/* Editora Know-how: o livro que vira rede */
:root{
  --ink:#111318;          /* tela escura, preto-tinta levemente azulado */
  --ink-2:#1A1D25;        /* superfícies no escuro */
  --ink-line:#2C3140;
  --paper:#F4EFE6;        /* marfim da logo */
  --paper-2:#EAE3D6;      /* superfícies no claro */
  --paper-line:#D6CDBD;
  --t-ink:#15161B;        /* texto no claro */
  --t-ink-2:#4F5160;
  --t-paper:#F4EFE6;      /* texto no escuro */
  --t-paper-2:#A9ABB8;
  --accent:#3550E0;       /* azul-tinta: CTA e ênfase rara */
  --accent-hover:#2740C4;
  --accent-lite:#8FA2FF;  /* o acento em nível de sussurro no escuro */
  --ease:cubic-bezier(.22,.7,.2,1);
  --ease-io:cubic-bezier(.65,0,.35,1);
  --f-display:"Libre Caslon Text",Georgia,serif;
  --f-body:"Instrument Sans",system-ui,-apple-system,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,monospace;
  --tshadow:0 1px 2px rgba(5,6,10,.9),0 3px 12px rgba(5,6,10,.6),0 10px 44px rgba(5,6,10,.6);
  --gut:clamp(20px,5vw,72px);
}
*,*::before,*::after{box-sizing:border-box}
html{overflow-x:hidden;overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden;overflow-x:clip;background:var(--paper);color:var(--t-ink);font-family:var(--f-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;opacity:0;animation:pagein .9s var(--ease) .05s forwards}
@keyframes pagein{to{opacity:1}}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.mono{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase}
.skip{position:fixed;left:16px;top:-60px;z-index:100;background:var(--accent);color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;transition:transform .3s var(--ease)}
.skip:focus{transform:translateY(76px)}
:focus-visible{outline:2px solid var(--accent-lite);outline-offset:3px;border-radius:6px}
[data-theme="light"] :focus-visible{outline-color:var(--accent)}
main:focus{outline:none}

/* grão de ambiente, fixo sobre tudo */
.grain{position:fixed;inset:0;z-index:90;pointer-events:none;opacity:.05;mix-blend-mode:overlay;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

/* ---------- tipografia ---------- */
.h-hero{font-family:var(--f-display);font-weight:400;font-size:clamp(2.3rem,4.4vw,4.2rem);line-height:1.06;letter-spacing:-.015em;margin:0;max-width:17ch;text-wrap:balance}
.h-mid{font-family:var(--f-display);font-size:clamp(1.25rem,1.9vw,1.7rem);line-height:1.35;margin:0 0 30px;max-width:30ch}
.h2{font-family:var(--f-display);font-weight:400;font-size:clamp(2rem,3.6vw,3.25rem);line-height:1.1;letter-spacing:-.012em;margin:.35em 0 .45em;max-width:22ch;text-wrap:balance}
.h3{font-family:var(--f-display);font-weight:700;font-size:clamp(1.2rem,1.6vw,1.45rem);line-height:1.2;margin:0 0 .5em}
.h4{font-family:var(--f-body);font-weight:600;font-size:1.12rem;line-height:1.3;margin:0 0 .35em;letter-spacing:-.005em}
.lede{font-size:clamp(1.05rem,1.3vw,1.2rem);color:var(--t-ink-2);max-width:56ch;margin:0}
.kicker{color:var(--accent);margin:0}
[data-theme="dark"] .kicker{color:var(--accent-lite)}
[data-theme="dark"] .lede{color:var(--t-paper-2)}
.wrap{width:min(1240px,100% - 2*var(--gut));margin:0 auto}

/* ---------- botões ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:50px;padding:0 26px;border-radius:999px;background:var(--accent);color:#fff;font-weight:600;font-size:.98rem;text-decoration:none;border:0;position:relative;isolation:isolate;transition:transform .35s var(--ease),background-color .3s var(--ease);text-shadow:none}
.btn::after{content:"";position:absolute;inset:-6px;border-radius:inherit;box-shadow:0 0 0 1px rgba(143,162,255,.5),0 8px 30px rgba(53,80,224,.45);opacity:0;transition:opacity .35s var(--ease);z-index:-1}
.btn:hover{background:var(--accent-hover);transform:translateY(-2px)}
.btn:hover::after{opacity:1}
.btn-ghost{background:transparent;color:var(--t-paper);box-shadow:inset 0 0 0 1px rgba(244,239,230,.45)}
.btn-ghost:hover{background:rgba(244,239,230,.08)}
.btn-sm{min-height:40px;padding:0 18px;font-size:.88rem}
.btn-wide{width:100%}
.link-btn{background:none;border:0;padding:6px 0;font-weight:600;font-size:.92rem;color:var(--t-ink);text-decoration:underline;text-decoration-color:var(--paper-line);text-underline-offset:5px;text-decoration-thickness:1px;transition:text-decoration-color .3s var(--ease),color .3s var(--ease)}
.link-btn:hover{text-decoration-color:var(--accent);color:var(--accent)}

