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@media(min-width:1441px){.hero-copy{padding-left:76px}.home-hero{max-width:1360px}.hero-visual{border-bottom-right-radius:7px}}
@media(max-width:1100px){.nav-shell{gap:30px}.nav-shell nav{gap:20px}.hero-copy{padding:60px 35px}.home-hero h1{font-size:48px}.hero-visual,.home-hero{min-height:520px}.catalogue-strip{gap:25px}.catalogue-strip .ecosystems{max-width:175px}.ecosystems .xp{margin-left:0}.editorial-grid{gap:50px}.filter-bar{grid-template-columns:1.5fr 1fr 1fr}.filter-bar>div:nth-child(4){grid-column:1 / 3}.detail-body{grid-template-columns:190px 1fr;gap:35px}.detail-photo img{height:420px}.card-body h3{font-size:20px}.editor-grid{grid-template-columns:minmax(0,1fr) 290px}.signal-name code{font-size:11px}}
@media(max-width:760px){.nav-shell{padding:0 22px;gap:25px;flex-wrap:wrap;justify-content:space-between}.site-header{height:112px}.wordmark{font-size:23px}.nav-shell nav{order:3;width:100%;height:39px;justify-content:flex-start;gap:27px;font-size:11px;align-self:flex-end;margin-top:-15px}.nav-actions{gap:16px;margin-left:auto}.bridge-link{font-size:10px}.nav-shell>.wordmark,.nav-actions{margin-top:15px}.preview-note{display:none}.home-hero{display:flex;flex-direction:column}.hero-copy{padding:48px 24px 37px}.home-hero h1{font-size:clamp(39px,8vw,58px);white-space:normal;line-height:1.06}.hero-copy .lead{max-width:540px;font-size:15px;margin-top:24px}.hero-copy .eyebrow{font-size:9px}.hero-search{margin-top:27px}.hero-visual{min-height:360px;max-height:440px;height:60vw}.hero-label{bottom:36px;left:25px}.hero-label>a{font-size:26px}.hero-credit{bottom:12px;font-size:8px}.catalogue-strip{padding:24px;gap:20px;justify-content:space-between;min-height:95px;flex-wrap:wrap}.catalogue-strip>div:not(.ecosystems){display:block}.catalogue-strip strong{font-size:23px;display:block;line-height:1.3}.catalogue-strip span{font-size:9px}.catalogue-strip .ecosystems{max-width:none;margin:3px 0 0;width:100%;gap:8px;font-size:9px}.ecosystems .xp{margin-left:15px}.page-shell{padding:48px 22px}.section-heading{align-items:flex-start;gap:18px}.section-heading h2{font-size:29px}.section-heading .text-link{font-size:10px;margin-top:27px;gap:7px}.section-heading .eyebrow{font-size:9px}.aircraft-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.card-body{padding:16px 15px 12px}.card-body h3{font-size:20px}.card-body p{font-size:11px}.card-sims{gap:9px}.card-sims>span{font-size:8px}.image-category{left:10px;top:10px;font-size:8px}.card-bottom{font-size:9px;gap:8px}.card-credit{padding:0 14px 9px;font-size:7px;line-height:1.3}.editorial-grid{display:block}.editorial-grid h2{font-size:37px}.feature-list{margin-top:35px}.bottom-features{gap:24px}.bottom-feature{padding-right:0}.bottom-feature+.bottom-feature{padding-left:24px}.bottom-feature h2{font-size:25px;line-height:1.2}.bottom-feature p{font-size:12px}.bottom-feature .eyebrow{font-size:8px;display:block;margin-bottom:14px}.footer-main{display:block;margin-bottom:28px}.footer-links{margin-top:27px;gap:12px 22px;max-width:360px}.footer-bottom{display:block;font-size:9px}.footer-bottom>span{display:block;margin:7px 0}.site-footer{padding:35px 24px 20px}.filter-bar{grid-template-columns:1fr 1fr;padding:18px;gap:15px;margin-top:24px}.filter-bar .query-field{grid-column:1/-1}.filter-bar>div:nth-child(4){grid-column:1/2}.filter-bar .button{align-self:end;height:43px}.catalogue-page h1{font-size:38px}.lead{font-size:16px}.category-pills{gap:6px}.category-pills a{font-size:10px;padding:6px 10px}.detail-heading{display:block}.detail-heading .button{margin:0 0 16px}.detail-top{padding-top:26px;padding-bottom:0}.detail-photo img{height:310px}.detail-photo figcaption{font-size:8px;line-height:1.6;flex-wrap:wrap;gap:4px}.detail-stats{grid-template-columns:1fr 