/* Rechnungsreif — CI „Schreibtisch“: warm, menschlich, dokumentenhaft.
   Petrol auf warmem Papier, Zilla Slab für Überschriften, Karla für Text. */
/* Schriften lokal (SIL Open Font License), kein Abruf bei Google: Datenschutz und ein Roundtrip weniger. */
@font-face { font-family: "Karla"; font-style: normal; font-weight: 400 700; font-display: swap; src: url("/fonts/karla-latin.woff2") format("woff2"); }
@font-face { font-family: "Zilla Slab"; font-style: normal; font-weight: 500; font-display: swap; src: url("/fonts/zillaslab-500-latin.woff2") format("woff2"); }
@font-face { font-family: "Zilla Slab"; font-style: normal; font-weight: 600; font-display: swap; src: url("/fonts/zillaslab-600-latin.woff2") format("woff2"); }
@font-face { font-family: "Zilla Slab"; font-style: normal; font-weight: 700; font-display: swap; src: url("/fonts/zillaslab-700-latin.woff2") format("woff2"); }

:root {
  --bg: #F8F4EC;
  --surface: #FFFFFF;
  --ink: #2B2A26;
  --ink-soft: #5E5B52;
  --ink-faint: #8F8B80;
  --line: #E5DFD2;
  --accent: #156873;
  --accent-deep: #0E4F58;
  --accent-soft: #DDEDEF;
  --ok: #2E8B57;
  --warn: #9A6A1F;
  --warn-soft: #F6EBD6;
  --error: #9C3B2E;
  --error-soft: #F6E4DF;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.62 Karla, -apple-system, "Segoe UI", system-ui, sans-serif;
}
.shell { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem 5rem; }
header.top {
  display: flex; align-items: baseline; gap: 1.5rem;
  padding: 1.4rem 0 1.1rem; margin-bottom: 2rem;
}
.brand { font-family: "Zilla Slab", Georgia, serif; font-weight: 700; font-size: 1.45rem; text-decoration: none; color: var(--accent-deep); }
.brand b { color: var(--accent-deep); font-weight: 700; }
header.top nav { margin-left: auto; display: flex; gap: 1.5rem; flex-wrap: wrap; }
header.top nav a { color: var(--ink-soft); text-decoration: none; font-size: 0.95rem; font-weight: 500; }
header.top nav a:hover, header.top nav a[aria-current] { color: var(--accent); }

h1 { font-family: "Zilla Slab", Georgia, serif; font-weight: 700; font-size: clamp(1.7rem, 4vw, 2.5rem); line-height: 1.15; margin: 0 0 0.6rem; }
h1 em, .mark { font-style: normal; color: var(--accent); border-bottom: 4px solid var(--accent-soft); }
.sub { color: var(--ink-soft); max-width: 44rem; margin: 0 0 2rem; font-size: 1.05rem; }
h2 { font-family: "Zilla Slab", Georgia, serif; font-weight: 700; font-size: 1.35rem; margin: 0 0 0.8rem; }
h3 { font-family: "Zilla Slab", Georgia, serif; font-weight: 600; font-size: 1.1rem; margin: 1.6rem 0 0.5rem; }

.hidden { display: none !important; }

/* Upload */
.dropzone {
  border: 2px dashed var(--accent); background: var(--surface); border-radius: 12px;
  padding: 3rem 2rem; text-align: center; cursor: pointer; transition: background 0.15s, box-shadow 0.15s;
}
.dropzone.drag, .dropzone:hover { background: var(--accent-soft); box-shadow: 0 14px 30px -18px rgba(21, 104, 115, 0.45); }
.dropzone p { margin: 0.3rem 0; color: var(--ink-soft); }
.dropzone .big { font-family: "Zilla Slab", serif; font-size: 1.25rem; color: var(--ink); font-weight: 600; }
.format-row { display: flex; gap: 1rem; margin: 1.2rem 0 0; flex-wrap: wrap; }
.format-row label {
  flex: 1; min-width: 16rem; display: block; border: 1.5px solid var(--line); border-radius: 12px;
  background: var(--surface); padding: 0.9rem 1.1rem; cursor: pointer;
}
.format-row label:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.format-row input { margin-right: 0.5rem; accent-color: var(--accent); }
.format-row .d { display: block; color: var(--ink-faint); font-size: 0.85rem; margin-top: 0.2rem; }
.trust { display: flex; gap: 1.4rem 1.8rem; flex-wrap: wrap; margin-top: 1.4rem; color: var(--ink-faint); font-size: 0.86rem; }

