/* ==========================================================================
   CWD Bausanierung & Recycling — layout ported from the PRO MUSIK system
   Palette swapped for CWD's own tokens (charcoal / steel / concrete),
   with a pale-yellow (#ffffcc) accent standing in for the amber accent.
   ========================================================================== */
:root {
  --bg: #1b1d1e;
  --bg-alt: #26292b;
  --bg-alt-2: #313538;
  --ink: #fafaf8;
  --ink-dim: #9aa6a0;
  --accent: #ffffcc;
  --accent-2: #7a8892;
  --line: rgba(250, 250, 248, 0.12);
  --line-strong: rgba(250, 250, 248, 0.22);
  --sidebar-bg: #4c2b20;

  --font-display: "Archivo Black", "Arial Black", sans-serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "Space Mono", "Courier New", monospace;

  --container: 1240px;
  --radius: 2px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 0.98;
}
p { margin: 0 0 1em; color: var(--ink-dim); }
button { font-family: inherit; }
::selection { background: var(--accent); color: var(--bg); }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

.wrap { max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.section { padding: 96px 0; border-bottom: 1px solid var(--line); }
.section-head {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 24px; margin-bottom: 56px; flex-wrap: wrap;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--accent); display: inline-block; }
h1 { font-size: clamp(40px, 6.6vw, 84px); }
h2 { font-size: clamp(30px, 4.4vw, 50px); }
h3 { font-size: clamp(20px, 2.4vw, 26px); }
.lede { font-size: 19px; color: var(--ink-dim); max-width: 46ch; }
.text-accent { color: var(--accent); }

/* ---------- Truss / dot divider ---------- */
.truss { display: flex; align-items: center; gap: 14px; width: 100%; overflow: hidden; height: 20px; }
.truss::before, .truss::after {
  content: ""; flex: 1; height: 1px;
  background: repeating-linear-gradient(90deg, var(--line-strong) 0, var(--line-strong) 4px, transparent 4px, transparent 14px);
}
.truss span {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 10px 2px rgba(255, 255, 204, 0.5); flex-shrink: 0;
}
.truss span:nth-child(3) { background: var(--accent-2); box-shadow: 0 0 10px 2px rgba(122, 136, 146, 0.45); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px; padding: 15px 28px;
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.08em;
  text-transform: uppercase; border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: transparent; color: var(--ink); cursor: pointer;
  transition: border-color .25s var(--ease), background .25s var(--ease), color .25s var(--ease), transform .25s var(--ease);
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent); transform: translateY(-2px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #0f130f; font-weight: 700; }
.btn-primary:hover { background: #e6e6a8; border-color: #e6e6a8; }
.btn-arrow::after { content: "→"; transition: transform .25s var(--ease); }
.btn-arrow:hover::after { transform: translateX(4px); }

/* ---------- Split-screen shell ---------- */
:root { --sidebar-w: clamp(300px, 27vw, 400px); }
html, body { height: 100%; }
body { overflow: hidden; }
.logo { font-family: var(--font-display); font-size: 21px; letter-spacing: .04em; display: flex; align-items: baseline; gap: 3px; }
.logo span { color: var(--accent); }

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 56px 36px 32px;
    z-index: 100;
    overflow: hidden;
}
.sidebar-top, .sidebar-footer { position: relative; z-index: 1; }
.sidebar-logo {
  font-family: var(--font-display); font-size: 19px; letter-spacing: .04em;
  display: inline-flex; align-items: baseline; gap: 8px; margin-bottom: 28px;
}
.sidebar-logo img { height: 26px; width: auto; }
.sidebar-logo span { color: var(--accent); }
.sidebar-tagline { font-size: 14px; color: var(--ink-dim); line-height: 1.7; max-width: 30ch; margin-bottom: 40px; }
.sidebar-nav ul { display: flex; flex-direction: column; gap: 2px; }
.sidebar-nav a {
  font-family: var(--font-display); font-weight: 400; font-size: clamp(17px, 1.75vw, 21px);
  text-transform: uppercase; letter-spacing: .01em; color: var(--ink-dim);
  display: inline-flex; align-items: center; gap: 12px; padding: 7px 0; line-height: 1.15;
  transition: color .25s var(--ease), gap .25s var(--ease);
}
.sidebar-nav a::before { content: ""; display: block; width: 0; height: 3px; background: var(--accent); flex-shrink: 0; transition: width .3s var(--ease); }
.sidebar-nav a:hover { color: var(--ink); gap: 18px; }
.sidebar-nav a:hover::before, .sidebar-nav a.is-active::before { width: 22px; }
.sidebar-nav a.is-active { color: var(--accent); }
.sidebar-cta { margin-top: 36px; }
.sidebar-footer { display: flex; flex-direction: column; gap: 16px; }
.sidebar-footer .truss { opacity: .8; }
.sidebar-copyright { font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-dim); }
.sidebar-phone { font-family: var(--font-mono); font-size: 13px; color: var(--ink); }
.sidebar-phone small { display: block; font-size: 10px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 4px; }

