/* ============================================================
   PB PROTOCOL — protein quiz funnel
   ============================================================ */

:root{
  --bg:#09090B;
  --bg-2:#101013;
  --card:#151519;
  --line:#26262C;
  --line-2:#34343C;
  --fg:#FAFAF7;
  --muted:#8B8B95;
  --accent:#FF3D14;
  --accent-ink:#FFFFFF;
  --accent-soft:rgba(255,61,20,.13);

  --pad:22px;
  --maxw:520px;
  --r:14px;
  --safe-b:env(safe-area-inset-bottom,0px);
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:Archivo,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}

button{font:inherit;color:inherit}

::selection{background:var(--accent);color:#fff}

/* ---------- screens ---------- */
.screen{display:none;min-height:100svh}
.screen.is-active{display:block}

.wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--pad);
}

/* ---------- shared type ---------- */
.eyebrow{
  margin:0 0 10px;
  font-size:11px;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.eyebrow.center{text-align:center}

.h2{
  margin:0 0 18px;
  font-size:clamp(22px,6.4vw,28px);
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.08;
  text-transform:uppercase;
}

.lede{margin:0 0 14px;font-size:18px;line-height:1.5;color:#DEDEDA}
.lede.strong{color:var(--fg);font-weight:700}
.lede:last-child{margin-bottom:0}

.fine{margin:14px 0 0;font-size:13px;color:var(--muted)}

.disclaimer{
  margin:14px 0 0;
  font-size:12px;
  line-height:1.45;
  color:var(--muted);
  text-align:center;
}

.block{padding:38px 0;border-top:1px solid var(--line)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border:0;
  border-radius:999px;
  padding:19px 26px;
  font-size:16px;
  font-weight:900;
  letter-spacing:.045em;
  text-transform:uppercase;
  text-decoration:none;
  cursor:pointer;
  transition:transform .12s ease,filter .12s ease,background .12s ease;
  touch-action:manipulation;
  -webkit-tap-highlight-color:transparent;
}
.btn:active{transform:scale(.975)}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 10px 30px -12px rgba(255,61,20,.85)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-block{display:flex;width:100%}
.btn-sm{padding:14px 20px;font-size:14px;white-space:nowrap}
.btn:disabled{opacity:.35;pointer-events:none;box-shadow:none}
.arw{transition:transform .16s ease}
.btn:hover .arw{transform:translateX(4px)}

.btn-ghost{
  background:transparent;
  border:1px solid var(--line-2);
  color:var(--fg);
  box-shadow:none;
}
.btn-ghost:hover{border-color:var(--fg);filter:none}

.share-row{margin-top:14px}
.share-hint{
  margin:10px 0 0;
  font-size:13px;line-height:1.4;
  color:var(--muted);
  text-align:center;
}

.linkish{
  background:none;border:0;padding:0;
  color:var(--muted);text-decoration:underline;
  text-underline-offset:3px;cursor:pointer;font-size:14px;
}
.linkish:hover{color:var(--fg)}

/* ============================================================
   LANDING
   ============================================================ */
.landing{
  min-height:100svh;
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding-top:34px;
  padding-bottom:34px;
}

.brand{margin-bottom:auto;padding-bottom:40px}
.brand-mark{
  display:block;
  font-size:13px;font-weight:900;letter-spacing:.24em;
}
.brand-mark.sm{font-size:11px;letter-spacing:.2em;color:var(--muted)}

.hero-h1{
  margin:0 0 20px;
  font-size:clamp(42px,13.5vw,66px);
  line-height:.93;
  font-weight:900;
  letter-spacing:-.035em;
  text-transform:uppercase;
}
.hero-h1 em{font-style:normal;color:var(--accent)}

.hero-sub{
  margin:0 0 24px;
  font-size:19px;line-height:1.42;
  color:#D5D5D0;
  max-width:22em;
}

.hero-chips{
  list-style:none;margin:0 0 30px;padding:0;
  display:flex;flex-wrap:wrap;gap:8px;
}
.hero-chips li{
  border:1px solid var(--line-2);
  border-radius:999px;
  padding:7px 13px;
  font-size:12.5px;font-weight:600;
  color:#C8C8C3;
}

