:root {

  --bg: #f5f3ee;

  --panel: #ffffff;

  --ink: #202124;

  --muted: #62666d;

  --brand: #7a4f2a;

  --brand-dark: #5f3b1d;

  --accent: #d9a441;

  --accent-soft: #fff4d6;

  --line: #e2ded7;

  --success-bg: #eef7ee;

  --success-line: #4f8f57;

  --danger-bg: #fff0f0;

  --danger-line: #c24b4b;

  --shadow: 0 14px 35px rgba(31, 24, 18, 0.09);

  --radius: 18px;

}



* { box-sizing: border-box; }



body {

  margin: 0;

  font-family: Arial, Helvetica, sans-serif;

  background: radial-gradient(circle at top left, #fff9e9 0, var(--bg) 360px);

  color: var(--ink);

}



body.modal-open { overflow: hidden; }



a { color: var(--brand); text-decoration: none; font-weight: 700; }

a:hover { text-decoration: underline; }



.site-header {

  background: #211912;

  color: #fff;

  padding: 20px;

}



.header-inner {

  max-width: 1100px;

  margin: 0 auto;

  display: flex;

  align-items: center;

  justify-content: space-between;

  gap: 18px;

  flex-wrap: wrap;

}



.logo { font-size: 1.25rem; font-weight: 900; letter-spacing: 0.02em; }

.logo span { color: var(--accent); }



.nav-links { display: flex; gap: 10px; flex-wrap: wrap; }

.nav-links a {

  color: #fff;

  padding: 9px 12px;

  border: 1px solid rgba(255,255,255,0.2);

  border-radius: 999px;

  line-height: 1;

}

.nav-links a.active, .nav-links a:hover {

  background: var(--accent);

  color: #211912;

  text-decoration: none;

}



main {

  max-width: 1100px;

  margin: 0 auto;

  padding: 30px 20px 56px;

}



.hero {

  background: linear-gradient(135deg, #ffffff 0%, #fff8e4 100%);

  border: 1px solid var(--line);

  border-radius: var(--radius);

  box-shadow: var(--shadow);

  padding: 26px;

  margin-bottom: 22px;

}



.hero h1 { margin: 0 0 10px; font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1; }

.hero p { margin: 0; color: var(--muted); max-width: 760px; font-size: 1.05rem; line-height: 1.55; }



.mobile-page-title { display: none; }



.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }

.card, .calculator {

  background: var(--panel);

  border: 1px solid var(--line);

  border-radius: var(--radius);

  box-shadow: var(--shadow);

  padding: 24px;

}

.card h2, .calculator h2 { margin-top: 0; }

.card p, .helper { color: var(--muted); line-height: 1.55; }



.cta-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }

.button, button {

  display: inline-block;

  border: 0;

  border-radius: 999px;

  background: var(--brand);

  color: #fff;

  padding: 12px 18px;

  font-weight: 800;

  cursor: pointer;

  font-size: 1rem;

  text-align: center;

}

.button.secondary, button.secondary {

  background: #fff;

  color: var(--brand);

  border: 1px solid var(--line);

}

button:hover, .button:hover {

  background: var(--brand-dark);

  color: #fff;

  text-decoration: none;

}

.button.secondary:hover, button.secondary:hover {

  background: var(--accent-soft);

  color: var(--brand-dark);

}



.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }

.field { display: flex; flex-direction: column; gap: 7px; }

.field.full { grid-column: 1 / -1; }

label { font-weight: 800; }

.field label .field-hint {
  color: var(--muted);
  font-size: 0.92rem;
  font-style: italic;
  font-weight: 400;
}

.mobile-label { display: none; }


input, select {

  width: 100%;

  border: 1px solid #d6d0c8;

  border-radius: 12px;

  padding: 12px;

  font-size: 1rem;

  background: #fff;

}

input:focus, select:focus { outline: 3px solid rgba(217, 164, 65, 0.3); border-color: var(--accent); }



.field-advanced {

  grid-column: 1 / -1;

  margin: 2px 0 4px;

  padding: 14px;

  border: 1px solid var(--line);

  border-radius: 14px;

  background: #faf8f4;

}

.field-advanced summary {

  cursor: pointer;

  font-weight: 800;

  color: var(--brand);

