/* Standard: helles CAD-Raster (angelehnt an Fusion 360). Dunkle Variante: ?theme=dark */
:root{
  --navy:#031438;
  --navy-2:#06204f;
  --cream:#f1ecde;
  --bg:#dde4e7;
  --grid-minor:rgba(52,80,92,.09);
  --grid-major:rgba(52,80,92,.17);
  --ink:#0b1b3a;
  --muted:#42556b;
  --line:rgba(11,27,58,.26);
  --line-soft:rgba(11,27,58,.13);
  --blue:#1b4db3;
  --panel:#f6f9fa;
  --header-bg:rgba(221,228,231,.92);
  --btn-bg:#031438;
  --btn-ink:#f1ecde;
  --btn-bg-hover:#0a2a63;
  --chip-bg:rgba(255,255,255,.55);
  --display:"Bahnschrift SemiCondensed","Bahnschrift","Oswald","Roboto Condensed","Arial Narrow","Helvetica Neue",Arial,sans-serif;
  --body:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --gutter:20px;
}
:root[data-theme="dark"]{
  --bg:#031438;
  --grid-minor:rgba(241,236,222,.045);
  --grid-major:rgba(241,236,222,.10);
  --ink:#f1ecde;
  --muted:#aab6d0;
  --line:rgba(241,236,222,.26);
  --line-soft:rgba(241,236,222,.12);
  --blue:#78a2f5;
  --panel:#06204f;
  --header-bg:rgba(3,20,56,.92);
  --btn-bg:#f1ecde;
  --btn-ink:#031438;
  --btn-bg-hover:#ffffff;
  --chip-bg:transparent;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background-color:var(--bg);color:var(--ink);font:17px/1.6 var(--body);-webkit-text-size-adjust:100%;
  background-image:
    linear-gradient(var(--grid-major) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-major) 1px,transparent 1px),
    linear-gradient(var(--grid-minor) 1px,transparent 1px),
    linear-gradient(90deg,var(--grid-minor) 1px,transparent 1px);
  background-size:120px 120px,120px 120px,24px 24px,24px 24px;
  background-position:-1px -1px;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--display);font-weight:600;text-transform:uppercase;letter-spacing:.04em;line-height:1.1;margin:0;text-wrap:balance}
p{margin:0}
.wrap{max-width:1120px;margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:var(--bg);padding:10px 14px;z-index:100;border-radius:4px}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:2px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px}
.brand{font-family:var(--display);font-weight:600;letter-spacing:.06em;text-transform:uppercase;text-decoration:none;font-size:17px;line-height:1.1}
.brand small{display:block;font-weight:400;letter-spacing:.14em;font-size:11px;color:var(--muted)}
.nav{display:flex;align-items:center;gap:26px}
.nav a{font-family:var(--display);text-transform:uppercase;letter-spacing:.1em;font-size:14px;text-decoration:none;color:var(--muted)}
.nav a:hover{color:var(--ink)}
.nav .btn-mini{color:var(--btn-ink);background:var(--btn-bg);padding:9px 16px;border-radius:3px;font-weight:600}
.nav .btn-mini:hover{color:var(--btn-ink);background:var(--btn-bg-hover)}
@media (max-width:760px){.nav a:not(.btn-mini){display:none}}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 24px;border-radius:3px;font-family:var(--display);font-weight:600;font-size:16px;letter-spacing:.1em;text-transform:uppercase;text-decoration:none;border:1.5px solid var(--ink);transition:background .15s,color .15s}
.btn.primary{background:var(--btn-bg);color:var(--btn-ink);border-color:var(--btn-bg)}
.btn.primary:hover{background:var(--btn-bg-hover);border-color:var(--btn-bg-hover)}
.btn.ghost{color:var(--ink)}
.btn.ghost:hover{background:var(--line-soft)}

.rule{display:flex;align-items:center;gap:16px;color:var(--blue);font-family:var(--display);text-transform:uppercase;letter-spacing:.3em;font-size:14px}
.rule::before,.rule::after{content:"";flex:1;height:1px;background:var(--line)}
.cross{width:22px;height:22px;flex:none}

