:root{--amarelo:#ffc800;--amarelo-forte:#f0b400;--amarelo-suave:#fff6d1;--preto:#0b0b0c;--grafite:#161618;--grafite-2:#222226;--grafite-3:#2e2e33;--c700:#3f3f46;--c600:#52525b;--c500:#71717a;--c400:#a1a1aa;--c300:#d4d4d8;--c200:#e4e4e7;--c100:#f4f4f5;--c50:#fafafa;--branco:#fff;--fonte:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--t:220ms cubic-bezier(.2,.8,.2,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.6 var(--fonte);color:var(--preto);background:var(--branco);-webkit-font-smoothing:antialiased;letter-spacing:-.006em}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}img{max-width:100%;display:block}
:focus-visible{outline:2px solid var(--amarelo-forte);outline-offset:3px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.marca{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.02em}
.selo{width:30px;height:30px;border-radius:8px;background:var(--amarelo);color:var(--preto);display:grid;place-items:center;font-weight:800}
.marca small{font-weight:500;color:var(--c400);font-size:14px;padding-left:10px;border-left:1px solid var(--grafite-3)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:999px;font-weight:600;font-size:15px;border:0;cursor:pointer;transition:background var(--t),transform var(--t),border-color var(--t);white-space:nowrap}
.btn:active{transform:scale(.98)}.btn-am{background:var(--amarelo);color:var(--preto)}.btn-am:hover{background:var(--amarelo-forte)}
.btn-esc{background:var(--preto);color:#fff}.btn-esc:hover{background:var(--grafite-2)}
.btn-cont{border:1px solid var(--grafite-3);color:#fff;background:transparent}.btn-cont:hover{border-color:var(--c500)}
.btn-cont-c{border:1px solid var(--c200);background:#fff}.btn-cont-c:hover{border-color:var(--c300);background:var(--c50)}
.rotulo{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--amarelo-forte)}
h1,h2,h3{letter-spacing:-.035em;line-height:1.08;margin:0}
/* topo */
.nav{position:sticky;top:0;z-index:40;background:rgba(11,11,12,.86);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid rgba(255,255,255,.06);color:#fff}
.nav .wrap{height:68px;display:flex;align-items:center;gap:28px}
.nav nav{display:flex;gap:26px;font-size:14px;color:var(--c300);margin-left:12px}.nav nav a:hover{color:#fff}
.nav .acoes{margin-left:auto;display:flex;gap:10px}.nav .btn{height:40px;padding:0 18px;font-size:14px}
/* hero */
.hero{background:var(--preto);color:#fff;position:relative;overflow:hidden;padding:88px 0 0}
.hero::before{content:"";position:absolute;width:900px;height:900px;left:50%;top:-420px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(255,200,0,.16),transparent 70%);pointer-events:none}
.hero .wrap{position:relative;text-align:center}
.hero h1{font-size:clamp(40px,6.4vw,80px);font-weight:800;letter-spacing:-.05em;max-width:15ch;margin:16px auto 22px}
.hero h1 em{font-style:normal;color:var(--amarelo)}
.hero .lead{font-size:clamp(17px,1.6vw,20px);color:var(--c400);max-width:44rem;margin:0 auto 34px;line-height:1.55}
.hero .ctas{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.selos{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;list-style:none;padding:0;margin:34px 0 0}
.selos li{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;background:var(--grafite);border:1px solid var(--grafite-3);color:var(--c300);font-size:13px}
.selos svg{width:15px;height:15px;color:var(--amarelo)}
/* mockup do produto */
.palco{margin:64px auto 0;max-width:1040px;border-radius:16px 16px 0 0;background:var(--grafite);border:1px solid var(--grafite-3);border-bottom:0;box-shadow:0 -30px 120px -40px rgba(255,200,0,.25);overflow:hidden;text-align:left}
.janela{display:flex;gap:7px;padding:12px 16px;border-bottom:1px solid var(--grafite-3)}.janela i{width:11px;height:11px;border-radius:50%;background:var(--grafite-3)}
.app{display:grid;grid-template-columns:200px minmax(0,1fr);background:var(--c50);color:var(--preto);min-height:420px}
.app-lado{background:#fff;border-right:1px solid var(--c200);padding:22px 16px}
.app-lado b{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--c500);margin-bottom:10px}
