/* =======================================================
   Christopher Hanser – Technisches Projektbüro
   Design System & Stylesheet
   ======================================================= */

/* -------------------------------------------------------
   SUBPAGE STYLES
   ------------------------------------------------------- */

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: var(--text-sm);
  color: var(--text-faint);
  margin-bottom: var(--space-5);
}
.breadcrumb a { color: var(--text-muted); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb .sep { color: var(--text-faint); }
.breadcrumb .current { color: var(--text-primary); }

/* Page Hero (subpages) */
.page-hero {
  background: var(--bg-2);
  border-bottom: 1px solid var(--line);
  padding-block: var(--space-12) var(--space-10);
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.15;
  pointer-events: none;
}
.page-hero.has-hero-img {
  background-size: cover;
  background-position: center;
  border-bottom: none;
}
.page-hero.has-hero-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--hero-img);
  background-size: 1400px auto;
  background-position: center -220px;
  background-repeat: no-repeat;
  opacity: 0.7;
  mix-blend-mode: screen;
  -webkit-mask-image: radial-gradient(ellipse 800px 520px at center 220px, #000 15%, transparent 65%);
  mask-image: radial-gradient(ellipse 800px 520px at center 220px, #000 15%, transparent 65%);
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .section--alt { position: relative; z-index: 1; background: transparent; }

/* Hero variant: let the background image bleed into the following section
   instead of being clipped at the hero's bottom edge. */
.page-hero.has-hero-img.hero-overlap {
  overflow: visible;
}
.page-hero.has-hero-img.hero-overlap::after {
  bottom: -220px;
  -webkit-mask-image: radial-gradient(ellipse 900px 760px at center 260px, #000 20%, transparent 78%);
  mask-image: radial-gradient(ellipse 900px 760px at center 260px, #000 20%, transparent 78%);
}

/* Metallbau: image kept inside the page margins (container), shifted toward
   the right side of the content area — the left side (blueprint/dimension
   lines) fades out completely, only the machined part + caliper on the
   right stay visible. Vertical spread matches the other pages so the image
   bleeds across the hero and into the following section. */
body.page-metallbau .page-hero.has-hero-img::after {
  background-size: 1300px auto;
  background-position: calc(50% + 260px) 60px;
  -webkit-mask-image: radial-gradient(ellipse 640px 780px at calc(50% + 360px) 380px, #000 15%, transparent 55%);
  mask-image: radial-gradient(ellipse 640px 780px at calc(50% + 360px) 380px, #000 15%, transparent 55%);
}
body.page-metallbau .page-hero.has-hero-img.hero-overlap::after {
  bottom: -300px;
  -webkit-mask-image: radial-gradient(ellipse 680px 1000px at calc(50% + 360px) 380px, #000 15%, transparent 68%);
  mask-image: radial-gradient(ellipse 680px 1000px at calc(50% + 360px) 380px, #000 15%, transparent 68%);
}

body.page-ueber-uns .page-hero.has-hero-img::after {
  background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), var(--hero-img);
  background-size: cover, 1400px auto;
  background-position: 50% 50%, calc(50% - 450px) 60px;
  background-repeat: no-repeat, no-repeat;
  opacity: 0.6;
  -webkit-mask-image: radial-gradient(ellipse 1150px 750px at calc(50% - 450px) 500px, #000 25%, transparent 70%);
  mask-image: radial-gradient(ellipse 1150px 750px at calc(50% - 450px) 500px, #000 25%, transparent 70%);
}

/* Ausschreibungsunterstützung: photo has a large bright paper stack that
   blows out with the default screen blend — darken it and lower opacity. */
body.page-ausschreibungsunterstuetzung .page-hero.has-hero-img::after {
  background-image: linear-gradient(rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55)), var(--hero-img);
  background-size: cover, 1400px auto;
  background-position: 50% 50%, center -220px;
  background-repeat: no-repeat, no-repeat;
  opacity: 0.45;
}
.page-hero h1 {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  margin-bottom: var(--space-3);
}
.page-hero .hero-lead {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: var(--space-6);
}