/* Status / Spinner */
.status-box { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 2.5rem; text-align: center; }
.spinner {
  width: 2.2rem; height: 2.2rem; margin: 0 auto 1rem; border-radius: 50%;
  border: 3px solid var(--accent-soft); border-top-color: var(--accent); animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 3s; } }

/* Review-Layout */
.review { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: 1.5rem; align-items: start; }
@media (max-width: 900px) { .review { grid-template-columns: 1fr; } }
.pdf-pane { position: sticky; top: 1rem; }
.pdf-pane embed { width: 100%; height: 82vh; border: 1px solid var(--line); border-radius: 12px; background: #4B4A46; }

.banner { border-radius: 10px; padding: 0.8rem 1.1rem; margin-bottom: 1rem; font-size: 0.95rem; }
.banner.warn { background: var(--warn-soft); color: var(--warn); }
.banner.error { background: var(--error-soft); color: var(--error); }
.banner.ok { background: var(--accent-soft); color: var(--accent-deep); }

fieldset {
  border: 1px solid var(--line); border-radius: 12px; background: var(--surface);
  padding: 1rem 1.2rem 1.2rem; margin: 0 0 1rem;
}
legend { font-family: "Zilla Slab", serif; font-weight: 600; font-size: 1rem; padding: 0 0.4rem; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem 1rem; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.7rem 1rem; }
@media (max-width: 640px) { .grid2, .grid3 { grid-template-columns: 1fr; } }
.f { display: flex; flex-direction: column; gap: 0.25rem; min-width: 0; }
.f > span { font-size: 0.78rem; color: var(--ink-faint); font-weight: 700; letter-spacing: 0.02em; }
.f input, .f select {
  border: 1.5px solid var(--line); border-radius: 8px; padding: 0.5rem 0.65rem;
  font: inherit; font-size: 0.95rem; background: var(--surface); color: var(--ink); width: 100%;
}
.f input:focus, .f select:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.f.missing input, .f.missing select { border-color: var(--warn); background: var(--warn-soft); }
.f.missing > span::after { content: " · fehlt"; color: var(--warn); }
.hint { font-size: 0.82rem; color: var(--ink-faint); margin: 0.4rem 0 0; }

/* Positionen */
table.lines { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
table.lines th { text-align: left; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-faint); padding: 0.3rem 0.35rem; }
table.lines td { padding: 0.2rem 0.25rem; }
table.lines input, table.lines select { width: 100%; border: 1.5px solid var(--line); border-radius: 7px; padding: 0.35rem 0.45rem; font: inherit; font-size: 0.88rem; }
table.lines td.num input { text-align: right; font-variant-numeric: tabular-nums; }
.row-del { background: none; border: none; color: var(--ink-faint); cursor: pointer; font-size: 1rem; padding: 0.2rem; }
.row-del:hover { color: var(--error); }
.add-line { background: none; border: 1.5px dashed var(--line); border-radius: 8px; padding: 0.4rem 0.9rem; cursor: pointer; color: var(--ink-soft); font: inherit; font-size: 0.88rem; margin-top: 0.5rem; }
.add-line:hover { border-color: var(--accent); color: var(--accent); }

.totals { display: flex; gap: 2rem; justify-content: flex-end; font-variant-numeric: tabular-nums; margin-top: 0.8rem; flex-wrap: wrap; }
.totals div { text-align: right; }
.totals span { display: block; font-size: 0.75rem; color: var(--ink-faint); }
.totals b { font-size: 1.05rem; font-family: "Zilla Slab", serif; }

.actions { display: flex; gap: 0.8rem; align-items: center; margin-top: 1.2rem; flex-wrap: wrap; }
button.primary, .btn {
  background: var(--accent); color: #fff; border: none; border-radius: 9px;
  padding: 0.75rem 1.6rem; font: inherit; font-weight: 700; cursor: pointer; text-decoration: none; display: inline-block;
}
button.primary:hover, .btn:hover { background: var(--accent-deep); }
button.primary:disabled { background: var(--ink-faint); cursor: wait; }
button.ghost { background: var(--accent-soft); border: none; border-radius: 9px; padding: 0.75rem 1.3rem; font: inherit; font-weight: 700; cursor: pointer; color: var(--accent-deep); }
button.ghost:hover { background: #CBE2E6; }