.hero-foot{margin:16px 0 0;font-size:12.5px;color:var(--muted);text-align:center}

/* ============================================================
   QUIZ
   ============================================================ */
.quiz-bar{
  position:sticky;top:0;z-index:20;
  background:linear-gradient(var(--bg) 76%,rgba(9,9,11,0));
  display:flex;align-items:center;gap:14px;
  width:100%;max-width:var(--maxw);
  margin:0 auto;
  padding:18px var(--pad) 20px;
}

.icon-btn{
  flex:none;
  width:38px;height:38px;
  border:1px solid var(--line-2);
  border-radius:50%;
  background:transparent;
  font-size:17px;line-height:1;
  cursor:pointer;
  transition:border-color .15s ease,opacity .15s ease;
}
.icon-btn:hover{border-color:var(--fg)}
.icon-btn[hidden]{visibility:hidden;display:block}

.progress{flex:1;height:3px;background:var(--line);border-radius:2px;overflow:hidden}
.progress-fill{
  height:100%;width:16.6%;
  background:var(--accent);
  border-radius:2px;
  transition:width .32s cubic-bezier(.4,0,.2,1);
}

.quiz-count{
  flex:none;
  font-size:12px;font-weight:800;letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}
.quiz-count i{font-style:normal;color:var(--muted)}

.quiz-body{padding-bottom:44px}

.q-enter{animation:qin .3s cubic-bezier(.2,.7,.3,1) both}
@keyframes qin{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.q-title{
  margin:12px 0 8px;
  font-size:clamp(27px,7.6vw,34px);
  line-height:1.1;
  font-weight:900;
  letter-spacing:-.028em;
}
.q-help{margin:0 0 26px;font-size:15px;color:var(--muted)}

/* options */
.opts{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.opt{
  display:flex;align-items:center;gap:13px;
  width:100%;
  text-align:left;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:18px 18px;
  font-size:16.5px;font-weight:600;
  line-height:1.3;
  cursor:pointer;
  transition:border-color .14s ease,background .14s ease,transform .1s ease;
  -webkit-tap-highlight-color:transparent;
}
.opt:hover{border-color:var(--line-2);background:#1B1B20}
.opt:active{transform:scale(.99)}
.opt.is-picked{border-color:var(--accent);background:var(--accent-soft)}
.opt-emo{flex:none;font-size:21px;line-height:1}

/* weight input */
.weight{
  display:flex;align-items:baseline;gap:12px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:10px 20px;
  transition:border-color .14s ease;
}
.weight:focus-within{border-color:var(--accent)}
.weight input{
  flex:1;min-width:0;
  background:none;border:0;outline:none;
  color:var(--fg);
  font-family:inherit;
  font-size:44px;font-weight:900;letter-spacing:-.03em;
  padding:14px 0;
  -moz-appearance:textfield;
}
.weight input::-webkit-outer-spin-button,
.weight input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.weight input::placeholder{color:#3A3A42}
.weight-unit{flex:none;font-size:17px;font-weight:800;color:var(--muted);letter-spacing:.06em}

.err{
  margin:12px 0 0;
  min-height:20px;
  font-size:14px;font-weight:600;
  color:#FF6B47;
}
.q-actions{margin-top:20px}

/* ============================================================
   RESULT
   ============================================================ */
.result{padding-top:28px;padding-bottom:130px}

.scorecard{
  position:relative;
  background:
    radial-gradient(120% 90% at 50% -10%,rgba(255,61,20,.16),transparent 62%),
    var(--bg-2);
  border:1px solid var(--line);
  border-radius:22px;
  padding:24px 22px 26px;
  overflow:hidden;
}
.scorecard-top{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:26px;
}
.flag{font-size:15px;line-height:1}

.score-num{
  display:flex;align-items:baseline;gap:6px;
  margin:0 0 26px;
  font-weight:900;
  letter-spacing:-.05em;
  line-height:.84;
  font-variant-numeric:tabular-nums;
}
.score-num span{font-size:clamp(84px,26vw,120px)}
.score-num i{font-style:normal;font-size:clamp(22px,6vw,28px);color:var(--muted);letter-spacing:-.02em}
.score-num.is-unknown span{color:var(--accent)}

