/* ═══════════════════════════════════════════════════════════════════════════
   OPERATOR4YOU — style.css
   Struktur:
   01  Fonts (@font-face)
   02  Reset & Grundsetup
   03  CSS-Variablen
   04  Grundlayout / Body / Grain
   05  Typografie
   06  Navigation
   07  Buttons
   08  Hero
   09  Marquee
   10  Sections – Basisstile
   11  Leistungen
   12  Weichen-Divider (Cinematic Parallax)
   13  Gleisbau
   14  Technik
   15  Einsatzgebiet
   16  CTA
   17  Footer
   18  Utilities / Animationen
   19  Reduced Motion
   20  Responsive Breakpoints
═══════════════════════════════════════════════════════════════════════════ */


/* ═══════════════════════════════════════════════════════════════════════════
   01  FONTS (@font-face)
   Dateien liegen unter /assets/fonts/barlow/ und /assets/fonts/barlow-condensed/
   Download-Liste: siehe README.md
═══════════════════════════════════════════════════════════════════════════ */

/* Barlow — Body-Schrift */
@font-face {
  font-family: 'Barlow';
  /* Barlow Light (300) war nicht im Font-Paket enthalten.
     Die Regular-Datei deckt 300–400 ab; der Browser nutzt keine künstliche Gewichts-Simulation. */
  src: url('../fonts/barlow/barlow-regular.woff2') format('woff2');
  font-weight: 300 400;
  font-style: normal;
  font-display: swap;
}
/* barlow-medium entfernt — weight 500 wird nicht genutzt */

/* Barlow Condensed — Display-Schrift */
/* barlow-condensed-light entfernt — weight 300 auf Condensed wird nicht genutzt */
/* barlow-condensed-semibold entfernt — weight 600 wird nicht genutzt */
@font-face {
  font-family: 'Barlow Condensed';
  src: url('../fonts/barlow-condensed/barlow-condensed-bold.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Barlow Condensed';
  src: url('../fonts/barlow-condensed/barlow-condensed-bold-italic.woff2') format('woff2');
  font-weight: 700;
  font-style: italic;
  font-display: swap;
}
@font-face {
  font-family: 'Barlow Condensed';
  src: url('../fonts/barlow-condensed/barlow-condensed-black.woff2') format('woff2');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}


/* ═══════════════════════════════════════════════════════════════════════════
   02  RESET & GRUNDSETUP
═══════════════════════════════════════════════════════════════════════════ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

img {
  max-width: 100%;
  display: block;
}


/* ═══════════════════════════════════════════════════════════════════════════
   03  CSS-VARIABLEN
═══════════════════════════════════════════════════════════════════════════ */

:root {
  /* Farben */
  --bg:           #111210;
  --surface:      #1a1c19;
  --surface2:     #222420;
  --orange:       #f5820a;
  --orange-dim:   rgba(245, 130, 10, 0.12);
  --orange-glow:  rgba(245, 130, 10, 0.22);
  --yellow:       #f5c842;
  --text:         #e8e4dc;
  --muted:        #7a7870;
  --border:       #2a2c28;
  --white:        #f0ede6;

  /* Typografie */
  --font-cond:    'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body:    'Barlow', Arial, sans-serif;

  /* Abstände */
  --space-xs:     0.5rem;
  --space-sm:     1rem;
  --space-md:     2rem;
  --space-lg:     4rem;
  --space-xl:     7rem;

  /* Radien & Formen */
  --clip-hex:     polygon(0 0, 85% 0, 100% 15%, 100% 100%, 15% 100%, 0 85%);
  --clip-btn:     polygon(0 0, 93% 0, 100% 18%, 100% 100%, 7% 100%, 0 82%);
  --clip-btn-sm:  polygon(0 0, 92% 0, 100% 20%, 100% 100%, 8% 100%, 0 80%);
  --clip-card:    polygon(0 0, 90% 0, 100% 8%, 100% 100%, 10% 100%, 0 92%);

