:root{
  --blau:#0b17c4; --blau-dunkel:#060e7a; --gelb:#fee42e;
  --tinte:#141a33; --grau:#5f6579; --linie:#e4e6ee; --hell:#f5f6f9; --weiss:#fff;
  --r:14px; --w:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:"Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;color:var(--tinte);background:var(--weiss);line-height:1.6;font-size:17px;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
h1,h2,h3{line-height:1.1;letter-spacing:-.02em;font-weight:800}
h2{font-size:clamp(30px,3.6vw,42px)}
.kicker{display:block;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--blau);margin-bottom:12px}
.lead{font-size:19px;color:var(--grau);max-width:540px;margin-top:16px}
section{padding:110px 0}
.kopfzeile{margin-bottom:48px}

.entwurf{background:var(--tinte);color:#fff;font-size:13px;text-align:center;padding:6px 16px}

/* Kopf */
.kopf{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--linie)}
.kopf .wrap{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;text-decoration:none;font-weight:900;font-style:italic;font-size:20px;line-height:1;flex-shrink:0}
.logo span{padding:7px 9px 6px}
.logo .s{background:var(--blau);color:#fff}
.logo .b{background:var(--gelb);color:var(--blau)}
.menu{display:flex;gap:2px;margin-left:auto;list-style:none}
.menu>li{position:relative}
.menu>li>a{display:block;padding:10px 14px;font-weight:600;font-size:16px;text-decoration:none;border-radius:999px}
.menu>li>a:hover,.menu>li:focus-within>a{color:var(--blau)}
.menu .unter{position:absolute;top:100%;left:4px;min-width:200px;background:#fff;border:1px solid var(--linie);border-radius:12px;box-shadow:0 18px 40px rgba(20,26,51,.12);padding:8px;list-style:none;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s}
.menu>li:hover .unter,.menu>li:focus-within .unter{opacity:1;visibility:visible;transform:none}
.unter a{display:block;padding:9px 12px;border-radius:8px;text-decoration:none;font-size:15px}
.unter a:hover{background:var(--hell);color:var(--blau)}
.anruf{font-weight:800;text-decoration:none;white-space:nowrap;padding:10px 16px;border-radius:999px;background:var(--gelb)}
.burger{display:none;margin-left:auto;background:none;border:0;font:inherit;font-weight:700;padding:10px}

/* Knöpfe */
.knopf{display:inline-flex;align-items:center;padding:15px 24px;border-radius:999px;font-weight:800;text-decoration:none;transition:transform .15s,background .15s}
.knopf.blau{background:var(--blau);color:#fff}
.knopf.blau:hover{background:var(--blau-dunkel);transform:translateY(-2px)}
.textlink{font-weight:700;text-decoration:none;color:var(--blau)}
.textlink:hover{text-decoration:underline}

/* Start */
.held{padding:80px 0 110px}
.held .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.held h1{font-size:clamp(40px,5.2vw,66px)}
.held h1 em{font-style:normal;color:var(--blau)}
.held .aktionen{display:flex;align-items:center;gap:28px;margin-top:34px;flex-wrap:wrap}
.foto-gross{position:relative}
.foto-gross .rahmen{border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;box-shadow:0 34px 60px -24px rgba(6,14,122,.45)}
.foto-gross img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);will-change:transform}
.garantie{position:absolute;left:-18px;bottom:-18px;background:var(--gelb);padding:14px 18px;border-radius:12px;font-weight:800;line-height:1.2;box-shadow:0 14px 28px rgba(20,26,51,.18)}

/* Leistungen */
.drei{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.leistung .foto{border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;margin-bottom:20px}
.leistung img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.leistung:hover img{transform:scale(1.05)}
.leistung h3{font-size:24px;margin-bottom:6px}
.leistung p{color:var(--grau)}

/* Projektporträt */
.portraet{background:var(--hell)}
.portraet .wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:64px;align-items:center}
.vergleich{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;user-select:none;touch-action:pan-y;cursor:ew-resize}
.vergleich img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none}
.vergleich .vorher{clip-path:inset(0 calc(100% - var(--pos,50%)) 0 0)}
.vergleich .griff{position:absolute;top:0;bottom:0;left:var(--pos,50%);width:3px;margin-left:-1.5px;background:#fff}
.vergleich .griff::after{content:"";position:absolute;top:50%;left:50%;width:42px;height:42px;margin:-21px 0 0 -21px;border-radius:50%;background:var(--gelb) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23141a33' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 6l-5 6 5 6M15 6l5 6-5 6'/%3E%3C/svg%3E") center/22px no-repeat;box-shadow:0 6px 16px rgba(0,0,0,.25)}
.vergleich .etikett{position:absolute;top:14px;padding:4px 10px;border-radius:999px;background:rgba(20,26,51,.7);color:#fff;font-size:13px;font-weight:700}
.vergleich .l{left:14px}.vergleich .r{right:14px}
.schritte{list-style:none;margin-top:28px;display:grid;gap:14px}
.schritte li{display:grid;grid-template-columns:32px 1fr;gap:14px;align-items:baseline}
.schritte b{font-size:20px;color:var(--blau);font-weight:900}
.schritte span{color:var(--grau)}

