:root {
  --background: #f5f1e8;
  --surface: #fcfbf7;
  --surface-soft: #eee9df;
  --text-main: #191919;
  --text-sub: #77736c;
  --line: #191919;
  --line-soft: #cac4b9;
  --primary: #1852d7;
  --vermilion: #e64c2e;
  --butter: #f2c84b;
  --lilac: #a890d5;
  --leaf: #287a58;
  --error: #b9382a;
  --font-body: -apple-system, BlinkMacSystemFont, "Noto Sans KR", "Pretendard", "Segoe UI", sans-serif;
  --font-display: Impact, Haettenschweiler, "Arial Narrow Bold", "Arial Narrow", sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;
  --container: 1440px;
  --side: 56px;
  --section: clamp(112px, 13vw, 220px);
  --mobile-section: 88px;
  --hero-title: clamp(66px, 8.8vw, 132px);
  --section-title: clamp(48px, 6vw, 94px);
  --body-size: 18px;
  --body-leading: 1.58;
  --caption-spacing: .14em;
  --radius-sm: 2px;
  --radius-md: 8px;
  --radius-lg: 18px;
  --radius-pill: 999px;
  --border: 1px solid var(--line);
  --shadow-soft: 0 12px 28px rgba(25, 25, 25, .08);
  --shadow-card: 0 18px 38px rgba(25, 25, 25, .14);
  --shadow-hover: 0 28px 48px rgba(25, 25, 25, .2);
  --hero-ratio: 1.22 / 1;
  --card-ratio: 1 / 1;
  --product-ratio: 1.5 / 1;
  --hover: 180ms ease;
  --active: 90ms ease;
  --focus: 2px solid var(--primary);
}

* { box-sizing: border-box; }
*[hidden] { display: none !important; }
html { scroll-behavior: smooth; background: var(--background); }
body { margin: 0; background: var(--background); color: var(--text-main); font-family: var(--font-body); font-size: var(--body-size); line-height: var(--body-leading); overflow-x: hidden; }
body[data-route="mark-table"] { background: #e9e4da; }
body, button, input { -webkit-font-smoothing: antialiased; }
button, a, input { font: inherit; }
button, a { color: inherit; }
button { border: 0; cursor: pointer; }
a { text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
canvas { display: block; }
::selection { background: var(--primary); color: var(--surface); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 100; top: 8px; left: 8px; padding: 12px 16px; background: var(--text-main); color: var(--surface); transform: translateY(-150%); transition: transform var(--hover); }
.skip-link:focus { transform: translateY(0); }
.site-shell { min-height: 100vh; }
.section-pad { padding-inline: var(--side); }
.loading-screen { position: fixed; z-index: 120; inset: 0; display: grid; place-content: center; justify-items: center; gap: 14px; background: var(--background); color: var(--text-main); transition: opacity 420ms ease, visibility 420ms ease; }
.loading-screen.is-ready { opacity: 0; visibility: hidden; pointer-events: none; }
.loading-screen span, .loading-screen small { font: 10px var(--font-mono); letter-spacing: .12em; text-transform: uppercase; }
.loading-screen small { color: var(--text-sub); }
body.is-modal-open { overflow: hidden; }
.eyebrow, .footer-label, .shelf-label, .image-label, .card-index, .step-no, .lesson-no, .frame-dots { font-family: var(--font-mono); font-size: 11px; line-height: 1.2; letter-spacing: var(--caption-spacing); text-transform: uppercase; }
.eyebrow { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin: 0 0 22px; color: var(--text-main); }
.eyebrow span { color: var(--text-sub); }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-weight: 500; }
h1, h2 { font-family: var(--font-display); letter-spacing: -.025em; line-height: .92; text-wrap: balance; }
h1 em, h2 em { color: var(--primary); font-style: normal; }
p { max-width: 44ch; }
.text-link { display: inline-flex; align-items: center; gap: 12px; padding: 0; background: none; border-bottom: 1px solid currentColor; color: var(--text-main); font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; transition: color var(--hover), border-color var(--hover); }
.text-link span { font-size: 18px; line-height: 1; }
.text-link:hover, .text-link:focus-visible { color: var(--primary); border-color: var(--primary); }
.text-button { padding: 0; background: transparent; color: var(--text-main); font-family: var(--font-mono); font-size: 10px; letter-spacing: .11em; text-transform: uppercase; }
.text-button span { color: var(--primary); }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 18px; min-height: 52px; padding: 12px 20px; border: 1px solid var(--text-main); font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; line-height: 1.2; text-transform: uppercase; transition: transform var(--active), background-color var(--hover), color var(--hover), box-shadow var(--hover); }
.button span { font-size: 18px; line-height: .8; }
.button-dark { background: var(--text-main); color: var(--surface); }
.button-dark:hover, .button-dark:focus-visible { background: var(--primary); box-shadow: 5px 5px 0 var(--text-main); transform: translate(-2px, -2px); }
.button-outline { background: transparent; color: var(--text-main); }
.button-outline:hover, .button-outline:focus-visible { background: var(--surface); box-shadow: 5px 5px 0 var(--primary); transform: translate(-2px, -2px); }
button:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible { outline: var(--focus); outline-offset: 4px; }

.site-header { position: relative; z-index: 20; display: grid; grid-template-columns: minmax(150px, 1fr) auto minmax(260px, 1fr); align-items: center; gap: 24px; min-height: 82px; padding: 18px var(--side); border-bottom: 1px solid var(--line-soft); background: rgba(245, 241, 232, .96); }
.wordmark { display: inline-flex; flex-direction: column; width: fit-content; font-family: var(--font-display); font-size: 26px; letter-spacing: -.04em; line-height: .78; }
.desktop-nav { display: flex; align-items: center; gap: clamp(20px, 2.4vw, 40px); }
.desktop-nav a, .bag-link { font-family: var(--font-mono); font-size: 10px; letter-spacing: .11em; text-transform: uppercase; transition: color var(--hover); }
.desktop-nav a:hover, .desktop-nav a.is-active, .bag-link:hover, .bag-link.is-active { color: var(--primary); }
.header-actions { display: flex; justify-content: flex-end; align-items: center; gap: 24px; }
.air-header-trigger { padding-bottom: 3px; border-bottom: 1px solid var(--line); }
.air-header-trigger:hover { color: var(--primary); border-color: var(--primary); }
.menu-toggle, .mobile-nav { display: none; }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, .46fr) minmax(0, .54fr); gap: 72px; align-items: center; min-height: calc(100vh - 82px); padding-top: 84px; padding-bottom: 114px; }
.hero-copy { position: relative; z-index: 2; padding-bottom: 32px; }
.hero h1 { max-width: 720px; margin: 0; font-size: var(--hero-title); }
.hero-intro { margin: 34px 0 34px; font-size: 17px; line-height: 1.65; }
.hero-support { margin: -17px 0 27px; color: var(--text-sub); font: 10px/1.45 var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hand-note, .visual-note, .grain-note { font-family: "Comic Sans MS", "Bradley Hand", cursive; font-size: 17px; line-height: 1.12; letter-spacing: .01em; transform: rotate(-5deg); }
.hand-note { margin: 68px 0 0 5px; }
.hand-note i, .visual-note i, .grain-note i { display: block; width: 38px; height: 2px; margin-top: 13px; background: currentColor; transform: rotate(-7deg); }
.hero-visual { position: relative; align-self: stretch; display: flex; align-items: center; min-width: 0; }
.hero-frame { position: relative; width: 100%; aspect-ratio: var(--hero-ratio); border: var(--border); background: var(--surface); box-shadow: var(--shadow-card); overflow: visible; }
.frame-dots { position: absolute; z-index: 3; top: 12px; left: 16px; font-family: var(--font-body); font-size: 15px; letter-spacing: 2px; line-height: 1; }
.hero-frame img { width: 100%; height: 100%; object-fit: cover; }
#hero-mark { position: absolute; z-index: 2; inset: auto -7% -13% -11%; width: 118%; height: 44%; pointer-events: none; }
.hero-drag-target { position: absolute; z-index: 4; right: 14%; bottom: 10%; display: grid; place-items: center; width: 92px; height: 92px; border: 1px dashed var(--primary); border-radius: 50%; background: rgba(245, 241, 232, .78); color: var(--primary); font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; line-height: 1.4; text-align: center; text-transform: uppercase; transition: transform var(--hover), background-color var(--hover); }
.hero-drag-target:hover, .hero-drag-target:focus-visible { background: var(--primary); color: var(--surface); transform: rotate(8deg) scale(1.06); }
.hero-stamp { position: absolute; z-index: 3; top: 10%; right: -3%; padding: 8px 10px; background: var(--text-main); color: var(--surface); font-family: var(--font-mono); font-size: 10px; letter-spacing: .09em; line-height: 1.2; transform: rotate(4deg); }
.hero-stamp b { color: var(--butter); font-size: 8px; }
.visual-note { position: absolute; right: -36px; bottom: -86px; z-index: 3; color: var(--text-main); }
.hero-bottom-line { position: absolute; right: var(--side); bottom: 30px; left: var(--side); display: flex; justify-content: space-between; gap: 16px; padding-top: 13px; border-top: 1px solid var(--line); color: var(--text-sub); font-family: var(--font-mono); font-size: 9px; letter-spacing: .1em; text-transform: uppercase; }
.hero-bottom-line span:first-child { color: var(--text-main); }

