height: 1;
    background: linear-gradient(135deg, var(--primary-text) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--primary-text);
    opacity: 0.7;
    max-width: 640px;
    margin: 0 auto 32px;
    font-weight: 400;
    line-height: 1.7;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    background-color: var(--surface);
    border-radius: 100px;
    border: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-text);
    opacity: 0.9;
}

.section-title {
    font-family: 'Space Grotesk', monospace;
    font-size: 42px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
    text-align: center;
    letter-spacing: -0.5px;
}

.section-description {
    font-size: 18px;
    color: var(--primary-text);
    opacity: 0.6;
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
    font-weight: 400;
}

.security-notice {
    background: linear-gradient(135deg, rgba(255, 51, 102, 0.05) 0%, rgba(255, 51, 102, 0.02) 100%);
    border: 1px solid rgba(255, 51, 102, 0.2);
    color: var(--primary-text);
    padding: 24px 32px;
    border-radius: 16px;
    margin: 32px auto 48px;
    max-width: 800px;
    text-align: center;
    font-weight: 500;
    position: relative;
    overflow: hidden;
}

.security-notice::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--error);
}

.security-notice strong {
    color: var(--error);
}

.links-section {
    margin-bottom: 120px;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 32px;
    margin-top: 56px;
}

.link-card {
    background-color: var(--card-bg);
    border-radius: 20px;
    padding: 32px;
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    will-change: transform, border-color, box-shadow;
}

.link-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.link-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 24px 48px var(--hover-shadow);
}

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

.link-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.link-badge {
    font-family: 'Space Grotesk', monospace;
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    background-color: rgba(60, 190, 242, 0.08);
    padding: 6px 16px;
    border-radius: 100px;
    letter-spacing: 0.3px;
}

.link-latency {
    font-size: 13px;
    color: var(--success);
    font-weight: 500;
    opacity: 0.9;
}

.link-url {
    font-family: 'SF Mono', 'Roboto Mono', monospace;
    font-size: 17px;
    color: var(--primary-text);
    margin-bottom: 28px;
    line-height: 1.5;
    padding: 20px;
    background-color: var(--surface);
    border-radius: 12px;
    word-break: break-all;
    border: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.link-url:hover {
    border-color: var(--border);
}

.link-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copy-btn {
    font-family: 'Space Grotesk', monospace;
    background-color: var(--accent);
    color: var(--primary-bg);
    border: none;
    padding: 12px 28px;
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    letter-spacing: 0.3px;
    will-change: transform, background-color;
}

.copy-btn:hover {
    background-color: #30a8d8;
    transform: translateY(-1px);
}

.copy-btn:active {
    transform: translateY(0);
}

.verified-badge {
    font-size: 13px;
    color: var(--success);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.verified-badge::before {
    content: '✓';
    font-size: 14px;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 40px;
    color: var(--primary-text);
    opacity: 0.4;
    font-size: 18px;
    border: 2px dashed var(--border);
    border-radius: 20px;
    background-color: var(--surface);
}

.verification-section {
    margin-bottom: 120px;
}

.verification-box {
    max-width: 800px;
    margin: 0 auto;
    background-color: var(--card-bg);
    border-radius: 24px;
    padding: 56px 48px;
    border: 1px solid var(--border);
    box-shadow: 0 16px 32px var(--shadow);
}

.input-group {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    margin-bottom: 32px;
}

.verification-input {
    padding: 20px 24px;
    font-size: 17px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-family: 'Inter', sans-serif;
    transition: all 0.2s ease;
    background-color: var(--primary-bg);
    color: var(--primary-text);
}

.verification-input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(60, 190, 242, 0.1);
}

.verify-btn {
    font-family: 'Space Grotesk', monospace;
    background-color: var(--primary-text);
    color: var(--primary-bg);
    border: none;
    padding: 0 40px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.verify-btn:hover {
    background-color: var(--accent);
    transform: translateY(-1px);
}

.verify-btn:active {
    transform: translateY(0);
}

.validation-result {
    padding: 20px 24px;
    border-radius: 12px;
    font-weight: 500;
    font-size: 17px;
    display: none;
    margin-bottom: 32px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.validation-result.success {
    display: block;
    background: linear-gradient(135deg, rgba(0, 168, 89, 0.05) 0%, rgba(0, 168, 89, 0.02) 100%);
    border: 1px solid rgba(0, 168, 89, 0.2);
    color: var(--success);
}

.validation-result.error {
    display: block;
    background: linear-gradient(135deg, rgba(255, 51, 102, 0.05) 0%, rgba(255, 51, 102, 0.02) 100%);
    border: 1px solid rgba(255, 51, 102, 0.2);
    color: var(--error);
}

.verification-tips {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 32px;
    margin-top: 40px;
}

.verification-tips h3 {
    font-family: 'Space Grotesk', monospace;
    color: var(--primary-text);
    margin-bottom: 20px;
    font-size: 20px;
    font-weight: 600;
}