  /* Schatten */
  --shadow-orange: 0 16px 40px rgba(245, 130, 10, 0.35);
}


/* ═══════════════════════════════════════════════════════════════════════════
   04  GRUNDLAYOUT / BODY / GRAIN
═══════════════════════════════════════════════════════════════════════════ */

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-weight: 300;
  overflow-x: hidden;
}

/* Film-Grain Overlay — inline SVG als data-URI (keine externe Ressource) */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.038'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9000;
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--orange); }


/* ═══════════════════════════════════════════════════════════════════════════
   05  TYPOGRAFIE
═══════════════════════════════════════════════════════════════════════════ */

h1, h2, h3 {
  font-family: var(--font-cond);
  text-transform: uppercase;
  line-height: 0.95;
  letter-spacing: -0.01em;
}

h2 em,
h1 em {
  font-style: italic;
  color: var(--orange);
}

p {
  line-height: 1.85;
  color: var(--muted);
}

a {
  color: inherit;
}


/* ═══════════════════════════════════════════════════════════════════════════
   06  NAVIGATION
═══════════════════════════════════════════════════════════════════════════ */

.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.2rem var(--space-lg);
  background: rgba(17, 18, 16, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: border-color 0.3s;
}

.site-nav.is-scrolled {
  border-bottom-color: rgba(245, 130, 10, 0.2);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
}

.nav-logo-mark {
  width: 36px;
  height: 36px;
  background: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: 1.1rem;
  color: #111;
  clip-path: var(--clip-hex);
}

.nav-logo-text {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
  color: var(--text);
  text-transform: uppercase;
}

.nav-logo-text span {
  color: var(--orange);
}

/* Nav-Links */
.nav-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--orange);
}

.nav-links a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

/* Subpage Nav (Impressum/Datenschutz) */
.site-nav--subpage {
  position: relative;
}


/* ═══════════════════════════════════════════════════════════════════════════
   07  BUTTONS
═══════════════════════════════════════════════════════════════════════════ */

.btn-call {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--orange);
  color: #111;
  padding: 0.6rem 1.4rem;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  clip-path: var(--clip-btn-sm);
  transition: background 0.2s, transform 0.2s;
}

.btn-call:hover {
  background: var(--yellow);
  transform: translateY(-1px);
}

.btn-call:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  background: var(--orange);
  color: #111;
  padding: 1rem 2.2rem;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  clip-path: var(--clip-btn);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.btn-primary:hover {
  background: var(--yellow);
  transform: translateY(-2px);
  box-shadow: var(--shadow-orange);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.btn-primary--cta {
  margin-top: 0.5rem;
}

.btn-ghost-hero {
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  padding-bottom: 2px;
  transition: color 0.2s, border-color 0.2s;
}

.btn-ghost-hero:hover {
  color: var(--text);
  border-color: var(--muted);
}

.btn-ghost-hero:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}


/* ═══════════════════════════════════════════════════════════════════════════
   08  HERO
═══════════════════════════════════════════════════════════════════════════ */

.hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 10rem var(--space-lg) 5rem;
  overflow: hidden;
}

/* Diagonale Streifen */
.hero-stripes {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -55deg,
    transparent,
    transparent 80px,
    rgba(245, 130, 10, 0.022) 80px,
    rgba(245, 130, 10, 0.022) 82px
  );
  pointer-events: none;
}

/* Rechtes Maschinen-Panel */
.hero-machine {
  position: absolute;
  right: -2%;
  bottom: 0;
  width: 65%;
  height: 90%;
  background:
    radial-gradient(ellipse 60% 80% at 60% 80%, rgba(245, 130, 10, 0.07) 0%, transparent 70%),
    linear-gradient(160deg, transparent 30%, rgba(245, 130, 10, 0.04) 100%);
  clip-path: polygon(15% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.hero-machine::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 40px,
    rgba(255, 255, 255, 0.015) 40px,
    rgba(255, 255, 255, 0.015) 41px
  );
}

/* Vertikale Akzentlinie */
.hero-line {
  position: absolute;
  left: var(--space-lg);
  top: 10rem;
  bottom: 5rem;
  width: 2px;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--orange) 30%,
    var(--orange) 70%,
    transparent
  );
}

