:root{
  --tinta:#101729; --tinta-2:#1b2540; --linha-escura:#2a3556;
  --papel:#f6f2e8; --papel-2:#ebe5d6; --texto:#1a2036; --mudo:#5b6379;
  --ouro:#f2c063; --marca:#e8825b; --salvia:#8fb09b;
  --serif:'Newsreader',Georgia,serif; --sans:'Hanken Grotesk',system-ui,sans-serif; --mao:'Caveat',cursive;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--tinta);color:var(--papel);font-family:var(--serif);font-size:1.125rem;line-height:1.65;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%}
a{color:inherit}
:focus-visible{outline:3px solid var(--ouro);outline-offset:3px;border-radius:4px}
.miolo{width:min(1080px,100% - 48px);margin:0 auto}

/* topo */
.topo{position:absolute;inset:0 0 auto 0;z-index:5;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:22px clamp(20px,4vw,56px)}
.marca img{display:block;height:46px;width:auto}
.topo nav{display:flex;align-items:center;gap:clamp(14px,2.4vw,32px);font-family:var(--sans);font-size:.95rem}
.topo nav a{text-decoration:none;opacity:.82}
.topo nav a:hover{opacity:1}
.topo .entrar{opacity:1;border:1.5px solid var(--ouro);color:var(--ouro);padding:8px 18px;border-radius:999px;font-weight:500}
.topo .entrar:hover{background:var(--ouro);color:var(--tinta)}
@media(max-width:760px){.topo nav a:not(.entrar){display:none}}

/* botões */
.botao{display:inline-block;font-family:var(--sans);font-weight:600;font-size:1rem;text-decoration:none;background:var(--ouro);color:var(--tinta);padding:15px 28px;border-radius:999px;transition:transform .2s,box-shadow .2s}
.botao:hover{transform:translateY(-2px);box-shadow:0 10px 26px -10px rgba(242,192,99,.7)}
.link{font-family:var(--sans);font-weight:500;margin-left:22px;text-decoration:none;border-bottom:1.5px solid var(--ouro);padding-bottom:2px}

/* herói */
.heroi{min-height:100svh;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:clamp(24px,5vw,72px);padding:120px clamp(20px,5vw,72px) 72px;background:radial-gradient(900px 500px at 85% 40%,rgba(143,176,155,.14),transparent 65%),var(--tinta)}
.heroi h1{font-weight:500;font-size:clamp(2.6rem,6vw,5.2rem);line-height:1.02;letter-spacing:-.02em;margin:0 0 26px;max-width:14ch;font-variation-settings:'opsz' 72}
.lide{font-size:clamp(1.1rem,1.6vw,1.3rem);max-width:34em;color:#d6d3c8;margin:0 0 34px}
.acoes{margin:0}
@media(max-width:900px){.heroi{grid-template-columns:1fr;padding-top:110px}.heroi h1{max-width:none}}

