:root{
  --green:#7AB800;
  --dark:#284E36;
  --ink:#173526;
  --muted:#66736a;
  --bg:#f6f8f4;
  --card:#fff;
  --line:#dfe7dc;
  --shadow:0 18px 45px rgba(40,78,54,.12);
  --soft:#eef7e3;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Outfit,system-ui,-apple-system,Segoe UI,sans-serif}
button,input,select{font:inherit}
button{cursor:pointer}
a{text-decoration:none}
.app{min-height:100vh}
.topbar{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 28px}
.brand-logo{width:200px;max-height:58px;object-fit:contain}
.top-actions{display:flex;gap:12px;align-items:center}
.domain{font-weight:800;color:var(--dark);background:var(--soft);border-radius:999px;padding:8px 12px}
select,input{width:100%;border:1px solid var(--line);border-radius:14px;padding:12px 14px;background:#fff;color:var(--ink);outline:none}
select:focus,input:focus{border-color:var(--green);box-shadow:0 0 0 3px rgba(122,184,0,.15)}
.top-actions select{width:auto}
.hero{margin:28px auto 18px;width:min(1180px,calc(100% - 32px));background:linear-gradient(135deg,var(--dark),#173526);color:#fff;border-radius:34px;padding:42px;display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:center;box-shadow:var(--shadow);overflow:hidden}
.eyebrow{color:#bfe584;text-transform:uppercase;letter-spacing:.12em;font-weight:800;margin:0 0 10px}
.hero h1{font-size:48px;line-height:.98;margin:0 0 16px;max-width:850px}
.hero p{max-width:740px;margin:0;color:#e8f2e7;font-size:19px;line-height:1.45}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.primary{display:inline-block;border:0;background:var(--green);color:#fff;border-radius:999px;padding:13px 22px;font-weight:800}
.ghost{border:1px solid var(--line);background:#fff;color:var(--dark);border-radius:999px;padding:12px 18px;font-weight:800}
.ghost.dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.hero-card{background:#fff;color:var(--dark);border-radius:28px;padding:28px;box-shadow:0 22px 50px rgba(0,0,0,.16)}
.big-number{font-size:70px;line-height:1;font-weight:800;color:var(--green)}
.hero-card span{display:block;font-size:24px;font-weight:800;line-height:1.1;margin:8px 0}
.hero-card small{display:block;color:var(--muted);line-height:1.45}
.trust{width:min(1180px,calc(100% - 32px));margin:12px auto 18px;text-align:center}
.trust{width:min(1180px,calc(100% - 32px));margin:12px auto 18px;text-align:center}.trust img{width:min(520px,100%);display:block;margin:0 auto;border-radius:14px}
.calculator{width:min(1180px,calc(100% - 32px));margin:20px auto;display:grid;grid-template-columns:430px 1fr;gap:20px;align-items:start}
.card{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:0 10px 30px rgba(40,78,54,.08)}
.card h2{margin:0 0 8px;font-size:30px}
.card p{color:var(--muted);line-height:1.45}
label{display:block;margin:14px 0;color:var(--dark);font-weight:700}
label span{display:inline-block;margin-bottom:7px}
.grid.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
details{margin:16px 0;background:#f7faf3;border:1px solid var(--line);border-radius:18px;padding:14px}
summary{font-weight:800;color:var(--dark);cursor:pointer}
.advanced-grid{margin-top:10px}
.full{width:100%;margin-top:8px}
.result-card{min-height:560px}
.empty-state{display:grid;place-items:center;text-align:center;min-height:500px}
.empty-state img{width:120px;opacity:.95}
.empty-state p{max-width:540px}
.metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0}
.metric{background:#f7faf3;border:1px solid var(--line);border-radius:20px;padding:16px}
.metric small{display:block;color:var(--muted);font-weight:700;margin-bottom:4px}
.metric b{display:block;font-size:30px;color:var(--dark)}
.metric.highlight{background:linear-gradient(135deg,#f9fff1,#eef8df);border-color:#cce5ad}
.scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}
.scenario{border:1px solid var(--line);border-radius:20px;padding:16px;background:#fff}
.scenario h4{margin:0 0 6px;color:var(--dark)}
.scenario b{font-size:24px;color:var(--green)}
.result-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}
.note{background:#f1f7e9;border-left:4px solid var(--green);padding:13px;border-radius:12px;margin-top:14px;color:var(--dark);line-height:1.45}
.method{width:min(1180px,calc(100% - 32px));margin:20px auto}
.disclaimer{background:#fff6df;border-left:4px solid #f2b705;padding:12px;border-radius:12px;color:#684400!important}
footer{width:min(1180px,calc(100% - 32px));margin:22px auto 36px;padding:18px;color:var(--muted);display:flex;gap:16px;align-items:center}
footer img{width:170px}
@media(max-width:920px){
  .topbar{padding:12px;align-items:flex-start}
  .brand-logo{width:170px}
  .domain{display:none}
  .hero,.calculator{grid-template-columns:1fr}
  .hero{padding:28px}
  .hero h1{font-size:38px}
  .hero p{font-size:17px}
  .trust{width:min(1180px,calc(100% - 32px));margin:12px auto 18px;text-align:center}
  .grid.two,.metrics,.scenarios{grid-template-columns:1fr}
  footer{display:block}
  footer img{margin-bottom:12px}
}
@media print{
  .topbar,.hero-actions,.trust,.form-card,.result-actions{display:none!important}
  body{background:#fff}
  .hero,.card{box-shadow:none}
  .calculator{display:block}
  .result-card{min-height:auto}
}