:root {
  --ink: #17332f;
  --ink-soft: #536b66;
  --paper: #f7f3eb;
  --cream: #fffdf8;
  --mint: #b9e4cc;
  --mint-deep: #3a8065;
  --clay: #e36f4a;
  --line: #d8d4c8;
  --dark: #193b35;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--paper); }
button, input, select { font: inherit; }

.hero {
  max-width: 1180px;
  margin: 0 auto;
  padding: 72px 32px 48px;
  position: relative;
}
.hero::after {
  content: "€";
  position: absolute;
  right: 5%;
  top: 24px;
  color: rgba(58, 128, 101, .12);
  font: 700 230px/1 Georgia, serif;
  transform: rotate(8deg);
  pointer-events: none;
}
.eyebrow { margin: 0 0 14px; color: var(--mint-deep); font-size: .74rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
h1 { max-width: 780px; margin: 0; font: 700 clamp(2.8rem, 7vw, 6rem)/.95 Georgia, serif; letter-spacing: -.055em; }
h1 em { color: var(--clay); font-weight: 400; }
.intro { max-width: 620px; margin: 28px 0 0; color: var(--ink-soft); font-size: 1.18rem; line-height: 1.6; }

main { max-width: 1180px; margin: 0 auto; padding: 0 32px 80px; }
.calculator, .sources { background: var(--cream); border: 1px solid var(--line); border-radius: 24px; padding: 34px; box-shadow: 0 18px 45px rgba(23, 51, 47, .06); }
.section-heading { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 28px; }
.section-heading > span { display: grid; width: 42px; height: 42px; place-items: center; border: 1px solid var(--ink); border-radius: 50%; font-size: .8rem; font-weight: 800; }
.section-heading h2 { margin: 0; font: 700 2rem/1.1 Georgia, serif; }
.section-heading p { margin: 7px 0 0; color: var(--ink-soft); }

.essential-grid, .details-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.field { display: flex; min-width: 0; flex-direction: column; gap: 8px; }
.field > span:first-child { font-size: .82rem; font-weight: 750; }
.field small { min-height: 2.7em; color: var(--ink-soft); font-size: .74rem; line-height: 1.35; }
.field input, .field select { width: 100%; border: 1px solid var(--line); border-radius: 12px; background: white; color: var(--ink); padding: 13px 14px; outline: none; transition: .15s border, .15s box-shadow; }
.field input:focus, .field select:focus { border-color: var(--mint-deep); box-shadow: 0 0 0 4px rgba(58, 128, 101, .13); }
.essential { border: 1px solid #93caae; border-radius: 16px; background: #eff9f3; padding: 15px; }
.essential input { border-color: #93caae; font-size: 1.12rem; font-weight: 750; }
.input-unit { display: flex; position: relative; }
.input-unit input { padding-right: 42px; }
.input-unit b { position: absolute; right: 15px; top: 50%; transform: translateY(-50%); color: var(--ink-soft); }
.uppercase { text-transform: uppercase; }

details { margin-top: 18px; border-top: 1px solid var(--line); }
summary { display: flex; justify-content: space-between; gap: 10px; padding: 20px 3px 4px; cursor: pointer; font-weight: 800; }
summary span { color: var(--ink-soft); font-size: .75rem; font-weight: 500; }
details[open] summary { margin-bottom: 18px; }
.checks { display: grid; gap: 10px; margin-top: 18px; }
.checks label { display: flex; gap: 9px; align-items: flex-start; color: var(--ink-soft); font-size: .85rem; line-height: 1.45; }
.checks input { width: 18px; height: 18px; accent-color: var(--mint-deep); }
.fine-print { color: var(--ink-soft); font-size: .75rem; line-height: 1.5; }

