/* Layout concept: "Grundriss" – ruhige Kalkstein-Fläche, feine Architekturlinien und Maßketten, Schiefer-Tinte mit Messing als einzigem Akzent. */
@font-face{font-family:"Bodoni Moda";src:url("fonts/bodoni-moda-latin-500-normal.woff2") format("woff2");font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:"Bodoni Moda";src:url("fonts/bodoni-moda-latin-500-italic.woff2") format("woff2");font-weight:500;font-style:italic;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url("fonts/hanken-grotesk-latin-400-normal.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url("fonts/hanken-grotesk-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Hanken Grotesk";src:url("fonts/hanken-grotesk-latin-600-normal.woff2") format("woff2");font-weight:600;font-display:swap}

:root{
  --bg:#EDEFEC;          /* Kalkstein, kühl */
  --paper:#F8F9F7;       /* Karten, Flächen */
  --ink:#16222C;         /* Schiefer-Tinte */
  --muted:#4A5862;       /* Fließtext sekundär */
  --line:#CDD3D2;        /* Haarlinien */
  --brass:#86632F;       /* Messing – Akzent (textsicher) */
  --brass-soft:#B8935A;  /* Messing – Linien/Grafik */
  --deep:#16222C;        /* dunkle Bänder */
  --on-deep:#E8ECEA;
  --on-deep-muted:#A9B5BB;
  --font-display:"Bodoni Moda","Bodoni 72","Didot",Georgia,serif;
  --font-body:"Hanken Grotesk","Helvetica Neue",Arial,system-ui,sans-serif;
  --step--1:0.875rem; --step-0:1.0625rem; --step-1:1.3rem; --step-2:1.75rem; --step-3:clamp(2rem,4vw,2.9rem); --step-4:clamp(2.5rem,6.2vw,4.6rem);
  --gutter:clamp(16px,4vw,48px);
  --max:1200px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0F161C; --paper:#151E26; --ink:#E6EAE8; --muted:#A3AFB6; --line:#27343E; --brass:#CFAB72; --brass-soft:#B08D57; --deep:#0A1015; --on-deep:#E6EAE8; --on-deep-muted:#95A2A9; color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0F161C; --paper:#151E26; --ink:#E6EAE8; --muted:#A3AFB6; --line:#27343E; --brass:#CFAB72; --brass-soft:#B08D57; --deep:#0A1015; --on-deep:#E6EAE8; --on-deep-muted:#95A2A9; color-scheme:dark}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:var(--step-0);line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit}
:focus-visible{outline:2px solid var(--brass);outline-offset:3px}
.wrap{max-width:var(--max);margin-inline:auto;padding-inline:var(--gutter)}
h1,h2,h3{font-family:var(--font-display);font-weight:500;line-height:1.08;letter-spacing:-0.01em;text-wrap:balance;margin:0}
h1{font-size:var(--step-4)}
h2{font-size:var(--step-3)}
h3{font-size:var(--step-1);font-family:var(--font-body);font-weight:600;letter-spacing:0;line-height:1.3}
p{margin:0;max-width:65ch}
em{font-style:italic}
.eyebrow{font-size:0.78rem;font-weight:600;letter-spacing:0.16em;text-transform:uppercase;color:var(--brass);display:flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:28px;height:1px;background:currentColor}
.lead{font-size:var(--step-1);line-height:1.5;color:var(--muted)}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:var(--paper);padding:8px 12px;z-index:100}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;font:600 0.95rem/1 var(--font-body);text-decoration:none;border:1px solid var(--ink);transition:background .2s,color .2s,border-color .2s;cursor:pointer}
.btn-solid{background:var(--ink);color:var(--bg)}
.btn-solid:hover{background:var(--brass);border-color:var(--brass);color:var(--bg)}
.btn-line{background:transparent;color:var(--ink)}
.btn-line:hover{border-color:var(--brass);color:var(--brass)}
.btn .arr{transition:transform .2s}.btn:hover .arr{transform:translateX(3px)}

