:root {
  color-scheme: light;
  --paper: #f7f8f4;
  --ink: #17221c;
  --muted: #5f6b64;
  --line: #cbd3cd;
  --signal: #c7f06f;
  --signal-dark: #273914;
  --soft: #e8eee9;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, sans-serif;
  font-size: 18px;
  line-height: 1.6;
}

a {
  color: inherit;
}

header,
main,
footer {
  width: min(100% - 48px, 1180px);
  margin-inline: auto;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 84px;
  border-bottom: 1px solid var(--line);
}

header p {
  margin: 0;
}

.wordmark {
  font-family: Georgia, "Times New Roman", serif;
  font-size: 25px;
  font-weight: 700;
}

.status {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
}

.status span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--signal) 28%, transparent);
}

section {
  padding-block: 96px;
  border-bottom: 1px solid var(--line);
}

.hero {
  display: flex;
  min-height: calc(78vh - 84px);
  flex-direction: column;
  justify-content: center;
  padding-block: 72px 88px;
}

.eyebrow,
.section-label {
  margin: 0 0 32px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.3;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1,
h2 {
  margin-top: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
  line-height: 1.04;
}

h1 {
  max-width: 940px;
  margin-bottom: 38px;
  font-size: 76px;
}

h2 {
  max-width: 780px;
  margin-bottom: 36px;
  font-size: 46px;
}

h3 {
  margin: 0 0 12px;
  font-size: 18px;
  line-height: 1.3;
}

p {
  margin-block: 0 22px;
}

.hero-intro {
  max-width: 740px;
  color: var(--muted);
  font-size: 24px;
  line-height: 1.5;
}

.action {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  margin-top: 14px;
  padding: 13px 18px;
  background: var(--signal);
  color: var(--signal-dark);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.action:hover {
  background: var(--ink);
  color: var(--paper);
}

.action:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 4px;
}

.problem,
.principles,
.audience {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(0, 3fr);
  gap: 48px;
}

.section-content {
  max-width: 780px;
}

.section-content > p {
  max-width: 680px;
}

.process > h2 {
  margin-bottom: 60px;
}

.process ol {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ink);
  list-style: none;
  counter-reset: steps;
}

.process li {
  min-height: 280px;
  padding: 28px 24px 20px 0;
  border-right: 1px solid var(--line);
  counter-increment: steps;
}

.process li + li {
  padding-left: 24px;
}

.process li:last-child {
  border-right: 0;
}

.process li::before {
  display: block;
  margin-bottom: 58px;
  color: var(--muted);
  content: "0" counter(steps);
  font-size: 13px;
  font-weight: 700;
}

.process li p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.55;
}

.principles ul {
  margin: 40px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.principles li {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.principles li::before {
  margin-right: 14px;
  color: var(--signal-dark);
  content: "+";
  font-weight: 700;
}

#interest {
  margin-block: 96px;
  padding: 72px;
  border: 0;
  background: var(--soft);
}

#interest h2,
#interest > p:not(.section-label) {
  max-width: 740px;
}

footer {
  padding-block: 30px 50px;
  color: var(--muted);
  font-size: 13px;
}

footer p {
  margin: 0;
}

@media (max-width: 820px) {
  header,
  main,
  footer {
    width: min(100% - 32px, 720px);
  }

  section {
    padding-block: 72px;
  }

  .hero {
    min-height: 660px;
  }

  h1 {
    font-size: 52px;
  }

  h2 {
    font-size: 38px;
  }

  .hero-intro {
    font-size: 21px;
  }

  .problem,
  .principles,
  .audience {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .process ol {
    grid-template-columns: repeat(2, 1fr);
  }

  .process li:nth-child(2) {
    border-right: 0;
  }

  .process li:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  #interest {
    margin-block: 64px;
    padding: 48px;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 17px;
  }

  header {
    min-height: 70px;
  }

  .hero {
    min-height: 620px;
    padding-block: 56px 72px;
  }

  h1 {
    font-size: 43px;
  }

  h2 {
    font-size: 34px;
  }

  .hero-intro {
    font-size: 19px;
  }

  .process ol {
    grid-template-columns: 1fr;
  }

  .process li,
  .process li + li {
    min-height: 0;
    padding: 28px 0;
    border-top: 1px solid var(--line);
    border-right: 0;
  }

  .process li::before {
    margin-bottom: 24px;
  }

  #interest {
    margin-inline: -16px;
    padding: 40px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}