.content-panel { margin-left: var(--sidebar-w); height: 100vh; overflow-y: auto; overflow-x: hidden; -webkit-overflow-scrolling: touch; }

.mobile-nav { display: none; }
@media (max-width: 960px) {
  html, body { height: auto; overflow: visible; }
  .sidebar { display: none; }
  .content-panel { margin-left: 0; height: auto; overflow: visible; }
  .mobile-nav {
    display: block; position: sticky; top: 0; z-index: 200;
    background: var(--sidebar-bg); border-bottom: 1px solid var(--line);
  }
  .mobile-nav-bar { display: flex; align-items: center; justify-content: space-between; height: 72px; padding: 0 24px; }
  .mobile-logo { font-family: var(--font-display); font-size: 18px; letter-spacing: .04em; display: inline-flex; align-items: center; gap: 8px; }
  .mobile-logo img { height: 22px; }
  .hamburger { width: 36px; height: 36px; display: flex; flex-direction: column; justify-content: center; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
  .hamburger span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: transform .3s var(--ease), opacity .3s var(--ease); }
  .hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.is-open span:nth-child(2) { opacity: 0; }
  .hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .mobile-menu { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); background: var(--sidebar-bg); }
  .mobile-menu.is-open { max-height: calc(100vh - 72px); overflow-y: auto; -webkit-overflow-scrolling: touch; }
  .mobile-menu ul { list-style: none; padding: 8px 24px 4px; display: flex; flex-direction: column; gap: 2px; }
  .mobile-menu ul li a {
    display: block; font-family: var(--font-display); font-size: 19px; text-transform: uppercase;
    color: var(--ink-dim); text-decoration: none; padding: 12px 0; border-bottom: 1px solid var(--line); transition: color .2s var(--ease);
  }
  .mobile-menu ul li:last-child a { border-bottom: none; }
  .mobile-menu ul li a:hover { color: var(--ink); }
  .mobile-menu ul li a.is-active { color: var(--accent); }
  .mobile-menu .btn { margin: 16px 24px 24px; }
}

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; overflow: hidden; border-bottom: 1px solid var(--line); }
.header-media { position: absolute; inset: 0; z-index: 0; overflow: hidden; background: var(--bg-alt); }
.header-media img,
.header-media video {
  position: absolute; inset: 0;
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(35%) contrast(1.05) brightness(.7);
}
@media (prefers-reduced-motion: reduce) {
  .header-media video { display: none; }
}
.header-media-overlay {
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(27,29,30,.35) 0%, rgba(27,29,30,.18) 40%, var(--bg) 92%),
    linear-gradient(100deg, rgba(255,255,204,.06) 0%, transparent 35%);
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 2;
  background: radial-gradient(ellipse at 50% 100%, rgba(27,29,30,0) 0%, var(--bg) 78%); pointer-events: none;
}
.hero .wrap { position: relative; z-index: 3; padding-top: 60px; padding-bottom: 60px; }
.hero-kicker { font-family: var(--font-mono); font-size: 13px; letter-spacing: .2em; text-transform: uppercase; color: var(--accent-2); margin-bottom: 22px; display: block; }
.hero h1 { max-width: 17ch; }
.hero h1 em { font-style: normal; color: transparent; -webkit-text-stroke: 1.5px var(--ink); }
.hero-sub { margin-top: 28px; display: flex; gap: 48px; align-items: flex-end; flex-wrap: wrap; }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- Page header (inner pages) ---------- */
.page-header { position: relative; padding: 180px 0 80px; border-bottom: 1px solid var(--line); overflow: hidden; }
.page-header::after {
  content: ""; position: absolute; inset: 0; z-index: 1;
  background: radial-gradient(ellipse at 50% 100%, rgba(27,29,30,0) 0%, var(--bg) 85%); pointer-events: none;
}
.page-header .wrap { position: relative; z-index: 2; }


