:root{
  --tangerine:#F25A02; --tangerine-deep:#C24700; --onyx:#161616;
  --tuscan:#F9C902; --tint:#FFF1E5; --cream:#ECEBE6;
  --slate:#49535E; --white:#FFFFFF; --hair:rgba(73,83,94,0.26);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;background:var(--cream);color:var(--onyx);
  font-family:'Inter',Arial,sans-serif;font-size:17px;line-height:1.7;
  font-feature-settings:'kern','calt','liga';}
.wrap{max-width:1040px;margin:0 auto;padding:0 28px;}
.narrow{max-width:780px;}
p{margin:0 0 18px;}
h1,h2,h3,h4{font-family:'Fraunces',Georgia,serif;font-weight:600;letter-spacing:-0.3px;}
strong,b{font-weight:600;}
a{color:var(--tangerine-deep);}

/* prototype banner */
.proto{background:var(--tuscan);color:var(--onyx);padding:11px 0;font-size:14px;}
.proto .wrap{display:flex;gap:14px;align-items:baseline;flex-wrap:wrap;}
.proto b{text-transform:uppercase;letter-spacing:1.2px;font-size:14px;}
.proto span{opacity:0.85;}

/* nav */
nav{background:var(--onyx);color:var(--cream);padding:18px 0;}
nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;}
.mark{font-family:'Fraunces',Georgia,serif;font-size:22px;font-weight:600;
  color:var(--cream);text-decoration:none;}
.mark em{font-style:italic;color:var(--tangerine);}
.navlinks{display:flex;gap:20px;align-items:center;font-size:14px;
  letter-spacing:1.1px;text-transform:uppercase;font-weight:600;}
.navlinks a{color:rgba(236,235,230,0.72);text-decoration:none;}
.navlinks a:hover,.navlinks a.on{color:var(--cream);}

/* hero */
header.hero{background:var(--onyx);color:var(--cream);padding:74px 0 80px;}
.eyebrow{font-size:14px;letter-spacing:1.7px;text-transform:uppercase;
  color:var(--tuscan);margin:0 0 22px;font-weight:600;}
header.hero h1{font-size:54px;line-height:1.08;margin:0 0 26px;max-width:21ch;}
header.hero h1 em{font-style:italic;color:var(--tangerine);}
.sub{font-size:20px;line-height:1.55;color:rgba(236,235,230,0.82);max-width:58ch;margin:0 0 32px;}
.gate{margin-top:30px;padding-top:24px;border-top:1px solid rgba(236,235,230,0.2);
  font-size:16px;color:rgba(236,235,230,0.72);max-width:64ch;}
.gate b{color:var(--cream);}

/* page head (inner pages) */
.phead{background:var(--onyx);color:var(--cream);padding:58px 0 62px;}
.phead h1{font-size:44px;line-height:1.1;margin:0 0 18px;max-width:24ch;}
.phead h1 em{font-style:italic;color:var(--tangerine);}
.phead p{color:rgba(236,235,230,0.8);max-width:62ch;font-size:19px;line-height:1.55;margin:0;}

/* buttons */
.btn{display:inline-block;background:var(--tangerine);color:var(--white);
  border:0;border-radius:8px;padding:16px 26px;font-family:'Inter',Arial,sans-serif;
  font-size:14px;letter-spacing:1.2px;text-transform:uppercase;font-weight:600;
  text-decoration:none;cursor:pointer;line-height:1;}
.btn:hover{background:var(--tangerine-deep);}
.btn:disabled{background:var(--slate);opacity:0.45;cursor:not-allowed;}
.btn-ghost{background:transparent;border:1px solid rgba(236,235,230,0.5);color:var(--cream);}
.btn-ghost:hover{background:rgba(236,235,230,0.12);}
.btn-dark{background:var(--onyx);color:var(--cream);}
.btn-dark:hover{background:#000;}

