:root {
  color-scheme: light;
  --paper: #f2f2f7;
  --card: #ffffff;
  --ink: #171717;
  --muted: #727272;
  --line: rgba(0, 0, 0, 0.09);
  --blue: #0878f9;
  --peach: #ffdfc8;
  --radius: 28px;
}
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(255, 223, 200, 0.8), transparent 32rem),
    var(--paper);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC",
    "Helvetica Neue", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.shell {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 72px;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  margin-bottom: 36px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 11px;
  background: #111;
  color: white;
  font-size: 16px;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.nav-links a[aria-current="page"],
.nav-links a:hover {
  background: var(--card);
  color: var(--ink);
}

.hero {
  padding: 44px;
  overflow: hidden;
  border-radius: 36px;
  background: #111;
  color: white;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.12);
}

.eyebrow {
  margin: 0 0 12px;
  color: #ffd9bc;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 690px;
  margin-bottom: 16px;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.055em;
}

.hero-copy {
  max-width: 620px;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 17px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.54);
  font-size: 13px;
}

.site-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.content {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

.card {
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 10px 32px rgba(24, 24, 27, 0.04);
  backdrop-filter: blur(16px);
}

.card h2 {
  margin-bottom: 12px;
  font-size: 23px;
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.card h3 {
  margin: 24px 0 8px;
  font-size: 16px;
}

.card p:last-child,
.card ul:last-child,
.card ol:last-child {
  margin-bottom: 0;
}

.card p,
.card li {
  color: #444;
}

.card ul,
.card ol {
  margin: 10px 0 0;
  padding-left: 1.25em;
}

.card li + li {
  margin-top: 7px;
}

.callout {
  border-color: transparent;
  background: var(--peach);
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  margin-top: 10px;
  padding: 0 20px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  text-decoration: none;
  font-weight: 650;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 30px 8px 0;
  color: var(--muted);
  font-size: 13px;
}

.footer a {
  text-underline-offset: 3px;
}

.footer .icp {
  width: 100%;
  margin-top: 6px;
  color: var(--muted);
}

@media (max-width: 640px) {
  .shell {
    width: min(100% - 24px, 860px);
    padding-top: 12px;
  }

  .nav {
    align-items: flex-start;
    margin-bottom: 20px;
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-end;
  }

  .nav-links a {
    padding: 4px 8px;
  }

  .hero {
    padding: 32px 24px;
    border-radius: 30px;
  }

  .card {
    padding: 24px;
    border-radius: 24px;
  }

  .footer {
    flex-direction: column;
  }
}
