/* Ingenieurbüro Felix Sommer – Website v1.4.2 */
:root {
  --bg: #f3f3ef;
  --surface: #ffffff;
  --ink: #090909;
  --muted: #64645f;
  --line: rgba(9, 9, 9, .13);
  --soft: rgba(9, 9, 9, .045);
  --radius-sm: 18px;
  --radius: 28px;
  --radius-lg: 36px;
  --shadow: 0 28px 80px rgba(0, 0, 0, .07);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 6% 4%, rgba(0,0,0,.035), transparent 28rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: auto;
}

a { color: inherit; }
img { display: block; max-width: 100%; }
[id] { scroll-margin-top: 96px; }
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(9,9,9,.28);
  outline-offset: 4px;
  border-radius: 8px;
}
.button:focus-visible,
.nav-cta:focus-visible { outline-color: rgba(9,9,9,.38); }
.plugin-panel a:focus-visible { outline-color: rgba(255,255,255,.58); }

.wrap { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }

.skip-link {
  position: fixed;
  left: 12px;
  top: -80px;
  z-index: 999;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.skip-link:focus { top: 12px; }

header { padding: 18px 0 0; position: relative; z-index: 20; }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 17px 20px;
  border: 1px solid rgba(9,9,9,.08);
  border-radius: 22px;
  background: rgba(255,255,255,.96);
  box-shadow: 0 10px 40px rgba(0,0,0,.04);
}
.brand { width: clamp(220px, 28vw, 385px); text-decoration: none; }
.brand img { width: 100%; height: auto; }
nav ul { display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; list-style: none; }
nav a { text-decoration: none; font-size: .9rem; font-weight: 680; letter-spacing: .01em; }
nav a:not(.nav-cta):hover { opacity: .55; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
}
.nav-cta:hover { opacity: .84; }

main { overflow: hidden; }
.hero-art { contain: paint; }
.section,
.plugin-section,
.contact,
footer {
  content-visibility: auto;
  contain-intrinsic-size: auto 760px;
}
/* On form feedback pages render the full layout before fragment positioning.
   This avoids mobile browsers landing several sections above #kontakt-status. */
body.contact-feedback .section,
body.contact-feedback .plugin-section,
body.contact-feedback .contact,
body.contact-feedback footer {
  content-visibility: visible;
  contain-intrinsic-size: none;
}
.hero { padding: clamp(44px, 5.7vw, 74px) 0 42px; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(350px, .84fr);
  gap: clamp(34px, 5vw, 68px);
  align-items: center;
}
.eyebrow,
.kicker {
  font-size: .76rem;
  font-weight: 780;
  letter-spacing: .15em;
  text-transform: uppercase;
}
.eyebrow { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px; }
.eyebrow::before { content: ""; width: 32px; height: 1px; background: currentColor; }
.kicker { color: var(--muted); }

h1,
h2,
h3,
p { overflow-wrap: anywhere; }
h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(3.15rem, 6.6vw, 6.5rem);
  line-height: .91;
  letter-spacing: -.066em;
  font-weight: 800;
}
h1 .light { font-weight: 310; }
.lead {
  max-width: 780px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-size: .92rem;
  font-weight: 740;
  text-decoration: none;
  transition: transform .18s ease, opacity .18s ease, background .18s ease;
}
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--ink); color: #fff; }
.button.secondary { background: transparent; }
.button svg { width: 17px; height: 17px; }

