/* ---------- Lokale Schriften (keine Verbindung zu Google-Servern) ---------- */

/* Space Grotesk variabel — latin-ext (enthält ä ö ü ß) */
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/space-grotesk-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Space Grotesk variabel — latin */
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 300 700;
  font-display: swap;
  src: url('../fonts/space-grotesk-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* IBM Plex Mono 400 — latin-ext */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-400-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* IBM Plex Mono 400 — latin */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-400-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* IBM Plex Mono 600 — latin-ext */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-600-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* IBM Plex Mono 600 — latin */
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('../fonts/ibm-plex-mono-600-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}


/* ==========================================================================
   LEXOS — Landingpage
   Reihenfolge: Tokens · Reset · Typografie · Buttons · Header · Hero ·
                Sektionen · Karten · Split · Über · Kontakt · Footer ·
                Rechtliche Unterseiten · Motion · Breakpoints
   Mobile first. Alle Breakpoints sind min-width.
   ========================================================================== */

/* ---------- 1. Design-Tokens ---------- */

:root {
  /* Farben — dunkel */
  --ink:        #0B1220;
  --ink-2:      #131C2E;
  --ink-3:      #1B2740;
  --line-dark:  #24314A;

  /* Farben — hell */
  --paper:      #FFFFFF;
  --paper-2:    #F2F5F8;
  --line-light: #D9E0E9;

  /* Text */
  --text-dark:  #E7EDF5;   /* auf dunklem Grund */
  --muted-dark: #9CADC4;
  --text-light: #0B1220;   /* auf hellem Grund */
  --muted-light:#52627A;

  /* Akzent (Logo-Blau) */
  --accent:       #3B82F6;  /* auf Dunkel — 5.5:1 gegen --ink, WCAG AA */
  --accent-hover: #60A5FA;  /* heller, für Hover auf dunklen Flächen */
  --accent-ink:   #1D4ED8;  /* Text auf Weiß — 6.7:1, WCAG AA */

  /* Raster & Abstände (8px-Basis) */
  --s1: 0.5rem;
  --s2: 1rem;
  --s3: 1.5rem;
  --s4: 2rem;
  --s5: 3rem;
  --s6: 4rem;
  --s7: 6rem;

  --section-y: clamp(4rem, 9vw, 7.5rem);
  --gutter:    clamp(1.25rem, 4vw, 2.5rem);
  --maxw:      1240px;
  --header-h:  64px;

  /* Typografie */
  --font-sans: "Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, "Cascadia Mono", Consolas, monospace;

  /* Bewegung */
  --t-fast: 140ms;
  --t-base: 200ms;
  --ease:   cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (min-width: 900px) {
  :root { --header-h: 72px; }
}


/* ---------- 2. Reset ---------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 1rem);
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text-light);
  font-family: var(--font-sans);
  font-size: 1.0625rem;          /* 17px */
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
img { height: auto; }

h1, h2, h3, h4, p, figure, dl, dd, address { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
address { font-style: normal; }

a { color: inherit; text-decoration: none; }

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

/* Fokus — nie entfernen, nur präzisieren */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.section-dark :focus-visible,
.hero :focus-visible,
.site-header :focus-visible,
.site-footer :focus-visible,
.section-cta :focus-visible {
  outline-color: var(--accent);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background: var(--accent);
  color: var(--ink);
  padding: 0.75rem 1.25rem;
  font-weight: 600;
}
.skip-link:focus {
  left: 0;
}

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}


/* ---------- 3. Typografie ---------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-light);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--s3);
}
.eyebrow-num {
  color: var(--accent-ink);
  position: relative;
  padding-right: 0.75rem;
}
.eyebrow-num::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 1px;
  height: 0.9em;
  transform: translateY(-50%);
  background: var(--line-light);
}

.section-dark .eyebrow,
.section-cta .eyebrow,
.hero .eyebrow { color: var(--muted-dark); }
.section-dark .eyebrow-num,
.section-cta .eyebrow-num,
.hero .eyebrow-num { color: var(--accent); }
.section-dark .eyebrow-num::after,
.section-cta .eyebrow-num::after,
.hero .eyebrow-num::after { background: var(--line-dark); }

.section-title {
  font-size: clamp(1.875rem, 4.4vw, 3rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

