/* muda.io — página de apresentação
   Linguagem: bordas finas, sombra dura, verde-limão sobre preto quente, anotações à mão. */
:root{
  --bg:#FAFAFA;
  --ink:#121410;
  --char:#1C1D1A;
  --char-2:#2A2B27;
  --lime:#CBFA4B;
  --cream:#F3F2EA;
  --mist:#F1F1EF;
  --muted:#5E625A;
  --line:rgba(18,20,16,.14);
  --hard:4px 4px 0 var(--ink);
  --r:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Satoshi",system-ui,-apple-system,"Segoe UI",sans-serif;font-weight:500;font-size:17px;line-height:1.5;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:8px}
h1,h2,h3{font-weight:900;letter-spacing:-.03em}

/* ---------- menu flutuante ---------- */
.nav{position:fixed;top:16px;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(16px,3vw,36px);pointer-events:none}
.nav>*{pointer-events:auto}
.brand{font-weight:900;font-size:22px;letter-spacing:-.04em;text-decoration:none;display:inline-flex;align-items:center;height:42px;padding:0 8px 0 14px;border-radius:12px;background:var(--bg);border:2px solid var(--ink)}
.brand b{margin-left:3px;padding:1px 7px 3px;background:var(--ink);color:var(--lime);border-radius:7px;font-weight:900}
.nav-right{display:flex;gap:8px}
.nav-pill,.cta-pill{display:flex;align-items:center;gap:22px;height:42px;padding:0 18px;border-radius:12px;background:var(--ink);color:var(--bg);font-size:12px;font-weight:700;letter-spacing:.02em;text-transform:uppercase;text-decoration:none}
.nav-pill a{text-decoration:none;opacity:.9}
.nav-pill a:hover{opacity:1;color:var(--lime)}
.cta-pill{gap:12px;padding:0 8px 0 18px}
.arrow-chip{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:8px;background:var(--ink);flex:none}
.cta-pill .arrow-chip{background:var(--lime)}
.cta-pill .arrow-chip svg path{stroke:var(--ink)}
.arrow-chip.lime{background:var(--lime)}

/* ---------- botões ---------- */
.btn{display:inline-flex;align-items:center;gap:14px;min-height:54px;padding:0 10px 0 22px;border-radius:12px;background:var(--lime);color:var(--ink);border:2px solid var(--ink);box-shadow:var(--hard);font:inherit;font-weight:900;font-size:16px;letter-spacing:-.01em;text-decoration:none;cursor:pointer;text-transform:uppercase;transition:transform .12s ease,box-shadow .12s ease}
.btn:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.btn:active{transform:translate(4px,4px);box-shadow:0 0 0 var(--ink)}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px}
.btn-ink{background:var(--ink);color:var(--bg);border-color:var(--ink);box-shadow:4px 4px 0 var(--bg)}
.btn-ink:hover{box-shadow:2px 2px 0 var(--bg)}

/* ---------- hero ---------- */
.hero{position:relative;min-height:max(760px,92vh);display:grid;place-items:center;padding:130px clamp(20px,5vw,64px) 80px;overflow:hidden}
.circle{position:absolute;left:50%;top:50%;width:min(1080px,130vw);aspect-ratio:1;border-radius:50%;background:var(--mist);transform:translate(-50%,-52%)}
.hero-copy{position:relative;z-index:2;max-width:760px;text-align:center}
.status{display:inline-flex;align-items:center;gap:10px;margin-bottom:22px;padding:8px 14px;border-radius:999px;background:#fff;border:1.5px solid var(--ink);font-size:13.5px;font-weight:700}
.status i{width:10px;height:10px;border-radius:50%;background:var(--lime);border:1.5px solid var(--ink);flex:none}
.kicker{font-size:12px;font-weight:900;letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}
.hero h1{font-size:clamp(44px,7.4vw,98px);line-height:.92;letter-spacing:-.05em}
.lead{margin:24px auto 0;max-width:34em;font-size:clamp(17px,1.5vw,20px);font-weight:700;line-height:1.4}
.cta-row{position:relative;display:flex;align-items:center;justify-content:center;gap:34px;flex-wrap:wrap;margin-top:34px}
.note-hand{position:relative;font-family:"Caveat Brush","Satoshi",cursive;font-size:25px;line-height:1;transform:rotate(-4deg);white-space:nowrap}
.note-hand svg{position:absolute;right:calc(100% - 4px);top:-18px;transform:scaleX(-1) rotate(-8deg)}

