/* fliegerass.aero (Building Services PL) — shared subpage stylesheet (Design C: white / ink / signal orange) */
:root{
  --ink:#17181A;--gray:#5A5D63;--gray-soft:#9CA0A8;--line:#E8E9EC;--paper:#F6F7F8;
  --white:#FFFFFF;--orange:#FF4D00;--orange-deep:#E64500;--orange-wash:#FFF3ED;
  --line-inv:rgba(255,255,255,.16);
  --disp:"Archivo",system-ui,sans-serif;
  --mono:ui-monospace,"Cascadia Mono","Consolas",monospace;
  --body:system-ui,"Segoe UI",Roboto,sans-serif;
  --radius:4px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--body);color:var(--ink);background:var(--white);line-height:1.65;font-size:16.5px}
::selection{background:var(--orange);color:#fff}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--disp);line-height:1.08;text-wrap:balance;font-weight:800;letter-spacing:-.02em}
.wrap{max-width:900px;margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--orange);font-weight:600;display:flex;align-items:center;gap:12px;margin-bottom:18px}
.eyebrow::before{content:"";width:34px;height:3px;background:var(--orange);flex:none}
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--disp);font-weight:800;font-size:15.5px;padding:14px 26px;border-radius:var(--radius);text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .16s cubic-bezier(.22,1,.36,1),box-shadow .16s,background .16s,border-color .16s;position:relative;overflow:hidden;isolation:isolate}
.btn::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.25) 50%,transparent 60%);transform:translateX(-130%);z-index:-1;pointer-events:none}
.btn:hover::after{transform:translateX(130%);transition:transform .55s ease}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
.btn--orange{background:var(--orange);color:#fff}
.btn--orange:hover{background:var(--orange-deep);box-shadow:0 8px 22px rgba(255,77,0,.3)}
.btn--line{border-color:var(--line);color:var(--ink);background:var(--white)}
.btn--line:hover{border-color:var(--ink)}
.btn--ghost{border-color:var(--line-inv);color:#fff}
.btn--ghost:hover{border-color:#fff}
body{overflow-x:clip}
.stripe{height:10px;background:repeating-linear-gradient(-45deg,var(--orange) 0 16px,var(--ink) 16px 32px);animation:stripeSlide 3s linear infinite}
@keyframes stripeSlide{to{background-position:-45.25px 0}}
.stripe-wrap{position:relative;height:10px}
.stripe-wrap .stripe{position:absolute;inset:0}
.stripe-drone{position:absolute;bottom:5px;left:0;width:72px;height:34px;animation:stripeFly 26s linear infinite;pointer-events:none}
@keyframes stripeFly{0%{transform:translateX(-90px)}100%{transform:translateX(calc(100vw + 30px))}}
.stripe-drone svg{animation:stripeBob 2.1s ease-in-out infinite}
@keyframes stripeBob{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
@keyframes rotFlick{0%,100%{opacity:.35}50%{opacity:.95}}
.stripe-drone .rot{animation:rotFlick .22s linear infinite}
.stripe-drone .r2{animation-delay:.11s}
@keyframes sprFall{0%{opacity:.9;transform:translate(0,0)}100%{opacity:0;transform:translate(3px,7px)}}
.stripe-drone .spr{animation:sprFall .8s linear infinite}
.stripe-drone .s2{animation-delay:.27s}
.stripe-drone .s3{animation-delay:.54s}
@keyframes ledBlink{0%,49%{opacity:1}50%,100%{opacity:.25}}
.stripe-drone .led{animation:ledBlink 1.2s steps(1) infinite}
@media (prefers-reduced-motion: reduce){
  .stripe,.stripe-drone,.stripe-drone svg,.stripe-drone .rot,.stripe-drone .spr,.stripe-drone .led{animation:none}
  .stripe-drone{display:none}
}

/* topbar + nav */
.topbar{background:var(--ink);color:rgba(255,255,255,.72);font-family:var(--mono);font-size:11.5px;letter-spacing:.08em}
.topbar-in{max-width:1160px;margin:0 auto;padding:8px 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.topbar b{color:var(--orange);font-weight:600}
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:22px;height:64px;max-width:1160px;margin:0 auto;padding:0 24px}
.brand{text-decoration:none;color:var(--ink);margin-right:auto;font-family:var(--disp);font-weight:800;font-size:18px;letter-spacing:-.01em}
.brand i{font-style:normal;color:var(--orange)}
.nav a.nl{color:var(--gray);text-decoration:none;font-size:14.5px;font-weight:500}
.nav a.nl:hover{color:var(--ink)}
.nav-cta{background:var(--orange);padding:9px 16px;border-radius:var(--radius);color:#fff;font-weight:800;font-family:var(--disp);text-decoration:none;font-size:14px}
.nav-cta:hover{background:var(--orange-deep)}
@media (max-width:700px){.nav a.nl{display:none}}

/* page hero */
.phero{background:var(--paper);border-bottom:1px solid var(--line);padding:64px 0 56px}
.phero h1{font-size:clamp(30px,4.6vw,46px);margin-bottom:16px;max-width:22ch}
.phero .lead{font-size:17.5px;color:var(--gray);max-width:58ch;margin-bottom:28px}
.phero .ctas{display:flex;gap:12px;flex-wrap:wrap}
.crumbs{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;color:var(--gray-soft);margin-bottom:22px;text-transform:uppercase}
.crumbs a{color:var(--gray-soft);text-decoration:none}
.crumbs a:hover{color:var(--orange)}

