:root{
  --bg:#0a0c0f;
  --surface:#14161c;
  --surface-2:#1b1e26;
  --line:rgba(255,255,255,.1);
  --line-strong:rgba(255,255,255,.2);
  --text:#f4f4f4;
  --muted:#9aa0a8;
  --faint:#646a73;
  --accent:#e30613;
  --accent-strong:#c10511;
  --accent-soft:rgba(227,6,19,.13);
  --accent-line:rgba(242,58,58,.42);
  --accent-grad:radial-gradient(89% 85% at 17% 78%,#ff8a8a 0%,#f23a3a 38%,#e30613 76%,#a3060f 100%);
  --whats:#25d366;
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--bg)}
body{
  min-height:100vh;color:var(--text);
  background:
    radial-gradient(120% 60% at 50% -10%,rgba(227,6,19,.16),transparent 60%),
    var(--bg);
  background-attachment:fixed;
  font-family:Montserrat,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.45;
  -webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent;
}
button,input{font:inherit;color:inherit}
svg.i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none}

.app{max-width:440px;margin:0 auto;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;padding:calc(14px + env(safe-area-inset-top)) calc(20px + env(safe-area-inset-right)) calc(20px + env(safe-area-inset-bottom)) calc(20px + env(safe-area-inset-left))}

/* Topo: voltar, marca e progresso */
.top{display:grid;grid-template-columns:40px 1fr 40px;align-items:center;row-gap:14px}
.back{width:40px;height:40px;margin-left:-10px;display:grid;place-items:center;border:0;border-radius:12px;background:none;color:var(--muted);cursor:pointer;transition:color .15s,background .15s}
.back:hover{color:var(--text);background:var(--surface)}
.back[hidden]{display:grid;visibility:hidden}
.brand{display:flex;align-items:center;justify-content:center;gap:10px;font-weight:800;font-size:11px;letter-spacing:.28em;text-transform:uppercase;color:var(--text)}
.brand img{width:26px;height:26px;filter:invert(1)}
.brand span{opacity:.9}
.progress{grid-column:1/-1;height:4px;border-radius:9999px;background:var(--surface-2);overflow:hidden}
.progress-fill{height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,#a3060f,#f23a3a);transition:width .45s cubic-bezier(.2,.8,.2,1)}

.stage{flex:1;display:flex;flex-direction:column}
.step{display:flex;flex-direction:column;gap:12px;padding-top:32px;animation:in .38s cubic-bezier(.2,.8,.2,1) both}
.step.center{margin:auto 0;padding:32px 0;text-align:center}
@keyframes in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.step{animation:none}.progress-fill{transition:none}}

h1,h2{font-family:Montserrat,sans-serif;font-weight:800;letter-spacing:-.02em;color:var(--text);text-wrap:balance}
h1{font-size:26px;line-height:1.15}
h2{font-size:23px;line-height:1.2}
.step.center h2,.step.center .sub,.btn{text-wrap:balance}
.choice span,.opt span,.perks p{text-wrap:pretty}
.title{margin-bottom:8px}
.lead{font-family:Montserrat,sans-serif;font-size:20px;line-height:1.38;font-weight:600;letter-spacing:-.01em;color:#d7d9dd;text-wrap:balance}
.lead+.title{font-size:28px;color:var(--text);margin-top:6px}
.sub{color:var(--muted);font-size:16px;margin:-4px 0 12px;text-wrap:balance}

/* Botão principal */
.btn{position:relative;display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:58px;padding:14px 20px;margin-top:8px;border:0;border-radius:var(--radius);background:var(--accent-grad);color:#fff;font-weight:800;font-size:15px;letter-spacing:.04em;text-transform:uppercase;cursor:pointer;box-shadow:0 10px 30px -12px rgba(227,6,19,.75),inset 0 1px 0 rgba(255,255,255,.18);transition:transform .12s,background .15s,box-shadow .15s,opacity .15s}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:scale(.985)}
.btn:disabled{background:var(--surface-2);filter:none;color:var(--faint);box-shadow:none;cursor:not-allowed}
.btn.whats{background:var(--whats);box-shadow:0 10px 30px -12px rgba(37,211,102,.7),inset 0 1px 0 rgba(255,255,255,.2)}
.btn.whats:hover{background:#1fb457;filter:none}
.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--line);box-shadow:none;margin-top:0}
.btn.ghost:hover{color:var(--text);border-color:var(--line-strong);background:var(--surface)}

