:root {
  --blue: #0b61ff;
  --blue-dark: #001970;
  --blue-soft: #5b66d9;
  --ink: #07142f;
  --muted: #27344f;
  --line: #d9e7fb;
  --surface: rgba(255,255,255,.94);
  --shadow: 0 16px 40px rgba(45, 86, 145, .14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 104px; }
body {
  margin: 0;
  color: var(--ink);
  background: #f9fcff;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, Helvetica, sans-serif;
  line-height: 1.5;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
.shell { width: min(1340px, calc(100% - 48px)); margin: 0 auto; }

#start, #abschied, #historie, #kontakt { scroll-margin-top: 104px; }

.site-header {
  height: 90px;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 10% 0%, rgba(118, 181, 255, .38), transparent 34%),
    radial-gradient(circle at 88% 100%, rgba(103, 120, 229, .22), transparent 38%),
    linear-gradient(110deg, rgba(250, 253, 255, .98) 0%, rgba(226, 241, 255, .98) 48%, rgba(211, 229, 255, .98) 100%);
  border-bottom: 1px solid rgba(137, 175, 224, .48);
  box-shadow: 0 8px 24px rgba(36, 82, 145, .10);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.wordmark {
  display: inline-flex;
  align-items: baseline;
  color: #172b87;
  font-family: "Arial Black", "Helvetica Neue", Arial, Helvetica, sans-serif;
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 700;
  line-height: .9;
  letter-spacing: -.065em;
  text-decoration: none;
  white-space: nowrap;
  text-rendering: geometricPrecision;
}
.wordmark-main { color: #172b87; }
.wordmark-domain { color: #6865d8; }
nav { display: flex; align-items: center; gap: clamp(24px, 4vw, 54px); }
nav a {
  position: relative;
  text-decoration: none;
  font-size: 17px;
  font-weight: 600;
  color: #17233d;
  padding: 30px 0 26px;
  text-shadow: 0 1px 0 rgba(255,255,255,.7);
}
nav a:hover, nav a.active { color: var(--blue); }
nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 12px;
  height: 3px;
  border-radius: 99px;
  background: var(--blue);
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 20px;
  min-height: 615px;
  background:
    radial-gradient(circle at 82% 12%, rgba(30, 128, 255, .48), transparent 34%),
    radial-gradient(circle at 17% 74%, rgba(64, 159, 255, .34), transparent 40%),
    radial-gradient(circle at 52% 44%, rgba(123, 193, 255, .24), transparent 46%),
    linear-gradient(135deg, #ffffff 0%, #e1f0ff 42%, #c8e4ff 72%, #b9dcff 100%);
}
.tech-pattern {
  position: absolute;
  inset: 0;
  opacity: .68;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 28% 25%, transparent 0 85px, rgba(66,132,225,.20) 86px 88px, transparent 89px),
    radial-gradient(circle at 83% 42%, transparent 0 180px, rgba(66,132,225,.14) 181px 183px, transparent 184px),
    repeating-linear-gradient(22deg, transparent 0 54px, rgba(87,149,231,.07) 55px, transparent 56px 110px),
    repeating-linear-gradient(112deg, transparent 0 70px, rgba(87,149,231,.06) 71px, transparent 72px 140px);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: .72fr 1.38fr;
  gap: 48px;
  align-items: center;
}
.hero-copy { padding: 22px 0 0 10px; }
.hero-copy h1 {
  margin: 0;
  font-size: clamp(49px, 5vw, 72px);
  line-height: 1.28;
  letter-spacing: -3px;
  font-weight: 800;
}
.hero-copy p {
  max-width: 420px;
  margin: 25px 0 34px;
  font-size: 20px;
  line-height: 1.55;
  color: #23314a;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
  color: var(--blue);
  font-size: 19px;
  font-weight: 600;
}
.text-link span { font-size: 30px; line-height: 1; }
.text-link.compact { margin: 2px 0 0 46px; font-size: 15px; }
.text-link.compact span { font-size: 23px; }

