/* Dog BMI Calculator - Diagnostic Station */
:root{
 --bg:#F7F3EC;--ink:#1C1C14;--parchment:#F5EFE0;--panel:#0D2820;
 --amber:#C8780A;--teal:#2A7A6E;--muted:#5A5A48;--rule:rgba(90,90,72,.2);
 --r:6px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;line-height:1.6;font-size:16px}

/* HERO */
.bmi-hero{background:var(--panel);color:#EFE8D4;padding:40px 24px 32px;text-align:center}
.bmi-hero .badge{font-family:'IBM Plex Mono',monospace;font-size:10px;letter-spacing:2px;color:#8ECFB0;text-transform:uppercase;margin-bottom:10px}
.bmi-hero h1{font-family:'Fraunces',Georgia,serif;font-size:clamp(24px,5vw,42px);font-weight:700;line-height:1.15;color:#F5EFE0}
.bmi-hero .sub{font-size:15px;color:#A0BFB0;margin-top:8px;max-width:580px;margin-inline:auto}

/* FORMULA STRIP */
.formula-strip{background:#0A1A12;color:#8ECFB0;font-family:'IBM Plex Mono',monospace;font-size:13px;padding:10px 20px;text-align:center;overflow-x:auto;white-space:nowrap}

/* STATION WRAP */
.station-wrap{display:grid;grid-template-columns:1fr 1fr;min-height:480px;max-width:1100px;margin:0 auto}
@media(max-width:720px){.station-wrap{grid-template-columns:1fr}}

/* INTAKE PANEL */
.intake{background:#F5EFE0;padding:32px 28px;border-right:1px solid rgba(90,90,72,.2)}
.intake h2{font-family:'Fraunces',Georgia,serif;font-size:20px;color:#1C1C14!important;margin-bottom:20px}
.field-group{margin-bottom:18px}
.field-group label{display:block;font-family:'IBM Plex Mono',monospace!important;font-size:10px!important;letter-spacing:1.5px;text-transform:uppercase;color:#5A5A48!important;margin-bottom:6px}
.field-row{display:flex;gap:8px}
.intake input[type=text],.intake input[type=number],.intake select{
 width:100%;padding:10px 12px;border:1px solid rgba(90,90,72,.25)!important;
 background:#FDFAF4!important;border-radius:6px;
 font-family:'DM Sans',system-ui,sans-serif!important;font-size:15px!important;color:#1C1C14!important;
 appearance:none;-webkit-appearance:none;box-shadow:none!important;
}
.intake input[type=text]::placeholder,.intake input[type=number]::placeholder{color:#9A9A80!important;opacity:1!important}
.intake input:focus,.intake select:focus{outline:2px solid #2A7A6E!important;outline-offset:2px;border-color:transparent!important}
.intake select option{color:#1C1C14!important;background:#FDFAF4!important}
.unit-select{width:72px;flex-shrink:0}
.btn-calc{
 width:100%;margin-top:8px;padding:14px;
 background:#2A7A6E;color:#fff;
 border:none;border-radius:6px;
 font-family:'Fraunces',Georgia,serif;font-size:17px;font-weight:700;
 cursor:pointer;transition:background .2s;
}
.btn-calc:hover{background:#1F5E54}

/* BCS QUICK GUIDE */
.bcs-hint{margin-top:12px;padding:10px 12px;background:rgba(42,122,110,.08);border-radius:6px;border-left:3px solid #2A7A6E}
.bcs-hint p{font-family:'IBM Plex Mono',monospace;font-size:10px;color:#5A5A48!important;line-height:1.7}