/* sections */
section{padding:78px 0;}
section.alt{background:var(--onyx);color:var(--cream);}
section.alt h2,section.alt h3,section.alt h4{color:var(--cream);}
section.alt .lead,section.alt p{color:rgba(236,235,230,0.84);}
section.tintbg{background:var(--tint);}
.num{font-size:14px;letter-spacing:1.7px;text-transform:uppercase;
  color:var(--tangerine-deep);font-weight:600;margin:0 0 12px;}
section.alt .num{color:var(--tuscan);}
h2{font-size:38px;line-height:1.14;margin:0 0 22px;max-width:26ch;}
h2 em{font-style:italic;color:var(--tangerine-deep);}
section.alt h2 em{color:var(--tangerine);}
h3{font-size:26px;line-height:1.25;margin:34px 0 12px;}
h4{font-size:20px;margin:26px 0 8px;}
.lead{font-size:20px;line-height:1.55;max-width:64ch;}
.muted{color:var(--slate);}
section.alt .muted{color:rgba(236,235,230,0.6);}
.rule{height:1px;background:var(--hair);border:0;margin:54px 0;}

/* the loop */
.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:36px 0 0;}
.lstep{background:var(--white);border-radius:14px;padding:24px 22px;position:relative;}
section.alt .lstep{background:#242424;}
.lstep .k{font-size:14px;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--tangerine-deep);font-weight:600;margin:0 0 8px;}
section.alt .lstep .k{color:var(--tangerine);}
.lstep h4{font-family:'Fraunces',Georgia,serif;font-size:22px;margin:0 0 8px;}
.lstep p{font-size:16px;margin:0;color:var(--slate);}
section.alt .lstep p{color:rgba(236,235,230,0.76);}
.loopends{display:flex;gap:14px;align-items:center;justify-content:space-between;
  margin-top:22px;font-size:16px;color:var(--slate);flex-wrap:wrap;}
section.alt .loopends{color:rgba(236,235,230,0.7);}

/* contracts */
.contract{background:var(--white);border-radius:16px;padding:26px 30px;margin-bottom:14px;
  display:grid;grid-template-columns:150px 1fr;gap:26px;align-items:start;}
.contract .rung{font-family:'Fraunces',Georgia,serif;font-size:27px;font-weight:600;line-height:1.1;}
.contract .rung span{display:block;font-family:'Inter',Arial,sans-serif;font-size:14px;
  font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:var(--tangerine-deep);
  margin-bottom:6px;}
.contract .promise{font-family:'Fraunces',Georgia,serif;font-size:21px;line-height:1.45;margin:0 0 14px;}
.contract .meta{display:flex;gap:30px;flex-wrap:wrap;font-size:16px;color:var(--slate);}
.contract .meta b{color:var(--onyx);display:block;font-size:14px;letter-spacing:1.2px;
  text-transform:uppercase;margin-bottom:3px;}

/* tables */
table{width:100%;border-collapse:collapse;margin:24px 0;font-size:16px;}
thead th{background:var(--onyx);color:var(--cream);text-align:left;font-weight:600;
  font-size:14px;letter-spacing:1.2px;text-transform:uppercase;padding:13px 15px;}
thead th:first-child{border-radius:8px 0 0 0;} thead th:last-child{border-radius:0 8px 0 0;}
tbody td{padding:13px 15px;border-bottom:1px solid var(--hair);vertical-align:top;}
tbody tr:nth-child(even){background:var(--tint);}
tbody tr:nth-child(odd){background:var(--white);}
td.k{font-weight:600;white-space:nowrap;}
section.alt thead th{background:transparent;color:var(--tuscan);}
section.alt tbody td,section.alt tbody td b{color:var(--onyx);}
section.alt tbody td a{color:var(--tangerine-deep);}