/* Resposta única */
.choices{display:flex;flex-direction:column;gap:10px;text-align:left}
.choice{display:flex;align-items:center;gap:14px;width:100%;min-height:64px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);font-weight:500;cursor:pointer;text-align:left;transition:border-color .15s,background .15s,transform .12s}
.choice span{flex:1}
.choice:hover{border-color:var(--accent-line);background:var(--surface-2)}
.choice:active{transform:scale(.99)}

/* Múltipla escolha */
.hint-top{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--faint);margin:-6px 0 4px}
.hint-top svg.i{width:15px;height:15px}
.opts{display:flex;flex-direction:column;gap:8px}
.opt{display:flex;align-items:center;gap:14px;width:100%;min-height:58px;padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:var(--surface);text-align:left;cursor:pointer;transition:border-color .15s,background .15s}
.opt:hover{border-color:var(--line-strong)}
.opt .box{flex:none;width:22px;height:22px;border-radius:7px;border:1.5px solid var(--line-strong);display:grid;place-items:center;transition:background .15s,border-color .15s}
.opt .box svg.i{width:14px;height:14px;stroke-width:3;color:#fff;opacity:0;transform:scale(.6);transition:opacity .15s,transform .15s}
.opt.on{border-color:var(--accent-line);background:linear-gradient(0deg,var(--accent-soft),var(--accent-soft)),var(--surface)}
.opt.on .box{background:var(--accent);border-color:var(--accent)}
.opt.on .box svg.i{opacity:1;transform:none}

/* Campos */
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.field label{font-size:13px;font-weight:500;color:var(--muted);letter-spacing:.01em}
.input{width:100%;height:58px;padding:0 18px;border:1px solid var(--line);border-radius:16px;background:var(--surface);color:var(--text);outline:none;transition:border-color .15s,box-shadow .15s}
.input::placeholder{color:var(--faint)}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-soft)}

/* Régua de peso e altura */
.measure{display:flex;flex-direction:column;align-items:center;gap:14px;padding:20px 0 22px;border:1px solid var(--line);border-radius:22px;background:var(--surface);margin-bottom:4px;overflow:hidden}
.measure h1{font-size:20px;text-align:center}
.units{display:flex;gap:2px;padding:3px;border-radius:9999px;background:var(--bg);border:1px solid var(--line)}
.units button{border:0;border-radius:9999px;min-width:64px;min-height:40px;padding:8px 20px;background:transparent;color:var(--faint);font-weight:600;font-size:14px;cursor:pointer;transition:background .15s,color .15s}
.units button.on{background:var(--text);color:var(--bg)}
.value{font-family:Montserrat,sans-serif;font-size:44px;font-weight:700;line-height:1;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.value small{font-size:18px;font-weight:600;color:var(--accent);margin-left:4px;letter-spacing:0}
.ruler{position:relative;width:100%;height:72px}
.ruler-scroll{height:100%;overflow-x:scroll;overflow-y:hidden;scrollbar-width:none;cursor:grab;overscroll-behavior-x:contain;-webkit-mask-image:linear-gradient(90deg,transparent,#000 22%,#000 78%,transparent);mask-image:linear-gradient(90deg,transparent,#000 22%,#000 78%,transparent)}
.ruler-scroll::-webkit-scrollbar{display:none}
.ruler-scroll.drag{cursor:grabbing}
.ruler-track{position:relative;height:100%}
.ruler-ticks{position:absolute;top:10px;height:16px;background:repeating-linear-gradient(90deg,#45454c 0 1px,transparent 1px 10px)}
.ruler-major{position:absolute;top:4px;width:1.5px;height:28px;margin-left:-.25px;background:#7a7a84;border-radius:1px}
.ruler-label{position:absolute;top:42px;transform:translateX(-50%);font-size:13px;font-weight:500;color:var(--faint);font-variant-numeric:tabular-nums}
.ruler-needle{position:absolute;left:50%;top:0;height:40px;width:3px;margin-left:-1.5px;background:var(--accent);border-radius:3px;box-shadow:0 0 12px rgba(227,6,19,.65);pointer-events:none}
.ruler-needle::before{content:"";position:absolute;top:-4px;left:50%;width:9px;height:9px;margin-left:-4.5px;border-radius:50%;background:var(--accent)}
.hint{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--faint)}
.hint svg.i{width:14px;height:14px}

