:root{--discovery-width:1180px}
.discovery-main{--muted:var(--text-dim-2);--accent:var(--green)}
.discovery-main{width:min(var(--discovery-width),calc(100% - 40px));margin:0 auto;padding:120px 0 80px}
.breadcrumbs{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin:0 0 34px;color:var(--muted);font-size:.82rem}
.breadcrumbs a{color:var(--muted);text-decoration:none}.breadcrumbs a:hover{color:var(--accent)}
.directory-hero,.article-hero{padding:70px 0 58px;border-bottom:1px solid var(--line)}
.directory-hero h1,.article-hero h1{max-width:950px;margin:12px 0 20px;font-family:"Space Grotesk",sans-serif;font-size:clamp(2.6rem,6vw,5.8rem);line-height:.96;letter-spacing:-.055em;overflow-wrap:anywhere}
.directory-hero>p:not(.eyebrow),.article-deck{max-width:800px;color:var(--muted);font-size:clamp(1.05rem,2vw,1.35rem);line-height:1.65}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:30px}
.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin:70px 0 26px}
.section-heading h2,.ata-band h2,.product-band h2,.related h2{margin:6px 0 0;font-family:"Space Grotesk",sans-serif;font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-.035em}
.directory-search{display:grid;gap:8px;color:var(--muted);font-size:.75rem;text-transform:uppercase;letter-spacing:.09em}
.directory-search input{width:min(360px,80vw);padding:13px 16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);color:var(--text);font:inherit;text-transform:none;letter-spacing:0}
.directory-search input:focus{outline:2px solid color-mix(in srgb,var(--accent) 55%,transparent);border-color:var(--accent)}
.directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.directory-card{min-height:230px;padding:26px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,color-mix(in srgb,var(--surface) 94%,transparent),color-mix(in srgb,var(--bg) 95%,transparent));transition:transform .2s,border-color .2s}
.directory-card:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 50%,var(--line))}.directory-card[hidden]{display:none}
.directory-card>span,.directory-card .text-link{color:var(--accent);font-family:"JetBrains Mono",monospace;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase}
.directory-card h2{margin:20px 0 12px;font:600 1.35rem/1.15 "Space Grotesk",sans-serif}.directory-card h2 a{color:var(--text);text-decoration:none}.directory-card p{color:var(--muted);line-height:1.6}.directory-card .text-link{display:inline-block;margin-top:14px;text-decoration:none}
.ata-band{margin:80px 0 0;padding:50px;border:1px solid var(--line);border-radius:20px;background:var(--surface)}
.ata-link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:28px}.ata-link-grid a{display:grid;gap:5px;padding:15px;border:1px solid var(--line);border-radius:10px;color:var(--text);text-decoration:none}.ata-link-grid a:hover{border-color:var(--accent)}.ata-link-grid span{color:var(--accent);font:500 .7rem "JetBrains Mono",monospace}
.product-band{display:flex;justify-content:space-between;align-items:center;gap:30px;margin-top:28px;padding:44px 50px;border-radius:20px;background:linear-gradient(115deg,#102c29,#0a1921);color:#fff}.product-band p:not(.eyebrow){max-width:720px;color:#b9cac9;line-height:1.6}
.article-layout{max-width:1060px;margin:0 auto}.article-hero{padding-top:40px}.article-byline{display:flex;gap:20px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font:.72rem "JetBrains Mono",monospace;text-transform:uppercase}.article-body{display:grid;grid-template-columns:210px minmax(0,720px);gap:64px;padding-top:54px}.article-toc{position:sticky;top:110px;align-self:start;display:grid;gap:12px;padding:20px;border-left:2px solid var(--accent)}.article-toc strong{margin-bottom:5px}.article-toc a{color:var(--muted);font-size:.84rem;text-decoration:none}.article-toc a:hover{color:var(--accent)}
