@font-face{font-family:'RS Sans';src:url('/assets/fonts/rs-sans.woff') format('woff');font-weight:400 700;font-style:normal;font-display:swap}
:root{--bg:#fffdfa;--ink:#1b1a17;--muted:#6b6a66;--line:#eceae4;--brand:#b4884d;--brand-dark:#8a6636;--brand-tint:#f7efe2;--card:#ffffff;--good:#2e7d5b;--warn:#b7791f;--radius:16px;--shadow:0 1px 2px rgba(20,18,14,.05),0 8px 30px rgba(20,18,14,.06);--max:1080px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'RS Sans','Segoe UI',Roboto,-apple-system,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
a{color:var(--brand-dark)}
h1,h2,h3{line-height:1.2;letter-spacing:-.01em}
h1{font-size:clamp(1.9rem,4vw,2.7rem);margin:.2em 0 .3em}
h2{font-size:clamp(1.4rem,2.6vw,1.9rem);margin:1.6em 0 .5em}
h3{font-size:1.15rem;margin:1.4em 0 .4em}
p{margin:.6em 0}
.muted{color:var(--muted)}
.small{font-size:.86rem}
.site-head{position:sticky;top:0;z-index:20;background:rgba(255,253,250,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;gap:18px;height:64px}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.12rem;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.brand .ring{width:22px;height:22px;border:4px solid var(--brand);border-radius:50%;display:inline-block}
.nav{margin-left:auto;display:flex;gap:6px;flex-wrap:wrap}
.nav a{color:var(--ink);text-decoration:none;font-size:.92rem;padding:10px 11px;min-height:44px;display:inline-flex;align-items:center;border-radius:9px}
.nav a:hover{background:var(--brand-tint)}
.menu-btn{display:none;min-width:44px;min-height:44px;margin-left:auto;background:none;border:1px solid var(--line);border-radius:9px;padding:8px 12px;font-size:1rem;cursor:pointer}
.hero{background:linear-gradient(180deg,var(--brand-tint),transparent);padding:44px 0 8px;text-align:center}
.hero p.lead{font-size:1.15rem;color:var(--muted);max-width:640px;margin:0 auto 8px}
.hero-art{max-width:250px;margin:16px auto 0}
.hero-art svg{width:100%;height:auto;display:block}
.badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:14px 0 4px}
.badge{background:#fff;border:1px solid #e3d9c4;border-radius:999px;padding:5px 13px;font-size:.82rem;color:var(--ink);font-weight:600}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.tool{max-width:720px;margin:22px auto}
.tabs{display:flex;gap:6px;background:var(--brand-tint);padding:6px;border-radius:12px}
.tabs button{flex:1;border:0;background:transparent;padding:11px 8px;border-radius:8px;font-size:.94rem;font-weight:600;color:var(--muted);cursor:pointer;transition:.15s}
.tabs button.active{background:#fff;color:var(--ink);box-shadow:var(--shadow)}
.field{margin:18px 0}
.field label{display:block;font-weight:600;margin-bottom:7px;font-size:.95rem}
.inputrow{display:flex;gap:10px}
.inputrow input,select{flex:1;font-size:1.05rem;padding:13px 14px;border:1px solid #ddd9d0;border-radius:11px;background:#fff;width:100%}
.inputrow input:focus,select:focus{outline:2px solid var(--brand);border-color:var(--brand)}
.unit{width:104px;flex:0 0 auto}
.hint{font-size:.83rem;color:var(--muted);margin-top:7px}
.btn{display:inline-block;background:var(--brand);color:var(--ink);border:0;border-radius:11px;padding:13px 22px;font-size:1rem;font-weight:700;cursor:pointer;text-decoration:none;transition:.15s}
.btn:hover{background:var(--brand-dark)}
.btn.block{display:block;width:100%;text-align:center}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.result{margin-top:20px;display:none}
.result.show{display:block;animation:reveal .45s cubic-bezier(.2,.7,.2,1)}
@keyframes reveal{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.result h3{margin:0 0 4px;font-size:1rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.sizes{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:10px;margin:12px 0}
.sizecell{background:var(--brand-tint);border-radius:12px;padding:14px 8px;text-align:center}
.sizecell.primary{background:linear-gradient(180deg,#fff,var(--brand-tint));border:2px solid var(--brand)}
.sizecell.primary .val{color:var(--brand-dark)}
.sizecell .ring-ic{display:block;width:18px;height:18px;margin:0 auto 3px;border:3px solid var(--brand);border-radius:50%}
.sizecell .lab{font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.sizecell .val{font-size:1.7rem;font-weight:800;color:var(--ink);line-height:1.1}
.sizecell .sub{font-size:.72rem;color:var(--muted)}
