/* www.eptl.de – Gestaltung
   Nachtblau wie collmann-online.de, Akzente in den Farben der Seezeichen: Backbord-Rot und Steuerbord-Grün.
   Schriften: Cormorant Garamond (Überschriften), Source Sans 3 (Text), JetBrains Mono (Kennungen, Beschriftungen). */
@font-face{font-family:"Cormorant Garamond";font-style:italic;font-weight:300;font-display:swap;src:url("../fonts/CormorantGaramond-300-italic.woff2") format("woff2")}
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:300;font-display:swap;src:url("../fonts/CormorantGaramond-300-normal.woff2") format("woff2")}
@font-face{font-family:"Cormorant Garamond";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/CormorantGaramond-400-normal.woff2") format("woff2")}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:400;font-display:swap;src:url("../fonts/SourceSans3-400-normal.woff2") format("woff2")}
@font-face{font-family:"Source Sans 3";font-style:normal;font-weight:600;font-display:swap;src:url("../fonts/SourceSans3-600-normal.woff2") format("woff2")}

:root{
  --ground:#050A10; --panel:#0B1420; --panel-2:#101C2B; --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.16);
  --ink:#F2F4F6; --muted:#C9D3DD; --dim:#8E9BAD;
  --port:#E8453C; --port-soft:rgba(232,69,60,.18); --stb:#3DBE6A; --stb-soft:rgba(61,190,106,.18); --warm:#FFB27A; --sea:#5AAEFF;
  --serif:"Cormorant Garamond",Georgia,"Times New Roman",serif;
  --sans:"Source Sans 3","Segoe UI",system-ui,sans-serif;
  --mono:"JetBrains Mono",Consolas,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);font-size:18px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--warm);text-decoration:none}
a:hover{color:#fff}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.01em;margin:0;text-wrap:balance}
p{margin:0 0 14px}
.wrap{max-width:1140px;margin:0 auto;padding:0 64px}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--warm)}
.eyebrow.port{color:var(--port)} .eyebrow.stb{color:var(--stb)}

/* Kopf */
.top{position:absolute;left:0;right:0;top:0;z-index:5;padding:32px 64px;display:flex;justify-content:space-between;align-items:baseline;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.top .brand{color:#fff;font-family:var(--mono);font-size:14px;letter-spacing:.12em;text-shadow:0 1px 3px rgba(0,0,0,.9),0 0 18px rgba(0,0,0,.6)}
.top .brand small{display:block;font-family:var(--sans);font-size:10px;letter-spacing:.14em;color:var(--muted);margin-top:4px}
.top nav{display:flex;flex-wrap:wrap;gap:22px}
.top nav a{color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.9),0 0 18px rgba(0,0,0,.6)}
.top nav a:hover{color:var(--warm)}
body.hilfe .top{position:static;padding:28px 64px;border-bottom:1px solid var(--line)}

/* Hero mit Video */
.hero{position:relative;height:min(56.25vw,100vh);min-height:0;overflow:hidden;background:var(--ground)}
.hero video,.hero .poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:50% 50%;background:transparent}
.hero video.bg{object-fit:cover;filter:blur(28px) brightness(.5) saturate(1.1);transform:scale(1.12)}
.hero .shade{position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(5,10,16,.8) 0%,rgba(5,10,16,.35) 110px,rgba(5,10,16,0) 200px),linear-gradient(90deg,rgba(5,10,16,.85) 0%,rgba(5,10,16,.45) 45%,rgba(5,10,16,.05) 75%),linear-gradient(0deg,rgba(5,10,16,.85) 0%,rgba(5,10,16,0) 40%)}
.hero .copy{position:absolute;left:64px;bottom:72px;width:min(680px,84vw);display:flex;flex-direction:column;gap:22px;z-index:3}
.hero h1{font-weight:300;font-size:clamp(46px,6.4vw,86px);line-height:.98}
.hero h1 em{font-style:italic}
.hero .lead{font-size:20px;color:var(--muted);max-width:50ch;margin:0}
.cta{display:inline-flex;align-items:center;gap:16px;margin-top:6px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink)}
.cta i{display:block;width:48px;height:1px;background:var(--warm);transition:width .35s}
.cta:hover i{width:72px}
.reveal{opacity:0;transform:translateY(14px);animation:up 1.1s cubic-bezier(.2,.7,.2,1) forwards}
.reveal:nth-child(1){animation-delay:.3s}.reveal:nth-child(2){animation-delay:.6s}.reveal:nth-child(3){animation-delay:1s}.reveal:nth-child(4){animation-delay:1.4s}
@keyframes up{to{opacity:1;transform:none}}
.videohint{position:absolute;right:64px;bottom:40px;z-index:3;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:rgba(201,211,221,.6);display:none}
.hero.placeholder .videohint{display:block}
.hero.placeholder .videohint b{color:var(--warm);font-weight:400}

