@font-face{font-family:"Barlow";font-weight:400;font-style:normal;font-display:swap;src:url(barlow-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow";font-weight:500;font-style:normal;font-display:swap;src:url(barlow-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow";font-weight:600;font-style:normal;font-display:swap;src:url(barlow-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow Condensed";font-weight:600;font-style:normal;font-display:swap;src:url(barlow-condensed-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Barlow Condensed";font-weight:700;font-style:normal;font-display:swap;src:url(barlow-condensed-latin-700-normal.woff2) format("woff2")}

:root{
  --asphalt:#1F2A33;
  --ink-soft:#4A5862;
  --paper:#F4F6F5;
  --panel:#FFFFFF;
  --line:#C8D0CE;
  --eu:#123C8C;
  --signal:#FFC928;
  --signal-ink:#1F2A33;
  --gain:#1C7A4A;
  --bar:#B7C2C0;
  --bar-best:#123C8C;
  --plate:#FFFFFF;
  --plate-ink:#1F2A33;
  --focus:#123C8C;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --asphalt:#E6EBEA;
    --ink-soft:#A9B6B4;
    --paper:#172028;
    --panel:#1F2A33;
    --line:#3A4953;
    --eu:#8FB0F0;
    --gain:#5FC48F;
    --bar:#4A5A64;
    --bar-best:#8FB0F0;
    --focus:#FFC928;
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --asphalt:#E6EBEA;--ink-soft:#A9B6B4;--paper:#172028;--panel:#1F2A33;--line:#3A4953;
  --eu:#8FB0F0;--gain:#5FC48F;--bar:#4A5A64;--bar-best:#8FB0F0;--focus:#FFC928;color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--asphalt);font-family:"Barlow",system-ui,sans-serif;font-size:1.0625rem;line-height:1.55}
a{color:var(--eu);text-underline-offset:.15em}
a:focus-visible,input:focus-visible+span,summary:focus-visible,.cta:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--panel);padding:.5rem 1rem;z-index:10}
.skip:focus{left:1rem}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}

/* header */
.site-head{padding:14px 0 0}
.brand{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--asphalt)}
.brand-name{font-family:"Barlow Condensed",sans-serif;font-weight:600;font-size:1.15rem;letter-spacing:.01em}
.mini-plate{display:inline-flex;align-items:stretch;height:24px;border:2px solid var(--plate-ink);border-radius:4px;background:var(--plate);overflow:hidden}
.mini-plate .band{background:#123C8C;color:#fff;font:600 .5rem/1 "Barlow",sans-serif;padding:0 3px;display:flex;align-items:flex-end;padding-bottom:3px}
.mini-plate .txt{color:var(--plate-ink);font:700 .9rem/20px "Barlow Condensed",sans-serif;padding:0 6px;letter-spacing:.04em}

/* hero */
.hero{padding-top:28px;padding-bottom:8px}
h1{font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:clamp(2.25rem,6.4vw,3.75rem);line-height:1.02;letter-spacing:-.005em;margin:0 0 .5rem;max-width:16ch}
.lead{font-size:1.15rem;color:var(--ink-soft);max-width:58ch;margin:0}
h2{font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:clamp(1.6rem,3.6vw,2.1rem);line-height:1.1;margin:0 0 .8rem}

/* calculator layout */
.calc{display:grid;gap:20px;padding-top:20px;padding-bottom:12px}
@media (min-width:880px){
  .calc{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:start;gap:32px}
  .result{position:sticky;top:16px}
}
.calc-form{display:grid;gap:18px}
.q{border:0;margin:0;padding:0;min-width:0}
.q legend{font-weight:600;font-size:1.05rem;padding:0;margin-bottom:.5rem;display:flex;gap:.55rem;align-items:baseline}
.q-n{font-family:"Barlow Condensed",sans-serif;font-weight:700;color:var(--ink-soft);min-width:1ch}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{position:relative}
.chips input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.chips span{display:inline-flex;align-items:center;min-height:44px;padding:.45rem .95rem;border:1.5px solid var(--line);border-radius:999px;background:var(--panel);font-weight:500;font-variant-numeric:tabular-nums;cursor:pointer;user-select:none;transition:background .12s,border-color .12s}
.chips label:hover span{border-color:var(--asphalt)}
.chips input:checked+span{background:var(--asphalt);border-color:var(--asphalt);color:var(--paper)}
.exact{display:flex;align-items:center;gap:.6rem;margin-top:.6rem;flex-wrap:wrap;color:var(--ink-soft);font-size:.95rem}
.exact-field{display:inline-flex;align-items:center;border:1.5px solid var(--line);border-radius:8px;background:var(--panel);padding:0 .7rem}
.exact-field input{border:0;background:transparent;color:var(--asphalt);font:500 1.05rem "Barlow",sans-serif;width:8.5rem;min-height:42px;outline:none;font-variant-numeric:tabular-nums}
.exact-field:focus-within{outline:3px solid var(--focus);outline-offset:2px}
.unit{color:var(--ink-soft)}
.hint{margin:.5rem 0 0;color:var(--ink-soft);font-size:.92rem}

/* result */
.result{background:var(--panel);border:1.5px solid var(--line);border-radius:14px;padding:20px 18px}
.empty-title{font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:1.5rem;margin:0 0 .2rem}
.empty p{margin:0}
.empty p+p{color:var(--ink-soft)}
.res-label{margin:0 0 .5rem;font-weight:600}