.behavior-section { padding-top: var(--section); padding-bottom: var(--section); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(220px, .55fr); align-items: end; gap: 44px; margin-bottom: 56px; }
.section-heading .eyebrow { grid-column: 1 / -1; margin-bottom: -8px; }
.section-heading h2 { margin-bottom: 0; font-size: var(--section-title); }
.section-heading > p { margin: 0 0 5px; color: var(--text-sub); font-size: 15px; }
.behavior-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 38px; align-items: stretch; }
.paper-surface { position: relative; background: var(--surface); }
.behavior-stage { min-height: 390px; padding: 28px; border: var(--border); box-shadow: var(--shadow-soft); overflow: hidden; }
.stage-corner, .stage-foot { position: absolute; z-index: 2; color: var(--text-sub); font-family: var(--font-mono); font-size: 9px; letter-spacing: .11em; text-transform: uppercase; }
.stage-corner { top: 22px; left: 24px; }
.stage-corner.is-linked { color: var(--primary); }
.stage-foot { right: 24px; bottom: 21px; max-width: 310px; text-align: right; }
#behavior-canvas { width: 100%; height: 100%; min-height: 330px; }
.behavior-controls { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.behavior-tab { position: relative; display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-content: start; min-height: 116px; padding: 20px 10px 15px 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left; }
.behavior-tab b { color: var(--text-sub); font: 10px var(--font-mono); }
.behavior-tab span { font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; }
.behavior-tab-swatch { grid-column: 2; position: relative; display: block; width: 100%; height: 17px; margin-top: 1px; }
.behavior-tab-swatch em { position: absolute; display: block; margin: 0; background: var(--primary); font-style: normal; }
.behavior-tab-swatch--dry em { top: 8px; height: 3px; transform: rotate(-2deg); }
.behavior-tab-swatch--dry em:nth-child(1) { left: 0; width: 18%; }
.behavior-tab-swatch--dry em:nth-child(2) { left: 24%; width: 13%; transform: rotate(3deg); }
.behavior-tab-swatch--dry em:nth-child(3) { left: 44%; width: 26%; transform: rotate(-4deg); }
.behavior-tab-swatch--dry em:nth-child(4) { left: 77%; width: 15%; transform: rotate(2deg); }
.behavior-tab-swatch--smudged em { top: 4px; left: 3%; width: 88%; height: 11px; border-radius: 50%; opacity: .28; filter: blur(3px); transform: rotate(-3deg); }
.behavior-tab-swatch--water em:first-child { top: 2px; left: 1%; width: 93%; height: 9px; border-radius: 50%; opacity: .17; filter: blur(4px); transform: rotate(2deg); }
.behavior-tab-swatch--water em:last-child { top: 8px; left: 7%; width: 82%; height: 2px; opacity: .62; transform: rotate(-2deg); }
.behavior-tab small { grid-column: 2; color: var(--text-sub); font-size: 12px; line-height: 1.35; }
.behavior-tab::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 3px; background: transparent; content: ""; }
.behavior-tab.is-active::after { background: var(--primary); }
.behavior-tab.is-active span { color: var(--primary); }
.micro-copy { margin: auto 0 0; padding-top: 20px; color: var(--text-sub); font-size: 13px; }

.product-theatre { position: relative; padding-top: calc(var(--section) * .8); padding-bottom: var(--section); }
.theatre-meta { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 25px; }
.theatre-meta .eyebrow { margin: 0; }
.theatre-meta > span { color: var(--text-sub); font: 11px var(--font-mono); letter-spacing: .12em; }
.theatre-layout { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(290px, .65fr); gap: clamp(50px, 8vw, 120px); align-items: center; }
.theatre-image { position: relative; aspect-ratio: var(--product-ratio); border: var(--border); background: var(--surface); box-shadow: 18px 18px 0 var(--butter); }
.theatre-image img { width: 100%; height: 100%; object-fit: cover; }
.image-label { position: absolute; z-index: 2; padding: 7px 9px; background: var(--text-main); color: var(--surface); font-size: 9px; line-height: 1.25; }
.image-label--left { bottom: 16px; left: 16px; }
.image-label--right { top: 16px; right: 16px; background: var(--surface); color: var(--text-main); border: 1px solid var(--line); }
.theatre-color-rail { position: absolute; z-index: 3; right: 17px; bottom: 17px; display: flex; align-items: end; gap: 7px; }
.theatre-color-rail button { display: grid; place-items: end center; width: 23px; height: 63px; padding-bottom: 5px; border: 1px solid var(--line); background: var(--bar); color: var(--surface); font: 8px var(--font-mono); box-shadow: 3px 3px 0 rgba(25, 25, 25, .2); transform: rotate(-2deg); transition: transform var(--hover), height var(--hover); }
.theatre-color-rail button:nth-child(2) { height: 52px; transform: rotate(4deg); }
.theatre-color-rail button:nth-child(3) { height: 71px; transform: rotate(-3deg); }
.theatre-color-rail button:nth-child(4) { height: 56px; transform: rotate(5deg); }
.theatre-color-rail button:nth-child(5) { height: 67px; transform: rotate(-5deg); }
.theatre-color-rail button:hover, .theatre-color-rail button:focus-visible, .theatre-color-rail button.is-selected { height: 79px; transform: translateY(-8px) rotate(8deg); }
.theatre-copy h2 { margin: 0 0 28px; font-size: clamp(58px, 6.2vw, 96px); }
.theatre-copy > .theatre-claim { max-width: 29ch; margin: -12px 0 25px; color: var(--primary); font: 14px/1.3 var(--font-mono); letter-spacing: .08em; }
.theatre-copy > p:not(.eyebrow) { margin-bottom: 30px; font-size: 17px; }
.spec-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 34px; padding-block: 16px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font: 10px var(--font-mono); letter-spacing: .08em; }
.spec-list span { display: flex; justify-content: space-between; gap: 12px; }
.spec-list b { font-weight: 400; text-align: right; }

.finder-section { padding-top: var(--section); padding-bottom: var(--section); border-top: 1px solid var(--line-soft); }
.finder-intro { margin-bottom: 58px; }
.finder-intro h2 { margin: 0; font-size: var(--section-title); }
.finder-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .72fr); gap: 72px; align-items: start; }
.finder-choices { border-top: 1px solid var(--line); }
.finder-choice { display: grid; grid-template-columns: 34px 1fr auto; gap: 12px; align-items: center; width: 100%; min-height: 72px; padding: 15px 0; border-bottom: 1px solid var(--line); background: transparent; font-family: var(--font-mono); font-size: clamp(12px, 1.2vw, 16px); letter-spacing: .08em; text-align: left; transition: color var(--hover), padding var(--hover); }
.finder-choice span { color: var(--text-sub); font-size: 10px; }
.finder-choice i { font-style: normal; font-size: 20px; }
.finder-choice:hover, .finder-choice:focus-visible, .finder-choice.is-active { padding-left: 12px; color: var(--primary); }
.finder-result { min-height: 360px; padding: 32px; border: var(--border); box-shadow: 16px 16px 0 var(--primary); }
.finder-result h3 { margin: 0 0 12px; font-family: var(--font-display); font-size: 44px; line-height: .95; }
.finder-result > p:not(.eyebrow) { min-height: 50px; color: var(--text-sub); font-size: 15px; }
.finder-materials { display: flex; flex-wrap: wrap; gap: 8px; margin: 25px 0 35px; }
.finder-materials span { display: inline-flex; align-items: center; gap: 7px; padding: 7px 9px; border: 1px solid var(--line); font: 9px var(--font-mono); letter-spacing: .08em; }
.finder-materials span[style]::before { width: 10px; height: 10px; border-radius: 50%; background: var(--swatch); content: ""; }
.finder-mark { width: 100%; height: 92px; margin-bottom: 18px; border-bottom: 7px solid var(--primary); border-radius: 50%; transform: rotate(-5deg); opacity: .9; }
.finder-mark--grain { border-bottom-style: dashed; }
.finder-mark--move { border-bottom-width: 17px; filter: blur(.5px); }
.finder-mark--water { border-bottom-width: 3px; box-shadow: 0 12px 0 rgba(24, 82, 215, .22), 0 22px 0 rgba(24, 82, 215, .13); }
.finder-mark--reveal { border-bottom: 5px solid var(--vermilion); box-shadow: 25px -16px 0 -20px var(--primary), 52px 18px 0 -23px var(--butter); }

.soft-section { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, .75fr); gap: clamp(50px, 10vw, 160px); align-items: center; padding-top: var(--section); padding-bottom: var(--section); }
.soft-image { position: relative; aspect-ratio: 1 / 1; border: var(--border); background: var(--surface); box-shadow: -18px 20px 0 var(--lilac); }
.soft-image img { width: 100%; height: 100%; object-fit: cover; }
.soft-particle-field { position: absolute; z-index: 1; inset: 0; overflow: hidden; pointer-events: none; }
.soft-particle { position: absolute; display: block; width: var(--particle-size); height: var(--particle-size); border-radius: 50% 42% 46% 34%; background: var(--particle-color); opacity: .66; transform: translate3d(0, 0, 0) rotate(var(--particle-rotation)); transition: transform 620ms cubic-bezier(.2, .8, .25, 1), opacity 220ms ease; }
.soft-particle.is-pushed { opacity: .86; }
.soft-image .image-label { z-index: 2; right: 15px; bottom: 15px; }
.soft-copy h2 { margin-bottom: 30px; font-size: var(--section-title); }
.soft-copy > p:not(.eyebrow) { margin-bottom: 34px; color: var(--text-sub); font-size: 16px; }
.data-row { display: flex; justify-content: space-between; gap: 20px; padding: 13px 0; border-top: 1px solid var(--line); font: 10px var(--font-mono); letter-spacing: .08em; }
.data-row:last-of-type { border-bottom: 1px solid var(--line); }
.data-row strong { font-size: 14px; font-weight: 400; }
.data-row strong span { color: var(--text-sub); font-size: 10px; }

.grain-section { padding-inline: 0; }
.grain-image { position: relative; min-height: 650px; overflow: hidden; }
.grain-image > img { width: 100%; height: 100%; min-height: 650px; object-fit: cover; transition: transform 620ms ease, filter 620ms ease; }
.grain-image[data-surface="smooth"] > img { transform: translateX(1.5%) scale(1.03); filter: contrast(1.04) saturate(.94); }
.grain-image[data-surface="medium"] > img { transform: none; filter: none; }
.grain-image[data-surface="deep"] > img { transform: translateX(-1.5%) scale(1.03); filter: contrast(1.1) saturate(.9); }
.grain-selector { position: absolute; z-index: 3; right: var(--side); bottom: 76px; display: grid; grid-template-columns: auto minmax(120px, 180px) auto; align-items: center; gap: 12px; padding: 10px 12px; border: 1px solid var(--line); background: rgba(252, 251, 247, .9); font: 9px var(--font-mono); letter-spacing: .1em; }
.grain-selector input { width: 100%; accent-color: var(--primary); }
.grain-selector output { color: var(--primary); }
.grain-overlay { position: absolute; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.grain-overlay span { padding: 16px var(--side); border-right: 1px solid var(--line); background: rgba(245, 241, 232, .83); font: 11px var(--font-mono); letter-spacing: .12em; }
.grain-overlay span.is-active { background: var(--primary); color: var(--surface); }
.grain-overlay span:last-child { border-right: 0; }
.grain-head { position: absolute; top: 52px; left: var(--side); max-width: 620px; }
.grain-head .eyebrow { color: var(--surface); }
.grain-head h2 { margin: 0; font-size: clamp(58px, 7vw, 108px); text-shadow: 1px 1px 0 var(--surface); }
.grain-head h2 em { color: var(--surface); }
.grain-note { position: absolute; right: 9%; bottom: 19%; color: var(--surface); text-shadow: 1px 1px 0 var(--text-main); }

