:root{
  --accent:#00b386;
  --accent-d:color-mix(in srgb,var(--accent) 80%,#000);
  --accent-soft:color-mix(in srgb,var(--accent) 10%,var(--bg));
  --bg:#f6f8fb;--surface:#fff;--ink:#0f1a2b;--muted:#5b6b82;--line:#e3e9f1;--shadow:0 1px 2px rgba(15,26,43,.05),0 8px 24px rgba(15,26,43,.06);
  --radius:14px;--font:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
:root[data-theme=dark]{--bg:#0b1220;--surface:#121b2d;--ink:#e8eef8;--muted:#9bacc4;--line:#22304a;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);--accent-soft:color-mix(in srgb,var(--accent) 14%,var(--bg))}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0b1220;--surface:#121b2d;--ink:#e8eef8;--muted:#9bacc4;--line:#22304a;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);--accent-soft:color-mix(in srgb,var(--accent) 14%,var(--bg))}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 var(--font);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--accent-d);text-decoration:none}a:hover{text-decoration:underline}
:root[data-theme=dark] a{color:color-mix(in srgb,var(--accent) 75%,#fff)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;letter-spacing:-.015em}
h1{font-size:clamp(1.8rem,3.4vw,2.6rem)}h2{font-size:clamp(1.35rem,2.2vw,1.75rem)}h3{font-size:1.1rem}
p{margin:0 0 1em}
.wrap{max-width:1180px;margin:0 auto;padding:0 18px}
.narrow{max-width:800px}.center{text-align:center}
.section{padding-top:28px;padding-bottom:28px}
.muted{color:var(--muted)}.small{font-size:.85rem}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:99}
.ic{vertical-align:-.2em;flex:none}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;gap:18px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink)!important;font-weight:800;font-size:1.08rem;text-decoration:none!important}
.logo-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff}
.nav{display:flex;gap:4px;flex:1}
.nav a{padding:8px 12px;border-radius:9px;color:var(--ink);font-weight:600;font-size:.95rem;text-decoration:none}
.nav a:hover,.nav a.on{background:var(--accent-soft);color:var(--accent-d);text-decoration:none}
.tools{display:flex;align-items:center;gap:8px}
.hsearch{position:relative}
.hsearch input{width:190px;padding:8px 36px 8px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink);font:inherit;font-size:.9rem}
.hsearch button{position:absolute;right:2px;top:2px;border:0;background:none;color:var(--muted);padding:6px;cursor:pointer}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{border:0;background:var(--surface);color:var(--muted);padding:7px 11px;font:600 .82rem var(--font);cursor:pointer}
.seg button.on{background:var(--accent);color:#fff}
.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:10px;width:38px;height:38px;display:grid;place-items:center;cursor:pointer}
.menu-btn{display:none}

/* buttons / forms */
.btn{display:inline-flex;align-items:center;gap:8px;border:0;background:var(--accent);color:#fff!important;padding:11px 20px;border-radius:11px;font:700 .95rem var(--font);cursor:pointer;text-decoration:none!important;transition:filter .15s,transform .05s}
.btn:hover{filter:brightness(1.07)}.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--ink)!important;border:1px solid var(--line)}
.btn.ghost:hover{background:var(--accent-soft)}
.btn.sm{padding:7px 12px;font-size:.84rem;border-radius:9px}
input,select,textarea{font:inherit;color:var(--ink)}
.form label{display:block;font-weight:600;font-size:.92rem;margin-bottom:14px}
.form input,.form textarea,.form select{display:block;width:100%;margin-top:6px;padding:11px 13px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}
.form input:focus,.form textarea:focus,input:focus,select:focus{outline:2px solid color-mix(in srgb,var(--accent) 55%,transparent);outline-offset:1px}
.notice{padding:12px 16px;border-radius:10px;margin:14px 0;background:var(--accent-soft);border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line))}
.notice.err{background:#fde8e8;border-color:#f3b4b4;color:#8a1c1c}

/* hero */
.hero{padding:54px 0 22px;background:radial-gradient(900px 300px at 80% -10%,color-mix(in srgb,var(--accent) 22%,transparent),transparent),linear-gradient(180deg,var(--accent-soft),var(--bg))}
.eyebrow{display:inline-flex;gap:6px;align-items:center;font-weight:700;font-size:.85rem;color:var(--accent-d);background:var(--surface);border:1px solid var(--line);padding:5px 12px;border-radius:99px}
.hero h1{font-size:clamp(2rem,5vw,3.3rem);max-width:760px;margin-top:14px}
.lead{font-size:1.1rem;color:var(--muted);max-width:760px}
.hero-search{display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:8px 8px 8px 16px;max-width:640px;box-shadow:var(--shadow);margin:20px 0 14px}
.hero-search input{flex:1;border:0;background:none;font-size:1rem;padding:8px;min-width:0}.hero-search input:focus{outline:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.chip{padding:6px 14px;border-radius:99px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font-weight:600;font-size:.86rem;text-decoration:none!important}
.chip small{color:var(--muted);margin-left:4px}.chip:hover,.chip.on{background:var(--accent);color:#fff;border-color:var(--accent)}.chip.on small,.chip:hover small{color:#fff}

