:root{
  --rm-paper:#f2efe6;
  --rm-surface:#fffdf7;
  --rm-surface-2:#e9e4d7;
  --rm-ink:#171711;
  --rm-copy:#565449;
  --rm-line:#d9d3c4;
  --rm-yellow:#f0dd38;
  --rm-yellow-dark:#918b22;
  --rm-dark:#171713;
  --rm-green:#4f7a51;
  --rm-orange:#ae6b2f;
  --rm-red:#a84434;
  --rm-max:1180px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}

body.rm-page{
  margin:0;
  overflow-x:hidden;
  background:
    radial-gradient(circle at 8% 4%,rgba(240,221,56,.18),transparent 24%),
    var(--rm-paper);
  color:var(--rm-ink);
  font-family:"Barlow",ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}

.rm-page a{color:inherit;text-decoration:none}
.rm-page button,.rm-page input,.rm-page select{font:inherit}
.rm-page .wrap{width:min(100%,calc(var(--rm-max) + 40px));margin:0 auto;padding:0 20px}
.rm-page .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.rm-page .nav{
  position:sticky;
  top:0;
  z-index:30;
  border-bottom:1px solid rgba(255,255,255,.09);
  background:rgba(23,23,19,.96);
  backdrop-filter:blur(12px);
}
.rm-page .nav-inner{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.rm-page .brand img{width:auto;height:52px;display:block}
.rm-page .nav-links{display:flex;align-items:center;gap:24px}
.rm-page .nav-link,.rm-page .back-link{color:#d8d6cc;font-size:12px;font-weight:850;letter-spacing:.08em;text-transform:uppercase;transition:color .18s ease}
.rm-page .nav-link:hover,.rm-page .back-link:hover{color:var(--rm-yellow)}
.rm-page .back-link{display:inline-flex;align-items:center;gap:8px;color:var(--rm-yellow)}

.rm-page .btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:0 22px;
  border:1px solid var(--rm-line);
  border-radius:999px;
  background:transparent;
  color:var(--rm-ink);
  font:900 14px/1 "Barlow Condensed",sans-serif;
  letter-spacing:.055em;
  text-transform:uppercase;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.rm-page .btn::before{content:none}
.rm-page .btn:hover{transform:translateY(-2px);filter:none;box-shadow:0 10px 24px rgba(39,35,20,.11)}
.rm-page .btn.primary{border-color:var(--rm-yellow);background:var(--rm-yellow);color:var(--rm-ink);box-shadow:none}
.rm-page :is(a,button,input,select,summary):focus-visible{outline:3px solid rgba(145,139,34,.38);outline-offset:3px}

.rm-page .hero{padding:28px 0 14px}
.rm-page .card{border:1px solid var(--rm-line);border-radius:28px;background:var(--rm-surface);box-shadow:0 18px 48px rgba(39,35,20,.07)}
.rm-page .hero-card{
  position:relative;
  overflow:hidden;
  min-height:320px;
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);
  align-items:center;
  gap:40px;
  padding:clamp(34px,5vw,62px);
  background:radial-gradient(circle at 2% 4%,rgba(240,221,56,.24),transparent 32%),var(--rm-surface);
}
.rm-page .hero-card::after{content:"";position:absolute;right:-92px;top:-116px;width:280px;height:280px;border:58px solid rgba(240,221,56,.20);border-radius:50%;pointer-events:none}
.rm-page .hero-copy,.rm-page .hero-definition{position:relative;z-index:1}
.rm-page .kicker{width:fit-content;margin:0 0 20px;padding:9px 14px;border-radius:999px;background:var(--rm-yellow);color:var(--rm-ink);font:950 11px/1 "Barlow",sans-serif;letter-spacing:.11em;text-transform:uppercase}
.rm-page .h1{max-width:760px;margin:0;color:var(--rm-ink);font:900 clamp(46px,6.3vw,82px)/.94 "Barlow",sans-serif;letter-spacing:-.055em;text-transform:none}
.rm-page .h1 span{display:block;color:var(--rm-yellow-dark)}
.rm-page .hero-lead{max-width:690px;margin:22px 0 0;color:var(--rm-copy);font-size:clamp(17px,1.65vw,20px);line-height:1.55}
.rm-page .hero-definition{padding:22px;border:1px solid var(--rm-line);border-radius:20px;background:rgba(255,253,247,.74)}
.rm-page .hero-definition strong{display:block;margin-bottom:8px;color:var(--rm-ink);font-size:14px;font-weight:900}
.rm-page .hero-definition span{display:block;color:var(--rm-copy);font-size:14px;line-height:1.5}

