/* =========================================================================
   V3 · KOMPONENTEN
   Reihenfolge: Navigation · Buttons · Hero · Leistungen · Hinweise ·
   Prozess · Studio · Technik · FAQ · Formular · Seitenkopf · CTA · Footer
   ========================================================================= */

/* -------------------------------------------------------------------------
   Logo
   ---------------------------------------------------------------------
   Zwei Bilddateien statt einer weißen Platte hinter dem Logo: Die Quelle
   ist freigestellt, die dunkle Variante trägt helle Schrift. Beide liegen
   im DOM, damit der Wechsel ohne JavaScript und ohne Flackern passiert.
   ------------------------------------------------------------------------- */
.logo {
  display: inline-flex;
  align-items: center;
  flex: none;
  text-decoration: none;
  border-radius: var(--radius-xs);
}
.brand-logo { width: clamp(132px, 11vw, 158px); height: auto; }
.brand-logo--dark { display: none; }

@supports (color: light-dark(#fff, #000)) {
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .brand-logo--light { display: none; }
    :root:not([data-theme="light"]) .brand-logo--dark  { display: block; }
  }
  :root[data-theme="dark"] .brand-logo--light { display: none; }
  :root[data-theme="dark"] .brand-logo--dark  { display: block; }
  :root[data-theme="light"] .brand-logo--light { display: block; }
  :root[data-theme="light"] .brand-logo--dark  { display: none; }
}

/* -------------------------------------------------------------------------
   Navigation
   ------------------------------------------------------------------------- */
.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-nav);
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: var(--bg-glass);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-ui) var(--ease), background-color var(--dur-ui) var(--ease);
}
@supports not (backdrop-filter: blur(1px)) { .site-nav { background: var(--bg); } }
.site-nav.is-stuck { border-bottom-color: var(--border-subtle); }

.nav__inner {
  width: var(--wrap-wide);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav__links { display: none; }
.nav__end { margin-left: auto; display: flex; align-items: center; gap: var(--space-2); }

@media (min-width: 1024px) {
  .nav__links { display: flex; align-items: center; gap: var(--space-1); margin-left: var(--space-7); }
  .nav__end { gap: var(--space-3); }
}

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  padding-inline: var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--step-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease);
}
.nav__link:hover { color: var(--text-primary); background: var(--bg-accent-soft); }
.nav__link[aria-current="page"] { color: var(--text-primary); font-weight: 580; }
.nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: var(--space-3); right: var(--space-3);
  bottom: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.icon-btn {
  display: inline-grid;
  place-items: center;
  min-width: var(--tap);
  min-height: var(--tap);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  color: var(--text-secondary);
  transition: color var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease),
              border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}
.icon-btn:hover { color: var(--text-primary); background: var(--bg-accent-soft); border-color: var(--border-subtle); }
.icon-btn:active { transform: scale(.94); }
.icon-btn svg { width: 20px; height: 20px; }

.theme-toggle .icon-moon { display: none; }
@supports (color: light-dark(#fff, #000)) {
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .theme-toggle .icon-sun  { display: none; }
    :root:not([data-theme="light"]) .theme-toggle .icon-moon { display: block; }
  }
  :root[data-theme="dark"] .theme-toggle .icon-sun  { display: none; }
  :root[data-theme="dark"] .theme-toggle .icon-moon { display: block; }
  :root[data-theme="light"] .theme-toggle .icon-sun  { display: block; }
  :root[data-theme="light"] .theme-toggle .icon-moon { display: none; }
}

.site-nav .nav__cta { display: none; }
@media (min-width: 620px) { .site-nav .nav__cta { display: inline-flex; } }

