/* =========================================================================
   Seisenberger Elektrotechnik – Design System
   Anthrazit #505050 · Signalrot #E00010 · Weiß · Hellgrau #F5F5F5
   Statische Site, kein Build. DSGVO: keine externen Fonts/Dienste.
   ========================================================================= */

/* ---- Design Tokens ---------------------------------------------------- */
:root {
  /* Farben */
  --ink: #505050;          /* Fließtext & Wordmark */
  --ink-strong: #2f2f2f;   /* Überschriften */
  --ink-soft: #6d6d6d;     /* sekundär */
  --ink-muted: #6e6e6e;    /* meta / Copyright – kontraststark genug für kleinen Text (AA) */
  --red: #e00010;          /* Signalrot – sparsam */
  --red-dark: #b8000d;     /* Hover */
  --white: #ffffff;
  --surface: #f5f5f5;      /* helle Flächen */
  --surface-2: #efefef;
  --border: #e4e4e4;
  --border-strong: #d4d4d4;
  --ink-900: #232323;      /* Hero-Verlauf dunkel */

  /* Typo */
  --font-sans: "Segoe UI", system-ui, -apple-system, "Helvetica Neue",
    "Roboto", "Noto Sans", Arial, sans-serif;

  /* Layout */
  --container: 76rem;      /* 1216px */
  --gutter: clamp(1.25rem, 5vw, 2.5rem);
  --header-h: 4rem;

  /* Radius / Elevation */
  --radius: 4px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.14);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

* { margin: 0; }

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

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.65;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  color: var(--ink-strong);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.025em;
  text-wrap: balance;
}

::selection { background: var(--red); color: #fff; }

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

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

.section { padding-block: clamp(4.5rem, 10vw, 9rem); }
.section--surface { background: var(--surface); }

.eyebrow {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--red);
}
.eyebrow--muted { color: var(--ink-soft); }

.lead {
  font-size: clamp(1.125rem, 1rem + 0.6vw, 1.375rem);
  line-height: 1.6;
  color: var(--ink);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 200;
  background: var(--ink-strong);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

/* ---- Scroll-Fortschritt ----------------------------------------------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--red);
  z-index: 150;
  will-change: transform;
  pointer-events: none;
}

/* ---- Intro-Sequenz (nur Startseite, nur mit JS) ----------------------- */
.intro { display: none; }
.js .intro {
  display: grid;
  place-items: center;
  position: fixed;
  inset: 0;
  z-index: 300;
  background: var(--surface);
  animation: introOut 0.65s var(--ease) 0.9s forwards;
}
.intro__logo {
  height: clamp(2rem, 6vw, 2.8rem);
  width: auto;
  opacity: 0;
  animation: introLogoIn 0.55s var(--ease) 0.1s forwards;
}
@keyframes introLogoIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}
@keyframes introOut {
  to { opacity: 0; visibility: hidden; }
}

/* ---- Buttons ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border: 1px solid transparent;
  transition: background-color 0.25s var(--ease), color 0.25s var(--ease),
    border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

/* Einheitlicher Button-Stil: ruhiger Umriss, ohne Pfeil, neutraler Hover
   (kein Rot). Gilt für „Anfrage senden" und „Leistungen" gleichermaßen. */
.btn--primary {
  background: transparent;
  color: var(--ink-strong);
  border-color: #c9c9c9;
}
.btn--primary:hover {
  border-color: var(--ink-strong);
  color: var(--ink-strong);
  background: rgba(0, 0, 0, 0.04);
}

/* Auf dem dunklen Hero: heller Umriss, neutraler heller Hover –
   identisch zum sekundären „Leistungen"-Button. */
.hero .btn--primary { color: #fff; border-color: rgba(255, 255, 255, 0.5); }
.hero .btn--primary:hover { color: #fff; border-color: #fff; background: rgba(255, 255, 255, 0.1); }

.btn--ghost {
  background: transparent;
  color: var(--ink-strong);
  border-color: var(--border-strong);
}
.btn--ghost:hover { border-color: var(--ink); }

.btn--on-dark {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.5);
}
.btn--on-dark:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); }

