/* F. Gewalt – Softwareengineering
   Layout: eine Inhaltsspalte (max. 1180px), fester Kopf, Startseite mit Hero (Text | Kontaktplan),
   Unterseiten mit Kopfband und Prosa. Keine externen Ressourcen, keine Webfonts. */

:root {
  --bg: #F3F4F8;
  --surface: #FFFFFF;
  --surface-2: #E9EAF3;
  --ink: #151432;
  --muted: #55557A;
  --line: #D6D7E6;
  --brand: #4A33AE;
  --brand-ink: #FFFFFF;
  --brand-soft: #E8E4F8;
  --signal: #E39A00;
  --foot-bg: #151432;
  --foot-ink: #ECECF7;
  --foot-muted: #A9A9C8;
  --foot-line: #34345A;

  --font-display: Bahnschrift, "DIN Alternate", "DIN 1451 Std", "Roboto Condensed", "Arial Narrow", "Segoe UI", system-ui, sans-serif;
  --font-body: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Cascadia Mono", ui-monospace, Consolas, "SF Mono", Menlo, monospace;
  --radius: 6px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F0F1E;
    --surface: #181832;
    --surface-2: #1F1F3D;
    --ink: #ECECF7;
    --muted: #A9A9C8;
    --line: #2E2E52;
    --brand: #A292FF;
    --brand-ink: #0F0F1E;
    --brand-soft: #27234F;
    --signal: #FFC233;
    --foot-bg: #0A0A16;
    --foot-ink: #ECECF7;
    --foot-muted: #A9A9C8;
    --foot-line: #26264A;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F0F1E;
  --surface: #181832;
  --surface-2: #1F1F3D;
  --ink: #ECECF7;
  --muted: #A9A9C8;
  --line: #2E2E52;
  --brand: #A292FF;
  --brand-ink: #0F0F1E;
  --brand-soft: #27234F;
  --signal: #FFC233;
  --foot-bg: #0A0A16;
  --foot-ink: #ECECF7;
  --foot-muted: #A9A9C8;
  --foot-line: #26264A;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
}
body::before {
  content: "";
  position: fixed;
  inset: 0 0 auto;
  height: env(safe-area-inset-top, 0px);
  background: var(--surface);
  z-index: 30;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--font-display); line-height: 1.12; margin: 0; text-wrap: balance; letter-spacing: 0.002em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; }
.skip { position: absolute; left: -999px; top: 0; background: var(--brand); color: var(--brand-ink); padding: 8px 14px; z-index: 50; }
.skip:focus { left: 8px; top: 8px; }

.wrap {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* ---------- Kopf ---------- */
.site-head {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 40;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.site-head .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 6px 28px; padding-block: 12px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); min-width: 0; }
.brand svg { flex: none; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; line-height: 1.05; }
.brand-sub { display: block; font-family: var(--font-body); font-weight: 400; font-size: 0.8125rem; color: var(--muted); letter-spacing: 0.02em; }
.nav { display: flex; flex-wrap: wrap; gap: 2px 22px; list-style: none; }
.nav a { display: block; padding: 8px 0 6px; color: var(--ink); text-decoration: none; font-size: 0.97rem; border-bottom: 3px solid transparent; }
.nav a:hover { border-bottom-color: var(--line); }
.nav a[aria-current="page"] { border-bottom-color: var(--brand); font-weight: 600; }
@media (max-width: 720px) {
  .site-head { position: static; }
  body::before { display: none; }
}

/* ---------- Bausteine ---------- */
.section { padding-block: 72px; }
.section + .section { padding-top: 0; }
.section-title { font-size: clamp(1.7rem, 3.2vw, 2.4rem); font-weight: 700; max-width: 22ch; }
.section-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 32px; margin-bottom: 32px; }
.more { font-weight: 600; }
.lead { font-size: 1.2rem; line-height: 1.55; max-width: 62ch; }
.prose { max-width: 68ch; }
.prose > * + * { margin-top: 1em; }
.btn { display: inline-block; padding: 13px 22px; border-radius: 4px; font-weight: 600; text-decoration: none; border: 2px solid var(--brand); line-height: 1.2; }
.btn-primary { background: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.btn-ghost { color: var(--brand); background: transparent; }
.btn-ghost:hover { background: var(--brand-soft); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }

