/* Leitfunke Elektrotechnik — Demo von FatCat Digital
   Frisch, energiegeladen: helles Papier, tiefes Schwarz, eine Akzentfarbe („Volt“). */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/inter-german.woff2") format("woff2");
}

:root {
  --paper: #f3f4ee;
  --paper-2: #e7e9de;
  --ink: #0e1013;
  --ink-2: #171a1f;
  --ink-3: #22262d;
  --line: rgba(14, 16, 19, .14);
  --line-ink: #2c3139;
  --text: #0e1013;
  --muted: #4a4f57;        /* 7.6:1 auf --paper */
  --on-ink: #f1f2ec;
  --on-ink-muted: #a9aeb6; /* 8.4:1 auf --ink */
  --volt: #d7ff1f;
  --volt-deep: #b8e000;
  --focus: #0e1013;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --wrap: 77.5rem;
  --gutter: clamp(1rem, 4vw, 2.5rem);
  --lane: 0px;
  --radius: 0.875rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 8.125rem; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font: 400 1rem/1.6 var(--sans);
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 0.25rem; }

.sr {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip {
  position: absolute; left: 0.75rem; top: -3.75rem; z-index: 100;
  background: var(--volt); color: var(--ink); padding: 0.625rem 1rem; border-radius: 0.5rem;
  font-weight: 700; text-decoration: none;
}
.skip:focus { top: 0.75rem; }
.dim { color: var(--muted); }

.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: var(--gutter); padding-right: var(--gutter); }

/* ---------- Demo-Leiste & Kopf ---------- */
.top { position: sticky; top: 0; z-index: 50; }

.demobar {
  background: var(--ink);
  color: #c9cdd3;
  font-size: .75rem; line-height: 1.45;
  text-align: center;
  padding: 0.4375rem 1rem;
}
.demobar p { display: flex; flex-wrap: wrap; justify-content: center; gap: 2px 0.75rem; }
.demobar__tag {
  background: var(--volt); color: var(--ink);
  padding: 0 0.4375rem; border-radius: 3px; font-weight: 700; letter-spacing: .02em; margin-right: 2px;
}
.demobar a { color: var(--volt); text-underline-offset: 3px; font-weight: 600; }
.demobar a:hover { color: #fff; }
.demobar a:focus-visible { outline-color: var(--volt); }
@media (max-width: 40rem) {
  .demobar p { display: block; }
  .demobar a { display: block; }
}

.header {
  background: rgba(243, 244, 238, .9);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; min-height: 4.125rem; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: 0.625rem; text-decoration: none; color: var(--ink); }
.brand__text { display: flex; flex-direction: column; line-height: 1; }
.brand__name { font-weight: 800; font-size: 1.15rem; letter-spacing: -.03em; }
.brand__sub { font-size: .7rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-top: 0.25rem; }

.nav ul { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; }
.nav a {
  display: inline-block; padding: 0.5625rem 0.75rem; border-radius: 62.4375rem;
  text-decoration: none; font-size: .93rem; font-weight: 550; color: var(--muted);
  transition: color .2s, background-color .2s;
}
.nav a:hover { color: var(--ink); background: var(--paper-2); }
.nav .nav__cta { background: var(--ink); color: var(--on-ink); margin-left: 0.5rem; padding: 0.5625rem 1rem; }
.nav .nav__cta:hover { background: var(--volt); color: var(--ink); }

.navtoggle {
  display: none; width: 2.875rem; height: 2.875rem; border: 1px solid var(--line); border-radius: 0.75rem;
  background: transparent; cursor: pointer; position: relative;
}
.navtoggle__bars, .navtoggle__bars::before, .navtoggle__bars::after {
  position: absolute; left: 0.8125rem; width: 1.25rem; height: 2px; background: var(--ink); content: "";
  transition: transform .25s, opacity .2s;
}
.navtoggle__bars { top: 1.375rem; }
.navtoggle__bars::before { left: 0; top: -0.375rem; }
.navtoggle__bars::after { left: 0; top: 0.375rem; }
.navtoggle[aria-expanded="true"] .navtoggle__bars { background: transparent; }
.navtoggle[aria-expanded="true"] .navtoggle__bars::before { transform: translateY(0.375rem) rotate(45deg); }
.navtoggle[aria-expanded="true"] .navtoggle__bars::after { transform: translateY(-0.375rem) rotate(-45deg); }

