/* ==========================================================================
   /industrial-growth-system/ only. Linked from that page alone by build_pages.py.

   Design system v1 (September 26, 2026; assets/css/system.css): ink, paper, one
   wash, one blue; Archivo 700 at one width, sentence case; square corners with the
   notch on the diagram; Plex Mono for data labels only. Reused: .wrap, .section,
   .section--wash, .section--blue, .btn and .reveal from the shell, .svc-title and
   .svc-actions from service-page.css.
   ========================================================================== */

  .igs-body p { font-size: clamp(1.02rem, 1.3vw, 1.12rem); line-height: 1.7; max-width: 64ch; }
  .igs-body p + p { margin-top: 1.1em; }

  .igs-head { max-width: 880px; }
  .igs-head__lead { margin-top: 18px; font-size: clamp(1.05rem, 1.5vw, 1.25rem); line-height: 1.55; color: var(--muted); max-width: 62ch; }
  /* The Stafford example reads as body copy, not a muted lead. */
  .igs-proof__text { color: var(--ink-2); max-width: 70ch; }

  .igs-title--sm { font-size: clamp(1.7rem, 3vw, 2.5rem); }

  .igs-subtitle {
    font-family: var(--f-display);
    font-variation-settings: 'wdth' 108;
    font-weight: 700;
    font-size: clamp(1.25rem, 2vw, 1.6rem);
    line-height: 1.2;
    margin-bottom: 16px;
  }

  /* ---------- 1. Hero: type only, white ---------- */

  .igs-hero { padding: clamp(64px, 9vw, 128px) 0 clamp(56px, 8vw, 120px); border-bottom: 1px solid var(--line); }
  /* "Industrial" is the widest word at about 5.5x the font size in this face; the cap
     keeps it inside a 320px screen. */
  .igs-hero__title {
    font-size: min(clamp(2.6rem, 7vw, 6.2rem), calc((min(100vw, 1240px) - 64px) * 0.17));
    font-variation-settings: 'wdth' 108;
    line-height: 0.98;
    letter-spacing: -0.03em;
    max-width: 14ch;
  }
  .igs-hero__lead { margin-top: 28px; font-size: clamp(1.15rem, 2vw, 1.5rem); line-height: 1.5; max-width: 42ch; }
  .igs-hero__sub { margin-top: 18px; font-size: 1.05rem; line-height: 1.55; color: var(--muted); max-width: 56ch; }
  .igs-hero .svc-actions { margin-top: 36px; }

  /* ---------- 2. Plateau ---------- */

  /* The symptoms, each with the x icon in place of the old dot. */
  .igs-xlist { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
  .igs-xlist li { display: grid; grid-template-columns: 24px minmax(0, 1fr); gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 1.0625rem; line-height: 1.5; }
  .igs-xlist .icon { font-size: 24px; color: var(--muted); margin-top: 1px; }

  .igs-split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(28px, 6vw, 96px); align-items: start; }
  .igs-plateau__def {
    margin-top: 24px;
    font-family: var(--f-display);
    font-variation-settings: 'wdth' 108;
    font-weight: 700;
    font-size: clamp(1.15rem, 1.8vw, 1.5rem);
    line-height: 1.35;
    color: var(--blue);
  }
  .igs-plateau__lists { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; margin-top: clamp(48px, 6vw, 72px); }

  .igs-statement {
    margin-top: clamp(48px, 6vw, 72px);
    font-family: var(--f-display);
    font-variation-settings: 'wdth' 108;
    font-weight: 700;
    font-size: clamp(1.4rem, 2.6vw, 2rem);
    line-height: 1.25;
    letter-spacing: -0.01em;
    max-width: 36ch;
  }
  .igs-statement strong { font-weight: 700; color: var(--blue); }

  /* ---------- 3. The pillar diagram: four pillars on one foundation ---------- */