/* prose */
.prose{padding:56px 0 20px}
.prose h2{font-size:clamp(23px,3vw,30px);margin:44px 0 12px;padding-top:20px;border-top:3px solid var(--ink)}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18.5px;margin:26px 0 8px}
.prose p{margin:12px 0;max-width:70ch;color:#2A2C30}
.prose ul,.prose ol{margin:12px 0 12px 24px;max-width:68ch}
.prose li{margin:7px 0}
.prose li::marker{color:var(--orange);font-weight:700}
.prose strong{font-weight:700}
.prose a{color:var(--orange);font-weight:600;text-decoration:none}
.prose a:hover{text-decoration:underline}
/* Buttons im Fliesstext: .prose a / .prose p duerfen Komponenten NICHT umfaerben */
.prose a.btn--orange,.prose a.btn--orange:hover{color:#fff;text-decoration:none}
.prose a.btn--ink,.prose a.btn--ink:hover{color:#fff;text-decoration:none}
.prose a.btn--line,.prose a.btn--line:hover{color:var(--ink);text-decoration:none}
.prose a.btn--ghost,.prose a.btn--ghost:hover{color:#fff;text-decoration:none}
.callout{background:var(--orange-wash);border:1px solid var(--orange);border-left:5px solid var(--orange);border-radius:var(--radius);padding:16px 20px;margin:20px 0;max-width:none}
.tscroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);margin:18px 0}
table{border-collapse:collapse;width:100%;min-width:540px;font-size:14.5px;background:var(--white)}
th,td{text-align:left;padding:12px 15px;border-bottom:1px solid var(--line);vertical-align:top}
tbody tr{transition:background .15s}
tbody tr:hover{background:var(--paper)}
thead th{background:var(--paper);font-weight:800;font-size:13.5px}
tbody tr:last-child td{border-bottom:none}
td.hl,th.hl{background:var(--orange-wash);font-weight:600}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap}

/* media grading: Entsättigung + Kontrast + Tinte-Overlay — zieht alle Bilder in die Markenwelt */
.grade{position:relative;display:block;overflow:hidden}
.grade::after{content:"";position:absolute;inset:0;background:var(--ink);opacity:.10;mix-blend-mode:multiply;pointer-events:none}
.grade img,.grade video{display:block;width:100%;filter:saturate(.82) contrast(1.06)}

/* floated media figure: text wraps around, caption explains */
.mfig{float:right;width:46%;margin:6px 0 18px 28px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
.mfig img{display:block;width:100%;transition:transform .5s cubic-bezier(.22,1,.36,1)}
.mfig:hover img{transform:scale(1.025)}
.mfig figcaption{font-size:12.5px;color:var(--gray);padding:9px 13px;border-top:1px solid var(--line);line-height:1.5}
.prose h2{clear:both}
@media (max-width:700px){.mfig{float:none;width:100%;margin:16px 0}}

/* Beispiel-Report: IR/RGB-Paare + Karten-Figur */
.pair-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0}
.pfig{margin:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
.pfig img{display:block;width:100%}
.pfig{max-width:100%}
.pfig figcaption{font-family:var(--mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--gray);padding:8px 12px;border-top:1px solid var(--line);line-height:1.6;white-space:normal;overflow-wrap:anywhere;max-width:none}
.pfig--wide{margin:12px 0 20px}
@media (max-width:700px){.pair-grid{grid-template-columns:1fr}}

/* fact chips */
.chips{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}
.chip{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:12px 18px;font-size:13px;color:var(--gray);transition:transform .2s cubic-bezier(.22,1,.36,1),border-color .2s,box-shadow .2s}
.chip:hover{transform:translateY(-3px);border-color:var(--ink);box-shadow:0 10px 26px rgba(23,24,26,.09)}
.chip b{display:block;font-family:var(--mono);font-size:19px;font-weight:700;color:var(--ink)}

/* FAQ */
.faq{max-width:760px;padding-bottom:20px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 4px;font-family:var(--disp);font-weight:800;font-size:17px}
.faq summary::-webkit-details-marker{display:none}
.faq summary{transition:color .15s}
.faq summary:hover{color:var(--orange)}
.faq details[open] .fa-body{animation:faqIn .35s cubic-bezier(.22,1,.36,1)}
@keyframes faqIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.faq summary::after{content:"+";font-family:var(--mono);font-size:21px;color:var(--orange);flex:none;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .fa-body{padding:0 4px 22px;color:var(--gray);font-size:15.5px;max-width:66ch}

/* CTA band */
.cta-band{background:var(--ink);color:#fff;border-radius:var(--radius);padding:40px 42px;margin:56px 0;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,3vw,29px);max-width:24ch}
.cta-band p{color:rgba(255,255,255,.68);font-size:14.5px;margin-top:8px;max-width:48ch}
.cta-band .ctas{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:700px){.cta-band{padding:28px 24px}}

/* footer */
.footer{background:var(--ink);color:rgba(255,255,255,.6);padding:44px 0 36px;font-size:14px;margin-top:40px}
.foot-in{max-width:1160px;margin:0 auto;padding:0 24px;display:flex;flex-wrap:wrap;gap:20px 48px;justify-content:space-between;align-items:flex-start}
.fb-name{color:#fff;font-family:var(--disp);font-weight:800;font-size:19px;text-decoration:none}
.fb-name i{font-style:normal;color:var(--orange)}
.foot-links{list-style:none;display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{color:rgba(255,255,255,.7);text-decoration:none}
.foot-links a:hover{color:var(--orange)}
.foot-legal{width:100%;border-top:1px solid var(--line-inv);margin-top:28px;padding-top:18px;font-family:var(--mono);font-size:11px;letter-spacing:.06em;color:rgba(255,255,255,.4)}