/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}
.card.plain{box-shadow:none}
.calc-card{display:flex;flex-direction:column;color:var(--ink)!important;text-decoration:none!important;transition:transform .15s,box-shadow .15s,border-color .15s}
.calc-card:hover{transform:translateY(-3px);border-color:var(--accent)}
.calc-card h3{margin:12px 0 6px}.calc-card p{color:var(--muted);font-size:.92rem;flex:1}
.calc-card .go{color:var(--accent-d);font-weight:700;font-size:.9rem}
.ci{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;background:var(--accent-soft);color:var(--accent-d)}
.sec-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px;gap:12px}
.post-card{padding:0;overflow:hidden;color:var(--ink)!important;text-decoration:none!important;display:flex;flex-direction:column}
.post-card img,.post-card .ph{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--accent-soft);display:grid;place-items:center;color:var(--accent-d)}
.pc-body{padding:16px 18px 18px}.pc-body h3{margin:6px 0}.pc-body p{color:var(--muted);font-size:.92rem}
.tag{display:inline-block;font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--accent-d);background:var(--accent-soft);padding:3px 9px;border-radius:99px}
.crumbs{font-size:.85rem;color:var(--muted);margin-bottom:10px}
.filterbar{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:14px 0}
.filterbar input[type=search],.filterbar select{padding:10px 14px;border:1px solid var(--line);border-radius:10px;background:var(--surface);min-width:240px}
.pager{display:flex;gap:6px;margin:24px 0}.pager a{padding:8px 14px;border:1px solid var(--line);border-radius:9px;background:var(--surface)}.pager a.on{background:var(--accent);color:#fff;border-color:var(--accent)}

/* calculator */
.calc-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
.calc{padding:0;overflow:hidden}
.calc-grid{display:grid;grid-template-columns:1.05fr 1fr}
.inputs{padding:22px;display:grid;gap:14px;align-content:start}
.fld label{display:flex;justify-content:space-between;gap:8px;font-weight:600;font-size:.9rem;margin-bottom:5px}
.fld .help{font-weight:400;color:var(--muted);font-size:.78rem;margin-top:4px}
.fld .inp{display:flex;align-items:stretch;border:1px solid var(--line);border-radius:10px;background:var(--bg);overflow:hidden}
.fld .inp:focus-within{outline:2px solid color-mix(in srgb,var(--accent) 55%,transparent)}
.fld input[type=number],.fld select{flex:1;min-width:0;border:0;background:none;padding:10px 12px;font-size:1rem}
.fld select{width:100%;padding:10px 12px}.fld input:focus,.fld select:focus{outline:0}
.fld .unit{padding:0 12px;display:grid;place-items:center;font-size:.8rem;font-weight:600;color:var(--muted);background:color-mix(in srgb,var(--line) 45%,transparent);white-space:nowrap}
.results{padding:22px;background:linear-gradient(180deg,var(--accent-soft),transparent);border-left:1px solid var(--line);position:sticky;top:64px;align-self:start;max-height:calc(100vh - 64px);overflow:auto}
.res{padding:11px 0;border-bottom:1px dashed var(--line);display:flex;justify-content:space-between;gap:12px;align-items:baseline}
.res:last-of-type{border-bottom:0}
.res .l{color:var(--muted);font-size:.9rem}.res .v{font-weight:800;font-size:1.05rem;text-align:right}
.res.hl{background:var(--surface);border:1px solid color-mix(in srgb,var(--accent) 40%,var(--line));border-radius:12px;padding:14px;margin:8px 0}
.res.hl .v{color:var(--accent-d);font-size:1.5rem}
:root[data-theme=dark] .res.hl .v{color:color-mix(in srgb,var(--accent) 75%,#fff)}
.res .info{cursor:help;color:var(--muted);margin-left:4px;font-size:.78rem}
.calc-actions{display:flex;flex-wrap:wrap;gap:8px;padding:14px 22px;border-top:1px solid var(--line);background:var(--surface)}
.chart{margin-top:16px}.chart h4{font-size:.85rem;color:var(--muted);margin-bottom:8px}
.bar-row{display:grid;grid-template-columns:140px 1fr auto;gap:8px;align-items:center;margin:6px 0;font-size:.82rem}
.bar-row .tr{background:var(--line);border-radius:6px;height:14px;overflow:hidden}.bar-row .fill{height:100%;background:var(--accent);border-radius:6px;transition:width .35s}
.bar-row:nth-child(3n+3) .fill{background:#3b82f6}.bar-row:nth-child(3n+4) .fill{background:#f59e0b}.bar-row:nth-child(3n+5) .fill{background:#8b5cf6}
.calc-side{display:grid;gap:16px;position:sticky;top:84px}
.side-list ul{list-style:none;margin:0;padding:0}.side-list li{padding:9px 0;border-bottom:1px solid var(--line)}.side-list li:last-child{border:0}.side-list a{color:var(--ink)}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700}.faq details div{margin-top:10px;color:var(--muted)}
.prose{font-size:1.04rem}.prose h2{margin-top:1.6em}.prose h3{margin-top:1.3em}.prose img{border-radius:10px}
.prose ul,.prose ol{padding-left:1.3em}.prose li{margin-bottom:.4em}
.prose table{border-collapse:collapse;width:100%;margin:1em 0}.prose td,.prose th{border:1px solid var(--line);padding:8px 10px}
.prose blockquote{border-left:4px solid var(--accent);margin:1.2em 0;padding:.2em 1em;color:var(--muted)}
.hero-img{width:100%;border-radius:var(--radius);margin:6px 0 18px}
.share{display:flex;gap:14px;align-items:center;margin-top:24px;flex-wrap:wrap}
.meta{margin-bottom:14px}

