/* app.css — FAS Montage und Anlagenbau GmbH
   Tokens 1:1 aus design.md. mono Stahl/Zink + EIN Signal-Gelb. brutalist/flach, kein UI-Glow. */

/* Self-hosted Fonts (DSGVO — kein Google-Fonts-CDN). Variable woff2, Latin-Subset.
   Inter = Body + Labels/KPI/Datenblatt ("mono"-Rolle). Archivo = Headlines. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/inter-var-latin.woff2") format("woff2");
}
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("/fonts/archivo-var-latin.woff2") format("woff2");
}

:root {
  /* Palette (design.md §1) */
  --ink-950: #101316;
  --steel-900: #171b1e;
  --steel-800: #20252a;
  --steel-700: #2b3137;
  --line-600: #3c444b;
  --line-500: #525a61;
  --text-muted: #8b939a;
  --text-secondary: #aeb6bc;
  --text-primary: #e7ebee;
  --zinc-plate: #c6ccd1;
  --signal: #ffd100;
  --signal-dim: #e0b800;

  /* Typo (design.md §2) */
  --font-display: "Archivo", "Arial Narrow", system-ui, sans-serif;
  --font-body: "Inter", system-ui, "Segoe UI", sans-serif;
  /* „Mono"-Rolle jetzt ebenfalls Inter (Kundenwunsch 07.07.) — Label-Optik (Uppercase,
     Letter-Spacing, tabular-nums) bleibt über die Klassen erhalten, nur keine Schreibmaschinen-Form mehr */
  --font-mono: "Inter", system-ui, "Segoe UI", sans-serif;

  /* Fluid-Skala (Utopia 360→1440) */
  --step--1: clamp(0.78rem, 0.75rem + 0.15vw, 0.84rem);
  --step-0: clamp(1rem, 0.97rem + 0.15vw, 1.06rem);
  --step-1: clamp(1.22rem, 1.1rem + 0.5vw, 1.42rem);
  --step-2: clamp(1.55rem, 1.3rem + 1.1vw, 2.05rem);
  --step-3: clamp(1.95rem, 1.5rem + 2vw, 3.05rem);
  --step-4: clamp(2.6rem, 1.7rem + 4vw, 5.2rem);
  --step-5: clamp(3.4rem, 1.8rem + 7vw, 7.6rem);

  /* Space (8px-Baseline, fluid) */
  --space-xs: clamp(0.5rem, 0.45rem + 0.25vw, 0.75rem);
  --space-s: clamp(1rem, 0.9rem + 0.5vw, 1.5rem);
  --space-m: clamp(1.5rem, 1.3rem + 1vw, 2.5rem);
  --space-l: clamp(2.5rem, 2rem + 2.5vw, 4.5rem);
  --space-xl: clamp(4rem, 3rem + 5vw, 8rem);

  /* Motion-Tokens (design.md §3 — SNAP, kein Lenis) */
  --ease-snap: cubic-bezier(0.85, 0, 0.15, 1);
  --ease-settle: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-linear: linear;
  --dur-tick: 120ms;
  --dur-ui: 200ms;
  --dur-reveal: 380ms;
  --stagger: 60ms;

  --nav-h: 72px;
}

* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  /* Kein horizontales Verschieben/Scrollen — alles bleibt in einer geraden Spalte */
  overflow-x: clip;
}
body {
  overflow-x: clip;
}
body {
  margin: 0;
  background: var(--steel-900);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
.display {
  font-family: var(--font-display);
  line-height: 0.98;
  letter-spacing: -0.01em;
  font-weight: 800;
  margin: 0;
  /* Schutz gegen Overflow durch lange deutsche Komposita auf schmalen Breiten */
  overflow-wrap: break-word;
}
/* Lange Wort-Ketten (Mono-Tags, Register) dürfen nie über ihre Zelle laufen */
.register__tag,
.phase__heading,
.sheet__spec,
.kontakt__tel-num,
.footer__nap {
  overflow-wrap: break-word;
}
.mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}
.tnum {
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* Labels / Kicker / DIN-Kürzel */
.label,
.kicker {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: var(--step--1);
  color: var(--text-muted);
}
.nameplate-title {
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

a {
  color: inherit;
  text-decoration: none;
}
img,
video {
  max-width: 100%;
  display: block;
}

/* Skip-Link */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--signal);
  color: var(--ink-950);
  padding: 0.75rem 1.25rem;
  font-family: var(--font-mono);
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

/* Fokus sichtbar — Gelb-Kante (brutalist, kein Glow) */
:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

/* Touch-Targets ≥44px */
.btn,
.nav-link,
a.tel,
button {
  min-height: 44px;
}

/* Primär-CTA = Gelb-Fläche mit dunklem Text (Gelb-Disziplin) */
.cta-signal {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--signal);
  color: var(--ink-950);
  font-family: var(--font-mono);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: var(--step--1);
  padding: 0.85rem 1.4rem;
  border: none;
  cursor: pointer;
  transition: background var(--dur-ui) var(--ease-snap);
}
.cta-signal:hover {
  background: var(--signal-dim);
}

/* Ghost / Sekundär = Outline Hairline */
.cta-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: var(--step--1);
  padding: 0.85rem 1.4rem;
  border: 1px solid var(--line-600);
  cursor: pointer;
  transition:
    border-color var(--dur-ui) var(--ease-snap),
    color var(--dur-ui) var(--ease-snap);
}
.cta-ghost:hover {
  border-color: var(--line-500);
  color: #fff;
}

/* Hairline-Helfer (crispEdges) */
.hairline {
  border-color: var(--line-600);
}
.hairline-t {
  border-top: 1px solid var(--line-600);
}
.hairline-b {
  border-bottom: 1px solid var(--line-600);
}
.hairline-l {
  border-left: 1px solid var(--line-500);
}

/* Typenschild-Marker: nur Eck-Winkel (design.md §4) */
.nameplate {
  position: relative;
  padding: 0.9rem 1.1rem;
}
.nameplate::before,
.nameplate::after {
  content: "";
  position: absolute;
  width: 12px;
  height: 12px;
  pointer-events: none;
  border: 1px solid var(--line-600);
}
.nameplate::before {
  top: 0;
  left: 0;
  border-right: 0;
  border-bottom: 0;
}
.nameplate::after {
  bottom: 0;
  right: 0;
  border-left: 0;
  border-top: 0;
}
.nameplate-dot {
  width: 6px;
  height: 6px;
  background: var(--signal);
  display: inline-block;
}

