.hero {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 2.5rem;
     align-items: center;
     margin-bottom: 3rem;
 }
 
 .hero__badge-row {
     display: flex;
     gap: 0.5rem;
     flex-wrap: wrap;
     margin-bottom: 1rem;
 }
 
 .hero__cta {
     display: flex;
     gap: 1rem;
     flex-wrap: wrap;
 }
 
 .hero__cta a {
     padding: 0.65rem 1.25rem;
     border-radius: 8px;
     border: 1px solid var(--color-border);
     background: var(--color-bg-muted);
 }
 
 .section {
     margin-bottom: 3.5rem;
 }
 
 .section__header {
     display: flex;
     justify-content: space-between;
     align-items: baseline;
     margin-bottom: 1.75rem;
 }
 
.section__title {
    font-size: 1.4rem;
    font-weight: 600;
}

.heatmap-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.heatmap-controls select {
    padding-right: 2.5rem;
    background-image: linear-gradient(45deg, transparent 49%, rgba(201, 209, 217, 0.5) 50%), linear-gradient(135deg, rgba(201, 209, 217, 0.5) 50%, transparent 51%);
    background-position: calc(100% - 18px) calc(50% - 3px), calc(100% - 12px) calc(50% - 3px);
    background-size: 6px 6px;
    background-repeat: no-repeat;
}

.heatmap-controls select:focus-visible {
    background-image: linear-gradient(45deg, transparent 49%, #58a6ff 50%), linear-gradient(135deg, #58a6ff 50%, transparent 51%);
}

 .grid {
     display: grid;
     gap: 1.5rem;
 }
 
 .stats-grid {
     grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
 }
 
 .activity-feed {
     display: grid;
     gap: 1.25rem;
 }
 
 .activity-feed__item {
     display: grid;
     grid-template-columns: auto 1fr;
     gap: 1rem;
     align-items: start;
 }
 
 .activity-feed__icon {
     width: 32px;
     height: 32px;
     border-radius: 50%;
     background: rgba(47, 129, 247, 0.2);
     display: grid;
     place-items: center;
     color: var(--color-accent);
 }
 
 .activity-feed__details span {
     display: block;
     color: var(--color-text-muted);
     font-size: 0.85rem;
     margin-top: 0.35rem;
 }
 
 .project-grid {
     grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
 }
 
 .filters {
     display: flex;
     flex-wrap: wrap;
     gap: 0.75rem;
 }
 
.filters button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
    background: var(--color-bg-muted);
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
}
 
 .filters button.is-active {
     color: var(--color-text);
     border-color: var(--color-accent);
     background: rgba(47, 129, 247, 0.2);
 }

.summary-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    margin-top: 1.75rem;
}

.summary-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.summary-card__value {
    font-size: 2rem;
    font-weight: 600;
}

.summary-card__label {
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

.summary-card__meta {
    color: rgba(88, 166, 255, 0.8);
    font-size: 0.8rem;
}
 
.contact-directory {
    margin-bottom: 1.75rem;
}

.contact-directory__list li strong {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
}

.contact-directory__list li span {
    margin-top: 0.25rem;
    font-size: 0.95rem;
}

.contact-directory__list a {
    color: var(--color-text);
}

.contact-directory__list a:hover,
.contact-directory__list a:focus-visible {
    color: #58a6ff;
}

 .split {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
     gap: 2rem;
 }
 
 .contributions-summary {
     display: flex;
     flex-direction: column;
     gap: 1.5rem;
 }
 
 .contributions-legend {
     display: flex;
     gap: 0.35rem;
     align-items: center;
     font-size: 0.75rem;
     color: var(--color-text-muted);
 }
 
 .contributions-legend span {
     width: 14px;
     height: 14px;
     border-radius: 2px;
     display: inline-block;
 }
 
 footer {
     margin-top: 4rem;
     padding-top: 2.5rem;
     border-top: 1px solid var(--color-border);
     color: var(--color-text-muted);
     font-size: 0.85rem;
 }
 
@media (max-width: 1024px) {
    .page__content {
        padding: 2.25rem;
    }

    .section {
        margin-bottom: 3rem;
    }

    .hero {
        grid-template-columns: 1fr;
    }

    .repo-list {
        gap: 1.25rem;
    }
}

@media (max-width: 820px) {
    .section__header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .filters {
        gap: 0.5rem;
    }
}

@media (max-width: 640px) {
    .page__header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .hero {
        gap: 1.5rem;
    }

    .hero__cta {
        width: 100%;
    }

    .hero__cta a {
        width: 100%;
        text-align: center;
    }

    .filters {
        width: 100%;
        flex-direction: column;
    }

    .filters button {
        width: 100%;
    }

    .repo-list,
    .stats-grid,
    .summary-grid {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 1.25rem;
    }
}

@media (max-width: 520px) {
    .page__content {
        padding: 1.75rem 1.5rem;
    }

    .section {
        margin-bottom: 2.5rem;
    }

    .hero__badge-row {
        gap: 0.35rem;
    }

    .hero__cta {
        gap: 0.75rem;
    }
}