/* =========================================================
   MK-TEC Template – style.css
   1:1 an die Demo (mektec.iv1-technik.de) angelehnt:
   gleiche Schriften, gleiche oklch-Farbwerte, gleiches Lineal,
   gleiche Patterns/Maße. Bootstrap nur als optionale Grid-Basis.
   ========================================================= */

/* ---------- 1. Fonts (lokal, kein CDN) ---------- */
/* Chakra Petch – Headlines */
@font-face { font-family:"Chakra Petch"; font-weight:400; font-style:normal; font-display:swap;
  src:url("../fonts/chakra-petch-400.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"Chakra Petch"; font-weight:400; font-style:normal; font-display:swap;
  src:url("../fonts/chakra-petch-400-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }
@font-face { font-family:"Chakra Petch"; font-weight:500; font-style:normal; font-display:swap;
  src:url("../fonts/chakra-petch-500.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"Chakra Petch"; font-weight:500; font-style:normal; font-display:swap;
  src:url("../fonts/chakra-petch-500-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }
@font-face { font-family:"Chakra Petch"; font-weight:600; font-style:normal; font-display:swap;
  src:url("../fonts/chakra-petch-600.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"Chakra Petch"; font-weight:600; font-style:normal; font-display:swap;
  src:url("../fonts/chakra-petch-600-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }
@font-face { font-family:"Chakra Petch"; font-weight:700; font-style:normal; font-display:swap;
  src:url("../fonts/chakra-petch-700.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"Chakra Petch"; font-weight:700; font-style:normal; font-display:swap;
  src:url("../fonts/chakra-petch-700-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }

/* IBM Plex Sans – Fließtext */
@font-face { font-family:"IBM Plex Sans"; font-weight:400; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-sans-400.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"IBM Plex Sans"; font-weight:400; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-sans-400-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }
@font-face { font-family:"IBM Plex Sans"; font-weight:500; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-sans-500.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"IBM Plex Sans"; font-weight:500; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-sans-500-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }
@font-face { font-family:"IBM Plex Sans"; font-weight:600; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-sans-600.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"IBM Plex Sans"; font-weight:600; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-sans-600-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }
@font-face { font-family:"IBM Plex Sans"; font-weight:700; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-sans-700.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"IBM Plex Sans"; font-weight:700; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-sans-700-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }

/* IBM Plex Mono – Labels, Lineal, technische Werte */
@font-face { font-family:"IBM Plex Mono"; font-weight:400; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-mono-400.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"IBM Plex Mono"; font-weight:400; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-mono-400-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }
@font-face { font-family:"IBM Plex Mono"; font-weight:500; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-mono-500.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"IBM Plex Mono"; font-weight:500; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-mono-500-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }
@font-face { font-family:"IBM Plex Mono"; font-weight:600; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-mono-600.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"IBM Plex Mono"; font-weight:600; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-mono-600-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }
@font-face { font-family:"IBM Plex Mono"; font-weight:700; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-mono-700.woff2") format("woff2"); unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122; }
@font-face { font-family:"IBM Plex Mono"; font-weight:700; font-style:normal; font-display:swap;
  src:url("../fonts/ibm-plex-mono-700-ext.woff2") format("woff2"); unicode-range:U+0100-024F,U+1E00-1EFF; }

/* ---------- 2. Design Tokens (Werte 1:1 aus der Demo übernommen) ---------- */
:root {
  --c-as:        oklch(0.80 0.15 78);
  --c-as-deep:   oklch(0.52 0.13 68);
  --c-mb:        oklch(0.66 0.16 250);
  --c-mb-deep:   oklch(0.50 0.15 252);
  --c-mt:        oklch(0.72 0.13 195);
  --c-mt-deep:   oklch(0.48 0.10 197);
  --c-neutral:   oklch(0.55 0.01 255);

  --bg-dark:     oklch(0.235 0.012 255);
  --bg-dark-2:   oklch(0.20 0.012 255);
  --bg-light:    oklch(0.965 0.004 250);
  --ink:         oklch(0.24 0.01 255);
  --ink-soft:    oklch(0.42 0.01 255);
  --white-ink:   oklch(0.93 0.004 250);