@media (max-width: 899px) {
  .header__inner { flex-wrap: wrap; }
  .js .navtoggle { display: block; }
  .js .nav { display: none; width: 100%; padding: 0.25rem 0 1rem; }
  .js .nav.is-open { display: block; }
  .js .nav ul { flex-direction: column; align-items: stretch; gap: 2px; }
  .js .nav a { display: block; padding: 0.75rem 0.875rem; font-size: 1.02rem; border-radius: 0.625rem; }
  .js .nav .nav__cta { margin: 0.5rem 0 0; text-align: center; }
  .nav ul { padding-bottom: 0.5rem; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.625rem;
  min-height: 3.25rem; padding: 0.875rem 1.5rem; border-radius: 62.4375rem;
  font-weight: 700; font-size: 1rem; text-decoration: none; cursor: pointer;
  border: 2px solid transparent;
  transition: transform .2s, background-color .2s, color .2s, box-shadow .2s;
}
.btn span { transition: transform .2s; }
.btn:hover span { transform: translateX(3px); }
.btn--volt { background: var(--volt); color: var(--ink); border-color: var(--ink); box-shadow: 0.25rem 0.25rem 0 var(--ink); }
.btn--volt:hover { transform: translate(-2px, -2px); box-shadow: 0.375rem 0.375rem 0 var(--ink); }
.btn--volt:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn--line { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn--line:hover { background: var(--ink); color: var(--on-ink); }
.btn--block { width: 100%; }

/* ---------- Typo-Bausteine ---------- */
h1, h2, h3 { letter-spacing: -.03em; word-spacing: .06em; line-height: 1.04; }
h2 { font-size: clamp(2rem, 4.6vw, 3.6rem); font-weight: 800; }
h3 { font-size: 1.18rem; font-weight: 750; letter-spacing: -.015em; line-height: 1.25; }

.hl {
  background: linear-gradient(transparent 60%, var(--volt) 60%, var(--volt) 92%, transparent 92%);
  padding: 0 .06em; margin: 0 -.06em;
  -webkit-box-decoration-break: clone; box-decoration-break: clone;
}
.hl--ink { background: none; color: var(--volt); padding: 0; margin: 0; }

.eyebrow, .kicker {
  display: inline-flex; align-items: center; gap: 0.625rem;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.eyebrow__dot {
  width: 0.625rem; height: 0.625rem; border-radius: 50%; background: var(--volt);
  box-shadow: 0 0 0 2px var(--ink);
}

/* ---------- Hero ---------- */
.hero { padding: clamp(2.5rem, 7vw, 6rem) 0 clamp(3.5rem, 8vw, 6.875rem); position: relative; overflow: hidden; isolation: isolate; }
.hero::before {
  /* großer Blitz als Wasserzeichen */
  content: ""; position: absolute; right: -8vw; top: -6vw; width: 46vw; height: 60vw; max-width: 47.5rem; max-height: 61.25rem;
  background: var(--paper-2);
  clip-path: polygon(58% 0, 8% 58%, 44% 58%, 30% 100%, 92% 36%, 56% 36%);
  z-index: -1; opacity: .7;
}
.hero__grid { display: grid; gap: clamp(2.25rem, 5vw, 4rem); align-items: center; }
.hero__title { font-size: clamp(2.5rem, 7vw, 5.4rem); font-weight: 850; letter-spacing: -.045em; word-spacing: .03em; margin: 1.125rem 0 1.375rem; }
.hero__lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--muted); max-width: 38em; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.875rem; margin-top: 1.875rem; }

.facts {
  display: grid; grid-template-columns: 1fr; gap: 0; margin-top: 2.5rem;
  border-top: 2px solid var(--ink);
}
.facts li { display: flex; flex-direction: column; padding: 0.875rem 0; border-bottom: 1px solid var(--line); }
.facts strong { font-weight: 750; }
.facts span { color: var(--muted); font-size: .92rem; }