/* ---------- Stat strip ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat { padding: 32px; border-left: 1px solid var(--line); text-align: left; }
.stat:first-child { border-left: none; }
.stat-num { font-family: var(--font-display); font-size: clamp(24px, 3vw, 38px); color: var(--accent); display: block; line-height: 1; margin-bottom: 8px; }
.stat-label { font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-dim); }

/* ---------- Tag cloud ---------- */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: .04em; text-transform: uppercase;
  padding: 9px 16px; border: 1px solid var(--line-strong); border-radius: 999px; color: var(--ink-dim);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.tag:hover { border-color: var(--accent-2); color: var(--ink); }

/* ---------- Two column split ---------- */
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 80px; align-items: start; }
.split.split--rev { grid-template-columns: 1.1fr .9fr; }
.split.split--rev .split-media { order: 2; }
.split-media { position: relative; aspect-ratio: 4/5; overflow: hidden; background: var(--bg-alt); }
.split-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(35%) contrast(1.05); }
.split-media iframe { width: 100%; height: 100%; border: 0; filter: grayscale(35%) contrast(1.05); }
.split-media .frame-tag {
  position: absolute; bottom: 16px; left: 16px; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .08em; text-transform: uppercase; background: rgba(27,29,30,.75); padding: 6px 10px; color: var(--accent-2);
}

/* ---------- Show tiles (services) ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.show-tile {
  position: relative; background: var(--bg-alt); padding: 36px 32px; border: none; height: 100%;
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.show-tile:hover { transform: translateY(-6px); background: var(--bg-alt-2); }
.show-tile .cue {
  font-family: var(--font-mono); font-size: 12px; color: var(--ink-dim); letter-spacing: .06em; text-transform: uppercase;
  display: flex; justify-content: space-between; margin-bottom: 26px;
}
.show-tile .cue .status { color: var(--accent-2); }
.show-tile h3 { margin-bottom: 12px; }
.show-tile ul { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.show-tile li { font-size: 14px; color: var(--ink-dim); padding-left: 16px; position: relative; }
.show-tile li::before { content: ""; position: absolute; left: 0; top: 8px; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }

.card { background: var(--bg); padding: 40px; transition: background .25s var(--ease); }
.card:hover { background: var(--bg-alt); }
.card-index { font-family: var(--font-mono); font-size: 13px; color: var(--accent); margin-bottom: 24px; display: block; }
.card h3 { margin-bottom: 14px; }
.card p { margin-bottom: 0; }

/* ---------- Strengths (3 or 4 up) ---------- */
.strengths { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.strengths.cols-4 { grid-template-columns: repeat(2, 1fr); }
.strength-num { font-family: var(--font-display); font-size: 44px; color: var(--bg-alt-2); -webkit-text-stroke: 1px var(--line-strong); margin-bottom: 20px; display: block; }

/* ---------- Marquee ---------- */
.marquee { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 26px 0; overflow: hidden; white-space: nowrap; }
.marquee-track { display: inline-flex; gap: 56px; animation: marquee 32s linear infinite; }
.marquee span { font-family: var(--font-display); font-size: 20px; color: var(--ink-dim); text-transform: uppercase; letter-spacing: .02em; }
.marquee span.dot { color: var(--accent); }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Referenzen gallery (one flat gallery — no category filters) ---------- */
.ref-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.ref-item { border: 1px solid var(--line); background: var(--bg-alt); transition: opacity .3s var(--ease), transform .3s var(--ease); cursor: pointer; }
.ref-media { aspect-ratio: 16/10; overflow: hidden; }
.ref-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(30%); transition: transform .5s var(--ease), filter .3s var(--ease); }
.ref-item:hover .ref-media img { transform: scale(1.05); filter: grayscale(0%); }
.ref-body { padding: 18px 20px 22px; }
.ref-body h3 { font-size: 16px; margin-bottom: 0; text-transform: none; }