.hero-art {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #090909;
  color: #fff;
  box-shadow: var(--shadow);
  isolation: isolate;
}
.hero-art::before,
.hero-art::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
}
.hero-art::before { width: 500px; height: 500px; left: -190px; top: -150px; }
.hero-art::after { width: 350px; height: 350px; right: -130px; bottom: -105px; }
.art-grid {
  position: absolute;
  inset: 0;
  opacity: .2;
  background-image:
    linear-gradient(rgba(255,255,255,.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.1) 1px, transparent 1px);
  background-size: 56px 56px;
}
.hero-signet {
  position: absolute;
  right: -38px;
  top: 42px;
  z-index: 1;
  width: 245px;
  opacity: .065;
  pointer-events: none;
}
.art-content {
  position: relative;
  z-index: 2;
  display: flex;
  min-height: 500px;
  flex-direction: column;
  justify-content: flex-end;
  padding: 36px 36px 38px;
}
.art-code { margin-bottom: auto; color: rgba(255,255,255,.42); font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; }
.art-headline { max-width: 390px; margin: 0 0 30px; font-size: clamp(2.1rem, 3.3vw, 3.4rem); line-height: .98; letter-spacing: -.045em; }
.art-stats { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.art-stat { padding-top: 14px; border-top: 1px solid rgba(255,255,255,.16); }
.art-stat strong { display: block; font-size: 1.45rem; line-height: 1; }
.art-stat span { display: block; margin-top: 6px; color: rgba(255,255,255,.56); font-size: .78rem; }
.art-footer { margin-top: 26px; color: rgba(255,255,255,.48); font-size: .78rem; }

.trust-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 36px; }
.trust-item { padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: .88rem; }
.trust-item strong { display: block; margin-bottom: 3px; color: var(--ink); }

.section { padding: 56px 0; }
.section.compact { padding-top: 42px; padding-bottom: 42px; }
.section-head {
  display: grid;
  grid-template-columns: .68fr 1.32fr;
  gap: 44px;
  align-items: end;
  margin-bottom: 32px;
}
h2 {
  margin: 0;
  font-size: clamp(2.25rem, 4.2vw, 4.35rem);
  line-height: .98;
  letter-spacing: -.052em;
  font-weight: 710;
}
.section-copy { max-width: 760px; margin: 10px 0 0; color: var(--muted); font-size: 1.02rem; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cards.cards-four { grid-template-columns: repeat(4, 1fr); }
.card {
  min-height: 250px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 20px 55px rgba(0,0,0,.05); }
.card-num { color: var(--muted); font-size: .74rem; font-weight: 780; letter-spacing: .12em; }
.card h3 { margin: 40px 0 12px; font-size: 1.38rem; letter-spacing: -.025em; overflow-wrap: normal; word-break: normal; hyphens: auto; }
.card p { margin: 0; color: var(--muted); font-size: .94rem; }

.statement-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: .96fr 1.04fr;
  gap: clamp(30px, 6vw, 80px);
  align-items: center;
  padding: clamp(32px, 5.4vw, 62px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: #fff;
}
.statement-panel::after {
  content: "01";
  position: absolute;
  right: -16px;
  bottom: -90px;
  color: rgba(0,0,0,.028);
  font-size: 20rem;
  font-weight: 900;
  line-height: 1;
  pointer-events: none;
}
.statement-big {
  max-width: 570px;
  margin: 0;
  font-size: clamp(2.65rem, 5vw, 5.2rem);
  line-height: .92;
  letter-spacing: -.062em;
  font-weight: 790;
}
.statement-big .light { font-weight: 310; }
.statement-copy { position: relative; z-index: 1; }
.statement-copy p { margin: 0 0 16px; color: var(--muted); font-size: 1rem; }
.statement-copy p:last-child { margin-bottom: 0; }

