:root {
  --bg: #ffffff;
  --bg-subtle: #f7f8fa;
  --border: #e3e6ea;
  --text: #1a1d23;
  --text-muted: #5b6270;
  --brand: #0f6e5c;
  --brand-dark: #0b5548;
  --accent: #eef7f4;
  --danger: #b3261e;
  --radius: 10px;
  --max-width: 720px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.55;
}

a { color: var(--brand-dark); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

header.site-header {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
}

.brand span { color: var(--brand); }

nav.site-nav {
  display: flex;
  gap: 16px;
  font-size: 0.92rem;
}

nav.site-nav a {
  color: var(--text-muted);
  text-decoration: none;
}

nav.site-nav a:hover { color: var(--text); }

main {
  padding: 32px 0 56px;
}

h1 {
  font-size: 1.6rem;
  line-height: 1.25;
  margin: 0 0 8px;
}

h2 {
  font-size: 1.15rem;
  margin: 28px 0 10px;
}

p.lede {
  color: var(--text-muted);
  margin: 0 0 24px;
  font-size: 1rem;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
}

label {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  margin: 14px 0 6px;
}

label:first-child { margin-top: 0; }

.field-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
}

input[type="number"],
input[type="date"],
input[type="text"],
select {
  width: 100%;
  font-size: 1rem;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
}

input:focus, select:focus {
  outline: 2px solid var(--brand);
  outline-offset: 1px;
}

.rupee-input {
  position: relative;
}

.rupee-input::before {
  content: "₹";
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.rupee-input input { padding-left: 26px; }

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

@media (max-width: 480px) {
  .row { grid-template-columns: 1fr; }
}

button.primary {
  margin-top: 20px;
  width: 100%;
  padding: 13px 18px;
  font-size: 1rem;
  font-weight: 600;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 8px;
  cursor: pointer;
}

button.primary:hover { background: var(--brand-dark); }

details.advanced {
  margin-top: 18px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

details.advanced summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.result {
  margin-top: 24px;
  display: none;
}

.result.visible { display: block; }

.result-headline {
  background: var(--accent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  text-align: center;
}

.result-headline .amount {
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--brand-dark);
  margin: 4px 0;
}

.result-headline .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.result-headline .range-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 6px;
}

table.breakdown {
  width: 100%;
  border-collapse: collapse;
  margin-top: 18px;
  font-size: 0.92rem;
}

table.breakdown th {
  text-align: left;
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}

table.breakdown td {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

table.breakdown td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.breakdown tr.total td { font-weight: 700; border-bottom: none; padding-top: 12px; }

.assumptions {
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.assumptions strong { color: var(--text); }

.next-steps {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}

.next-steps a {
  display: block;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 600;
}

.next-steps a:hover { border-color: var(--brand); background: var(--accent); }

.tool-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.tool-grid a.tool-card {
  display: block;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--text);
}

.tool-grid a.tool-card:hover { border-color: var(--brand); background: var(--accent); }

.tool-card .tool-title { font-weight: 700; margin-bottom: 4px; }
.tool-card .tool-desc { font-size: 0.85rem; color: var(--text-muted); }

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 24px 0 40px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

footer.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  justify-content: space-between;
}

footer.site-footer a { color: var(--text-muted); }

.disclaimer-banner {
  font-size: 0.78rem;
  color: var(--text-muted);
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 20px;
}

.premium-teaser {
  margin-top: 20px;
  padding: 16px;
  border: 1px dashed var(--brand);
  border-radius: 8px;
  background: var(--accent);
}

.premium-teaser-copy {
  font-size: 0.88rem;
  margin-bottom: 12px;
}

button.premium-cta {
  padding: 9px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

button.premium-cta:hover { background: var(--brand-dark); }
button.premium-cta:disabled { opacity: 0.6; cursor: default; }

.premium-teaser-reveal {
  display: none;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.premium-teaser-reveal.visible { display: block; }

.faq { margin-top: 8px; }
.faq h3 { font-size: 0.98rem; margin: 18px 0 4px; }
.faq p { margin: 0; color: var(--text-muted); font-size: 0.92rem; }

.prose h1 { margin-top: 0; }
.prose h2 { font-size: 1.1rem; }
.prose p, .prose li { color: var(--text-muted); font-size: 0.94rem; }