:root{--navy:#1f2a44;--navy2:#2b3a5e;--teal:#2a9d8f;--teal-d:#1f7a6f;--teal-l:#e6f4f2;--gold:#e9c46a;--gold-l:#fbf3dc;--ink:#1f2a44;--muted:#5d6779;--line:#dfe4ec;--bg:#f6f8fb;--card:#fff;--r:14px;--sh:0 1px 2px rgba(31,42,68,.06),0 6px 24px rgba(31,42,68,.06)}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--teal-d)}a:hover{color:var(--navy)}
img{max-width:100%;height:auto}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em;color:var(--navy)}
h1{font-size:clamp(1.9rem,4.5vw,2.8rem);margin:.2em 0 .35em}
h2{font-size:clamp(1.35rem,3vw,1.75rem);margin:2em 0 .6em}
h3{font-size:1.12rem;margin:1.5em 0 .4em}
p,li{max-width:72ch}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:10}
/* header */
.hdr{background:var(--navy);color:#fff}
.hdr .wrap{display:flex;align-items:center;justify-content:space-between;min-height:62px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.logo svg{flex:none}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{color:#dfe6f3;text-decoration:none;padding:8px 10px;border-radius:8px;font-size:.95rem}
.nav a:hover,.nav a[aria-current]{background:rgba(255,255,255,.1);color:#fff}
.nav a.shop{background:var(--gold);color:var(--navy);font-weight:700}
.navbtn{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:8px;padding:6px 10px;font:inherit}
@media(max-width:860px){.navbtn{display:block}.nav{display:none;position:absolute;left:0;right:0;top:62px;background:var(--navy);flex-direction:column;padding:8px 16px 16px;z-index:5}.nav-open .nav{display:flex}.hdr{position:relative}}
/* hero */
.hero{background:linear-gradient(180deg,var(--navy) 0,var(--navy2) 100%);color:#e8edf6;padding:44px 0 56px}
.hero h1{color:#fff;max-width:20ch}
.hero p{font-size:1.15rem;color:#cdd6e6}
.kicker{display:inline-block;font-weight:700;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--teal);background:var(--teal-l);border-radius:99px;padding:4px 12px}
.hero .kicker{background:rgba(42,157,143,.18);color:#7fd8cc}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding:0;list-style:none}
.pills li{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:99px;padding:4px 12px;font-size:.9rem}
/* tool cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-top:-30px}
.tool{background:var(--card);border-radius:var(--r);box-shadow:var(--sh);padding:22px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:6px;border:1px solid var(--line);transition:transform .12s,box-shadow .12s}
.tool:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(31,42,68,.12);color:var(--ink)}
.tool .ic{width:42px;height:42px;border-radius:10px;background:var(--teal-l);display:grid;place-items:center;font-size:1.3rem}
.tool h3{margin:.3em 0 0;font-size:1.08rem}
.tool p{margin:0;color:var(--muted);font-size:.95rem}
.tool .go{margin-top:auto;padding-top:8px;font-weight:700;color:var(--teal-d);font-size:.95rem}
/* page */
.crumbs{font-size:.88rem;color:var(--muted);margin:18px 0 0}
.crumbs a{color:var(--muted)}
.lead{font-size:1.12rem;color:var(--muted)}
main{padding-bottom:40px}
/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;margin:24px 0}
@media(max-width:860px){.calc{grid-template-columns:minmax(0,1fr)}}
.panel{min-width:0;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--sh);padding:22px}
.panel h2{margin:0 0 14px;font-size:1.15rem}
.results{background:linear-gradient(180deg,#fff,#fbfcfe);position:sticky;top:12px;align-self:start}
@media(max-width:860px){.results{position:static}}
.field{margin-bottom:14px}
.field label{display:block;font-weight:650;font-size:.94rem;margin-bottom:5px}
.field .hint{display:block;font-weight:400;color:var(--muted);font-size:.84rem}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:420px){.row2{grid-template-columns:1fr}}
input[type=number],input[type=text],select{width:100%;font:inherit;font-size:1rem;padding:10px 12px;border:1px solid #c9d1de;border-radius:10px;background:#fff;color:var(--ink);min-height:44px}
input:focus,select:focus,button:focus-visible,a:focus-visible{outline:3px solid rgba(42,157,143,.35);outline-offset:1px;border-color:var(--teal)}
.affix{position:relative}.affix>span{position:absolute;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none;font-size:.95rem}
.affix.pre>span{left:12px}.affix.pre input{padding-left:26px}
.affix.post>span{right:12px}.affix.post input{padding-right:30px}
table{border-collapse:collapse;width:100%;font-size:.94rem}
th,td{padding:8px 8px;border-bottom:1px solid var(--line);text-align:right;vertical-align:middle}
th:first-child,td:first-child{text-align:left}
thead th{font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700}
tr.dim td{color:#9aa3b2}tr.tot td{font-weight:800;border-bottom:0}tr.hl td{background:var(--teal-l);font-weight:700}
.tiers{table-layout:fixed}.tiers td{padding:4px}.tiers input{min-height:40px;padding:8px;min-width:0}