.ticks { list-style: none; display: grid; gap: 10px; }
.ticks li { position: relative; padding-left: 24px; }
.ticks li::before { content: ""; position: absolute; left: 0; top: 0.62em; width: 9px; height: 9px; background: var(--brand); }

/* ---------- Hero ---------- */
.hero { padding-block: 64px 56px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(2.5rem, 5.6vw, 4.4rem); font-weight: 700; line-height: 1; letter-spacing: -0.01em; }
.hero .lead { margin-top: 24px; }
.hero .btn-row { margin-top: 32px; }
.plc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 20px 16px; }
.plc svg { width: 100%; height: auto; display: block; }
.plc figcaption { margin-top: 12px; font-size: 0.875rem; color: var(--muted); }
.plc .rail { stroke: var(--ink); stroke-width: 4; fill: none; stroke-linecap: square; }
.plc .wire { stroke: var(--line); stroke-width: 3; fill: none; }
.plc .sym { stroke: var(--ink); stroke-width: 3; fill: none; stroke-linecap: butt; }
.plc .live { stroke: var(--signal); stroke-width: 3.5; fill: none; stroke-dasharray: 11 7; animation: flow 1.3s linear infinite; }
.plc .addr { font-family: var(--font-mono); font-size: 13.5px; font-weight: 600; fill: var(--brand); }
.plc .cmt { font-family: var(--font-body); font-size: 13.5px; fill: var(--muted); }
@keyframes flow { to { stroke-dashoffset: -18; } }
@media (prefers-reduced-motion: reduce) { .plc .live { animation: none; stroke-dasharray: none; } html { scroll-behavior: auto; } }
@media (max-width: 900px) { .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 40px; } .hero { padding-block: 40px 40px; } }

.facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px 40px; margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--line); }
.facts dt { font-family: var(--font-display); font-size: 1.5rem; font-weight: 700; line-height: 1.15; }
.facts dd { margin: 4px 0 0; color: var(--muted); font-size: 0.97rem; }
@media (max-width: 720px) { .facts { grid-template-columns: minmax(0, 1fr); margin-top: 40px; } }

/* ---------- Leistungen (Startseite) ---------- */
.areas { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.area { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; display: flex; flex-direction: column; gap: 16px; }
.area h3 { font-size: 1.6rem; }
.area .ticks { margin-top: 4px; }
@media (max-width: 800px) { .areas { grid-template-columns: minmax(0, 1fr); } .area { padding: 24px; } }

.principles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; list-style: none; }
.principles li { padding: 22px 0; border-top: 1px solid var(--line); font-size: 1.1rem; }
@media (max-width: 800px) { .principles { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Produkte ---------- */
.tiles { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.tile { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; color: var(--ink); }
.tile:hover { border-color: var(--brand); }
.tile-img { position: relative; aspect-ratio: 16 / 10; background: var(--surface-2); border-bottom: 1px solid var(--line); display: grid; place-items: center; overflow: hidden; }
.tile-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: top left; }
.tile-img img.small { position: static; inset: auto; width: auto; height: auto; max-width: 70%; object-fit: initial; border: 1px solid var(--line); }
.tile-body { padding: 22px 24px 26px; display: flex; flex-direction: column; gap: 6px; }
.tile h3 { font-size: 1.4rem; }
.tile p { color: var(--muted); }
.tile .go { margin-top: 10px; color: var(--brand); font-weight: 600; }
@media (max-width: 900px) { .tiles { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Kunden ---------- */
.clients { list-style: none; display: flex; flex-wrap: wrap; gap: 10px 14px; }
.clients li { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; padding: 8px 16px; background: var(--surface); border: 1px solid var(--line); border-radius: 4px; }

/* ---------- Kontaktband ---------- */
.cta { background: var(--brand); color: var(--brand-ink); }
.cta .wrap { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: 32px 56px; align-items: center; padding-block: 56px; }
.cta h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
.cta a { color: inherit; }
.cta address { font-style: normal; line-height: 1.7; }
.cta .btn { background: var(--brand-ink); color: var(--brand); border-color: var(--brand-ink); margin-top: 18px; }
.cta .btn:hover { background: transparent; color: var(--brand-ink); }
@media (max-width: 800px) { .cta .wrap { grid-template-columns: minmax(0, 1fr); } }