}

.field-advanced .form-grid {

  margin-top: 14px;

}

.field-advanced .small {

  margin-top: 10px;

}



.result {

  margin-top: 20px;

  padding: 18px;

  border-radius: 14px;

  background: var(--success-bg);

  border-left: 6px solid var(--success-line);

  line-height: 1.7;

}

.result.error { background: var(--danger-bg); border-left-color: var(--danger-line); }

.result.placeholder {

  background: #f7f4ef;

  border-left-color: #b8ab98;

}

.result strong { font-size: 1.06em; }

.primary-answer {

  padding: 2px 0 12px;

  margin-bottom: 10px;

  border-bottom: 1px solid rgba(79, 143, 87, 0.22);

}

.primary-answer-label {

  color: var(--success-line);

  font-size: 0.86rem;

  font-weight: 900;

  letter-spacing: 0.08em;

  text-transform: uppercase;

  line-height: 1.1;

}

.primary-answer-value {

  margin-top: 3px;

  color: var(--ink);

  font-size: 2.25rem;

  line-height: 1;

  font-weight: 900;

}

.supporting-results { display: grid; gap: 2px; }

.result .answer-line { font-size: 1.03rem; }

.result details { margin-top: 10px; }

.result summary { cursor: pointer; font-weight: 800; color: var(--brand); }



.more-calculators-row { margin-top: 14px; display: flex; justify-content: flex-start; }

.more-calculators-row .button { min-width: 190px; }



.note-box {

  margin-top: 20px;

  padding: 16px;

  background: var(--accent-soft);

  border: 1px solid #efd48b;

  border-radius: 14px;

  color: #493618;

  line-height: 1.55;

}



.cross-links { margin-top: 24px; display: flex; gap: 14px; flex-wrap: wrap; }

.site-footer {

  max-width: 1100px;

  margin: 0 auto;

  padding: 24px 20px 40px;

  color: var(--muted);

  font-size: 0.95rem;

}

.site-footer a {

  color: var(--brand);

  font-weight: 800;

}

.footer-links {

  display: flex;

  gap: 14px;

  flex-wrap: wrap;

  align-items: center;

  justify-content: space-between;

}

.footer-note {

  flex: 1 1 420px;

  min-width: 220px;

  line-height: 1.55;

}

.legal-links {

  display: flex;

  gap: 12px;

  flex-wrap: wrap;

  align-items: center;

}

.copyright {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.88rem;
}

.small { font-size: 0.9rem; color: var(--muted); }


.policy-layout {

  display: grid;

  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 22px;

}

.policy-card {

  background: var(--panel);

  border: 1px solid var(--line);

  border-radius: var(--radius);

  box-shadow: var(--shadow);

  padding: 24px;

}

.policy-card h2 {

  margin-top: 0;

}

.policy-card p,

.policy-card li {

  color: var(--muted);

  line-height: 1.6;

}

.policy-list {

  margin: 0;

  padding-left: 20px;

}



.modal-backdrop {

  display: none;

  position: fixed;

  inset: 0;

  z-index: 1000;

  background: rgba(18, 14, 10, 0.55);

  padding: 22px;

}

.modal-backdrop.open {

  display: flex;

  align-items: center;

  justify-content: center;

}

.modal-panel {

  width: min(640px, 100%);

  max-height: 75vh;

  overflow: hidden;

  background: #fff;

  border-radius: 20px;

  box-shadow: 0 24px 70px rgba(0,0,0,0.25);

  display: flex;

  flex-direction: column;

}

.modal-header {

  display: flex;

  justify-content: space-between;

  align-items: center;

  gap: 14px;

  padding: 18px 20px 10px;

}

.modal-title { margin: 0; font-size: 1.35rem; }

.close-modal {

  width: 38px;

  height: 38px;

  border-radius: 50%;

  padding: 0;

  line-height: 1;

}

.modal-body {

  padding: 0 20px 20px;

  overflow-y: auto;

}

.calculator-search { margin: 8px 0 14px; }

.calculator-list { display: grid; gap: 12px; }

.calculator-category { margin-top: 8px; }

.calculator-category h3 {

  margin: 14px 0 8px;

  color: var(--muted);

  font-size: 0.9rem;

  text-transform: uppercase;

  letter-spacing: 0.06em;

