/* ==========================================================================
   RAVENOQ Gebäudeservice – Stylesheet
   Aufbau: 1. Designsystem (Variablen)  2. Grundlagen  3. Bausteine
           4. Sektionen  5. Formular  6. Footer & mobile Leiste  7. Unterseiten
   Farben/Abstände ändern Sie zentral im Block :root.
   ========================================================================== */

/* Layout-Idee: ruhige Navy-Flächen im Wechsel mit hellem Nebelgrau,
   klare Raster, feine Linien – präzise wie ein Objektplan. */
:root {
  /* Farben */
  --navy-950: #0B1424;   /* Hauptfläche dunkel */
  --navy-900: #111D33;   /* Karten auf Navy */
  --navy-700: #2A3D5E;   /* Linien auf Navy */
  --black:    #08090B;   /* Footer */
  --white:    #FFFFFF;
  --mist:     #F3F5F8;   /* helle Sektionen */
  --grey-200: #DCE1E8;   /* Linien hell */
  --grey-600: #5B6575;   /* Sekundärtext hell */
  --silver:   #A8B3C3;   /* Sekundärtext auf Navy */
  --ink:      #0B1424;   /* Text auf hell */

  /* Schrift */
  --font-display: "Inter Display", "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  /* Größen (mobil → Desktop fließend) */
  --fs-h1: clamp(2.25rem, 1.6rem + 2.9vw, 3.75rem);
  --fs-h2: clamp(1.75rem, 1.4rem + 1.5vw, 2.625rem);
  --fs-h3: clamp(1.125rem, 1.08rem + .2vw, 1.25rem);
  --fs-body: clamp(1.0625rem, 1.04rem + .1vw, 1.125rem);
  --fs-small: .9375rem;
  --fs-label: .8125rem;

  /* Abstände (8er-Raster) */
  --space-1: .5rem; --space-2: 1rem; --space-3: 1.5rem; --space-4: 2rem;
  --space-5: 3rem;  --space-6: 4rem; --space-7: 5rem;
  --section-y: clamp(4.5rem, 3rem + 6vw, 7.5rem);
  --gutter: clamp(1.25rem, .9rem + 1.5vw, 2rem);
  --container: 75rem;

  --radius: 4px;
  --radius-card: 6px;
  --header-h: 4rem;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
@media (min-width: 960px) { :root { --header-h: 4.75rem; } }

/* ---------- Schriften (lokal, kein Google-Server) ---------- */
@font-face { font-family: "Inter"; src: url("../fonts/Inter-Regular.woff") format("woff"); font-weight: 400; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/Inter-Medium.woff") format("woff"); font-weight: 500; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/Inter-SemiBold.woff") format("woff"); font-weight: 600; font-style: normal; font-display: swap; }
@font-face { font-family: "Inter Display"; src: url("../fonts/InterDisplay-SemiBold.woff") format("woff"); font-weight: 600; font-style: normal; font-display: swap; }

/* ==========================================================================
   2. Grundlagen
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); color-scheme: light; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.6;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
figure { margin: 0; }
address { font-style: normal; }
h1, h2, h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -.02em;
  text-wrap: balance;
}
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: 1.3; letter-spacing: -.01em; }

:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; border-radius: 2px; }

.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter)); margin-inline: auto; padding-inline: var(--gutter); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 1rem; top: -4rem; z-index: 100; padding: .75rem 1rem; background: var(--white); color: var(--ink); border-radius: var(--radius); }
.skip-link:focus { top: 1rem; }
[hidden] { display: none !important; }

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

/* ==========================================================================
   3. Bausteine
   ========================================================================== */
.eyebrow {
  display: block;
  margin-bottom: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--fs-label);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--grey-600);
}
.eyebrow--light { color: var(--silver); }