/* Hero headline/lead over a background image: plain solid white instead of
   the chrome-gradient text and muted grey, for reliable contrast/readability
   on top of photos and graphics. */
.page-hero.has-hero-img h1 {
  background: none;
  -webkit-text-fill-color: #fff;
  color: #fff;
}
.page-hero.has-hero-img .hero-lead {
  color: #fff;
}
.page-hero .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* Content + Sidebar Layout */
.content-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: var(--space-10);
  align-items: start;
}
.content-main {}
.content-aside {
  position: sticky;
  top: calc(var(--header-h) + var(--space-6));
}

/* Aside Card */
.aside-card {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}
.aside-card h4 {
  font-size: var(--text-base);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--line);
}
.aside-card .aside-services {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.aside-card .aside-services a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition);
}
.aside-card .aside-services a:hover,
.aside-card .aside-services a.active {
  background: var(--bg-4);
  color: var(--orange);
}

/* Definition Block (GEO) */
.definition-block {
  background: var(--bg-3);
  border-left: 4px solid var(--orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: var(--space-5) var(--space-6);
  margin-block: var(--space-8);
}
.definition-block .def-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: var(--space-2);
}
.definition-block p {
  font-size: var(--text-base);
  color: var(--text-primary);
  line-height: 1.7;
}

/* Benefit Grid */
.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  margin-block: var(--space-6);
}
.benefit-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.benefit-icon {
  width: 36px;
  height: 36px;
  background: rgba(212,133,26,.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  flex-shrink: 0;
}
.benefit-icon svg { width: 18px; height: 18px; }
.benefit-item h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}
.benefit-item p {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* Software / Tools Row */
.tools-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}
.tool-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-4);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* Content Prose */
.prose h2 {
  font-size: var(--text-2xl);
  color: var(--text-primary);
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--line);
}
.prose h3 {
  font-size: var(--text-xl);
  color: var(--text-primary);
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}
.prose p {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: var(--space-4);
}
.prose ul {
  margin-bottom: var(--space-4);
  padding-left: var(--space-5);
  list-style: disc;
}
.prose ul li {
  color: var(--text-muted);
  margin-bottom: var(--space-2);
  line-height: 1.65;
}
.prose strong { color: var(--text-primary); }

/* Zielgruppen Grid */
.zielgruppen-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-block: var(--space-6);
}
.zielgruppe-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}
.zielgruppe-item::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--orange);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Contact Form */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-12);
  align-items: start;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
}
.form-group .required { color: var(--orange); }
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-base);
  color: var(--text-primary);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(212,133,26,.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-faint); }
.form-group textarea { resize: vertical; min-height: 140px; }
.form-group select { appearance: none; cursor: pointer; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
}
.form-hint {
  font-size: var(--text-xs);
  color: var(--text-faint);
  margin-top: var(--space-1);
}

/* Contact Info Box */
.contact-info-box {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: sticky;
  top: calc(var(--header-h) + var(--space-6));
}
.contact-info-box h3 {
  font-size: var(--text-lg);
  color: var(--text-primary);
  margin-bottom: var(--space-5);
}
.contact-info-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  margin-bottom: var(--space-4);
}
.contact-info-icon {
  width: 36px;
  height: 36px;
  background: rgba(212,133,26,.15);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--orange);
  flex-shrink: 0;
}
.contact-info-icon svg { width: 16px; height: 16px; }
.contact-info-label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-faint);
  font-weight: 600;
  display: block;
  margin-bottom: var(--space-1);
}
.contact-info-value {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition);
}
.contact-info-value:hover { color: var(--orange); }
.contact-divider {
  border: none;
  border-top: 1px solid var(--line);
  margin-block: var(--space-5);
}

/* Über uns */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: var(--space-12);
  align-items: start;
}
.about-photo {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: sticky;
  top: calc(var(--header-h) + var(--space-6));
}

/* Referenzen Filter */
.referenzen-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}
.filter-btn {
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-full);
  background: var(--bg-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}
.filter-btn:hover,
.filter-btn.active {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}

