:root{color-scheme:light;--carbon:#111111;--white:#fff;--red:#ff2b2b;--graphite:#2e3238;--line:#e8eaed;--shadow:0 14px 38px rgba(17,17,17,.055)}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;color:var(--carbon);font:400 16px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit}
button{cursor:pointer}
a{color:inherit;text-underline-offset:3px}
img{max-width:100%;height:auto}
[hidden]{display:none!important}
.container{width:min(100% - 40px,1120px);margin-inline:auto}
.narrow{max-width:640px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;top:-100px;left:16px;background:var(--white);z-index:100;padding:12px 16px}
.skip-link:focus{top:12px}
:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.site-header{background:var(--carbon);color:var(--white)}
.header-inner{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:inline-flex;align-items:center;width:196px;max-width:48vw;height:58px;overflow:hidden;background:var(--white);border-radius:8px;padding:7px 8px}
.brand img{display:block;width:180px;height:auto;max-height:52px;object-fit:contain;object-position:left center}
.site-header nav{display:flex;gap:24px;align-items:center}
.site-header nav a{text-decoration:none;font-size:14px;font-weight:650}
.site-header nav a:hover,.site-footer a:hover{text-decoration:underline}
.tool-intro{padding-block:56px 24px;text-align:center}
.eyebrow{font-size:12px;line-height:1.4;font-weight:800;text-transform:uppercase;letter-spacing:.14em;color:var(--graphite);margin:0 0 12px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(30px,4vw,44px);line-height:1.12;letter-spacing:-.04em;margin-bottom:16px}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.2;letter-spacing:-.03em}
h3{font-size:19px;line-height:1.3;letter-spacing:-.02em}
.lede{font-size:18px;line-height:1.55;color:var(--graphite);max-width:650px;margin-inline:auto}
.tool-card,.result-card,.metric-card{border:1px solid var(--line);border-radius:16px;background:var(--white);box-shadow:var(--shadow)}
.tool-card{padding:clamp(20px,4vw,32px)}
.form-head{padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:24px}
.form-head h2{font-size:24px;margin-bottom:6px}
.form-head p{color:var(--graphite);margin-bottom:0}
.field{margin-bottom:22px}
.field label,.field legend,.unit-switch legend{display:block;font-weight:750;margin-bottom:8px}
.field input,.field select{width:100%;min-height:50px;border:1.5px solid #898f96;border-radius:10px;background:#fff;color:var(--carbon);padding:10px 14px}
.field input:focus,.field select:focus{border-color:var(--graphite)}
.field input[aria-invalid="true"],.field select[aria-invalid="true"]{border-color:#bf1010;border-width:2px}
.field-help{font-size:14px;color:var(--graphite);margin:7px 0 0}
.field-error{font-size:14px;color:#a00000;font-weight:650;margin:5px 0 0;min-height:0}
.field-error:empty{display:none}
.unit-switch{border:0;padding:0;margin:0 0 24px}
.segmented{display:inline-flex;flex-wrap:wrap;gap:4px;padding:4px;border:1px solid var(--line);border-radius:12px;background:#f4f5f6}
.segmented label{position:relative;cursor:pointer}
.segmented input{position:absolute;opacity:0;inset:0}
.segmented span{display:flex;min-height:44px;align-items:center;padding:8px 15px;border-radius:8px;font-size:14px;font-weight:700}
.segmented input:checked+span{background:var(--carbon);color:white;box-shadow:0 2px 7px rgba(0,0,0,.12)}
.segmented input:focus-visible+span{outline:3px solid var(--red);outline-offset:2px}
.height-pair{display:grid;grid-template-columns:1fr 1fr;gap:12px}
fieldset.field{padding:0;border:0}
.primary-button{display:inline-flex;min-height:52px;align-items:center;justify-content:center;gap:16px;padding:12px 22px;border:2px solid var(--carbon);border-radius:10px;background:var(--carbon);color:var(--white);font-weight:800;text-decoration:none;text-align:center}
.primary-button:hover{background:var(--graphite)}
.tool-card>.primary-button{width:100%}
.form-note{font-size:14px;color:var(--graphite);text-align:center;margin:14px 0 0}
.form-alert{color:#a00000;font-weight:700;margin:0 0 14px}
.ad-wrap{padding-block:48px}
.ad-slot{height:100px;max-width:728px;margin-inline:auto;border:1px dashed var(--line);border-radius:10px;background:linear-gradient(135deg,#fff,#fafafa);pointer-events:none}
.education{padding-block:24px}
.section-heading{max-width:620px;margin:0 0 24px}
.section-heading h2{margin-bottom:0}
.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.article-card{padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--white)}
.article-card h3{margin-bottom:10px}
.article-card p{color:var(--graphite);margin:0}
.education-tail{padding-top:0}
.faq{padding-block:24px 88px}
.faq-list{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-size:17px;font-weight:750;padding:18px 28px 18px 0;position:relative;min-height:56px}
.faq summary::after{content:"+";position:absolute;right:2px;font-size:24px;font-weight:400;top:11px}
.faq details[open] summary::after{content:"−"}
.faq details p{max-width:800px;color:var(--graphite);padding-bottom:16px;margin:0}
.site-footer{border-top:1px solid var(--line);padding:28px 0 36px;color:var(--graphite);font-size:14px}