/* READOUT PANEL */
.readout{background:var(--panel);padding:32px 28px;color:#EFE8D4}
.readout-badge{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:2px;color:#8ECFB0;text-transform:uppercase;margin-bottom:12px}
.big-num{font-family:'Fraunces',Georgia,serif;font-size:clamp(48px,8vw,72px);color:#C8780A;line-height:1;font-weight:700}
.big-unit{font-family:'IBM Plex Mono',monospace;font-size:12px;color:#8ECFB0;letter-spacing:2px;margin-top:4px}
.result-category{font-family:'Fraunces',Georgia,serif;font-size:18px;margin-top:6px;color:#C8780A}
.sub-readings{display:flex;gap:16px;margin-top:16px;flex-wrap:wrap}
.sub-readings .reading{background:rgba(255,255,255,.06);border-radius:6px;padding:10px 14px;flex:1;min-width:100px}
.sub-readings .r-val{font-family:'IBM Plex Mono',monospace;font-size:16px;color:#C8780A}
.sub-readings .r-lbl{font-family:'IBM Plex Mono',monospace;font-size:9px;color:#7AAFA0;letter-spacing:1px;margin-top:2px}

/* GAUGE */
.gauge-wrap{margin-top:22px;display:flex;align-items:center;gap:16px}
.gauge-svg{overflow:visible}
.gauge-track{fill:none;stroke:rgba(255,255,255,.1);stroke-width:8;stroke-linecap:round}
.gauge-arc{fill:none;stroke:#C8780A;stroke-width:8;stroke-linecap:round;stroke-dasharray:201;stroke-dashoffset:100;transition:stroke-dashoffset .6s ease,stroke .4s ease}
.gauge-info{flex:1}
.gauge-label{font-family:'IBM Plex Mono',monospace;font-size:10px;color:#7AAFA0;letter-spacing:1px;text-transform:uppercase}
.gauge-level{font-family:'Fraunces',Georgia,serif;font-size:16px;color:#C8780A;margin-top:2px}

/* BREAKDOWN */
.breakdown{margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}
.breakdown-title{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:2px;color:#8ECFB0;text-transform:uppercase;margin-bottom:10px}
.bk-row{display:flex;justify-content:space-between;font-family:'IBM Plex Mono',monospace;font-size:12px;color:#C0B898;margin-bottom:6px}
.bk-row span:last-child{color:#C8780A}

/* SHARE */
.share-row{display:flex;gap:10px;margin-top:20px;flex-wrap:wrap}
.btn-pdf{padding:10px 18px;background:rgba(255,255,255,.08);color:#EFE8D4;border:1px solid rgba(255,255,255,.2);border-radius:6px;font-family:'IBM Plex Mono',monospace;font-size:11px;cursor:pointer;letter-spacing:1px;transition:background .2s}
.btn-pdf:hover{background:rgba(255,255,255,.16)}
.btn-wa{padding:10px 18px;background:#25D366;color:#fff;border:none;border-radius:6px;font-family:'IBM Plex Mono',monospace;font-size:11px;cursor:pointer;letter-spacing:1px;transition:opacity .2s}
.btn-wa:hover{opacity:.85}

/* CHART */
.chart-section{max-width:1100px;margin:0 auto;padding:28px 24px}
.chart-section h3{font-family:'Fraunces',Georgia,serif;font-size:18px;margin-bottom:6px;color:#1C1C14!important}
.chart-section p{font-size:13px;color:#5A5A48!important;margin-bottom:14px}
.chart-box{background:#F5EFE0;border:1px solid rgba(90,90,72,.2);border-radius:6px;padding:16px;overflow-x:auto}
.chart-box svg{display:block;width:100%;height:auto}
.chart-legend{display:flex;gap:16px;flex-wrap:wrap;margin-top:10px}
.legend-item{display:flex;align-items:center;gap:6px;font-family:'IBM Plex Mono',monospace;font-size:10px;color:#5A5A48!important}
.legend-swatch{width:12px;height:12px;border-radius:2px}