.app-lado span{display:flex;justify-content:space-between;font-size:13px;padding:7px 10px;border-radius:8px;color:var(--c600)}
.app-lado span.on{background:var(--preto);color:#fff;font-weight:600}.app-lado span.on em{color:var(--amarelo)}.app-lado em{font-style:normal;color:var(--c400);font-size:12px}
.app-main{padding:24px 28px}
.app-main .cont{display:grid;grid-template-columns:72px 1fr auto;gap:18px;align-items:center;background:var(--preto);color:#fff;border-radius:14px;padding:18px 20px;margin-bottom:22px}
.app-main .cont small{color:var(--amarelo);font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase}
.app-main .cont b{display:block;font-size:17px;letter-spacing:-.02em;margin:3px 0 8px}
.app-main .barra{height:4px;border-radius:4px;background:var(--grafite-3);max-width:260px}.app-main .barra i{display:block;height:100%;width:38%;background:var(--amarelo);border-radius:4px}
.app-main .cont .btn{height:38px;font-size:13px;padding:0 16px}
.app>*{min-width:0}.grade{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:18px}
.capa{aspect-ratio:1/1.414;border-radius:3px 7px 7px 3px;background:var(--grafite-2) center top/cover no-repeat;box-shadow:0 1px 1px rgba(0,0,0,.08),0 10px 24px -10px rgba(0,0,0,.45)}
.grade .t{font-size:12px;font-weight:600;margin-top:8px;line-height:1.3;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
/* seções */
section.s{padding:112px 0}
.cab{max-width:46rem;margin-bottom:56px}.cab.centro{margin-left:auto;margin-right:auto;text-align:center}
.cab h2{font-size:clamp(32px,4vw,52px);font-weight:800;margin:12px 0 16px}.cab p{color:var(--c600);font-size:18px;margin:0}
.passos{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.passo{border:1px solid var(--c200);border-radius:18px;padding:28px;background:#fff}
.passo .n{width:36px;height:36px;border-radius:10px;background:var(--amarelo-suave);color:var(--preto);font-weight:800;display:grid;place-items:center;margin-bottom:18px}
.passo h3{font-size:20px;margin-bottom:8px}.passo p{margin:0;color:var(--c600);font-size:15px}
/* proteção (escuro) */
.escuro{background:var(--preto);color:#fff}.escuro .cab p{color:var(--c400)}
.dois{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.lista{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:20px}
.lista li{display:grid;grid-template-columns:40px 1fr;gap:16px}
.lista .ic{width:40px;height:40px;border-radius:11px;background:var(--grafite-2);display:grid;place-items:center;color:var(--amarelo)}
.lista .ic svg{width:19px;height:19px}.lista b{display:block;font-size:16px;margin-bottom:2px}.lista span{color:var(--c400);font-size:15px}
.claro .lista .ic{background:var(--amarelo-suave);color:var(--preto)}.claro .lista span{color:var(--c600)}
.folha{background:#fff;color:#1d1d1f;border-radius:6px;padding:26px 30px;box-shadow:0 40px 80px -30px rgba(255,200,0,.25),0 2px 6px rgba(0,0,0,.4);position:relative;font-size:13px;line-height:1.75;transform:rotate(1.5deg)}
.folha .carimbo{font-size:10.5px;color:#a1a1aa;margin-bottom:14px;letter-spacing:.01em}
.folha .linha{height:8px;border-radius:4px;background:#e4e4e7;margin:10px 0}.folha .linha.c{width:72%}.folha .linha.d{width:88%}
.folha .marca-agua{position:absolute;left:28px;right:28px;top:52%;font-size:14px;color:rgba(0,0,0,.08);transform:rotate(-2deg);white-space:nowrap;overflow:hidden}
.folha .lupa{position:absolute;right:-18px;bottom:-22px;background:var(--amarelo);color:var(--preto);font-weight:700;font-size:12px;padding:8px 12px;border-radius:999px;box-shadow:0 8px 20px rgba(0,0,0,.35)}
/* instituições */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{border:1px solid var(--c200);border-radius:18px;padding:26px;background:#fff;transition:border-color var(--t),transform var(--t)}
.card:hover{border-color:var(--c300);transform:translateY(-2px)}
.card .ic{width:42px;height:42px;border-radius:12px;background:var(--preto);color:var(--amarelo);display:grid;place-items:center;margin-bottom:18px}.card .ic svg{width:20px;height:20px}