.footer-inner{display:flex;align-items:start;justify-content:space-between;gap:20px}
.site-footer nav{display:flex;flex-wrap:wrap;gap:10px 18px}
.results-shell{max-width:940px;padding-top:48px}
.has-session #missing-state{display:none!important}
.has-session #results-content[hidden]{display:block!important}
.has-session #profile-summary{min-height:22px}
.has-session #target-explainer{min-height:72px}
.has-session #reference-note{min-height:65px}
.has-session #protein-factor-note,.has-session #fat-factor-note{min-height:40px}
.results-intro{padding-bottom:18px}
.results-intro .lede{margin-inline:0}
.profile-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px 24px;margin-top:24px;padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px}
.profile-actions p{margin:0 auto 0 0;color:var(--graphite)}
.profile-actions a,.text-button{font-weight:750}
.text-button{border:0;background:none;padding:8px 0;text-decoration:underline}
.metrics-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}
.metric-card{padding:24px}
.metric-card p:last-child{color:var(--graphite);font-size:14px;margin-bottom:0}
.metric-primary{border-top:4px solid var(--red);padding-top:21px}
.metric-label{font-size:15px;font-weight:800;min-height:44px;margin-bottom:8px}
.metric-number,.target-number{font-size:clamp(34px,5vw,48px);line-height:1.15;font-weight:850;letter-spacing:-.04em;font-variant-numeric:tabular-nums;margin-bottom:10px}
.metric-number span,.target-number span{font-size:14px;font-weight:700;letter-spacing:0;color:var(--graphite)}
.result-card{padding:clamp(20px,3vw,28px);margin-bottom:16px}
.section-heading.small{margin-bottom:20px}
.section-heading.small h2{font-size:25px}
.goal-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.goal-button{min-height:52px;border:1.5px solid #898f96;border-radius:10px;background:#fff;color:var(--carbon);font-weight:750;padding:8px}
.goal-button:hover{border-color:var(--carbon)}
.goal-button[aria-pressed="true"]{border:2px solid var(--carbon);background:var(--carbon);color:var(--white);box-shadow:inset 0 -4px var(--red)}
.adjustment-row{margin-top:20px}
.adjustment-row .field{max-width:300px;margin-bottom:8px}
.status-chip{display:inline-flex;border:1px solid var(--line);border-left:4px solid var(--red);padding:5px 10px;font-size:13px;font-weight:800;margin-bottom:18px}
.target-number{margin-bottom:8px}
.target-card>p:last-child{margin-bottom:0}
.reason-list{display:grid;gap:8px;margin-top:12px}
.reason-list p{border-left:3px solid var(--red);padding:3px 0 3px 12px;color:var(--graphite);font-size:14px;margin:0}
.macro-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:18px}
.macro-card{border:1px solid var(--line);border-radius:12px;padding:18px}
.macro-card h3{font-size:15px;margin-bottom:10px}
.macro-card p{font-variant-numeric:tabular-nums;font-size:32px;font-weight:850;line-height:1.15;margin:0}
.macro-card span{font-size:13px;font-weight:700;color:var(--graphite)}
.result-note,.factor-note{font-size:14px;color:var(--graphite);margin-bottom:8px}
.factor-note{font-weight:650}
#macros-unavailable{border:1px solid var(--line);border-radius:12px;padding:18px}
#macros-unavailable p:last-child{margin:0;color:var(--graphite)}
.advanced summary{font-weight:800;font-size:18px;cursor:pointer;min-height:44px;display:flex;align-items:center}
.advanced[open] summary{margin-bottom:18px}
.advanced-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.advanced-grid .field{margin-bottom:0}
.safety-note{border-left:4px solid var(--graphite);padding:10px 18px;background:#f6f7f8;margin:20px 0 0;color:var(--graphite);font-size:14px}
.safety-note p{margin:0}
.store-link-wrap{padding-top:20px}
.missing-state{max-width:620px;margin:20px auto 80px;padding:30px;text-align:center}
.missing-state p{color:var(--graphite)}
.legal-page{max-width:800px;padding-block:64px 100px;min-height:65vh}
.legal-page p:not(.eyebrow){font-size:17px;color:var(--graphite);margin-bottom:20px}
.legal-section{margin-top:36px;overflow-wrap:anywhere}
.legal-section h2{font-size:clamp(20px,3vw,26px);line-height:1.25;margin-bottom:16px}
.legal-section ul{padding-left:24px;display:grid;gap:12px}
@media(max-width:700px){.container{width:min(100% - 32px,1120px)}.header-inner{min-height:72px}.brand{width:155px;height:50px}.brand img{width:139px}.site-header nav{gap:12px}.site-header nav a{font-size:12px}.tool-intro{padding-top:38px}.article-grid,.metrics-grid{grid-template-columns:1fr}.metric-label{min-height:auto}.goal-grid{grid-template-columns:1fr 1fr}.macro-grid{grid-template-columns:1fr}.macro-card{display:flex;align-items:center;justify-content:space-between;gap:10px}.macro-card h3{margin:0}.advanced-grid{grid-template-columns:1fr}.footer-inner{flex-direction:column}.ad-slot{height:100px}.faq{padding-bottom:60px}}
@media(max-width:700px){.profile-actions{display:flex;flex-wrap:wrap;gap:4px 18px}.profile-actions p{flex:0 0 100%;min-width:0;margin:0;overflow-wrap:anywhere}}
@media(max-width:380px){.brand{width:138px}.brand img{width:122px}.site-header nav{gap:9px}.site-header nav a{font-size:11px}.segmented span{padding-inline:10px;font-size:13px}.metric-card{padding:20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}