1fr;gap:19px;padding:20px 0}.detail-stats>div{padding-left:15px}.detail-stats>div:nth-child(3){padding:0;border:0}.detail-stats strong{font-size:12px}.detail-stats span{font-size:9px}.detail-body{display:block;padding-top:24px}.section-nav{position:static;display:flex;overflow:auto;gap:22px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:35px}.section-nav>.eyebrow{display:none}.section-nav>a{white-space:nowrap;gap:7px}.section-nav a span{font-size:11px}.article-content h2{font-size:30px}.body-large{font-size:16px}.implementation-card{padding:20px}.implementation-card h3{font-size:23px}.resource-row strong{font-size:12px}.resource-row small{font-size:9px}.resource-row{gap:12px}.reference-intro{gap:15px}.reference-platform{padding:19px}.reference-platform h2{font-size:24px}.reference-platform .eyebrow{font-size:8px}.signal-name{align-items:flex-start;flex-direction:column;gap:10px}.signal-detail summary>.small{white-space:nowrap;font-size:10px}.signal-expanded{padding-left:0}.compare-form{grid-template-columns:1fr;gap:17px}.comparison-grid{grid-template-columns:repeat(3,260px);overflow:auto;padding-bottom:15px}.comparison-column{padding:15px}.comparison-column>img{height:155px}.comparison-column h2{font-size:23px}.compare-tray{width:calc(100% - 28px);gap:13px;font-size:10px;padding:10px 12px}.compare-tray .button{font-size:10px;padding:9px 12px;gap:6px}.editor-grid{display:block}.admin-summary{gap:25px;padding:20px}.admin-summary strong{font-size:27px}.admin-summary span{font-size:9px}.admin-row{gap:12px;font-size:11px}.admin-row .tag{font-size:8px;max-width:90px}.admin-row>span:last-child{font-size:10px}.editor-page .section-heading{display:block}.editor-page .text-link{margin-top:0}.unlock-shell{margin:65px auto 85px}.unlock-shell h1{font-size:45px}}
@media(max-width:440px){.aircraft-grid{grid-template-columns:1fr;gap:23px}.card-image{aspect-ratio:1.73}.card-body{padding:20px}.card-body h3{font-size:24px}.card-body p{font-size:12px}.card-sims>span{font-size:9px}.card-bottom{font-size:10px}.card-credit{font-size:8px;padding:0 20px 12px}.section-heading{flex-wrap:wrap;gap:10px}.section-heading .text-link{margin-top:0}.featured-section .section-heading{margin-bottom:20px}.hero-visual{min-height:285px}.bottom-features{display:block}.bottom-feature{display:block}.bottom-feature+.bottom-feature{border-left:0;border-top:1px solid var(--line);padding:26px 0 0;margin-top:25px}.reference-intro{grid-template-columns:1fr}.nav-shell nav{gap:21px}.detail-photo img{height:245px}.detail-heading h1{font-size:38px}.signal-name code{font-size:10px}.signal-detail summary>.small{max-width:80px;white-space:normal;text-align:right}.compare-tray{flex-wrap:wrap;justify-content:space-between}.compare-tray>span{font-size:10px}.admin-summary{gap:18px}.admin-page .section-heading{display:block}.admin-page .button{margin-top:8px}.admin-row .tag{font-size:8px}.detail-stats strong{font-size:11px}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Reading layout for the source-backed aircraft profiles. */
.detail-photo img{height:auto;max-height:600px;object-fit:contain;background:var(--surface)}
.detail-stats{align-items:start}.detail-stats>div{min-width:0}.detail-stats strong{font-size:14px;line-height:1.55;display:block;max-width:270px}
.article-content .body-large{font-size:18px;line-height:1.85;margin-bottom:24px}.background-source{padding-top:8px;margin-top:22px}
.section-nav a{display:flex;justify-content:space-between;align-items:center;gap:10px}.section-nav small{color:var(--muted)}
.implementation-jump{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:24px 0 34px}.implementation-jump a{padding:13px 16px;border:1px solid var(--line);border-radius:6px;font-size:13px;line-height:1.4}.implementation-jump small{display:block;color:var(--muted);margin-top:5px;font-size:10px}