/* ---- Header ----------------------------------------------------------- */
/* Header auf größeren Screens etwas höher, damit das größere Logo luftig sitzt */
@media (min-width: 640px) { :root { --header-h: 4.5rem; } }
@media (min-width: 1024px) { :root { --header-h: 4.75rem; } }

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease),
    background-color 0.3s var(--ease);
}
.header.is-scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow-sm);
  background: rgba(255, 255, 255, 0.92);
}
/* Über dem Hero solide weiß, damit das rote Hero-Leuchten nicht durchscheint
   (sonst wirkt der Header rosa). Erst unterhalb des Heros wird er wieder
   halbtransparent (Standardzustand oben). JS setzt .is-over-hero. */
.header.is-over-hero {
  background: #fff;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: transparent;
  box-shadow: none;
}
.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.brand { display: inline-flex; align-items: center; }
.brand img { height: 2.2rem; width: auto; }
@media (min-width: 640px) { .brand img { height: 2.55rem; } }
@media (min-width: 1024px) { .brand img { height: 2.85rem; } }

.nav { display: none; }
@media (min-width: 860px) {
  .nav { display: flex; align-items: center; gap: 1.5rem; }
}
.nav__list {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav__item { position: relative; }
.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9375rem;
  color: var(--ink);
  padding-block: 0.25rem;
  transition: color 0.2s var(--ease);
}
.nav__trigger {
  background: none;
  border: 0;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  height: 1.5px;
  width: 100%;
  background: var(--red);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.nav__link:hover,
.nav__link.is-active,
.nav__item--has-sub.is-open > .nav__trigger { color: var(--ink-strong); }
.nav__link:hover::after,
.nav__link.is-active::after,
.nav__item--has-sub.is-open > .nav__trigger::after { transform: scaleX(1); }

.nav__chev { flex: none; margin-top: 1px; transition: transform 0.3s var(--ease); }
.nav__item--has-sub.is-open > .nav__trigger .nav__chev { transform: rotate(180deg); }
@media (hover: hover) {
  .nav__item--has-sub:hover > .nav__trigger .nav__chev { transform: rotate(180deg); }
  .nav__item--has-sub:hover > .nav__trigger { color: var(--ink-strong); }
}

/* Dropdown-Panel */
.nav__sub {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 232px;
  margin-top: 0.7rem;
  padding: 0.4rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease), visibility 0.2s;
  z-index: 10;
}
.nav__sub--right { left: auto; right: 0; }
/* unsichtbare Brücke: Hover reißt zwischen Trigger und Panel nicht ab */
.nav__sub::before {
  content: "";
  position: absolute;
  top: -0.7rem;
  left: 0;
  right: 0;
  height: 0.7rem;
}
.nav__item--has-sub.is-open > .nav__sub,
.nav__item--has-sub:focus-within > .nav__sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
@media (hover: hover) {
  .nav__item--has-sub:hover > .nav__sub {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
}
.nav__sub-link {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  font-size: 0.9375rem;
  color: var(--ink-strong);
  white-space: nowrap;
  transition: background-color 0.18s var(--ease);
}
.nav__sub-link:hover,
.nav__sub-link:focus-visible { background: #f3f3f3; }
.nav__sub-hint {
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--ink-soft);
}

.nav__cta {
  padding: 0.55rem 1.15rem;
  background: transparent;
  color: var(--ink-strong);
  border: 1px solid #c9c9c9;
  border-radius: var(--radius);
  font-size: 0.9375rem;
  font-weight: 500;
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}
.nav__cta:hover { border-color: var(--ink-strong); color: var(--ink-strong); background: rgba(0, 0, 0, 0.04); }
.nav__lang {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 0.35rem 0.55rem;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.nav__lang:hover { color: var(--ink-strong); border-color: var(--ink-strong); }

/* Aktionen rechts im Header: Anfrage senden, Sprache, Menü-Button */
.header__actions { display: flex; align-items: center; gap: 0.9rem; }
@media (max-width: 599px) {
  .header__actions { gap: 0.55rem; }
  .nav__cta { display: none; } /* auf dem Handy im Menü (zu wenig Platz in der Leiste) */
}

