:root {
  --bg: #f6f8fb;
  --card: #fff;
  --accent: #0078d4;
  --teal: #0078d4;
  --teal-deep: #000000;
  --clay: #0078d4;
  --ink: #111;
  --ink-soft: #6b7280;
  --line: #e6edf3;
  --radius: 10px;
}

body {
  font-family: Inter, system-ui, Segoe UI, Arial, sans-serif;
  margin: 0;
  background: var(--bg);
  color: #111;
}
.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

header {
  background: linear-gradient(90deg, var(--accent), #000000);
  color: #fff;
  padding: 12px;
}

header nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-weight: 700;
  font-size: 1.25rem;
  font-family: Inter, system-ui, Segoe UI, Arial, sans-serif !important;
  color: #fff;
}

/* Header */
.site-header {
  background: var(--teal-deep);
  color: #fff;
  padding: 22px 0;
}
.site-header .wrap {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
}
.mark {
  font-family: 'Source Serif 4', serif;
  font-size: 1.3rem;
  font-weight: 600;
}
.tag {
  font-size: 0.85rem;
  color: #c9ddd6;
}

/* Intro */
.intro {
  padding: 48px 0 28px;
}
.intro h1 {
  font-size: 2rem;
  margin: 0 0 16px;
  color: var(--teal-deep);
}
.lede {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0 0 12px;
}
.lede.small {
  font-size: 0.92rem;
  border-left: 3px solid var(--clay);
  padding-left: 14px;
}
.lede a { color: var(--teal-deep); font-weight: 600; }

/* Cards */
.card {
  background: var(--card);
  border-radius: 10px;
  padding: 20px 40px;
  box-shadow: 0 6px 18px rgba(16,24,40,0.06);
  border: none;
}
.card h2 {
  margin-top: 0;
  font-size: 1.4rem;
  color: var(--teal-deep);
}
.card p { color: var(--ink-soft); }

/* Form */
.field-group {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.field-group:last-of-type {
  border-bottom: none;
}
.group-title {
  font-size: 1.05rem;
  margin: 0 0 16px;
   color: #0078d4 !important;
}
label {
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin: 16px 0 6px;
  color: var(--ink);
}
label:first-of-type { margin-top: 0; }
input[type="number"],
select {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #e6edf3;
  margin-top: 6px;
  background: #fff;
}

input:focus, select:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}
.hint {
  font-size: 0.82rem;
  color: #7c7264;
  margin: 6px 0 0;
}
.field-error {
  font-size: 0.82rem;
  color: #b03a2e;
  margin: 5px 0 0;
  font-weight: 500;
}
.checkbox-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 14px;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 400;
  font-size: 0.94rem;
  margin: 0;
}
.checkbox-label input { width: auto; margin: 0; }

.btn-primary {
  width: 100%;
  padding: 14px 18px;
  background: var(--teal);
  color: #fff;
  font-size: 1.02rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 8px;
  transition: background 0.15s ease;
}
.btn-primary {
  background: var(--accent);
  border-radius: 8px;
}

.btn-primary:hover {
  background: #005ea2;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 11.5px 14px;
  background: var(--accent);
  color: #fff;

  border-radius: 8px;
  text-decoration: none;
  font-size: 0.9rem;
  transition: background 0.15s ease;
}



.btn-back:hover {
  background: rgba(255,255,255,0.15);
}

/* Results */
.result {
  margin-top: 32px;
  padding-top: 28px;
  border-top: 2px solid var(--line);
}
.result h2 { font-size: 1.2rem; }
.result-figures {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  margin: 20px 0;
}
.figure {
  flex: 1;
  min-width: 160px;
  padding: 18px;
  border-radius: 8px;
  background: #f4f1e9;
  text-align: center;
}
.figure.highlight {
  background: #ece3da;
  border: 2px solid var(--clay);
}
.figure-label {
  display: block;
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.figure-value {
  display: block;
  font-family: 'Source Serif 4', serif;
  font-size: 2rem;
  font-weight: 600;
  color: var(--teal-deep);
}
.figure-arrow {
  font-size: 1.5rem;
  color: var(--ink-soft);
}
.result-note {
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.result-disclaimer {
  font-size: 0.85rem;
  color: #8a7f6e;
  font-style: italic;
}

/* Methodology / sources */
.methodology p, .sources p { font-size: 0.95rem; }
.sources ul {
  padding-left: 20px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.sources li { margin-bottom: 10px; }
.footnote {
  font-size: 0.82rem;
  color: #8a7f6e;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 16px;
}

footer {
  margin: 40px 0 80px;
  color: #6b7280;
  text-align: center;
}

@media (max-width: 600px) {
  .card { padding: 22px; }
  .intro { padding: 32px 0 20px; }
  .intro h1 { font-size: 1.6rem; }
}