/* Blog / Fachwissen */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}
.blog-card {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-md), transform var(--transition-md);
}
.blog-card:hover {
  border-color: var(--orange-dark);
  transform: translateY(-3px);
}
.blog-img {
  aspect-ratio: 16/9;
  background: var(--bg-4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  overflow: hidden;
}
.blog-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.blog-body { padding: var(--space-5); }
.blog-date {
  font-size: var(--text-xs);
  color: var(--text-faint);
  margin-bottom: var(--space-2);
}
.blog-card h3 {
  font-size: var(--text-base);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
  line-height: 1.4;
}
.blog-card p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

/* Responsive – Subpages */
@media (max-width: 1024px) {
  .content-layout { grid-template-columns: 1fr; }
  .content-aside { position: static; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { position: static; aspect-ratio: 3/2; }
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .benefit-grid { grid-template-columns: 1fr; }
  .zielgruppen-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
  .page-hero { padding-block: var(--space-8) var(--space-6); }
}


/* -------------------------------------------------------
   1. CSS Custom Properties
   ------------------------------------------------------- */
:root {
  /* Farben */
  --bg:          #0a0a0a;      /* Mattschwarz – Hintergrund */
  --logo-bg:     #101214;      /* Hintergrundton aus dem Logo */
  --bg-2:        #101010;      /* Etwas heller */
  --bg-3:        #161616;      /* Karten / Abschnitte */
  --bg-4:        #1f1f1f;      /* Hover-States */
  --line:        #2a2a2a;      /* Trennlinien */

  --text-primary: #f5f5f7;     /* Haupttext – Reinweiß */
  --text-muted:   #a0a0a6;     /* Sekundärtext */
  --text-faint:   #5c5c62;     /* Dezent */

  --orange:       #ffffff;     /* Primärakzent Weiss */
  --orange-light: #e2e2e2;
  --orange-dark:  #cfcfcf;
  --blue:         #b8bcc4;     /* Sekundärakzent Silbergrau */
  --blue-dark:    #8f949d;
  --blue-faint:   #33363c;

  --white: #ffffff;

  /* Logo-Markenfarben (offizielles Styleguide) – für gezielte Akzente im Content */
  --brand-blue:   #0066cc;     /* Blau – Pantone 3005 C */
  --brand-orange: #ff8800;     /* Orange – Pantone 1585 C */
  --brand-chrome: #c0c0c0;     /* Chrom/Silber – Pantone Cool Gray 7 C */
  --brand-black:  #1e1e1e;     /* Schwarz – Pantone Black C */

  /* Typografie */
  --font-sans: "Raleway", "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Consolas", "Courier New", monospace;

  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  1.875rem;   /* 30px */
  --text-4xl:  2.25rem;    /* 36px */
  --text-5xl:  3rem;       /* 48px */
  --text-6xl:  3.75rem;    /* 60px */

  /* Abstände */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Layout */
  --container:     1200px;
  --container-sm:  800px;
  --radius-sm:     4px;
  --radius:        8px;
  --radius-lg:     12px;
  --radius-xl:     20px;
  --radius-full:   9999px;

  /* Schatten */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.4);
  --shadow:     0 4px 16px rgba(0,0,0,.5);
  --shadow-lg:  0 8px 40px rgba(0,0,0,.6);
  --shadow-xl:  0 20px 60px rgba(0,0,0,.7);

  /* Übergänge */
  --transition: 0.2s ease;
  --transition-md: 0.3s ease;