/* ---------- Unterseiten ---------- */
.page-head { padding-block: 40px 40px; border-bottom: 1px solid var(--line); background: var(--surface); }
.crumbs { font-size: 0.9rem; color: var(--muted); margin-bottom: 14px; }
.crumbs ol { list-style: none; display: flex; flex-wrap: wrap; gap: 4px 10px; }
.crumbs li + li::before { content: "/"; margin-right: 10px; color: var(--line); }
.crumbs a { color: var(--muted); }
.page-head h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); font-weight: 700; }
.page-head .lead { margin-top: 16px; }
.page { padding-block: 56px 80px; }
.page > .wrap > * + * { margin-top: 56px; }

.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 48px; align-items: start; }
.split h2 { font-size: 1.8rem; margin-bottom: 18px; }
.split .ticks { margin-top: 18px; }
@media (max-width: 860px) { .split { grid-template-columns: minmax(0, 1fr); gap: 28px; } }

.photo { margin: 0; }
.photo img { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; width: 100%; }
.photo figcaption { margin-top: 8px; font-size: 0.875rem; color: var(--muted); }

.price { background: var(--brand-soft); border-radius: var(--radius); padding: 32px; display: grid; grid-template-columns: minmax(0, 0.45fr) minmax(0, 1fr); gap: 16px 40px; align-items: center; }
.price h2 { font-size: 1.8rem; }
.price strong { font-family: var(--font-display); font-size: 1.5rem; }
@media (max-width: 800px) { .price { grid-template-columns: minmax(0, 1fr); padding: 24px; } }

.refs { list-style: none; border-bottom: 1px solid var(--line); }
.refs li { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 4px 28px; padding: 18px 0; border-top: 1px solid var(--line); align-items: baseline; }
.refs .what { font-family: var(--font-display); font-size: 1.25rem; font-weight: 600; line-height: 1.2; }
.refs .what small { font-family: var(--font-body); font-weight: 400; font-size: 0.9rem; color: var(--muted); margin-left: 6px; }
.refs .who { color: var(--muted); }
.refs .who a { color: var(--ink); }
.refs .prod { font-weight: 600; font-size: 0.95rem; justify-self: end; }
@media (max-width: 720px) { .refs li { grid-template-columns: minmax(0, 1fr); } }

/* Produktseiten */
.intro { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 40px; align-items: start; }
.intro figure { margin: 0; }
.intro img { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
@media (max-width: 720px) { .intro { grid-template-columns: minmax(0, 1fr); } .intro figure { max-width: 220px; } }
.toc { display: flex; flex-wrap: wrap; gap: 8px 10px; list-style: none; }
.toc a { display: block; padding: 7px 14px; border: 1px solid var(--line); border-radius: 4px; background: var(--surface); text-decoration: none; color: var(--ink); font-size: 0.95rem; }
.toc a:hover { border-color: var(--brand); color: var(--brand); }
.step { scroll-margin-top: 96px; display: grid; gap: 18px; }
.step h2 { font-size: 1.9rem; }
.step .shots { display: grid; gap: 28px; }
.shot { margin: 0; display: grid; gap: 12px; justify-items: start; }
.shot img { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 1px 0 var(--line); }
.shot p { max-width: 68ch; }
.methods { list-style: none; display: grid; gap: 28px; counter-reset: m; }
.pager { display: flex; flex-wrap: wrap; gap: 12px 32px; padding-top: 24px; border-top: 1px solid var(--line); }
.facts-inline { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 32px; max-width: 560px; }
.facts-inline dt { color: var(--muted); font-size: 0.9rem; }
.facts-inline dd { margin: 0; font-weight: 600; }

/* Downloads */
.revisions { display: grid; gap: 40px; }
.rev { padding-top: 28px; border-top: 1px solid var(--line); display: grid; gap: 8px; }
.rev h2 { font-size: 1.3rem; }
.rev .date { color: var(--muted); font-size: 0.95rem; }
.note { background: var(--brand-soft); padding: 14px 18px; border-radius: var(--radius); max-width: 68ch; }

