:root {
  color-scheme: light;
  --ink: #17201c;
  --muted: #5d6963;
  --paper: #fbfaf6;
  --panel: #ffffff;
  --line: #d9ded7;
  --field: #f4f7f1;
  --evergreen: #1f5a43;
  --evergreen-dark: #153d2f;
  --gold: #b47618;
  --rust: #9a4738;
  --steel: #355565;
  --shadow: 0 16px 40px rgb(23 32 28 / 0.08);
  --radius: 8px;
  --max: 1120px;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.58;
}

a {
  color: var(--evergreen-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--rust);
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 18px;
  font-size: clamp(2.2rem, 4vw, 4.4rem);
}

h2 {
  margin-bottom: 16px;
  font-size: clamp(1.55rem, 2.4vw, 2.4rem);
}

h3 {
  margin-bottom: 10px;
  font-size: 1.08rem;
}

p {
  color: var(--muted);
}

ul,
ol {
  padding-left: 1.25rem;
}

li + li {
  margin-top: 8px;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--ink);
  padding: 10px 12px;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgb(180 118 24 / 0.32);
  outline-offset: 2px;
}

.shell {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: 12px;
  z-index: 10;
  transform: translateY(-140%);
  background: var(--ink);
  color: white;
  padding: 10px 14px;
  border-radius: 6px;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 5;
  border-bottom: 1px solid var(--line);
  background: rgb(251 250 246 / 0.94);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: block;
  object-fit: contain;
  flex: 0 0 auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px;
}

.site-nav a {
  border-radius: 999px;
  color: var(--muted);
  padding: 8px 12px;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: #e9efe7;
  color: var(--evergreen-dark);
}

.hero {
  border-bottom: 1px solid var(--line);
  padding: 46px 0 38px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  align-items: start;
  gap: 34px;
}

.hero:not(.hero-tool) .hero-grid {
  grid-template-columns: minmax(0, 820px);
}

.hero-copy {
  padding-top: 10px;
}

.eyebrow {
  margin-bottom: 10px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lede {
  max-width: 680px;
  margin-bottom: 24px;
  color: #3f4b45;
  font-size: 1.18rem;
}

.hero-actions,
.form-actions,
.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--evergreen);
  border-radius: 7px;
  background: var(--evergreen);
  color: white;
  cursor: pointer;
  font-weight: 800;
  padding: 10px 16px;
  text-align: center;
  text-decoration: none;
}

.button:hover {
  background: var(--evergreen-dark);
  color: white;
}

.button-secondary {
  border-color: var(--line);
  background: var(--panel);
  color: var(--evergreen-dark);
}

.button-secondary:hover {
  border-color: var(--evergreen);
  background: #eef4ea;
  color: var(--evergreen-dark);
}

.trust-note,
.fine-print,
.field-help,
.source-date,
.source-meta {
  font-size: 0.9rem;
}

.trust-note {
  max-width: 620px;
  margin-top: 18px;
}

.calculator-shell,
.lead-form {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 22px;
}

.calculator-shell {
  display: grid;
  gap: 20px;
}

.tool-heading h2 {
  margin-bottom: 8px;
  font-size: 1.5rem;
}

.calculator-form {
  display: grid;
  gap: 18px;
}

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

.field {
  display: grid;
  gap: 6px;
}

.field label {
  color: var(--ink);
  font-size: 0.94rem;
  font-weight: 800;
}

.field-help {
  margin-bottom: 0;
}

.calculator-result {
  border-left: 4px solid var(--gold);
  border-radius: 7px;
  background: var(--field);
  padding: 18px;
}

.calculator-result h2 {
  font-size: 1.25rem;
}

.calculator-result strong {
  color: var(--ink);
}

.content-section {
  padding: 58px 0;
}

.content-section + .content-section {
  border-top: 1px solid var(--line);
}

.section-inner {
  max-width: 980px;
}

.section-intro {
  max-width: 760px;
  color: #3f4b45;
  font-size: 1.08rem;
}

.card-grid,
.related-grid,
.source-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.info-card,
.related-card,
.source-card,
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 18px;
}

.info-card p:last-child,
.source-card p:last-child,
.faq-item p:last-child {
  margin-bottom: 0;
}

.text-link {
  display: inline-flex;
  margin-top: 4px;
  font-weight: 800;
}

.step-list {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  counter-reset: steps;
  list-style: none;
}

.step-list li {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  padding: 18px 18px 18px 60px;
  counter-increment: steps;
}

.step-list li::before {
  position: absolute;
  left: 18px;
  top: 18px;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--steel);
  color: white;
  content: counter(steps);
  font-size: 0.86rem;
  font-weight: 800;
}

.check-list {
  display: grid;
  gap: 10px;
  max-width: 820px;
  margin-top: 20px;
  padding: 0;
  list-style: none;
}

.check-list li {
  border-left: 4px solid var(--evergreen);
  background: var(--panel);
  padding: 12px 14px;
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.inline-links {
  margin-top: 22px;
}

.inline-links a {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  padding: 8px 12px;
  text-decoration: none;
}

.related-section,
.source-section,
.site-disclaimer {
  border-top: 1px solid var(--line);
  padding: 46px 0;
}

.related-card {
  display: grid;
  gap: 8px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.related-card small {
  color: var(--muted);
  font-weight: 500;
}

.section-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

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

.source-card a {
  font-weight: 800;
}

.site-disclaimer {
  background: #f6f1e7;
}

.disclaimer-inner {
  max-width: 920px;
}

.site-disclaimer h2 {
  font-size: 1.45rem;
}

.site-disclaimer details {
  border: 1px solid #dfd0b6;
  border-radius: var(--radius);
  background: rgb(255 255 255 / 0.62);
  padding: 12px 14px;
}

.site-disclaimer summary {
  cursor: pointer;
  color: var(--evergreen-dark);
  font-weight: 800;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--ink);
  color: white;
  padding: 34px 0;
}

.site-footer p,
.site-footer a {
  color: rgb(255 255 255 / 0.78);
}

.footer-brand {
  margin-bottom: 8px;
  color: white;
  font-weight: 900;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.lead-form {
  max-width: 860px;
  margin-top: 24px;
}

.lead-form .button {
  margin-top: 12px;
}

@media (max-width: 920px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 14px 0;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .hero-grid,
  .hero:not(.hero-tool) .hero-grid {
    grid-template-columns: 1fr;
  }

  .card-grid,
  .related-grid,
  .source-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .shell {
    width: min(100% - 24px, var(--max));
  }

  .hero {
    padding: 30px 0;
  }

  h1 {
    font-size: 2.15rem;
  }

  .site-nav a {
    padding: 7px 9px;
  }

  .hero-actions,
  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .form-grid,
  .card-grid,
  .related-grid,
  .source-grid {
    grid-template-columns: 1fr;
  }

  .calculator-shell,
  .lead-form {
    padding: 16px;
  }

  .content-section {
    padding: 42px 0;
  }

  .section-label-row,
  .footer-grid {
    align-items: flex-start;
    flex-direction: column;
    display: flex;
  }

  .site-footer nav {
    justify-content: flex-start;
  }
}