/* ============================================================
   MK Bau – styles.css
   ------------------------------------------------------------
   Aufbau:
   1.  Design-Tokens (:root)      – zentrale Anpassung des Designs
   2.  Reset & Basis
   3.  Hilfsklassen
   4.  Buttons
   5.  Header & Navigation
   6.  Hero
   7.  Sections & Grids
   8.  Karten, Leistungen, Vorteile
   9.  Ablauf / Steps
   10. Referenzen & Einsatzgebiet
   11. Formular
   12. Footer & Nach-oben-Button
   13. Rechtstext-Seiten & 404
   14. Responsive
   15. Reduzierte Bewegung / Druck
   ------------------------------------------------------------
   ANPASSUNG DES CORPORATE DESIGNS:
   Sämtliche Farben, Abstände, Radien und Schriftgrößen sind als
   CSS-Variablen im Abschnitt :root definiert. Für die spätere
   Anpassung an Logo und Unternehmensfarben genügt es in der Regel,
   dort --color-brand, --color-accent und --font-sans zu ändern.
   ============================================================ */

/* ------------------------------------------------------------
   1. DESIGN-TOKENS
   ------------------------------------------------------------ */
:root {
  /* --- Markenfarben (später an das Logo anpassen) --- */
  --color-brand:            #1d2b33;  /* Dunkelton aus dem MK-Bau-Logo */
  --color-brand-dark:       #131e24;
  --color-brand-light:      #2f4552;
  --color-accent:           #256c8c;  /* Stahlblau – Akzent, passend zum Logo */
  --color-accent-dark:      #1b5670;

  /* --- Neutrale Farben --- */
  --color-text:             #1a1f24;
  --color-text-muted:       #545f6b;
  --color-text-invert:      #ffffff;
  --color-bg:               #ffffff;
  --color-bg-muted:         #f4f6f8;
  --color-bg-subtle:        #eceff3;
  --color-border:           #d9dee4;
  --color-border-strong:    #b9c1cb;

  /* --- Zustände --- */
  --color-focus:            #1f6feb;
  --color-error:            #9b1c1c;
  --color-error-bg:         #fdf2f2;

  /* --- Typografie: lokale Systemschriften, keine externen Fonts --- */
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
               Arial, "Noto Sans", sans-serif;

  --fs-xs:    0.8125rem;   /* 13px */
  --fs-sm:    0.9375rem;   /* 15px */
  --fs-base:  1.0625rem;   /* 17px */
  --fs-md:    1.1875rem;   /* 19px */
  --fs-lg:    1.375rem;    /* 22px */
  --fs-xl:    1.75rem;     /* 28px */
  --fs-2xl:   2.125rem;    /* 34px */
  --fs-3xl:   2.75rem;     /* 44px */

  --lh-tight: 1.2;
  --lh-base:  1.65;

  --fw-normal: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;

  /* --- Abstände --- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 2.75rem;
  --space-8: 4rem;
  --space-9: 5.5rem;

  /* --- Layout --- */
  --container-max: 1200px;
  --container-pad: 1.25rem;
  --header-height: 76px;

  /* --- Formen --- */
  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(19, 30, 36, .06), 0 1px 3px rgba(19, 30, 36, .05);
  --shadow:    0 2px 6px rgba(19, 30, 36, .06), 0 8px 24px rgba(19, 30, 36, .06);
  --shadow-lg: 0 10px 40px rgba(19, 30, 36, .12);

  --transition: 160ms ease;
}

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

html {
  scroll-behavior: smooth;
  /* Freiraum, damit Anker nicht unter dem fixierten Header verschwinden */
  scroll-padding-top: calc(var(--header-height) + 12px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--color-text);
  background: var(--color-bg);
  overflow-wrap: break-word;
}

/* Scroll-Sperre bei geöffnetem Mobilmenü */
body.is-nav-open { overflow: hidden; }

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

h1, h2, h3, h4 {
  margin: 0 0 var(--space-3);
  line-height: var(--lh-tight);
  font-weight: var(--fw-bold);
  letter-spacing: -0.01em;
  color: var(--color-brand);
}

h1 { font-size: var(--fs-3xl); }
h2 { font-size: var(--fs-2xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }

p { margin: 0 0 var(--space-4); }
ul, ol { margin: 0 0 var(--space-4); padding-left: 1.25rem; }
li { margin-bottom: var(--space-2); }

a {
  color: var(--color-brand-light);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition);
}
a:hover { color: var(--color-accent-dark); }

