:root{
  --bg:#f5f7fb;--surface:#fff;--surface-2:#eef1f7;--text:#121621;--muted:#586176;--border:#e1e5ee;
  --brand:#3b4ef0;--brand-2:#0fb5a6;--brand-soft:#eaedff;--warn:#f2a20c;--violet:#9b7cf6;
  --radius:18px;--shadow:0 12px 32px rgba(18,22,33,.07)
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0d1016;--surface:#151a23;--surface-2:#1c222d;--text:#e8ebf2;--muted:#9aa3b6;--border:#29303d;
  --brand:#7186ff;--brand-2:#2fd3c3;--brand-soft:#1c2346;--shadow:none}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--brand)}
img{max-width:100%}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}
.skip:focus{left:16px;top:8px;background:var(--surface);padding:8px 12px;border-radius:8px;z-index:50}

/* header */
header.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 86%,transparent);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--border)}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none}
.logo svg{width:36px;height:36px;flex:none}
.logo b{font-weight:800;letter-spacing:-.02em;font-size:18px;line-height:1}
.logo small{display:block;color:var(--muted);font-size:11.5px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-top:3px}
nav.menu{display:flex;align-items:center;gap:18px}
nav.menu a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500}
nav.menu a:hover{color:var(--text)}
.lang{display:flex;border:1px solid var(--border);border-radius:999px;overflow:hidden;font-size:13px;font-weight:700}
.lang a,.lang span{padding:5px 11px;text-decoration:none;color:var(--muted)}
.lang span{background:var(--text);color:var(--bg)}
@media (max-width:820px){nav.menu a.hide-m{display:none}}

/* hero */
.hero{padding:52px 0 18px;text-align:center}
.hero h1{font-size:clamp(30px,5.4vw,50px);line-height:1.1;margin:0 0 14px;letter-spacing:-.035em}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:var(--muted);max-width:680px;margin:0 auto;font-size:18px}
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:13px;padding:6px 13px;border-radius:999px;margin-bottom:18px}
.crumbs{font-size:13px;color:var(--muted);margin:18px 0 0}
.crumbs a{color:var(--muted)}

/* quick answer (AEO) */
.answer{max-width:820px;margin:22px auto 0;background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--brand-2);border-radius:14px;padding:16px 20px;text-align:left;font-size:16px}
.answer strong{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:4px}

/* calculator */
.calc{display:grid;grid-template-columns:1fr 1.05fr;gap:20px;margin:30px 0 56px;align-items:start}
@media (max-width:880px){.calc{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.seg{display:flex;background:var(--surface-2);border-radius:12px;padding:4px;gap:4px;margin-bottom:12px}
.seg button{flex:1;border:0;background:transparent;color:var(--muted);font:inherit;font-weight:650;padding:10px 8px;border-radius:9px;cursor:pointer;font-size:14px}
.seg button.on{background:var(--surface);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.09)}
label{display:block;font-size:13.5px;font-weight:650;margin:14px 0 6px}
select{width:100%;font:inherit;font-size:15px;padding:11px 12px;border:1.5px solid var(--border);border-radius:11px;background:var(--surface);color:var(--text)}
.field{position:relative}
.field input{width:100%;font:inherit;font-size:30px;font-weight:800;letter-spacing:-.02em;padding:14px 76px 14px 16px;border:1.5px solid var(--border);border-radius:13px;background:var(--surface);color:var(--text);outline:none}
.field input:focus,select:focus{border-color:var(--brand);outline:none}
.field .cur{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--muted);font-weight:700}
#opts{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}
#opts .opt:first-child:nth-last-child(odd){grid-column:1/-1}
.hidden{display:none!important}
.result .t{font-size:14px;color:var(--muted);font-weight:650}
.result .a{font-size:clamp(34px,6vw,48px);font-weight:850;letter-spacing:-.035em;margin:2px 0 4px;line-height:1.15}
.result .s{color:var(--muted);font-size:14px}
.bar{display:flex;height:14px;border-radius:999px;overflow:hidden;margin:18px 0 10px;background:var(--surface-2)}
.bar div{height:100%;transition:width .35s}
.legend{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--muted)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:middle}
table.bd{width:100%;border-collapse:collapse;margin-top:16px;font-size:15px}
table.bd td{padding:8px 0;border-bottom:1px solid var(--border)}
table.bd td:last-child{text-align:right;font-variant-numeric:tabular-nums;font-weight:650;white-space:nowrap;padding-left:10px}
table.bd tr.sub td{font-size:13.5px;color:var(--muted);font-weight:500}
table.bd tr.sub td:first-child{padding-left:14px}
table.bd tr.muted td{font-style:italic}
table.bd tr.total td{font-weight:800;font-size:16px}
table.bd tr.strong td{font-weight:750}
.btn{display:inline-flex;align-items:center;gap:8px;border:1.5px solid var(--border);background:var(--surface);color:var(--text);font:inherit;font-size:14px;font-weight:650;padding:9px 14px;border-radius:10px;cursor:pointer;margin-top:16px;text-decoration:none}
.btn:hover{border-color:var(--brand)}
.hint{font-size:13px;color:var(--muted);margin:14px 0 0}