/* Kontakt + Formulare */
.contact { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: 56px; align-items: start; }
@media (max-width: 860px) { .contact { grid-template-columns: minmax(0, 1fr); gap: 36px; } }
.contact address { font-style: normal; display: grid; gap: 16px; }
.contact dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 0; }
.contact dt { color: var(--muted); }
.contact dd { margin: 0; overflow-wrap: anywhere; }
.form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.form .full { grid-column: 1 / -1; }
.form label { display: block; font-weight: 600; font-size: 0.95rem; margin-bottom: 6px; }
.form input, .form textarea { width: 100%; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--muted); border-radius: 4px; padding: 11px 12px; }
.form textarea { min-height: 150px; resize: vertical; }
.form .hint { font-size: 0.9rem; color: var(--muted); }
.form .req { color: var(--brand); }
@media (max-width: 560px) { .form { grid-template-columns: minmax(0, 1fr); padding: 20px; } }

.legal h2 { font-size: 1.4rem; margin-top: 2em; }
.legal h2:first-child { margin-top: 0; }
.legal p, .legal ul { max-width: 72ch; }
.legal p + p, .legal p + ul, .legal ul + p, .legal h2 + p { margin-top: 0.9em; }
.legal ul { padding-left: 1.3em; }
.legal li { margin-top: 0.3em; }
.legal a { overflow-wrap: anywhere; }

/* ---------- Fuß ---------- */
.site-foot { background: var(--foot-bg); color: var(--foot-ink); margin-top: 0; }
.site-foot .wrap { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(0, 1fr); gap: 32px 48px; padding-block: 48px 40px; }
.site-foot h2 { font-size: 1.05rem; margin-bottom: 12px; }
.site-foot address { font-style: normal; color: var(--foot-muted); line-height: 1.7; }
.site-foot a { color: var(--foot-ink); }
.site-foot ul { list-style: none; display: grid; gap: 6px; }
.site-foot .copy { grid-column: 1 / -1; border-top: 1px solid var(--foot-line); padding-top: 20px; color: var(--foot-muted); font-size: 0.9rem; }
@media (max-width: 800px) { .site-foot .wrap { grid-template-columns: minmax(0, 1fr); } }

.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* Bilder-Karussell (Leistungen, Website Erstellung) */
.slider-frame { position: relative; }
.slider-track { list-style: none; margin: 0; padding: 0; display: flex; overflow-x: auto; scroll-snap-type: x mandatory; scroll-behavior: smooth; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); scrollbar-width: none; }
.slider-track::-webkit-scrollbar { display: none; }
.slider-track:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; }
.slide { flex: 0 0 100%; min-width: 0; aspect-ratio: 1 / 1; padding: 10px; scroll-snap-align: center; }
.slide a { display: block; width: 100%; height: 100%; }
.slider .slide img { width: 100%; height: 100%; object-fit: contain; border: 0; border-radius: 0; background: transparent; }
.slider-btn { position: absolute; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; display: grid; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--ink); cursor: pointer; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25); }
.slider-btn[hidden] { display: none; }
.slider-btn:hover { border-color: var(--brand); color: var(--brand); }
.slider-btn[disabled] { opacity: 0.35; cursor: default; border-color: var(--line); color: var(--ink); }
.slider-btn svg { width: 20px; height: 20px; }
.slider-btn.prev { left: 10px; }
.slider-btn.next { right: 10px; }
@media (prefers-reduced-motion: reduce) { .slider-track { scroll-behavior: auto; } }

/* Einzelbilder auf der Leistungen-Seite: Klick öffnet das Bild in voller Größe */
.photo > a { display: block; cursor: zoom-in; border-radius: var(--radius); }
.photo > a:hover img { border-color: var(--brand); }