  .igs-diagram { margin-top: clamp(36px, 5vw, 48px); display: flex; flex-direction: column; gap: 12px; }
  .igs-pillars { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
  .igs-pillar {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 260px;
    padding: 28px 24px;
    background: var(--paper);
    border-top: 4px solid var(--blue);
    clip-path: polygon(0 0, calc(100% - var(--notch-sm)) 0, 100% var(--notch-sm), 100% 100%, 0 100%);
  }
  .igs-pillar__weight {
    font-family: var(--f-display);
    font-variation-settings: 'wdth' 108;
    font-weight: 700;
    font-size: clamp(2.4rem, 3.6vw, 3rem);
    line-height: 1;
    color: var(--blue);
  }
  .igs-pillar__name { font-family: var(--f-display); font-variation-settings: 'wdth' 108; font-weight: 700; font-size: 1.35rem; line-height: 1.15; }
  .igs-pillar p { font-size: 0.9375rem; line-height: 1.55; color: var(--muted); }

  .igs-foundation {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 24px;
    align-items: center;
    padding: 32px 36px;
    background: var(--blue);
    color: var(--on-dark);
    clip-path: polygon(0 0, calc(100% - var(--notch)) 0, 100% var(--notch), 100% 100%, 0 100%);
  }
  .igs-foundation__label { display: block; font-family: var(--f-mono); font-size: var(--data); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; color: var(--on-blue-muted); }
  .igs-foundation__name { margin-top: 6px; font-family: var(--f-display); font-variation-settings: 'wdth' 108; font-weight: 700; font-size: clamp(1.6rem, 2.6vw, 2.1rem); line-height: 1.05; }
  .igs-foundation p { font-size: 1.05rem; line-height: 1.55; }

  .igs-flow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 20px;
    margin-top: clamp(36px, 5vw, 48px);
    font-family: var(--f-display);
    font-variation-settings: 'wdth' 108;
    font-weight: 700;
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  }
  .igs-flow__arrow { display: inline-flex; font-size: 24px; color: var(--blue); }

  .igs-system__note { margin-top: 28px; font-size: clamp(1.05rem, 1.4vw, 1.2rem); line-height: 1.65; max-width: 68ch; }
  .igs-system__note strong { font-weight: 600; }

  /* ---------- 4. One row per pillar ---------- */

  .igs-rows { margin-top: clamp(36px, 5vw, 48px); border-bottom: 1px solid var(--rule); }
  .igs-row {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 3fr) minmax(0, 4fr);
    gap: 20px clamp(24px, 4vw, 56px);
    padding: clamp(32px, 4vw, 44px) 0;
    border-top: 1px solid var(--rule);
  }
  .igs-row__id { grid-row: span 2; }
  .igs-row__name { font-family: var(--f-display); font-variation-settings: 'wdth' 108; font-weight: 700; font-size: clamp(1.45rem, 2.4vw, 1.9rem); line-height: 1.08; letter-spacing: -0.015em; }
  .igs-row__weight { margin-top: 6px; font-weight: 600; color: var(--blue); }
  .igs-row__purpose { margin-top: 12px; line-height: 1.6; color: var(--muted); }
  .igs-row__weak,
  .igs-row__kpis { font-size: 1rem; line-height: 1.6; }
  .igs-row__weak strong,
  .igs-row__kpis strong { display: block; margin-bottom: 4px; font-weight: 600; }
  .igs-row__question {
    grid-column: 2 / span 2;
    padding: 18px 22px;
    border-left: 4px solid var(--blue);
    background: var(--wash);
    font-size: 1.05rem;
    line-height: 1.5;
    font-style: italic;
  }

  /* ---------- 5. Where each pillar's work happens: the one tint band ---------- */

  .igs-map { background: var(--wash); padding: clamp(64px, 8vw, 96px) 0; }
  .igs-map__list { list-style: none; margin: clamp(28px, 4vw, 36px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; }
  .igs-map__list li { padding-top: 20px; border-top: 4px solid var(--blue); line-height: 1.55; color: var(--muted); }
  .igs-map__list strong { display: block; margin-bottom: 8px; font-size: 0.92rem; font-weight: 600; color: var(--ink); }
  .igs-map__list a {
    font-family: var(--f-display);
    font-variation-settings: 'wdth' 108;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--blue);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
  }
  .igs-map__list a:hover { color: var(--blue-deep); }