/* Sektions-Rahmen */
.section {
  padding-block: var(--space-xl);
}
/* Anker-Sprünge nicht unter die fixe Navbar schieben */
section[id],
:target {
  scroll-margin-top: calc(var(--nav-h) + 12px);
}
html {
  scroll-behavior: smooth;
}
.container {
  width: min(100% - 2rem, 1240px);
  margin-inline: auto;
}

/* Matte Stahl-Grain-Textur (feTurbulence via SVG data-uri, fein dosiert, kein Glow) */
.grain-overlay {
  position: relative;
}
.grain-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.05;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Reveal-Grundzustand (main.js schaltet .is-in) */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
}
.is-in[data-reveal],
[data-reveal].is-in {
  opacity: 1;
  transform: none;
  transition:
    opacity var(--dur-reveal) var(--ease-snap),
    transform var(--dur-reveal) var(--ease-snap);
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  * {
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   HERO — Full-Bleed Industrie-Video + brutalist Technik-HUD
   (hero-engineer). mono Stahl, EIN Signal-Gelb, kein Glow.
   ============================================================ */
#hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--ink-950);
  isolation: isolate;
}

/* Medium */
.hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  /* Poster als BG-Fallback, falls das <video> (noch) kein Bild malt */
  background: var(--ink-950) url("/media/hero-poster.webp") center / cover
    no-repeat;
}
/* Mobil: neues Hero-Video hat mittige Komposition (Rohre + Funken zentral) → zentrieren */
@media (max-width: 720px) {
  .hero__video {
    object-position: 50% 50%;
    background-position: 50% 50%;
  }
}
/* funktionaler Scrim: nur Boden + linke Kante für Text-Lesbarkeit (kein weiches Vollbild-Vignette) */
.hero__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      to top,
      rgb(16 19 22 / 0.92) 0%,
      rgb(16 19 22 / 0.55) 20%,
      rgb(16 19 22 / 0) 46%
    ),
    linear-gradient(to right, rgb(16 19 22 / 0.6) 0%, rgb(16 19 22 / 0) 40%);
}
/* Hero-Grain über das Medium legen (Werte aus .grain-overlay, aber eigene Ebene) */
#hero.grain-overlay::after {
  z-index: 1;
}

/* ---------- HUD ---------- */
.hero__hud {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  color: var(--text-secondary);
}

/* Instrument-Eckwinkel (crispEdges via 1px-Border) */
.hud-corner {
  position: absolute;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line-600);
}
.hud-corner--tl {
  top: 84px;
  left: 20px;
  border-right: 0;
  border-bottom: 0;
}
.hud-corner--tr {
  top: 84px;
  right: 20px;
  border-left: 0;
  border-bottom: 0;
}
.hud-corner--bl {
  bottom: 20px;
  left: 20px;
  border-right: 0;
  border-top: 0;
}
.hud-corner--br {
  bottom: 20px;
  right: 20px;
  border-left: 0;
  border-top: 0;
}

/* Typenschild-Tag (Daten-Panel, selbst-lesbar über beliebigem Bild) */
.hud-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.7rem;
  background: rgb(16 19 22 / 0.82);
  border: 1px solid var(--line-600);
  backdrop-filter: blur(2px);
}
.hud-tag .label {
  color: var(--text-secondary);
  line-height: 1;
}
.hud-tag__sub {
  color: var(--text-muted);
  font-size: var(--step--1);
  letter-spacing: 0.02em;
}
.hud-tag__sub em {
  font-style: normal;
  color: var(--signal-dim);
}
.hud-tag--tl {
  position: absolute;
  top: 96px;
  left: 40px;
}

/* Koordinaten-Readout oben-rechts */
.hud-geo {
  position: absolute;
  top: 96px;
  right: 40px;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.35rem;
  text-align: right;
}
.hud-geo__vals {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  font-size: var(--step--1);
  color: var(--text-primary);
  line-height: 1.2;
}

/* ---------- Marker (Fadenkreuz + Leader + Tag) ---------- */
.hud-marker {
  position: absolute;
  left: var(--mx);
  top: var(--my);
  width: 0;
  height: 0;
  /* Neues Hero-Video (08.07.) ist eine Schnitt-Montage → Fadenkreuz-Callouts
     können nicht diegetisch auf festen Bildpunkten sitzen. Bewusst ausgeblendet;
     Rahmen-Ecken + FAS-Typenschild + Koordinaten-Readout bleiben. */
  display: none;
}
.hud-cross {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  transform: translate(-50%, -50%);
  color: var(--signal);
}
.hud-cross svg {
  width: 100%;
  height: 100%;
  display: block;
}
/* Leader-Linie (zeichnet sich per scaleY) */
.hud-leader {
  position: absolute;
  left: 0;
  width: 1px;
  height: 58px;
  background: var(--line-500);
}
.hud-marker--up .hud-leader {
  bottom: 20px;
  transform-origin: bottom center;
}
.hud-marker--down .hud-leader {
  top: 20px;
  transform-origin: top center;
}
.hud-marker--right .hud-leader {
  top: 0;
  left: 20px;
  width: 62px;
  height: 1px;
  transform-origin: left center;
}
/* Tag am Ende des Leaders */
.hud-tag--marker {
  position: absolute;
  left: 0;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  white-space: nowrap;
}
.hud-marker--up .hud-tag--marker {
  bottom: 78px;
  transform: translateX(-50%);
}
.hud-marker--down .hud-tag--marker {
  top: 78px;
  transform: translateX(-50%);
}
.hud-marker--right .hud-tag--marker {
  left: 90px;
  top: 0;
  transform: translateY(-50%);
}
.hud-tag--marker .nameplate-dot {
  position: absolute;
  top: 6px;
  right: 6px;
}