.hero__circuit {
  background: var(--ink); color: var(--on-ink);
  border-radius: 1.375rem; padding: clamp(0.875rem, 2.4vw, 1.625rem);
  box-shadow: 0.625rem 0.625rem 0 var(--volt), 0.625rem 0.625rem 0 2px var(--ink);
}
.hero__circuit figcaption { font-size: .85rem; color: var(--on-ink-muted); margin-top: 0.75rem; padding: 0 0.25rem; }
.hero__circuit .dim { color: #8e949d; }
.cap__n { color: var(--volt); font-weight: 700; margin-right: 0.25rem; }

@media (min-width: 640px) {
  .facts { grid-template-columns: repeat(3, 1fr); }
  .facts li { padding: 1rem 1.125rem 1rem 0; border-bottom: 0; }
  .facts li + li { padding-left: 1.125rem; border-left: 1px solid var(--line); }
}
@media (min-width: 1024px) {
  .hero__grid { grid-template-columns: 1.12fr .88fr; }
}

/* Schaltplan (SVG) — Grundzustand = eingeschaltet (so sieht es ohne JS aus) */
.circuit { width: 100%; height: auto; }
.circuit .w { stroke: #3a404a; stroke-width: 4; }
.circuit .c { stroke: var(--volt); stroke-width: 4; }
.circuit .f { stroke: #fff; stroke-width: 3; stroke-dasharray: 2 22; opacity: 0; }
.circuit .src__body { fill: #1b2a4a; stroke: var(--volt); stroke-width: 2.5; }
.circuit .src__grid { stroke: #4c6aa8; stroke-width: 1.5; fill: none; }
.circuit .term { fill: var(--ink); stroke: #e8eae2; stroke-width: 3; }
.circuit .lever { stroke: #e8eae2; stroke-width: 5; stroke-linecap: round; }
.circuit .lbl { fill: #c9cdd3; font: 600 13px/1 var(--sans); letter-spacing: .01em; }
.circuit .lbl--dim { fill: #8e949d; }
.circuit .lamp__halo { fill: var(--volt); opacity: .18; }
.circuit .lamp__body { fill: var(--volt); stroke: var(--volt); stroke-width: 3; }
.circuit .lamp__x { stroke: var(--ink); stroke-width: 2.5; stroke-linecap: round; }
.circuit .lamp, .circuit .lamp__halo { transition: opacity .3s; }
.circuit .lamp.is-off .lamp__halo { opacity: 0; }
.circuit .lamp.is-off .lamp__body { fill: #1b1f25; stroke: #4d535c; }
.circuit .lamp.is-off .lamp__x { stroke: #6b727c; }
.circuit .lamp__body, .circuit .lamp__x { transition: fill .25s, stroke .25s; }
.circuit .meter__body { fill: var(--ink-2); stroke: #3a404a; stroke-width: 2; }
.circuit .meter__val { fill: var(--volt); font: 750 15px/1 var(--sans); font-variant-numeric: tabular-nums; }

/* ---------- Abschnitte & die mitlaufende Leitung ---------- */
.run { position: relative; }
.section { padding: clamp(4rem, 9vw, 8rem) 0; position: relative; }
.section--ink { background: var(--ink); color: var(--on-ink); --focus: var(--volt); }
.section--ink .kicker, .section--ink .sechead__lead, .section--ink .dim { color: var(--on-ink-muted); }
.section--volt { background: var(--volt); color: var(--ink); }

.sechead { max-width: 47.5rem; margin-bottom: clamp(2.25rem, 5vw, 3.75rem); }
.sechead h2 { margin: 0.875rem 0 1.125rem; }
.sechead__lead { font-size: 1.1rem; color: var(--muted); max-width: 36em; }
.sechead--split { max-width: none; display: grid; gap: 1.25rem; align-items: end; }
@media (min-width: 900px) {
  .sechead--split { grid-template-columns: 1.2fr 1fr; gap: 3rem; }
}