/* ---------- Lightbox (referenzen gallery) ---------- */
.ref-item { display: block; width: 100%; text-align: left; padding: 0; border: 1px solid var(--line); background: var(--bg-alt); font: inherit; color: inherit; }
.lightbox {
  position: fixed; inset: 0; z-index: 300; background: rgba(15, 16, 16, 0.96);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: opacity .3s var(--ease);
}
.lightbox.is-open { opacity: 1; visibility: visible; }
.lightbox-stage { position: relative; max-width: min(92vw, 1200px); max-height: 88vh; display: flex; flex-direction: column; align-items: center; }
.lightbox-img {
  max-width: 100%; max-height: 76vh; width: auto; height: auto; object-fit: contain;
  border: 1px solid var(--line-strong); background: var(--bg-alt);
  opacity: 0; transform: scale(.97); transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.lightbox-img.is-loaded { opacity: 1; transform: scale(1); }
.lightbox-caption { margin-top: 18px; font-family: var(--font-display); font-size: 16px; text-transform: uppercase; letter-spacing: .01em; color: var(--ink); text-align: center; }
.lightbox-count { margin-top: 6px; font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--ink-dim); }
.lightbox-close, .lightbox-nav {
  position: absolute; background: transparent; border: 1px solid var(--line-strong); color: var(--ink);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
  border-radius: 999px;
}
.lightbox-close:hover, .lightbox-nav:hover { border-color: var(--accent); color: var(--accent); }
.lightbox-close { top: 24px; right: 24px; width: 44px; height: 44px; font-size: 16px; z-index: 2; }
.lightbox-nav { top: 50%; transform: translateY(-50%); width: 52px; height: 52px; font-size: 26px; z-index: 2; }
.lightbox-prev { left: 24px; }
.lightbox-next { right: 24px; }
@media (max-width: 720px) {
  .lightbox-close { top: 14px; right: 14px; width: 38px; height: 38px; }
  .lightbox-nav { width: 42px; height: 42px; font-size: 20px; }
  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
  .lightbox-img { max-height: 62vh; }
}

/* ---------- CTA band ---------- */
.cta-band { background: var(--bg-alt); text-align: center; padding: 100px 0; }
.cta-band h2 { margin-bottom: 18px; }
.cta-band .price { font-family: var(--font-display); font-size: 30px; color: var(--accent); margin-bottom: 18px; }
.cta-band .lede { margin: 0 auto 36px; }
.cta-band .hero-actions { justify-content: center; }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.field { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.field.full { grid-column: 1 / -1; }
.field label { font-family: var(--font-mono); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-dim); }
.field input, .field select, .field textarea {
  background: var(--bg-alt); border: 1px solid var(--line-strong); color: var(--ink);
  padding: 14px 16px; font-family: var(--font-body); font-size: 15px; border-radius: var(--radius);
  transition: border-color .2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent-2); outline: none; }
.field textarea { resize: vertical; min-height: 140px; }
.field.has-error input, .field.has-error textarea { border-color: #b5654f; }
.field-error { display: none; font-family: var(--font-mono); font-size: 11px; color: #c98267; }
.field.has-error .field-error { display: block; }
.form-note { font-family: var(--font-mono); font-size: 12px; color: var(--ink-dim); margin-top: -6px; }
.form-status { margin-top: 18px; font-family: var(--font-mono); font-size: 13px; color: var(--accent-2); display: none; }
.form-status.is-visible { display: block; }
.form-status.is-error { color: #c98267; }
.consent { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 24px; font-size: 13px; color: var(--ink-dim); }
.consent a { color: var(--accent-2); }
.consent .field-error { width: 100%; margin-top: 2px; }
.consent.has-error .field-error { display: block; }
.consent.has-error input[type="checkbox"] { outline: 1px solid #b5654f; }

/* Honeypot — present in the DOM for bots that fill every field, invisible
   and unreachable for real visitors (incl. keyboard/screen-reader users). */
.hp-field { position: absolute; left: -9999px; top: -9999px; width: 1px; height: 1px; overflow: hidden; opacity: 0; }