  --font-display:"Chakra Petch", "IBM Plex Sans", sans-serif;
  --font-sans:   "IBM Plex Sans", system-ui, sans-serif;
  --font-mono:   "IBM Plex Mono", ui-monospace, monospace;

  --header-h: 56px;
  --axis-w: 72px;
  --container-max: 1180px;
}

/* ---------- 3. Reset / Base ---------- */
* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--bg-light);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }

:focus-visible {
  outline: 2px solid var(--c-mb);
  outline-offset: 3px;
  border-radius: 1px;
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
}

.mono { font-family: var(--font-mono); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- 4. Das Lineal (linke "Mess-Schiene") ---------- */
#mk-axis {
  position: fixed;
  left: 0;
  top: 0;
  height: 100vh;
  width: var(--axis-w);
  z-index: 40;
  pointer-events: none;
}

.axis__line {
  position: absolute;
  left: 40px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: color-mix(in oklch, var(--c-neutral) 40%, transparent);
}

.axis__ticks {
  position: absolute;
  left: 30px;
  top: 0;
  bottom: 0;
  width: 11px;
  color: var(--c-neutral);
  opacity: 0.45;
  background: repeating-linear-gradient(
    currentColor 0px, currentColor 1px,
    transparent 1px, transparent 7px
  );
}

.axis__label {
  position: absolute;
  left: 18px;
  top: 7px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  color: color-mix(in oklch, var(--c-neutral) 90%, transparent);
  writing-mode: vertical-rl;
}

.axis__mark {
  position: absolute;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
}

.axis__mark-icon {
  position: absolute;
  left: 36px;
  transition: background 0.25s, border-color 0.25s;
}

.axis__mark--as .axis__mark-icon {
  left: 35.5px;
  width: 11px;
  height: 11px;
  background: var(--mark-color, var(--c-neutral));
  transform: rotate(45deg);
}
.axis__mark--mb .axis__mark-icon {
  width: 10px;
  height: 10px;
  border: 2px solid var(--mark-color, var(--c-neutral));
}
.axis__mark--mt .axis__mark-icon {
  width: 4px;
  height: 16px;
  background: var(--mark-color, var(--c-neutral));
}

.axis__mark-label {
  position: absolute;
  left: 54px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--mark-color, var(--c-neutral));
  transition: color 0.25s;
}

.axis__indicator {
  position: absolute;
  left: 22px;
  top: 8%;
  width: 0;
  height: 0;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid var(--c-as);
  transition: top 0.12s linear, border-left-color 0.25s;
  filter: drop-shadow(0 0 5px var(--c-as));
}

@media (max-width: 1023px) {
  #mk-axis { display: none !important; }
  #mk-main { padding-left: 0 !important; }
}
@media (min-width: 1024px) {
  #mk-main { padding-left: var(--axis-w); }
}

/* ---------- 5. Header / Navigation ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(16px, 3vw, 28px);
  background: color-mix(in oklch, var(--bg-dark) 78%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid color-mix(in oklch, white 9%, transparent);
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.12em;
  font-size: 15px;
  color: var(--white-ink);
}

.brand__mark {
  width: 9px;
  height: 9px;
  background: var(--c-as);
  transform: rotate(45deg);
  display: inline-block;
  flex-shrink: 0;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2.4vw, 26px);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2.4vw, 26px);
}

.main-nav__item { position: relative; }

.main-nav__link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 2px;
  transition: color 0.2s ease;
}

.main-nav__item--as .main-nav__link { color: var(--c-as); }
.main-nav__item--mb .main-nav__link { color: var(--c-mb); }
.main-nav__item--mt .main-nav__link { color: var(--c-mt); }
.main-nav__item--kontakt .main-nav__link { color: var(--c-neutral); }

.main-nav__link:hover,
.main-nav__link.is-active { filter: brightness(1.15); }

.main-nav__caret {
  font-size: 9px;
  transition: transform 0.2s ease;
}

.main-nav__item.is-open .main-nav__caret { transform: rotate(180deg); }

.header-phone {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 13px;
  color: oklch(0.2 0 0);
  background: var(--c-as);
  padding: 8px 14px;
}