.about-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(30px, 5vw, 64px);
  align-items: start;
}
.about-aside {
  position: sticky;
  top: 24px;
  overflow: hidden;
  min-height: 275px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  isolation: isolate;
}
.about-mark {
  position: absolute;
  right: -46px;
  bottom: -54px;
  z-index: -1;
  width: 210px;
  height: 210px;
  background: url('/assets/fs-signet-black.svg?v=1.3.9') center/contain no-repeat;
  opacity: .035;
  pointer-events: none;
}
.about-aside strong { display: block; max-width: 320px; margin-bottom: 8px; font-size: 1.28rem; letter-spacing: -.02em; }
.about-aside p { max-width: 330px; margin: 0; color: var(--muted); }
.about-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 26px; }
.about-tags span { padding: 6px 9px; border: 1px solid var(--line); border-radius: 999px; background: rgba(255,255,255,.72); color: var(--muted); font-size: .7rem; font-weight: 700; letter-spacing: .02em; }
.about-body h2 { margin-bottom: 24px; }
.about-body > p { max-width: 760px; margin: 0 0 16px; color: var(--muted); font-size: 1.04rem; }
.about-body > .about-personal { max-width: 720px; margin-top: 24px; padding: 18px 20px; border-left: 2px solid var(--ink); background: rgba(255,255,255,.48); color: #454541; font-size: .94rem; }
.fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 30px; }
.fact { padding: 18px 0 0; border-top: 1px solid var(--line); }
.fact strong { display: block; font-size: 1.9rem; line-height: 1; letter-spacing: -.045em; }
.fact span { display: block; margin-top: 7px; color: var(--muted); font-size: .82rem; }

.network-panel {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 20px;
  align-items: stretch;
}
.network-intro,
.network-grid {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.network-intro { padding: clamp(28px, 4vw, 46px); }
.network-intro h2 { font-size: clamp(2.3rem, 4vw, 4.1rem); }
.network-intro p { max-width: 650px; margin: 18px 0 0; color: var(--muted); }
.network-grid { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; }
.network-item { min-height: 178px; padding: 24px; transition: background .18s ease; }
.network-item:hover { background: rgba(9,9,9,.018); }
.network-item:nth-child(odd) { border-right: 1px solid var(--line); }
.network-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
.network-item span { display: block; margin-bottom: 30px; color: var(--muted); font-size: .72rem; font-weight: 760; letter-spacing: .12em; }
.network-item strong { display: block; margin-bottom: 8px; font-size: 1.12rem; }
.network-item p { margin: 0; color: var(--muted); font-size: .89rem; }

.workflow-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--line);
}
.workflow-step { min-height: 148px; padding: 24px; background: var(--bg); }
.workflow-step strong { display: block; margin-bottom: 30px; font-size: .96rem; }
.workflow-step span { color: var(--muted); font-size: .88rem; }

.plugin-section { padding: 42px 0 58px; }
.plugin-panel {
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: .95fr 1.05fr;
  gap: 42px;
  align-items: center;
  padding: clamp(36px, 6vw, 72px);
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: #fff;
}
.plugin-panel::after {
  content: "FS";
  position: absolute;
  right: -28px;
  bottom: -116px;
  color: rgba(255,255,255,.035);
  font-size: 22rem;
  font-weight: 850;
  line-height: 1;
  letter-spacing: -.1em;
  pointer-events: none;
}
.plugin-panel h2,
.plugin-panel p { position: relative; z-index: 1; }
.plugin-panel p { max-width: 650px; color: rgba(255,255,255,.67); }
.plugin-kicker { margin-bottom: 18px; color: rgba(255,255,255,.46); }
.release-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  justify-self: start;
  padding: 28px;
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 24px;
  background: rgba(255,255,255,.08);
}
.release-top { display: flex; justify-content: space-between; gap: 14px; align-items: center; margin-bottom: 26px; }
.pill { padding: 7px 10px; border: 1px solid rgba(255,255,255,.18); border-radius: 999px; color: rgba(255,255,255,.75); font-size: .71rem; }
.release-code { color: rgba(255,255,255,.60); font-size: .72rem; letter-spacing: .12em; }
.release-card h3 { margin: 0 0 8px; font-size: 1.45rem; }
.release-card p { margin: 0; font-size: .92rem; }
.stage-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 28px; }
.stage { padding-top: 10px; border-top: 2px solid rgba(255,255,255,.26); color: rgba(255,255,255,.60); font-size: .68rem; }
.stage.done { border-top-color: rgba(255,255,255,.68); color: rgba(255,255,255,.78); }
.stage.active { border-top-color: #fff; color: #fff; }
.product-points { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.product-point { padding: 7px 9px; border-radius: 999px; background: rgba(255,255,255,.07); color: rgba(255,255,255,.62); font-size: .7rem; }