.rm-page .calculator{scroll-margin-top:96px;padding:14px 0 30px}
.rm-page .calc-grid{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:22px;align-items:start}
.rm-page .panel{padding:clamp(26px,4vw,42px)}
.rm-page .panel-heading{margin-bottom:30px}
.rm-page .step-label{display:block;margin:0 0 8px;color:var(--rm-yellow-dark);font-size:11px;font-weight:950;letter-spacing:.12em;text-transform:uppercase}
.rm-page .section-title{margin:0;color:var(--rm-ink);font:900 clamp(30px,3.4vw,43px)/1.02 "Barlow",sans-serif;letter-spacing:-.04em;text-transform:none}
.rm-page .section-lead{margin:10px 0 0;color:var(--rm-copy);font-size:15px;line-height:1.55}

.rm-page .field-group{min-width:0;margin:0 0 30px;padding:0;border:0}
.rm-page .field-label{display:block;margin:0 0 11px;color:#4c4a42;font-size:12px;font-weight:900;letter-spacing:.075em;text-transform:uppercase}
.rm-page .field-label span{margin-left:5px;color:#8a877d;font-size:11px;font-weight:700;letter-spacing:0;text-transform:none}
.rm-page .select-input,.rm-page .text-input{
  width:100%;
  min-height:52px;
  padding:0 16px;
  border:1px solid var(--rm-line);
  border-radius:14px;
  background:var(--rm-paper);
  color:var(--rm-ink);
  font-size:16px;
  font-weight:750;
}
.rm-page .select-input{appearance:auto;cursor:pointer}
.rm-page .custom-exercise{margin-top:10px}
.rm-page .custom-exercise[hidden]{display:none}

.rm-page .number-control{display:grid;grid-template-columns:52px minmax(0,1fr) 52px;gap:9px;align-items:stretch;margin-bottom:10px}
.rm-page .stepper{
  min-height:54px;
  border:1px solid var(--rm-line);
  border-radius:14px;
  background:var(--rm-surface-2);
  color:var(--rm-ink);
  font-size:26px;
  font-weight:700;
  cursor:pointer;
  transition:background .16s ease,transform .16s ease;
}
.rm-page .stepper:hover{background:var(--rm-yellow);transform:translateY(-1px)}
.rm-page .stepper:active{transform:translateY(0)}
.rm-page .number-input-wrap{position:relative;min-width:0}
.rm-page .number-input-wrap input{
  width:100%;
  height:54px;
  padding:0 64px 0 15px;
  border:1px solid var(--rm-line);
  border-radius:14px;
  background:var(--rm-surface);
  color:var(--rm-ink);
  font-size:22px;
  font-weight:900;
  text-align:center;
  appearance:textfield;
  -moz-appearance:textfield;
}
.rm-page .number-input-wrap input::-webkit-inner-spin-button,.rm-page .number-input-wrap input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.rm-page .number-input-wrap span{position:absolute;top:50%;right:15px;transform:translateY(-50%);color:#77746a;font-size:13px;font-weight:850;pointer-events:none}

.rm-page .range{--range-progress:0%;width:100%;height:34px;margin:0;background:transparent;appearance:none;-webkit-appearance:none;cursor:pointer}
.rm-page .range::-webkit-slider-runnable-track{height:9px;border:1px solid #d0c99c;border-radius:999px;background:linear-gradient(90deg,var(--rm-yellow) 0,var(--rm-yellow) var(--range-progress),#ded9ca var(--range-progress),#ded9ca 100%)}
.rm-page .range::-webkit-slider-thumb{-webkit-appearance:none;width:26px;height:26px;margin-top:-9px;border:3px solid var(--rm-surface);border-radius:50%;background:var(--rm-dark);box-shadow:0 0 0 2px var(--rm-yellow-dark),0 5px 12px rgba(39,35,20,.18)}
.rm-page .range::-moz-range-track{height:9px;border:1px solid #d0c99c;border-radius:999px;background:#ded9ca}
.rm-page .range::-moz-range-progress{height:9px;border-radius:999px;background:var(--rm-yellow)}
.rm-page .range::-moz-range-thumb{width:22px;height:22px;border:3px solid var(--rm-surface);border-radius:50%;background:var(--rm-dark);box-shadow:0 0 0 2px var(--rm-yellow-dark)}
.rm-page .micro-note{margin:2px 0 0;color:#7a776d;font-size:12px;line-height:1.45}