@media (max-width: 719px) {
  .mk-hide-sm { display: none !important; }
}

.main-nav__dropdown {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 250px;
  background: var(--bg-dark-2);
  border: 1px solid color-mix(in oklch, white 10%, transparent);
  box-shadow: 0 18px 40px rgba(0,0,0,.5);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
  z-index: 60;
}

.main-nav__item.is-open .main-nav__dropdown,
.main-nav__item:hover .main-nav__dropdown {
  opacity: 1; visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.main-nav__dropdown-link {
  display: flex; flex-direction: column; gap: 2px;
  padding: 10px 12px; border-radius: 2px;
  transition: background .15s ease;
}
.main-nav__dropdown-link:hover { background: color-mix(in oklch, white 6%, transparent); }
.main-nav__dropdown-link strong {
  font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .04em;
  color: var(--white-ink); font-weight: 500;
}
.main-nav__dropdown-link span {
  font-size: 11.5px; color: var(--c-neutral); font-family: var(--font-mono);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 30px;
  height: 30px;
}

.nav-toggle span {
  display: block; width: 100%; height: 2px;
  background: var(--white-ink);
  transition: transform .25s ease, opacity .25s ease;
}

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

@media (max-width: 719px) {
  .nav-toggle { display: flex; }

  .main-nav {
    position: fixed;
    top: var(--header-h); left: 0; right: 0; bottom: 0;
    background: var(--bg-dark);
    flex-direction: column;
    align-items: stretch;
    padding: 20px;
    gap: 0;
    transform: translateX(100%);
    transition: transform .3s ease;
    overflow-y: auto;
  }

  .main-nav.is-open { transform: translateX(0); }

  .main-nav__list { flex-direction: column; align-items: stretch; gap: 0; }

  .main-nav__item { border-bottom: 1px solid color-mix(in oklch, white 9%, transparent); }

  .main-nav__link { width: 100%; justify-content: space-between; padding-block: 16px; font-size: 15px; }

  .main-nav__dropdown {
    position: static; transform: none; box-shadow: none; border: none;
    background: color-mix(in oklch, white 3%, transparent);
    max-height: 0; overflow: hidden; opacity: 1; visibility: visible; padding: 0;
  }

  .main-nav__item.is-open .main-nav__dropdown {
    max-height: 420px; padding: 6px; margin-bottom: 8px;
  }

  .header-phone { display: block; text-align: center; margin-top: 20px; }
}

/* ---------- 6. Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--bg-dark);
  color: var(--white-ink);
  padding: clamp(108px, 15vh, 176px) clamp(20px, 5vw, 56px) clamp(48px, 7vh, 80px);
}

.hero__glow {
  position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(110% 75% at 88% -10%, color-mix(in oklch, var(--bg-dark) 80%, white 8%) 0%, transparent 58%);
}

.hero__grid {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background:
    linear-gradient(color-mix(in oklch, white 4%, transparent) 0px, color-mix(in oklch, white 4%, transparent) 1px, transparent 1px) 0 0/100% 34px,
    linear-gradient(90deg, color-mix(in oklch, white 4%, transparent) 0px, color-mix(in oklch, white 4%, transparent) 1px, transparent 1px) 0 0/34px 100%;
  mask: linear-gradient(transparent, black 30%, black 70%, transparent);
}

.hero__inner { position: relative; max-width: var(--container-max); margin: 0 auto; }

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: .16em;
  color: color-mix(in oklch, var(--c-neutral) 100%, white 15%);
  display: flex; gap: 12px; flex-wrap: wrap; align-items: center;
  margin-bottom: clamp(28px, 5vh, 46px);
}

.hero__eyebrow .dot { color: var(--c-as); }
.hero__eyebrow .sep { opacity: .45; }

.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.04;
  letter-spacing: -0.015em;
  font-size: clamp(33px, 6.3vw, 84px);
  margin: 0;
  max-width: 15ch;
}

.hero__title .t-as { color: var(--c-as); }
.hero__title .t-mb { color: var(--c-mb); }
.hero__title .t-mt { color: var(--c-mt); }
.hero__title .t-dim { color: var(--c-neutral); }
.hero__title .t-dim-final { color: var(--c-neutral); font-weight: 400; }