/* Bildansicht (Lightbox) auf der Leistungen-Seite: Fenster in Bildgröße, das Bild wird nie über seine Originalgröße hinaus vergrößert */
html.lb-open { overflow: hidden; }
.lightbox { border: 0; padding: 12px; margin: auto; width: fit-content; height: fit-content; max-width: 96vw; max-height: 96vh; background: var(--surface); color: var(--ink); border-radius: var(--radius); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45); overflow: visible; }
.lightbox::backdrop { background: rgba(10, 10, 25, 0.55); }
.lightbox[open] { display: flex; flex-direction: column; gap: 10px; }
.lb-img { display: block; width: auto; height: auto; max-width: calc(96vw - 24px); max-height: calc(96vh - 110px); object-fit: contain; align-self: center; background: #fff; border-radius: 3px; }
.lb-cap { margin: 0; width: 0; min-width: 100%; font-size: 0.9rem; line-height: 1.4; color: var(--muted); text-align: center; }
.lb-btn { position: absolute; width: 44px; height: 44px; display: grid; place-items: center; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: var(--surface); color: var(--ink); cursor: pointer; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.35); }
.lb-btn[hidden] { display: none; }
.lb-btn:hover { border-color: var(--brand); color: var(--brand); }
.lb-btn[disabled] { opacity: 0.35; cursor: default; border-color: var(--line); color: var(--ink); }
.lb-btn svg { width: 20px; height: 20px; }
.lb-close { top: -14px; right: -14px; }
.lb-nav { top: calc(50% - 40px); }
.lb-prev { left: 20px; }
.lb-next { right: 20px; }

  /* SPS-Animation auf der Leistungen-Seite (alles unter .sps-anim) */
  .sps-anim{
    --bg:#070d1a; --panel:#0c1527; --line:#1d2b48; --wire:#2a4877;
    --on:#2ef2a0; --amber:#ffb627; --cyan:#4cc9f0; --red:#ff4d6d;
    --txt:#b7c5de; --dim:#5d6f93;
    font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
    color:var(--txt);
    background:
      radial-gradient(1200px 500px at 15% -10%, rgba(76,201,240,.10), transparent 60%),
      radial-gradient(900px 500px at 110% 110%, rgba(46,242,160,.08), transparent 60%),
      var(--bg);
    border:1px solid var(--line); border-radius:20px; padding:16px;
    display:grid; grid-template-columns:1.5fr 1fr; gap:14px;
    width:100%; max-width:1240px; box-sizing:border-box;
    box-shadow:0 30px 80px rgba(0,0,0,.45);
  }
  .sps-anim *{box-sizing:border-box}
  .sps-anim .panel{background:linear-gradient(180deg,rgba(255,255,255,.015),transparent),var(--panel);
    border:1px solid var(--line); border-radius:13px; overflow:hidden; display:flex; flex-direction:column}
  .sps-anim .head{display:flex;justify-content:space-between;align-items:center;gap:10px;
    padding:9px 14px;border-bottom:1px solid var(--line);font-size:11px;letter-spacing:.14em;
    text-transform:uppercase;color:var(--dim)}
  .sps-anim .head b{color:var(--txt);font-weight:600}
  .sps-anim .badge{display:inline-flex;align-items:center;gap:6px;padding:3px 8px;border-radius:99px;
    border:1px solid rgba(46,242,160,.35);color:var(--on);font-size:10px}
  .sps-anim .dot{width:6px;height:6px;border-radius:50%;background:var(--on);box-shadow:0 0 8px var(--on);
    animation:sps-pulse 1.6s ease-in-out infinite}
  @keyframes sps-pulse{50%{opacity:.35}}
  .sps-anim svg{display:block;width:100%;height:auto;flex:1}
  .sps-anim text{font-family:inherit}
  @media (max-width:900px){.sps-anim{grid-template-columns:1fr}}

  /* Anlage */
  .sps-anim .lbl{fill:var(--dim);font-size:10px;letter-spacing:.06em}
  .sps-anim .lbl-b{fill:var(--txt);font-size:10px;font-weight:600;letter-spacing:.06em}
  .sps-anim .led{fill:#13261f;transition:fill .08s}
  .sps-anim .led.on{fill:var(--on);filter:drop-shadow(0 0 4px var(--on))}
  .sps-anim .lamp{transition:fill .15s, filter .15s}
  .sps-anim .cab{fill:none;stroke:#1a2843;stroke-width:2;stroke-linejoin:round}
  .sps-anim .cab.on{stroke-dasharray:6 7;animation:sps-flow .5s linear infinite}
  .sps-anim .cab.in.on{stroke:var(--cyan);filter:drop-shadow(0 0 3px var(--cyan))}
  .sps-anim .cab.out.on{stroke:var(--amber);filter:drop-shadow(0 0 3px var(--amber))}
  @keyframes sps-flow{to{stroke-dashoffset:-13}}
  .sps-anim .stamp{opacity:0;transition:opacity .2s}
  .sps-anim .done .stamp{opacity:1}

