/* =========================================================================
   CÁLCULO RESCISÃO — DESIGN SYSTEM
   Direction: "recibo oficial" — the visual language of a real Brazilian
   termination payslip (recibo de rescisão) and an official carimbo/selo
   of verification, not a generic SaaS dashboard. Ledger-style tabular
   figures, deep teal-navy for structure/trust, verified-green for the
   stamp/trust signature. System fonts only (no web-font requests).
   ========================================================================= */

:root {
  /* Color */
  --color-bg: #f7f8fa;
  --color-surface: #ffffff;
  --color-ink: #101828;
  --color-ink-muted: #4b5568;
  --color-border: #e2e5ea;
  --color-border-strong: #c9ced8;
  --color-primary: #0b4f6c;
  --color-primary-dark: #073446;
  --color-primary-tint: #e7eff2;
  --color-accent: #1b7a4a;
  --color-accent-tint: #e8f4ec;
  --color-warning: #9a5b13;
  --color-warning-tint: #fdf1e2;
  --color-danger: #b3261e;
  --color-danger-tint: #fbeceb;
  --color-focus: #1a73e8;

  /* Type */
  --font-display: Georgia, 'Times New Roman', ui-serif, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Consolas, monospace;

  /* Scale */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 4px 16px rgba(16, 24, 40, 0.08);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --container-max: 880px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--color-primary); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--color-primary-dark); }

:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.container {
  max-width: var(--container-max);
  margin-left: auto; margin-right: auto;
  padding-left: var(--space-4); padding-right: var(--space-4);
}

/* ---------- Skip link ---------- */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  z-index: 1000;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

/* ---------- Header ---------- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-3); padding-bottom: var(--space-3);
  max-width: var(--container-max);
  margin-left: auto; margin-right: auto;
  padding-left: var(--space-4); padding-right: var(--space-4);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-ink);
  text-decoration: none;
}
.brand img { height: 28px; width: auto; margin-right: var(--space-2); }
.brand:hover { color: var(--color-primary); }

.main-nav { display: none; }
.main-nav ul { display: flex; list-style: none; margin: 0; padding: 0; }
.main-nav li:not(:last-child) { margin-right: var(--space-5); margin-inline-end: var(--space-5); }
.main-nav a {
  color: var(--color-ink-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
}
.main-nav a:hover { color: var(--color-primary); }

@media (min-width: 768px) {
  .main-nav { display: block; }
  .menu-toggle { display: none; }
}

.menu-toggle {
  background: none;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-3);
  font-size: 0.9rem;
  color: var(--color-ink);
  cursor: pointer;
}
.mobile-nav {
  display: none;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}
.mobile-nav.is-open { display: block; }
.mobile-nav ul { list-style: none; margin: 0; padding: var(--space-2) var(--space-4) var(--space-4); }
.mobile-nav a {
  display: block;
  padding: var(--space-3) 0;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
  font-size: 1rem;
}

/* ---------- Ad slots ---------- */
.ad-slot { margin-top: var(--space-4); margin-bottom: var(--space-4); }
.ad-slot:empty { display: none; margin: 0; }

/* ---------- Hero / H1 ---------- */
.hero { padding-top: var(--space-6); padding-bottom: var(--space-5); }
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 4.5vw, 2.5rem);
  line-height: 1.15;
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}
.hero__lede {
  font-size: 1.05rem;
  color: var(--color-ink-muted);
  max-width: 62ch;
  margin: 0;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-3);
  background: var(--color-accent-tint);
  color: var(--color-accent);
  border: 1px solid #bfe3cd;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 600;
}
.trust-badge__seal {
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 2px solid var(--color-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
  margin-right: var(--space-2);
}

/* ---------- Calculator card ---------- */
.calculator {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-5);
  margin-top: var(--space-5); margin-bottom: var(--space-5);
}
.calculator__header { margin-bottom: var(--space-5); }
.calculator__header h2 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  margin: 0 0 var(--space-1);
}
.calculator__header p { margin: 0; color: var(--color-ink-muted); font-size: 0.92rem; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}
@media (min-width: 640px) {
  .form-grid--2col { grid-template-columns: 1fr 1fr; }
}