.notewarn{background:#fdf6e7;border:1px solid #f0e0b6;color:#7a5b12;border-radius:10px;padding:10px 13px;font-size:.86rem;margin-top:8px}
.hub{margin:30px auto;max-width:720px}
.hublist{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin-top:12px}
.hublist a{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink);font-weight:600;transition:.15s}
.hublist a:hover{border-color:var(--brand);transform:translateY(-1px);box-shadow:var(--shadow)}
.hublist a .ic{font-size:1.3rem}
table.chart{width:100%;border-collapse:collapse;margin:16px 0;font-size:.94rem}
table.chart th,table.chart td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:center}
table.chart thead th{background:var(--brand-tint);position:sticky;top:64px}
table.chart tbody tr:hover{background:#faf7f1}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.nearby{width:100%;border-collapse:collapse;font-size:.92rem;margin:8px 0}
.nearby th,.nearby td{padding:9px 10px;text-align:center;border-bottom:1px solid var(--line)}
.nearby tr.cur{background:var(--brand-tint);font-weight:700}
.prose{max-width:760px;margin:0 auto}
.prose ul,.prose ol{padding-left:22px}
figure.diagram{margin:20px auto;max-width:460px;text-align:center}
figure.diagram img{width:100%;height:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
figure.diagram figcaption{font-size:.83rem;color:var(--muted);margin-top:8px}
.faq details{border:1px solid var(--line);border-radius:12px;padding:2px 16px;margin:10px 0;background:#fff}
.faq summary{font-weight:600;cursor:pointer;padding:14px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';float:right;color:var(--brand);font-weight:700}
.faq details[open] summary::after{content:'\2212'}
#stage{position:relative;background:#fff;border:1px dashed #cfc9bd;border-radius:12px;padding:16px;text-align:center;overflow:hidden}
#card{margin:10px auto;background:linear-gradient(135deg,#3a4a63,#22304a);border-radius:9px;position:relative;box-shadow:var(--shadow)}
#ringcircle{margin:16px auto;border:3px solid var(--brand);border-radius:50%;position:relative}
input[type=range]{width:100%}
.printable-sheet{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff;padding:10px;margin:14px 0}
.printable-sheet svg{max-width:100%;height:auto}
.site-foot{margin-top:60px;border-top:1px solid var(--line);background:#faf7f1}
.site-foot .wrap{padding:34px 20px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px}
.site-foot h4{margin:0 0 10px;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.site-foot a{display:block;color:var(--ink);text-decoration:none;font-size:.92rem;padding:3px 0}
.site-foot a:hover{color:var(--brand-dark)}
.foot-legal{border-top:1px solid var(--line);padding:16px 20px;text-align:center;font-size:.82rem;color:var(--muted)}
.disclosure{background:var(--brand-tint);border-radius:10px;padding:10px 14px;font-size:.83rem;color:var(--muted);margin:18px auto;max-width:760px}
.crumbs{font-size:.84rem;color:var(--muted);padding:14px 0}
.crumbs a{color:var(--muted)}
.cta-affil{margin:18px 0;text-align:center}
#cookie-banner{display:none;position:fixed;left:16px;right:16px;bottom:16px;z-index:60;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px;padding:16px 18px;max-width:540px;margin:0 auto}
#cookie-banner p{margin:0 0 10px;font-size:.9rem}
#cookie-banner .row{display:flex;gap:10px;justify-content:flex-end}
@media(max-width:760px){.site-head .wrap{height:56px}.nav{display:none;position:absolute;top:56px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;padding:8px 16px}.nav.open{display:flex}.menu-btn{display:block}.site-foot .wrap{grid-template-columns:1fr}}
@media print{.site-head,.site-foot,.hub,.faq,.cta-affil,#cookie-banner,.crumbs{display:none!important}.printable-sheet{border:0;padding:0}main{padding:0}}
@media(prefers-color-scheme:dark){
:root{--bg:#151311;--ink:#f2ede3;--muted:#a8a294;--line:#2c2823;--card:#1e1b18;--brand-tint:#2a2118}
.site-head{background:rgba(21,19,17,.9)}
.badge{background:#1e1b18;border-color:#3a342c}
.inputrow input,select{background:#1e1b18;border-color:#3a342c;color:var(--ink)}
.btn.ghost{background:#1e1b18;color:var(--ink)}
.faq details,.hublist a,.card{background:#1e1b18}
.site-foot{background:#131110}
.tabs button.active{background:#2a2620;color:var(--ink)}
.notewarn{background:#2a2114;border-color:#4a3c1e;color:#e8cf8f}
#cookie-banner{background:#1e1b18}
table.chart tbody tr:hover{background:#221e19}
figure.diagram img,.printable-sheet{background:#fff}
}

