.rr-ka-hero {
    padding: clamp(1.5rem, 3vw, 2.5rem) 0 clamp(3rem, 6vw, 5rem);
}

.rr-ka-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(310px, 0.55fr);
    gap: clamp(2.5rem, 6vw, 5.5rem);
    align-items: start;
}

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

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

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

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

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

.rr-ka-toc {
    border-block: 1px solid var(--rr-color-border);
    background: rgba(255, 255, 255, 0.94);
}

.rr-ka-toc .rr-container {
    padding-block: var(--rr-space-6);
}

.rr-ka-toc p {
    margin: 0 0 var(--rr-space-4);
    color: var(--rr-color-muted);
    font-size: var(--rr-font-size-xs);
    font-weight: 900;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.rr-ka-toc ol {
    display: flex;
    flex-wrap: wrap;
    gap: var(--rr-space-3);
    margin: 0;
    padding: 0;
    list-style: none;
}

.rr-ka-toc a {
    display: inline-flex;
    gap: var(--rr-space-2);
    align-items: center;
    padding: 0.65rem 0.85rem;
    border: 1px solid var(--rr-color-border);
    border-radius: var(--rr-radius-pill);
    color: var(--rr-color-heading);
    background: var(--rr-color-white);
    font-size: var(--rr-font-size-sm);
    font-weight: 800;
    text-decoration: none;
}

.rr-ka-toc a:hover {
    border-color: var(--rr-color-cyan-500);
}

.rr-ka-toc a span {
    color: var(--rr-color-blue-700);
    font-size: var(--rr-font-size-xs);
}

.rr-ka-chapter {
    scroll-margin-top: calc(var(--rr-header-height) + 1rem);
}

.rr-ka-chapter__heading {
    max-width: 940px;
    margin-bottom: clamp(2.4rem, 5vw, 3.8rem);
}

.rr-ka-chapter__takeaway {
    margin: var(--rr-space-5) 0 0;
    color: var(--rr-color-heading);
    font-size: clamp(1.12rem, 1.8vw, 1.3rem);
    font-weight: 800;
    line-height: 1.55;
}

.rr-ka-chapter__takeaway--inverse {
    color: rgba(255, 255, 255, 0.8);
}

.rr-ka-chapter__heading .rr-body-large {
    margin-top: var(--rr-space-5);
}

.rr-ka-flow {
    position: relative;
    display: grid;
    gap: var(--rr-space-3);
}

.rr-ka-flow::before {
    position: absolute;
    top: 2rem;
    bottom: 2rem;
    left: 2.25rem;
    width: 2px;
    background: linear-gradient(
        var(--rr-color-blue-700),
        var(--rr-color-cyan-500)
    );
    content: "";
    opacity: 0.22;
}

.rr-ka-flow article {
    position: relative;
    display: grid;
    grid-template-columns: 3.4rem minmax(0, 1fr);
    gap: var(--rr-space-4);
    padding: var(--rr-space-5);
    border: 1px solid var(--rr-color-border);
    border-radius: var(--rr-radius-md);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--rr-shadow-sm);
}

.rr-ka-flow article > span {
    width: 2.85rem;
    height: 2.85rem;
    display: grid;
    z-index: 1;
    place-items: center;
    border-radius: var(--rr-radius-sm);
    color: var(--rr-color-white);
    background: linear-gradient(
        135deg,
        var(--rr-color-blue-700),
        var(--rr-color-cyan-500)
    );
    font-size: var(--rr-font-size-xs);
    font-weight: 900;
}

.rr-ka-flow h3,
.rr-ka-card-grid h3 {
    margin: 0;
    color: var(--rr-color-heading);
    font-size: 1.08rem;
}

.rr-ka-flow p,
.rr-ka-card-grid p {
    margin: var(--rr-space-2) 0 0;
    color: var(--rr-color-muted);
}

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

.rr-ka-card-grid article {
    padding: var(--rr-space-6);
    border: 1px solid var(--rr-color-border);
    border-radius: var(--rr-radius-lg);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--rr-shadow-sm);
}

.rr-ka-chapter--inverse .rr-ka-card-grid article {
    border-color: rgba(255, 255, 255, 0.13);
    background: rgba(255, 255, 255, 0.07);
}

.rr-ka-chapter--inverse .rr-ka-card-grid h3 {
    color: var(--rr-color-white);
}

.rr-ka-chapter--inverse .rr-ka-card-grid p {
    color: rgba(255, 255, 255, 0.66);
}

.rr-ka-callout {
    display: grid;
    grid-template-columns: minmax(190px, 0.3fr) minmax(0, 1fr);
    gap: var(--rr-space-6);
    margin-top: var(--rr-space-8);
    padding: var(--rr-space-6);
    border-left: 4px solid var(--rr-color-cyan-500);
    border-radius: 0 var(--rr-radius-md) var(--rr-radius-md) 0;
    background: rgba(24, 189, 242, 0.08);
}

.rr-ka-callout strong {
    color: var(--rr-color-heading);
}

.rr-ka-callout p {
    margin: 0;
    color: var(--rr-color-muted);
}

.rr-ka-callout--inverse {
    border-left-color: var(--rr-color-cyan-300);
    background: rgba(255, 255, 255, 0.08);
}

.rr-ka-callout--inverse strong {
    color: var(--rr-color-white);
}

.rr-ka-callout--inverse p {
    color: rgba(255, 255, 255, 0.72);
}

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

.rr-ka-related__grid a {
    display: flex;
    flex-direction: column;
    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-ka-related__grid a:hover {
    border-color: var(--rr-color-cyan-500);
    box-shadow: var(--rr-shadow-md);
    transform: translateY(-3px);
}

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

.rr-ka-related__grid strong {
    margin-top: var(--rr-space-3);
    color: var(--rr-color-heading);
    font-size: 1.2rem;
}

.rr-ka-related__grid p {
    margin: var(--rr-space-3) 0 0;
    color: var(--rr-color-muted);
}

.rr-ka-related__grid small {
    margin-top: auto;
    padding-top: var(--rr-space-6);
    color: var(--rr-color-blue-700);
    font-weight: 850;
}

.rr-ka-roadmap__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--rr-space-4);
}

.rr-ka-roadmap__grid article {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: var(--rr-space-4);
    padding: var(--rr-space-5);
    border: 1px solid var(--rr-color-border);
    border-radius: var(--rr-radius-md);
    background: var(--rr-color-white);
}

.rr-ka-roadmap__grid span {
    color: var(--rr-color-cyan-500);
    font-size: 1.4rem;
    font-weight: 1000;
}

.rr-ka-roadmap__grid p {
    margin: 0;
    color: var(--rr-color-text);
}

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

    .rr-ka-identity {
        max-width: 700px;
    }

    .rr-ka-card-grid,
    .rr-ka-related__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 680px) {
    .rr-ka-card-grid,
    .rr-ka-related__grid,
    .rr-ka-roadmap__grid {
        grid-template-columns: 1fr;
    }

    .rr-ka-callout {
        grid-template-columns: 1fr;
    }

    .rr-ka-flow article {
        grid-template-columns: 3rem minmax(0, 1fr);
        padding: var(--rr-space-4);
    }

    .rr-ka-flow::before {
        left: 1.95rem;
    }

    .rr-ka-toc ol {
        display: grid;
    }

    .rr-ka-toc a {
        width: 100%;
    }
}