:root {
  --ink: #17211c;
  --muted: #617067;
  --line: #dfe7e2;
  --paper: #fbfcf8;
  --surface: #ffffff;
  --accent: #157a5b;
  --accent-dark: #0f5d47;
  --gold: #f1b84b;
  --blue: #2f6f9f;
  --soft: #eef7f1;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}

a { color: inherit; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(251, 252, 248, 0.94);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
}

.brand {
  font-weight: 800;
  font-size: 1.15rem;
  text-decoration: none;
  letter-spacing: 0;
}

.site-header nav,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: var(--muted);
  font-size: 0.94rem;
}

.site-header a,
.site-footer a { text-decoration: none; }

main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero,
.page-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: 32px;
  align-items: center;
  padding: clamp(38px, 8vw, 86px) 0 34px;
}

.page-hero { padding-bottom: 18px; }

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-weight: 750;
  text-transform: uppercase;
  font-size: 0.78rem;
}

h1, h2, h3 { line-height: 1.12; margin: 0; letter-spacing: 0; }
h1 { font-size: clamp(2.1rem, 5vw, 4.5rem); max-width: 890px; }
h2 { font-size: clamp(1.35rem, 2.5vw, 2rem); }
h3 { font-size: 1.1rem; }
p { margin: 0; }

.lede {
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 720px;
  margin-top: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button,
button {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  padding: 11px 16px;
  border-radius: 8px;
  font: inherit;
  font-weight: 750;
  text-decoration: none;
  cursor: pointer;
}

.button.primary,
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

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

.hero-panel,
.ad-slot,
.callout {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
}

.hero-panel {
  padding: 26px;
  display: grid;
  gap: 8px;
}

.hero-panel strong {
  font-size: 3.4rem;
  line-height: 1;
}

.panel-label,
.small-label {
  color: var(--muted);
  font-size: 0.85rem;
}

.tool-grid,
.article-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin: 32px 0;
}

.card {
  display: grid;
  gap: 10px;
  min-height: 160px;
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  text-decoration: none;
}

.card p,
.content-section p,
.callout p,
.result-note { color: var(--muted); }

.calculator-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.85fr);
  gap: 22px;
  align-items: start;
  margin: 26px 0;
}

.calculator,
.results,
.content-section {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 8px;
  padding: 22px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 700;
  font-size: 0.92rem;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 11px 12px;
  font: inherit;
}

.results {
  display: grid;
  gap: 14px;
}

.metric {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.metric:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.metric span { color: var(--muted); }
.metric strong { font-size: 1.28rem; text-align: right; }

.ad-slot {
  min-height: 96px;
  display: grid;
  place-items: center;
  color: #7b877f;
  background: repeating-linear-gradient(135deg, #fff, #fff 10px, #f7faf6 10px, #f7faf6 20px);
  margin: 28px 0;
  font-size: 0.9rem;
}

.content-band,
.content-section {
  margin: 34px 0;
}

.content-section {
  display: grid;
  gap: 16px;
}

.content-section ul {
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
}

.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.link-list a,
.tag {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 8px 12px;
  text-decoration: none;
  color: var(--accent-dark);
  font-weight: 700;
}

.state-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.state-table th,
.state-table td {
  border-bottom: 1px solid var(--line);
  padding: 12px;
  text-align: left;
}

.state-table th { background: var(--soft); }

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  margin-top: 56px;
}

@media (max-width: 860px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .page-hero,
  .calculator-shell {
    grid-template-columns: 1fr;
  }

  .tool-grid,
  .article-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  main { width: min(100% - 24px, 1120px); }
  .tool-grid,
  .article-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .hero-panel strong { font-size: 2.6rem; }
  .metric { align-items: flex-start; flex-direction: column; }
  .metric strong { text-align: left; }
}