@font-face {
  font-family: "Kewl Sans";
  src: local("Arial");
  font-display: swap;
}

:root {
  color-scheme: light;
  --ink: #17201d;
  --paper: #f4f0e6;
  --panel: #fffdf7;
  --rule: #c9c3b6;
  --green: #1d5648;
  --acid: #d6f05a;
  --rust: #a64328;
  font-family: "Kewl Sans", Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    linear-gradient(rgba(23, 32, 29, .035) 1px, transparent 1px),
    var(--paper);
  background-size: 100% 2rem;
}

a { color: inherit; }

.site-header,
main,
footer {
  width: min(100% - 2rem, 78rem);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 6.5rem;
  border-bottom: 1px solid var(--ink);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -.03em;
  text-decoration: none;
}

.mark {
  display: grid;
  width: 2.6rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--green);
  font-size: .75rem;
  letter-spacing: -.08em;
  transform: rotate(-8deg);
}

.status {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin: 0;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.status span {
  width: .6rem;
  height: .6rem;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 0 .25rem rgba(214, 240, 90, .28);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(18rem, .65fr);
  gap: clamp(2rem, 7vw, 7rem);
  align-items: end;
  min-height: 39rem;
  padding-block: clamp(4rem, 10vw, 8rem);
}

.eyebrow {
  margin: 0 0 1.2rem;
  color: var(--rust);
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1, h2, h3, p { text-wrap: pretty; }

h1 {
  max-width: 10ch;
  margin: 0;
  font-size: clamp(4rem, 10vw, 8.5rem);
  line-height: .82;
  letter-spacing: -.075em;
}

h1 em {
  color: var(--green);
  font-family: Georgia, serif;
  font-weight: 400;
}

.lede {
  max-width: 48rem;
  margin: 2.5rem 0 1rem;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.5;
}

.note {
  max-width: 42rem;
  margin: 0;
  color: #53605b;
  font-size: .9rem;
}

.comparison {
  position: relative;
  padding-top: 2.3rem;
}

.comparison::before {
  content: "";
  position: absolute;
  inset: 0 1.25rem auto auto;
  width: 5rem;
  height: 5rem;
  border: 1px solid var(--ink);
  border-radius: 50%;
  background: repeating-radial-gradient(circle, var(--ink) 0 1px, transparent 1px 7px);
  opacity: .35;
}

.comparison-label {
  position: relative;
  z-index: 1;
  width: fit-content;
  margin: 0 0 -.7rem 1.3rem;
  padding: .55rem .8rem;
  background: var(--acid);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  transform: rotate(-2deg);
}

.comparison article {
  position: relative;
  padding: 1.7rem;
  border: 1px solid var(--ink);
  background: var(--panel);
  box-shadow: .65rem .65rem 0 var(--green);
}

.tire-name { margin: 0; font-size: 1.2rem; font-weight: 800; }
.tire-size { margin: .25rem 0 1.5rem; color: #53605b; font-family: ui-monospace, monospace; }

dl { margin: 0; border-top: 1px solid var(--rule); }
dl div { display: grid; grid-template-columns: 5rem 1fr; gap: 1rem; padding: .7rem 0; border-bottom: 1px solid var(--rule); }
dt { color: #65706c; font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
dd { margin: 0; font-weight: 700; }
.sample { margin: 1.25rem 0 0; color: #65706c; font-size: .7rem; text-transform: uppercase; }

.principles {
  padding-block: clamp(4rem, 8vw, 7rem);
  border-block: 1px solid var(--ink);
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 2rem;
  align-items: start;
}

h2 {
  max-width: 22ch;
  margin: 0;
  font-size: clamp(2rem, 5vw, 4.5rem);
  line-height: 1;
  letter-spacing: -.055em;
}

.principles ol {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 4rem 0 0;
  padding: 0;
  border: 1px solid var(--ink);
  list-style: none;
}

.principles li { min-height: 17rem; padding: 1.5rem; background: var(--panel); }
.principles li + li { border-left: 1px solid var(--ink); }
.principles li > span { color: var(--rust); font-family: ui-monospace, monospace; font-size: .72rem; }
.principles h3 { margin: 3rem 0 .8rem; font-size: 1.3rem; }
.principles li p { margin: 0; line-height: 1.55; }

.manifesto {
  display: grid;
  grid-template-columns: .7fr 1.3fr;
  gap: 2rem;
  padding-block: clamp(5rem, 12vw, 10rem);
}

.manifesto .eyebrow { grid-row: 1 / span 2; }
.manifesto > p:last-child { max-width: 48rem; margin: 1rem 0 0; font-size: 1.15rem; line-height: 1.65; }

footer {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  padding-block: 2rem;
  border-top: 1px solid var(--ink);
  color: #53605b;
  font-size: .8rem;
}

footer p { margin: 0; }

@media (max-width: 48rem) {
  .hero, .section-heading, .manifesto { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .principles ol { grid-template-columns: 1fr; }
  .principles li { min-height: auto; }
  .principles li + li { border-left: 0; border-top: 1px solid var(--ink); }
  .principles h3 { margin-top: 1.5rem; }
  .manifesto .eyebrow { grid-row: auto; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}