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

:root {
    --bg: #0a0c12;
    --dark: #303948;
    --text: #e0e4eb;
    --accent: #3cbef2;
    --light: #ffffff;
    --border: #2a3344;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.75;
    font-size: 16px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

header {
    background-color: var(--dark);
    border-bottom: 1px solid #252d3a;
    padding: 18px 5%;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.header-content {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.logo img {
    display: block;
    height: 60px;
    width: auto;
}

.mirror-links {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.mirror-links .label {
    color: var(--accent);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    white-space: nowrap;
}

.mirror {
    color: #9ba8c0;
    text-decoration: none;
    font-family: ui-monospace, monospace;
    font-size: 0.92rem;
    transition: color 0.2s ease;
}

.mirror:hover {
    color: var(--accent);
}

main {
    flex: 1;
    max-width: 1140px;
    margin: 0 auto;
    padding: 50px 5% 80px;
    width: 100%;
}

.timeline-section {
    position: relative;
    padding-left: 58px;
    margin-bottom: 72px;
}

.timeline-section:last-of-type {
    margin-bottom: 40px;
}

.timeline-dot {
    position: absolute;
    left: 0;
    top: 24px;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border: 4px solid var(--dark);
    border-radius: 50%;
    box-shadow: 0 0 0 6px rgba(60, 190, 242, 0.12);
    z-index: 2;
}

.timeline-section::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 42px;
    bottom: -80px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent) 70%, transparent);
}

.timeline-section:last-of-type::before {
    display: none;
}

.content h1 {
    font-size: 2.9rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1.4px;
    color: var(--light);
    margin-bottom: 12px;
}

.content h2 {
    font-size: 1.72rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 18px;
    letter-spacing: -0.3px;
}

.subtitle {
    font-size: 1.22rem;
    color: #9ba8c0;
    max-width: 820px;
    margin-bottom: 32px;
}

.warning {
    background: rgba(60, 190, 242, 0.07);
    border-left: 5px solid var(--accent);
    padding: 18px 22px;
    margin: 28px 0 36px;
    font-size: 0.98rem;
    color: #b0c4e0;
    border-radius: 4px;
}

.image-container {
    background-color: #161b27;
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 10px;
    margin: 26px 0 24px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(60, 190, 242, 0.1);
}

.image-container img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
}

.description {
    color: #b8c5d9;
    font-size: 1.08rem;
    max-width: 780px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.info-item {
    background-color: #161b27;
    padding: 18px 22px;
    border-radius: 8px;
    border: 1px solid var(--border);
    font-size: 1.02rem;
}

.info-item strong {
    color: var(--accent);
    font-weight: 600;
}

.wallet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 26px;
    margin-top: 18px;
}

.wallet-card {
    background-color: #161b27;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 22px;
    transition: all 0.35s ease;
}

.wallet-card:hover {
    border-color: var(--accent);
    transform: translateY(-6px);
}

.wallet-card .image-container {
    margin-bottom: 18px;
}

.wallet-card h3 {
    color: var(--accent);
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.final-note {
    background-color: #161b27;
    border: 1px solid rgba(60, 190, 242, 0.4);
    padding: 42px 36px;
    border-radius: 12px;
    text-align: center;
    max-width: 860px;
    margin: 40px auto 0;
}

.final-note h2 {
    color: var(--accent);
    margin-bottom: 22px;
    font-size: 1.85rem;
}

.final-note p {
    margin-bottom: 18px;
    font-size: 1.09rem;
    color: #c5d2eb;
}

footer {
    background-color: var(--dark);
    text-align: center;
    padding: 28px 5%;
    color: #75839f;
    font-size: 0.93rem;
    margin-top: auto;
    border-top: 1px solid #252d3a;
}

/* Responsive Design */
@media (max-width: 820px) {
    .timeline-section {
        padding-left: 42px;
    }
    
    .timeline-dot {
        width: 16px;
        height: 16px;
        top: 20px;
    }
    
    .content h1 {
        font-size: 2.45rem;
    }
    
    .content h2 {
        font-size: 1.55rem;
    }
    
    .wallet-grid {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    main {
        padding: 40px 5% 60px;
    }
}

