:root{
  --navy:#17315c; --navy-d:#102446; --yellow:#f5b800; --yellow-l:#fff4cc;
  --bg:#fbfaf7; --white:#fff; --text:#1d2430; --mute:#5b6676; --line:#e3e0d8;
  --r:10px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:"Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.65;font-size:17px}
a{color:inherit}
.wrap{width:min(1080px,92%);margin-inline:auto}
.skip{position:absolute;left:-999px}
.skip:focus{left:8px;top:8px;background:var(--yellow);padding:.5rem 1rem;z-index:99}

/* Kopf */
header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:76px}
.brand{text-decoration:none;line-height:1.15}
.brand b{display:block;font-size:1.3rem;font-weight:800;color:var(--navy);letter-spacing:-.01em}
.brand span{display:block;font-size:.82rem;color:var(--mute)}
.brand i{display:block;width:44px;height:4px;background:var(--yellow);margin-top:.3rem;border-radius:2px}
nav ul{display:flex;gap:1.7rem;list-style:none;align-items:center}
nav a{text-decoration:none;font-weight:600;color:var(--text);font-size:.97rem}
nav a:hover{color:var(--navy);text-decoration:underline;text-decoration-color:var(--yellow);text-decoration-thickness:3px;text-underline-offset:6px}
.btn{display:inline-block;font:inherit;font-weight:700;font-size:1rem;background:var(--yellow);color:var(--navy-d);border:2px solid var(--yellow);padding:.8rem 1.5rem;border-radius:var(--r);text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s}
.btn:hover{background:#ffc928;border-color:#ffc928}
.btn.line{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn.line:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn.navy{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.navy:hover{background:var(--navy-d);border-color:var(--navy-d)}
.btn.sm{padding:.55rem 1.1rem;font-size:.95rem}
.burger{display:none;font:inherit;font-weight:700;color:var(--navy);background:none;border:2px solid var(--navy);border-radius:var(--r);padding:.4rem .9rem;cursor:pointer}

/* Einstieg */
.hero{background:var(--navy);color:#fff}
.hero .wrap{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center;padding:clamp(3rem,7vw,5.5rem) 0}
.moin{display:inline-block;background:var(--yellow);color:var(--navy-d);font-weight:700;font-size:.9rem;padding:.2rem .8rem;border-radius:999px;margin-bottom:1.2rem}
.hero h1{font-size:clamp(2.1rem,4.8vw,3.4rem);line-height:1.1;font-weight:800;letter-spacing:-.02em}
.hero p{margin-top:1.3rem;font-size:1.12rem;color:#dbe3f1;max-width:32em}
.hero .cta{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.8rem}
.kontaktbox{background:var(--white);color:var(--text);border-radius:14px;padding:1.8rem;border-top:6px solid var(--yellow)}
.kontaktbox h2{font-size:1.15rem;color:var(--navy);margin-bottom:1rem}
.kontaktbox dl{display:grid;grid-template-columns:auto 1fr;gap:.6rem 1.1rem;font-size:.97rem}
.kontaktbox dt{font-weight:700;color:var(--navy)}
.kontaktbox a{text-decoration:underline;text-underline-offset:3px}
.kontaktbox .tel{display:block;margin-top:1.3rem;font-size:1.7rem;font-weight:800;color:var(--navy);text-decoration:none;letter-spacing:-.01em}
.kontaktbox .tel:hover{text-decoration:underline;text-decoration-color:var(--yellow);text-decoration-thickness:4px}

/* Fakten */
.facts{background:var(--yellow-l);border-bottom:1px solid #ecd98a}
.facts .wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;padding:1.3rem 0}
.facts div{font-size:.97rem;line-height:1.35}
.facts b{display:block;color:var(--navy);font-size:1.05rem}

/* Abschnitte */
section{padding:clamp(3rem,7vw,5rem) 0}
h2.t{font-size:clamp(1.7rem,3.2vw,2.3rem);line-height:1.15;font-weight:800;color:var(--navy);letter-spacing:-.015em}
h2.t::after{content:"";display:block;width:52px;height:4px;background:var(--yellow);border-radius:2px;margin-top:.7rem}
.lead{margin-top:1.1rem;max-width:36em;color:var(--mute)}

.leist{display:grid;grid-template-columns:1fr 1fr;gap:.2rem 3rem;margin-top:2rem;list-style:none}
.leist li{padding:1rem 0 1rem 1.9rem;border-bottom:1px solid var(--line);position:relative}
.leist li::before{content:"";position:absolute;left:0;top:1.55rem;width:11px;height:11px;background:var(--yellow);border-radius:3px}
.leist b{color:var(--navy);display:block}
.leist span{color:var(--mute);font-size:.96rem}