.hero-line::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--orange);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--orange);
}

/* Inhalt */
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding-left: 3rem;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--orange-dim);
  border: 1px solid rgba(245, 130, 10, 0.3);
  color: var(--orange);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 0.35rem 0.9rem;
  margin-bottom: 2rem;
  clip-path: polygon(0 0, 95% 0, 100% 30%, 100% 100%, 5% 100%, 0 70%);
  opacity: 0;
  animation: fade-up 0.7s 0.2s forwards;
}

.hero-tag::before {
  content: '◆';
  font-size: 0.4rem;
}

/* H1 */
h1.hero-title {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(4rem, 10vw, 9rem);
  line-height: 0.92;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  opacity: 0;
  animation: fade-up 0.7s 0.35s forwards;
}

h1.hero-title .line2 {
  display: block;
  -webkit-text-stroke: 2px var(--orange);
  color: transparent;
  font-style: italic;
}

h1.hero-title .line3 {
  display: block;
  font-size: clamp(1.8rem, 3.5vw, 3.5rem);
  font-weight: 300;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-top: 1rem;
  font-style: normal;
  -webkit-text-stroke: 0;
}

.hero-sub {
  max-width: 500px;
  margin-top: 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.85;
  opacity: 0;
  animation: fade-up 0.7s 0.5s forwards;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-top: 3rem;
  opacity: 0;
  animation: fade-up 0.7s 0.65s forwards;
}

/* Statistik-Leiste */
.hero-stats {
  display: flex;
  gap: 0;
  margin-top: 5rem;
  border-top: 1px solid var(--border);
  border-left: 1px solid var(--border);
  opacity: 0;
  animation: fade-up 0.7s 0.8s forwards;
}

.hero-stat {
  flex: 1;
  padding: 1.5rem 2rem;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.hero-stat-value {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 2.4rem;
  color: var(--orange);
  line-height: 1;
  margin-bottom: 0.3rem;
}

.hero-stat-label {
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}


/* ═══════════════════════════════════════════════════════════════════════════
   09  MARQUEE
═══════════════════════════════════════════════════════════════════════════ */

.marquee-bar {
  background: var(--orange);
  padding: 0.8rem 0;
  overflow: hidden;
}

.marquee-track {
  display: flex;
  animation: marquee 22s linear infinite;
  white-space: nowrap;
}

.marquee-track span {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #111;
  padding: 0 2rem;
}

.marquee-track .sep {
  color: rgba(0, 0, 0, 0.3);
}


/* ═══════════════════════════════════════════════════════════════════════════
   10  SECTIONS – BASISSTILE
═══════════════════════════════════════════════════════════════════════════ */

section {
  padding: var(--space-xl) var(--space-lg);
}

.sec-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 2rem;
}

.sec-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--orange);
  flex-shrink: 0;
}

.check-list {
  list-style: none;
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.check-list--spaced {
  margin-top: 1.5rem;
}

.check-list li {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.6;
}

.check-list li::before {
  content: '◆';
  color: var(--orange);
  font-size: 0.5rem;
  flex-shrink: 0;
  margin-top: 0.3rem;
}


/* ═══════════════════════════════════════════════════════════════════════════
   11  LEISTUNGEN
═══════════════════════════════════════════════════════════════════════════ */

.leistungen-section {
  border-top: 1px solid var(--border);
}

.leistungen-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: end;
  margin-bottom: 5rem;
}

.leistungen-intro h2 {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 0.95;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.leistungen-intro h2 em {
  font-style: italic;
  color: var(--orange);
}

.leistungen-intro p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.9;
}

.leistungen-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
}

.leistung-card {
  background: var(--surface);
  padding: 3rem 2.5rem;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}

.leistung-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.4s ease;
}

.leistung-card:hover::before {
  transform: scaleY(1);
}

.leistung-card:hover {
  background: rgba(245, 130, 10, 0.03);
}

.leistung-num {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: 4rem;
  line-height: 1;
  color: rgba(245, 130, 10, 0.08);
  margin-bottom: 1.5rem;
  transition: color 0.3s;
}