/* cards, callouts */
.card{background:var(--white);border-radius:16px;padding:28px 30px;margin-bottom:16px;}
.warn{background:var(--tint);border-radius:14px;padding:22px 26px;margin:26px 0;
  border-left:4px solid var(--tangerine);}
.warn p{margin:0;font-size:16px;}
.warn p+p{margin-top:10px;}
.warn b{color:var(--tangerine-deep);}
.never{background:var(--onyx);color:var(--cream);border-radius:14px;padding:22px 26px;margin:26px 0;}
.never span{display:block;font-size:14px;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--tuscan);font-weight:600;margin-bottom:8px;}
.never p{margin:0;color:rgba(236,235,230,0.86);max-width:none;}
.quote{border-left:3px solid var(--tangerine);padding:6px 0 6px 22px;margin:26px 0;
  font-family:'Fraunces',Georgia,serif;font-size:22px;line-height:1.45;max-width:62ch;}
.pullquote{background:var(--onyx);color:var(--cream);border-radius:16px;padding:34px 38px;margin:28px 0;}
.pullquote p{font-family:'Fraunces',Georgia,serif;font-size:24px;line-height:1.45;
  color:var(--cream);margin:0;max-width:none;}
.pullquote p em{font-style:italic;color:var(--tuscan);}

ul.plain{margin:18px 0;padding-left:0;list-style:none;max-width:70ch;}
ul.plain li{position:relative;padding-left:26px;margin-bottom:12px;font-size:16px;}
ul.plain li::before{content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;
  border-radius:50%;background:var(--tangerine);}
section.alt ul.plain li{color:rgba(236,235,230,0.84);}

.two{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:32px;}
.yes,.no{border-radius:14px;padding:26px 28px;}
.yes{background:var(--white);} .no{background:var(--tint);}
.yes h3,.no h3{font-size:21px;margin:0 0 14px;}
.yes ul,.no ul{margin:0;padding-left:0;list-style:none;}
.yes li,.no li{position:relative;padding-left:26px;margin-bottom:11px;font-size:16px;}
.yes li::before{content:"";position:absolute;left:4px;top:10px;width:7px;height:7px;
  border-radius:50%;background:var(--tangerine);}
.no li::before{content:"";position:absolute;left:3px;top:12px;width:10px;height:2px;background:var(--slate);}

.chip{display:inline-block;background:var(--tuscan);color:var(--onyx);border-radius:999px;
  padding:5px 12px;font-size:12px;letter-spacing:0.7px;text-transform:uppercase;
  font-weight:600;line-height:1;}
.chip.dark{background:var(--onyx);color:var(--cream);}

.ph{background:var(--tint);border:1px dashed var(--tangerine);border-radius:14px;
  padding:22px 26px;margin:22px 0;font-size:16px;color:var(--slate);}
.ph b{color:var(--tangerine-deep);text-transform:uppercase;letter-spacing:1.2px;font-size:14px;
  display:block;margin-bottom:8px;}

footer{background:var(--onyx);color:rgba(236,235,230,0.62);padding:54px 0;font-size:15px;}
footer .mark{margin-bottom:16px;display:inline-block;}
footer p{max-width:64ch;}
footer a{color:rgba(236,235,230,0.82);}

.cta{background:var(--onyx);color:var(--cream);padding:66px 0;text-align:center;}
.cta h2{color:var(--cream);margin:0 auto 18px;max-width:22ch;}
.cta h2 em{font-style:italic;color:var(--tangerine);}
.cta p{color:rgba(236,235,230,0.82);max-width:58ch;margin:0 auto 30px;font-size:18px;}

@media (max-width:900px){
  .loop{grid-template-columns:1fr 1fr;}
}
@media (max-width:760px){
  header.hero h1{font-size:34px;} .phead h1{font-size:30px;} h2{font-size:27px;}
  .loop,.two{grid-template-columns:1fr;}
  .contract{grid-template-columns:1fr;gap:14px;}
  nav .wrap{flex-direction:column;align-items:flex-start;gap:12px;}
  .navlinks{gap:18px;width:100%;overflow-x:auto;padding-bottom:4px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;}
  .navlinks::-webkit-scrollbar{display:none;}
  .navlinks a{white-space:nowrap;}
  .pullquote p{font-size:20px;} .quote{font-size:19px;}
  table{font-size:15px;}
}
@media print{
  body{background:#fff;font-size:10.5pt;}
  nav,.proto,footer,.cta{display:none;}
  section{page-break-inside:avoid;padding:20px 0;}
}