/* Abschnitte */
section.block{padding:100px 0;border-top:1px solid var(--line)}
section.block h2{font-size:clamp(32px,3.6vw,46px);margin:10px 0 12px}
section.block .intro{color:var(--muted);max-width:64ch;font-size:19px;margin-bottom:48px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}
.facts b{display:block;font-family:var(--serif);font-size:56px;font-weight:300;line-height:1;color:var(--ink)}
.facts span{display:block;margin-top:8px;color:var(--muted);max-width:28ch}

/* Kreislauf: Text + Bordbildschirm */
.loop{display:grid;grid-template-columns:1fr;gap:80px}
.step{display:grid;grid-template-columns:360px 1fr;gap:56px;align-items:center}
.step:nth-child(even){grid-template-columns:1fr 360px}
.step:nth-child(even) .txt{order:2}
.step .n{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--dim);margin-bottom:14px}
.step h3{font-size:32px;margin-bottom:10px}
.step p{color:var(--muted)}
.screen{position:relative;border:1px solid var(--line-2);background:#0A1220;padding:10px;box-shadow:0 40px 80px rgba(0,0,0,.45)}
.screen::before{content:"";position:absolute;left:10px;right:10px;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent)}
.screen img{display:block;width:100%;height:auto}
.screen figcaption{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--dim);padding:10px 4px 2px;text-transform:uppercase}
.io{opacity:0;transform:translateY(24px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
.io.on{opacity:1;transform:none}

/* Karte */
.karte{position:relative;border:1px solid var(--line-2);background:#071019;height:620px;overflow:hidden}
.karte canvas{display:block;width:100%;height:100%}
.karte .legend{position:absolute;left:20px;top:18px;display:flex;flex-direction:column;gap:6px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--dim);pointer-events:none}
.karte .legend i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:8px;vertical-align:1px}
.karte .log{position:absolute;right:20px;top:18px;width:300px;background:rgba(7,16,25,.85);border:1px solid var(--line-2);padding:14px 16px;font-family:var(--mono);font-size:12px;line-height:1.7;color:var(--muted);pointer-events:none;backdrop-filter:blur(6px)}
.karte .log .k{color:var(--warm);letter-spacing:.14em;text-transform:uppercase;font-size:10px;margin-bottom:6px}
.karte .log div.e{opacity:0;animation:login .5s forwards}
.karte .log div.e b{color:var(--stb);font-weight:400}
@keyframes login{to{opacity:1}}
.karte .card{position:absolute;z-index:3;width:280px;background:rgba(7,16,25,.92);border:1px solid var(--line-2);border-top:2px solid var(--warm);padding:14px 16px;font-size:15px;line-height:1.5;pointer-events:none;opacity:0;transition:opacity .2s}
.karte .card.on{opacity:1}
.karte .card h4{font-family:var(--mono);font-size:13px;letter-spacing:.08em;margin:0 0 6px;color:var(--ink)}
.karte .card small{display:block;color:var(--dim);font-family:var(--mono);font-size:11px;letter-spacing:.08em;margin-top:8px}
.karte .card .due{color:var(--warm)}
.karte .hint{position:absolute;left:20px;bottom:16px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:rgba(201,211,221,.5);pointer-events:none}

/* Rollen */
.roles{display:grid;grid-template-columns:repeat(3,1fr);gap:48px}
.roles h3{font-size:30px;margin-bottom:8px}
.roles p{color:var(--muted);max-width:34ch}
.roles .r{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;margin-bottom:14px}
.tech{margin-top:64px;padding-top:32px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);gap:28px;font-size:15px;color:var(--muted)}
.tech b{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);font-weight:400;margin-bottom:6px}