/* ---------- navegação ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px var(--gut);transition:background-color .45s var(--ease),box-shadow .45s var(--ease)}
.nav::before{content:"";position:absolute;inset:0;z-index:-1;opacity:0;background:rgba(244,239,230,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--paper-line);transition:opacity .45s var(--ease)}
.nav.solid::before{opacity:1}
.nav.solid.on-dark::before{background:rgba(17,19,24,.78);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.nav-logo{display:block;width:150px;position:relative;flex:none}
.nav-logo img{width:100%;height:auto;transition:opacity .4s var(--ease)}
.nav-logo .logo-dark{position:absolute;inset:0;opacity:0}
.nav:not(.on-dark) .logo-dark{opacity:1}
.nav:not(.on-dark) .logo-light{opacity:0}
.nav-links{display:flex;align-items:center;gap:clamp(14px,1.6vw,28px)}
.nav-links a:not(.btn){font-size:.9rem;font-weight:500;text-decoration:none;color:var(--t-ink);opacity:.82;transition:opacity .3s var(--ease),color .3s var(--ease)}
.nav.on-dark .nav-links a:not(.btn){color:var(--t-paper)}
.nav-links a:not(.btn):hover{opacity:1}
.burger{display:none;width:44px;height:44px;border:0;background:none;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:1.5px;background:currentColor;transition:transform .35s var(--ease)}
.burger span:first-child{transform:translateY(-4px)}
.burger span:last-child{transform:translateY(4px)}
.burger[aria-expanded="true"] span:first-child{transform:rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:rotate(-45deg)}
.nav.on-dark .burger{color:var(--t-paper)}
@media (max-width:1120px){
  .burger{display:block}
  .nav-links{position:fixed;inset:0 0 auto 0;top:0;padding:96px var(--gut) 32px;flex-direction:column;align-items:flex-start;gap:6px;background:var(--ink);transform:translateY(-102%);transition:transform .55s var(--ease);z-index:-1;box-shadow:0 30px 60px rgba(0,0,0,.35)}
  .nav-links.open{transform:none}
  .nav-links a:not(.btn){color:var(--t-paper)!important;font-family:var(--f-display);font-size:1.6rem;padding:6px 0;opacity:1}
  .nav-links .nav-cta{margin-top:16px}
  .nav.menu-open .burger{color:var(--t-paper)}
  .nav.menu-open .logo-light{opacity:1}.nav.menu-open .logo-dark{opacity:0}
}

/* ---------- HERO: o livro que vira rede ---------- */
.hero{position:relative;height:420vh;background:var(--ink);color:var(--t-paper)}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:radial-gradient(ellipse 70% 60% at 68% 56%,#1B2030 0%,var(--ink) 70%)}
.stage-dots{position:absolute;inset:-2px;opacity:.5;background-image:radial-gradient(rgba(143,162,255,.16) 1px,transparent 1.2px);background-size:44px 44px;-webkit-mask-image:radial-gradient(ellipse 70% 70% at 66% 55%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 70% 70% at 66% 55%,#000 20%,transparent 75%)}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%;transform:translateZ(0)}
.node-labels{position:absolute;inset:0;pointer-events:none}
.chip{background:rgba(12,14,20,.6);border:1px solid rgba(143,162,255,.22);border-radius:10px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);text-shadow:0 1px 3px rgba(5,5,10,.85)}
.node-label{position:absolute;left:0;top:0;padding:6px 11px;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--t-paper);white-space:nowrap;opacity:0;will-change:transform,opacity}
.bands{position:absolute;inset:0;pointer-events:none}
.band{position:absolute;left:var(--gut);top:50%;width:min(38vw,560px);transform:translateY(-50%);opacity:0;text-shadow:var(--tshadow)}
.band::before{content:"";position:absolute;inset:-30% -20%;z-index:-1;pointer-events:none;opacity:calc(.3 + .7*var(--k,1));background:radial-gradient(ellipse 60% 55% at 40% 50%,rgba(10,11,16,.55) 0%,rgba(10,11,16,.3) 50%,rgba(10,11,16,0) 76%)}
.band .btn{text-shadow:none}
.band3{pointer-events:none}
.band3.live{pointer-events:auto}
.band1 .kicker{margin-bottom:22px;opacity:calc(var(--k,0))}
/* band 1: desfoque para nítido */
.blur-pair{display:grid}
.blur-pair>span{grid-area:1/1}
.blur-pair .soft{filter:blur(10px);opacity:calc(1 - var(--k,0))}
.blur-pair .sharp{opacity:var(--k,0);transform:scale(calc(.97 + .03*var(--k,0)));transform-origin:left center}
/* band 2: alinhamento em grade, caracteres deslizando */
.h-hero-2{max-width:16ch;color:var(--t-paper)}
.split-grid .w{display:inline-block;white-space:nowrap}
.split-grid .c{display:inline-block;--kc:clamp(0,(var(--k,0) - var(--th,0))*3.2,1);opacity:var(--kc);transform:translateX(calc((1 - var(--kc))*var(--jx,0px)))}
.h-hero-2 .w.em .c{color:var(--accent-lite)}
/* band 3: subida palavra por palavra num assentamento em etapas */
.split-rise .w{display:inline-block;--kc:clamp(0,(var(--k,0) - var(--th,0))*3,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*18px))}
.stagger-b{--kb:clamp(0,(var(--k,0) - .7)*4,1);opacity:var(--kb);transform:translateY(calc((1 - var(--kb))*14px))}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.hud{position:absolute;left:var(--gut);bottom:28px;display:flex;align-items:center;gap:14px;padding:8px 14px;color:var(--t-paper-2);font-size:.66rem}
.hud-bar{width:90px;height:2px;background:rgba(255,255,255,.12);border-radius:2px;overflow:hidden}
.hud-bar i{display:block;height:100%;background:var(--accent-lite);transform-origin:left;transform:scaleX(0)}
.cue{position:absolute;right:var(--gut);bottom:30px;display:flex;align-items:center;gap:10px;color:var(--t-paper-2);transition:opacity .5s var(--ease)}
.cue i{width:1px;height:34px;background:linear-gradient(var(--accent-lite),transparent);transform-origin:top;animation:cue 2.6s var(--ease-io) -.6s infinite}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}
.cue.gone{opacity:0}
@media (max-height:560px){.hud,.cue,.node-labels{display:none}}