.hero__lead {
  font-size: clamp(16px, 1.85vw, 21px);
  line-height: 1.55;
  color: color-mix(in oklch, var(--white-ink) 80%, transparent);
  max-width: 60ch;
  margin: clamp(24px, 4vh, 34px) 0 0;
  font-weight: 400;
}

.hero__actions {
  display: flex; gap: 14px; flex-wrap: wrap;
  margin-top: clamp(28px, 4.5vh, 40px);
}

.btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: 16px;
  padding: 14px 22px;
  transition: filter .15s ease, transform .15s ease;
}

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

.btn--light { font-weight: 600; color: oklch(0.2 0 0); background: var(--white-ink); }
.btn--outline { font-weight: 500; color: var(--white-ink); border: 1px solid color-mix(in oklch, white 22%, transparent); }
.btn--theme { font-weight: 600; padding: 11px 18px; font-size: 13px; font-family: var(--font-mono); letter-spacing: .04em; color: oklch(0.18 0.02 70); background: var(--theme-color, var(--c-as)); }

.hero__meta {
  position: relative;
  max-width: var(--container-max);
  margin: clamp(44px, 7vh, 72px) auto 0;
  border-top: 1px solid color-mix(in oklch, white 12%, transparent);
  padding-top: 18px;
  display: flex; gap: clamp(18px, 4vw, 52px); flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 11.5px; letter-spacing: .05em;
  color: color-mix(in oklch, var(--c-neutral) 100%, white 7%);
}

.hero__meta strong {
  color: color-mix(in oklch, var(--white-ink) 78%, transparent);
  font-weight: 400;
}

/* ---------- 7. Section-Grundgerüst ---------- */
.section {
  position: relative;
  overflow: hidden;
  padding: clamp(56px, 9vh, 108px) clamp(20px, 5vw, 56px);
}

.section--light { background: var(--bg-light); }
.section--dark { background: var(--bg-dark); color: var(--white-ink); }

.section__inner { position: relative; max-width: var(--container-max); margin: 0 auto; }

.section-head {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  margin-bottom: clamp(28px, 4vh, 44px);
}

.eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em;
  color: var(--c-neutral);
}

.section--dark .eyebrow { color: color-mix(in oklch, var(--c-neutral) 100%, white 10%); }

.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 3.6vw, 46px);
  line-height: 1.05;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--ink);
}

.section--dark .section-title { color: var(--white-ink); }

.section-lead {
  max-width: 64ch;
  margin: 0 0 clamp(28px, 4vh, 44px);
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.55;
  color: var(--ink-soft);
}

.area-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: clamp(14px, 1.6vw, 20px);
}

.area-card {
  text-align: left;
  background: var(--card-bg);
  border-width: 4px 1px 1px;
  border-style: solid;
  border-color: var(--card-color) var(--card-border) var(--card-border);
  padding: clamp(20px, 2.4vw, 28px);
  display: flex; flex-direction: column; gap: 14px;
  transition: transform .18s, box-shadow .18s;
}

.area-card:hover { transform: translateY(-3px); box-shadow: 0 16px 32px rgba(0,0,0,.1); }

.area-card__top { display: flex; align-items: center; justify-content: space-between; }

.area-card__code {
  font-family: var(--font-display); font-weight: 700; font-size: 30px;
  color: var(--card-color); letter-spacing: .02em;
}

.area-card__tag {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em;
  color: var(--card-color); border: 1px solid var(--card-border-strong);
  padding: 4px 8px;
}

.area-card__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(18px, 1.8vw, 21px); line-height: 1.2; color: var(--card-ink);
}

.area-card__text { font-size: 14px; line-height: 1.5; color: var(--card-ink-soft); }

.area-card__link { font-family: var(--font-mono); font-size: 12px; color: var(--card-color); }

/* ---------- 8. Bereichs-Detail-Sections (AS / MB / MT) ---------- */
.area-section {
  border-top: 4px solid var(--theme-color);
  background: var(--theme-bg);
}

.area-section__pattern {
  position: absolute; inset: 0; pointer-events: none;
}

.area-detail {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: clamp(28px, 5vw, 68px);
}

