/* Duppa · duppa.tech · CSS puro, sem build */
@font-face{font-family:"Funnel Display";src:url("fonts/funnel-display-latin-wght-normal.woff2") format("woff2");font-weight:300 800;font-display:swap}
@font-face{font-family:"Inter";src:url("fonts/inter-latin-wght-normal.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("fonts/jetbrains-mono-latin-500-normal.woff2") format("woff2");font-weight:500;font-display:swap}

:root{
  --canvas:#f8fafd; --panel:#fff; --ink:#061b31; --ink-2:#0b2a47;
  --accent:#533afd; --accent-hover:#4032c8; --accent-muted:#d6d9fc;
  --text:#061b31; --text-2:#3c4f69; --text-3:#64748d; --line:#e5edf5;
  --aura-1:#7232f1; --aura-2:#fb76fa; --aura-3:#ffcf5e;
  --display:"Funnel Display","Inter","Helvetica Neue",Arial,sans-serif;
  --body:"Inter","Helvetica Neue",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,monospace;
  --ease:cubic-bezier(.4,0,.2,1); --ease-out:cubic-bezier(.16,1,.3,1);
  --tshadow:0 1px 2px rgba(5,10,24,.95),0 3px 12px rgba(5,10,24,.78),0 10px 44px rgba(5,10,24,.8);
  --gut:clamp(20px,5vw,48px);
}
*{box-sizing:border-box}
html{overflow-x:hidden;overflow-x:clip;scroll-behavior:smooth;scroll-padding-top:72px;-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden;overflow-x:clip;background:var(--canvas);color:var(--text);font:400 1rem/1.5 var(--body);-webkit-font-smoothing:antialiased;animation:page-in .7s var(--ease) both}
@keyframes page-in{from{opacity:0}to{opacity:1}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.mono{font-family:var(--mono);font-weight:500;letter-spacing:.01em}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip{position:fixed;left:12px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 14px;border-radius:6px;transition:top .2s var(--ease)}
.skip:focus{top:12px}
main:focus{outline:none}

/* ambiente: camada fixa, ciclo longo */
.env{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden}
.env i{position:absolute;width:70vmax;height:70vmax;border-radius:50%;filter:blur(80px);opacity:.28;will-change:transform}
.env i:nth-child(1){left:-25vmax;top:-20vmax;background:radial-gradient(circle,#d6d9fc,transparent 68%);animation:drift1 70s var(--ease) infinite alternate}
.env i:nth-child(2){right:-30vmax;bottom:-30vmax;background:radial-gradient(circle,#fde7f9,transparent 68%);animation:drift2 80s var(--ease) infinite alternate}
@keyframes drift1{to{transform:translate3d(14vmax,10vmax,0)}}
@keyframes drift2{to{transform:translate3d(-12vmax,-10vmax,0)}}
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused !important}

/* nav */
.nav{position:fixed;z-index:50;top:0;left:0;right:0;display:flex;align-items:center;gap:24px;padding:14px var(--gut);color:#fff;transition:background .3s var(--ease),color .3s var(--ease),box-shadow .3s var(--ease)}
.nav nav{display:flex;gap:28px;margin-left:auto;margin-right:8px}
.nav nav a{font-size:.875rem;text-decoration:none;opacity:.85;transition:opacity .2s var(--ease);padding:8px 0}
.nav nav a:hover{opacity:1}
.nav.solid{background:rgba(248,250,253,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);color:var(--ink);box-shadow:0 1px 0 var(--line)}
.brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;font:400 1.375rem/1 var(--display);letter-spacing:-.01em}
.brand span{padding-bottom:2px}

/* botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;text-decoration:none;font:500 1rem/1.2 var(--body);padding:12px 20px;border-radius:4px;border:0;cursor:pointer;box-shadow:0 1.7px 3.4px rgba(50,50,93,.2),0 1px 1.4px rgba(125,138,161,.09);transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);text-shadow:none}
.btn:hover{background:var(--accent-hover);box-shadow:0 6px 12px -2px rgba(50,50,93,.25),0 3px 7px -3px rgba(0,0,0,.1)}
.btn:active{transform:scale(.98)}
.btn-sm{padding:9px 14px;font-size:.875rem}
.btn-lg{padding:16px 28px;font-size:1.125rem;border-radius:6px}
.textlink{color:inherit;font-weight:500;text-underline-offset:4px;text-decoration-thickness:1px;padding:10px 4px}
.textlink:hover{text-decoration-thickness:2px}
@media (pointer:coarse){.btn,.textlink,.nav nav a,.hold,summary{min-height:44px}.btn,.textlink{display:inline-flex;align-items:center;justify-content:center}}

