/* Vulkanland Schneiderei – Stylesheet. Bei Änderungen ?v= in allen HTML-Seiten hochzählen. */
@font-face{font-family:Archivo;font-weight:400;font-display:swap;src:url(fonts/archivo-400.woff2) format("woff2")}
@font-face{font-family:Archivo;font-weight:500;font-display:swap;src:url(fonts/archivo-500.woff2) format("woff2")}
@font-face{font-family:Archivo;font-weight:700;font-display:swap;src:url(fonts/archivo-700.woff2) format("woff2")}
@font-face{font-family:Archivo;font-weight:900;font-display:swap;src:url(fonts/archivo-900.woff2) format("woff2")}
@font-face{font-family:"Plex Mono";font-weight:400;font-display:swap;src:url(fonts/plexmono-400.woff2) format("woff2")}
@font-face{font-family:"Plex Mono";font-weight:500;font-display:swap;src:url(fonts/plexmono-500.woff2) format("woff2")}

:root{
  --bg:#111214; --bg-deep:#0A0B0C; --panel:#141618; --panel-2:#0C0D0F;
  --line:#26282B; --line-2:#33363A;
  --text:#F5F3F0; --text-2:#C9CDD1; --muted:#8A8F95;
  --rot:#BB332C; --rot-hell:#E0554D; --blau:#2F7FC1; --blau-hell:#6FAEE3; --stahl:#A9AFB6;
  --mono:"Plex Mono",ui-monospace,Menlo,monospace;
  --wrap:1240px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Archivo,Helvetica,Arial,sans-serif;font-size:17px;line-height:1.6}
img{max-width:100%;height:auto;display:block}
a{color:var(--rot-hell);text-decoration:none}
a:hover{color:#fff}
::selection{background:var(--rot);color:#fff}
h1,h2,h3{line-height:1.08;margin:0 0 .5em;font-weight:900;letter-spacing:-.01em}
h1{font-size:clamp(40px,7vw,84px);text-transform:uppercase;letter-spacing:-.02em}
h2{font-size:clamp(28px,4vw,46px)}
h3{font-size:22px;font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.kicker{font-family:var(--mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-bottom:18px;display:block}
.kicker b{color:var(--rot);font-weight:500}
.lead{font-size:clamp(18px,2vw,21px);color:var(--text-2);max-width:640px}
.mono{font-family:var(--mono)}
.skip{position:absolute;left:-999px;top:8px;background:var(--rot);color:#fff;padding:8px 14px;z-index:99}
.skip:focus{left:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:13px;letter-spacing:.16em;text-transform:uppercase;padding:16px 22px;border:1px solid var(--line-2);color:var(--text);background:transparent;cursor:pointer;border-radius:0;transition:background .15s,border-color .15s,color .15s}
.btn:hover{border-color:var(--text);color:#fff}
.btn-rot{background:var(--rot);border-color:var(--rot);color:#fff}
.btn-rot:hover{background:var(--rot-hell);border-color:var(--rot-hell)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* Header */
.site-head{position:sticky;top:0;z-index:50;background:rgba(17,18,20,.94);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.hex{width:32px;height:38px;background:linear-gradient(135deg,var(--rot) 50%,var(--blau) 50%);clip-path:polygon(50% 0,100% 18%,100% 68%,50% 100%,0 68%,0 18%);display:flex;align-items:center;justify-content:center}
.hex::after{content:"";width:9px;height:9px;background:var(--text);transform:rotate(45deg)}
.brand-t{line-height:1}
.brand-t b{display:block;font-weight:900;font-size:17px;letter-spacing:.16em;text-transform:uppercase}
.brand-t span{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.34em;color:var(--muted);text-transform:uppercase;margin-top:4px}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#9AA0A6;padding:10px 12px;border-bottom:2px solid transparent}
.nav a:hover{color:var(--text)}
.nav a[aria-current="page"]{color:var(--text);border-bottom-color:var(--rot)}
.nav a.btn-rot{color:#fff;border-bottom:1px solid var(--rot);padding:12px 16px;margin-left:10px}
.nav a.btn-rot[aria-current="page"]{border-bottom-color:var(--rot)}
.nav-toggle{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.burger{display:none;margin-left:auto;width:46px;height:46px;border:1px solid var(--line-2);cursor:pointer;flex-direction:column;justify-content:center;gap:5px;padding:0 12px}
.burger span{display:block;height:2px;background:var(--text)}
@media (max-width:860px){
  .burger{display:flex}
  .nav{display:none;position:absolute;left:0;right:0;top:72px;flex-direction:column;align-items:stretch;gap:0;background:var(--panel-2);border-bottom:1px solid var(--line);padding:8px 16px 18px}
  .nav a{font-size:13px;padding:16px 4px;border-bottom:1px solid #1D1F22}
  .nav a[aria-current="page"]{border-bottom-color:#1D1F22;color:var(--rot-hell)}
  .nav a.btn-rot{margin:14px 0 0;justify-content:center}
  .nav-toggle:checked ~ .nav{display:flex}
  .nav-toggle:focus-visible ~ .burger{outline:2px solid var(--rot)}
}