/* hero estático: os cinco portões (iguais aos do 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:100svh;display:flex;flex-direction:column;padding:96px var(--gut) 56px;background:radial-gradient(ellipse 120% 50% at 50% 26%,#1B2030 0%,var(--ink) 70%)}
  .stage-dots{-webkit-mask-image:radial-gradient(ellipse 80% 40% at 50% 26%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse 80% 40% at 50% 26%,#000 20%,transparent 75%)}
  #heroCanvas{position:relative;inset:auto;height:clamp(300px,50svh,460px);margin:0 calc(-1*var(--gut))}
  .node-labels,.book-scene{inset:96px 0 auto 0;height:clamp(300px,50svh,460px)}
  .node-label{font-size:.6rem;padding:4px 8px;opacity:1}
  .bands{position:relative;inset:auto;display:flex;flex-direction:column;gap:14px;pointer-events:auto;margin-top:8px}
  .band{position:relative;left:auto;top:auto;width:auto;transform:none;opacity:1!important;--k:1!important}
  .band::before{display:none}
  .h-hero,.h-hero-2{max-width:none;font-size:clamp(2rem,8vw,3rem)}
  .band1 .kicker{margin-bottom:10px}
  .band3 .h-mid{font-size:1.12rem;font-family:var(--f-body);color:var(--t-paper-2);margin:6px 0 24px}
  .hud,.cue{display:none}
}

/* ---------- a página clareia ---------- */
.dawn{position:relative;padding:16vh var(--gut) 26vh;background:var(--ink);color:var(--t-paper)}
.dawn-line{font-family:var(--f-display);font-size:clamp(1.6rem,3.2vw,2.8rem);line-height:1.22;max-width:30ch;margin:0 auto;text-align:center;text-wrap:balance}
.dawn-line em{font-style:italic;color:var(--accent-lite)}

/* ---------- seções ---------- */
.sec{position:relative;padding:clamp(88px,12vw,160px) 0}
.sec[data-theme="dark"]{background:var(--ink);color:var(--t-paper);overflow:hidden}
.sec-head{margin-bottom:clamp(40px,6vw,72px)}

/* entradas coreografadas */
.rv{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.rv.in{opacity:1;transform:none}

/* ---------- 2 livros ---------- */
.books{padding-top:clamp(64px,8vw,110px);margin-top:-56px;border-radius:56px 56px 0 0;z-index:1;box-shadow:0 -30px 60px -20px rgba(143,162,255,.18)}
.book-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.4vw,36px)}
.book.rv{transition-delay:calc(var(--n,0)*110ms)}
.book.rv.in.settled{transition-delay:0s}
.book-3d{perspective:1100px;margin-bottom:22px}
.book-inner{position:relative;aspect-ratio:640/1138;transform-style:preserve-3d;transform:rotateX(var(--rx,0deg)) rotateY(calc(var(--ry,0deg) + var(--flip,0deg)));transition:transform .7s var(--ease)}
.book.tilting .book-inner{transition:transform .18s linear}
.book.flipped .book-inner{--flip:180deg}
.book-face{position:absolute;inset:0;border-radius:4px 10px 10px 4px;overflow:hidden;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.book-face.front{box-shadow:0 1px 0 rgba(0,0,0,.05),0 22px 40px -18px rgba(21,22,27,.45),0 50px 80px -40px var(--bk)}
.book-face.front::before{content:"";position:absolute;left:0;top:0;bottom:0;width:10px;background:linear-gradient(90deg,rgba(0,0,0,.18),rgba(255,255,255,.25) 40%,transparent);z-index:1}
.book-face.front::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(255,255,255,.28) 0%,rgba(255,255,255,0) 38%);opacity:var(--gl,0);transition:opacity .4s var(--ease)}
.book-face img{width:100%;height:100%;object-fit:cover}
.book-face.back{transform:rotateY(180deg);background:var(--bk-ink);color:#F4EFE6;padding:clamp(18px,2vw,26px);display:flex;flex-direction:column;gap:8px;font-size:.92rem;line-height:1.5}
.back-tag{color:rgba(244,239,230,.62);margin:6px 0 0;font-size:.64rem}
.back-tag:first-child{margin-top:0}
.book-face.back p{margin:0}
.book-hint{display:none;margin:14px 0 0;color:var(--t-ink-2)}
.book-author{color:var(--t-ink-2);margin:0 0 8px;font-size:.66rem}
.book .h3{font-size:1.12rem;min-height:2.4em}
.book-actions{display:flex;flex-wrap:wrap;gap:4px 18px}
@media (max-width:1000px){.book-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){
  .book-grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;margin:0 calc(-1*var(--gut));padding:4px var(--gut) 18px;scroll-padding:0 var(--gut);scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .book-grid::-webkit-scrollbar{display:none}
  .book{flex:0 0 68%;scroll-snap-align:start}
  .book-hint{display:block}
}

/* ---------- 3 para quem ---------- */
.who{background:var(--paper-2)}
.who-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(40px,7vw,110px);align-items:start}
.who-lead{position:sticky;top:120px}
.starts{list-style:none;padding:0;margin:28px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.starts li{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;padding:8px 14px;border:1px dashed var(--t-ink-2);border-radius:999px;color:var(--t-ink-2);opacity:0;transform:translateY(8px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.who-lead.in .starts li{opacity:1;transform:none}
.who-lead.in .starts li:nth-child(2){transition-delay:.12s}
.who-lead.in .starts li:nth-child(3){transition-delay:.24s}
.who-lead.in .starts li:nth-child(4){transition-delay:.36s}
.who-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--paper-line)}
.who-list li{display:grid;grid-template-columns:56px 1fr;gap:12px;padding:26px 0;border-bottom:1px solid var(--paper-line);position:relative}
.who-list li::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .7s var(--ease)}
.who-list li:hover::after{transform:scaleX(1)}
.who-list .idx{color:var(--accent);padding-top:4px}
.who-list p{margin:0;color:var(--t-ink-2)}
.who-list .h4{font-family:var(--f-display);font-weight:700;font-size:1.3rem;transition:transform .5s var(--ease)}
.who-list li:hover .h4{transform:translateX(6px)}
@media (max-width:860px){.who-grid{grid-template-columns:1fr}.who-lead{position:static}}