.implementation-card{scroll-margin-top:25px;padding:30px;margin-bottom:24px}.implementation-card h3{font-size:27px;margin-bottom:9px}.implementation-detail{margin:27px 0;padding-top:24px;border-top:1px solid var(--line)}.implementation-detail h4{font-size:18px;font-weight:550;line-height:1.4;letter-spacing:-.02em;margin:0 0 14px}.implementation-detail p{font-size:15px;line-height:1.8}.implementation-detail .source-context{font-size:11px;color:var(--muted);line-height:1.65;margin:8px 0 0}.edition-line{font-size:12px;color:var(--muted)}.edition-line span{margin-right:10px;color:var(--fg)}
.resource-group-heading{font-size:16px;margin:32px 0 12px}.resource-row small{line-height:1.5}.resource-row{overflow-wrap:anywhere}.implementation-links{overflow-wrap:anywhere}.comparison-cell p{font-size:14px}
.content-fieldset{border:1px solid var(--line);border-radius:6px;padding:20px;margin:20px 0}.content-fieldset legend{font-size:13px;padding:0 8px}.editor-section{border-top:1px solid var(--line);padding:18px 0}.editor-section summary{cursor:pointer;font-size:14px;line-height:1.5}.editor-section summary small{display:block;color:var(--muted);margin:6px 0 12px}.editor-section .checkbox-label{display:flex;align-items:center;gap:10px}.checkbox-label input{width:auto;margin:0}
@media(max-width:700px){.detail-photo img{height:auto;max-height:420px}.detail-stats strong{font-size:12px}.implementation-card{padding:22px}.implementation-card h3{font-size:24px}.implementation-jump{grid-template-columns:1fr}.article-content .body-large{font-size:16px;line-height:1.85}.implementation-detail p{font-size:14px}.detail-photo figcaption{gap:12px;line-height:1.6;align-items:start}}

/* Keep brand and product links on one row on compact screens. */
@media(max-width:760px){.nav-shell{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-rows:70px 40px;gap:0 8px}.nav-shell>.wordmark{grid-column:1;grid-row:1;font-size:20px;margin-top:0}.nav-shell>.wordmark svg{width:26px;height:26px;margin-right:7px}.nav-actions{grid-column:2;grid-row:1;margin:0;gap:8px}.nav-actions .bridge-link{font-size:10px}.nav-actions .bridge-link span{display:none}.nav-actions .theme-toggle{height:28px;width:28px}.nav-shell nav{grid-column:1/-1;grid-row:2;margin:0;height:auto;width:100%;align-self:stretch;gap:24px}}

/* Aircraft discovery and research. */
[hidden]{display:none!important}.nav-shell nav a,.nav-actions .bridge-link{font-weight:550}
.hero-slide{position:absolute;inset:0}.hero-slide>img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:52% 50%}.hero-controls{position:absolute;top:22px;right:22px;display:flex;gap:7px;z-index:2}.hero-controls button{display:grid;place-items:center;width:38px;height:38px;border:1px solid #ffffff60;border-radius:50%;background:#0b1828b3;color:#fff;cursor:pointer;font-size:16px}.hero-controls button:hover{background:#0b1828}.hero-controls button:focus-visible{outline:3px solid #fff;outline-offset:3px}
.comparison-toolbar{display:flex;justify-content:space-between;align-items:center;gap:16px;margin:30px 0 18px}.comparison-toolbar button:disabled{opacity:.4;cursor:default}.comparison-scroll{overflow-x:auto;padding:0 0 20px;scrollbar-color:var(--muted) var(--surface);scrollbar-width:auto}.comparison-slots{display:grid;grid-auto-flow:column;grid-auto-columns:calc((100% - 40px)/3);gap:20px;align-items:stretch}.comparison-slot{min-width:0;display:flex;flex-direction:column}.comparison-selector{margin-bottom:22px}.comparison-slot-label{display:flex;justify-content:space-between;align-items:center;min-height:37px}.comparison-slot-label label{margin:0}.remove-aircraft{border:0;background:none;color:var(--muted);font-size:23px;line-height:1;cursor:pointer;padding:5px 