:root {
  --ink: #111214;
  --ink-2: #4a4d55;
  --ink-3: #7b7f89;
  --paper: #f7f6f2;
  --card: #ffffff;
  --rule: #e2e0d8;
  --accent: #1f6f4a;
  --accent-ink: #ffffff;
  --radius: 14px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eeeee9;
    --ink-2: #b4b6bc;
    --ink-3: #868a93;
    --paper: #121315;
    --card: #1b1c1f;
    --rule: #2c2e33;
    --accent: #4cc38a;
    --accent-ink: #0c1a13;
    color-scheme: dark;
  }
  .brand img, .hero-icon { filter: invert(1); mix-blend-mode: screen; }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}
a { color: inherit; }
.wrap { max-width: 980px; margin: 0 auto; padding-inline: 20px; }

header.site {
  display: flex; align-items: center; justify-content: space-between;
  padding-block: 18px; border-bottom: 1px solid var(--rule);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 650; letter-spacing: -0.01em; }
.brand img { width: 28px; height: 28px; }
nav a { text-decoration: none; color: var(--ink-2); margin-left: 20px; font-size: 15px; }
nav a:hover { color: var(--ink); }

.hero { padding-block: 72px 40px; display: grid; gap: 28px; }
.hero-icon { width: 88px; height: 88px; }
.brand img, .hero-icon { mix-blend-mode: multiply; }
h1 {
  font: 700 clamp(36px, 6vw, 60px)/1.04 -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  letter-spacing: -0.035em; margin: 0; max-width: 16ch;
}
.lede { font-size: 20px; color: var(--ink-2); max-width: 58ch; margin: 0; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 12px 20px; border-radius: 999px;
  font-weight: 600; font-size: 16px; text-decoration: none; border: 1px solid var(--ink); cursor: pointer;
  background: transparent; color: var(--ink);
}
.btn.primary { background: var(--ink); color: var(--paper); }
.btn.accent { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn[aria-disabled="true"] { opacity: .45; pointer-events: none; }
.fine { color: var(--ink-3); font-size: 14px; }

/* the split-lane rule: one road, two lanes */
.lanes { height: 10px; margin-block: 48px; position: relative; }
.lanes::before, .lanes::after { content: ""; position: absolute; left: 0; right: 0; height: 2px; background: var(--rule); }
.lanes::before { top: 0; }
.lanes::after { bottom: 0; background: linear-gradient(90deg, var(--rule) 55%, var(--accent) 55%); }

h2 { font-size: 28px; letter-spacing: -0.02em; margin: 0 0 18px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); padding: 20px; }
.card h3 { margin: 0 0 6px; font-size: 17px; }
.card p { margin: 0; color: var(--ink-2); font-size: 15px; }

.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.plan { background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius); padding: 24px; display: grid; gap: 14px; align-content: start; }
.plan.pro { border-color: var(--ink); }
.plan .price { font-size: 40px; font-weight: 700; letter-spacing: -0.03em; }
.plan .price small { font-size: 15px; font-weight: 500; color: var(--ink-3); letter-spacing: 0; }
.plan ul { margin: 0; padding-left: 20px; color: var(--ink-2); }
.plan li { margin-block: 4px; }

.prose { max-width: 68ch; padding-block: 48px; }
.prose h1 { font-size: 40px; max-width: none; margin-bottom: 8px; }
.prose h2 { font-size: 21px; margin: 32px 0 8px; }
.prose p, .prose li { color: var(--ink-2); }

footer.site { border-top: 1px solid var(--rule); margin-top: 72px; padding-block: 28px 40px; color: var(--ink-3); font-size: 14px; }
footer.site .links a { margin-right: 18px; text-decoration: none; }
footer.site .links a:hover { color: var(--ink); }

@media (max-width: 560px) {
  nav a { margin-left: 12px; }
  .hero { padding-block: 48px 24px; }
}