/* ============================================================
   GUIDED MEASUREMENT FLOW
   Large targets, high contrast, one decision per screen.
   ============================================================ */
.flow-wrap{max-width:920px;margin:0 auto;padding:0 20px}
.flow-q{font-size:clamp(1.5rem,3.4vw,2.15rem);text-align:center;margin:.2em 0 .25em;letter-spacing:-.02em}
.flow-sub{text-align:center;color:var(--muted);font-size:1.05rem;max-width:620px;margin:0 auto 26px}

.method-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}
.method-card{display:flex;align-items:flex-start;gap:14px;text-align:left;width:100%;
  background:var(--card);border:2px solid var(--line);border-radius:var(--radius);
  padding:18px 16px;cursor:pointer;font:inherit;color:inherit;transition:border-color .15s,box-shadow .15s,transform .15s}
.method-card:hover{border-color:var(--brand);box-shadow:var(--shadow);transform:translateY(-2px)}
.method-card:focus-visible{outline:3px solid var(--brand-dark);outline-offset:2px}
.method-card .m-ic{font-size:2rem;line-height:1;flex:0 0 auto;background:var(--brand-tint);border-radius:12px;padding:10px}
.method-card .m-body{display:flex;flex-direction:column;gap:5px;flex:1 1 auto;min-width:0}
.method-card .m-title{font-size:1.12rem;font-weight:700;color:var(--ink)}
.method-card .m-blurb{font-size:.95rem;color:var(--muted);line-height:1.5}
.method-card .m-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.m-tag,.m-time{font-size:.75rem;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--brand-tint);color:var(--brand-dark)}
.m-time{background:#f1f0ec;color:var(--muted)}
.m-tag.cal{background:#eaf4ef;color:var(--good)}
.method-card .m-go{font-size:1.4rem;color:var(--brand);flex:0 0 auto;align-self:center}
.flow-help{text-align:center;color:var(--muted);margin-top:18px;font-size:.95rem}
.linklike{background:none;border:0;padding:0;font:inherit;color:var(--brand-dark);text-decoration:underline;cursor:pointer}
.linklike:focus-visible{outline:2px solid var(--brand-dark);outline-offset:2px}

/* ---- wizard shell ---- */
.flow-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;flex-wrap:wrap}
.flow-prog{font-size:.92rem;color:var(--muted)}
.btn.small{padding:7px 13px;font-size:.9rem}
.flow-dots{display:flex;gap:6px;margin-bottom:14px}
.flow-dots .dot{height:6px;flex:1;border-radius:999px;background:var(--line)}
.flow-dots .dot.on{background:var(--brand)}
.flow-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.flow-title{font-size:clamp(1.25rem,2.6vw,1.6rem);margin:0 0 .3em}
.flow-title:focus{outline:none}
.flow-hint{color:var(--muted);margin:0 0 16px;font-size:1rem;line-height:1.6}
.flow-lead{font-size:1.05rem;margin:0 0 14px}
.cal-steps{background:var(--brand-tint);border-radius:12px;padding:14px 16px;margin-bottom:18px;font-size:1rem}
.cal-steps ol{margin:8px 0 0;padding-left:20px}
.cal-steps li{margin:6px 0;line-height:1.55}