.section-lead {
  margin-top: var(--s3);
  max-width: 58ch;
  font-size: 1.0625rem;
  color: var(--muted-light);
}
.section-dark .section-lead,
.section-cta .section-lead { color: var(--muted-dark); }


/* ---------- 4. Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.75rem;
  border: 2px solid transparent;
  border-radius: 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.005em;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--t-base) var(--ease),
              color var(--t-base) var(--ease),
              border-color var(--t-base) var(--ease),
              transform var(--t-fast) var(--ease);
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

.btn-ghost {
  background: transparent;
  color: var(--text-dark);
  border-color: var(--line-dark);
}
.btn-ghost:hover {
  border-color: var(--text-dark);
  background: rgba(231, 237, 245, 0.06);
}

.btn-sm { min-height: 42px; padding: 0.5rem 1.15rem; font-size: 0.9375rem; }
.btn-block { width: 100%; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
  align-items: stretch;   /* Buttons einer Reihe immer gleich hoch */
}
.btn-row .btn { flex: 0 1 auto; }

@media (max-width: 479px) {
  .btn-row { display: grid; grid-template-columns: 1fr; }
}


/* ---------- 5. Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 18, 32, 0.92);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base) var(--ease),
              background-color var(--t-base) var(--ease);
}
@supports (backdrop-filter: blur(8px)) {
  .site-header { backdrop-filter: blur(10px); }
}
.site-header.is-scrolled {
  background: rgba(11, 18, 32, 0.98);
  border-bottom-color: var(--line-dark);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  color: var(--text-dark);
  flex-shrink: 0;
}
.brand-mark { width: auto; height: 28px; color: var(--accent); flex-shrink: 0; }
.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1;
}
.brand-accent { color: var(--accent); }
.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  line-height: 1;
  color: var(--muted-dark);
}

/* Burger */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  background: transparent;
  border: 1px solid var(--line-dark);
  color: var(--text-dark);
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: border-color var(--t-base) var(--ease);
}
.nav-toggle:hover { border-color: var(--accent); }

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 18px;
}
.nav-toggle-bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform var(--t-base) var(--ease), opacity var(--t-fast) var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* Navigation — mobil ausgeklappt */
.site-nav {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  display: none;
  flex-direction: column;
  gap: var(--s1);
  padding: var(--s2) var(--gutter) var(--s4);
  background: var(--ink);
  border-bottom: 1px solid var(--line-dark);
}
.site-nav.is-open { display: flex; }

.nav-list {
  display: flex;
  flex-direction: column;
}
.nav-list a {
  display: block;
  padding: 0.875rem 0;
  color: var(--text-dark);
  font-weight: 500;
  border-bottom: 1px solid var(--line-dark);
  transition: color var(--t-base) var(--ease);
}
.nav-list a:hover { color: var(--accent); }
.nav-list a.is-active { color: var(--accent); }

.nav-cta { margin-top: var(--s2); }


/* ---------- 6. Hero ---------- */

.hero {
  position: relative;
  isolation: isolate;
  background: var(--ink);
  color: var(--text-dark);
  padding-block: clamp(4rem, 12vw, 8rem) clamp(3rem, 8vw, 5rem);
  min-height: min(88vh, 780px);
  display: flex;
  align-items: center;
  overflow: hidden;
}

/* Hintergrundbild */
.hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(180deg, rgba(11,18,32,0.70) 0%, rgba(11,18,32,0.85) 55%, rgba(11,18,32,0.97) 100%),
    url("../images/fdm-druckbett-aktiv.jpeg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Technisches 12-Spalten-Raster */
.hero-grid {
  position: absolute;
  inset: 0;
  z-index: -1;
  max-width: var(--maxw);
  margin-inline: auto;
  background-image: repeating-linear-gradient(
    to right,
    var(--line-dark) 0 1px,
    transparent 1px calc(100% / 6)
  );
  opacity: 0.5;
  pointer-events: none;
}
@media (min-width: 900px) {
  .hero-grid {
    background-image: repeating-linear-gradient(
      to right,
      var(--line-dark) 0 1px,
      transparent 1px calc(100% / 12)
    );
  }
}

.hero-inner { position: relative; }

.hero-title {
  font-size: clamp(2.5rem, 8.5vw, 4.75rem);
  font-weight: 700;
  line-height: 1.03;
  letter-spacing: -0.035em;
  margin-bottom: var(--s3);
}

