@font-face {
  font-family: "Inter";
  src: url("fonts/inter-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("fonts/jetbrains-mono-latin-wght-normal.woff2") format("woff2");
  font-weight: 100 800;
  font-display: swap;
}

:root {
  --paper: #f3f3ef;
  --surface: #ffffff;
  --ink: #0f1115;
  --ink-soft: #3d4049;
  --ink-mute: #80838c;
  --rule: #d9dad4;
  --blue: #2f5bff;
  --blue-deep: #1b3fd1;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --wrap: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  color: var(--ink-soft);
  font: 400 16.5px/1.6 var(--sans);
  -webkit-font-smoothing: antialiased;
  background-color: var(--paper);
  /* millimeter paper: 8px fine grid, 40px bold grid, as a single SVG tile
     (cheaper to rasterize while scrolling than stacked gradients) */
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40'><g fill='%232f5bff' fill-opacity='.06'><rect x='8' width='1' height='40'/><rect y='8' width='40' height='1'/><rect x='16' width='1' height='40'/><rect y='16' width='40' height='1'/><rect x='24' width='1' height='40'/><rect y='24' width='40' height='1'/><rect x='32' width='1' height='40'/><rect y='32' width='40' height='1'/></g><g fill='%232f5bff' fill-opacity='.163'><rect width='1' height='40'/><rect width='40' height='1'/></g></svg>");
}

.page { position: relative; z-index: 1; }

a { color: inherit; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 32px; }
.mono { font-family: var(--mono); }

/* Header */
header.top {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--paper);
  border-bottom: 1px solid var(--ink);
}
header.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 64px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font: 700 15px/1 var(--mono);
  letter-spacing: 0.01em;
  color: var(--ink);
  text-decoration: none;
}
.logo .mark {
  display: grid;
  gap: 3px;
  width: 22px;
}
.logo .mark i {
  display: block;
  height: 3px;
  background: var(--ink);
}
.logo .mark i:nth-child(2) { width: 80%; margin-left: 10%; }
.logo .mark i:nth-child(3) { width: 60%; margin-left: 20%; background: var(--blue); }

.logo .tag {
  font: 600 11px/1 var(--mono);
  color: var(--blue-deep);
  border: 1px solid var(--blue);
  padding: 4px 6px;
  margin-left: 2px;
  white-space: nowrap;
}

nav.main { display: flex; align-items: center; gap: 4px; }
nav.main a {
  font: 500 13px/1 var(--mono);
  text-decoration: none;
  color: var(--ink-soft);
  padding: 9px 12px;
}
nav.main a:hover { color: var(--blue); }
nav.main a.wa:not([hidden]) { display: inline-flex; align-items: center; gap: 7px; }
nav.main a.wa {
  padding: 0 12px;
  margin-left: 8px;
  color: var(--ink);
}
nav.main a.wa:hover { border-color: var(--blue); color: var(--blue); }
nav.main a.wa svg { width: 17px; height: 17px; color: #1a9e4b; }
.logo, nav.main a { white-space: nowrap; }
nav.main a.cta {
  background: var(--ink);
  color: var(--paper);
  margin-left: 8px;
}
nav.main a.cta:hover { background: var(--blue); border-color: var(--blue); color: #fff; }
/* WhatsApp and Anfrage sit side by side as a pair, so they share one box size. */
nav.main a.wa, nav.main a.cta {
  box-sizing: border-box;
  height: 36px;
  align-items: center;
  border: 1px solid var(--ink);
}
nav.main a.cta { display: inline-flex; gap: 8px; padding: 0 12px; }

/* Type */
.label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 500 12px/1 var(--mono);
  color: var(--blue-deep);
  margin: 0 0 22px;
}
.label::before {
  content: "";
  width: 18px;
  height: 1px;
  background: currentColor;
}
h1, h2, h3 { color: var(--ink); margin: 0; font-family: var(--sans); }
h1 {
  font-weight: 750;
  font-size: clamp(42px, 6.4vw, 80px);
  line-height: 1.02;
  letter-spacing: -0.045em;
}
h1 em {
  font-style: normal;
  color: var(--blue);
}
h2 {
  font-weight: 700;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.035em;
  max-width: 20ch;
}
h3 {
  font-weight: 650;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: -0.015em;
}
.lead {
  font-size: clamp(17px, 1.6vw, 19px);
  max-width: 32em;
  margin: 26px 0 0;
}