/* Hero */
.hero{padding:80px 0 56px}
.kicker{font-family:var(--display);text-transform:uppercase;letter-spacing:.22em;font-size:14px;color:var(--blue);margin-bottom:18px}
.hero h1{font-size:clamp(40px,8vw,84px);letter-spacing:.03em}
.hero .owner{margin-top:14px;font-family:var(--display);font-size:clamp(18px,3vw,26px);letter-spacing:.06em}
.lead{margin-top:22px;max-width:56ch;font-size:19px;color:var(--muted)}
.hero-cta{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.specs{margin-top:44px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px 34px;font-family:var(--display);text-transform:uppercase;letter-spacing:.14em;font-size:14px;color:var(--muted)}
.specs b{color:var(--ink);font-weight:600}

/* Sections */
section{padding:72px 0}
.hero + section,section + section{border-top:1px solid var(--line)}
.sec-head{margin-bottom:36px;max-width:60ch}
.sec-head .kicker{margin-bottom:10px}
.sec-head h2{font-size:clamp(28px,4.4vw,42px)}
.sec-head p{margin-top:12px;color:var(--muted)}

/* Leistungen: Navy-Kacheln wie auf der Visitenkarte */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media (max-width:980px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:520px){.cards{grid-template-columns:1fr}}
.card{border:1px solid var(--line);border-radius:10px;background:linear-gradient(180deg,#fafcfd,#e6edf1);color:var(--ink);padding:22px 20px 24px;display:flex;flex-direction:column;align-items:center;text-align:center;box-shadow:0 4px 14px rgba(11,27,58,.10)}
.card img{height:170px;width:auto;object-fit:contain;margin-bottom:16px}
.card h3{font-size:19px;color:var(--blue);letter-spacing:.08em}
.card p{margin-top:8px;font-size:16px}
:root[data-theme="dark"] .card{background:linear-gradient(180deg,var(--navy-2),var(--navy));color:var(--cream);border-color:rgba(120,162,245,.35)}
:root[data-theme="dark"] .card img{filter:invert(1) brightness(1.15)}
.chips{margin:28px 0 0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:10px}
.chips li{border:1px solid var(--line);background:var(--chip-bg);border-radius:100px;padding:8px 16px;font-family:var(--display);text-transform:uppercase;letter-spacing:.1em;font-size:14px}

/* Galerie */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px;margin:0;padding:0;list-style:none}
.shot{margin:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel)}
.shot img{width:100%;aspect-ratio:4/3;object-fit:cover}
.shot figcaption{padding:14px 16px 16px}
.shot strong{display:block;font-family:var(--display);text-transform:uppercase;letter-spacing:.06em;font-size:17px;font-weight:600}
.shot span{display:block;margin-top:2px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--blue);font-family:var(--display)}
.note{margin-top:22px;color:var(--muted);font-size:15px}

/* Ablauf */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;counter-reset:s}
.steps li{counter-increment:s;border-top:2px solid var(--blue);padding-top:16px}
.steps li::before{content:"0" counter(s);font-family:var(--display);font-size:30px;color:var(--blue);letter-spacing:.06em}
.steps h3{font-size:19px;margin:6px 0 6px}
.steps p{color:var(--muted);font-size:16px}

/* Über mich / Kontakt */
.two{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
@media (max-width:860px){.two{grid-template-columns:1fr;gap:28px}}
.about p+p{margin-top:14px}
.about p{max-width:62ch}
.panel{border:1px solid var(--line);border-radius:12px;background:var(--panel);padding:26px 24px}
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:18px}
.contact-list .lab{display:block;font-family:var(--display);text-transform:uppercase;letter-spacing:.18em;font-size:13px;color:var(--blue);margin-bottom:2px}
.contact-list a{font-size:21px;font-weight:500;overflow-wrap:anywhere;text-decoration:none;border-bottom:1px solid var(--blue);padding-bottom:3px}
.contact-cta{margin-top:24px}
.tips{margin:22px 0 0;padding:18px 0 0;border-top:1px solid var(--line);color:var(--muted);font-size:15.5px}
.tips ul{margin:8px 0 0;padding-left:20px}
.tips li{margin:3px 0}
.card-pic{margin-top:26px;border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 6px 18px rgba(3,20,56,.18)}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:30px 0 44px;color:var(--muted);font-size:14.5px}
.foot{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;align-items:flex-start}
.foot nav{display:flex;gap:22px}
.foot a{color:var(--ink)}