.icon { width: 1.5rem; height: 1.5rem; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.icon--sm { width: 1.125rem; height: 1.125rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .625rem;
  min-height: 3.25rem; padding: .75rem 1.5rem;
  font: 600 1rem/1.2 var(--font-body); letter-spacing: .005em;
  text-decoration: none; text-align: center;
  border: 1px solid transparent; border-radius: var(--radius);
  cursor: pointer; white-space: nowrap;
  transition: background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn--sm { min-height: 2.75rem; padding: .5rem 1.125rem; font-size: .9375rem; }
.btn--block { width: 100%; }
.btn--light { background: var(--white); color: var(--navy-950); }
.btn--light:hover { background: var(--mist); }
.btn--dark { background: var(--navy-950); color: var(--white); }
.btn--dark:hover { background: #1A2A44; }
.btn--ghost-light { background: transparent; color: var(--white); border-color: rgba(255,255,255,.35); }
.btn--ghost-light:hover { border-color: var(--white); }

/* Abschnittsköpfe */
.section { padding-block: var(--section-y); background: var(--white); }
.section--light { background: var(--mist); }
.section--navy { background: var(--navy-950); color: var(--white); }
.section-head { max-width: 46rem; margin-bottom: var(--space-6); }
.section-head__lead { margin-top: var(--space-3); color: var(--grey-600); max-width: 40rem; }

.cta-line {
  display: flex; flex-direction: column; align-items: flex-start; gap: var(--space-3);
  margin-top: var(--space-6); padding-top: var(--space-4);
  border-top: 1px solid var(--grey-200);
}
.cta-line p { font-weight: 500; max-width: 34rem; }
.cta-line .btn { flex: none; }
.cta-line--dark { border-top-color: var(--navy-700); }
@media (min-width: 720px) {
  .cta-line { flex-direction: row; align-items: center; justify-content: space-between; }
}

/* ==========================================================================
   4. Sektionen
   ========================================================================== */

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--navy-950); color: var(--white);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); height: var(--header-h); }
.brand { display: block; flex: none; padding-block: .25rem; }
.brand img { width: auto; height: 2.5rem; }
@media (min-width: 960px) { .brand img { height: 2.875rem; } }

.nav, .site-header__actions { display: none; }
.nav__list { display: flex; gap: var(--space-4); }
.nav a, .header-phone {
  font-size: .9375rem; font-weight: 500; text-decoration: none; color: var(--silver);
  transition: color .2s var(--ease);
}
.nav a:hover, .header-phone:hover { color: var(--white); }
.site-header__actions { align-items: center; gap: var(--space-3); }
.header-phone { font-variant-numeric: tabular-nums; color: var(--white); }

.menu-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 3rem; height: 3rem; margin-right: -.75rem;
  background: none; border: 0; color: var(--white); cursor: pointer;
}
.menu-toggle__bars, .menu-toggle__bars::before, .menu-toggle__bars::after {
  display: block; width: 1.375rem; height: 1.5px; background: currentColor;
  transition: transform .25s var(--ease), opacity .2s;
}
.menu-toggle__bars { position: relative; }
.menu-toggle__bars::before, .menu-toggle__bars::after { content: ""; position: absolute; left: 0; }
.menu-toggle__bars::before { top: -6px; }
.menu-toggle__bars::after { top: 6px; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  position: fixed; inset: var(--header-h) 0 0 0; z-index: 49;
  display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-5);
  padding: var(--space-4) var(--gutter) calc(var(--space-4) + env(safe-area-inset-bottom, 0px));
  background: var(--navy-950); overflow-y: auto;
}
.mobile-menu__list li { border-bottom: 1px solid var(--navy-700); }
.mobile-menu__list a {
  display: block; padding-block: 1rem;
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; letter-spacing: -.01em;
  text-decoration: none; color: var(--white);
}
.mobile-menu__actions { display: grid; gap: .75rem; }

@media (min-width: 960px) {
  .nav, .site-header__actions { display: flex; }
  .menu-toggle, .mobile-menu { display: none !important; }
}
body.menu-open { overflow: hidden; }