.article-copy section{padding:0 0 40px}.article-copy h2{margin:0 0 18px;font:600 clamp(1.55rem,3vw,2.2rem)/1.12 "Space Grotesk",sans-serif;letter-spacing:-.025em}.article-copy p,.article-copy li{color:var(--muted);font-size:1.03rem;line-height:1.78}.article-copy blockquote{margin:25px 0;padding:25px 28px;border-left:3px solid var(--accent);background:var(--surface);font:500 1.12rem/1.65 "Space Grotesk",sans-serif}.callout,.safety-note{margin:24px 0;padding:20px 22px;border:1px solid var(--line);border-radius:12px;background:var(--surface)}.callout b,.safety-note b{color:var(--accent)}.callout p{margin:8px 0 0}.study-steps{list-style:none;padding:0}.study-steps li{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start;margin:0;padding:16px 0;border-bottom:1px solid var(--line)}.study-steps span{color:var(--accent);font:500 .78rem "JetBrains Mono",monospace}.study-steps p{margin:0}.focus-list,.check-list{padding-left:20px}.focus-list li,.check-list li{margin:0 0 12px}.faq details{border-top:1px solid var(--line);padding:17px 0}.faq summary{cursor:pointer;font-weight:600}.faq p{margin-bottom:0}
.aircraft-faq{display:grid;grid-template-columns:minmax(240px,.75fr) minmax(0,1.25fr);gap:clamp(36px,7vw,100px);margin:90px 0;padding:clamp(28px,5vw,64px);border:1px solid var(--line);border-radius:22px;background:linear-gradient(145deg,var(--surface),rgba(49,232,168,.055))}.faq-heading{position:sticky;top:112px;align-self:start}.faq-heading h2{max-width:520px;margin:12px 0 18px;font:600 clamp(2rem,4vw,3.5rem)/1.02 "Space Grotesk",sans-serif;letter-spacing:-.045em}.faq-heading>p:not(.eyebrow){color:var(--muted);line-height:1.65}.faq-list details:first-child{border-top:0}.faq-list summary{position:relative;padding-right:34px;font:600 1.05rem/1.45 "Space Grotesk",sans-serif;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"+";position:absolute;right:4px;top:-3px;color:var(--accent);font-size:1.5rem;font-weight:400}.faq-list details[open] summary::after{content:"–"}.faq-list p{padding-right:28px;color:var(--muted);line-height:1.7}
.related{margin:70px auto 0;max-width:1060px;padding-top:44px;border-top:1px solid var(--line)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}.related-grid a{display:grid;gap:10px;padding:20px;border:1px solid var(--line);border-radius:12px;color:var(--text);text-decoration:none}.related-grid span{color:var(--accent);font:.68rem "JetBrains Mono",monospace}
.checklist-gate{max-width:850px;margin:40px auto}.checklist-gate>[data-gate-locked]{padding:55px;border:1px solid var(--line);border-radius:20px;background:var(--surface)}.checklist-gate h1{font:600 clamp(2.4rem,6vw,4.8rem)/1 "Space Grotesk",sans-serif;letter-spacing:-.05em}.checklist-gate ul{padding-left:20px}.checklist-gate li{margin:12px 0;color:var(--muted);line-height:1.5}.privacy-compact{max-width:650px;margin-top:18px;color:var(--muted);font-size:.78rem;line-height:1.55}.gate-status{color:var(--accent)}.checklist-title{display:flex;align-items:end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px}.checklist-title h1{margin:8px 0}.checklist-title p{max-width:650px;color:var(--muted)}.checklist-sheet{padding:35px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}.checklist-sheet h2{margin-top:32px}.checklist-sheet input{width:18px;height:18px;margin-right:10px;accent-color:var(--accent)}.is-hidden{display:none!important}
@media(max-width:900px){.directory-grid,.ata-link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-body{grid-template-columns:1fr}.article-toc{position:static;grid-template-columns:repeat(3,1fr);border-left:0;border-top:2px solid var(--accent)}.product-band{align-items:start;flex-direction:column}}
@media(max-width:820px){.aircraft-faq{grid-template-columns:1fr}.faq-heading{position:static}}
@media(max-width:620px){.discovery-main{width:min(100% - 28px,1180px);padding-top:95px}.directory-grid,.ata-link-grid,.related-grid{grid-template-columns:1fr}.directory-hero,.article-hero{min-width:0;padding:42px 0}.directory-hero h1,.article-hero h1{font-size:clamp(2.25rem,12vw,3.35rem)}.hero-actions{align-items:stretch;flex-direction:column}.hero-actions .btn{width:100%;white-space:normal;text-align:center;justify-content:center}.section-heading{align-items:start;flex-direction:column}.ata-band,.product-band,.checklist-gate>[data-gate-locked],.checklist-sheet,.aircraft-faq{padding:26px}.article-toc{grid-template-columns:1fr 1fr}.article-body{padding-top:30px}.article-copy p,.article-copy li{font-size:.98rem}}
@media print{.site-header,.resource-footer,.breadcrumbs,.btn,.privacy-compact{display:none!important}.discovery-main{width:100%;padding:0}.checklist-sheet{border:0;padding:0}.checklist-title{margin:0}.checklist-sheet li{break-inside:avoid;color:#111}body{background:#fff;color:#111}.grid-scrim{display:none}}