/* Menü-Button mit 3 Strichen */
.burger {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.burger span {
  display: block;
  width: 1.5rem;
  height: 2px;
  border-radius: 2px;
  background: var(--ink-strong);
  transition: transform 0.35s var(--ease), width 0.35s var(--ease), opacity 0.2s var(--ease);
}
.burger span:nth-child(1) { transition-delay: 0s; }
.burger span:nth-child(2) { transition-delay: 0.05s; }
.burger span:nth-child(3) { transition-delay: 0.1s; }
/* Hover: Striche bewegen sich gestaffelt (nur solange geschlossen) */
.burger:not([aria-expanded="true"]):hover span:nth-child(1) { transform: translateX(-4px); width: 1.1rem; }
.burger:not([aria-expanded="true"]):hover span:nth-child(2) { transform: translateX(4px); }
.burger:not([aria-expanded="true"]):hover span:nth-child(3) { transform: translateX(-4px); width: 0.95rem; }
/* Geöffnet: X */
.burger[aria-expanded="true"] span { width: 1.5rem; transition-delay: 0s; }
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
@media (prefers-reduced-motion: reduce) {
  .burger:not([aria-expanded="true"]):hover span { transform: none; width: 1.5rem; }
}

/* Menü-Panel (öffnet über den Menü-Button, auf allen Größen) */
.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  z-index: 99;
  max-height: calc(100svh - var(--header-h));
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  transform: translateY(-8px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease), visibility 0.3s;
}
/* Ab Tablet: schwebende Karte oben rechts statt über die volle Breite */
@media (min-width: 560px) {
  .mobile-nav {
    left: auto;
    right: 1rem;
    width: 340px;
    max-height: calc(100svh - var(--header-h) - 1.25rem);
    margin-top: 0.45rem;
    border: 1px solid var(--border);
    border-radius: 14px;
  }
}
.mobile-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
/* Hinweisleiste berücksichtigen: der Header wird bei aktivem Hinweis um
   --notice-h nach unten geschoben. Das Menü muss dann ebenfalls tiefer starten
   (Hinweis + Header), sonst verdeckt der Header den obersten Punkt („Leistungen").
   Die Resthöhe wird entsprechend begrenzt, damit das KOMPLETTE Menü scrollbar
   bleibt – unabhängig davon, wie lang (wie hoch) der Hinweistext ist. */
:root.has-notice .mobile-nav {
  top: calc(var(--notice-h, 0px) + var(--header-h));
  max-height: calc(100svh - var(--notice-h, 0px) - var(--header-h));
}
@media (min-width: 560px) {
  :root.has-notice .mobile-nav {
    max-height: calc(100svh - var(--notice-h, 0px) - var(--header-h) - 1.25rem);
  }
}
.mobile-nav__list { list-style: none; margin: 0; padding: 0.5rem var(--gutter) 1.25rem; }
@media (min-width: 560px) { .mobile-nav__list { padding: 0.4rem 1.1rem 1rem; } }
.mobile-nav__list > li { border-bottom: 1px solid var(--border); }
.mobile-nav__list > li:last-child { border-bottom: 0; }
.mobile-nav__list > li > a:not(.btn) { display: block; padding: 1rem 0; font-size: 1.05rem; color: var(--ink-strong); transition: color 0.2s var(--ease); }
.mobile-nav__list > li > a:not(.btn):hover { color: var(--red); }
.mobile-nav__cta { display: none; padding-top: 1.15rem; }
.mobile-nav__cta .btn { width: 100%; } /* gleicher Umriss-Stil wie der CTA in der Leiste (iPad/PC) */
@media (max-width: 599px) { .mobile-nav__cta { display: block; } }

/* Mobile-Akkordeon (Leistungen, Unterlagen) */
.m-acc__toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
  font: inherit;
  font-size: 1.05rem;
  color: var(--ink-strong);
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  transition: color 0.2s var(--ease);
}
.m-acc__toggle:hover { color: var(--red); }
.m-acc__toggle .nav__chev { transition: transform 0.3s var(--ease); }
.m-acc.is-open .m-acc__toggle .nav__chev { transform: rotate(180deg); }
.m-sub { display: grid; grid-template-rows: 0fr; transition: grid-template-rows 0.3s var(--ease); }
.m-acc.is-open .m-sub { grid-template-rows: 1fr; }
.m-sub > div { overflow: hidden; }
.m-sub a {
  display: block;
  padding: 0.7rem 0 0.7rem 1rem;
  font-size: 0.98rem;
  color: var(--ink);
  border-left: 2px solid var(--border);
}
.m-sub a:hover { color: var(--ink-strong); border-left-color: var(--red); }
.m-sub > div > a:last-child { margin-bottom: 0.8rem; }