/* Buttons */
.btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font: 600 14px/1 var(--mono);
  padding: 17px 22px;
  border: 1px solid var(--ink);
  text-decoration: none;
  color: var(--ink);
  background: var(--surface);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn:hover { border-color: var(--blue); color: var(--blue); }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.primary:hover { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn .arrow { transition: transform 0.15s ease; }
.btn:hover .arrow { transform: translateX(4px); }

/* Sections */
section { padding: 104px 0; }
.section-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: end;
  margin-bottom: 56px;
}
.section-head p { margin: 0; max-width: 30em; }

/* Hero */
.hero { padding: 88px 0 104px; }
.hero .wrap {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 64px;
  align-items: center;
}
.spec {
  background: var(--surface);
  border: 1px solid var(--ink);
  font-family: var(--mono);
  font-size: 13px;
}
.spec-head {
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
}
.spec dl { margin: 0; }
.spec .r {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  padding: 13px 16px;
  border-bottom: 1px dashed var(--rule);
}
.spec .r:last-child { border-bottom: 0; }
.spec dt { color: var(--ink-mute); }
.spec dd { margin: 0; color: var(--ink); text-align: right; font-weight: 600; }
.spec-foot {
  padding: 12px 16px;
  border-top: 1px solid var(--ink);
  color: var(--blue-deep);
  font-size: 12px;
}

/* Hero meta line */
.hero-meta {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  font: 500 13px/1.4 var(--mono);
  color: var(--ink);
}
.hero-meta li::before { content: "✓ "; color: var(--blue); }

/* Prototyp-Express offer */
.express { padding-top: 0; }
.offer {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  background: var(--surface);
  border: 1px solid var(--ink);
  box-shadow: 6px 6px 0 var(--blue);
}
.offer-main { padding: 44px; }
.offer-main h2 { max-width: 16ch; }
.offer-side {
  padding: 44px 40px;
  border-left: 1px solid var(--ink);
  background: var(--paper);
}
.price {
  font: 750 56px/1 var(--sans);
  letter-spacing: -0.04em;
  color: var(--ink);
}
.price .from { font: 500 16px/1 var(--mono); color: var(--ink-mute); letter-spacing: 0; vertical-align: middle; }
.included { list-style: none; margin: 24px 0 0; padding: 0; }
.included li {
  position: relative;
  padding: 11px 0 11px 28px;
  border-bottom: 1px dashed var(--rule);
  font-size: 15.5px;
  color: var(--ink);
}
.included li::before { content: "✓"; position: absolute; left: 2px; color: var(--blue); font-weight: 700; }
.fine { margin: 18px 0 0; font-size: 13px; color: var(--ink-mute); }

/* Case studies */
.cases { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.case {
  background: var(--surface);
  border: 1px solid var(--ink);
  padding: 32px;
}
.case { display: flex; flex-direction: column; }
.case .case-kicker {
  margin: 0 0 14px;
  font: 500 12px/1.4 var(--mono);
  color: var(--blue-deep);
}
.case h3 { margin-bottom: 12px; }
.case p { margin: 0; }
.case .case-time {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px dashed var(--rule);
  font: 500 12.5px/1.4 var(--mono);
  color: var(--ink-mute);
}
.case > p:nth-of-type(2) { margin-bottom: 22px; }
.case .case-time strong { color: var(--ink); font-weight: 700; white-space: nowrap; }

/* Services list */
.services {
  background: var(--surface);
  border: 1px solid var(--ink);
}
.service {
  display: grid;
  grid-template-columns: 80px 1fr 1.3fr;
  gap: 32px;
  padding: 28px;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
  transition: background 0.15s ease;
}
.service:last-child { border-bottom: 0; }
.service:hover { background: var(--paper); }
.service .idx { font: 500 13px/1 var(--mono); color: var(--blue-deep); }
.service p { margin: 0; }

/* Process */
.process {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--ink);
  background: var(--surface);
}
.process li {
  padding: 28px 24px 32px;
  border-right: 1px solid var(--ink);
}
.process li:last-child { border-right: 0; }
.process .t {
  display: block;
  font: 500 12px/1 var(--mono);
  color: var(--blue-deep);
  margin-bottom: 40px;
}
.process h3 { margin-bottom: 10px; }
.process p { margin: 0; font-size: 15.5px; }

