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

.rr-chapter-heading {
    max-width: 940px;
    margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.rr-chapter-number {
    margin: 0 0 0.4rem;
    color: var(--rr-color-muted);
    font-size: var(--rr-font-size-xs);
    font-weight: 900;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.rr-chapter-number--inverse {
    color: rgba(255, 255, 255, 0.5);
}

.rr-chapter-takeaway {
    max-width: 890px;
    margin: var(--rr-space-5) 0 0;
    color: var(--rr-color-text);
    font-size: clamp(1.12rem, 1.8vw, 1.3rem);
    font-weight: 750;
    line-height: 1.55;
}

.rr-chapter-takeaway--inverse {
    color: rgba(255, 255, 255, 0.78);
}

.rr-era-comparison {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--rr-space-6);
}

.rr-era-panel {
    padding: clamp(1.6rem, 3vw, 2.4rem);
    border: 1px solid var(--rr-color-border);
    border-radius: var(--rr-radius-xl);
    background: var(--rr-color-white);
    box-shadow: var(--rr-shadow-sm);
}

.rr-era-panel > p:last-child {
    margin: var(--rr-space-6) 0 0;
    color: var(--rr-color-muted);
}

.rr-era-panel--legacy {
    background:
        linear-gradient(135deg, rgba(94, 109, 136, 0.06), transparent 50%),
        var(--rr-color-white);
}

.rr-era-panel--modern {
    border-color: rgba(24, 189, 242, 0.45);
    background:
        radial-gradient(circle at 100% 0%, rgba(24, 189, 242, 0.13), transparent 35%),
        var(--rr-color-white);
    box-shadow: var(--rr-shadow-md);
}

.rr-linear-flow {
    display: flex;
    flex-wrap: wrap;
    gap: var(--rr-space-3);
    align-items: center;
    margin-top: var(--rr-space-8);
}

.rr-linear-flow span:not([aria-hidden]) {
    padding: 0.75rem 1rem;
    border: 1px solid var(--rr-color-border);
    border-radius: var(--rr-radius-pill);
    color: var(--rr-color-heading);
    background: var(--rr-color-background);
    font-weight: 850;
}

.rr-linear-flow span[aria-hidden] {
    color: var(--rr-color-muted);
    font-weight: 900;
}

.rr-signal-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: var(--rr-space-3);
    margin-top: var(--rr-space-8);
}

.rr-signal-cloud span {
    padding: 0.65rem 0.9rem;
    border: 1px solid rgba(24, 189, 242, 0.3);
    border-radius: var(--rr-radius-pill);
    color: var(--rr-color-blue-700);
    background: #f0f9ff;
    font-size: var(--rr-font-size-sm);
    font-weight: 850;
}

.rr-how-used {
    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-how-used strong {
    color: var(--rr-color-heading);
}

.rr-how-used p {
    margin: 0;
    color: var(--rr-color-muted);
}

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

.rr-how-used--inverse strong {
    color: var(--rr-color-white);
}

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

.rr-comparison-table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--rr-color-border);
    border-radius: var(--rr-radius-xl);
    background: var(--rr-color-white);
    box-shadow: var(--rr-shadow-md);
}

.rr-comparison-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

.rr-comparison-table th,
.rr-comparison-table td {
    padding: 1.15rem 1.25rem;
    border-bottom: 1px solid var(--rr-color-border);
    text-align: left;
    vertical-align: top;
}

.rr-comparison-table thead th {
    color: var(--rr-color-white);
    background: var(--rr-color-navy-900);
    font-size: var(--rr-font-size-sm);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.rr-comparison-table tbody th {
    width: 20%;
    color: var(--rr-color-heading);
}

.rr-comparison-table tbody td {
    color: var(--rr-color-muted);
}

.rr-comparison-table tbody tr:last-child th,
.rr-comparison-table tbody tr:last-child td {
    border-bottom: 0;
}

.rr-comparison-highlight {
    color: var(--rr-color-blue-700);
    font-weight: 850;
}

.rr-statement-panel {
    margin-top: var(--rr-space-8);
    padding: clamp(1.5rem, 4vw, 2.6rem);
    border: 1px solid rgba(24, 189, 242, 0.35);
    border-radius: var(--rr-radius-xl);
    background:
        radial-gradient(circle at 100% 0%, rgba(24, 189, 242, 0.13), transparent 38%),
        var(--rr-color-white);
    text-align: center;
    box-shadow: var(--rr-shadow-sm);
}

.rr-statement-panel p {
    max-width: 900px;
    margin: 0 auto;
    color: var(--rr-color-heading);
    font-size: clamp(1.25rem, 2vw, 1.55rem);
    font-weight: 850;
    line-height: 1.5;
}

.rr-intelligence-diagram {
    display: grid;
    grid-template-columns:
        minmax(210px, 1fr)
        auto
        minmax(260px, 0.9fr)
        auto
        minmax(210px, 1fr);
    gap: var(--rr-space-5);
    align-items: center;
}

.rr-diagram-label {
    margin: 0 0 var(--rr-space-4);
    color: rgba(255, 255, 255, 0.55);
    font-size: var(--rr-font-size-xs);
    font-weight: 900;
    letter-spacing: 0.08em;
    text-align: center;
    text-transform: uppercase;
}

.rr-diagram-stack {
    display: grid;
    gap: var(--rr-space-2);
}

.rr-diagram-stack span {
    padding: 0.65rem 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--rr-radius-sm);
    color: rgba(255, 255, 255, 0.82);
    background: rgba(255, 255, 255, 0.06);
    font-size: var(--rr-font-size-sm);
    font-weight: 750;
    text-align: center;
}

.rr-diagram-connector {
    color: var(--rr-color-cyan-300);
    font-size: 2rem;
    font-weight: 1000;
}

