:root {
  --paper: #faf9f5;
  --paper-dim: #f0eee5;
  --ink: #1c2321;
  --ink-soft: #333c39;
  --blue: #125c54;
  --blue-light: #1b7d72;
  --green: #b5761b;
  --green-bg: #fbf1e1;
  --warn: #b4472a;
  --warn-bg: #fbeae4;
  --muted: #6b6f63;
  --line: #ded9c9;

  --serif: "Lora", Georgia, serif;
  --sans: "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;

  --max: 1080px;
  --pad: clamp(18px, 5vw, 56px);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

img { max-width: 100%; }
a { color: var(--blue); }
h1, h2, h3 { font-family: var(--serif); margin: 0; letter-spacing: -0.01em; color: var(--ink); }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--blue); outline-offset: 2px;
}

/* Header */
header.site {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px var(--pad); max-width: var(--max); margin: 0 auto;
}
.brand { font-family: var(--serif); font-weight: 600; font-size: 20px; text-decoration: none; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.brand .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); display: inline-block; }
.nav small { font-family: var(--mono); font-size: 11px; color: var(--muted); }

/* Hero */
.hero {
  position: relative;
  padding: 96px var(--pad) 88px;
  text-align: center;
  background-color: var(--paper);
  background-image: radial-gradient(circle at 15% 20%, rgba(18,92,84,.10), transparent 45%), radial-gradient(circle at 85% 70%, rgba(181,118,27,.10), transparent 45%);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.hero .eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--green); background: var(--green-bg); display: inline-block; padding: 5px 12px; border-radius: 20px;
}
.hero h1 { font-size: clamp(28px, 4.2vw, 44px); margin-top: 18px; max-width: 18ch; margin-left: auto; margin-right: auto; }
.hero p { color: var(--muted); max-width: 56ch; margin: 16px auto 0; font-size: 16.5px; }
@media (max-width: 860px) {
  .hero { padding: 56px var(--pad) 48px; background-position: center 30%; }
}

/* Generator layout */
.generator { padding: 40px var(--pad) 90px; }
.gen-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; max-width: var(--max); margin: 0 auto; }
@media (max-width: 860px) { .gen-grid { grid-template-columns: 1fr; } }

.card {
  background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 28px;
}
.step { font-family: var(--mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--blue); margin-bottom: 6px; }
.card h2 { font-size: 19px; margin-bottom: 18px; }

.field { display: grid; gap: 6px; margin-bottom: 16px; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.field .hint { font-size: 12px; color: var(--muted); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 5px; padding: 10px 12px;
  font-family: var(--sans); font-size: 14.5px; background: var(--paper); color: var(--ink);
}
.field textarea { min-height: 70px; resize: vertical; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.checkline { display: flex; align-items: center; gap: 8px; font-size: 13.5px; color: var(--ink-soft); }

/* Output document */
.doc {
  background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
  position: sticky; top: 20px;
}
.doc__head {
  background: var(--ink); color: var(--paper); padding: 14px 22px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.05em;
}
.doc__head span.ok { color: #8fd1a8; }
.doc__body {
  padding: 26px 24px; font-family: var(--mono); font-size: 13.5px; line-height: 1.85;
  white-space: pre-wrap; min-height: 220px; color: var(--ink-soft);
}
.doc__actions { display: flex; gap: 10px; padding: 16px 22px; border-top: 1px solid var(--line); flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 20px; border-radius: 5px;
  border: none; cursor: pointer; font-size: 14px; font-weight: 600; text-decoration: none; font-family: var(--sans);
  transition: opacity .15s ease;
}
.btn:hover { opacity: 0.88; }
.btn--blue { background: var(--blue); color: #fff; }
.btn--ghost { background: transparent; border: 1px solid var(--line); color: var(--ink); }

