/* ===== Tokeny ===== */
:root {
  --paper: #e7e2d3;
  --paper-deep: #dcd6c2;
  --sheet: #fbfaf5;
  --ink: #1c1b17;
  --muted: #6f6a56;
  --stamp-red: #b23a2e;
  --stamp-red-deep: #8f2c22;
  --carbon-pink: #c9838c;
  --carbon-pink-deep: #a85d68;
  --line: #c9c2a9;
  --paid-green: #3f6b4a;

  --font-display: 'Space Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --font-body: 'Archivo', ui-sans-serif, system-ui, -apple-system, sans-serif;

  --radius: 3px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.5;
  background-image:
    radial-gradient(rgba(28,27,23,0.035) 0.6px, transparent 0.6px);
  background-size: 6px 6px;
}

a { color: inherit; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3 { font-family: var(--font-display); letter-spacing: -0.01em; margin: 0 0 0.4em; }
.field-tag {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

/* ===== Nawigacja ===== */
.site-nav { border-bottom: 1px solid var(--line); background: var(--paper); position: sticky; top: 0; z-index: 20; }
.site-nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 16px 24px; }
.wordmark { font-family: var(--font-display); font-weight: 700; font-size: 20px; text-decoration: none; letter-spacing: 0.02em; }
.wordmark-dot { color: var(--stamp-red); }
.wordmark-mini { font-family: var(--font-display); font-weight: 700; font-size: 13px; letter-spacing: 0.08em; }
.nav-links { display: flex; align-items: center; gap: 22px; font-size: 14px; font-weight: 500; }
.nav-links a { text-decoration: none; }
.nav-links a:hover { color: var(--stamp-red); }
.nav-cta { background: var(--ink); color: var(--sheet) !important; padding: 8px 16px; clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px); }
.pro-badge { font-family: var(--font-display); font-size: 11px; color: var(--stamp-red); border: 1px solid var(--stamp-red); padding: 1px 5px; border-radius: 2px; }
.link-btn { background: none; border: none; font: inherit; font-weight: 500; font-size: 14px; cursor: pointer; color: var(--muted); padding: 0; }
.link-btn:hover { color: var(--stamp-red); }
.inline-form { display: inline; }

/* ===== Stopka ===== */
.site-foot { border-top: 1px solid var(--line); margin-top: 80px; padding: 32px 0 48px; }
.site-foot-inner p { color: var(--muted); font-size: 13px; max-width: 640px; margin: 10px 0 0; }
.site-foot-meta { opacity: 0.75; }

/* ===== Przyciski ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 15px;
  padding: 12px 22px; border: none; cursor: pointer;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  text-decoration: none;
  transition: transform 0.12s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--stamp-red); color: var(--sheet); }
.btn-primary:hover { background: var(--stamp-red-deep); }
.btn-dark { background: var(--ink); color: var(--sheet); }
.btn-dark:hover { background: #000; }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--ink); }
.btn-ghost:hover { background: var(--ink); color: var(--sheet); }
.btn-block { width: 100%; justify-content: center; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ===== Karty "kalka" (sygnatura marki) ===== */
.duplicate { position: relative; }
.duplicate::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--carbon-pink);
  transform: rotate(-1.6deg) translate(6px, 8px);
  z-index: -1;
  border: 1px solid var(--carbon-pink-deep);
}
.duplicate.tilt-r::before { transform: rotate(1.6deg) translate(-6px, 8px); }

.sheet {
  background: var(--sheet);
  border: 1px solid var(--line);
  padding: 28px;
}

/* Ząbkowana / perforowana krawędź */
.torn-top, .torn-bottom {
  height: 10px;
  background:
    linear-gradient(135deg, var(--sheet) 50%, transparent 50%) 0 0,
    linear-gradient(45deg, var(--sheet) 50%, transparent 50%) 0 0;
  background-size: 14px 14px;
  background-repeat: repeat-x;
}
.torn-bottom { transform: scaleY(-1); }
.perforation {
  height: 0;
  border-top: 2px dashed var(--line);
  margin: 0 24px;
}

/* ===== Pieczątka ===== */
.stamp {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--stamp-red);
  border: 2px solid var(--stamp-red);
  border-radius: 50%;
  padding: 10px 14px;
  transform: rotate(-11deg);
  letter-spacing: 0.05em;
  font-size: 12px;
  opacity: 0.85;
}

/* ===== Hero ===== */
.hero { padding: 72px 0 56px; }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.eyebrow { font-family: var(--font-display); font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--stamp-red); margin-bottom: 14px; display: block; }
.hero h1 { font-size: 42px; line-height: 1.12; font-weight: 700; margin-bottom: 18px; }
.hero-sub { font-size: 17px; color: var(--muted); max-width: 46ch; margin-bottom: 30px; }
.hero-ctas { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.hero-note { font-size: 13px; color: var(--muted); margin-top: 14px; }