.leistung-card:hover .leistung-num {
  color: rgba(245, 130, 10, 0.15);
}

.leistung-icon {
  width: 48px;
  height: 48px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--orange);
  transition: border-color 0.3s, background 0.3s;
  clip-path: var(--clip-hex);
}

.leistung-card:hover .leistung-icon {
  border-color: var(--orange);
  background: var(--orange-dim);
}

.leistung-card h3 {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
  color: var(--text);
}

.leistung-card p {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.9;
}

.leistung-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1.5rem;
}

.leistung-tags span {
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid rgba(245, 130, 10, 0.25);
  padding: 0.2rem 0.6rem;
  background: var(--orange-dim);
}


/* ═══════════════════════════════════════════════════════════════════════════
   12  WEICHEN-DIVIDER (CINEMATIC PARALLAX)
═══════════════════════════════════════════════════════════════════════════ */

.weichen-divider {
  position: relative;
  height: 520px;
  overflow: hidden;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

/* Hintergrundbild */
.weichen-divider__bg {
  position: absolute;
  inset: -15%;
  /* Fallback für Browser ohne image-set-Support */
  background-image: url('../img/doppelte-weiche.jpg');
  /* WebP bevorzugt, JPG als Fallback */
  background-image: image-set(
    url('../img/doppelte-weiche.webp') type('image/webp'),
    url('../img/doppelte-weiche.jpg')  type('image/jpeg')
  );
  background-size: cover;
  background-position: center 40%;
  will-change: transform;
  /* Parallax-Offset wird via JS als CSS Custom Property gesetzt */
  transform: translateY(var(--parallax-offset, 0px));
  /* Cinematic Color Grade: kühler Grundton, Amber-Boost im Mittelteil */
  filter: brightness(0.55) saturate(1.1) contrast(1.05);
}

/* Amber-Glow über dem Weichen-Kreuzungspunkt */
.weichen-divider__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 40% 50% at 50% 42%, rgba(255, 155, 20, 0.28) 0%, transparent 65%),
    radial-gradient(ellipse 80% 60% at 50% 50%, rgba(245, 130, 10, 0.06) 0%, transparent 80%);
  pointer-events: none;
}

/* Vignette */
.weichen-divider__vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 90% 90% at 50% 50%,
    transparent 40%,
    rgba(17, 18, 16, 0.85) 100%
  );
  pointer-events: none;
}

/* Sektionsübergang oben */
.weichen-divider__fade-top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 140px;
  background: linear-gradient(to bottom, var(--bg) 0%, transparent 100%);
  pointer-events: none;
  z-index: 2;
}

/* Sektionsübergang unten */
.weichen-divider__fade-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 140px;
  background: linear-gradient(to top, var(--surface) 0%, transparent 100%);
  pointer-events: none;
  z-index: 2;
}

/* Horizontale Linien-Akzente */
.weichen-divider__lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.weichen-divider__lines::before,
.weichen-divider__lines::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(245, 130, 10, 0.25) 30%,
    rgba(245, 130, 10, 0.25) 70%,
    transparent
  );
}

.weichen-divider__lines::before { top: 30%; }
.weichen-divider__lines::after  { bottom: 30%; }

/* Text-Inhalt */
.weichen-divider__content {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 3;
  text-align: center;
  padding: 0 2rem;
}

.weichen-divider__eyebrow {
  font-size: 0.6rem;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 1.2rem;
  opacity: 0.9;
}

.weichen-divider__headline {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(2.5rem, 6vw, 5.5rem);
  text-transform: uppercase;
  line-height: 0.9;
  letter-spacing: -0.01em;
  color: var(--white);
  text-shadow: 0 4px 40px rgba(0, 0, 0, 0.6);
}

.weichen-divider__headline em {
  display: block;
  font-style: italic;
  -webkit-text-stroke: 1.5px var(--orange);
  color: transparent;
}

.weichen-divider__sub {
  margin-top: 1.2rem;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(232, 228, 220, 0.5);
}


/* ═══════════════════════════════════════════════════════════════════════════
   13  GLEISBAU
═══════════════════════════════════════════════════════════════════════════ */