/* Materials */
.mat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.mat {
  background: var(--surface);
  border: 1px solid var(--rule);
  padding: 22px 22px 24px;
}
.mat .code {
  font: 700 26px/1 var(--mono);
  color: var(--ink);
  letter-spacing: -0.02em;
}
.mat .bars { margin: 18px 0 16px; display: grid; gap: 7px; font: 500 11px/1 var(--mono); color: var(--ink-mute); }
.mat .bar { display: grid; grid-template-columns: 88px 1fr; align-items: center; gap: 10px; }
.mat .bar span:last-child {
  height: 5px;
  background: linear-gradient(90deg, var(--blue) var(--v), var(--rule) var(--v));
}
.mat p { margin: 0; font-size: 14.5px; }

/* Quote */
.quote-section {
  background: var(--ink);
  color: #c9ccd4;
  background-image: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40'><g fill='%23fff' fill-opacity='.05'><rect width='1' height='40'/><rect width='40' height='1'/></g></svg>");
}
.quote-section h2 { color: #fff; }
.quote-section .label { color: #8aa2ff; }
.quote-layout {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 72px;
  align-items: start;
}
.quote-intro {
  background: #16181d;
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: 36px;
}
.direct {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.direct p { margin: 0 0 16px; }
.direct .direct-title { font-weight: 650; color: #fff; margin-bottom: 6px; }
.direct a:not(.btn) { color: #fff; }
.facts { margin: 36px 0 0; padding: 0; list-style: none; font-family: var(--mono); font-size: 13.5px; }
.facts li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.facts li span:last-child { color: #fff; }

form.quote {
  background: var(--surface);
  color: var(--ink-soft);
  padding: 36px;
  border: 1px solid var(--surface);
}
.form-title {
  display: flex;
  justify-content: space-between;
  font: 500 12px/1 var(--mono);
  color: var(--ink-mute);
  padding-bottom: 18px;
  margin-bottom: 26px;
  border-bottom: 1px solid var(--rule);
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; margin-bottom: 20px; }
.field label {
  font: 500 12px/1.3 var(--mono);
  color: var(--ink);
  margin-bottom: 8px;
}
.field label .opt { color: var(--ink-mute); }
.field input, .field select, .field textarea {
  font: 400 16px/1.4 var(--sans);
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 13px 14px;
  width: 100%;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.field textarea { min-height: 136px; resize: vertical; }
.field select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink) 50%), linear-gradient(135deg, var(--ink) 50%, transparent 50%);
  background-position: calc(100% - 20px) 55%, calc(100% - 15px) 55%;
  background-size: 5px 5px;
  background-repeat: no-repeat;
  padding-right: 40px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--blue);
  background-color: var(--surface);
}
.consent {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 14px;
  margin: 4px 0 24px;
}
.consent input { margin-top: 4px; accent-color: var(--blue); width: 16px; height: 16px; flex: none; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
form.quote .btn { width: 100%; justify-content: space-between; }
.status { margin: 16px 0 0; font-size: 15px; min-height: 1.6em; }
.status.ok { color: #1f7a3a; }
.status.err { color: #b3261e; }

.mail-fallback {
  margin-top: 8px;
  padding: 20px;
  background: var(--paper);
  border: 1px dashed var(--blue);
  font-size: 15px;
}
.mail-fallback p { margin: 0 0 14px; }
.mail-fallback .mf-title { font-weight: 650; color: var(--ink); margin-bottom: 6px; }
.mf-label { display: block; font: 500 12px/1.3 var(--mono); color: var(--ink); margin-bottom: 8px; }
.mail-fallback textarea {
  width: 100%;
  min-height: 160px;
  resize: vertical;
  font: 400 13px/1.5 var(--mono);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: 0;
  padding: 12px;
}
.mf-actions { margin: 12px 0 16px; }
form.quote .mf-actions .btn { width: auto; padding: 12px 16px; }
.mf-address {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 8px 16px;
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  font-family: var(--mono);
  font-size: 13.5px;
}
.mf-address a { color: var(--blue); }
.mf-copy {
  font: 500 12.5px/1 var(--mono);
  color: var(--ink);
  background: none;
  border: 1px solid var(--ink);
  padding: 8px 10px;
  cursor: pointer;
}
.mf-copy:hover { border-color: var(--blue); color: var(--blue); }

