:root {
  --ink: #101a2b;
  --paper: #e9edf2;
  --raised: #f7f9fb;
  --rule: #c6cfdb;
  --dim: #5c6b80;
  --signal: #ff5200;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.nav {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.nav__brand {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--ink);
}

.nav__brand::after {
  content: "™";
  font-size: 10px;
  vertical-align: super;
  color: var(--dim);
}

.nav a:not(.nav__brand) {
  color: var(--dim);
  text-decoration: none;
  font-size: 14px;
}

.nav a:not(.nav__brand):hover { color: var(--signal); }

.hero { padding: 64px 0 48px; }

.hero__title {
  font-size: clamp(36px, 7vw, 68px);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 16px;
}

.hero__sub {
  font-size: 19px;
  color: var(--dim);
  max-width: 46ch;
  margin: 0 0 32px;
}

.hero__img {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--raised);
  margin-bottom: 32px;
}

.cta {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.cta--run { background: var(--signal); }
.cta--hoops { background: #0b7a6b; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  padding: 40px 0 80px;
  border-top: 1px solid var(--rule);
}

.card {
  background: var(--raised);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 20px;
}

.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--dim); font-size: 14px; }

.prose { padding: 48px 0 80px; max-width: 60ch; }
.prose h1 { font-size: 40px; letter-spacing: -0.03em; margin: 0 0 20px; }
.prose p { color: var(--dim); }

.filler { padding: 60px 0; color: var(--dim); font-size: 14px; }

footer {
  border-top: 1px solid var(--rule);
  padding: 24px 0 48px;
  color: var(--dim);
  font-size: 13px;
}