/* ---------- Inhalt ---------- */
.hero__content {
  position: relative;
  z-index: 3;
  width: min(100% - 2rem, 1240px);
  margin-inline: auto;
  padding-bottom: clamp(2.5rem, 2rem + 3vw, 5rem);
  padding-top: var(--nav-h);
}
.hero__kicker {
  color: var(--text-secondary);
  font-size: var(--step--1);
  letter-spacing: 0.14em;
  margin: 0 0 clamp(0.9rem, 0.7rem + 0.6vw, 1.4rem);
  padding-left: 1rem;
  border-left: 3px solid var(--signal);
  display: inline-block;
}
.hero__h1 {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  line-height: 0.9;
  font-size: clamp(1.5rem, 0.2rem + 6vw, 5.6rem);
  color: var(--text-primary);
  margin: 0;
}
.hero__h1-line {
  display: block;
  overflow: hidden;
  padding-block: 0.02em;
}
.hero__h1 .word {
  display: inline-block;
  will-change: transform;
}
.hero__sub {
  margin: clamp(1.1rem, 0.9rem + 0.8vw, 1.8rem) 0 0;
  max-width: 46ch;
  font-size: var(--step-1);
  color: var(--text-secondary);
  line-height: 1.5;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: clamp(1.4rem, 1.1rem + 1vw, 2.2rem);
}

/* ---------- Scroll-Cue ---------- */
.hero__scroll {
  position: absolute;
  z-index: 3;
  right: 40px;
  bottom: 28px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-muted);
}
.hero__scroll .label {
  color: var(--text-muted);
}
.hero__scroll-rail {
  position: relative;
  width: 1px;
  height: 46px;
  background: var(--line-600);
  overflow: hidden;
}
.hero__scroll-dot {
  position: absolute;
  left: -1px;
  top: 0;
  width: 3px;
  height: 12px;
  background: var(--signal);
}
@media (prefers-reduced-motion: no-preference) {
  .hero__scroll-dot {
    animation: hero-scroll 1.9s var(--ease-snap) infinite;
  }
}
@keyframes hero-scroll {
  0% {
    transform: translateY(-14px);
    opacity: 0;
  }
  30% {
    opacity: 1;
  }
  100% {
    transform: translateY(46px);
    opacity: 0;
  }
}

/* ---------- Anim-Gate: NUR sekundäre Deko (HUD/Scroll-Cue) flimmerfrei verstecken.
   H1, Sub, CTA und Kicker bleiben immer sichtbar (opacity:1) → LCP-Text malt sofort,
   die Page-Load-Choreo animiert sie ausschließlich per transform. ---------- */
.hero-anim .hud-tag--tl,
.hero-anim .hud-geo,
.hero-anim .hud-tag--marker,
.hero-anim .hero__scroll {
  opacity: 0;
}
.hero-anim .hud-corner {
  opacity: 0;
  transform: scale(0.4);
}
.hero-anim .hud-cross {
  opacity: 0;
}
.hero-anim .hud-marker--up .hud-leader,
.hero-anim .hud-marker--down .hud-leader {
  transform: scaleY(0);
}
.hero-anim .hud-marker--right .hud-leader {
  transform: scaleX(0);
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  /* Marker + Koordinaten bis Portrait-Tablet ausblenden (Cover-Crop verschiebt die
     Bildpunkte; sonst kollidiert .hud-geo mit der FLANSCHVERBINDUNG-Box). */
  .hud-marker,
  .hud-geo {
    display: none;
  }
  .hud-corner--tl,
  .hud-corner--tr {
    top: 72px;
  }
  .hud-tag--tl {
    top: 84px;
    left: 20px;
  }
  .hero__scroll {
    display: none;
  }
  .hero__h1 {
    letter-spacing: 0;
  }
  .hero__sub {
    font-size: var(--step-0);
  }
}
/* Mobil: 2. Hero-CTA ("Leistungen ansehen") nie unter der Sticky-Bottom-Bar
   (54px Höhe + Safe-Area) — Hero-Inhalt bekommt entsprechende Bodenfreiheit. */
@media (max-width: 960px) {
  .hero__content {
    padding-bottom: calc(
      clamp(2.5rem, 2rem + 3vw, 5rem) + 54px + env(safe-area-inset-bottom)
    );
  }
}
/* Mobil: Telefon-CTA im Hero ist redundant (Sticky-Bottom-Bar "Anrufen" +
   WhatsApp-FAB sind immer sichtbar) — raus, damit der erste Screen ruhiger wird
   und die zwei bleibenden CTAs mehr Gewicht bekommen. */
@media (max-width: 600px) {
  .hero__cta .cta-ghost--tel {
    display: none;
  }
}
@media (max-width: 400px) {
  .hero__cta {
    width: 100%;
  }
  .hero__cta .cta-signal,
  .hero__cta .cta-ghost {
    flex: 1 1 auto;
    justify-content: center;
  }
}

/* ============================================================
   SEKTIONEN (web-designer) — brutalist Datenblatt-System
   mono Stahl + EIN Signal-Gelb. Hairlines crispEdges, kein Glow.
   ============================================================ */

/* CTA :active-Quittung (emil-design-eng) */
.cta-signal:active,
.cta-ghost:active {
  transform: scale(0.97);
}

/* wiederkehrende Sektions-Kopfzeile */
.sec-head {
  max-width: 60ch;
  margin-bottom: var(--space-l);
}
.sec-head__kicker {
  display: inline-block;
  padding-left: 0.85rem;
  border-left: 3px solid var(--signal);
  margin-bottom: var(--space-s);
}
.sec-head__title {
  font-size: var(--step-3);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.01em;
}
.sec-head__sub {
  margin: var(--space-s) 0 0;
  color: var(--text-secondary);
  font-size: var(--step-1);
  max-width: 52ch;
}

/* ---------------- 1 · NAVBAR ---------------- */
#site-nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition:
    background var(--dur-ui) var(--ease-snap),
    border-color var(--dur-ui) var(--ease-snap);
}
#site-nav.is-solid {
  background: var(--steel-900);
  border-bottom-color: var(--line-600);
}
.nav__inner {
  width: min(100% - 2rem, 1240px);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: var(--space-m);
}
.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
}
.nav__plate {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.7rem;
}
.nav__plate-mark {
  font-size: var(--step-1);
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1;
}
.nav__brand-sub {
  /* Transparenter Nav-Zustand über dem Video: heller für Lesbarkeit (kein Gelb) */
  color: var(--text-secondary);
  letter-spacing: 0.14em;
}
#site-nav.is-solid .nav__brand-sub {
  color: var(--text-muted);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 0.5rem + 1.6vw, 2.2rem);
  margin-left: auto;
}
.nav-link {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--step--1);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  position: relative;
  padding: 0.4rem 0;
  transition: color var(--dur-ui) var(--ease-snap);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--signal);
  transition: width var(--dur-ui) var(--ease-snap);
}
.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--space-s);
}
.nav__tel {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
}
.nav__tel-dot {
  width: 6px;
  height: 6px;
  background: var(--signal);
  display: inline-block;
}
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--line-600);
  cursor: pointer;
}
.nav__toggle-bar {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
}

