/* Original 5000 × 2160 pigmentation artwork, with native localized text.
   The 2048 × 884.736 reference frame aligns x=306 and x=1778 to the
   website's existing content gutters. Small screens keep the original flow. */
#pigmentation-graying { font-family: var(--site-font); }

@media (min-width: 1400px) {
  html body.hair-reference-page #pigmentation-graying {
    padding-block: 0;
    overflow: clip;
    background: #f8f9fb;
  }
  #pigmentation-graying > .hf-shell {
    --pigment-unit: calc(100cqw / 1472);
    position: relative;
    display: block;
    container-type: inline-size;
    aspect-ratio: 1472 / 884.736;
    isolation: isolate;
  }
  #pigmentation-graying > .hf-shell::before {
    content: "";
    position: absolute;
    z-index: -1;
    inset-block: 0;
    left: -20.788043%;
    width: 139.130435%;
    background: url("../images/hair-follicle-20260916/pigment-reference-clean.png") center / 100% 100% no-repeat;
    pointer-events: none;
  }

  #pigmentation-graying .hf-intro {
    position: absolute;
    inset: 0 auto 0 0;
    width: calc(360 * var(--pigment-unit));
    max-width: none;
    --site-type-h2: calc(42 * var(--pigment-unit));
    --site-line-h2: 1.08;
    --site-letter-h2: -.025em;
    --arotec-body-size: calc(20 * var(--pigment-unit));
    --arotec-body-line-height: 1.28;
  }
  #pigmentation-graying .hf-kicker {
    position: absolute;
    top: calc(153 * var(--pigment-unit));
    width: 100%;
    --arotec-body-size: calc(17 * var(--pigment-unit));
    --arotec-body-line-height: 1.35;
    white-space: nowrap;
    letter-spacing: .01em;
    padding-bottom: calc(11 * var(--pigment-unit));
    border-bottom-width: 1px;
    margin: 0 !important;
  }
  html body.hair-reference-page #main #pigmentation-graying h2 {
    position: absolute;
    top: calc(208 * var(--pigment-unit));
    width: calc(370 * var(--pigment-unit));
    text-wrap: wrap !important;
    margin: 0 !important;
  }
  #pigmentation-graying .hf-intro > p:nth-of-type(2) {
    position: absolute;
    top: calc(358 * var(--pigment-unit));
    width: 100%;
  }
  html body.hair-reference-page #main #pigmentation-graying .hf-intro > p:nth-of-type(3) {
    position: absolute;
    top: calc(553 * var(--pigment-unit));
    width: 100%;
    margin: 0 !important;
    --arotec-body-size: calc(19 * var(--pigment-unit));
    --arotec-body-line-height: 1.2;
  }
  html body.hair-reference-page #main #pigmentation-graying .hf-research-note {
    position: absolute;
    top: calc(716 * var(--pigment-unit));
    width: 100%;
    padding-top: calc(15 * var(--pigment-unit));
    border-top-width: 1px;
    margin: 0 !important;
    --arotec-body-line-height: 1.24;
  }

  #pigmentation-graying .hf-diagram-content,
  #pigmentation-graying .hf-pigment-unit,
  #pigmentation-graying .hf-pigment-follicle,
  #pigmentation-graying .hf-pigment-follicle figcaption,
  #pigmentation-graying .hf-pigment-process,
  #pigmentation-graying .hf-pigment-stages,
  #pigmentation-graying .hf-pigment-stages > li,
  #pigmentation-graying .hf-progression,
  #pigmentation-graying .hf-stressors,
  #pigmentation-graying .hf-graying-grid,
  #pigmentation-graying .hf-graying-grid > li { display: contents; }
  #pigmentation-graying .hf-pigment-stages > li,
  #pigmentation-graying .hf-graying-grid > li { position: static; }
  #pigmentation-graying .hf-diagram-content img,
  #pigmentation-graying .hf-between,
  #pigmentation-graying .hf-stressors i,
  #pigmentation-graying .hf-scroll-hint { display: none !important; }

  html body.hair-reference-page #main #pigmentation-graying .hf-diagram-title {
    position: absolute;
    left: calc(397 * var(--pigment-unit));
    margin: 0 !important;
    --site-type-h3: calc(25 * var(--pigment-unit));
    --site-line-h3: 1.15;
    --site-letter-h3: -.025em;
  }
  #pigmentation-graying .hf-diagram-content > .hf-diagram-title { top: calc(55 * var(--pigment-unit)); }
  #pigmentation-graying .hf-progression > .hf-diagram-title { top: calc(432 * var(--pigment-unit)); }

  html body.hair-reference-page #main #pigmentation-graying .hf-pigment-follicle figcaption > span {
    position: absolute;
    left: calc(379 * var(--pigment-unit));
    width: calc(110 * var(--pigment-unit));
    text-align: left;
    font-size: calc(14.5 * var(--pigment-unit)) !important;
    line-height: 1.16 !important;
    font-weight: 700 !important;
    letter-spacing: -.02em;
  }
  #pigmentation-graying .hf-pigment-follicle figcaption > span:nth-child(1) { top: calc(174 * var(--pigment-unit)); }
  #pigmentation-graying .hf-pigment-follicle figcaption > span:nth-child(2) { top: calc(320 * var(--pigment-unit)); }
  html body.hair-reference-page #main #pigmentation-graying .hf-pigment-follicle small {
    display: block;
    font-size: inherit !important;
    font-weight: inherit !important;
    line-height: inherit !important;
  }