.card h3{font-size:18px;margin-bottom:6px}.card p{margin:0;color:var(--c600);font-size:15px}
.faixa-cta{margin-top:40px;display:flex;align-items:center;justify-content:space-between;gap:20px;background:var(--amarelo);border-radius:20px;padding:28px 32px;flex-wrap:wrap}
.faixa-cta b{font-size:22px;letter-spacing:-.02em}.faixa-cta span{display:block;color:var(--c700);font-size:15px}
/* acessibilidade */
.cinza{background:var(--c50)}
.demo-a11y{background:#000;color:#ffe500;border-radius:16px;padding:30px;font-size:19px;line-height:1.8;font-weight:500;box-shadow:0 30px 60px -30px rgba(0,0,0,.5)}
.demo-a11y .falando{background:#ffe500;color:#000;border-radius:4px;box-shadow:0 0 0 5px #ffe500}
.demo-a11y .controles{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}
.demo-a11y .controles span{font-size:12px;font-weight:600;color:#000;background:#ffe500;border-radius:999px;padding:6px 12px}
/* acervo */
.areas{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:8px}
.areas span{height:40px;display:inline-flex;align-items:center;padding:0 18px;border-radius:999px;border:1px solid var(--c200);font-size:14px;font-weight:500;background:#fff}
.estante-linha{display:grid;grid-template-columns:repeat(8,1fr);gap:16px;margin-top:44px}
/* faq */
.faq{max-width:800px;margin:0 auto}
.faq details{border-bottom:1px solid var(--c200);padding:20px 0}
.faq summary{cursor:pointer;list-style:none;font-weight:600;font-size:17px;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";font-size:22px;color:var(--c500);line-height:1}
.faq details[open] summary::after{content:"−"}.faq p{color:var(--c600);margin:12px 0 0}
/* formulário */
.form-sec{background:var(--preto);color:#fff}
.form-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:start}
.form-grid .cab p{color:var(--c400)}
.contato-info{margin-top:28px;color:var(--c400);font-size:15px}.contato-info b{color:#fff}
form.caixa{background:#fff;color:var(--preto);border-radius:20px;padding:32px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.campo{display:flex;flex-direction:column;gap:7px}.campo.inteiro{grid-column:1/-1}
.campo label{font-size:13px;font-weight:600;color:var(--c600)}
.campo input,.campo select,.campo textarea{height:48px;padding:0 14px;border:1px solid var(--c200);border-radius:12px;background:#fff;font-size:15px;transition:border-color var(--t),box-shadow var(--t);width:100%}
.campo textarea{height:110px;padding:12px 14px;resize:vertical}
.campo input:focus,.campo select:focus,.campo textarea:focus{outline:none;border-color:var(--preto);box-shadow:0 0 0 4px rgba(255,200,0,.35)}
.consent{grid-column:1/-1;display:flex;gap:10px;font-size:13px;color:var(--c600);line-height:1.5;align-items:flex-start}
.consent input{width:18px;height:18px;margin-top:2px;accent-color:var(--preto);flex:none}
.consent a{text-decoration:underline}
.cf-turnstile{grid-column:1/-1}
form.caixa .btn{grid-column:1/-1;height:52px;font-size:16px}
.msg{grid-column:1/-1;font-size:14px;border-radius:12px;padding:12px 14px;display:none}.msg.erro{display:block;background:#fdecec;color:#8c1d1f}
.sucesso{background:#fff;color:var(--preto);border-radius:20px;padding:48px 32px;text-align:center}
.sucesso .ok{width:64px;height:64px;border-radius:50%;background:var(--amarelo-suave);display:grid;place-items:center;margin:0 auto 18px;font-size:28px}
.sucesso h3{font-size:26px;margin-bottom:8px}.sucesso p{color:var(--c600);margin:0}
/* rodapé */
footer{background:var(--preto);color:var(--c400);font-size:13px;border-top:1px solid var(--grafite-2)}
footer .wrap{padding-top:40px;padding-bottom:32px;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
footer .marca{color:#fff;margin-bottom:14px}footer b{color:var(--c300);font-weight:600}
footer nav{display:flex;flex-direction:column;gap:8px}footer nav a{color:var(--c300);width:fit-content}footer nav a:hover{color:var(--amarelo)}
footer .fim{grid-column:1/-1;border-top:1px solid var(--grafite-2);padding-top:18px;color:var(--c500);font-size:12px}
@media (max-width:960px){
