:root {
  --paper: #f1f2ee;
  --white: #fff;
  --ink: #181b1a;
  --muted: #5e6562;
  --line: #cbd0ca;
  --accent: #d9381e;
  --dark: #1c201f;
  --sans: -apple-system, BlinkMacSystemFont, system-ui, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 94px; }
body { margin: 0; color: var(--ink); background: var(--paper); font: 16px/1.75 var(--sans); -webkit-font-smoothing: antialiased; }
::selection { color: white; background: var(--accent); }
a { color: inherit; text-decoration: none; }
button, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; cursor: pointer; }
a, button { touch-action: manipulation; }
a:focus-visible, button:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; }
button { border-radius: 0; }
img { display: block; width: 100%; height: auto; }
h1,h2,h3,p,figure { margin: 0; }
h1,h2,h3 { font-weight: 600; line-height: 1.25; }
.wrap { width: min(1320px, calc(100% - 96px)); margin-inline: auto; }
.mono,.eyebrow,.panel-kicker,.case-top,.role-label,.case-result small,.system-number,.career-time,.step-number { font-family: var(--mono); font-size: 11px; line-height: 1.5; letter-spacing: .09em; font-weight: 500; }
.eyebrow { display: flex; align-items: center; gap: 12px; }
.section { padding-block: 88px; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: 44px; }
.section-head h2 { margin-top: 22px; font-size: clamp(30px, 3.5vw, 48px); letter-spacing: -.045em; }
.section-note { font-size: 14px; line-height: 1.7; max-width: 290px; color: var(--muted); }
.section-note br { display: none; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
.skip-link { position: fixed; top: -80px; left: 20px; background: var(--ink); color: white; padding: 12px 20px; z-index: 100; }
.skip-link:focus { top: 10px; }
.site-header { position: sticky; top: 0; z-index: 20; background: var(--paper); border-bottom: 1px solid var(--line); }
.header-inner { width: min(1440px, calc(100% - 64px)); margin: auto; min-height: 76px; display: flex; justify-content: space-between; align-items: center; gap: 28px; }
.identity { display: flex; align-items: center; gap: 15px; }
.identity b { font-size: 23px; font-weight: 700; letter-spacing: -.05em; }
.identity-sub { font-family: var(--mono); font-size: 10px; letter-spacing: .11em; }
.identity::before { content: ''; width: 9px; height: 24px; background: var(--accent); }
.site-header nav { display: flex; gap: 32px; margin-left: auto; }
.site-header nav a { font-size: 13px; }
.site-header nav a:hover,.text-link:hover { color: var(--accent); }
.header-actions { display: flex; align-items: center; gap: 24px; }
.language { background: none; border: 0; padding: 12px 4px; font: 12px var(--mono); }
.header-cta { background: var(--ink); color: white; padding: 10px 18px; font-size: 12px; }
.header-cta span { margin-left: 12px; }
.header-cta:hover { background: var(--accent); }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) 340px; column-gap: 36px; padding-top: 66px; }
.signal-mark { color: var(--accent); font: 26px/1 var(--sans); }
.hero h1 { font-size: clamp(36px,4.65vw,67px); line-height: 1.23; letter-spacing: -.065em; margin-top: 32px; font-weight: 600; }
.hero h1 em { font-style: normal; color: var(--muted); }
.hero-intro { max-width: 510px; margin-top: 30px; color: #4e5652; font-size: 15px; line-height: 1.85; }
.hero-buttons { display: flex; flex-wrap: wrap; align-items: center; gap: 30px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: space-between; gap: 30px; padding: 15px 22px; font-size: 14px; border: 1px solid transparent; line-height: 1.5; transition: background .18s, color .18s; }
.button.primary { background: var(--accent); color: white; }
.button.primary:hover { background: #ae2b17; }
.text-link { display: inline-flex; align-items: center; gap: 24px; padding: 10px 0; background: none; border: 0; border-bottom: 1px solid currentColor; font-size: 13px; line-height: 1.5; }
.engineering-figure { position: relative; align-self: center; margin: 10px 0 0; }
