/* Schriften lokal eingebunden (keine Verbindung zu Google) */
@font-face{font-family:'Montserrat';font-style:normal;font-weight:500;font-display:swap;src:url('fonts/montserrat-500.woff2') format('woff2')}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/montserrat-600.woff2') format('woff2')}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/montserrat-700.woff2') format('woff2')}
@font-face{font-family:'Montserrat';font-style:normal;font-weight:800;font-display:swap;src:url('fonts/montserrat-800.woff2') format('woff2')}
@font-face{font-family:'Open Sans';font-style:normal;font-weight:400;font-display:swap;src:url('fonts/open-sans-400.woff2') format('woff2')}
@font-face{font-family:'Open Sans';font-style:normal;font-weight:600;font-display:swap;src:url('fonts/open-sans-600.woff2') format('woff2')}
@font-face{font-family:'Open Sans';font-style:normal;font-weight:700;font-display:swap;src:url('fonts/open-sans-700.woff2') format('woff2')}
/* SVB-K Bau-Forensik – eigenes Markenkit (Farben), Schriften wie die übrigen Seiten, nur für die Unterseite Bauforensik.
   Layout: Tatort statt Prospekt – Anthrazit als Grund, Signalgelb nur für Absperrband, Spurennummern und Handlungsaufrufe, Leder als warme Zweitfarbe für Akten-Details */
:root{
  --coal:#2C2C2C;        /* Grund */
  --coal-2:#232323;      /* tiefere Bänder */
  --coal-3:#363636;      /* Karten */
  --signal:#F2C12E;      /* Absperrband, Marker, CTA */
  --leather:#B5813A;     /* Akten-Details, Labels */
  --chalk:#F1EEE7;       /* Überschriften */
  --ash:#B9B5AD;         /* Fließtext */
  --rule:#4a4a4a;        /* Linien */
  --display:'Montserrat','Segoe UI',Arial,sans-serif;
  --body:'Open Sans','Segoe UI',Arial,sans-serif;
  --mono:'Montserrat','Segoe UI',Arial,sans-serif;
  --wrap:1200px;
  color-scheme:dark;
}
*{box-sizing:border-box}
body{margin:0;background:var(--coal);color:var(--ash);font:17px/1.65 var(--body)}
h1,h2,h3{font-family:var(--display);color:var(--chalk);font-weight:800;text-transform:uppercase;line-height:1.05;letter-spacing:0;margin:0;text-wrap:balance}
p{margin:0}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}
.band{padding-block:96px}
.band.deep{background:var(--coal-2)}
.tag{font:500 12px/1.3 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--leather)}
.btn{display:inline-flex;align-items:center;gap:12px;font:800 19px/1 var(--display);text-transform:uppercase;letter-spacing:.06em;background:var(--signal);color:#1b1b1b;text-decoration:none;padding:17px 26px;border:2px solid var(--signal);transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--signal)}
:focus-visible{outline:3px solid var(--signal);outline-offset:3px}

/* Kopfzeile (gleiche Navigation wie die übrige Website, dunkle Fassung) */
header{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:rgba(35,35,35,.97);border-bottom:1px solid var(--rule)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:21;background:var(--coal-2)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo .mark{width:38px;height:44px;background:var(--signal);clip-path:polygon(0 0,100% 0,100% 62%,50% 100%,0 62%)}
.logo b{display:block;font:800 24px/1 var(--display);color:var(--chalk);letter-spacing:.04em}
.logo small{display:block;font:500 10px/1.4 var(--mono);color:var(--leather);letter-spacing:.14em;text-transform:uppercase}
nav ul{display:flex;gap:2px;list-style:none;margin:0;padding:0}
nav a{display:block;font:600 15px/1 var(--body);color:var(--chalk);text-decoration:none;padding:11px 14px}
nav a:hover{color:var(--signal)}
nav a[aria-current]{background:var(--signal);color:#1b1b1b}
.cta-top{font:800 16px/1 var(--display);text-transform:uppercase;letter-spacing:.06em;color:var(--signal);text-decoration:none;border-bottom:2px solid var(--signal);padding-bottom:4px;white-space:nowrap}
.burger{display:none}