.white{background:var(--white);border-block:1px solid var(--line)}
.two{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.two p{margin-top:1rem;max-width:36em}
.person{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:1.6rem}
.person b{display:block;font-size:1.15rem;color:var(--navy)}
.person span{color:var(--mute);font-size:.95rem}
.person ul{list-style:none;margin-top:1.1rem;display:grid;gap:.6rem;font-size:.97rem}
.person li{padding-left:1.5rem;position:relative}
.person li::before{content:"✓";position:absolute;left:0;color:var(--navy);font-weight:800}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem;margin-top:2rem;list-style:none;counter-reset:s}
.steps li{counter-increment:s;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:1.4rem 1.4rem 1.5rem}
.steps li::before{content:counter(s);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;margin-bottom:.8rem}
.steps b{color:var(--navy);display:block;margin-bottom:.2rem}
.steps span{color:var(--mute);font-size:.96rem}

/* Kontakt */
.contact{display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.contact dl{display:grid;grid-template-columns:auto 1fr;gap:.7rem 1.3rem;margin-top:1.6rem}
.contact dt{font-weight:700;color:var(--navy)}
.contact dd a{text-decoration:underline;text-underline-offset:3px}
form{background:var(--white);border:1px solid var(--line);border-radius:14px;padding:clamp(1.3rem,3vw,2rem)}
form h3{color:var(--navy);font-size:1.25rem;margin-bottom:1.1rem}
.row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.f{display:flex;flex-direction:column;gap:.3rem;margin-bottom:1rem}
label{font-size:.88rem;font-weight:600;color:var(--navy)}
input,select,textarea{font:inherit;color:var(--text);background:#fff;border:1.5px solid #c9c5ba;border-radius:8px;padding:.7rem .8rem;width:100%}
textarea{min-height:120px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(245,184,0,.5);border-color:var(--navy)}
.invalid{border-color:#c0392b!important;background:#fdf0ee}
.check{display:flex;gap:.7rem;align-items:flex-start;font-size:.88rem;font-weight:400;color:var(--text);margin:.3rem 0 1.2rem}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--navy);flex:none}
.check a{text-decoration:underline}
.hp{position:absolute;left:-9999px}
.msg{margin-top:1rem;padding:.8rem 1rem;border-radius:8px;display:none;font-size:.95rem}
.msg.ok{display:block;background:#e8f5e9;border:1px solid #81c784}
.msg.err{display:block;background:#fdf0ee;border:1px solid #c0392b}

footer{background:var(--navy-d);color:#c9d3e6;padding:1.8rem 0;font-size:.92rem}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.foot button{background:none;border:0;font:inherit;color:inherit;text-decoration:underline;cursor:pointer;margin-left:1.2rem}
.foot button:hover{color:#fff}

dialog{margin:auto;max-width:min(680px,92vw);max-height:86vh;border:0;border-radius:14px;background:#fff;color:var(--text);padding:0}
dialog::backdrop{background:rgba(16,36,70,.55)}
.dlg{padding:1.8rem;overflow:auto;max-height:86vh}
.dlg h2{color:var(--navy);margin-bottom:.8rem}
.dlg h3{margin:1.1rem 0 .2rem;font-size:1rem;color:var(--navy)}
.dlg p{font-size:.95rem;margin-bottom:.4rem}
.dlg mark{background:var(--yellow);padding:0 .25rem;border-radius:3px}
.close{float:right;background:var(--navy);color:#fff;border:0;width:36px;height:36px;border-radius:50%;cursor:pointer}

@media (max-width:900px){
  .hero .wrap,.two,.contact{grid-template-columns:1fr}
  .facts .wrap,.steps{grid-template-columns:1fr}
  .leist{grid-template-columns:1fr}
}
@media (max-width:780px){
  .burger{display:block}
  nav ul{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0;padding:0 4% 1rem}
  nav ul.open{display:flex}
  nav li{border-top:1px solid var(--line)}
  nav a{display:block;padding:.85rem 0}
  nav li:last-child{padding-top:.9rem}
  .row{grid-template-columns:1fr}
}

section.last{border-bottom:0}
.noscript{background:var(--yellow-l);padding:.8rem 4%;text-align:center;font-size:.95rem}

/* ===== Motion & 3D ===== */
html{overflow-x:clip}
body{overflow-x:clip}
.progress{position:fixed;left:0;top:0;height:3px;width:100%;background:var(--yellow);transform:scaleX(0);transform-origin:0 50%;z-index:60;pointer-events:none}
header{transition:box-shadow .3s}
.nav{transition:min-height .3s}
header.scrolled{box-shadow:0 6px 24px rgba(16,36,70,.1)}
header.scrolled .nav{min-height:62px}
.btn{transition:transform .2s,box-shadow .2s,background .15s,border-color .15s}
.btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(16,36,70,.22)}
.btn:active{transform:none}

