:root{
  --paper:#ffffff; --ink:#000000; --muted:#555555; --line:#d8d8d8;
  --blue:#1b3dcf; --blue-ink:#ffffff; --rim:#e8541a; --field:#f3f3f3;
  --logo-filter:none;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#000000; --ink:#ffffff; --muted:#a9a9a9; --line:#2f2f2f;
    --blue:#7891ff; --blue-ink:#000000; --rim:#ff7a3d; --field:#141414;
    --logo-filter:invert(1);
  }
}
:root[data-theme="dark"]{
  --paper:#000000; --ink:#ffffff; --muted:#a9a9a9; --line:#2f2f2f;
  --blue:#7891ff; --blue-ink:#000000; --rim:#ff7a3d; --field:#141414;
  --logo-filter:invert(1);
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 72px);scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Archivo",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:1.0625rem;line-height:1.55;font-stretch:100%;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
picture{flex-shrink:0}
a{color:inherit}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px}

.display{font-stretch:125%;font-weight:900;line-height:.92;letter-spacing:-.01em;margin:0}
.wrap{max-width:1120px;margin:0 auto;padding:0 clamp(20px,4vw,40px)}
.num{font-variant-numeric:tabular-nums}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:var(--paper);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-stretch:115%;font-size:1.05rem}
.brand img{width:34px;height:34px;filter:var(--logo-filter)}
.nav ul{display:flex;gap:22px;list-style:none;margin:0;padding:0;font-size:.95rem}
.nav ul a{text-decoration:none;color:var(--muted)}
.nav ul a:hover{color:var(--ink)}
@media (max-width:720px){.nav ul{display:none}}

/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,4vw,56px);align-items:center;min-height:min(86vh,780px);padding-top:40px;padding-bottom:40px;padding-right:clamp(84px,9vw,120px)}
.hero h1{font-size:clamp(3rem,8.4vw,6.6rem)}
.hero h1 span{display:block}
.hero .sub{font-size:clamp(1.15rem,1.9vw,1.4rem);font-stretch:110%;font-weight:600;max-width:24ch;margin:22px 0 30px;line-height:1.3}
.hero .art img{width:100%;max-width:470px;margin-left:auto;filter:var(--logo-filter)}
.follow{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:999px;font:inherit;font-weight:700;font-size:.98rem;text-decoration:none;cursor:pointer;border:2px solid var(--ink);background:transparent;color:var(--ink)}
.btn.primary{background:var(--blue);border-color:var(--blue);color:var(--blue-ink)}
.btn:hover{transform:translateY(-1px)}

/* the height ruler */
.ruler{position:absolute;top:24px;bottom:24px;right:clamp(16px,3vw,40px);width:clamp(54px,6vw,72px);border-left:2px solid var(--ink)}
.tick{position:absolute;left:0;height:0;border-top:1px solid var(--ink);width:10px}
.tick.foot{width:20px;border-top-width:2px}
.tick .ft{position:absolute;left:24px;top:-.62em;font-size:.72rem;color:var(--muted);font-weight:600}
.mark{position:absolute;left:-2px;right:-6px;height:0}
.mark::before{content:"";position:absolute;left:0;right:0;top:-1px;border-top:3px solid currentColor}
.mark b{position:absolute;right:calc(100% + 10px);top:-.75em;white-space:nowrap;font-size:.78rem;font-weight:800;font-stretch:110%;background:var(--paper);padding:0 4px}
.mark.me{color:var(--ink)}
.mark.bar{color:var(--blue);transition:bottom 1.6s cubic-bezier(.2,.8,.2,1)}
.mark.rim{color:var(--rim)}
@media (prefers-reduced-motion:reduce){.mark.bar{transition:none}}

@media (max-width:860px){
  .hero .wrap{grid-template-columns:1fr;min-height:0;padding-top:28px}
  .hero .art{order:-1}
  .hero .art img{max-width:300px;margin:0 auto 0 0}
}

/* sections */
section.block{padding:clamp(64px,9vw,112px) 0;border-bottom:1px solid var(--line)}
.block h2{font-size:clamp(2.2rem,5.4vw,3.8rem);margin-bottom:14px}
.lede{max-width:56ch;color:var(--muted);margin:0 0 36px;font-size:1.1rem}

