:root {
  --bg: #fbfaf7;
  --surface: #ffffff;
  --ink: #171717;
  --muted: #61605b;
  --line: #e7e0d4;
  --gold: #b88924;
  --gold-dark: #6f4c09;
  --green: #214e34;
  --blue: #244b6b;
  --soft: #f2eee6;
  --radius: 8px;
  --shadow: 0 20px 50px rgba(23, 23, 23, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

img,
svg {
  max-width: 100%;
}

input,
button {
  font: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  background: var(--ink);
  color: #fff;
  padding: 0.65rem 1rem;
  z-index: 20;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 250, 247, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(14px);
}

.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  text-decoration: none;
  font-weight: 800;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ink);
  color: #f8d77a;
  font-size: 0.78rem;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.nav-links a {
  color: var(--muted);
  text-decoration: none;
  font-weight: 650;
  font-size: 0.95rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--ink);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius);
  padding: 0.45rem 0.75rem;
}

.hero {
  padding: 88px 0 64px;
  background:
    linear-gradient(135deg, rgba(184, 137, 36, 0.14), rgba(33, 78, 52, 0.08)),
    var(--bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.7fr);
  gap: 48px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.7rem;
  color: var(--gold-dark);
  text-transform: uppercase;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

h1,
h2,
h3 {
  line-height: 1.1;
  letter-spacing: 0;
  margin: 0;
}

h1 {
  font-size: clamp(2.6rem, 7vw, 5.35rem);
  max-width: 780px;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3.1rem);
}

h3 {
  font-size: 1.14rem;
}

.lead {
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  color: var(--muted);
  max-width: 720px;
}

.narrow {
  max-width: 760px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.7rem 1rem;
  border-radius: var(--radius);
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--ink);
  color: #fff;
}

.button.secondary {
  border: 1px solid var(--line);
  background: var(--surface);
}

.hero-panel,
.tool-card,
.calculator,
.contact-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero-panel {
  padding: 1.3rem;
}

.metric-row,
.metric-grid div {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
}

.metric-row span,
.metric-grid span {
  color: var(--muted);
  font-size: 0.88rem;
}

.metric-row strong {
  font-size: 1.8rem;
}

.chart-bars {
  min-height: 220px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.8rem;
  align-items: end;
  margin: 1.5rem 0;
  padding: 1rem;
  border-radius: var(--radius);
  background: var(--soft);
}

.chart-bars span {
  display: block;
  border-radius: 7px 7px 0 0;
  background: linear-gradient(180deg, #d6ad4d, #244b6b);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
}

.metric-grid div {
  display: block;
  padding: 0.8rem;
  border-radius: var(--radius);
  background: #fbfaf7;
}

.metric-grid strong {
  display: block;
  margin-top: 0.15rem;
}

.section {
  padding: 76px 0;
}

.section.muted {
  background: var(--soft);
}

.split,
.article-preview {
  display: grid;
  grid-template-columns: minmax(260px, 0.85fr) minmax(0, 1fr);
  gap: 42px;
}

.rich-text p:first-child {
  margin-top: 0;
}

.check-list {
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 1.55rem;
  margin: 0.75rem 0;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--green);
}

.section-heading {
  max-width: 720px;
  margin-bottom: 2rem;
}

.section-heading p {
  color: var(--muted);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.tool-card {
  padding: 1.25rem;
}

.tool-card p {
  color: var(--muted);
}

.tool-card a {
  color: var(--green);
  font-weight: 800;
  text-decoration: none;
}

.text-link {
  color: var(--green);
  font-weight: 800;
  text-underline-offset: 4px;
}

.ad-band {
  padding: 24px 0;
}

.inline-ad {
  padding: 0;
}

.ad-slot {
  width: min(970px, calc(100% - 32px));
  min-height: 92px;
  margin: 0 auto;
  display: grid;
  place-items: center;
  border: 1px dashed #c9bda8;
  border-radius: var(--radius);
  background: #fffdf8;
  color: #8a806e;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.notice {
  margin-block: 38px;
  padding: 1rem;
  border: 1px solid #e2c66e;
  border-radius: var(--radius);
  background: #fff7dd;
  color: #4e3d09;
}

.page-hero {
  padding: 72px 0 44px;
  background: linear-gradient(135deg, #fbfaf7, #f0eadf);
  border-bottom: 1px solid var(--line);
}

.calculator-list {
  display: grid;
  gap: 1rem;
}

.calculator {
  display: grid;
  grid-template-columns: minmax(240px, 0.72fr) minmax(0, 1fr);
  gap: 1.2rem;
  padding: 1.2rem;
  scroll-margin-top: 92px;
}

.calculator-copy p {
  color: var(--muted);
}

.calc-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.calc-form label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 700;
}

.calc-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  padding: 0.68rem 0.75rem;
}

.calc-result {
  grid-column: 1 / -1;
  display: block;
  padding: 1rem;
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
}

.prose {
  max-width: 820px;
}

.prose h2 {
  margin-top: 2rem;
  font-size: 1.55rem;
}

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

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.contact-card {
  padding: 1.25rem;
}

.contact-card p {
  color: var(--muted);
}

.site-footer {
  padding: 48px 0 24px;
  background: #171717;
  color: #f6f2e8;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 180px 180px;
  gap: 2rem;
}

.footer-brand {
  color: #fff;
}

.site-footer p {
  color: #cfc7b8;
  max-width: 520px;
}

.site-footer h3 {
  font-size: 0.92rem;
  margin-bottom: 0.7rem;
}

.site-footer a {
  display: block;
  color: #efe8d9;
  text-decoration: none;
  margin: 0.36rem 0;
}

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  color: #cfc7b8;
  font-size: 0.9rem;
}

.compact-footer {
  padding-top: 24px;
}

.compact-footer .footer-bottom {
  margin-top: 0;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
  }

  .nav-links.is-open {
    display: flex;
  }

  .hero-grid,
  .split,
  .article-preview,
  .calculator,
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 620px) {
  .hero,
  .section {
    padding: 54px 0;
  }

  .tool-grid,
  .contact-grid,
  .calc-form,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 2.5rem;
  }
}