.receipt-wrap { display: flex; justify-content: center; animation: print-out 700ms cubic-bezier(.2,.7,.3,1) both; }
@keyframes print-out {
  from { transform: translateY(-26px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.receipt {
  width: 300px;
  background: var(--sheet);
  padding: 26px 24px 30px;
  font-family: var(--font-display);
  box-shadow: 0 18px 34px rgba(28,27,23,0.16);
}
.receipt-head { text-align: center; margin-bottom: 14px; }
.receipt-head .rk { font-weight: 700; font-size: 17px; letter-spacing: 0.04em; }
.receipt-head .rs { font-size: 10px; color: var(--muted); letter-spacing: 0.08em; }
.receipt-row { display: flex; justify-content: space-between; font-size: 12.5px; padding: 5px 0; border-bottom: 1px dotted var(--line); }
.receipt-row.total { font-weight: 700; font-size: 15px; border-bottom: none; border-top: 2px solid var(--ink); margin-top: 6px; padding-top: 10px; }
.receipt-foot { text-align: center; margin-top: 18px; }

/* ===== Sekcje ogólne ===== */
section { padding: 56px 0; }
.section-head { max-width: 60ch; margin-bottom: 36px; }
.section-head h2 { font-size: 28px; }
.section-head p { color: var(--muted); font-size: 15.5px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature { border-left: 2px solid var(--stamp-red); padding-left: 16px; }
.feature h3 { font-size: 15px; font-family: var(--font-body); font-weight: 700; margin-bottom: 6px; }
.feature p { color: var(--muted); font-size: 14.5px; margin: 0; }

/* ===== Cennik ===== */
.pricing-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; max-width: 760px; margin: 0 auto; }
.price-card { padding: 30px 26px; }
.price-card h3 { font-size: 13px; }
.price-tag { font-family: var(--font-display); font-size: 34px; font-weight: 700; margin: 10px 0 4px; }
.price-tag span { font-size: 14px; font-weight: 400; color: var(--muted); }
.price-list { list-style: none; padding: 0; margin: 20px 0 24px; font-size: 14.5px; }
.price-list li { padding: 6px 0; border-bottom: 1px dotted var(--line); }
.price-list li:before { content: '— '; color: var(--muted); }

/* ===== Formularze ===== */
form.card, .form-card { max-width: 460px; margin: 40px auto; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.field .hint { font-size: 12px; color: var(--muted); margin-top: 4px; }
input, select, textarea {
  width: 100%; font: inherit; font-size: 15px; padding: 10px 12px;
  border: 1.5px solid var(--line); background: var(--sheet); color: var(--ink);
  border-radius: 2px;
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--stamp-red); outline-offset: 1px; border-color: var(--stamp-red);
}
textarea { resize: vertical; min-height: 70px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-error { background: #f6e2df; border: 1px solid var(--stamp-red); color: var(--stamp-red-deep); padding: 10px 14px; font-size: 14px; margin-bottom: 18px; }
.form-foot-link { text-align: center; margin-top: 18px; font-size: 14px; color: var(--muted); }

/* ===== Pulpit / listy ===== */
.page-head { display: flex; align-items: baseline; justify-content: space-between; padding: 40px 0 20px; flex-wrap: wrap; gap: 12px; }
.page-head h1 { font-size: 26px; }

.usage-strip { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; font-family: var(--font-display); font-size: 12.5px; }
.usage-ticks { display: flex; gap: 4px; }
.usage-tick { width: 22px; height: 10px; background: var(--line); }
.usage-tick.used { background: var(--stamp-red); }
.usage-pro { color: var(--paid-green); font-weight: 700; }

table.ledger { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.ledger th { text-align: left; font-family: var(--font-display); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding: 8px 10px; border-bottom: 2px solid var(--ink); }
table.ledger td { padding: 12px 10px; border-bottom: 1px solid var(--line); }
table.ledger tr:hover td { background: rgba(178,58,46,0.05); }
table.ledger a.row-link { text-decoration: none; font-weight: 600; }
.status-chip { font-family: var(--font-display); font-size: 11px; padding: 2px 8px; border: 1px solid var(--line); }
.status-chip.paid { color: var(--paid-green); border-color: var(--paid-green); }
.status-chip.open { color: var(--muted); }

.empty-state { text-align: center; padding: 60px 20px; max-width: 420px; margin: 0 auto; }
.empty-state h3 { font-size: 18px; margin-bottom: 8px; }
.empty-state p { color: var(--muted); font-size: 14.5px; margin-bottom: 22px; }

/* ===== Wystawianie faktury (blok pozycji) ===== */
.item-row { display: grid; grid-template-columns: 2.4fr 1fr 0.8fr 1fr 0.9fr auto; gap: 10px; align-items: end; margin-bottom: 12px; }
.item-row label.mini { font-size: 11px; }
.remove-item { background: none; border: 1px solid var(--line); color: var(--muted); cursor: pointer; padding: 10px; font-size: 13px; }
.remove-item:hover { border-color: var(--stamp-red); color: var(--stamp-red); }
.add-item { margin-top: 4px; }
.totals-preview { margin-top: 22px; padding-top: 16px; border-top: 2px solid var(--ink); text-align: right; font-family: var(--font-display); }
.totals-preview .grand { font-size: 20px; font-weight: 700; color: var(--stamp-red); }

/* ===== Podgląd faktury ===== */
.invoice-doc { max-width: 640px; margin: 40px auto; }
.invoice-doc-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 22px; }
.invoice-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 24px; font-size: 14px; }
.invoice-cols .field-tag { display: block; margin-bottom: 6px; }
.invoice-actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }

/* ===== Limit / błędy ===== */
.center-card { max-width: 480px; margin: 80px auto; text-align: center; padding: 40px 30px; }

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .item-row { grid-template-columns: 1fr 1fr; }
  .field-row { grid-template-columns: 1fr; }
}