/* Layout: Hallenboden trifft Transparentpapier. Schmale Leseachse, ein großer Grundriss als Herzstück, gelbe Bodenmarkierung als einziger Akzent */
:root{
  --paper:#F2F3F0; --sheet:#FFFFFF; --ink:#1F2329; --muted:#5A626C; --line:#C9CDD2;
  --signal:#E3B20C; --signal-ink:#1F2329; --plan:#2E5B86; --plan-soft:rgba(46,91,134,.08);
  --display:"Big Shoulders Display","Arial Narrow",Impact,sans-serif;
  --body:"Libre Franklin","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --paper:#15181C; --sheet:#1D2126; --ink:#E9EBEE; --muted:#9AA3AD; --line:#353B43;
  --signal:#F2C230; --signal-ink:#15181C; --plan:#8DB6DE; --plan-soft:rgba(141,182,222,.10); color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#15181C; --sheet:#1D2126; --ink:#E9EBEE; --muted:#9AA3AD; --line:#353B43;
  --signal:#F2C230; --signal-ink:#15181C; --plan:#8DB6DE; --plan-soft:rgba(141,182,222,.10); color-scheme:dark}
*{box-sizing:border-box}
body{background:var(--paper);color:var(--ink);font:16px/1.6 var(--body);margin:0}
.wrap{max-width:1040px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.stripe{height:14px;background:repeating-linear-gradient(-45deg,var(--signal) 0 14px,var(--ink) 14px 28px)}
header.wrap{padding-block:18px;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.mark{font:800 22px/1 var(--display);letter-spacing:.06em;text-transform:uppercase}
.mark span{color:var(--muted);font-weight:600}
nav{display:flex;gap:20px;font:500 13px var(--mono);text-transform:uppercase;letter-spacing:.08em}
nav a{color:var(--muted);text-decoration:none}nav a:hover,nav a:focus-visible{color:var(--ink)}
a:focus-visible,button:focus-visible{outline:3px solid var(--signal);outline-offset:3px}

.hero{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:end;padding-block:48px 64px}
.hero>*{min-width:0}
.eyebrow{font:500 12px var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}
h1{font:800 clamp(56px,10vw,118px)/.86 var(--display);text-transform:uppercase;margin:0;letter-spacing:-.005em;text-wrap:balance}
h1 em{font-style:normal;display:inline-block;background:var(--signal);color:var(--signal-ink);padding:0 .12em;margin-left:-.06em}
.claim{font-size:clamp(19px,2.2vw,23px);line-height:1.4;max-width:30ch;margin:26px 0 0;text-wrap:balance}
.claim b{font-weight:600}
.portrait{position:relative;max-width:360px;justify-self:end;width:100%}
.portrait img{display:block;width:100%;aspect-ratio:1;object-fit:cover;filter:grayscale(.15) contrast(1.03);border:1px solid var(--line)}
.portrait figcaption{position:absolute;left:-14px;bottom:18px;background:var(--ink);color:var(--paper);font:500 12px var(--mono);letter-spacing:.06em;padding:8px 12px}

section{padding-block:64px;border-top:1px solid var(--line)}
h2{font:800 clamp(34px,5vw,52px)/1 var(--display);text-transform:uppercase;margin:0 0 20px;text-wrap:balance}
.lead{max-width:62ch;color:var(--muted);margin:0}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin-top:36px}
.fact{background:var(--sheet);padding:24px}
.fact .k{font:500 11px var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.fact .v{font:800 34px/1.05 var(--display);text-transform:uppercase;margin:8px 0 6px}
.fact p{margin:0;font-size:15px;color:var(--muted)}

.plan-head{display:flex;justify-content:space-between;align-items:end;gap:24px;flex-wrap:wrap;margin-bottom:24px}
.tabs{display:flex;border:1px solid var(--ink);flex-wrap:wrap}
.tabs button{font:500 13px var(--mono);letter-spacing:.06em;text-transform:uppercase;background:transparent;color:var(--ink);border:0;padding:11px 16px;cursor:pointer}
.tabs button+button{border-left:1px solid var(--ink)}
.tabs button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.board{display:grid;grid-template-columns:1fr 300px;background:var(--sheet);border:1px solid var(--line)}
.board>*{min-width:0}
.svgbox{overflow-x:auto;padding:24px;background-image:linear-gradient(var(--plan-soft) 1px,transparent 1px),linear-gradient(90deg,var(--plan-soft) 1px,transparent 1px);background-size:24px 24px}
svg{display:block;width:100%;min-width:520px;height:auto}
.wall{fill:none;stroke:var(--ink);stroke-width:7;stroke-linejoin:miter}
.iwall{stroke:var(--ink);stroke-width:3.5}
.new{stroke:var(--signal);stroke-width:4.5}
.gone{stroke:var(--muted);stroke-width:3;stroke-dasharray:6 6;opacity:.7}
.door{fill:none;stroke:var(--muted);stroke-width:1.2}
.rl{font:600 15px var(--body);fill:var(--ink)}
.rs{font:400 12px var(--mono);fill:var(--muted)}
.dim{font:400 11px var(--mono);fill:var(--plan)}
.dl{stroke:var(--plan);stroke-width:1}
.zone{fill:var(--signal);opacity:.14}
.note{border-left:1px solid var(--line);padding:24px;display:flex;flex-direction:column;gap:14px}
.note h3{font:800 26px/1.05 var(--display);text-transform:uppercase;margin:0}
.note p{margin:0;font-size:15px;color:var(--muted)}
.note ul{margin:0;padding-left:18px;font-size:15px}
.tag{align-self:flex-start;font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;background:var(--signal);color:var(--signal-ink);padding:4px 8px}
.legend{display:flex;gap:18px;flex-wrap:wrap;font:400 12px var(--mono);color:var(--muted);margin-top:14px}
.legend i{display:inline-block;width:22px;height:0;border-top:4px solid var(--ink);vertical-align:middle;margin-right:6px}
.legend .n{border-color:var(--signal)}.legend .g{border-top:3px dashed var(--muted)}
.placeholder{font:400 12px var(--mono);color:var(--muted);margin-top:10px}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:32px}
.steps>div{min-width:0;border-top:4px solid var(--ink);padding-top:16px}
.steps .n{font:500 12px var(--mono);color:var(--muted);letter-spacing:.1em}
.steps h3{font:800 24px/1.1 var(--display);text-transform:uppercase;margin:6px 0 8px}
.steps p{margin:0;color:var(--muted);font-size:15px}

.contact{background:var(--ink);color:var(--paper);border:0}
.contact h2{color:var(--paper)}
.contact .lead{color:color-mix(in srgb,var(--paper) 72%,transparent)}
.cta{display:flex;gap:16px;flex-wrap:wrap;margin-top:28px;align-items:center}
.cta .mail{font:500 16px var(--mono);background:var(--signal);color:var(--signal-ink);padding:14px 18px;user-select:all}
.cta button{font:500 13px var(--mono);text-transform:uppercase;letter-spacing:.06em;background:transparent;color:var(--paper);border:1px solid var(--paper);padding:13px 16px;cursor:pointer}
footer{font:400 12px var(--mono);color:var(--muted);padding-block:22px}

@media (max-width:820px){
  .hero{grid-template-columns:1fr;gap:32px;padding-block:28px 48px}
  .portrait{justify-self:start;max-width:300px}
  .facts,.steps{grid-template-columns:1fr}
  .board{grid-template-columns:1fr}.note{border-left:0;border-top:1px solid var(--line)}
  nav{display:none}
}
@media (prefers-reduced-motion:no-preference){.layer{transition:opacity .35s ease}}