:root {
  --green: #1a7f5f;
  --dark: #123f33;
  --cream: #f8f5ed;
  --gold: #f2c14e;
  --ink: #17342b;
  --muted: #5e7069;
  --line: #d9e2dd;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--ink);
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.55;
}
a {
  color: inherit;
}
.site-header {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  align-items: center;
  gap: 32px;
  justify-content: space-between;
  padding: 14px max(24px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(18, 63, 51, 0.12);
  background: rgba(248, 245, 237, 0.92);
  backdrop-filter: blur(14px);
}
.brand {
  display: flex;
  gap: 9px;
  align-items: center;
  text-decoration: none;
  font-size: 22px;
  font-weight: 800;
}
.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}
.site-header nav {
  display: flex;
  gap: 28px;
  margin-left: auto;
}
.site-header nav a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 650;
}
.button {
  display: inline-flex;
  justify-content: center;
  padding: 13px 20px;
  border: 0;
  border-radius: 9px;
  background: var(--green);
  color: white;
  text-decoration: none;
  font-weight: 800;
  box-shadow: 0 7px 18px rgba(26, 127, 95, 0.18);
}
.button-small {
  padding: 9px 14px;
  font-size: 14px;
}
.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 70px;
  align-items: center;
  min-height: 680px;
  max-width: 1180px;
  margin: auto;
  padding: 80px 24px;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(52px, 6vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}
.lede {
  max-width: 630px;
  margin: 26px 0;
  color: var(--muted);
  font-size: 20px;
}
.hero-actions {
  display: flex;
  gap: 22px;
  align-items: center;
}
.text-link {
  font-weight: 750;
}
.trust {
  margin-top: 18px;
  color: #718078;
  font-size: 13px;
}
.hero-visual {
  position: relative;
  display: grid;
  min-height: 470px;
  place-items: center;
}
.hero-visual:before {
  position: absolute;
  width: 410px;
  height: 410px;
  border-radius: 50%;
  background: #dcece5;
  content: "";
}
.invoice-card {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 17px 42px;
  width: min(390px, 90%);
  padding: 34px;
  border: 1px solid rgba(18, 63, 51, 0.12);
  border-radius: 18px;
  background: white;
  box-shadow: 0 25px 70px rgba(18, 63, 51, 0.16);
  transform: rotate(-2deg);
}
.invoice-card span {
  color: var(--muted);
}
.invoice-card strong {
  text-align: right;
}
.invoice-total {
  display: contents;
}
.invoice-total:before {
  grid-column: 1/-1;
  height: 1px;
  background: var(--line);
  content: "";
}
.invoice-total span,
.invoice-total strong {
  color: var(--dark);
  font-size: 24px;
  font-weight: 850;
}
.lens-orbit {
  position: absolute;
  z-index: 3;
  right: 4%;
  bottom: 6%;
  display: grid;
  width: 95px;
  height: 95px;
  border: 11px solid var(--dark);
  border-radius: 50%;
  background: var(--cream);
  color: var(--green);
  font-size: 55px;
  font-weight: 800;
  line-height: 1;
  place-items: center;
}
.lens-orbit:after {
  position: absolute;
  right: -32px;
  bottom: -25px;
  width: 48px;
  height: 12px;
  border-radius: 8px;
  background: var(--dark);
  content: "";
  transform: rotate(46deg);
}
.calculator-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 90px;
  padding: 100px max(24px, calc((100vw - 1060px) / 2));
  background: var(--dark);
  color: white;
}
.section-intro h2 {
  margin: 0;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.07;
  letter-spacing: -0.035em;
}
.section-intro > p:last-child {
  color: #aebdb7;
}
.calculator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 28px;
  border-radius: 16px;
  background: white;
  color: var(--ink);
}
.calculator label {
  display: grid;
  gap: 7px;
  font-size: 13px;
  font-weight: 750;
}
.calculator input,
.calculator select {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  color: var(--ink);
  font: inherit;
}
.calculator .check {
  display: flex;
  grid-column: 1/-1;
  align-items: center;
}
.calculator .check input {
  width: 18px;
}
.result {
  display: grid;
  grid-column: 1/-1;
  padding: 20px;
  border-radius: 10px;
  background: #edf6f1;
}
.result output {
  color: var(--green);
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -0.04em;
}
.result small {
  color: var(--muted);
}
.calculator > .button {
  grid-column: 1/-1;
}
.features,
.faq {
  max-width: 1180px;
  margin: auto;
  padding: 110px 24px;
}
.features .section-intro {
  max-width: 650px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 52px;
}
.feature-grid article {
  display: flex;
  flex-direction: column;
  min-height: 340px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: white;
}
.number {
  color: var(--green);
  font-size: 13px;
  font-weight: 850;
}
.feature-grid h3 {
  margin: 45px 0 8px;
  font-size: 26px;
}
.feature-grid p {
  margin: 0;
  color: var(--muted);
}
.mini-ui {
  display: flex;
  gap: 10px;
  justify-content: space-between;
  margin-top: auto;
  padding: 13px;
  border-radius: 8px;
  background: #edf6f1;
  font-size: 12px;
}
.faq {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 80px;
  border-top: 1px solid var(--line);
}
.faq .section-intro {
  grid-row: 1/5;
}
.faq details {
  padding: 0 0 20px;
  border-bottom: 1px solid var(--line);
}
.faq summary {
  cursor: pointer;
  font-size: 20px;
  font-weight: 800;
}
.faq details p {
  color: var(--muted);
}
.final-cta {
  padding: 90px 24px;
  background: var(--green);
  color: white;
  text-align: center;
}
.final-cta .eyebrow {
  color: #d9f0e7;
}
.final-cta h2 {
  max-width: 760px;
  margin: 0 auto 30px;
  font-size: clamp(38px, 5vw, 64px);
  line-height: 1;
}
.button-light {
  background: var(--cream);
  color: var(--dark);
}
footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 40px;
  align-items: center;
  max-width: 1180px;
  margin: auto;
  padding: 45px 24px;
  color: var(--muted);
  font-size: 13px;
}
footer p {
  text-align: center;
}
footer > div {
  display: flex;
  gap: 18px;
}
@media (max-width: 800px) {
  .site-header nav {
    display: none;
  }
  .hero,
  .calculator-section,
  .faq {
    grid-template-columns: 1fr;
  }
  .hero {
    padding-top: 55px;
  }
  .hero h1 {
    font-size: 52px;
  }
  .hero-visual {
    min-height: 400px;
  }
  .calculator-section,
  .faq {
    gap: 45px;
  }
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .faq .section-intro {
    grid-row: auto;
  }
  .calculator {
    grid-template-columns: 1fr;
  }
  .calculator label {
    grid-column: 1/-1;
  }
  footer {
    grid-template-columns: 1fr;
    text-align: center;
  }
  footer .brand,
  footer > div {
    justify-content: center;
  }
  footer p {
    text-align: center;
  }
}
@media (max-width: 480px) {
  .site-header {
    padding: 12px 16px;
  }
  .site-header > .button {
    display: none;
  }
  .hero {
    padding-inline: 18px;
  }
  .hero h1 {
    font-size: 44px;
  }
  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }
  .invoice-card {
    padding: 24px;
    gap: 14px 22px;
  }
  .calculator-section,
  .features,
  .faq {
    padding-inline: 18px;
  }
}