/* Benefícios */
.perks{list-style:none;display:flex;flex-direction:column;border:1px solid var(--line);border-radius:22px;background:var(--surface);overflow:hidden}
.perks li{display:flex;align-items:flex-start;gap:14px;padding:15px 16px}
.perks li+li{border-top:1px solid var(--line)}
.perks .ico{flex:none;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);border:1px solid rgba(227,6,19,.2)}
.perks .ico svg.i{width:19px;height:19px}
.perks p{font-size:15px;line-height:1.4;color:#e7e7e5;padding-top:1px;align-self:center}

/* Manifesto */
.manifesto{display:flex;flex-direction:column;gap:22px;padding:4px 0 12px;border-left:2px solid var(--accent);padding-left:20px}
.manifesto p{font-family:Montserrat,sans-serif;font-size:21px;line-height:1.3;font-weight:600;letter-spacing:-.015em;color:var(--muted);text-wrap:pretty}
.manifesto p:first-child{font-size:25px;color:var(--text);font-weight:700}
.manifesto p:last-child{color:var(--text)}

/* Preço */
.price{display:flex;flex-direction:column;align-items:center;gap:6px;padding:26px 20px 24px;margin-bottom:6px;border:1px solid var(--accent-line);border-radius:24px;background:radial-gradient(100% 120% at 50% 0%,rgba(227,6,19,.2),transparent 70%),var(--surface)}
.price .label{font-size:13px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.price .amount{display:flex;align-items:flex-start;gap:6px;font-family:Montserrat,sans-serif;font-weight:700;letter-spacing:-.04em;line-height:1}
.price .cur{font-size:22px;margin-top:10px;color:var(--accent)}
.price .num{font-size:68px}
.price .per{font-size:18px;align-self:flex-end;margin-bottom:10px;color:var(--muted);letter-spacing:0;font-weight:500}

/* Fim */
.badge{width:64px;height:64px;margin:0 auto 8px;border-radius:20px;display:grid;place-items:center;color:var(--whats);background:rgba(37,211,102,.1);border:1px solid rgba(37,211,102,.25)}
.badge svg.i{width:30px;height:30px}

.foot{display:flex;justify-content:center;align-items:center;gap:6px;font-size:12px;color:var(--faint);padding-top:28px}
.foot svg.i{width:13px;height:13px}

/* Logo grande nas telas de abertura e fim */
.mark{width:56px;height:56px;margin:0 auto 6px;filter:invert(1);opacity:.95}

/* Telas pequenas e baixas (iPhone SE, Androids compactos) */
@media (max-width:360px){
  .app{padding-left:calc(16px + env(safe-area-inset-left));padding-right:calc(16px + env(safe-area-inset-right))}
  h2{font-size:21px}
  .manifesto p{font-size:19px}
  .lead{font-size:18px}
  .manifesto p:first-child{font-size:22px}
  .price .num{font-size:58px}
  .btn{font-size:14px;letter-spacing:.02em;padding:14px 16px}
  .brand{letter-spacing:.22em}
}
@media (max-height:700px){
  .step{padding-top:22px}
  .step.center{padding:16px 0}
  .mark{width:44px;height:44px;margin-bottom:2px}
  .measure{padding:14px 0 16px;gap:10px}
  .measure h1{font-size:18px}
  .value{font-size:38px}
  .foot{padding-top:18px}
}