/* Sections */
.sec{padding:88px 0;border-bottom:1px solid var(--line)}
.sec-tight{padding:56px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.grid{display:grid;gap:1px;background:var(--line);border:1px solid var(--line)}
.g2{grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
.cell{background:var(--panel);padding:30px 26px}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
@media (max-width:900px){.split{grid-template-columns:1fr;gap:36px}}

/* Hero */
.hero{position:relative;border-bottom:1px solid var(--line);overflow:hidden;background:radial-gradient(ellipse at 80% 20%,rgba(187,51,44,.16),transparent 55%),radial-gradient(ellipse at 10% 90%,rgba(47,127,193,.16),transparent 50%)}
.hero-in{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding-top:72px;padding-bottom:80px}
.hero h1 span{color:var(--rot)}
.hero h1 em{font-style:normal;color:var(--blau-hell)}
@media (max-width:900px){.hero-in{grid-template-columns:1fr;padding-top:48px;padding-bottom:56px;gap:40px}}
.frame{position:relative;border:1px solid var(--line-2);background:var(--panel-2)}
.frame::before,.frame::after{content:"";position:absolute;width:34px;height:34px;pointer-events:none}
.frame::before{top:-11px;left:-11px;border-top:2px solid var(--rot);border-left:2px solid var(--rot)}
.frame::after{bottom:-11px;right:-11px;border-bottom:2px solid var(--blau);border-right:2px solid var(--blau)}
.hero .frame{max-width:440px;justify-self:end;width:100%}
@media (max-width:900px){.hero .frame{justify-self:start;max-width:380px}}
.page-hero{padding:64px 0 56px;border-bottom:1px solid var(--line);background:radial-gradient(ellipse at 85% 0,rgba(187,51,44,.14),transparent 55%),radial-gradient(ellipse at 5% 100%,rgba(47,127,193,.12),transparent 50%)}
.page-hero h1{font-size:clamp(36px,6vw,68px)}

/* Verfahren-Kacheln */
.vf{display:flex;flex-direction:column;gap:12px;color:var(--text);transition:background .15s}
a.vf:hover{background:#191B1E;color:var(--text)}
.vf .tag{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);display:flex;justify-content:space-between}
.vf .tag b{color:var(--rot);font-weight:500}
.vf.wasser .tag b{color:var(--blau-hell)}
.vf.form .tag b{color:var(--stahl)}
a.vf.wasser:hover{background:linear-gradient(180deg,rgba(47,127,193,.12),#191B1E)}
a.vf:not(.wasser):not(.form):hover{background:linear-gradient(180deg,rgba(187,51,44,.12),#191B1E)}
.vf.wasser .more{color:var(--blau-hell)}
.vf.form .more{color:var(--stahl)}
.vf h3{margin:6px 0 0}
.vf p{color:var(--text-2);font-size:16px;margin:0}
.vf .more{margin-top:auto;padding-top:10px;font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--rot-hell)}

/* Projekte */
.pcard{background:var(--panel);display:flex;flex-direction:column;color:var(--text)}
a.pcard:hover{color:var(--text);background:#191B1E}
.pcard .pimg{aspect-ratio:4/3;overflow:hidden;background:#000}
.pcard .pimg img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
a.pcard:hover .pimg img{transform:scale(1.03)}
.pcard .pbody{padding:22px 22px 26px}
.pcard h3{font-size:19px;margin:0 0 6px}
.pcard p{color:var(--text-2);font-size:15.5px;margin:0}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.chip{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;border:1px solid var(--line-2);padding:5px 9px;color:var(--text-2)}
.chip.w{border-color:rgba(47,127,193,.75);color:var(--blau-hell)}
.chip.f{border-color:rgba(187,51,44,.7);color:#F0A19C}