/* Ergebnis / Prüfbericht */
.result-card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 2rem; }
.dl { display: inline-block; background: var(--accent); color: #fff; text-decoration: none; border-radius: 9px; padding: 0.8rem 1.6rem; font-weight: 700; }
.dl:hover { background: var(--accent-deep); }
.report { margin-top: 1.2rem; }
.msg { border-left: 3px solid var(--line); padding: 0.4rem 0.9rem; margin: 0.4rem 0; font-size: 0.9rem; background: var(--surface); border-radius: 0 8px 8px 0; }
.msg.Error { border-color: var(--error); }
.msg.Warning { border-color: var(--warn); }
.msg .rule { font-family: ui-monospace, monospace; font-size: 0.76rem; color: var(--ink-faint); }
.msg .expl { color: var(--accent-deep); font-size: 0.85rem; display: block; margin-top: 0.15rem; }
.duty { background: var(--warn-soft); border-radius: 12px; padding: 0.9rem 1.2rem; margin-top: 1.2rem; font-size: 0.92rem; }

footer { margin-top: 4rem; padding-top: 1.2rem; border-top: 1px solid var(--line); color: var(--ink-faint); font-size: 0.82rem; }
footer .legal { margin-top: 0.4rem; }
footer .legal a { color: var(--ink-soft); text-decoration: none; margin-right: 1.2rem; }
footer .legal a:hover { color: var(--accent); }

/* ---------- Landing: Schreibtisch-Motive ---------- */
.hero-s { text-align: center; padding-top: 1rem; }
.hero-s h1 { font-size: clamp(2rem, 4.8vw, 3.2rem); max-width: 46rem; margin: 0 auto 0.6rem; }
.hero-s .sub { margin: 0.8rem auto 0; }

.tisch { display: flex; align-items: center; justify-content: center; gap: 1.6rem; padding: 2.6rem 0 1.8rem; flex-wrap: wrap; }
.dok { background: var(--surface); border: 1px solid var(--line); border-radius: 6px; width: 15rem; padding: 1.2rem 1.2rem 1.4rem; box-shadow: 0 16px 36px -20px rgba(43, 42, 38, 0.3); text-align: left; }
.dok .name { font-size: 0.72rem; color: var(--ink-faint); font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 0.9rem; display: flex; justify-content: space-between; gap: 0.6rem; }
.dok .zeile { height: 0.55rem; background: #EEEAE0; border-radius: 2px; margin-bottom: 0.5rem; }
.dok .zeile.kurz { width: 55%; }
.dok .zeile.titel { width: 70%; background: #DDD6C6; height: 0.8rem; margin-bottom: 0.9rem; }
.dok.alt { transform: rotate(-2deg); }
.dok.neu { transform: rotate(1.5deg); border: 1.5px solid var(--accent); position: relative; }
.dok.neu .zeile { background: var(--accent-soft); }
.dok.neu .zeile.titel { background: #BFDDE1; }
.dok.neu .xml { font-family: ui-monospace, monospace; font-size: 0.66rem; color: var(--accent-deep); background: var(--accent-soft); border-radius: 4px; padding: 0.3rem 0.5rem; margin-top: 0.8rem; }
.dok.neu .haken { position: absolute; top: -0.9rem; right: -0.9rem; width: 2.4rem; height: 2.4rem; border-radius: 50%; background: var(--ok); color: #fff; display: grid; place-items: center; font-weight: 700; box-shadow: 0 6px 14px -4px rgba(46, 139, 87, 0.5); }
.pfeil { text-align: center; }
.pfeil .p { font-size: 2rem; color: var(--accent); line-height: 1; }
.pfeil small { display: block; color: var(--ink-faint); font-weight: 700; font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase; margin-top: 0.2rem; }
.upload-box { max-width: 38rem; margin: 0 auto; }

section.land { padding: 3.6rem 0 0; }
section.land .lead { color: var(--ink-soft); max-width: 42rem; }
.briefe { display: grid; grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr)); gap: 1.2rem; margin-top: 1.8rem; }
.brief { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 1.6rem; }
.brief .wer { font-family: "Zilla Slab", serif; font-weight: 600; font-size: 1.02rem; margin-bottom: 0.4rem; }
.brief .wer::before { content: "„"; color: var(--accent); font-size: 1.3rem; }
.brief p { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }
.brief .antwort { margin-top: 0.9rem; font-size: 0.9rem; color: var(--accent-deep); font-weight: 700; }
.brief .antwort::before { content: "→ "; }

.schrittband { display: flex; gap: 0; margin-top: 1.8rem; flex-wrap: wrap; }
.schrittband div { flex: 1; min-width: 14rem; padding: 1.2rem 1.6rem 1.2rem 1.4rem; border-left: 3px solid var(--accent-soft); }
.schrittband div:first-child { border-left-color: var(--accent); }
.schrittband b { font-family: "Zilla Slab", serif; font-size: 1.08rem; display: block; margin-bottom: 0.25rem; }
.schrittband span { color: var(--ink-soft); font-size: 0.94rem; }