.node {
  display: inline-block; flex: none;
  width: 0.875rem; height: 0.875rem; border-radius: 50%;
  background: var(--volt); border: 2px solid var(--ink);
  box-shadow: 0 0 0 0.25rem rgba(215, 255, 31, .35);
  transition: background-color .35s, box-shadow .35s, border-color .35s;
}
.section--ink .node { border-color: var(--volt); }
.node.is-off { background: var(--paper); border-color: #9aa0a8; box-shadow: none; }
.section--ink .node.is-off { background: var(--ink); border-color: #4d535c; }
.section--volt .node.is-off { background: var(--volt); border-color: rgba(14, 16, 19, .45); }

.wire { display: none; }

@media (min-width: 960px) {
  :root { --lane: 4rem; }
  .lane { padding-left: calc(var(--gutter) + var(--lane)); }
  .kicker { position: relative; }
  .node {
    position: absolute; left: calc(-1 * var(--lane) + 1.3125rem - 0.6875rem); top: 50%; margin-top: -0.6875rem;
    width: 1.375rem; height: 1.375rem; border-width: 3px;
    box-shadow: 0 0 0 0.3125rem rgba(215, 255, 31, .3), 0 0 1.375rem rgba(215, 255, 31, .7);
  }
  .wire {
    display: block; position: absolute; z-index: 2; top: 0; bottom: 0; width: 2px;
    left: calc(max(0px, (100% - var(--wrap)) / 2) + var(--gutter) + 1.25rem);
    background: rgba(120, 128, 138, .45);
    pointer-events: none;
  }
  .wire__fill {
    position: absolute; inset: 0; background: var(--volt);
    box-shadow: 0 0 0 1px rgba(14, 16, 19, .35), 0 0 0.75rem rgba(215, 255, 31, .55);
    transform-origin: 50% 0;
  }
  .wire__spark {
    position: absolute; left: 50%; top: 0; width: 0.75rem; height: 0.75rem; margin: -0.375rem 0 0 -0.375rem;
    border-radius: 50%; background: #fff; opacity: 0;
    box-shadow: 0 0 0 3px var(--volt), 0 0 1.25rem 0.375rem rgba(215, 255, 31, .8);
  }
  .node { z-index: 3; }
}

/* ---------- Leistungen ---------- */
.services { display: grid; gap: clamp(1.5rem, 3vw, 2.5rem); }
.services__photo img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius); }
.services__photo figcaption { font-size: .88rem; color: var(--muted); margin-top: 0.625rem; }

.cards { display: grid; gap: 0.875rem; }
.card {
  position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.375rem 1.375rem 1.5rem;
  transition: border-color .25s, transform .25s, box-shadow .25s;
}
.card:hover { border-color: var(--ink); transform: translateY(-3px); box-shadow: 0 0.625rem 0 -0.25rem var(--volt), 0 0.625rem 0 -2px var(--ink); }
.card__icon { width: 2.625rem; height: 2.625rem; fill: none; stroke: var(--ink); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 0.875rem; }
.card h3 { margin-bottom: 0.5rem; }
.card p { color: var(--muted); font-size: .96rem; }

.toggle {
  position: absolute; top: 1.375rem; right: 1.375rem; width: 2.5rem; height: 1.375rem; border-radius: 62.4375rem;
  background: var(--volt); border: 2px solid var(--ink);
  transition: background-color .3s;
}
.toggle span {
  position: absolute; top: 2px; left: 1.25rem; width: 0.875rem; height: 0.875rem; border-radius: 50%; background: var(--ink);
  transition: left .3s cubic-bezier(.5, 1.6, .5, 1);
}
.toggle.is-off { background: var(--paper-2); }
.toggle.is-off span { left: 2px; }

@media (min-width: 640px) {
  .cards { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 1100px) {
  .services { grid-template-columns: 5fr 7fr; align-items: start; }
  .services__photo { position: sticky; top: 8.75rem; }
  .services__photo img { aspect-ratio: 4 / 5; }
}

/* ---------- PV & Wallbox ---------- */
.solar { display: grid; gap: clamp(1.25rem, 3vw, 2rem); }
.solar img { width: 100%; border-radius: var(--radius); object-fit: cover; }
.solar__main img { aspect-ratio: 4 / 3; }
.solar__side img { aspect-ratio: 2 / 1; }