/* Sichtbarer, kontrastreicher Fokus für Tastaturbedienung */
:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

address { font-style: normal; }

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

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* Skip-Link: erscheint erst bei Tastaturfokus */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  z-index: 200;
  padding: var(--space-3) var(--space-5);
  background: var(--color-brand);
  color: var(--color-text-invert);
  text-decoration: none;
  border-radius: var(--radius);
  transition: top var(--transition);
}
.skip-link:focus { top: var(--space-4); color: var(--color-text-invert); }

.eyebrow {
  margin: 0 0 var(--space-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-accent-dark);
}

.link-strong { font-weight: var(--fw-semibold); white-space: nowrap; }

/* Platzhalter-Kennzeichnung – vor Veröffentlichung ersetzen */
.ph {
  display: inline-block;
  padding: 0 .3em;
  border-radius: var(--radius-sm);
  background: #fff4d6;
  border: 1px dashed #d8a92e;
  font-size: .95em;
  color: #6b4c00;
}

/* Optionale Leistungen: zusätzlich zur Farbe auch textlich gekennzeichnet */
.opt {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-style: italic;
}

.note {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

.emergency {
  margin: 0 0 var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-bg-muted);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius);
  font-size: var(--fs-sm);
}
.emergency a { font-weight: var(--fw-bold); white-space: nowrap; }

.section-note {
  max-width: 62ch;
  margin: var(--space-5) auto 0;
  text-align: center;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}
.section-note--left { margin-inline: 0; text-align: left; }

.subhead {
  margin-top: var(--space-8);
  font-size: var(--fs-xl);
}

/* ------------------------------------------------------------
   4. BUTTONS
   ------------------------------------------------------------ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  /* min-height sorgt für ausreichend große Klickflächen */
  min-height: 48px;
  padding: var(--space-3) var(--space-6);
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  font-family: inherit;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background-color var(--transition), border-color var(--transition),
              color var(--transition), transform var(--transition);
}

.btn--primary {
  background: var(--color-brand);
  border-color: var(--color-brand);
  color: var(--color-text-invert);
}
.btn--primary:hover {
  background: var(--color-brand-dark);
  border-color: var(--color-brand-dark);
  color: var(--color-text-invert);
}

.btn--accent {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}
.btn--accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #ffffff;
}

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

.btn--sm { min-height: 42px; padding: var(--space-2) var(--space-4); font-size: var(--fs-sm); }
.btn--block { width: 100%; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
.cta-row--center { justify-content: center; }

/* Auf dunklem Hintergrund */
.section--dark .btn--ghost {
  border-color: rgba(255,255,255,.45);
  color: #ffffff;
}
.section--dark .btn--ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: #ffffff;
  color: #ffffff;
}

/* ------------------------------------------------------------
   5. HEADER & NAVIGATION
   ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: saturate(160%) blur(6px);
}
.site-header.is-scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  min-height: var(--header-height);
}

/* --- Logo / Wortmarke --- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-brand);
  flex: 0 0 auto;
}
.brand__logo {
  /* Seitenverhältnis bleibt erhalten, Höhe ist begrenzt.
     Funktioniert sowohl mit dem quadratischen Siegel als auch
     mit einer späteren breiten Logo-Variante. */
  height: auto;
  max-height: 54px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  flex: 0 0 auto;
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; min-width: 0; }
.brand__name {
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  letter-spacing: .01em;
}
.brand__claim {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  font-weight: var(--fw-medium);
}

/* --- Menü-Button (nur mobil sichtbar) --- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  margin-left: auto;
  min-height: 46px;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  font: inherit;
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--color-brand);
  cursor: pointer;
}
.nav-toggle__bars {
  position: relative;
  display: block;
  width: 20px; height: 2px;
  background: currentColor;
  transition: background-color var(--transition);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px; height: 2px;
  background: currentColor;
  transition: transform var(--transition), top var(--transition);
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after  { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after  { top: 0; transform: rotate(-45deg); }