/* cartões inclinados ao redor do título */
.fans{position:absolute;inset:0;z-index:1;pointer-events:none}
.fan{position:absolute;width:196px;padding:14px 16px 16px;border:2px solid var(--ink);border-radius:12px;box-shadow:var(--hard);display:flex;flex-direction:column;gap:18px;background:#fff}
.fan .fn{font-size:13.5px;font-weight:700;line-height:1.2}
.fan b{font-weight:900;font-size:34px;line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.f1{left:7%;top:24%;transform:rotate(-8deg);background:var(--lime)}
.f2{right:7%;top:19%;transform:rotate(7deg);background:var(--cream)}
.f3{left:15%;bottom:11%;transform:rotate(5deg);background:#fff}
.f4{right:14%;bottom:12%;transform:rotate(-7deg);background:var(--ink);color:var(--lime)}
.f5{left:3%;top:56%;transform:rotate(-3deg);background:var(--cream)}

/* ---------- letreiro ---------- */
.marquee{overflow:hidden;background:var(--lime);border-block:2px solid var(--ink);transform:rotate(-1deg);margin:-14px -20px 0;position:relative;z-index:3}
.mq-track{display:flex;align-items:center;gap:30px;width:max-content;padding:16px 0;animation:mq 34s linear infinite}
.mq-track span{font-weight:900;font-size:19px;text-transform:uppercase;letter-spacing:-.01em;white-space:nowrap}
.mq-track i{width:9px;height:9px;border-radius:50%;background:var(--ink);flex:none}
@keyframes mq{to{transform:translateX(-50%)}}

/* ---------- seções ---------- */
.sec{padding:clamp(64px,8vw,112px) clamp(20px,5vw,64px)}
.sec>*{max-width:1152px;margin-inline:auto}
.sec-mist{background:var(--mist)}
.sec-head{margin-bottom:46px}
.sec-head h2{font-size:clamp(32px,4.6vw,60px);line-height:.98;letter-spacing:-.045em;max-width:16em}
.sec-head p{margin-top:16px;max-width:38em;font-size:clamp(17px,1.5vw,19px);color:#2c2f29}
.box{background:#fff;border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--hard);padding:clamp(20px,2.4vw,30px)}

/* problema */
.scen{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,3vw,36px)}
.box h3{font-size:26px;letter-spacing:-.03em;margin-bottom:16px}
.box p{margin-top:16px;color:#2c2f29;max-width:26em}
.bay{position:relative;height:78px;border:2px solid var(--ink);border-radius:12px;background:var(--bg)}
.bay .fill{height:100%;width:var(--w);background:repeating-linear-gradient(135deg,var(--lime) 0 14px,#DCFF86 14px 28px);border-right:2px solid var(--ink);border-radius:9px 0 0 9px}
.bay.over{width:78%}
.bay.over .fill{border-right:0;border-radius:9px}
.bay .overflow{position:absolute;left:100%;top:-2px;bottom:-2px;width:30%;display:flex;align-items:center;justify-content:center;background:repeating-linear-gradient(135deg,#C4462E 0 10px,#E05A41 10px 20px);border:2px solid var(--ink);border-left:0;border-radius:0 12px 12px 0;color:#fff;font-size:13px;font-weight:900;white-space:nowrap;text-shadow:0 1px 2px rgba(0,0,0,.35)}
.fine-note{margin-top:28px;font-size:13px;color:var(--muted)}