  /* Header-Höhe */
  --header-h: 152px;
}

/* -------------------------------------------------------
   2. Reset & Base
   ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  margin: 0;
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Faserige schwarze Papier-Textur (Fasern + Korn) – global */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 9999;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%27http%3A//www.w3.org/2000/svg%27%20width%3D%27420%27%20height%3D%27420%27%3E%3Cfilter%20id%3D%27f%27%3E%3CfeTurbulence%20type%3D%27fractalNoise%27%20baseFrequency%3D%270.012%200.55%27%20numOctaves%3D%272%27%20stitchTiles%3D%27stitch%27/%3E%3CfeColorMatrix%20type%3D%27saturate%27%20values%3D%270%27/%3E%3C/filter%3E%3Cfilter%20id%3D%27g%27%3E%3CfeTurbulence%20type%3D%27fractalNoise%27%20baseFrequency%3D%270.85%27%20numOctaves%3D%273%27%20stitchTiles%3D%27stitch%27/%3E%3CfeColorMatrix%20type%3D%27saturate%27%20values%3D%270%27/%3E%3C/filter%3E%3Crect%20width%3D%27100%25%27%20height%3D%27100%25%27%20filter%3D%27url%28%23f%29%27%20opacity%3D%270.55%27/%3E%3Crect%20width%3D%27100%25%27%20height%3D%27100%25%27%20filter%3D%27url%28%23g%29%27%20opacity%3D%270.6%27/%3E%3C/svg%3E");
  background-size: 420px 420px;
  opacity: 0.14;
  mix-blend-mode: screen;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.2; }

/* Ueberschriften – Markenschrift Raleway */
h1, h2, h3, h4 {
  font-family: var(--font-sans);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--white);
}

/* Chrom-Textur (analog Logoschrift) – dezent, nur auf der Haupt-Titelebene */
h1 {
  background: linear-gradient(120deg, #ffffff 0%, var(--brand-chrome) 45%, #ffffff 60%, var(--brand-chrome) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
p { margin: 0; }
button, input, textarea, select { font-family: inherit; }

/* -------------------------------------------------------
   3. Layout Utilities
   ------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.container--sm {
  max-width: var(--container-sm);
}

.section {
  padding-block: var(--space-20);
}

.section--alt {
  background-color: var(--bg-2);
}

.section--accent {
  background-color: var(--bg-3);
}

/* -------------------------------------------------------
   4. Typography
   ------------------------------------------------------- */
.section-kicker {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-orange);
  margin-bottom: var(--space-3);
}

.section-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.section-title span {
  color: var(--brand-blue);
}

.section-lead {
  font-size: var(--text-lg);
  color: var(--text-muted);
  max-width: 620px;
  line-height: 1.7;
}

.text-center { text-align: center; }
.text-center .section-lead { margin-inline: auto; }

/* -------------------------------------------------------
   5. Buttons
   ------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
  white-space: nowrap;
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  position: relative;
  background: linear-gradient(155deg, #ffffff 0%, var(--brand-chrome) 40%, #f4f4f4 55%, var(--brand-chrome) 78%, #ffffff 100%);
  color: var(--bg);
  border-color: transparent;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -2px 3px rgba(0, 0, 0, 0.15),
    0 3px 10px rgba(0, 0, 0, 0.3),
    0 1px 0 rgba(0, 0, 0, 0.15);
  overflow: hidden;
  isolation: isolate;
}
.btn--primary::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.75) 48%, transparent 62%);
  transform: translateX(-60%);
  transition: transform 0.5s ease;
  pointer-events: none;
  z-index: 0;
}
.btn--primary::after {
  content: "";
  position: absolute;
  right: 5px;
  bottom: 0;
  width: 92px;
  height: 38px;
  background-image: url("/assets/Grafiken/orbit_trsp.png");
  background-repeat: no-repeat;
  background-position: bottom right;
  background-size: contain;
  pointer-events: none;
  z-index: 0;
}
.btn--primary > * {
  position: relative;
  z-index: 1;
}
.btn--primary:hover {
  background: linear-gradient(155deg, #ffffff 0%, #d8d8d8 40%, #f4f4f4 55%, #d8d8d8 78%, #ffffff 100%);
  border-color: transparent;
}
.btn--primary:hover::before {
  transform: translateX(60%);
}
.btn--primary:hover::after {
  width: 104px;
  height: 42px;
}