@media (hover: hover) and (pointer: fine) {
  .nav-link:hover {
    color: var(--text-primary);
  }
  .nav-link:hover::after {
    width: 100%;
  }
  .nav__tel:hover {
    color: #fff;
  }
}

/* Mobile Off-canvas-Drawer */
.nav-drawer {
  position: fixed;
  inset: 0 0 0 auto;
  z-index: 99;
  width: min(84vw, 360px);
  background: var(--steel-800);
  border-left: 1px solid var(--line-600);
  transform: translateX(100%);
  transition: transform var(--dur-ui) var(--ease-snap);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-l);
  padding: calc(var(--nav-h) + 1rem) var(--space-m) var(--space-l);
  visibility: hidden;
  overscroll-behavior: contain;
}
.nav-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
}

/* Abgedunkelter Scrim hinter dem Drawer (zwischen Content und Drawer) */
.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 98;
  background: rgb(0 0 0 / 0.5);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--dur-ui) var(--ease-snap),
    visibility var(--dur-ui) var(--ease-snap);
}
.nav-scrim.is-open {
  opacity: 1;
  visibility: visible;
}
/* Scroll-Lock, solange der Drawer offen ist */
body.is-nav-open {
  overflow: hidden;
}
.nav-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
}
.nav-drawer__link {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--step-1);
  color: var(--text-primary);
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--line-600);
}
.nav-drawer__foot {
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
  align-items: flex-start;
}
.nav-drawer__foot .cta-signal {
  width: 100%;
  justify-content: center;
}

/* Mobile Sticky-Bottom-Bar (Daumenzone) */
.mobile-bar {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 98;
  display: none;
  padding-bottom: env(safe-area-inset-bottom);
  border-top: 1px solid var(--line-600);
  background: var(--ink-950);
}
.mobile-bar__btn {
  flex: 1 1 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--step--1);
  font-weight: 600;
}
.mobile-bar__btn--call {
  color: var(--text-primary);
  border-right: 1px solid var(--line-600);
}
.mobile-bar__btn--call:active {
  background: var(--steel-800);
}
.mobile-bar__btn--cta {
  background: var(--signal);
  color: var(--ink-950);
}
.mobile-bar__btn--cta:active {
  background: var(--signal-dim);
}

@media (max-width: 960px) {
  .nav__links {
    display: none;
  }
  /* nur die Navbar-Tel ausblenden — die Klick-to-Call im Drawer-Fuß bleibt */
  .nav__actions .nav__tel {
    display: none;
  }
  .nav__cta {
    display: none;
  }
  .nav__toggle {
    display: flex;
  }
  .nav__actions {
    margin-left: auto;
  }
  .mobile-bar {
    display: flex;
  }
}
/* Sehr schmale Phones: Nameplate-Untertitel würde sonst unter den Burger laufen */
@media (max-width: 420px) {
  .nav__brand-sub {
    display: none;
  }
}
/* Enge Desktop-Zone: volle Nav ist da, aber Untertitel + Links + Tel + CTA
   passen erst ab ~1180px kollisionsfrei nebeneinander. */
@media (min-width: 961px) and (max-width: 1180px) {
  .nav__brand-sub {
    display: none;
  }
}
.nav__tel,
.nav-link {
  white-space: nowrap;
}

/* ---------------- 3 · KPI-Kurzband ---------------- */
#kpi {
  background: var(--steel-800);
  border-block: 1px solid var(--line-600);
}
.kpi__band {
  width: min(100% - 2rem, 1240px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.kpi__cell {
  padding: var(--space-l) var(--space-m);
  border-left: 1px solid var(--line-500);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  min-width: 0;
}
.kpi__cell:first-child {
  border-left: 0;
}
.kpi__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.kpi__val {
  font-size: var(--step-4);
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1;
  letter-spacing: -0.02em;
}
.kpi__val em {
  font-style: normal;
  color: var(--signal-dim);
  font-size: var(--step-2);
}
.kpi__unit {
  font-size: var(--step--1);
  color: var(--text-muted);
  line-height: 1.45;
}

@media (max-width: 860px) {
  .kpi__band {
    grid-template-columns: 1fr 1fr;
  }
  .kpi__cell:nth-child(3) {
    border-left: 0;
  }
  .kpi__cell:nth-child(n + 3) {
    border-top: 1px solid var(--line-500);
  }
}
@media (max-width: 460px) {
  .kpi__band {
    grid-template-columns: 1fr;
  }
  .kpi__cell {
    border-left: 0;
    border-top: 1px solid var(--line-500);
  }
  .kpi__cell:first-child {
    border-top: 0;
  }
}

/* ---------------- 4 · Pin/Scrub-Story ---------------- */
.prozess {
  background: var(--steel-900);
  padding-top: var(--space-xl);
  overflow: hidden;
}
.prozess__intro {
  margin-bottom: var(--space-l);
}
.prozess__kicker {
  display: inline-block;
  padding-left: 0.85rem;
  border-left: 3px solid var(--signal);
  margin-bottom: var(--space-s);
}
.prozess__title {
  font-size: var(--step-3);
  color: var(--text-primary);
  text-transform: uppercase;
}
.prozess__sub {
  margin: var(--space-s) 0 0;
  color: var(--text-secondary);
  font-size: var(--step-1);
  max-width: 48ch;
}