.result { margin: 24px 0; border-radius: 24px; background: var(--dark); color: #f4f1e8; padding: 34px; }
.section-heading.light > span { border-color: #f4f1e8; }
.section-heading.light p { color: #b7c7c3; }
.net-card { padding: 18px 0 28px; border-bottom: 1px solid rgba(255,255,255,.2); }
.net-card p { margin: 0 0 8px; color: var(--mint); font-size: .85rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.net-card strong { display: block; font: 700 clamp(3.3rem, 8vw, 6.5rem)/1 Georgia, serif; letter-spacing: -.06em; }
.net-card span { display: block; margin-top: 12px; color: #b7c7c3; font-size: .8rem; }
.result-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin-top: 26px; background: rgba(255,255,255,.18); }
.result-grid article { background: var(--dark); padding: 18px 16px; }
.result-grid span { display: block; min-height: 2.6em; color: #b7c7c3; font-size: .75rem; line-height: 1.35; }
.result-grid strong { display: block; margin-top: 8px; font: 700 1.45rem/1 Georgia, serif; }
.explanation { margin: 24px 0 0; color: #c9d5d2; font-size: .82rem; line-height: 1.6; }
.warning, .error { margin-top: 22px; border-radius: 12px; padding: 14px 16px; font-size: .86rem; line-height: 1.5; }
.warning { background: #fff0ce; color: #5b3c00; }
.error { background: #ffe1dd; color: #6c2418; }
.print-button { margin-top: 26px; border: 0; border-radius: 999px; background: var(--mint); color: var(--ink); padding: 14px 22px; font-weight: 850; cursor: pointer; }
.print-button:hover { background: #d0f0de; }

.sources { margin-top: 24px; }
.source-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.source-grid article { border: 1px solid var(--line); border-radius: 16px; padding: 20px; }
.source-grid h3 { margin: 0 0 10px; font: 700 1.18rem Georgia, serif; }
.source-grid p { color: var(--ink-soft); font-size: .82rem; line-height: 1.55; }
.source-grid a { display: block; margin-top: 10px; color: var(--mint-deep); font-size: .8rem; font-weight: 800; }
.disclaimer { margin: 24px 0 0; border-left: 3px solid var(--clay); padding-left: 14px; color: var(--ink-soft); font-size: .78rem; line-height: 1.55; }

.print-sheet { display: none; }
.slip-header { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 3px solid var(--ink); padding-bottom: 16px; }
.slip-header h2 { margin: 0; font: 700 2.2rem Georgia, serif; }
.month-box { min-width: 150px; border: 1px solid var(--ink); padding: 10px 14px; }
.month-box span, .parties span { display: block; color: var(--ink-soft); font-size: .65rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.month-box strong { display: block; margin-top: 6px; }
.parties { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 22px 0; }
.parties > div { min-height: 64px; }
.parties strong { display: block; margin-top: 7px; font-size: 1.05rem; }
.parties small { display: block; margin-top: 4px; }
.contract-strip { display: flex; flex-wrap: wrap; gap: 8px 20px; background: #edf5f0; padding: 11px 14px; font-size: .72rem; }
.print-sheet h3 { margin: 21px 0 7px; font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; }
.slip-table { border-top: 1px solid var(--ink); }
.slip-row { display: grid; grid-template-columns: minmax(0, 1fr) 90px 100px 110px; border-bottom: 1px solid var(--line); padding: 7px 5px; font-size: .76rem; }
.slip-row > :not(:first-child) { text-align: right; }
.slip-row.header { color: var(--ink-soft); font-size: .62rem; font-weight: 800; text-transform: uppercase; }
.slip-row.total { font-weight: 800; }
.slip-table.compact .slip-row { grid-template-columns: minmax(0, 1fr) 90px; }
.slip-total { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; background: var(--ink); color: white; padding: 13px 16px; }
.slip-total strong { font-size: 1.25rem; }
.slip-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.slip-note { margin: 18px 0; color: var(--ink-soft); font-size: .66rem; line-height: 1.45; }
.signatures { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; margin-top: 36px; }
.signatures div { border-top: 1px solid var(--ink); padding-top: 7px; font-size: .65rem; }
.print-sheet footer { margin-top: 24px; border-top: 1px solid var(--line); padding-top: 8px; color: var(--ink-soft); font-size: .58rem; line-height: 1.4; }

@media (max-width: 760px) {
  .hero { padding: 52px 20px 34px; }
  .hero::after { font-size: 140px; opacity: .6; }
  main { padding: 0 14px 50px; }
  .calculator, .result, .sources { border-radius: 18px; padding: 22px 18px; }
  .essential-grid, .details-grid, .source-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: 1fr 1fr; }
  .field small { min-height: 0; }
  summary { align-items: flex-start; }
}

@media print {
  @page { size: A4; margin: 13mm; }
  :root, body { background: white; }
  .no-print { display: none !important; }
  body, main { margin: 0; padding: 0; max-width: none; }
  .print-sheet { display: block; color: #102a26; }
}