/* ---------- Hero ---------- */
.hero { display: grid; background: var(--navy-950); color: var(--white); }
.hero__text { padding: var(--space-6) var(--gutter) var(--space-5); }
.hero__text-inner { max-width: 36rem; }
.hero__title { font-size: var(--fs-h1); line-height: 1.04; letter-spacing: -.025em; }
.hero__title .eyebrow { margin-bottom: var(--space-3); letter-spacing: .12em; }
.hero__lead { margin-top: var(--space-3); color: #D5DBE4; max-width: 34rem; }
.hero__actions { display: flex; flex-direction: column; gap: .75rem; margin-top: var(--space-4); }
.hero__actions .btn { width: 100%; }
.facts { display: grid; gap: .5rem; margin-top: var(--space-4); padding-top: var(--space-3); border-top: 1px solid var(--navy-700); }
.facts li { position: relative; padding-left: 1.5rem; font-size: var(--fs-small); color: var(--silver); }
.facts li::before {
  content: ""; position: absolute; left: 0; top: .5em; width: .75rem; height: .375rem;
  border-left: 1.5px solid var(--white); border-bottom: 1.5px solid var(--white); transform: rotate(-45deg);
}
.hero__media img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; }

@media (min-width: 560px) {
  .hero__actions { flex-direction: row; flex-wrap: wrap; }
  .hero__actions .btn { width: auto; }
}
@media (min-width: 960px) {
  .hero { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); min-height: min(46rem, calc(100vh - var(--header-h))); }
  .hero__text { display: flex; align-items: center; padding: var(--space-7) clamp(2rem, 5vw, 5rem) var(--space-7) max(var(--gutter), calc((100vw - var(--container)) / 2)); }
  .hero__text-inner { width: 100%; max-width: 38rem; }
  .hero__media { position: relative; }
  .hero__media picture, .hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; aspect-ratio: auto; }
  .hero__media img { object-position: 40% 50%; }
}

/* ---------- Für wen ---------- */
.audience { background: var(--navy-900); color: var(--white); padding-block: var(--space-5); }
.audience__inner { display: grid; gap: var(--space-3); }
.audience__title { font-size: 1.125rem; line-height: 1.35; letter-spacing: -.005em; color: var(--white); max-width: 22rem; }
.audience__list { display: flex; flex-wrap: wrap; gap: .5rem; }
.audience__list li {
  padding: .5rem .875rem; font-size: var(--fs-small); color: var(--white);
  border: 1px solid var(--navy-700); border-radius: var(--radius);
}
.audience__note { font-size: var(--fs-small); color: var(--silver); }
@media (min-width: 960px) {
  .audience__inner { grid-template-columns: 16rem minmax(0, 1fr); column-gap: var(--space-6); align-items: start; }
  .audience__note { grid-column: 2; }
}

/* ---------- Leistungen ---------- */
.section-head--split { display: grid; gap: var(--space-5); max-width: none; align-items: end; }
.section-head__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: var(--radius-card); }
.section-head__media figcaption { margin-top: .625rem; font-size: var(--fs-label); color: var(--grey-600); }
@media (min-width: 960px) {
  .section-head--split { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); column-gap: var(--space-7); }
}

.services { display: grid; gap: 1px; background: var(--grey-200); border: 1px solid var(--grey-200); border-radius: var(--radius-card); overflow: hidden; }
.service { display: grid; align-content: start; gap: .75rem; padding: var(--space-4) var(--space-3); background: var(--white); }
.service .icon { width: 1.75rem; height: 1.75rem; color: var(--navy-950); margin-bottom: var(--space-1); }
.service p { font-size: var(--fs-small); color: var(--grey-600); }
@media (min-width: 640px) { .services { grid-template-columns: repeat(2, minmax(0, 1fr)); } .service { padding: var(--space-4); } }
@media (min-width: 1040px) { .services { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* ---------- Warum RAVENOQ ---------- */
.why { display: grid; gap: var(--space-6); }
.why__media { position: relative; }
.why__photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radius-card); }
.proof {
  position: relative; margin: -4rem var(--space-2) 0 auto; max-width: 20rem;
  padding: var(--space-3); background: var(--white); color: var(--ink);
  border-radius: var(--radius-card); box-shadow: 0 18px 40px rgba(0, 0, 0, .28);
}
.proof__label { font-size: .75rem; font-weight: 500; letter-spacing: .1em; text-transform: uppercase; color: var(--grey-600); }
.proof__title { margin-top: .25rem; font-family: var(--font-display); font-weight: 600; font-size: 1.125rem; }
.proof__list { display: grid; gap: .5rem; margin-top: var(--space-2); padding-top: var(--space-2); border-top: 1px solid var(--grey-200); }
.proof__list li { position: relative; padding-left: 1.75rem; font-size: .875rem; line-height: 1.4; }
.proof__list li::before {
  content: ""; position: absolute; left: 0; top: .05rem; width: 1.125rem; height: 1.125rem;
  border-radius: 3px; background: var(--navy-950);
}
.proof__list li::after {
  content: ""; position: absolute; left: .34rem; top: .3rem; width: .45rem; height: .25rem;
  border-left: 1.5px solid var(--white); border-bottom: 1.5px solid var(--white); transform: rotate(-45deg);
}
.proof__meta { margin-top: var(--space-2); font-size: .8125rem; color: var(--grey-600); }