/* ---------- 4 ecossistema (o momento interativo) ---------- */
.eco-glow{position:absolute;width:900px;height:900px;left:50%;top:40%;margin:-450px 0 0 -450px;border-radius:50%;background:radial-gradient(circle,rgba(53,80,224,.22),transparent 62%);pointer-events:none;animation:drift 70s ease-in-out -20s infinite alternate}
.eco-glow.g2{top:auto;bottom:-500px;left:15%}
@keyframes drift{0%{transform:translate(-14%,-6%) scale(1)}50%{transform:translate(10%,8%) scale(1.15)}100%{transform:translate(16%,-10%) scale(.95)}}
.eco-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.eco-map svg{width:100%;height:auto;overflow:visible}
.ring-seg,.spoke{fill:none;stroke-linecap:round}
.ring-seg{stroke:rgba(143,162,255,.5);stroke-width:1;stroke-dasharray:3 6;opacity:0;transition:opacity .6s var(--ease)}
.ring-seg.on{opacity:1}
.spoke{stroke:rgba(169,171,184,.22);stroke-width:1;stroke-dasharray:2 7;transition:stroke .5s var(--ease)}
.spoke.on{stroke:var(--accent-lite);stroke-width:1.6;stroke-dasharray:none}
.pulse{fill:#fff;opacity:0;offset-distance:0%;offset-rotate:0deg}
.pulse.on{opacity:1;animation:travel 2.8s var(--ease-io) infinite}
.pulse.on[data-i="1"]{animation-delay:-.7s}.pulse.on[data-i="2"]{animation-delay:-1.4s}.pulse.on[data-i="3"]{animation-delay:-2.1s}
@keyframes travel{0%{offset-distance:0%;opacity:0}15%{opacity:1}85%{opacity:1}100%{offset-distance:100%;opacity:0}}
.center-disc{fill:var(--paper);}
.center-book{fill:var(--ink)}
.center-glow{animation:breathe 5s ease-in-out -2s infinite;transform-origin:300px 240px}
@keyframes breathe{0%,100%{opacity:.55;transform:scale(.92)}50%{opacity:1;transform:scale(1.06)}}
.enode{cursor:pointer}
.enode .disc{fill:var(--ink);stroke:rgba(169,171,184,.55);stroke-width:1.2;transition:fill .4s var(--ease),stroke .4s var(--ease)}
.enode .halo{opacity:0;transition:opacity .5s var(--ease)}
.enode .seq{font-family:var(--f-mono);font-size:12px;font-weight:500;fill:#fff;text-anchor:middle;opacity:0;transition:opacity .4s var(--ease)}
.enode:hover .disc{stroke:var(--accent-lite)}
.enode.on .disc{fill:var(--accent);stroke:var(--accent-lite)}
.enode.on .halo{opacity:1}
.enode.on .seq{opacity:1}
.enode:focus-visible{outline:none}
.enode:focus-visible .disc{stroke:#fff;stroke-width:2.4}
.lbl{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;fill:var(--t-paper-2);text-anchor:middle;transition:fill .4s var(--ease)}
.lbl.on{fill:var(--t-paper)}
.lbl-center{fill:var(--t-paper)}
.eco-hint{color:var(--accent-lite);margin:0 0 16px}
.eco-toggles{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tog{display:inline-flex;align-items:center;gap:10px;min-height:44px;padding:0 16px 0 12px;border-radius:999px;border:1px solid rgba(169,171,184,.4);background:rgba(255,255,255,.02);font-size:.92rem;font-weight:500;color:var(--t-paper);transition:background-color .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease)}
.tog i{width:10px;height:10px;border-radius:50%;border:1.5px solid var(--t-paper-2);transition:background-color .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease)}
.tog:hover{border-color:var(--accent-lite);transform:translateY(-1px)}
.tog[aria-pressed="true"]{background:rgba(53,80,224,.28);border-color:var(--accent-lite)}
.tog[aria-pressed="true"] i{background:var(--accent-lite);border-color:var(--accent-lite);transform:scale(1.15)}
.tog-fixed{cursor:default;opacity:.85}
.tog-fixed:hover{transform:none}
.eco-desc{border-left:2px solid var(--accent);padding:4px 0 4px 20px;min-height:110px}
.eco-desc-tag{color:var(--accent-lite);margin:0 0 6px}
.eco-desc-text{font-family:var(--f-display);font-size:1.3rem;line-height:1.4;margin:0;transition:opacity .35s var(--ease),transform .35s var(--ease)}
.eco-desc.swap .eco-desc-text{opacity:0;transform:translateY(6px)}
.eco-seq{color:var(--t-paper);margin:26px 0 18px;line-height:1.8;text-transform:none;letter-spacing:.04em;font-size:.8rem}
.eco-note{color:var(--t-paper-2);font-size:.95rem;margin:0;max-width:46ch}
@media (max-width:900px){.eco-grid{grid-template-columns:1fr}}
@media (max-width:600px){.lbl{font-size:17px;letter-spacing:.02em}}

/* ---------- 5 método MAPA ---------- */
.mapa-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:clamp(32px,6vw,100px)}
.mapa-sticky{position:sticky;top:22vh;display:flex;gap:clamp(4px,1vw,14px)}
.ml{position:relative;display:block;font-family:var(--f-display);font-weight:700;font-size:clamp(4.5rem,11vw,10rem);line-height:1}
.ml b{display:block;color:transparent;-webkit-text-stroke:1.2px var(--t-ink-2)}
.ml b.fill{position:absolute;inset:0;color:var(--accent);-webkit-text-stroke:0;opacity:0;transform:translateY(8%);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.ml.on b.fill{opacity:1;transform:none}
.ml.done b.fill{opacity:1;transform:none;color:var(--t-ink)}
.mapa-steps{list-style:none;margin:0;padding:0}
.mstep{padding:clamp(28px,5vh,56px) 0;border-top:1px solid var(--paper-line);opacity:.38;transition:opacity .6s var(--ease)}
.mstep.on,.mstep.done{opacity:1}
.mstep p{margin:0;color:var(--t-ink-2);max-width:44ch}
.mstep-k{color:var(--accent)!important;margin-bottom:10px!important}
.mapa-foot{margin:clamp(40px,6vw,64px) 0 0;font-family:var(--f-display);font-style:italic;font-size:clamp(1.2rem,1.8vw,1.5rem);max-width:40ch}
@media (max-width:860px){.mapa-grid{grid-template-columns:1fr}.mapa-letters{position:sticky;top:64px;z-index:2;background:linear-gradient(var(--paper) 70%,rgba(244,239,230,0));padding:8px 0 16px}.mapa-sticky{position:static}.ml{font-size:clamp(3rem,15vw,5rem)}}