/* content */
section.block{padding:6px 0 30px}
section.block h2{font-size:clamp(25px,3.6vw,33px);letter-spacing:-.025em;margin:36px 0 12px;line-height:1.2}
section.block h3{font-size:19px;margin:26px 0 8px;letter-spacing:-.01em}
.prose{max-width:780px}
.prose li{margin-bottom:6px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.cty{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:14px 16px;text-decoration:none;color:var(--text);font-weight:650;transition:transform .15s,border-color .15s}
.cty:hover{border-color:var(--brand);transform:translateY(-2px)}
.cty span.code{width:38px;height:28px;border-radius:7px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:12px;font-weight:800;flex:none}
.cty small{display:block;color:var(--muted);font-weight:500;font-size:12.5px}
.cty.feat{border-color:var(--brand);background:linear-gradient(135deg,var(--brand-soft),var(--surface))}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;counter-reset:s}
@media (max-width:760px){.steps{grid-template-columns:1fr}}
.steps div{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px}
.steps div::before{counter-increment:s;content:counter(s);display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;font-weight:800;margin-bottom:10px}
.steps b{display:block;margin-bottom:4px}
.tablewrap{overflow-x:auto;border-radius:12px;border:1px solid var(--border)}
table.rt{width:100%;border-collapse:collapse;font-size:15px;background:var(--surface)}
table.rt th,table.rt td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--border)}
table.rt th{background:var(--surface-2);font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
table.rt td.n,table.rt th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
table.rt tr:last-child td{border-bottom:0}
.note{background:var(--brand-soft);border-radius:14px;padding:16px 20px;font-size:15px}
.spot{display:grid;grid-template-columns:1.2fr 1fr;gap:20px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
@media (max-width:760px){.spot{grid-template-columns:1fr}}
.spot .kpis{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.spot .kpi{background:var(--surface-2);border-radius:12px;padding:14px}
.spot .kpi b{display:block;font-size:22px;letter-spacing:-.02em}
.spot .kpi span{font-size:13px;color:var(--muted)}
details{background:var(--surface);border:1px solid var(--border);border-radius:13px;padding:2px 18px;margin-bottom:10px}
details summary{cursor:pointer;font-weight:650;padding:13px 0;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"+";float:right;color:var(--muted);font-weight:400;font-size:20px;line-height:1}
details[open] summary::after{content:"-"}
details p{margin-top:0}
.src li{word-break:break-word}
.contact{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
@media (max-width:760px){.contact{grid-template-columns:1fr}}
.contact div{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px}
.contact span{display:block;font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:700}
.contact a,.contact b{font-size:17px;font-weight:700;text-decoration:none;color:var(--text)}

footer{border-top:1px solid var(--border);padding:34px 0 44px;color:var(--muted);font-size:14px;margin-top:40px}
footer .cols{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:24px}
@media (max-width:760px){footer .cols{grid-template-columns:1fr}}
footer h4{color:var(--text);margin:0 0 8px;font-size:14px}
footer a{color:var(--muted);text-decoration:none;display:block;margin-bottom:4px}
footer a:hover{color:var(--text)}
footer .copy{margin-top:22px;font-size:13px}

.legal{max-width:780px;padding:36px 0}
.legal h1{font-size:36px;letter-spacing:-.03em;margin:0 0 6px}
.legal h2{font-size:21px;margin:30px 0 8px}
.legal .upd{color:var(--muted);font-size:14px}

/* brand + country menu */
.logo b i{font-style:normal;background:linear-gradient(90deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.logo small{text-transform:none;letter-spacing:.02em}
.cmenu{position:relative}
.cmenu summary{list-style:none;cursor:pointer;font-size:13px;font-weight:700;border:1px solid var(--border);border-radius:999px;padding:5px 12px;color:var(--muted);background:var(--surface)}
.cmenu summary::-webkit-details-marker{display:none}
.cmenu summary::after{content:"";display:inline-block;margin-left:7px;border:4px solid transparent;border-top-color:currentColor;transform:translateY(2px)}
.cmenu[open] summary{color:var(--text);border-color:var(--brand)}
.cmenu>div{position:absolute;right:0;top:calc(100% + 8px);background:var(--surface);border:1px solid var(--border);border-radius:14px;box-shadow:0 18px 40px rgba(0,0,0,.14);padding:8px;display:grid;grid-template-columns:1fr 1fr;gap:2px;width:min(440px,calc(100vw - 32px));z-index:40}
.cmenu>div a{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:9px;color:var(--text);text-decoration:none;font-size:14px;font-weight:550}
.cmenu>div a:hover{background:var(--surface-2)}
.cmenu .code{width:30px;height:22px;border-radius:6px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:11px;font-weight:800;flex:none}
@media (max-width:520px){.cmenu>div{grid-template-columns:1fr;right:-8px}}
nav.menu{gap:14px}
@media (max-width:820px){nav.menu a.hide-m{display:none}}
@media (max-width:440px){.logo small{display:none}.logo b{font-size:16px}.logo svg{width:32px;height:32px}nav.menu{gap:8px}.cmenu summary,.lang a,.lang span{padding:5px 9px}}
.cmenu summary{display:flex;align-items:center;gap:6px}
.cmenu summary svg{flex:none}
@media (max-width:440px){.cmenu summary span{display:none}}
details.cmenu{background:none;border:0;padding:0;margin:0}
details.cmenu summary{padding:5px 12px}
details.cmenu summary::after,details.cmenu[open] summary::after{content:"";float:none;font-size:0;line-height:0;margin-left:2px;border:4px solid transparent;border-top-color:currentColor;transform:translateY(2px)}
@media (max-width:440px){details.cmenu summary{padding:5px 9px}}
.answer ul.links{list-style:none;padding:0;margin:10px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:4px 16px}
.answer ul.links li{font-size:14.5px}
.answer ul.links a{font-weight:650}
.answer ul.links span{color:var(--muted);font-size:13px}
#popular details[open] summary::after{content:""}
#popular details summary{cursor:default}
.answer ul.links{gap:8px 16px}
.answer ul.links span{display:block;line-height:1.35}