.tools-section { display: grid; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); gap: 90px; padding-top: var(--section); padding-bottom: var(--section); }
.tools-heading h2 { margin: 0 0 28px; font-size: var(--section-title); }
.tools-heading > p:not(.eyebrow) { color: var(--text-sub); font-size: 16px; }
.tools-sequence { display: grid; grid-template-columns: repeat(3, 1fr); align-items: start; padding-top: 36px; }
.tool-step { position: relative; min-height: 330px; padding: 0 24px; border-left: 1px solid var(--line); }
.tool-step:last-child { border-right: 1px solid var(--line); }
.tool-step .step-no { color: var(--text-sub); }
.tool-line { width: 100%; height: 1px; margin: 45px 0 30px; background: var(--line); }
.tool-step strong { display: block; font-family: var(--font-display); font-size: 42px; line-height: 1; }
.tool-step small { display: block; margin-top: 12px; color: var(--text-sub); font-size: 12px; }
.tool-mark { position: absolute; right: 24px; bottom: 35px; left: 24px; display: block; height: 40px; border-bottom: 10px solid var(--primary); border-radius: 50%; transform: rotate(-6deg); }
.tool-step--lift .tool-mark { height: 25px; border-bottom: 3px solid var(--butter); box-shadow: 0 -12px 0 -8px var(--primary); }
.tool-step--scrape .tool-mark { height: 35px; border-bottom: 4px solid var(--vermilion); box-shadow: 0 13px 0 -10px var(--text-main); }

.teaser-section { padding-top: var(--section); padding-bottom: var(--section); border-top: 1px solid var(--line-soft); }
.teaser-header { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 46px; }
.teaser-header h2 { margin: 0; font-size: var(--section-title); }
.teaser-workbench { display: grid; grid-template-columns: 112px minmax(0, 1fr) 260px; min-height: 390px; border: var(--border); background: var(--surface-soft); box-shadow: var(--shadow-card); }
.teaser-shelf { display: flex; flex-direction: column; gap: 12px; padding: 22px 18px; border-right: 1px solid var(--line); }
.teaser-shelf i { display: block; width: 46px; height: 24px; background: var(--bar); box-shadow: 4px 4px 0 rgba(25, 25, 25, .15); transform: rotate(-4deg); }
.teaser-paper { display: flex; flex-direction: column; justify-content: space-between; min-height: 390px; padding: 26px; border-right: 1px solid var(--line); }
.teaser-paper > span { font: 10px var(--font-mono); letter-spacing: .1em; }
.teaser-paper b { font: 11px var(--font-mono); letter-spacing: .08em; }
.teaser-line { width: 80%; height: 100px; margin: auto; border-bottom: 17px solid var(--primary); border-radius: 52%; transform: rotate(-8deg); box-shadow: 0 10px 0 -4px var(--vermilion); }
.teaser-inspector { display: flex; flex-direction: column; gap: 16px; padding: 23px 20px; }
.teaser-inspector b { margin-top: 32px; font: 19px var(--font-mono); letter-spacing: .06em; }
.teaser-inspector small { color: var(--text-sub); font: 10px/1.5 var(--font-mono); letter-spacing: .07em; }
.teaser-inspector i { width: 84px; height: 2px; margin-top: auto; background: var(--primary); }
.teaser-workbench { position: relative; overflow: hidden; }
.teaser-workbench.is-previewing .teaser-line { transform: rotate(-8deg) translateX(5%); }
.teaser-workbench[data-phase="1"] .teaser-line { transform: rotate(-8deg) translateX(13%) scaleX(1.08); }
.teaser-workbench[data-phase="2"] .teaser-line { border-bottom-color: var(--vermilion); box-shadow: 0 10px 0 -4px var(--primary); transform: rotate(-12deg) translateX(4%) scaleX(1.02); }
.teaser-workbench[data-phase="3"] .teaser-line { border-bottom-color: var(--butter); box-shadow: 0 10px 0 -4px var(--vermilion); transform: rotate(-4deg) translateX(0) scaleX(.92); }
.teaser-workbench.is-user-controlled { cursor: crosshair; }

.recipe-preview-section { display: grid; grid-template-columns: minmax(0, .75fr) minmax(0, 1fr); gap: clamp(50px, 12vw, 190px); align-items: start; padding-top: var(--section); padding-bottom: var(--section); }
.recipe-heading h2 { margin: 0 0 28px; font-size: var(--section-title); }
.recipe-heading > p:not(.eyebrow) { color: var(--text-sub); font-size: 16px; }
.recipe-receipt { border: var(--border); background: var(--surface); box-shadow: 17px 17px 0 var(--butter); }
.receipt-top, .receipt-bottom { display: flex; justify-content: space-between; gap: 24px; padding: 17px 20px; font: 9px var(--font-mono); letter-spacing: .11em; }
.receipt-top { border-bottom: 1px dashed var(--line); color: var(--text-sub); }
.receipt-bottom { align-items: center; border-top: 1px dashed var(--line); }
.receipt-bottom .text-link { font-size: 9px; }
.receipt-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; }
.receipt-actions a { color: var(--text-main); font: 9px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.receipt-actions a:hover, .receipt-actions a:focus-visible { color: var(--primary); }
#home-recipe-lines, #route-recipe-lines { padding: 35px 22px; }
#home-recipe-lines p, #route-recipe-lines p { display: flex; justify-content: space-between; gap: 16px; margin: 0; padding: 17px 0; border-bottom: 1px solid var(--line-soft); font: 11px var(--font-mono); letter-spacing: .06em; }
#home-recipe-lines p:last-child, #route-recipe-lines p:last-child { border-bottom: 0; }
#home-recipe-lines span, #route-recipe-lines span { color: var(--text-sub); text-align: right; }

.kit-section { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(310px, .8fr); gap: clamp(50px, 9vw, 135px); align-items: center; padding-top: var(--section); padding-bottom: var(--section); border-top: 1px solid var(--line-soft); }
.kit-image { position: relative; aspect-ratio: 1.4 / 1; border: var(--border); background: var(--surface); box-shadow: 18px -18px 0 var(--leaf); }
.kit-image img { width: 100%; height: 100%; object-fit: cover; }
.kit-image .image-label { right: 14px; bottom: 14px; }
.kit-copy h2 { margin: 0 0 27px; font-size: var(--section-title); }
.kit-copy > p:not(.eyebrow) { margin-bottom: 28px; color: var(--text-sub); font-size: 16px; }
.price-lockup { display: flex; align-items: baseline; gap: 13px; margin-bottom: 28px; }
.price-lockup strong { font: 23px var(--font-mono); }
.price-lockup span { color: var(--text-sub); font: 10px var(--font-mono); letter-spacing: .1em; }

.lessons-bridge { padding-top: var(--section); padding-bottom: var(--section); }
.lessons-heading { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 46px; }
.lessons-heading h2 { margin: 0; font-size: var(--section-title); }
.lesson-strip { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.lesson-strip a { position: relative; display: flex; flex-direction: column; min-height: 270px; padding: 25px 22px; border-right: 1px solid var(--line); transition: background-color var(--hover), color var(--hover); }
.lesson-strip a:last-child { border-right: 0; }
.lesson-strip a:hover, .lesson-strip a:focus-visible { background: var(--text-main); color: var(--surface); }
.lesson-no { color: var(--text-sub); }
.lesson-strip strong { max-width: 13ch; margin-top: auto; font: 23px/.98 var(--font-display); letter-spacing: -.01em; }
.lesson-strip small { margin-top: 10px; color: var(--text-sub); font-size: 12px; }
.lesson-before, .lesson-after { position: absolute; display: block; height: 10px; background: var(--lesson-color); border-radius: 50%; transform: rotate(-8deg); }
.lesson-before { top: 104px; left: 22px; width: 72%; opacity: .35; }
.lesson-after { top: 128px; left: 32px; width: 57%; box-shadow: 8px 4px 0 -2px var(--surface-soft); }

.honesty-section { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(55px, 9vw, 150px); align-items: center; padding-top: var(--section); padding-bottom: var(--section); border-top: 1px solid var(--line-soft); }
.honesty-copy h2 { margin: 0 0 32px; font-size: clamp(54px, 6.4vw, 100px); }
.honesty-copy > p:not(.eyebrow) { margin-bottom: 28px; color: var(--text-sub); font-size: 16px; }
.honesty-image { position: relative; aspect-ratio: 1.3 / 1; border: var(--border); background: var(--surface); box-shadow: -18px 20px 0 var(--vermilion); }
.honesty-image img { width: 100%; height: 100%; object-fit: cover; }
.honesty-image .image-label { top: 16px; left: 16px; background: var(--surface); color: var(--text-main); border: 1px solid var(--line); }

.site-footer { padding-top: 120px; padding-bottom: 28px; border-top: 1px solid var(--line); }
.footer-mark { position: relative; width: fit-content; margin-bottom: 110px; font-family: var(--font-display); font-size: clamp(62px, 9vw, 140px); letter-spacing: -.04em; line-height: .8; }
.footer-mark span { display: block; font-family: var(--font-mono); font-size: 11px; letter-spacing: .14em; line-height: 1; }
.footer-mark strong { font-weight: 500; }
.footer-mark i { position: absolute; right: -50px; bottom: -18px; width: 82px; height: 4px; background: var(--primary); transform: rotate(-7deg); }
.footer-grid { display: grid; grid-template-columns: 1fr .65fr .8fr 1.2fr; gap: 45px; padding-bottom: 75px; }
.wordmark--footer { margin-bottom: 22px; font-size: 29px; }
.footer-grid p { color: var(--text-sub); font: 10px/1.45 var(--font-mono); letter-spacing: .1em; }
.footer-grid > div:not(.footer-form-wrap) { display: flex; flex-direction: column; gap: 10px; }
.footer-label { margin-bottom: 9px; color: var(--text-sub); }
.footer-grid a:not(.wordmark) { width: fit-content; font-size: 13px; }
.footer-grid a:not(.wordmark):hover { color: var(--primary); }
.footer-form-wrap small { display: block; margin-top: 11px; color: var(--text-sub); font-size: 11px; }
#note-form { display: flex; border-bottom: 1px solid var(--line); }
#note-form input { width: 100%; min-width: 0; padding: 11px 0; border: 0; outline: 0; background: transparent; color: var(--text-main); font: 11px var(--font-mono); letter-spacing: .1em; }
#note-form input::placeholder { color: var(--text-sub); }
#note-form button { flex: 0 0 auto; padding: 0 0 0 12px; background: transparent; color: var(--text-main); font: 9px var(--font-mono); letter-spacing: .08em; }
#note-form button:hover { color: var(--primary); }
.footer-bottom { display: flex; justify-content: space-between; gap: 22px; padding-top: 15px; border-top: 1px solid var(--line); color: var(--text-sub); font: 9px var(--font-mono); letter-spacing: .09em; }

