/* Hallmark · editorial / illustrated guide · existing site teal, warm paper and orange CTA
 * shared prototype header/footer preserved · pre-emit critique: P5 H5 E4 S5 R5 V4 */
@import url("tokens.css");
.equipment-guide { background: var(--color-page); }
.guide-width { width: min(100% - 3rem, 68rem); margin-inline: auto; }
.guide-breadcrumb { display: flex; flex-wrap: wrap; gap: .65rem; align-items: center; padding-block: 1.2rem; font-size: .78rem; color: var(--color-muted); }
.guide-breadcrumb a { white-space: nowrap; text-decoration: none; }
.guide-breadcrumb a:hover { text-decoration: underline; }
.guide-intro { padding-block: 3.5rem 0; background: var(--color-aqua-soft); border-block: 1px solid var(--color-guide-line); }
.guide-kicker { display: flex; align-items: center; flex-wrap: wrap; gap: 1rem; font-size: .85rem; color: var(--color-teal); font-weight: 700; margin-bottom: 1.6rem; }
.guide-kicker span { border-left: 1px solid var(--color-guide-line); padding-left: 1rem; font-weight: 400; }
.guide-intro h1 { font-size: clamp(2rem, 3.7vw, 3.4rem); line-height: 1.5; color: var(--color-teal-dark); letter-spacing: .025em; }
.intro-lead { margin: 1.5rem 0 2.5rem; color: var(--color-muted); font-size: 1rem; line-height: 2; }
.guide-index { display: flex; border-top: 1px solid var(--color-guide-line); }
.guide-index a { display: flex; gap: 1rem; align-items: center; padding: 1.3rem 2.4rem 1.3rem 0; margin-right: 2rem; text-decoration: none; color: var(--color-teal-dark); font-weight: 700; font-size: .94rem; white-space: nowrap; }
.guide-index a span:first-child { font-size: .8rem; font-weight: 400; color: var(--color-teal); }
.guide-index a:hover { color: var(--color-accent-dark); }
.guide-body { padding-block: 4.3rem 5rem; }
.guide-body section[id] { scroll-margin-top: 2rem; }
.section-heading { display: flex; align-items: baseline; gap: 1.1rem; margin-bottom: 1.7rem; }
.section-number { color: var(--color-teal); font-size: 1rem; font-weight: 700; }
.section-heading h2 { color: var(--color-teal-dark); font-size: clamp(1.5rem, 2.3vw, 2rem); line-height: 1.6; margin: 0; letter-spacing: .01em; }
.section-intro { max-width: 54rem; line-height: 2; color: var(--color-muted); margin-bottom: 2.5rem; }
.equipment-row { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.5fr); gap: 2rem; padding: 2.7rem 0; align-items: center; border-top: 1px solid var(--color-guide-line); }
.equipment-kind { display: inline-block; padding: .35rem .85rem; background: var(--color-aqua-soft); color: var(--color-teal-dark); font-weight: 700; font-size: .85rem; margin-bottom: 1.25rem; }
.equipment-copy h3 { font-size: 1.22rem; line-height: 1.8; margin-bottom: 1rem; }
.equipment-copy>p:not(.equipment-kind) { font-size: .95rem; line-height: 1.95; color: var(--color-muted); }
.function-tags { display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 1.5rem 0 0; list-style: none; }
.function-tags li { font-size: .75rem; border: 1px solid var(--color-guide-line); padding: .25rem .6rem; color: var(--color-teal); }
.equipment-figure { margin: 0; min-width: 0; background: var(--color-figure); padding: 1rem; border-radius: .5rem; }
.equipment-figure img { width: 100%; }
.equipment-figure figcaption { font-size: .75rem; text-align: center; color: var(--color-muted); margin-top: 1rem; }
.installation-section { border-top: 1px solid var(--color-guide-line); padding-top: 3.7rem; margin-top: 1.7rem; }
.installation-groups { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.5rem; margin-top: 2.3rem; }
.installation-group>h3 { font-size: 1.1rem; background: var(--color-aqua-soft); border-top: 2px solid var(--color-teal); color: var(--color-teal-dark); text-align: center; padding: .75rem; margin-bottom: 1.25rem; }
.installation-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.installation-pair figure { margin: 0; }
.installation-image { aspect-ratio: 340 / 412; background: var(--color-figure); }
.installation-image img { width: 100%; }
.installation-pair figcaption { text-align: center; font-size: .95rem; font-weight: 700; padding-top: .8rem; }
.installation-caution { display: flex; gap: .6rem; margin: 1.1rem 0 0; font-size: .8rem; line-height: 1.8; color: var(--color-muted); }
