.rr-hub-hero {
    padding: clamp(2rem, 4vw, 3.5rem) 0 clamp(4rem, 7vw, 6rem);
}

.rr-hub-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(310px, 0.55fr);
    gap: clamp(2.5rem, 6vw, 5.5rem);
    align-items: start;
}

.rr-hub-hero__takeaway {
    max-width: 900px;
    margin: var(--rr-space-6) 0 0;
    color: var(--rr-color-heading);
    font-size: clamp(1.2rem, 2vw, 1.5rem);
    font-weight: 850;
    line-height: 1.5;
}

.rr-hub-hero__summary {
    max-width: 850px;
    margin-top: var(--rr-space-5);
}

.rr-hub-hero__actions {
    margin-top: var(--rr-space-8);
}

.rr-hub-summary {
    padding: var(--rr-space-6);
    border: 1px solid rgba(24, 189, 242, 0.45);
    border-radius: var(--rr-radius-xl);
    background:
        radial-gradient(
            circle at 100% 0%,
            rgba(24, 189, 242, 0.15),
            transparent 38%
        ),
        rgba(255, 255, 255, 0.97);
    box-shadow: var(--rr-shadow-lg);
}

.rr-hub-summary dl {
    display: grid;
    gap: var(--rr-space-3);
    margin: var(--rr-space-5) 0 0;
}

.rr-hub-summary dl div {
    padding: var(--rr-space-4);
    border: 1px solid var(--rr-color-border);
    border-radius: var(--rr-radius-sm);
    background: var(--rr-color-background);
}

.rr-hub-summary dt {
    color: var(--rr-color-muted);
    font-size: var(--rr-font-size-xs);
    font-weight: 850;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.rr-hub-summary dd {
    margin: var(--rr-space-1) 0 0;
    color: var(--rr-color-heading);
    font-weight: 900;
}

.rr-hub-asset-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--rr-space-5);
}

.rr-hub-asset-card {
    display: flex;
    flex-direction: column;
    min-height: 100%;
    padding: var(--rr-space-6);
    border: 1px solid var(--rr-color-border);
    border-radius: var(--rr-radius-lg);
    background: var(--rr-color-white);
    box-shadow: var(--rr-shadow-sm);
    text-decoration: none;
    transition:
        transform var(--rr-transition),
        border-color var(--rr-transition),
        box-shadow var(--rr-transition);
}

.rr-hub-asset-card:hover {
    border-color: var(--rr-color-cyan-500);
    box-shadow: var(--rr-shadow-md);
    transform: translateY(-3px);
}

.rr-hub-asset-card__type {
    color: var(--rr-color-blue-700);
    font-size: var(--rr-font-size-xs);
    font-weight: 900;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.rr-hub-asset-card h3 {
    margin: var(--rr-space-3) 0 0;
    color: var(--rr-color-heading);
    font-size: 1.28rem;
    line-height: 1.25;
}

.rr-hub-asset-card p {
    flex: 1;
    margin: var(--rr-space-4) 0 0;
    color: var(--rr-color-muted);
}

.rr-hub-asset-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--rr-space-2);
    margin-top: var(--rr-space-5);
}

.rr-hub-asset-card__meta span {
    padding: 0.35rem 0.6rem;
    border-radius: var(--rr-radius-pill);
    color: var(--rr-color-blue-700);
    background: var(--rr-color-surface-soft);
    font-size: var(--rr-font-size-xs);
    font-weight: 800;
}

.rr-hub-asset-card > strong {
    margin-top: var(--rr-space-6);
    color: var(--rr-color-blue-700);
}

.rr-hub-principle-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--rr-space-5);
}

.rr-hub-principle-grid article {
    padding: var(--rr-space-6);
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: var(--rr-radius-lg);
    background: rgba(255, 255, 255, 0.07);
}

.rr-hub-principle-grid h3 {
    margin: 0;
    color: var(--rr-color-white);
    font-size: 1.15rem;
}

.rr-hub-principle-grid p {
    margin: var(--rr-space-3) 0 0;
    color: rgba(255, 255, 255, 0.68);
}

.rr-hub-planned-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--rr-space-5);
}

.rr-hub-planned-grid article {
    padding: var(--rr-space-6);
    border: 1px dashed rgba(18, 63, 196, 0.25);
    border-radius: var(--rr-radius-lg);
    background: rgba(255, 255, 255, 0.65);
}

.rr-hub-planned-grid span,
.rr-hub-planned-grid small {
    color: var(--rr-color-blue-700);
    font-size: var(--rr-font-size-xs);
    font-weight: 900;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.rr-hub-planned-grid h3 {
    margin: var(--rr-space-3) 0 0;
    color: var(--rr-color-heading);
}

.rr-hub-planned-grid p {
    margin: var(--rr-space-3) 0 var(--rr-space-5);
    color: var(--rr-color-muted);
}

@media (max-width: 980px) {
    .rr-hub-hero__grid {
        grid-template-columns: 1fr;
    }

    .rr-hub-summary {
        max-width: 700px;
    }

    .rr-hub-asset-grid,
    .rr-hub-principle-grid,
    .rr-hub-planned-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .rr-hub-asset-grid,
    .rr-hub-principle-grid,
    .rr-hub-planned-grid {
        grid-template-columns: 1fr;
    }
}