.kit-page { background: #f7f8f2; }
.kit-header { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 80px; padding: 14px var(--gutter); background: var(--dark); color: #f6f8f2; }
.kit-back { display: inline-flex; align-items: center; gap: 15px; min-height: 44px; font-size: 13px; color: #dce3d4; }
.kit-back > span:first-child { font-size: 22px; }
.kit-back:hover { color: #fff; }
.kit-intro { display: grid; grid-template-columns: 1.1fr 1fr; align-items: end; gap: 12%; padding-top: 44px; padding-bottom: 39px; }
.kit-intro .eyebrow { color: #617153; font-size: 10px; margin-bottom: 17px; }
.kit-intro h1 { font-size: clamp(43px, 4.5vw, 64px); line-height: 1.03; letter-spacing: -2.7px; }
.kit-intro-copy { padding-bottom: 3px; max-width: 440px; }
.kit-intro-copy p { color: #65705b; font-size: 15px; line-height: 1.75; }
.kit-intro-copy .text-link { margin-top: 13px; font-size: 12px; }
.kit-explorer { scroll-margin-top: 25px; }
.kit-explorer-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 25px; padding-top: 24px; padding-bottom: 15px; border-top: 1px solid #dce1d4; }
.kit-explorer-heading h2 { font-size: 22px; line-height: 1.3; letter-spacing: -.55px; }
.kit-explorer-heading p { max-width: 375px; color: #75806b; font-size: 11px; line-height: 1.6; text-align: right; }
.kit-explorer-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(330px, .85fr); gap: clamp(36px, 6vw, 86px); align-items: start; }
.kit-figure { min-width: 0; margin: 0; }
.kit-diagram { position: relative; width: min(100%, calc(70svh * var(--scene-ratio, .7466))); max-width: 660px; aspect-ratio: 1744 / 2336; margin-inline: auto; isolation: isolate; user-select: none; background: radial-gradient(ellipse at 49% 46%, #e9eedf80, #f7f8f200 70%) #f7f8f2; }
.kit-diagram > img { display: block; position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; user-select: none; -webkit-user-drag: none; pointer-events: none; }
.kit-diagram > svg { display: block; position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; mix-blend-mode: multiply; }
.part-image { pointer-events: none; user-select: none; -webkit-user-drag: none; }
.kit-diagram[data-phase="waiting"] > svg { visibility: hidden; }
.kit-diagram:not([data-phase="exploded"]):not([data-phase="focused"]) .part-hit,
.kit-diagram:not([data-phase="exploded"]):not([data-phase="focused"]) .part-marker { pointer-events: none; visibility: hidden; }
.part-region { transform-box: fill-box; transform-origin: center; transition: transform 320ms cubic-bezier(.22,.7,.22,1), opacity 260ms ease; }
.kit-diagram[data-phase="focused"] .part-region[data-selected="false"] { opacity: .78; }
.kit-noscript-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.kit-journey-controls { display: flex; justify-content: center; align-items: center; gap: 10px; margin: 15px 0 17px; }
.kit-journey-controls button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 44px; padding: 10px 14px; border: 1px solid #ced9c3; border-radius: 5px; background: transparent; color: #526346; font-size: 11px; }
.kit-journey-controls button:last-child { background: #e9efdf; }
.kit-journey-controls button:hover { background: #e2ead7; }
.kit-journey-controls button:focus-visible { outline: 3px solid #627c46; outline-offset: 3px; }
.part-hit { fill: #738d4e00; stroke: transparent; stroke-width: 1; vector-effect: non-scaling-stroke; pointer-events: all; cursor: pointer; transition: fill .2s ease, stroke .2s ease; }
.part-region[data-active="true"] .part-hit { fill: #8ea16c0b; stroke: #83976b55; }
.part-marker { cursor: pointer; }
.part-marker circle { fill: #f7f9f1; stroke: #a4b492; stroke-width: 1; vector-effect: non-scaling-stroke; transition: fill .2s ease, stroke .2s ease; }
.part-marker text { fill: #61744e; font: 550 30px var(--font); text-anchor: middle; dominant-baseline: central; pointer-events: none; }
.part-region[data-active="true"] .part-marker circle { fill: #344b2a; stroke: #344b2a; }
.part-region[data-active="true"] .part-marker text { fill: #fff; }