.area-detail__head {
  display: flex; align-items: flex-start; gap: 18px; margin-bottom: 24px;
}

.area-detail__badge {
  flex: 0 0 auto;
  width: clamp(72px, 8vw, 96px);
  height: clamp(72px, 8vw, 96px);
  background: var(--theme-color);
  color: var(--badge-ink);
  display: grid; place-items: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 3.6vw, 46px);
  letter-spacing: .01em;
}

.area-detail__meta { padding-top: 4px; }

.area-detail__kicker {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em;
  color: var(--theme-deep);
}

.area-detail__sub {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em;
  color: var(--theme-deep); opacity: .85; margin-top: 6px;
}

.area-detail__title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(26px, 3.3vw, 42px); line-height: 1.05; letter-spacing: -.01em;
  margin: 0 0 16px; color: var(--theme-ink);
}

.area-detail__text {
  font-size: clamp(15px, 1.6vw, 18px); line-height: 1.6;
  color: var(--theme-ink-soft); max-width: 46ch; margin: 0 0 24px;
}

.service-list__label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em;
  color: var(--theme-deep); padding-bottom: 6px;
  border-bottom: 1px solid var(--theme-border);
  margin-bottom: 4px;
}

.service-item {
  display: flex; align-items: flex-start; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid var(--theme-border);
}

.service-item__icon { flex: 0 0 auto; margin-top: 5px; background: var(--theme-icon); }
.icon-as { width: 11px; height: 11px; transform: rotate(45deg); }
.icon-mb { width: 12px; height: 12px; border: 2px solid var(--theme-icon); background: transparent !important; }
.icon-mt { width: 4px; height: 16px; margin-top: 3px; }

.service-item__text {
  flex: 1; font-size: clamp(14.5px, 1.5vw, 17px); line-height: 1.45; color: var(--theme-ink);
}

.service-item__chip {
  flex: 0 0 auto;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .04em;
  color: var(--theme-deep);
  border: 1px solid var(--theme-chip-border);
  background: var(--theme-chip-bg);
  padding: 4px 8px; white-space: nowrap;
}

.area-section--as {
  --theme-color: var(--c-as); --theme-deep: var(--c-as-deep);
  --theme-bg: oklch(0.97 0.011 80);
  --theme-ink: oklch(0.24 0.03 68); --theme-ink-soft: oklch(0.4 0.025 68);
  --theme-border: oklch(0.88 0.015 75); --theme-icon: oklch(0.74 0.15 72);
  --theme-chip-border: oklch(0.82 0.09 74); --theme-chip-bg: oklch(0.97 0.02 78);
  --badge-ink: oklch(0.18 0.02 70);
}
.area-section--as .area-section__pattern {
  opacity: .1;
  background: repeating-linear-gradient(135deg, oklch(0.7 0.15 70) 0px, oklch(0.7 0.15 70) 2px, transparent 2px, transparent 20px);
}

.area-section--mb {
  --theme-color: var(--c-mb); --theme-deep: var(--c-mb-deep);
  --theme-bg: oklch(0.97 0.011 250);
  --theme-ink: oklch(0.23 0.04 252); --theme-ink-soft: oklch(0.4 0.03 252);
  --theme-border: oklch(0.88 0.018 250); --theme-icon: oklch(0.55 0.16 250);
  --theme-chip-border: oklch(0.8 0.09 250); --theme-chip-bg: oklch(0.97 0.018 250);
  --badge-ink: oklch(0.97 0.01 250);
}
.area-section--mb .area-section__pattern {
  opacity: .085;
  background:
    linear-gradient(oklch(0.56 0.16 250) 0px, oklch(0.56 0.16 250) 1px, transparent 1px) 0 0/100% 30px,
    linear-gradient(90deg, oklch(0.56 0.16 250) 0px, oklch(0.56 0.16 250) 1px, transparent 1px) 0 0/30px 100%;
}