.nav__toggle { display: grid; gap: 5px; }
@media (min-width: 1024px) { .nav__toggle { display: none; } }
.nav__toggle .bar {
  display: block;
  width: 18px; height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur-ui) var(--ease), opacity var(--dur-fast) var(--ease);
}
.nav__toggle[aria-expanded="true"] .bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] .bar:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] .bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__panel {
  position: fixed;
  inset: var(--nav-h) 0 auto;
  z-index: var(--z-overlay);
  background: var(--bg);
  border-bottom: 1px solid var(--border-subtle);
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  visibility: hidden;
  max-height: calc(100dvh - var(--nav-h));
  overflow-y: auto;
  overscroll-behavior: contain;
  transition: grid-template-rows var(--dur-slow) var(--ease),
              opacity var(--dur-ui) var(--ease),
              visibility 0s linear var(--dur-slow);
}
.nav__panel > div { overflow: hidden; }
.nav__panel.is-open { grid-template-rows: 1fr; opacity: 1; visibility: visible; transition-delay: 0s, 0s, 0s; }
@media (min-width: 1024px) { .nav__panel { display: none; } }
.nav__panel a {
  display: flex;
  align-items: center;
  min-height: 56px;
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 560;
  letter-spacing: var(--tracking-tight);
  color: var(--text-primary);
  text-decoration: none;
}
.nav__panel a[aria-current="page"] { color: var(--accent); }
.nav__panel a:last-of-type { border-bottom: 0; }
.nav__panel .btn { margin-block: var(--space-5) var(--space-7); width: 100%; }

/* Ohne JavaScript: Panel als statische Liste, Umschalter unsichtbar */
.no-js .nav__toggle, .no-js [data-theme-toggle] { display: none; }
.no-js .nav__panel { position: static; visibility: visible; opacity: 1; grid-template-rows: 1fr; max-height: none; margin-top: var(--nav-h); }
@media (min-width: 1024px) { .no-js .nav__panel { display: none; } }

/* -------------------------------------------------------------------------
   Buttons
   ------------------------------------------------------------------------- */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--text-primary);
  --btn-bd: var(--border-default);
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  min-height: 48px;
  padding-inline: var(--space-6);
  border: 1px solid var(--btn-bd);
  border-radius: var(--radius-sm);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-text);
  font-size: var(--step-sm);
  font-weight: 580;
  letter-spacing: -.006em;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur-ui) var(--ease), color var(--dur-ui) var(--ease),
              border-color var(--dur-ui) var(--ease), transform var(--dur-ui) var(--ease),
              box-shadow var(--dur-ui) var(--ease);
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); transition-duration: var(--dur-fast); }

.btn--primary {
  --btn-bg: var(--accent-solid);
  --btn-fg: #FFF;
  --btn-bd: transparent;
  box-shadow: var(--shadow-sm);
}
.btn--primary:hover { --btn-bg: var(--accent-hover); box-shadow: var(--shadow-accent); color: #FFF; }
.btn--primary:active { --btn-bg: var(--accent-active); }

.btn--ghost:hover { background: var(--bg-accent-soft); border-color: var(--border-strong); }
.btn--quiet { --btn-bd: transparent; --btn-fg: var(--text-secondary); }
.btn--quiet:hover { --btn-fg: var(--text-primary); background: var(--bg-accent-soft); }

.btn--sm { min-height: var(--tap); padding-inline: var(--space-5); font-size: var(--step-xs); }
.btn--lg { min-height: 54px; padding-inline: var(--space-7); font-size: var(--step-body); }

.btn[disabled], .btn[aria-disabled="true"] { opacity: .5; pointer-events: none; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: var(--tap);
  font-size: var(--step-sm);
  font-weight: 560;
  text-decoration: none;
}
.link-arrow svg { width: 15px; height: 15px; transition: transform var(--dur-ui) var(--ease); }
.link-arrow:hover svg { transform: translateX(4px); }

/* Textlink mit Unterkante — der ruhige Zweit-CTA */
.textlink {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  min-height: var(--tap);
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-size: var(--step-sm);
  font-weight: 560;
  text-decoration: none;
  transition: border-color var(--dur-ui) var(--ease), color var(--dur-ui) var(--ease);
}
.textlink:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* -------------------------------------------------------------------------
   Hero
   ------------------------------------------------------------------------- */
.hero { padding-top: calc(var(--nav-h) + var(--space-9)); position: relative; }
.hero__grid { display: grid; gap: var(--space-9); align-items: center; padding-bottom: var(--space-9); }
@media (min-width: 960px) {
  .hero { padding-top: calc(var(--nav-h) + var(--space-11)); }
  .hero__grid { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: var(--space-10); padding-bottom: var(--space-11); }
}