.contact-info { display: grid; gap: 28px; }
.contact-info .item { padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.contact-info .label { font-family: var(--font-mono); font-size: 12px; color: var(--accent); text-transform: uppercase; letter-spacing: .08em; margin-bottom: 8px; display: block; }
.contact-info .value { font-family: var(--font-display); font-size: 20px; text-transform: none; }
.map-block { aspect-ratio: 16/9; background: var(--bg-alt); border: 1px solid var(--line); display: flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 12px; color: var(--ink-dim); text-transform: uppercase; letter-spacing: .08em; overflow: hidden; }
.map-block iframe { width: 100%; height: 100%; border: 0; filter: grayscale(60%) contrast(1.1) brightness(.9); }

/* ---------- Legal content (AGB / Datenschutzerklärung / Impressum) ---------- */
.legal-content { max-width: 760px; }
.legal-content h2 { font-size: clamp(22px, 2.6vw, 28px); margin: 56px 0 16px; padding-top: 32px; border-top: 1px solid var(--line); }
.legal-content h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.legal-content h3 { font-size: 16px; text-transform: uppercase; letter-spacing: .04em; margin: 28px 0 10px; color: var(--ink); }
.legal-content p { color: var(--ink-dim); line-height: 1.75; margin-bottom: 1em; }
.legal-content ul { margin: 0 0 1.2em; display: grid; gap: 8px; }
.legal-content li { position: relative; padding-left: 22px; color: var(--ink-dim); line-height: 1.65; }
.legal-content li::before { content: ""; position: absolute; left: 0; top: 11px; width: 12px; height: 1px; background: var(--accent); }
.legal-content a { color: var(--accent-2); }
.legal-content a:hover { color: var(--ink); }
.legal-content strong { color: var(--ink); font-weight: 600; }
.legal-content .legal-meta { font-family: var(--font-mono); font-size: 12px; color: var(--ink-dim); letter-spacing: .04em; margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line); }
.legal-content .legal-note { margin: 0 0 40px; padding: 18px 20px; background: var(--bg-alt); border: 1px solid var(--line-strong); border-radius: var(--radius); font-family: var(--font-mono); font-size: 12.5px; line-height: 1.6; color: var(--ink-dim); }
.legal-content .legal-note strong { display: block; color: var(--accent-2); text-transform: uppercase; letter-spacing: .06em; font-size: 11px; margin-bottom: 6px; }

/* ---------- Back to top ---------- */
.back-to-top {
  position: fixed; right: 28px; bottom: 28px; width: 48px; height: 48px; border-radius: 50%;
  background: var(--accent); color: #0f130f; display: flex; align-items: center; justify-content: center;
  font-size: 18px; border: none; cursor: pointer; opacity: 0; pointer-events: none; transform: translateY(12px);
  transition: opacity .3s var(--ease), transform .3s var(--ease); z-index: 90;
}
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Footer ---------- */
.site-footer { padding: 80px 0 32px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 56px; border-bottom: 1px solid var(--line); margin-bottom: 32px; }
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand .logo img { height: 28px; width: auto; display: block; }
.footer-col h4 { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-dim); margin-bottom: 18px; font-weight: 400; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col a { color: var(--ink-dim); font-size: 14px; transition: color .2s var(--ease); }
.footer-col a:hover { color: var(--accent-2); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-family: var(--font-mono); font-size: 12px; color: var(--ink-dim); }
.footer-bottom ul { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-bottom a:hover { color: var(--ink); }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .split { grid-template-columns: 1fr; gap: 48px; }
  .split.split--rev .split-media { order: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(3) { border-left: none; }
  .strengths.cols-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .strengths { grid-template-columns: 1fr; gap: 56px; }
  .strengths.cols-4 { grid-template-columns: 1fr; }
  .ref-grid { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 20px; }
  .section { padding: 64px 0; }
  .hero { min-height: auto; padding-top: 40px; }
  .page-header { padding: 140px 0 56px; }
  .stat-strip { grid-template-columns: 1fr; }
  .stat { border-left: none; border-top: 1px solid var(--line); }
  .stat:first-child { border-top: none; }
  .ref-grid { grid-template-columns: 1fr; }
}

