/* ===== article: aircraft design (builds on the article styles in style.css) ===== */
.ac-hero .blueprint{position:absolute;right:-7%;top:5%;width:min(56vw,860px);height:auto;z-index:1;opacity:.95}
.ac-hero .a-hero-in h1,.ac-hero .dek{max-width:min(15ch,52vw)}
.ac-hero .dek{max-width:min(50ch,46vw)}
.ac-hero .a-hero-in{pointer-events:none}
.ac-hero .a-hero-in a{pointer-events:auto}
/* map */
.ac-map{border:1px solid var(--rule);background:var(--bg-2);padding:14px}
.ac-map canvas{display:block;width:100%;aspect-ratio:1/1}
.routes{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.rt{border-left:2px solid var(--mint);padding:4px 0 4px 12px;display:flex;flex-direction:column;gap:2px;font-size:14px}
.rt.secondary{border-color:#F5B841}
.rt b{font-weight:500}
.rt span:last-child{color:var(--ink-2);font-size:13px}

/* runways */
.runways{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.rw{border:1px solid var(--rule);background:var(--card);padding:20px;display:flex;flex-direction:column;gap:14px}
.rw.key{border-color:rgba(126,224,181,.5);background:linear-gradient(180deg,rgba(126,224,181,.06),var(--card))}
.strip{height:6px;background:rgba(237,234,228,.06);border-radius:3px;overflow:hidden}
.strip i{display:block;height:100%;background:var(--ink-2);border-radius:3px}
.rw.key .strip i{background:var(--mint)}
.rw dl{display:grid;grid-template-columns:repeat(3,auto);justify-content:space-between;gap:10px}
.rw dt{font-family:var(--mono);font-size:10px;color:var(--ink-3);letter-spacing:.04em}
.rw dd{font-family:var(--serif);font-size:18px;font-weight:300;margin-top:2px;white-space:nowrap}
.rw dd.hot{color:var(--mint)}
.rw p{color:var(--ink-2);font-size:14px;line-height:1.55}
.rule-box{margin-top:18px;border:1px dashed var(--rule-2);padding:22px 24px;display:grid;grid-template-columns:160px 1fr;gap:24px;align-items:baseline}
.rule-box p{font-size:18px;line-height:1.6;color:#D6D3CD;max-width:70ch}
.rule-box b{color:var(--ink);font-weight:500}

/* specs */
.specs{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--rule)}
.spec{padding:24px 22px 26px 0;border-bottom:1px solid var(--rule);display:flex;flex-direction:column;gap:12px}
.spec:not(:nth-child(3n+1)){padding-left:22px;border-left:1px solid var(--rule)}
.sv b{display:block;font-family:var(--serif);font-weight:300;font-size:34px;letter-spacing:-.02em;line-height:1.1}
.sv .num{display:block;margin-top:6px}
.spec p{color:var(--ink-2);font-size:14.5px;line-height:1.55}
.engines{margin-top:40px;display:grid;grid-template-columns:1fr 1fr;gap:48px;border:1px solid var(--rule);background:var(--bg-2);padding:28px}
.eng-head h3{font-family:var(--serif);font-weight:400;font-size:26px;margin:8px 0 10px}
.eng-head p{color:#C9C6C0;font-size:15px;line-height:1.65}
.eng-chart{align-self:center}
.eng-row{display:grid;grid-template-columns:110px 1fr 56px;gap:12px;align-items:center;margin-bottom:14px;font-size:13px}
.eng-row .nm{font-family:var(--mono);font-size:11.5px;color:var(--ink-2)}
.eng-row.pick .nm{color:var(--mint)}
.eb{position:relative;height:26px;background:rgba(237,234,228,.04);border-radius:3px}
.eb i{position:absolute;inset:0 auto 0 0;background:rgba(237,234,228,.14);border-radius:3px}
.eng-row.pick .eb i{background:rgba(126,224,181,.35)}
.eb b{position:relative;display:flex;align-items:center;height:100%;padding-left:10px;font-weight:500;font-size:12.5px}
.eng-row .cost{font-family:var(--mono);font-size:12px;text-align:right}