/* calculator */
.calc{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(24px,5vw,64px);align-items:start}
@media (max-width:820px){.calc{grid-template-columns:1fr}}
.fields{display:grid;gap:20px}
.field label{display:block;font-weight:700;margin-bottom:6px}
.field .hint{display:block;font-size:.88rem;color:var(--muted);margin-top:6px}
.row{display:flex;gap:10px}
select,input[type=number],input[type=email]{
  font:inherit;font-size:1.05rem;color:var(--ink);background:var(--field);
  border:2px solid transparent;border-radius:10px;min-height:50px;padding:0 14px;width:100%
}
select:focus,input:focus{border-color:var(--blue);outline:none}
.unit{position:relative}
input[type=number]{padding-right:44px;-moz-appearance:textfield}
input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.unit span{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.result{border:2px solid var(--ink);border-radius:18px;padding:clamp(20px,3vw,32px);display:grid;grid-template-columns:1fr 92px;gap:24px;min-height:360px}
.verdict{font-stretch:120%;font-weight:900;font-size:clamp(1.6rem,3.2vw,2.2rem);line-height:1.05;margin:0 0 14px}
.facts{margin:0;display:grid;gap:10px}
.facts div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);padding-bottom:8px}
.facts dt{color:var(--muted)}
.facts dd{margin:0;font-weight:800}
.note{font-size:.88rem;color:var(--muted);margin:16px 0 0}
.mini{position:relative;border-left:2px solid var(--ink);margin-left:8px}
.mini .seg{position:absolute;left:0;width:26px;background:var(--blue);border-radius:0 6px 6px 0;transition:all .4s ease}
.mini .ln{position:absolute;left:-2px;width:64px;border-top:3px solid currentColor}
.mini .ln small{position:absolute;left:30px;top:-1.3em;background:var(--paper);padding:0 2px;line-height:1.1;font-size:.72rem;font-weight:800;white-space:nowrap}
.mini .ln.rim{color:var(--rim)}
.mini .ln.dunk{color:var(--ink);border-top-style:dashed}
.mini .ln.touch{color:var(--blue)}
@media (prefers-reduced-motion:reduce){.mini .seg{transition:none}}
@media (max-width:520px){.result{grid-template-columns:1fr 64px;gap:14px}.mini .ln{width:56px}.mini .seg{width:20px}.mini .ln small{left:22px}}

/* gear */
.gear{list-style:none;margin:0;padding:0;border-top:2px solid var(--ink)}
.gear li{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line)}
.gear li.has-image{grid-template-columns:72px 1fr auto}
.gear .thumb{width:72px;height:72px;border-radius:12px;object-fit:contain;background:var(--field);border:1px solid var(--line)}
.gear h3{margin:0;font-stretch:115%;font-weight:800;font-size:1.3rem}
.gear p{margin:4px 0 0;color:var(--muted)}
@media (max-width:480px){
  .gear li.has-image{grid-template-columns:52px 1fr auto;gap:12px}
  .gear .thumb{width:52px;height:52px;border-radius:9px}
}
.soon{color:var(--muted);font-size:.92rem}
.disclose{font-size:.88rem;color:var(--muted);margin-top:18px}

/* newsletter */
.news{background:var(--blue);color:var(--blue-ink);border-bottom:none}
.news .lede{color:var(--blue-ink);opacity:.85}
.signup{display:flex;gap:10px;max-width:560px;flex-wrap:wrap}
.signup input{flex:1 1 240px;background:var(--paper);color:var(--ink)}
.signup .btn{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.status{min-height:1.5em;margin-top:12px;font-weight:600}

/* brands */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));border-top:2px solid var(--ink);margin:0 0 36px}
.stats div{padding:22px 18px 22px 0;border-bottom:1px solid var(--line)}
.stats dt{color:var(--muted);font-size:.95rem;max-width:22ch}
.stats dd{margin:0 0 4px;font-stretch:125%;font-weight:900;font-size:clamp(2rem,4vw,2.8rem);line-height:1}

footer{padding:40px 0 48px;color:var(--muted);font-size:.92rem}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
footer nav{display:flex;gap:18px}