/* ---------- 6 diferenciais ---------- */
.diff{background:var(--paper-2)}
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{position:relative;background:var(--paper);border:1px solid var(--paper-line);border-radius:18px;padding:clamp(22px,2.4vw,32px);min-height:250px;display:flex;flex-direction:column;transition:transform .5s var(--ease),border-color .5s var(--ease),opacity .9s var(--ease)}
.card.c-wide{grid-column:span 2}
.card::after{content:"";position:absolute;inset:-1px;border-radius:inherit;box-shadow:0 0 0 1px var(--accent),0 24px 50px -24px rgba(53,80,224,.45);opacity:0;transition:opacity .5s var(--ease);pointer-events:none}
.card:hover{transform:translateY(-4px)}
.card:hover::after{opacity:1}
.card p{margin:0;color:var(--t-ink-2)}
.card .card-n{color:var(--accent);margin:auto 0 10px;padding-top:28px}
.ico{width:44px;height:44px;fill:none;stroke:var(--t-ink);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.ico *{stroke-dasharray:140;stroke-dashoffset:140;transition:stroke-dashoffset 1.6s var(--ease) .2s}
.card.in .ico *{stroke-dashoffset:0}
.bento .card.rv:nth-child(2){transition-delay:.08s}.bento .card.rv:nth-child(3){transition-delay:.16s}.bento .card.rv:nth-child(4){transition-delay:.08s}.bento .card.rv:nth-child(5){transition-delay:.16s}.bento .card.rv:nth-child(6){transition-delay:.24s}
.bento .card.rv.in.settled:nth-child(n){transition-delay:0s}
@media (max-width:980px){.bento{grid-template-columns:repeat(2,1fr)}}
@media (max-width:600px){.bento{grid-template-columns:1fr}.card.c-wide{grid-column:auto}.card{min-height:0}}

/* ---------- 7 know-how experience ---------- */
.exp{padding:clamp(110px,14vw,190px) 0}
.spot{position:absolute;left:0;top:0;width:900px;height:900px;margin:-450px 0 0 -450px;border-radius:50%;background:radial-gradient(circle,rgba(143,162,255,.16),rgba(53,80,224,.06) 35%,transparent 65%);pointer-events:none;transform:translate(var(--sx,70vw),var(--sy,300px));transition:transform .9s var(--ease)}
.exp-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:clamp(32px,6vw,90px);align-items:center;position:relative}
.exp-copy p{color:var(--t-paper-2);max-width:52ch}
.exp-copy .lede{margin-bottom:16px}
.exp-copy .fine{font-size:.88rem;opacity:.85;margin:20px 0 32px}
.stage-svg{width:100%;height:auto}
.draw{fill:none;stroke:var(--t-paper);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:600;stroke-dashoffset:600;transition:stroke-dashoffset 2s var(--ease)}
.draw.d2{stroke:var(--accent-lite);transition-delay:.6s}
.draw.d3{transition-delay:1.1s}
.draw.dot{fill:var(--accent-lite);stroke:none;opacity:0;transition:opacity .8s var(--ease) 1.9s}
.draw.beam{stroke:rgba(143,162,255,.4);stroke-dasharray:4 8;stroke-dashoffset:0;opacity:0;transition:opacity 1s var(--ease) 2.2s}
.exp-art.in .draw{stroke-dashoffset:0}
.exp-art.in .draw.dot,.exp-art.in .draw.beam{opacity:1}
.exp-tag{color:var(--t-paper-2);text-align:center;margin:18px 0 0}
.exp-tag span{color:var(--accent-lite)}
@media (max-width:860px){.exp-grid{grid-template-columns:1fr}.exp-art{max-width:420px}}

/* ---------- 8 trabalhar juntos ---------- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--t-ink)}
.tier{padding:34px clamp(20px,2.6vw,40px) 34px 0;border-right:1px solid var(--paper-line)}
.tier+.tier{padding-left:clamp(20px,2.6vw,40px)}
.tier:last-child{border-right:0}
.tier-n{font-family:var(--f-display);font-size:clamp(3.4rem,6vw,5rem);line-height:1;margin:0 0 26px;color:transparent;-webkit-text-stroke:1.2px var(--accent)}
.tier p{color:var(--t-ink-2);margin:0}
.tiers .tier.rv:nth-child(2){transition-delay:.1s}.tiers .tier.rv:nth-child(3){transition-delay:.2s}
.work-note{margin:40px 0 0;padding:20px 24px;border-radius:14px;background:var(--paper-2);color:var(--t-ink-2);max-width:80ch;font-size:.95rem}
@media (max-width:820px){.tiers{grid-template-columns:1fr}.tier,.tier+.tier{padding:28px 0;border-right:0;border-bottom:1px solid var(--paper-line)}}

