.grounding-content {
    --grounding-text: #1f2937;
    --grounding-heading: #0f172a;
    --grounding-muted: #6b7280;
    --grounding-border: #e5e7eb;
    --grounding-accent: #48679C;
    --grounding-accent-hover: #506ea2;
    --grounding-notice-bg: #eff6ff;
    --grounding-warn-bg: #fffbeb;
    --grounding-warn-border: #f59e0b;
    --grounding-check: #16a34a;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--grounding-text);
    line-height: 1.6;
    padding: 3rem 0 5rem;
    font-size: 16px;
}

.grounding-content h1 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    font-weight: 700;
    color: var(--grounding-heading);
    line-height: 1.15;
    margin: 0 0 1.5rem;
}

.grounding-content h2 {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--grounding-heading);
    margin: 3rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--grounding-border);
}

.grounding-content p {
    margin: 0 0 1rem;
}

.grounding-content a {
    color: var(--grounding-accent);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.grounding-content a:hover {
    text-decoration: none;
}

.grounding-content strong {
    font-weight: 600;
    color: var(--grounding-heading);
}

.grounding-content em {
    font-style: italic;
}

.grounding-content small {
    color: var(--grounding-muted);
}

.grounding-content .italic {
    font-style: italic;
}

.grounding-content .human-notice {
    background: var(--grounding-notice-bg);
    border-left: 4px solid var(--grounding-accent);
    padding: 1rem 1.25rem;
    border-radius: 6px;
    margin: 0 0 2rem;
}

.grounding-content .human-notice .btn {
    display: inline-block;
    background: var(--grounding-accent);
    color: #fff;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.95rem;
}

.grounding-content .human-notice .btn:hover {
    background: var(--grounding-accent-hover);
}

.grounding-content .critical-fact {
    background: var(--grounding-warn-bg);
    border-left: 4px solid var(--grounding-warn-border);
    padding: 0.25rem 1.5rem 1rem;
    border-radius: 6px;
    margin: 0 0 2rem;
}

.grounding-content .critical-fact h2 {
    font-size: 1.25rem;
    margin: 1rem 0 0.75rem;
    border: none;
    padding: 0;
}

.grounding-content .check-icons {
    list-style: none;
    padding: 0;
    margin: 0.75rem 0 0;
}

.grounding-content .check-icons li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 0.6rem;
}

.grounding-content .check-icons li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--grounding-check);
    font-weight: 700;
}

.grounding-content .data-grid {
    display: grid;
    grid-template-columns: minmax(220px, 1fr) 2fr;
    gap: 0 1.5rem;
    margin: 0 0 2rem;
    border-top: 1px solid var(--grounding-border);
}

.grounding-content .data-grid dt {
    font-weight: 600;
    color: var(--grounding-heading);
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--grounding-border);
}

.grounding-content .data-grid dd {
    margin: 0;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--grounding-border);
}

.grounding-content .data-grid dt small {
    display: block;
    font-weight: 400;
    font-size: 0.85rem;
    margin-top: 0.15rem;
}

.grounding-content .feature-list {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
    columns: 2;
    column-gap: 1.5rem;
    font-size: 0.95rem;
}

.grounding-content .feature-list li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.25rem;
    break-inside: avoid;
}

.grounding-content .feature-list li::before {
    content: "\2022";
    position: absolute;
    left: 0;
    color: var(--grounding-muted);
}

.grounding-content .feature-list-wide {
    columns: 1;
}

@media (max-width: 640px) {
    .grounding-content {
        padding: 2rem 0 3rem;
    }

    .grounding-content .data-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .grounding-content .data-grid dt {
        padding: 0.875rem 0 0.25rem;
        border-bottom: none;
    }

    .grounding-content .data-grid dd {
        padding: 0.25rem 0 1rem;
    }

    .grounding-content h2 {
        margin-top: 2rem;
    }

    .grounding-content .feature-list {
        columns: 1;
    }
}