/* --- Navigation (Desktop) --- */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-left: auto;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-4);
  margin: 0; padding: 0;
  list-style: none;
}
.nav-list li { margin: 0; }
.nav-list a {
  display: inline-block;
  padding: var(--space-2) 0;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.nav-list a:hover { color: var(--color-brand); border-bottom-color: var(--color-border-strong); }

/* Aktiver Navigationspunkt: Farbe + Unterstrich + fette Schrift
   (Information nicht ausschließlich über Farbe transportiert) */
.nav-list a.is-active {
  color: var(--color-brand);
  font-weight: var(--fw-bold);
  border-bottom-color: var(--color-accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav-phone {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
  text-decoration: none;
  color: var(--color-brand);
}
.nav-phone__label {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}
.nav-phone__number {
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  white-space: nowrap;
}

.nav-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(19, 30, 36, .5);
}

/* ------------------------------------------------------------
   6. HERO
   ------------------------------------------------------------ */
.hero {
  padding: var(--space-8) 0 var(--space-9);
  background:
    linear-gradient(180deg, var(--color-bg-muted) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-border);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: var(--space-8);
  align-items: center;
}

.hero__lead {
  max-width: 60ch;
  font-size: var(--fs-md);
  color: var(--color-text-muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.hero__trust {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2) var(--space-5);
  margin: 0 0 var(--space-5);
  padding: 0;
  list-style: none;
}
.hero__trust li {
  position: relative;
  padding-left: 1.75rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}
.hero__trust li::before {
  content: "";
  position: absolute;
  left: 0; top: .45em;
  width: 12px; height: 7px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}

.hero__contactline {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
}

/* --- Bildplatzhalter (reservierte Fläche gegen Layout-Shifts) --- */
.media-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: var(--space-5);
  aspect-ratio: 4 / 3;
  background:
    repeating-linear-gradient(
      45deg,
      var(--color-bg-subtle) 0 12px,
      var(--color-bg-muted) 12px 24px
    );
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  text-align: center;
}
.media-placeholder[data-ratio="16/9"] { aspect-ratio: 16 / 9; }
.media-placeholder--sm { border-radius: var(--radius); }
.media-placeholder__label {
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  max-width: 32ch;
}

/* ------------------------------------------------------------
   7. SECTIONS & GRIDS
   ------------------------------------------------------------ */
.section { padding: var(--space-9) 0; }
.section--muted { background: var(--color-bg-muted); }

.section--dark {
  background: var(--color-brand);
  color: rgba(255,255,255,.9);
}
.section--dark h2,
.section--dark h3 { color: #ffffff; }
.section--dark .eyebrow { color: #8fc4dc; }
.section--dark .section-head__lead { color: rgba(255,255,255,.82); }

.section-head { max-width: 70ch; margin-bottom: var(--space-7); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head__lead {
  font-size: var(--fs-md);
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.grid { display: grid; gap: var(--space-6); }

.grid--split { grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); align-items: start; gap: var(--space-8); }
.grid--split-reverse > *:first-child { order: 2; }
.grid--split-reverse > *:last-child  { order: 1; }

.grid--cards      { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid--benefits   { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); padding: 0; list-style: none; }
.grid--equip      { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); padding: 0; list-style: none; }
.grid--advantages { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); padding: 0; list-style: none; }
.grid--contact    { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); align-items: start; }

.prose { max-width: 68ch; }
.prose h2 { margin-bottom: var(--space-4); }

/* ------------------------------------------------------------
   8. KARTEN, LEISTUNGEN, VORTEILE
   ------------------------------------------------------------ */
.card {
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.card__title { font-size: var(--fs-md); }

/* --- Leistungskarten --- */
.service { display: flex; flex-direction: column; }
.service h3 { margin-bottom: var(--space-2); }
.service > p { color: var(--color-text-muted); font-size: var(--fs-sm); }
.service ul {
  margin: auto 0 0;
  padding-left: 1.1rem;
  font-size: var(--fs-sm);
}
.service li { margin-bottom: var(--space-1); }
.service li::marker { color: var(--color-accent); }

.service__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px; height: 52px;
  margin-bottom: var(--space-4);
  border-radius: var(--radius);
  background: var(--color-bg-subtle);
  color: var(--color-brand);
}

