:root{--ink:#15202a;--dark:#111d28;--cream:#f3f0e8;--line:#d9d5ca;--gold:#d8a340;--muted:#5e6971}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit}a:focus-visible{outline:3px solid var(--gold);outline-offset:4px}.wrap{width:min(1180px,calc(100% - 48px));margin:auto}.topbar{background:var(--dark);color:#fff;border-bottom:1px solid #45515d}.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;min-height:76px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:800;letter-spacing:.07em;text-transform:uppercase;line-height:1.1}.brand-mark{display:grid;place-items:center;width:39px;height:39px;background:var(--gold);color:var(--dark);font-size:21px;clip-path:polygon(0 0,100% 0,100% 75%,70% 100%,0 100%)}nav{display:flex;gap:26px;font-size:14px;font-weight:650}nav a{text-decoration:none;color:#d9e0e3}nav a:hover{color:var(--gold)}.hero{background:var(--dark);color:#fff}.hero-grid{display:grid;grid-template-columns:1fr 1.08fr;min-height:590px}.hero-copy{padding:80px 55px 75px 0;align-self:center}.eyebrow{color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.18em;text-transform:uppercase}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,"Times New Roman",serif}h1{font-size:clamp(3.4rem,6vw,6.6rem);line-height:.99;letter-spacing:-.045em;margin:24px 0}.hero-copy p{font-size:18px;color:#d4dde0;max-width:540px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;text-decoration:none;font-weight:750;font-size:14px;letter-spacing:.02em;border:1px solid var(--gold);background:var(--gold);color:var(--dark)}.button.secondary{background:transparent;color:#fff;border-color:#687985}.button:hover{filter:brightness(1.1)}.hero-photo{position:relative;min-height:440px;margin-right:calc((min(1180px,100vw - 48px) - 100vw)/2);overflow:hidden;background:#384957}.hero-photo img{width:100%;height:100%;object-fit:cover;object-position:center;display:block;filter:contrast(1.08) saturate(.76)}.hero-photo:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(17,29,40,.35),transparent 45%)}.photo-label{position:absolute;z-index:1;bottom:20px;right:24px;padding:8px 12px;background:rgba(17,29,40,.85);color:#fff;font-size:12px}.intro{padding:75px 0 70px;display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;border-bottom:1px solid var(--line)}.section-kicker{font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:#9a6b1f}.intro h2,.section-head h2{font-size:clamp(2.4rem,4vw,4.2rem);line-height:1.08;letter-spacing:-.035em;margin:12px 0}.intro p{font-size:18px;color:#3c474d}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}.stat{border-top:2px solid var(--gold);padding-top:14px}.stat strong{display:block;font-size:25px;line-height:1.2}.stat span{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.section{padding:76px 0}.section-head{max-width:720px;margin-bottom:34px}.section-head p{color:var(--muted);font-size:17px}.variant-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);padding:28px;min-height:266px}.card .number{display:block;color:#a26f24;font-size:13px;font-weight:800;letter-spacing:.14em;margin-bottom:28px}.card h3{font-family:Georgia,serif;font-size:26px;line-height:1.1;margin-bottom:13px}.card p{color:#536068;margin-bottom:0}.feature{background:#d9d6cc;padding:70px 0}.feature-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:55px;align-items:center}.feature figure{margin:0}.feature img{display:block;width:100%;height:390px;object-fit:cover}.feature figcaption{font-size:12px;margin-top:10px;color:#576068}.feature h2{font-size:clamp(2.5rem,4vw,4rem);line-height:1.08}.feature p{font-size:17px}.feature a.text-link{font-weight:750;text-underline-offset:5px}.footer{background:var(--dark);color:#d6dce0;padding:50px 0}.footer-grid{display:flex;justify-content:space-between;gap:32px}.footer strong{color:#fff}.footer p{max-width:650px;margin:12px 0 0;font-size:14px}.footer a{color:var(--gold)}@media(max-width:850px){.hero-grid,.intro,.feature-grid{grid-template-columns:1fr}.hero-copy{padding:62px 0}.hero-photo{margin:0 calc((100vw - min(1180px,100vw - 48px))/-2);height:420px}.intro{gap:12px}.variant-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.wrap{width:min(100% - 32px,1180px)}.topbar .wrap{align-items:flex-start;flex-direction:column;padding:17px 0;gap:16px}nav{gap:19px;flex-wrap:wrap}.hero-copy{padding:54px 0}.hero-photo{height:310px;min-height:310px}.hero-copy p,.intro p{font-size:16px}.intro,.section{padding:55px 0}.stats{grid-template-columns:1fr 1fr}.variant-grid{grid-template-columns:1fr}.card{min-height:0}.feature{padding:55px 0}.feature img{height:270px}.footer-grid{display:block}}
