:root {
  color-scheme: dark;
  font-family: ui-rounded, "SF Pro Rounded", "Avenir Next", system-ui, sans-serif;
  background: #100e0b;
  color: #fff8e9;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 179, 0, .22), transparent 38rem),
    linear-gradient(155deg, #17130d, #0b0b0a 70%);
}

main {
  width: min(42rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) 0;
}

.mark {
  display: grid;
  place-items: center;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  color: #17130d;
  background: #ffb300;
  font-size: 2rem;
  font-weight: 900;
}

h1 { margin: 1.25rem 0 .5rem; font-size: clamp(2.4rem, 8vw, 4.5rem); line-height: 1; }
h2 { margin-top: 2.25rem; }
p, li { color: #ded6c5; line-height: 1.62; }
.lead { font-size: 1.2rem; max-width: 34rem; }
.card {
  margin-top: 2rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid #4a402d;
  border-radius: 1.25rem;
  background: rgba(31, 27, 20, .9);
  box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, .28);
}
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin: 1.5rem 0; }
.button {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding: .75rem 1.1rem;
  border: 1px solid #ffb300;
  border-radius: 999px;
  color: #17130d;
  background: #ffb300;
  font-weight: 800;
  text-decoration: none;
}
.button.secondary { color: #ffd56f; background: transparent; }
.quiet, footer { color: #a89f90; font-size: .9rem; }
a { color: #ffd56f; }
code { overflow-wrap: anywhere; }
footer { margin-top: 3rem; }

@media (prefers-reduced-motion: no-preference) {
  .mark { animation: pulse 2.8s ease-in-out infinite; }
  @keyframes pulse { 50% { box-shadow: 0 0 0 1rem rgba(255, 179, 0, 0); } }
}