.steps-solar { counter-reset: s; display: grid; gap: 0; border-top: 1px solid var(--line-ink); }
.steps-solar li { counter-increment: s; display: grid; grid-template-columns: 3.25rem 1fr; gap: 0.25rem 0.75rem; padding: 1.125rem 0; border-bottom: 1px solid var(--line-ink); }
.steps-solar li::before {
  content: counter(s, decimal-leading-zero); grid-row: span 2;
  font-weight: 800; font-size: .9rem; color: var(--volt); padding-top: 3px; font-variant-numeric: tabular-nums;
}
.steps-solar__k { font-weight: 750; font-size: 1.15rem; letter-spacing: -.015em; }
.steps-solar p { color: var(--on-ink-muted); }

.checklist { background: var(--ink-2); border: 1px solid var(--line-ink); border-radius: var(--radius); padding: clamp(1.375rem, 3vw, 2rem); }
.checklist h3 { margin-bottom: 1rem; }
.checklist li { position: relative; padding: 0.5rem 0 0.5rem 2rem; color: var(--on-ink); }
.checklist li::before {
  content: ""; position: absolute; left: 0; top: 0.6875rem; width: 1.125rem; height: 1.125rem; border-radius: 0.3125rem;
  background: var(--volt);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M4 9.5l3.2 3L14 5.5' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat;
          mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M4 9.5l3.2 3L14 5.5' fill='none' stroke='black' stroke-width='2.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 100% no-repeat;
}

@media (min-width: 1024px) {
  .solar {
    grid-template-columns: 1.25fr 1fr;
    grid-template-areas: "main steps" "side check";
    column-gap: 3rem; align-items: start;
  }
  .solar__main { grid-area: main; }
  .steps-solar { grid-area: steps; }
  .solar__side { grid-area: side; }
  .checklist { grid-area: check; align-self: stretch; }
}

/* ---------- Ablauf ---------- */
.flow-steps { display: grid; gap: 0; position: relative; }
.fstep { position: relative; padding: 0 0 2.125rem 3.5rem; }
.fstep::before { /* senkrechte Leitung zwischen den Lampen (mobil) */
  content: ""; position: absolute; left: 0.9375rem; top: 2.125rem; bottom: 0; width: 2px; background: var(--ink);
}
.fstep:last-child::before { display: none; }
.fstep__lamp {
  position: absolute; left: 0; top: 0; width: 2rem; height: 2rem; border-radius: 50%;
  background: var(--volt); border: 3px solid var(--ink);
  box-shadow: 0 0 0 0.3125rem rgba(215, 255, 31, .4), 0 0 1.5rem rgba(215, 255, 31, .8);
  transition: background-color .35s, box-shadow .35s;
}
.fstep__lamp::after { /* Lampensymbol: Kreuz */
  content: ""; position: absolute; inset: 0.375rem;
  background:
    linear-gradient(45deg, transparent calc(50% - 1px), var(--ink) calc(50% - 1px), var(--ink) calc(50% + 1px), transparent calc(50% + 1px)),
    linear-gradient(-45deg, transparent calc(50% - 1px), var(--ink) calc(50% - 1px), var(--ink) calc(50% + 1px), transparent calc(50% + 1px));
}
.fstep__lamp.is-off { background: var(--paper); box-shadow: none; }
.fstep__n { display: block; font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 0.25rem; padding-top: 0.3125rem; }
.fstep__n::before { content: "Schritt "; }
.fstep h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }
.fstep p { color: var(--muted); max-width: 30em; }

@media (min-width: 900px) {
  .flow-steps { grid-template-columns: repeat(4, 1fr); gap: 1.75rem; }
  .flow-steps::before { /* waagrechte Leitung */
    content: ""; position: absolute; left: 1rem; right: 1rem; top: 0.9375rem; height: 2px; background: var(--ink);
  }
  .fstep { padding: 3.625rem 0 0; }
  .fstep::before { display: none; }
}

