* { margin: 0; padding: 0; box-sizing: border-box; }

        :root {
            --ink: #0a0a0f;
            --paper: #f8f7f4;
            --accent: #2563eb;
            --accent-soft: #dbeafe;
            --accent-dark: #1d4ed8;
            --muted: #64748b;
            --border: #e2e1dd;
            --glow: rgba(37, 99, 235, 0.08);
            --green: #16a34a;
            --green-soft: #dcfce7;
            --amber: #d97706;
            --amber-soft: #fef3c7;
        }

        html { scroll-behavior: smooth; }

        body {
            font-family: 'DM Sans', sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4 { font-family: 'Space Grotesk', sans-serif; line-height: 1.2; }

        .container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

        /* NAV */
        nav {
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            background: rgba(248,247,244,0.95);
            backdrop-filter: blur(8px);
            position: sticky;
            top: 0;
            z-index: 100;
        }
        nav .container { display: flex; justify-content: space-between; align-items: center; }
        .logo {
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: -0.5px;
            color: var(--ink);
            text-decoration: none;
        }
        .logo span { color: var(--accent); }
        .nav-right { display: flex; align-items: center; gap: 12px; }
        .nav-link {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--muted);
            text-decoration: none;
            padding: 6px 12px;
            border-radius: 6px;
            transition: color 0.15s, background 0.15s;
        }
        .nav-link:hover { color: var(--ink); background: var(--border); }
        .nav-link.active { color: var(--accent); }
        .nav-cta {
            display: inline-block;
            padding: 8px 18px;
            background: var(--accent);
            color: white;
            text-decoration: none;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: background 0.15s;
        }
        .nav-cta:hover { background: var(--accent-dark); }
        .nav-cta.outline {
            background: transparent;
            color: var(--accent);
            border: 1.5px solid var(--accent);
        }
        .nav-cta.outline:hover { background: var(--accent-soft); }

        /* ARTICLE LAYOUT */
        .article-wrap {
            max-width: 780px;
            margin: 0 auto;
            padding: 64px 24px 80px;
        }

        /* BREADCRUMB */
        .breadcrumb {
            font-size: 0.8rem;
            color: var(--muted);
            margin-bottom: 28px;
        }
        .breadcrumb a { color: var(--muted); text-decoration: none; }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb span { margin: 0 8px; }

        /* META */
        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .tag-pill {
            display: inline-block;
            padding: 3px 10px;
            background: var(--accent-soft);
            color: var(--accent-dark);
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .article-date { font-size: 0.82rem; color: var(--muted); }
        .reading-time { font-size: 0.82rem; color: var(--muted); }

        /* HEADLINE */
        .article-title {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 700;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            color: var(--ink);
        }

        /* DECK */
        .article-deck {
            font-size: 1.15rem;
            color: var(--muted);
            margin-bottom: 32px;
            line-height: 1.55;
            border-left: 3px solid var(--accent);
            padding-left: 20px;
        }

        /* AUTHOR */
        .author-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            margin-bottom: 48px;
        }
        .author-avatar {
            width: 48px;
            height: 48px;
            background: var(--accent-soft);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent);
            flex-shrink: 0;
        }
        .author-info .name { font-weight: 600; font-size: 0.9rem; }
        .author-info .role { font-size: 0.8rem; color: var(--muted); }

        /* BODY COPY */
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 48px 0 16px;
            letter-spacing: -0.02em;
        }
        .article-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 28px 0 12px;
            color: var(--ink);
        }
        .article-body p {
            margin-bottom: 20px;
            font-size: 1.02rem;
            color: #1e293b;
        }
        .article-body ul, .article-body ol {
            margin: 16px 0 24px 24px;
        }
        .article-body li {
            margin-bottom: 8px;
            font-size: 1.02rem;
            color: #1e293b;
        }
        .article-body strong { color: var(--ink); font-weight: 600; }
        .article-body em { font-style: italic; }

        /* SIGN CARD */

        /* CHECK INDICATOR */

        /* CALLOUT BOXES */
        .callout {
            background: var(--glow);
            border: 1px solid rgba(37,99,235,0.15);
            border-radius: 10px;
            padding: 20px 24px;
            margin: 32px 0;
        }
        .callout-label {
            font-family: 'Space Grotesk', sans-serif;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .callout p { margin: 0; font-size: 0.97rem; color: #1e293b; }

