:root {
  --bg-top: #0c1218;
  --bg-bottom: #152028;
  --ink: #e8eef3;
  --muted: #9aadb8;
  --accent: #3d9a8b;
  --line: rgba(232, 238, 243, 0.12);
  --font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia,
    serif;
  --font-body: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

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

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(61, 154, 139, 0.22), transparent),
    linear-gradient(165deg, var(--bg-top), var(--bg-bottom));
  background-attachment: fixed;
}

.page {
  max-width: 42rem;
  margin: 0 auto;
  padding: 4.5rem 1.5rem 6rem;
}

.hero {
  margin-bottom: 3rem;
}

.brand {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  letter-spacing: 0.02em;
  line-height: 1.1;
}

h1 {
  margin: 0 0 0.85rem;
  font-family: var(--font-body);
  font-size: clamp(1.15rem, 2.5vw, 1.35rem);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
}

.lede {
  margin: 0;
  max-width: 34rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: var(--muted);
}

.guide {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(12, 18, 24, 0.45);
  backdrop-filter: blur(8px);
  padding: 1.75rem 1.75rem 1.5rem;
}

.guide-title {
  margin: 0 0 1.1rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 1rem;
}

.steps li {
  position: relative;
  counter-increment: step;
  padding-left: 2.5rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  border: 1px solid rgba(61, 154, 139, 0.45);
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
}

.steps strong {
  color: var(--accent);
  font-weight: 600;
}

.guide-note {
  margin: 1.5rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--muted);
}

@media (prefers-reduced-motion: no-preference) {
  .hero {
    animation: rise 0.7s ease-out both;
  }

  .guide {
    animation: rise 0.7s ease-out 0.15s both;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}