/* Hero */
.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:end;padding-block:72px 64px}
.case{display:flex;flex-wrap:wrap;gap:8px 22px;font:400 12px/1.4 var(--mono);color:var(--ash);letter-spacing:.08em;text-transform:uppercase;margin-bottom:28px}
.case b{color:var(--signal);font-weight:500}
.hero h1{font-size:clamp(34px,5.6vw,72px)}
.hero h1 em{font-style:normal;color:var(--signal)}
.hero .sub{margin-top:26px;font:700 clamp(20px,2.2vw,28px)/1.2 var(--display);text-transform:uppercase;letter-spacing:.04em;color:var(--chalk)}
.hero .lead{margin-top:18px;max-width:52ch}
.hero .actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}

/* Beweisfoto-Platzhalter mit Spurenmarker und Maßstab */
.evidence{position:relative;background:#3a3a3a repeating-linear-gradient(135deg,transparent 0 16px,rgba(255,255,255,.035) 16px 17px);overflow:hidden;max-width:100%}
.evidence .cap{position:absolute;left:14px;bottom:14px;right:70px;font:400 11px/1.4 var(--mono);color:var(--chalk);letter-spacing:.08em;text-transform:uppercase;background:rgba(28,28,28,.75);padding:8px 10px}
.marker{position:absolute;top:16px;left:16px;width:46px;height:40px;background:var(--signal);clip-path:polygon(50% 0,100% 100%,0 100%);display:grid;place-items:end center;padding-bottom:4px;font:800 17px/1 var(--display);color:#1b1b1b}
.scale{position:absolute;right:14px;bottom:14px;width:46px;height:110px;border-left:8px solid var(--chalk);border-bottom:8px solid var(--chalk);background:linear-gradient(var(--chalk),var(--chalk)) 0 0/14px 2px repeat-y;opacity:.85}
.scale::after{content:"";position:absolute;left:-8px;bottom:-8px;width:54px;height:8px;background:repeating-linear-gradient(90deg,#1b1b1b 0 6px,var(--chalk) 6px 12px)}
.hero .evidence{aspect-ratio:4/5}

/* Absperrband */
.tape{position:relative;height:120px;overflow:hidden}
.tape .strip{position:absolute;left:-5%;right:-5%;top:34px;height:52px;background:var(--signal);transform:rotate(-2.2deg);display:flex;align-items:center;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.4);border-block:6px solid transparent;background-image:repeating-linear-gradient(-45deg,#1b1b1b 0 14px,transparent 14px 28px);background-size:100% 6px;background-repeat:repeat-x;background-position:0 0,0 100%;background-color:var(--signal)}
.tape .strip::before,.tape .strip::after{content:"";position:absolute;left:0;right:0;height:6px;background:repeating-linear-gradient(-45deg,#1b1b1b 0 10px,var(--signal) 10px 20px)}
.tape .strip::before{top:0}.tape .strip::after{bottom:0}
.tape .run{display:flex;white-space:nowrap;font:800 24px/1 var(--display);letter-spacing:.12em;color:#1b1b1b;text-transform:uppercase;animation:run 38s linear infinite}
.tape .run span{padding-right:28px}
@keyframes run{to{transform:translateX(-50%)}}

/* Methoden */
.head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:48px}
.head h2{font-size:clamp(30px,4.2vw,56px);margin-top:12px}
.head p{max-width:54ch}
.methods{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.m{background:var(--coal-3);display:flex;flex-direction:column;border-top:4px solid var(--signal)}
.m .evidence{aspect-ratio:4/3}
.m-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px}
.m h3{font-size:30px}
.m p{font-size:15.5px}
.m .tag{color:var(--leather)}

/* Fallakten */
.files{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.file{position:relative;background:#e9e4d8;color:#2b2a27;padding:34px 30px 30px;clip-path:polygon(0 18px,22% 18px,26% 0,100% 0,100% 100%,0 100%)}
.file .tag{color:#7d5a28}
.file h3{color:#1e1d1b;font-size:34px;margin:10px 0 14px}
.file dl{display:grid;grid-template-columns:110px 1fr;gap:8px 14px;margin:0;font-size:15.5px}
.file dt{font:500 11px/1.9 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#7d5a28}
.file dd{margin:0}
.stamp{position:absolute;top:30px;right:24px;font:800 18px/1 var(--display);letter-spacing:.1em;color:#b23b2b;border:3px solid #b23b2b;padding:6px 10px;transform:rotate(7deg);opacity:.85;text-transform:uppercase}

