:root {
  --bone: #f2efe7;
  --paper: #faf8f2;
  --ink: #14171a;
  --line: #c9c4b8;
  --blue: #245dff;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bone);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}
a {
  color: inherit;
}
header {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 3vw;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 2;
}
.brand {
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.signal-marker {
  width: 20px;
  height: 20px;
  object-fit: cover;
  border-radius: 50%;
  vertical-align: middle;
  flex: 0 0 20px;
}
nav {
  display: flex;
  gap: 28px;
}
nav a {
  text-decoration: none;
  font-size: 13px;
}
.top-cta,
.button {
  background: var(--blue);
  color: white;
  text-decoration: none;
  padding: 15px 20px;
  font-weight: 700;
  display: inline-block;
}
.hero {
  min-height: 760px;
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  padding: 54px 3vw 40px;
  gap: 3vw;
}
.hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}
.eyebrow,
.section-head > p,
.calc-intro > p,
.test > p:first-child,
.modules article > span,
.extras article > span {
  font-family: monospace;
  font-size: 12px;
  letter-spacing: 0.12em;
}
.hero h1 {
  font-size: clamp(46px, 5.5vw, 84px);
  line-height: 0.93;
  letter-spacing: -0.055em;
  margin: 22px 0 26px;
  max-width: 800px;
}
.lead {
  font-size: 20px;
  line-height: 1.45;
  max-width: 640px;
  margin: 0 0 34px;
}
.hero-image {
  margin: 0;
  background: #d8d1c5;
  min-width: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 0;
}
.hero-image figcaption {
  display: flex;
  justify-content: space-between;
  padding: 12px;
  font: 11px monospace;
}
.effect {
  background: var(--ink);
  color: white;
  padding: 90px 3vw;
}
.effect > p {
  font: 12px monospace;
  letter-spacing: 0.12em;
}
.effect h2 {
  font-size: clamp(38px, 5vw, 74px);
  line-height: 1;
  letter-spacing: -0.045em;
  max-width: 1200px;
}
.proof {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid #41464b;
  margin-top: 60px;
}
.proof article {
  padding: 30px 30px 0 0;
}
.proof b {
  font-size: 46px;
  color: #6f94ff;
  display: block;
}
.proof span {
  display: block;
  max-width: 270px;
  line-height: 1.45;
}
.services,
.integration {
  padding: 110px 3vw;
}
.section-head {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 30px;
}
.section-head h2 {
  font-size: clamp(32px, 4vw, 58px);
  line-height: 1.03;
  margin: 0;
  letter-spacing: -0.04em;
}
.modules {
  margin-top: 70px;
  border-top: 1px solid var(--ink);
}
.modules article {
  display: grid;
  grid-template-columns: 0.45fr 1fr 1.2fr;
  gap: 30px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}
.modules h3 {
  font-size: 25px;
  margin: 0;
}
.modules p {
  margin: 0;
  line-height: 1.55;
}
.modules small {
  grid-column: 3;
}
.mechanism {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  background: var(--paper);
  padding: 3vw;
  gap: 3vw;
}
.mechanism img {
  width: 100%;
  height: 620px;
  object-fit: cover;
}
.mechanism ol {
  padding: 0;
  list-style: none;
  margin-top: 50px;
}
.mechanism li {
  padding: 18px 0;
  border-top: 1px solid var(--line);
  font-size: 19px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.crm {
  padding: 90px 3vw;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8vw;
}
.crm h2 {
  font-size: 48px;
}
.record {
  border: 1px solid var(--ink);
  background: var(--paper);
  padding: 18px;
}
.record span {
  display: block;
  padding: 22px;
  border-bottom: 1px solid var(--line);
  font-family: monospace;
}
.record span:last-child {
  border: 0;
}
.calculator {
  background: #0d1115;
  color: #fff;
  padding: 100px 3vw;
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 24px 6vw;