/* HERO */
.hero{position:relative;height:700vh;background:var(--ink);color:#f4f6fb}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:var(--ink)}
#aura{position:absolute;inset:0;width:100%;height:100%;will-change:transform;transform:translateZ(0)}
.scrim{position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 120% 90% at 62% 45%,rgba(6,27,49,0) 38%,rgba(6,27,49,.62) 100%)}
.band{position:absolute;left:var(--gut);top:50%;transform:translateY(-50%);width:min(560px,46vw);margin-left:clamp(0px,3vw,64px);opacity:0;pointer-events:none;text-shadow:var(--tshadow);will-change:opacity}
.band::before{content:"";position:absolute;inset:-18% -14%;z-index:-1;pointer-events:none;opacity:calc(.25 + .75*var(--k,1));background:radial-gradient(ellipse 74% 62% at 40% 50%,rgba(5,12,28,.66) 0%,rgba(5,12,28,.44) 46%,rgba(5,12,28,0) 76%)}
.band .btn{text-shadow:none}
.band-settle{width:min(620px,50vw)}
.kicker{font-size:.75rem;line-height:1.45;color:#c9cffa;margin-bottom:18px;letter-spacing:.04em}
.line{font:300 clamp(2rem,1.2rem + 2.6vw,3.5rem)/1.08 var(--display);letter-spacing:-.02em}
.h1{font:300 clamp(2.1rem,1.2rem + 2.6vw,3.5rem)/1.06 var(--display);letter-spacing:-.02em}
.sub{margin-top:20px;font-size:1.125rem;line-height:1.45;color:#e3e8f6;max-width:46ch;opacity:calc(clamp(0,(var(--k,0) - .66)*4,1))}
.cta-row{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;opacity:calc(clamp(0,(var(--k,0) - .78)*5,1))}
.cue{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);font-size:.75rem;color:#aab4d8;letter-spacing:.06em;text-shadow:var(--tshadow);transition:opacity .4s var(--ease)}

/* texto: entradas por faixa, só transform e opacity */
.w{display:inline-block;white-space:pre;--kc:clamp(0,(var(--k,0) - var(--th,0))*2.8,1)}
.c{display:inline-block;white-space:pre}
.band[data-fx="drift"] .w{opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*-24px))}
.band[data-fx="blur"] .line{position:relative}
.band[data-fx="blur"] .soft,.band[data-fx="blur"] .sharp{display:block}
.band[data-fx="blur"] .soft{filter:blur(10px);opacity:calc(1 - clamp(0,var(--k,0)*1.4,1))}
.band[data-fx="blur"] .sharp{position:absolute;inset:0;opacity:clamp(0,var(--k,0)*1.4,1)}
.band[data-fx="scatter"] .c{--cc:clamp(0,(var(--k,0) - var(--th,0))*2.6,1);opacity:var(--cc);transform:translate(calc((1 - var(--cc))*var(--jx,0px)),calc((1 - var(--cc))*var(--jy,0px))) rotate(calc((1 - var(--cc))*var(--jr,0deg)))}
.band[data-fx="rise"] .w{opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*22px))}

/* seções */
.wrap{width:min(1120px,100%);margin:0 auto;padding:0 var(--gut)}
.narrow{width:min(820px,100%)}
.sec{position:relative;padding:clamp(72px,10vw,136px) 0}
.eyebrow{font-size:.75rem;color:var(--accent);letter-spacing:.04em;margin-bottom:14px}
.eyebrow-light{color:#b9bffc}
.h2{font:300 clamp(2rem,1.3rem + 2.2vw,3rem)/1.05 var(--display);letter-spacing:-.02em;max-width:20ch}
.h2-light{color:#fff}
.lede{margin-top:18px;font-size:1.125rem;line-height:1.45;color:var(--text-2);max-width:44ch}
.lede-light{color:#d3d9ef}

/* entradas ao rolar */
.rv{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease-out),transform .7s var(--ease-out)}
.rv.in{opacity:1;transform:none}
.breaks .brk.rv:nth-child(2){transition-delay:.08s}
.breaks .brk.rv:nth-child(3){transition-delay:.16s}
.breaks .brk.rv:nth-child(4){transition-delay:.24s}
.breaks .brk.rv.in:nth-child(n){transition-delay:0s}

/* problema */
.split{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,96px);align-items:start}
.split-head{position:sticky;top:110px}
.breaks{position:relative;display:grid;gap:0;border-left:1px solid var(--accent-muted);padding-left:clamp(20px,3vw,36px)}
.brk{position:relative;padding:0 0 clamp(28px,4vw,44px)}
.brk:last-child{padding-bottom:0}
.brk::before{content:"";position:absolute;left:calc(-1*clamp(20px,3vw,36px) - 5px);top:8px;width:9px;height:9px;border-radius:50%;background:var(--canvas);border:2px solid var(--accent)}
.brk:nth-child(even)::before{background:var(--accent)}
.brk-n{display:block;font-size:.75rem;color:var(--text-3);margin-bottom:6px}
.brk h3{font:400 clamp(1.25rem,1.05rem + .7vw,1.625rem)/1.2 var(--display);letter-spacing:-.01em;max-width:24ch}
.brk p{margin-top:8px;color:var(--text-2);max-width:44ch}

