:root{--bg:#090b0f;--panel:#11151c;--panel2:#171c25;--line:#29303d;--text:#f4f6f8;--muted:#9ba5b4;--accent:#ff6a00;--accent2:#ff9b52;--ok:#45d483}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% 0,#24201d 0,#0b0e13 32%,#07090c 100%);color:var(--text);font:16px/1.5 Inter,Arial,sans-serif;min-height:100vh}.shell{width:min(1120px,calc(100% - 32px));margin:auto;padding:56px 0}.hero{max-width:760px;margin-bottom:28px}.eyebrow{font-weight:800;letter-spacing:.2em;color:var(--accent)}h1{font-size:clamp(38px,7vw,72px);line-height:1;margin:10px 0 18px}.hero p,footer{color:var(--muted)}.card{background:linear-gradient(145deg,rgba(23,28,37,.95),rgba(13,17,23,.95));border:1px solid var(--line);border-radius:22px;padding:24px;box-shadow:0 24px 70px rgba(0,0,0,.3)}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}label span{display:block;font-size:13px;font-weight:700;color:var(--muted);margin:0 0 8px}select,input,button{width:100%;border-radius:12px;border:1px solid var(--line);background:#0d1117;color:var(--text);padding:14px;font:inherit}select:focus,input:focus{outline:2px solid rgba(255,106,0,.45);border-color:var(--accent)}select:disabled{opacity:.48}.status{margin-top:18px;color:var(--muted)}.result{margin-top:18px}.hidden{display:none}.vehicle-title{display:flex;justify-content:space-between;gap:18px;align-items:flex-start}.vehicle-title h2{margin:0;font-size:30px}.badge{padding:7px 11px;border-radius:999px;background:rgba(69,212,131,.1);color:var(--ok);border:1px solid rgba(69,212,131,.3);font-size:12px;font-weight:800}.badge.warn{color:#ffbe61;border-color:#805c2e;background:#2a2115}.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.spec{background:var(--panel2);border:1px solid var(--line);border-radius:16px;padding:18px}.spec small{display:block;color:var(--muted);margin-bottom:6px}.spec strong{font-size:25px}.stage-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.stage{border:1px solid var(--line);border-radius:18px;padding:20px;background:#0d1117}.stage h3{margin:0 0 16px}.numbers{display:flex;gap:20px}.numbers b{font-size:26px}.price{color:var(--accent2);font-weight:800;margin-top:14px}.actions{display:flex;gap:12px;margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:12px;padding:14px 18px;font-weight:800}.primary{background:var(--accent);color:#fff}.secondary{background:#1b222d;color:#fff;border:1px solid var(--line)}footer{text-align:center;font-size:13px;padding:24px 8px}@media(max-width:850px){.steps,.spec-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.shell{width:min(100% - 20px,1120px);padding:26px 0}.steps,.spec-grid,.stage-grid{grid-template-columns:1fr}.vehicle-title,.actions{flex-direction:column}.actions .btn{width:100%}}