.page-hero{background:#111d28;color:#fff;padding:70px 0 64px}.page-hero h1{font-size:clamp(2.8rem,5vw,5rem);max-width:850px}.page-hero p{max-width:760px;color:#d4dde0;font-size:18px}.breadcrumbs{font-size:14px;color:#aeb9c0;margin-bottom:20px}.breadcrumbs a{color:#d8a340}.article-shell{padding:60px 0 85px}.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:70px}.article-main{max-width:800px}.article-main h2{font:700 clamp(2rem,3vw,3rem)/1.15 Georgia,serif;letter-spacing:-.03em;margin:48px 0 14px}.article-main h3{font:700 1.35rem/1.25 Georgia,serif;margin:30px 0 10px}.article-main p,.article-main li{font-size:17px;color:#344149}.article-main li{margin-bottom:10px}.article-main a{color:#975d15;text-underline-offset:3px}.article-aside{border-top:3px solid #d8a340;padding-top:18px;align-self:start;position:sticky;top:24px}.article-aside strong{display:block;margin-bottom:10px}.article-aside a{display:block;padding:9px 0;border-bottom:1px solid #d9d5ca;text-decoration:none;font-size:14px}.compare{width:100%;border-collapse:collapse;margin:26px 0 36px;font-size:15px}.compare th,.compare td{border-bottom:1px solid #d9d5ca;padding:15px;text-align:left;vertical-align:top}.compare th{background:#e5dfd2;font-weight:800}.compare td:first-child{font-weight:750}.note{background:#e5dfd2;border-left:4px solid #d8a340;padding:19px 22px;margin:28px 0}.source-list{font-size:14px;padding-left:20px}.source-list li{font-size:14px}.ident-list{counter-reset:step;list-style:none;padding:0}.ident-list li{counter-increment:step;position:relative;padding:16px 18px 16px 60px;background:#fff;border:1px solid #d9d5ca;margin:14px 0}.ident-list li:before{content:counter(step,decimal-leading-zero);position:absolute;left:18px;top:17px;color:#a26f24;font-weight:800}.related{display:flex;gap:16px;flex-wrap:wrap;margin-top:38px}.related a{padding:12px 17px;background:#111d28;color:#fff;text-decoration:none;font-size:14px;font-weight:700}@media(max-width:800px){.article-grid{grid-template-columns:1fr}.article-aside{position:static}.compare{display:block;overflow-x:auto;white-space:normal}.compare th,.compare td{min-width:130px}.page-hero{padding:55px 0}}
.airframe-panel{background:#fff;border:1px solid #d9d5ca;padding:28px;margin:30px 0}.airframe-panel .eyebrow{color:#9a6b1f}.airframe-panel h2{margin:12px 0;font-size:2rem}.record-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:25px 0}.record-cell{border-top:2px solid #d8a340;padding-top:12px}.record-cell small{display:block;color:#5e6971;text-transform:uppercase;letter-spacing:.09em;font-weight:800}.record-cell strong{display:block;font-size:17px}.record-card{display:block;background:#fff;border:1px solid #d9d5ca;padding:26px;text-decoration:none}.record-card:hover{border-color:#d8a340}.record-card strong{display:block;font:700 1.8rem Georgia,serif;margin:8px 0}.record-card span{color:#536068}.record-meta{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:#9a6b1f;font-weight:800}.record-timeline{border-left:2px solid #d8a340;margin:20px 0 35px;padding-left:25px}.record-timeline p{position:relative;margin:0 0 24px}.record-timeline p:before{content:"";position:absolute;left:-31px;top:8px;width:10px;height:10px;border-radius:50%;background:#d8a340}@media(max-width:650px){.record-grid{grid-template-columns:1fr}}
.airframe-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.airframe-cards .record-card{height:100%}@media(max-width:850px){.airframe-cards{grid-template-columns:1fr}}

.skip-link{position:absolute;top:-60px;left:12px;z-index:100;background:#fff;color:#111d28;padding:10px 14px;font-weight:800}.skip-link:focus{top:12px}nav a[aria-current="page"]{color:#fff;text-decoration:underline;text-decoration-color:#d8a340;text-underline-offset:6px}.answer-panel,.decision,.evidence-note{background:#fff;border:1px solid #d9d5ca;padding:22px 25px;margin:0 0 30px}.answer-panel{border-top:4px solid #d8a340}.answer-panel strong,.decision strong,.evidence-note strong{font-weight:800}.answer-panel ul{margin:12px 0;padding-left:22px}.answer-panel li{margin:4px 0}.answer-panel p,.evidence-note p{margin:10px 0}.answer-panel a{font-weight:750}.decision-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:18px 0}.decision-grid>div{padding:17px;background:#f3f0e8}.decision-grid p{margin:8px 0 0}.decision-caution{margin:0}.evidence-note{background:#e5dfd2;border-left:4px solid #d8a340}.section-intro{font-weight:650}.hero-text-link{display:inline-block;color:#fff;font-weight:750;margin-top:16px}.hero-text-link:hover{color:#d8a340}@media(max-width:650px){.decision-grid{grid-template-columns:1fr}.answer-panel,.decision,.evidence-note{padding:18px}.topbar nav{gap:9px 17px;line-height:1.4}}

@media(max-width:900px){.topbar .wrap{flex-wrap:wrap;padding:16px 0}.topbar nav{flex-wrap:wrap}}