:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #1d2220;
  --ink-soft: #3d4643;
  --line: #e2ded6;
  --accent: #1f6f5f;
  --accent-soft: #e8f2ef;
  --radius: 14px;
  --max: 62rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141817;
    --surface: #1b211f;
    --ink: #eef2f0;
    --ink-soft: #bec8c4;
    --line: #2c3533;
    --accent: #6fd0b6;
    --accent-soft: #1f2f2b;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }

h1, h2, h3 { line-height: 1.2; letter-spacing: -0.015em; margin: 0 0 0.5rem; }
h1 { font-size: clamp(2rem, 4.5vw, 3rem); }
h2 { font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1rem; }

.lead { font-size: 1.12rem; color: var(--ink-soft); max-width: 42rem; }
.small { font-size: 0.9rem; color: var(--ink-soft); }

/* Header */
.site-header {
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.9rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
  font-size: 1.05rem;
}
.brand-mark {
  width: 1.6rem;
  height: 1.6rem;
  flex: none;
  border-radius: 7px;
  background: var(--accent);
  color: var(--bg);
  display: grid;
  place-items: center;
  font-size: 0.85rem;
  font-weight: 700;
}
.nav { display: flex; gap: 1.1rem; font-size: 0.94rem; }
.nav a { color: var(--ink-soft); text-decoration: none; }
.nav a:hover { color: var(--accent); }

.btn.header-cta { display: none; }
@media (max-width: 640px) {
  .nav { display: none; }
  .btn.header-cta {
    display: inline-block;
    padding: 0.45rem 0.9rem;
    font-size: 0.88rem;
    border-radius: 9px;
  }
}

/* Sections */
section { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
section + section { border-top: 1px solid var(--line); }

/* Hero */
.hero-sub { margin: -0.4rem 0 1.6rem; }
.hero { padding-block: clamp(3rem, 8vw, 5.5rem); }
.hero .lead { margin-bottom: 1.75rem; }
.eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 99px;
  padding: 0.25rem 0.75rem;
  margin-bottom: 1rem;
}

@media (max-width: 640px) {
  .eyebrow { font-size: 0.72rem; letter-spacing: 0.05em; padding: 0.2rem 0.6rem; }
}

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }.btn {
  display: inline-block;
  padding: 0.7rem 1.25rem;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.96rem;
}
.btn:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent-soft); filter: none; }

/* Cards */
.grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  margin-top: 1.75rem;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.card-media {
  display: block;
  flex: 0 0 auto;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--accent-soft);
}
.card-body { padding: 1.4rem; }
.card-media { border-bottom: 1px solid var(--line); }
.card h3 { margin-bottom: 0.45rem; }
.card ul { margin: 0.6rem 0 0; padding-left: 1.1rem; color: var(--ink-soft); font-size: 1rem; }
.card li { margin-bottom: 0.25rem; }
.card li:last-child { margin-bottom: 0; }

/* Beispiele */
.examples {
  display: grid; gap: 0.8rem; margin: 1.5rem 0 0; padding: 0; list-style: none;
}
@media (min-width: 760px) { .examples { grid-template-columns: repeat(2, 1fr); gap: 0.8rem 1.5rem; } }
.examples li {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  padding: 0.85rem 1.1rem;
}

/* Steps */
.steps { counter-reset: step; display: grid; gap: 1rem; margin-top: 1.75rem; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(2, 1fr); gap: 1.9rem 2.5rem; max-width: 48rem; } }
.step { position: relative; padding-left: 3rem; }
.step::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1rem;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.95rem;
}

/* Facts */
.facts { display: grid; gap: 0.9rem; margin-top: 1.5rem; padding: 0; list-style: none; }
.facts li { padding-left: 1.6rem; position: relative; color: var(--ink-soft); }
.facts li::before { content: "—"; position: absolute; left: 0; color: var(--accent); }
.facts li strong { color: var(--ink); }

/* Contact */
.contact-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(1.4rem, 4vw, 2.2rem);
  margin-top: 1.5rem;
}
.contact-box dl { display: grid; grid-template-columns: max-content 1fr; gap: 0.5rem 1.5rem; margin: 0; }
.contact-box dt { color: var(--ink-soft); font-size: 0.94rem; }
.contact-box dd { margin: 0; font-weight: 600; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding-block: 2rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 0.75rem 1.5rem; justify-content: space-between; }
.site-footer a { color: var(--ink-soft); }

/* Legal pages */
.legal { max-width: 46rem; padding-block: clamp(2rem, 5vw, 3.5rem); }
.legal h1 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.legal h2 { font-size: 1.15rem; margin-top: 2rem; }
.legal ul { color: var(--ink-soft); }

.notice {
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  padding: 0.9rem 1.1rem;
  border-radius: 0 10px 10px 0;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

@media (max-width: 640px) {
  .card-media { aspect-ratio: 16 / 10; }
}