.hero h1 { margin: var(--space-6) 0 var(--space-5); }
.hero h1 em { font-style: normal; color: var(--accent); }
.hero__intro { font-size: var(--step-lede); line-height: 1.62; color: var(--text-secondary); max-width: 40ch; }
.hero__actions { margin-top: var(--space-8); display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-5); }

/* Beleg statt Behauptung: drei prüfbare Zusagen direkt unter dem CTA */
.hero__proof {
  margin-top: var(--space-8);
  display: grid;
  gap: var(--space-3);
  font-size: var(--step-sm);
  color: var(--text-secondary);
}
.hero__proof li { display: flex; align-items: flex-start; gap: var(--space-3); }
.hero__proof svg { width: 17px; height: 17px; flex: none; margin-top: .28em; color: var(--accent); }

/* Signet-Fläche — das einzige laute Element der Seite */
.brand-canvas {
  position: relative;
  /* width ist nötig: margin-inline:auto nimmt dem Grid-Item das Strecken,
     und alle Kinder sind absolut positioniert — die Box bliebe 0 breit. */
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 34rem;
  margin-inline: auto;
  background: var(--canvas-bg);
  color: var(--canvas-fg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
  box-shadow: var(--shadow-lg);
}
@media (max-width: 719px) {
  .brand-canvas { aspect-ratio: 4 / 3; }
  /* Im flacheren Format braucht das Signet weniger Höhe, sonst berührt es die Fußzeile */
  .brand-canvas__mark { width: 26%; top: 17%; }
}
.brand-canvas::before {
  content: "";
  position: absolute; inset: 0; z-index: 0;
  background-image:
    linear-gradient(var(--canvas-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--canvas-line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: .55;
}
.brand-canvas > * { position: relative; z-index: 1; }
.brand-canvas__top {
  position: absolute;
  inset: var(--space-6) var(--space-6) auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
}
.brand-canvas__sig { font-size: 1.4rem; font-weight: 700; letter-spacing: -.06em; }
.brand-canvas__tag {
  font-family: var(--font-mono);
  font-size: var(--step-2xs);
  letter-spacing: var(--tracking-wide);
  line-height: 1.6;
  text-align: right;
  text-transform: uppercase;
  color: var(--canvas-quiet);
}
.brand-canvas__orbit {
  position: absolute;
  inset: 16% 13%;
  border: 1px solid var(--canvas-line);
  border-radius: 50%;
  transform: rotate(-30deg);
}
.brand-canvas__orbit::before {
  content: "";
  position: absolute; inset: 14% -13%;
  border: 1px solid var(--canvas-line);
  border-radius: 50%;
}
.brand-canvas__mark {
  position: absolute;
  top: 20%; left: 50%;
  translate: -50% 0;
  width: 34%;
  filter: drop-shadow(0 18px 40px rgba(24, 14, 60, .28));
}
.brand-canvas__foot {
  position: absolute;
  inset: auto var(--space-6) var(--space-6);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: clamp(1.0625rem, .9rem + .7vw, 1.375rem);
  font-weight: 600;
  letter-spacing: -.03em;
}
.brand-canvas__foot span:last-child { font-size: 1.6em; font-weight: 300; line-height: 1; }

/* Prinzipienleiste unter dem Hero */
.principles {
  display: grid;
  gap: var(--space-4) var(--space-6);
  border-block: 1px solid var(--border-subtle);
  padding-block: var(--space-5);
  font-size: var(--step-sm);
  color: var(--text-secondary);
}
@media (min-width: 720px) { .principles { grid-auto-flow: column; grid-auto-columns: 1fr; align-items: center; } }
.principles li { display: flex; align-items: baseline; gap: var(--space-3); }
.principles b {
  font-family: var(--font-mono);
  font-size: var(--step-2xs);
  font-weight: 400;
  color: var(--accent);
  flex: none;
}

