/* vipSanierung, Aachen — von Hand gebaut (Lead 453).
   Designrichtung: Baustelle, aber sortiert. Betongrauer Grund, ein Signalton,
   technische Grotesk, keine runden Ecken. */

@font-face { font-family: "Display"; src: url("display.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Body"; src: url("body.woff2") format("woff2"); font-weight: 300 800; font-display: swap; }

:root {
  color-scheme: dark;
  --bg: #15171b;
  --bg-2: #1c1f25;
  --bg-3: #23272e;
  --line: #2f343c;
  --ink: #f1f3f5;
  --muted: #a2a9b3;
  --signal: #ffc21a;
  --signal-dk: #e5a800;
  --on-signal: #15171b;
  --display: "Display", "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --sans: "Body", "Helvetica Neue", Arial, system-ui, sans-serif;
  --wrap: 1180px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body {
  background: var(--bg); color: var(--ink);
  font-family: var(--sans); font-size: 17px; line-height: 1.62;
  overflow-x: hidden; -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--signal); text-decoration: none; }
p { overflow-wrap: break-word; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* Bauzaun-Streifen: das eine wiederkehrende Signalelement, bewusst sparsam. */
.zaun { height: 7px; background-image: repeating-linear-gradient(135deg, var(--signal) 0 14px, #15171b 14px 28px); }

/* ── Demo-Banner ── */
.demo-banner {
  background: var(--signal); color: var(--on-signal);
  text-align: center; padding: 8px 16px;
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  position: relative; z-index: 40;
}

/* ── Kopf ── */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgba(21, 23, 27, 0.92); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 26px; padding-top: 14px; padding-bottom: 14px; }
.brand {
  font-family: var(--display); font-size: 20px; letter-spacing: 0.01em;
  color: var(--ink); line-height: 1; text-transform: none; white-space: nowrap;
}
.brand .b-vip { color: var(--signal); }
.main-nav { display: flex; gap: 24px; margin-left: auto; font-size: 14.5px; font-weight: 500; letter-spacing: 0.02em; }
.main-nav a { color: var(--muted); padding-bottom: 3px; border-bottom: 2px solid transparent; transition: color .18s, border-color .18s; }
.main-nav a:hover { color: var(--ink); border-bottom-color: var(--signal); }

/* ── Knöpfe: harte Kanten, Signalfläche ── */
.btn {
  display: inline-flex; align-items: center; gap: 10px; justify-content: center;
  padding: 15px 24px; font-family: var(--sans); font-size: 16px; font-weight: 700;
  letter-spacing: 0.01em; border: 2px solid transparent; cursor: pointer;
  transition: transform .16s ease, background .16s ease, color .16s ease;
}
.btn-signal { background: var(--signal); color: var(--on-signal); }
.btn-signal:hover { background: #ffd257; transform: translateY(-2px); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: transparent; }
.btn-ghost:hover { border-color: var(--signal); color: var(--signal); }
.btn-small { padding: 11px 18px; font-size: 15px; }
.ic { width: 1.05em; height: 1.05em; flex: none; }

/* ── Hero ── */
.hero { padding: 68px 0 0; position: relative; }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px; opacity: 0.35;
  -webkit-mask-image: radial-gradient(120% 80% at 12% 0%, #000 0%, transparent 68%);
  mask-image: radial-gradient(120% 80% at 12% 0%, #000 0%, transparent 68%);
}
.hero .wrap { position: relative; }
.hero-grid { display: grid; grid-template-columns: 1.08fr 0.92fr; gap: 54px; align-items: center; }
.kicker {
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--signal); margin-bottom: 20px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}
.kicker::before { content: ""; width: 34px; height: 3px; background: var(--signal); flex: none; }
h1 {
  font-family: var(--display); font-weight: 400;
  font-size: clamp(33px, 4.6vw, 52px); line-height: 1.02; letter-spacing: -0.012em;
  text-transform: uppercase; margin-bottom: 22px;
}
h1 .zeile2 { color: var(--signal); display: block; }
.hero-sub { color: var(--muted); font-size: 17.5px; max-width: 48ch; margin-bottom: 30px; }
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 26px; }
.hero-fakten { display: flex; gap: 10px; flex-wrap: wrap; }
.fakt {
  font-size: 13.5px; color: var(--muted); border: 1px solid var(--line);
  padding: 7px 12px; letter-spacing: 0.02em;
}
.fakt b { color: var(--ink); font-weight: 700; }
.fakt .stern { color: var(--signal); }

/* Bild mit technischer Ecken-Markierung */
.hero-bild { position: relative; }
.hero-bild img { width: 100%; height: 470px; object-fit: cover; filter: saturate(0.85) contrast(1.05); }
.hero-bild::after {
  content: ""; position: absolute; left: -14px; bottom: -14px; width: 96px; height: 96px;
  border-left: 4px solid var(--signal); border-bottom: 4px solid var(--signal);
}
.bild-tag {
  position: absolute; top: 0; right: 0; background: var(--bg); color: var(--muted);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; padding: 6px 10px;
  border-left: 1px solid var(--line); border-bottom: 1px solid var(--line);
}