/* Einstieg */
.hero{position:relative}
.hero .wrap{grid-template-columns:1.05fr 1fr;padding-bottom:clamp(5.5rem,10vw,8rem)}
.scene{position:relative;height:clamp(340px,42vw,480px);display:grid;place-items:center}
.stage{position:relative;width:clamp(280px,34vw,420px);aspect-ratio:1;perspective:1200px}
.tilt{position:absolute;inset:0;transform-style:preserve-3d;transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,-14deg));will-change:transform}
.layer{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.l1{transform:translateZ(0)}
.l2{transform:translateZ(24px)}
.l3{transform:translateZ(50px)}
.shadow{position:absolute;left:10%;right:10%;bottom:-9%;height:11%;background:rgba(0,0,0,.5);border-radius:50%;filter:blur(18px)}
.kontaktbox{position:absolute;left:0;bottom:2%;width:min(260px,62%);padding:1.1rem 1.3rem 1.2rem;border-top:5px solid var(--yellow);border-radius:12px;box-shadow:0 26px 44px rgba(0,0,0,.38);will-change:transform}
.kontaktbox .k{display:block;font-size:.78rem;font-weight:700;color:var(--mute);text-transform:uppercase;letter-spacing:.07em}
.kontaktbox .tel{display:block;margin-top:.15rem;font-size:1.55rem}
.kontaktbox .adr{display:block;font-size:.88rem;color:var(--mute);margin-top:.25rem}

.js .rise{opacity:0;animation:rise .9s cubic-bezier(.2,.7,.2,1) forwards}
.d1{animation-delay:.05s}.d3{animation-delay:.6s}.d4{animation-delay:.75s}
@keyframes rise{from{opacity:0;translate:0 26px}to{opacity:1;translate:none}}
.js .stage,.js .kontaktbox{opacity:0;animation:rise 1.1s .35s cubic-bezier(.2,.7,.2,1) forwards}
.js .kontaktbox{animation-delay:1s}
.hw{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.14em;margin-bottom:-.14em}
.hw>span{display:inline-block;transform:translateY(106%);animation:wordup .95s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes wordup{to{transform:none}}

/* Laufband */
.marquee{position:relative;z-index:3;background:var(--yellow);color:var(--navy-d);transform:rotate(-1.6deg);margin:-3.4rem -3% 0;padding:.9rem 0;overflow:hidden;box-shadow:0 12px 30px rgba(16,36,70,.18)}
.track{display:flex;width:max-content;animation:marq 40s linear infinite}
.grp{display:flex;flex:none}
.grp span{position:relative;padding:0 1.8rem;font-weight:900;text-transform:uppercase;letter-spacing:.05em;font-size:1.05rem;white-space:nowrap}
.grp span::after{content:"";position:absolute;right:-5px;top:50%;width:9px;height:9px;background:var(--navy);transform:translateY(-50%) rotate(45deg)}
@keyframes marq{to{transform:translateX(-50%)}}
.marquee:hover .track{animation-play-state:paused}
.facts{background:var(--white);border-bottom:1px solid var(--line);padding-top:2.4rem}

/* Einblenden beim Scrollen */
.js .rv{opacity:0;translate:0 32px;transition:opacity .9s cubic-bezier(.2,.7,.2,1),translate .9s cubic-bezier(.2,.7,.2,1)}
.js .rv.in{opacity:1;translate:none}
.js h2.t::after{transform:scaleX(0);transform-origin:0 50%;transition:transform .8s .3s cubic-bezier(.2,.7,.2,1)}
.js h2.t.in::after{transform:none}

/* Kippen & Hover */
.leist li{transition:transform .25s}
.leist li::before{transition:transform .35s}
.leist li:hover{transform:translateX(6px)}
.leist li:hover::before{transform:rotate(135deg) scale(1.25)}
.tilt-card{transform:perspective(900px) rotateX(var(--cx,0deg)) rotateY(var(--cy,0deg));transition:transform .25s ease-out,box-shadow .25s;will-change:transform}
.tilt-card:hover{box-shadow:0 22px 40px rgba(16,36,70,.14)}

@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr}
  .scene{height:360px;margin-top:.5rem}
  .stage{width:min(300px,76vw)}
  .kontaktbox{bottom:-2%;left:2%}
  .marquee{margin-top:-2.6rem}
}
@media (prefers-reduced-motion:reduce){
  .js .rise,.js .stage,.js .kontaktbox,.hw>span,.js .rv{opacity:1;translate:none;transform:none;animation:none;transition:none}
  .js h2.t::after{transform:none;transition:none}
  .track{animation:none}
  .btn,.tilt-card,.leist li,.leist li::before{transition:none}
}
@media (max-width:520px){.brand b{font-size:1.05rem}.brand span{font-size:.75rem}}