/* Zeitleiste */
.timeline{position:relative;margin-top:24px}
.timeline .rail{position:absolute;left:11px;top:0;bottom:0;width:2px;background:var(--line)}
.timeline .rail i{position:absolute;left:0;top:0;width:2px;height:0;background:linear-gradient(180deg,var(--warm),var(--port));transition:height 1.6s cubic-bezier(.2,.7,.2,1)}
.timeline.on .rail i{height:100%}
.tl{position:relative;padding:0 0 40px 56px}
.tl::before{content:"";position:absolute;left:5px;top:10px;width:14px;height:14px;border-radius:50%;background:var(--ground);border:2px solid var(--dim);transition:border-color .4s,box-shadow .4s}
.tl.on::before{border-color:var(--warm);box-shadow:0 0 0 6px rgba(255,178,122,.15)}
.tl .y{font-family:var(--serif);font-size:44px;font-weight:300;line-height:1;color:var(--ink)}
.tl h3{font-size:24px;margin:8px 0 6px}
.tl p{color:var(--muted);max-width:60ch;margin:0}

/* Handbuch-Teaser */
.hb{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.hb ol{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.hb li a{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);color:var(--ink);align-items:baseline}
.hb li a:hover{color:var(--warm)}
.hb li .n{font-family:var(--mono);font-size:12px;color:var(--dim)}

/* Kontakt */
.contact{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.contact .big{font-family:var(--serif);font-size:clamp(28px,3vw,40px);line-height:1.15}
.contact .big a{color:var(--ink)}
.contact .big a:hover{color:var(--warm)}
.contact address{font-style:normal;color:var(--muted);line-height:1.7}
form .field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
form label{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim)}
form label .opt{font-family:var(--sans);text-transform:none;letter-spacing:0}
form input,form textarea{font:inherit;color:var(--ink);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);padding:12px 14px;border-radius:0;width:100%}
form input:focus,form textarea:focus{outline:none;border-color:var(--warm)}
form textarea{resize:vertical;min-height:140px}
form .hp{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
form .dsg{font-size:14px;color:var(--dim);margin:6px 0 16px}
form button{font:inherit;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#1A0B00;background:var(--warm);border:0;padding:14px 22px;cursor:pointer}
form button:hover{background:#fff}
form button:disabled{opacity:.6;cursor:wait}
.formstatus{margin-top:14px;font-size:15px;min-height:1.4em}
.formstatus.ok{color:var(--stb)} .formstatus.fehler{color:var(--warm)}

footer{border-top:1px solid var(--line);padding:36px 0 60px;font-size:13px;letter-spacing:.06em;color:var(--dim);display:flex;justify-content:space-between;gap:24px}
footer a{color:var(--dim)} footer a:hover{color:var(--warm)}

/* Unterseiten (Impressum, Datenschutz) */
.page{padding-top:150px;padding-bottom:100px;max-width:760px}
.page h1{font-size:clamp(36px,4vw,52px);margin-bottom:28px;font-weight:300}
.page h2{font-size:26px;margin:38px 0 10px}
.page p,.page li{color:var(--muted)}
.page ul{padding-left:20px}
.page .back{display:inline-block;margin-bottom:40px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.todo{border-left:2px solid var(--port);padding:10px 16px;color:var(--warm);font-size:15px;margin:18px 0}

/* Programmierer-Seite */
.page.wide{max-width:1140px}
.person{display:grid;grid-template-columns:320px 1fr;gap:64px;align-items:start;margin:32px 0 80px}
.person .portrait{margin:0;aspect-ratio:4/5;border:1px solid var(--line-2);background:var(--panel);overflow:hidden}
.person .portrait img{display:block;width:100%;height:100%;object-fit:cover;object-position:50% 20%}
.person .intro{font-size:20px;color:var(--ink);max-width:56ch;margin-bottom:16px}
.person p{color:var(--muted);max-width:60ch}
.facts.small{margin-top:28px;padding-top:22px;border-top:1px solid var(--line);gap:28px}
.facts.small b{font-size:36px}
.story h2{font-size:clamp(26px,3vw,36px);margin:44px 0 12px}
.story p{color:var(--muted);max-width:68ch}
.lessons{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:24px}
.lessons h3{font-size:24px;margin-bottom:8px}
.lessons p{color:var(--muted)}
.pagecta{padding:56px 0 20px}
@media (max-width:1100px){
  body:not(.hilfe) .top{position:static;padding:28px 64px}
  .hero{height:auto;display:flex;flex-direction:column}
  .hero video,.hero .poster{position:relative;inset:auto;width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}
  .hero video.bg{display:none}
  .hero .shade{display:none}
  .hero .copy{position:static;width:auto;gap:16px;padding:32px 64px 48px}
  .hero .lead{font-size:18px;max-width:52ch}
  .hero h1{font-size:clamp(40px,6vw,64px)}
  .videohint{position:static;padding:0 64px 24px}
  .page{padding-top:40px}
}
@media (max-width:960px){
  .top{padding:24px 28px}
  .hero .copy{padding:28px 28px 40px}
  .videohint{display:none!important}.person{grid-template-columns:1fr;gap:28px}.person .portrait{max-width:280px}.lessons{grid-template-columns:1fr;gap:28px}}