/* Ablauf */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--rule)}
.step{padding:30px 26px 10px 0;border-right:1px solid var(--rule)}
.step+.step{padding-left:26px}
.step:last-child{border-right:0}
.step .no{font:800 72px/1 var(--display);color:var(--signal)}
.step h3{font-size:28px;margin:12px 0 10px}
.step p{font-size:15.5px}

/* Labor + Warum */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split h2{font-size:clamp(28px,3.6vw,46px);margin:12px 0 22px}
.split p+p{margin-top:14px}
.quote{border-left:6px solid var(--signal);padding:6px 0 6px 26px;font:700 clamp(26px,3vw,38px)/1.15 var(--display);text-transform:uppercase;color:var(--chalk)}
.quote small{display:block;margin-top:14px;font:400 12px var(--mono);letter-spacing:.12em;color:var(--leather)}
.tools{margin-top:26px;display:flex;flex-wrap:wrap;gap:8px}
.tools span{font:500 12px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;border:1px solid var(--rule);color:var(--chalk);padding:9px 12px}

/* CTA */
.cta{background:var(--signal);color:#1b1b1b}
.cta .wrap{display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center;padding-block:72px}
.cta h2{color:#1b1b1b;font-size:clamp(30px,4.4vw,58px)}
.cta p{font-size:18px;margin-top:16px;max-width:48ch;color:#2b2a27}
.cta .btn{background:#1b1b1b;color:var(--signal);border-color:#1b1b1b}
.cta .direct{margin-top:18px;font:500 14px/1.6 var(--mono);letter-spacing:.04em}
.cta .direct b{user-select:all}

footer{background:#1d1d1d;color:var(--ash);padding-block:40px;font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
footer a{color:var(--chalk);text-decoration:none;font:500 12px var(--mono);letter-spacing:.12em}

@media (max-width:1020px){
  .methods{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step{padding-left:0!important;border-right:0;border-bottom:1px solid var(--rule);padding-bottom:26px}
}
@media (max-width:820px){
  nav ul,.cta-top{display:none}
  .burger{display:inline-flex;font:800 16px var(--display);text-transform:uppercase;letter-spacing:.06em;border:1px solid var(--rule);background:transparent;color:var(--chalk);padding:10px 14px}
  .hero,.head,.split,.cta .wrap{grid-template-columns:1fr;gap:32px}
  .hero{padding-block:44px 40px}
  .hero .evidence{aspect-ratio:4/3}
  .files{grid-template-columns:1fr}
  .band{padding-block:68px}
}
@media (max-width:540px){
  .methods,.steps{grid-template-columns:1fr}
  .file dl{grid-template-columns:1fr;gap:2px}
  .file dd{margin-bottom:8px}
  .stamp{position:static;display:inline-block;margin-bottom:12px}
}
@media (prefers-reduced-motion:reduce){.tape .run{animation:none}*{transition:none!important}}