.gleisbau-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.gleisbau-section::before {
  content: 'GLEIS';
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%) rotate(90deg);
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: 14rem;
  color: rgba(245, 130, 10, 0.025);
  white-space: nowrap;
  pointer-events: none;
  letter-spacing: -0.02em;
}

.gleisbau-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 6rem;
  align-items: center;
}

.gleisbau-visual {
  position: relative;
  aspect-ratio: 4 / 5;
}

.gleisbau-box {
  width: 100%;
  height: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  clip-path: var(--clip-card);
}

/* Schienen-Muster */
.rail-pattern {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.rail {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 6px;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(245, 130, 10, 0.3) 20%,
    rgba(245, 130, 10, 0.3) 80%,
    transparent
  );
}

.rail--left  { left: 30%; }
.rail--right { left: 60%; }

.sleeper {
  position: absolute;
  left: 10%;
  right: 10%;
  height: 4px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 1px;
}

.sleeper--1  { top: 8%; }
.sleeper--2  { top: 16%; }
.sleeper--3  { top: 24%; }
.sleeper--4  { top: 32%; }
.sleeper--5  { top: 40%; }
.sleeper--6  { top: 48%; }
.sleeper--7  { top: 56%; }
.sleeper--8  { top: 64%; }
.sleeper--9  { top: 72%; }
.sleeper--10 { top: 80%; }
.sleeper--11 { top: 88%; }

.gleisbau-box__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(245, 130, 10, 0.06) 0%, transparent 60%);
}

.gleisbau-box__label {
  position: absolute;
  top: 2rem;
  left: 2rem;
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: 5rem;
  line-height: 1;
  color: rgba(245, 130, 10, 0.1);
  letter-spacing: -0.02em;
  pointer-events: none;
}

/* Badge */
.gleisbau-badge {
  position: absolute;
  bottom: 2rem;
  right: -1rem;
  background: var(--orange);
  color: #111;
  padding: 1.2rem 1.5rem;
  clip-path: var(--clip-hex);
  text-align: center;
}

.gleisbau-badge-value {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: 2rem;
  line-height: 1;
  display: block;
}

.gleisbau-badge-label {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  display: block;
  margin-top: 0.2rem;
}

/* Text-Spalte */
.gleisbau-text h2 {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  text-transform: uppercase;
  line-height: 0.95;
  margin-bottom: 2rem;
  letter-spacing: -0.01em;
}

.gleisbau-text h2 em {
  font-style: italic;
  -webkit-text-stroke: 1.5px var(--orange);
  color: transparent;
  display: block;
}

.gleisbau-text p {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.9;
  margin-bottom: 1.2rem;
}


/* ═══════════════════════════════════════════════════════════════════════════
   14  TECHNIK
═══════════════════════════════════════════════════════════════════════════ */

.technik-section {
  border-top: 1px solid var(--border);
}

.technik-header {
  max-width: 700px;
  margin-bottom: 4rem;
}

.technik-header h2 {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 4rem);
  text-transform: uppercase;
  line-height: 0.95;
  margin-bottom: 1.5rem;
}

.technik-header h2 em {
  font-style: italic;
  color: var(--orange);
}

.technik-header p {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.9;
  max-width: 520px;
}

.technik-features {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.technik-feature {
  background: var(--bg);
  padding: 2.5rem 2rem;
  position: relative;
  transition: background 0.3s;
}

.technik-feature:hover {
  background: var(--surface);
}

.technik-feature::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 2rem;
  right: 2rem;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transition: transform 0.3s;
}

.technik-feature:hover::after {
  transform: scaleX(1);
}

.tf-icon {
  font-size: 2rem;
  margin-bottom: 1.2rem;
  filter: grayscale(1) brightness(1.5);
}

.technik-feature h3 {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
  color: var(--text);
}

.technik-feature p {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.8;
}


/* ═══════════════════════════════════════════════════════════════════════════
   15  EINSATZGEBIET
═══════════════════════════════════════════════════════════════════════════ */