/* FAQ */
.faq-list {
  background: var(--surface);
  border: 1px solid var(--ink);
}
.faq details { padding: 0 28px; border-bottom: 1px solid var(--rule); }
.faq details:last-child { border-bottom: 0; }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 24px 0;
  font: 600 19px/1.3 var(--sans);
  letter-spacing: -0.01em;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "[+]"; font: 500 14px/1.6 var(--mono); color: var(--blue); flex: none; }
.faq details[open] summary::after { content: "[–]"; }
.faq details p { margin: -6px 0 26px; max-width: 46em; }

/* Footer */
footer {
  border-top: 1px solid var(--ink);
  padding: 32px 0;
  font: 400 13px/1.6 var(--mono);
  color: var(--ink-mute);
  background: var(--paper);
}
footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer a { text-decoration: none; }
footer a:hover { color: var(--blue); }

/* Legal pages */
.contact-link {
  font: inherit;
  color: var(--blue);
  background: none;
  border: 0;
  padding: 0;
  text-decoration: underline;
  cursor: pointer;
}
.legal small { color: var(--ink-mute); font-size: 13px; }
.legal { padding: 80px 0 112px; }
.legal .sheet { background: var(--surface); border: 1px solid var(--ink); padding: 48px; max-width: 820px; }
.legal h1 { font-size: clamp(36px, 5vw, 56px); margin-bottom: 32px; }
.legal h2 { font-size: 21px; margin: 36px 0 10px; max-width: none; letter-spacing: -0.01em; }
.legal h3 { font-size: 16px; margin: 24px 0 8px; }
.legal a { color: var(--blue); }

:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

@media (max-width: 960px) {
  .wa-text { display: none; }
  .hero .wrap, .quote-layout { grid-template-columns: 1fr; gap: 48px; }
  .section-head { grid-template-columns: 1fr; gap: 18px; }
  .process { grid-template-columns: 1fr 1fr; }
  .process li:nth-child(2) { border-right: 0; }
  .process li:nth-child(-n+2) { border-bottom: 1px solid var(--ink); }
  .service { grid-template-columns: 56px 1fr; }
  .offer { grid-template-columns: 1fr; }
  .offer-side { border-left: 0; border-top: 1px solid var(--ink); }
  .cases { grid-template-columns: 1fr; }
  .service p { grid-column: 2; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 16px; }
  nav.main a:not(.cta):not(.wa) { display: none; }
  .logo .tag { display: none; }
  nav.main a.wa { padding: 0 8px; margin-left: 0; gap: 6px; font-size: 12px; }
  nav.main a.wa svg { width: 16px; height: 16px; }
  .wa-text { display: inline; }
  header.top .wrap { gap: 10px; }
  .logo { font-size: 13px; gap: 7px; white-space: nowrap; }
  .logo .mark { width: 16px; }
  .logo .tag { font-size: 10px; padding: 3px 5px; }
  nav.main a.cta { padding: 0 9px; margin-left: 0; white-space: nowrap; font-size: 12px; }
  .cta-arrow { display: none; }
  .label-extra { display: none; }
  section { padding: 72px 0; }
  .hero { padding: 56px 0 72px; }
  .process { grid-template-columns: 1fr; }
  .process li { border-right: 0; border-bottom: 1px solid var(--ink); }
  .process li:last-child { border-bottom: 0; }
  .process .t { margin-bottom: 20px; }
  .service { grid-template-columns: 40px 1fr; gap: 6px 16px; padding: 22px 18px; }
  .quote-intro { padding: 24px 18px; }
  .offer-main, .offer-side { padding: 26px 18px; }
  .offer { box-shadow: 4px 4px 0 var(--blue); }
  .price { font-size: 46px; }
  .case { padding: 24px 18px; }
  .row { grid-template-columns: 1fr; gap: 0; }
  form.quote { padding: 24px 18px; }
  .legal .sheet { padding: 28px 20px; }
  .faq details { padding: 0 18px; }
  .faq summary { font-size: 17px; padding: 20px 0; }
}
@media (max-width: 374px) {
  .wa-text { display: none; }
}
@media (max-width: 359px) {
  .logo .mark { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .btn .arrow { transition: none; }
}