.btn--outline {
  position: relative;
  background: transparent;
  color: var(--text-primary);
  border-color: var(--line);
  overflow: hidden;
  isolation: isolate;
}
.btn--outline::after {
  content: "";
  position: absolute;
  right: 5px;
  bottom: 0;
  width: 92px;
  height: 38px;
  background-image: url("/assets/Grafiken/orbit_trsp.png");
  background-repeat: no-repeat;
  background-position: bottom right;
  background-size: contain;
  opacity: 0.6;
  pointer-events: none;
  z-index: 0;
  transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
}
.btn--outline > * {
  position: relative;
  z-index: 1;
}
.btn--outline:hover {
  border-color: var(--orange);
  color: var(--orange);
}
.btn--outline:hover::after {
  width: 104px;
  height: 42px;
  opacity: 1;
}

.btn--ghost {
  background: transparent;
  color: var(--blue);
  border-color: transparent;
  padding-inline: 0;
}
.btn--ghost:hover { color: var(--orange); }

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

/* -------------------------------------------------------
   6. Header & Navigation
   ------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--header-h);
  background: color-mix(in srgb, var(--logo-bg) 85%, transparent);
  backdrop-filter: blur(6px) saturate(120%);
  -webkit-backdrop-filter: blur(6px) saturate(120%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 2040px;
  margin-inline: auto;
  padding-inline: var(--space-8);
}

/* Logo */
.site-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.site-logo img {
  height: calc(var(--header-h) - 2px);
  width: auto;
  display: block;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text .name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

.logo-text .tagline {
  font-size: var(--text-xs);
  color: var(--blue);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
}

/* Main Nav */
.main-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.main-nav a,
.main-nav .nav-dropdown-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  cursor: pointer;
  background: none;
  border: none;
}

.main-nav a:hover,
.main-nav .nav-dropdown-toggle:hover,
.main-nav a.active {
  color: var(--text-primary);
  background: var(--bg-3);
}

/* Dropdown */
.nav-item {
  position: relative;
}

.nav-dropdown-toggle .chevron {
  width: 12px;
  height: 12px;
  transition: transform var(--transition);
}

.nav-item.open .chevron { transform: rotate(180deg); }

.nav-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + var(--space-2));
  left: 0;
  min-width: 240px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  z-index: 100;
}

/* Invisible bridge over the gap between the toggle and the dropdown, so the
   mouse never truly leaves the item's hoverable area while moving down. */
.nav-dropdown::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: calc(var(--space-2) * -1);
  height: var(--space-2);
}

.nav-item.open .nav-dropdown { display: block; }

.nav-dropdown a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-dropdown a:hover {
  color: var(--text-primary);
  background: var(--bg-4);
}

/* Header CTA */
.header-cta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), width var(--transition);
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; width: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  inset: var(--header-h) 0 0 0;
  background: var(--bg-2);
  z-index: 999;
  overflow-y: auto;
  padding: var(--space-6);
}

.mobile-menu.open { display: block; }

.mobile-menu a {
  display: block;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-lg);
  color: var(--text-primary);
  border-bottom: 1px solid var(--line);
  transition: color var(--transition);
}
.mobile-menu a:hover { color: var(--orange); }

.mobile-menu .mobile-submenu {
  padding-left: var(--space-6);
}

.mobile-menu .mobile-submenu a {
  font-size: var(--text-base);
  color: var(--text-muted);
  border-bottom-color: transparent;
  padding-block: var(--space-2);
}

.mobile-cta {
  margin-top: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* -------------------------------------------------------
   7. Hero Section
   ------------------------------------------------------- */
.hero {
  position: relative;
  min-height: calc(100svh - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  background: radial-gradient(ellipse at 60% 50%, #1c1c1c 0%, var(--bg) 70%);
}

.hero .container {
  position: relative;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.25;
  pointer-events: none;
}

.hero-bg-plan {
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url("/assets/Grafiken/gebaudeplan_w_trsp.png");
  background-repeat: no-repeat;
  background-position: center right;
  background-size: 100% auto;
  transform: scale(1.1);
  opacity: 0.1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding-block: var(--space-20);
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-orange);
  margin-bottom: var(--space-5);
}

.hero-kicker::before {
  content: "";
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--brand-orange);
}

.hero h1 {
  font-size: clamp(var(--text-3xl), 5.5vw, var(--text-6xl));
  line-height: 1.1;
  margin-bottom: var(--space-5);
}