.figure-top { display: flex; align-items: center; justify-content: space-between; font: 10px var(--mono); letter-spacing: .1em; padding-block: 12px; border-top: 1px solid var(--ink); }
.figure-top>span:last-child { color: var(--accent); font-size: 22px; }
.engineering-drawing { width: 100%; display: block; height: auto; margin: 4px 0 6px; }
.drawing-guides { opacity: .23; }
.engineering-figure figcaption { display: flex; align-items: center; justify-content: space-between; color: var(--muted); border-top: 1px solid var(--line); padding-block: 9px; font-size: 11px; }
.engineering-figure figcaption a { color: var(--accent); font-size: 22px; padding: 0 6px; }
.drawing-label { position: absolute; display: flex; gap: 8px; font-size: 11px; background: var(--paper); padding: 2px 6px 2px 0; }
.drawing-label b { font: 10px/1.9 var(--mono); color: var(--accent); }
.label-one { top: 22%; left: 0; }
.label-two { top: 43%; left: 0; }
.label-three { top: 72%; right: 0; }
.hero-foot { grid-column: 1/-1; display: grid; grid-template-columns: 170px 1fr 48px; align-items: center; gap: 28px; padding-block: 27px; margin-top: 52px; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); }
.hero-foot>.mono { color: var(--muted); }
.hero-background { font-size: 12px; color: var(--muted); line-height: 1.8; }
.hero-background br { display: initial; }

.down-link { display: grid; place-content: center; border: 1px solid var(--line); width: 42px; height: 42px; font-size: 24px; }
.down-link:hover { background: var(--ink); color: white; }
.work { padding-top: 68px; }
.work .section-head h2 br { display: none; }
.client-cases { border-top: 2px solid var(--ink); }
.case { position: relative; display: grid; grid-template-columns: 70px minmax(0, 1.15fr) minmax(0,1fr); gap: 28px; padding: 40px 0; border-bottom: 1px solid var(--line); }
.case-index { font: 36px/1 var(--mono); letter-spacing: -.06em; color: var(--accent); }
.case-top { display: flex; gap: 10px; flex-wrap: wrap; color: var(--muted); }
.case-type { border-left: 1px solid var(--line); padding-left: 10px; }
.case h3 { font-size: 28px; letter-spacing: -.035em; margin-top: 21px; }
.case h3 br { display: none; }
.case-main>p { margin-top: 22px; font-size: 14px; color: #4d5551; }
.research-path { display: flex; flex-wrap: wrap; align-items: center; gap: 11px; padding-top: 24px; font-size: 11px; }
.research-path span { border-bottom: 1px solid var(--line); padding-bottom: 3px; }
.research-path i { color: var(--accent); font-style: normal; }
.case-detail { border-left: 1px solid var(--line); padding-left: 32px; }
.case-result small,.role-label { color: var(--muted); display: block; font-size: 11px; }
.case-result p { font-size: 15px; margin-top: 12px; }
.role-label { margin-top: 26px; }
.detail-body { font-size: 14px; line-height: 1.85; }
.case-detail .detail-body { margin-top: 12px; color: #4d5551; }
.systems { color: #edf0ea; background: var(--dark); padding-block: 48px 60px; }
.systems-heading { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding-bottom: 27px; border-bottom: 1px solid #535a56; }
.systems-heading h2 { font-size: 12px; color: #f5765e; }
.systems-heading>p { font-size: 12px; color: #aab2ad; }
.system-row { display: grid; grid-template-columns: 30% 1fr; gap: 50px; padding-block: 38px; border-bottom: 1px solid #535a56; }
.system-row:last-child { border-bottom: 0; padding-bottom: 0; }
.system-title { display: flex; gap: 23px; }
.system-number { color: #f5765e; padding-top: 4px; }
.system-title h3 { font-size: 29px; letter-spacing: -.035em; }
.system-title h3 small { display: block; font-size: 13px; color: #b9c0bb; font-weight: 400; letter-spacing: 0; margin-top: 9px; }
.system-copy>p { color: #c5cbc7; font-size: 14px; max-width: 660px; }
.system-diagram { margin-top: 26px; }
.system-diagram>.mono { color: #aab2ad; font-size: 10px; }
.workflow-list { display: grid; grid-template-columns: repeat(4,1fr); list-style: none; margin: 12px 0 0; padding: 0; counter-reset: flow; border: 1px solid #69716b; }