/* --- Vorteile für Hausverwaltungen (dunkler Bereich) --- */
.benefit {
  margin: 0;
  padding: var(--space-5);
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: var(--radius);
}
.benefit h3 { font-size: var(--fs-base); margin-bottom: var(--space-2); }
.benefit p  { margin: 0; font-size: var(--fs-sm); color: rgba(255,255,255,.8); }

/* --- Ausstattung --- */
.equip {
  margin: 0;
  padding: var(--space-5);
  background: var(--color-bg-muted);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius);
}
.equip h3 { font-size: var(--fs-base); margin-bottom: var(--space-2); }
.equip p  { margin: 0; font-size: var(--fs-sm); color: var(--color-text-muted); }

/* --- Vorteilsbereich --- */
.advantage {
  margin: 0;
  padding: var(--space-5);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.advantage h3 { font-size: var(--fs-base); margin-bottom: var(--space-2); }
.advantage p  { margin: 0; font-size: var(--fs-sm); color: var(--color-text-muted); }

/* --- Kurzprofil --- */
.facts { position: sticky; top: calc(var(--header-height) + 16px); }
.facts__list { margin: 0; }
.facts__row {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}
.facts__row:last-child { border-bottom: 0; }
.facts__list dt { font-size: var(--fs-sm); color: var(--color-text-muted); }
.facts__list dd { margin: 0; font-size: var(--fs-sm); font-weight: var(--fw-medium); }

.facts__kpi {
  margin-top: var(--space-5);
  padding: var(--space-4);
  background: var(--color-bg-muted);
  border-radius: var(--radius);
}
.facts__kpi-list { margin: 0; padding: 0; list-style: none; font-size: var(--fs-sm); }
.facts__kpi-list li {
  position: relative;
  margin-bottom: var(--space-2);
  padding-left: 1.5rem;
}
.facts__kpi-list li:last-child { margin-bottom: 0; }
.facts__kpi-list li::before {
  content: "";
  position: absolute;
  left: 0; top: .45em;
  width: 11px; height: 6px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}

/* ------------------------------------------------------------
   9. ABLAUF / STEPS
   ------------------------------------------------------------ */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-5);
  margin: 0; padding: 0;
  list-style: none;
  counter-reset: step;
}
.step {
  position: relative;
  margin: 0;
  padding: var(--space-6);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  margin-bottom: var(--space-3);
  border-radius: 50%;
  background: var(--color-brand);
  color: var(--color-text-invert);
  font-weight: var(--fw-bold);
}
.step h3 { font-size: var(--fs-base); margin-bottom: var(--space-2); }
.step p  { margin: 0; font-size: var(--fs-sm); color: var(--color-text-muted); }

/* Kompakte Variante im Fließtext */
.steps--compact {
  display: block;
  margin: 0 0 var(--space-4);
  padding-left: 1.25rem;
  list-style: decimal;
}
.steps--compact li { font-size: var(--fs-sm); margin-bottom: var(--space-2); }

/* ------------------------------------------------------------
   10. REFERENZEN & EINSATZGEBIET
   ------------------------------------------------------------ */
.logo-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
  margin: 0; padding: 0;
  list-style: none;
}
.logo-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  min-height: 90px;
  padding: var(--space-4);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-weight: var(--fw-semibold);
  color: var(--color-text-muted);
  text-align: center;
}

.project h4 { margin: var(--space-4) 0 var(--space-3); font-size: var(--fs-base); }
.project__meta { margin: 0; font-size: var(--fs-sm); }
.project__meta > div {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr);
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-border);
}
.project__meta > div:last-child { border-bottom: 0; }
.project__meta dt { color: var(--color-text-muted); }
.project__meta dd { margin: 0; }

.region-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0 0 var(--space-5);
  padding: 0;
  list-style: none;
}
.region-list li {
  margin: 0;
  padding: var(--space-2) var(--space-4);
  background: var(--color-bg-muted);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
}

.map-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: var(--space-6);
  min-height: 340px;
  background:
    radial-gradient(circle at 30% 35%, rgba(37,108,140,.16) 0 18%, transparent 19%),
    radial-gradient(circle at 62% 55%, rgba(29,43,51,.14) 0 14%, transparent 15%),
    var(--color-bg-muted);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  text-align: center;
}
.map-placeholder__title { margin: 0 0 var(--space-2); font-size: var(--fs-lg); font-weight: var(--fw-bold); color: var(--color-brand); }
.map-placeholder__text  { margin: 0 0 var(--space-3); font-weight: var(--fw-medium); }
.map-placeholder__hint  { margin: 0; font-size: var(--fs-xs); color: var(--color-text-muted); max-width: 34ch; }