/* passos em escada */
.gantt{display:grid;grid-template-columns:repeat(4,1fr);grid-template-rows:auto repeat(4,96px);gap:14px;position:relative;padding-bottom:120px;align-items:start}
.gh{grid-row:1;padding:7px 10px;text-align:center;border-radius:8px;background:#E7E7E4;font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.03em}
.gh1{grid-column:1}.gh2{grid-column:2}.gh3{grid-column:3}.gh4{grid-column:4}
.gantt .step{position:relative;padding:18px 20px 20px;background:var(--lime);border:2px solid var(--ink);border-radius:12px;box-shadow:var(--hard)}
.s1{grid-column:1;grid-row:2}
.s2{grid-column:2;grid-row:3}
.s3{grid-column:3;grid-row:4}
.s4{grid-column:4;grid-row:5}
.gantt .step h3{font-size:22px;letter-spacing:-.03em;margin-bottom:8px;padding-right:34px}
.gantt .step p{font-size:15.5px;line-height:1.4;font-weight:500}
.num{position:absolute;top:14px;right:14px;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--ink);color:var(--lime);font-weight:900;font-size:13px}
.gantt .step.soon{background:var(--cream);border-style:dashed;box-shadow:none}
.chip{display:inline-block;margin-top:14px;padding:4px 11px;border-radius:999px;background:var(--ink);color:var(--lime);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.02em}
.soon-chip{background:transparent;color:var(--ink);border:1.5px dashed var(--ink)}

/* calculadora */
.calc{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(20px,3vw,40px);align-items:start}
.calc-items{background:#fff;border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--hard);padding:clamp(18px,2.4vw,30px)}
.calc-out{background:var(--char);color:#fff;border:2px solid var(--ink);border-radius:var(--r);box-shadow:6px 6px 0 var(--lime);padding:clamp(20px,2.6vw,32px);position:sticky;top:86px}
.calc-h{font-size:13px;font-weight:900;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:16px}
.calc-out .calc-h{color:#A6AB9E}
.items li{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;padding:14px 0;border-top:1.5px solid var(--line)}
.items li:first-child{border-top:0;padding-top:0}
.items .nm{font-weight:900;font-size:17px;letter-spacing:-.01em}
.items .dm{display:block;font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.items .meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:6px}
.items .step{display:flex;align-items:center;gap:6px}
.items .step button{width:38px;height:38px;border-radius:9px;border:2px solid var(--ink);background:#fff;font-size:20px;line-height:1;font-weight:900;cursor:pointer;color:var(--ink);transition:background .12s}
.items .step button:hover{background:var(--lime)}
.items .step button:disabled{opacity:.28;cursor:default;background:#fff}
.items .step output{min-width:30px;text-align:center;font-weight:900;font-variant-numeric:tabular-nums}
.frag{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px 0 8px;border-radius:999px;border:1.5px dashed var(--muted);background:transparent;color:var(--muted);font:inherit;font-size:13px;font-weight:700;cursor:pointer;transition:background .12s,color .12s,border-color .12s}
.frag svg{flex:none}
.frag:hover{border-color:var(--ink);color:var(--ink)}
.frag[aria-pressed="true"]{border:1.5px solid var(--ink);background:var(--lime);color:var(--ink)}
.rm{background:none;border:0;padding:0;font:inherit;font-size:13px;font-weight:700;text-decoration:underline;text-underline-offset:3px;cursor:pointer;color:var(--muted)}
.rm:hover{color:var(--ink)}
.tag-custom{font-size:12px;font-weight:700;color:var(--muted);border:1.5px solid var(--line);border-radius:6px;padding:1px 7px}
.reset{margin-top:16px;background:none;border:0;padding:6px 0;font:inherit;font-weight:700;text-decoration:underline;text-underline-offset:3px;cursor:pointer;color:var(--muted)}
.reset:hover{color:var(--ink)}