.workflow-list li { position: relative; padding: 18px 13px; font-size: 12px; line-height: 1.6; border-right: 1px solid #69716b; counter-increment: flow; }
.workflow-list li::before { content: '0' counter(flow); display: block; font: 10px var(--mono); color: #f5765e; margin-bottom: 12px; }
.workflow-list li:last-child { border-right: 0; background: #303731; }
.quiet { color: #aab2ad; font-size: 11px; margin-top: 12px; }
.query-inputs { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 12px; }
.query-inputs span:nth-child(odd) { border: 1px solid #69716b; padding: 10px 18px; font-size: 13px; }
.query-inputs span:nth-child(even) { color: #f5765e; }
.query-stage { font-size: 12px; color: #c5cbc7; padding-top: 16px; }
.questions { padding-bottom: 64px; }
.question-layout { border-top: 2px solid var(--ink); }
.question-panels { display: block; }
.question-panel { display: grid; grid-template-columns: 27% 1fr 24%; gap: 12px 32px; padding-block: 30px; border-bottom: 1px solid var(--line); }
.panel-kicker { grid-column: 1; grid-row: 1; color: var(--muted); }
.question-panel h3 { grid-column: 1; grid-row: 2/5; font-size: 21px; letter-spacing: -.03em; padding-right: 12px; }
.question-panel h3 br { display: none; }
.question-panel>p:not(.panel-kicker) { grid-column: 2; grid-row: 1/4; font-size: 14px; color: #4d5551; }
.output-line { grid-column: 3; grid-row: 1/4; border-left: 1px solid var(--line); padding-left: 24px; }
.output-line>span { font: 10px/1.5 var(--mono); color: var(--muted); }
.output-line p { margin-top: 8px; font-size: 12px; }
.question-panel>.text-link { grid-column: 2/4; grid-row: 4; width: fit-content; font-size: 12px; margin-top: 7px; }
.about { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; padding-block: 64px 88px; border-top: 1px solid var(--line); }
.about-intro { display: grid; grid-template-columns: 112px 1fr; gap: 18px 26px; align-content: start; }
.portrait-block { grid-column: 1; grid-row: 1/3; }
.portrait-frame { border: 1px solid var(--line); padding: 4px; background: white; }
.portrait-frame img { aspect-ratio: 1; object-fit: cover; }
.portrait-block figcaption { display: none; }
.about-intro>.eyebrow { grid-column: 2; align-self: end; font-size: 10px; }
.about-intro h2 { grid-column: 2; font-size: 27px; letter-spacing: -.04em; }
.about-intro>p:not(.eyebrow) { grid-column: 1/-1; font-size: 14px; color: var(--muted); margin-top: 12px; }
.about-intro>.text-link { grid-column: 1/-1; width: fit-content; }
.career { margin: 0; padding: 0; list-style: none; }
.career li { display: grid; grid-template-columns: 110px 1fr; gap: 22px; padding: 22px 0; border-top: 1px solid var(--line); }
.career li:first-child { border-color: var(--ink); }
.career-time { color: var(--muted); padding-top: 3px; font-size: 10px; }
.career h3 { font-size: 18px; }
.career p { margin-top: 10px; font-size: 12px; color: var(--muted); }
.approach { background: #e4e7e0; padding-block: 65px 70px; }
.approach h2 br { display: none; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid var(--ink); }
.steps li { padding: 27px 30px 0 0; }
.steps li+li { border-left: 1px solid #bac1b9; padding-left: 30px; }
.step-number { color: var(--accent); }
.steps h3 { font-size: 22px; margin-top: 16px; }
.steps p { font-size: 13px; color: #4d5551; margin-top: 14px; }
.contact { color: var(--paper); background: var(--accent); padding-block: 70px; }
.contact-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 80px; align-items: end; }
.contact h2 { font-size: clamp(38px, 4.7vw, 65px); margin-block: 28px; letter-spacing: -.05em; line-height: 1.15; }
.contact p { font-size: 14px; }
.contact .button { margin-top: 26px; }
.button.light { background: var(--paper); color: var(--ink); }
.button.light:hover { background: var(--ink); color: white; }
.contact .contact-note { font-size: 11px; margin-top: 12px; opacity: 1; }
.contact-note-card { border-top: 1px solid #f7a08d; padding-top: 20px; }