/* ---------- Notdienst ---------- */
.emergency { display: grid; gap: clamp(2rem, 5vw, 4rem); }
.kicker--ink { color: var(--ink); }
.tag {
  display: inline-block; background: var(--ink); color: var(--volt); border-radius: 0.25rem;
  padding: 2px 0.5rem; letter-spacing: .08em; font-size: .72rem;
}
.emergency h2 { margin: 0.875rem 0 1.75rem; font-size: clamp(2.1rem, 5vw, 3.8rem); }
.emergency__call { display: inline-flex; flex-direction: column; gap: 2px; background: var(--ink); color: var(--on-ink); padding: 1.25rem 1.5rem; border-radius: var(--radius); max-width: 100%; }
.emergency__call span { font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--on-ink-muted); }
.emergency__call a { color: var(--volt); font-size: clamp(1.5rem, 3.6vw, 2.1rem); font-weight: 800; letter-spacing: -.02em; text-decoration: none; font-variant-numeric: tabular-nums; }
.emergency__call a:hover { text-decoration: underline; text-underline-offset: 0.3125rem; }
.emergency__call a:focus-visible { outline-color: var(--volt); }
.emergency__call small { color: var(--on-ink-muted); font-size: .8rem; margin-top: 0.375rem; }

.checks { counter-reset: c; display: grid; gap: 0.875rem; }
.checks li {
  counter-increment: c; position: relative;
  background: rgba(255, 255, 255, .5); border: 2px solid var(--ink); border-radius: var(--radius);
  padding: 1.25rem 1.375rem 1.375rem 4.375rem;
}
.checks li::before {
  content: counter(c); position: absolute; left: 1.25rem; top: 1.125rem;
  width: 2.125rem; height: 2.125rem; border-radius: 50%; background: var(--ink); color: var(--volt);
  display: grid; place-items: center; font-weight: 800;
}
.checks h3 { margin-bottom: 0.375rem; }
.checks p { color: #22262d; }

@media (min-width: 1024px) {
  .emergency { grid-template-columns: 1fr 1.05fr; align-items: start; }
}

/* ---------- Fragen ---------- */
.faq { max-width: 53.75rem; border-top: 2px solid var(--ink); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  list-style: none; cursor: pointer; position: relative;
  padding: 1.375rem 3.25rem 1.375rem 0; font-weight: 700; font-size: 1.1rem; letter-spacing: -.01em;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 0.25rem; top: 50%; width: 1.875rem; height: 1.875rem; margin-top: -0.9375rem;
  border-radius: 50%; border: 2px solid var(--ink);
  background:
    linear-gradient(var(--ink), var(--ink)) center / 0.75rem 2px no-repeat,
    linear-gradient(var(--ink), var(--ink)) center / 2px 0.75rem no-repeat;
  transition: background-color .2s;
}
.faq details[open] summary::after {
  background:
    linear-gradient(var(--ink), var(--ink)) center / 0.75rem 2px no-repeat, var(--volt);
}
.faq summary:hover::after { background-color: var(--volt); }
.faq details p { color: var(--muted); padding: 0 3.25rem 1.375rem 0; max-width: 44em; }

@media (min-width: 1100px) {
  .faq-wrap { display: grid; grid-template-columns: 1fr 1.6fr; gap: 4rem; align-items: start; }
  .faq-wrap .sechead { margin-bottom: 0; }
}

/* ---------- Kontakt ---------- */
.contact { display: grid; gap: clamp(2.25rem, 5vw, 4rem); }
.contact__info h2 { margin: 0.875rem 0 1.125rem; }
.contact__info > p:not(.kicker) { color: var(--on-ink-muted); font-size: 1.08rem; max-width: 30em; }
.addr { margin-top: 1.875rem; display: grid; gap: 0; border-top: 1px solid var(--line-ink); }
.addr div { display: grid; grid-template-columns: 6.875rem 1fr; gap: 0.75rem; padding: 0.875rem 0; border-bottom: 1px solid var(--line-ink); }
.addr dt { font-size: .78rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--on-ink-muted); padding-top: 3px; }
.addr a { color: var(--volt); text-underline-offset: 3px; }

