/* neumascan — Tinte auf Papier.
   Ein Akzent (Magenta) ausschließlich für Prüf-Semantik: „hier stimmt etwas nicht". */

:root {
  --paper: #f2f0ea;
  --paper-raised: #faf8f3;
  --paper-sunken: #e9e6dd;
  --ink: #2b211b;
  --ink-soft: #6d5f52;
  --line: rgba(43, 33, 27, 0.16);
  --line-strong: rgba(43, 33, 27, 0.38);
  --check: #cf0a6f;            /* Prüfmarkierung — sonst nirgends */
  --check-ink: #ffffff;
  --ok: #2b211b;               /* „stimmt" ist keine Farbe, sondern Ruhe */
  --serif: "EB Garamond", "Iowan Old Style", Georgia, serif;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
  --measure: 62ch;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #211a14;
    --paper-raised: #2a221b;
    --paper-sunken: #1a140f;
    --ink: #ece4d6;
    --ink-soft: #a8998a;
    --line: rgba(236, 228, 214, 0.18);
    --line-strong: rgba(236, 228, 214, 0.42);
    --check: #f0569f;
    --check-ink: #211a14;
  }
}
:root[data-theme="dark"] {
  --paper: #211a14;
  --paper-raised: #2a221b;
  --paper-sunken: #1a140f;
  --ink: #ece4d6;
  --ink-soft: #a8998a;
  --line: rgba(236, 228, 214, 0.18);
  --line-strong: rgba(236, 228, 214, 0.42);
  --check: #f0569f;
  --check-ink: #211a14;
}

* { box-sizing: border-box; margin: 0; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--ink); }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }

.wrap { max-width: 68rem; margin: 0 auto; padding: 0 1.5rem; }

/* ---------- Kopf ---------- */
header.site {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.25rem 0;
}
.brand { display: flex; align-items: center; gap: 0.65rem; text-decoration: none; }
.brand svg { display: block; }
.brand .mark { fill: var(--ink); }
.brand strong { font-family: var(--serif); font-size: 1.35rem; font-weight: 600; letter-spacing: 0.01em; }
.brand small { display: block; color: var(--ink-soft); font-size: 0.78rem; letter-spacing: 0.02em; }
nav.site a { margin-left: 1.4rem; font-size: 0.92rem; text-decoration: none; color: var(--ink-soft); }
nav.site a:hover { color: var(--ink); }

/* ---------- Titelplatte (Hero) ---------- */
.plate {
  text-align: center;
  padding: 4.5rem 1rem 3.5rem;
  border-top: 1px solid var(--line);
}
.plate .over {
  font-size: 0.8rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--ink-soft);
}
.plate h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.8rem, 7vw, 4.6rem);
  letter-spacing: 0.06em;
  margin-top: 1.2rem;
  text-wrap: balance;
}
.plate .tagline {
  font-family: var(--serif); font-style: italic;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  margin-top: 0.9rem;
}
.plate .sub {
  color: var(--ink-soft);
  max-width: 44ch; margin: 1.1rem auto 0;
  text-wrap: balance;
}
.rule {
  width: 12rem; margin: 1.6rem auto 0;
  border: 0; border-top: 1px solid var(--line-strong);
  position: relative;
}
.rule::after {
  content: ""; position: absolute; left: 15%; right: 15%; top: 3px;
  border-top: 1px solid var(--line);
}
.plate .cta { margin-top: 2.2rem; display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block; padding: 0.75rem 1.6rem;
  font: 500 0.98rem var(--sans);
  border: 1px solid var(--ink);
  background: var(--ink); color: var(--paper);
  text-decoration: none; cursor: pointer;
  border-radius: 2px;
}
.btn:hover { background: transparent; color: var(--ink); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; }

/* ---------- Abschnitte ---------- */
section { padding: 4rem 0; border-top: 1px solid var(--line); }
.kicker {
  font-size: 0.8rem; letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--ink-soft); margin-bottom: 0.8rem;
}
h2 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(1.7rem, 3.4vw, 2.3rem);
  text-wrap: balance;
}
.lede { max-width: var(--measure); color: var(--ink-soft); margin-top: 0.8rem; }

.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5rem; margin-top: 2.6rem; }
@media (max-width: 800px) { .cols3 { grid-template-columns: 1fr; } }
.cols3 h3 { font-family: var(--serif); font-weight: 600; font-size: 1.25rem; }
.cols3 p { color: var(--ink-soft); margin-top: 0.5rem; font-size: 0.98rem; }