.principles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: var(--line);
}
.principle { min-height: 158px; padding: 25px; background: var(--bg); }
.principle strong { display: block; margin-bottom: 34px; font-size: .98rem; }
.principle span { color: var(--muted); font-size: .88rem; }

.contact { padding: 52px 0 60px; }
.contact-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 34px;
  align-items: center;
  padding: clamp(30px, 5vw, 52px);
  border: 1px solid var(--line);
  border-radius: 30px;
  background: var(--surface);
}
.contact-panel-form {
  grid-template-columns: minmax(0, .86fr) minmax(420px, 1.14fr);
  align-items: start;
  gap: clamp(34px, 5vw, 70px);
}
.contact-panel h2 { margin-bottom: 12px; font-size: clamp(2rem, 4vw, 3.6rem); }
.contact-panel p { max-width: 710px; margin: 0; color: var(--muted); }
.contact-intro { position: sticky; top: 112px; }
.contact-direct { margin-top: 20px !important; font-size: .92rem; }
.contact-direct a,
.form-privacy a { text-underline-offset: 3px; }
.contact-form-wrap { position: relative; min-width: 0; }
.contact-form { display: grid; gap: 16px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: grid; gap: 7px; }
.form-field > span { font-size: .78rem; font-weight: 760; letter-spacing: .02em; }
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  outline: 0;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: .94rem;
  transition: border-color .16s ease, box-shadow .16s ease;
}
.form-field textarea { min-height: 154px; resize: vertical; }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: rgba(9,9,9,.52);
  box-shadow: 0 0 0 3px rgba(9,9,9,.055);
}
.form-submit-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-top: 2px; }
.form-submit-row .button { flex: 0 0 auto; cursor: pointer; }
.form-privacy { max-width: 530px !important; font-size: .76rem; line-height: 1.5; }
.form-status {
  scroll-margin-top: 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--ink);
  border-radius: 14px;
  background: var(--bg);
}
.form-status[hidden] { display: none !important; }
.form-status-icon {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: .82rem;
  font-weight: 800;
}
.form-status-copy { display: grid; gap: 3px; }
.form-status strong { color: var(--ink); font-size: .9rem; }
.form-status span { color: var(--muted); font-size: .82rem; }
.form-status-error .form-status-icon { background: #5f2d26; }
.form-status-reset { display: none; }
.contact-form-wrap.is-success {
  overflow-anchor: none;
}
.contact-form-wrap.is-success .contact-form {
  display: none;
}
.contact-form-wrap.is-success .form-status {
  position: static;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  min-height: 0;
  margin: 0;
  padding: clamp(24px, 4vw, 32px);
  border: 1px solid var(--line);
  border-left: 4px solid var(--ink);
  border-radius: 22px;
  background: var(--bg);
}
.contact-form-wrap.is-success .form-status-icon {
  display: grid;
  width: 42px;
  height: 42px;
  margin: 0 0 2px;
  background: var(--ink);
  color: #fff;
  font-size: 1rem;
  line-height: 1;
}
.contact-form-wrap.is-success .form-status-copy { gap: 6px; }
.contact-form-wrap.is-success .form-status strong { font-size: 1.15rem; }
.contact-form-wrap.is-success .form-status span { max-width: 470px; font-size: .9rem; line-height: 1.55; }
.contact-form-wrap.is-success .form-status-reset { display: inline-flex; margin-top: 2px; }
.form-submit-row .button.is-loading { cursor: wait; opacity: .82; }
.form-submit-row .button.is-loading::after {
  content: '';
  width: 13px;
  height: 13px;
  margin-left: 9px;
  border: 2px solid rgba(255,255,255,.44);
  border-top-color: #fff;
  border-radius: 50%;
  animation: fs-contact-spin .7s linear infinite;
}
@keyframes fs-contact-spin { to { transform: rotate(360deg); } }
.hp-field { position: absolute !important; left: -10000px !important; top: auto !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

footer { padding: 0 0 30px; }
.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .81rem;
}
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
.footer-row a { text-underline-offset: 3px; }