[data-route-view] { animation: route-in 420ms ease both; }
@keyframes route-in { from { opacity: 0; } to { opacity: 1; } }
.route-hero { display: grid; grid-template-columns: 1fr .55fr; gap: 80px; align-items: end; padding-top: 120px; padding-bottom: 90px; }
.route-hero h1 { margin: 0; font-size: clamp(72px, 10vw, 150px); }
.route-hero > p:last-child { margin: 0 0 7px; color: var(--text-sub); }
.route-hero--sets { background: var(--butter); }
.route-hero--sets em { color: var(--text-main); }

.materials-shelf { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 42px; padding-top: 0; padding-bottom: var(--section); }
.material-card { align-self: start; border-top: 1px solid var(--line); }
.material-card--feature { grid-column: 1 / -1; display: grid; grid-template-columns: 1.35fr .65fr; gap: 45px; padding-bottom: 42px; }
.material-image { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--surface); }
.material-card--feature .material-image { aspect-ratio: 1.5 / 1; }
.material-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms cubic-bezier(.2,.7,.2,1); }
.material-card:hover .material-image img { transform: scale(1.035); }
.material-card-body { padding-top: 23px; }
.card-index { color: var(--text-sub); }
.material-card h2 { margin: 22px 0 8px; font-size: clamp(38px, 4vw, 65px); }
.material-card p { min-height: 45px; margin-bottom: 27px; color: var(--text-sub); font: 12px/1.4 var(--font-mono); letter-spacing: .08em; }
.card-meta { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding: 14px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); font: 10px var(--font-mono); letter-spacing: .06em; }
.card-meta b { font-weight: 400; }
.card-meta small { color: var(--text-sub); font-size: 8px; }
.material-card .text-link { margin-top: 22px; }
.material-notes { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; padding-top: 75px; padding-bottom: 110px; background: var(--text-main); color: var(--surface); }
.material-notes h2 { margin: 0; font-size: clamp(48px, 5.8vw, 88px); }
.material-notes h2 em { color: var(--butter); }
.material-notes .eyebrow { color: var(--surface); }
.notes-table { border-top: 1px solid rgba(252, 251, 247, .55); }
.notes-table div { display: flex; justify-content: space-between; gap: 20px; padding: 17px 0; border-bottom: 1px solid rgba(252, 251, 247, .3); font: 10px var(--font-mono); letter-spacing: .07em; }
.notes-table span { color: rgba(252, 251, 247, .62); }
.notes-table b { max-width: 22ch; font-weight: 400; text-align: right; }

.pdp-hero { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(310px, .8fr); gap: 74px; align-items: center; padding-top: 100px; padding-bottom: var(--section); }
.pdp-image { position: relative; aspect-ratio: var(--product-ratio); border: var(--border); background: var(--surface); box-shadow: 20px 20px 0 var(--primary); }
.pdp-image img { width: 100%; height: 100%; object-fit: cover; }
.pdp-image .image-label { right: 15px; bottom: 15px; }
.pdp-facts h1 { margin: 0; font-size: clamp(100px, 15vw, 220px); }
.pdp-facts h2 { margin: 6px 0 24px; font-size: clamp(48px, 5vw, 80px); }
.pdp-facts > p:not(.eyebrow) { color: var(--text-sub); font-size: 16px; }
.pdp-price { display: flex; align-items: baseline; gap: 14px; margin: 30px 0; padding-block: 17px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.pdp-price strong { font: 22px var(--font-mono); }
.pdp-price span, .truth-note { color: var(--text-sub); font: 9px var(--font-mono); letter-spacing: .08em; }
.pdp-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.truth-note { display: block; margin-top: 17px; line-height: 1.5; }
.pdp-color { display: grid; grid-template-columns: .55fr 1fr; gap: 70px; padding-top: 80px; padding-bottom: var(--section); background: var(--surface-soft); }
.pdp-section-heading h2, .detail-block h2, .safety-copy h2, .package-copy h2 { margin: 0 0 24px; font-size: clamp(50px, 6vw, 90px); }
.pdp-section-heading > p:not(.eyebrow), .detail-block > p:not(.eyebrow), .safety-copy > p:not(.eyebrow), .package-copy > p:not(.eyebrow) { color: var(--text-sub); font-size: 15px; }
.pdp-color-stage { align-self: center; }
.pdp-stick-row { display: flex; align-items: end; gap: 20px; min-height: 190px; padding: 0 0 30px 35px; border-bottom: 1px solid var(--line); }
.pdp-stick-row button { position: relative; width: 50px; height: 155px; background: var(--stick); box-shadow: 9px 10px 0 rgba(25, 25, 25, .15); transform: rotate(var(--rotation, -3deg)); transition: transform var(--hover), height var(--hover); }
.pdp-stick-row button:nth-child(2) { --rotation: 4deg; height: 133px; }
.pdp-stick-row button:nth-child(3) { --rotation: -1deg; height: 170px; }
.pdp-stick-row button:nth-child(4) { --rotation: 5deg; height: 143px; }
.pdp-stick-row button:nth-child(5) { --rotation: -6deg; height: 126px; }
.pdp-stick-row button:nth-child(6) { --rotation: 2deg; height: 151px; }
.pdp-stick-row button::after { position: absolute; right: 7px; bottom: 7px; left: 7px; height: 3px; background: rgba(252, 251, 247, .44); content: ""; }
.pdp-stick-row button:hover, .pdp-stick-row button.is-selected { height: 180px; transform: translateY(-16px) rotate(0); }
.pdp-mark-preview { width: min(100%, 620px); height: 100px; margin-top: 36px; border-bottom: 15px solid var(--primary); border-radius: 50%; transform: rotate(-5deg); }
.pdp-mark-cta { margin-top: 21px; }
.pdp-stick-row button::before { position: absolute; right: -14px; bottom: -25px; left: -14px; color: var(--text-sub); content: attr(data-color-label); font: 8px var(--font-mono); letter-spacing: .04em; transform: rotate(calc(var(--rotation, -3deg) * -1)); white-space: nowrap; }
.ways-section { padding-top: var(--section); padding-bottom: var(--section); }
.ways-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.way-panel { position: relative; min-height: 300px; padding: 23px; border: 1px solid var(--line); background: var(--surface); text-align: left; overflow: hidden; }
.way-panel:nth-child(2) { border-radius: 50% 2px 2px 2px; }
.way-panel:nth-child(3) { border-radius: 2px 2px 22px 2px; }
.way-panel > span { font: 10px var(--font-mono); letter-spacing: .1em; }
.way-panel i { position: absolute; right: 22px; bottom: 98px; left: 22px; height: 42px; border-bottom: 11px solid var(--primary); border-radius: 50%; transform: rotate(-5deg); }
.way-panel:nth-child(2) i { border-bottom-color: var(--vermilion); border-bottom-width: 18px; filter: blur(.4px); }
.way-panel:nth-child(3) i { border-bottom-color: var(--leaf); border-bottom-width: 5px; box-shadow: 0 12px 0 rgba(40, 122, 88, .25); }
.way-panel b { position: absolute; bottom: 45px; left: 23px; font: 17px var(--font-mono); letter-spacing: .04em; }
.way-panel small { position: absolute; bottom: 21px; left: 23px; color: var(--text-sub); font-size: 11px; }
.way-panel:hover, .way-panel.is-active { box-shadow: 9px 9px 0 var(--butter); transform: translate(-2px, -2px); }
.pdp-detail { display: grid; grid-template-columns: 1.05fr .95fr; gap: 100px; align-items: center; padding-top: 100px; padding-bottom: 100px; border-top: 1px solid var(--line-soft); }
.detail-block h2 { font-size: clamp(50px, 5.3vw, 82px); }
.layer-swatches { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 35px; }
.layer-combo { display: grid; grid-template-columns: 22px 22px 1fr; align-items: center; min-height: 82px; padding: 9px; border: 1px solid var(--line-soft); background: var(--surface); text-align: left; transition: border-color var(--hover), box-shadow var(--hover), transform var(--hover); }
.layer-combo i { display: block; width: 22px; height: 58px; border: 1px solid var(--line); background: var(--layer); transform: rotate(-4deg); }
.layer-combo i:nth-child(2) { height: 66px; transform: translateX(-3px) rotate(5deg); }
.layer-combo span { padding-left: 9px; font: 8px/1.35 var(--font-mono); letter-spacing: .04em; }
.layer-combo.is-selected, .layer-combo:hover, .layer-combo:focus-visible { border-color: var(--line); box-shadow: 5px 5px 0 var(--butter); transform: translate(-2px, -2px); }
.dimension-card { padding: 28px; border: var(--border); background: var(--butter); transform: rotate(2deg); }
.dimension-card strong { display: block; margin: 32px 0 12px; font: 48px var(--font-display); }
.dimension-card strong span { font: 14px var(--font-mono); }
.dimension-card small { display: block; max-width: 24ch; font: 10px/1.5 var(--font-mono); }
.dimension-drawing { position: relative; height: 80px; margin-top: 35px; border-bottom: 1px solid var(--line); }
.dimension-drawing i { position: absolute; bottom: 20px; left: 8%; width: 78%; height: 30px; border: 1px solid var(--line); border-radius: 4px; }
.dimension-drawing span { position: absolute; right: 0; bottom: 0; font: 9px var(--font-mono); letter-spacing: .1em; }
.safety-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 88px; align-items: center; padding-top: var(--section); padding-bottom: var(--section); background: var(--text-main); color: var(--surface); }
.safety-copy h2 em { color: var(--vermilion); }
.safety-copy .eyebrow, .safety-copy > p:not(.eyebrow) { color: var(--surface); }
.safety-copy > p:not(.eyebrow) { opacity: .72; }
.safety-list { margin-top: 35px; border-top: 1px solid rgba(252, 251, 247, .4); }
.safety-list span { display: flex; justify-content: space-between; gap: 16px; padding: 14px 0; border-bottom: 1px solid rgba(252, 251, 247, .22); color: rgba(252, 251, 247, .66); font: 10px var(--font-mono); }
.safety-list b { color: var(--surface); font-weight: 400; }
.package-stage { position: relative; aspect-ratio: 1.3 / 1; border: 1px solid var(--surface); background: var(--surface); }
.package-stage img { width: 100%; height: 100%; object-fit: cover; }
.package-stage .image-label { top: 14px; left: 14px; background: var(--surface); color: var(--text-main); }
.package-section { display: grid; grid-template-columns: .65fr 1.35fr; gap: 90px; align-items: center; padding-top: var(--section); padding-bottom: var(--section); }
.package-visual { position: relative; aspect-ratio: var(--product-ratio); border: var(--border); overflow: hidden; }
.package-visual img { width: 100%; height: 100%; object-fit: cover; transition: filter 500ms ease, transform 500ms ease; }
.package-visual::after { position: absolute; z-index: 2; top: 14px; right: 14px; padding: 6px 8px; border: 1px solid var(--line); background: var(--surface); color: var(--text-main); content: attr(data-package-state) " / PROPOSED"; font: 8px var(--font-mono); letter-spacing: .08em; text-transform: uppercase; }
.package-visual[data-package-state="slide"] img { transform: translateX(5%) rotate(-1deg) scale(1.03); }
.package-visual[data-package-state="closed"] img { filter: grayscale(.18) contrast(1.08); transform: scale(.94) rotate(-1deg); }
.package-visual[data-package-state="used"] img { filter: saturate(.75) contrast(1.1); transform: rotate(1deg) scale(1.06); }
.related-section { padding-top: 80px; padding-bottom: var(--section); }
.related-links { border-top: 1px solid var(--line); }
.related-links a { display: flex; justify-content: space-between; gap: 30px; padding: 21px 0; border-bottom: 1px solid var(--line); font: 11px var(--font-mono); letter-spacing: .09em; transition: padding var(--hover), color var(--hover); }
.related-links a span { color: var(--text-sub); }
.related-links a:hover { padding-inline: 14px; color: var(--primary); }