/* ---- Hero ------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
  background: linear-gradient(135deg, #565656 0%, #3a3a3a 55%, var(--ink-900) 100%);
}
.hero__glow {
  position: absolute;
  top: -14rem;
  right: -12rem;
  width: 42rem;
  height: 42rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224, 0, 16, 0.5) 0%, rgba(224, 0, 16, 0) 70%);
  filter: blur(30px);
  opacity: 0.55;
  pointer-events: none;
}
/* Hero-Animation: atmender Schein + sanft driftende Lichtstimmung (nur mit JS,
   bei reduzierter Bewegung automatisch aus) */
.js .hero__glow { animation: heroGlowPulse 7s ease-in-out infinite alternate; }
@keyframes heroGlowPulse {
  from { opacity: 0.28; }
  to { opacity: 0.95; }
}
.hero__aurora {
  position: absolute;
  left: -12rem;
  bottom: -16rem;
  width: 46rem;
  height: 46rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(224, 0, 16, 0.34) 0%, rgba(224, 0, 16, 0) 68%);
  filter: blur(38px);
  opacity: 0.5;
  pointer-events: none;
}
.js .hero__aurora { animation: heroAurora 15s ease-in-out infinite alternate; }
@keyframes heroAurora {
  from { transform: translate3d(0, 0, 0) scale(1); opacity: 0.4; }
  to { transform: translate3d(17rem, -10rem, 0) scale(1.45); opacity: 0.92; }
}
.hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 5.5rem 5.5rem;
  mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, transparent, #000 30%, #000 70%, transparent);
}
.hero__inner {
  position: relative;
  width: 100%;
  padding-block: 2rem;
}
.hero__eyebrow { color: rgba(255, 255, 255, 0.7); }
.hero__eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.75rem;
  height: 1.5px;
  background: var(--red);
  vertical-align: middle;
  margin-right: 0.75rem;
}
.hero h1 {
  color: #fff;
  max-width: 20ch;
  margin-top: 1.5rem;
  font-size: clamp(2.4rem, 1.4rem + 5vw, 5rem);
  line-height: 1.08;
  font-weight: 600;
}
.hero__sub {
  max-width: 46ch;
  margin-top: 1.75rem;
  font-size: clamp(1.0625rem, 1rem + 0.5vw, 1.3rem);
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.82);
}
/* Roter Akzentstrich unter der Headline: beginnt am linken Buchstabenrand
   (Container-Content-Kante) und läuft per Rechts-Breakout bis zum Viewport-
   Rand. Beim Scrollen schrumpft er von links nach rechts (JS setzt
   --rule-scale, transform-origin rechts). */
.hero__rule {
  height: 2px;
  margin-top: clamp(1.5rem, 3.5vw, 2.5rem);
  margin-right: calc(50% - 50vw);
  background: var(--red);
  transform: scaleX(var(--rule-scale, 1));
  transform-origin: right center;
  will-change: transform;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}
.hero__scroll {
  position: absolute;
  bottom: 1.75rem;
  left: 50%;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}
.hero__scroll span { animation: bob 2s var(--ease) infinite; }
@keyframes bob {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(5px); opacity: 1; }
}