.custom{margin-top:22px;padding:20px;border:2px dashed var(--ink);border-radius:12px;background:var(--cream)}
.custom h4{margin:0 0 14px;font-weight:900;font-size:19px;letter-spacing:-.02em}
.custom label{display:block;font-size:13.5px;font-weight:700}
.custom input[type=text]{display:block;width:100%;margin-top:6px;height:46px;padding:0 12px;border:2px solid var(--ink);border-radius:10px;background:#fff;font:inherit;font-size:16px;font-weight:500;color:var(--ink)}
.custom input[type=text]:focus{outline:3px solid var(--lime);outline-offset:0;box-shadow:3px 3px 0 var(--ink)}
.f-dims{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.f-dims input{font-variant-numeric:tabular-nums}
.custom .f-frag{display:flex;align-items:center;gap:10px;margin-top:14px;font-weight:700;cursor:pointer}
.custom .f-frag input{width:20px;height:20px;accent-color:var(--ink);margin:0}
.f-err{min-height:20px;margin-top:10px;font-size:14px;font-weight:700;color:#B3361F}
.custom .btn{margin-top:4px}

.total{display:flex;align-items:baseline;gap:8px;font-weight:900;font-size:clamp(60px,7.4vw,92px);line-height:.95;letter-spacing:-.06em;font-variant-numeric:tabular-nums}
.total small{font-size:.3em;font-weight:900;color:var(--lime);letter-spacing:0}
.total-sub{margin-top:10px;color:#B7BCAF;font-size:15px}
.frag-sum{margin-top:6px;font-size:14px;font-weight:900;color:var(--lime)}
.verdict{margin-top:20px;padding:14px 16px;border-radius:12px;border:2px solid rgba(255,255,255,.18);font-weight:700;min-height:54px}
.verdict.ok{background:var(--lime);color:var(--ink);border-color:var(--ink)}
.fleet{margin-top:20px;display:grid;gap:13px}
.fleet li{display:grid;grid-template-columns:1fr auto;gap:5px 12px;font-size:14.5px}
.fleet .lbl{font-weight:700}
.fleet .cap{color:#B7BCAF;font-variant-numeric:tabular-nums}
.fleet .meter{grid-column:1/-1;height:12px;border-radius:7px;background:rgba(255,255,255,.12);overflow:hidden}
.fleet .meter i{display:block;height:100%;width:0;background:#8E9488;border-radius:7px;transition:width .5s cubic-bezier(.2,.8,.2,1)}
.fleet li.fit .meter i{background:var(--lime)}
.fleet li.best .lbl::after{content:" · indicado";color:var(--lime);font-weight:900}
.fleet li.over .meter i{background:repeating-linear-gradient(135deg,#C4462E 0 6px,#E05A41 6px 12px)}
.fleet li.over .cap{color:#FF9A86}
.fine{margin-top:20px;font-size:12.5px;color:#9EA395;line-height:1.5}

/* para quem */
.who{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,3vw,36px)}
.tile{border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--hard)}
.tile-lime{background:var(--lime)}
.tile-cream{background:var(--cream)}
.tile-ink{background:var(--char);color:var(--lime)}
.who .tile{padding:clamp(22px,3vw,38px)}
.who h3{font-size:30px;letter-spacing:-.04em;margin-bottom:14px}
.who p+p{margin-top:12px}
.who p{font-weight:500;color:#1f221c}
.who .tile-cream{border-style:dashed;box-shadow:none}