.hero h1 span {
  color: var(--brand-blue);
  background: none;
  -webkit-background-clip: unset;
  background-clip: unset;
  -webkit-text-fill-color: var(--brand-blue);
  display: block;
}

.hero-lead {
  font-size: clamp(var(--text-base), 2vw, var(--text-xl));
  color: var(--text-muted);
  margin-bottom: var(--space-8);
  line-height: 1.7;
  max-width: 560px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--line);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

.hero-badge::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--orange);
  border-radius: 50%;
}

/* -------------------------------------------------------
   8. Service Cards
   ------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.service-card {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color var(--transition-md), transform var(--transition-md), box-shadow var(--transition-md);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-md);
}

.service-card:hover {
  border-color: var(--orange-dark);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 48px;
  height: 48px;
  background: var(--blue-faint);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--blue);
}

.service-icon svg {
  width: 24px;
  height: 24px;
}

.service-card h3 {
  font-size: var(--text-lg);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.65;
}

.service-card .card-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--orange);
  margin-top: var(--space-4);
  transition: gap var(--transition);
}
.service-card:hover .card-link { gap: var(--space-3); }

/* -------------------------------------------------------
   9. USP / Why Us
   ------------------------------------------------------- */
.usp-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.usp-item {
  text-align: center;
  padding: var(--space-6);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-3);
  transition: border-color var(--transition-md);
}

.usp-item:hover { border-color: var(--orange-dark); }

.usp-number {
  font-size: var(--text-4xl);
  font-weight: 800;
  color: var(--orange);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.usp-item h4 {
  font-size: var(--text-base);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.usp-item p {
  font-size: var(--text-sm);
  color: var(--text-muted);
}

/* -------------------------------------------------------
   10. Branchen (Industries)
   ------------------------------------------------------- */
.branchen-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
  margin-top: var(--space-10);
}

.branch-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--bg-3);
  aspect-ratio: 4/3;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5);
  transition: border-color var(--transition-md), transform var(--transition-md);
  cursor: pointer;
}

.branch-card:hover {
  border-color: var(--orange-dark);
  transform: translateY(-3px);
}

.branch-card .placeholder-img {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--bg-4) 0%, var(--bg-3) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: 0.05em;
}

.branch-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,10,10,.9) 0%, transparent 60%);
  pointer-events: none;
}

.branch-card .branch-name {
  position: relative;
  z-index: 1;
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--white);
}

.branch-card .branch-desc {
  position: relative;
  z-index: 1;
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-top: var(--space-1);
}

/* -------------------------------------------------------
   11. Prozess (Process Flow)
   ------------------------------------------------------- */
.prozess-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: var(--space-10);
  position: relative;
}

.prozess-steps::before {
  content: "";
  position: absolute;
  top: 28px;
  left: calc(28px + var(--space-6));
  right: calc(28px + var(--space-6));
  height: 2px;
  background: linear-gradient(90deg, var(--orange) 0%, var(--blue) 100%);
  z-index: 0;
}

.prozess-step {
  flex: 1;
  text-align: center;
  padding: 0 var(--space-3);
  position: relative;
  z-index: 1;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-3);
  border: 2px solid var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--orange);
  margin: 0 auto var(--space-4);
  position: relative;
  z-index: 1;
}

.prozess-step:last-child .step-number {
  background: var(--orange);
  color: var(--white);
}

.prozess-step h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.prozess-step p {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* -------------------------------------------------------
   12. Referenzen Cards
   ------------------------------------------------------- */
.referenzen-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-10);
}

.referenz-card {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-md), transform var(--transition-md);
}

.referenz-card:hover {
  border-color: var(--orange-dark);
  transform: translateY(-3px);
}

.referenz-img {
  aspect-ratio: 16/9;
  background: var(--bg-4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-faint);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.referenz-body {
  padding: var(--space-5);
}

.referenz-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.tag {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tag--orange { background: rgba(212,133,26,.15); color: var(--orange); }
.tag--blue   { background: rgba(74,157,232,.15); color: var(--blue); }
.tag--gray   { background: var(--bg-4); color: var(--text-muted); }