.field { display: flex; flex-direction: column; gap: var(--space-1); }
.field > *:not(:first-child) { margin-top: 4px; }
.field label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink);
}
.field .hint { font-size: 0.8rem; color: var(--color-ink-muted); margin-top: -2px; }
.field input[type="text"],
.field input[type="number"],
.field input[type="date"],
.field select {
  font: inherit;
  font-size: 1rem;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-ink);
  min-height: 48px;
  width: 100%;
}
.field input:focus, .field select:focus {
  border-color: var(--color-primary);
}
.field.has-error input, .field.has-error select { border-color: var(--color-danger); }
.field-error {
  font-size: 0.82rem;
  color: var(--color-danger);
  margin: 0;
}

.radio-group { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.radio-group > * { margin-right: var(--space-2); margin-bottom: var(--space-2); }
.radio-pill {
  position: relative;
}
.radio-pill input { position: absolute; opacity: 0; }
.radio-pill span {
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border: 1.5px solid var(--color-border-strong);
  border-radius: 999px;
  font-size: 0.9rem;
  cursor: pointer;
  color: var(--color-ink-muted);
  min-height: 44px;
}
.radio-pill input:checked + span {
  border-color: var(--color-primary);
  background: var(--color-primary-tint);
  color: var(--color-primary-dark);
  font-weight: 600;
}
.radio-pill input:focus-visible + span { outline: 3px solid var(--color-focus); outline-offset: 2px; }

.advanced-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  background: none;
  border: none;
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: var(--space-3) 0;
  cursor: pointer;
  width: 100%;
  text-align: left;
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-4);
}
.advanced-toggle__icon { transition: transform 0.15s ease; margin-left: var(--space-2); }
.advanced-toggle[aria-expanded="true"] .advanced-toggle__icon { transform: rotate(180deg); }
.advanced-panel { display: none; padding-top: var(--space-2); }
.advanced-panel.is-open { display: block; }

.calculator__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}
.calculator__actions > * { margin-right: var(--space-3); margin-bottom: var(--space-3); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 24px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border: 1.5px solid transparent;
  min-height: 50px;
  text-decoration: none;
}
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); }
.btn-secondary { background: var(--color-surface); color: var(--color-ink); border-color: var(--color-border-strong); }
.btn-secondary:hover { border-color: var(--color-ink-muted); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.form-alert {
  display: none;
  background: var(--color-danger-tint);
  color: var(--color-danger);
  border: 1px solid #f0c6c3;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  font-size: 0.9rem;
}
.form-alert.is-visible { display: block; }

/* ---------- Results ---------- */
.results { display: none; margin-top: var(--space-5); margin-bottom: var(--space-5); }
.results.is-visible { display: block; }

.result-total {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-6) var(--space-5);
  text-align: center;
}
.result-total__label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  opacity: 0.85;
  margin: 0 0 var(--space-2);
}
.result-total__value {
  font-family: var(--font-mono);
  font-size: clamp(2rem, 8vw, 2.8rem);
  font-weight: 700;
  margin: 0;
  font-variant-numeric: tabular-nums;
}
.result-total__note { font-size: 0.85rem; opacity: 0.85; margin-top: var(--space-2); }

.result-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-top: var(--space-4);
}
.result-section h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 0 0 var(--space-4);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* Ledger-style line items (the "recibo" signature element).
   Uses DIVs (not a <table>) specifically so each item can be
   immediately followed by its own <details> memory-of-calculation
   block without invalid HTML nesting (details is not a valid direct
   child of <tbody>/<tr>, which previously caused browsers to hoist
   and reorder that content unpredictably). */
.ledger { width: 100%; }
.ledger__row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) 0;
  border-bottom: 1px dashed var(--color-border);
}
.ledger__row:last-child { border-bottom: none; }
.ledger__label { color: var(--color-ink); }
.ledger__value {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.ledger__sub { font-size: 0.8rem; color: var(--color-ink-muted); font-weight: 400; margin-top: 2px; }
.ledger__row.is-deduction .ledger__value { color: var(--color-danger); }
.ledger__row.is-total { border-top: 2px solid var(--color-ink); border-bottom: none; margin-top: 4px; padding-top: var(--space-3); }
.ledger__row.is-total .ledger__label, .ledger__row.is-total .ledger__value { font-weight: 700; }