/* a folha que se revisa */
.folha-area{margin:0;display:flex;flex-direction:column;align-items:center;gap:18px}
.folha{position:relative;width:min(470px,100%);aspect-ratio:4/5;background:var(--papel);color:var(--texto);border-radius:6px;transform:rotate(2.2deg);box-shadow:0 40px 70px -30px rgba(0,0,0,.65),0 2px 0 var(--papel-2);padding:12% 9% 8% 16%;
  background-image:repeating-linear-gradient(to bottom,transparent 0,transparent calc(2.6rem - 1px),rgba(70,90,140,.22) calc(2.6rem - 1px),rgba(70,90,140,.22) 2.6rem);background-position:0 calc(12% + .3rem)}
.margem{position:absolute;left:11%;top:0;bottom:0;width:1.5px;background:rgba(232,130,91,.7)}
.clip{position:absolute;left:50%;top:-14px;width:46px;height:30px;transform:translateX(-50%);border:3px solid #9aa3b8;border-radius:12px 12px 4px 4px;border-bottom:none;opacity:.9}
.rascunho{margin:0;font-family:var(--serif);font-size:clamp(1.35rem,2.5vw,1.8rem);line-height:5.2rem;font-weight:500;position:relative;padding-top:.4rem}
.rascunho .seg{position:relative;display:inline-block;white-space:pre;vertical-align:baseline}
.rascunho .riscado::after{content:"";position:absolute;left:-2px;right:-2px;top:52%;height:3px;background:var(--marca);border-radius:2px;transform:scaleX(0);transform-origin:left;animation:risca .45s ease-out forwards}
@keyframes risca{to{transform:scaleX(1)}}
.rascunho .troca{position:absolute;left:50%;bottom:calc(100% - 1.15rem);transform:translate(-50%,6px) rotate(-3deg);font-family:var(--mao);font-weight:600;font-size:1.45em;color:var(--marca);white-space:nowrap;opacity:0;animation:aparece .5s .25s ease-out forwards}
@keyframes aparece{to{opacity:1;transform:translate(-50%,0) rotate(-3deg)}}
.rascunho .cursor{display:inline-block;width:2px;height:1.1em;background:var(--texto);vertical-align:-.15em;margin-left:2px;animation:pisca 1s steps(1) infinite}
@keyframes pisca{50%{opacity:0}}
.refazer{font-family:var(--sans);font-size:.9rem;color:#c8c5ba;background:none;border:none;border-bottom:1px dashed #6b7490;padding:2px 0;cursor:pointer}
.refazer:hover{color:var(--ouro);border-color:var(--ouro)}

/* sumário */
.sumario,.aula,.comunidade,.duda{background:var(--papel);color:var(--texto);padding:clamp(64px,10vw,120px) 0}
h2{font-weight:500;font-size:clamp(1.9rem,4vw,3rem);line-height:1.1;letter-spacing:-.015em;margin:0 0 18px}
.intro{color:var(--mudo);max-width:36em;margin:0 0 40px}
.indice{list-style:none;margin:0;padding:0;max-width:760px}
.indice li{padding:22px 0;border-top:1px solid #cfc8b6}
.indice li:last-child{border-bottom:1px solid #cfc8b6}
.indice a,.indice li>div{display:flex;align-items:baseline;gap:12px;text-decoration:none}
.indice .nome{font-size:clamp(1.4rem,3vw,2rem);font-weight:500}
.indice .pontilhado{flex:1;border-bottom:2px dotted #a79f8a;transform:translateY(-.3em);min-width:24px}
.indice .estado{font-family:var(--sans);font-size:.9rem;color:var(--mudo)}
.indice .estado.aberto{color:#1d6b46;font-weight:600}
.indice p{margin:6px 0 0;color:var(--mudo);max-width:34em}
.indice li:not(.breve) a:hover .nome{text-decoration:underline;text-decoration-color:var(--marca);text-underline-offset:6px;text-decoration-thickness:2px}
.indice .breve .nome{color:#6d6a5f}

/* aula */
.aula{background:var(--papel-2)}
.trilha{list-style:none;margin:36px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:p}
.trilha li{counter-increment:p;position:relative;padding-top:46px}
.trilha li::before{content:counter(p);position:absolute;top:0;left:0;width:34px;height:34px;border-radius:50%;background:var(--tinta);color:var(--ouro);font-family:var(--sans);font-weight:600;font-size:.95rem;display:grid;place-items:center}
.trilha strong{display:block;font-size:1.45rem;font-weight:500;margin-bottom:4px}
.trilha span{color:var(--mudo);font-size:1rem;line-height:1.5;display:block}
.fio{display:block;width:100%;height:34px;margin-top:40px}
.fio path{fill:none;stroke:var(--marca);stroke-width:2.5;stroke-linecap:round;stroke-dasharray:1400;stroke-dashoffset:1400;vector-effect:non-scaling-stroke}
.fio.vivo path{animation:traco 2.4s ease-out forwards}
@keyframes traco{to{stroke-dashoffset:0}}
@media(max-width:820px){.trilha{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.trilha{grid-template-columns:1fr}}