.area-section--mt {
  --theme-color: var(--c-mt); --theme-deep: var(--c-mt-deep);
  --theme-bg: oklch(0.97 0.011 195);
  --theme-ink: oklch(0.22 0.04 197); --theme-ink-soft: oklch(0.39 0.03 197);
  --theme-border: oklch(0.88 0.018 195); --theme-icon: oklch(0.55 0.11 197);
  --theme-chip-border: oklch(0.8 0.08 195); --theme-chip-bg: oklch(0.97 0.018 195);
  --badge-ink: oklch(0.16 0.03 197);
}
.area-section--mt .area-section__pattern {
  opacity: .16;
  background:
    repeating-linear-gradient(90deg, oklch(0.58 0.12 197) 0px, oklch(0.58 0.12 197) 1px, transparent 1px, transparent 15px),
    repeating-linear-gradient(90deg, oklch(0.58 0.12 197) 0px, oklch(0.58 0.12 197) 1px, transparent 1px, transparent 75px);
  mask: linear-gradient(black, black 18%, transparent 30%);
}

/* ---------- 9. Kontakt-Section ---------- */
.contact {
  background: var(--bg-dark);
  color: var(--white-ink);
}

.contact__grid-bg {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background: linear-gradient(90deg, color-mix(in oklch, white 4%, transparent) 0px, color-mix(in oklch, white 4%, transparent) 1px, transparent 1px) 0 0/34px 100%;
  mask: linear-gradient(to right, black, transparent 55%);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: clamp(20px, 3vw, 40px);
  border-top: 1px solid color-mix(in oklch, white 12%, transparent);
  padding-top: clamp(28px, 4vh, 40px);
}

.contact-block__label {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em;
  margin-bottom: 12px;
}

.contact-block--verwaltung .contact-block__label { color: var(--c-as); }
.contact-block--fertigung .contact-block__label { color: var(--c-mb); }
.contact-block--erreichbarkeit .contact-block__label { color: var(--c-mt); }

.contact-block address {
  font-style: normal; font-size: 17px; line-height: 1.55;
  color: color-mix(in oklch, var(--white-ink) 88%, transparent);
}

.contact-block__note {
  font-size: 14px; line-height: 1.5;
  color: color-mix(in oklch, var(--c-neutral) 100%, white 10%);
  margin-top: 10px;
}

.contact-rows {
  display: flex; flex-direction: column; gap: 7px;
  font-family: var(--font-mono); font-size: 14px;
  color: color-mix(in oklch, var(--white-ink) 88%, transparent);
}

.contact-row {
  display: flex; justify-content: space-between; gap: 12px;
  border-bottom: 1px solid color-mix(in oklch, white 8%, transparent);
  padding-bottom: 7px;
}

.contact-row .label { color: var(--c-neutral); }

.contact-row--urgent {
  border-bottom-color: color-mix(in oklch, var(--c-as) 40%, transparent);
  color: oklch(0.86 0.12 80);
}
.contact-row--urgent .label { color: oklch(0.7 0.1 78); }

.contact-cta {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-top: clamp(28px, 4vh, 40px);
}

.contact-quote {
  margin: clamp(40px, 6vh, 68px) 0 0;
  max-width: 30ch;
  border-left: 3px solid var(--c-as);
  padding: 6px 0 6px 22px;
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(19px, 2.4vw, 30px); line-height: 1.25; letter-spacing: -.01em;
  color: color-mix(in oklch, var(--white-ink) 90%, transparent);
}

/* ---------- 10. Footer ---------- */
.site-footer {
  background: var(--bg-dark-2);
  color: var(--c-neutral);
  padding: clamp(36px, 5vh, 56px) clamp(20px, 5vw, 56px);
}

.site-footer__inner {
  max-width: var(--container-max); margin: 0 auto;
  display: flex; flex-direction: column; gap: 22px;
}

.site-footer__top {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 18px;
  border-bottom: 1px solid color-mix(in oklch, white 8%, transparent);
  padding-bottom: 22px;
}

.site-footer__brand {
  display: flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-weight: 500; letter-spacing: .12em;
  font-size: 15px; color: color-mix(in oklch, var(--white-ink) 90%, transparent);
}

.site-footer__swatches { display: flex; gap: 8px; }
.site-footer__swatches span { width: 26px; height: 5px; }
.site-footer__swatches span:nth-child(1) { background: var(--c-as); }
.site-footer__swatches span:nth-child(2) { background: var(--c-mb); }
.site-footer__swatches span:nth-child(3) { background: var(--c-mt); }