/* Header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{width:40px;height:40px;flex:none}
.brand-name{display:flex;flex-direction:column;line-height:1.05}
.brand-name b{font-family:var(--font-display);font-weight:500;font-size:1.35rem;letter-spacing:0.02em}
.brand-name span{font-size:0.66rem;letter-spacing:0.24em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{text-decoration:none;font-size:0.95rem;font-weight:500;color:var(--muted)}
.nav-links a:hover{color:var(--ink)}
.nav-cta{padding:11px 18px}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--ink);width:44px;height:44px;cursor:pointer}
@media (max-width:900px){
  .menu-btn{display:grid;place-items:center}
  .nav-links{position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px var(--gutter) 20px;display:none}
  .nav-links.open{display:flex}
  .nav-links li a{display:block;padding:14px 0;border-bottom:1px solid var(--line)}
  .nav-links .nav-cta{margin-top:14px;justify-content:center;border-bottom:1px solid var(--ink)}
}

/* Hero */
.hero{padding-block:clamp(48px,8vw,104px) clamp(48px,7vw,88px);border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero-copy{display:flex;flex-direction:column;gap:28px;min-width:0}
.hero h1 em{color:var(--brass)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:var(--step--1);color:var(--muted);padding-top:8px}
.hero-meta span{display:flex;align-items:center;gap:8px}
.hero-meta span::before{content:"";width:6px;height:6px;border:1px solid var(--brass);transform:rotate(45deg)}
.plan{width:100%;height:auto;display:block;color:var(--ink)}
.plan .wall{stroke:var(--ink);stroke-width:5;fill:none;stroke-linecap:square}
.plan .thin{stroke:var(--ink);stroke-width:1;fill:none;opacity:.55}
.plan .dim{stroke:var(--brass-soft);stroke-width:1;fill:none}
.plan .door{stroke:var(--ink);stroke-width:1;fill:none;opacity:.6;stroke-dasharray:3 3}
.plan .room{fill:var(--paper)}
.plan .hl{fill:var(--brass-soft);opacity:.14}
.plan text{font-family:var(--font-body);fill:var(--muted);font-size:11px;letter-spacing:.06em}
.plan .lbl{fill:var(--ink);font-size:12px;font-weight:600;letter-spacing:.02em}
.plan .dimtxt{fill:var(--brass);font-size:10.5px}
.plan .pin{fill:var(--brass-soft)}
.plan-caption{margin-top:12px;font-size:0.8rem;color:var(--muted);display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:10px;letter-spacing:.04em}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.hero-visual{max-width:560px}}

/* Principles strip */
.principles{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--line)}
.principle{padding:28px 24px 30px;border-left:1px solid var(--line);display:flex;flex-direction:column;gap:8px;min-width:0}
.principle:first-child{border-left:0;padding-left:0}
.principle b{font-weight:600;font-size:1rem}
.principle p{font-size:0.92rem;color:var(--muted)}
@media (max-width:900px){.principles{grid-template-columns:1fr 1fr}.principle:nth-child(3){border-left:0;padding-left:0}.principle:nth-child(n+3){border-top:1px solid var(--line)}}
@media (max-width:520px){.principles{grid-template-columns:1fr}.principle{border-left:0;padding-left:0}.principle+.principle{border-top:1px solid var(--line)}}

/* Sections */
.section{padding-block:clamp(64px,9vw,120px)}
.section-head{display:grid;grid-template-columns:1fr 1fr;gap:24px 64px;align-items:end;margin-bottom:clamp(36px,5vw,64px)}
.section-head > div{display:flex;flex-direction:column;gap:18px;min-width:0}
@media (max-width:820px){.section-head{grid-template-columns:1fr}}