.kit-diagram[data-fallback="true"] .part-image { visibility: hidden; }
.kit-diagram[data-fallback="true"] .part-region { transform: none !important; }
.kit-figure figcaption { max-width: 480px; margin: 5px auto 0; color: #7e8873; font-size: 10px; line-height: 1.7; text-align: center; }
.kit-diagram-status { margin-top: 16px; color: #69785a; font-size: 12px; }
.kit-information { position: sticky; top: 26px; min-width: 0; padding-top: 25px; }
.kit-part-detail { min-height: 445px; padding: 0 0 29px; scroll-margin-block: 20px; }
.kit-detail-meta { display: flex; align-items: center; justify-content: space-between; gap: 18px; color: #708160; font-size: 9px; font-weight: 550; letter-spacing: 1.3px; }
.kit-detail-meta > span:last-child { font-size: 13px; letter-spacing: 0; font-variant-numeric: tabular-nums; }
.kit-variant-picker { margin-top: 19px; }
.kit-variant-picker > p { margin: 0 0 9px; color: #637057; font-size: 11px; }
.kit-variant-buttons { display: flex; flex-wrap: wrap; gap: 6px; }
.kit-variant-button { flex: 1; min-width: 82px; min-height: 44px; padding: 9px 8px; border: 1px solid #ced9c3; border-radius: 5px; background: transparent; color: #526346; font-size: 11px; line-height: 1.4; transition: background .2s ease, border-color .2s ease; }
.kit-variant-button:hover { background: #e9efdf; }
.kit-variant-button[aria-pressed="true"] { border-color: #344b2a; background: #344b2a; color: #fff; }
.kit-variant-button:focus-visible { outline: 3px solid #627c46; outline-offset: 3px; }
.kit-part-preview { display: flex; align-items: center; justify-content: center; height: 145px; margin: 15px 0 19px; background: radial-gradient(ellipse at center, #e9eedf90, transparent 72%); }
.kit-part-preview img { max-width: 92%; max-height: 100%; width: auto; height: auto; object-fit: contain; user-select: none; -webkit-user-drag: none; }
.kit-part-preview[data-material="true"] { height: auto; aspect-ratio: 3 / 2; max-height: 260px; background: none; margin-bottom: 0; }
.kit-part-preview[data-material="true"] img { width: 100%; height: 100%; max-width: 100%; border-radius: 5px; }
.kit-detail-body > .kit-preview-caption { margin: 8px 0 19px; color: #75806b; font-size: 10px; line-height: 1.5; }
.kit-detail-body h3 { font-size: clamp(27px, 2.4vw, 35px); line-height: 1.09; letter-spacing: -1px; }
.kit-detail-body > p { margin-top: 16px; color: #637057; font-size: 13px; line-height: 1.75; }
.kit-detail-body h4 { margin: 21px 0 10px; font-size: 11px; font-weight: 600; }
.kit-detail-body ul { margin: 0; padding-left: 15px; color: #6c785f; }
.kit-detail-body li { padding-left: 4px; font-size: 12px; line-height: 1.7; }
.kit-detail-body li + li { margin-top: 7px; }
.kit-detail-body li::marker { color: #9aaa89; }
.kit-part-picker { padding-top: 21px; border-top: 1px solid #dbe2d0; }
.kit-part-picker h3 { margin-bottom: 13px; color: #6c795e; font-size: 11px; font-weight: 550; }
.kit-part-buttons { display: grid; grid-template-columns: 1fr; gap: 3px; }
.kit-part-button { display: flex; align-items: center; gap: 12px; min-height: 45px; padding: 10px 12px; border: 1px solid transparent; border-radius: 5px; background: transparent; text-align: left; font-size: 12px; line-height: 1.4; transition: background .2s ease, border-color .2s ease; }
.kit-part-button > span:first-child { flex: 0 0 22px; color: #97a387; font-size: 9px; font-variant-numeric: tabular-nums; }
.kit-part-button > span:nth-child(2) { flex: 1; }
.kit-part-button > span:last-child { font-size: 17px; opacity: 0; }
.kit-part-button[aria-pressed="true"] { border-color: #d5dfc8; background: #e9efdf; }
.kit-part-button[aria-pressed="true"] > span:last-child { opacity: 1; }
.kit-part-button[data-preview="true"] { border-color: #bdcbaa; background: #eef3e6; }
.kit-part-button:hover { background: #eef3e6; }
.kit-part-button:focus-visible { outline: 3px solid #627c46; outline-offset: 3px; }
.kit-noscript { margin-top: 20px; padding: 20px; border: 1px solid var(--line); }
