/* AirZoneAlert – Erscheinungsbild angelehnt an Swiss Sky Aviation / Swiss Quality Assurance */
@font-face{font-family:"Oswald";src:url(/assets/fonts/oswald-latin.woff2) format("woff2");font-weight:200 700;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url(/assets/fonts/sourcesans3-latin.woff2) format("woff2");font-weight:200 900;font-style:normal;font-display:swap}
@font-face{font-family:"Source Sans 3";src:url(/assets/fonts/sourcesans3-italic-latin.woff2) format("woff2");font-weight:200 900;font-style:italic;font-display:swap}

:root{
  --ink:#191e23; --mute:#55544f; --line:#dcdad5; --paper:#f3f1ee; --bar:#dcdcd8;
  --dark:#2a2e33; --dark2:#22262a; --light:#eceae6; --light-mute:#b9b7b2;
  --red:#d7000e; --red2:#b3000b; --coral:#ff5a52;
  --sand:#f2eae7; --clay:#e5cec0; --stone:#dadad7;
  --ok:#2f6b3f; --sky:#2f6b3f;
  --accent:var(--red); --accent2:var(--red2); --navy:var(--dark); --navy2:var(--dark2); --bg:var(--paper);
  --radius:0px;
  --font:"Source Sans 3","Source Sans Pro",-apple-system,"Segoe UI",Arial,sans-serif;
  --head:"Oswald","Arial Narrow","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:17px/1.6 var(--font);color:var(--ink);background:var(--paper)}
a{color:inherit}
h1,h2,h3{font-family:var(--head);font-weight:500;letter-spacing:.01em}
.wrap{max-width:1140px;margin:0 auto;padding:0 24px}

/* Ecke als Erkennungszeichen (wie SSA/SQA) */
.corner{position:relative}
.corner::before{content:"";position:absolute;top:0;left:0;width:32px;height:32px;border-top:4px solid var(--red);border-left:4px solid var(--red);pointer-events:none}
.on-dark .corner::before,.corner.coral::before{border-color:var(--coral)}

/* Knoepfe */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:0;padding:13px 24px;font:400 17px var(--head);letter-spacing:.03em;cursor:pointer;text-decoration:none;transition:background .15s,color .15s,border-color .15s}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red2)}
.btn-ghost{background:transparent;color:var(--light);border:1.5px solid var(--light-mute)}
.btn-ghost:hover{border-color:#fff;color:#fff}

/* Kopfzeile */
.top{position:sticky;top:0;z-index:20;background:var(--bar);border-bottom:1px solid #cfcdc8}
.top .wrap{display:flex;align-items:center;height:72px;gap:28px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none}
.brand img{width:44px;height:44px}
.brand span{font:500 15px/1.15 var(--head);letter-spacing:.06em;text-transform:uppercase}
.brand span b{display:block;font-weight:500;color:var(--ink)}
.brand span i{font-style:normal;color:var(--red)}
.nav{display:flex;gap:26px;margin-left:auto}
.nav a{color:var(--ink);text-decoration:none;font:400 16px var(--head);letter-spacing:.06em;text-transform:uppercase;padding:4px 0;border-bottom:2px solid transparent}
.nav a:hover{border-color:var(--red)}
.top .btn{padding:10px 20px;font-size:16px}

/* Hero */
.hero{background:var(--dark);color:var(--light);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding-top:76px;padding-bottom:92px}
.hero .txt{padding:40px 0 0 48px}
.eyebrow{display:inline-block;font:500 14px var(--head);letter-spacing:.14em;text-transform:uppercase;color:var(--red)}
.hero .eyebrow{color:var(--coral)}
.hero h1{font-size:clamp(40px,5.4vw,72px);line-height:1.02;margin:14px 0 22px;text-transform:uppercase;font-weight:500;color:var(--light)}
.hero h1 em{font-style:normal;color:var(--coral)}
.hero p.sub{font:400 clamp(20px,2vw,26px)/1.35 var(--head);margin:0 0 16px;color:var(--light)}
.hero p.lead{font-size:17px;color:var(--light-mute);max-width:540px;margin:0 0 32px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .note{margin-top:20px;font-size:14px;color:#8d8b86}
.radar{width:100%;max-width:440px;justify-self:center;aspect-ratio:1}
.radar .sweep{transform-origin:200px 200px;animation:sweep 6s linear infinite}
@keyframes sweep{to{transform:rotate(360deg)}}
.radar .blip{animation:blink 2.4s ease-in-out infinite}
.radar .blip.b2{animation-delay:.8s}.radar .blip.b3{animation-delay:1.6s}
.radar .zone{animation:zone 1.2s steps(1) infinite}
@keyframes blink{0%,100%{opacity:.35}50%{opacity:1}}
@keyframes zone{50%{fill-opacity:.05;stroke-opacity:.5}}
@media (prefers-reduced-motion:reduce){.radar .sweep,.radar .blip,.radar .zone{animation:none}}

/* Kennzahlen-Leiste */
.facts{background:var(--dark2);color:var(--light)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr)}
.facts div.f{padding:26px 22px;border-left:1px solid #3a3f45}
.facts div.f:first-child{border-left:0;padding-left:0}
.facts b{display:block;font:500 22px var(--head);letter-spacing:.02em;white-space:nowrap}
.facts span{font-size:14px;color:var(--light-mute)}