/* BCI TABLE */
.bci-table-wrap{max-width:900px;margin:0 auto;padding:0 24px 32px}
.bci-table-wrap h2{font-family:'Fraunces',Georgia,serif;font-size:22px;margin-bottom:12px;color:#1C1C14!important}
.bci-table-wrap p{font-size:14px;color:#5A5A48!important;margin-bottom:14px;line-height:1.65}
.btable-wrap{overflow-x:auto}
.btable{width:100%;border-collapse:collapse;font-family:'IBM Plex Mono',monospace;font-size:13px}
.btable th{background:#0D2820;color:#8ECFB0;padding:10px 14px;text-align:left;font-size:10px;letter-spacing:1px;text-transform:uppercase}
.btable td{padding:10px 14px;border-bottom:1px solid rgba(90,90,72,.15);color:#4a4a38!important;-webkit-text-fill-color:#4a4a38!important}
.btable tr:nth-child(even) td{background:rgba(90,90,72,.04)}
.btable td:first-child{color:#1C1C14!important;-webkit-text-fill-color:#1C1C14!important;font-weight:600}
.btable td:last-child{font-weight:700}

/* HOW IT WORKS */
.how-section{max-width:900px;margin:0 auto;padding:32px 24px}
.how-section h2{font-family:'Fraunces',Georgia,serif;font-size:22px;margin-bottom:20px;color:#1C1C14!important}
.how-intro{font-size:14px;color:#5A5A48!important;max-width:72ch;margin-bottom:20px;line-height:1.65}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}
.step{background:#F5EFE0;border:1px solid rgba(90,90,72,.2);border-radius:6px;padding:18px}
.step-num{font-family:'IBM Plex Mono',monospace;font-size:11px;color:#2A7A6E!important;letter-spacing:2px;margin-bottom:6px}
.step h4{font-family:'Fraunces',Georgia,serif;font-size:15px;margin-bottom:4px;color:#1C1C14!important}
.step p{font-size:13px;color:#5A5A48!important;line-height:1.6}

/* SCIENCE */
.science-section{max-width:900px;margin:0 auto;padding:0 24px 32px}
.science-section h2{font-family:'Fraunces',Georgia,serif;font-size:22px;margin-bottom:12px;color:#1C1C14!important}
.science-section p{font-size:14px;color:#5A5A48!important;max-width:72ch;margin-bottom:10px;line-height:1.65}
.formula-box{background:#0D2820;color:#8ECFB0!important;font-family:'IBM Plex Mono',monospace;font-size:13px;padding:16px 20px;border-radius:6px;margin:12px 0}

/* BREED SECTION */
.breed-section{background:#F5EFE0;padding:32px 24px}
.breed-section h2{font-family:'Fraunces',Georgia,serif;font-size:22px;max-width:900px;margin:0 auto 16px;color:#1C1C14!important}
.breed-section p.sec-intro{font-size:14px;color:#5A5A48!important;max-width:900px;margin:0 auto 16px;line-height:1.65}
.breed-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;max-width:900px;margin:0 auto}
.breed-card{background:#F7F3EC;border:1px solid rgba(90,90,72,.2);border-radius:6px;padding:16px}
.breed-tag{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:2px;color:#2A7A6E!important;text-transform:uppercase;display:block;margin-bottom:6px}
.breed-card h4{font-family:'Fraunces',Georgia,serif;font-size:15px;color:#1C1C14!important;margin-bottom:6px}
.breed-card p{font-size:13px;color:#5A5A48!important;line-height:1.55}
.breed-range{font-family:'IBM Plex Mono',monospace;font-size:13px;color:#C8780A!important;margin-top:8px;display:block;font-weight:600}

/* CASE FILES */
.cases-section{max-width:900px;margin:0 auto;padding:32px 24px}
.cases-section h2{font-family:'Fraunces',Georgia,serif;font-size:22px;margin-bottom:8px;color:#1C1C14!important}
.sec-intro{font-size:14px;color:#5A5A48!important;margin-bottom:16px;line-height:1.65}
.cases-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.case-card{background:#F5EFE0;border:1px solid rgba(90,90,72,.2);border-radius:6px;padding:18px}
.case-tag{font-family:'IBM Plex Mono',monospace;font-size:9px;letter-spacing:2px;color:#2A7A6E!important;text-transform:uppercase;margin-bottom:6px;display:block}
.case-card h4{font-family:'Fraunces',Georgia,serif;font-size:15px;margin-bottom:6px;color:#1C1C14!important}
.case-card p{font-size:13px;color:#5A5A48!important;line-height:1.55}
.case-result{font-family:'IBM Plex Mono',monospace;font-size:14px;color:#C8780A!important;margin-top:8px;font-weight:600;display:block}