.contact-note-card ol { list-style: none; margin: 24px 0; padding: 0; counter-reset: brief; }
.contact-note-card li { counter-increment: brief; border-bottom: 1px solid #e87660; padding: 14px 0; font-size: 15px; }
.contact-note-card li::before { content: '0' counter(brief); margin-right: 28px; font: 11px var(--mono); }
.note-mark { display: block; text-align: right; font-size: 110px; line-height: 1; font-weight: 300; }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 26px; padding-block: 30px; }
.footer .identity::before { display: none; }
.footer .identity b { font-size: 17px; }
.footer .identity>span { color: var(--muted); font: 10px var(--mono); }
.footer>p { font-size: 11px; color: var(--muted); }
.footer .text-link { font-size: 11px; border: 0; }
.mobile-contact { display: none; }
dialog { width: min(600px,calc(100% - 32px)); max-height: calc(100dvh - 32px); color: var(--ink); background: var(--paper); border: 1px solid var(--ink); border-top: 5px solid var(--accent); padding: 30px; }
dialog::backdrop { background: rgba(15,20,17,.65); }
.dialog-top { display: flex; justify-content: space-between; align-items: center; }
.dialog-close { border: 0; background: transparent; font-size: 28px; width: 40px; height: 40px; }
dialog h2 { font-size: 29px; margin-top: 15px; letter-spacing: -.04em; }
dialog p { font-size: 13px; color: var(--muted); margin-top: 18px; }
textarea { display: block; resize: vertical; width: 100%; padding: 16px; font-size: 15px; line-height: 1.8; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 0; margin-top: 22px; }
.dialog-actions { display: flex; align-items: center; gap: 16px; margin-top: 20px; }
.copy-status { font-size: 12px; color: var(--muted); }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%,20px); max-width: calc(100% - 32px); background: var(--ink); color: white; padding: 13px 22px; font-size: 13px; opacity: 0; pointer-events: none; z-index: 50; transition: opacity .2s,transform .2s; }
.toast.visible { opacity: 1; transform: translate(-50%,0); }
html[lang="en"] .hero h1 { font-size: clamp(35px,4.1vw,59px); line-height: 1.08; letter-spacing: -.045em; }
html[lang="en"] .question-panel h3 { font-size: 20px; }
html[lang="en"] .case h3 { font-size: 26px; }
html[lang="en"] .drawing-label { font-size: 10px; }
@media(min-width:1600px) { .hero { grid-template-columns: minmax(0,1fr) 390px; column-gap: 65px; } }
@media(max-width:1100px) {
  .wrap { width: calc(100% - 64px); }
  .hero { grid-template-columns: minmax(0,1fr) 290px; gap: 30px; padding-top: 48px; }
  .hero h1 { font-size: 4.55vw; }
  .hero-foot { margin-top: 20px; }
  .hero-buttons { gap: 20px; }
  .hero-intro { font-size: 14px; }
  .case { grid-template-columns: 42px minmax(0,1fr) minmax(0,1fr); gap: 22px; }
  .case-detail { padding-left: 24px; }
  .case h3 { font-size: 24px; }
  .case-type { display: none; }
  .system-row { grid-template-columns: 27% 1fr; gap: 28px; }
  .about { gap: 40px; }
  .question-panel { gap: 12px 24px; }
}
@media(max-width:820px) {
  .header-inner { width: calc(100% - 40px); gap: 20px; min-height: 66px; }
  .identity-sub { display: none; }
  .site-header nav { gap: 22px; }
  .header-actions { gap: 18px; }
  .header-cta { padding: 9px 13px; }
  .hero { grid-template-columns: minmax(0,1fr) 225px; gap: 26px; }
  .hero h1 { font-size: 4.5vw; }
  .hero-intro { font-size: 13px; }
  .hero .button { font-size: 12px; padding: 12px 16px; }
  .hero .text-link { font-size: 12px; }
  .hero-foot { grid-template-columns: 120px 1fr 36px; gap: 18px; }
  .hero-foot>.mono { font-size: 10px; }
  .hero-background { font-size: 11px; }
  .drawing-label { font-size: 9px; }
  .section { padding-block: 60px; }
  .section-head h2 { font-size: 34px; }
  .case { grid-template-columns: 35px minmax(0,1fr); }
  .case-index { font-size: 25px; }
  .case-detail { grid-column: 2; border-left: 0; padding-left: 0; display: grid; grid-template-columns: 1fr 1.4fr; gap: 0 28px; border-top: 1px solid var(--line); padding-top: 22px; }