.sets-feature { display: grid; grid-template-columns: 1.3fr .7fr; gap: 92px; align-items: center; padding-top: 0; padding-bottom: var(--section); }
.sets-image { position: relative; aspect-ratio: 1.4 / 1; border: var(--border); background: var(--surface); box-shadow: 20px 20px 0 var(--leaf); }
.sets-image img { width: 100%; height: 100%; object-fit: cover; }
.sets-image .image-label { top: 15px; left: 15px; background: var(--surface); color: var(--text-main); border: 1px solid var(--line); }
.sets-copy h2 { margin: 0 0 24px; font: clamp(54px, 6vw, 92px)/.9 var(--font-display); }
.sets-copy > p:not(.eyebrow) { color: var(--text-sub); font-size: 16px; }
.sets-copy > strong { display: block; margin: 28px 0; font: 22px var(--font-mono); }
.sets-copy > strong small { color: var(--text-sub); font-size: 9px; }
.set-list { display: flex; flex-direction: column; padding-top: 0; padding-bottom: var(--section); }
.set-list article { display: grid; grid-template-columns: 70px minmax(0, 1fr) 250px auto; gap: 35px; align-items: center; min-height: 240px; padding: 23px 0; border-top: 1px solid var(--line); }
.set-list article:last-child { border-bottom: 1px solid var(--line); }
.set-number { font: 39px var(--font-display); }
.set-list h2 { margin: 8px 0; font-size: 38px; }
.set-list p:not(.eyebrow) { margin-bottom: 14px; color: var(--text-sub); font-size: 14px; }
.set-list article > div > span { font: 10px var(--font-mono); }
.set-list img { width: 210px; height: 170px; object-fit: cover; }
.set-duo-mark { display: flex; align-items: center; gap: 8px; width: 210px; height: 170px; padding: 20px; background: var(--surface); border: 1px solid var(--line); }
.set-duo-mark i { display: block; width: 54px; height: 14px; border-radius: 50%; background: var(--primary); transform: rotate(-11deg); }
.set-duo-mark i:nth-child(2) { width: 70px; background: var(--vermilion); transform: translateY(14px) rotate(10deg); }
.set-duo-mark i:nth-child(3) { width: 45px; background: var(--butter); transform: translateY(-17px) rotate(-6deg); }

.lesson-list { padding-top: 0; padding-bottom: var(--section); }
.lesson-list article { display: grid; grid-template-columns: 100px .8fr 1fr; gap: 55px; align-items: center; padding: 50px 0; border-top: 1px solid var(--line); }
.lesson-list article:last-child { border-bottom: 1px solid var(--line); }
.lesson-list-no { align-self: start; color: var(--text-sub); font: 11px var(--font-mono); }
.lesson-large-mark { position: relative; display: grid; place-items: center; min-height: 170px; border: 1px solid var(--line); background: var(--surface); overflow: hidden; }
.lesson-large-mark i { display: block; width: 76%; height: 25px; border-radius: 50%; background: var(--mark); transform: rotate(-8deg); }
.lesson-large-mark i:nth-child(2) { width: 55%; margin-top: -2px; opacity: .5; transform: translate(16px, 18px) rotate(6deg); }
.lesson-list h2 { margin: 13px 0; font-size: clamp(40px, 4.4vw, 68px); }
.lesson-list p:not(.eyebrow) { color: var(--text-sub); font-size: 15px; }