/* TIPS */
.tips-section{background:#F5EFE0;padding:32px 24px}
.tips-section h2{font-family:'Fraunces',Georgia,serif;font-size:22px;max-width:900px;margin:0 auto 8px;color:#1C1C14!important}
.tips-section .sec-intro{max-width:900px;margin:0 auto 16px}
.tips-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;max-width:900px;margin:0 auto}
.tip{border-left:3px solid #2A7A6E;padding:12px 16px;background:#F7F3EC;border-radius:0 6px 6px 0}
.tip-icon{font-size:18px;margin-bottom:4px;display:block}
.tip h4{font-family:'Fraunces',Georgia,serif;font-size:14px;margin-bottom:4px;color:#1C1C14!important}
.tip p{font-size:13px;color:#5A5A48!important;line-height:1.55}

/* FAQ */
.faq-section{max-width:900px;margin:0 auto;padding:32px 24px}
.faq-section h2{font-family:'Fraunces',Georgia,serif;font-size:22px;margin-bottom:20px;color:#1C1C14!important}
.faq-list{max-width:900px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(90,90,72,.2)}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:14px 0;cursor:pointer;font-family:'Fraunces',Georgia,serif;font-size:16px;gap:12px;color:#1C1C14!important}
.faq-icon{font-family:'IBM Plex Mono',monospace;font-size:16px;color:#2A7A6E!important;flex-shrink:0}
.faq-a{max-height:0;overflow:hidden;font-size:14px;color:#5A5A48!important;transition:max-height .3s ease,padding .3s ease;line-height:1.65}
.faq-a.open{max-height:400px;padding-bottom:14px}

/* RELATED */
.related-section{background:#F5EFE0;padding:32px 24px}
.related-section h2{font-family:'Fraunces',Georgia,serif;font-size:22px;max-width:900px;margin:0 auto 16px;color:#1C1C14!important}
.related-rail{display:flex;gap:12px;overflow-x:auto;padding-bottom:8px;max-width:900px;margin:0 auto}
.related-card{flex-shrink:0;background:#F7F3EC;border:1px solid rgba(90,90,72,.2);border-radius:6px;padding:14px 18px;min-width:160px;text-decoration:none!important;color:#1C1C14!important;transition:border-color .2s}
.related-card:hover{border-color:#2A7A6E}
.related-card .rc-label{font-family:'IBM Plex Mono',monospace;font-size:9px;color:#2A7A6E!important;letter-spacing:2px;text-transform:uppercase;margin-bottom:4px;display:block}
.related-card .rc-title{font-family:'Fraunces',Georgia,serif;font-size:14px;color:#1C1C14!important}

/* DISCLAIMER */
.disclaimer{max-width:900px;margin:0 auto;padding:0 24px 32px}
.disclaimer-toggle{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#F5EFE0;border:1px solid rgba(90,90,72,.2);border-radius:6px;cursor:pointer;font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:1px;color:#5A5A48!important}
.disclaimer-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.disclaimer-body.open{max-height:400px}
.disclaimer-body-inner{padding:14px 16px;font-size:13px;color:#5A5A48!important;border:1px solid rgba(90,90,72,.2);border-top:none;border-radius:0 0 6px 6px;line-height:1.65}
.disclaimer-body-inner a{color:#2A7A6E!important}

@media(max-width:500px){
 .intake,.readout{padding:20px 16px}
 .bmi-hero{padding:28px 16px 24px}
 .share-row{flex-direction:column}
 .btn-pdf,.btn-wa{width:100%;text-align:center}
}