/* ads / affiliates */
.ad{margin:18px auto;text-align:center;min-height:50px;overflow:hidden}
.ad-label,.aff-label{display:block;font-size:.66rem;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;margin-bottom:4px}
.aff{margin:16px 0;text-align:center}.aff img{border-radius:12px;border:1px solid var(--line)}
.aff-text{display:block;text-align:left;border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:14px 16px;color:var(--ink)!important;text-decoration:none!important}
.aff-text span{display:block;color:var(--muted);font-size:.9rem;margin:4px 0}.aff-text em{color:var(--accent-d);font-style:normal;font-weight:700}
.aff-note{margin-top:20px}

/* tables */
.table-wrap+p{margin-top:12px}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.tbl{width:100%;border-collapse:collapse;min-width:760px}
.tbl th,.tbl td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:.92rem;white-space:nowrap}
.tbl th{font-size:.78rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);cursor:pointer;background:var(--bg)}
.tbl tr:last-child td{border:0}.tbl td:nth-child(2){white-space:normal;font-weight:600}
.compare-ctl{display:flex;gap:22px;flex-wrap:wrap;margin:16px 0}.compare-ctl label{font-weight:600;font-size:.9rem}
.compare-ctl input,.compare-ctl select{padding:8px 10px;margin:0 6px;border:1px solid var(--line);border-radius:8px;background:var(--bg);width:110px}
.compare-ctl select{width:auto}
.cmp-panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin:18px 0}
.cmp-panel .card h3{margin-bottom:10px}.cmp-panel dl{margin:0}.cmp-panel dt{color:var(--muted);font-size:.8rem;margin-top:8px}.cmp-panel dd{margin:0;font-weight:700}
.cmp-panel dd.best{color:var(--accent-d)}
.inc-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:18px 0}
.inc-top{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:8px}
.inc .amount{font-weight:800;color:var(--accent-d);font-size:1.15rem;margin-bottom:6px}

/* footer */
.site-footer{margin-top:40px;background:var(--surface);border-top:1px solid var(--line);padding-top:36px}
.fgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:28px}
.fgrid h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.fgrid ul{list-style:none;margin:0;padding:0}.fgrid li{margin:6px 0}.fgrid li a{color:var(--ink)}
.subscribe{display:flex;flex-wrap:wrap;gap:8px}.subscribe input[type=email]{flex:1;min-width:150px;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg)}
.sub-msg{width:100%;margin:0;min-height:1.2em;color:var(--accent-d)}
.fbottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:22px;padding-bottom:26px;margin-top:24px;border-top:1px solid var(--line)}
.consent{position:fixed;left:12px;right:12px;bottom:12px;z-index:90;max-width:760px;margin:auto;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:14px 18px;display:flex;gap:16px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.consent p{margin:0;font-size:.9rem}.consent[hidden]{display:none}

@media (max-width:1020px){
  .calc-layout{grid-template-columns:1fr}.calc-side{position:static;grid-template-columns:1fr 1fr}
  .grid3,.trio{grid-template-columns:repeat(2,1fr)}.fgrid{grid-template-columns:1fr 1fr}
  .hsearch{display:none}
}
@media (max-width:760px){
  .menu-btn{display:grid}
  .nav{position:absolute;left:0;right:0;top:64px;background:var(--surface);border-bottom:1px solid var(--line);flex-direction:column;padding:10px 18px;display:none}
  .nav.open{display:flex}.bar{position:relative}.tools{margin-left:auto}
  .calc-grid{grid-template-columns:1fr}.results{border-left:0;border-top:1px solid var(--line);position:static;max-height:none}
  .grid3,.trio,.inc-list,.calc-side,.fgrid{grid-template-columns:1fr}
  .logo-text{font-size:1rem}
}
@media print{.site-header,.site-footer,.calc-side,.ad,.aff,.calc-actions,.consent,.faq,.filterbar{display:none!important}body{background:#fff}.card{box-shadow:none}}