  /* Bedienelemente */
  .sps-anim .sps-btn{cursor:pointer;outline:none;-webkit-tap-highlight-color:transparent}
  .sps-anim .sps-btn:focus-visible .ring{stroke:#fff;stroke-width:2.5}
  .sps-anim .mush,.sps-anim .cap{transition:transform .12s ease-out;transform-box:fill-box;transform-origin:center}
  .sps-anim .sps-btn:hover .mush{transform:scale(1.04)}
  .sps-anim .estop-on .mush,.sps-anim .estop-on:hover .mush{transform:scale(.8)}
  .sps-anim .pressed .cap{transform:scale(.85)}
  .sps-anim .startring{opacity:0}
  .sps-anim .ack .startring{animation:sps-ring .9s ease-in-out infinite}
  @keyframes sps-ring{0%,100%{opacity:.15}50%{opacity:1}}
  .sps-anim.alarm .panel{border-color:rgba(255,77,109,.55);animation:sps-alarm 1s ease-in-out infinite}
  @keyframes sps-alarm{50%{box-shadow:0 0 0 1px rgba(255,77,109,.45),0 0 28px rgba(255,77,109,.22)}}
  .sps-anim .badge.alarm{border-color:rgba(255,77,109,.5);color:var(--red)}
  .sps-anim .badge.alarm .dot{background:var(--red);box-shadow:0 0 8px var(--red);animation-duration:.5s}
  .sps-anim .badge.wait{border-color:rgba(255,182,39,.5);color:var(--amber)}
  .sps-anim .badge.wait .dot{background:var(--amber);box-shadow:0 0 8px var(--amber)}

  /* KOP / Ladder */
  .sps-anim .sps-rail{stroke:#3b5584;stroke-width:3}
  .sps-anim .w{stroke:var(--wire);stroke-width:2;stroke-dasharray:4 4;transition:stroke .1s}
  .sps-anim .w.on{stroke:var(--on);stroke-dasharray:none;filter:drop-shadow(0 0 3px rgba(46,242,160,.8))}
  .sps-anim .ct line,.sps-anim .ct path{stroke:#55709f;stroke-width:2.4;fill:none;stroke-linecap:round}
  .sps-anim .ct.on line,.sps-anim .ct.on path{stroke:var(--on);filter:drop-shadow(0 0 4px rgba(46,242,160,.9))}
  .sps-anim .fb rect{fill:#0f1c33;stroke:#55709f;stroke-width:1.6}
  .sps-anim .fb.on rect{stroke:var(--on);filter:drop-shadow(0 0 4px rgba(46,242,160,.6))}
  .sps-anim .ln{fill:var(--dim);font-size:10px}
  .sps-anim .la{fill:var(--cyan);font-size:10.5px}
  .sps-anim .cm{fill:#43557a;font-size:10px;letter-spacing:.05em}
  .sps-anim .fbt{fill:var(--txt);font-size:10.5px;font-weight:600}
  .sps-anim .val{fill:var(--amber);font-size:10.5px}

.sps-demo { margin-top: 64px; }
.sps-demo:first-child { margin-top: 0; }
.sps-demo .lead { margin: 14px 0 28px; }
.sps-anim { margin-inline: auto; }
.sps-anim, .sps-anim text { -webkit-user-select: none; user-select: none; }
@media (max-width: 560px) { .sps-anim { padding: 10px; gap: 10px; border-radius: 14px; } }

/* Vergrößerte Ansicht der SPS-Animation */
.sps-anim .sps-tools { display: inline-flex; align-items: center; gap: 12px; }
.sps-anim .sps-zoom { display: grid; place-items: center; width: 30px; height: 30px; padding: 0; border: 1px solid var(--line); border-radius: 8px; background: transparent; color: var(--txt); cursor: pointer; }
.sps-anim .sps-zoom:hover { border-color: var(--cyan); color: var(--cyan); }
.sps-anim .sps-zoom:focus-visible { outline: 2px solid #fff; outline-offset: 2px; }
.sps-anim .sps-zoom svg { width: 16px; height: 16px; }
.sps-anim.gross .sps-zoom .z-on svg { transform: rotate(180deg); }
.sps-backdrop { position: fixed; inset: 0; z-index: 900; background: rgba(5, 8, 18, 0.82); }
.sps-backdrop[hidden] { display: none; }
html.sps-open { overflow: hidden; }
.sps-anim.gross { position: fixed; z-index: 901; left: 50%; top: 50%; transform: translate(-50%, -50%); margin: 0; max-width: none; width: min(97vw, calc((97vh - 90px) * 2.2)); max-height: 97vh; overflow: auto; }
@media (max-width: 900px) { .sps-anim .sps-zoom { display: none; } }