}

.calculator-link {

  display: block;

  padding: 13px 14px;

  border: 1px solid var(--line);

  border-radius: 14px;

  background: #fffdf8;

}

.calculator-link:hover { background: var(--accent-soft); text-decoration: none; }

.calculator-link small { display: block; color: var(--muted); font-weight: 400; margin-top: 3px; line-height: 1.35; }

.calculator-link.disabled {

  color: var(--ink);

  background: #f7f4ef;

  cursor: default;

}

.calculator-link.disabled:hover {

  background: #f7f4ef;

  text-decoration: none;

}



@media (max-width: 760px) {

  body { background: var(--bg); }

  .site-header { padding: 10px 12px; position: sticky; top: 0; z-index: 20; }

  .header-inner { align-items: center; gap: 8px; }

  .logo { font-size: 1.05rem; }

  .nav-links { gap: 6px; }

  .nav-links a { padding: 7px 9px; font-size: 0.82rem; }

  .nav-links a:not(.active):not(:first-child) { display: none; }



  main { padding: 12px 10px 30px; }

  .hero.calculator-hero { display: none; }

  .mobile-page-title {

    display: block;

    margin: 4px 2px 10px;

  }

  .mobile-page-title h1 {

    margin: 0;

    font-size: 1.35rem;

    line-height: 1.1;

  }

  .mobile-page-title p {

    margin: 4px 0 0;

    color: var(--muted);

    font-size: 0.86rem;

  }



  .hero { padding: 16px; margin-bottom: 12px; }

  .hero h1 { font-size: 1.7rem; }

  .hero p { font-size: 0.95rem; }



  .grid,

  .policy-layout { grid-template-columns: 1fr; gap: 12px; }

  .card, .calculator, .policy-card { padding: 13px; border-radius: 14px; box-shadow: 0 8px 20px rgba(31, 24, 18, 0.07); }

  .calculator h2 { font-size: 1rem; margin-bottom: 10px; }



  .form-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 9px; }

  .field.full { grid-column: 1 / -1; }

  .field { gap: 4px; }

  label { font-size: 0.82rem; line-height: 1.15; }

  .desktop-label { display: none; }

  .mobile-label { display: inline; }

  input, select { padding: 9px 10px; border-radius: 10px; font-size: 0.95rem; }

  .small { font-size: 0.76rem; }

  button, .button { padding: 10px 13px; font-size: 0.92rem; }



  .field-advanced {

    padding: 11px;

    border-radius: 12px;

  }

  .field-advanced .form-grid {

    margin-top: 10px;

  }



  .result { margin-top: 12px; padding: 12px; border-left-width: 4px; line-height: 1.45; font-size: 0.95rem; }

  .primary-answer { padding-bottom: 9px; margin-bottom: 8px; }

  .primary-answer-label { font-size: 0.72rem; }

  .primary-answer-value { font-size: 2rem; }

  .result .answer-line { font-size: 0.95rem; }

  .result details { font-size: 0.88rem; }



  .more-calculators-row { margin-top: 9px; }

  .more-calculators-row .button { min-width: 0; padding: 8px 12px; font-size: 0.86rem; }

  .note-box { display: none; }

  .cross-links { display: none; }

  .site-footer { padding: 8px 12px 24px; font-size: 0.82rem; }

  .footer-links {

    gap: 10px;

    align-items: flex-start;

    justify-content: flex-start;

  }

  .footer-note {

    flex-basis: 100%;

  }

  .legal-links {

    gap: 10px;

  }



  .modal-backdrop { padding: 10px; align-items: flex-end; }

  .modal-panel { width: 100%; max-height: 78vh; border-radius: 18px 18px 10px 10px; }

  .modal-header { padding: 12px 14px 6px; }

  .modal-title { font-size: 1.05rem; }

  .close-modal { width: 32px; height: 32px; }

  .modal-body { padding: 0 14px 14px; }

  .calculator-search { margin: 6px 0 10px; }

  .calculator-category h3 { font-size: 0.78rem; margin: 10px 0 6px; }

  .calculator-link { padding: 10px 11px; border-radius: 12px; font-size: 0.92rem; }

  .calculator-link small { display: none; }

}



@media (max-width: 360px) {

  .form-grid { grid-template-columns: 1fr; }

}