  .case-result { grid-row: 1/3; }
  .role-label { grid-column: 2; margin-top: 0; }
  .case-detail .detail-body { grid-column: 2; }
  .case-top { font-size: 10px; }
  .research-path { padding-top: 20px; }
  .system-row { grid-template-columns: 1fr; gap: 20px; }
  .question-panel { grid-template-columns: 32% 1fr; }
  .question-panel>p:not(.panel-kicker) { grid-column: 2; grid-row: 1/3; }
  .output-line { grid-column: 2; grid-row: 3; padding: 0; border: 0; }
  .question-panel>.text-link { grid-column: 2; }
  .about { grid-template-columns: 1fr; gap: 38px; }
  .about-intro { grid-template-columns: 100px 1fr; }
  .about-intro>p:not(.eyebrow) { max-width: 600px; }
  .contact-layout { gap: 45px; }
  .contact h2 { font-size: 42px; }
  .contact p br { display: none; }
  .contact-note-card li { font-size: 13px; }
  .footer>p { display: none; }
}
@media(max-width:600px) {
  html { scroll-padding-top: 78px; }
  .wrap { width: calc(100% - 40px); }
  body { font-size: 15px; }
  .site-header nav { display: none; }
  .identity b { font-size: 21px; }
  .identity-sub { display: inline; font-size: 9px; }
  .identity { gap: 10px; }
  .identity::before { height: 21px; width: 6px; }
  .header-actions { gap: 15px; }
  .header-cta { font-size: 11px; padding: 9px 12px; }
  .header-cta span { margin-left: 7px; }
  .hero { display: block; padding-top: 36px; }
  .hero .eyebrow { font-size: 10px; }
  .hero h1 { font-size: clamp(30px, 8.2vw, 46px); line-height: 1.24; margin-top: 25px; letter-spacing: -.06em; }
  .hero-intro { font-size: 13px; margin-top: 22px; max-width: 450px; }
  .hero-buttons { margin-top: 25px; gap: 22px; }
  .hero .button { padding: 13px 16px; font-size: 12px; gap: 22px; }
  .hero .text-link { font-size: 11px; gap: 12px; }
  .engineering-figure { margin: 30px auto 0; width: 100%; max-width: 420px; height: 210px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .figure-top { border: 0; position: absolute; left: 0; top: 8px; width: 39%; font-size: 9px; }
  .figure-top>span:last-child { display: none; }
  .engineering-drawing { position: absolute; width: 235px; height: 210px; right: -5px; top: -3px; margin: 0; }
  .drawing-label { left: 0; right: auto; font-size: 10px; background: none; }
  .label-one { top: 30%; }.label-two { top: 48%; }.label-three { top: 66%; }
  .engineering-figure figcaption { position: absolute; bottom: 4px; left: 0; border: 0; padding: 0; font-size: 9px; }
  .engineering-figure figcaption a { margin-left: 12px; font-size: 15px; }
  .hero-foot { display: grid; grid-template-columns: 1fr 34px; margin-top: 0; padding-block: 20px; gap: 8px 16px; border-top: 0; }
  .hero-foot>.mono { grid-column: 1; font-size: 9px; }
  .hero-background { grid-column: 1; font-size: 10px; }
  .hero-background br { display: inline; }
  .down-link { grid-column: 2; grid-row: 1/3; width: 32px; height: 36px; font-size: 20px; }
  .section { padding-block: 46px; }
  .section-head { display: block; margin-bottom: 27px; }
  .section-head h2 { font-size: 30px; margin-top: 16px; }
  .section-note { margin-top: 17px; max-width: 100%; font-size: 12px; }
  .eyebrow { font-size: 10px; }
  .case { display: grid; grid-template-columns: 27px 1fr; gap: 15px; padding-block: 27px; }
  .case-index { font-size: 22px; line-height: 1.3; }
  .case h3 { font-size: 23px; margin-top: 16px; }
  .case-top { font-size: 10px; }
  .case-main>p { font-size: 13px; margin-top: 16px; }
  .case-detail { display: block; padding-top: 18px; margin-top: 5px; }
  .case-result p { font-size: 13px; margin-top: 8px; }
  .role-label { margin-top: 20px; }
  .case-detail .detail-body { font-size: 13px; margin-top: 8px; }
  .research-path { gap: 7px; font-size: 10px; }
  .systems-heading { display: block; padding-bottom: 18px; }
  .systems-heading>p { margin-top: 12px; font-size: 11px; }
  .system-row { gap: 18px; padding-block: 30px; }
  .system-title { gap: 18px; }
  .system-title h3 { font-size: 25px; }
  .system-title h3 small { font-size: 12px; }
  .system-copy>p { font-size: 13px; }