/* Referenzen */
.ref-kopf{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.filter{display:flex;gap:6px;flex-wrap:wrap}
.filter button{font:inherit;font-weight:700;font-size:15px;border:0;background:var(--hell);border-radius:999px;padding:9px 16px;cursor:pointer;color:var(--tinte)}
.filter button[aria-pressed=true]{background:var(--tinte);color:#fff}
.galerie{display:grid;grid-template-columns:repeat(4,1fr);gap:28px 20px}
.galerie .bild{border-radius:12px;overflow:hidden;aspect-ratio:4/3}
.galerie img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.galerie figure:hover img{transform:scale(1.05)}
.galerie figcaption{margin-top:10px;font-weight:700;font-size:15px;line-height:1.35}
.galerie figcaption small{display:block;font-weight:400;color:var(--grau);font-size:14px}
.galerie .zeigen{animation:auf .35s ease both}
@keyframes auf{from{opacity:0;transform:translateY(8px)}}
.mehr{margin-top:40px}

/* Über uns */
.ueber{background:var(--hell)}
.ueber .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.zeitleiste{list-style:none;margin-top:28px}
.zeitleiste li{display:grid;grid-template-columns:72px 1fr;gap:16px;padding:12px 0}
.zeitleiste b{color:var(--blau);font-weight:900}
.stimme{background:#fff;border-radius:var(--r);padding:36px}
.stimme p{font-size:22px;line-height:1.45;font-weight:600}
.stimme p::before{content:"„"}
.stimme p::after{content:"“"}
.stimme cite{display:block;margin-top:18px;font-style:normal;color:var(--grau)}

/* Kontakt */
.kontakt .kasten{background:var(--blau);color:#fff;border-radius:24px;padding:64px;display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.kontakt .kicker{color:var(--gelb)}
.kontakt .lead{color:rgba(255,255,255,.85)}
.kontakt .tel{display:inline-block;font-size:clamp(28px,3.4vw,40px);font-weight:900;color:var(--gelb);text-decoration:none;margin-top:28px}
.kontakt dl{display:grid;gap:18px}
.kontakt dt{font-size:14px;opacity:.75}
.kontakt dd{font-weight:700}
.kontakt dd a{text-decoration:none}
.kontakt dd a:hover{text-decoration:underline}

footer{padding:36px 0;font-size:14px;color:var(--grau)}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{text-decoration:none;margin-left:18px}

.zeig{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}
.zeig.da{opacity:1;transform:none}

.handy-anruf{display:none}
@media (max-width:960px){
  .menu,.kopf .anruf{display:none}
  .burger{display:block}
  .kopf.offen .menu{display:flex;flex-direction:column;position:absolute;top:72px;left:0;right:0;background:#fff;padding:12px 16px 20px;border-bottom:1px solid var(--linie);box-shadow:0 20px 30px rgba(20,26,51,.1)}
  .kopf.offen .unter{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 6px 14px;min-width:0}
  .held .wrap,.portraet .wrap,.ueber .wrap,.kontakt .kasten{grid-template-columns:1fr;gap:44px}
  .drei{grid-template-columns:1fr;gap:44px}
  .galerie{grid-template-columns:repeat(2,1fr)}
  section{padding:72px 0}
  .held{padding:40px 0 72px}
  .kontakt .kasten{padding:40px 28px}
  .handy-anruf{display:flex;position:fixed;left:16px;right:16px;bottom:14px;z-index:60;justify-content:center;box-shadow:0 10px 30px rgba(20,26,51,.3)}
  footer{padding-bottom:96px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  body{font-size:16px}
  .garantie{left:10px;bottom:-14px}
  .galerie{gap:20px 12px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.zeig{opacity:1;transform:none}html{scroll-behavior:auto}}

/* ---------- Unterseiten ---------- */
.menu>li>button.auf{font:inherit;background:none;border:0;cursor:pointer;display:block;padding:10px 14px;font-weight:600;font-size:16px;color:var(--tinte)}
.menu>li>button.auf::after{content:"";display:inline-block;width:6px;height:6px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);margin:0 0 3px 8px}
.menu>li:hover>button.auf,.menu>li:focus-within>button.auf,.menu a[aria-current=page],.unter a[aria-current=page]{color:var(--blau)}
.unter a[aria-current=page]{background:var(--hell)}

.seitenkopf{padding:64px 0 72px}
.seitenkopf .wrap{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.seitenkopf h1{font-size:clamp(40px,5vw,60px)}
.brotkrumen{font-size:14px;color:var(--grau);margin-bottom:14px}
.brotkrumen a{text-decoration:none}
.brotkrumen a:hover{color:var(--blau)}
.seitenkopf.schmal .wrap{grid-template-columns:1fr}

.liste{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:0 48px;margin-top:8px}
.liste li{padding:16px 0 16px 34px;border-bottom:1px solid var(--linie);position:relative;font-weight:600}
.liste li::before{content:"";position:absolute;left:0;top:22px;width:14px;height:14px;border-radius:4px;background:var(--gelb)}
.zwei{display:grid;grid-template-columns:1fr 1.3fr;gap:64px;align-items:start}
.fotoreihe{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fotoreihe figure{border-radius:var(--r);overflow:hidden;aspect-ratio:4/3}
.fotoreihe img{width:100%;height:100%;object-fit:cover}
.weiter{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;margin-top:36px}

