*, *::before, *::after { box-sizing: border-box; }
:root {
  --ink: #0A0A0A;
  --paper: #fff;
  --white: #fff;
  --mist: #EDEDED;
  --line: #E4E4E4;
  --muted: #6E6E6E;
  --sage: #2f5d50;
  --sage-dark: #193a32;
  --sage-pale: #e9f0eb;
  --gold: #b49154;
  --gold-pale: #f2ebdf;
  --red: #8b2f2f;
  --red-pale: #f4e5e2;
  --field: #f7f7f7;
}
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Manrope", Arial, sans-serif;
  font-weight: 400;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; display: block; }
button, input, select { font: inherit; }
.site-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 48px;
  background: rgba(255,255,255,.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.brand-logo { width: 142px; }
.nav-links { display: flex; align-items: center; gap: 26px; list-style: none; margin: 0; padding: 0; }
.nav-links a, .text-link {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  transition: color .2s;
}
.nav-links a:hover, .text-link:hover { color: var(--ink); }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: "Manrope", sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 12px 22px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  transition: .25s;
  white-space: nowrap;
  min-height: 44px;
}
.btn:hover { background: #fff; color: var(--ink); }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn-secondary:hover { background: var(--ink); color: #fff; }
.breadcrumb {
  max-width: 1240px;
  margin: 0 auto;
  padding: 18px 48px 0;
  color: var(--muted);
  font-size: 12px;
}
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }
.hero {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(420px, 1.1fr);
  gap: 42px;
  padding: 62px 48px 74px;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
}
.kicker::before { content: ""; width: 34px; height: 1px; background: currentColor; }
h1, h2, h3 {
  margin: 0;
  font-family: "Jost", sans-serif;
  font-weight: 400;
  line-height: 1.04;
  letter-spacing: -.01em;
}
h1 { font-size: clamp(40px, 5.4vw, 62px); }
h2 { font-size: clamp(30px, 3.4vw, 48px); }
h3 { font-size: 24px; font-weight: 500; }
.hero-lede { max-width: 650px; margin: 26px 0 0; color: #444; font-size: 18px; line-height: 1.6; }
.trust-row, .hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.trust-pill {
  padding: 6px 12px;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.calculator-card { background: var(--white); border: 1px solid var(--line); box-shadow: 0 24px 70px rgba(10,10,10,.07); }
.calculator-head { padding: 16px 24px; background: var(--ink); color: #fff; }
.calculator-head p { margin: 8px 0 0; color: #aaa; }
.calculator-body { padding: 26px 28px; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field label { display: block; margin-bottom: 7px; color: #444; font-size: 13px; font-weight: 500; }
.field input, .field select {
  width: 100%;
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  background: var(--field);
  color: var(--ink);
  font-family: "Manrope", sans-serif;
}
.field input:focus, .field select:focus { outline: 2px solid var(--ink); outline-offset: 1px; }
.calculator-actions { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-top: 22px; }
.calculator-actions p { margin: 0; color: var(--muted); font-size: 12px; }
.results {
  padding: 28px;
  border-top: 1px solid var(--line);
  background: var(--sage-pale);
}
.result-banner { display: flex; justify-content: space-between; gap: 18px; align-items: end; margin-bottom: 20px; }
.result-banner p { margin: 0; color: var(--sage-dark); font-size: 13px; font-weight: 600; }
.result-banner strong { display: block; font-family: "Jost"; font-size: 44px; font-weight: 400; line-height: 1; }
.result-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: #cbd8d0; border: 1px solid #cbd8d0; }
.result-item { min-height: 112px; padding: 18px; background: var(--white); }
.result-item span { display: block; color: var(--muted); font-size: 12px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; }
.result-item strong { display: block; margin-top: 8px; font-family: "Jost"; font-size: 32px; font-weight: 400; line-height: 1; }
.result-item p { margin: 9px 0 0; color: #555; font-size: 12px; }
.result-notes { margin-top: 18px; padding: 16px; background: var(--white); border: 1px solid #cbd8d0; }
.result-notes h3 { font-size: 20px; }
.result-notes ul { margin: 12px 0 0; padding-left: 18px; }
.result-notes li { margin: 5px 0; color: #444; font-size: 13px; }
.conversion { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.section { border-top: 1px solid var(--line); padding: 76px 48px; }