/* Bühne — Default (kein JS / reduced-motion): 3 Phasen gestapelt */
.prozess__stage {
  position: relative;
}
.prozess__rail {
  display: none;
}
.prozess__track {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--line-600);
  border-block: 1px solid var(--line-600);
}
.phase {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--steel-900);
  min-height: clamp(320px, 46vh, 520px);
}
.phase__text {
  display: flex;
  gap: var(--space-m);
  padding: var(--space-l);
  border-right: 1px solid var(--line-600);
}
.phase__num {
  font-size: var(--step-5);
  font-weight: 600;
  line-height: 0.8;
  color: var(--text-muted);
  flex: 0 0 auto;
}
.phase__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
  min-width: 0;
}
.phase__tag {
  display: inline-block;
  padding-left: 0.7rem;
  border-left: 3px solid var(--signal);
  color: var(--text-secondary);
}
.phase__heading {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.02;
  font-size: var(--step-2);
  color: var(--text-primary);
  padding-left: 0.85rem;
  border-left: 3px solid var(--signal);
}
.phase__desc {
  color: var(--text-muted);
  font-size: var(--step-0);
  margin: 0;
}
.phase__visual {
  position: relative;
  overflow: hidden;
  background: repeating-linear-gradient(
    135deg,
    var(--steel-800) 0,
    var(--steel-800) 22px,
    var(--steel-700) 22px,
    var(--steel-700) 24px
  );
  display: flex;
  align-items: flex-end;
  padding: var(--space-m);
  min-height: 220px;
}
/* Story-Bild sitzt randlos IM Typenschild-Rahmen (Eckwinkel + Grain liegen darüber) */
.phase__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 50%;
  display: block;
}
/* Planung: Ausschnitt tiefer legen — Fokus auf die Hand, die auf der Zeichnung einträgt */
.phase__img--planung {
  object-position: 50% 88%;
}
.phase__visual-tag {
  color: var(--text-muted);
  background: rgb(16 19 22 / 0.7);
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--line-600);
}
.phase__corner {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line-500);
  pointer-events: none;
}
.phase__corner--tl {
  top: 14px;
  left: 14px;
  border-right: 0;
  border-bottom: 0;
}
.phase__corner--br {
  bottom: 14px;
  right: 14px;
  border-left: 0;
  border-top: 0;
}

/* Pinned/Scrub-Modus (JS setzt .is-pinned wenn Motion erlaubt) */
.prozess__stage.is-pinned {
  height: 100vh;
  height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.prozess__stage.is-pinned .prozess__track {
  flex-direction: row;
  width: 300%;
  gap: 0;
  border-block: 0;
  background: var(--steel-900);
  will-change: transform;
}
.prozess__stage.is-pinned .phase {
  width: 33.3333%;
  flex: 0 0 33.3333%;
  min-height: 62vh;
  align-content: center;
  padding-inline: clamp(1rem, 4vw, 4rem);
}
.prozess__stage.is-pinned .prozess__rail {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  width: min(100% - 2rem, 1240px);
  margin: 0 auto var(--space-m);
  position: relative;
  height: 24px;
}
.prozess__rail-line {
  position: absolute;
  left: 0;
  right: 0;
  top: 50%;
  height: 1px;
  background: var(--line-600);
}
.prozess__rail-marker {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 16px;
  height: 16px;
  border: 1px solid var(--signal);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--steel-900);
  will-change: left;
}
.prozess__rail-dot {
  width: 6px;
  height: 6px;
  background: var(--signal);
  transform-origin: center;
}
.prozess__rail-step {
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-mono);
  font-size: var(--step--1);
  color: var(--text-muted);
  background: var(--steel-900);
  padding: 0 0.4rem;
  /* SNAP-Wechsel: front-loaded, liest sich als hartes Einrasten statt Cross-fade */
  transition:
    color var(--dur-tick) var(--ease-snap),
    background var(--dur-tick) var(--ease-snap);
}
/* aktive Phase: Typenschild wird Signal-Fläche mit Off-black-Text (Gelb-Disziplin) */
.prozess__rail-step.is-active {
  color: var(--ink-950);
  background: var(--signal);
  font-weight: 600;
}
.prozess__rail-step[data-step="0"] {
  left: 16.66%;
}
.prozess__rail-step[data-step="1"] {
  left: 50%;
}
.prozess__rail-step[data-step="2"] {
  left: 83.33%;
}

@media (max-width: 1100px) {
  .phase {
    /* minmax(0,1fr) statt 1fr: Spalte darf unter die Min-Content-Breite schrumpfen
       (sonst sprengt phase__text die Zeile und wird abgeschnitten/„verschoben") */
    grid-template-columns: minmax(0, 1fr);
  }
  .phase__text {
    border-right: 0;
    border-bottom: 1px solid var(--line-600);
    min-width: 0;
    padding: var(--space-m);
    gap: var(--space-s);
  }
  .phase__num {
    font-size: var(--step-4);
  }
  /* Mobil + Tablet: kein Pin — immer gestapelt, robuster */
  .prozess__stage.is-pinned {
    height: auto;
    display: block;
  }
  .prozess__stage.is-pinned .prozess__track {
    flex-direction: column;
    width: 100%;
  }
  .prozess__stage.is-pinned .phase {
    width: 100%;
    flex: none;
  }
  .prozess__stage.is-pinned .prozess__rail {
    display: none;
  }
}

/* ---------------- 5 · Leistungen-Datenblatt ---------------- */
.sheet {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-600);
  border-left: 1px solid var(--line-600);
}
.sheet__cell {
  padding: var(--space-m);
  border-right: 1px solid var(--line-600);
  border-bottom: 1px solid var(--line-600);
  background: var(--steel-800);
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-width: 0;
  transition: background var(--dur-ui) var(--ease-snap);
}
.sheet__top {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.sheet__idx {
  font-size: var(--step-1);
  font-weight: 600;
  color: var(--text-muted);
}
.sheet__bar {
  height: 3px;
  width: 34px;
  background: var(--signal);
  display: inline-block;
}
.sheet__name {
  font-size: var(--step-2);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1.05;
  /* Deutsche Komposita (z. B. INDUSTRIESCHALLDÄMMUNG) brechen an manuell gesetzten
     &shy;-Punkten statt an einer Auto-Hyphen-Fehltrennung. */
  overflow-wrap: break-word;
}
.sheet__spec {
  font-size: var(--step--1);
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line-600);
  margin: 0;
}
.sheet__spec em {
  font-style: normal;
  color: var(--signal-dim);
}
.sheet__desc {
  font-size: var(--step-0);
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

@media (hover: hover) and (pointer: fine) {
  .sheet__cell:hover {
    background: var(--steel-700);
  }
}
@media (max-width: 820px) {
  .sheet {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 520px) {
  .sheet {
    grid-template-columns: 1fr;
  }
}

/* ---------------- 6 · Referenzen / Branchen ---------------- */
.register {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line-600);
  border-left: 1px solid var(--line-600);
}
.register__tag {
  padding: var(--space-m);
  border-right: 1px solid var(--line-600);
  border-bottom: 1px solid var(--line-600);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: var(--step-0);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  /* lange Komposita (LEBENSMITTELINDUSTRIE) notfalls brechen statt Zelle sprengen */
  overflow-wrap: anywhere;
}
.register__tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--signal);
  flex: 0 0 auto;
}
.register__quote {
  margin: var(--space-l) 0 0;
  padding-left: var(--space-m);
  border-left: 3px solid var(--signal);
}
.register__quote p {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-2);
  color: var(--text-primary);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  max-width: 40ch;
}
.register__note {
  margin: var(--space-m) 0 0;
  color: var(--text-muted);
}

