.edgeology-briefing-embed {
    --bg: #EEF2F6;
    --bg-card: #FFFFFF;
    --bg-sunken: #E4EAF1;
    --ink: #0E1B2A;
    --ink-dim: #48586B;
    --line: rgba(14,27,42,0.14);
    --line-strong: rgba(14,27,42,0.28);
    --accent: #F68D1F;
    --accent-ink: #1A1206;
    --accent-2: #2E6E9E;
    --risk-bad: #B14A2E;
    --risk-mid: #B8861E;
    --risk-ok: #2E7D5B;
    --shadow: 0 1px 0 rgba(14,27,42,0.06);
    --sans: 'Space Grotesk', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    color-scheme: light;
  }

  @media (prefers-color-scheme: dark) {
    .edgeology-briefing-embed:not([data-theme="light"]) {
      --bg: #0E1B2A;
      --bg-card: #142842;
      --bg-sunken: #0B1521;
      --ink: #F2EFE6;
      --ink-dim: #A9BACE;
      --line: rgba(242,239,230,0.14);
      --line-strong: rgba(242,239,230,0.28);
      --accent: #F68D1F;
      --accent-ink: #1A1206;
      --accent-2: #6FB8E0;
      --risk-bad: #E08165;
      --risk-mid: #E0BB66;
      --risk-ok: #7FCBA0;
      --shadow: 0 1px 0 rgba(0,0,0,0.3);
      color-scheme: dark;
    }
  }
  .edgeology-briefing-embed[data-theme="dark"] {
    --bg: #0E1B2A;
    --bg-card: #142842;
    --bg-sunken: #0B1521;
    --ink: #F2EFE6;
    --ink-dim: #A9BACE;
    --line: rgba(242,239,230,0.14);
    --line-strong: rgba(242,239,230,0.28);
    --accent: #F68D1F;
    --accent-ink: #1A1206;
    --accent-2: #6FB8E0;
    --risk-bad: #E08165;
    --risk-mid: #E0BB66;
    --risk-ok: #7FCBA0;
    --shadow: 0 1px 0 rgba(0,0,0,0.3);
    color-scheme: dark;
  }

  .edgeology-briefing-embed * { box-sizing: border-box; }
  .edgeology-briefing-embed {
    color: var(--ink);
    font-family: var(--sans);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
  }
  .edgeology-briefing-embed img, .edgeology-briefing-embed svg { max-width: 100%; display: block; }

  .wrap { max-width: 920px; margin: 0 auto; padding: 0 24px; }

  /* ---------- Hero ---------- */
  .hero { padding: 64px 0 40px; }
  .hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
  }
  @media (max-width: 760px) {
    .hero-grid { grid-template-columns: 1fr; }
  }
  .edgeology-briefing-embed h1 {
    font-size: clamp(32px, 5vw, 46px);
    line-height: 1.08;
    margin: 0 0 18px;
    font-weight: 600;
    letter-spacing: -0.01em;
  }
  .hero p.lede {
    font-size: 17px;
    color: var(--ink-dim);
    max-width: 46ch;
    margin: 0 0 26px;
  }
  .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

  .btn {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--sans);
    font-weight: 600;
    font-size: 15px;
    padding: 12px 20px;
    border-radius: 3px;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.12s ease, background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
  }
  .btn:active { transform: translateY(1px); }
  .btn-primary { background: var(--accent); color: var(--accent-ink); }
  .btn-primary:hover { filter: brightness(1.06); }
  .btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-strong); }
  .btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

  /* Hero diagram */
  .diagram-frame {
  /*  background: var(--bg-card);*/
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 18px;
    box-shadow: var(--shadow);
  }
  .diagram-caption {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--ink-dim);
    display: flex;
    justify-content: space-between;
    margin-top: 10px;
    letter-spacing: 0.02em;
  }
  .legend-dot { display: inline-block; width: 8px; height: 8px; border-radius: 1px; margin-right: 6px; vertical-align: middle; }

  /* ---------- Section shell ---------- */
  .edgeology-briefing-embed section { padding: 52px 0; border-top: 1px solid var(--line); }
  .section-head { max-width: 62ch; margin-bottom: 32px; }
  .section-tag {
    font-family: var(--mono);
    font-size: 12px;
    color: var(--accent) !important;
    letter-spacing: 0.04em;
    margin: 0 0 10px;
  }
  .edgeology-briefing-embed h2 { font-size: clamp(24px, 3.4vw, 30px); margin: 0 0 12px; font-weight: 600; letter-spacing: -0.01em; }
  .section-head p { color: var(--ink-dim); font-size: 16px; margin: 0; }