/* Core services */
.core{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--ink)}
.core-item{padding:32px 32px 36px 0;display:flex;flex-direction:column;gap:16px;min-width:0}
.core-item + .core-item{padding-left:32px;border-left:1px solid var(--line)}
.core-tag{font-size:0.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--brass);font-weight:600}
.core-item h3{font-family:var(--font-display);font-weight:500;font-size:var(--step-2);line-height:1.1}
.core-item p{color:var(--muted)}
.core-item ul{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-direction:column;gap:0;font-size:0.95rem}
.core-item li{padding:9px 0;border-top:1px solid var(--line);display:flex;gap:10px}
.core-item li::before{content:"–";color:var(--brass)}
.core-quote{font-family:var(--font-display);font-style:italic;font-size:1.15rem;color:var(--ink)}
@media (max-width:900px){.core{grid-template-columns:1fr}.core-item,.core-item+.core-item{padding:28px 0;border-left:0}.core-item+.core-item{border-top:1px solid var(--line)}}

/* Service groups */
.groups{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.group{background:var(--paper);border:1px solid var(--line);padding:32px;display:flex;flex-direction:column;gap:22px;min-width:0}
.group-head{display:flex;justify-content:space-between;align-items:baseline;gap:16px;border-bottom:1px solid var(--line);padding-bottom:16px}
.group-head h3{font-family:var(--font-display);font-weight:500;font-size:1.55rem}
.group-head span{font-size:0.78rem;color:var(--muted);letter-spacing:.08em;white-space:nowrap}
.svc{display:flex;flex-direction:column;gap:6px}
.svc h4{margin:0;font-size:1.02rem;font-weight:600}
.svc p{font-size:0.95rem;color:var(--muted)}
.svc .note{font-size:0.82rem;color:var(--muted);border-left:2px solid var(--brass-soft);padding-left:10px;margin-top:4px}
@media (max-width:820px){.groups{grid-template-columns:1fr}.group{padding:24px}}

/* Band: auswärtige Eigentümer */
.band{background:var(--deep);color:var(--on-deep)}
.band .eyebrow{color:var(--brass-soft)}
.band-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:clamp(32px,6vw,88px);align-items:start}
.band-grid > div{display:flex;flex-direction:column;gap:24px;min-width:0}
.band h2 em{color:var(--brass-soft)}
.band p{color:var(--on-deep-muted)}
.band-list{list-style:none;margin:0;padding:0;border-top:1px solid color-mix(in srgb,var(--on-deep) 18%,transparent)}
.band-list li{display:grid;grid-template-columns:140px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid color-mix(in srgb,var(--on-deep) 18%,transparent);font-size:0.97rem}
.band-list b{font-weight:600;color:var(--on-deep)}
.band-list span{color:var(--on-deep-muted)}
.band .btn-solid{background:var(--on-deep);color:var(--deep);border-color:var(--on-deep)}
.band .btn-solid:hover{background:var(--brass-soft);border-color:var(--brass-soft)}
@media (max-width:860px){.band-grid{grid-template-columns:1fr}}
@media (max-width:480px){.band-list li{grid-template-columns:1fr;gap:2px}}

/* Report sample */
.report{border:1px solid color-mix(in srgb,var(--on-deep) 22%,transparent);padding:24px;font-size:0.9rem}
.report-head{display:flex;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid color-mix(in srgb,var(--on-deep) 18%,transparent);color:var(--on-deep-muted);font-size:0.78rem;letter-spacing:.1em;text-transform:uppercase}
.report table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums}
.report td{padding:10px 0;border-bottom:1px solid color-mix(in srgb,var(--on-deep) 12%,transparent);color:var(--on-deep-muted)}
.report td:last-child{text-align:right;color:var(--on-deep)}
.report .ok{color:var(--brass-soft)!important}
.report-foot{padding-top:12px;font-size:0.76rem;color:var(--on-deep-muted)}

