:root {
  color-scheme: light;
  --paper: #f4f1ea;
  --ink: #171813;
  --muted: #67685f;
  --line: #cdcabf;
  --signal: #e45e32;
  --signal-dark: #b83c18;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
}

a {
  color: inherit;
}

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

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 88px;
  border-bottom: 1px solid var(--line);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  font-weight: 760;
  letter-spacing: -0.01em;
  text-decoration: none;
}

.mark {
  position: relative;
  width: 28px;
  height: 28px;
  border: 2px solid var(--ink);
  border-radius: 50%;
}

.mark::after {
  position: absolute;
  top: 11px;
  left: 5px;
  width: 25px;
  height: 2px;
  background: var(--signal);
  content: "";
  transform: rotate(-28deg);
  transform-origin: left center;
}

.header-note {
  color: var(--muted);
  font-size: 13px;
}

.hero {
  padding: clamp(88px, 13vw, 170px) 0 clamp(76px, 11vw, 140px);
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--signal-dark);
  font-size: 12px;
  font-weight: 780;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 980px;
  margin-bottom: 38px;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(58px, 10.5vw, 138px);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.86;
}

.hero-copy {
  max-width: 660px;
  margin-bottom: 38px;
  font-size: clamp(20px, 2.6vw, 31px);
  letter-spacing: -0.025em;
  line-height: 1.28;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 13px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

.button:hover {
  background: var(--signal-dark);
  transform: translateY(-2px);
}

.principles {
  display: grid;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  grid-template-columns: repeat(3, 1fr);
}

.principles article {
  min-height: 250px;
  padding: 34px 34px 34px 0;
}

.principles article + article {
  padding-left: 34px;
  border-left: 1px solid var(--line);
}

.principles span {
  color: var(--signal-dark);
  font-size: 12px;
  font-weight: 750;
}

.principles h2 {
  margin: 48px 0 14px;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.principles p {
  max-width: 290px;
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.6;
}

.tools {
  display: grid;
  gap: 64px;
  padding: clamp(76px, 10vw, 130px) 0;
  grid-template-columns: 0.8fr 1.2fr;
}

.tools h2 {
  max-width: 420px;
  margin-bottom: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.tool-card {
  display: flex;
  min-height: 310px;
  justify-content: space-between;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--ink);
  text-decoration: none;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.tool-card:hover {
  background: var(--ink);
  color: white;
  transform: translateY(-4px);
}

.status {
  display: inline-block;
  margin-bottom: 52px;
  color: var(--signal-dark);
  font-size: 11px;
  font-weight: 780;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.tool-card:hover .status {
  color: #ff8a61;
}

.tool-card h3 {
  margin-bottom: 14px;
  font-size: clamp(32px, 4vw, 50px);
  letter-spacing: -0.045em;
}

.tool-card p {
  max-width: 510px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
}

.tool-card:hover p {
  color: #d5d5ce;
}

.arrow {
  align-self: flex-start;
  font-size: 27px;
}

footer {
  display: flex;
  justify-content: space-between;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 720px) {
  .site-header,
  main,
  footer {
    width: min(100% - 32px, 1180px);
  }

  .header-note,
  .hero-actions span {
    display: none;
  }

  .hero-actions {
    align-items: flex-start;
  }

  .principles,
  .tools {
    grid-template-columns: 1fr;
  }

  .principles article {
    min-height: 210px;
    padding: 28px 0;
  }

  .principles article + article {
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .principles h2 {
    margin-top: 32px;
  }

  .tools {
    gap: 42px;
  }

  footer {
    gap: 16px;
    flex-direction: column;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}