:root{
  --bg:#fcfaf7;
  --card:#ffffff;
  --ink:#151515;
  --muted:#6b6b6b;
  --line:#e9e1d6;
  --accent:#111;
  --accent-2:#ff6b35;
  --green:#0a7a42;
  --red:#c43a31;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,0.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--ink);line-height:1.5}
.container{max-width:1160px;margin:0 auto;padding:0 20px}
.header{border-bottom:1px solid var(--line);background:rgba(255,255,255,0.8);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}
.header .container{display:flex;justify-content:space-between;align-items:center;padding:14px 20px}
.logo{display:flex;gap:12px;align-items:center}
.logo-icon{width:44px;height:44px;background:var(--ink);color:#fff;display:grid;place-items:center;border-radius:10px;font-size:22px}
.logo h1{margin:0;font-family:Fraunces,serif;font-size:22px;line-height:1}
.logo p{margin:2px 0 0;font-size:12px;color:var(--muted);letter-spacing:0.5px}
.header-badge{font-size:12px;border:1px solid var(--line);padding:6px 12px;border-radius:999px;background:#fff}
.hero{padding:36px 0 20px}
.hero h2{font-family:Fraunces,serif;font-size:42px;line-height:0.95;max-width:720px;margin:0}
.hero h2 span{background:linear-gradient(90deg,var(--accent-2),#ffb347);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:680px;color:var(--muted);font-size:17px;margin:14px 0}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:18px}
.hero-stats div{background:#fff;border:1px solid var(--line);padding:8px 14px;border-radius:999px;font-size:13px}
.hero-stats strong{color:var(--ink)}
.tabs{display:flex;gap:8px;overflow:auto;padding:10px 0 18px;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{white-space:nowrap;border:1px solid var(--line);background:#fff;padding:12px 18px;border-radius:999px;font-weight:600;font-size:14px;cursor:pointer;display:flex;gap:8px;align-items:center;transition:all .2s}
.tab.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.calc-section{display:none}
.calc-section.active{display:block}
.grid-2{display:grid;grid-template-columns:1.2fr 0.8fr;gap:18px}
@media(max-width:900px){.grid-2{grid-template-columns:1fr}.hero h2{font-size:32px}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.card h3{margin:0 0 16px;font-family:Fraunces,serif;font-size:22px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.form-grid{grid-template-columns:1fr}}
label{font-size:13px;font-weight:500;display:flex;flex-direction:column;gap:6px}
label small{font-weight:400;color:var(--muted);font-size:11px}
input,select{padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;background:#fffdf9;outline:none}
input:focus,select:focus{border-color:var(--ink);background:#fff}
.checks{display:flex;gap:12px;margin:14px 0;flex-wrap:wrap}
.check{flex-direction:row;align-items:center;gap:8px;background:#fff7ed;border:1px solid #ffe4cc;padding:8px 12px;border-radius:999px;cursor:pointer}
.btn{margin-top:12px;width:100%;padding:14px;background:var(--ink);color:#fff;border:0;border-radius:12px;font-weight:700;font-size:15px;cursor:pointer;letter-spacing:0.2px}
.btn:hover{background:#000}
.result-card h4{margin:0 0 12px;font-family:Fraunces,serif;font-size:20px}
.muted{color:var(--muted)}
.kv{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px}
.kv:last-child{border:0}
.kv b{font-weight:700}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:0.3px}
.badge-green{background:#e6f5ec;color:var(--green);border:1px solid #b6e2c6}
.badge-red{background:#fdecea;color:var(--red);border:1px solid #f5b9b4}
.badge-orange{background:#fff1e6;color:#9a4a17;border:1px solid #ffd0a8}
.big{font-size:28px;font-weight:800;font-family:Fraunces,serif;line-height:1}
.range{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}
.range div{background:#f8f5f0;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
.range div small{display:block;color:var(--muted);font-size:11px}
.bar{height:8px;background:#eee;border-radius:999px;overflow:hidden;margin:8px 0}
.bar div{height:100%;background:var(--ink)}
.info{margin:28px 0 0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:20px}
.info h3{margin:0 0 12px;font-family:Fraunces,serif}
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;font-size:13px;color:var(--muted)}
@media(max-width:700px){.info-grid{grid-template-columns:1fr}}
.footer{margin-top:30px;padding:22px 0 40px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}