/* ---- calibration ---- */
.cal-holder{display:flex;justify-content:center;padding:14px 0;max-width:100%}
.cal-card{position:relative;border:3px dashed var(--brand);border-radius:10px;background:linear-gradient(135deg,#fffaf1,#f7efe2);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;max-width:100%;box-sizing:border-box}
.cal-card.tall .cal-card-label{writing-mode:horizontal-tb}
.cal-card.clipped{border-bottom-style:dotted;border-bottom-color:var(--muted)}
.cal-clipnote,.cal-atmax{text-align:center}
.rotate-gate{text-align:center;padding:22px 12px 8px}
.rotate-gate h3{margin:6px 0 8px;font-size:1.35rem}
.rotate-ic{display:inline-flex;align-items:center;justify-content:center;margin-bottom:6px}
.rot-phone{display:block;width:44px;height:76px;border:3px solid var(--brand);border-radius:10px;position:relative;animation:rotphone 2.4s ease-in-out infinite;transform-origin:center}
.rot-phone::after{content:"";position:absolute;left:50%;bottom:5px;transform:translateX(-50%);width:16px;height:3px;border-radius:2px;background:var(--brand)}
@keyframes rotphone{0%,30%{transform:rotate(0)}55%,80%{transform:rotate(-90deg)}100%{transform:rotate(-90deg)}}
@media (prefers-reduced-motion:reduce){.rot-phone{animation:none;transform:rotate(-90deg)}}
.cal-card.verify{border-style:solid}
.cal-card-label{font-size:.85rem;color:var(--brand-dark);font-weight:600;text-align:center;padding:4px}
.cal-controls{display:flex;align-items:center;gap:12px;margin:14px 0 6px}
.cal-range{flex:1;height:34px;accent-color:var(--brand)}
.big-step{min-width:56px;min-height:52px;font-size:1.5rem;font-weight:700;line-height:1}
.cal-readout{text-align:center;color:var(--muted);font-size:.95rem;margin:6px 0 16px}
.cal-ruler{text-align:center;margin:18px 0}
.cal-ruler .bar{height:16px;background:repeating-linear-gradient(90deg,var(--brand) 0 2px,transparent 2px 10px),var(--brand-tint);
  border:2px solid var(--brand);border-radius:4px;margin:0 auto 8px}
.verify-q{font-size:1.1rem;text-align:center;margin:18px 0 12px}
.verify-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-bottom:14px}
.verify-actions .btn{flex:1 1 220px;justify-content:center;text-align:center}
.noteok{background:#eaf4ef;border:1px solid #bfe0cf;color:#1f5c43;border-radius:12px;padding:12px 14px;font-size:.95rem}

/* ---- on-screen gauges ---- */
.ring-stage,.finger-stage{display:flex;align-items:center;justify-content:center;min-height:190px;
  background:repeating-linear-gradient(45deg,#fbf7ef 0 10px,#f7f2e8 10px 20px);border-radius:14px;padding:18px;overflow:auto}
.ring-circle{border:6px solid var(--brand);border-radius:50%;background:#fff;flex:0 0 auto;box-shadow:0 0 0 1px rgba(0,0,0,.05) inset}
.finger-bar{height:74px;background:linear-gradient(180deg,#d8b57e,#b4884d);border-radius:999px;flex:0 0 auto;box-shadow:var(--shadow)}

/* ---- result ---- */
.result-box{margin-top:20px;border-top:2px solid var(--line);padding-top:18px;display:none}
.result-box.show{display:block;animation:rise .25s ease-out}
@keyframes rise{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.result-head h3{margin:0 0 2px}
.result-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}