/* Maßlinie: das typografische Signature-Element im Hero */
.masslinie { margin-top: 54px; padding-bottom: 30px; }
.mass-bar { display: flex; align-items: center; gap: 16px; }
.mass-bar .strich { flex: 1; height: 1px; background: var(--line); position: relative; }
.mass-bar .strich::before,
.mass-bar .strich::after { content: ""; position: absolute; top: -6px; width: 1px; height: 13px; background: var(--signal); }
.mass-bar .strich::before { left: 0; }
.mass-bar .strich::after { right: 0; }
.mass-text {
  font-family: var(--display); font-size: clamp(15px, 2vw, 21px); text-transform: uppercase;
  letter-spacing: 0.03em; white-space: nowrap;
}
.mass-text span { color: var(--signal); }

/* ── Abschnitte ── */
.sektion { padding: 84px 0; border-top: 1px solid var(--line); }
.sektion-kopf { display: grid; grid-template-columns: 190px 1fr; gap: 30px; margin-bottom: 46px; align-items: start; }
.sektion-label {
  font-size: 12px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; gap: 10px; padding-top: 10px;
}
.sektion-label::before { content: ""; width: 9px; height: 9px; background: var(--signal); flex: none; }
h2 {
  font-family: var(--display); font-weight: 400; text-transform: uppercase;
  font-size: clamp(26px, 3.6vw, 40px); line-height: 1.06; letter-spacing: -0.01em; margin-bottom: 14px;
}
.sektion-kopf p { color: var(--muted); max-width: 56ch; }

/* ── Leistungen als Leistungsverzeichnis ── */
.lv { border-top: 1px solid var(--line); }
.lv-zeile {
  display: grid; grid-template-columns: 64px 235px minmax(0, 1fr); gap: 20px; align-items: baseline;
  padding: 24px 0 24px 0; border-bottom: 1px solid var(--line);
  position: relative; transition: background .18s ease;
}
.lv-zeile::before {
  content: ""; position: absolute; left: -24px; top: 0; bottom: 0; width: 4px;
  background: var(--signal); transform: scaleY(0); transform-origin: top; transition: transform .22s ease;
}
.lv-zeile:hover::before { transform: scaleY(1); }
.lv-zeile:hover { background: rgba(255, 194, 26, 0.035); }
.lv-nr { font-family: var(--display); font-size: 24px; color: var(--signal); letter-spacing: 0.02em; }
.lv-titel { font-family: var(--display); font-size: 20px; text-transform: uppercase; letter-spacing: 0.01em; }
.lv-text { color: var(--muted); font-size: 16.5px; }

/* ── Ablauf: der Wow-Abschnitt ── */
.ablauf { background: var(--bg-2); border-top: 0; }
.ablauf-rail { position: relative; margin-top: 8px; }
.rail-linie {
  position: absolute; left: 0; right: 0; top: 27px; height: 2px; background: var(--line);
}
.rail-linie::after {
  content: ""; position: absolute; inset: 0; background: var(--signal);
  transform: scaleX(0); transform-origin: left; transition: transform 1.1s cubic-bezier(.2,.7,.2,1) .1s;
}
.ablauf-rail.an .rail-linie::after { transform: scaleX(1); }
.schritte { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; position: relative; }
.schritt { padding-top: 0; }
.knoten {
  width: 16px; height: 16px; background: var(--bg-2); border: 3px solid var(--line);
  margin: 20px 0 22px; position: relative; z-index: 2; transition: border-color .3s ease, background .3s ease;
}
.ablauf-rail.an .schritt:nth-child(1) .knoten { transition-delay: .15s; }
.ablauf-rail.an .schritt:nth-child(2) .knoten { transition-delay: .34s; }
.ablauf-rail.an .schritt:nth-child(3) .knoten { transition-delay: .53s; }
.ablauf-rail.an .schritt:nth-child(4) .knoten { transition-delay: .72s; }
.ablauf-rail.an .schritt:nth-child(5) .knoten { transition-delay: .91s; }
.ablauf-rail.an .knoten { border-color: var(--signal); background: var(--signal); }
.schritt-nr {
  font-family: var(--display); font-size: 46px; line-height: 1;
  color: rgba(255, 194, 26, 0.10); -webkit-text-stroke: 1.5px var(--signal);
  letter-spacing: 0.01em; margin-bottom: 8px;
}
.schritt h3 {
  font-family: var(--display); font-weight: 400; font-size: 17px; text-transform: uppercase;
  letter-spacing: 0.04em; margin-bottom: 9px;
}
.schritt p { color: var(--muted); font-size: 15.5px; line-height: 1.55; }
.ablauf-fuss {
  margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap;
}
.ablauf-fuss p { color: var(--muted); max-width: 52ch; font-size: 16px; }