/* muscle blocks */
.msc{border-top:2px solid var(--onyx);padding-top:30px;margin-top:62px;}
.msc:first-of-type{margin-top:34px;}
.msc .phase{font-size:14px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--tangerine-deep);font-weight:600;margin:0 0 8px;}
.msc h2{margin-bottom:14px;}
.msc .def{font-family:'Fraunces',Georgia,serif;font-size:24px;line-height:1.45;
  max-width:60ch;margin:0 0 22px;}
.test{background:var(--onyx);color:var(--cream);border-radius:16px;padding:26px 30px;margin:26px 0;}
.test span{display:block;font-size:14px;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--tuscan);font-weight:600;margin-bottom:10px;}
.test p{margin:0;color:var(--cream);font-family:'Fraunces',Georgia,serif;
  font-size:21px;line-height:1.45;max-width:60ch;}
.fakes{background:var(--white);border-radius:16px;padding:26px 30px;margin:26px 0;}
.fakes h4{margin:0 0 14px;font-size:19px;}
.fakes ul{margin:0;padding-left:0;list-style:none;}
.fakes li{position:relative;padding-left:28px;margin-bottom:12px;font-size:16px;}
.fakes li::before{content:"\00d7";position:absolute;left:4px;top:-1px;
  color:var(--tangerine-deep);font-weight:700;font-size:18px;}
.fakes li b{display:block;}
.jump{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 0;}
.jump a{display:inline-block;background:var(--white);border:1px solid var(--hair);
  border-radius:999px;padding:9px 16px;font-size:14px;font-weight:600;
  letter-spacing:0.6px;text-decoration:none;color:var(--onyx);}
.jump a:hover{background:var(--onyx);color:var(--cream);border-color:var(--onyx);}
.phead .jump a{background:rgba(236,235,230,0.1);border-color:rgba(236,235,230,0.3);color:var(--cream);}
.phead .jump a:hover{background:var(--cream);color:var(--onyx);}
.phead .jump{margin-top:26px;}

/* failure mode block inside contracts */
.fail{background:var(--tint);border-radius:10px;padding:16px 20px;margin-top:16px;font-size:16px;}
.fail b{display:block;font-size:14px;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--tangerine-deep);margin-bottom:5px;}
.move{background:var(--onyx);color:var(--cream);border-radius:10px;padding:16px 20px;
  margin-top:12px;font-size:16px;}
.move b{display:block;font-size:14px;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--tuscan);margin-bottom:5px;}
.move p{margin:0;color:rgba(236,235,230,0.9);}
.contract.full{grid-template-columns:170px 1fr;}

/* ===== placement exercise ===== */
.progress{position:sticky;top:0;z-index:40;background:var(--onyx);
  border-bottom:1px solid rgba(236,235,230,0.18);padding:12px 0;}
.progress .wrap{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.ptrack{flex:1;min-width:160px;height:6px;background:rgba(236,235,230,0.18);border-radius:3px;overflow:hidden;}
.pfill{height:100%;width:0;background:var(--tangerine);border-radius:3px;transition:width .25s ease;}
.plabel{font-size:14px;letter-spacing:1.2px;text-transform:uppercase;font-weight:600;
  color:rgba(236,235,230,0.8);}

.step{display:none;}
.step.on{display:block;}
.stepnum{font-size:14px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--tangerine-deep);font-weight:600;margin:0 0 10px;}

.winbox{background:var(--white);border-radius:16px;padding:26px 28px;margin-bottom:18px;}
.winbox.alt2{background:var(--tint);}
.winbox h4{margin:0 0 6px;font-size:20px;}
.winbox .hint{font-size:15px;color:var(--slate);margin:0 0 16px;max-width:64ch;}
label.fl{display:block;font-size:14px;letter-spacing:1.1px;text-transform:uppercase;
  font-weight:600;margin:16px 0 6px;color:var(--onyx);}
label.fl span{text-transform:none;letter-spacing:0;font-weight:400;color:var(--slate);
  font-size:15px;display:block;margin-top:3px;}
input[type=text],textarea{width:100%;font-family:'Inter',Arial,sans-serif;font-size:16px;
  line-height:1.55;padding:12px 14px;border:1px solid var(--hair);border-radius:8px;
  background:var(--cream);color:var(--onyx);resize:vertical;}
.winbox.alt2 input[type=text],.winbox.alt2 textarea{background:var(--white);}
input[type=text]:focus,textarea:focus{outline:2px solid var(--tangerine);outline-offset:1px;border-color:var(--tangerine);}
textarea{min-height:76px;}