@media (max-width: 860px) {
  .register {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 560px) {
  .register {
    grid-template-columns: 1fr;
  }
}

/* ---------------- 7 · Über FAS / Fakten ---------------- */
.ueber__grid {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-l);
  align-items: start;
}
.ueber__lead {
  font-size: var(--step-1);
  color: var(--text-primary);
  margin: 0 0 var(--space-m);
  line-height: 1.5;
}
.ueber__body {
  color: var(--text-secondary);
  margin: 0 0 var(--space-m);
  max-width: 62ch;
}
.ueber__facts {
  position: relative;
  background: var(--steel-800);
  border: 1px solid var(--line-600);
  padding: var(--space-m);
}
.facts__corner {
  position: absolute;
  width: 16px;
  height: 16px;
  border: 1px solid var(--signal);
  pointer-events: none;
}
.facts__corner--tl {
  top: 8px;
  left: 8px;
  border-right: 0;
  border-bottom: 0;
}
.facts__corner--br {
  bottom: 8px;
  right: 8px;
  border-left: 0;
  border-top: 0;
}
.facts__list {
  margin: 0;
}
.facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line-600);
}
.facts__row:last-child {
  border-bottom: 0;
}
.facts__row dt {
  color: var(--text-muted);
  flex: 0 0 auto;
}
.facts__row dd {
  margin: 0;
  color: var(--text-primary);
  text-align: right;
  font-size: var(--step-0);
}
.facts__todo {
  font-style: normal;
  color: var(--signal-dim);
}

@media (max-width: 860px) {
  .ueber__grid {
    grid-template-columns: 1fr;
  }
}

/* ---------------- 8 · DIN-Normen-Marquee ---------------- */
#normen {
  background: var(--ink-950);
  border-block: 1px solid var(--line-600);
  padding-block: var(--space-m);
  overflow: hidden;
}
.normen__pre {
  width: min(100% - 2rem, 1240px);
  margin: 0 auto var(--space-s);
  color: var(--text-muted);
  letter-spacing: 0.14em;
}
.normen__viewport {
  -webkit-mask-image: linear-gradient(
    to right,
    transparent,
    #000 8%,
    #000 92%,
    transparent
  );
  mask-image: linear-gradient(
    to right,
    transparent,
    #000 8%,
    #000 92%,
    transparent
  );
  /* clip statt hidden: verhindert horizontales Touch-Ziehen der breiten Laufschrift
     auf dem Handy (hidden erzeugt einen per Finger scrollbaren Container). */
  overflow: clip;
  touch-action: pan-y;
}
.normen__track {
  display: flex;
  width: max-content;
  will-change: transform;
}
.normen__group {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}
.normen__item {
  font-size: var(--step-1);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-inline: clamp(0.8rem, 0.5rem + 1vw, 1.6rem);
  white-space: nowrap;
}
.normen__sep {
  width: 4px;
  height: 4px;
  background: var(--signal);
  flex: 0 0 auto;
}

/* ---------------- 9 · Zink-Plattenband (HELL) ---------------- */
.zink {
  background: var(--zinc-plate);
  color: var(--ink-950);
  background-image:
    linear-gradient(var(--zinc-plate), var(--zinc-plate)),
    repeating-linear-gradient(
      180deg,
      rgb(16 19 22 / 0.03) 0,
      rgb(16 19 22 / 0.03) 1px,
      transparent 1px,
      transparent 4px
    );
}
.zink__inner {
  position: relative;
  border: 1px solid var(--line-600);
  padding: clamp(2rem, 1.5rem + 3vw, 4.5rem);
}
.zink__corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border: 1px solid var(--ink-950);
  pointer-events: none;
}
.zink__corner--tl {
  top: 12px;
  left: 12px;
  border-right: 0;
  border-bottom: 0;
}
.zink__corner--tr {
  top: 12px;
  right: 12px;
  border-left: 0;
  border-bottom: 0;
}
.zink__corner--bl {
  bottom: 12px;
  left: 12px;
  border-right: 0;
  border-top: 0;
}
.zink__corner--br {
  bottom: 12px;
  right: 12px;
  border-left: 0;
  border-top: 0;
}
.zink__kicker {
  color: #3f474d;
  display: inline-block;
  padding-left: 0.85rem;
  border-left: 3px solid var(--ink-950);
  margin-bottom: var(--space-s);
}
.zink__title {
  font-size: var(--step-3);
  color: var(--ink-950);
  text-transform: uppercase;
  letter-spacing: 0.01em;
  max-width: 22ch;
}
.zink__points {
  list-style: none;
  margin: var(--space-l) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-s);
  max-width: 66ch;
}
.zink__point {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  border-top: 1px solid rgb(16 19 22 / 0.18);
  padding-top: var(--space-s);
}
.zink__point .mono {
  color: var(--ink-950);
  font-size: var(--step-0);
}
.zink__mark {
  position: relative;
  width: 14px;
  height: 14px;
  flex: 0 0 auto;
  margin-top: 3px;
}
.zink__mark::before,
.zink__mark::after {
  content: "";
  position: absolute;
  background: var(--ink-950);
}
.zink__mark::before {
  top: 0;
  left: 0;
  width: 14px;
  height: 3px;
}
.zink__mark::after {
  top: 0;
  left: 0;
  width: 3px;
  height: 14px;
}
/* Gelb-Punkt am Eck-Marker (Signal-Anker) */
.zink__mark {
  box-shadow: 11px 11px 0 -2px var(--signal-dim);
}