.why__content h2 { max-width: 30rem; }
.reasons { display: grid; gap: 0; margin-top: var(--space-5); border-top: 1px solid var(--navy-700); }
.reasons li { display: grid; gap: .375rem; padding-block: var(--space-3); border-bottom: 1px solid var(--navy-700); }
.reasons p { font-size: var(--fs-small); color: var(--silver); max-width: 34rem; }
@media (min-width: 720px) {
  .reasons { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-5); }
}
@media (min-width: 960px) {
  .why { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); column-gap: var(--space-7); align-items: start; }
  .why__media { position: sticky; top: calc(var(--header-h) + 2rem); }
  .proof { margin: -6rem -2rem 0 auto; }
}

/* ---------- Ablauf ---------- */
.steps { display: grid; gap: var(--space-4); counter-reset: none; }
.step { display: grid; gap: .625rem; padding-top: var(--space-3); border-top: 2px solid var(--navy-950); }
.step__no { font-family: var(--font-display); font-size: .9375rem; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--grey-600); }
.step p { font-size: var(--fs-small); color: var(--grey-600); }
@media (min-width: 640px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: var(--space-4); row-gap: var(--space-5); } }
@media (min-width: 1040px) { .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); } }

/* ---------- Einsatzgebiet ---------- */
.area { display: grid; gap: var(--space-5); align-items: center; }
.area__text p:not(.eyebrow) { margin-top: var(--space-2); color: var(--grey-600); max-width: 34rem; }
.area__text h2 + p { margin-top: var(--space-3); }
.area__text .area__note { margin-top: var(--space-3); padding-top: var(--space-2); border-top: 1px solid var(--grey-200); color: var(--ink); font-weight: 500; }
.area__map { background: var(--white); border: 1px solid var(--grey-200); border-radius: var(--radius-card); padding: var(--space-2); }
.area__map svg { width: 100%; height: auto; }
.map__grid path { stroke: var(--mist); stroke-width: 1; fill: none; }
.map__river { fill: none; stroke: var(--grey-200); stroke-width: 10; stroke-linecap: round; }
.map__water { font: italic 400 15px var(--font-body); fill: var(--grey-600); }
.map__place circle { fill: var(--navy-950); }
.map__place text { font: 500 17px var(--font-body); fill: var(--ink); }
.map__place--home text { font: 600 21px var(--font-display); }
.map__place--home .map__ring { fill: none; stroke: var(--navy-950); stroke-width: 1.5; }
@media (min-width: 960px) { .area { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); column-gap: var(--space-7); } }

/* ---------- Häufige Fragen ---------- */
.faq { display: grid; gap: var(--space-4); }
.faq .section-head { margin-bottom: 0; }
.faq__list { border-top: 1px solid var(--grey-200); }
.faq details { border-bottom: 1px solid var(--grey-200); }
.faq summary {
  position: relative; display: block; cursor: pointer; list-style: none;
  padding: 1.25rem 2.5rem 1.25rem 0;
  font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 600; line-height: 1.35;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before, .faq summary::after {
  content: ""; position: absolute; right: .25rem; top: 50%; width: .875rem; height: 1.5px; background: var(--ink);
  transition: transform .2s var(--ease);
}
.faq summary::after { transform: rotate(90deg); }
.faq details[open] summary::after { transform: rotate(0); }
.faq details p { padding-bottom: 1.25rem; max-width: 42rem; color: var(--grey-600); }
@media (min-width: 960px) { .faq { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); column-gap: var(--space-7); align-items: start; } }