.installation-caution strong { color: var(--color-warning); flex-shrink: 0; }
.exhaust-explanation { margin-top: 2.6rem; padding: 2rem; background: var(--color-paper); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.5rem; border: 1px solid var(--color-guide-line); }
.exhaust-explanation h3 { display: flex; gap: .8rem; align-items: center; font-size: 1rem; margin-bottom: 1.2rem; color: var(--color-teal-dark); }
.method { border: 1px solid var(--color-teal); padding: .15rem .6rem; font-size: 1rem; }
.exhaust-explanation p { font-size: .92rem; line-height: 1.95; margin-bottom: 1rem; }
.exhaust-explanation .equipment-note { font-size: .78rem; color: var(--color-muted); margin-bottom: 0; }
.guide-consult { background: var(--color-paper-2); border-block: var(--rule); padding-block: 3.5rem; }
.consult-layout { display: flex; justify-content: space-between; align-items: center; gap: 2rem; }
.guide-consult h2 { font-size: clamp(1.6rem, 2.5vw, 2.1rem); line-height: 1.6; }
.guide-consult p:last-child { margin-bottom: 0; font-size: .9rem; color: var(--color-muted); }
.consult-actions { display: flex; flex-direction: column; gap: 1rem; flex-shrink: 0; }
.consult-actions a { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; white-space: nowrap; }
.service-link { font-size: .85rem; padding: .5rem; color: var(--color-teal-dark); }
@media(max-width: 52rem) {
  .equipment-row { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; }
  .equipment-copy h3 { font-size: 1.25rem; }
  .desktop-break { display: none; }
  .equipment-figure { max-width: 40rem; width: 100%; margin-inline: auto; }
  .consult-layout { flex-direction: column; align-items: flex-start; }
}
@media(max-width: 40rem) {
  .guide-width { width: calc(100% - 2rem); }
  .guide-breadcrumb { font-size: .7rem; gap: .45rem; }
  .guide-intro { padding-top: 2rem; }
  .guide-kicker { font-size: .72rem; gap: .7rem; }
  .guide-kicker span { padding-left: .7rem; }
  .guide-intro h1 { font-size: clamp(1.65rem, 7vw, 2.5rem); }
  .intro-lead { font-size: .9rem; }
  .intro-lead br { display: none; }
  .guide-index { flex-direction: column; }
  .guide-index a { margin: 0; padding: 1rem 0; }
  .guide-index a+a { border-top: 1px solid var(--color-guide-line); }
  .guide-index a span:last-child { margin-left: auto; }
  .guide-body { padding-block: 2.7rem; }
  .section-heading { display: block; }
  .section-number { display: block; margin-bottom: .5rem; }
  .section-heading h2 { font-size: 1.5rem; }
  .section-intro { font-size: .95rem; }
  .equipment-row { padding-block: 2rem; }
  .equipment-figure { padding: .5rem; }
  .equipment-figure figcaption { font-size: .65rem; }
  .installation-section { padding-top: 2.5rem; }
  .installation-groups, .exhaust-explanation { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
  .installation-pair { gap: .75rem; }
  .exhaust-explanation { padding: 1.3rem; }
  .exhaust-explanation section+section { border-top: 1px solid var(--color-guide-line); padding-top: 1.5rem; }
  .guide-consult { padding-block: 2.5rem; }
  .consult-actions { width: 100%; }
}

/* Compact hero with the same content width as the other guide sections. */
.guide-intro { padding-top: 1.5rem; }
.guide-intro .guide-kicker { margin-bottom: .6rem; font-size: .78rem; }
.guide-intro h1 { font-size: clamp(1.5rem, 2.2vw, 2rem); line-height: 1.45; letter-spacing: .015em; }
.guide-intro h1 br { display: none; }
.guide-intro .intro-lead { margin: .7rem 0 1.1rem; font-size: .94rem; line-height: 1.8; }
.guide-intro .intro-lead br { display: none; }
.guide-intro .guide-index { flex-direction: row; flex-wrap: wrap; gap: 0 1.5rem; }
.guide-intro .guide-index a { padding: .8rem 0; margin-right: 0; font-size: .83rem; gap: .65rem; border: 0; }
.guide-intro .guide-index a span:last-child { margin-left: 0; }
@media(max-width: 40rem) {
  .guide-intro { padding-top: 1rem; }
  .guide-intro .guide-kicker { font-size: .7rem; }
  .guide-intro h1 { font-size: 1.5rem; }
  .guide-intro .intro-lead { font-size: .85rem; margin-bottom: .8rem; }
  .guide-intro .guide-index { gap: 0 1rem; }
  .guide-intro .guide-index a { font-size: .76rem; padding-block: .65rem; }
}