.rm-page .rounding-group{margin-bottom:20px}
.rm-page .rounding-group legend{float:left;width:100%}
.rm-page .rounding-group .toggle-row{clear:both}
.rm-page .toggle-row{display:flex;gap:9px}
.rm-page .toggle{flex:1;min-width:0}
.rm-page .toggle input{position:absolute;opacity:0;pointer-events:none}
.rm-page .toggle span{min-height:44px;width:100%;display:flex;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--rm-line);border-radius:13px;background:var(--rm-paper);color:var(--rm-copy);font-size:13px;font-weight:900;cursor:pointer;transition:.16s ease}
.rm-page .toggle input:checked + span{border-color:#c6b921;background:var(--rm-yellow);color:var(--rm-ink)}
.rm-page .toggle input:focus-visible + span{outline:3px solid rgba(145,139,34,.38);outline-offset:2px}

.rm-page .goal-group legend{float:left;width:100%}
.rm-page .goal-options{clear:both;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin-bottom:10px}
.rm-page .goal-option{min-width:0}
.rm-page .goal-option input{position:absolute;opacity:0;pointer-events:none}
.rm-page .goal-option > span{min-height:84px;display:flex;flex-direction:column;justify-content:space-between;gap:10px;padding:14px;border:1px solid var(--rm-line);border-radius:15px;background:var(--rm-paper);cursor:pointer;transition:border-color .16s ease,background .16s ease,transform .16s ease}
.rm-page .goal-option strong{color:var(--rm-ink);font-size:13px;font-weight:900;line-height:1.18}
.rm-page .goal-option small{color:#77746a;font-size:11px;font-weight:850}
.rm-page .goal-option input:checked + span{border-color:#c6b921;background:#f8f0a4;box-shadow:inset 0 0 0 1px #d5c725}
.rm-page .goal-option input:checked + span small{color:#595313}
.rm-page .goal-option input:focus-visible + span{outline:3px solid rgba(145,139,34,.38);outline-offset:2px}
.rm-page .goal-option:hover > span{transform:translateY(-1px);border-color:#c6b921}

.rm-page .reliability{display:flex;align-items:flex-start;gap:12px;padding:15px;border:1px solid rgba(79,122,81,.26);border-radius:16px;background:#edf5ea}
.rm-page .reliability-dot{flex:0 0 auto;width:11px;height:11px;margin-top:4px;border-radius:50%;background:var(--rm-green);box-shadow:0 0 0 5px rgba(79,122,81,.12)}
.rm-page .reliability strong{display:block;color:#28492d;font-size:14px;font-weight:900}
.rm-page .reliability p{margin:4px 0 0;color:#526353;font-size:12px;line-height:1.45}
.rm-page .reliability[data-level="fair"]{border-color:rgba(174,107,47,.28);background:#fbf1e4}
.rm-page .reliability[data-level="fair"] .reliability-dot{background:var(--rm-orange);box-shadow:0 0 0 5px rgba(174,107,47,.12)}
.rm-page .reliability[data-level="fair"] strong{color:#70431f}
.rm-page .reliability[data-level="fair"] p{color:#745a43}
.rm-page .reliability[data-level="wide"]{border-color:rgba(168,68,52,.28);background:#faece9}
.rm-page .reliability[data-level="wide"] .reliability-dot{background:var(--rm-red);box-shadow:0 0 0 5px rgba(168,68,52,.12)}
.rm-page .reliability[data-level="wide"] strong{color:#782e25}
.rm-page .reliability[data-level="wide"] p{color:#7b514b}