/* Legal pages */
.legal-main { padding: 54px 0 76px; }
.legal-shell {
  width: 100%;
  max-width: 1020px;
  margin-inline: auto;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.legal-shell h1 { margin-bottom: 28px; font-size: clamp(2.6rem, 5vw, 4.8rem); }
.legal-shell h2 { margin: 34px 0 10px; font-size: 1.55rem; letter-spacing: -.025em; }
.legal-shell h3 { margin: 24px 0 8px; font-size: 1.08rem; }
.legal-shell p,
.legal-shell li { color: var(--muted); }
.legal-shell p { margin: 0 0 14px; }
.legal-shell ul { padding-left: 20px; }
.legal-note { margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--line); font-size: .84rem; }
.back-link { display: inline-flex; margin-bottom: 24px; text-decoration: none; font-weight: 700; }
.back-link:hover { opacity: .6; }

@media (max-width: 1020px) {
  .hero-grid,
  .section-head,
  .statement-panel,
  .about-grid,
  .network-panel,
  .plugin-panel { grid-template-columns: 1fr; }
  .hero-art { min-height: 430px; }
  .art-content { min-height: 430px; }
  .cards,
  .cards.cards-four { grid-template-columns: 1fr 1fr; }
  .about-aside { position: static; min-height: 245px; }
  .network-panel { gap: 16px; }
  .principles,
  .workflow-strip { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .wrap { width: min(calc(100% - 24px), var(--max)); }
  header { padding-top: 10px; }
  .nav { padding: 13px 14px; border-radius: 18px; }
  .brand { width: 215px; }
  nav ul li:not(:last-child) { display: none; }
  .nav-cta { min-height: 38px; padding-inline: 13px; font-size: .8rem; }
  .hero { padding-top: 36px; }
  .section { padding: 46px 0; }
  .section.compact { padding-top: 34px; padding-bottom: 34px; }
  .plugin-section { padding: 34px 0 48px; }
  .contact { padding: 42px 0 50px; }
  h1 { font-size: clamp(3rem, 15vw, 5rem); }
  .hero-art { min-height: 390px; border-radius: 28px; }
  .art-content { min-height: 390px; padding: 26px; }
  .hero-signet { width: 165px; right: -34px; top: 42px; opacity: .055; }
  .art-headline { max-width: 285px; font-size: 2.4rem; }
  .trust-row,
  .cards,
  .cards.cards-four,
  .fact-grid,
  .principles,
  .workflow-strip { grid-template-columns: 1fr; }
  .cards { gap: 14px; }
  .card { min-height: 0; padding: 22px 24px; }
  .card h3 { margin: 22px 0 10px; font-size: 1.34rem; }
  .card p { font-size: .96rem; }
  .about-aside { min-height: 220px; padding: 26px; }
  .about-mark { right: -70px; bottom: -70px; width: 155px; height: 155px; opacity: .022; }
  .network-grid { grid-template-columns: 1fr; }
  .network-item:nth-child(odd) { border-right: 0; }
  .network-item:not(:last-child) { border-bottom: 1px solid var(--line); }
  .stage-row { grid-template-columns: 1fr 1fr; gap: 14px 10px; margin-top: 24px; }
  .stage { min-width: 0; font-size: .7rem; line-height: 1.35; }
  .principle,
  .workflow-step { min-height: 140px; }
  .principle strong,
  .workflow-step strong { margin-bottom: 28px; }
  .contact-panel,
  .contact-panel-form { grid-template-columns: 1fr; }
  .contact-intro { position: static; }
  .form-grid { grid-template-columns: 1fr; }
  .form-submit-row { align-items: stretch; flex-direction: column; }
  .contact-panel .button,
  .form-submit-row .button { width: 100%; }
  .section-head { gap: 18px; margin-bottom: 26px; }
  .statement-panel { gap: 26px; }
  .release-card { padding: 22px; }
  .footer-row { flex-direction: column; gap: 10px; }
}