  .workflow-list { grid-template-columns: 1fr 1fr; }
  .workflow-list li { padding: 16px; font-size: 12px; }
  .workflow-list li:nth-child(2) { border-right: 0; }
  .workflow-list li:nth-child(-n+2) { border-bottom: 1px solid #69716b; }
  .workflow-list li::before { margin-bottom: 8px; }
  .query-inputs { gap: 9px; }
  .query-inputs span:nth-child(odd) { padding: 8px 10px; font-size: 12px; }
  .query-stage { font-size: 11px; }
  .question-panel { display: block; padding-block: 25px; }
  .question-panel h3 { font-size: 21px; max-width: 360px; margin-top: 12px; }
  .question-panel>p:not(.panel-kicker) { font-size: 13px; margin-top: 16px; }
  .output-line { margin-top: 18px; }
  .output-line p { font-size: 11px; }
  .question-panel>.text-link { margin-top: 17px; }
  .about { gap: 30px; }
  .about-intro { grid-template-columns: 80px 1fr; gap: 12px 22px; }
  .about-intro>.eyebrow { font-size: 9px; }
  .about-intro h2 { font-size: 24px; }
  .about-intro>p:not(.eyebrow) { font-size: 13px; }
  .career li { grid-template-columns: 80px 1fr; gap: 20px; padding-block: 20px; }
  .career-time { font-size: 9px; }
  .career h3 { font-size: 17px; }
  .career p { font-size: 12px; }
  .steps { display: block; }
  .steps li { position: relative; padding: 24px 0 24px 46px; border-bottom: 1px solid #bac1b9; }
  .steps li+li { border-left: 0; padding-left: 46px; }
  .step-number { position: absolute; top: 29px; left: 0; }
  .steps h3 { margin-top: 0; font-size: 21px; }
  .steps p { margin-top: 12px; font-size: 13px; }
  .contact-layout { display: block; }
  .contact h2 { font-size: 43px; margin-block: 22px; }
  .contact p { font-size: 13px; }
  .contact .button { font-size: 13px; }
  .contact-note-card { margin-top: 42px; position: relative; }
  .contact-note-card ol { margin-bottom: 0; }
  .note-mark { position: absolute; right: 0; top: 0; font-size: 46px; }
  .footer { padding-block: 24px 90px; }
  .mobile-contact { position: fixed; left: 20px; right: 20px; bottom: 15px; z-index: 15; display: flex; justify-content: space-between; align-items: center; background: var(--ink); color: white; border: 1px solid #565d58; padding: 14px 18px; font-size: 12px; transition: opacity .2s,transform .2s; }
  .mobile-contact.is-hidden { opacity: 0; transform: translateY(15px); pointer-events: none; }
  dialog { padding: 22px; }
  dialog h2 { font-size: 25px; }
  .dialog-actions { align-items: flex-start; flex-direction: column; }
  .toast { bottom: 80px; font-size: 12px; width: max-content; }
  html[lang="en"] .hero h1 { font-size: clamp(36px,10vw,54px); letter-spacing: -.05em; }
  html[lang="en"] .hero-buttons { gap: 16px; }
  html[lang="en"] .case h3 { font-size: 23px; }
  html[lang="en"] .drawing-label { font-size: 9px; }
}
@media(prefers-reduced-motion:reduce) { html { scroll-behavior: auto; } *,*::before,*::after { transition: none !important; animation: none !important; } }
@media print {
  :root { --paper: #fff; --ink: #000; --muted: #444; }
  @page { margin: 14mm; }
  body { font-size: 10pt; }
  .wrap { width: 100%; }
  .site-header,.hero-buttons,.down-link,.mobile-contact,dialog,.toast,.copy-bio,.print-page,.open-brief { display: none !important; }
  .hero { padding-top: 0; grid-template-columns: 1fr 200px; }
  .hero h1 { font-size: 30pt; }.hero-foot { margin-top: 16px; }
  .section { padding-block: 25px; }
  .section-head h2 { font-size: 24pt; }
  .section-head { margin-bottom: 20px; }
  .case,.system-row,.question-panel,.career li,.steps li { break-inside: avoid; }
  .systems,.approach,.contact { background: white; color: black; border-top: 1px solid black; }
  .systems *,.contact * { color: black !important; }
  .system-row { grid-template-columns: 25% 1fr; }
  .system-copy>p,.query-stage { color: #333; }
  .contact-layout { display: block; }.contact h2 { font-size: 26pt; }
  .contact-note-card,.engineering-figure { display: none; }
  .hero { display: block; }.footer { padding-bottom: 0; }
  a { text-decoration: none; }
}