:root {
  --bg: #0e1116;
  --surface: #161b22;
  --line: #262d37;
  --text: #e6edf3;
  --muted: #9aa5b1;
  --accent: #3ddc84;
  --accent-ink: #06220f;
  --warn-bg: #3a2a00;
  --warn-text: #ffd166;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8f7;
    --surface: #ffffff;
    --line: #dde3e0;
    --text: #0e1116;
    --muted: #55606b;
    --accent: #12864b;
    --accent-ink: #ffffff;
    --warn-bg: #fff3cd;
    --warn-text: #6b4a00;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 var(--sans);
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
img { max-width: 100%; height: auto; display: block; }

.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 720px; }

header.site {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 18px 0; flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 650; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
nav a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav a:first-child { margin-left: 0; }
nav a:hover, nav a[aria-current="page"] { color: var(--text); }

.hero { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center; padding: 48px 0 72px; }
.hero h1 { font-size: clamp(36px, 6vw, 58px); line-height: 1.05; letter-spacing: -0.02em; margin: 14px 0 18px; text-wrap: balance; }
.hero p.lead { font-size: 19px; color: var(--muted); max-width: 34em; margin: 0 0 26px; }
.prompt { font-family: var(--mono); color: var(--accent); font-size: 15px; }
.cta {
  display: inline-block; background: var(--accent); color: var(--accent-ink);
  font-weight: 650; padding: 12px 22px; border-radius: 999px; text-decoration: none;
}
.cta.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); margin-left: 8px; }
.note { color: var(--muted); font-size: 14px; margin-top: 14px; }

.phone {
  border-radius: 34px; border: 1px solid var(--line); overflow: hidden;
  background: var(--surface); box-shadow: 0 24px 60px rgba(0, 0, 0, .35);
}
.hero .phone { max-width: 300px; margin: 0 auto; }

section { padding: 56px 0; border-top: 1px solid var(--line); }
h2 { font-size: 30px; letter-spacing: -0.01em; margin: 0 0 8px; text-wrap: balance; }
h3 { font-size: 19px; margin: 0 0 6px; }
.sub { color: var(--muted); margin: 0 0 32px; max-width: 40em; }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.card code, p code, li code { font-family: var(--mono); font-size: .9em; color: var(--accent); }

.shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.steps { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 28px 20px; list-style: none; padding: 0; margin: 0; counter-reset: step; }
.steps li { counter-increment: step; }
.steps .phone { border-radius: 24px; box-shadow: none; }
.steps p { margin: 12px 0 0; font-size: 15px; color: var(--muted); }
.steps p::before { content: counter(step) ". "; color: var(--accent); font-family: var(--mono); font-weight: 650; }
figure { margin: 0; }
figcaption { color: var(--muted); font-size: 14px; margin-top: 12px; text-align: center; }

article { padding: 24px 0 64px; }
article h1 { font-size: clamp(30px, 5vw, 42px); letter-spacing: -0.02em; line-height: 1.15; margin: 16px 0 8px; }
article h2 { font-size: 22px; margin: 40px 0 8px; }
article h3 { margin-top: 24px; }
article address { font-style: normal; }
article hr { border: 0; border-top: 1px solid var(--line); margin: 48px 0; }
.todo { background: var(--warn-bg); color: var(--warn-text); padding: 1px 6px; border-radius: 5px; font-family: var(--mono); font-size: .88em; }
dl.faq dt { font-weight: 650; margin-top: 22px; }
dl.faq dd { margin: 4px 0 0; color: var(--muted); }

footer.site { border-top: 1px solid var(--line); padding: 28px 0 44px; color: var(--muted); font-size: 14px; }
footer.site .wrap { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
footer.site a { color: var(--muted); margin-right: 16px; }

@media (max-width: 780px) {
  .hero { grid-template-columns: 1fr; padding-top: 24px; gap: 36px; }
  .features { grid-template-columns: 1fr; }
  .shots { grid-template-columns: 1fr; max-width: 300px; margin: 0 auto; }
  .cta.ghost { margin: 10px 0 0; }
}