@media (max-width: 430px) {
  .eyebrow { margin-bottom: 18px; }
  .section-head { gap: 14px; margin-bottom: 22px; }
  .section-copy { margin-top: 8px; }
  .card { border-radius: 24px; }
  .statement-panel { padding: 28px 24px; border-radius: 28px; }
  .statement-big { font-size: clamp(2.45rem, 13vw, 3.35rem); }
  .plugin-panel { padding: 30px 24px; border-radius: 28px; }
  .contact-panel { padding: 28px 22px; }
  .stage-row { gap: 12px 8px; }
  .stage { font-size: .67rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .form-submit-row .button.is-loading::after { animation: none; }
  *, *::before, *::after { transition: none !important; }
}


/* v1.4.0: client acquisition / content pages */
.mobile-menu { display: none; }
.card h3 a { color: inherit; text-decoration: none; }
.card h3 a:hover { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.service-card { min-height: 330px; }
.service-card h3 { margin-top: 34px; }
.service-card p { margin-bottom: 18px; }
.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 12px; font-size: .83rem; font-weight: 800; text-decoration: none; border-bottom: 1px solid var(--ink); padding-bottom: 3px; }
.card-link:hover { opacity: .65; }
.services-note { margin: 21px 4px 0; color: var(--muted); font-size: .91rem; }
.services-note a { color: var(--ink); font-weight: 650; text-underline-offset: 3px; }
.preview-card { min-height: 225px; }
.preview-card h3 { margin-top: 30px; }
.section-actions { margin-top: 23px; display: flex; justify-content: flex-start; }
.service-hero { padding: clamp(56px, 7vw, 102px) 0 clamp(52px, 5vw, 72px); }
.service-hero-grid { display: grid; grid-template-columns: minmax(0,1.3fr) minmax(290px,.7fr); gap: clamp(28px, 5vw, 66px); align-items: center; }
.service-hero h1 { max-width: 820px; font-size: clamp(2.95rem, 6vw, 5.7rem); line-height: .98; }
.service-hero .lead { max-width: 700px; }
.service-side { position: relative; overflow: hidden; border-radius: 30px; background: #101113; color: #fff; padding: clamp(28px,4vw,46px); min-height: 330px; display: flex; flex-direction: column; justify-content: center; }
.service-side::after { content: ''; width: 180px; height: 180px; position: absolute; right: -120px; top: -90px; border: 55px solid rgba(255,255,255,.045); border-radius: 50%; pointer-events: none; }
.side-label { color: rgba(255,255,255,.55); font-size: .7rem; font-weight: 750; text-transform: uppercase; letter-spacing: .13em; margin-bottom: 20px; }
.service-side h2 { font-size: clamp(1.9rem,3vw,2.8rem); line-height: 1.03; }
.service-side p { margin: 18px 0; font-size: .94rem; color: rgba(255,255,255,.69); }
.side-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.side-tags span { padding: 6px 10px; border: 1px solid rgba(255,255,255,.24); border-radius: 999px; color: #e5e5e5; font-size: .7rem; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(28px,5vw,75px); align-items: start; }
.detail-grid h2 { margin: 16px 0 20px; }
.detail-grid p, .related-links p { color: var(--muted); font-size: 1rem; }
.detail-box { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(25px,4vw,40px); }
.detail-box h3 { margin: 0 0 20px; font-size: 1.43rem; letter-spacing: -.03em; }
.detail-box ol { margin: 0; padding-left: 24px; color: var(--muted); }
.detail-box li { padding-left: 6px; margin: 0 0 14px; }
.detail-box li:last-child { margin-bottom: 0; }
.insight-panel { display: flex; justify-content: space-between; align-items: flex-end; gap: 25px; padding: clamp(30px,5vw,54px); background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--line); }
.insight-panel > div { max-width: 750px; }
.insight-panel h2 { margin: 18px 0; }
.insight-panel p { color: var(--muted); margin-bottom: 0; }
.insight-panel .fine-print { font-size: .78rem; margin-top: 13px; }
.insight-panel .button { flex: 0 0 auto; }
.related-links { padding-block: 20px; }
.related-links h2 { font-size: clamp(2rem,3.6vw,3.4rem); }
.related-links a { color: var(--ink); font-weight: 720; text-underline-offset: 3px; }
.cta-panel { padding: clamp(30px,5vw,60px); border-radius: var(--radius-lg); background: #111315; color: #fff; display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; }
.cta-panel > div { max-width: 760px; }
.cta-panel .kicker { color: rgba(255,255,255,.65); margin-bottom: 20px; }
.cta-panel h2 { font-size: clamp(2.25rem,4.2vw,4rem); }
.cta-panel p { margin-bottom: 0; color: rgba(255,255,255,.66); }
.cta-panel .button.primary { color: var(--ink); background: #fff; border-color: #fff; flex: 0 0 auto; }
.service-intro { padding: 70px 0 12px; }
.service-intro h1 { font-size: clamp(2.95rem, 6.4vw, 6rem); margin-top: 18px; }
.service-intro .lead { max-width: 850px; }
.case-list { display: grid; gap: 18px; }
.case-study { display: grid; grid-template-columns: .32fr 1fr; gap: 28px; padding: clamp(28px,4.7vw,58px); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.case-index { color: var(--muted); font-size: .76rem; font-weight: 800; letter-spacing: .07em; }
.case-content h2 { font-size: clamp(2rem, 3.7vw, 3.5rem); margin-bottom: 20px; }
.case-content p { color: var(--muted); margin: 0 0 15px; }
.case-content p strong { color: var(--ink); }
.case-foot { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); font-size: .81rem; }
.case-foot span { color: var(--muted); }
.case-foot a { font-weight: 800; text-decoration: none; border-bottom: 1px solid var(--ink); }