.hero-sub {
  font-size: clamp(1.0625rem, 2.4vw, 1.375rem);
  font-weight: 300;
  color: var(--muted-dark);
  max-width: 34ch;
  margin-bottom: var(--s5);
}

.hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(3rem, 8vw, 5rem);
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}
.hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: var(--s3) var(--s2);
  background: rgba(19, 28, 46, 0.72);
}
.hero-facts b {
  font-family: var(--font-mono);
  font-size: clamp(1.375rem, 4.5vw, 1.75rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.hero-facts span {
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--muted-dark);
}

/* Scroll-Hinweis am unteren Hero-Rand */
.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%);
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-dark);
  pointer-events: none;
}
.hero-scroll i {
  display: block;
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
}
@media (min-width: 900px) {
  .hero-scroll { display: flex; }
}


/* ---------- 7. Sektionen ---------- */

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

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

.section-dark {
  background: var(--ink);
  color: var(--text-dark);
}

.section-cta {
  background: var(--ink-2);
  color: var(--text-dark);
  border-top: 1px solid var(--line-dark);
}

.section-head {
  max-width: 62ch;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
}
.section-head-wide { max-width: 70ch; }

.cta-title { max-width: 20ch; }


/* ---------- 8. Karten (Hairline-Raster) ---------- */

.cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}
.cards-light {
  background: var(--line-light);
  border-color: var(--line-light);
}

.card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  background: var(--ink-2);
  position: relative;
  transition: background-color var(--t-base) var(--ease);
}
.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--t-base) var(--ease);
}
.card:hover { background: var(--ink-3); }
.card:hover::before,
.card:focus-within::before { transform: scaleY(1); }

.card-light { background: var(--paper); }
.card-light:hover { background: var(--paper-2); }

.card-kicker {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-dark);
  margin-bottom: var(--s3);
}
.card-light .card-kicker { color: var(--muted-light); }

.card-index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--accent-ink);
  margin-bottom: var(--s3);
}

/* Die Zahl ist der visuelle Anker */
.spec {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.375rem;
  font-family: var(--font-mono);
  margin-bottom: var(--s3);
  line-height: 1;
}
.spec-prefix {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--muted-dark);
}
.spec-value {
  font-size: clamp(2.25rem, 6.5vw, 3.125rem);
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.03em;
}
.spec-unit {
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--text-dark);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.012em;
  margin-bottom: 0.625rem;
}

.card-text {
  font-size: 1rem;
  color: var(--muted-dark);
  margin-bottom: var(--s3);
}
.card-light .card-text { color: var(--muted-light); }

/* margin-top:auto hält alle Links einer Reihe auf einer Linie,
   unabhängig von der Textlänge — keine festen Höhen nötig. */
.card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  padding-block: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base) var(--ease), gap var(--t-base) var(--ease);
}
.card-link::after { content: "\2192"; }
.card-link:hover { border-bottom-color: var(--accent); gap: 0.875rem; }

/* Feedback beim Klicken — Emil-Kowalski-Prinzip: Buttons und klickbare Karten
   sollen auf Press-Geste physisch reagieren */
.card:active { transform: scale(0.99); }


/* ---------- 8b. Showcase-Bild ---------- */

.showcase-figure {
  margin: 0 0 clamp(2.5rem, 6vw, 4rem);
  overflow: hidden;
  border: 1px solid var(--line-dark);
  position: relative;
}
.showcase-figure img {
  width: 100%;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  object-position: center 30%;
  display: block;
  transition: transform 600ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
.showcase-figure:hover img {
  transform: scale(1.02);
}
.showcase-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--s2) var(--s3);
  background: rgba(11, 18, 32, 0.78);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-dark);
  border-top: 1px solid var(--line-dark);
}


/* ---------- 8c. Referenzen-Galerie ---------- */

.ref-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
}
.ref-tile {
  display: block;
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  background: var(--paper-2);
  border: 0;
  padding: 0;
  cursor: pointer;
}
.ref-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms var(--ease);
}
.ref-tile:hover img,
.ref-tile:focus-visible img { transform: scale(1.045); }