/* Upsell box */
.upsell {
  margin-top: 18px; border: 1px solid #e6c7ba; background: var(--warn-bg); border-radius: 8px; padding: 20px 22px;
}
.upsell.hidden { display: none; }
.upsell__eyebrow { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--warn); }
.upsell h3 { font-size: 17px; margin-top: 8px; color: var(--ink); }
.upsell p { font-size: 14px; color: var(--ink-soft); margin-top: 8px; }
.upsell .btn { margin-top: 14px; background: var(--warn); color: #fff; }

/* Explainer sections */
.explain { padding: 70px var(--pad); border-top: 1px solid var(--line); }
.explain .wrap { max-width: 760px; }
.explain h2 { font-size: 26px; margin-bottom: 20px; }
.explain h3 { font-size: 18px; margin: 26px 0 8px; }
.explain p, .explain li { color: var(--ink-soft); font-size: 15.5px; }
.explain ul { padding-left: 20px; }

.faq-item { border-bottom: 1px solid var(--line); padding: 18px 0; }
.faq-item summary { cursor: pointer; font-weight: 600; font-family: var(--serif); font-size: 16.5px; }
.faq-item p { margin-top: 10px; }

footer {
  background: var(--paper-dim); border-top: 1px solid var(--line);
  padding: 34px var(--pad); font-size: 13px; color: var(--muted);
}
.footer-grid { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; max-width: var(--max); margin: 0 auto; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--blue); }

.copy-toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--paper); padding: 10px 18px; border-radius: 6px;
  font-size: 13.5px; opacity: 0; transition: all .25s ease; pointer-events: none; font-family: var(--sans);
}
.copy-toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Sprachumschalter DE | EN + mobile Fixes */
.nav { flex-wrap: wrap; gap: 10px 16px; }
.lang-switch { display: inline-flex; align-items: center; gap: 2px; font-family: var(--mono); font-size: 12.5px; font-weight: 500; border: 1px solid var(--line); border-radius: 20px; padding: 2px 4px; background: #fff; white-space: nowrap; }
.lang-switch a { color: var(--muted); text-decoration: none; padding: 2px 7px; border-radius: 14px; }
.lang-switch a:hover { color: var(--blue); }
.lang-switch a[aria-current="page"] { background: var(--ink); color: var(--paper); }
.lang-switch .sep { color: var(--line); }
.doc__body { overflow-wrap: anywhere; }
.courtesy { margin-top: 18px; border: 1px dashed var(--line); border-radius: 8px; background: #fff; }
.courtesy summary { cursor: pointer; padding: 14px 20px; font-weight: 600; font-size: 14px; color: var(--ink-soft); }
.courtesy .note { padding: 0 20px; font-size: 13px; color: var(--muted); margin: 0; }
.courtesy pre { margin: 0; padding: 16px 20px 18px; font-family: var(--mono); font-size: 12.5px; line-height: 1.75; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--ink-soft); }
.courtesy .btn { margin: 0 20px 18px; }
.intl-box { background: #f0f7ff; border: 1px solid #c3d9f0; border-radius: 8px; padding: 18px 22px; margin: 24px 0; }
.intl-box p { margin: 0; }
@media (max-width: 520px) {
  .row2 { grid-template-columns: 1fr; gap: 0; }
  .card { padding: 20px; }
  .doc__body { padding: 20px 16px; font-size: 12.5px; }
  .doc__head { padding: 12px 16px; }
}
img[width="320"][height="80"] { height: auto; }