.mark-entry { display: flex; justify-content: space-between; align-items: end; gap: 36px; padding-top: 85px; padding-bottom: 46px; }
.mark-entry h1 { margin: 0; font-size: clamp(72px, 10vw, 146px); }
.mark-entry > div:first-child > p:last-child { margin: 28px 0 0; color: var(--text-sub); font-size: 15px; }
.mark-entry-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; max-width: 430px; }
.mark-workbench-wrap { padding-bottom: 18px; }
.mark-workbench { display: grid; grid-template-columns: 112px minmax(0, 1fr) 300px; min-height: 715px; border: var(--border); background: var(--surface-soft); box-shadow: var(--shadow-card); }
.material-shelf-panel, .recipe-rail-panel { display: flex; flex-direction: column; min-width: 0; }
.material-shelf-panel { border-right: 1px solid var(--line); }
.recipe-rail-panel { border-left: 1px solid var(--line); }
.panel-heading, .rail-heading, .canvas-head { display: flex; justify-content: space-between; gap: 12px; padding: 18px 15px; border-bottom: 1px solid var(--line); font: 9px var(--font-mono); letter-spacing: .09em; }
.panel-heading small, .canvas-head small, .rail-heading small { display: block; margin-top: 6px; color: var(--text-sub); font-size: 8px; }
.shelf-tools { display: flex; flex-direction: column; gap: 3px; padding: 13px 9px; }
.shelf-item, .tool-item { display: flex; align-items: center; gap: 8px; width: 100%; min-height: 55px; padding: 7px 4px; background: transparent; text-align: left; }
.shelf-item i { flex: 0 0 auto; width: 27px; height: 43px; background: var(--swatch); box-shadow: 3px 3px 0 rgba(25, 25, 25, .2); transform: rotate(-3deg); }
.shelf-item:nth-child(2) i { transform: rotate(3deg); }
.shelf-item:nth-child(3) i { transform: rotate(-1deg); }
.shelf-item span, .tool-item span { min-width: 0; }
.shelf-item b, .tool-item b { display: block; overflow: hidden; font: 8px var(--font-mono); letter-spacing: .04em; text-overflow: ellipsis; white-space: nowrap; }
.shelf-item small, .tool-item small { display: block; margin-top: 3px; overflow: hidden; color: var(--text-sub); font: 7px var(--font-mono); text-overflow: ellipsis; white-space: nowrap; }
.shelf-item.is-selected { background: var(--surface); box-shadow: 3px 3px 0 var(--primary); }
.shelf-item:hover, .tool-item:hover, .tool-item.is-selected { background: rgba(252, 251, 247, .72); }
.shelf-divider { height: 20px; border-bottom: 1px dashed var(--line); }
.tool-item i { display: grid; place-items: center; flex: 0 0 auto; width: 27px; height: 27px; border: 1px solid var(--line); font-size: 17px; font-style: normal; line-height: 1; }
.tool-item.is-selected i { background: var(--primary); color: var(--surface); }
.shelf-foot { margin: auto 9px 16px; padding-top: 15px; border-top: 1px solid var(--line-soft); color: var(--text-sub); font: 8px/1.45 var(--font-mono); }
.canvas-column { display: flex; flex-direction: column; min-width: 0; }
.canvas-head { align-items: start; min-height: 67px; }
.canvas-mode-label { display: block; font-size: 10px; }
.canvas-actions { display: flex; gap: 7px; }
.mini-button { min-height: 30px; padding: 4px 7px; border: 1px solid var(--line); background: transparent; font: 8px var(--font-mono); letter-spacing: .06em; }
.mini-button span { color: var(--primary); }
.mini-button:hover { background: var(--primary); color: var(--surface); }
.canvas-holder { position: relative; flex: 1; display: grid; place-items: center; min-height: 580px; padding: 32px; background: var(--surface-soft); }
#mark-canvas { width: 100%; height: 100%; min-height: 480px; border: 1px solid var(--line); background: var(--surface); box-shadow: 9px 9px 0 rgba(25, 25, 25, .12); touch-action: pan-y; cursor: crosshair; }
#mark-canvas[data-size="portrait"] { aspect-ratio: 3 / 4; }
#mark-canvas[data-size="landscape"] { aspect-ratio: 3 / 2; }
#mark-canvas[data-size="square"] { aspect-ratio: 1 / 1; }
.canvas-holder.is-air-active #mark-canvas { width: min(100%, calc(100vh - 170px)); height: min(100%, calc(100vh - 170px)); min-height: 0; }
.canvas-holder.is-drawing #mark-canvas { touch-action: none; }
.canvas-empty { position: absolute; top: 50%; left: 50%; display: flex; flex-direction: column; gap: 7px; color: var(--text-sub); font: 10px var(--font-mono); letter-spacing: .1em; text-align: center; transform: translate(-50%, -50%); pointer-events: none; }
.canvas-empty span { color: var(--text-main); }
.canvas-empty.is-hidden { display: none; }
.canvas-footer { display: flex; justify-content: space-between; gap: 14px; padding: 12px 15px; border-top: 1px solid var(--line); color: var(--text-sub); font: 8px var(--font-mono); letter-spacing: .06em; }
.air-preview { position: absolute; right: 50px; bottom: 48px; width: 160px; height: 120px; border: 1px solid var(--line); background: var(--text-main); box-shadow: 5px 5px 0 var(--primary); overflow: hidden; }
.air-preview video { width: 100%; height: 100%; object-fit: cover; transform: scaleX(-1); opacity: .82; }
.air-preview-label { position: absolute; top: 5px; left: 7px; color: var(--surface); font: 7px var(--font-mono); letter-spacing: .08em; }
.air-preview button { position: absolute; right: 6px; bottom: 5px; padding: 4px 5px; background: var(--surface); color: var(--text-main); font: 7px var(--font-mono); }
.air-preview .air-exit-button { right: auto; left: 6px; background: var(--vermilion); color: var(--surface); }
.air-preview.is-camera-hidden video { opacity: 0; }
.air-preview.is-camera-hidden .air-preview-label { color: var(--text-main); }
.air-cursor { position: absolute; z-index: 5; width: 24px; height: 24px; border: 1px solid var(--primary); border-radius: 50%; pointer-events: none; transform: translate(-50%, -50%); transition: opacity 160ms ease; }
.air-cursor.is-fading { opacity: 0; }
.air-cursor i { position: absolute; top: 50%; left: 50%; width: 7px; height: 7px; border-radius: 50%; background: var(--primary); transform: translate(-50%, -50%); }
.air-cursor.is-eraser { width: 42px; height: 42px; border-color: var(--vermilion); }
.air-cursor.is-eraser i { width: 9px; height: 9px; background: var(--vermilion); }
.air-active-badge { position: absolute; top: 15px; right: 15px; padding: 5px 7px; background: var(--primary); color: var(--surface); font: 8px var(--font-mono); letter-spacing: .12em; }
.canvas-message { position: absolute; right: 32px; bottom: 17px; left: 32px; color: var(--error); font: 9px var(--font-mono); text-align: center; }
.mark-mobile-controls { display: none; }
.rail-heading { align-items: start; min-height: 67px; }
.rail-status { padding: 4px 5px; border: 1px solid var(--line); font-size: 8px; }
.recipe-empty { display: flex; flex-direction: column; gap: 18px; padding: 31px 20px; }
.recipe-empty b { font: 31px/.9 var(--font-display); }
.recipe-empty span { color: var(--text-sub); font-size: 12px; line-height: 1.45; }
.recipe-rows { overflow: auto; padding: 0 13px; }
.recipe-row { position: relative; display: grid; grid-template-columns: 22px 1fr auto; gap: 7px; align-items: start; padding: 14px 6px; border-top: 1px dashed var(--line-soft); font: 9px/1.35 var(--font-mono); }
.recipe-row:first-child { border-top: 0; }
.recipe-row-index { color: var(--text-sub); }
.recipe-row b { display: block; font-weight: 400; }
.recipe-row small { display: block; margin-top: 4px; color: var(--text-sub); font-size: 8px; }
.recipe-row button { padding: 0; background: transparent; color: var(--text-sub); font: 13px var(--font-body); }
.recipe-row button:hover { color: var(--error); }
.recipe-row-actions { display: flex; align-items: start; gap: 5px; }
.recipe-row-actions button { font: 8px var(--font-mono); letter-spacing: .04em; }
.recipe-row-actions button:hover { color: var(--primary); }
.rail-summary { margin: auto 13px 0; padding: 13px 6px; border-top: 1px solid var(--line); font: 9px/1.5 var(--font-mono); }
.rail-controls { display: grid; grid-template-columns: repeat(2, 1fr); gap: 5px; padding: 13px; border-top: 1px solid var(--line); }
.rail-controls button { min-height: 32px; padding: 6px; border: 1px solid var(--line); background: transparent; font: 8px var(--font-mono); letter-spacing: .04em; }
.rail-controls button:hover { background: var(--surface); }
.rail-controls button:nth-child(3), .rail-controls button:nth-child(4) { grid-column: 1 / -1; background: var(--text-main); color: var(--surface); }
.rail-controls button:nth-child(3):hover, .rail-controls button:nth-child(4):hover { background: var(--primary); }
.workbench-settings { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; padding: 14px 0 20px; font: 9px var(--font-mono); }
.workbench-settings > div, .workbench-settings > label { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.workbench-settings > div > span, .workbench-settings label > span { margin-right: 4px; color: var(--text-sub); letter-spacing: .08em; }
.workbench-settings button { min-height: 28px; padding: 5px 7px; border: 1px solid var(--line-soft); background: transparent; font: 8px var(--font-mono); }
.workbench-settings button.is-active, .workbench-settings button:hover { border-color: var(--line); background: var(--text-main); color: var(--surface); }
.paper-preview-actions { padding: 5px 7px; border: 1px solid var(--primary); background: var(--surface); }
.paper-preview-actions > span { color: var(--primary); }
.workbench-settings input { width: 100px; accent-color: var(--primary); }
.workbench-settings output { min-width: 30px; }
.compare-control { margin-left: auto; }
.mobile-inspector-drawer { display: none; }
.air-explainer { display: grid; grid-template-columns: 1fr 1fr; gap: 120px; padding-top: 80px; padding-bottom: 120px; border-top: 1px solid var(--line-soft); }
.air-explainer h2 { margin: 0; font-size: clamp(55px, 6.5vw, 94px); }
.air-explainer > div:last-child { align-self: end; }
.air-explainer > div:last-child p { color: var(--text-sub); font-size: 15px; }

.recipe-route, .bag-route, .about-route { padding-top: 90px; }
.route-hero-copy h1 { margin: 0 0 28px; font-size: clamp(78px, 11vw, 160px); }
.route-hero-copy > p:last-child { color: var(--text-sub); font-size: 16px; }
.recipe-route-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 80px; align-items: start; margin-top: 88px; padding-bottom: var(--section); }
.recipe-receipt--large { box-shadow: 20px 20px 0 var(--primary); }
.recipe-recommendation { padding: 35px; border: var(--border); background: var(--butter); transform: rotate(2deg); }
.recipe-recommendation h2 { margin: 34px 0 14px; font-size: 59px; }
.recipe-recommendation p:not(.eyebrow) { color: var(--text-main); font-size: 15px; }
.recipe-recommendation > span { display: block; margin: 28px 0; font: 11px var(--font-mono); }
.recipe-recommendation .text-link { margin-top: 20px; }
.recipe-truth { display: grid; grid-template-columns: .65fr 1.35fr; gap: 90px; padding-top: 80px; padding-bottom: 120px; background: var(--text-main); color: var(--surface); }
.recipe-truth h2 { margin: 0; font-size: clamp(50px, 6vw, 90px); }
.recipe-truth h2 em { color: var(--butter); }
.recipe-truth > p:last-child { color: rgba(252, 251, 247, .7); }

.bag-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 90px; align-items: start; margin-top: 80px; padding-bottom: var(--section); }
.bag-items { border-top: 1px solid var(--line); }
.bag-item { display: grid; grid-template-columns: 1fr auto auto; gap: 24px; align-items: center; padding: 25px 0; border-bottom: 1px solid var(--line); }
.bag-item h2 { margin: 0 0 8px; font-size: 34px; }
.bag-item p { margin: 0; color: var(--text-sub); font: 10px var(--font-mono); }
.bag-item strong { font: 13px var(--font-mono); }
.bag-item button { padding: 4px; background: transparent; color: var(--text-sub); }
.bag-item button:hover { color: var(--error); }
.bag-quantity { display: flex; align-items: center; gap: 8px; font: 11px var(--font-mono); }
.bag-quantity button { width: 22px; height: 22px; border: 1px solid var(--line-soft); color: var(--text-main); }
.bag-quantity button:hover { border-color: var(--line); background: var(--surface-soft); color: var(--primary); }
.bag-empty { padding: 35px 0; color: var(--text-sub); font: 12px var(--font-mono); }
.bag-summary { position: sticky; top: 108px; padding: 28px; border: var(--border); background: var(--surface); box-shadow: 14px 14px 0 var(--butter); }
.bag-summary > div { display: flex; justify-content: space-between; padding: 16px 0; border-top: 1px solid var(--line); font: 11px var(--font-mono); }
.bag-summary small { display: block; margin: 22px 0; color: var(--text-sub); font-size: 11px; }
.bag-summary .button { width: 100%; }
.bag-summary .text-link { margin-top: 18px; }
.about-route { display: grid; grid-template-columns: .85fr 1.15fr; gap: 100px; align-items: end; padding-bottom: var(--section); }
.about-route .route-hero-copy h1 { font-size: clamp(64px, 8vw, 120px); }
.about-image { position: relative; aspect-ratio: 1.3 / 1; border: var(--border); background: var(--surface); box-shadow: -16px 18px 0 var(--vermilion); }
.about-image img { width: 100%; height: 100%; object-fit: cover; }
.about-image .image-label { right: 15px; bottom: 15px; }
.about-columns { display: grid; grid-template-columns: .7fr 1.3fr; gap: 100px; padding-top: 90px; padding-bottom: 110px; background: var(--surface-soft); }
.about-columns h2 { margin: 0; font-size: clamp(55px, 6vw, 90px); }
.about-columns > div:last-child > p { max-width: 58ch; color: var(--text-sub); font-size: 15px; }
.truth-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-top: 38px; }
.truth-grid span { min-height: 86px; padding: 14px; border: 1px solid var(--line); font: 10px/1.45 var(--font-mono); }
.truth-grid b { display: block; margin-bottom: 12px; color: var(--primary); font-size: 9px; }
.faq-section { padding-top: 90px; padding-bottom: 130px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 23px 0; cursor: pointer; font: 15px var(--font-mono); list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { float: right; content: "+"; font-size: 20px; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { max-width: 65ch; padding: 0 40px 25px 0; color: var(--text-sub); font-size: 14px; }