/* ---- Bild-Kapitel „bei der Arbeit" ------------------------------------ */
.workhero {
  position: relative;
  min-height: 88vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--ink-900);
  color: #fff;
}
.workhero__media {
  position: absolute;
  left: 0;
  top: -10%;
  width: 100%;
  height: 120%;
  overflow: hidden;
  will-change: transform;
}
.workhero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 38% center;
}
/* Sanfter Dauer-Zoom (Ken Burns) – nur mit JS, bei reduzierter Bewegung aus */
.js .workhero__img { animation: kenburns 26s ease-in-out infinite alternate; will-change: transform; }
@keyframes kenburns {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}
.workhero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(20, 20, 20, 0.88) 0%,
    rgba(20, 20, 20, 0.45) 40%,
    rgba(20, 20, 20, 0.12) 100%
  );
}
.workhero__inner { position: relative; width: 100%; padding-block: clamp(3rem, 7vw, 6rem); }
.workhero__title {
  color: #fff;
  max-width: 22ch;
  margin-top: 0.75rem;
  font-size: clamp(1.9rem, 1.2rem + 3vw, 3.4rem);
  line-height: 1.12;
  font-weight: 600;
}
.workhero__text {
  max-width: 48ch;
  margin-top: 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.25rem);
  line-height: 1.6;
}
/* Bild-Kapitel innerhalb einer Textseite (z. B. Netzwerk) braucht Luft
   zum umgebenden Text – sonst wirkt es gequetscht. */
.legal .workhero { margin-block: clamp(4rem, 10vw, 8rem); }

/* ---- Intro (Kurzvorstellung) ----------------------------------------- */
.split { display: grid; gap: 2.5rem; }
@media (min-width: 900px) {
  .split { grid-template-columns: 5fr 7fr; gap: 3.5rem; }
}
.split__title { font-size: clamp(1.75rem, 1.3rem + 1.8vw, 2.6rem); }

/* ---- Über mich -------------------------------------------------------- */
.about { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 900px) { .about { grid-template-columns: 5fr 7fr; gap: 3.5rem; } }
.about__photo {
  position: relative;
  margin: 0;
  width: 100%;
  max-width: 26rem;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, #565656, #333);
  box-shadow: var(--shadow-md);
  display: grid;
  place-items: center;
}
.about__photo img { width: 100%; height: 100%; object-fit: cover; }
.js .about__photo img { animation: kenburns 32s ease-in-out infinite alternate; will-change: transform; }
.about__placeholder {
  display: none;
  position: absolute;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}
.about__photo.is-empty .about__placeholder { display: block; }
.about__role { margin-top: 0.5rem; color: var(--red); font-weight: 600; font-size: 0.95rem; }

/* ---- Leistungen ------------------------------------------------------- */
.services { margin-top: 3.5rem; border-top: 1px solid var(--border); }
.service {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1.5rem;
  padding-block: clamp(1.75rem, 3vw, 2.75rem);
  border-bottom: 1px solid var(--border);
  align-items: start;
}
@media (min-width: 820px) {
  .service {
    grid-template-columns: 4rem 1fr 1.4fr;
    gap: 2rem;
    align-items: baseline;
  }
}
.service__nr {
  font-variant-numeric: tabular-nums;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--red);
  letter-spacing: 0.05em;
  padding-top: 0.35rem;
}
.service__title {
  font-size: clamp(1.35rem, 1.1rem + 1vw, 1.9rem);
  grid-column: 2 / -1;
}
@media (min-width: 820px) { .service__title { grid-column: auto; } }
.service__text {
  color: var(--ink-soft);
  max-width: 42ch;
  grid-column: 2 / -1;
}
@media (min-width: 820px) { .service__text { grid-column: auto; } }

/* ---- Warum / Badges + Argumente -------------------------------------- */
.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 2.5rem;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  background: var(--white);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--ink-strong);
  box-shadow: var(--shadow-sm);
}
.badge__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--red);
  flex: none;
}
.section--surface .badge { background: #fff; }

.grid-cells {
  display: grid;
  gap: 1px;
  margin-top: 3.5rem;
  background: var(--border);
  border: 1px solid var(--border);
}
@media (min-width: 720px) { .grid-cells { grid-template-columns: 1fr 1fr; } }
.cell {
  background: var(--white);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}
.section--surface .cell { background: var(--surface); }
.cell h3 { font-size: 1.15rem; }
.cell p { margin-top: 0.65rem; color: var(--ink-soft); }
.cell__nr {
  font-variant-numeric: tabular-nums;
  color: var(--red);
  font-weight: 600;
  font-size: 0.85rem;
  display: block;
  margin-bottom: 0.75rem;
}