.memoria {
  margin-top: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.memoria summary {
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--color-primary);
  font-weight: 600;
}
.memoria__formula {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  margin-top: var(--space-2);
  color: var(--color-ink-muted);
  line-height: 1.7;
}

.callout {
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: 0.9rem;
  margin-top: var(--space-4); margin-bottom: var(--space-4);
  border: 1px solid;
}
.callout-info { background: var(--color-primary-tint); border-color: #bcd6e0; color: var(--color-primary-dark); }
.callout-warning { background: var(--color-warning-tint); border-color: #ecd2a8; color: var(--color-warning); }

.complex-case-box {
  background: var(--color-warning-tint);
  border: 1px solid #ecd2a8;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin-top: var(--space-4);
}
.complex-case-box h4 { margin: 0 0 var(--space-2); color: var(--color-warning); font-size: 1rem; }
.complex-case-box ul { margin: 0; padding-left: 1.2em; font-size: 0.9rem; }
.complex-case-box li { margin-bottom: var(--space-2); }

.result-disclaimer {
  font-size: 0.82rem;
  color: var(--color-ink-muted);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
}

.result-actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-5); }
.result-actions > * { margin-right: var(--space-3); margin-bottom: var(--space-3); }

/* ---------- Content sections ---------- */
.content-section { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.content-section h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-top: var(--space-7);
  margin-bottom: var(--space-3);
}
.content-section h2:first-child { margin-top: 0; }
.content-section h3 { font-size: 1.15rem; margin-top: var(--space-5); margin-bottom: var(--space-2); }
.content-section p { color: var(--color-ink-muted); max-width: 72ch; }
.content-section ul, .content-section ol { color: var(--color-ink-muted); max-width: 72ch; }

.table-wrap { overflow-x: auto; margin-top: var(--space-4); margin-bottom: var(--space-4); }
.table-wrap table { border-collapse: collapse; width: 100%; min-width: 480px; }
.table-wrap th, .table-wrap td {
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-3);
  text-align: left;
  font-size: 0.9rem;
}
.table-wrap th { background: var(--color-primary-tint); }

.content-image { margin-top: var(--space-5); margin-bottom: var(--space-5); }
.content-image.align-center { text-align: center; }
.content-image img { border-radius: var(--radius-md); margin-left: auto; margin-right: auto; }
.content-image figcaption { font-size: 0.82rem; color: var(--color-ink-muted); margin-top: var(--space-2); }

/* ---------- FAQ ---------- */
.faq-list { border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary {
  padding: var(--space-4) 0;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 1.3rem; color: var(--color-primary); flex-shrink: 0; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding-bottom: var(--space-4); margin: 0; color: var(--color-ink-muted); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #d7e2e6;
  margin-top: var(--space-8);
}
.site-footer .container { padding-top: var(--space-7); padding-bottom: var(--space-7); }
.footer-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .footer-grid { grid-template-columns: 1.3fr 1fr; }
}
.footer-brand { display: flex; align-items: center; gap: var(--space-2); font-family: var(--font-display); font-size: 1.1rem; color: #fff; margin-bottom: var(--space-3); }
.footer-brand img { height: 24px; margin-right: var(--space-2); }
.site-footer p { font-size: 0.9rem; line-height: 1.6; color: #b7c8ce; max-width: 48ch; }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.footer-nav li:not(:first-child) { margin-top: var(--space-2); }
.footer-nav a { color: #d7e2e6; text-decoration: none; font-size: 0.9rem; }
.footer-nav a:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  font-size: 0.82rem;
  color: #94a7ae;
}

/* ---------- Print ---------- */
@media print {
  .site-header, .site-footer, .ad-slot, .calculator, .result-actions, .skip-link { display: none !important; }
  body { background: #fff; }
  .results { display: block !important; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}