/* ------------------------------------------------------------
   11. FORMULAR
   ------------------------------------------------------------ */
.contact-card address p { font-size: var(--fs-sm); }
.contact-card__actions { display: grid; gap: var(--space-3); margin: var(--space-5) 0; }

.form { margin: 0; }
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
}

.field { margin-bottom: var(--space-4); }
.field label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3);
  font: inherit;
  font-size: var(--fs-sm);
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.field textarea { min-height: 130px; resize: vertical; }

.field input:hover, .field select:hover, .field textarea:hover { border-color: var(--color-brand-light); }

/* Fehlerzustand: Rahmen + Symbol + Text (nicht nur Farbe) */
.field input[aria-invalid="true"],
.field select[aria-invalid="true"],
.field textarea[aria-invalid="true"] {
  border-color: var(--color-error);
  background: var(--color-error-bg);
}
.field__error {
  margin: var(--space-2) 0 0;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--color-error);
}
.field__error::before { content: "⚠ "; }

.req { color: var(--color-error); }

.field--fieldset {
  margin: 0 0 var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}
.field--fieldset legend {
  padding: 0 var(--space-2);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
}
.field--fieldset .field:last-child { margin-bottom: 0; }

.field--check {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
}
.field--check input[type="checkbox"] {
  width: 22px; height: 22px;
  margin-top: 2px;
  accent-color: var(--color-brand);
}
.field--check label { margin: 0; font-weight: var(--fw-normal); font-size: var(--fs-sm); }
.field--check .field__error { grid-column: 1 / -1; }

/* Honeypot: für Menschen und Screenreader ausgeblendet */
.honeypot {
  position: absolute !important;
  left: -9999px;
  width: 1px; height: 1px;
  overflow: hidden;
}

.form-note { font-size: var(--fs-xs); color: var(--color-text-muted); }

.form-status:not(:empty) {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius);
  background: var(--color-error-bg);
  border: 1px solid var(--color-error);
  color: var(--color-error);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
}

.form-disclaimer {
  margin: var(--space-4) 0 0;
  padding: var(--space-4);
  background: var(--color-bg-muted);
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

/* ------------------------------------------------------------
   12. FOOTER & NACH-OBEN-BUTTON
   ------------------------------------------------------------ */
.site-footer {
  padding: var(--space-8) 0 var(--space-5);
  background: var(--color-brand-dark);
  color: rgba(255,255,255,.78);
  font-size: var(--fs-sm);
}
.site-footer a { color: #ffffff; text-decoration: underline; }
.site-footer a:hover { color: #8fc4dc; }

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: var(--space-6);
  padding-bottom: var(--space-6);
}
.footer-logo {
  width: 72px;
  height: auto;
  margin-bottom: var(--space-4);
  opacity: .95;
}
.footer-brand {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-lg);
  font-weight: var(--fw-bold);
  color: #ffffff;
}
.footer-head {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-base);
  font-weight: var(--fw-semibold);
  color: #ffffff;
}
.footer-desc { margin: 0; }
.footer-address { line-height: 1.9; }
.footer-nav { margin: 0; padding: 0; list-style: none; }
.footer-nav li { margin-bottom: var(--space-2); }

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255,255,255,.16);
}
.footer-legal, .footer-copy { margin: 0; font-size: var(--fs-xs); }
.footer-legal a { margin-right: var(--space-2); }

.to-top {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: 80;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px; height: 48px;
  background: var(--color-brand);
  color: #ffffff;
  border: 0;
  border-radius: 50%;
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: background-color var(--transition);
}
.to-top:hover { background: var(--color-brand-dark); }

/* ------------------------------------------------------------
   13. RECHTSTEXT-SEITEN & 404
   ------------------------------------------------------------ */
.legal-page { padding: var(--space-8) 0 var(--space-9); }
.legal-page .prose { max-width: 75ch; }
.legal-page h2 { margin-top: var(--space-7); font-size: var(--fs-xl); }
.legal-page h3 { margin-top: var(--space-5); font-size: var(--fs-md); }

