/* LTU Armor — field-chart palette: overcast paper, slate ink, forest olive, hi-vis yellow for actions only */
:root{
  --paper:#EDF0EE;
  --paper-2:#E1E6E3;
  --ink:#1D2528;
  --slate:#4A585E;
  --olive:#55603F;
  --olive-soft:#C9D0BD;
  --hivis:#F0B323;
  --line:#C3CBC8;
  --on-ink:#E7EBE9;
  --on-ink-dim:#A9B4B0;
  --max:1180px;
  --font:"Archivo",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:1.0625rem;line-height:1.55;font-variation-settings:"wdth" 100;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--hivis);outline-offset:2px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{font-stretch:75%;font-variation-settings:"wdth" 75;line-height:1.05;margin:0 0 .5em;letter-spacing:-.005em}
h1{font-weight:750;font-size:clamp(2.2rem,4.8vw,4rem)}
h2{font-weight:700;font-size:clamp(1.9rem,3.6vw,3rem)}
h3{font-weight:700;font-size:1.6rem}
h4{font-weight:650;font-size:1.15rem;line-height:1.2}
p{margin:0 0 1em;max-width:66ch}
.small{font-size:.875rem;color:var(--slate)}
.skip{position:absolute;left:-999px;top:8px;background:var(--hivis);color:var(--ink);padding:8px 12px;z-index:100}
.skip:focus{left:8px}

/* buttons */
.btn{display:inline-block;font:inherit;font-weight:650;text-decoration:none;padding:.8em 1.3em;border-radius:3px;border:2px solid transparent;cursor:pointer;line-height:1.2}
.btn-hv{background:var(--hivis);color:var(--ink)}
.btn-hv:hover{background:#FFC53D}
.btn-ink{background:var(--ink);color:var(--on-ink)}
.btn-ink:hover{background:#2c373b}
.btn-ghost{border-color:currentColor;color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1)}
.btn-sm{padding:.55em 1em;font-size:.95rem}

/* header */
.top{position:sticky;top:0;z-index:50;background:var(--ink);color:var(--on-ink)}
.top-in{max-width:var(--max);margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:28px}
.brand img{height:44px;width:auto}
.main-nav{display:flex;gap:22px;margin-left:auto}
.main-nav a{text-decoration:none;font-weight:500;color:var(--on-ink)}
.main-nav a:hover{color:var(--hivis)}
.langs{display:flex;gap:2px}
.langs a{text-decoration:none;font-size:.85rem;font-weight:600;padding:4px 6px;color:var(--on-ink-dim);border-radius:2px}
.langs a[aria-current]{color:var(--ink);background:var(--on-ink)}
.langs a:hover{color:var(--on-ink)}
@media (max-width:900px){
  .main-nav{display:none}
  .top-in{gap:12px}
  .langs{margin-left:auto}
  .top .btn-sm{display:none}
}

/* hero */
.hero{position:relative;color:#fff;background:var(--ink);overflow:hidden;min-height:min(86vh,820px);display:flex;align-items:flex-end}
.hero-img{position:absolute;inset:0;width:100%;height:100% !important;object-fit:cover;opacity:.78}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(29,37,40,.15) 0%,rgba(29,37,40,.35) 45%,rgba(29,37,40,.92) 100%)}
.hero-in{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:end;padding-top:120px;padding-bottom:64px;width:100%}
.hero-copy h1{max-width:20ch}
.hero-copy p{font-size:1.15rem;color:#E3E8E6;max-width:56ch}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:1.6em}
.plate{border:1.5px solid rgba(255,255,255,.55);padding:16px 18px;background:rgba(29,37,40,.55);backdrop-filter:blur(4px)}
.plate-t{font-weight:700;font-stretch:75%;font-variation-settings:"wdth" 75;font-size:1.1rem;margin:0 0 10px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.35)}
.plate dl{margin:0}
.plate div{display:flex;justify-content:space-between;gap:12px;padding:5px 0}
.plate dt{color:#C9D2CF;font-size:.92rem}
.plate dd{margin:0;font-weight:700;font-variant-numeric:tabular-nums}
@media (max-width:820px){.hero-in{grid-template-columns:1fr;gap:28px;padding-top:160px}.plate{max-width:360px}}

/* section heads */
.sec-head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:48px;align-items:end;margin-bottom:40px}
.sec-head h2{margin:0}
.sec-head p{margin:0;color:var(--slate)}
@media (max-width:820px){.sec-head{grid-template-columns:1fr;gap:12px}}