/* ---------------- 10 · Kontakt / Anfrage ---------------- */
.kontakt__grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: var(--space-l);
  align-items: start;
}
.kontakt__tel {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border: 1px solid var(--line-600);
  background: var(--steel-800);
  margin-bottom: var(--space-m);
  padding: var(--space-s) var(--space-m);
  position: relative;
}
.kontakt__tel .nameplate-dot {
  position: absolute;
  top: 12px;
  right: 12px;
}
.kontakt__tel-num {
  font-size: var(--step-2);
  color: var(--text-primary);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.kontakt__tel {
  transition:
    border-color var(--dur-ui) var(--ease-snap),
    background var(--dur-ui) var(--ease-snap);
}
.kontakt__tel:hover {
  border-color: var(--line-500);
  background: var(--steel-700);
}
.kontakt__tel:active {
  transform: scale(0.99);
}
/* Anrufen + WhatsApp als Button-Paar (Typenschild-Stil, in-Grammatik) */
.kontakt__actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: var(--space-s);
  margin-bottom: var(--space-m);
}
.kontakt__actions .kontakt__tel {
  margin-bottom: 0;
}
.kontakt__actions .kontakt__tel-num {
  font-size: var(--step-1);
  white-space: nowrap;
}
.kontakt__action-lbl {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.kontakt__action-lbl svg {
  flex: 0 0 auto;
}

/* ---------------- 9b · Einblick-Video-Band (früheres Hero-Video) ---------------- */
.einblick {
  position: relative;
  min-height: 62vh;
  min-height: 62svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--ink-950);
  border-block: 1px solid var(--line-600);
  isolation: isolate;
}
.einblick__video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 45%;
  background: var(--ink-950) url("/media/werk-poster.webp") 62% 45% / cover
    no-repeat;
}
/* Mobil: den schweißenden Monteur + Funken (Bildmitte-rechts) in den Ausschnitt holen */
@media (max-width: 720px) {
  .einblick__video {
    object-position: 68% 45%;
    background-position: 68% 45%;
  }
}
.einblick__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    180deg,
    rgba(16, 19, 22, 0.15) 0%,
    rgba(16, 19, 22, 0.35) 55%,
    rgba(16, 19, 22, 0.8) 100%
  );
}
.einblick__corner {
  position: absolute;
  z-index: 2;
  width: 16px;
  height: 16px;
  border: 1px solid var(--line-500);
  pointer-events: none;
}
.einblick__corner--tl {
  top: 16px;
  left: 16px;
  border-right: 0;
  border-bottom: 0;
}
.einblick__corner--br {
  bottom: 16px;
  right: 16px;
  border-left: 0;
  border-top: 0;
}
.einblick__overlay {
  position: relative;
  z-index: 2;
  width: min(100% - 2rem, 1240px);
  margin-inline: auto;
  padding-block: var(--space-l);
}
.einblick__kicker {
  margin: 0 0 0.6rem;
}
.einblick__line {
  font-family: var(--font-display);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.02;
  font-size: var(--step-2);
  max-width: 24ch;
  color: var(--text-primary);
  margin: 0;
}
.einblick__line strong {
  color: #fff;
  font-weight: 800;
}

/* Demo: Turnstile-Widget (Test-Sitekey) ausgeblendet, bis der echte Cloudflare-Key
   gesetzt ist — verhindert die rote „Nur zu Testzwecken"-Warnung in der Vorschau. */
.cf-turnstile {
  display: none;
}

/* ---------------- Schwebende Schnellkontakt-Buttons (FAB) ---------------- */
.fab {
  position: fixed;
  right: clamp(12px, 2vw, 24px);
  bottom: clamp(12px, 2vw, 24px);
  z-index: 97;
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition:
    opacity var(--dur-ui) var(--ease-snap),
    transform var(--dur-ui) var(--ease-snap);
}
.fab.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.fab__btn {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border: 1px solid var(--line-600);
  background: var(--steel-800);
  color: var(--text-primary);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.38);
  transition:
    background var(--dur-ui) var(--ease-snap),
    border-color var(--dur-ui) var(--ease-snap),
    transform var(--dur-tick) var(--ease-snap);
}
.fab__btn:hover {
  background: var(--steel-700);
  border-color: var(--line-500);
}
.fab__btn:active {
  transform: scale(0.94);
}
.fab__btn--call {
  background: var(--signal);
  color: var(--ink-950);
  border-color: var(--signal);
}
.fab__btn--call:hover {
  background: var(--signal-dim);
  border-color: var(--signal-dim);
}
/* Mobil: über der Sticky-Bottom-Bar sitzen (kein Überlappen) */
@media (max-width: 720px) {
  .fab {
    bottom: calc(70px + env(safe-area-inset-bottom, 0px));
  }
  /* Anrufen ist schon in der Sticky-Bottom-Bar — im FAB nur WhatsApp lassen,
     sonst doppelter Call-Button + mehr Überlappung mit dem Inhalt. */
  .fab__btn--call {
    display: none;
  }
}
@media (prefers-reduced-motion: reduce) {
  .fab {
    transition: opacity var(--dur-ui) linear;
    transform: none;
  }
}
.kontakt__nap {
  margin: 0 0 var(--space-m);
  display: grid;
  gap: 0.9rem;
}
.kontakt__nap-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 1rem;
  align-items: baseline;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line-600);
}
.kontakt__nap-row dt {
  color: var(--text-muted);
}
.kontakt__nap-row dd {
  margin: 0;
  color: var(--text-secondary);
}
.kontakt__link {
  color: var(--text-primary);
}
.kontakt__link:hover {
  color: var(--signal);
}

/* Google-Maps Klick-to-Load-Fassade */
.mapfacade {
  position: relative;
  border: 1px solid var(--line-600);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--steel-800);
}
.mapfacade__poster {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 50% 45%,
    var(--steel-700),
    var(--steel-900) 70%
  );
}
.mapfacade__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-600) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-600) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.35;
}
.mapfacade__pin {
  position: absolute;
  left: 50%;
  top: 45%;
  width: 12px;
  height: 12px;
  transform: translate(-50%, -50%);
  background: var(--signal);
  box-shadow: 0 0 0 4px rgb(255 209 0 / 0.18);
}
.mapfacade__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-s);
  text-align: center;
  padding: var(--space-m);
  background: rgb(16 19 22 / 0.55);
}
.mapfacade__text {
  color: var(--text-secondary);
  font-size: var(--step--1);
  max-width: 34ch;
  margin: 0;
}