.legal-hint {
  margin: 0 0 var(--space-6);
  padding: var(--space-4) var(--space-5);
  background: #fff8e6;
  border: 1px solid #d8a92e;
  border-left-width: 4px;
  border-radius: var(--radius);
  font-size: var(--fs-sm);
  color: #5c4200;
}

.error-page {
  display: grid;
  place-items: center;
  min-height: 60vh;
  padding: var(--space-9) 0;
  text-align: center;
}
.error-code {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  color: var(--color-accent);
  letter-spacing: .05em;
}

/* ------------------------------------------------------------
   13b. STRUKTURELLE HILFS-CONTAINER
   ------------------------------------------------------------ */
.hero__content { min-width: 0; }
.hero__media   { width: 100%; }
.form-card     { min-width: 0; }
.footer-col    { min-width: 0; }
.contact-address a { color: var(--color-brand-light); }
.map-placeholder__inner { max-width: 40ch; }
.nav-toggle__label { line-height: 1; }

/* ------------------------------------------------------------
   14. RESPONSIVE
   ------------------------------------------------------------ */
@media (max-width: 1080px) {
  .nav-list { gap: var(--space-1) var(--space-3); }
  .nav-list a { font-size: var(--fs-xs); }
  .nav-phone { display: none; }
}

@media (max-width: 960px) {
  :root { --fs-3xl: 2.25rem; --fs-2xl: 1.85rem; }

  .hero__inner,
  .grid--split,
  .grid--contact { grid-template-columns: minmax(0, 1fr); }

  .grid--split-reverse > *:first-child,
  .grid--split-reverse > *:last-child { order: initial; }

  .facts { position: static; }

  /* --- Mobiles Menü --- */
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    top: 0; right: 0;
    z-index: 95;
    display: block;
    width: min(360px, 88vw);
    height: 100dvh;
    margin: 0;
    padding: calc(var(--header-height) + var(--space-4)) var(--space-5) var(--space-6);
    background: var(--color-bg);
    border-left: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 200ms ease;
  }
  .site-nav.is-open { transform: translateX(0); }

  .nav-list { flex-direction: column; gap: 0; }
  .nav-list li { border-bottom: 1px solid var(--color-border); }
  .nav-list a {
    display: block;
    padding: var(--space-4) 0;
    font-size: var(--fs-base);
    border-bottom: 0;
  }
  .nav-list a.is-active { border-left: 3px solid var(--color-accent); padding-left: var(--space-3); }

  .nav-actions {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
    margin-top: var(--space-5);
  }
  .nav-phone { display: flex; }
  .nav-actions .btn { width: 100%; }

  /* Ausnahme: Navigation ohne Mobilmenü (z. B. 404-Seite) bleibt im Fluss */
  .site-nav--static {
    position: static;
    width: auto;
    height: auto;
    padding: 0;
    background: none;
    border: 0;
    box-shadow: none;
    transform: none;
    overflow: visible;
    margin-left: auto;
  }
  .site-nav--static .nav-actions { flex-direction: row; margin-top: 0; }
  .site-nav--static .nav-actions .btn { width: auto; }
}

@media (max-width: 640px) {
  :root {
    --fs-3xl: 1.95rem;
    --fs-2xl: 1.6rem;
    --fs-xl:  1.375rem;
    --space-9: 3.5rem;
    --space-8: 2.5rem;
  }

  .hero { padding-top: var(--space-6); }
  .hero__trust { grid-template-columns: minmax(0, 1fr); }
  .hero__actions .btn { width: 100%; }

  .card, .step { padding: var(--space-5); }

  .facts__row,
  .project__meta > div { grid-template-columns: minmax(0, 1fr); gap: var(--space-1); }

  .footer-bottom { justify-content: flex-start; }
  .to-top { right: var(--space-4); bottom: var(--space-4); }
}

/* ------------------------------------------------------------
   15. REDUZIERTE BEWEGUNG / DRUCK
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
}

@media print {
  .site-header, .site-nav, .nav-toggle, .to-top, .nav-backdrop { display: none !important; }
  body { font-size: 11pt; color: #000; }
  .section { padding: 1rem 0; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: 9pt; }
}