/* the plate: one memorable element */
.plate{display:flex;align-items:stretch;background:var(--plate);border:3px solid var(--plate-ink);border-radius:8px;overflow:hidden;box-shadow:inset 0 0 0 2px var(--plate),inset 0 0 0 3.5px rgba(31,42,51,.35);max-width:440px}
.plate .band{flex:0 0 auto;width:38px;background:#123C8C;color:#fff;display:flex;align-items:flex-end;justify-content:center;font:600 .78rem/1 "Barlow",sans-serif;padding-bottom:8px;position:relative}
.plate .band::before{content:"";position:absolute;top:9px;left:50%;width:18px;height:18px;margin-left:-9px;border-radius:50%;border:2px dotted #FFC928}
.plate-num{flex:1;color:var(--plate-ink);font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:clamp(1.9rem,7.2vw,2.6rem);line-height:1;padding:14px 14px 12px;letter-spacing:.015em;font-variant-numeric:tabular-nums;white-space:nowrap;text-align:center}
.gain{margin:.65rem 0 0;font-weight:600;color:var(--gain)}
.gain.neutral{color:var(--ink-soft)}

.cta{display:flex;justify-content:center;align-items:center;min-height:54px;margin-top:16px;padding:.7rem 1.2rem;background:var(--signal);color:var(--signal-ink);border-radius:10px;font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:1.35rem;letter-spacing:.01em;text-decoration:none;border:2px solid #E0A800}
.cta:hover{background:#FFD54F}
.cta:active{transform:translateY(1px)}
.cta-note{font-size:.88rem;color:var(--ink-soft);margin:.55rem 0 0}
.ad-mark{display:inline-block;font-weight:600;color:var(--asphalt);border:1px solid var(--line);border-radius:4px;padding:0 .35rem;margin-right:.3rem;font-size:.8rem}

.verdict{margin:1.1rem 0 .7rem;padding-top:1rem;border-top:1.5px solid var(--line)}

.bars{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.bars li{display:grid;gap:3px}
.bar-head{display:flex;justify-content:space-between;gap:10px;font-size:.95rem}
.bar-head b{font-weight:600}
.bar-val{font-variant-numeric:tabular-nums;font-weight:600;white-space:nowrap}
.bar-track{height:12px;background:color-mix(in srgb,var(--line) 45%,transparent);border-radius:3px;overflow:hidden}
.bar-fill{display:block;height:100%;background:var(--bar);border-radius:3px;transition:width .35s ease}
.bars li.best .bar-fill{background:var(--bar-best)}
.bar-sub{font-size:.82rem;color:var(--ink-soft)}

.calc-detail{margin-top:14px}
.calc-detail summary{cursor:pointer;font-weight:600;color:var(--eu)}
table.mini{width:100%;border-collapse:collapse;margin-top:.6rem;font-size:.86rem;font-variant-numeric:tabular-nums}
table.mini th,table.mini td{padding:.35rem .25rem;border-bottom:1px solid var(--line);text-align:right}
table.mini th:first-child,table.mini td:first-child{text-align:left}
.fine{font-size:.86rem;color:var(--ink-soft)}

/* content blocks */
.block{padding-top:36px;padding-bottom:4px}
.block p{max-width:68ch}
.table-wrap{overflow-x:auto;margin:0 -16px;padding:0 16px}
table.ways{border-collapse:collapse;min-width:620px;width:100%;background:var(--panel);border:1.5px solid var(--line);border-radius:10px;overflow:hidden}
table.ways th,table.ways td{padding:.7rem .8rem;text-align:left;vertical-align:top;border-bottom:1px solid var(--line);font-size:.97rem}
table.ways thead th{font-weight:600;color:var(--ink-soft);font-size:.9rem}
table.ways tbody th{font-weight:600}
table.ways tbody tr:last-child>*{border-bottom:0}
.steps{padding-left:1.4rem;max-width:68ch;margin:0}
.steps li{margin-bottom:.7rem;padding-left:.2rem}
.steps li::marker{font-family:"Barlow Condensed",sans-serif;font-weight:700}
.faq{max-width:72ch;border-top:1.5px solid var(--line)}
.faq details{border-bottom:1.5px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;padding:.85rem 0;list-style-position:outside}
.faq details p{margin:0 0 1rem}
.assume{max-width:72ch;padding-left:1.1rem;margin:0}
.assume li{margin-bottom:.5rem}

.site-foot{margin-top:48px;padding:24px 0 40px;border-top:1.5px solid var(--line);font-size:.9rem;color:var(--ink-soft)}
.site-foot p{max-width:72ch;margin:0 0 .5rem}

.page{padding-top:28px}
.page h1{font-size:clamp(2rem,5vw,2.8rem)}
.page h2{margin-top:1.8rem}
.page p,.page li{max-width:68ch}

/* mobile teaser bar: visible while the result is still below the viewport */
.peek{position:fixed;left:0;right:0;bottom:0;z-index:5;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;column-gap:12px;align-items:center;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#1F2A33;color:#fff;text-decoration:none;box-shadow:0 -2px 10px rgba(31,42,51,.25)}
.peek[hidden]{display:none}
.peek-l{grid-column:1;font-size:.8rem;opacity:.85}
.peek-num{grid-column:1;font-family:"Barlow Condensed",sans-serif;font-weight:700;font-size:1.45rem;line-height:1.05;font-variant-numeric:tabular-nums}
.peek-go{grid-column:2;grid-row:1/3;background:#FFC928;color:#1F2A33;font-weight:600;border-radius:8px;padding:.55rem .85rem}
@media (min-width:880px){.peek{display:none!important}}

@media (prefers-reduced-motion:reduce){*{transition:none!important}html{scroll-behavior:auto}}
html{scroll-behavior:smooth}