*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #000;
  color: #fff;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, "Courier New", monospace;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

::selection { background: #fff; color: #000; }

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3, p, ol, blockquote {
  margin: 0 0 18px 0;
}

h1 { font-size: 2rem; font-weight: 500; letter-spacing: -0.01em; }
h2 { font-size: 1.5rem; font-weight: 500; letter-spacing: -0.01em; }
h3 { font-size: 0.85rem; font-weight: 500; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.5); }

p { color: rgba(255,255,255,0.75); }

ol { padding-left: 20px; color: rgba(255,255,255,0.75); }
ol li { margin-bottom: 8px; }

blockquote {
  border-left: 1px solid #fff;
  padding: 2px 0 2px 16px;
  margin: 24px 0;
  font-style: italic;
  color: #fff;
}
blockquote .attr {
  display: block;
  margin-top: 4px;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  font-style: normal;
}

.hero {
  padding: 80px 0 60px 0;
  text-align: center;
}

.hero .tag {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.5);
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 600;
  margin-bottom: 28px;
}

.hero .subtitle {
  max-width: 38ch;
  margin: 0 auto 32px auto;
  color: rgba(255,255,255,0.6);
}

.hero .scroll {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin: 0;
}

.claim {
  padding: 80px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.claim .num {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 12px;
}

.claim h2 {
  max-width: 22ch;
  margin-bottom: 32px;
}

.conclusion {
  padding: 80px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.conclusion .num {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin-bottom: 12px;
}

.conclusion h2 {
  max-width: 24ch;
  margin-bottom: 32px;
}

.about {
  padding: 60px 0 40px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.about h3 {
  margin-bottom: 24px;
}

.closer {
  padding: 40px 0 60px 0;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  text-align: center;
}

.closer .sep {
  display: inline-block;
  margin: 0 8px;
  opacity: 0.5;
}

@media (max-width: 720px) {
  main { padding: 0 20px; }
}