/* ---- e-rechnung-stellen.de Ergänzungen ---- */
.nav-links { display:flex; gap:18px; align-items:center; flex-wrap:wrap; font-size:14px; }
.nav-links a { color: var(--ink-soft); text-decoration:none; font-weight:500; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--blue); }
.hero .chips { display:flex; gap:8px; justify-content:center; flex-wrap:wrap; margin-top:22px; }
.chip { font-family: var(--mono); font-size: 11.5px; border:1px solid var(--line); background:#fff; padding:4px 10px; border-radius:20px; color: var(--ink-soft); }
.gen-wide { max-width: 1240px; grid-template-columns: minmax(0,1.05fr) minmax(0,.95fr); }
fieldset.card { margin: 0 0 18px; }
fieldset.card legend { font-family: var(--serif); font-size: 18px; font-weight:600; padding: 0 6px; margin-left:-6px; }
.row3 { display:grid; grid-template-columns: 1fr 1fr 1fr; gap:12px; }
.row-zip { display:grid; grid-template-columns: 110px 1fr; gap:12px; }
.field input:invalid:not(:placeholder-shown) { border-color: var(--warn); }
.req::after { content:" *"; color: var(--warn); }
.items { width:100%; border-collapse: collapse; font-size: 13.5px; }
.items th { text-align:left; font-size:11px; font-family: var(--mono); text-transform:uppercase; letter-spacing:.05em; color: var(--muted); padding: 4px 4px 8px; font-weight:500; }
.items td { padding: 4px; vertical-align: top; }
.items input, .items select, .items textarea { width:100%; border:1px solid var(--line); border-radius:5px; padding:8px; font-family: var(--sans); font-size: 13.5px; background: var(--paper); }
.items textarea { min-height: 38px; resize: vertical; }
.items .num { text-align:right; }
.items .del { background:none; border:none; color: var(--muted); cursor:pointer; font-size:18px; line-height:1; padding:8px 4px; }
.items .del:hover { color: var(--warn); }
@media (max-width: 700px) {
  .items thead { display:none; }
  .items tr { display:grid; grid-template-columns: 1fr 1fr 1fr; gap:6px; border-bottom:1px solid var(--line); padding:8px 0; }
  .items td:first-child { grid-column: 1 / -1; }
  .row3 { grid-template-columns: 1fr; gap:0; }
}
.totals { margin-top:14px; display:grid; gap:4px; justify-content:end; font-size:14px; }
.totals div { display:flex; gap:24px; justify-content:space-between; min-width: 260px; }
.totals .grand { font-weight:700; font-size:16px; border-top:1px solid var(--ink); padding-top:6px; margin-top:4px; }
.seg { display:flex; gap:6px; flex-wrap:wrap; }
.seg label { border:1px solid var(--line); border-radius:6px; padding:8px 12px; font-size:13.5px; cursor:pointer; background: var(--paper); display:flex; gap:6px; align-items:center; }
.seg input { accent-color: var(--blue); }
.preview { background:#fff; border:1px solid var(--line); border-radius:8px; overflow:hidden; position: sticky; top: 16px; }
.preview__head { background: var(--ink); color: var(--paper); padding: 12px 18px; font-family: var(--mono); font-size: 12px; display:flex; justify-content:space-between; gap:10px; }
.paper { padding: 26px 26px 18px; font-size: 11.5px; line-height: 1.5; color: var(--ink); max-height: 640px; overflow:auto; }
.paper .p-top { display:flex; justify-content:space-between; align-items:baseline; }
.paper .p-seller { font-family: var(--sans); font-weight:600; color: var(--blue); font-size: 15px; }
.paper .p-kind { font-weight:700; letter-spacing:.06em; }
.paper .p-sender { font-size: 9px; color: var(--muted); margin-top: 26px; border-bottom: 1px solid var(--line); display:inline-block; }
.paper .p-head { display:flex; justify-content:space-between; gap:20px; margin-top:6px; }
.paper .p-meta { display:grid; grid-template-columns:auto auto; gap:2px 14px; font-size:10.5px; align-self:start; }
.paper .p-meta span:nth-child(odd) { color: var(--muted); }
.paper .p-meta span:nth-child(even) { text-align:right; font-weight:600; }
.paper h4 { font-family: var(--sans); font-size: 14px; margin: 22px 0 8px; }
.paper table { width:100%; border-collapse:collapse; font-size: 10.5px; }
