:root {
  --ink: #14181d;
  --ink-soft: #4a5560;
  --line: #e2e6ea;
  --bg: #ffffff;
  --bg-alt: #f6f8f9;
  --accent: #1f5f4f;
  --accent-dark: #17493c;
  --max: 68rem;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.wrap.narrow { max-width: 44rem; }

/* Kopf */
.top {
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(6px);
  z-index: 10;
}

.top .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
  flex-wrap: wrap;
}

.brand {
  font-weight: 650;
  font-size: 1.075rem;
  letter-spacing: -.01em;
  color: var(--ink);
  text-decoration: none;
}

.top nav { display: flex; gap: 1.5rem; }

.top nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: .95rem;
}

.top nav a:hover { color: var(--accent); }

/* Hero */
.hero { padding: 5.5rem 0 4.5rem; }

.hero h1 {
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  line-height: 1.18;
  letter-spacing: -.02em;
  font-weight: 660;
  max-width: 22ch;
}

.lead {
  margin-top: 1.5rem;
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 58ch;
}

.cta {
  display: inline-block;
  margin-top: 2.25rem;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: .85rem 1.6rem;
  border-radius: 6px;
  font-weight: 550;
}

.cta:hover { background: var(--accent-dark); }

/* Abschnitte */
section { padding: 4rem 0; }

section.alt {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

h2 {
  font-size: 1.6rem;
  letter-spacing: -.015em;
  font-weight: 620;
  margin-bottom: 2rem;
}

h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: .6rem;
}

/* Karten */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 2rem;
}

.cards article {
  border-top: 2px solid var(--accent);
  padding-top: 1.25rem;
}

.cards p { color: var(--ink-soft); }

/* Ablauf */
.steps {
  list-style: none;
  counter-reset: s;
  display: grid;
  gap: 1.75rem;
  max-width: 46rem;
}

.steps li {
  counter-increment: s;
  position: relative;
  padding-left: 3rem;
  color: var(--ink-soft);
}

.steps li::before {
  content: counter(s);
  position: absolute;
  left: 0;
  top: .1rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: .9rem;
  font-weight: 600;
}

.steps strong {
  display: block;
  color: var(--ink);
  font-weight: 600;
}

/* Kontakt */
.contact {
  margin-top: 1.5rem;
  font-size: 1.15rem;
}

.contact a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 550;
}

.contact a:hover { text-decoration: underline; }

.small {
  margin-top: 1.5rem;
  font-size: .9rem;
  color: var(--ink-soft);
}

/* Fließtext (Impressum, Datenschutz) */
.text { padding: 3.5rem 0 4.5rem; }
.text h1 { font-size: 1.9rem; letter-spacing: -.02em; margin-bottom: 2rem; }
.text h2 { font-size: 1.2rem; margin: 2.25rem 0 .75rem; }
.text p { margin-bottom: 1rem; color: var(--ink-soft); }
.text a { color: var(--accent); }
.text address { font-style: normal; color: var(--ink-soft); }

/* Fuß */
footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0;
  font-size: .9rem;
  color: var(--ink-soft);
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

footer nav { display: flex; gap: 1.5rem; }
footer a { color: var(--ink-soft); text-decoration: none; }
footer a:hover { color: var(--accent); }

@media (max-width: 34rem) {
  .hero { padding: 3.5rem 0 3rem; }
  .top .wrap { min-height: auto; padding-top: 1rem; padding-bottom: 1rem; }
}