.rr-engine-core {
    position: relative;
    overflow: hidden;
    padding: 2.3rem 1.5rem;
    border: 1px solid rgba(118, 221, 255, 0.45);
    border-radius: 50%;
    color: var(--rr-color-white);
    background:
        radial-gradient(circle, rgba(24, 189, 242, 0.28), transparent 62%),
        rgba(255, 255, 255, 0.06);
    text-align: center;
    box-shadow:
        0 0 0 12px rgba(24, 189, 242, 0.04),
        0 0 60px rgba(24, 189, 242, 0.22);
}

.rr-engine-core small,
.rr-engine-core strong,
.rr-engine-core p {
    position: relative;
    z-index: 1;
    display: block;
}

.rr-engine-core small {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--rr-font-size-xs);
    font-weight: 850;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.rr-engine-core strong {
    margin-top: var(--rr-space-2);
    font-size: 2rem;
}

.rr-engine-core p {
    margin: var(--rr-space-3) 0 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--rr-font-size-xs);
}

.rr-engine-core__pulse {
    position: absolute;
    inset: 18%;
    border: 1px solid rgba(118, 221, 255, 0.5);
    border-radius: 50%;
}

.rr-lifecycle--connected {
    position: relative;
}

.rr-lifecycle--connected::before {
    position: absolute;
    top: 2rem;
    bottom: 2rem;
    left: 2.55rem;
    width: 2px;
    background: linear-gradient(
        var(--rr-color-blue-700),
        var(--rr-color-cyan-500)
    );
    content: "";
    opacity: 0.2;
}

.rr-lifecycle--connected .rr-lifecycle-step {
    position: relative;
}

.rr-capability-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--rr-space-5);
}

.rr-capability-card {
    position: relative;
    padding: var(--rr-space-6);
    border: 1px solid var(--rr-color-border);
    border-radius: var(--rr-radius-lg);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--rr-shadow-sm);
}

.rr-capability-card__index {
    display: inline-grid;
    min-width: 2.5rem;
    min-height: 2.5rem;
    place-items: center;
    margin-bottom: var(--rr-space-5);
    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-sm);
    font-weight: 900;
}

.rr-capability-card p {
    margin: var(--rr-space-4) 0 0;
    color: var(--rr-color-muted);
}

.rr-pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--rr-space-5);
}

.rr-price-card {
    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);
}

.rr-price-card--featured {
    border-color: var(--rr-color-cyan-500);
    box-shadow: var(--rr-shadow-md);
}

.rr-price-card__badge {
    align-self: flex-start;
    margin-bottom: var(--rr-space-4);
    padding: 0.4rem 0.65rem;
    border-radius: var(--rr-radius-pill);
    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;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.rr-price-card__price {
    margin: var(--rr-space-5) 0 0;
    color: var(--rr-color-heading);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 1000;
    letter-spacing: -0.04em;
}

.rr-price-card__price small {
    display: block;
    color: var(--rr-color-muted);
    font-size: var(--rr-font-size-xs);
    font-weight: 700;
    letter-spacing: 0;
}

.rr-price-card__description {
    margin: var(--rr-space-4) 0 0;
    color: var(--rr-color-muted);
}

.rr-price-card ul {
    flex: 1;
    margin: var(--rr-space-6) 0;
    padding-left: 1.2rem;
    color: var(--rr-color-muted);
}

.rr-price-card li + li {
    margin-top: var(--rr-space-2);
}

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

.rr-deployment-card {
    padding: var(--rr-space-6);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--rr-radius-lg);
    background: rgba(255, 255, 255, 0.07);
}

.rr-deployment-card p:last-child {
    margin: var(--rr-space-5) 0 0;
    color: rgba(255, 255, 255, 0.68);
}

.rr-enterprise-actions {
    margin-top: var(--rr-space-8);
}

@media (max-width: 1100px) {
    .rr-capability-grid,
    .rr-pricing-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .rr-intelligence-diagram {
        grid-template-columns: 1fr;
        max-width: 720px;
        margin-inline: auto;
    }

    .rr-diagram-connector {
        transform: rotate(90deg);
        text-align: center;
    }

    .rr-engine-core {
        width: min(100%, 340px);
        margin-inline: auto;
        border-radius: var(--rr-radius-xl);
    }
}

@media (max-width: 820px) {
    .rr-era-comparison,
    .rr-deployment-grid {
        grid-template-columns: 1fr;
    }

    .rr-how-used {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .rr-capability-grid,
    .rr-pricing-grid {
        grid-template-columns: 1fr;
    }

    .rr-linear-flow {
        align-items: stretch;
        flex-direction: column;
    }

    .rr-linear-flow span[aria-hidden] {
        transform: rotate(90deg);
        text-align: center;
    }

    .rr-comparison-table th,
    .rr-comparison-table td {
        padding: 0.9rem;
    }

    .rr-lifecycle--connected::before {
        left: 2.15rem;
    }
}

.rr-chapter-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--rr-space-3);
    margin-top: var(--rr-space-8);
}

.rr-chapter-actions--inverse .rr-button--secondary,
.rr-button--inverse {
    color: var(--rr-color-white);
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.08);
}

.rr-chapter-actions--inverse .rr-button--secondary:hover,
.rr-button--inverse:hover {
    border-color: var(--rr-color-cyan-300);
    background: rgba(255, 255, 255, 0.13);
}

@media (max-width: 640px) {
    .rr-chapter-actions,
    .rr-chapter-actions .rr-button {
        width: 100%;
    }
}

/* Enterprise pricing text only: tighten Contact / Sales spacing. */
.rr-price-card__price--enterprise {
    line-height: 0.82;
}