/* applications */
.apps{padding-top:96px;padding-bottom:96px}
.apps-grid{display:grid;grid-template-columns:3fr 2fr;gap:56px}
.apps-col h3{padding-bottom:12px;border-bottom:3px solid var(--ink)}
.apps-def h3{border-color:var(--olive);color:var(--olive)}
.app-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:4px 32px}
.apps-def .app-list{grid-template-columns:1fr}
.app-list li{padding:14px 0;border-bottom:1px solid var(--line)}
.app-list h4{margin-bottom:.3em}
.app-list p{margin:0;color:var(--slate);font-size:.98rem}
@media (max-width:900px){.apps-grid{grid-template-columns:1fr;gap:40px}.app-list{grid-template-columns:1fr}}

/* range rings — the one bold moment */
.range{background:var(--ink);color:var(--on-ink);padding:96px 0}
.range-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,6fr);gap:56px;align-items:center}
.range-copy p{color:var(--on-ink-dim)}
.range .small{color:var(--on-ink-dim)}
.ring-legend{list-style:none;padding:0;margin:28px 0}
.ring-legend li{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.12);font-variant-numeric:tabular-nums;cursor:default}
.ring-legend li.hl{color:var(--hivis)}
.ring-legend .sw{width:26px;height:0;border-top:2px solid var(--on-ink);flex:none}
.ring-legend .lg-d .sw{border-top:2px dashed var(--hivis)}
.rings{width:100%;max-width:560px;margin-left:auto;height:auto;overflow:visible}
.rings .grid{stroke:rgba(255,255,255,.13);stroke-width:1}
.rings .ring{fill:none;stroke-width:1.5;transition:stroke .2s,stroke-width .2s}
.rings .ring-c{stroke:rgba(231,235,233,.75)}
.rings .ring-d{stroke:var(--hivis);stroke-dasharray:6 6}
.rings .ring.hl{stroke:var(--hivis);stroke-width:3}
.rings .origin{fill:var(--hivis)}
@media (max-width:900px){.range-grid{grid-template-columns:1fr}.rings{margin:0 auto}}

/* aircraft */
.aircraft{padding-top:96px;padding-bottom:40px}
.prod{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;padding:56px 0;border-top:1px solid var(--line)}
.prod:nth-of-type(even){grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.prod:nth-of-type(even) .prod-media{order:2}
.prod-media{margin:0}
.prod-main{width:100%;aspect-ratio:3/2;object-fit:cover;background:var(--paper-2)}
.thumbs{list-style:none;display:flex;gap:8px;padding:0;margin:10px 0 0;flex-wrap:wrap}
.thumbs button{padding:0;border:2px solid transparent;background:none;cursor:pointer;border-radius:2px}
.thumbs button[aria-current]{border-color:var(--ink)}
.thumbs img{width:84px;height:56px;object-fit:cover}
.tag{display:inline-block;font-size:.85rem;font-weight:600;padding:3px 9px;border-radius:2px;margin-bottom:12px}
.tag-civil{background:var(--olive-soft);color:#2F3822}
.prod-body>p.tag-def,.tag-def{background:var(--ink);color:var(--hivis)}
.prod-body>p.tag-civil{color:#2F3822}
.prod h3{font-size:clamp(1.9rem,3vw,2.5rem)}
.prod-body>p{color:var(--slate)}
.specs{margin:0 0 24px}
.specs div{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);gap:16px;padding:8px 0;border-bottom:1px solid var(--line)}
.specs dt{color:var(--slate);font-size:.95rem}
.specs dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums}
.specs-key{border-top:2px solid var(--ink)}
.kit{margin:0 0 20px;padding-left:1.1em;columns:2;column-gap:24px;font-size:.98rem}
.kit li{break-inside:avoid;margin-bottom:4px}
.full{margin:0 0 24px}
.full summary{cursor:pointer;font-weight:650;padding:8px 0;list-style:none;display:flex;gap:8px;align-items:center}
.full summary::before{content:"+";display:inline-grid;place-items:center;width:22px;height:22px;border:1.5px solid var(--ink);border-radius:2px;font-weight:700}
.full[open] summary::before{content:"−"}
.full summary::-webkit-details-marker{display:none}
.specs-full div{font-size:.95rem}
@media (max-width:900px){.prod,.prod:nth-of-type(even){grid-template-columns:1fr;gap:24px}.prod:nth-of-type(even) .prod-media{order:0}.kit{columns:1}}