/* método */
.sec-method{background:linear-gradient(180deg,transparent,rgba(214,217,252,.28) 40%,transparent)}
.journey{position:relative;margin-top:clamp(40px,6vw,72px)}
.jline{width:100%;height:60px;overflow:visible}
.jline path{fill:none;stroke-width:2.2;stroke-linecap:round}
.jline-base{stroke:var(--accent-muted)}
.jline-draw{stroke:var(--accent)}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2.4vw,32px);margin-top:-8px}
.step{position:relative;padding-top:26px}
.step .dot{position:absolute;top:0;left:0;width:14px;height:14px;border-radius:50%;background:var(--canvas);border:2px solid var(--accent-muted);transition:background .5s var(--ease),border-color .5s var(--ease),transform .5s var(--ease-out)}
.step h3{font:400 1.5rem/1.1 var(--display);letter-spacing:-.01em;display:flex;align-items:baseline;gap:10px}
.step h3 .mono{font-size:.75rem;color:var(--text-3)}
.step p{margin-top:10px;color:var(--text-2);font-size:.9375rem}
.step .deliv{font-size:.75rem;color:var(--accent);margin-top:14px}
.journey.done .step .dot{background:var(--accent);border-color:var(--accent);transform:scale(1.25)}
.journey .step:nth-child(1){transition-delay:0s}
.journey.done .step:nth-child(2),.journey.done .step:nth-child(2) .dot{transition-delay:.25s}
.journey.done .step:nth-child(3),.journey.done .step:nth-child(3) .dot{transition-delay:.5s}
.journey.done .step:nth-child(4),.journey.done .step:nth-child(4) .dot{transition-delay:.75s}
.hold-wrap{margin-top:clamp(36px,5vw,56px);display:flex;flex-wrap:wrap;align-items:center;gap:14px 20px}
.hold{position:relative;display:inline-flex;align-items:center;gap:14px;padding:10px 22px 10px 12px;border-radius:9999px;border:1px solid var(--accent-muted);background:var(--panel);color:var(--ink);font:500 1rem/1.2 var(--body);cursor:pointer;touch-action:none;user-select:none;-webkit-user-select:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.hold:hover{border-color:var(--accent);box-shadow:0 6px 12px -2px rgba(50,50,93,.12)}
.hold-ring{width:40px;height:40px;transform:rotate(-90deg)}
.hold-ring circle{stroke:var(--accent-muted)}
.hold-ring .hold-prog{stroke:var(--accent);stroke-dasharray:126;stroke-dashoffset:calc(126 - 126*var(--hp,0));stroke-linecap:round}
.hold-help{font-size:.875rem;color:var(--text-2)}
.hold.is-done{border-color:var(--accent)}

/* o que fazemos (escuro) */
.sec-dark{background:var(--ink);color:#fff;overflow:hidden}
.sec-dark::before{content:"";position:absolute;right:-18%;top:-30%;width:70%;aspect-ratio:1;background:radial-gradient(circle,rgba(114,50,241,.35),rgba(251,118,250,.12) 45%,transparent 70%);filter:blur(30px);pointer-events:none}
.twin{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:clamp(12px,2vw,28px);align-items:center;margin-top:clamp(36px,5vw,64px)}
.twin-card{padding:clamp(24px,3.4vw,44px);border:1px solid rgba(255,255,255,.14);border-radius:16px;background:rgba(255,255,255,.04)}
.twin-word{font:300 clamp(2rem,1.2rem + 3vw,3.5rem)/1 var(--display);letter-spacing:-.02em;margin-bottom:24px}
.twin-card li{padding:12px 0;border-top:1px solid rgba(255,255,255,.12);color:#dbe1f3}
.twin-plus{font:300 3rem/1 var(--display);color:#9a9afe}
.note-ai{position:relative;margin-top:32px;color:#c3cbe6;max-width:56ch}