.site-footer__disclaimer {
  margin: 0; max-width: 90ch;
  font-family: var(--font-mono); font-size: 11.5px; line-height: 1.7; letter-spacing: .02em;
  color: color-mix(in oklch, var(--c-neutral) 100%, white 0%);
}

.site-footer__copy {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .04em;
  color: color-mix(in oklch, var(--c-neutral) 90%, transparent);
}

/* ---------- 11. Utilities ---------- */
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--white-ink); color: var(--ink);
  padding: 12px 18px; z-index: 100;
  font-family: var(--font-mono); font-size: 13px;
}

.skip-link:focus { left: 16px; top: 16px; }

/* ---------- 12. Bereichs-Unterseiten (as.php / mb.php / mt.php) ---------- */
.area-page__breadcrumb {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: .04em;
  color: var(--theme-deep);
  display: flex; align-items: center; gap: 8px;
  margin-bottom: clamp(20px, 3vh, 32px);
}

.area-page__breadcrumb a { text-decoration: underline; text-underline-offset: 2px; }
.area-page__breadcrumb a:hover { opacity: .75; }
.area-page__breadcrumb span[aria-hidden] { opacity: .5; }

.area-page__hero { padding-top: clamp(88px, 13vh, 140px); }

.area-page__intro {
  max-width: 70ch;
  font-size: clamp(15px, 1.6vw, 18px); line-height: 1.6;
  color: var(--theme-ink-soft);
  margin: 0 0 clamp(28px, 4vh, 44px);
}

.area-page__blocks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(18px, 2vw, 28px);
}

.area-page__block {
  border-top: 3px solid var(--theme-color);
  background: color-mix(in oklch, var(--theme-bg) 60%, white 40%);
  padding: clamp(18px, 2vw, 24px);
}

.area-page__block-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(16px, 1.6vw, 19px); line-height: 1.25;
  color: var(--theme-ink);
  margin: 0 0 10px;
}

.area-page__block-text {
  font-size: 14.5px; line-height: 1.55;
  color: var(--theme-ink-soft);
  margin: 0;
}

.area-page__cta {
  display: flex; flex-wrap: wrap; gap: 14px;
  margin-top: clamp(36px, 5vh, 52px);
  padding-top: clamp(24px, 3vh, 36px);
  border-top: 1px solid var(--theme-border);
}

.btn--outline-theme {
  font-weight: 600; padding: 11px 18px; font-size: 13px;
  font-family: var(--font-mono); letter-spacing: .04em;
  color: var(--theme-deep);
  border: 1px solid var(--theme-deep);
  background: transparent;
}

/* ---------- 13. Scroll-to-Top ---------- */
/* Passend zum Lineal: quadratisch, scharfkantig, Monospace-Pfeil,
   Theme-Farbe folgt dem zuletzt aktiven Bereich (per JS gesetzt). */
.scroll-top {
  position: fixed;
  right: clamp(16px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 28px);
  z-index: 45;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-dark-2);
  border: 1px solid var(--scroll-top-color, var(--c-as));
  color: var(--scroll-top-color, var(--c-as));
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease, visibility .2s, border-color .25s, color .25s;
}

.scroll-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top:hover,
.scroll-top:focus-visible {
  background: var(--scroll-top-color, var(--c-as));
  color: var(--bg-dark);
}

.scroll-top__arrow {
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-bottom: 9px solid currentColor;
  transition: border-bottom-color .2s ease;
}

.scroll-top__label {
  position: absolute;
  bottom: 100%;
  right: 0;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  white-space: nowrap;
  color: var(--white-ink);
  background: var(--bg-dark-2);
  border: 1px solid color-mix(in oklch, white 10%, transparent);
  padding: 4px 8px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .15s ease, visibility .15s;
  pointer-events: none;
}

.scroll-top:hover .scroll-top__label,
.scroll-top:focus-visible .scroll-top__label {
  opacity: 1;
  visibility: visible;
}

@media (max-width: 719px) {
  .scroll-top { width: 40px; height: 40px; }
  .scroll-top__label { display: none; }
}

@media print {
  .scroll-top { display: none !important; }
}