@media (max-width: 1020px) {
  .service-hero-grid, .detail-grid { grid-template-columns: 1fr; }
  .service-side { min-height: 0; }
  .insight-panel, .cta-panel { flex-direction: column; align-items: stretch; }
  .insight-panel .button, .cta-panel .button { align-self: flex-start; }
}
@media (max-width: 900px) {
  nav.desktop-nav { display: none; }
  .mobile-menu { display: block; position: relative; margin-left: auto; }
  .mobile-menu summary { cursor: pointer; list-style: none; display: flex; align-items: center; gap: 10px; border-radius: 999px; color: #fff; background: var(--ink); padding: 10px 14px; font-size: .85rem; font-weight: 800; min-height: 42px; }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary:focus-visible { outline: 3px solid #888; outline-offset: 3px; }
  .mobile-menu .menu-bars { font-size: 1rem; line-height: 1; }
  .mobile-menu nav { position: absolute; top: calc(100% + 12px); right: 0; width: min(330px, calc(100vw - 42px)); padding: 12px; background: white; border: 1px solid var(--line); box-shadow: 0 22px 60px rgba(0,0,0,.16); border-radius: 19px; display: grid; z-index: 100; }
  .mobile-menu nav a { display: block; padding: 10px 12px; font-size: .87rem; text-decoration: none; border-radius: 10px; }
  .mobile-menu nav a:hover, .mobile-menu nav a:focus-visible { background: var(--bg); }
  .mobile-menu nav .mobile-menu-cta { text-align: center; background: var(--ink); color: white; margin-top: 5px; }
}
@media (max-width: 760px) {
  .nav { gap: 10px; }
  .brand { width: min(55vw,215px); }
  .service-hero { padding: 45px 0 24px; }
  .service-hero h1 { font-size: clamp(2.65rem, 12vw, 4rem); }
  .service-hero .eyebrow { line-height: 1.6; }
  .service-side { padding: 27px; border-radius: 24px; }
  .service-card { min-height: 0; }
  .service-card h3 { margin-top: 23px; }
  .preview-card { min-height: 0; }
  .case-study { grid-template-columns: 1fr; gap: 16px; }
  .case-content h2 { font-size: 2.05rem; }
  .cta-panel, .insight-panel { padding: 30px 24px; }
  .cta-panel .button, .insight-panel .button { width: 100%; }
  .service-intro { padding: 42px 0 0; }
}
/* Keep all content in the render tree for reliable deep links, print and screenshots. */
.section, .plugin-section, .contact, footer { content-visibility: visible; contain-intrinsic-size: none; }
/* Contain decorative marks on narrow screens. */
.about-aside { overflow: hidden; }
@media (max-width: 760px) { .about-mark, .hero-signet { display: none; } }