/* ---- Referenzen ------------------------------------------------------- */
.refs {
  display: grid;
  gap: 1.5rem;
  margin-top: 3.5rem;
}
@media (min-width: 720px) { .refs { grid-template-columns: repeat(3, 1fr); } }
.ref {
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    border-color 0.35s var(--ease);
}
.ref:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
}
.ref__media {
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(224, 0, 16, 0.14), transparent 55%),
    linear-gradient(135deg, #565656, #333);
  position: relative;
  display: grid;
  place-items: center;
}
.ref__media span {
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}
.ref__body { padding: 1.5rem; }
.ref__nr { font-size: 0.8rem; font-weight: 600; color: var(--red); font-variant-numeric: tabular-nums; }
.ref__title { font-size: 1.2rem; margin-top: 0.5rem; }
.ref__text { margin-top: 0.5rem; color: var(--ink-soft); font-size: 0.95rem; }

/* ---- Region ----------------------------------------------------------- */
.region-list {
  display: grid;
  gap: 1px;
  margin-top: 2.5rem;
  background: var(--border);
  border: 1px solid var(--border);
  grid-template-columns: 1fr;
}
@media (min-width: 560px) { .region-list { grid-template-columns: repeat(3, 1fr); } }
.region-list li {
  background: var(--white);
  padding: 1.5rem 1rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

/* ---- Kontakt ---------------------------------------------------------- */
.contact { display: grid; gap: 3rem; }
@media (min-width: 900px) { .contact { grid-template-columns: 5fr 7fr; gap: 4rem; } }
.contact__title { font-size: clamp(1.75rem, 1.3rem + 1.8vw, 2.6rem); }
.contact__meta { margin-top: 2.5rem; display: grid; gap: 1.25rem; }
.contact__meta dt { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); }
.contact__meta dd { margin-top: 0.35rem; color: var(--ink-strong); }
.contact__meta a { transition: color 0.2s var(--ease); }
.contact__meta a:hover { color: var(--red); }

.form { display: grid; gap: 1.6rem; }
.field { display: grid; gap: 0.5rem; }
.field label {
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 600;
}
.field input,
.field textarea,
.field select {
  font: inherit;
  color: var(--ink-strong);
  background: transparent;
  border: 0;
  border-bottom: 1.5px solid var(--border-strong);
  padding: 0.65rem 0;
  transition: border-color 0.25s var(--ease);
}
.field input:focus,
.field textarea:focus,
.field select:focus { outline: none; border-bottom-color: var(--red); }
.field select { border-radius: 0; }

.field-row { display: grid; gap: 1.6rem; }
@media (min-width: 560px) { .field-row { grid-template-columns: 1fr 1fr; } }
.field textarea { resize: vertical; min-height: 7rem; }

.consent { display: flex; align-items: flex-start; gap: 0.75rem; }
.consent input { margin-top: 0.25rem; width: 1.05rem; height: 1.05rem; accent-color: var(--red); flex: none; }
.consent label { font-size: 0.9rem; color: var(--ink-soft); line-height: 1.55; }
.consent a { color: var(--ink-strong); text-decoration: underline; text-underline-offset: 2px; }

.honeypot { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form__status { font-size: 0.95rem; }
.form__status[data-state="success"] { color: #1a7f3c; }
.form__status[data-state="error"] { color: var(--red); }
.form__hint { font-size: 0.9rem; color: var(--ink-soft); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

/* Verlinkte Leistung (z. B. Notdienst) */
.service__link { color: var(--red); font-size: 0.95rem; display: inline-block; margin-top: 0.5rem; }
.service__link:hover { text-decoration: underline; text-underline-offset: 2px; }

/* Notdienst-Seite */
/* Bedien-Widget nur auf dem Handy (Touch + kleiner Screen, Klasse .is-phone) */
.notdienst { max-width: 34rem; margin-top: clamp(2rem, 5vw, 3rem); display: none; gap: 1.5rem; }
.is-phone .notdienst { display: grid; }
.notdienst__call { justify-self: start; }
.notdienst__note { font-size: 0.85rem; color: var(--ink-soft); }