@media (max-width:640px){
  .method-card{padding:15px 13px}
  .method-card .m-ic{font-size:1.6rem;padding:8px}
  .flow-card{padding:16px}
  .verify-actions .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  .method-card,.result-box.show{transition:none;animation:none}
}
@media (prefers-color-scheme:dark){
  .method-card{background:#221f1b;border-color:#3a352d}
  .m-time{background:#2c2822;color:#b9b3a7}
  .cal-card{background:linear-gradient(135deg,#2a251d,#332c22)}
  .ring-stage,.finger-stage{background:repeating-linear-gradient(45deg,#242019 0 10px,#2a251d 10px 20px)}
  .ring-circle{background:#171512}
  .noteok{background:#16281f;border-color:#2c5a44;color:#8fd6b4}
}
@media print{
  .site-head,.site-foot,.flow-bar,.flow-dots,.method-grid,.flow-help,.result-actions,.cta-affil,#cookie-banner{display:none !important}
  .flow-card{border:none;box-shadow:none;padding:0}
}

/* device recommendation badge */
.method-grid{margin-top:14px}
.method-card.recommended{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-tint),var(--shadow);position:relative}
.m-rec{position:absolute;top:-11px;left:14px;background:var(--brand);color:var(--ink);font-size:.72rem;font-weight:700;padding:3px 10px;border-radius:999px;letter-spacing:.02em;white-space:nowrap;box-shadow:var(--shadow)}

/* optional tutorial videos (click-to-play facade) */
.vid{margin:0 0 16px}
.vid-facade{display:block;width:100%;aspect-ratio:16/9;border:0;border-radius:14px;cursor:pointer;position:relative;background:#2a251d center/cover no-repeat;box-shadow:var(--shadow);overflow:hidden;transition:transform .15s ease}
.vid-facade:hover{transform:translateY(-2px)}
.vid-facade:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.vid-facade .vid-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:66px;height:66px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--brand-dark);display:flex;align-items:center;justify-content:center;font-size:1.6rem;box-shadow:var(--shadow)}
.vid-cap{position:absolute;left:0;right:0;bottom:0;padding:26px 14px 10px;text-align:left;color:#fff;font-size:.9rem;background:linear-gradient(180deg,transparent,rgba(0,0,0,.72))}
.vid-dur{opacity:.85;margin-left:4px}
.vid-el{display:block;width:100%;aspect-ratio:16/9;border-radius:14px;background:#000}
.vid-steps{margin:8px 0 0}
.vid-steps ol{margin:0;padding-left:20px}
.vid-steps li{margin:4px 0;line-height:1.5;color:var(--muted)}
@media print{.vid-facade,.vid-el{display:none !important}.vid-steps{display:block !important}}
/* fluid grid at tiny widths + larger nav tap targets */
.method-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.btn.small{min-height:44px}
.flow-bar .linklike{min-height:40px;display:inline-flex;align-items:center}

/* Production accessibility and optional ad containers; no visual change while ads are disabled. */
.skip-link{position:fixed;left:12px;top:8px;z-index:1000;transform:translateY(-150%);background:var(--ink);color:var(--bg);padding:10px 14px;border-radius:8px;font-weight:700}
.skip-link:focus{transform:none}
.nav a.active{color:var(--brand-dark);font-weight:700}
.ad-wrap{max-width:920px;min-height:110px;margin:32px auto;padding:8px 20px;text-align:center;overflow:hidden}
.ad-label{display:block;font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
@media(max-width:760px){.nav a{min-height:44px}.ad-wrap{margin:24px auto;min-height:100px;padding:8px 16px}}

/* ============================================================
   3-STEP WIZARD & REVENUE FLOW
   ============================================================ */
.step-nav-bar{max-width:760px;margin:0 auto 24px;padding:0 4px}
.step-pills{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}
.step-pill{font-size:.82rem;font-weight:700;color:var(--muted);background:transparent;padding:6px 12px;border-radius:999px;border:1px solid transparent;display:inline-flex;align-items:center;gap:6px}
.step-pill.active{background:var(--brand-tint);color:var(--brand-dark);border-color:rgba(180,136,77,.35)}
.step-pill.done{color:var(--good)}
.step-pill .num{width:20px;height:20px;border-radius:50%;background:var(--line);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;font-size:.76rem}
.step-pill.active .num{background:var(--brand);color:#fff}
.step-pill.done .num{background:var(--good);color:#fff}
.step-progress-track{display:flex;gap:8px;height:6px}
.step-seg{flex:1;background:var(--line);border-radius:999px;transition:background .2s}
.step-seg.filled{background:var(--brand)}