/* provas */
.proof-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(28px,5vw,72px);margin-top:clamp(32px,5vw,56px);align-items:start}
.proof-list li{padding:22px 0;border-top:1px solid var(--line)}
.proof-list li:last-child{border-bottom:1px solid var(--line)}
.proof-list h3{font:400 1.375rem/1.2 var(--display);letter-spacing:-.01em}
.proof-list p{margin-top:6px;color:var(--text-2);max-width:40ch}
.report{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:clamp(22px,3vw,36px);box-shadow:0 16px 32px rgba(50,50,93,.12);transform:rotate(.6deg)}
.stamp{position:absolute;top:-14px;right:20px;background:var(--ink);color:#fff;font-size:.75rem;padding:7px 12px;border-radius:3px;letter-spacing:.04em}
.report figcaption{font-size:.875rem;color:var(--text-2);max-width:46ch;margin-bottom:22px}
.funnel{display:grid;gap:12px}
.frow{display:grid;grid-template-columns:minmax(0,9.5rem) 1fr auto;gap:12px;align-items:center;font-size:.875rem}
.fl{color:var(--text-2)}
.fbar{height:12px;border-radius:3px;background:#eef2fb;overflow:hidden}
.fbar i{display:block;height:100%;width:100%;transform-origin:left;transform:scaleX(var(--s,1));background:linear-gradient(90deg,var(--accent),#7232f1);border-radius:3px;transition:transform 1.1s var(--ease-out)}
.report.rv:not(.in) .fbar i{transform:scaleX(0)}
.b1{--s:1}.b2{--s:.62}.b3{--s:.34}.b4{--s:.16}
.fv{font-size:.8125rem;min-width:3.5rem;text-align:right}
.report-foot{margin-top:18px;font-size:.75rem;color:var(--text-3)}
.real-proof{margin-top:clamp(32px,5vw,56px);display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.real-proof[hidden]{display:none}
.real-proof blockquote{margin:0;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:12px}
.real-proof cite{display:block;margin-top:14px;font-style:normal;color:var(--text-3);font-size:.875rem}

/* faq */
.faq{margin-top:clamp(28px,4vw,48px);border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font:400 1.25rem/1.25 var(--display);letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";flex:none;width:12px;height:12px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(45deg) translateY(-3px);transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:rotate(-135deg) translate(-3px,-3px)}
.faq details p{padding:0 0 24px;color:var(--text-2);max-width:60ch}

/* final */
.sec-final{padding-top:0}
.final{position:relative;overflow:hidden;border-radius:clamp(16px,2.4vw,24px);background:var(--ink);color:#fff}
#final-aura{position:absolute;inset:0;width:100%;height:100%}
.final-in{position:relative;padding:clamp(48px,8vw,104px) clamp(24px,6vw,88px);text-shadow:0 2px 18px rgba(5,10,24,.6)}
.final-in .h2{max-width:16ch}
.final-in .btn{margin-top:30px;text-shadow:none}

/* rodapé */
.foot{padding:36px 0 48px;border-top:1px solid var(--line)}
.foot-in{display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px}
.brand-foot{color:var(--ink);font-size:1.25rem}
.foot-note{color:var(--text-2);font-size:.875rem}
.foot-note.mono{margin-left:auto;color:var(--text-3);font-size:.75rem}

/* GATES do hero estático: 5 condições, idênticas ao JS */
@media (max-width:720px),(orientation:portrait) and (max-width:1024px),(orientation:portrait) and (pointer:coarse),(orientation:landscape) and (pointer:coarse) and (max-height:560px),(prefers-reduced-motion:reduce){
  .hero{height:auto}
  .stage{position:relative;height:auto;min-height:100vh;min-height:100svh;display:flex;align-items:flex-end}
  .band{display:none}
  .band.band-settle{display:block;position:relative;left:auto;top:auto;transform:none;opacity:1 !important;width:auto;max-width:640px;margin:0;padding:112px var(--gut) 56px;pointer-events:auto;--k:1}
  .band.band-settle::before{inset:0;opacity:1;background:linear-gradient(180deg,rgba(5,12,28,0) 0%,rgba(5,12,28,.62) 38%,rgba(5,12,28,.82) 100%)}
  .band-settle .w{opacity:1 !important;transform:none !important}
  .sub,.cta-row{opacity:1}
  .cue{display:none}
}
@media (max-height:560px){.cue{display:none}}

@media (max-width:900px){
  .nav nav{display:none}
  .nav{justify-content:space-between}
  .split,.proof-grid{grid-template-columns:1fr}
  .split-head{position:static}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:32px}
  .jline{display:none}
  .steps{margin-top:0}
  .twin{grid-template-columns:1fr}
  .twin-plus{justify-self:center}
  .frow{grid-template-columns:minmax(0,7.5rem) 1fr auto}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr}
  .h2{max-width:none}
}

/* movimento reduzido: tudo no estado final */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;transition-delay:0s !important}
  html{scroll-behavior:auto}
  .rv{opacity:1;transform:none}
  .fbar i{transform:scaleX(var(--s,1)) !important}
  .step .dot{background:var(--accent);border-color:var(--accent)}
  .hold-wrap{display:none}
  .report{transform:none}
}