:root{--bg:#0b1020;--panel:#121a30;--panel2:#18223d;--text:#e8ecf6;--muted:#9aa6c2;--line:#26324f;--accent:#3ddc97;--accent2:#5aa9ff;--amber:#ffb547;--red:#ff5d6c;--green:#3ddc97;--radius:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.55}
a{color:var(--accent2)}a:hover{color:#8cc4ff}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.site{border-bottom:1px solid var(--line);background:rgba(11,16,32,.92);position:sticky;top:0;z-index:10;backdrop-filter:blur(6px)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text);text-decoration:none;letter-spacing:.2px}
.logo svg{width:26px;height:26px}
nav a{color:var(--muted);text-decoration:none;margin-left:18px;font-size:.95rem}nav a:hover{color:var(--text)}
.btn{display:inline-block;background:var(--accent);color:#04140d;font-weight:700;border:0;border-radius:10px;padding:12px 18px;text-decoration:none;cursor:pointer;font-size:1rem}
.btn:hover{filter:brightness(1.08);color:#04140d}.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line)}
.hero{padding:72px 0 48px}.hero h1{font-size:clamp(2rem,4.6vw,3.3rem);line-height:1.1;margin:0 0 18px;max-width:880px}
.hero p.lead{font-size:1.2rem;color:var(--muted);max-width:720px;margin:0 0 26px}
.pill{display:inline-block;font-size:.8rem;border:1px solid var(--line);color:var(--muted);border-radius:999px;padding:4px 12px;margin-bottom:18px}
section{padding:48px 0;border-top:1px solid var(--line)}section h2{font-size:1.8rem;margin:0 0 8px}section p.sub{color:var(--muted);margin:0 0 28px}
.grid{display:grid;gap:18px}.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.g2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.card h3{margin:0 0 8px;font-size:1.1rem}.card p{margin:0;color:var(--muted)}
.step{counter-increment:s}.step h3::before{content:counter(s);display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--panel2);border:1px solid var(--line);margin-right:10px;font-size:.9rem}
.steps{counter-reset:s}
.tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:var(--amber);border:1px solid #5a4520;border-radius:6px;padding:1px 6px;margin-left:6px;vertical-align:middle}
.price{font-size:2.3rem;font-weight:800;margin:6px 0}.price small{font-size:1rem;color:var(--muted);font-weight:500}
.card ul{padding-left:18px;color:var(--muted);margin:12px 0 0}.card.featured{border-color:var(--accent)}
details{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
details summary{cursor:pointer;font-weight:600}details p{color:var(--muted)}
form.waitlist{display:flex;gap:10px;flex-wrap:wrap;max-width:560px}
input,select{background:var(--panel2);border:1px solid var(--line);color:var(--text);border-radius:10px;padding:11px 12px;font-size:1rem;width:100%}
form.waitlist input[type=email]{flex:1;min-width:240px;width:auto}
label{display:block;font-size:.88rem;color:var(--muted);margin-bottom:6px}
.hp{position:absolute;left:-9999px}
.note{font-size:.85rem;color:var(--muted)}.msg{margin-top:10px;font-size:.95rem}
footer{border-top:1px solid var(--line);padding:30px 0 50px;color:var(--muted);font-size:.85rem}
/* calculator */
.calc{display:grid;grid-template-columns:minmax(300px,420px) 1fr;gap:22px}@media(max-width:860px){.calc{grid-template-columns:1fr}}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.fields .full{grid-column:1/-1}
.status{border-radius:var(--radius);padding:18px 20px;font-weight:700;font-size:1.15rem;border:1px solid var(--line)}
.status.green{background:rgba(61,220,151,.12);border-color:var(--green);color:var(--green)}
.status.amber{background:rgba(255,181,71,.12);border-color:var(--amber);color:var(--amber)}
.status.red{background:rgba(255,93,108,.12);border-color:var(--red);color:var(--red)}
.meter{height:10px;background:var(--panel2);border-radius:99px;overflow:hidden;margin:10px 0 4px}.meter>span{display:block;height:100%}
.kv{display:flex;justify-content:space-between;border-bottom:1px dashed var(--line);padding:6px 0;font-size:.95rem}.kv span:first-child{color:var(--muted)}
.warn{color:var(--amber)}.small{font-size:.82rem;color:var(--muted)}
article.guide{max-width:760px}article.guide h1{font-size:2.1rem;line-height:1.15}article.guide h2{margin-top:32px}
article.guide table{border-collapse:collapse;width:100%;margin:16px 0;font-size:.95rem}article.guide th,article.guide td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
article.guide th{background:var(--panel2)}.sources{font-size:.9rem;color:var(--muted)}
code{background:var(--panel2);padding:1px 5px;border-radius:5px}