/* cabin */
.xsec{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.xsec figure{border:1px solid var(--rule);background:var(--bg-2);padding:16px;display:flex;flex-direction:column;gap:10px}
.xsec svg{width:100%;height:auto}
.xsec .hull{fill:rgba(230,224,212,.03);stroke:#E6E0D4;stroke-width:.03}
.xsec .floor{stroke:var(--ink-2);stroke-width:.03}
.xsec .seats rect{fill:rgba(126,224,181,.3);stroke:#7EE0B5;stroke-width:.02}
.xsec .hold{fill:none;stroke:var(--ink-3);stroke-width:.03;stroke-dasharray:.08 .06}
.cabin{margin-top:36px;border:1px solid var(--rule);background:var(--bg-2);padding:22px}
.cab-ctrl{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.cab-ctrl button{background:none;border:1px solid var(--rule-2);border-radius:999px;color:var(--ink-2);font:13px var(--sans);padding:7px 13px;cursor:pointer}
.cab-ctrl button:hover{color:var(--ink)}
.cab-ctrl button.on{border-color:var(--mint);color:var(--ink);background:rgba(126,224,181,.08)}
#seatmap{display:block;width:100%;height:auto}
.sm-hull{fill:rgba(230,224,212,.03);stroke:rgba(230,224,212,.35);stroke-width:.25}
.sm-lbl{fill:var(--ink-3);font-size:2.6px}
.seat{fill:rgba(237,234,228,.06);stroke:rgba(237,234,228,.22);stroke-width:.15;transition:fill .35s,stroke .35s;cursor:default}
.seat.biz{stroke:rgba(230,224,212,.4)}
.seat.exit{stroke-dasharray:.5 .3}
.seat.taken{fill:rgba(126,224,181,.55);stroke:#7EE0B5}
.seat.biz.taken{fill:rgba(230,224,212,.6);stroke:#E6E0D4}
.seat:hover,.seat:focus{outline:none;stroke:#fff;stroke-width:.3}
.seat-tip{margin-top:12px;min-height:16px}

/* payload-range */
.chart.pr svg{width:100%;height:auto;overflow:visible}
.pr-axes .grid{stroke:rgba(237,234,228,.07);stroke-width:.6}
.pr-axes text,.ax-lbl{fill:var(--ink-3);font-family:var(--mono);font-size:7px}
.zone{fill:rgba(245,184,65,.06)}
.zone-lbl{fill:rgba(245,184,65,.8);font-family:var(--mono);font-size:6.5px}
.env{fill:none;stroke:#E6E0D4;stroke-width:1.6;stroke-linejoin:round}
.pr.anim .env,#prChart.anim .env{stroke-dasharray:1;stroke-dashoffset:1;animation:bpdraw 2s .3s ease forwards}
.kp{fill:#E6E0D4}
.kp-lbl{fill:var(--ink-2);font-family:var(--mono);font-size:6.5px}
.rl{stroke-width:1;stroke-dasharray:3 3}
.rl.primary{stroke:#7EE0B5}
.rl.secondary{stroke:#F5B841}
.rl-lbl{font-family:var(--sans);font-size:7.5px;font-weight:500}
.rl-lbl.primary{fill:#7EE0B5}
.rl-lbl.secondary{fill:#F5B841}
.rl-sub{fill:var(--ink-2);font-family:var(--mono);font-size:6.2px}
.pt.primary{fill:#7EE0B5}

@media (max-width:1100px){
  .runways{grid-template-columns:repeat(2,1fr)}
  .specs{grid-template-columns:repeat(2,1fr)}
  .spec:not(:nth-child(3n+1)){padding-left:0;border-left:0}
  .spec:nth-child(even){padding-left:22px;border-left:1px solid var(--rule)}
}
@media (max-width:860px){
  .ac-hero .blueprint{right:-18%;top:4%;width:118vw;opacity:.45}
  .ac-hero .a-hero-in h1,.ac-hero .dek{max-width:none}
  .engines{grid-template-columns:1fr;gap:24px;padding:22px}
  .rule-box{grid-template-columns:1fr;gap:8px}
}
@media (max-width:560px){
  .runways,.specs,.routes,.xsec{grid-template-columns:1fr}
  .spec:nth-child(even){padding-left:0;border-left:0}
  .sv b{font-size:30px}
  .eng-row{grid-template-columns:92px 1fr 48px}
}