/* ---------- Abschluss-CTA ---------- */
.closing { display: grid; background: var(--navy-950); color: var(--white); }
.closing__text { padding: var(--space-6) var(--gutter); }
.closing__inner { max-width: 36rem; }
.closing h2 { font-size: var(--fs-h2); }
.closing p { margin-top: var(--space-3); color: #D5DBE4; }
.closing__media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
@media (min-width: 960px) {
  .closing { grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); }
  .closing__text { display: flex; align-items: center; padding: var(--space-7) clamp(2rem, 5vw, 5rem) var(--space-7) max(var(--gutter), calc((100vw - var(--container)) / 2)); }
  .closing__inner { width: 100%; max-width: 38rem; }
  .closing__media { position: relative; }
  .closing__media picture, .closing__media img { position: absolute; inset: 0; width: 100%; height: 100%; aspect-ratio: auto; }
}

/* ==========================================================================
   5. Kontakt & Formular
   ========================================================================== */
.contact { display: grid; gap: var(--space-5); }
.contact__intro > p:not(.eyebrow) { margin-top: var(--space-3); color: var(--grey-600); max-width: 30rem; }
.contact-card { display: grid; gap: .75rem; margin-top: var(--space-4); padding-top: var(--space-3); border-top: 1px solid var(--grey-200); }
.contact-card__company { font-family: var(--font-display); font-weight: 600; font-size: 1.125rem; }
.contact-card__person span { font-size: var(--fs-small); color: var(--grey-600); }
.contact-card__row { display: flex; flex-wrap: wrap; gap: .25rem 1rem; }
.contact-card__row span { width: 4.5rem; font-size: var(--fs-small); color: var(--grey-600); }
.contact-card__row a { font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--grey-200); font-variant-numeric: tabular-nums; }
.contact-card__row a:hover { border-bottom-color: var(--ink); }

.form { background: var(--white); border: 1px solid var(--grey-200); border-radius: var(--radius-card); padding: var(--space-4) var(--space-3); }
.form__grid { display: grid; gap: var(--space-3) var(--space-3); }
.field { display: grid; gap: .5rem; min-width: 0; margin: 0; padding: 0; border: 0; }
.field label, .field legend { font-size: var(--fs-small); font-weight: 500; padding: 0; }
.req { color: var(--ink); }
.opt { margin-left: .25rem; font-weight: 400; color: var(--grey-600); font-size: .8125rem; }
.field input, .field select, .field textarea {
  width: 100%; min-height: 3.25rem; padding: .75rem .875rem;
  font: 400 1rem/1.4 var(--font-body); color: var(--ink);
  background: var(--white); border: 1px solid #C7CEDA; border-radius: var(--radius);
  transition: border-color .15s var(--ease), box-shadow .15s var(--ease);
  appearance: none; -webkit-appearance: none;
}
.field select {
  padding-right: 2.5rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230B1424' stroke-width='1.6'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .75rem center; background-size: 1.125rem;
}
.field textarea { min-height: 7rem; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--navy-950); box-shadow: 0 0 0 3px rgba(11,20,36,.12); }
.field input::placeholder, .field textarea::placeholder { color: #8A93A2; }
.field.is-invalid input, .field.is-invalid select { border-color: #B42318; }
.field__error { font-size: .8125rem; color: #B42318; }
.form__hint { font-size: .8125rem; color: var(--grey-600); margin-top: -.75rem; }
.form__hint.is-invalid { color: #B42318; }