.referenz-body h3 {
  font-size: var(--text-base);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.referenz-body p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.6;
}

/* -------------------------------------------------------
   13. FAQ Accordion
   ------------------------------------------------------- */
.faq-list {
  margin-top: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-width: 780px;
  margin-inline: auto;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.open { border-color: var(--orange-dark); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--bg-3);
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  transition: background var(--transition), color var(--transition);
}

.faq-question:hover { background: var(--bg-4); }
.faq-item.open .faq-question { color: var(--orange); }

.faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  border: 2px solid var(--text-faint);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition), border-color var(--transition);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  border-color: var(--orange);
  color: var(--orange);
}

.faq-answer {
  display: none;
  padding: var(--space-4) var(--space-5);
  background: var(--bg-2);
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
}

.faq-item.open .faq-answer { display: block; }

/* -------------------------------------------------------
   14. CTA Section
   ------------------------------------------------------- */
.cta-section {
  padding-block: var(--space-20);
  text-align: center;
  background: linear-gradient(135deg, #1c1c1c 0%, var(--bg) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(212,133,26,.1) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section h2 {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  margin-bottom: var(--space-4);
  position: relative;
}

.cta-section p {
  font-size: var(--text-lg);
  color: var(--text-muted);
  margin-bottom: var(--space-8);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: var(--space-8);
}

.cta-contact-info {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  flex-wrap: wrap;
  margin-top: var(--space-8);
  padding-top: var(--space-8);
  border-top: 1px solid var(--line);
}

.cta-contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.cta-contact-item .label {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  font-weight: 600;
}

.cta-contact-item .value {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--transition);
}

.cta-contact-item .value:hover { color: var(--orange); }

/* -------------------------------------------------------
   15. Footer
   ------------------------------------------------------- */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding-top: var(--space-12);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
}

.footer-brand .site-logo { margin-bottom: var(--space-4); }

.footer-brand p {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-5);
  max-width: 280px;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 36px;
  height: 36px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.social-link:hover {
  background: var(--bg-4);
  color: var(--orange);
  border-color: var(--orange-dark);
}

.footer-col h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--line);
}

.footer-col ul li {
  margin-bottom: var(--space-2);
}

.footer-col ul li a {
  font-size: var(--text-sm);
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-col ul li a:hover { color: var(--orange); }

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-block: var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.footer-bottom p {
  font-size: var(--text-xs);
  color: var(--text-faint);
}

.footer-legal {
  display: flex;
  gap: var(--space-4);
}

.footer-legal a {
  font-size: var(--text-xs);
  color: var(--text-faint);
  transition: color var(--transition);
}

.footer-credit {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-faint);
}

.footer-credit a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--text-faint);
  transition: color var(--transition);
}

.footer-credit a:hover { color: var(--orange); }

.footer-credit img {
  height: 18px;
  width: auto;
  display: block;
}

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

/* -------------------------------------------------------
   16. Sticky Mobile CTA Bar
   ------------------------------------------------------- */
.sticky-mobile-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 998;
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: var(--space-3) var(--space-4);
  gap: var(--space-2);
}

.sticky-mobile-cta .btn { flex: 1; justify-content: center; }

/* -------------------------------------------------------
   17. Divider / Accent Line
   ------------------------------------------------------- */
.accent-divider {
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--brand-blue), var(--brand-orange));
  border-radius: var(--radius-full);
  margin-bottom: var(--space-6);
}

/* -------------------------------------------------------
   18. Responsive – Tablet (max 1024px)
   ------------------------------------------------------- */
@media (max-width: 1024px) {
  .services-grid   { grid-template-columns: repeat(2, 1fr); }
  .usp-grid        { grid-template-columns: repeat(2, 1fr); }
  .branchen-grid   { grid-template-columns: repeat(2, 1fr); }
  .referenzen-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid     { grid-template-columns: 1fr 1fr; }