/* tests */
.tests{background:var(--paper-2);padding:88px 0}
.tests-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:24px}
.test{margin:0}
.test video{width:100%;aspect-ratio:16/9;background:var(--ink);object-fit:cover}
.test figcaption{padding-top:16px}
.test h3{font-size:1.4rem}
.test p{color:var(--slate)}
@media (max-width:820px){.tests-grid{grid-template-columns:1fr}}

/* about */
.about{padding-top:96px;padding-bottom:96px}
.about-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:56px;align-items:start}
.about-img{margin:0}
.about-img img{width:100%;aspect-ratio:4/3;object-fit:cover}
blockquote{margin:36px 0 0;padding:0 0 0 20px;border-left:4px solid var(--hivis)}
blockquote p{font-stretch:75%;font-variation-settings:"wdth" 75;font-weight:650;font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.15;margin-bottom:.4em}
blockquote footer{color:var(--slate)}
.about-grid2{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:56px;margin-top:72px}
.values{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:0 32px}
.values li{padding:12px 0;border-bottom:1px solid var(--line)}
.values h4{margin-bottom:.25em}
.values p{margin:0;font-size:.95rem;color:var(--slate)}
.lic{margin:0;border:1.5px solid var(--ink);padding:6px 18px}
.lic div{padding:10px 0;border-bottom:1px solid var(--line)}
.lic div:last-child{border-bottom:0}
.lic dt{font-size:.88rem;color:var(--slate)}
.lic dd{margin:2px 0 0;font-weight:600}
@media (max-width:900px){.about-grid,.about-grid2{grid-template-columns:1fr;gap:32px}.values{grid-template-columns:1fr}.about-img img{aspect-ratio:3/2}}

/* quote form */
.quote{background:var(--ink);color:var(--on-ink);padding:96px 0}
.quote-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:56px}
.quote-intro p{color:var(--on-ink-dim)}
.quote .direct a{color:var(--on-ink);font-weight:600}
.qform{display:grid;gap:16px}
.qform label{display:grid;gap:6px;font-weight:550;font-size:.95rem}
.qform .req{font-weight:400;color:var(--on-ink-dim);font-size:.85rem}
.qform input,.qform select,.qform textarea{font:inherit;color:var(--ink);background:#F7F9F8;border:1.5px solid #F7F9F8;border-radius:3px;padding:.65em .8em;width:100%}
.qform input:focus,.qform select:focus,.qform textarea:focus{outline:3px solid var(--hivis);outline-offset:1px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
fieldset{border:1px solid rgba(255,255,255,.25);border-radius:3px;padding:12px 16px;margin:0}
legend{padding:0 6px;font-weight:550;font-size:.95rem}
.chks{display:grid;grid-template-columns:1fr 1fr;gap:8px 16px}
.qform .chk{display:flex;align-items:center;gap:10px;font-weight:500}
.qform .chk input{width:20px;height:20px;accent-color:var(--hivis)}
.qform .btn{justify-self:start;margin-top:4px}
.quote .small{color:var(--on-ink-dim)}
.hp{position:absolute;left:-9999px}
@media (max-width:820px){.quote-grid{grid-template-columns:1fr;gap:28px}.row2,.chks{grid-template-columns:1fr}}

/* footer */
.foot{background:#141A1C;color:var(--on-ink-dim);padding:56px 0 24px;font-size:.95rem}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:40px}
.foot h2{font-size:1.1rem;color:var(--on-ink);margin-bottom:.6em}
.foot img{height:52px;width:auto;margin-bottom:14px}
.foot a{color:var(--on-ink)}
.foot .small{color:var(--on-ink-dim)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem}
@media (max-width:820px){.foot-grid{grid-template-columns:1fr}}

/* thanks page */
.thanks{padding:120px 24px;min-height:50vh}
blockquote footer{display:flex;align-items:center;gap:12px}
blockquote footer img{width:56px;height:56px;border-radius:50%;object-fit:cover;object-position:top}
.hero-img{object-position:center 40%}

.qform label>span.lbl{display:block}
#psh .prod-main{object-fit:contain;background:#fff}
.prod-body>p.tag-train{background:#D9D2BC;color:#3B3520}
.tests-grid{grid-template-columns:1fr}
.test{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:40px;align-items:end}
.test figcaption{padding-top:0}
@media (max-width:820px){.test{grid-template-columns:1fr;gap:16px}}