.choices { gap: .5rem; }
.choices legend { margin-bottom: .5rem; }
.choice { display: flex; align-items: center; gap: .75rem; min-height: 2.75rem; padding: .5rem .75rem; border: 1px solid var(--grey-200); border-radius: var(--radius); cursor: pointer; font-size: var(--fs-small); }
.choice input { width: 1.125rem; height: 1.125rem; min-height: 0; margin: 0; padding: 0; flex: none; accent-color: var(--navy-950); appearance: auto; -webkit-appearance: checkbox; }
.choice:has(input:checked) { border-color: var(--navy-950); background: var(--mist); }

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

.form__footer { display: grid; gap: var(--space-2); margin-top: var(--space-4); }
.btn--submit { width: 100%; }
.form__privacy { font-size: .8125rem; color: var(--grey-600); }
.form__privacy a { color: var(--ink); }
.form__status { margin-top: var(--space-3); padding: var(--space-2) var(--space-3); border-radius: var(--radius); font-size: var(--fs-small); background: var(--mist); border-left: 3px solid var(--navy-950); }
.form__status.is-error { border-left-color: #B42318; }
.btn[disabled] { opacity: .6; cursor: progress; }

@media (min-width: 640px) {
  .form { padding: var(--space-5) var(--space-4); }
  .form__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .field--full { grid-column: 1 / -1; }
  .choices { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .choices legend { grid-column: 1 / -1; }
  .form__footer { grid-template-columns: auto minmax(0, 1fr); align-items: center; column-gap: var(--space-3); }
  .btn--submit { width: auto; }
}
@media (min-width: 960px) { .contact { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); column-gap: var(--space-7); align-items: start; } }

/* ==========================================================================
   6. Footer & mobile Kontaktleiste
   ========================================================================== */
.site-footer { background: var(--black); color: var(--silver); padding-block: var(--space-6) calc(var(--space-6) + 4.5rem); font-size: var(--fs-small); }
.site-footer__inner { display: grid; gap: var(--space-4); }
.site-footer__brand img { width: auto; height: 3rem; margin-bottom: var(--space-2); }
.site-footer a { color: var(--white); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; text-underline-offset: 3px; }
.site-footer__contact, .site-footer__legal { display: grid; gap: .5rem; align-content: start; }
.site-footer__copy { font-size: .8125rem; }
@media (min-width: 960px) {
  .site-footer { padding-bottom: var(--space-6); }
  .site-footer__inner { grid-template-columns: 1.5fr 1fr 1fr; }
  .site-footer__copy { grid-column: 1 / -1; padding-top: var(--space-3); border-top: 1px solid #1C2433; }
}

.action-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: .5rem;
  padding: .625rem var(--gutter) calc(.625rem + env(safe-area-inset-bottom, 0px));
  background: var(--navy-950); border-top: 1px solid rgba(255,255,255,.1);
  transform: translateY(110%); transition: transform .3s var(--ease);
}
.action-bar .btn { min-height: 3rem; padding-inline: .75rem; font-size: .9375rem; }
.action-bar.is-visible { transform: translateY(0); }
@media (min-width: 960px) { .action-bar { display: none; } }

/* ==========================================================================
   7. Unterseiten (Impressum, Datenschutz, Danke)
   ========================================================================== */
.page { padding-block: var(--section-y); background: var(--white); }
.page .container { max-width: calc(46rem + 2 * var(--gutter)); }
.page h1 { font-size: var(--fs-h2); margin-bottom: var(--space-4); }
.page h2 { font-size: 1.25rem; margin-top: var(--space-5); margin-bottom: var(--space-2); letter-spacing: -.01em; }
.page p, .page li { color: #2B3442; }
.page p + p { margin-top: var(--space-2); }
.page ul { list-style: disc; padding-left: 1.25rem; margin-top: var(--space-2); display: grid; gap: .375rem; }
.page a { color: var(--ink); }
.page .back { display: inline-block; margin-top: var(--space-5); font-weight: 500; }
.todo { background: #FFF4CC; padding: 0 .25rem; border-radius: 2px; }
.site-footer--page { padding-bottom: var(--space-6); }
.choices .field__error { grid-column: 1 / -1; }
.choices.is-invalid .choice { border-color: #E4B4AF; }