.ref-empty {
  padding: clamp(2.5rem, 6vw, 4rem);
  border: 1px dashed var(--line-light);
  color: var(--muted-light);
  text-align: center;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--s4);
  background: rgba(11, 18, 32, 0.92);
}
.lightbox.is-open { display: flex; }
.lightbox img {
  max-width: min(90vw, 1100px);
  max-height: 86vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border: 1px solid var(--line-dark);
}
.lightbox-close {
  position: absolute;
  top: var(--s3);
  right: var(--s3);
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line-dark);
  color: var(--text-dark);
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--t-base) var(--ease), color var(--t-base) var(--ease);
}
.lightbox-close:hover { border-color: var(--accent); color: var(--accent); }

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line-dark);
  color: var(--text-dark);
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--t-base) var(--ease), color var(--t-base) var(--ease);
}
.lightbox-nav:hover { border-color: var(--accent); color: var(--accent); }
.lightbox-prev { left: var(--s3); }
.lightbox-next { right: var(--s3); }

@media (max-width: 559px) {
  .lightbox-prev { left: var(--s1); }
  .lightbox-next { right: var(--s1); }
}

@media (min-width: 560px) {
  .ref-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 900px) {
  .ref-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}


/* ---------- 9. Bild-Text-Blöcke ---------- */

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 5vw, 3.5rem);
  align-items: center;
  padding-block: clamp(2rem, 6vw, 3.5rem);
  border-top: 1px solid var(--line-light);
}
.split:first-of-type { border-top: 0; padding-top: 0; }

.split-media {
  border: 1px solid var(--line-light);
  background: var(--paper-2);
  overflow: hidden;
}
.split-media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 400ms var(--ease);
}
.split:hover .split-media img { transform: scale(1.02); }

.split-title {
  font-size: clamp(1.375rem, 3.2vw, 1.875rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: var(--s2);
}
.split-text {
  color: var(--muted-light);
  margin-bottom: var(--s3);
}

.ticks { display: grid; gap: 0.625rem; }
.ticks li {
  position: relative;
  padding-left: 1.75rem;
  font-size: 1rem;
}
.ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 12px;
  height: 2px;
  background: var(--accent-ink);
}


/* ---------- 10. Über uns / Inhaber ---------- */

.owner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 6vw, 4.5rem);
  align-items: start;
}

.owner-media { margin: 0; }

/* Rahmen mit Ingenieurs-Eckmarken */
.owner-frame {
  position: relative;
  border: 1px solid var(--line-light);
  background: var(--paper-2);
  overflow: hidden;
}
.owner-frame::before,
.owner-frame::after {
  content: "";
  position: absolute;
  width: 28px;
  height: 28px;
  border: 2px solid var(--accent-ink);
  z-index: 1;
  pointer-events: none;
}
.owner-frame::before { top: 12px; left: 12px; border-right: 0; border-bottom: 0; }
.owner-frame::after { bottom: 12px; right: 12px; border-left: 0; border-top: 0; }

.owner-frame img {
  width: 100%;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  object-position: center top;
}

.owner-caption {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: var(--s2);
  padding-left: var(--s2);
  border-left: 3px solid var(--accent-ink);
}
.owner-name {
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-light);
}
.owner-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-light);
}

.owner-body .section-title { margin-bottom: var(--s3); }
.owner-body > p + p { margin-top: var(--s3); }
.owner-body p { color: var(--muted-light); max-width: 60ch; }

.owner-lead {
  font-size: clamp(1.0625rem, 2.2vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-light) !important;
}

/* Textlink mit Unterkante — kein Button, aber klar klickbar */
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  margin-top: var(--s3);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-ink);
  border-bottom: 2px solid var(--accent-ink);
  transition: gap var(--t-base) var(--ease), color var(--t-base) var(--ease);
}
.text-link::after { content: "\2192"; }
.text-link:hover { gap: 0.875rem; color: var(--text-light); border-bottom-color: var(--text-light); }

/* Eckdaten-Raster */
.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: var(--s4);
  background: var(--line-light);
  border: 1px solid var(--line-light);
}
.fact {
  padding: var(--s3) var(--s2);
  background: var(--paper);
}
.fact dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-light);
  margin-bottom: 0.375rem;
}
.fact dd {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--text-light);
  line-height: 1.3;
}