  /* ---------- Hurdle cards ---------- */
  .hurdle-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: 4px;
    overflow: hidden;
  }
  @media (max-width: 700px) {
    .hurdle-grid { grid-template-columns: 1fr; }
  }
  .hurdle {
    background: var(--bg-card);
    padding: 22px 24px;
  }
  .hurdle-tag {
    font-family: var(--mono);
    font-size: 11px;
    color: var(--accent) !important;
    letter-spacing: 0.03em;
    margin: 0 0 8px;
  }
  .hurdle h3 { font-size: 17px; margin: 0 0 8px; font-weight: 600; }
  .hurdle p { font-size: 14.5px; color: var(--ink-dim); margin: 0; }

  /* ---------- Assessment ---------- */
  .assessment-card {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 28px;
  }
  .q-row {
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 16px;
    align-items: center;
  }
  .q-row:last-of-type { border-bottom: none; }
  @media (max-width: 640px) {
    .q-row { grid-template-columns: 1fr; }
  }
  .q-text { font-size: 15px; }
  .q-text .q-num { font-family: var(--mono); color: var(--ink-dim); font-size: 12px; margin-right: 8px; }
  .toggle-group { display: flex; gap: 6px; }
  .toggle-btn {
    font-family: var(--mono);
    font-size: 12px;
    padding: 8px 12px;
    border-radius: 3px;
    border: 1px solid var(--line-strong);
    background: transparent;
    color: var(--ink-dim);
    cursor: pointer;
    transition: all 0.12s ease;
    white-space: nowrap;
  }
  .toggle-btn:hover { border-color: var(--ink-dim); color: var(--ink); }
  .toggle-btn.active-yes { background: var(--risk-ok); border-color: var(--risk-ok); color: #06231A; }
  .toggle-btn.active-unsure { background: var(--risk-mid); border-color: var(--risk-mid); color: #241C06; }
  .toggle-btn.active-no { background: var(--risk-bad); border-color: var(--risk-bad); color: #2A0B04; }

  .result-panel {
    margin-top: 26px;
    padding-top: 26px;
    border-top: 1px dashed var(--line-strong);
    display: none;
  }
  .result-panel.visible { display: block; }
  .gauge-row { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
  .gauge-track {
    flex: 1;
    height: 8px;
    background: var(--bg-sunken);
    border-radius: 4px;
    overflow: hidden;
  }
  .gauge-fill {
    height: 100%;
    width: 0%;
    background: var(--risk-bad);
    transition: width 0.4s ease, background 0.4s ease;
    border-radius: 4px;
  }
  .gauge-label { font-family: var(--mono); font-size: 13px; color: var(--ink-dim); min-width: 108px; text-align: right; }
  .result-headline { font-size: 19px; font-weight: 600; margin: 0 0 8px; }
  .result-sub { color: var(--ink-dim); font-size: 15px; margin: 0 0 18px; max-width: 58ch; }
  .flag-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 22px; }
  .flag-chip {
    font-family: var(--mono);
    font-size: 11.5px;
    padding: 6px 10px;
    border-radius: 3px;
    background: var(--bg-sunken);
    border: 1px solid var(--line);
    color: var(--ink-dim);
  }
  .flag-chip.hot { border-color: var(--risk-bad); color: var(--risk-bad); }

  /* ---------- Phases ---------- */
  .phase-list { display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
  .phase {
    background: var(--bg-card);
    padding: 26px 26px;
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 20px;
  }
  @media (max-width: 640px) {
    .phase { grid-template-columns: 40px 1fr; }
  }
  .phase-num {
    font-family: var(--mono);
    font-size: 26px;
    color: var(--accent-2);
    font-weight: 500;
    line-height: 1;
    padding-top: 2px;
  }
  .phase h3 { margin: 0 0 6px; font-size: 19px; font-weight: 600; }
  .phase > div > p.phase-desc { color: var(--ink-dim); font-size: 14.5px; margin: 0 0 14px; max-width: 60ch; }
  .phase ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
  .phase li {
    font-size: 13.5px;
    color: var(--ink-dim);
    padding-left: 16px;
    position: relative;
  }
  .phase li::before {
    content: "";
    position: absolute; left: 0; top: 8px;
    width: 6px; height: 1px;
    background: var(--line-strong);
  }

  /* ---------- Final CTA ---------- */
  .cta-band {
    background: var(--bg-card);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 40px;
    text-align: left;
  }
  .cta-band h2 { margin-bottom: 10px; }
  .cta-band p { color: var(--ink-dim); max-width: 56ch; margin: 0 0 24px; font-size: 15.5px; }

  .edgeology-briefing-embed footer {
    border-top: 1px solid var(--line);
    padding: 26px 0 40px;
    font-family: var(--mono);
    font-size: 12px;
    color: var(--ink-dim);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
  }
  .edgeology-briefing-embed footer a { color: var(--ink-dim); }
  .footer-brand { display: flex; align-items: center; gap: 10px; }
  .footer-brand img { height: 22px; width: auto; opacity: 0.9; }

  @media (prefers-reduced-motion: reduce) {
    .edgeology-briefing-embed * { transition: none !important; animation: none !important; }
  }