/* Startseite: Kontaktplan-Teil der SPS-Demo als Teaser, Klick führt zur Demo-Seite */
.sps-teaser { margin: 0; }
.sps-teaser-box { position: relative; }
.sps-teaser .sps-anim { grid-template-columns: minmax(0, 1fr); max-width: none; padding: 12px; box-shadow: 0 18px 50px rgba(10, 10, 30, 0.28); }
.sps-teaser .sps-anim.nur-kop > .panel:first-child { display: none; }
.sps-teaser-link { position: absolute; inset: 0; z-index: 2; width: 100%; padding: 0; border: 0; background: transparent; border-radius: 20px; cursor: zoom-in; }
.sps-teaser-link:hover { box-shadow: 0 0 0 3px var(--brand); }
.sps-teaser-link:focus-visible { outline: 3px solid var(--brand); outline-offset: 3px; }
.sps-teaser figcaption { margin-top: 12px; font-size: 0.875rem; color: var(--muted); }

/* Startseite: Kontaktplan-Kasten im hellen Stil der Seite (Karte wie das frühere Kontaktplan-Bild:
   Fläche, dunkle Linien, orange Stromfluss, violette Adressen). Folgt dem hellen/dunklen Design der Seite. */
.sps-teaser { --t-surface: var(--surface); --t-line: var(--line); --t-ink: var(--ink); --t-muted: var(--muted); --t-brand: var(--brand); --t-signal: var(--signal); }
.sps-teaser .sps-anim { --bg: var(--t-surface); --panel: var(--t-surface); --line: var(--t-line); --wire: var(--t-line); --dim: var(--t-muted); --txt: var(--t-ink); --cyan: var(--t-brand); --amber: var(--t-brand); --on: var(--t-signal); background: var(--t-surface); border-color: var(--t-line); box-shadow: none; }
.sps-teaser .sps-anim .panel { background: var(--t-surface); }
.sps-teaser .sps-anim .sps-rail { stroke: var(--t-ink); stroke-width: 4; }
.sps-teaser .sps-anim .w { stroke-width: 2.5; }
.sps-teaser .sps-anim .w.on, .sps-teaser .sps-anim .ct.on line, .sps-teaser .sps-anim .ct.on path, .sps-teaser .sps-anim .fb.on rect { filter: none; }
.sps-teaser .sps-anim .w.on { stroke-width: 3.5; }
.sps-teaser .sps-anim .ct line, .sps-teaser .sps-anim .ct path { stroke: var(--t-ink); }
.sps-teaser .sps-anim .ct.on line, .sps-teaser .sps-anim .ct.on path { stroke: var(--t-signal); }
.sps-teaser .sps-anim .fb rect { fill: var(--t-surface); stroke: var(--t-ink); }
.sps-teaser .sps-anim .fb.on rect { stroke: var(--t-signal); }
.sps-teaser .sps-anim .cm { fill: var(--t-muted); }
.sps-teaser .sps-anim .head { border-bottom-color: var(--t-line); }

/* Startseite: vergrößerte Ansicht des Kontaktplans */
.sps-teaser .sps-anim.gross-kop { position: fixed; z-index: 901; left: 50%; top: 50%; transform: translate(-50%, -50%); margin: 0; width: min(680px, 94vw, calc((94vh - 70px) * 0.93)); max-height: 94vh; overflow: auto; cursor: zoom-out; box-shadow: 0 12px 40px rgba(0, 0, 0, 0.45); }
.sps-backdrop-hell { background: rgba(10, 10, 25, 0.55); }
.sps-close { position: fixed; z-index: 902; top: 16px; left: 16px; display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 0; border-radius: 50%; background: var(--surface); color: var(--ink); cursor: pointer; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4); }
.sps-close[hidden] { display: none; }
.sps-close svg { width: 20px; height: 20px; }
.sps-close:focus-visible { outline: 3px solid var(--brand); outline-offset: 2px; }