.air-sheet[hidden] { display: none; }
.air-sheet { position: fixed; z-index: 80; inset: 0; display: grid; place-items: center; padding: 25px; }
.air-backdrop { position: absolute; inset: 0; background: rgba(25, 25, 25, .48); }
.air-dialog { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; width: min(840px, 100%); min-height: 450px; background: var(--surface); border: var(--border); box-shadow: 20px 20px 0 var(--primary); }
.dialog-close { position: absolute; z-index: 2; top: 12px; right: 14px; width: 32px; height: 32px; background: transparent; font-size: 28px; line-height: 1; }
.air-dialog-copy { padding: 52px 44px 40px; }
.air-dialog-copy h2 { margin: 0 0 22px; font-size: clamp(48px, 5vw, 78px); }
.air-dialog-copy > p { color: var(--text-sub); font-size: 15px; }
.air-dialog-copy ul { display: flex; flex-direction: column; gap: 10px; margin: 28px 0; padding: 0; list-style: none; font: 10px var(--font-mono); letter-spacing: .09em; }
.air-dialog-copy li::before { display: inline-block; width: 10px; height: 10px; margin-right: 9px; border-radius: 50%; background: var(--primary); content: ""; }
.air-state-copy { margin-bottom: 26px; padding: 11px 13px; border-left: 3px solid var(--butter); background: var(--surface-soft); color: var(--text-sub); font-size: 12px; }
.air-dialog-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.air-dialog-copy > .text-link { margin-top: 23px; }
.air-guide { position: relative; display: grid; place-items: center; min-height: 100%; overflow: hidden; background: var(--background); }
.air-guide::before, .air-guide::after { position: absolute; width: 280px; height: 180px; border: 1px solid var(--line); content: ""; }
.air-guide::before { transform: rotate(-12deg); }
.air-guide::after { width: 220px; height: 290px; border-color: var(--primary); transform: rotate(17deg); }
.guide-cursor { position: relative; z-index: 2; width: 16px; height: 16px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 14px rgba(24, 82, 215, .12); }
.guide-ring { position: absolute; z-index: 2; width: 70px; height: 70px; border: 1px solid var(--primary); border-radius: 50%; transform: translate(55px, 45px); }
.guide-label { position: absolute; right: 20%; bottom: 25%; font: 10px var(--font-mono); letter-spacing: .12em; transform: rotate(-8deg); }
.toast { position: fixed; z-index: 90; right: 20px; bottom: 20px; max-width: min(380px, calc(100vw - 40px)); padding: 13px 16px; border: 1px solid var(--line); background: var(--text-main); color: var(--surface); font: 11px/1.4 var(--font-mono); opacity: 0; pointer-events: none; transform: translateY(12px); transition: opacity var(--hover), transform var(--hover); }
.toast.is-visible { opacity: 1; transform: translateY(0); }
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 700ms ease, transform 700ms ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  :root { --side: 32px; }
  .hero { gap: 54px; }
  .hero h1 { font-size: clamp(70px, 8.3vw, 104px); }
  .visual-note { right: -13px; }
  .theatre-layout, .pdp-hero { gap: 55px; }
  .finder-grid { gap: 48px; }
  .teaser-workbench { grid-template-columns: 88px minmax(0, 1fr) 260px; }
  .mark-workbench { grid-template-columns: 88px minmax(0, 1fr) 260px; }
  .material-card--feature { gap: 30px; }
}

@media (max-width: 900px) {
  :root { --side: 24px; --section: 140px; }
  .site-header { display: flex; justify-content: space-between; min-height: 72px; padding-block: 15px; }
  .desktop-nav, .air-header-trigger { display: none; }
  .header-actions { gap: 17px; margin-left: auto; }
  .menu-toggle { display: flex; flex-direction: column; gap: 5px; justify-content: center; width: 39px; height: 39px; padding: 8px; border: 1px solid var(--line); background: transparent; }
  .menu-toggle i { display: block; width: 100%; height: 1px; background: var(--line); }
  .mobile-nav[hidden] { display: none; }
  .mobile-nav { position: absolute; top: 100%; right: 0; left: 0; display: flex; flex-direction: column; gap: 0; padding: 7px var(--side) 17px; border-bottom: 1px solid var(--line); background: var(--background); }
  .mobile-nav a, .mobile-air-link { padding: 17px 0; border-bottom: 1px solid var(--line-soft); background: transparent; font: 12px var(--font-mono); letter-spacing: .1em; text-align: left; }
  .mobile-air-link small { color: var(--primary); font-size: 8px; }
  .hero { grid-template-columns: 1fr; gap: 46px; min-height: auto; padding-top: 70px; padding-bottom: 105px; }
  #hero-mark { right: 0; left: 0; width: 100%; }
  .hero-copy { order: 1; }
  .hero-visual { order: 2; width: min(100%, 690px); margin-left: auto; }
  .hero h1 { font-size: clamp(72px, 13vw, 112px); }
  .hero-support { margin-top: -14px; }
  .hero-bottom-line { right: var(--side); bottom: 29px; left: var(--side); }
  .visual-note { right: -7px; bottom: -75px; }
  .section-heading, .recipe-preview-section { grid-template-columns: 1fr; gap: 24px; }
  .behavior-layout { grid-template-columns: 1fr; }
  .behavior-controls { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; border-top: 0; }
  .behavior-tab { min-height: 85px; padding-top: 0; border-bottom: 1px solid var(--line); }
  .micro-copy { grid-column: 1 / -1; margin-top: 0; }
  .theatre-layout, .soft-section, .kit-section, .honesty-section, .pdp-hero, .pdp-color, .pdp-detail, .safety-section, .package-section, .sets-feature, .about-route { grid-template-columns: 1fr; gap: 55px; }
  .theatre-copy { max-width: 620px; }
  .soft-copy, .kit-copy, .honesty-copy { max-width: 660px; }
  .grain-image, .grain-image > img { min-height: 560px; }
  .tools-section { grid-template-columns: 1fr; gap: 55px; }
  .tools-heading { max-width: 580px; }
  .finder-grid { grid-template-columns: 1fr; }
  .finder-result { max-width: 640px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-form-wrap { grid-column: 1 / -1; }
  .route-hero { grid-template-columns: 1fr; gap: 30px; padding-top: 90px; }
  .route-hero > p:last-child { margin: 0; }
  .material-notes, .air-explainer, .recipe-truth, .about-columns { grid-template-columns: 1fr; gap: 42px; }
  .materials-shelf { grid-template-columns: 1fr; }
  .material-card--feature { grid-template-columns: 1fr; }
  .pdp-image { max-width: 820px; }
  .ways-grid { grid-template-columns: 1fr; gap: 14px; }
  .way-panel { min-height: 220px; }
  .way-panel i { bottom: 78px; }
  .way-panel b { bottom: 35px; }
  .way-panel small { bottom: 14px; }
  .set-list article { grid-template-columns: 55px minmax(0, 1fr) 160px; gap: 20px; }
  .set-list article .text-link { grid-column: 2 / -1; }
  .set-list img, .set-duo-mark { width: 160px; height: 130px; }
  .lesson-list article { grid-template-columns: 65px .75fr 1fr; gap: 25px; }
  .mark-entry { align-items: start; flex-direction: column; }
  .mark-entry-actions { justify-content: flex-start; max-width: none; }
  .mark-workbench { grid-template-columns: 1fr; min-height: auto; }
  .material-shelf-panel { order: 2; border-top: 1px solid var(--line); border-right: 0; }
  .shelf-tools { display: flex; flex-direction: row; overflow-x: auto; padding: 10px; }
  .shelf-item { flex: 0 0 120px; }
  .shelf-item i { width: 22px; height: 35px; }
  .tool-item { flex: 0 0 112px; }
  .shelf-divider, .shelf-foot { display: none; }
  .canvas-column { order: 1; }
  .recipe-rail-panel { order: 3; border-top: 1px solid var(--line); border-left: 0; }
  .recipe-rows { max-height: 240px; }
  .recipe-empty { padding-block: 24px; }
  .rail-controls { grid-template-columns: repeat(4, 1fr); }
  .rail-controls button:nth-child(3), .rail-controls button:nth-child(4) { grid-column: auto; }
  .recipe-route-grid, .bag-layout { grid-template-columns: 1fr; gap: 55px; }
  .bag-summary { position: static; max-width: 560px; }
  .about-route { align-items: start; }
  .about-image { max-width: 720px; }
  .air-dialog { grid-template-columns: 1fr; max-height: calc(100vh - 50px); overflow: auto; }
  .air-guide { display: none; }
}