/* impacto */
.impact{background:var(--char);color:#fff;padding:clamp(64px,8vw,112px) clamp(20px,5vw,64px);border-radius:36px 36px 0 0;margin-top:-1px}
.impact-in{max-width:1152px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:center}
.impact h2{font-size:clamp(32px,4.6vw,58px);line-height:.98;letter-spacing:-.045em}
.impact p{margin-top:18px;color:#C9CEC1;font-size:clamp(17px,1.5vw,19px);max-width:34em}
.hero-art{background:var(--char-2);border:2px solid #3A3B36;border-radius:20px;padding:clamp(14px,2.4vw,28px);box-shadow:6px 6px 0 var(--lime)}
.hero-art svg{display:block;width:100%;height:auto}
.checks{max-width:1152px;margin:clamp(36px,5vw,64px) auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,24px)}
.checks .tile{display:flex;flex-direction:column;gap:46px;padding:18px 20px 22px;font-weight:900;font-size:21px;line-height:1.1;letter-spacing:-.03em;color:var(--ink)}
.checks .tile-ink{color:var(--lime);border-color:#3A3B36;box-shadow:4px 4px 0 var(--lime)}
.ck{width:26px;height:26px;border-radius:50%;background:var(--ink);position:relative}
.ck::after{content:"";position:absolute;left:8px;top:6px;width:6px;height:11px;border:solid var(--lime);border-width:0 2.5px 2.5px 0;transform:rotate(40deg)}
.tile-ink .ck{background:var(--lime)}
.tile-ink .ck::after{border-color:var(--ink)}

/* final */
.final{background:var(--lime);padding:clamp(64px,8vw,104px) clamp(20px,5vw,64px);border-top:2px solid var(--ink)}
.final-in{max-width:1152px;margin:0 auto}
.final h2{font-size:clamp(36px,6vw,80px);line-height:.92;letter-spacing:-.05em;max-width:12em}
.final p{margin-top:18px;max-width:32em;font-size:clamp(17px,1.6vw,20px);font-weight:700}
.final .btn{margin-top:30px}
.foot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px clamp(20px,5vw,64px);font-size:14px;font-weight:700;background:var(--ink);color:#C9CEC1}

/* movimento: a carga entrando no baú (ao rolar até lá) */
.boxes rect{transform-box:fill-box;transform-origin:50% 100%}
.js .boxes rect{opacity:0;transform:translateY(-34px)}
.js .hero-art.go .boxes rect{opacity:1;transform:none;transition:opacity .35s ease,transform .6s cubic-bezier(.2,.9,.25,1.15);transition-delay:calc(var(--i)*90ms + 150ms)}
.js .tag{opacity:0;transition:opacity .4s ease 1.2s}
.js .hero-art.go .tag{opacity:1}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .boxes rect,.js .tag{opacity:1;transform:none;transition:none}
  .fleet .meter i,.btn{transition:none}
  .mq-track{animation:none}
}

/* ---------- responsivo ---------- */
@media (max-width:1240px){
  .f5{display:none}
  .f1{left:3%}.f2{right:3%}.f3{left:8%}.f4{right:7%}
}
@media (max-width:1000px){
  .nav-pill{display:none}
  .hero{display:block;min-height:0;padding:112px 20px 56px}
  .hero-copy{margin:0 auto}
  .fans{position:static;display:flex;flex-wrap:wrap;justify-content:center;gap:16px;margin-top:44px;pointer-events:auto}
  .fan{position:relative;left:auto;right:auto;top:auto;bottom:auto;width:156px;transform:rotate(var(--rot,0deg))}
  .f1{--rot:-4deg}.f2{--rot:3deg}.f3{--rot:-2deg}.f4{--rot:5deg}.f5{display:flex;--rot:-5deg}
  .circle{top:42%}
  .gantt{grid-template-columns:1fr 1fr;grid-template-rows:none;padding-bottom:0;align-items:stretch}
  .gh{display:none}
  .s1,.s2,.s3,.s4{grid-column:auto;grid-row:auto;margin-top:0}
  .calc{grid-template-columns:1fr}
  .calc-out{position:static}
  .who,.scen,.impact-in{grid-template-columns:1fr}
  .checks{grid-template-columns:1fr}
  .checks .tile{flex-direction:row;align-items:center;gap:16px;font-size:19px}
}
@media (max-width:560px){
  body{font-size:16px}
  .gantt{grid-template-columns:1fr}
  .f-dims{grid-template-columns:1fr}
  .note-hand{display:none}
  .fan{width:calc(50% - 8px)}
  .fan b{font-size:28px}
  .cta-pill{font-size:11px;padding-left:12px}
  .brand{font-size:20px;padding:0 6px 0 11px}
}