:root {
    --bg-color: #000000;
    --card-bg: #0a0a0a;
    --dot-empty: #1c1c1e;
    --dot-filled: #30d158;
    /* Apple green */
    --dot-glow: rgba(48, 209, 88, 0.4);
    --text-color: #86868b;
    --text-highlight: #ffffff;
    --card-border: #1d1d1f;
}

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

/* ... existing resets ... */

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    display: flex;
    flex-direction: column;
    /* Stack card and link */
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 40px;
    gap: 32px;
    /* Space between card and link */
    -webkit-font-smoothing: antialiased;
}

.github-link {
    color: var(--text-color);
    opacity: 0.4;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.github-link:hover {
    opacity: 1;
    color: var(--text-highlight);
    transform: scale(1.1);
}

.github-link svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}

.card {
    background: var(--card-bg);
    width: 100%;
    max-width: 1100px;
    /* Huge increase from 420px */
    border-radius: 32px;
    /* Larger radius */
    padding: 48px;
    /* Larger padding */
    position: relative;
    border: 1px solid var(--card-border);
    box-shadow:
        0 0 0 1px rgba(255, 255, 255, 0.05) inset,
        0 40px 80px rgba(0, 0, 0, 0.5);
    /* deeper shadow */
}

/* Soft inner glow effect */
.card::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 32px;
    pointer-events: none;
    box-shadow: inset 0 0 80px rgba(255, 255, 255, 0.02);
}

/* Month Grid Container */
.year-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    /* Responsive columns */
    gap: 32px;
    margin-bottom: 48px;
}

.month-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.month-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-highlight);
    opacity: 0.4;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.month-dots {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    /* slightly larger gap */
}

.dot {
    width: 8px;
    /* Larger dots */
    height: 8px;
    background-color: var(--dot-empty);
    border-radius: 50%;
    transition: all 0.5s ease;
}

.dot.filled {
    background-color: var(--dot-filled);
    box-shadow: 0 0 10px var(--dot-glow);
}

.footer {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    font-size: 16px;
    /* Larger text */
    font-weight: 500;
    color: var(--text-color);
    letter-spacing: -0.01em;
    position: relative;
    z-index: 2;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    /* Subtle separator */
}

.footer-item.year {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-highlight);
    opacity: 1;
}

.footer-item.label {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    text-transform: lowercase;
    opacity: 0.5;
    font-weight: 400;
    font-size: 14px;
}

.footer-item.val {
    color: var(--text-highlight);
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ... existing hover ... */
.card:hover {
    border-color: #3a3a3c;
}

@media (max-width: 768px) {
    .year-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 480px) {
    .year-grid {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 24px;
    }
}