.paare{display:grid;grid-template-columns:1fr 1fr;gap:48px 32px}
.paar h3{font-size:20px;margin-top:16px}
.paar p{color:var(--grau);font-size:15px}

.band{background:var(--blau);color:#fff;padding:56px 0}
.band .wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.band h2{font-size:clamp(26px,3vw,34px)}
.band a{font-size:clamp(24px,2.8vw,32px);font-weight:900;color:var(--gelb);text-decoration:none}

/* Seiten, die nur den Aufbau zeigen */
.aufbau-hinweis{background:var(--gelb);color:var(--tinte);font-size:15px;font-weight:600;text-align:center;padding:10px 16px}
.sk{background:repeating-linear-gradient(-45deg,#eef0f5 0 12px,#f6f7fa 12px 24px);border:2px dashed #cfd3df;border-radius:var(--r);color:#8a90a3;font-size:14px;font-weight:700;display:grid;place-items:center;text-align:center;padding:16px}
.sk.foto{aspect-ratio:4/3}
.sk.breit{aspect-ratio:16/7}
.sk.zeile{height:18px;border-width:0;border-radius:6px;padding:0;margin:10px 0;background:#e9ebf1}
.sk.zeile.kurz{width:60%}
.sk.block{min-height:180px}
.sk-raster{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.sk-raster.drei{grid-template-columns:repeat(3,1fr)}
.sk-titel{font-weight:800;font-size:22px;margin-bottom:6px}

/* Seitenplan auf Home */
.plan{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.plan .spalte{background:#fff;border-radius:var(--r);padding:20px}
.plan b{display:block;font-size:17px;margin-bottom:10px}
.plan a{display:flex;justify-content:space-between;gap:8px;text-decoration:none;font-size:15px;padding:7px 0;border-top:1px solid var(--linie)}
.plan a:hover{color:var(--blau)}
.plan .st{font-size:12px;font-weight:700;border-radius:999px;padding:1px 8px;align-self:center;white-space:nowrap}
.plan .st.f{background:#dff3e6;color:#17663a}
.plan .st.a{background:var(--hell);color:var(--grau)}

@media (max-width:960px){
  .seitenkopf .wrap,.zwei{grid-template-columns:1fr;gap:36px}
  .seitenkopf{padding:36px 0 48px}
  .liste{grid-template-columns:1fr}
  .fotoreihe,.sk-raster.drei{grid-template-columns:1fr 1fr}
  .sk-raster{grid-template-columns:1fr 1fr}
  .paare{grid-template-columns:1fr}
  .plan{grid-template-columns:1fr 1fr}
  .menu>li>button.auf{padding:10px 14px;text-align:left;width:100%}
}
@media (max-width:520px){.plan{grid-template-columns:1fr}}

/* Logo mit SK-Zeichen */
.logo{align-items:center;gap:10px}
.logo .zeichen{height:40px;width:auto}
.logo .wort{display:flex}
.fuss-logo{display:flex;align-items:center;gap:12px;line-height:1.5}
.fuss-logo b{color:var(--tinte)}
footer .wrap{align-items:center}
@media (max-width:520px){.logo{font-size:17px}.logo .zeichen{height:34px}}

/* Sanfter Übergang zwischen den Seiten */
@view-transition{navigation:auto}
::view-transition-old(root),::view-transition-new(root){animation-duration:.28s}
.kopf{view-transition-name:kopf}
.aktionen{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
@media (min-width:961px) and (max-width:1100px){.plan{grid-template-columns:repeat(3,1fr)}}

/* Klickbare Karten: man sieht sofort, dass es weitergeht */
a.leistung{display:flex;flex-direction:column;text-decoration:none;color:inherit;border-radius:var(--r)}
.leistung .foto{position:relative}
.leistung .pfeil{position:absolute;right:14px;bottom:14px;width:48px;height:48px;border-radius:50%;background:var(--gelb);color:var(--tinte);display:grid;place-items:center;box-shadow:0 8px 20px rgba(20,26,51,.28);transition:transform .25s ease}
.leistung .pfeil svg{width:22px;height:22px}
.leistung .mehr{display:inline-flex;align-items:center;gap:8px;margin-top:14px;align-self:flex-start;font-weight:800;color:var(--blau);padding:10px 16px;border:2px solid var(--blau);border-radius:999px;transition:background .2s,color .2s}
.leistung .mehr svg{width:18px;height:18px;transition:transform .2s}
.leistung p{flex-grow:1}
a.leistung:hover h3{color:var(--blau)}
a.leistung:hover .pfeil{transform:translateX(5px)}
a.leistung:hover .mehr{background:var(--blau);color:#fff}
a.leistung:hover .mehr svg{transform:translateX(3px)}
a.leistung:focus-visible{outline:3px solid var(--blau);outline-offset:6px}