.viewer-promo { background: var(--accent-deep); color: #EAF3F2; border-radius: 16px; padding: 2.4rem; margin-top: 3.6rem; display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 2rem; align-items: center; }
@media (max-width: 760px) { .viewer-promo { grid-template-columns: 1fr; } }
.viewer-promo h2 { color: #fff; margin-bottom: 0.5rem; }
.viewer-promo p { color: #B9D2D2; margin: 0; }
.viewer-promo .btn { background: #fff; color: var(--accent-deep); text-align: center; }
.viewer-promo .btn:hover { background: var(--accent-soft); }
.viewer-promo .gratis { display: block; text-align: center; font-size: 0.8rem; color: #9CBCBC; margin-top: 0.6rem; }

.faq { margin-top: 1.4rem; max-width: 46rem; }
.faq details { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; margin-bottom: 0.6rem; }
.faq summary { cursor: pointer; font-weight: 700; padding: 0.9rem 1.2rem; list-style: none; }
.faq summary::before { content: "+ "; color: var(--accent); }
.faq details[open] summary::before { content: "– "; }
.faq details p { padding: 0 1.2rem 1rem; margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

.preis-teaser { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 1rem; margin-top: 1.8rem; }
.preis-teaser .pt { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 1.4rem; display: flex; flex-direction: column; }
.preis-teaser .pt.haupt { border: 2px solid var(--accent); }
.preis-teaser .p { font-family: "Zilla Slab", serif; font-weight: 700; font-size: 1.8rem; margin: 0.2rem 0; }
.preis-teaser small { color: var(--ink-faint); display: block; }
.preis-teaser .pt-cta { margin-top: 1rem; text-align: center; font-size: 0.92rem; padding: 0.65rem 1rem; }
.preis-teaser .ghostlink { background: var(--accent-soft); color: var(--accent-deep); }
.preis-teaser .ghostlink:hover { background: #CBE2E6; }

/* Konto-Seite */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr)); gap: 1rem; margin: 1rem 0; }
.plan { border: 1.5px solid var(--line); border-radius: 12px; background: var(--surface); padding: 1.2rem; display: flex; flex-direction: column; gap: 0.3rem; }
.plan.featured { border-color: var(--accent); }
.plan .price { font-family: "Zilla Slab", serif; font-size: 1.5rem; font-weight: 700; }
.plan .per { color: var(--ink-faint); font-size: 0.85rem; }
.plan button { margin-top: auto; }
.stat { display: flex; gap: 2.5rem; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 1.2rem 1.5rem; margin-bottom: 1.4rem; flex-wrap: wrap; }
.stat div span { display: block; font-size: 0.78rem; color: var(--ink-faint); }
.stat div b { font-size: 1.2rem; font-family: "Zilla Slab", serif; }

/* Wissensdatenbank + Rechtstexte */
article.wissen { max-width: 44rem; }
article.wissen h1 { margin-bottom: 1rem; }
article.wissen h2 { font-size: 1.3rem; margin: 2rem 0 0.6rem; }
article.wissen table { border-collapse: collapse; width: 100%; margin: 1rem 0; background: var(--surface); font-size: 0.95rem; }
article.wissen th, article.wissen td { border: 1px solid var(--line); padding: 0.55rem 0.8rem; text-align: left; }
article.wissen th { font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-faint); }
article.wissen .cta { background: var(--accent-soft); border-radius: 12px; padding: 1rem 1.3rem; margin: 1.6rem 0; }
article.wissen .cta a { color: var(--accent-deep); font-weight: 700; }
article.wissen a { color: var(--accent-deep); }
.wissen-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr)); gap: 1rem; }
.wissen-grid a { display: block; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); padding: 1.1rem 1.3rem; text-decoration: none; color: var(--ink); }
.wissen-grid a:hover { border-color: var(--accent); }
.wissen-grid a strong { display: block; margin-bottom: 0.3rem; font-family: "Zilla Slab", serif; }
.wissen-grid a span { color: var(--ink-faint); font-size: 0.88rem; }
.meta-row { color: var(--ink-faint); font-size: 0.82rem; margin-bottom: 1.5rem; }

@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }

/* Landingpages: Upload direkt unter der Einleitung, Illustration darunter */
.hero-s + .upload-box { margin-top: 1.8rem; }