:root {
  --bg: #ffffff; --band: #f2f7f7; --text: #0f1a1c; --dim: #4f6266; --line: #d9e4e5;
  --accent: #0b8a90; --accent-strong: #076a6f; --on-accent: #ffffff; --hero-bg: #000000; --hero-text: #e4f2f3; --hero-dim: #9bb4b8; --hero-accent: #22d3d6;
  --card: #ffffff;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #05080a; --band: #0b1215; --text: #e4f2f3; --dim: #93abaf; --line: #1a272c;
    --accent: #22d3d6; --accent-strong: #5ee6e8; --on-accent: #001a1b; --card: #0f171a;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; font-size: 17px; }
a { color: var(--accent); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 760px; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.center { text-align: center; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: clamp(34px, 5vw, 56px); font-weight: 700; letter-spacing: -0.5px; }
h2 { font-size: clamp(26px, 3.2vw, 36px); font-weight: 700; margin-bottom: 20px; }
h3 { font-size: 19px; font-weight: 650; }
p { margin: 0 0 12px; color: var(--dim); }
section { padding: 84px 0; }
.band { background: var(--band); }

.top { position: sticky; top: 0; z-index: 10; background: var(--hero-bg); border-bottom: 1px solid #12201f; }
.top .row { height: 64px; }
.brand { color: var(--hero-text); text-decoration: none; font-weight: 700; font-size: 18px; display: flex; align-items: center; gap: 10px; }
.brand .by { color: var(--hero-dim); font-weight: 500; font-size: 14px; }
.mark { width: 30px; height: 30px; border-radius: 7px; background: var(--hero-accent); color: #001a1b; display: grid; place-items: center; font-weight: 800; }
nav { display: flex; gap: 22px; align-items: center; }
nav a { color: var(--hero-dim); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--hero-text); }

.btn { display: inline-block; background: var(--accent); color: var(--on-accent); padding: 13px 22px; border-radius: 9px; text-decoration: none; font-weight: 650; border: 1px solid var(--accent); }
.btn:hover { background: var(--accent-strong); border-color: var(--accent-strong); }
.btn.ghost { background: transparent; color: inherit; border-color: currentColor; opacity: 0.85; }
.btn.small { padding: 7px 14px; font-size: 14px; }
.top .btn { background: var(--hero-accent); border-color: var(--hero-accent); color: #001a1b; }

.hero { background: var(--hero-bg); color: var(--hero-text); padding: 110px 0 120px; }
.hero p { color: var(--hero-dim); }
.hero .accent { color: var(--hero-accent); }
.hero .lede { font-size: 20px; max-width: 760px; margin: 20px 0 32px; }
.hero .btn { background: var(--hero-accent); border-color: var(--hero-accent); color: #001a1b; }
.hero .btn.ghost { background: transparent; color: var(--hero-text); border-color: #3c5b5e; }
.eyebrow { text-transform: uppercase; letter-spacing: 1.6px; font-size: 13px; color: var(--hero-accent) !important; font-weight: 650; margin-bottom: 16px; }
.cta-row { display: flex; gap: 14px; flex-wrap: wrap; }

.grid3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.cards .card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px; }
.note { margin-top: 28px; font-size: 15px; }
.two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); gap: 48px; align-items: start; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 40px; }
.steps li { display: flex; gap: 16px; }
.steps .n { flex-shrink: 0; width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--accent); color: var(--accent); display: grid; place-items: center; font-weight: 700; }
.checks { list-style: none; padding: 0; margin: 0; }
.checks li { padding: 12px 0 12px 32px; border-bottom: 1px solid var(--line); position: relative; color: var(--dim); }
.checks li::before { content: ""; position: absolute; left: 4px; top: 20px; width: 12px; height: 7px; border-left: 2.5px solid var(--accent); border-bottom: 2.5px solid var(--accent); transform: rotate(-45deg); }
.contact .btn { margin-top: 12px; font-size: 18px; }

footer { background: var(--hero-bg); color: var(--hero-dim); padding: 28px 0; font-size: 14px; }
footer a { color: var(--hero-dim); margin-right: 18px; }
.foot-brand { display: flex; align-items: center; gap: 12px; }
.foot-brand img { border-radius: 6px; }

.doc { padding: 60px 0 90px; }
.doc h1 { font-size: 36px; }
.doc h2 { font-size: 22px; margin-top: 32px; margin-bottom: 8px; }
.doc p, .doc li { color: var(--dim); }

@media (max-width: 860px) {
  nav a:not(.btn) { display: none; }
  .grid3, .two, .steps { grid-template-columns: 1fr; gap: 26px; }
  section { padding: 60px 0; }
  .hero { padding: 72px 0 80px; }
  footer .row { flex-direction: column; align-items: flex-start; }
}