8px}.remove-aircraft:hover{color:var(--fg)}.comparison-column{flex:1}.comparison-column h2{overflow-wrap:anywhere}.comparison-placeholder{border:1px dashed var(--line);border-radius:6px;min-height:420px;padding:45px 28px;background:var(--surface);text-align:center}.comparison-placeholder>span{display:block;font-size:70px;font-weight:300;color:var(--line);margin:5px 0 28px}.comparison-placeholder h2{font-size:21px}.comparison-placeholder p{font-size:13px;line-height:1.8;color:var(--muted)}.comparison-cell .eyebrow{display:block}.comparison-resources .text-link{display:block;margin-top:14px}.comparison-cell small{font-size:10px;line-height:1.5;display:block}.catalogue-actions{display:flex;gap:20px;align-items:center}.results-heading{align-items:center;gap:16px}.shuffle-button{font-size:12px;padding:9px 14px;white-space:nowrap}
.research-page h1{max-width:850px}.research-intro-links{margin:22px 0 35px}.research-filters{display:grid;grid-template-columns:1.5fr 1.2fr 1fr auto;gap:16px;align-items:end}.research-topics{display:flex;gap:9px;align-items:center;flex-wrap:wrap;margin:22px 0 28px}.research-topics>span{margin-right:8px}.research-topics a{font-size:12px;padding:7px 13px;border:1px solid var(--line);border-radius:30px}.research-topics a:hover,.research-topics a.selected{border-color:var(--brand);color:var(--brand)}.research-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.research-card{border:1px solid var(--line);border-radius:7px;padding:27px;display:flex;flex-direction:column;overflow-wrap:anywhere}.research-aircraft-heading{display:flex;align-items:center;gap:16px;margin:-27px -27px 22px;padding:20px 27px;border-bottom:1px solid var(--line);background:var(--surface)}.research-aircraft-heading img{width:92px;height:64px;object-fit:cover;border-radius:4px}.research-aircraft-heading>div>a{font-size:15px;font-weight:550}.research-aircraft-heading small{display:block;font-size:10px;line-height:1.6;color:var(--muted);margin-top:6px}.research-card h2{font-size:23px;line-height:1.35;letter-spacing:-.025em;margin:0 0 18px}.research-card>p{font-size:14px;line-height:1.85;margin:0 0 17px}.research-card>.research-implementation{font-size:11px;color:var(--brand);line-height:1.7;margin-bottom:14px}.research-card>.source-context{font-size:11px;line-height:1.7;color:var(--muted)}.research-source{border-top:1px solid var(--line);padding-top:20px;margin-top:auto;display:flex;flex-direction:column;gap:9px}.research-source a{font-size:13px;color:var(--brand);line-height:1.7}.research-source small{font-size:10px;color:var(--muted)}.research-card-actions{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:24px}.research-card-actions .text-link{font-size:12px}.research-card-actions .small{font-size:10px}.prose .inline-actions{flex-wrap:wrap}
@media(max-width:1000px){.research-filters{grid-template-columns:1fr 1fr}.comparison-slots{grid-auto-columns:calc((100% - 20px)/2)}}
@media(max-width:700px){.comparison-slots{grid-auto-columns:88%;gap:16px}.comparison-toolbar{align-items:flex-start}.comparison-toolbar>.small{max-width:130px;line-height:1.6}.comparison-placeholder{min-height:340px}.results-heading{align-items:flex-start;flex-wrap:wrap}.catalogue-actions{gap:14px}.research-results{grid-template-columns:1fr}.research-filters{grid-template-columns:1fr}.research-card{padding:22px}.research-aircraft-heading{margin:-22px -22px 22px;padding:18px 22px}.hero-controls{top:16px;right:16px}.hero-controls button{height:34px;width:34px}.hero-label>a{font-size:24px}}

.wordmark svg .brand-main{fill:#78b7e7;stroke:none}.wordmark svg .brand-wing{fill:#438cbf;stroke:none}.wordmark svg .brand-accent{fill:#f4a261;stroke:none}