/* Rechtstexte */
.legal{padding:56px 0 72px}
.legal .wrap{max-width:820px}
.legal h1{font-size:clamp(32px,6vw,48px);margin-bottom:26px}
.legal h2{font-size:21px;margin:34px 0 10px;color:var(--blue);letter-spacing:.06em}
.legal p+p{margin-top:12px}
.legal ul{padding-left:22px}
.legal .todo{background:rgba(27,77,179,.08);border:1px dashed var(--blue);padding:12px 14px;border-radius:6px;font-size:15px;margin-top:12px}

/* Materialien */
.mats{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.mat{border:1px solid var(--line);border-radius:10px;background:var(--panel);padding:20px 20px 22px}
.mat h3{font-size:20px;color:var(--blue);letter-spacing:.08em;margin-bottom:8px}
.mat p{font-size:16px;color:var(--ink)}

/* Hellblauer Streifen (Ablauf) */
.band-blue{background:#c5d5e6;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-blue .steps p{color:#2f4258}
:root[data-theme="dark"] .band-blue{background:var(--navy-2)}
:root[data-theme="dark"] .band-blue .steps p{color:var(--muted)}

/* Kontakt: dunkel, weißes Formular */
.contact-dark{background:var(--navy);color:var(--cream);border-top:1px solid var(--navy)}
.contact-dark .kicker,.contact-dark .contact-list .lab{color:#78a2f5}
.contact-dark .sec-head p,.contact-dark .tips,.contact-dark .note{color:#aab6d0}
.contact-dark .tips{border-top-color:rgba(241,236,222,.26)}
.contact-dark .contact-list a{color:var(--cream);border-bottom-color:#78a2f5}
.contact-dark .btn.primary{background:var(--cream);color:var(--navy);border-color:var(--cream)}
.contact-dark .btn.primary:hover{background:#fff;border-color:#fff}
.contact-dark :focus-visible{outline-color:#9db9f2}
.contact-dark .card-pic{border-color:rgba(241,236,222,.3);box-shadow:none}
.inquiry{display:grid;gap:8px}
.inquiry label{font-family:var(--display);text-transform:uppercase;letter-spacing:.14em;font-size:13px;color:#aab6d0;margin-top:8px}
.inquiry input,.inquiry textarea{width:100%;background:#fff;color:#0b1b3a;border:2px solid transparent;border-radius:8px;padding:14px 16px;font:16px/1.4 var(--body)}
.inquiry textarea{resize:vertical;min-height:130px}
.inquiry input::placeholder,.inquiry textarea::placeholder{color:#6b7a90}
.inquiry .btn{margin-top:14px;width:100%}
.form-note{font-size:13.5px;color:#aab6d0;margin-top:6px}

/* Fußzeile passend dunkel */
.site-footer{background:var(--navy);border-top:1px solid rgba(241,236,222,.2);color:#aab6d0}
.site-footer .foot a{color:var(--cream)}

/* Farbübersicht */
.fav{border-left:4px solid var(--blue);background:var(--panel);border-radius:0 10px 10px 0;padding:18px 22px;margin-bottom:34px;max-width:70ch}
.fav h2{font-size:22px;margin-bottom:6px}
.farb-sec{margin-bottom:40px}
.farb-sec h2{font-size:clamp(24px,3.6vw,32px);padding-bottom:8px;border-bottom:1px solid var(--line)}
.farb-note{color:var(--muted);margin:10px 0 4px}
.farb-sub{font-size:15px;letter-spacing:.14em;color:var(--blue);margin:20px 0 4px}
.swatches{list-style:none;margin:12px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.swatch{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;padding:14px 10px;border:1px solid var(--line);border-radius:10px;background:var(--panel);text-decoration:none;transition:transform .15s,border-color .15s}
.swatch:hover{transform:translateY(-2px);border-color:var(--blue)}
.dot{width:54px;height:54px;border-radius:50%;box-shadow:inset 0 0 0 1px rgba(0,0,0,.18),inset 0 -6px 10px rgba(0,0,0,.12)}
.dot.light{box-shadow:inset 0 0 0 1px rgba(11,27,58,.35),inset 0 -6px 10px rgba(0,0,0,.06)}
.sw-name{font-size:14.5px;line-height:1.25}
.sw-tag{font-family:var(--display);text-transform:uppercase;letter-spacing:.1em;font-size:11px;color:var(--blue)}