.kit-next { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding-top: 65px; padding-bottom: 64px; }
.kit-next .eyebrow { color: #79896a; margin-bottom: 15px; font-size: 9px; }
.kit-next h2 { font-size: clamp(27px, 2.9vw, 38px); line-height: 1.15; letter-spacing: -1.1px; }
.kit-next p { max-width: 570px; margin-top: 14px; color: #727e66; font-size: 13px; }
.kit-next .button { flex-shrink: 0; min-width: 220px; }
.kit-footer { display: flex; justify-content: space-between; align-items: center; gap: 25px; min-height: 90px; border-top: 1px solid #dce1d5; color: #7d8871; font-size: 10px; }
.kit-footer > span { letter-spacing: 1.4px; }
.kit-footer a { display: inline-flex; align-items: center; gap: 18px; min-height: 44px; font-size: 12px; }
.kit-footer a:hover { color: var(--ink); }
@media (max-width: 1050px) {
  .kit-intro { gap: 7%; }
  .kit-explorer-grid { grid-template-columns: minmax(0, 1.2fr) minmax(280px, 1fr); gap: 30px; }
  .kit-detail-body h3 { font-size: 28px; }
  .kit-part-preview { height: 125px; }
}
@media (max-width: 800px) {
  .kit-header { min-height: 72px; }
  .kit-intro { padding-top: 35px; padding-bottom: 32px; gap: 35px; }
  .kit-intro h1 { font-size: 48px; letter-spacing: -2px; }
  .kit-intro-copy p { font-size: 14px; }
  .kit-explorer-heading { align-items: start; }
  .kit-explorer-heading h2 { max-width: 230px; }
  .kit-explorer-grid { grid-template-columns: 1fr; gap: 28px; }
  .kit-diagram { max-width: 500px; }
  .kit-information { position: static; padding: 0; }
  .kit-part-detail { min-height: 365px; padding: 0 0 26px; }
  .kit-part-preview { height: 120px; margin-top: 12px; }
  .kit-detail-body h3 { font-size: 31px; }
  .kit-part-buttons { grid-template-columns: 1fr 1fr; gap: 5px; }
  .kit-part-button { min-height: 49px; }
  .kit-next { padding-top: 50px; padding-bottom: 50px; gap: 25px; }
  .kit-next .button { min-width: 200px; }
}
@media (max-width: 600px) {
  .kit-header { gap: 17px; }
  .kit-back { gap: 8px; font-size: 12px; }
  .kit-back-prefix { display: none; }
  .kit-intro { grid-template-columns: 1fr; gap: 18px; padding-top: 29px; padding-bottom: 27px; }
  .kit-intro .eyebrow { margin-bottom: 14px; }
  .kit-intro h1 { font-size: clamp(41px, 11.2vw, 57px); letter-spacing: -1.9px; }
  .kit-intro-copy { padding: 0; max-width: 100%; }
  .kit-intro-copy p { font-size: 13px; line-height: 1.75; }
  .kit-intro-copy .text-link { margin-top: 9px; font-size: 12px; }
  .kit-explorer-heading { display: block; padding-top: 19px; padding-bottom: 10px; }
  .kit-explorer-heading h2 { font-size: 21px; max-width: none; }
  .kit-explorer-heading p { max-width: none; margin-top: 9px; text-align: left; font-size: 11px; }
  .kit-explorer-grid { gap: 24px; }
  .kit-journey-controls { gap: 8px; }
  .kit-journey-controls button { flex: 1; padding-inline: 9px; font-size: 10px; }
  .kit-figure figcaption { margin-top: 9px; text-align: left; }
  .kit-part-detail { min-height: 430px; padding-bottom: 23px; }
  .kit-part-preview { height: 120px; margin: 11px 0 15px; }
  .kit-detail-body h3 { font-size: 30px; }
  .kit-detail-body > p { font-size: 13px; }
  .kit-detail-body li { font-size: 12px; }
  .kit-part-picker { padding-top: 19px; }
  .kit-part-button { min-height: 58px; padding: 9px; gap: 7px; font-size: 11px; }
  .kit-part-button > span:first-child { flex-basis: 17px; }
  .kit-part-button > span:last-child { display: none; }
  .kit-next { flex-direction: column; align-items: stretch; gap: 25px; padding-top: 43px; padding-bottom: 39px; }
  .kit-next h2 { font-size: 29px; }
  .kit-next .button { width: 100%; }
  .kit-footer { align-items: start; flex-direction: column; justify-content: center; padding-top: 23px; padding-bottom: 20px; gap: 6px; }
}
@media (hover: none) { .kit-pointer-instruction { display: none; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .part-region { transform: none !important; transition: none; }
  .part-hit, .part-marker circle, .kit-part-button, .kit-variant-button { transition: none; }
}