/* -------------------------------------------------------------------------
   Leistungen — volle Bandbreite, Zeile für Zeile
   ------------------------------------------------------------------------- */
.services { border-top: 1px solid var(--border-subtle); }
.service {
  display: block;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
  color: inherit;
  text-decoration: none;
  transition: background-color var(--dur-ui) var(--ease);
}
.service:hover { background: var(--bg-accent-soft); }
.service:focus-visible { outline-offset: -3px; }

.service__inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas: "icon title go" "icon body body";
  gap: var(--space-3) var(--space-5);
  align-items: start;
  padding-block: var(--space-7);
}
@media (min-width: 900px) {
  .service__inner {
    grid-template-columns: 48px minmax(200px, .6fr) minmax(0, 1.2fr) 48px;
    grid-template-areas: "icon title body go";
    gap: var(--space-7);
    align-items: center;
  }
}
.service__icon {
  grid-area: icon;
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  color: var(--accent);
  transition: transform var(--dur-ui) var(--ease), background-color var(--dur-ui) var(--ease);
}
.service__icon svg { width: 24px; height: 24px; }
.service:hover .service__icon { transform: translateY(-3px); background: var(--accent-quiet); }
.service__title { grid-area: title; font-size: var(--step-h3); letter-spacing: -.03em; }
.service__body { grid-area: body; min-width: 0; }
.service__desc { color: var(--text-secondary); font-size: var(--step-sm); line-height: 1.62; max-width: 46ch; }
.service__tags { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.service__go {
  grid-area: go;
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border-default);
  color: var(--text-secondary);
  transition: background-color var(--dur-ui) var(--ease), color var(--dur-ui) var(--ease),
              border-color var(--dur-ui) var(--ease), transform var(--dur-ui) var(--ease);
}
.service__go svg { width: 18px; height: 18px; }
.service:hover .service__go { background: var(--accent-solid); border-color: transparent; color: #FFF; transform: translateX(4px); }

.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px var(--space-3);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  background: var(--bg-subtle);
  font-size: var(--step-2xs);
  color: var(--text-tertiary);
  white-space: nowrap;
}

/* -------------------------------------------------------------------------
   Hinweisblock und Faktenzeile
   ------------------------------------------------------------------------- */
.note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-5);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--bg-subtle);
  font-size: var(--step-sm);
  line-height: 1.6;
  color: var(--text-secondary);
}
.note svg { width: 20px; height: 20px; flex: none; margin-top: .1em; color: var(--accent); }

/* Faktenzeile */
.facts-line {
  display: grid;
  gap: var(--space-5);
  padding: var(--space-6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
}
@media (min-width: 700px) { .facts-line { grid-auto-flow: column; grid-auto-columns: 1fr; } }
.facts-line dt { font-family: var(--font-mono); font-size: var(--step-2xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--text-tertiary); }
.facts-line dd { margin-top: var(--space-2); font-size: var(--step-sm); font-weight: 560; color: var(--text-primary); }

/* -------------------------------------------------------------------------
   Prozess — Fortschritt an den Scroll gekoppelt
   ------------------------------------------------------------------------- */
.process__track {
  --progress: 0;
  position: relative;
  display: grid;
  gap: var(--space-8);
  padding-left: var(--space-6);
}
.process__track::before,
.process__track::after {
  content: "";
  position: absolute;
  left: 5px; top: 8px; bottom: 8px;
  width: 2px;
  border-radius: 2px;
}
.process__track::before { background: var(--border-default); }
.process__track::after {
  background: var(--accent);
  transform-origin: top;
  scale: 1 var(--progress);
  transition: scale 120ms linear;
}
@media (min-width: 900px) {
  .process__track { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-6); padding-left: 0; padding-top: var(--space-8); }
  .process__track::before, .process__track::after { inset: 7px 0 auto 0; width: auto; height: 2px; bottom: auto; }
  .process__track::after { transform-origin: left; scale: var(--progress) 1; }
}
.step { position: relative; padding-left: var(--space-7); }
@media (min-width: 900px) { .step { padding-left: 0; padding-top: var(--space-7); } }
.step__node {
  position: absolute;
  left: 0; top: 7px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--border-strong);
  transition: border-color var(--dur-ui) var(--ease), background-color var(--dur-ui) var(--ease);
}
@media (min-width: 900px) { .step__node { top: 1px; } }
.step.is-reached .step__node { border-color: var(--accent); background: var(--accent); }
.step h3 { font-size: var(--step-h4); }
.step p { margin-top: var(--space-3); font-size: var(--step-sm); color: var(--text-secondary); line-height: 1.6; }
.step__when {
  display: block;
  margin-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--step-2xs);
  letter-spacing: .05em;
  color: var(--text-tertiary);
}

