:root {
  color-scheme: light;
  --ink: #17211d;
  --muted: #5d6963;
  --line: #d9e1dc;
  --bg: #f7faf8;
  --paper: #ffffff;
  --accent: #1f7a5a;
  --accent-dark: #14543e;
  --warm: #b4532a;
  --blue: #2d5f8b;
  --soft: #edf4f0;
}

* {
  box-sizing: border-box;
}

html {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
}

body {
  margin: 0;
  line-height: 1.55;
}

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

.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

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

.nav {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-weight: 800;
  font-size: 1.08rem;
  color: var(--ink);
  text-decoration: none;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

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

.hero {
  padding: 44px 0 30px;
}

.eyebrow {
  color: var(--warm);
  font-size: 0.8rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.15;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2rem, 6vw, 4.4rem);
  max-width: 920px;
  margin: 10px 0 16px;
}

h2 {
  font-size: clamp(1.45rem, 4vw, 2.3rem);
  margin: 0 0 16px;
}

h3 {
  font-size: 1.1rem;
  margin: 0 0 8px;
}

.lede {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 780px;
  margin: 0 0 22px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button,
button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 10px 14px;
  font-weight: 750;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
}

.button.secondary {
  background: transparent;
  color: var(--accent-dark);
}

.section {
  padding: 30px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  min-height: 160px;
}

.card p {
  margin: 6px 0;
  color: var(--muted);
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 10px;
  margin: 20px 0;
}

.metric {
  border-left: 4px solid var(--accent);
  background: var(--soft);
  padding: 12px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
}

.metric strong {
  display: block;
  font-size: 1rem;
}

.content {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
}

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

.fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

input {
  width: 100%;
  border: 1px solid #b9c6be;
  border-radius: 6px;
  padding: 10px 11px;
  font: inherit;
  min-height: 44px;
}

.result {
  display: grid;
  gap: 4px;
  border: 1px solid #c7d8cf;
  background: #f1f7f4;
  border-radius: 8px;
  padding: 16px;
}

.result strong {
  font-size: 1.45rem;
  color: var(--accent-dark);
}

.formula,
.note {
  color: var(--muted);
  font-size: 0.95rem;
}

.cost-list {
  display: grid;
  gap: 10px;
  padding: 0;
  list-style: none;
}

.cost-list li {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  padding: 9px 0;
}

.offer-slot {
  border: 2px dashed #becbc4;
  border-radius: 8px;
  padding: 16px;
  background: #fbfcfb;
  color: var(--muted);
}

.faq details {
  border-top: 1px solid var(--line);
  padding: 14px 0;
}

.faq summary {
  cursor: pointer;
  font-weight: 750;
}

.site-footer {
  margin-top: 44px;
  background: #17211d;
  color: #ecf3ef;
}

.footer-inner {
  padding: 26px 0;
  display: grid;
  gap: 10px;
}

.footer-inner a {
  color: #ecf3ef;
}

.stats-bars {
  display: grid;
  gap: 7px;
}

.bar-row {
  display: grid;
  grid-template-columns: 86px minmax(80px, 1fr) 42px;
  gap: 10px;
  align-items: center;
}

.bar-track {
  height: 18px;
  background: var(--soft);
  border-radius: 4px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--blue);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  text-align: left;
  border-bottom: 1px solid var(--line);
  padding: 9px;
}

@media (min-width: 840px) {
  .content.two-col {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, 0.75fr);
    align-items: start;
  }
}

@media (max-width: 620px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .hero {
    padding-top: 30px;
  }

  .card,
  .panel {
    padding: 16px;
  }

  .cost-list li {
    display: grid;
    gap: 3px;
  }
}