:root{
  --teal:#1F4E5A;--teal-2:#2C6B7A;--amber:#E8A33D;--amber-2:#D18B22;
  --ink:#1B2629;--muted:#5A6A6E;--line:#DDE4E6;--bg:#FAFAF7;--card:#FFFFFF;--soft:#EEF3F4;--ok:#2E7D4F;
  --radius:12px;--max:1080px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-2)}
.wrap{max-width:var(--max);margin:0 auto;padding:0 16px}
header.site{border-bottom:1px solid var(--line);background:#fff}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;color:var(--teal);text-decoration:none;font-size:20px;letter-spacing:-.02em}
.logo svg{width:26px;height:26px}
nav.top{display:flex;gap:18px;align-items:center;font-size:15px}
nav.top a{text-decoration:none;color:var(--ink)}
nav.top a.btn{color:#fff}
@media(max-width:640px){nav.top a.hide-sm{display:none}}
.btn{display:inline-block;background:var(--amber);color:#1B2629;font-weight:700;text-decoration:none;padding:12px 20px;border-radius:10px;border:0;cursor:pointer;font-size:16px;line-height:1.2;text-align:center}
.btn:hover{background:var(--amber-2)}
.btn.sm{padding:8px 14px;font-size:14px;background:var(--teal);color:#fff}
.btn.ghost{background:transparent;color:var(--teal);border:2px solid var(--teal)}
.btn.ghost:hover{background:var(--soft)}
.hero{padding:56px 0 32px}
.hero .grid{display:grid;grid-template-columns:1fr 1.05fr;gap:40px;align-items:center}
@media(max-width:900px){.hero .grid{grid-template-columns:1fr}}
.eyebrow{display:inline-block;background:var(--soft);color:var(--teal);font-weight:700;font-size:13px;padding:4px 10px;border-radius:99px;margin-bottom:14px}
h1{font-size:clamp(30px,4.6vw,46px);line-height:1.12;letter-spacing:-.025em;margin:0 0 16px}
h2{font-size:clamp(24px,3.2vw,32px);line-height:1.2;letter-spacing:-.02em;margin:0 0 14px}
h3{font-size:19px;margin:0 0 6px}
.lead{font-size:19px;color:var(--muted);margin:0 0 22px}
.ctas{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.trust{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px;color:var(--muted);padding:0;margin:0;list-style:none}
.trust li::before{content:"✓ ";color:var(--ok);font-weight:700}
.shot{border-radius:var(--radius);box-shadow:0 12px 40px rgba(20,40,45,.14);background:#fff}
section{padding:48px 0}
section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
@media(max-width:820px){.cols3,.cols2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card p{margin:0;color:var(--muted);font-size:16px}
.tabs-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 24px;padding:0;list-style:none;margin:0}
@media(max-width:640px){.tabs-list{grid-template-columns:1fr}}
.tabs-list li{padding-left:28px;position:relative}
.tabs-list li::before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:4px;background:var(--teal)}
.tabs-list b{display:block}
.tabs-list span{color:var(--muted);font-size:15px}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.cmp{border-collapse:collapse;width:100%;min-width:560px;background:#fff;font-size:15px}
table.cmp th,table.cmp td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
table.cmp th{background:var(--soft)}
table.cmp td.us{background:#FFF8E1;font-weight:600}
.price{max-width:460px;margin:0 auto;text-align:center;border:2px solid var(--teal);border-radius:16px;padding:28px 24px;background:#fff}
.price .amount{font-size:52px;font-weight:800;color:var(--teal);letter-spacing:-.03em;line-height:1}
.price .per{color:var(--muted);margin:6px 0 18px}
.price ul{text-align:left;margin:0 0 22px;padding-left:20px}
.price .btn{width:100%;font-size:18px}
.small{font-size:14px;color:var(--muted)}
details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
summary{font-weight:700;cursor:pointer}
details p{margin:10px 0 0;color:var(--muted)}
footer.site{padding:36px 0;color:var(--muted);font-size:14px;border-top:1px solid var(--line)}
footer.site .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between}
footer.site a{color:var(--muted)}
.fit{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:820px){.fit{grid-template-columns:1fr}}
.fit ul{margin:0;padding-left:20px}
.note{background:var(--soft);border-left:4px solid var(--teal);padding:12px 16px;border-radius:6px;font-size:15px}
/* article */
.article{max-width:740px;margin:0 auto;padding:40px 16px 20px}
.article h1{font-size:clamp(28px,4vw,40px)}
.article h2{font-size:24px;margin-top:34px}
.article h3{font-size:19px;margin-top:22px}
.article table{border-collapse:collapse;width:100%;font-size:15px;margin:14px 0}
.article th,.article td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.article th{background:var(--soft)}
.article pre{background:#F1F5F6;border:1px solid var(--line);border-radius:8px;padding:12px 14px;overflow-x:auto;font-size:13.5px;line-height:1.5}
.article code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.article table{display:block;overflow-x:auto}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:12px}
.cta-box{background:#fff;border:2px solid var(--teal);border-radius:14px;padding:20px;margin:30px 0}
.cta-box p{margin:0 0 12px}
.meta{color:var(--muted);font-size:14px;margin-bottom:20px}
/* calculator */
.calc{display:grid;grid-template-columns:360px 1fr;gap:28px;align-items:start}
@media(max-width:860px){.calc{grid-template-columns:1fr}}
.calc form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.calc label{display:block;font-weight:700;font-size:14px;margin:12px 0 4px}
.calc input,.calc select{width:100%;padding:10px 12px;border:1px solid #C5D0D3;border-radius:8px;font-size:16px;background:#fff}
.calc .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.calc>*,.calc .row>*{min-width:0}
.calc input,.calc select{max-width:100%;min-width:0}
.results{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}
.kpi{background:var(--soft);border-radius:10px;padding:12px 14px}
.kpi b{display:block;font-size:13px;color:var(--muted)}
.kpi{min-width:0}
.kpi span{font-size:clamp(17px,4.6vw,24px);font-weight:800;color:var(--teal);overflow-wrap:anywhere}
@media(max-width:480px){.results,.calc form{padding:14px}.kpis{gap:8px}}
.sched{width:100%;border-collapse:collapse;font-size:14px}
.sched th,.sched td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:right}
.sched th:first-child,.sched td:first-child{text-align:left}
.sched tr.cur td{background:#FFF8E1;font-weight:700}
.err{color:#B00020;font-size:14px;min-height:1em}
.guides{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(max-width:700px){.guides{grid-template-columns:1fr}}
.guides a{text-decoration:none;color:inherit}
.guides .card:hover{border-color:var(--teal)}