:root {
  --bg: #f4f6f8;
  --surface: #ffffff;
  --ink: #16212c;
  --muted: #55636f;
  --line: #d9e0e6;
  --accent: #0e6a73;
  --accent-dark: #0a4f56;
  --term-bg: #12202b;
  --term-ink: #cfe3e6;
  --serif: Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1.0625rem/1.65 var(--sans);
}
a { color: var(--accent); }
a:hover { color: var(--accent-dark); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }

.wrap { width: min(68rem, 100% - 2.5rem); margin-inline: auto; }

/* Kopfbereich */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; min-height: 3.75rem; flex-wrap: wrap;
}
.brand {
  font-family: var(--serif); font-size: 1.3rem; font-weight: 700;
  color: var(--ink); text-decoration: none; letter-spacing: .01em;
}
.brand span { color: var(--accent); }
nav ul { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; flex-wrap: wrap; }
nav a { color: var(--ink); text-decoration: none; font-size: .95rem; padding: .25rem 0; border-bottom: 2px solid transparent; }
nav a:hover { border-bottom-color: var(--accent); color: var(--ink); }
.lang { font-size: .9rem; color: var(--muted); }

/* Einstieg */
.hero { padding: 5rem 0 4rem; background: var(--surface); border-bottom: 1px solid var(--line); }
.hero .wrap { display: grid; gap: 3rem; grid-template-columns: 1.15fr 1fr; align-items: center; }
h1 {
  font-family: var(--serif); font-weight: 700;
  font-size: clamp(2.1rem, 4.6vw, 3.3rem); line-height: 1.15;
  margin: 0 0 1.25rem; max-width: 18ch;
}
.lead { font-size: 1.2rem; color: var(--muted); max-width: 38rem; margin: 0 0 2rem; }
.btn {
  display: inline-block; padding: .8rem 1.5rem; border-radius: 4px;
  background: var(--accent); color: #fff; text-decoration: none; font-weight: 600;
}
.btn:hover { background: var(--accent-dark); color: #fff; }
.btn.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); margin-left: .75rem; }
.btn.ghost:hover { background: var(--accent); color: #fff; }

.terminal {
  background: var(--term-bg); color: var(--term-ink);
  font: .95rem/1.7 var(--mono);
  border-radius: 6px; padding: 1.5rem 1.6rem; overflow-x: auto;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .06) inset;
}
.terminal .p { color: #6fc3cb; }
.terminal .o { color: #9fb4ba; }
.terminal p { margin: 0; white-space: pre; }

/* Abschnitte */
section { padding: 4.5rem 0; }
section + section { border-top: 1px solid var(--line); }
h2 { font-family: var(--serif); font-size: 2rem; line-height: 1.2; margin: 0 0 1.5rem; }
h3 { font-size: 1.15rem; margin: 0 0 .5rem; }
.intro { max-width: 42rem; color: var(--muted); margin: 0 0 2.5rem; }

.grid { display: grid; gap: 2rem 2.5rem; grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.item { border-top: 3px solid var(--accent); padding-top: 1rem; }
.item p { margin: 0; color: var(--muted); }

.band { background: var(--surface); }
.clients { display: flex; flex-wrap: wrap; gap: .6rem; list-style: none; padding: 0; margin: 0; }
.clients li { border: 1px solid var(--line); border-radius: 999px; padding: .4rem 1.1rem; background: var(--bg); }

.contact { display: grid; gap: 2.5rem; grid-template-columns: 1fr 1fr; }
address { font-style: normal; }
dl { margin: 0; display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1.25rem; }
dt { color: var(--muted); }
dd { margin: 0; }

/* Fuß */
footer { background: var(--term-bg); color: #b9c8cd; padding: 2rem 0; font-size: .95rem; }
footer .wrap { display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
footer ul { display: flex; gap: 1.5rem; list-style: none; margin: 0; padding: 0; }
footer a { color: #dbe9ec; }

@media (max-width: 52rem) {
  .hero { padding: 3rem 0; }
  .hero .wrap, .contact { grid-template-columns: 1fr; }
  section { padding: 3.25rem 0; }
  .btn.ghost { margin: .75rem 0 0; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Profil und Projekte */
.facts { margin-top: 2.5rem; }
.timeline { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding: 0 0 2rem 1.75rem; }
.timeline li::before {
  content: ""; position: absolute; left: -7px; top: .45rem;
  width: 12px; height: 12px; border-radius: 50%; background: var(--accent);
}
.timeline p { margin: 0 0 .4rem; max-width: 46rem; }
.timeline .tech { font: .9rem/1.5 var(--mono); color: var(--muted); }