/* Formular — technisches Anfrage-Formblatt */
.form {
  border: 1px solid var(--line-600);
  background: var(--steel-800);
  padding: clamp(1.25rem, 1rem + 1.5vw, 2.25rem);
  display: grid;
  gap: var(--space-s);
}
.form__hp {
  position: absolute;
  left: -9999px;
}
.form__row {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}
.form__grid2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-s);
}
.form__label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--step--1);
  color: var(--text-muted);
}
.form__label span {
  color: var(--signal-dim);
}
.form__input {
  font-family: var(--font-body);
  font-size: 16px; /* iOS-Zoom-Falle vermeiden */
  color: var(--text-primary);
  background: var(--steel-900);
  border: 1px solid var(--line-600);
  border-radius: 0;
  padding: 0.75rem 0.85rem;
  width: 100%;
  min-height: 46px;
  transition: border-color var(--dur-tick) var(--ease-snap);
  -webkit-appearance: none;
  appearance: none;
}
.form__input::placeholder {
  color: var(--text-muted);
  opacity: 0.7;
}
.form__input:focus {
  outline: none;
  border-color: var(--signal);
}
.form__textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.5;
}
.form__turnstile {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: var(--space-s);
  border: 1px dashed var(--line-500);
}
.form__turnstile-note {
  color: var(--text-muted);
}
.form__consent {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
  margin-top: 0.4rem;
}
.form__checkbox {
  width: 24px;
  height: 24px;
  margin-top: 2px;
  accent-color: var(--signal);
  flex: 0 0 auto;
}
.form__consent-text {
  font-size: var(--step--1);
  color: var(--text-secondary);
  line-height: 1.5;
}
.form__consent-link {
  color: var(--signal-dim);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.form__foot {
  display: flex;
  align-items: center;
  gap: var(--space-m);
  flex-wrap: wrap;
  margin-top: 0.4rem;
}
.form__submit {
  border: none;
}
.form__req {
  color: var(--text-muted);
}
.form__success {
  margin: 0;
  padding: var(--space-s) var(--space-m);
  border-left: 3px solid var(--signal);
  background: var(--steel-900);
  color: var(--text-primary);
  font-size: var(--step-0);
}

@media (max-width: 860px) {
  .kontakt__grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  .form__grid2 {
    grid-template-columns: 1fr;
  }
  .kontakt__nap-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}

/* ---------------- 11 · Footer ---------------- */
#site-footer {
  background: var(--ink-950);
  border-top: 1px solid var(--line-600);
  padding-block: var(--space-xl) var(--space-l);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1.4fr 1fr 1fr;
  gap: var(--space-l);
}
.footer__plate {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.7rem;
}
.footer__plate-mark {
  font-size: var(--step-1);
  font-weight: 800;
  color: var(--text-primary);
}
.footer__claim {
  margin: var(--space-s) 0 0;
  color: var(--text-muted);
  font-size: var(--step--1);
  max-width: 32ch;
}
.footer__head {
  display: block;
  margin-bottom: var(--space-s);
  color: var(--text-secondary);
}
.footer__nap {
  font-style: normal;
  color: var(--text-secondary);
  font-size: var(--step--1);
  line-height: 1.8;
}
.footer__nav {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  align-items: flex-start;
}
.footer__link {
  color: var(--text-secondary);
  font-size: var(--step--1);
  transition: color var(--dur-tick) var(--ease-snap);
}
.footer__legal {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: var(--font-body);
  text-align: left;
}
.footer__link:hover {
  color: var(--signal);
}
.footer__bottom {
  margin-top: var(--space-l);
  padding-top: var(--space-m);
  border-top: 1px solid var(--line-600);
}
.footer__copy {
  color: var(--text-muted);
  font-size: var(--step--1);
  margin: 0;
}

@media (max-width: 960px) {
  /* Platz für die Mobile-Sticky-Bottom-Bar (54px + Safe-Area) */
  #site-footer {
    padding-bottom: calc(var(--space-l) + 54px + env(safe-area-inset-bottom));
  }
}
@media (max-width: 860px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 520px) {
  .footer__grid {
    grid-template-columns: 1fr;
  }
}

/* ---------------- Legal-Overlays (dialog) ---------------- */
.legal {
  width: min(92vw, 640px);
  max-height: 86vh;
  padding: 0;
  border: 1px solid var(--line-600);
  background: var(--steel-800);
  color: var(--text-primary);
}
.legal::backdrop {
  background: rgb(16 19 22 / 0.78);
}
.legal__inner {
  padding: var(--space-m);
}
.legal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: var(--space-s);
  border-bottom: 1px solid var(--line-600);
  margin-bottom: var(--space-s);
}
.legal__title {
  font-size: var(--step-2);
  text-transform: uppercase;
  color: var(--text-primary);
}
.legal__close {
  width: 44px;
  height: 44px;
  background: transparent;
  border: 1px solid var(--line-600);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1rem;
}
.legal__close:active {
  transform: scale(0.95);
}
.legal__body p {
  color: var(--text-secondary);
  margin: 0 0 var(--space-s);
  font-size: var(--step-0);
}
.legal__body strong {
  color: var(--text-primary);
}
.legal__todo {
  color: var(--signal-dim);
  font-size: var(--step--1);
}
.legal__more {
  color: var(--signal-dim);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ---------------- 10b · FAQ (seo-technik: dezent, mono, Hairline, kein Glow) ---------------- */
.faq__list {
  display: flex;
  flex-direction: column;
  max-width: 74ch;
}
.faq__item {
  border-bottom: 1px solid var(--line-600);
}
.faq__item:first-child {
  border-top: 1px solid var(--line-600);
}
.faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-s);
  padding-block: var(--space-s);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--step-0);
  color: var(--text-primary);
}
.faq__q::-webkit-details-marker {
  display: none;
}
.faq__q::marker {
  content: "";
}
.faq__icon {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}
.faq__icon::before,
.faq__icon::after {
  content: "";
  position: absolute;
  background: var(--text-muted);
}
.faq__icon::before {
  inset: 6px 0;
  height: 1px;
}
.faq__icon::after {
  inset: 0 6px;
  width: 1px;
  transition: transform var(--dur-ui) var(--ease-snap);
}
details[open] > .faq__q .faq__icon::after {
  transform: scaleY(0);
}
.faq__a {
  margin: 0 0 var(--space-s);
  padding-right: 1.5rem;
  max-width: 64ch;
  color: var(--text-secondary);
  font-size: var(--step-0);
  line-height: 1.55;
}
.faq__link {
  color: var(--text-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.faq__link:hover {
  color: var(--signal-dim);
}

/* reduced-motion: Marquee steht still, zentriert */
@media (prefers-reduced-motion: reduce) {
  .normen__track {
    transform: none !important;
    justify-content: center;
    width: 100%;
  }
  .normen__group:nth-child(2) {
    display: none;
  }
  .normen__viewport {
    -webkit-mask-image: none;
    mask-image: none;
  }
}