.einsatz-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.einsatz-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 6rem;
  align-items: center;
}

.einsatz-text h2 {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(2.5rem, 4vw, 3.8rem);
  text-transform: uppercase;
  line-height: 0.95;
  margin-bottom: 2rem;
}

.einsatz-text h2 em {
  font-style: italic;
  color: var(--orange);
  display: block;
}

.einsatz-text p {
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.9;
  margin-bottom: 1.2rem;
}

/* Karte mit Grid-Muster */
.coverage-map {
  position: relative;
  aspect-ratio: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: polygon(0 0, 88% 0, 100% 12%, 100% 100%, 12% 100%, 0 88%);
  overflow: hidden;
}

.map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245, 130, 10, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 130, 10, 0.06) 1px, transparent 1px);
  background-size: 40px 40px;
}

.map-center {
  position: relative;
  z-index: 1;
  text-align: center;
}

.map-pulse {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--orange-dim);
  border: 2px solid var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  position: relative;
  animation: pulse-ring 2s ease-out infinite;
}

.map-pulse::before,
.map-pulse::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(245, 130, 10, 0.4);
  animation: pulse-ring 2s ease-out infinite;
}

.map-pulse::before { width: 120px; height: 120px; animation-delay: 0.3s; }
.map-pulse::after  { width: 160px; height: 160px; animation-delay: 0.6s; }

.map-pulse svg {
  color: var(--orange);
  position: relative;
  z-index: 1;
}

.map-center p {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text);
}

.map-center small {
  font-size: 0.7rem;
  color: var(--orange);
  letter-spacing: 0.15em;
}


/* ═══════════════════════════════════════════════════════════════════════════
   16  CTA
═══════════════════════════════════════════════════════════════════════════ */

.cta-section {
  border-top: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 8rem var(--space-lg);
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse 70% 60% at 50% 60%,
    rgba(245, 130, 10, 0.07) 0%,
    transparent 70%
  );
  pointer-events: none;
}

/* Hazard-Streifen oben */
.cta-section::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(
    90deg,
    var(--orange) 0px, var(--orange) 20px,
    #111 20px, #111 40px
  );
}

.cta-section h2 {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(3rem, 7vw, 6.5rem);
  text-transform: uppercase;
  line-height: 0.92;
  margin-bottom: 1.5rem;
  position: relative;
}

.cta-section h2 em {
  font-style: italic;
  -webkit-text-stroke: 2px var(--orange);
  color: transparent;
  display: block;
}

.cta-section > p {
  color: var(--muted);
  font-size: 0.9rem;
  max-width: 420px;
  margin: 0 auto 3rem;
  line-height: 1.8;
  position: relative;
}

.cta-box {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 3rem 4rem;
  position: relative;
  clip-path: polygon(0 0, 95% 0, 100% 5%, 100% 100%, 5% 100%, 0 95%);
}

.cta-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--orange), transparent);
}

.phone-big {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(2rem, 4vw, 3.5rem);
  color: var(--text);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color 0.2s;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.phone-big:hover {
  color: var(--orange);
}

.phone-big svg {
  color: var(--orange);
}

.cta-hint {
  font-size: 0.7rem;
  color: var(--muted);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}


/* ═══════════════════════════════════════════════════════════════════════════
   17  FOOTER
═══════════════════════════════════════════════════════════════════════════ */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  padding: 2.5rem var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-left {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.footer-logo-text {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  color: #9a9690; /* Erhöhter Kontrast auf --surface: ~5.8:1, AA bestanden */
  text-decoration: none;
  text-transform: uppercase;
}

.footer-logo-text span {
  color: var(--orange);
}

.footer-copy {
  font-size: 0.7rem;
  color: #9a9690; /* Erhöhter Kontrast auf --surface: ~5.8:1, AA bestanden */
  letter-spacing: 0.05em;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: #9a9690; /* Erhöhter Kontrast auf --surface: ~5.8:1, AA bestanden */
  text-decoration: none;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-links a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.b2b-badge {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid rgba(245, 130, 10, 0.25);
  padding: 0.2rem 0.6rem;
  background: var(--orange-dim);
}