  .prozess-steps {
    flex-wrap: wrap;
    gap: var(--space-6);
  }
  .prozess-steps::before { display: none; }
  .prozess-step { flex: 0 0 calc(33.33% - var(--space-4)); }
}

/* -------------------------------------------------------
   19. Responsive – Mobile (max 768px)
   ------------------------------------------------------- */
@media (max-width: 768px) {
  :root {
    --header-h: 116px;
  }

  /* Hero background images: scale down so the graphic stays recognisable
     instead of being cropped in tight at the fixed desktop pixel size. */
  .page-hero.has-hero-img::after {
    background-size: 640px auto;
    background-position: center -100px;
    -webkit-mask-image: radial-gradient(ellipse 380px 250px at center 100px, #000 15%, transparent 65%);
    mask-image: radial-gradient(ellipse 380px 250px at center 100px, #000 15%, transparent 65%);
  }

  .page-hero.has-hero-img.hero-overlap::after {
    bottom: -120px;
    -webkit-mask-image: radial-gradient(ellipse 420px 340px at center 130px, #000 20%, transparent 78%);
    mask-image: radial-gradient(ellipse 420px 340px at center 130px, #000 20%, transparent 78%);
  }

  body.page-metallbau .page-hero.has-hero-img::after {
    background-size: 620px auto;
    background-position: calc(50% + 100px) 20px;
    -webkit-mask-image: radial-gradient(ellipse 300px 380px at calc(50% + 150px) 190px, #000 15%, transparent 55%);
    mask-image: radial-gradient(ellipse 300px 380px at calc(50% + 150px) 190px, #000 15%, transparent 55%);
  }
  body.page-metallbau .page-hero.has-hero-img.hero-overlap::after {
    bottom: -170px;
    -webkit-mask-image: radial-gradient(ellipse 320px 480px at calc(50% + 150px) 190px, #000 15%, transparent 68%);
    mask-image: radial-gradient(ellipse 320px 480px at calc(50% + 150px) 190px, #000 15%, transparent 68%);
  }

  body.page-ueber-uns .page-hero.has-hero-img::after {
    background-size: cover, 640px auto;
    background-position: 50% 50%, calc(50% - 210px) 30px;
    -webkit-mask-image: radial-gradient(ellipse 520px 340px at calc(50% - 210px) 230px, #000 25%, transparent 70%);
    mask-image: radial-gradient(ellipse 520px 340px at calc(50% - 210px) 230px, #000 25%, transparent 70%);
  }

  .hero-bg-plan {
    opacity: 0.1;
    background-position: center;
  }

  .btn--primary::after,
  .btn--outline::after {
    width: 56px;
    height: 23px;
  }

  .btn--primary:hover::after,
  .btn--outline:hover::after {
    width: 62px;
    height: 26px;
  }

  .header-inner { padding-inline: var(--space-5); }

  .main-nav  { display: none; }
  .header-cta .btn--primary { display: none; }
  .hamburger { display: flex; }

  .hero-content { padding-block: var(--space-12); }

  .services-grid   { grid-template-columns: 1fr; }
  .usp-grid        { grid-template-columns: 1fr 1fr; }
  .branchen-grid   { grid-template-columns: 1fr 1fr; }
  .referenzen-grid { grid-template-columns: 1fr; }
  .footer-grid     { grid-template-columns: 1fr; }

  .prozess-step { flex: 0 0 calc(50% - var(--space-4)); }

  .cta-contact-info { flex-direction: column; gap: var(--space-5); }

  .sticky-mobile-cta { display: flex; }

  /* Space for sticky bar */
  body { padding-bottom: 72px; }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .footer-credit { justify-content: center; }
}

/* -------------------------------------------------------
   20. Responsive – Small Mobile (max 480px)
   ------------------------------------------------------- */
@media (max-width: 480px) {
  .container { padding-inline: var(--space-4); }
  .usp-grid  { grid-template-columns: 1fr; }
  .branchen-grid { grid-template-columns: 1fr; }
  .prozess-step  { flex: 0 0 100%; }
  .btn-group { flex-direction: column; }
  .btn-group .btn { width: 100%; justify-content: center; }
}