/* meter */
.meter-track{
  position:relative;
  height:12px;
  background:var(--line);
  border-radius:99px;
  overflow:hidden;
}
.meter-fill{
  height:100%;width:0;
  background:linear-gradient(90deg,#FF6A33,var(--accent));
  border-radius:99px;
  transition:width .85s cubic-bezier(.22,.9,.3,1) .12s;
}
.meter-zone{
  position:absolute;top:0;bottom:0;
  background:rgba(255,61,20,.20);
  border-left:2px solid rgba(255,61,20,.6);
}
.meter-fill{position:relative;z-index:1}
.meter.is-unknown .meter-track{
  background:repeating-linear-gradient(105deg,var(--line) 0 9px,#1D1D22 9px 18px);
}
.meter-legend{
  display:flex;justify-content:space-between;
  margin-top:9px;
  font-size:12.5px;color:var(--muted);
}
.meter-legend b{color:var(--fg);font-weight:800}

.target-row{
  display:flex;flex-direction:column;gap:5px;
  margin-top:24px;
  padding:15px 18px;
  background:var(--accent-soft);
  border:1px solid rgba(255,61,20,.34);
  border-radius:12px;
}
.target-v{
  font-size:clamp(28px,8.4vw,36px);
  font-weight:900;letter-spacing:-.035em;line-height:1;
  font-variant-numeric:tabular-nums;
}
.target-v i{
  font-style:normal;margin-left:7px;
  font-size:15px;font-weight:700;letter-spacing:0;
  color:var(--muted);
}

.stats{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:1px;
  margin-top:10px;
  background:var(--line);
  border-radius:12px;
  overflow:hidden;
}
.stats.is-single{grid-template-columns:1fr}
.stat{background:var(--bg-2);padding:14px 12px}
.stat-k{display:block;font-size:11px;font-weight:700;letter-spacing:.04em;color:var(--muted);margin-bottom:5px}
.stat-v{display:block;font-size:21px;font-weight:900;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.stat-v.accent{color:var(--accent)}

/* meals */
.meals{list-style:none;margin:0;padding:0;display:grid;gap:1px;background:var(--line);border-radius:12px;overflow:hidden}
.meals li{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--card);
  padding:17px 18px;
}
.meal-n{font-size:16px;font-weight:700}
.meal-n small{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-top:2px}
.meal-g{font-size:19px;font-weight:900;letter-spacing:-.02em;white-space:nowrap;font-variant-numeric:tabular-nums}

/* facts / bullets educativos */
.facts{
  list-style:none;margin:0 0 18px;padding:0;
  display:grid;gap:1px;
  background:var(--line);border-radius:12px;overflow:hidden;
}
.facts li{
  background:var(--card);
  padding:15px 17px;
  font-size:15.5px;line-height:1.45;
  color:#C4C4BF;
}
.facts b{display:block;color:var(--fg);font-weight:800;margin-bottom:3px}

/* insight */
.insight-q{
  margin:0 0 12px;
  font-size:14px;font-weight:700;
  color:var(--muted);
}
.insight-q::before{content:"“"}
.insight-q::after{content:"”"}
.insight-a{
  margin:0;
  padding-left:16px;
  border-left:3px solid var(--accent);
  font-size:19px;line-height:1.45;font-weight:700;
}

.transition .lede{font-size:20px}

/* product */
.product{
  margin-top:38px;
  padding:34px 22px 30px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:22px;
  text-align:center;
}
.product-h1{
  margin:0 0 6px;
  font-size:clamp(32px,9.5vw,42px);
  font-weight:900;letter-spacing:-.035em;line-height:1;
  text-transform:uppercase;
}
.product-sub{margin:0 0 26px;font-size:14.5px;color:var(--muted)}

.cover{
  width:min(240px,64%);
  margin:0 auto 28px;
  border-radius:8px;
  box-shadow:0 26px 55px -20px rgba(0,0,0,.9);
}

