@font-face {
  font-family: "Instrument Sans";
  src: url("/fonts/instrument-sans.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/ibm-plex-mono-400.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "IBM Plex Mono";
  src: url("/fonts/ibm-plex-mono-500.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}

:root {
  --putz: #eef0eb;
  --plan: #ffffff;
  --graphit: #171a1d;
  --zink: #5c656d;
  --schnur: #1e5790;
  --minium: #c44732;
  --libelle: #2f7a52;
  --line: #d5d9d2;
  --font: "Instrument Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --w: 72rem;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  color: var(--graphit);
  background: var(--putz);
  letter-spacing: -0.015em;
  line-height: 1.45;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--schnur); text-underline-offset: 0.18em; }
a:hover { color: var(--graphit); }
::selection { background: var(--schnur); color: #fff; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--graphit);
  color: var(--putz);
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { top: 12px; }

.top {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--line);
  background: var(--putz);
  position: sticky;
  top: 0;
  z-index: 10;
}
.mark {
  display: block;
  line-height: 0;
  color: var(--graphit);
  text-decoration: none;
}
.mark .lockup {
  display: block;
  height: 3.6rem;
  width: auto;
}
.top nav {
  margin-left: auto;
  display: flex;
  gap: 22px;
  align-items: center;
}
.top nav a {
  color: var(--graphit);
  text-decoration: none;
  font-weight: 500;
}
.top nav a[aria-current="page"] {
  box-shadow: inset 0 -2px 0 var(--schnur);
}
.top nav a.nav-mail {
  color: var(--schnur);
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0;
}
#nav, .nav-btn { display: none; }

.hero {
  padding: 72px 28px 28px;
  max-width: var(--w);
  margin: 0 auto;
}
.hero h1 {
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 0.95;
  letter-spacing: -0.055em;
  font-weight: 600;
  margin: 0 0 28px;
  max-width: 16ch;
}
.schnur {
  height: 2px;
  background: var(--schnur);
  margin: 0;
  border: 0;
}
.hero-lead {
  max-width: 40rem;
  margin: 28px auto 0;
  padding: 0 28px 48px;
  font-size: 1.25rem;
  line-height: 1.4;
  letter-spacing: -0.03em;
}
.hero-lead p { margin: 0 0 22px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  background: var(--schnur);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  padding: 12px 16px;
  border-radius: 2px;
  border: 1px solid var(--schnur);
}
.btn:hover { background: var(--graphit); border-color: var(--graphit); color: var(--putz); }
.btn.ghost {
  background: transparent;
  color: var(--graphit);
  border-color: var(--graphit);
}
.btn.ghost:hover { background: var(--graphit); color: var(--putz); }

.band {
  max-width: var(--w);
  margin: 0 auto;
  padding: 56px 28px;
}
.band h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.04em;
  margin: 0 0 8px;
  font-weight: 600;
}
.band .lede {
  color: var(--zink);
  margin: 0 0 28px;
  max-width: 46rem;
}

.kette {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 2px solid var(--schnur);
  margin-top: 8px;
}
.kette article {
  padding: 16px 16px 8px 0;
  border-right: 1px solid var(--line);
}
.kette article:last-child { border-right: 0; }
.kette b { display: block; font-size: 1.1rem; letter-spacing: -0.03em; }
.kette p { margin: 6px 0 0; color: var(--zink); font-size: 0.95rem; }
.kette .dim {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--schnur);
  letter-spacing: 0;
  margin-top: 18px;
}

.spec {
  width: 100%;
  border-collapse: collapse;
  background: var(--plan);
  border: 1px solid var(--line);
}
.spec th, .spec td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.spec th {
  width: 11rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.spec td { color: var(--zink); }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: 0; }
.spec a { font-weight: 500; }

.faq details {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer;
  font-weight: 600;
  letter-spacing: -0.03em;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq details p {
  margin: 10px 0 4px;
  color: var(--zink);
  max-width: 46rem;
}