/* Process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:s;border-top:1px solid var(--ink)}
.step{padding:28px 28px 8px 0;display:flex;flex-direction:column;gap:12px;min-width:0;position:relative}
.step + .step{padding-left:28px;border-left:1px solid var(--line)}
.step-no{font-family:var(--font-display);font-size:2.4rem;line-height:1;color:var(--brass)}
.step p{font-size:0.95rem;color:var(--muted)}
@media (max-width:900px){.steps{grid-template-columns:1fr 1fr}.step:nth-child(3){padding-left:0;border-left:0}.step:nth-child(n+3){border-top:1px solid var(--line);padding-top:28px}.step{padding-bottom:28px}}
@media (max-width:520px){.steps{grid-template-columns:1fr}.step,.step+.step{padding-left:0;border-left:0}.step+.step{border-top:1px solid var(--line)}}

/* Audience */
.audience{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.aud{border-top:1px solid var(--line);padding-top:18px;display:flex;flex-direction:column;gap:8px;min-width:0}
.aud b{font-weight:600}
.aud p{font-size:0.94rem;color:var(--muted)}
@media (max-width:900px){.audience{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.audience{grid-template-columns:1fr}}

/* FAQ */
.faq{border-top:1px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:22px 40px 22px 0;font-weight:600;font-size:1.05rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-family:var(--font-display);font-size:1.6rem;color:var(--brass);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq details p{padding:0 0 24px;color:var(--muted)}
.faq-grid{display:grid;grid-template-columns:0.8fr 1.2fr;gap:clamp(32px,6vw,88px)}
.faq-grid > div{min-width:0}
.faq-grid .intro{display:flex;flex-direction:column;gap:18px}
@media (max-width:860px){.faq-grid{grid-template-columns:1fr}}

/* Contact */
.contact{background:var(--paper);border-top:1px solid var(--line)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,88px);align-items:start}
.contact-grid > div{display:flex;flex-direction:column;gap:24px;min-width:0}
.contact-card{border:1px solid var(--line);background:var(--bg)}
.contact-row{display:grid;grid-template-columns:110px 1fr;gap:16px;padding:18px 24px;border-bottom:1px solid var(--line);align-items:baseline}
.contact-row:last-child{border-bottom:0}
.contact-row span{font-size:0.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:600}
.contact-row a,.contact-row address{font-style:normal;font-size:1.05rem;text-decoration:none;word-break:break-word}
.contact-row a:hover{color:var(--brass)}
@media (max-width:480px){.contact-row{grid-template-columns:1fr;gap:4px;padding:16px 18px}}

/* Footer */
.site-footer{background:var(--deep);color:var(--on-deep-muted);font-size:0.9rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;padding-block:56px 40px}
.footer-grid > div{display:flex;flex-direction:column;gap:10px;min-width:0}
.footer-grid b{color:var(--on-deep);font-weight:600;font-size:0.8rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:4px}
.footer-grid a{text-decoration:none}.footer-grid a:hover{color:var(--on-deep)}
.site-footer .brand-name b{color:var(--on-deep)}
.site-footer .brand-name span{color:var(--on-deep-muted)}
.site-footer .brand-mark{color:var(--on-deep)}
.footer-bottom{border-top:1px solid color-mix(in srgb,var(--on-deep) 16%,transparent);padding-block:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:0.82rem}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr}}

/* Legal pages */
.legal{padding-block:clamp(48px,7vw,96px)}
.legal-inner{max-width:760px;display:flex;flex-direction:column;gap:14px}
.legal h1{font-size:var(--step-3);margin-bottom:12px}
.legal h2{font-family:var(--font-body);font-weight:600;font-size:1.15rem;margin-top:26px;letter-spacing:0}
.legal h3{font-size:1rem;margin-top:10px}
.legal p,.legal li{color:var(--muted)}
.legal ul{margin:0;padding-left:20px;display:flex;flex-direction:column;gap:6px}
.legal strong{color:var(--ink);font-weight:600}
.todo{background:#F6E27A;color:#2A2300;padding:1px 5px;font-weight:600}
.back{font-size:0.9rem;color:var(--brass);text-decoration:none;font-weight:600}
.nav-links a.btn-solid{color:var(--bg)}
.nav-links a.btn-solid:hover{color:var(--bg)}