:root {
  --bg: #ffffff; --fg: #1a2330; --muted: #5b6675; --accent: #0f5f9e;
  --accent-fg: #ffffff; --rule: #dde3ea; --card: #f6f8fa; --quote-bg: #f2f6fa;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14181e; --fg: #dde4ec; --muted: #97a3b2; --accent: #62aee0;
    --accent-fg: #0d1319; --rule: #2b333d; --card: #1b2129; --quote-bg: #1b2129;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 17px/1.65 Georgia, 'Times New Roman', serif;
}
h1, h2, h3, nav, .btn, .card h3, .tagline, footer { font-family: system-ui, -apple-system, 'Segoe UI', sans-serif; }
a { color: var(--accent); }

header.site {
  border-bottom: 1px solid var(--rule);
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.5rem;
  padding: 1rem 1.5rem;
}
header.site .brand {
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-weight: 700; font-size: 1.1rem; letter-spacing: .02em;
  color: var(--fg); text-decoration: none; margin-right: auto;
}
header.site nav { display: flex; flex-wrap: wrap; gap: 1.1rem; }
header.site nav a {
  color: var(--muted); text-decoration: none; font-size: .95rem;
}
header.site nav a:hover, header.site nav a.active { color: var(--accent); }

.hero { max-width: 900px; margin: 0 auto; padding: 4rem 1.5rem 3rem; }
.hero h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.8rem); line-height: 1.15;
  letter-spacing: -.02em; margin: 0 0 1rem;
}
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 640px; margin: 0 0 1.75rem; }
.btn {
  display: inline-block; background: var(--accent); color: var(--accent-fg);
  text-decoration: none; font-weight: 600; font-size: .95rem;
  padding: .7rem 1.3rem; border-radius: 8px; margin-right: .75rem;
}
.btn.ghost { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); }

section.band { max-width: 900px; margin: 0 auto; padding: 2.5rem 1.5rem; }
section.band.alt { max-width: none; background: var(--card); }
section.band.alt > div { max-width: 900px; margin: 0 auto; padding: 0 1.5rem; }
section h2 { font-size: 1.6rem; letter-spacing: -.01em; margin: 0 0 1rem; }
.kicker {
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  text-transform: uppercase; letter-spacing: .1em; font-size: .8rem;
  color: var(--accent); font-weight: 700; margin-bottom: .4rem;
}

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.card {
  background: var(--card); border: 1px solid var(--rule); border-radius: 10px;
  padding: 1.25rem 1.4rem;
}
section.band.alt .card { background: var(--bg); }
.card h3 { margin: 0 0 .5rem; font-size: 1.05rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }

blockquote.pull {
  margin: 2rem 0; padding: 1rem 1.4rem; background: var(--quote-bg);
  border-left: 4px solid var(--accent); border-radius: 0 8px 8px 0;
  font-size: 1.1rem;
}
blockquote.pull p { margin: 0; }

ul.checks { padding-left: 0; list-style: none; }
ul.checks li { padding-left: 1.6rem; position: relative; margin: .5rem 0; }
ul.checks li::before { content: "✓"; color: var(--accent); font-weight: 700; position: absolute; left: 0; }

footer {
  border-top: 1px solid var(--rule); color: var(--muted);
  padding: 2rem 1.5rem; text-align: center; font-size: .85rem;
}
footer a { color: var(--muted); }

.card ul { margin: .5rem 0 0; padding-left: 1.2rem; color: var(--muted); font-size: .95rem; }
.card ul li { margin: .35rem 0; }
ol.steps { counter-reset: step; list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; }
ol.steps li { counter-increment: step; background: var(--card); border: 1px solid var(--rule); border-radius: 10px; padding: 1.1rem 1.3rem; }
ol.steps li::before { content: counter(step); display: inline-block; background: var(--accent); color: var(--accent-fg); font-family: system-ui, -apple-system, 'Segoe UI', sans-serif; font-weight: 700; width: 1.7rem; height: 1.7rem; line-height: 1.7rem; text-align: center; border-radius: 50%; margin-bottom: .5rem; }
ol.steps b { font-family: system-ui, -apple-system, 'Segoe UI', sans-serif; display: block; margin-bottom: .2rem; }
ol.steps p { margin: 0; color: var(--muted); font-size: .95rem; }