/* ---------- Cookie consent ---------- */
body.cookie-consent-open { overflow: visible; }
.cookie-consent {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10000;
  display: flex; justify-content: center;
  padding: 20px; pointer-events: none;
  transform: translateY(24px); opacity: 0;
  transition: opacity .35s var(--ease), transform .35s var(--ease);
}
.cookie-consent.is-visible { pointer-events: auto; opacity: 1; transform: translateY(0); }
.cookie-consent-panel {
  width: 100%; max-width: 880px;
  background: var(--bg-alt); border: 1px solid var(--line-strong); border-radius: var(--radius);
  box-shadow: 0 12px 48px rgba(0,0,0,.45);
  padding: 28px 32px;
}
.cookie-consent-main { align-items: flex-end; gap: 32px; flex-wrap: wrap; }
.cookie-consent-main[hidden] { display: none; }
.cookie-consent-main:not([hidden]) { display: flex; }
.cookie-consent-text { flex: 1 1 380px; min-width: 260px; }
.cookie-consent-text .eyebrow { margin-bottom: 10px; }
.cookie-consent-text h3 { font-family: var(--font-display); font-size: 20px; letter-spacing: .01em; margin-bottom: 10px; }
.cookie-consent-text p { color: var(--ink-dim); font-size: 14px; line-height: 1.6; margin-bottom: 0; }
.cookie-consent-text p a { color: var(--accent-2); }
.cookie-consent-text p a:hover { color: var(--ink); }
.cookie-consent-actions { display: flex; gap: 12px; flex-wrap: wrap; flex-shrink: 0; }
.cookie-consent-actions .btn { padding: 12px 20px; font-size: 12px; white-space: nowrap; }
.cookie-consent-settings { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); gap: 20px; }
.cookie-consent-settings[hidden] { display: none; }
.cookie-consent-settings:not([hidden]) { display: grid; }
.cookie-consent-option-head { display: flex; align-items: flex-start; gap: 16px; }
.cookie-consent-option-head strong { display: block; font-size: 14px; letter-spacing: .02em; margin-bottom: 4px; color: var(--ink); }
.cookie-consent-option-head p { font-size: 13px; color: var(--ink-dim); margin-bottom: 0; line-height: 1.55; }
.cookie-consent-actions--settings { justify-content: flex-end; margin-top: 4px; }

.cookie-toggle { position: relative; display: inline-block; width: 42px; height: 24px; flex-shrink: 0; margin-top: 2px; }
.cookie-toggle input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.cookie-toggle-track {
  position: absolute; inset: 0; background: var(--bg-alt-2); border: 1px solid var(--line-strong);
  border-radius: 999px; transition: background .2s var(--ease), border-color .2s var(--ease);
}
.cookie-toggle-track::after {
  content: ""; position: absolute; top: 2px; left: 2px; width: 18px; height: 18px; border-radius: 50%;
  background: var(--ink-dim); transition: transform .2s var(--ease), background .2s var(--ease);
}
.cookie-toggle input:checked + .cookie-toggle-track { background: var(--accent); border-color: var(--accent); }
.cookie-toggle input:checked + .cookie-toggle-track::after { transform: translateX(18px); background: #0f130f; }
.cookie-toggle input:disabled + .cookie-toggle-track { opacity: .7; cursor: not-allowed; }
.cookie-toggle input:focus-visible + .cookie-toggle-track { outline: 2px solid var(--accent-2); outline-offset: 2px; }

/* Consent-gated embeds (e.g. OpenStreetMap on anfahrt.html) */
.split-media .consent-gate { position: absolute; inset: 0; width: 100%; height: 100%; }
.consent-gate { position: relative; }
.consent-gate iframe { position: relative; z-index: 1; }
.consent-gate-notice {
  position: absolute; inset: 0; z-index: 2; display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 14px; text-align: center; padding: 24px;
  background: var(--bg-alt); border: 1px solid var(--line-strong);
}
.consent-gate.is-unlocked .consent-gate-notice { display: none; }
.consent-gate-notice p { max-width: 40ch; font-size: 13px; color: var(--ink-dim); margin-bottom: 0; }

@media (max-width: 640px) {
  .cookie-consent { padding: 0; }
  .cookie-consent-panel { border-radius: 0; padding: 24px 20px; }
  .cookie-consent-main { align-items: stretch; }
  .cookie-consent-actions { flex-direction: column; }
  .cookie-consent-actions .btn { width: 100%; }
}