}
.calc-intro h2 {
  font-size: 50px;
  margin: 12px 0;
}
.calc-intro p:last-child {
  line-height: 1.5;
  color: #aeb5bd;
}
form {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
label {
  font-size: 13px;
  color: #aeb5bd;
}
label small {
  display: block;
  color: #7899ff;
}
input {
  width: 100%;
  margin-top: 8px;
  padding: 14px;
  background: #1b2026;
  border: 1px solid #414a55;
  color: white;
  font: 18px monospace;
}
.results {
  grid-column: 2;
}
.result-head,
.results > div:not(.result-head) {
  display: grid;
  grid-template-columns: 1.6fr 0.7fr 0.7fr;
  padding: 17px 0;
  border-bottom: 1px solid #343b44;
}
.results strong {
  color: #78a0ff;
}
.caveat {
  grid-column: 2;
  color: #9ca4ad;
  font-size: 12px;
  line-height: 1.5;
}
.zones {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 70px;
}
.zones span {
  padding: 30px 18px;
  border: 1px solid var(--line);
  margin: -1px 0 0 -1px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.integration-copy {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 50px;
  line-height: 1.55;
}
.extras {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.extras article {
  padding: 70px 3vw;
  border: 1px solid var(--line);
}
.extras h2 {
  font-size: 44px;
}
.extras p {
  line-height: 1.6;
}
.test {
  background: var(--blue);
  color: white;
  padding: 110px 10vw;
  text-align: center;
}
.test h2 {
  font-size: clamp(48px, 7vw, 100px);
  line-height: 0.93;
  letter-spacing: -0.05em;
  margin: 30px 0;
}
.test > p {
  font-size: 20px;
  line-height: 1.5;
}
.test-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  text-align: left;
  gap: 40px;
  margin: 50px 0;
}
.test-grid p {
  line-height: 1.55;
}
.test h3 {
  font-size: 30px;
}
.button.light {
  background: white;
  color: var(--ink);
}
footer {
  padding: 36px 3vw;
  display: flex;
  justify-content: space-between;
  font-weight: 700;
}
@media (max-width: 800px) {
  nav {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .hero-copy {
    padding: 40px 0;
  }
  .hero h1 {
    font-size: 50px;
  }
  .hero-image {
    height: 440px;
  }
  .section-head,
  .crm,
  .calculator,
  .mechanism {
    grid-template-columns: 1fr;
  }
  .modules article {
    grid-template-columns: 1fr;
  }
  .modules small {
    grid-column: auto;
  }
  .results,
  .caveat {
    grid-column: 1;
  }
  .zones {
    grid-template-columns: repeat(2, 1fr);
  }
  .mechanism img {
    height: 430px;
  }
  .extras {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 480px) {
  header {
    height: 60px;
  }
  .hero {
    padding: 24px 18px 32px;
  }
  .hero h1 {
    font-size: 42px;
  }
  .lead {
    font-size: 17px;
  }
  .hero-image {
    height: 340px;
  }
  .effect,
  .services,
  .integration,
  .crm,
  .calculator {
    padding: 70px 18px;
  }
  .effect h2 {
    font-size: 39px;
  }
  .proof {
    grid-template-columns: 1fr;
  }
  .section-head h2 {
    font-size: 34px;
  }
  .modules h3 {
    font-size: 23px;
  }
  .mechanism {
    padding: 18px;
  }
  .mechanism img {
    height: 300px;
  }
  .crm h2,
  .calc-intro h2 {
    font-size: 36px;
  }
  form {
    grid-template-columns: 1fr;
  }
  .result-head,
  .results > div:not(.result-head) {
    grid-template-columns: 1.25fr 0.7fr 0.8fr;
    font-size: 12px;
  }
  .zones {
    grid-template-columns: 1fr 1fr;
  }
  .zones span {
    padding: 18px 10px;
    font-size: 12px;
  }
  .integration-copy,
  .extras,
  .test-grid {
    grid-template-columns: 1fr;
  }
  .extras h2 {
    font-size: 34px;
  }
  .test {
    padding: 75px 18px;
  }
  .test h2 {
    font-size: 50px;
  }
  .button {
    font-size: 13px;
    padding: 14px;
  }
  .top-cta {
    padding: 11px 14px;
  }
}