.signup-band{border-top:1px solid var(--line);background:var(--surface)}.signup-inner{display:grid;grid-template-columns:1fr 1fr;gap:70px;padding-top:44px;padding-bottom:40px;align-items:center}.signup-inner h2{font-size:25px;letter-spacing:-.03em;margin:10px 0 13px}.signup-inner>div>p{font-size:13px;color:var(--muted);line-height:1.8;max-width:470px;margin:0}.signup-inputs{display:flex;gap:10px}.signup-inputs input{min-width:0;flex:1}.signup-inputs button{white-space:nowrap}.signup-note{font-size:10px;line-height:1.7;color:var(--muted);margin:12px 0 0}.signup-note a{text-decoration:underline;text-underline-offset:2px}.signup-status{font-size:12px;line-height:1.6;color:var(--brand);margin:8px 0 0}.signup-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.privacy-choice{border:1px solid var(--line);padding:22px;border-radius:6px}.privacy-choice button{margin-top:10px}.signup-inputs button:disabled{opacity:.6}
@media(max-width:760px){.signup-inner{grid-template-columns:1fr;gap:22px;padding-top:32px;padding-bottom:30px}.signup-inputs{flex-wrap:wrap}.signup-inputs input{flex-basis:160px}.signup-inner h2{font-size:23px}}

/* Quiet, accessible forms for the launch's optional ways to participate. */
.engagement-page{padding-top:5rem;padding-bottom:6rem;min-height:60vh}
.engagement-form{margin:2.5rem 0;max-width:40rem;display:flex;flex-direction:column;align-items:stretch;gap:.65rem}
.engagement-form label,.engagement-form legend{font-weight:550;font-size:.95rem}
.engagement-form input:not([type=radio]):not([type=hidden]),.engagement-form select,.engagement-form textarea{width:100%;box-sizing:border-box;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--fg);padding:.9rem 1rem;font:inherit}
.engagement-form textarea{resize:vertical;min-height:10rem;line-height:1.6}
.engagement-form .button{align-self:flex-start;margin-top:.8rem}
.engagement-form .field-note{font-size:.82rem;color:var(--muted);margin:0 0 1rem;line-height:1.6}
.engagement-form fieldset{border:0;padding:0;margin:0 0 1rem;min-width:0}
.support-amounts{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;margin-top:.8rem}
.support-amounts label{position:relative;cursor:pointer}
.support-amounts input{position:absolute;opacity:0}
.support-amounts span{display:block;border:1px solid var(--line);border-radius:6px;text-align:center;padding:1rem .4rem}
.support-amounts input:checked+span{border-color:var(--brand);background:var(--surface);box-shadow:inset 0 0 0 1px var(--brand)}
.support-amounts input:focus-visible+span{outline:2px solid var(--brand);outline-offset:4px}
.support-footnote{border-top:1px solid var(--line);padding-top:1.5rem;font-size:.85rem;color:var(--muted)}
.notice{padding:1.2rem 1.5rem;border-left:3px solid var(--brand);background:var(--surface);border-radius:4px}
.validation-summary-errors{color:#df745f;border-left:3px solid currentColor;padding-left:1rem}
@media(max-width:540px){.engagement-page{padding-top:3rem}.support-amounts{grid-template-columns:repeat(2,1fr)}}

.validation-summary-valid{display:none}.custom-amount-fields{display:flex;flex-direction:column;gap:.65rem}

.nav-shell nav a.support-nav{color:#f4a261}.nav-shell nav a.support-nav:hover{color:var(--fg)}
:root[data-theme=light] .nav-shell nav a.support-nav{color:#914917}
.home-support{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:22px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.home-support p{margin:0;color:var(--muted);font-size:12px;line-height:1.7}.home-support .text-link{font-size:12px;white-space:nowrap}
.about-support{border-left:2px solid #f4a261;padding:4px 0 4px 22px;margin:28px 0 38px}.about-support p{margin-bottom:18px}
@media(max-width:540px){.home-support{align-items:flex-start;flex-direction:column;gap:10px}.home-support p{max-width:32rem}}
@media(max-width:480px){.nav-shell nav{gap:18px;font-size:11px}}