/* Abschnitte */
section{padding:90px 0;scroll-margin-top:72px}
section.alt{background:#fff}
section.dark{background:var(--dark);color:var(--light)}
.sec-head{max-width:760px;margin-bottom:46px;padding:34px 0 0 48px}
.sec-head h2{font-size:clamp(28px,3.2vw,42px);line-height:1.12;margin:8px 0 12px}
.sec-head p{color:var(--mute);font-size:18px;margin:0}
section.dark .sec-head p{color:var(--light-mute)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--sand);padding:44px 28px 28px}
.card .ic{width:40px;height:40px;display:grid;place-items:center;color:var(--red);margin-bottom:12px}
.card .ic svg{width:30px;height:30px}
.card h3{margin:0 0 8px;font-size:22px;line-height:1.2}
.card p{margin:0;color:var(--mute);font-size:16px}
.card.clay{background:var(--clay)}.card.stone{background:var(--stone)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{padding:30px 28px;background:#fff;border-top:4px solid var(--red)}
.step .n{font:500 44px/1 var(--head);color:var(--red)}
.step h3{margin:10px 0 8px;font-size:22px}.step p{margin:0;color:var(--mute);font-size:16px}
.uses{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.use{padding:44px 28px 28px;background:var(--dark2);color:var(--light)}
.use h3{margin:0 0 8px;font-size:22px}.use p{margin:0;color:var(--light-mute);font-size:16px}
.fine{font-size:14px;color:var(--mute);margin-top:26px;max-width:860px}
section.dark .fine{color:#8d8b86}

/* Demo-Ansicht */
.demo{margin:0 0 30px}
.demo .frame{overflow:hidden;box-shadow:0 26px 60px rgba(25,30,35,.28);border:1px solid #c9c7c2;background:var(--dark)}
.demo .bar{display:flex;align-items:center;gap:7px;height:34px;padding:0 14px;background:#e4e2de}
.demo .bar span{width:11px;height:11px;border-radius:50%;background:#bdbab4}
.demo .bar em{margin-left:12px;font:13px var(--font);font-style:normal;color:var(--mute);background:#f6f5f2;padding:2px 12px}
.demo video,.demo img{display:block;width:100%;height:auto;aspect-ratio:16/9;background:var(--dark)}
.demo figcaption{font-size:14px;color:var(--mute);margin-top:10px;text-align:center}

/* Fusszeile */
footer{background:var(--dark);color:var(--light-mute);font-size:15px;padding:40px 0}
footer .wrap{display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between;align-items:center}
footer a{color:var(--light);text-decoration:none;margin-left:20px}
footer a:hover{color:var(--coral)}
footer .by b{color:var(--light);font-weight:600}

/* Login-Fenster */
.modal{position:fixed;inset:0;z-index:50;display:none;align-items:center;justify-content:center;background:rgba(25,30,35,.7);padding:16px}
.modal.open{display:flex}
.dialog{width:100%;max-width:410px;background:var(--paper);padding:46px 34px 28px;box-shadow:0 24px 60px rgba(0,0,0,.4);position:relative}
.dialog::before{content:"";position:absolute;top:0;left:0;width:32px;height:32px;border-top:4px solid var(--red);border-left:4px solid var(--red)}
.dialog h2{margin:0 0 4px;font-size:30px;text-transform:uppercase}
.dialog .sub{margin:0 0 20px;color:var(--mute);font-size:15px}
.dialog label{display:block;font:500 13px var(--head);letter-spacing:.08em;text-transform:uppercase;margin:16px 0 6px;color:var(--ink)}
.dialog input[type=email],.dialog input[type=password]{width:100%;font:17px var(--font);padding:12px 13px;border:1px solid #bdbab4;border-radius:0;background:#fff;outline:none}
.dialog input:focus{border-color:var(--ink);box-shadow:0 0 0 2px rgba(25,30,35,.12)}
.dialog .row{display:flex;align-items:center;justify-content:space-between;margin:16px 0 20px;font-size:15px;color:var(--mute)}
.dialog .row label{display:flex;align-items:center;gap:8px;margin:0;font:400 15px var(--font);letter-spacing:0;text-transform:none;color:var(--mute)}
.dialog .btn{width:100%;padding:14px}
.dialog .err{display:none;background:#f9e1df;color:#8c0009;padding:10px 12px;font-size:15px;margin-top:14px;border-left:4px solid var(--red)}
.dialog .err.show{display:block}
.dialog .help{margin:18px 0 0;font-size:14px;color:var(--mute);text-align:center}
.dialog .x{position:absolute;top:12px;right:12px;width:36px;height:36px;border:0;background:none;cursor:pointer;color:var(--mute);font-size:24px;line-height:1}
.dialog .x:hover{color:var(--ink)}

/* Textseiten */
.page{max-width:800px;margin:0 auto;padding:60px 24px 84px}
.page h1{font-size:40px;margin:0 0 20px;text-transform:uppercase}.page h2{font-size:22px;margin:34px 0 8px}
.page p,.page li{color:#3c3b37}

@media (max-width:960px){
  .hero .wrap{grid-template-columns:1fr;padding-top:48px;padding-bottom:56px}
  .hero .txt{padding:36px 0 0 28px}
  .radar{max-width:320px}
  .grid3,.steps,.uses{grid-template-columns:1fr}
  .facts .wrap{grid-template-columns:1fr 1fr}.facts div.f{border-left:0;padding-left:0}
  .nav{display:none}
  .top .wrap{gap:12px;height:64px}.top .btn{margin-left:auto}
  .brand img{width:38px;height:38px}
  section{padding:62px 0}
  .sec-head{padding-left:28px}
}