  html body.hair-reference-page #main #pigmentation-graying .hf-pigment-stages h4 {
    position: absolute;
    top: calc(129 * var(--pigment-unit));
    width: calc(135 * var(--pigment-unit));
    min-height: 0;
    margin: 0 !important;
    text-align: center;
    --site-type-h4: calc(18.5 * var(--pigment-unit));
    --site-line-h4: 1.15;
    --site-letter-h4: -.025em;
  }
  #pigmentation-graying .hf-pigment-stages > li:nth-child(1) h4 { left: calc(699.5 * var(--pigment-unit)); }
  html body.hair-reference-page #main #pigmentation-graying .hf-pigment-stages > li:nth-child(2) h4 { left: calc(854.5 * var(--pigment-unit)); top: calc(141 * var(--pigment-unit)); }
  #pigmentation-graying .hf-pigment-stages > li:nth-child(3) h4 { left: calc(1006.5 * var(--pigment-unit)); }
  #pigmentation-graying .hf-pigment-stages > li:nth-child(4) h4 { left: calc(1164.5 * var(--pigment-unit)); }
  #pigmentation-graying .hf-pigment-stages > li:nth-child(5) h4 { left: calc(1321.5 * var(--pigment-unit)); }

  html body.hair-reference-page #main #pigmentation-graying .hf-signal-strip {
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: nowrap;
    gap: 0;
    margin: 0 !important;
    padding: 0 !important;
    height: calc(41 * var(--pigment-unit));
    border-radius: calc(21 * var(--pigment-unit));
    background: #cce8fc;
    --arotec-body-size: calc(19 * var(--pigment-unit));
    --arotec-body-line-height: 1.2;
  }
  #pigmentation-graying .hf-pigment-process > .hf-signal-strip {
    left: calc(765 * var(--pigment-unit));
    top: calc(338 * var(--pigment-unit));
    width: calc(602 * var(--pigment-unit));
  }
  #pigmentation-graying .hf-signal-strip > li {
    position: relative;
    padding: 0 calc(11 * var(--pigment-unit));
    border: 0;
    white-space: nowrap;
    text-align: center;
  }
  #pigmentation-graying .hf-signal-strip > li + li::before {
    content: "·";
    position: absolute;
    left: calc(-3 * var(--pigment-unit));
  }

  html body.hair-reference-page #main #pigmentation-graying .hf-stressors > li {
    position: absolute;
    top: calc(479 * var(--pigment-unit));
    height: calc(28 * var(--pigment-unit));
    display: flex;
    align-items: center;
    gap: 0;
    text-align: left;
    font-weight: 700 !important;
    --arotec-body-size: calc(18.5 * var(--pigment-unit));
    --arotec-body-line-height: 1.2;
    letter-spacing: -.025em;
  }
  #pigmentation-graying .hf-stressors > li:nth-child(1) { left: calc(515 * var(--pigment-unit)); width: calc(163 * var(--pigment-unit)); }
  #pigmentation-graying .hf-stressors > li:nth-child(2) { left: calc(776 * var(--pigment-unit)); width: calc(154 * var(--pigment-unit)); }
  html body.hair-reference-page #main #pigmentation-graying .hf-stressors > li:nth-child(3) { left: calc(1020 * var(--pigment-unit)); top: calc(471 * var(--pigment-unit)); width: calc(205 * var(--pigment-unit)); height: calc(46 * var(--pigment-unit)); }
  #pigmentation-graying .hf-stressors > li:nth-child(4) { left: calc(1307 * var(--pigment-unit)); width: calc(165 * var(--pigment-unit)); }

  html body.hair-reference-page #main #pigmentation-graying .hf-graying-grid h4 {
    position: absolute;
    top: calc(747 * var(--pigment-unit));
    width: calc(249 * var(--pigment-unit));
    margin: 0 !important;
    padding: 0;
    border-radius: 0;
    background: transparent;
    text-align: center;
    --site-type-h4: calc(17.5 * var(--pigment-unit));
    --site-line-h4: 1.15;
    --site-letter-h4: -.02em;
  }
  #pigmentation-graying .hf-graying-grid > li:nth-child(1) h4 { left: calc(393 * var(--pigment-unit)); }
  #pigmentation-graying .hf-graying-grid > li:nth-child(2) h4 { left: calc(660 * var(--pigment-unit)); }
  #pigmentation-graying .hf-graying-grid > li:nth-child(3) h4 { left: calc(930 * var(--pigment-unit)); }
  #pigmentation-graying .hf-graying-grid > li:nth-child(4) h4 { left: calc(1199 * var(--pigment-unit)); }

  #pigmentation-graying .hf-signal-strip.hf-resilience {
    left: calc(557 * var(--pigment-unit));
    top: calc(790 * var(--pigment-unit));
    width: calc(737 * var(--pigment-unit));
  }
  html body.hair-reference-page #main #pigmentation-graying .hf-resilience > li {
    --arotec-body-size: calc(18.5 * var(--pigment-unit));
    font-weight: 700 !important;
    letter-spacing: -.025em;
  }
}