/* ── Bilder ── */
.bilder { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.bild { position: relative; }
.bild img { width: 100%; height: 240px; object-fit: cover; filter: saturate(0.85) contrast(1.03); }
.bild figcaption {
  margin-top: 10px; font-size: 13px; color: var(--muted); letter-spacing: 0.02em;
  display: flex; align-items: center; gap: 8px;
}
.bild figcaption::before { content: ""; width: 7px; height: 7px; background: var(--signal); flex: none; }

/* ── Kontakt ── */
.kontakt-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 54px; align-items: start; }
.tel-gross {
  font-family: var(--display); font-size: clamp(30px, 5vw, 52px); line-height: 1;
  color: var(--ink); letter-spacing: -0.01em; display: inline-block; margin: 6px 0 18px;
  border-bottom: 4px solid var(--signal); padding-bottom: 6px;
}
.tel-gross:hover { color: var(--signal); }
.kontakt-liste { border-top: 1px solid var(--line); }
.kontakt-liste div {
  display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 15px 0;
  border-bottom: 1px solid var(--line); font-size: 16px; align-items: baseline;
}
.kontakt-liste dt, .kontakt-liste .k {
  font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--muted); font-weight: 700;
}
.kontakt-liste .v { overflow-wrap: anywhere; }
.kontakt-liste a { color: var(--ink); border-bottom: 1px solid var(--line); }
.kontakt-liste a:hover { color: var(--signal); border-bottom-color: var(--signal); }

/* ── Fuß ── */
.site-footer { border-top: 1px solid var(--line); padding: 30px 0 96px; background: var(--bg-2); }
.footer-row {
  display: flex; flex-wrap: wrap; gap: 12px 26px; justify-content: space-between;
  font-size: 13.5px; color: var(--muted);
}
.footer-row a { color: var(--muted); }
.footer-row a:hover { color: var(--signal); }
.made-by a { color: var(--muted); }

/* ── Sticky-Anruf (mobil) ── */
.sticky-call { display: none; }
@media (max-width: 760px) {
  .sticky-call {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 35;
    background: var(--signal); color: var(--on-signal);
    padding: 15px 16px; font-size: 16.5px; font-weight: 700; letter-spacing: 0.01em;
    box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.35);
  }
}

/* ── Reveal ── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.an { opacity: 1; transform: none; }
html:not(.js) .reveal { opacity: 1; transform: none; }

/* ── Rechtsseiten ── */
.rechts h1 { font-size: clamp(28px, 5vw, 42px); margin-bottom: 22px; }
.rechts h3 { font-family: var(--display); font-weight: 400; text-transform: uppercase; font-size: 17px; letter-spacing: 0.03em; }
.rechts p { color: var(--muted); margin-bottom: 14px; }
.rechts p strong { color: var(--ink); }
.rechts a { color: var(--signal); }

/* ── Mobil ── */
@media (max-width: 1000px) {
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-bild img { height: 330px; }
  .kontakt-grid { grid-template-columns: 1fr; gap: 34px; }
  .schritte { grid-template-columns: repeat(2, 1fr); gap: 30px 22px; }
  .rail-linie { display: none; }
  .bilder { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 860px) {
  .main-nav { display: none; }
  .sektion-kopf { grid-template-columns: 1fr; gap: 14px; }
  .sektion-label { padding-top: 0; }
  .lv-zeile { grid-template-columns: 44px 1fr; gap: 10px 16px; padding: 20px 0; }
  .lv-text { grid-column: 2; }
  .masslinie { margin-top: 38px; }
}
@media (max-width: 620px) {
  body { font-size: 16.5px; }
  .hero { padding-top: 44px; }
  .sektion { padding: 60px 0; }
  .schritte { grid-template-columns: 1fr; gap: 0; }
  .schritt {
    display: grid; grid-template-columns: 46px 1fr; gap: 0 16px;
    padding-bottom: 22px; position: relative;
  }
  .schritt::before {
    content: ""; position: absolute; left: 7px; top: 26px; bottom: -4px; width: 2px; background: var(--line);
  }
  .schritt:last-child::before { display: none; }
  .schritt .knoten { margin: 20px 0 0; grid-row: 1 / span 3; }
  .schritt-nr { font-size: 30px; margin-bottom: 4px; padding-top: 16px; }
  .bilder { grid-template-columns: 1fr; gap: 22px; }
  .bild img { height: 220px; }
  .cta-row .btn { width: 100%; }
  .hero-bild::after { width: 62px; height: 62px; left: -8px; bottom: -8px; }
  .mass-bar { flex-wrap: wrap; }
  .mass-text { white-space: normal; }
  .kontakt-liste div { grid-template-columns: 1fr; gap: 4px; }
  .site-footer { padding-bottom: 104px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  .rail-linie::after { transform: scaleX(1); }
  .knoten { border-color: var(--signal); background: var(--signal); }
}