:root {
  --ground: #F6F8F5;
  --surface: #FFFFFF;
  --ink: #17231F;
  --muted: #5A6A64;
  --line: #D6DDD8;
  --accent: #0E6D69;
  --accent-soft: #E1F0EE;
  --mark: #B97F0E;
  --mark-soft: #F7EBCF;
  --warn: #A33A2C;
  --warn-soft: #F8E4E0;
  --code-bg: #EDF1EE;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #0F1715;
    --surface: #16201D;
    --ink: #E4EBE7;
    --muted: #AAB8B2;
    --line: #27332F;
    --accent: #43B5AE;
    --accent-soft: #14302E;
    --mark: #E2A83B;
    --mark-soft: #33280F;
    --warn: #E07A6A;
    --warn-soft: #3A1B16;
    --code-bg: #1C2724;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  font-size: 17px;
  line-height: 1.55;
}

a { color: var(--accent); }

.page {
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px 24px 88px;
}

.toppnav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 46px;
}

.toppnav a {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 12px;
  padding: 6px 12px;
  text-decoration: none;
}

.toppnav a:hover,
.toppnav a.aktiv {
  border-color: var(--accent);
  color: var(--accent);
}

.eyebrow {
  color: var(--accent);
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 12px;
  letter-spacing: .13em;
  margin-bottom: 10px;
  text-transform: uppercase;
}

h1, h2, h3 {
  font-family: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  line-height: 1.08;
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: clamp(2.4rem, 6vw, 4.6rem); letter-spacing: -.025em; }
h2 { font-size: clamp(1.65rem, 3.5vw, 2.35rem); margin-bottom: 10px; }
h3 { font-size: 1.15rem; margin-bottom: 6px; }
section > h3 { margin-top: 30px; }

.lede {
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  margin: 18px 0 0;
  max-width: 68ch;
}

.hero {
  border-bottom: 1px solid var(--line);
  padding-bottom: 34px;
}

.facts {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-top: 28px;
}

.fact {
  border-left: 3px solid var(--accent);
  padding: 8px 14px;
}

.fact b {
  display: block;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.fact span { color: var(--muted); display: block; font-size: 14px; margin-top: 3px; }

section { margin-top: 48px; }
section > .intro { color: var(--muted); max-width: 72ch; }

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  margin-top: 18px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.card p { margin: 0; }
.card .small { color: var(--muted); font-size: .92rem; }

.steps {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.step {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 18px;
  grid-template-columns: 54px 1fr;
  padding: 20px;
}

.step-number {
  align-items: center;
  background: var(--accent-soft);
  border-radius: 50%;
  color: var(--accent);
  display: flex;
  font-family: "Bricolage Grotesque", system-ui, sans-serif;
  font-size: 1.45rem;
  font-weight: 700;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.step h3 { margin-top: 1px; }
.step p:last-child { margin-bottom: 0; }

.meta {
  color: var(--muted);
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 12px;
  margin: 0 0 8px;
}

code, .mono {
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: .88em;
}

code {
  background: var(--code-bg);
  border-radius: 3px;
  padding: 1px 5px;
}

pre {
  background: var(--code-bg);
  border-radius: 6px;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: .82rem;
  line-height: 1.5;
  margin: 12px 0 0;
  overflow-x: auto;
  padding: 14px 16px;
}

.callout {
  background: var(--mark-soft);
  border-left: 4px solid var(--mark);
  border-radius: 0 6px 6px 0;
  margin-top: 18px;
  padding: 13px 16px;
}

.callout.warn {
  background: var(--warn-soft);
  border-color: var(--warn);
}

.callout b {
  display: block;
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 12px;
  letter-spacing: .08em;
  margin-bottom: 3px;
  text-transform: uppercase;
}

.checklist {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.checklist li {
  border-bottom: 1px solid var(--line);
  padding: 10px 0 10px 28px;
  position: relative;
}

.checklist li::before {
  border: 2px solid var(--accent);
  border-radius: 3px;
  content: "";
  height: 13px;
  left: 2px;
  position: absolute;
  top: 15px;
  width: 13px;
}

.tablewrap { overflow-x: auto; }

table {
  border-collapse: collapse;
  font-size: .94rem;
  margin-top: 16px;
  width: 100%;
}

th, td {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px 10px 0;
  text-align: left;
  vertical-align: top;
}

th {
  color: var(--muted);
  font-family: "IBM Plex Mono", Consolas, monospace;
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 58px;
  padding-top: 18px;
}

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

@media (max-width: 620px) {
  .page { padding-left: 16px; padding-right: 16px; }
  .toppnav { margin-bottom: 34px; }
  .step { grid-template-columns: 1fr; gap: 10px; }
}