@media (max-width: 620px) {
  :root { --side: 20px; --section: 94px; --hero-title: 66px; --section-title: 52px; --body-size: 16px; }
  .site-header { min-height: 64px; gap: 10px; overflow: hidden; }
  .header-actions { gap: 8px; min-width: 0; }
  .wordmark { font-size: 23px; }
  .bag-link { font-size: 8px; white-space: nowrap; }
  .hero { gap: 35px; padding-top: 50px; padding-bottom: 98px; }
  .hero h1 { font-size: clamp(50px, 15vw, 69px); line-height: .9; letter-spacing: -.055em; }
  .hero-intro { margin: 25px 0; font-size: 15px; }
  .hero-actions { display: grid; grid-template-columns: 1fr; }
  .button { width: 100%; min-height: 50px; }
  .hand-note { margin-top: 45px; font-size: 15px; }
  .hero-frame { aspect-ratio: 4 / 5; }
  .hero-frame img { object-fit: cover; object-position: 68% center; }
  #hero-mark { inset: auto -13% -7% -20%; width: 128%; height: 35%; }
  .hero-drag-target { right: 8%; bottom: 14%; width: 78px; height: 78px; font-size: 8px; }
  .hero-stamp { top: 8%; right: -1%; }
  .visual-note { right: -2px; bottom: -74px; font-size: 14px; }
  .hero-bottom-line { flex-wrap: wrap; bottom: 20px; font-size: 8px; }
  .hero-bottom-line span:nth-child(2) { display: none; }
  .eyebrow { font-size: 9px; }
  .section-heading { margin-bottom: 35px; }
  .section-heading h2, .finder-intro h2, .soft-copy h2, .kit-copy h2, .honesty-copy h2 { font-size: clamp(48px, 13vw, 69px); }
  .section-heading > p { font-size: 14px; }
  .behavior-stage { min-height: 260px; padding: 18px; }
  #behavior-canvas { min-height: 210px; }
  .stage-foot { right: 14px; bottom: 12px; font-size: 7px; }
  .behavior-controls { grid-template-columns: 1fr; gap: 0; }
  .behavior-tab { min-height: 62px; grid-template-columns: 28px 1fr auto; align-items: center; padding: 13px 0; }
  .behavior-tab small { grid-column: 3; max-width: 130px; text-align: right; }
  .micro-copy { padding-top: 19px; font-size: 12px; }
  .theatre-image { box-shadow: 10px 10px 0 var(--butter); }
  .theatre-copy h2 { font-size: 58px; }
  .spec-list span { flex-direction: column; gap: 4px; }
  .spec-list b { text-align: left; }
  .finder-choice { min-height: 64px; font-size: 11px; }
  .finder-result { min-height: 330px; padding: 22px; box-shadow: 10px 10px 0 var(--primary); }
  .finder-result h3 { font-size: 38px; }
  .finder-materials span { font-size: 8px; }
  .soft-section { gap: 40px; }
  .soft-image { box-shadow: -10px 12px 0 var(--lilac); }
  .grain-image, .grain-image > img { min-height: 510px; }
  .grain-head { top: 28px; left: var(--side); right: var(--side); }
  .grain-head h2 { font-size: 50px; }
  .grain-selector { right: var(--side); bottom: 68px; left: var(--side); grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px; padding: 8px 10px; font-size: 8px; }
  .grain-overlay span { padding: 12px 9px; font-size: 8px; }
  .grain-note { right: 11%; bottom: 27%; font-size: 13px; }
  .tools-sequence { gap: 0; }
  .tool-step { min-height: 245px; padding: 0 11px; }
  .tool-line { margin: 32px 0 22px; }
  .tool-step strong { font-size: 27px; }
  .tool-step small { font-size: 10px; }
  .tool-mark { right: 10px; bottom: 27px; left: 10px; height: 28px; border-bottom-width: 7px; }
  .teaser-header, .lessons-heading { align-items: start; flex-direction: column; }
  .teaser-workbench { grid-template-columns: 52px 1fr; min-height: 300px; }
  .teaser-shelf { padding: 17px 10px; }
  .teaser-shelf i { width: 27px; height: 16px; }
  .teaser-paper { min-height: 300px; padding: 17px 14px; }
  .teaser-inspector { display: none; }
  .teaser-line { height: 80px; width: 95%; }
  .recipe-preview-section { gap: 42px; }
  .receipt-top, .receipt-bottom { flex-direction: column; gap: 7px; padding: 13px; font-size: 8px; }
  .receipt-actions { justify-content: flex-start; gap: 11px; }
  #home-recipe-lines, #route-recipe-lines { padding: 19px 13px; }
  #home-recipe-lines p, #route-recipe-lines p { flex-direction: column; gap: 4px; padding: 13px 0; font-size: 9px; }
  #home-recipe-lines span, #route-recipe-lines span { text-align: left; }
  .kit-section { gap: 40px; }
  .kit-image { box-shadow: 10px -10px 0 var(--leaf); }
  .price-lockup { margin-bottom: 20px; }
  .lesson-strip { grid-template-columns: 1fr; }
  .lesson-strip a { min-height: 215px; border-right: 0; border-bottom: 1px solid var(--line); }
  .lesson-strip a:last-child { border-bottom: 0; }
  .honesty-section { gap: 42px; }
  .honesty-image { box-shadow: -10px 12px 0 var(--vermilion); }
  .site-footer { padding-top: 86px; }
  .footer-mark { margin-bottom: 78px; font-size: 84px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 22px; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; font-size: 8px; }
  .route-hero { padding-top: 68px; padding-bottom: 55px; }
  .route-hero h1, .route-hero-copy h1 { font-size: clamp(62px, 17vw, 90px); }
  .materials-shelf { gap: 55px; }
  .material-card h2 { font-size: 42px; }
  .material-card p { min-height: 0; font-size: 10px; }
  .material-notes { padding-top: 60px; padding-bottom: 75px; }
  .notes-table div { flex-direction: column; gap: 5px; font-size: 9px; }
  .notes-table b { max-width: none; text-align: left; }
  .pdp-hero { padding-top: 60px; gap: 42px; }
  .pdp-image { box-shadow: 10px 10px 0 var(--primary); }
  .pdp-facts h1 { font-size: 120px; }
  .pdp-facts h2 { font-size: 52px; }
  .pdp-price { flex-direction: column; gap: 7px; }
  .pdp-color { gap: 35px; }
  .pdp-stick-row { gap: 10px; min-height: 145px; padding-left: 15px; }
  .pdp-stick-row button { width: 31px; height: 110px; }
  .pdp-stick-row button:nth-child(2) { height: 95px; }
  .pdp-stick-row button:nth-child(3) { height: 120px; }
  .pdp-stick-row button:nth-child(4) { height: 100px; }
  .pdp-stick-row button:nth-child(5) { height: 88px; }
  .pdp-stick-row button:nth-child(6) { height: 107px; }
  .pdp-stick-row button:hover, .pdp-stick-row button.is-selected { height: 129px; }
  .pdp-mark-preview { margin-top: 25px; }
  .pdp-mark-cta { margin-top: 17px; }
  .way-panel { min-height: 190px; padding: 17px; }
  .way-panel i { right: 17px; bottom: 62px; left: 17px; }
  .way-panel b { bottom: 31px; left: 17px; font-size: 14px; }
  .way-panel small { bottom: 12px; left: 17px; font-size: 10px; }
  .pdp-detail { gap: 45px; padding-top: 70px; padding-bottom: 70px; }
  .layer-swatches { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dimension-card { padding: 21px; }
  .dimension-card strong { font-size: 40px; }
  .safety-section { gap: 43px; }
  .safety-list span { flex-direction: column; gap: 5px; }
  .package-section { gap: 40px; }
  .related-links a { flex-direction: column; gap: 7px; font-size: 10px; }
  .sets-feature { gap: 45px; }
  .sets-image { box-shadow: 10px 10px 0 var(--leaf); }
  .sets-copy h2 { font-size: 59px; }
  .set-list article { grid-template-columns: 37px minmax(0, 1fr); gap: 13px; }
  .set-list article > img, .set-list article > .set-duo-mark { grid-column: 2; width: 100%; height: 190px; }
  .set-list article .text-link { grid-column: 2; }
  .lesson-list article { grid-template-columns: 1fr; gap: 22px; padding: 35px 0; }
  .lesson-list-no { align-self: auto; }
  .lesson-list h2 { font-size: 44px; }
  .mark-entry { padding-top: 55px; padding-bottom: 34px; }
  .mark-entry h1 { font-size: 72px; }
  .mark-entry-actions { display: grid; grid-template-columns: 1fr; width: 100%; }
  .mark-workbench { border-right: 0; border-left: 0; margin-inline: calc(var(--side) * -1); }
  .canvas-head { padding: 15px var(--side); }
  .canvas-holder { min-height: 0; padding: 15px var(--side) 27px; }
  #mark-canvas { min-height: 55vh; box-shadow: 5px 5px 0 rgba(25, 25, 25, .12); }
  .canvas-footer { padding-inline: var(--side); }
  .canvas-footer span:first-child { max-width: 23ch; }
  .canvas-actions .mini-button:first-child { display: none; }
  .air-preview { right: 33px; bottom: 50px; width: 104px; height: 78px; }
  .air-active-badge { top: 26px; right: 32px; }
  .canvas-message { right: var(--side); bottom: 10px; left: var(--side); }
  .shelf-tools { padding-inline: var(--side); }
  .shelf-item { flex-basis: 112px; }
  .tool-item { flex-basis: 105px; }
  .rail-controls { grid-template-columns: repeat(2, 1fr); }
  .rail-controls button:nth-child(3), .rail-controls button:nth-child(4) { grid-column: 1 / -1; }
  .workbench-settings { padding-inline: var(--side); }
  .compare-control { margin-left: 0; }
  .mobile-inspector-drawer:not([hidden]) { display: grid; gap: 14px; position: fixed; z-index: 30; right: 0; bottom: 0; left: 0; padding: 22px var(--side) 28px; border-top: 1px solid var(--line); background: var(--surface); box-shadow: 0 -12px 28px rgba(25, 25, 25, .14); }
  .mobile-inspector-drawer > div { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; font: 10px var(--font-mono); }
  .mobile-inspector-drawer > div b { min-width: 70px; font-weight: 400; color: var(--text-sub); }
  .mobile-inspector-drawer > div button { min-height: 28px; padding: 5px 7px; border: 1px solid var(--line-soft); background: transparent; font: 8px var(--font-mono); }
  .mobile-inspector-drawer > div input { flex: 1; accent-color: var(--primary); }
  .drawer-close { position: absolute; top: 12px; right: var(--side); width: 28px; height: 28px; background: transparent; font-size: 24px; line-height: 1; }
  .air-explainer { gap: 28px; }
  .recipe-route, .bag-route, .about-route { padding-top: 58px; }
  .recipe-route-grid, .bag-layout { margin-top: 48px; }
  .recipe-recommendation { padding: 22px; }
  .recipe-recommendation h2 { font-size: 46px; }
  .bag-item { grid-template-columns: 1fr auto; gap: 9px; }
  .bag-item strong { grid-column: 2; grid-row: 1 / span 2; }
  .bag-item button { grid-column: 1; justify-self: start; }
  .about-columns { padding-top: 62px; padding-bottom: 80px; }
  .truth-grid { grid-template-columns: 1fr; }
  .faq-section { padding-top: 62px; padding-bottom: 85px; }
  .faq-list summary { padding: 18px 0; font-size: 12px; }
  .faq-list details p { padding-right: 15px; font-size: 13px; }
  .air-sheet { padding: 15px; }
  .air-dialog { box-shadow: 10px 10px 0 var(--primary); }
  .air-dialog-copy { padding: 40px 22px 26px; }
  .air-dialog-copy h2 { font-size: 49px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .hero-drag-target, .button:hover, .button:focus-visible { transform: none; }
}