.rm-page .formula-box{margin-top:12px;border:1px solid var(--rm-line);border-radius:16px;background:var(--rm-surface-2);color:var(--rm-copy);font-size:13px;line-height:1.5}
.rm-page .formula-box summary{padding:15px 17px;color:var(--rm-ink);font-weight:900;cursor:pointer}
.rm-page .formula-content{padding:0 17px 16px}
.rm-page .formula-content p{margin:0}
.rm-page .formula-content p + p{margin-top:8px}

.rm-page .result-panel{scroll-margin-top:96px}
.rm-page .result-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:24px}
.rm-page .reset-button{min-height:40px;padding:0 14px;border:1px solid var(--rm-line);border-radius:999px;background:transparent;color:var(--rm-copy);font-size:12px;font-weight:850;cursor:pointer}
.rm-page .reset-button:hover{border-color:var(--rm-yellow-dark);color:var(--rm-ink)}
.rm-page .main-result{padding:clamp(24px,3.5vw,34px);border:1px solid #d3c32e;border-radius:22px;background:var(--rm-yellow)}
.rm-page .result-context{margin:0;color:#514d17;font-size:12px;font-weight:900;letter-spacing:.075em;text-transform:uppercase}
.rm-page .main-result-value{margin:8px 0 0;color:var(--rm-ink);font:900 clamp(58px,7vw,82px)/.92 "Barlow",sans-serif;letter-spacing:-.055em}
.rm-page .result-range{margin:16px 0 0;color:#514d17;font-size:14px;line-height:1.4}
.rm-page .result-range strong{color:var(--rm-ink)}
.rm-page .result-set{margin:7px 0 0;color:#686123;font-size:12px;font-weight:700}

.rm-page .training-recommendation{margin-top:12px;padding:22px;border:1px solid #d7ca50;border-radius:20px;background:#f8f3cb}
.rm-page .recommendation-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}
.rm-page .recommendation-kicker{display:block;margin-bottom:4px;color:#77701c;font-size:10px;font-weight:950;letter-spacing:.1em;text-transform:uppercase}
.rm-page .recommendation-heading h3{margin:0;color:var(--rm-ink);font-size:22px;font-weight:900;letter-spacing:-.025em}
.rm-page .recommendation-goal{flex:0 0 auto;padding:7px 10px;border-radius:999px;background:var(--rm-yellow);color:#4d4811;font-size:10px;font-weight:950;letter-spacing:.055em;text-transform:uppercase}
.rm-page .recommendation-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:10px}
.rm-page .recommendation-stat{min-width:0;padding:15px;border:1px solid rgba(145,139,34,.28);border-radius:15px;background:rgba(255,253,247,.72)}
.rm-page .recommendation-stat span{display:block;color:#77746a;font-size:10px;font-weight:900;letter-spacing:.07em;text-transform:uppercase}
.rm-page .recommendation-stat strong{display:block;margin-top:5px;color:var(--rm-ink);font-size:24px;font-weight:900;line-height:1}
.rm-page .recommendation-primary{background:var(--rm-yellow);border-color:#d1c329}
.rm-page .recommendation-primary span{color:#5c5618}
.rm-page .recommendation-primary strong{font-size:34px}
.rm-page .recommendation-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.rm-page .recommendation-meta span{padding:7px 10px;border:1px solid rgba(145,139,34,.25);border-radius:999px;background:rgba(255,253,247,.58);color:#5c591f;font-size:11px;font-weight:850}
.rm-page .recommendation-text{margin:13px 0 0;color:#5e5a35;font-size:12px;line-height:1.55}

.rm-page .zones{scroll-margin-top:96px;margin-top:24px}
.rm-page .zones-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:10px}
.rm-page .zones-heading h3{margin:0;color:var(--rm-ink);font-size:20px;font-weight:900}
.rm-page .zones-heading span{color:#858278;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.08em}
.rm-page .zone-list{overflow:hidden;border:1px solid var(--rm-line);border-radius:18px;background:var(--rm-line)}
.rm-page .zone-row{display:grid;grid-template-columns:54px 90px minmax(0,1fr);align-items:center;gap:12px;padding:12px 15px;background:var(--rm-surface)}
.rm-page .zone-row + .zone-row{border-top:1px solid var(--rm-line)}
.rm-page .zone-pct{width:46px;padding:6px 7px;border-radius:999px;background:var(--rm-surface-2);color:#6a675d;font-size:11px;font-weight:950;text-align:center}
.rm-page .zone-row strong{color:var(--rm-ink);font-size:17px;font-weight:900}
.rm-page .zone-row > span:last-child{color:var(--rm-copy);font-size:13px}
.rm-page .zone-row:nth-last-child(-n+2){background:#faf7e6}