  /* ---------- 6. Score bands: four, then two, then one ---------- */

  .igs-bands { list-style: none; margin: clamp(36px, 5vw, 48px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
  .igs-band { display: flex; flex-direction: column; gap: 12px; }
  .igs-band__bar { display: block; height: 10px; background: var(--blue); }
  .igs-band--1 .igs-band__bar { opacity: 0.3; }
  .igs-band--2 .igs-band__bar { opacity: 0.5; }
  .igs-band--3 .igs-band__bar { opacity: 0.75; }
  .igs-band__range { font-family: var(--f-display); font-variation-settings: 'wdth' 108; font-weight: 600; font-size: clamp(2rem, 3.4vw, 3rem); line-height: 1; letter-spacing: -0.035em; color: var(--blue); font-variant-numeric: tabular-nums; }
  .igs-band p { line-height: 1.55; color: var(--muted); }
  .igs-band strong { display: block; margin-bottom: 6px; font-family: var(--f-mono); font-size: var(--data); font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink); }

  .igs-score__foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px 40px;
    flex-wrap: wrap;
    margin-top: clamp(36px, 5vw, 48px);
    padding-top: 28px;
    border-top: 1px solid var(--rule);
  }
  .igs-score__foot p { line-height: 1.6; color: var(--muted); max-width: 62ch; }

  /* ---------- 7. The first year ---------- */

  .igs-phases { list-style: none; margin: clamp(36px, 5vw, 48px) 0 0; padding: 0; }
  .igs-phase {
    display: grid;
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(20px, 5vw, 72px);
    padding: clamp(32px, 4vw, 44px) 0;
    border-top: 1px solid var(--rule);
  }
  /* No phase numbers: each heading already names its stretch of the year. */
  .igs-phase h3 { font-family: var(--f-display); font-variation-settings: 'wdth' 108; font-weight: 700; font-size: clamp(1.3rem, 2vw, 1.75rem); line-height: 1.15; }

  /* A pull statement, not a testimonial: a blue rule and large type, no quote marks. */
  .igs-pull { margin-top: clamp(40px, 5vw, 56px); padding-top: 40px; border-top: 4px solid var(--blue); }
  .igs-pull__text {
    font-family: var(--f-display);
    font-variation-settings: 'wdth' 108;
    font-weight: 700;
    font-size: clamp(1.4rem, 2.6vw, 2.25rem);
    line-height: 1.25;
    letter-spacing: -0.015em;
    max-width: 40ch;
  }
  .igs-pull__note { margin-top: 18px; font-size: 0.9375rem; color: var(--muted); }

  /* ---------- 8. What changes ---------- */

  .igs-outcomes { list-style: none; margin: clamp(36px, 5vw, 48px) 0 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 28px; }
  .igs-outcomes li { padding-top: 22px; border-top: 1px solid var(--ink); }
  .igs-outcomes h3 { font-family: var(--f-display); font-variation-settings: 'wdth' 108; font-weight: 700; font-size: 1.2rem; line-height: 1.2; }
  .igs-outcomes p { margin-top: 10px; font-size: 0.9375rem; line-height: 1.6; color: var(--muted); }

  /* ---------- Closing band: the accent blue ---------- */

  .igs-close__text {
    font-size: clamp(1.8rem, 4vw, 3.5rem);
    font-variation-settings: 'wdth' 108;
    line-height: 1.05;
    letter-spacing: -0.03em;
    max-width: 24ch;
  }
  .igs-close .svc-actions { margin-top: 32px; }

  /* ---------- Narrow screens ---------- */

  @media (max-width: 1100px) {
    .igs-outcomes { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  }

  @media (max-width: 960px) {
    .igs-pillars,
    .igs-map__list,
    .igs-bands { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .igs-pillar { min-height: 0; }
    .igs-row { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
    .igs-row__id { grid-row: auto; grid-column: 1 / -1; }
    .igs-row__question { grid-column: 1 / -1; }
    .igs-outcomes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }

  @media (max-width: 860px) {
    .igs-split,
    .igs-plateau__lists,
    .igs-phase,
    .igs-foundation { grid-template-columns: minmax(0, 1fr); }
    .igs-plateau__lists { gap: 40px; }
    .igs-foundation { gap: 12px; padding: 28px 24px; }
  }

  /* One column: the four pillar cards stack above the foundation bar, and each pillar
     row stacks its purpose, "When weak", "Primary KPIs" and the question. */
  @media (max-width: 600px) {
    .igs-pillars,
    .igs-map__list,
    .igs-bands,
    .igs-row,
    .igs-outcomes { grid-template-columns: minmax(0, 1fr); }
  }