/* Handbuch-Bereich */
.hilfe-layout{display:grid;grid-template-columns:300px 1fr;gap:64px;padding-top:40px;padding-bottom:100px;max-width:1240px}
.hilfe-nav{position:sticky;top:24px;align-self:start;max-height:calc(100vh - 48px);overflow:auto;padding-right:8px}
.hilfe-nav input{width:100%;font:inherit;font-size:15px;color:var(--ink);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);padding:10px 12px;margin:14px 0 18px}
.hilfe-nav input:focus{outline:none;border-color:var(--warm)}
.hilfe-nav ol{list-style:none;margin:0;padding:0;counter-reset:k}
.hilfe-nav li{counter-increment:k;border-bottom:1px solid var(--line)}
.hilfe-nav li a{display:grid;grid-template-columns:28px 1fr;gap:8px;padding:9px 0;font-size:14px;color:var(--muted);line-height:1.35}
.hilfe-nav li a::before{content:counter(k,decimal-leading-zero);font-family:var(--mono);font-size:11px;color:var(--dim);padding-top:3px}
.hilfe-nav li a:hover,.hilfe-nav li.aktiv a{color:var(--warm)}
.hilfe-nav li.treffer a{color:var(--ink)} .hilfe-nav li.kein{display:none}
.hilfe-text h1{font-size:clamp(32px,3.6vw,46px);font-weight:300;margin:10px 0 24px}
.hilfe-text h2{font-size:26px;margin:40px 0 10px}
.hilfe-text p{color:var(--muted);max-width:68ch}
.hilfe-text .intro{font-size:19px}
.hilfe-text figure{margin:22px 0 30px;border:1px solid var(--line-2);background:#0A1220;padding:8px;max-width:860px}
.hilfe-text figure img{display:block;width:100%;height:auto}
.hilfe-uebersicht{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);max-width:760px}
.hilfe-uebersicht li a{display:grid;grid-template-columns:44px 1fr auto;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);color:var(--ink);align-items:baseline}
.hilfe-uebersicht li a:hover{color:var(--warm)}
.hilfe-uebersicht .n{font-family:var(--mono);font-size:12px;color:var(--dim)}
.hilfe-uebersicht small{font-family:var(--mono);font-size:11px;color:var(--dim);letter-spacing:.08em}
.hilfe-weiter{display:flex;justify-content:space-between;gap:24px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line);font-size:15px}
mark{background:rgba(255,178,122,.3);color:inherit}

@media (max-width:960px){
  .wrap{padding:0 28px}
  .top,body.hilfe .top{padding:24px 28px;flex-direction:column;gap:12px}
  .videohint{display:none!important}
  section.block{padding:64px 0}
  .facts,.roles,.tech{grid-template-columns:1fr;gap:28px}
  .step,.step:nth-child(even){grid-template-columns:1fr;gap:24px}
  .step:nth-child(even) .txt{order:0}
  .karte{height:520px}
  .karte .log{display:none}
  .hb,.contact{grid-template-columns:1fr;gap:32px}
  .page{padding-top:40px}
  .hilfe-layout{grid-template-columns:1fr;gap:32px}
  .hilfe-nav{position:static;max-height:none}
  footer{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){.reveal{animation:none;opacity:1;transform:none}.io{opacity:1;transform:none;transition:none}.timeline .rail i{transition:none}}