:root{
  --nacht:#000541;
  --wald:#005410;
  --kupfer:#A0541B;
  --silber:#C0C4CC;
  --violett:#6A00A3;
  --gold:#CEB14D;
  --cyan:#00FFFF;
  --void:#050505;
  --white:#F5F7FA;
  --muted:rgba(192,196,204,.72);
  --line:rgba(192,196,204,.18);
  --card:rgba(0,84,16,.16);
  --card2:rgba(160,84,27,.13);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  background:
    radial-gradient(circle at 20% 10%, rgba(160,84,27,.22), transparent 28rem),
    radial-gradient(circle at 85% 15%, rgba(0,84,16,.25), transparent 30rem),
    radial-gradient(circle at 50% 90%, rgba(106,0,163,.18), transparent 32rem),
    var(--nacht);
  color:var(--silber);
  line-height:1.58;
  min-height:100vh;
}
body.osai-mode{
  background:
    radial-gradient(circle at 50% 18%, rgba(0,255,255,.24), transparent 18rem),
    radial-gradient(circle at 20% 12%, rgba(160,84,27,.26), transparent 28rem),
    radial-gradient(circle at 88% 20%, rgba(0,84,16,.32), transparent 30rem),
    var(--nacht);
}
a{color:var(--gold);text-decoration:none}
a:hover{color:var(--white)}
.topbar{
  position:sticky;top:0;z-index:20;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.85rem clamp(1rem,3vw,2rem);
  border-bottom:1px solid var(--line);
  background:rgba(0,5,65,.72);
  backdrop-filter:blur(16px);
}
.brand{
  display:flex;align-items:center;gap:.75rem;
  letter-spacing:.04em;font-weight:800;color:var(--white)
}
.brand-mark{
  width:34px;height:34px;border:1px solid var(--kupfer);border-radius:999px;
  display:grid;place-items:center;color:var(--kupfer);box-shadow:0 0 28px rgba(160,84,27,.28)
}
.nav{display:flex;gap:.85rem;flex-wrap:wrap;justify-content:flex-end}
.nav a,.mode-btn{
  font:inherit;
  font-size:.9rem;
  color:var(--silber);
  border:1px solid var(--line);
  padding:.45rem .7rem;
  border-radius:999px;
  background:rgba(255,255,255,.03);
}
.mode-btn{cursor:pointer}
.nav a:hover,.mode-btn:hover{border-color:var(--kupfer);color:var(--white)}
.container{width:min(1120px,calc(100% - 2rem));margin:0 auto}
.hero{padding:clamp(4rem,9vw,8rem) 0 3rem;display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.kicker{color:var(--kupfer);font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-size:.82rem}
h1{font-size:clamp(2.7rem,8vw,6.4rem);line-height:.93;margin:.5rem 0 1rem;color:var(--white);letter-spacing:-.08em}
h2{font-size:clamp(1.8rem,4vw,3.4rem);line-height:1.05;color:var(--white);letter-spacing:-.05em;margin:0 0 1rem}
h3{color:var(--white);margin:0 0 .5rem}
.lead{font-size:clamp(1.08rem,2vw,1.35rem);max-width:58ch;color:var(--muted)}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:2rem}
.button{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.85rem 1rem;border-radius:999px;border:1px solid var(--kupfer);
  background:rgba(160,84,27,.12);color:var(--white);font-weight:700;
}
.button.secondary{border-color:var(--line);background:rgba(255,255,255,.04);color:var(--silber)}
.button:hover{transform:translateY(-1px);box-shadow:0 12px 34px rgba(0,0,0,.25)}
.system-visual{
  width:100%;aspect-ratio:1/1.12;border:1px solid var(--line);border-radius:2rem;
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));
  box-shadow:0 24px 80px rgba(0,0,0,.22);
  padding:1rem;
}
.system-visual svg{width:100%;height:100%;display:block}
.section{padding:clamp(3rem,7vw,6rem) 0;border-top:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:1rem}
.card{
  grid-column:span 4;
  padding:1.15rem;border:1px solid var(--line);border-radius:1.3rem;
  background:linear-gradient(180deg,var(--card),rgba(255,255,255,.025));
  min-height:155px;
}
.card.wide{grid-column:span 6}
.card.full{grid-column:1/-1}
.id{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--kupfer);font-size:.82rem;letter-spacing:.1em}
.name{font-size:1.3rem;font-weight:850;color:var(--white);margin:.2rem 0 .55rem}
.muted{color:var(--muted)}
.core-flow{
  display:flex;flex-wrap:wrap;gap:.45rem;margin:1.2rem 0 0;
}
.core-flow span{
  border:1px solid var(--line);border-radius:999px;padding:.42rem .62rem;
  background:rgba(255,255,255,.035);font-size:.88rem
}
.codebox{
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  white-space:pre-wrap;
  background:rgba(0,0,0,.28);
  border:1px solid var(--line);
  padding:1rem;border-radius:1.2rem;color:var(--silber);
  overflow:auto;
}
.legend{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;
}
.legend-item{
  padding:.9rem;border:1px solid var(--line);border-radius:1rem;background:rgba(255,255,255,.03)
}
.symbol{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--gold);font-weight:800}
.footer{padding:3rem 0 4rem;text-align:center;color:var(--muted);border-top:1px solid var(--line)}
.osai-panel{
  position:fixed;right:1rem;bottom:1rem;width:min(380px,calc(100vw - 2rem));
  border:1px solid rgba(0,255,255,.35);border-radius:1.4rem;
  background:rgba(0,5,65,.88);backdrop-filter:blur(18px);
  box-shadow:0 20px 70px rgba(0,0,0,.4);
  padding:1rem;display:none;z-index:40;
}
body.osai-mode .osai-panel{display:block}
.panel-title{display:flex;align-items:center;justify-content:space-between;font-weight:800;color:var(--white)}
.status-dot{width:.65rem;height:.65rem;border-radius:999px;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}
.small{font-size:.85rem}
@media (max-width:850px){
  .hero{grid-template-columns:1fr}
  .card,.card.wide{grid-column:1/-1}
  .legend{grid-template-columns:1fr}
}
@media (max-width:620px){
  .nav a{display:none}
  h1{letter-spacing:-.05em}
}
/* FAE:LOG PDF-Link · Landingpage */
.m0541k-pdf-link{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  padding:.85rem 1rem;
  border-radius:999px;
  border:1px solid rgba(206,177,77,.62);
  background:rgba(0,5,65,.45);
  color:var(--gold);
  font-weight:800;
  font-size:.9rem;
  letter-spacing:.04em;
  text-decoration:none;
  box-shadow:0 0 28px rgba(206,177,77,.12);
  transition:transform .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease;
}
.m0541k-pdf-link:hover{
  transform:translateY(-1px);
  border-color:var(--gold);
  background:rgba(206,177,77,.1);
  color:var(--white);
  box-shadow:0 12px 34px rgba(0,0,0,.25),0 0 34px rgba(206,177,77,.18);
}
.pdf-icon{
  font-size:1rem;
  line-height:1;
}
.pdf-label{
  white-space:nowrap;
}
/* M0541K / OSAI · Home Hero v0.541 */
.hero--m1k-home{
  position:relative;
  overflow:hidden;
  min-height:72vh;
  isolation:isolate;
}