.browser {
  margin: 0;
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
  border: 1px solid rgba(194,210,232,.8);
  overflow: hidden;
}
.browser-top {
  height: 44px;
  display: grid;
  grid-template-columns: auto auto auto 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 0 16px;
  background: linear-gradient(#f8fafc, #edf2f7);
  border-bottom: 1px solid #dce4ee;
}
.dot { width: 11px; height: 11px; border-radius: 50%; }
.red { background: #ff5f57; }
.yellow { background: #febc2e; }
.green { background: #28c840; }
.address {
  justify-self: center;
  width: min(72%, 470px);
  padding: 6px 14px;
  border-radius: 14px;
  background: #fff;
  text-align: center;
  font-size: 13px;
  color: #2d3b50;
  box-shadow: inset 0 0 0 1px #dfe6ef;
}
.lock { margin-right: 8px; color: #728198; }
.reload { color: #61718a; font-size: 19px; }
.browser-viewport { background: #fff; }
.browser-viewport img { width: 100%; height: auto; }

.cards-section {
  position: relative;
  padding: 0 0 20px;
  margin-top: -2px;
  background:
    radial-gradient(circle at 14% 10%, rgba(47, 139, 255, .20), transparent 30%),
    linear-gradient(180deg, #c9e5ff 0%, #e4f2ff 42%, #f7fbff 100%);
}
.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  align-items: stretch;
}
.card {
  min-height: 260px;
  padding: 26px 30px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 10px 28px rgba(76,119,178,.10);
}
.card h2 { margin: 0; font-size: 17px; }
.rule { height: 2px; margin: 8px 0 14px; background: linear-gradient(90deg, var(--blue), #6fa3ff); }
.quote-card { display: flex; flex-direction: column; justify-content: center; padding-left: 78px; position: relative; }
.quote-mark { position: absolute; left: 28px; top: 18px; font-size: 68px; line-height: 1; color: var(--blue); font-weight: 800; }
.quote-card p { margin: 0 0 28px; font-size: 17px; line-height: 1.7; }
.quote-card strong { color: var(--blue); font-size: 16px; }
.info-row { display: grid; grid-template-columns: 34px 1fr; gap: 12px; margin-bottom: 10px; }
.icon {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border: 2px solid #0b1736;
  border-radius: 50%;
  font-weight: 800;
}
.info-row:nth-of-type(3) .icon,
.info-row:nth-of-type(4) .icon { border: 0; font-size: 28px; }
.info-row strong { display: block; font-size: 14px; }
.info-row p { margin: 1px 0 0; font-size: 13px; color: #25334a; }
.contact-card dl { margin: 0; display: grid; gap: 7px; }
.contact-card dl > div { display: grid; grid-template-columns: 122px 1fr; gap: 10px; }
.contact-card dt { font-weight: 700; font-size: 13px; }
.contact-card dd { margin: 0; font-size: 13px; color: #25334a; }
.contact-card a { text-decoration: none; color: #25334a; }



.site-footer {
  padding: 18px 0 22px;
  text-align: center;
  color: #53617a;
  background: #f9fcff;
  font-size: 15px;
}

@media (max-width: 1050px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { padding: 10px 0; text-align: center; }
  .hero-copy p { margin-left: auto; margin-right: auto; }
  .browser { max-width: 900px; margin-inline: auto; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .contact-card { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 150px; }
  #start, #abschied, #historie, #kontakt { scroll-margin-top: 150px; }
  .shell { width: min(100% - 24px, 1340px); }
  .site-header { height: auto; padding: 18px 0; }
  .header-inner { flex-direction: column; }
  .wordmark {
    font-size: 2rem;
    letter-spacing: -.055em;
  }
  nav { gap: 18px; flex-wrap: wrap; justify-content: center; }
  nav a { padding: 6px 0 10px; font-size: 15px; }
  nav a.active::after { bottom: 2px; }
  .hero-copy h1 { font-size: 46px; letter-spacing: -2px; }
  .hero-copy p { font-size: 17px; }
  .browser-top { grid-template-columns: auto auto auto 1fr; }
  .reload { display: none; }
  .address { width: 100%; font-size: 11px; }
  .card-grid { grid-template-columns: 1fr; }
  .contact-card { grid-column: auto; }
  .card { min-height: auto; }
  .contact-card dl > div { grid-template-columns: 1fr; gap: 2px; }
}