.tbl{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tiers td:first-child{width:44px;color:var(--muted);text-align:center}
.x{border:0;background:#f1f3f7;border-radius:8px;width:36px;height:36px;font-size:1.2rem;cursor:pointer;color:var(--muted)}
.btn,.btn-ghost{display:inline-block;font:inherit;font-weight:700;border-radius:10px;padding:11px 18px;cursor:pointer;text-decoration:none;min-height:44px}
.btn{background:var(--teal);color:#fff;border:0}.btn:hover{background:var(--teal-d);color:#fff}
.btn-ghost{background:none;border:1px dashed #b7c1d1;color:var(--navy);margin-top:8px;padding:8px 14px}
.big{font-size:clamp(2rem,6vw,2.7rem);font-weight:800;color:var(--teal-d);line-height:1.1;margin:2px 0 6px;font-variant-numeric:tabular-nums}
.label{font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}
.kpi{background:var(--bg);border-radius:10px;padding:10px 12px}
.kpi b{display:block;font-size:1.15rem;font-variant-numeric:tabular-nums}
.kpi small{color:var(--muted)}
.bar{height:12px;background:#e8edf3;border-radius:99px;overflow:hidden;margin:10px 0}
.bar span{display:block;height:100%;background:linear-gradient(90deg,var(--teal),#53c2b4);border-radius:99px}
.note{font-size:.88rem;color:var(--muted)}
.msg{background:var(--teal-l);border-left:4px solid var(--teal);padding:10px 12px;border-radius:8px;font-size:.95rem;margin:12px 0}
.tools-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.linkbtn{background:none;border:0;color:var(--teal-d);font:inherit;font-size:.9rem;text-decoration:underline;cursor:pointer;padding:6px 0}
.fn{position:relative;display:flex;justify-content:space-between;align-items:center;padding:8px 12px;margin:6px 0;border-radius:8px;overflow:hidden;background:#f1f4f8}
.fn-bar{position:absolute;left:0;top:0;bottom:0;background:linear-gradient(90deg,rgba(42,157,143,.28),rgba(42,157,143,.12))}
.fn-lbl,.fn b{position:relative}.fn b{font-variant-numeric:tabular-nums}
.mode-income .if-revenue{display:none}body:not(.mode-income) .if-income{display:none}
/* cta */
.cta{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;background:var(--gold-l);border:1px solid #f0dca6;border-radius:var(--r);padding:18px 20px;margin:28px 0}
.cta img{width:96px;height:96px;border-radius:10px;object-fit:cover;box-shadow:var(--sh)}
.cta h2,.cta h3{margin:0 0 4px;font-size:1.1rem}
.cta p{margin:0;color:#4b5466;font-size:.95rem}
.cta .price{font-weight:800;color:var(--navy);white-space:nowrap}
@media(max-width:640px){.cta{grid-template-columns:1fr;text-align:left}.cta img{display:none}}
.prose{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:8px 28px 24px}
@media(max-width:640px){.prose{padding:4px 18px 18px}}
.prose table{margin:12px 0}
.formula{background:var(--navy);color:#e6ecf6;border-radius:10px;padding:12px 14px;font:0.93rem/1.6 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow-x:auto;white-space:pre}
details{border-bottom:1px solid var(--line);padding:10px 0}
summary{cursor:pointer;font-weight:700;color:var(--navy)}
details p{margin:.5em 0 0}
.related{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.related a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;text-decoration:none;font-weight:700}
.products{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.product{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh)}
.product img{aspect-ratio:1/1;object-fit:cover;width:100%;background:#eef1f6}
.product div{padding:14px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.product h3{margin:0;font-size:1.02rem}.product p{margin:0;color:var(--muted);font-size:.92rem}
.product .btn{margin-top:auto;text-align:center}
.disclaimer{font-size:.85rem;color:var(--muted);border-top:1px solid var(--line);margin-top:28px;padding-top:12px}
/* footer */
.ftr{background:var(--navy);color:#b9c3d6;padding:34px 0;font-size:.92rem;margin-top:30px}
.ftr a{color:#dfe6f3}
.ftr .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px}
.ftr h4{color:#fff;margin:0 0 8px;font-size:.95rem}
.ftr ul{list-style:none;padding:0;margin:0}.ftr li{margin:4px 0}
@media print{.hdr,.ftr,.cta,.nav,.tools-row{display:none}.results{position:static}}
@media(max-width:480px){.panel{padding:16px}th,td{padding:7px 5px}table{font-size:.86rem}.kpis{gap:8px}.prose table{font-size:.84rem}}
.mbar{display:none}
@media(max-width:860px){.mbar{display:flex;position:fixed;left:10px;right:10px;bottom:10px;z-index:8;align-items:center;gap:10px;background:var(--navy);color:#fff;text-decoration:none;border-radius:14px;padding:10px 14px;box-shadow:0 8px 30px rgba(0,0,0,.25);transition:transform .2s,opacity .2s}
.mbar span{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:#b9c3d6;max-width:30%}.mbar b{font-size:1.25rem;color:#7fd8cc;font-variant-numeric:tabular-nums}.mbar i{margin-left:auto;font-style:normal;font-size:.85rem;color:var(--gold);white-space:nowrap}
.mbar.off{transform:translateY(140%);opacity:0;pointer-events:none}}