.hero--m1k-home::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-2;
  background:
    linear-gradient(
      90deg,
      rgba(0,5,65,.98) 0%,
      rgba(0,5,65,.88) 32%,
      rgba(0,5,65,.58) 62%,
      rgba(0,5,65,.82) 100%
    ),
    linear-gradient(
      180deg,
      rgba(0,5,65,.25) 0%,
      rgba(0,5,65,.72) 100%
    ),
    url("../img/hero/m1k_hero_wide.jpg");
  background-size:cover;
  background-position:center;
}

.hero--m1k-home::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:34%;
  z-index:-1;
  background:linear-gradient(
    180deg,
    rgba(0,5,65,0) 0%,
    #000541 92%
  );
}

.hero--m1k-home > *{
  position:relative;
  z-index:1;
}

@media (max-width:850px){
  .hero--m1k-home{
    min-height:78vh;
  }

  .hero--m1k-home::before{
    background:
      linear-gradient(
        180deg,
        rgba(0,5,65,.94) 0%,
        rgba(0,5,65,.78) 45%,
        rgba(0,5,65,.94) 100%
      ),
      url("../img/hero/m1k_hero_mobile.jpg");
    background-size:cover;
    background-position:center top;
  }
 }
/* OSAI-MODE · Orientierungspanel v0.541 */
.osai-panel-flow{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.35rem;
  margin:.85rem 0;
  font-family:ui-monospace,SFMono-Regular,Consolas,monospace;
  color:var(--gold);
  font-size:.82rem;
}

.osai-panel-flow span{
  border:1px solid rgba(206,177,77,.24);
  border-radius:999px;
  padding:.25rem .42rem;
  background:rgba(206,177,77,.055);
}

.osai-panel-actions{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.5rem;
  margin:.9rem 0;
}

.osai-panel-actions a{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:2.25rem;
  padding:.45rem .55rem;
  border:1px solid var(--line);
  border-radius:.9rem;
  background:rgba(255,255,255,.035);
  color:var(--silber);
  font-weight:750;
  font-size:.86rem;
  text-align:center;
}

.osai-panel-actions a:hover{
  border-color:var(--gold);
  color:var(--white);
  background:rgba(206,177,77,.09);
}

@media (max-width:420px){
  .osai-panel-actions{
    grid-template-columns:1fr;
  }
}