:root{
  --bg:#eeefeb;--surface:#f7f6f2;--surface2:#e7e9e4;--text:#1f2933;
  --muted:#68737d;--line:#d7dbd4;--accent:#52677f;--accent2:#3f536a;
  --radius:22px;--shadow:0 14px 34px rgba(31,41,51,.055)
}
*{box-sizing:border-box}
html{background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
body{margin:0;background:var(--bg);line-height:1.6}
a{color:inherit;text-decoration:none}
.at-wrap{max-width:1180px;margin:0 auto;padding:38px 22px 90px}
.at-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:34px}
.at-brand{font-size:14px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.at-home{font-size:13px;color:var(--muted);font-weight:700}
.at-hero{max-width:850px;margin:0 auto 30px;text-align:center}
.at-eyebrow{color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;margin:0 0 10px}
h1{font-size:clamp(38px,6vw,64px);line-height:1.04;letter-spacing:-.045em;margin:0;font-weight:760}
.at-lead{max-width:760px;margin:16px auto 0;color:var(--muted);font-size:17px}
.at-grid{display:grid;grid-template-columns:minmax(0,1.04fr) minmax(320px,.96fr);gap:22px;align-items:start}
.at-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.at-form{padding:28px}
.at-results{padding:28px;position:sticky;top:22px;overflow:hidden}
.at-results:before{content:"";position:absolute;inset:0 0 auto;height:4px;background:var(--accent);opacity:.78}
.at-section+.at-section{border-top:1px solid var(--line);padding-top:24px;margin-top:24px}
.at-section h2,.at-results h2,.at-info h2{margin:0 0 6px;font-size:22px;line-height:1.25;letter-spacing:-.02em}
.at-note,.at-result-note,.at-info p{color:var(--muted);font-size:13px;margin:0 0 16px}
.at-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.at-field label{display:block;margin-bottom:7px;font-size:13px;font-weight:720;color:#38434d}
.at-field input,.at-field select{width:100%;min-height:48px;border:1px solid var(--line);border-radius:12px;background:#fbfaf7;color:var(--text);padding:11px 12px;font:inherit;outline:none}
.at-field input:focus,.at-field select:focus{border-color:#94a2b1;box-shadow:0 0 0 3px rgba(82,103,127,.09);background:#fff}
.at-actions{display:flex;gap:10px;margin-top:22px}
.at-primary,.at-secondary{min-height:50px;border-radius:13px;padding:12px 18px;font:inherit;font-weight:780;cursor:pointer}
.at-primary{flex:1;border:1px solid var(--accent2);background:var(--accent);color:#fff}
.at-primary:hover{background:var(--accent2)}
.at-secondary{border:1px solid var(--line);background:transparent;color:var(--muted)}
.at-error{min-height:22px;margin:10px 0 0;color:#8b4d4d;font-size:13px}
.at-kpis{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.at-kpi{padding:15px;border:1px solid var(--line);border-radius:15px;background:#f1f2ee;min-height:102px}
.at-kpi.primary{grid-column:1/-1;background:#e9ece8}
.at-kpi-label{display:block;color:var(--muted);font-size:11px;font-weight:750;letter-spacing:.05em;text-transform:uppercase}
.at-kpi-value{display:block;margin-top:5px;font-size:25px;line-height:1.15;letter-spacing:-.03em;font-weight:780;overflow-wrap:anywhere}
.at-kpi.primary .at-kpi-value{font-size:38px}
.at-assumption{font-size:11px;color:var(--muted);margin:14px 0 0;line-height:1.55}
.at-info{display:grid;gap:18px;margin-top:22px}
.at-info-card{padding:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.at-formula{padding:16px;border:1px solid var(--line);border-radius:14px;background:#f2f3ef;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;color:var(--accent2);overflow-wrap:anywhere}
.at-related{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:16px}
.at-related a{display:block;padding:13px;border:1px solid var(--line);border-radius:13px;background:#f4f4f0;font-size:13px;font-weight:720}
.at-related a:hover{border-color:#aeb7be}
.at-disclaimer{margin-top:14px;padding:13px 15px;border-left:3px solid #8a6b3f;background:#f1eee8;border-radius:0 12px 12px 0;color:#6f614d;font-size:12px}
.at-catalog{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.at-tool{padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.at-tool small{display:block;color:var(--muted);margin-top:5px}
footer{max-width:1180px;margin:0 auto;padding:0 22px 40px;color:var(--muted);font-size:12px}
@media(max-width:900px){.at-grid{grid-template-columns:1fr}.at-results{position:static}.at-related{grid-template-columns:repeat(2,minmax(0,1fr))}.at-catalog{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:620px){.at-wrap{padding:28px 14px 70px}.at-form,.at-results,.at-info-card{padding:20px}.at-fields,.at-kpis,.at-catalog{grid-template-columns:1fr}.at-kpi.primary{grid-column:auto}.at-actions{flex-direction:column}.at-related{grid-template-columns:1fr}}