:root{--bg:#0d1117;--panel:#151b23;--panel2:#1b2430;--line:#2a3544;--text:#eef3f8;--muted:#96a5b6;--accent:#63e6be;--danger:#ff7b72;--warn:#ffd166;--radius:18px}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 20% -10%,#17352f,transparent 34%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}.shell{width:min(1180px,calc(100% - 34px));margin:auto}.topbar{border-bottom:1px solid var(--line);background:rgba(13,17,23,.87);backdrop-filter:blur(14px);position:sticky;top:0;z-index:20}.topbar .shell{height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brandmark{font-size:1.1rem;font-weight:900;letter-spacing:-.03em}.brandmark b{color:var(--accent)}.nav{display:flex;align-items:center;gap:18px}.nav a{color:var(--muted);text-decoration:none;font-weight:750}.nav a:hover{color:#fff}.page{padding:48px 0 80px}.heroapp{padding:56px 0 28px}.heroapp h1{font-size:clamp(2.2rem,5vw,5rem);line-height:.98;max-width:850px;margin:0 0 20px;letter-spacing:-.055em}.heroapp p{max-width:760px;font-size:1.16rem;color:var(--muted)}.panel{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:0 26px 80px rgba(0,0,0,.22)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.field{display:grid;gap:8px;margin-bottom:20px}.field label{font-weight:800}.hint{color:var(--muted);font-size:.9rem}.field input,.field textarea,.field select{width:100%;background:#0f151d;color:var(--text);border:1px solid var(--line);border-radius:12px;padding:13px 14px;font:inherit;outline:none}.field textarea{min-height:112px;resize:vertical}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,230,190,.12)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;background:var(--accent);color:#07110e;border:0;border-radius:12px;padding:13px 18px;font-weight:900;text-decoration:none;cursor:pointer;font-size:.96rem}.btn:hover{filter:brightness(1.06)}.btn.secondary{background:#222d3a;color:#fff;border:1px solid var(--line)}.btn.danger{background:#4a2226;color:#ffd7d5;border:1px solid #6f3035}.actions{display:flex;flex-wrap:wrap;gap:10px}.stepno{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:rgba(99,230,190,.13);color:var(--accent);font-weight:900;margin-right:8px}.q{padding:24px 0;border-bottom:1px solid var(--line)}.q:last-child{border-bottom:0}.q h3{margin:0 0 12px;font-size:1.14rem}.alert{padding:14px 16px;border-radius:12px;margin:0 0 20px;background:#3b2527;border:1px solid #6d3439;color:#ffd8d6}.success{background:#19352d;border-color:#285848;color:#c7ffe9}.cards{display:grid;gap:14px}.card{display:flex;align-items:center;justify-content:space-between;gap:18px;background:var(--panel);border:1px solid var(--line);padding:18px;border-radius:14px}.card h3{margin:0 0 4px}.status{font-size:.8rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent);font-weight:900}.mock-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}.phoneframe{width:min(100%,520px);aspect-ratio:9/16;background:#fff;margin:auto;border-radius:24px;overflow:hidden;border:10px solid #05080c;box-shadow:0 40px 90px rgba(0,0,0,.4)}.phoneframe iframe{width:100%;height:100%;border:0;background:white}.side h2{margin-top:0}.scoregrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.score{padding:14px;border:1px solid var(--line);border-radius:12px;background:#111821}.score strong{display:block;font-size:1.6rem}.score small{display:block;color:var(--muted);line-height:1.2}.score.pass strong{color:var(--accent)}.score.fail strong{color:var(--warn)}.test{display:flex;justify-content:space-between;gap:20px;padding:10px 0;border-bottom:1px solid var(--line)}.test:last-child{border-bottom:0}.ok{color:var(--accent);font-weight:900}.bad{color:var(--danger);font-weight:900}.pass-card{padding:20px;border:1px solid var(--line);border-radius:14px;background:#111821}.pass-card h3{margin-top:0}.muted{color:var(--muted)}code{background:#0b1017;border:1px solid var(--line);padding:2px 6px;border-radius:6px}progress{width:100%;height:14px}hr{border:0;border-top:1px solid var(--line);margin:26px 0}.login{max-width:480px;margin:7vh auto}.footerapp{padding:35px 0;color:var(--muted);border-top:1px solid var(--line)}@media(max-width:900px){.mock-wrap{grid-template-columns:1fr}.side{order:-1}.grid2,.grid3,.scoregrid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.shell{width:min(100% - 22px,1180px)}.page{padding-top:28px}.panel{padding:20px}.grid2,.grid3,.scoregrid{grid-template-columns:1fr}.topbar .shell{height:auto;min-height:66px;flex-wrap:wrap;padding:10px 0}.nav{gap:12px;font-size:.9rem}.card{align-items:flex-start;flex-direction:column}.phoneframe{border-width:6px;border-radius:18px}}