/* ---------- 9 como funciona ---------- */
.flow{padding-top:0}
.timeline{position:relative}
.tl-track{position:absolute;left:0;right:0;top:9px;height:2px;background:var(--paper-line);border-radius:2px;overflow:hidden}
.tl-track i{display:block;height:100%;background:var(--accent);transform-origin:left;transform:scaleX(0)}
.tl-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(6,1fr);gap:clamp(14px,2vw,28px)}
.tl{position:relative;padding-top:44px}
.tl-dot{position:absolute;top:2px;left:0;width:16px;height:16px;border-radius:50%;background:var(--paper);border:2px solid var(--paper-line);transition:border-color .4s var(--ease),background-color .4s var(--ease)}
.tl.lit .tl-dot{border-color:var(--accent);background:var(--accent)}
.tl-n{color:var(--accent);margin:0 0 10px;font-size:.66rem}
.tl p{margin:0;color:var(--t-ink-2);font-size:.95rem}
.tl-steps .tl.rv:nth-child(2){transition-delay:.07s}.tl-steps .tl.rv:nth-child(3){transition-delay:.14s}.tl-steps .tl.rv:nth-child(4){transition-delay:.21s}.tl-steps .tl.rv:nth-child(5){transition-delay:.28s}.tl-steps .tl.rv:nth-child(6){transition-delay:.35s}
@media (max-width:980px){
  .tl-track{left:7px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .tl-track i{width:100%;height:100%;transform-origin:top;transform:scaleY(0)}
  .tl-steps{grid-template-columns:1fr;gap:34px}
  .tl{padding:0 0 0 44px}
  .tl-dot{top:4px}
}

/* ---------- 10 sobre ---------- */
.about{background:var(--paper-2)}
.about-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(40px,7vw,110px);align-items:center}
.fan{position:relative;aspect-ratio:1/1.05;max-width:520px}
.fan .f{position:absolute;width:44%;top:12%;left:28%;border-radius:3px 8px 8px 3px;box-shadow:0 30px 50px -24px rgba(21,22,27,.5);transform-origin:50% 120%;transition:transform 1s var(--ease)}
.fan .f1{transform:rotate(-6deg)}.fan .f2{transform:rotate(-2deg)}.fan .f3{transform:rotate(2deg)}.fan .f4{transform:rotate(6deg)}
.fan.in .f1{transform:translateX(-36%) rotate(-16deg)}
.fan.in .f2{transform:translateX(-12%) rotate(-5deg)}
.fan.in .f3{transform:translateX(12%) rotate(5deg)}
.fan.in .f4{transform:translateX(36%) rotate(16deg)}
.fan.in:hover .f1{transform:translateX(-46%) rotate(-20deg)}
.fan.in:hover .f2{transform:translateX(-16%) translateY(-4%) rotate(-7deg)}
.fan.in:hover .f3{transform:translateX(16%) translateY(-4%) rotate(7deg)}
.fan.in:hover .f4{transform:translateX(46%) rotate(20deg)}
.about-copy p{color:var(--t-ink-2);max-width:60ch}
.founder{color:var(--t-ink)!important;border-top:1px solid var(--paper-line);padding-top:22px;margin-top:26px}
@media (max-width:900px){.about-grid{grid-template-columns:1fr}.fan{max-width:380px;margin:0 auto;width:100%}}

/* ---------- 11 perguntas ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:clamp(32px,6vw,90px);align-items:start}
.faq-grid .sec-head{position:sticky;top:120px}
.faq-list{border-top:1px solid var(--paper-line)}
.q{border-bottom:1px solid var(--paper-line)}
.q summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;font-family:var(--f-display);font-size:clamp(1.1rem,1.5vw,1.3rem);transition:color .3s var(--ease)}
.q summary::-webkit-details-marker{display:none}
.q summary:hover{color:var(--accent)}
.q summary i{position:relative;flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--paper-line)}
.q summary i::before,.q summary i::after{content:"";position:absolute;left:50%;top:50%;width:10px;height:1.5px;margin:-.75px 0 0 -5px;background:currentColor;transition:transform .4s var(--ease)}
.q summary i::after{transform:rotate(90deg)}
.q[open] summary i::after{transform:rotate(0)}
.q p{margin:0;padding:0 48px 26px 0;color:var(--t-ink-2);animation:qin .5s var(--ease)}
@keyframes qin{from{opacity:0;transform:translateY(-6px)}}
@media (max-width:860px){.faq-grid{grid-template-columns:1fr}.faq-grid .sec-head{position:static}}

/* ---------- 12 apresente seu projeto ---------- */
.project-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(36px,6vw,90px);align-items:start;position:relative}
.project-copy{position:sticky;top:120px}
.pform{position:relative;background:var(--ink-2);border:1px solid var(--ink-line);border-radius:24px;padding:clamp(22px,3vw,40px);display:grid;gap:18px}
.pf-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.fld{display:grid;gap:8px;margin:0;border:0;padding:0;min-width:0}
.fld>span,.fld legend{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--t-paper-2)}
.fld input,.fld textarea,.fld select{width:100%;min-height:48px;border-radius:12px;border:1px solid #3A4052;background:#12141B;color:var(--t-paper);font:inherit;font-size:1rem;padding:12px 14px;transition:border-color .3s var(--ease),box-shadow .3s var(--ease)}
.fld textarea{resize:vertical;min-height:96px}
.fld select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--t-paper-2) 50%),linear-gradient(135deg,var(--t-paper-2) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 15px) 50%;background-size:5px 5px;background-repeat:no-repeat;padding-right:40px}
.fld input::placeholder,.fld textarea::placeholder{color:#7C7F8E}
.fld input:focus,.fld textarea:focus,.fld select:focus{outline:none;border-color:var(--accent-lite);box-shadow:0 0 0 3px rgba(143,162,255,.2)}
.fld.bad input,.fld.bad textarea,.fld.bad select{border-color:#E5847A}
.interest{display:flex;flex-wrap:wrap;gap:10px}
.interest legend{margin-bottom:10px;padding:0}
.pill{position:relative}
.pill input{position:absolute;opacity:0;inset:0;cursor:pointer;margin:0}
.pill span{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid #3A4052;font-size:.92rem;transition:background-color .3s var(--ease),border-color .3s var(--ease)}
.pill input:checked+span{background:var(--accent);border-color:var(--accent)}
.pill input:focus-visible+span{outline:2px solid var(--accent-lite);outline-offset:3px}
.interest.bad .pill span{border-color:#E5847A}
.privacy{margin:0;font-size:.82rem;color:var(--t-paper-2)}
.form-err{margin:0;color:#F0A39A;font-size:.9rem;min-height:0}
.form-err:empty{display:none}
.pform-ok{position:absolute;inset:0;border-radius:inherit;background:var(--ink-2);display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:40px;opacity:0;transform:scale(.98);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.pform-ok.show{opacity:1;transform:none}
.pform-ok[hidden]{display:none}
.pform-ok svg{width:64px;height:64px;fill:none;stroke:var(--accent-lite);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;margin-bottom:18px}
.pform-ok svg *{stroke-dasharray:140;stroke-dashoffset:140;transition:stroke-dashoffset 1.2s var(--ease) .2s}
.pform-ok.show svg *{stroke-dashoffset:0}
.pform-ok p{color:var(--t-paper-2);max-width:36ch;margin:0}
.pform-ok:focus{outline:none}
@media (max-width:900px){.project-grid{grid-template-columns:1fr}.project-copy{position:static}}
@media (max-width:560px){.pf-row{grid-template-columns:1fr}}