.verification-tips ul {
    list-style: none;
}

.verification-tips li {
    margin-bottom: 12px;
    padding-left: 28px;
    position: relative;
    color: var(--primary-text);
    opacity: 0.7;
}

.verification-tips li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
}

.guide-section {
    margin-bottom: 120px;
}

.guide-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-top: 56px;
}

.guide-card {
    background-color: var(--card-bg);
    border-radius: 20px;
    padding: 40px 32px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
    position: relative;
    overflow: hidden;
}

.guide-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.guide-card:hover {
    border-color: var(--accent);
}

.guide-card:hover::after {
    opacity: 1;
}

.guide-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
    line-height: 1.3;
}

.guide-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
    margin-bottom: 16px;
}

.security-section {
    margin-bottom: 120px;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin: 56px 0;
}

.security-card {
    background-color: var(--card-bg);
    border-radius: 20px;
    padding: 40px 32px;
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.security-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

.security-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
}

.security-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
}

.disclaimer {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 48px 40px;
    margin-top: 64px;
    position: relative;
}

.disclaimer::before {
    content: '⚠';
    position: absolute;
    top: -20px;
    left: 40px;
    background-color: var(--primary-bg);
    padding: 0 16px;
    font-size: 24px;
    color: var(--error);
}

.disclaimer h3 {
    font-family: 'Space Grotesk', monospace;
    color: var(--primary-text);
    margin-bottom: 20px;
    font-size: 22px;
    font-weight: 600;
}

.disclaimer p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.8;
}

.faq-section {
    margin-bottom: 120px;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
    margin-top: 56px;
}

.faq-item {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--border);
    transition: border-color 0.2s ease;
}

.faq-item:hover {
    border-color: var(--accent);
}

.faq-item h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 16px;
    line-height: 1.4;
}

.faq-item p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
    font-size: 15px;
}

.footer {
    padding: 80px 0 48px;
    border-top: 1px solid var(--border);
    text-align: center;
    background-color: var(--surface);
    margin-top: 80px;
    border-radius: 40px 40px 0 0;
}

.footer p {
    color: var(--primary-text);
    opacity: 0.7;
    margin-bottom: 32px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
    font-size: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 24px;
    font-size: 14px;
    color: var(--primary-text);
    opacity: 0.5;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.seo-footer {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.seo-footer p {
    font-size: 13px;
    color: var(--primary-text);
    opacity: 0.4;
    line-height: 1.5;
    font-weight: 400;
    letter-spacing: 0.3px;
}

.notification {
    position: fixed;
    top: 32px;
    right: 32px;
    background-color: var(--success);
    color: var(--primary-bg);
    padding: 18px 28px;
    border-radius: 12px;
    font-weight: 600;
    z-index: 10000;
    transform: translateX(calc(100% + 32px));
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 12px 32px rgba(0, 168, 89, 0.2);
    font-size: 15px;
    max-width: 320px;
}

.notification.show {
    transform: translateX(0);
}

@media (max-width: 968px) {
    .grid-container {
        padding: 0 20px;
    }
    
    .header {
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 24px;
        padding: 28px 0;
    }
    
    .navigation {
        justify-content: center;
        flex-wrap: wrap;
        gap: 24px;
    }
    
    .hero-title {
        font-size: 56px;
    }
    
    .hero-subtitle {
        font-size: 18px;
        padding: 0 20px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .link-card {
        padding: 28px 24px;
    }
    
    .verification-box {
        padding: 40px 32px;
    }
    
    .input-group {
        grid-template-columns: 1fr;
    }
    
    .verify-btn {
        padding: 18px;
    }
    
    .guide-content,
    .security-grid,
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    
    .hero-section {
        margin-bottom: 80px;
    }
    
    .links-section,
    .verification-section,
    .guide-section,
    .security-section,
    .faq-section {
        margin-bottom: 96px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 12px;
    }
    
    .notification {
        left: 20px;
        right: 20px;
        max-width: none;
        text-align: center;
    }
}

@media (max-width: 640px) {
    .grid-container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 42px;
    }
    
    .hero-subtitle {
        font-size: 17px;
        padding: 0;
    }
    
    .section-title {
        font-size: 32px;
    }
    
    .section-description {
        font-size: 16px;
        margin-bottom: 48px;
    }
    
    .link-url {
        font-size: 15px;
        padding: 16px;
    }
    
    .verification-input {
        font-size: 16px;
        padding: 18px 20px;
    }
    
    .verification-box {
        padding: 32px 24px;
    }
    
    .guide-card,
    .security-card {
        padding: 32px 24px;
    }
    
    .footer {
        padding: 64px 0 40px;
        margin-top: 64px;
    }
    
    .disclaimer {
        padding: 40px 24px;
    }
    
    .notification {
        top: 20px;
        left: 16px;
        right: 16px;
        padding: 16px 20px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --primary-bg: #0a0e14;
        --primary-text: #e6edf3;
        --accent: #3cbef2;
        --success: #2ea043;
        --error: #ff7b72;
        --border: rgba(230, 237, 243, 0.1);
        --shadow: rgba(60, 190, 242, 0.05);
        --hover-shadow: rgba(60, 190, 242, 0.08);
        --card-bg: #161b22;
        --surface: rgba(230, 237, 243, 0.03);
    }
    