.projekt{display:grid;grid-template-columns:1.2fr .8fr;gap:0;background:var(--panel);border:1px solid var(--line);margin-bottom:28px;scroll-margin-top:96px}
.projekt .gal{background:#000;display:flex;flex-direction:column}
.projekt .gal-main{aspect-ratio:4/3;overflow:hidden;cursor:zoom-in}
.projekt .gal-main img{width:100%;height:100%;object-fit:contain;background:#000}
.projekt .thumbs{display:flex;gap:1px;background:var(--line)}
.projekt .thumbs button{flex:1;max-width:120px;aspect-ratio:1;padding:0;border:0;background:#000;cursor:pointer;opacity:.55;outline-offset:-2px}
.projekt .thumbs button[aria-pressed="true"],.projekt .thumbs button:hover{opacity:1}
.projekt .thumbs img{width:100%;height:100%;object-fit:cover}
.projekt .pinfo{padding:34px 32px;display:flex;flex-direction:column}
.projekt .pinfo .nr{font-family:var(--mono);font-size:12px;letter-spacing:.2em;color:var(--muted);margin-bottom:14px}
.projekt .pinfo h2{font-size:clamp(24px,2.6vw,32px)}
.projekt .pinfo p{color:var(--text-2)}
@media (max-width:900px){.projekt{grid-template-columns:1fr}.projekt .pinfo{padding:26px 22px}}

/* Lightbox */
.lb{border:0;padding:0;background:transparent;max-width:100vw;max-height:100vh;width:100vw;height:100vh;overflow:hidden}
.lb[open]{display:flex;align-items:center;justify-content:center}
.lb::backdrop{background:rgba(5,5,6,.97)}
.lb[open]{flex-direction:column;gap:14px}
.lb img{max-width:calc(100vw - 140px);max-height:72vh;object-fit:contain;user-select:none}
.lb-cap{max-width:min(760px,calc(100vw - 140px));text-align:center;padding:0 8px 34px}
.lb-cap h3{font-size:20px;margin:0 0 6px;color:#fff}
.lb-cap p{margin:0;color:var(--text-2);font-size:15.5px;line-height:1.55}
.lb button{position:fixed;background:rgba(17,18,20,.85);color:#fff;border:1px solid var(--line-2);cursor:pointer;font-family:var(--mono);line-height:1}
.lb button:hover{background:var(--rot);border-color:var(--rot)}
.lb-x{top:14px;right:14px;width:48px;height:48px;font-size:20px}
.lb-prev,.lb-next{top:50%;transform:translateY(-50%);width:56px;height:80px;font-size:40px}
.lb-prev{left:14px}.lb-next{right:14px}
.lb-n{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);font-size:12px;letter-spacing:.2em;color:var(--text-2)}
.lb.single .lb-prev,.lb.single .lb-next,.lb.single .lb-n{display:none}
.lb-n{top:22px;bottom:auto}
@media (max-width:700px){.lb img{max-width:100vw;max-height:58vh}.lb-cap{max-width:100vw;padding:0 16px 84px}.lb-cap p{font-size:14.5px}.lb-prev,.lb-next{top:auto;bottom:10px;transform:none;width:56px;height:56px;font-size:30px}}

/* Ablauf */
.steps{counter-reset:s}
.step{position:relative;padding-top:64px}
.step::before{counter-increment:s;content:"0" counter(s);position:absolute;top:26px;left:26px;font-family:var(--mono);font-size:13px;letter-spacing:.2em;color:var(--blau-hell)}
.step h3{font-size:20px}
.step p{color:var(--text-2);margin:0;font-size:16px}