/* Hinweis auf Nicht-Handys: Notdienst-Meldung nur per Smartphone */
.notdienst-hint {
  max-width: 34rem;
  margin-top: clamp(2rem, 5vw, 3rem);
  padding: 1.4rem 1.6rem;
  background: #f6f6f6;
  border: 1px solid var(--border);
  border-left: 3px solid var(--red);
  border-radius: 10px;
}
.notdienst-hint__title { display: flex; align-items: center; gap: 0.6rem; font-size: 1.05rem; font-weight: 600; color: var(--ink-strong); }
.notdienst-hint p { color: var(--ink); line-height: 1.6; }
.notdienst-hint p + p { margin-top: 0.7rem; }
.is-phone .notdienst-hint { display: none; }

/* Erreichbarkeit Notdienst: feste Zeiten + tagesaktueller Status */
.notdienst-hours {
  max-width: 34rem;
  margin-top: clamp(2rem, 5vw, 3rem);
  padding: 1.4rem 1.6rem;
  background: #f6f6f6;
  border: 1px solid var(--border);
  border-left: 3px solid var(--ink-soft);
  border-radius: 10px;
}
.notdienst-hours[data-state="open"] { border-left-color: #1a8f3c; }
.notdienst-hours[data-state="closed"] { border-left-color: var(--red); }
.notdienst-hours__title { display: flex; align-items: center; gap: 0.6rem; font-size: 1.05rem; font-weight: 600; color: var(--ink-strong); }
.notdienst-hours__today { margin-top: 0.7rem; font-weight: 600; color: var(--ink-strong); line-height: 1.6; }
.notdienst-hours[data-state="open"] .notdienst-hours__today { color: #1a8f3c; }
.notdienst-hours[data-state="closed"] .notdienst-hours__today { color: var(--red); }
.notdienst-hours__list { margin-top: 0.7rem; padding-left: 1.1rem; color: var(--ink); line-height: 1.7; }
.notdienst-hours__tz { margin-top: 0.7rem; font-size: 0.85rem; color: var(--ink-soft); line-height: 1.5; }

/* generischer Helfer zum Ausblenden per JS (überschreibt display-Regeln) */
.nd-hidden { display: none !important; }

/* Abwesenheits-/Urlaubshinweis als Leiste ganz oben, über dem Hero */
.site-notice {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 300;
  background: var(--ink-900);
  color: #fff;
  padding: 0.7rem 1.2rem;
  text-align: center;
  font-size: 1rem;
  line-height: 1.5;
  box-shadow: 0 1px 10px rgba(0, 0, 0, 0.25);
}
.site-notice a { color: #fff; text-decoration: underline; }
/* Farbig (meist rot) hervorgehobenen Text auf dem dunklen Balken lesbar halten:
   das dunkle Markenrot hat auf Anthrazit zu wenig Kontrast, daher ein
   kraeftigeres Hellrot plus etwas mehr Schriftstaerke. Greift unabhaengig davon,
   welche Rot-Farbe im Hinweistext der Anfragen-Zentrale gesetzt wird. */
.site-notice [style*="color"] { color: #ff7b72 !important; font-weight: 600; }
.site-notice[hidden] { display: none; }
:root.has-notice .header { top: var(--notice-h, 0px); }
:root.has-notice body { padding-top: var(--notice-h, 0px); }
:root.has-notice .scroll-progress { top: var(--notice-h, 0px); }

/* ---- Footer ----------------------------------------------------------- */
.footer { border-top: 1px solid var(--border); background: var(--white); }
.footer__grid {
  display: grid;
  gap: 2.5rem;
  padding-block: 4rem;
}
@media (min-width: 640px) { .footer__grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .footer__grid { grid-template-columns: 2fr 1.2fr 1fr; } }
.footer__brand img { height: 1.75rem; width: auto; }
.footer__brand p { margin-top: 1rem; max-width: 30ch; color: var(--ink-soft); font-size: 0.95rem; }
.footer h2 { font-size: 0.72rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-soft); margin-bottom: 1rem; }
.footer address { font-style: normal; color: var(--ink-soft); font-size: 0.95rem; line-height: 1.8; }
.footer__links a { position: relative; color: var(--ink-soft); font-size: 0.95rem; transition: color 0.2s var(--ease); }
.footer__links li { padding-block: 0.35rem; }
.footer__links a:hover { color: var(--red); }
.footer__bottom { border-top: 1px solid var(--border); }
.footer__bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.75rem;
  flex-wrap: wrap;
  padding-block: 1.5rem;
}
.footer__bottom p { font-size: 0.8rem; color: var(--ink-muted); }
.footer__brand .footer__badge { display: block; width: fit-content; transition: opacity 0.2s var(--ease); }
.footer__brand .footer__badge:hover { opacity: 0.8; }
.footer__brand .footer__badge--knx { margin-top: 1.75rem; }
.footer__brand .footer__badge--hwk { margin-top: 1.5rem; }
.footer__brand .footer__knx { height: 3.5rem; width: auto; display: block; }
/* Marke Handwerk: fester, legibler Wert oberhalb der Mindestgröße + Schutzzone */
.footer__brand .footer__hwk { display: block; width: 180px; max-width: 100%; height: auto; }
.footer__brand .footer__partner-label { margin: 1.75rem 0 0.75rem; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
.footer__brand .footer__badge--unifi { margin-top: 0; }
.footer__brand .footer__unifi { display: block; height: 1.9rem; width: auto; max-width: 100%; }