    .hero-title {
        background: linear-gradient(135deg, var(--primary-text) 0%, var(--accent) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
}

.operations-section {
    margin-bottom: 80px;
}

.operations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.operation-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

.operation-card:hover {
    border-color: var(--accent);
}

.operation-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
}

.operation-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
}

.access-section {
    margin-bottom: 80px;
}

.access-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.access-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

.access-card:hover {
    border-color: var(--accent);
}

.access-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
}

.access-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
}

.protocols-section {
    margin-bottom: 80px;
}

.protocols-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.protocol-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border);
    text-align: center;
    transition: border-color 0.3s ease;
}

.protocol-card:hover {
    border-color: var(--accent);
}

.protocol-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
}

.protocol-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
}

.integration-section {
    margin-bottom: 80px;
}

.integration-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.integration-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

.integration-card:hover {
    border-color: var(--accent);
}

.integration-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
}

.integration-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
}

.performance-section {
    margin-bottom: 80px;
}

.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.metric-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border);
    text-align: center;
    transition: border-color 0.3s ease;
}

.metric-card:hover {
    border-color: var(--accent);
}

.metric-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
}

.metric-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
}

.maintenance-section {
    margin-bottom: 80px;
}

.maintenance-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.maintenance-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

.maintenance-card:hover {
    border-color: var(--accent);
}

.maintenance-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
}

.maintenance-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
}

.compliance-section {
    margin-bottom: 80px;
}

.compliance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.compliance-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border);
    text-align: center;
    transition: border-color 0.3s ease;
}

.compliance-card:hover {
    border-color: var(--accent);
}

.compliance-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
}

.compliance-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
}

.development-section {
    margin-bottom: 80px;
}

.development-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.development-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

.development-card:hover {
    border-color: var(--accent);
}

.development-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
}

.development-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
}

.technical-section {
    margin-bottom: 80px;
}

.technical-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.spec-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

.spec-card:hover {
    border-color: var(--accent);
}

.spec-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 20px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
}

.spec-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
}

.connectivity-section {
    margin-bottom: 80px;
}

.connectivity-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.connectivity-card {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 35px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

.connectivity-card:hover {
    border-color: var(--accent);
}

.connectivity-card h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 22px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 20px;
}

.connectivity-card p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
}

.verification-faq {
    margin-bottom: 80px;
}

.verification-faq .faq-grid {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.verification-faq .faq-item {
    background-color: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    border: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

.verification-faq .faq-item:hover {
    border-color: var(--accent);
}

.verification-faq .faq-item h3 {
    font-family: 'Space Grotesk', monospace;
    font-size: 18px;
    font-weight: 600;
    color: var(--primary-text);
    margin-bottom: 16px;
    line-height: 1.4;
}

.verification-faq .faq-item p {
    color: var(--primary-text);
    opacity: 0.7;
    line-height: 1.7;
    font-size: 15px;
}

@media (max-width: 768px) {
    .operations-grid,
    .access-content,
    .protocols-grid,
    .integration-content,
    .performance-grid,
    .maintenance-content,
    .compliance-grid,
    .development-content,
    .technical-grid,
    .connectivity-content,
    .verification-faq .faq-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .operation-card,
    .access-card,
    .protocol-card,
    .integration-card,
    .metric-card,
    .maintenance-card,
    .compliance-card,
    .development-card,
    .spec-card,
    .connectivity-card,
    .verification-faq .faq-item {
        padding: 25px;
    }
    
    .operations-section,
    .access-section,
    .protocols-section,
    .integration-section,
    .performance-section,
    .maintenance-section,
    .compliance-section,
    .development-section,
    .technical-section,
    .connectivity-section,
    .verification-faq {
        margin-bottom: 60px;
    }
}

@media (max-width: 480px) {
    .operation-card h3,
    .access-card h3,
    .integration-card h3,
    .metric-card h3,
    .maintenance-card h3,
    .compliance-card h3,
    .development-card h3,
    .connectivity-card h3 {
        font-size: 20px;
    }
    
    .protocol-card h3,
    .spec-card h3 {
        font-size: 18px;
    }
    
    .operation-card p,
    .access-card p,
    .protocol-card p,
    .integration-card p,
    .metric-card p,
    .maintenance-card p,
    .compliance-card p,
    .development-card p,
    .spec-card p,
    .connectivity-card p {
        font-size: 14px;
    }
    
    .verification-faq .faq-item h3 {
        font-size: 16px;
    }
    
    .verification-faq .faq-item p {
        font-size: 14px;
    }
}