.section-dark .facts,
.section-cta .facts { background: var(--line-dark); border-color: var(--line-dark); }
.section-dark .fact,
.section-cta .fact { background: var(--ink-2); }
.section-dark .fact dt,
.section-cta .fact dt { color: var(--muted-dark); }
.section-dark .fact dd,
.section-cta .fact dd { color: var(--text-dark); }


/* ---------- 10b. Branchen-Badges ---------- */

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 1.125rem;
  background: var(--paper);
  border: 1px solid var(--line-light);
  border-left: 3px solid var(--accent-ink);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-light);
  transition: border-color var(--t-base) var(--ease),
              background-color var(--t-base) var(--ease);
}
.badge:hover {
  border-color: var(--accent-ink);
  background: var(--paper-2);
}


/* ---------- 11. Kontakt ---------- */

.contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-dark);
  border: 1px solid var(--line-dark);
}

.contact-form-wrap {
  background: var(--ink);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.form { display: grid; gap: var(--s3); }

.field { display: grid; gap: 0.5rem; }

.field-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s3);
}

.field label {
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-dark);
}
.req { color: var(--accent); }
.opt {
  font-weight: 400;
  color: var(--muted-dark);
  font-size: 0.8125rem;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 0.875rem;
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  border-radius: 0;
  color: var(--text-dark);
  font-size: 1rem;
  transition: border-color var(--t-base) var(--ease), background-color var(--t-base) var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; line-height: 1.6; }

.field input::placeholder,
.field textarea::placeholder { color: #7C8CA5; }

.field input:hover,
.field select:hover,
.field textarea:hover { border-color: #33445F; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  background: var(--ink-3);
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted-dark) 50%),
                    linear-gradient(135deg, var(--muted-dark) 50%, transparent 50%);
  background-position: right 1.15rem center, right 0.85rem center;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 2.5rem;
}
.field select option { background: var(--ink-2); color: var(--text-dark); }

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"] { border-color: #FF7A6B; }

.error {
  font-size: 0.875rem;
  color: #FF9A8E;   /* 6.8:1 auf --ink */
  line-height: 1.45;
}

.field-check {
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 0.75rem;
}
.field-check input {
  width: 22px;
  height: 22px;
  min-height: 0;
  margin-top: 0.25rem;
  padding: 0;
  accent-color: var(--accent);
  cursor: pointer;
}
.field-check label {
  font-weight: 400;
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--muted-dark);
  cursor: pointer;
}
.field-check label a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.field-check .error { grid-column: 1 / -1; }

.form-note {
  font-size: 0.8125rem;
  line-height: 1.55;
  color: var(--muted-dark);
}
.form-status:not(:empty) {
  padding: 0.75rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--ink-2);
  font-size: 0.9375rem;
  color: var(--text-dark);
}

.contact-aside {
  background: var(--ink);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}
.aside-title {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: var(--s4);
  padding-bottom: var(--s2);
  border-bottom: 1px solid var(--line-dark);
}
.aside-block + .aside-block { margin-top: var(--s4); }
.aside-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-dark);
  margin-bottom: 0.5rem;
}
.aside-value {
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--text-dark);
}
.aside-value a {
  border-bottom: 1px solid var(--line-dark);
  transition: border-color var(--t-base) var(--ease), color var(--t-base) var(--ease);
  display: inline-block;
  min-height: 32px;
}
.aside-value a:hover { color: var(--accent); border-bottom-color: var(--accent); }


/* ---------- 12. Footer ---------- */

.site-footer {
  background: var(--ink);
  color: var(--text-dark);
  border-top: 1px solid var(--line-dark);
  padding-block: clamp(3rem, 7vw, 4.5rem) var(--s4);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s5);
  padding-bottom: var(--s5);
  border-bottom: 1px solid var(--line-dark);
}

.footer-brand .brand { margin-bottom: var(--s2); }
.footer-claim {
  color: var(--muted-dark);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.footer-head {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted-dark);
  margin-bottom: var(--s2);
}

.footer-col ul { display: grid; gap: 0.125rem; }
.footer-col ul a {
  display: inline-block;
  padding-block: 0.5rem;
  min-height: 40px;
  color: var(--text-dark);
  font-size: 0.9375rem;
  border-bottom: 1px solid transparent;
  transition: color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.footer-col ul a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.footer-note {
  margin-top: var(--s2);
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--muted-dark);
}

