:root { --bg:#f2f4f1; --card:#fff; --text:#0d1b14; --muted:#5b6a62; --border:#e1e6e2; --brand:#0a7f52; --soft:#e1f3ea; --hero:#0d1b14; --hero-text:#f2f7f4; }
@media (prefers-color-scheme: dark) { :root { --bg:#0a0f0c; --card:#131a16; --text:#eaf1ed; --muted:#93a29a; --border:#24302a; --brand:#2bbf85; --soft:#12261d; --hero:#16251d; } }
* { box-sizing: border-box; }
html { color-scheme: light dark; scroll-behavior: smooth; }
body { margin:0; font-family: system-ui,-apple-system,'Segoe UI',Roboto,sans-serif; background:var(--bg); color:var(--text); line-height:1.6; -webkit-font-smoothing:antialiased; }
::selection { background: var(--brand); color:#fff; }
a { color: var(--brand); text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; border-radius: 4px; }
.skip { position:absolute; left:-999px; }
.skip:focus { left:16px; top:12px; background:var(--card); padding:8px 12px; border-radius:8px; z-index:9; }
header.nav { display:flex; align-items:center; gap:20px; padding:14px 24px; max-width:1080px; margin:0 auto; }
header.nav .logo { font-weight:800; font-size:20px; letter-spacing:-0.4px; color:var(--text); text-decoration:none; display:flex; align-items:center; gap:8px; }
header.nav .logo span { width:28px; height:28px; border-radius:9px; background:var(--brand); color:#fff; display:grid; place-items:center; font-size:15px; }
header.nav nav { margin-left:auto; display:flex; gap:18px; flex-wrap:wrap; }
header.nav nav a { color:var(--muted); text-decoration:none; font-weight:600; font-size:14px; }
header.nav nav a:hover, header.nav nav a[aria-current] { color:var(--text); }
main { max-width:1080px; margin:0 auto; padding:0 24px 64px; }
.hero { background:var(--hero); color:var(--hero-text); border-radius:28px; padding:56px 40px; display:grid; gap:18px; }
.hero h1 { font-size:clamp(34px,6vw,56px); line-height:1.05; letter-spacing:-0.03em; margin:0; max-width:14ch; text-wrap:balance; }
.hero p { font-size:18px; color:#9db3a8; margin:0; max-width:52ch; }
.cta { display:inline-flex; align-items:center; gap:8px; background:var(--brand); color:#fff; font-weight:700; text-decoration:none; padding:13px 22px; border-radius:14px; transition: transform 140ms cubic-bezier(0.23,1,0.32,1); }
.cta:active { transform: scale(0.97); }
.cta.ghost { background:rgba(255,255,255,0.1); }
.row { display:flex; gap:12px; flex-wrap:wrap; }
h2 { font-size:28px; letter-spacing:-0.02em; margin:56px 0 16px; text-wrap:balance; scroll-margin-top:16px; }
.steps { display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:14px; counter-reset: s; padding:0; margin:0; list-style:none; }
.steps li { background:var(--card); border:1px solid var(--border); border-radius:18px; padding:20px; counter-increment:s; }
.steps li::before { content: counter(s); display:grid; place-items:center; width:32px; height:32px; border-radius:10px; background:var(--soft); color:var(--brand); font-weight:800; margin-bottom:10px; }
.steps h3, .two h3 { margin:0 0 4px; font-size:17px; }
.steps p, .two p { margin:0; color:var(--muted); font-size:15px; }
.two { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:14px; }
.two > div { background:var(--card); border:1px solid var(--border); border-radius:18px; padding:22px; }
article { background:var(--card); border:1px solid var(--border); border-radius:18px; padding:32px; max-width:76ch; }
article h1 { font-size:34px; letter-spacing:-0.02em; margin:0 0 4px; }
article h2 { font-size:20px; margin:28px 0 6px; }
article p, article li { font-size:16px; text-wrap:pretty; }
.muted { color:var(--muted); }
.note { background:var(--soft); border-radius:12px; padding:12px 16px; font-size:14px; }
footer { max-width:1080px; margin:0 auto; padding:24px; color:var(--muted); font-size:14px; display:flex; gap:18px; flex-wrap:wrap; border-top:1px solid var(--border); }
footer a { color:var(--muted); }
@media (max-width:600px) { .hero { padding:36px 22px; border-radius:22px; } article { padding:22px; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior:auto; } .cta { transition:none; } }
input[type=password] { font: inherit; padding: 10px 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--card); color: var(--text); width: min(100%, 340px); margin-top: 4px; }
label { font-weight: 600; font-size: 14px; }
.err { color: #c23a3a; min-height: 1.2em; margin: 0 0 8px; }
button.cta { border: 0; cursor: pointer; font: inherit; font-weight: 700; }