:root {
  --bg: #ffffff;
  --bg-alt: #f3f6f9;
  --fg: #0b1f33;
  --muted: #4a5d70;
  --line: #dde4eb;
  --accent: #0a7c5a;
  --accent-fg: #ffffff;
  --radius: 14px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b141d;
    --bg-alt: #111d29;
    --fg: #e8eef4;
    --muted: #a3b3c2;
    --line: #22313f;
    --accent: #3ecf9b;
    --accent-fg: #062118;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.2; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin: 0.3em 0 0.4em; max-width: 18ch; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); margin: 0 0 0.4em; }
h3 { font-size: 1.15rem; margin: 0 0 0.4em; }

.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.narrow > * { max-width: 760px; }
section { padding: 72px 0; }
.band { background: var(--bg-alt); }

.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; z-index: 10; background: var(--bg); padding: 8px 12px; }

.top {
  position: sticky; top: 0; z-index: 5;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.top-in { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--fg); text-decoration: none; white-space: nowrap; }
.brand svg { color: var(--accent); }
nav { display: flex; align-items: center; gap: 22px; }
nav a { color: var(--fg); text-decoration: none; font-size: 0.95rem; }
nav a:not(.btn):hover { color: var(--accent); }
@media (max-width: 720px) { nav a:not(.btn) { display: none; } }

.btn {
  display: inline-block; padding: 14px 22px; border-radius: 999px;
  background: var(--accent); color: var(--accent-fg); font-weight: 600;
  text-decoration: none; border: 2px solid var(--accent); text-align: center;
}
.btn:hover { filter: brightness(1.08); }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line); }
.btn-sm { padding: 8px 16px; font-size: 0.9rem; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; }
@media (max-width: 480px) { .cta .btn { width: 100%; } }

.hero { padding: 88px 0 72px; }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.06em; margin: 0; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 60ch; margin: 0; }
.proof { list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 720px; }
.proof li { border-left: 3px solid var(--accent); padding-left: 12px; }
.proof strong { display: block; font-size: 1.6rem; }
.proof span { color: var(--muted); font-size: 0.9rem; line-height: 1.35; display: block; }
@media (max-width: 560px) { .proof { grid-template-columns: 1fr; } }

.sub { color: var(--muted); max-width: 62ch; margin: 0 0 32px; }
.grid, .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.work { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 960px) { .grid, .steps { grid-template-columns: repeat(2, 1fr); } .work { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .grid, .steps { grid-template-columns: 1fr; } }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.band .card { background: var(--bg); }
.card p { color: var(--muted); margin: 0 0 12px; }
.card ul { margin: 0; padding-left: 18px; color: var(--muted); font-size: 0.95rem; }
.work { margin-top: 24px; }
.work a { font-weight: 600; text-decoration: none; }
.tag { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent) !important; font-weight: 600; }

.steps { list-style: none; counter-reset: s; padding: 0; margin: 24px 0 0; gap: 24px; }
.steps li { counter-increment: s; }
.steps li::before {
  content: counter(s); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); color: var(--accent-fg); font-weight: 700; margin-bottom: 12px;
}
.steps p { color: var(--muted); margin: 0; }

details { border-bottom: 1px solid var(--line); padding: 16px 0; }
summary { cursor: pointer; font-weight: 600; }
details p { color: var(--muted); margin: 10px 0 0; }

.contact { text-align: left; }
.foot { border-top: 1px solid var(--line); padding: 28px 0; font-size: 0.9rem; color: var(--muted); }
.foot-in { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.foot p { margin: 0; }

.doc { padding: 56px 0; }
.doc h2 { font-size: 1.25rem; margin-top: 2em; }
.doc p, .doc li { color: var(--muted); }