/* Untermenüs und Mobilmenü (wie übrige Website) */
.has-sub{position:relative}
.has-sub>a::after{content:"▾";font-size:11px;margin-left:6px}
.sub{position:absolute;top:100%;left:0;min-width:260px;background:var(--coal-2);border:1px solid var(--rule);padding:8px;display:none;flex-direction:column}
.has-sub:hover .sub,.has-sub:focus-within .sub{display:flex}
.sub a{padding:10px 12px;font-size:14px}
.crumbs{font:400 12px/1.4 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--ash);padding-top:26px}
.crumbs a{color:var(--signal);text-decoration:none}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.fgrid h4{margin:0 0 12px;font:500 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--leather)}
.fgrid ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.fgrid a{color:var(--chalk);text-decoration:none;font:400 14px var(--body);letter-spacing:0}
.fgrid a:hover{color:var(--signal)}
.fgrid .fb{font:800 24px var(--display);color:var(--chalk);letter-spacing:.04em}
.fbottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--rule);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}
footer{padding-block:56px 28px}
@media (max-width:1020px){.fgrid{grid-template-columns:1fr 1fr}}
@media (max-width:820px){
  .bar{flex-wrap:wrap}
  nav{order:3;width:100%;display:none}
  header.open nav{display:block;padding-bottom:16px}
  nav ul{flex-direction:column}
  .sub{position:static;display:flex;border:0;padding:0 0 0 14px;min-width:0;background:transparent}
  .has-sub>a::after{content:""}
  .burger{cursor:pointer}
}
@media (max-width:820px){header.open nav ul{display:flex}}
@media (max-width:540px){.fgrid{grid-template-columns:1fr}}
.consent-bar{position:fixed;left:16px;right:16px;bottom:16px;z-index:50;max-width:760px;margin:0 auto;background:var(--coal-2);border:1px solid var(--rule);border-left:4px solid var(--signal);padding:18px 20px;display:flex;gap:18px;align-items:center;flex-wrap:wrap;box-shadow:0 12px 40px rgba(0,0,0,.45)}
.consent-bar[hidden]{display:none}
.consent-bar p{margin:0;flex:1 1 320px;font-size:14px;line-height:1.55;color:var(--ash)}
.consent-bar b{color:var(--chalk)}
.consent-bar a{color:var(--signal)}
.consent-btns{display:flex;gap:10px;flex-wrap:wrap}
.consent-btns .btn{padding:11px 18px;font-size:14px}
.fgrid p a{color:inherit;text-decoration:none}
/* Unterseiten der Bauforensik */
.bf-faq{display:grid;grid-template-columns:1fr 1.4fr;gap:48px;align-items:start}
.bf-faq details{border-top:1px solid var(--rule);padding:18px 0}
.bf-faq details:last-child{border-bottom:1px solid var(--rule)}
.bf-faq summary{cursor:pointer;font:700 18px/1.35 var(--body);color:var(--chalk);list-style:none;display:flex;justify-content:space-between;gap:16px}
.bf-faq summary::-webkit-details-marker{display:none}
.bf-faq summary::after{content:'+';font:500 22px/1 var(--mono);color:var(--signal)}
.bf-faq details[open] summary::after{content:'–'}
.bf-faq details p{margin:12px 0 0;color:var(--ash)}
.bf-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.bf-link{display:flex;flex-direction:column;gap:8px;padding:22px 24px;background:var(--coal-3);border:1px solid var(--rule);border-left:4px solid var(--signal);text-decoration:none}
.bf-link:hover{border-color:var(--signal)}
.bf-link .tag{color:var(--leather)}
.bf-link b{font:800 22px/1.05 var(--display);text-transform:uppercase;color:var(--chalk)}
.bf-link span{font-size:15px;color:var(--ash)}
.bf-check{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:10px}
.bf-check li{position:relative;padding-left:30px;color:var(--ash)}
.bf-check li::before{content:'';position:absolute;left:0;top:7px;width:14px;height:14px;background:var(--signal)}
@media (max-width:860px){.bf-faq{grid-template-columns:1fr;gap:24px}}
.hero>*,.split>*,.bf-faq>*{min-width:0}
h1,h2{overflow-wrap:break-word}
@media (max-width:560px){h1,h2{hyphens:auto}}
.bf-faq h2{font-size:clamp(28px,3.6vw,46px)}
/* Nach-oben-Pfeil */
.to-top{position:fixed;right:20px;bottom:20px;z-index:40;width:48px;height:48px;background:var(--signal);color:#1b1b1b;display:grid;place-items:center;box-shadow:0 8px 24px rgba(0,0,0,.45);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .25s,transform .25s,visibility .25s}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:#ffd54a}
.to-top:focus-visible{outline:3px solid var(--chalk);outline-offset:3px}
.to-top svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2.6;stroke-linecap:square}
.evidence .photo{object-fit:cover}
.hero h1{hyphens:manual;overflow-wrap:normal}
h1,h2,h3{hyphens:manual!important}
html,body{overflow-x:clip}
.logo-img{width:40px;height:48px;object-fit:contain;display:block}