/* ---- Binary 2-Choice Full Page Layout ---- */
.binary-choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin:28px auto 20px;max-width:820px}
.binary-card{background:var(--card);border:2px solid var(--line);border-radius:20px;padding:36px 24px;text-align:center;text-decoration:none;color:inherit;display:flex;flex-direction:column;align-items:center;justify-content:space-between;transition:all .2s cubic-bezier(.2,.7,.2,1);box-shadow:var(--shadow);position:relative}
.binary-card:hover{border-color:var(--brand);transform:translateY(-4px);box-shadow:0 12px 36px rgba(180,136,77,.18)}
.binary-card.primary-choice{border-color:rgba(180,136,77,.4)}
.binary-card-icon{width:76px;height:76px;border-radius:50%;background:var(--brand-tint);display:flex;align-items:center;justify-content:center;font-size:2.4rem;margin-bottom:18px;border:2px solid rgba(180,136,77,.25)}
.binary-card-title{font-size:1.35rem;font-weight:800;color:var(--ink);margin:0 0 8px}
.binary-card-desc{font-size:.95rem;color:var(--muted);line-height:1.55;margin:0 0 16px;max-width:300px}
.binary-card-badge{font-size:.76rem;font-weight:700;background:var(--brand-tint);color:var(--brand-dark);padding:4px 12px;border-radius:999px;margin-bottom:20px}
.binary-card-btn{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff;font-weight:700;font-size:1.02rem;padding:14px 20px;border-radius:12px;transition:background .15s}
.binary-card:hover .binary-card-btn{background:var(--brand-dark)}

.decision-section{margin:24px 0 16px}
.decision-heading{font-size:1.15rem;font-weight:800;color:var(--ink);margin:0 0 10px;display:flex;align-items:center;gap:8px}
.decision-heading .ic{font-size:1.25rem}

.measure-container{max-width:760px;margin:0 auto}
.measure-box{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.measure-back{margin-bottom:16px}

.result-container{max-width:760px;margin:0 auto}
.primary-size-box{background:linear-gradient(180deg,#fff,var(--brand-tint));border:2px solid var(--brand);border-radius:16px;padding:18px;margin:16px auto;max-width:320px}
.primary-size-val{font-size:3.2rem;font-weight:900;color:var(--brand-dark);line-height:1}
.primary-size-lbl{font-size:.9rem;font-weight:700;color:var(--muted);margin-top:4px}

.dual-country-box{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px auto;max-width:540px}
.country-size-pill{background:linear-gradient(180deg,#fff,var(--brand-tint));border:2px solid var(--brand);border-radius:16px;padding:16px 12px;text-align:center;box-shadow:var(--shadow)}
.country-size-val{font-size:2.3rem;font-weight:900;color:var(--brand-dark);line-height:1.1}
.country-size-lbl{font-size:.88rem;font-weight:700;color:var(--ink);margin-top:4px}
.country-size-sub{font-size:.78rem;color:var(--muted);margin-top:2px}

.dimension-badges{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:16px 0 6px}
.dim-badge{background:var(--brand-tint);border-radius:10px;padding:8px 14px;font-size:.9rem;color:var(--ink)}

.accuracy-guidance{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:24px 0;box-shadow:var(--shadow)}
.accuracy-guidance h3{margin-top:0;color:var(--ink);display:flex;align-items:center;gap:8px}
.guidance-list{margin:10px 0 0;padding-left:20px}
.guidance-list li{margin:8px 0;line-height:1.55}

.standards-note{background:var(--brand-tint);border-left:4px solid var(--brand);padding:12px 16px;border-radius:0 10px 10px 0;font-size:.88rem;color:var(--ink);margin:18px 0}

.result-cta-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-top:20px}
.result-cta-row .btn{flex:1 1 200px;text-align:center;justify-content:center}

@media(max-width:640px){
  .step-pills{flex-direction:row;font-size:.74rem}
  .step-pill{padding:4px 8px}
  .binary-choice-grid{grid-template-columns:1fr;gap:16px}
  .binary-card{padding:26px 18px}
  .dual-country-box{grid-template-columns:1fr;gap:10px}
  .result-card-main{padding:18px 14px}
  .primary-size-val{font-size:2.6rem}
  .result-cta-row .btn{flex:1 1 100%}
}