/* viktor-schneider.com - dunkles, technisches Layout, eine Datei, kein Build */

:root {
  --bg:        #0b0f14;
  --bg-soft:   #111823;
  --bg-raise:  #151e2b;
  --line:      #1f2a3a;
  --text:      #dbe3ec;
  --muted:     #8494a6;
  --accent:    #5fd3bc;
  --accent-dim:#2b6f63;
  --accent-bg: rgba(95, 211, 188, 0.10);

  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  --wrap: 46rem;
  --step: 1.6rem;
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1rem/1.7 var(--sans);
  letter-spacing: 0.005em;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 1.5rem;
}

/* ---------- Kopfzeile ---------- */

.site-header {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(var(--bg-soft), var(--bg));
}

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

.wordmark {
  font: 600 0.95rem/1 var(--mono);
  letter-spacing: 0.02em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
}

.wordmark::before {
  content: "> ";
  color: var(--accent);
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.4rem 0.7rem;
  border-radius: 0.35rem;
  transition: color 0.15s, background 0.15s;
}

.nav a:hover { color: var(--text); background: var(--bg-raise); }
.nav a.active { color: var(--accent); }

.nav a.ext::after {
  content: "\2197";
  font-size: 0.75em;
  margin-left: 0.25em;
  opacity: 0.6;
}

.nav .lang {
  font: 500 0.75rem/1 var(--mono);
  letter-spacing: 0.08em;
  margin-left: 0.4rem;
  padding: 0.4rem 0.55rem;
  border: 1px solid var(--line);
}

.nav .lang:hover { border-color: var(--accent-dim); color: var(--accent); }

/* ---------- Inhalt ---------- */

main {
  flex: 1;
  padding-block: 3.5rem 4.5rem;
}

h1, h2, h3, h4 {
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0 0 0.6em;
  font-weight: 650;
}

h1 { font-size: clamp(1.9rem, 1.4rem + 2.2vw, 2.7rem); }
h2 { font-size: 1.4rem; margin-top: 2.5rem; }
h3 { font-size: 1.1rem; margin-top: 2rem; }

p, ul, ol, pre, blockquote, table { margin: 0 0 var(--step); }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: #7fe4d0; }

ul, ol { padding-left: 1.2rem; }
li { margin-bottom: 0.4rem; }
li::marker { color: var(--accent-dim); }

hr { border: 0; border-top: 1px solid var(--line); margin: 3rem 0; }

blockquote {
  border-left: 2px solid var(--accent-dim);
  padding: 0.2rem 0 0.2rem 1.1rem;
  color: var(--muted);
  font-style: italic;
}

code {
  font: 0.875em/1.5 var(--mono);
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 0.3rem;
  padding: 0.1em 0.35em;
}

pre {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  padding: 1rem 1.1rem;
  overflow-x: auto;
}

pre code { background: none; border: 0; padding: 0; font-size: 0.85rem; }

img { max-width: 100%; height: auto; border-radius: 0.5rem; }

.muted { color: var(--muted); }

/* ---------- Startseite ---------- */

.hero { margin-bottom: 3.5rem; }

.hero .kicker {
  font: 500 0.75rem/1 var(--mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.hero h1 { margin-bottom: 0.35em; }

.hero .tagline {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 1.6rem;
}

.lead { font-size: 1.08rem; }

/* ---------- Bausteine ---------- */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
  margin-bottom: var(--step);
  padding: 0;
  list-style: none;
}

.card {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  padding: 1.2rem 1.3rem;
  margin: 0;
}

.card h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.card p  { margin: 0; color: var(--muted); font-size: 0.95rem; }

.facts { list-style: none; padding: 0; }

.facts li {
  display: flex;
  gap: 0.9rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
  margin: 0;
}

.facts .label {
  font: 500 0.75rem/1.9 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-dim);
  flex: 0 0 8.5rem;
}

.btn {
  display: inline-block;
  font: 500 0.9rem/1 var(--sans);
  color: var(--accent);
  background: var(--accent-bg);
  border: 1px solid var(--accent-dim);
  border-radius: 0.4rem;
  padding: 0.75rem 1.2rem;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

.btn:hover { background: rgba(95, 211, 188, 0.18); border-color: var(--accent); }

/* ---------- Blog ---------- */

.post-list { list-style: none; padding: 0; }

.post-item {
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
  margin: 0;
}

.post-item time {
  font: 500 0.75rem/1 var(--mono);
  letter-spacing: 0.08em;
  color: var(--muted);
}

.post-item h2 { font-size: 1.15rem; margin: 0.5rem 0 0.4rem; }
.post-item h2 a { color: var(--text); text-decoration: none; }
.post-item h2 a:hover { color: var(--accent); }
.post-item p { margin: 0; color: var(--muted); font-size: 0.95rem; }

.post-meta {
  font: 500 0.8rem/1 var(--mono);
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.post-meta a { color: var(--muted); }
.post-meta a:hover { color: var(--accent); }

/* ---------- Fußzeile ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--bg-soft);
  padding-block: 1.6rem;
  font-size: 0.875rem;
  color: var(--muted);
}

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

.site-footer p { margin: 0; }
.footer-nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.footer-nav a { color: var(--muted); text-decoration: none; }
.footer-nav a:hover { color: var(--accent); }

/* ---------- Zugänglichkeit ---------- */

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--bg);
  padding: 0.6rem 1rem;
  z-index: 10;
}

.skip:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 0.2rem;
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

@media (max-width: 34rem) {
  .header-inner { min-height: 0; padding-block: 0.8rem; }
  .nav a { padding: 0.35rem 0.5rem; }
  .facts li { flex-direction: column; gap: 0.1rem; }
  .facts .label { flex: none; line-height: 1.4; }
}