/* ─── Subpage-Layouts (Impressum / Datenschutz) ─── */

.page-header {
  padding: 10rem var(--space-lg) 4rem;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -55deg,
    transparent,
    transparent 80px,
    rgba(245, 130, 10, 0.018) 80px,
    rgba(245, 130, 10, 0.018) 82px
  );
  pointer-events: none;
}

.page-header .sec-label {
  margin-bottom: 1rem;
}

.page-header h1 {
  font-family: var(--font-cond);
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 6rem);
  text-transform: uppercase;
  line-height: 0.92;
  position: relative;
}

.page-content {
  max-width: 860px;
  padding: 5rem var(--space-lg);
  margin: 0 auto;
}

.page-content h2 {
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin: 3rem 0 1rem;
  color: var(--text);
  border-left: 3px solid var(--orange);
  padding-left: 1rem;
}

.page-content h2:first-child {
  margin-top: 0;
}

.page-content p {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--muted);
  margin-bottom: 1rem;
}

.page-content a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 130, 10, 0.3);
  transition: border-color 0.2s;
}

.page-content a:hover {
  border-color: var(--orange);
}

.page-content address {
  font-style: normal;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.9;
  margin-bottom: 1rem;
}

.placeholder-box {
  background: var(--surface);
  border: 1px dashed rgba(245, 130, 10, 0.35);
  padding: 2rem;
  margin: 1.5rem 0;
  position: relative;
}

.placeholder-box::before {
  content: '[ PLATZHALTER — ORIGINAL-TEXT EINSETZEN ]';
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--orange);
  margin-bottom: 0.8rem;
}

.placeholder-box p {
  font-size: 0.82rem;
  color: var(--muted);
  font-style: italic;
}


/* ═══════════════════════════════════════════════════════════════════════════
   18  UTILITIES / ANIMATIONEN
═══════════════════════════════════════════════════════════════════════════ */

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@keyframes pulse-ring {
  0%   { opacity: 1; transform: scale(0.8); }
  100% { opacity: 0; transform: scale(1.3); }
}

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s, transform 0.7s;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}


/* ═══════════════════════════════════════════════════════════════════════════
   19  REDUCED MOTION
═══════════════════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  h1.hero-title,
  .hero-tag,
  .hero-sub,
  .hero-actions,
  .hero-stats {
    opacity: 1;
    animation: none;
  }

  .marquee-track {
    animation: none;
  }

  .map-pulse,
  .map-pulse::before,
  .map-pulse::after {
    animation: none;
  }
}


/* ═══════════════════════════════════════════════════════════════════════════
   20  RESPONSIVE BREAKPOINTS
═══════════════════════════════════════════════════════════════════════════ */

@media (max-width: 1200px) {
  .leistungen-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 900px) {
  .site-nav {
    padding: 1rem 1.5rem;
  }

  .nav-links {
    display: none;
  }

  .hero,
  section {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .cta-section {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .site-footer {
    padding: 2rem 1.5rem;
  }

  .page-header {
    padding: 8rem 1.5rem 3rem;
  }

  .page-content {
    padding: 3rem 1.5rem;
  }

  h1.hero-title {
    font-size: clamp(3rem, 13vw, 6rem);
  }

  .hero-stats {
    flex-wrap: wrap;
  }

  .leistungen-intro {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .leistungen-grid {
    grid-template-columns: 1fr;
  }

  .gleisbau-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .einsatz-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .technik-features {
    grid-template-columns: 1fr 1fr;
  }

  .weichen-divider {
    height: 340px;
  }

  .weichen-divider__headline {
    font-size: clamp(2rem, 9vw, 3.5rem);
  }

  .site-footer {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

  .footer-left {
    flex-direction: column;
    gap: 1rem;
  }
}

@media (max-width: 600px) {
  .technik-features {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-box {
    padding: 2rem 1.5rem;
    width: 100%;
  }

  .weichen-divider {
    height: 260px;
  }

  .weichen-divider__fade-top,
  .weichen-divider__fade-bottom {
    height: 80px;
  }
}