@media (max-width: 480px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 18px;
    }
    
    .mirror-links {
        justify-content: center;
    }
}

.image-container img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
}

.description {
    color: #b8c5d9;
    font-size: 1.08rem;
    max-width: 780px;
    margin-bottom: 1.1rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.info-item {
    background-color: #161b27;
    padding: 18px 22px;
    border-radius: 8px;
    border: 1px solid #2a3344;
    font-size: 1.02rem;
}

.info-item strong {
    color: #3cbef2;
    font-weight: 600;
}

.wallet-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 26px;
    margin-top: 18px;
}

.wallet-card {
    background-color: #161b27;
    border: 1px solid #2a3344;
    border-radius: 10px;
    padding: 22px;
    transition: all 0.35s ease;
}

.wallet-card:hover {
    border-color: #3cbef2;
    transform: translateY(-6px);
}

.wallet-card .image-container {
    margin-bottom: 18px;
}

.wallet-card h3 {
    color: #3cbef2;
    font-size: 1.4rem;
    margin-bottom: 10px;
}

.final-note {
    background-color: #161b27;
    border: 1px solid rgba(60, 190, 242, 0.4);
    padding: 42px 36px;
    border-radius: 12px;
    text-align: center;
    max-width: 860px;
    margin: 40px auto 0;
}

.final-note h2 {
    color: #3cbef2;
    margin-bottom: 22px;
    font-size: 1.85rem;
}

.final-note p {
    margin-bottom: 18px;
    font-size: 1.09rem;
    color: #c5d2eb;
}

.timeline-section {
    position: relative;
    padding-left: 58px;
    margin-bottom: 72px;
}

.timeline-section:last-of-type {
    margin-bottom: 40px;
}

.timeline-dot {
    position: absolute;
    left: 0;
    top: 24px;
    width: 20px;
    height: 20px;
    background: #3cbef2;
    border: 4px solid #303948;
    border-radius: 50%;
    box-shadow: 0 0 0 6px rgba(60, 190, 242, 0.12);
    z-index: 2;
}

.timeline-section::before {
    content: '';
    position: absolute;
    left: 9px;
    top: 42px;
    bottom: -80px;
    width: 2px;
    background: linear-gradient(to bottom, #3cbef2 70%, transparent);
}

.timeline-section:last-of-type::before {
    display: none;
}

.content h1 {
    font-size: 2.9rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1.4px;
    color: #ffffff;
    margin-bottom: 12px;
}

.content h2 {
    font-size: 1.72rem;
    font-weight: 600;
    color: #3cbef2;
    margin-bottom: 18px;
    letter-spacing: -0.3px;
}

.subtitle {
    font-size: 1.22rem;
    color: #9ba8c0;
    max-width: 820px;
    margin-bottom: 32px;
}

.warning {
    background: rgba(60, 190, 242, 0.07);
    border-left: 5px solid #3cbef2;
    padding: 18px 22px;
    margin: 28px 0 36px;
    font-size: 0.98rem;
    color: #b0c4e0;
    border-radius: 4px;
}

.image-container {
    background-color: #161b27;
    border: 1px solid #2a3344;
    padding: 16px;
    border-radius: 10px;
    margin: 26px 0 24px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.image-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 50px rgba(60, 190, 242, 0.1);
}

/* Schema & SEO friendly micro-adjustments */
h1, h2 {
    scroll-margin-top: 80px;
}

main {
    counter-reset: section;
}

.timeline-section h2::before {
    counter-increment: section;
    content: "0" counter(section) " • ";
    color: #3cbef2;
    font-weight: 500;
    margin-right: 8px;
    opacity: 0.85;
}

/* Mobile optimizations - keep lightweight */
@media (max-width: 820px) {
    .timeline-section {
        padding-left: 42px;
    }
    
    .timeline-dot {
        width: 16px;
        height: 16px;
        top: 20px;
    }
    
    .content h1 {
        font-size: 2.45rem;
    }
    
    .content h2 {
        font-size: 1.55rem;
    }
    
    .wallet-grid {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .header-content {
        flex-direction: column;
        text-align: center;
        gap: 18px;
    }
    
    .mirror-links {
        justify-content: center;
    }
}