.opts{margin-top:8px;}
.opt{display:flex;gap:12px;align-items:flex-start;background:var(--cream);
  border:1px solid var(--hair);border-radius:10px;padding:13px 16px;margin-bottom:9px;cursor:pointer;}
.winbox.alt2 .opt{background:var(--white);}
.opt:hover{border-color:var(--tangerine);}
.opt input{margin:4px 0 0;accent-color:var(--tangerine);flex:none;}
.opt span{font-size:16px;line-height:1.5;}
.opt.sel{border-color:var(--tangerine);box-shadow:inset 0 0 0 1px var(--tangerine);}
.opt.none.sel{border-color:var(--slate);box-shadow:inset 0 0 0 1px var(--slate);}

.mrow{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:8px;}
.mopt{background:var(--cream);border:1px solid var(--hair);border-radius:10px;
  padding:13px 14px;cursor:pointer;text-align:left;}
.winbox.alt2 .mopt{background:var(--white);}
.mopt b{display:block;font-family:'Fraunces',Georgia,serif;font-size:18px;margin-bottom:3px;}
.mopt em{font-style:normal;font-size:14px;color:var(--slate);line-height:1.4;display:block;}
.mopt.sel{border-color:var(--tangerine);box-shadow:inset 0 0 0 1px var(--tangerine);}
.mopt input{display:none;}

.nav2{display:flex;gap:12px;align-items:center;margin-top:30px;flex-wrap:wrap;}
.err{background:var(--tint);border-left:4px solid var(--tangerine);border-radius:10px;
  padding:14px 18px;margin-top:18px;font-size:16px;display:none;}
.err.on{display:block;}

/* results */
.verdict{background:var(--onyx);color:var(--cream);border-radius:18px;padding:36px 38px;margin:8px 0 26px;}
.verdict .k{font-size:14px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--tuscan);font-weight:600;margin:0 0 10px;}
.verdict h3{font-family:'Fraunces',Georgia,serif;font-size:42px;margin:0 0 14px;color:var(--cream);}
.verdict p{color:rgba(236,235,230,0.86);margin:0;max-width:62ch;font-size:18px;}
.verdict .cap{margin-top:18px;padding-top:16px;border-top:1px solid rgba(236,235,230,0.22);
  font-size:16px;color:rgba(236,235,230,0.72);}

.meter{margin:10px 0 0;}
.mline{display:flex;align-items:center;gap:14px;margin-bottom:12px;}
.mname{display:block;width:110px;flex:none;font-weight:600;font-size:16px;}
.mtrack{display:block;flex:1;height:14px;background:var(--tint);border-radius:7px;overflow:hidden;}
.mfill{display:block;height:100%;background:var(--tangerine);border-radius:7px;min-width:9px;}
.mfill.q{background:var(--slate);opacity:0.4;}
.mfill.b{background:var(--tangerine);}
.mstate{display:block;width:82px;flex:none;text-align:right;font-size:14px;letter-spacing:1.1px;
  text-transform:uppercase;font-weight:600;color:var(--slate);}

.sentence{background:var(--tint);border-radius:16px;padding:28px 30px;margin:26px 0;}
.sentence p{font-family:'Fraunces',Georgia,serif;font-size:21px;line-height:1.5;margin:0;}
.sentence .blank{color:var(--tangerine-deep);font-style:italic;}

@media (max-width:760px){
  .mrow{grid-template-columns:1fr 1fr;}
  .verdict h3{font-size:30px;} .verdict{padding:26px 24px;}
  .mname{width:82px;font-size:15px;} .mstate{width:66px;font-size:12px;}
}
/* positive list inside a tint column (not a "not a fit" list) */
.no.pos li::before{content:"";position:absolute;left:4px;top:10px;width:7px;height:7px;
  border-radius:50%;background:var(--tangerine);}