        /* DIAGNOSTIC TABLE */
        .diag-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.88rem;
        }
        .diag-table th {
            text-align: left;
            padding: 10px 16px;
            background: #f1f5f9;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 600;
            font-size: 0.78rem;
            letter-spacing: 0.03em;
            border-bottom: 2px solid var(--border);
        }
        .diag-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            color: #334155;
            vertical-align: top;
        }
        .diag-table tr:last-child td { border-bottom: none; }

        /* SUMMARY BOX */

        /* CTA BLOCK */
        .article-cta {
            background: linear-gradient(135deg, var(--ink) 0%, #1a1f3a 100%);
            border-radius: 16px;
            padding: 48px 40px;
            margin: 56px 0 0;
            text-align: center;
            color: white;
        }
        .article-cta h3 { font-size: 1.5rem; margin-bottom: 12px; color: white; }
        .article-cta p {
            color: #94a3b8;
            margin-bottom: 28px;
            font-size: 1rem;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-btn {
            display: inline-block;
            padding: 14px 32px;
            background: var(--accent);
            color: white;
            text-decoration: none;
            border-radius: 10px;
            font-family: 'Space Grotesk', sans-serif;
            font-weight: 600;
            font-size: 1rem;
            transition: background 0.15s;
        }
        .cta-btn:hover { background: var(--accent-dark); }

        /* INTERNAL LINK */

        /* FOOTER */
        footer {
            padding: 40px 0 32px;
            border-top: 1px solid var(--border);
            text-align: center;
            font-size: 0.8rem;
            color: var(--muted);
            margin-top: 64px;
        }
        footer a { color: var(--muted); text-decoration: none; }
        footer a:hover { color: var(--accent); }

        /* RESPONSIVE */
        @media (max-width: 640px) {
            .article-wrap { padding: 40px 16px 60px; }
            .article-cta { padding: 36px 24px; }
        }

/* ── Components ───────────────────────────────────────────────
   One callout primitive with four variants, replacing the former
   callout / readiness-check / summary-box family. Generated from
   blog.org: #+begin_callout <variant> <label>
   ------------------------------------------------------------- */

.callout.green {
    background: var(--green-soft);
    color: #14532d;
    border: none;
    border-left: 3px solid var(--green);
    border-radius: 8px;
    padding: 16px 20px;
    margin: 18px 0;
    font-size: 0.93rem;
}
.callout.amber {
    background: var(--amber-soft);
    color: #92400e;
    border: none;
    border-left: 3px solid var(--amber);
    border-radius: 8px;
    padding: 16px 20px;
    margin: 18px 0;
    font-size: 0.93rem;
}
.callout.green .callout-label,
.callout.amber .callout-label { color: inherit; margin-bottom: 4px; }

.callout.summary {
    background: var(--ink);
    color: white;
    border: none;
    border-radius: 14px;
    padding: 36px 40px;
    margin: 48px 0 0;
}
.callout.summary .callout-label {
    color: white;
    font-size: 1.25rem;
    text-transform: none;
    letter-spacing: -0.01em;
    margin-bottom: 12px;
}
.callout.summary p { color: rgba(255,255,255,0.85); }
.callout.summary a { color: white; }
.callout.summary ul { margin: 12px 0 0 18px; color: rgba(255,255,255,0.85); }

/* Tables come from Org now, so they carry their class directly and have no
   wrapper div. Scrolling moves onto the table itself. */
.article-body table {
    display: block;
    overflow-x: auto;
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
    margin: 28px 0;
}
.article-body table th {
    text-align: left;
    padding: 10px 16px;
    background: #f1f5f9;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--muted);
    white-space: nowrap;
}
.article-body table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    color: #334155;
    vertical-align: top;
}

/* Description lists replace the former decision-card / use-case grids. */
.article-body dl { margin: 28px 0; }
.article-body dt {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    color: var(--ink);
    margin-top: 18px;
}
.article-body dd { margin: 6px 0 0; color: #334155; }

/* "Related Article" line, formerly a boxed card. */
p.related-post {
    background: var(--accent-soft);
    border: 1px solid rgba(37,99,235,0.2);
    border-radius: 10px;
    padding: 16px 20px;
    margin: 32px 0;
    font-size: 0.95rem;
}

/* Org emits <blockquote> for #+begin_quote (formerly .pull-quote). */
.article-body blockquote {
    border-left: 3px solid var(--accent);
    padding: 8px 0 8px 24px;
    margin: 32px 0;
    font-size: 1.05rem;
    font-style: italic;
    color: var(--ink);
}

.article-body ul.questions-list { list-style: none; padding-left: 0; }
.article-body ul.questions-list > li { margin-bottom: 20px; }