/* comunidade */
.comunidade{background:var(--tinta-2);color:var(--papel)}
.comunidade .intro{color:#c4c1b6}
.duas{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px);align-items:start}
.margens{list-style:none;margin:0;padding:0;border-left:2px solid rgba(232,130,91,.6)}
.margens li{padding:14px 0 14px 24px;font-size:1rem;line-height:1.5;color:#d6d3c8}
.margens strong{display:block;font-family:var(--mao);font-size:1.7rem;font-weight:600;color:var(--ouro);line-height:1.1}
@media(max-width:820px){.duas{grid-template-columns:1fr}}

/* Duda */
.grande{font-size:clamp(1.5rem,3.2vw,2.3rem);line-height:1.35;max-width:26em;margin:0}

/* contato */
.contato{background:var(--papel);color:var(--texto);padding:clamp(64px,10vw,120px) 0}
.form{display:grid;gap:18px;font-family:var(--sans)}
.form label{display:block;font-weight:500;font-size:.95rem}
.form small{font-weight:400;color:var(--mudo)}
.form input,.form select,.form textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border:1.5px solid #c9c2ae;border-radius:10px;background:#fff;color:var(--texto);font:inherit;font-size:1rem}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--tinta)}
.form .botao{justify-self:start;border:none;cursor:pointer;background:var(--tinta);color:var(--ouro)}
.form .botao:hover{box-shadow:0 10px 26px -10px rgba(16,23,41,.6)}
.form .mini{margin:0;font-size:.85rem;color:var(--mudo)}
.erro{margin:0;color:#a3341a;font-size:.9rem}

/* fim */
.fim{background:var(--tinta);padding:clamp(72px,12vw,140px) 0;text-align:center}
.fim h2{max-width:16em;margin:0 auto 34px}
.cursor-fim{margin:34px 0 0}
.cursor-fim span{display:inline-block;width:3px;height:2.4rem;background:var(--ouro);animation:pisca 1s steps(1) infinite}

.rodape{background:#0b1121;color:#aaa89e;font-family:var(--sans);font-size:.9rem;padding:28px clamp(20px,4vw,56px);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px}
.rodape p{margin:0}

/* WhatsApp */
.zap{position:fixed;right:clamp(14px,3vw,28px);bottom:clamp(14px,3vw,28px);z-index:20;display:flex;flex-direction:column;align-items:flex-end;gap:12px;font-family:var(--sans)}
.zap-botao{width:62px;height:62px;border-radius:50%;background:#25d366;display:grid;place-items:center;box-shadow:0 10px 26px -8px rgba(0,0,0,.55);position:relative;transition:transform .2s}
.zap-botao:hover{transform:scale(1.07)}
.zap-botao::after{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #25d366;animation:onda 2.6s ease-out infinite}
@keyframes onda{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.6);opacity:0}}
.zap-balao{position:relative;max-width:260px;background:var(--papel);color:var(--texto);border-radius:16px 16px 4px 16px;padding:14px 38px 14px 16px;box-shadow:0 18px 40px -14px rgba(0,0,0,.6);font-size:.95rem;line-height:1.45;animation:sobe .4s ease-out}
@keyframes sobe{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.zap-balao p{margin:0}
.zap-balao strong{display:block;margin-bottom:2px}
.zap-fecha{position:absolute;top:6px;right:8px;background:none;border:none;font-size:1.4rem;line-height:1;color:var(--mudo);cursor:pointer;padding:4px}
.zap-digitando{display:flex;gap:5px;padding:6px 4px}
.zap-digitando i{width:8px;height:8px;border-radius:50%;background:#9aa0b0;animation:ponto 1s infinite}
.zap-digitando i:nth-child(2){animation-delay:.15s}.zap-digitando i:nth-child(3){animation-delay:.3s}
@keyframes ponto{0%,60%,100%{transform:translateY(0);opacity:.5}30%{transform:translateY(-5px);opacity:1}}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-delay:0s!important;transition:none!important}
  .fio path{stroke-dashoffset:0}
}
[hidden]{display:none!important}