.founder{margin:0 0 24px;padding:0}
.founder p{
  margin:0 0 12px;
  font-size:17.5px;line-height:1.45;font-weight:600;
  color:#E6E6E2;
}
.founder footer{font-size:12.5px;font-weight:700;letter-spacing:.04em;color:var(--muted)}

/* gap closer */
.closer{
  display:flex;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
}
.closer img{flex:none;width:38%;aspect-ratio:3/4;object-fit:cover}
.closer-txt{
  display:flex;flex-direction:column;justify-content:center;
  padding:18px 20px;min-width:0;
}
.closer-g{
  font-size:clamp(34px,10vw,44px);font-weight:900;
  letter-spacing:-.04em;line-height:1;color:var(--accent);
}
.closer-n{margin-top:5px;font-size:17px;font-weight:800;line-height:1.2}
.closer-note{margin-top:9px;font-size:13.5px;line-height:1.35;color:var(--muted)}

/* antes / ahora */
.thennow{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:22px}
.tn{
  display:flex;flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:16px 15px 18px;
}
.tn-k{
  font-size:10.5px;font-weight:800;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin-bottom:8px;
}
.tn-v{font-size:clamp(18px,5.2vw,22px);font-weight:900;letter-spacing:-.028em;line-height:1.05}
.tn-d{margin-top:3px;font-size:13px;color:var(--muted)}
.tn:first-child .tn-v{
  color:var(--muted);
  text-decoration:line-through;
  text-decoration-thickness:2px;
  text-decoration-color:rgba(255,61,20,.75);
}
.tn-now{border-color:rgba(255,61,20,.35);background:var(--accent-soft)}
.tn-now .tn-k{color:var(--accent)}

/* protocol rail */
.rail{
  display:flex;gap:12px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
  margin:0 calc(var(--pad) * -1);
  padding:2px var(--pad);
}
.rail::-webkit-scrollbar{display:none}
.pcard{
  flex:none;
  width:200px;
  margin:0;
  scroll-snap-align:start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
}
.pcard img{width:100%;aspect-ratio:4/5;object-fit:cover}
.pcard figcaption{display:block;padding:13px 14px 15px}
.pmacro{display:block;font-size:21px;font-weight:900;letter-spacing:-.02em;color:var(--accent)}
.pname{display:block;margin-top:2px;font-size:14.5px;font-weight:700;line-height:1.25}
.ptag{display:block;margin-top:6px;font-size:11px;font-weight:700;letter-spacing:.07em;color:var(--muted)}

/* includes */
.includes{list-style:none;margin:0;padding:0;display:grid;gap:1px;background:var(--line);border-radius:12px;overflow:hidden}
.includes li{
  background:var(--card);
  padding:14px 16px 14px 42px;
  font-size:15.5px;line-height:1.4;color:#CFCFCA;
  position:relative;
}
.includes li::before{
  content:"";
  position:absolute;left:18px;top:21px;
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);
}
.includes b{color:var(--fg);font-weight:800}

/* cta */
.cta-block{padding:38px 0 8px;border-top:1px solid var(--line)}
.cta-fine{margin:14px 0 0;text-align:center;font-size:13.5px;color:var(--muted)}

.foot{padding:34px 0 0;text-align:center}
.foot p{margin:14px 0 0;font-size:12px;color:#5C5C66;line-height:1.5}

/* sticky cta */
.sticky{
  position:fixed;left:0;right:0;bottom:0;z-index:30;
  background:rgba(9,9,11,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line);
  padding:12px var(--pad) calc(12px + var(--safe-b));
  transform:translateY(104%);
  transition:transform .28s cubic-bezier(.3,.8,.3,1);
}
.sticky.is-up{transform:none}
.sticky-in{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  width:100%;max-width:var(--maxw);margin:0 auto;
}
.sticky-txt{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.sticky-txt b{font-size:14px;font-weight:900;letter-spacing:.06em}
.sticky-txt span{font-size:12px;color:var(--muted)}

/* ---------- desktop polish ---------- */
@media (min-width:700px){
  body{font-size:17.5px}
  .result{padding-top:52px}
  .landing{padding-top:56px;padding-bottom:56px}
  .pcard{width:216px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}