/* Leistungsblöcke */
.lst{padding:72px 0;border-bottom:1px solid var(--line);scroll-margin-top:72px}
.lst .kicker b.w{color:var(--blau-hell)}
.kicker b.n{color:var(--stahl)}
.kicker b.dot{background:linear-gradient(90deg,var(--rot-hell),var(--blau-hell));-webkit-background-clip:text;background-clip:text;color:transparent}
.specs{margin:24px 0 0;border:1px solid var(--line);display:grid;grid-template-columns:auto 1fr}
.specs dt,.specs dd{margin:0;padding:12px 16px;border-bottom:1px solid var(--line)}
.specs dt{font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);border-right:1px solid var(--line);padding-top:14px}
.specs dd{color:var(--text-2);font-size:16px}
.specs dt:last-of-type,.specs dd:last-of-type{border-bottom:0}
@media (max-width:560px){.specs{grid-template-columns:1fr}.specs dt{border-right:0;border-bottom:0;padding-bottom:0}}
.imgpair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.imgpair img{aspect-ratio:3/4;object-fit:cover;width:100%}

/* CTA */
.cta{border:1px solid var(--line);padding:40px 36px;display:flex;gap:24px;flex-wrap:wrap;align-items:center;justify-content:space-between;background:linear-gradient(120deg,rgba(187,51,44,.14),transparent 45%,transparent 60%,rgba(47,127,193,.14))}
.cta h2{margin:0 0 8px;font-size:clamp(24px,3vw,34px)}
.cta p{margin:0;color:var(--text-2);max-width:560px}

/* Formular */
.form{display:grid;gap:16px}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media (max-width:640px){.frow{grid-template-columns:1fr}}
.form label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.form input,.form textarea{width:100%;background:var(--panel);border:1px solid #2E3134;color:var(--text);font:inherit;font-size:16px;padding:14px;border-radius:0;outline:none}
.form input:focus,.form textarea:focus{border-color:var(--blau)}
.form textarea{min-height:140px;resize:vertical}
.drop{border:1px dashed #4A4E53;padding:26px 18px;text-align:center;cursor:pointer;color:var(--text-2);background:var(--panel-2);display:block}
.drop:hover,.drop.over{border-color:var(--blau-hell);color:var(--text)}
.drop input{position:absolute;opacity:0;width:1px;height:1px}
.drop small{display:block;color:var(--muted);font-size:13px;margin-top:6px}
.filelist{list-style:none;margin:8px 0 0;padding:0;font-family:var(--mono);font-size:13px;color:var(--text-2)}
.filelist li{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-bottom:1px solid var(--line)}
.check{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.check input{width:20px;height:20px;margin-top:3px;accent-color:var(--rot);flex:0 0 auto}
.hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.msg{border:1px solid var(--line-2);padding:22px;background:var(--panel)}
.msg.ok{border-color:#3D7A4F}
.msg.err{border-color:var(--rot)}
.msg h3{margin-bottom:8px}

/* FAQ */
.faq details{border-bottom:1px solid var(--line);padding:18px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--blau-hell)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--text-2);margin:12px 0 0}

/* Liste */
.ticks{list-style:none;padding:0;margin:0}
.ticks li{padding:10px 0 10px 26px;position:relative;border-bottom:1px solid var(--line);color:var(--text-2)}
.ticks li::before{content:"";position:absolute;left:2px;top:19px;width:8px;height:8px;background:var(--blau);transform:rotate(45deg)}
.ticks li b{color:var(--text)}

/* Recht */
.legal{max-width:820px}
.legal h2{font-size:24px;margin-top:40px}
.legal p,.legal li{color:var(--text-2)}

/* Footer */
.site-foot{background:var(--bg-deep);border-top:1px solid transparent;border-image:linear-gradient(90deg,var(--rot),var(--blau)) 1;padding:56px 0 34px;font-size:15px;color:var(--text-2)}
.foot-in{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px}
@media (max-width:760px){.foot-in{grid-template-columns:1fr;gap:28px}}
.site-foot h4{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin:0 0 12px;font-weight:500}
.site-foot a{color:var(--text-2)}
.site-foot a:hover{color:#fff}
.site-foot ul{list-style:none;margin:0;padding:0}
.site-foot li{padding:3px 0}
.foot-base{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:#6B7076}

.reveal{animation:rise .7s ease both}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.reveal{animation:none}html{scroll-behavior:auto}}
.form label.check{font-family:inherit;font-size:15px;letter-spacing:0;text-transform:none;color:var(--text-2);margin:0}
.form label.drop{font-family:inherit;font-size:16px;letter-spacing:0;text-transform:none;color:var(--text-2);margin:0;position:relative}