.paper th { background: var(--paper-dim); text-align:left; padding:5px 6px; font-weight:600; color: var(--muted); }
.paper td { padding:5px 6px; border-bottom: 1px solid var(--line); vertical-align:top; }
.paper .r { text-align:right; white-space:nowrap; }
.paper .p-sum { margin-left:auto; width: 62%; margin-top: 10px; }
.paper .p-sum div { display:flex; justify-content:space-between; padding: 2px 0; }
.paper .p-sum .g { font-weight:700; border-top: 1px solid var(--ink); margin-top:4px; padding-top:4px; color: var(--blue); }
.paper .p-foot { margin-top: 22px; border-top:1px solid var(--line); padding-top: 8px; font-size: 9px; color: var(--muted); display:grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.actions { display:flex; flex-wrap:wrap; gap:8px; padding: 14px 18px; border-top: 1px solid var(--line); }
.btn--amber { background: var(--green); color:#fff; }
.btn:disabled { opacity:.45; cursor:not-allowed; }
.errors { margin: 0; padding: 12px 18px 12px 36px; background: var(--warn-bg); color: var(--warn); font-size: 13px; border-top: 1px solid #e6c7ba; }
.errors:empty { display:none; }
.okline { padding: 10px 18px; font-size: 13px; color: var(--blue); background: #e9f3f1; border-top:1px solid #c9e1dc; }
.tools-row { display:flex; gap:10px; flex-wrap:wrap; margin-bottom:18px; }
.cards3 { display:grid; grid-template-columns: repeat(3, 1fr); gap: 18px; max-width: var(--max); margin: 0 auto; }
@media (max-width: 860px) { .cards3 { grid-template-columns: 1fr; } }
.tile { background:#fff; border:1px solid var(--line); border-radius:8px; padding: 22px; display:flex; flex-direction:column; gap:8px; }
.tile h3 { font-size: 18px; }
.tile p { margin:0; color: var(--ink-soft); font-size: 14.5px; flex:1; }
.tile .btn { align-self:flex-start; margin-top:8px; }
.tile .fmt { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.section-title { text-align:center; margin-bottom: 28px; }
.section-title p { color: var(--muted); max-width: 60ch; margin: 8px auto 0; }
.band { padding: 64px var(--pad); border-top: 1px solid var(--line); }
.timeline { border-left: 2px solid var(--blue); margin: 18px 0; padding-left: 18px; }
.timeline div { margin-bottom: 14px; }
.timeline strong { font-family: var(--mono); font-size: 13px; color: var(--blue); display:block; }
table.cmp { width:100%; border-collapse: collapse; font-size: 14.5px; margin: 16px 0; }
table.cmp th, table.cmp td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align:left; vertical-align: top; }
table.cmp th { font-family: var(--mono); font-size: 12px; text-transform: uppercase; color: var(--muted); font-weight:500; }
.dropzone { border: 2px dashed var(--line); border-radius: 10px; background:#fff; padding: 40px 20px; text-align:center; cursor:pointer; transition: border-color .15s; }
.dropzone.over, .dropzone:hover { border-color: var(--blue); }
.dropzone strong { font-family: var(--serif); font-size: 18px; display:block; margin-bottom: 6px; }
.hp { position:absolute !important; left:-9999px !important; width:1px; height:1px; overflow:hidden; }
.form-msg { margin-top: 12px; font-size: 14px; }
.form-msg.ok { color: var(--blue); } .form-msg.err { color: var(--warn); }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.crumbs a { color: var(--muted); }
.article h2 { margin-top: 40px; }
.article .lead { font-size: 17px; color: var(--ink-soft); }
.cta-box { background: #e9f3f1; border:1px solid #c9e1dc; border-radius: 8px; padding: 20px 22px; margin: 32px 0; }
.cta-box p { margin: 0 0 12px; }
@media print {
  header.site, footer, .hero, .explain, .band, #formCol, .actions, .errors, .okline, .preview__head, #pan21-nl-wrap, .net-embeds { display:none !important; }
  .gen-grid { display:block; }
  .preview { border:none; position: static; }
  .paper { max-height:none; overflow:visible; padding:0; font-size: 11pt; }
  body { background:#fff; }
}
.seg input, .checkline input { width:auto; }
.gen-wide { max-width: 1340px; grid-template-columns: minmax(0,1.12fr) minmax(0,.88fr); }
#pvCol { align-self: stretch; }
.items textarea { min-height: 42px; field-sizing: content; }