:root {
  --ink: #1b2430;
  --ink-soft: #3a4553;
  --accent: #1b7f6a;
  --accent-dark: #146253;
  --paper: #ffffff;
  --band: #f4f6f8;
  --line: #dfe3e8;
  --max: 1040px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); line-height: 1.55; font-size: 17px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }
a { color: var(--accent-dark); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: clamp(30px, 4.5vw, 44px); }
h2 { font-size: clamp(24px, 3vw, 30px); }
h3 { font-size: 18px; }
p { margin: 0 0 12px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.92em; background: var(--band); padding: 1px 5px; border-radius: 4px; }

.masthead { background: var(--ink); color: #fff; border-bottom: 4px solid var(--accent); }
.masthead .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; flex-wrap: wrap; }
.brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 20px; letter-spacing: 0.2px; }
.brand span { font-weight: 400; opacity: 0.85; }
nav { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
nav a { color: #d9e1ea; text-decoration: none; font-size: 15px; }
nav a:hover { color: #fff; }
nav a.cta { background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 6px; }

.hero { padding: 72px 0 56px; }
.eyebrow { color: var(--accent-dark); font-weight: 600; letter-spacing: 0.3px; margin-bottom: 14px; }
.lede { font-size: 19px; color: var(--ink-soft); max-width: 760px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 12px; }
.button { display: inline-block; padding: 12px 18px; border-radius: 6px; border: 1px solid var(--line); text-decoration: none; color: var(--ink); font-weight: 600; }
.button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.button.primary:hover { background: var(--accent-dark); }
.note { color: var(--ink-soft); font-size: 15px; }

section { padding: 56px 0; }
.band { background: var(--band); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.intro { color: var(--ink-soft); max-width: 760px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; margin-top: 24px; }
.grid article { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 20px; }
.grid article.muted { background: transparent; border-style: dashed; }
.grid.three article { background: var(--band); }

.steps { list-style: none; padding: 0; margin: 24px 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; counter-reset: step; }
.steps li { border-left: 4px solid var(--accent); padding: 4px 0 4px 18px; counter-increment: step; }
.steps h3::before { content: counter(step) ". "; color: var(--accent-dark); }

.samples { list-style: none; padding: 0; margin: 20px 0 0; }
.samples li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.samples a { font-weight: 600; }

.contact { text-align: center; }
.contact .intro { margin: 0 auto 16px; }
.email a { font-size: clamp(20px, 3vw, 26px); font-weight: 700; text-decoration: none; }

footer { padding: 28px 0 40px; color: var(--ink-soft); font-size: 14px; }
@media (max-width: 640px) { .masthead .wrap { height: auto; padding: 12px 24px; } .hero { padding: 48px 0 40px; } }