.section.dark { background: var(--ink); color: #fff; }
.section-inner { max-width: 1144px; margin: 0 auto; }
.section-head { display: grid; grid-template-columns: minmax(0, .85fr) minmax(280px, .55fr); gap: 36px; align-items: end; }
.section-copy { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.6; }
.dark .section-copy { color: #aaa; }
.content-grid, .related-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; margin-top: 38px; background: var(--line); border: 1px solid var(--line); }
.content-card { padding: 26px; background: var(--white); }
.dark .content-grid { background: #222; border-color: #222; }
.dark .content-card { background: #0b0b0b; }
.content-card h3 { font-size: 22px; margin-bottom: 12px; }
.content-card p { margin: 0; color: var(--muted); font-size: 14.5px; }
.dark .content-card p { color: #aaa; }
.content-card a { display: inline-block; margin-top: 17px; font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; text-decoration: none; color: var(--ink); }
.dark .content-card a { color: #ccc; }
.source-list { margin: 28px 0 0; padding-left: 18px; }
.source-list li { margin: 8px 0; font-size: 14.5px; color: #444; }
.reviewer {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 28px;
  margin-top: 36px;
  padding: 22px;
  border: 1px solid var(--line);
  background: var(--white);
  align-items: center;
}
.reviewer p { margin: 5px 0 0; color: var(--muted); font-size: 14px; }
.reviewer time { color: var(--muted); font-size: 13px; }
.disclaimer {
  margin-top: 24px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--mist);
  color: #555;
  font-size: 12.5px;
  line-height: 1.6;
}
.footer { padding: 28px 48px; border-top: 1px solid var(--line); }
.footer-inner { max-width: 1144px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.footer-logo { width: 130px; }
.footer p { max-width: 680px; margin: 0; color: var(--muted); font-size: 12px; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  place-items: center;
  padding: 22px;
  background: rgba(10,10,10,.72);
}
.modal.is-open { display: grid; }
.modal-card { width: min(520px, 100%); padding: 28px; background: var(--paper); border: 1px solid var(--line); }
.modal-head { display: flex; justify-content: space-between; gap: 18px; }
.modal-head button { border: 0; background: transparent; font-size: 28px; cursor: pointer; }
.modal-card form { display: grid; gap: 14px; margin-top: 22px; }
.form-status { min-height: 20px; margin: 0; color: var(--muted); font-size: 12px; }
.preview-bar { padding: 10px 18px; background: #fff1bf; border-bottom: 1px solid #dbc36a; font: 500 12px Arial, sans-serif; text-align: center; }
.preview-frame { width: 100%; height: calc(100vh - 37px); border: 0; display: block; }
.hub-hero { max-width: 1144px; margin: 0 auto; padding: 72px 48px 42px; border-bottom: 1px solid var(--line); }
.hub-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 38px; }
.hub-card { padding: 28px; border: 1px solid var(--line); background: var(--white); transition: border-color .2s; }
.hub-card:hover { border-color: var(--ink); }
.hub-card .status { color: var(--muted); font-size: 11.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; }
.hub-card h2 { margin-top: 10px; font-size: 32px; }
.hub-card p { color: var(--muted); margin-top: 10px; font-size: 14.5px; }
.hub-card a { font-size: 13px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; text-decoration: none; color: var(--ink); display: inline-block; margin-top: 16px; }
.page-head {
  padding: 58px 48px 36px;
  border-bottom: 1px solid var(--line);
}
.page-head-inner { max-width: 760px; }
.tool-wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 46px 48px 76px;
}
.hub-section {
  max-width: 1144px;
  margin: 0 auto;
  padding: 46px 48px 76px;
}
@media (max-width: 920px) {
  .site-nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hero { grid-template-columns: 1fr; padding: 44px 20px 58px; }
  .breadcrumb { padding-left: 20px; padding-right: 20px; }
  .section { padding: 58px 20px; }
  .section-head, .content-grid, .related-grid, .hub-grid { grid-template-columns: 1fr; }
  .hub-hero { padding: 44px 20px 36px; }
  .page-head { padding: 44px 20px 28px; }
  .tool-wrap, .hub-section { padding: 36px 20px 58px; }
}
@media (max-width: 620px) {
  .field-grid, .result-grid { grid-template-columns: 1fr; }
  .calculator-body, .results, .calculator-head { padding: 20px; }
  .calculator-actions, .result-banner, .reviewer, .footer-inner { align-items: flex-start; flex-direction: column; display: flex; }
  .footer { padding: 24px 20px; }
}