.prose { max-width: 42rem; }
.prose h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.045em;
  line-height: 1.05;
  margin: 0 0 12px;
}
.prose h2 {
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  margin: 2.2rem 0 0.6rem;
}
.prose p, .prose li { color: var(--graphit); }
.prose .mute, .prose .lede { color: var(--zink); }
.prose ul { padding-left: 1.1rem; }
.crumb {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--zink);
  letter-spacing: 0;
  margin: 0 0 18px;
}
.crumb a { color: var(--zink); text-decoration: none; }
.crumb a:hover { color: var(--schnur); }

.mod {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}
.mod:first-of-type { border-top: 2px solid var(--schnur); }
.mod h2 { margin: 0 0 8px; font-size: 1.4rem; }
.mod p { margin: 0; color: var(--zink); max-width: 46rem; }

.foot {
  border-top: 1px solid var(--line);
  padding: 36px 28px 48px;
  max-width: var(--w);
  margin: 0 auto;
}
.foot .mark { margin-bottom: 12px; }

.anfrage-split {
  max-width: var(--w);
  margin: 0 auto;
  padding: 48px 28px 72px;
  display: grid;
  grid-template-columns: minmax(16rem, 0.9fr) minmax(22rem, 1.2fr);
  gap: 56px 64px;
  align-items: start;
}
.anfrage-copy h1 {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  letter-spacing: -0.055em;
  line-height: 0.92;
  margin: 0 0 18px;
  font-weight: 600;
}
.anfrage-copy .lede {
  margin: 0;
  max-width: 28rem;
  color: var(--zink);
  font-size: 1.15rem;
}
.anfrage-form { min-width: 0; }

.lead { max-width: 40rem; }
.lead .row {
  display: grid;
  grid-template-columns: 7rem minmax(0, 1fr);
  gap: 12px 20px;
  align-items: baseline;
  border-bottom: 1px solid var(--graphit);
  padding: 1.05rem 0 0.85rem;
}
.lead .row-text { align-items: start; }
.lead .row > span {
  font-weight: 600;
  letter-spacing: -0.03em;
  padding-top: 0.35rem;
}
.lead input,
.lead textarea {
  width: 100%;
  font: inherit;
  font-size: 1.2rem;
  letter-spacing: -0.03em;
  color: var(--graphit);
  background: transparent;
  border: 0;
  padding: 0.2rem 0 0.35rem;
  border-radius: 0;
}
.lead textarea { min-height: 6.5rem; resize: vertical; }
.lead input:focus,
.lead textarea:focus {
  outline: none;
  box-shadow: inset 0 -2px 0 var(--schnur);
}
.lead-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 28px;
}
.lead-status { margin: 0; color: var(--minium); flex: 1; }
.lead-bar .btn { min-height: 48px; min-width: 12rem; }
.lead-thanks-copy {
  font-size: 1.25rem;
  letter-spacing: -0.03em;
  max-width: 28rem;
  margin: 8px 0 0;
}

@media (max-width: 860px) {
  .anfrage-split {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 28px;
  }
  .lead .row,
  .lead .row-text {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .lead-bar { flex-direction: column; align-items: stretch; }
}
.foot p { max-width: 36rem; color: var(--zink); }
.foot ul {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.foot a { color: var(--graphit); text-decoration: none; }
.foot a:hover { color: var(--schnur); }
.tiny { font-size: 0.85rem; }

.notice {
  background: var(--plan);
  border: 1px solid var(--line);
  padding: 14px 16px;
  max-width: 42rem;
}

@media (max-width: 760px) {
  .top { flex-wrap: wrap; }
  .nav-btn {
    display: inline-block;
    margin-left: auto;
    border: 1px solid var(--graphit);
    padding: 8px 12px;
    font-weight: 600;
    border-radius: 2px;
    cursor: pointer;
  }
  .top nav {
    display: none;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    margin: 8px 0 0;
    gap: 12px;
  }
  #nav:checked ~ nav { display: flex; }
  .kette { grid-template-columns: 1fr 1fr; }
  .spec, .spec tbody, .spec tr, .spec th, .spec td { display: block; }
  .spec th { width: auto; padding-bottom: 0; border-bottom: 0; }
  .spec td { padding-top: 4px; }
  .hero { padding-top: 40px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media print {
  .top, .foot, .skip, .nav-btn { display: none; }
  body { background: #fff; }
}