/* -------------------------------------------------------------------------
   Studio
   ------------------------------------------------------------------------- */
.about { display: grid; gap: var(--space-9); align-items: start; }
@media (min-width: 960px) { .about { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: var(--space-10); } }

.studio-card {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  border: 1px solid var(--border-subtle);
  isolation: isolate;
}
.studio-card__label {
  position: absolute;
  top: var(--space-6); left: var(--space-6);
  font-family: var(--font-mono);
  font-size: var(--step-2xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.studio-card__signet {
  position: absolute;
  top: 10%; right: -4%;
  width: 46%;
  opacity: .12;
  rotate: -14deg;
  z-index: -1;
}
.studio-card figcaption { position: absolute; inset: auto var(--space-6) var(--space-7) var(--space-6); }
.studio-card figcaption strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.5rem);
  letter-spacing: -.045em;
  color: var(--text-primary);
}
.studio-card figcaption span { display: block; margin-top: var(--space-4); font-size: var(--step-lede); line-height: 1.5; color: var(--text-secondary); }
.studio-card__corner { position: absolute; top: var(--space-5); right: var(--space-6); font-size: 2rem; font-weight: 300; color: var(--accent); }

.about__quote {
  margin-top: var(--space-7);
  padding-left: var(--space-5);
  border-left: 2px solid var(--accent);
  font-family: var(--font-display);
  font-size: var(--step-h4);
  line-height: 1.45;
  letter-spacing: -.02em;
  color: var(--text-primary);
}
.about__list { display: grid; gap: var(--space-4); margin-top: var(--space-7); }
.about__list li { display: flex; align-items: flex-start; gap: var(--space-3); font-size: var(--step-sm); color: var(--text-secondary); }
.about__list svg { width: 18px; height: 18px; flex: none; margin-top: .25em; color: var(--accent); }

/* -------------------------------------------------------------------------
   Technik & Leistungsbausteine
   ------------------------------------------------------------------------- */
.tech, .deliverables { display: grid; gap: var(--space-7); }
@media (min-width: 760px) { .tech { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 760px) { .deliverables { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-8); } }

.tech__group h3, .deliverable h3 { font-size: var(--step-h4); }
.tech__group ul { margin-top: var(--space-4); display: grid; gap: var(--space-2); }
.tech__group li { font-size: var(--step-sm); color: var(--text-secondary); padding-left: var(--space-5); position: relative; }
.tech__group li::before { content: ""; position: absolute; left: 0; top: .72em; width: 10px; height: 1px; background: var(--accent); }
.deliverable p { margin-top: var(--space-3); font-size: var(--step-sm); color: var(--text-secondary); line-height: 1.62; }

/* -------------------------------------------------------------------------
   FAQ
   ------------------------------------------------------------------------- */
.faq { max-width: var(--measure); border-top: 1px solid var(--border-subtle); }
.qa { border-bottom: 1px solid var(--border-subtle); }
.qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  min-height: 64px;
  padding-block: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--step-h4);
  font-weight: 560;
  letter-spacing: -.018em;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--accent); }
.qa__sign { position: relative; width: 16px; height: 16px; flex: none; }
.qa__sign::before, .qa__sign::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto;
  height: 1.5px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur-ui) var(--ease);
}
.qa__sign::after { rotate: 90deg; }
.qa[open] .qa__sign::after { transform: scaleX(0); }
.qa__body { display: grid; grid-template-rows: 1fr; }
.qa__body > div { overflow: hidden; padding-bottom: var(--space-5); }
.qa__body p { font-size: var(--step-sm); line-height: 1.68; color: var(--text-secondary); max-width: 62ch; }