/* Partner-Hinweis im Seiteninhalt */
.partner-block { margin-top: 2.5rem; }
.partner-block__label { margin: 0 0 0.9rem; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-soft); }
.partner-block__logo { display: inline-block; transition: opacity 0.2s var(--ease); }
.partner-block__logo:hover { opacity: 0.8; }
.partner-block__logo img { display: block; height: 2.4rem; width: auto; }

/* ---- Legal pages ------------------------------------------------------ */
.legal { padding-top: calc(var(--header-h) + clamp(3rem, 8vw, 6rem)); padding-bottom: 6rem; }
.legal__inner { max-width: 46rem; margin-inline: auto; }
.legal h1 { font-size: clamp(2rem, 1.5rem + 2.5vw, 3rem); margin-top: 1rem; }
.legal__body { margin-top: 3rem; display: grid; gap: 2rem; }
.legal__body h2 { font-size: 1.15rem; color: var(--ink-strong); }
.legal__body p { margin-top: 0.6rem; color: var(--ink-soft); }
.legal__back { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: 3rem; color: var(--ink-strong); font-size: 0.9375rem; }
.legal__back:hover { color: var(--red); }

/* Download-Karten (Seite „Unterlagen & Downloads") */
.downloads { margin-top: 2rem; display: grid; gap: 1rem; }
.download {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.5rem;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}
.download__body { flex: 1 1 18rem; }
.download__title { font-size: 1.15rem; color: var(--ink-strong); }
.download__meta { margin-top: 0.3rem; font-size: 0.8rem; letter-spacing: 0.02em; color: var(--ink-soft); text-transform: uppercase; }
.download__text { margin-top: 0.7rem; color: var(--ink); font-size: 0.95rem; line-height: 1.6; max-width: 54ch; }
.download__btn { flex: none; }

/* Prosa (Markdown-Inhalt neuer Seiten & Rechtstexte) */
.legal__prose h2 { margin-top: 2.25rem; }
.legal__prose h3 { font-size: 1.05rem; color: var(--ink-strong); margin-top: 1.75rem; }
.legal__prose p { margin-top: 0.6rem; color: var(--ink-soft); }
.legal__prose ul,
.legal__prose ol { margin-top: 0.85rem; padding-left: 1.35rem; color: var(--ink-soft); display: grid; gap: 0.4rem; }
.legal__prose ul { list-style: disc; }
.legal__prose ol { list-style: decimal; }
.legal__prose li::marker { color: var(--red); }
.legal__prose a { color: var(--ink-strong); text-decoration: underline; text-underline-offset: 2px; }
.legal__prose a:hover { color: var(--red); }
.legal__prose strong { color: var(--ink-strong); font-weight: 600; }
.legal__prose img { margin-top: 1.5rem; border-radius: var(--radius); }

/* ---- Reveal animations -------------------------------------------------
   Progressive enhancement: ohne JS (kein .js auf <html>) bleibt alles
   sichtbar. Verborgen wird nur, wenn JS aktiv ist. */
.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--reveal-delay, 0s);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

/* ---- Reduced motion --------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .hero__scroll span { animation: none; }
  .js .intro { display: none; }
}