.footer-address {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--muted-dark);
}
.footer-address a {
  color: var(--text-dark);
  border-bottom: 1px solid var(--line-dark);
  transition: color var(--t-base) var(--ease), border-color var(--t-base) var(--ease);
}
.footer-address a:hover { color: var(--accent); border-bottom-color: var(--accent); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s2);
  padding-top: var(--s4);
  font-size: 0.875rem;
  color: var(--muted-dark);
}
.to-top {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dark);
  transition: color var(--t-base) var(--ease);
}
.to-top:hover { color: var(--accent); }


/* ---------- 13. Rechtliche Unterseiten ---------- */

.page-head {
  background: var(--ink);
  color: var(--text-dark);
  padding-block: clamp(3rem, 9vw, 6rem);
  border-bottom: 1px solid var(--line-dark);
}
.page-title {
  font-size: clamp(2rem, 6vw, 3.25rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.legal { padding-block: var(--section-y); }
.legal-inner { max-width: 72ch; }

.legal h2 {
  font-size: clamp(1.25rem, 3vw, 1.625rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin-top: var(--s6);
  margin-bottom: var(--s2);
  padding-top: var(--s3);
  border-top: 1px solid var(--line-light);
}
.legal h2:first-of-type { margin-top: 0; border-top: 0; padding-top: 0; }

.legal h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-top: var(--s4);
  margin-bottom: 0.5rem;
}

.legal p, .legal address { margin-bottom: var(--s2); color: var(--text-light); }
.legal p.muted { color: var(--muted-light); }

.legal ul {
  list-style: none;
  display: grid;
  gap: 0.5rem;
  margin-bottom: var(--s3);
}
.legal ul li {
  position: relative;
  padding-left: 1.75rem;
}
.legal ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 12px;
  height: 2px;
  background: var(--accent-ink);
}

.legal a:not(.btn) {
  color: var(--accent-ink);
  border-bottom: 1px solid currentColor;
}
.legal a:not(.btn):hover { color: var(--text-light); }

/* Platzhalter, die noch gefüllt werden müssen */
.todo {
  display: inline-block;
  padding: 0.15em 0.5em;
  background: #FFEDD5;
  border-left: 3px solid var(--accent-ink);
  color: #7C2D12;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
}
.todo-block {
  display: block;
  padding: var(--s2) var(--s3);
  background: #FFF7ED;
  border-left: 3px solid var(--accent-ink);
  color: #7C2D12;
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: var(--s3);
}


/* ---------- 14. Motion ---------- */

/* Nur wenn JavaScript läuft, wird überhaupt ausgeblendet —
   ohne JS bleibt der gesamte Inhalt sichtbar. */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 500ms cubic-bezier(0.22, 0.61, 0.36, 1),
              transform 500ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
.js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .js [data-reveal] { opacity: 1; transform: none; }
  .split:hover .split-media img { transform: none; }
}


/* ---------- 15. Breakpoints ---------- */

@media (min-width: 560px) {
  .field-row { grid-template-columns: 1fr 1fr; }
  .hero-facts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 700px) {
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .facts { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .split { grid-template-columns: 1fr 1fr; }
  .split-reverse .split-media { order: 2; }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  /* Navigation horizontal */
  .nav-toggle { display: none; }

  .site-nav {
    position: static;
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--s4);
    padding: 0;
    background: transparent;
    border-bottom: 0;
  }
  .nav-list {
    flex-direction: row;
    align-items: center;
    gap: var(--s4);
  }
  .nav-list a {
    padding: 0.375rem 0;
    border-bottom: 2px solid transparent;
    font-size: 0.9375rem;
  }
  .nav-list a:hover,
  .nav-list a.is-active { border-bottom-color: var(--accent); }

  .nav-cta { margin-top: 0; }

  .owner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--s6);
    align-items: center;
  }

  .contact { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }

  .footer-grid { grid-template-columns: minmax(0, 2fr) repeat(3, minmax(0, 1fr)); gap: var(--s4); }
}

@media (min-width: 1024px) {
  .cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* Sehr schmale Geräte — 360px und darunter sauber halten */
@media (max-width: 380px) {
  :root { --gutter: 1.125rem; }
  .brand-name { font-size: 1.125rem; }
  .nav-toggle-label { display: none; }
  .hero-facts { grid-template-columns: 1fr; }
}