/* ══ /guide — the design dossier, in the same visual language ══ */

.guide { padding-top: 66px; }

.gh {
  max-width: var(--maxw); margin-inline: auto;
  padding: clamp(56px, 8vw, 110px) var(--gut) clamp(40px, 5vw, 70px);
  border-bottom: 1px solid var(--line);
}
.gh__title {
  font-family: var(--display);
  font-variation-settings: 'wdth' 118, 'wght' 640;
  /* „INSTRUMENT” is ten characters and cannot break; at 46px it is wider than
     a 360px screen and drags the document sideways with it. */
  font-size: clamp(40px, 11vw, 168px);
  line-height: .86; letter-spacing: -.045em;
  margin: 18px 0 0;
}
.gh__sub {
  max-width: 62ch; margin-top: 26px;
  font-size: clamp(15px, 1.15vw, 19px);
  color: var(--fg-dim);
}
.gh__sub em { font-style: normal; color: var(--cy); }
.gh__meta {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: 12px; overflow: hidden;
  margin-top: 42px;
}
.gh__meta > div { background: var(--ink-100); padding: 18px 20px; }
.gh__meta dt {
  font: 500 10px/1 var(--mono); letter-spacing: .18em; text-transform: uppercase;
  color: var(--fg-mute); margin-bottom: 8px;
}
.gh__meta dd { margin: 0; font-size: 14px; color: var(--fg); }
@media (max-width: 900px) { .gh__meta { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .gh__meta { grid-template-columns: 1fr; } }

/* section shell: sticky numbered heading in a left rail */
.gsec {
  max-width: var(--maxw); margin-inline: auto;
  padding: clamp(48px, 6vw, 90px) var(--gut);
  display: grid; grid-template-columns: 260px minmax(0, 1fr);
  gap: clamp(24px, 4vw, 64px);
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 84px;
}
.gsec__h {
  font: 500 11px/1.5 var(--mono);
  letter-spacing: .2em; text-transform: uppercase;
  color: var(--cy);
  position: sticky; top: 96px; align-self: start;
}
.gsec__body { max-width: 74ch; }
.gsec__body > * + * { margin-top: 18px; }
.gsec__body p { color: var(--fg-dim); }
.gsec__body b { color: var(--fg); }
.gsec__body .lede {
  font-family: var(--display);
  font-variation-settings: 'wdth' 104, 'wght' 480;
  font-size: clamp(19px, 2.1vw, 30px);
  line-height: 1.24; letter-spacing: -.02em;
  color: var(--fg);
}
.gsec__body code {
  font: 400 .88em/1 var(--mono);
  padding: 3px 6px; border-radius: 4px;
  background: var(--ink-300); color: var(--cy);
}
.gsec__body blockquote {
  margin: 26px 0 0; padding: 18px 0 18px 22px;
  border-left: 1px solid var(--cy);
  color: var(--fg); font-size: 16px;
}
.note {
  font-size: 13.5px !important; color: var(--fg-mute) !important;
  padding: 16px 18px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--ink-100);
}
@media (max-width: 900px) {
  .gsec { grid-template-columns: 1fr; }
  .gsec__h { position: static; }
}

/* swatches */
.swatches {
  list-style: none; padding: 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
}
.swatches li {
  border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
  background: var(--ink-100);
}
.swatches li::before {
  content: ''; display: block; height: 58px; background: var(--c);
  border-bottom: 1px solid var(--line);
}
.swatches b { display: block; padding: 12px 13px 0; font-size: 13px; }
.swatches span { display: block; padding: 3px 13px 0; font: 400 11px/1 var(--mono); color: var(--cy); }
.swatches i { display: block; padding: 6px 13px 13px; font-style: normal; font-size: 11.5px; color: var(--fg-mute); }
@media (max-width: 760px) { .swatches { grid-template-columns: repeat(2, 1fr); } }

/* type specimens */
.specimen-type { display: grid; gap: 14px; }
.st { padding: 22px 24px; border: 1px solid var(--line); border-radius: 12px; background: var(--ink-100); }
.st__label { font: 500 10px/1 var(--mono) !important; letter-spacing: .18em; text-transform: uppercase; color: var(--fg-mute) !important; }
.st__demo { margin: 14px 0 10px !important; color: var(--fg) !important; }
.st__demo--display {
  font-family: var(--display); font-variation-settings: 'wdth' 112, 'wght' 620;
  font-size: clamp(30px, 5vw, 62px); line-height: .92; letter-spacing: -.038em;
}
.st__demo--body { font-size: clamp(17px, 1.6vw, 22px); line-height: 1.4; }
.st__demo--mono { font-family: var(--mono); font-size: clamp(15px, 1.5vw, 21px); letter-spacing: .02em; }
.st__note { font-size: 13px !important; color: var(--fg-mute) !important; }

/* table */
.gtable { width: 100%; border-collapse: collapse; font-family: var(--mono); font-size: 12.5px; }
.gtable th, .gtable td { text-align: left; padding: 12px 10px 12px 0; border-bottom: 1px solid var(--line); }
.gtable thead th { color: var(--cy); font-weight: 500; letter-spacing: .12em; text-transform: uppercase; font-size: 10px; }
.gtable td { color: var(--fg-dim); }
.gtable td:last-child { text-align: right; color: var(--fg); }

/* technique list */
.tech { list-style: none; padding: 0; counter-reset: t; display: grid; gap: 14px; }
.tech li {
  counter-increment: t;
  padding: 24px 26px; border: 1px solid var(--line); border-radius: 12px;
  background: linear-gradient(180deg, var(--ink-200), var(--ink-100));
  position: relative;
}
.tech li::before {
  content: counter(t, decimal-leading-zero);
  position: absolute; right: 22px; top: 20px;
  font: 500 11px/1 var(--mono); color: var(--cy); letter-spacing: .1em;
}
.tech h3 {
  font-family: var(--display); font-variation-settings: 'wdth' 102, 'wght' 570;
  font-size: 20px; letter-spacing: -.018em; margin-bottom: 10px; padding-right: 40px;
}
.tech p { font-size: 14.5px; }
.tech p + p { margin-top: 10px; }
.tech__out {
  font: 400 11.5px/1 var(--mono) !important; letter-spacing: .06em;
  color: var(--cy) !important;
  margin-top: 14px !important; padding-top: 13px; border-top: 1px solid var(--line);
}

/* iteration log */
.iter { list-style: none; padding: 0; display: grid; gap: 16px; }
.iter > li {
  padding: 24px 26px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--ink-100);
}
.iter__no {
  font: 500 10.5px/1 var(--mono) !important; letter-spacing: .2em; text-transform: uppercase;
  color: var(--cy) !important; margin-bottom: 16px;
}
.iter ul { padding-left: 0; list-style: none; display: grid; gap: 11px; }
.iter ul li {
  position: relative; padding-left: 22px;
  font-size: 14.5px; color: var(--fg-dim); line-height: 1.55;
}
.iter ul li::before {
  content: ''; position: absolute; left: 0; top: .62em;
  width: 10px; height: 1px; background: var(--cy);
}

/* provenance list in the sources section */
.glist { list-style: none; padding: 0; display: grid; gap: 10px; margin: 18px 0; }
.glist li {
  position: relative; padding-left: 22px;
  font-size: 14.5px; color: var(--fg-dim); line-height: 1.55;
}
.glist li::before {
  content: ''; position: absolute; left: 0; top: .62em;
  width: 10px; height: 1px; background: var(--cy);
}
.glist b { color: var(--fg); }