.rm-page .result-disclaimer{margin-top:16px;padding:14px 16px;border-left:3px solid var(--rm-yellow-dark);border-radius:0 12px 12px 0;background:var(--rm-paper);color:#716e64;font-size:12px;line-height:1.5}

.rm-page .guidance-section{padding:0 0 72px}
.rm-page .guidance-card{display:flex;align-items:center;justify-content:space-between;gap:36px;padding:clamp(30px,5vw,52px);border-radius:28px;background:var(--rm-dark);color:#fffdf7}
.rm-page .dark-kicker{margin-bottom:16px;background:rgba(240,221,56,.12);color:var(--rm-yellow)}
.rm-page .guidance-card h2{max-width:700px;margin:0;font:900 clamp(32px,4vw,50px)/1 "Barlow",sans-serif;letter-spacing:-.04em}
.rm-page .guidance-card p{max-width:670px;margin:13px 0 0;color:#c3c1b7;font-size:16px;line-height:1.55}
.rm-page .guidance-card .btn{flex:0 0 auto}

.rm-page footer{padding:32px 0 38px;background:var(--rm-dark);color:#aaa89e;font-size:13px}
.rm-page .footer-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.rm-page .footer-links{display:flex;gap:18px;flex-wrap:wrap}
.rm-page .footer-links a:hover{color:var(--rm-yellow)}

@media (max-width:980px){
  .rm-page .hero-card{grid-template-columns:1fr;gap:24px}
  .rm-page .hero-definition{max-width:620px}
  .rm-page .calc-grid{grid-template-columns:1fr}
  .rm-page .input-panel,.rm-page .result-panel{scroll-margin-top:84px}
}

@media (max-width:760px){
  .rm-page .wrap{padding:0 15px}
  .rm-page .nav-inner{min-height:68px}
  .rm-page .brand img{height:44px}
  .rm-page .nav-links{display:none}
  .rm-page .back-link{font-size:10px}
  .rm-page .hero{padding:15px 0 10px}
  .rm-page .card,.rm-page .hero-card,.rm-page .guidance-card{border-radius:22px}
  .rm-page .hero-card{min-height:0;padding:30px 23px}
  .rm-page .hero-card::after{width:190px;height:190px;right:-95px;top:-102px;border-width:40px}
  .rm-page .h1{font-size:clamp(43px,13vw,61px)}
  .rm-page .hero-lead{font-size:16px}
  .rm-page .hero-definition{padding:17px}
  .rm-page .calculator{padding-bottom:22px}
  .rm-page .panel{padding:28px 21px}
  .rm-page .section-title{font-size:34px}
  .rm-page .number-control{grid-template-columns:50px minmax(0,1fr) 50px}
  .rm-page .recommendation-grid{grid-template-columns:1fr 1fr}
  .rm-page .zone-row{grid-template-columns:50px 74px minmax(0,1fr);gap:9px;padding:12px}
  .rm-page .zone-row strong{font-size:15px}
  .rm-page .zone-row > span:last-child{font-size:12px}
  .rm-page .guidance-section{padding-bottom:50px}
  .rm-page .guidance-card{align-items:stretch;flex-direction:column;gap:24px;padding:30px 23px}
  .rm-page .guidance-card .btn{width:100%}
}

@media (max-width:410px){
  .rm-page .back-link span{display:none}
  .rm-page .toggle-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
  .rm-page .goal-options{grid-template-columns:1fr}
  .rm-page .goal-option > span{min-height:0;flex-direction:row;align-items:center;padding:13px 14px}
  .rm-page .recommendation-heading{display:block}
  .rm-page .recommendation-goal{display:inline-flex;margin-top:10px}
  .rm-page .recommendation-grid{grid-template-columns:1fr}
  .rm-page .zone-row{grid-template-columns:46px 68px minmax(0,1fr);gap:7px;padding:11px 9px}
  .rm-page .zone-pct{width:42px}
}

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