/* ---------- 13 rodapé ---------- */
.foot{background:#0C0E12;color:var(--t-paper-2);padding:64px 0 40px}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:40px;align-items:start}
.foot-logo{width:170px;height:auto}
.foot-line{margin:18px 0 0;max-width:32ch;font-size:.95rem}
.foot-nav{display:grid;gap:8px}
.foot-nav a,.foot-legal a{text-decoration:none;font-size:.92rem;transition:color .3s var(--ease)}
.foot-nav a:hover,.foot-legal a:hover{color:var(--t-paper)}
.foot-legal p{margin:10px 0 0;font-size:.85rem}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}

/* toques grossos: alvos de 44px */
@media (pointer:coarse){.btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center}.link-btn{min-height:44px;display:inline-flex;align-items:center}}

/* animações pausadas fora da tela e em abas escondidas */
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused!important}
.offscreen *,.offscreen *::before,.offscreen *::after,.offscreen::before,.offscreen::after{animation-play-state:paused!important}

/* movimento reduzido, por completo */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important;transition-delay:0s!important}
  body{opacity:1}
  .rv{opacity:1;transform:none}
  .starts li{opacity:1;transform:none}
  .ico *,.draw,.pform-ok svg *{stroke-dashoffset:0}
  .draw.dot,.draw.beam{opacity:1}
  .ml b.fill{opacity:1;transform:none;color:var(--t-ink)}
  .mstep{opacity:1}
  .tl-track i{transform:none}
  .tl .tl-dot{border-color:var(--accent);background:var(--accent)}
  .fan .f1{transform:translateX(-36%) rotate(-16deg)}.fan .f2{transform:translateX(-12%) rotate(-5deg)}.fan .f3{transform:translateX(12%) rotate(5deg)}.fan .f4{transform:translateX(36%) rotate(16deg)}
  .pulse.on{opacity:0}
}