/* -------------------------------------------------------------------------
   Kontakt & Formular
   ------------------------------------------------------------------------- */
.contact-layout { display: grid; gap: var(--space-9); align-items: start; }
@media (min-width: 960px) { .contact-layout { grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: var(--space-10); } }

.contact-panel {
  padding: clamp(var(--space-5), 3vw, var(--space-8));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-subtle);
}

.contact-facts { display: grid; gap: var(--space-5); margin-top: var(--space-7); }
.contact-facts dt { font-family: var(--font-mono); font-size: var(--step-2xs); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--text-tertiary); }
.contact-facts dd { margin-top: var(--space-1); font-size: var(--step-body); color: var(--text-primary); overflow-wrap: anywhere; }

.form { display: grid; gap: var(--space-5); }
.form__row { display: grid; gap: var(--space-5); }
@media (min-width: 620px) { .form__row { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.field { display: grid; gap: var(--space-2); min-width: 0; }
.field label { font-size: var(--step-sm); font-weight: 560; color: var(--text-primary); }
.field__opt { font-weight: 400; color: var(--text-tertiary); }
.field input, .field select, .field textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text-primary);
  font-size: var(--step-sm);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.field textarea { min-height: 148px; resize: vertical; line-height: 1.6; }
.field input::placeholder, .field textarea::placeholder { color: var(--text-tertiary); }
.field :is(input, select, textarea):focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-halo);
}
.field__hint { font-size: var(--step-2xs); color: var(--text-tertiary); line-height: 1.5; }
.field__error {
  display: none;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--step-2xs);
  color: var(--danger);
}
.field__error svg { width: 15px; height: 15px; flex: none; }
.field.is-invalid .field__error { display: flex; }
.field.is-invalid :is(input, select, textarea) { border-color: var(--danger); }

.form-status {
  display: none;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-sm);
  font-size: var(--step-sm);
  line-height: 1.55;
}
.form-status.is-visible { display: flex; }
.form-status svg { width: 20px; height: 20px; flex: none; margin-top: .1em; }
.form-status[data-state="success"] { background: var(--success-soft); color: var(--success); }
.form-status[data-state="error"] { background: var(--danger-soft); color: var(--danger); }
.form-status strong { color: inherit; }

.form__foot { display: grid; gap: var(--space-4); align-items: start; }
@media (min-width: 620px) { .form__foot { grid-template-columns: auto minmax(0, 1fr); gap: var(--space-5); } }
.form__legal { font-size: var(--step-2xs); color: var(--text-tertiary); line-height: 1.55; }
.email-explainer {
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--step-2xs);
  line-height: 1.6;
  color: var(--text-tertiary);
}
.email-explainer a { overflow-wrap: anywhere; }

/* Honigtopf — für Menschen unsichtbar, für Bots verlockend */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* -------------------------------------------------------------------------
   Seitenkopf, Brotkrumen, Schlussband
   ------------------------------------------------------------------------- */
.page-head { padding-top: calc(var(--nav-h) + var(--space-9)); padding-bottom: var(--section-y-sm); }
@media (min-width: 960px) { .page-head { padding-top: calc(var(--nav-h) + var(--space-10)); } }
.page-head h1 { margin-top: var(--space-5); }
.page-head > .wrap > .t-lede { margin-top: var(--space-5); }

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--step-2xs);
  color: var(--text-tertiary);
}
.crumbs a { color: var(--text-tertiary); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.crumbs svg { width: 13px; height: 13px; opacity: .55; }
.crumbs [aria-current="page"] { color: var(--text-secondary); }