/* Taktkonto-Miniatur */
.konto { display: flex; align-items: flex-end; gap: 5px; height: 42px; margin: 1rem 0 0.4rem; }
.konto i {
  width: 14px; height: 8px; background: var(--line-strong); border-radius: 1px;
}
.konto i.err { height: 34px; background: var(--check); }

/* ---------- Vier Schritte ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 2.4rem; counter-reset: step; }
@media (max-width: 800px) { .steps { grid-template-columns: repeat(2, 1fr); } }
.steps div { border-top: 2px solid var(--ink); padding-top: 0.9rem; }
.steps div::before {
  counter-increment: step; content: counter(step);
  font: 600 0.85rem var(--sans); font-variant-numeric: tabular-nums;
  color: var(--ink-soft); display: block; margin-bottom: 0.3rem;
}
.steps strong { font-family: var(--serif); font-size: 1.1rem; font-weight: 600; }
.steps p { font-size: 0.92rem; color: var(--ink-soft); margin-top: 0.35rem; }

/* ---------- Demo ---------- */
.demo-box {
  margin-top: 2.4rem; border: 1px dashed var(--line-strong); border-radius: 3px;
  background: var(--paper-raised); padding: 2.2rem; text-align: center;
}
.demo-box.dragover { border-color: var(--ink); background: var(--paper-sunken); }
.demo-box p.hint { color: var(--ink-soft); font-size: 0.95rem; margin-top: 0.5rem; }
.meter {
  display: inline-flex; align-items: baseline; gap: 0.55rem;
  margin-top: 1.2rem; padding: 0.45rem 0.9rem;
  background: var(--paper-sunken); border-radius: 2px;
  font-variant-numeric: tabular-nums; font-size: 0.95rem;
}
.meter b { font-weight: 600; }
.meter.bad b { color: var(--check); }
.status { margin-top: 1.2rem; font-size: 0.98rem; min-height: 1.5em; }
.status.err { color: var(--check); font-weight: 500; }

.result { margin-top: 2rem; text-align: left; display: none; }
.result.show { display: block; }
.result .konto { height: 46px; }
.result .konto i { cursor: default; }
#viewer { margin-top: 1.4rem; background: var(--paper-raised); border: 1px solid var(--line); border-radius: 3px; padding: 1rem; overflow-x: auto; }
#viewer svg { max-width: 100%; height: auto; }
.result .dl { margin-top: 1.4rem; display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
.result .dl small { color: var(--ink-soft); }

/* ---------- Auflösungstabelle ---------- */
table.res { border-collapse: collapse; margin-top: 2rem; width: 100%; max-width: 34rem; font-variant-numeric: tabular-nums; }
table.res th, table.res td { text-align: left; padding: 0.6rem 1rem 0.6rem 0; border-bottom: 1px solid var(--line); font-size: 0.98rem; }
table.res th { font: 500 0.8rem var(--sans); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-soft); }
table.res td.flag { color: var(--check); font-weight: 500; }

/* ---------- FAQ ---------- */
.faq { max-width: var(--measure); margin-top: 2rem; }
.faq details { border-bottom: 1px solid var(--line); padding: 1rem 0; }
.faq summary { font-family: var(--serif); font-size: 1.15rem; font-weight: 600; cursor: pointer; }
.faq details p { color: var(--ink-soft); margin-top: 0.6rem; }

/* ---------- Fuß ---------- */
footer.site {
  border-top: 1px solid var(--line); padding: 2.5rem 0 3rem;
  display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
  color: var(--ink-soft); font-size: 0.92rem;
}
footer.site nav { display: flex; gap: 1.4rem; }
footer.site a { text-decoration: none; }
footer.site a:hover { text-decoration: underline; }

/* ---------- Rechtstexte ---------- */
main.legal { max-width: var(--measure); margin: 0 auto; padding: 3rem 1.5rem 5rem; }
main.legal h1 { font-family: var(--serif); font-weight: 500; font-size: 2rem; margin-bottom: 1.4rem; }
main.legal h2 { font-size: 1.25rem; margin: 2rem 0 0.6rem; }
main.legal p { margin-top: 0.7rem; }
main.legal .todo { background: var(--paper-sunken); border-left: 3px solid var(--check); padding: 0.8rem 1rem; margin-top: 1rem; }