/* ---------- o livro 3D da abertura ---------- */
.book-scene{position:absolute;inset:0;perspective:1600px;pointer-events:none;opacity:0;--bw:220px;--bh:390px;--bt:18px;--paper-pg:#F6F1E6}
.bk-shadow{position:absolute;left:0;top:0;width:calc(var(--bw)*1.05);height:calc(var(--bw)*.22);border-radius:50%;background:radial-gradient(closest-side,rgba(0,0,0,.65),rgba(0,0,0,0));filter:blur(6px);will-change:transform}
.bk-body{position:absolute;left:0;top:0;width:var(--bw);height:var(--bh);transform-style:preserve-3d;transform-origin:0 50%;will-change:transform}
.bk-body>*{position:absolute;transform-style:preserve-3d}
.bk-back{inset:0;background:#E9A43A;border-radius:2px 6px 6px 2px;box-shadow:0 30px 60px rgba(0,0,0,.45)}
.bk-edge{background:repeating-linear-gradient(90deg,#F3EDE1 0 1px,#D8CFBE 1px 2px)}
.bk-edge-r{left:calc(var(--bw) - 3px);top:3px;width:var(--bt);height:calc(var(--bh) - 6px);transform-origin:0 50%;transform:translateZ(calc(var(--bt) - 1px)) rotateY(90deg)}
.bk-edge-t,.bk-edge-b{left:2px;width:calc(var(--bw) - 5px);height:var(--bt);transform-origin:50% 0;background:repeating-linear-gradient(0deg,#F3EDE1 0 1px,#D8CFBE 1px 2px)}
.bk-edge-t{top:3px;transform:translateZ(calc(var(--bt) - 1px)) rotateX(-90deg)}
.bk-edge-b{top:calc(var(--bh) - 3px);transform:translateZ(calc(var(--bt) - 1px)) rotateX(-90deg)}
.bk-spine{left:0;top:0;width:var(--bt);height:var(--bh);transform-origin:0 50%;transform:rotateY(-90deg);background:linear-gradient(90deg,#C98A26,#F2AE3A 30%,#F7C163 55%,#E39D2F);display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:14px 0;overflow:hidden}
.bk-spine span,.bk-spine i{writing-mode:vertical-rl;transform:rotate(180deg);font-family:var(--f-body);font-weight:700;font-style:normal;text-transform:uppercase;letter-spacing:.08em;color:#231F20;white-space:nowrap}
.bk-spine span{font-size:calc(var(--bt)*.48)}
.bk-spine i{font-size:calc(var(--bt)*.34);font-weight:600}
/* páginas */
.bk-page{background:var(--paper-pg);border-radius:1px 4px 4px 1px;overflow:hidden;padding:12% 11% 10%;display:flex;flex-direction:column;color:#2A2723}
.bk-page::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(60,45,20,.22),rgba(60,45,20,0) 14%,rgba(60,45,20,0) 92%,rgba(60,45,20,.06))}
.bk-final{left:2px;top:3px;width:calc(var(--bw) - 5px);height:calc(var(--bh) - 6px);transform:translateZ(calc(var(--bt) - 6px))}
.bk-leaf{left:2px;top:3px;width:calc(var(--bw) - 5px);height:calc(var(--bh) - 6px);transform-origin:0 50%;--sh:0}
.bk-f{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.bk-leaf .pg-back{transform:rotateY(180deg)}
.bk-leaf .pg-back::after{background:linear-gradient(270deg,rgba(60,45,20,.22),rgba(60,45,20,0) 14%)}
.bk-leaf .bk-f::before{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;background:linear-gradient(90deg,rgba(0,0,0,.28),rgba(255,255,255,.18) 60%,rgba(0,0,0,.08));opacity:var(--sh)}
.pg-lines{display:block;flex:1;background:repeating-linear-gradient(180deg,rgba(42,39,35,.38) 0 1.5px,transparent 1.5px calc(var(--bh)*.032));-webkit-mask-image:linear-gradient(90deg,#000 0 100%);margin-top:4%}
.pg-lines.short{-webkit-mask-image:linear-gradient(180deg,#000 55%,transparent 55.5%);mask-image:linear-gradient(180deg,#000 55%,transparent 55.5%)}
.pg-kicker{margin:0;font-family:var(--f-mono);font-size:calc(var(--bw)*.035);letter-spacing:.18em;text-transform:uppercase;color:#7A5A1E}
.pg-rule{display:block;width:22%;height:1.5px;background:#E9A43A;margin:6% 0 2%}
.pg-num{font-family:var(--f-display);font-size:calc(var(--bw)*.04);text-align:center;color:#6B6458;margin-top:4%}
.pg-toc{display:block;flex:1;margin-top:8%;background:repeating-linear-gradient(180deg,rgba(42,39,35,.42) 0 1.5px,transparent 1.5px calc(var(--bh)*.055));-webkit-mask-image:linear-gradient(90deg,#000 70%,transparent 70%,transparent 86%,#000 86%);mask-image:linear-gradient(90deg,#000 70%,transparent 70%,transparent 86%,#000 86%)}
.pg-blank{padding:0}
.pg-title{align-items:center;text-align:center;justify-content:center;gap:6%}
.pg-t1{margin:0;font-family:var(--f-body);font-weight:700;text-transform:uppercase;font-size:calc(var(--bw)*.1);line-height:1;letter-spacing:.01em;color:#231F20}
.pg-t2{margin:0;font-family:var(--f-mono);font-size:calc(var(--bw)*.036);letter-spacing:.2em;text-transform:uppercase;color:#4A453D}
.pg-logo{width:46%;margin-top:18%;opacity:.9}
/* capa */
.bk-cover{left:0;top:0;width:var(--bw);height:var(--bh);transform-origin:0 50%}
.cv-front{border-radius:2px 6px 6px 2px;overflow:hidden;background:#fff}
.cv-front img{width:100%;height:100%;object-fit:cover}
.cv-front::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(0,0,0,.28) 0,rgba(0,0,0,.05) 2.5%,rgba(255,255,255,.35) 3.6%,rgba(0,0,0,.12) 5%,rgba(0,0,0,0) 8%)}
.cv-front::after{content:"";position:absolute;inset:0;z-index:2;background:linear-gradient(118deg,rgba(255,255,255,.32) 0%,rgba(255,255,255,0) 34%,rgba(255,255,255,0) 70%,rgba(0,0,0,.08) 100%)}
.cv-back{transform:rotateY(180deg);border-radius:6px 2px 2px 6px;background:#E9A43A radial-gradient(circle at 30% 20%,rgba(255,255,255,.25),transparent 60%)}
.cv-back::after{content:"";position:absolute;inset:0;background:linear-gradient(270deg,rgba(0,0,0,.25),rgba(0,0,0,0) 10%)}
@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){
  .book-scene{inset:96px 0 auto 0;height:clamp(300px,50svh,460px)}
}
@media (max-width:440px){.node-label{font-size:.54rem;letter-spacing:.05em;padding:4px 7px}}
/* celular: alvos de toque e letras mínimas */
@media (max-width:760px), (pointer:coarse){
  .foot-nav a,.foot-legal a{display:inline-flex;align-items:center;min-height:44px}
  .foot-nav{gap:0}
  .nav-logo{padding:6px 0}
  .back-tag,.book-author,.fld>span,.fld legend,.tl-n{font-size:.72rem}
  .book-face.back{font-size:.95rem}
}
/* celular: o leque de capas cabe inteiro na tela */
@media (max-width:600px){
  .fan .f{width:36%;left:32%}
  .fan.in .f1{transform:translateX(-62%) rotate(-14deg)}
  .fan.in .f2{transform:translateX(-22%) rotate(-5deg)}
  .fan.in .f3{transform:translateX(22%) rotate(5deg)}
  .fan.in .f4{transform:translateX(62%) rotate(14deg)}
  .fan{aspect-ratio:1/.85}
}
@media (max-width:600px) and (prefers-reduced-motion:reduce){
  .fan .f1{transform:translateX(-62%) rotate(-14deg)}.fan .f2{transform:translateX(-22%) rotate(-5deg)}.fan .f3{transform:translateX(22%) rotate(5deg)}.fan .f4{transform:translateX(62%) rotate(14deg)}
}
/* formulário: envio real */
.honey{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.pform .btn[disabled]{opacity:.7;cursor:progress;transform:none}
.form-err a{color:var(--accent-lite)}
.foot-mail{display:inline-flex;align-items:center;min-height:44px;margin-top:10px;color:var(--t-paper);text-decoration:underline;text-underline-offset:5px;text-decoration-color:rgba(244,239,230,.35)}
.foot-mail:hover{text-decoration-color:var(--accent-lite)}
.foot-legal{display:grid;justify-items:start;gap:2px}
.foot-social{display:inline-flex!important;align-items:center;gap:10px;min-height:44px;color:var(--t-paper)!important}
.foot-social svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6}
.foot-social svg .dot{fill:currentColor;stroke:none}