.form { background: var(--ink-2); border: 1px solid var(--line-ink); border-radius: 1.25rem; padding: clamp(1.25rem, 3vw, 2.125rem); display: grid; gap: 1.125rem; }
.form label, .form legend { display: block; font-size: .9rem; font-weight: 650; color: #d6d9de; margin-bottom: 0.4375rem; }
.opt { font-weight: 400; color: var(--on-ink-muted); }
.form input[type="text"], .form input[type="email"], .form input[type="tel"], .form textarea {
  width: 100%; min-height: 3.125rem; padding: 0.75rem 0.875rem;
  background: var(--ink); border: 1.5px solid #6b727c; border-radius: 0.625rem; color: var(--on-ink);
  transition: border-color .2s, box-shadow .2s;
}
.form textarea { resize: vertical; min-height: 7.5rem; }
.form ::placeholder { color: #848a93; }
.form input:hover, .form textarea:hover { border-color: #8e949d; }
.form input:focus, .form textarea:focus { outline: none; border-color: var(--volt); box-shadow: 0 0 0 3px rgba(215, 255, 31, .3); }
.form [aria-invalid="true"] { border-color: #ff8a7a !important; }
.form__row--half { display: grid; gap: 1.125rem; }
@media (min-width: 560px) { .form__row--half { grid-template-columns: 1fr 1fr; } }

.form__topics { border: 0; padding: 0; margin: 0; min-width: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip { margin: 0 !important; position: relative; }
.chip input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.chip span {
  display: inline-block; padding: 0.5625rem 0.9375rem; border-radius: 62.4375rem; border: 1.5px solid #6b727c;
  font-weight: 600; font-size: .92rem; color: var(--on-ink); transition: background-color .2s, border-color .2s, color .2s;
}
.chip:hover span { border-color: var(--volt); }
.chip input:checked + span { background: var(--volt); border-color: var(--volt); color: var(--ink); }
.chip input:focus-visible + span { outline: 3px solid var(--volt); outline-offset: 3px; }

.form__check { display: grid; grid-template-columns: 1.5rem 1fr; gap: 0.75rem; align-items: start; }
.form__check input { width: 1.375rem; height: 1.375rem; margin: 1px 0 0; accent-color: var(--volt); }
.form__check label { font-weight: 400; color: var(--on-ink-muted); margin: 0; font-size: .9rem; }
.form .btn--volt { border-color: var(--volt); box-shadow: none; }
.form .btn--volt:hover { box-shadow: 0 0 0 0.25rem rgba(215, 255, 31, .3); transform: none; }
.form__msg { min-height: 1.4em; font-weight: 650; }
.form__msg.is-ok { color: var(--volt); }
.form__msg.is-err { color: #ff9d90; }

@media (min-width: 1024px) {
  .contact { grid-template-columns: 1fr 1.1fr; align-items: start; }
}

/* ---------- Footer ---------- */
.footer { background: #07080a; color: var(--on-ink-muted); padding: 1.875rem 0; font-size: .9rem; }
.footer__inner { display: flex; flex-wrap: wrap; gap: 0.875rem 1.75rem; justify-content: space-between; align-items: center; }
.footer__brand { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--on-ink); font-weight: 700; }
.footer__brand svg { color: var(--volt); }
.footer__brand .dim { color: var(--on-ink-muted); font-weight: 400; }
.footer__links { display: flex; flex-wrap: wrap; gap: 0.375rem 1.375rem; }
.footer a { color: var(--on-ink-muted); text-underline-offset: 3px; }
.footer a:hover { color: var(--volt); }
.footer a:focus-visible { outline-color: var(--volt); }

/* ---------- Bewegung ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* ---------- 4K: oberhalb von 1920 px wächst die Grundschrift mit (alles in rem skaliert mit) ---------- */
@media (min-width: 1921px) { html { font-size: calc(100% + (100vw - 1920px) / 192); } }

/* Bildpipeline 2026-11-11: <picture> erzeugt keine eigene Box — Layout bleibt wie beim nackten <img> */
picture { display: contents; }
picture > source { display: none; } /* sonst wird <source> unter display:contents zum Grid-Element (handel: Bild 0 px hoch) */