.cta-band__inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  padding: clamp(var(--space-6), 4vw, var(--space-9));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-tint);
}
@media (min-width: 900px) { .cta-band__inner { grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-8); } }
.cta-band__inner h2 { font-size: var(--step-h3); }
.cta-band__inner p { margin-top: var(--space-3); font-size: var(--step-sm); color: var(--text-secondary); max-width: 54ch; }

/* -------------------------------------------------------------------------
   404
   ------------------------------------------------------------------------- */
.err { min-height: 76svh; display: grid; align-items: center; padding-top: calc(var(--nav-h) + var(--space-9)); padding-bottom: var(--section-y-sm); }
.err__code { font-family: var(--font-mono); font-size: var(--step-2xs); letter-spacing: var(--tracking-wide); color: var(--accent); }
.err p:not(.err__code) { margin-top: var(--space-5); color: var(--text-secondary); max-width: 48ch; }
.err .cluster { margin-top: var(--space-8); }

/* -------------------------------------------------------------------------
   Footer
   ------------------------------------------------------------------------- */
.site-footer { background: var(--bg-subtle); border-top: 1px solid var(--border-subtle); padding-block: var(--section-y-sm) var(--space-8); }
.footer__top { display: grid; gap: var(--space-8); }
@media (min-width: 760px) { .footer__top { grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: var(--space-7); } }
.footer__brand p { margin-top: var(--space-4); font-size: var(--step-sm); color: var(--text-secondary); max-width: 34ch; }
.footer__brand .brand-logo { width: 172px; }
.footer__col h2 {
  font-family: var(--font-mono);
  font-size: var(--step-2xs);
  font-weight: 400;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.footer__col ul { margin-top: var(--space-3); display: grid; }
.footer__col a {
  display: inline-flex;
  align-items: center;
  min-height: var(--tap);
  font-size: var(--step-sm);
  color: var(--text-secondary);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.footer__col a:hover { color: var(--accent); }
.footer__col a[aria-current="page"] { color: var(--text-primary); font-weight: 560; }

.footer__bottom {
  margin-top: var(--space-9);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  justify-content: space-between;
  font-size: var(--step-2xs);
  color: var(--text-tertiary);
}
.footer__bottom a { color: inherit; text-decoration: none; }
.footer__bottom a:hover { color: var(--accent); }

/* -------------------------------------------------------------------------
   Designsystem-Seite
   ------------------------------------------------------------------------- */
.sg-swatches {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  margin: var(--space-5) 0 var(--space-8);
}
.sg-swatch { display: flex; align-items: center; gap: var(--space-4); }
.sg-swatch__chip {
  display: grid;
  place-items: center;
  width: 56px; height: 56px;
  flex: none;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-display);
  font-size: var(--step-sm);
  font-weight: 600;
}
.sg-swatch__meta { display: grid; font-size: var(--step-2xs); color: var(--text-secondary); min-width: 0; }
.sg-swatch__meta code { font-family: var(--font-mono); color: var(--text-primary); font-size: var(--step-2xs); }
.sg-swatch__meta span { color: var(--text-tertiary); }

.sg-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--space-5) 0 var(--space-8);
  font-size: var(--step-sm);
  text-align: left;
}
.sg-table caption {
  text-align: left;
  padding-bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--step-2xs);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--text-tertiary);
}
.sg-table th, .sg-table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--border-subtle); vertical-align: top; }
.sg-table th { font-weight: 400; width: 42%; }
.sg-table code { font-family: var(--font-mono); font-size: var(--step-2xs); color: var(--accent); }
.sg-table td { color: var(--text-secondary); font-family: var(--font-mono); font-size: var(--step-2xs); overflow-wrap: anywhere; }

.sg-specimen { display: grid; gap: var(--space-5); padding-block: var(--space-4) var(--space-8); }
.sg-specimen > * { margin: 0; }

.prose code, .t-lede code, .sg-table code {
  font-family: var(--font-mono);
  font-size: .92em;
  padding: 1px 5px;
  border-radius: var(--radius-xs);
  background: var(--bg-accent-soft);
  color: var(--accent);
}
address { font-style: normal; line-height: 1.7; }