/* v1.4.1 – klarer Kundennutzen und Leistungsversprechen */
.text-light { font-weight: 320; }
.advantage-section { padding-top: 66px; padding-bottom: 64px; }
.advantage-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.advantage-item {
  min-width: 0; padding: clamp(24px, 3.4vw, 36px); border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--surface);
}
.advantage-index { display: block; margin-bottom: 28px; color: var(--muted); font-size: .72rem; font-weight: 800; letter-spacing: .11em; }
.advantage-item h3 { max-width: 480px; margin: 0 0 12px; font-size: clamp(1.37rem, 2.15vw, 2.1rem); line-height: 1.12; letter-spacing: -.035em; }
.advantage-item p { max-width: 590px; margin: 0; color: var(--muted); font-size: .96rem; }
.advantage-note { margin-top: 17px; padding: 20px 24px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.48); color: var(--muted); font-size: .91rem; }
.advantage-note strong { color: var(--ink); }
.contact-panel p.contact-benefit { margin-top: 18px; padding-left: 14px; border-left: 2px solid var(--ink); font-size: .92rem; color: #42423e; }
@media (max-width: 760px) {
  .advantage-section { padding-top: 42px; padding-bottom: 42px; }
  .advantage-grid { grid-template-columns: 1fr; }
  .advantage-index { margin-bottom: 16px; }
  .advantage-item { padding: 26px; }
  .advantage-note { padding: 18px; }
}

/* v1.4.2 – customer questions, contextual service links and custom 404 */
.faq-layout { display: grid; grid-template-columns: minmax(0,.82fr) minmax(0,1.18fr); align-items: start; gap: clamp(24px,5vw,76px); }
.faq-layout h2 { margin: 18px 0 18px; font-size: clamp(2rem,3.8vw,3.7rem); line-height: 1.08; }
.faq-layout > div:first-child p { color: var(--muted); font-size: 1rem; }
.faq-list { display: grid; gap: 12px; min-width: 0; }
.faq-list details { border: 1px solid var(--line); border-radius: 19px; padding: 0 23px; background: #fff; }
.faq-list summary { position: relative; list-style: none; cursor: pointer; font-weight: 750; padding: 21px 32px 21px 0; line-height: 1.35; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 0; top: 17px; font-size: 1.4rem; font-weight: 400; }
.faq-list details[open] summary::after { content: '−'; }
.faq-list details p { padding: 0 0 22px; margin: 0; color: var(--muted); font-size: .96rem; }
.faq-list details p a { text-decoration-thickness: 1px; text-underline-offset: 3px; color: var(--ink); font-weight: 650; }
.faq-list summary:focus-visible { outline: 3px solid rgba(9,9,9,.3); outline-offset: 3px; border-radius: 6px; }
.card p a { color: var(--ink); text-underline-offset: 3px; font-weight: 650; }
.missing-page { min-height: 65vh; }
@media (max-width: 880px) { .faq-layout { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .faq-list details { padding: 0 18px; } .faq-list summary { padding-block: 18px; } }