  .nav nav{display:none}.dois,.form-grid{grid-template-columns:minmax(0,1fr);gap:40px}.passos,.cards{grid-template-columns:minmax(0,1fr)}.form-grid>*,.dois>*,.campo{min-width:0}
  .app{grid-template-columns:minmax(0,1fr)}.app-lado{display:none}.grade{grid-template-columns:repeat(3,minmax(0,1fr))}.estante-linha{grid-template-columns:repeat(4,1fr)}
  footer .wrap{grid-template-columns:1fr}section.s{padding:80px 0}
}
@media (max-width:560px){
  .wrap{padding:0 16px}.nav .btn-cont{display:none}.nav .wrap{gap:12px}.marca small{display:none}.nav .btn-am{padding:0 14px}
  body{overflow-x:hidden}.selos li{font-size:12px}.hero{padding-top:64px}.app-main{padding:16px}
  .app-main .cont{grid-template-columns:56px minmax(0,1fr)}.palco{max-width:100%}.app-main .cont .btn{display:none}
  form.caixa{grid-template-columns:minmax(0,1fr);padding:20px}.folha{transform:none}.faixa-cta{padding:24px}
}
.so-estreito{display:none}@media (max-width:420px){.so-largo{display:none}.so-estreito{display:inline}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* capas ilustrativas (sem acervo real) */
.capa-arte{position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;padding:10% 10% 9%;font-family:var(--fonte)}
.capa-arte{container-type:inline-size}.capa-arte .ca-area{font-size:clamp(6px,10.5cqw,13px);overflow-wrap:anywhere;line-height:1.15;font-weight:800;letter-spacing:.08em;text-transform:uppercase;position:relative}
.capa-arte .ca-linhas{display:flex;flex-direction:column;gap:5px;position:relative}
.capa-arte .ca-linhas i{display:block;height:5px;border-radius:3px;background:currentColor;opacity:.85;width:82%}
.capa-arte .ca-linhas i+i{width:56%;opacity:.5}
.capa-arte .ca-selo{position:absolute;right:9%;bottom:7%;width:14px;height:14px;border-radius:3px;background:#ffc800;color:#0b0b0c;font-size:9px;font-weight:800;display:grid;place-items:center}
.t.ca-ph{height:8px;border-radius:4px;background:var(--c200);width:80%;margin-top:10px}

/* três portas logo abaixo da abertura */
.portas{background:var(--preto);padding:0 0 8px;position:relative;z-index:2}
.portas .wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;transform:translateY(-36px)}
.porta{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;align-items:start;background:#fff;color:var(--preto);border:1px solid var(--c200);border-radius:18px;padding:20px 22px;box-shadow:0 20px 40px -24px rgba(0,0,0,.45);transition:transform var(--t),border-color var(--t)}
.porta:hover{transform:translateY(-3px);border-color:var(--c300)}
.porta .p-ic{width:44px;height:44px;border-radius:12px;background:var(--c100);display:grid;place-items:center;font-size:18px;font-weight:700}
.porta.destaque{background:var(--amarelo);border-color:var(--amarelo)}.porta.destaque .p-ic{background:var(--preto);color:var(--amarelo)}
.porta small{display:block;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--c500)}.porta.destaque small{color:var(--c700)}
.porta b{display:block;font-size:18px;letter-spacing:-.02em;margin:2px 0}.porta .p-txt>span{font-size:14px;color:var(--c600)}.porta.destaque .p-txt>span{color:var(--c700)}
@media (max-width:960px){.portas .wrap{grid-template-columns:minmax(0,1fr);transform:none;padding-top:24px;padding-bottom:24px}}

/* ---------- produção de livros e materiais sob medida ---------- */
.producao{background:var(--c50);border-top:1px solid var(--c200)}
.producao .lista li span{color:var(--c600)}.claro-lista .ic{background:var(--amarelo-suave);color:var(--preto)}
.caso{background:#2b2b2b;color:#fff;border-radius:18px;padding:22px 24px;margin:32px 0 28px;border-bottom:4px solid #eab308}
.caso-cab{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.caso-cab img{height:auto}
.caso-cab span{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:#a1a1aa}
.caso-num{display:flex;flex-direction:column;gap:8px}.caso-num b{font-family:Karla,var(--fonte);font-size:44px;font-weight:800;line-height:1;color:#eab308;white-space:nowrap}
.caso-num span{font-size:14px;line-height:1.5;color:#d4d4d8}
.mostra-livro{position:relative;min-height:520px;display:flex;align-items:center;justify-content:center;perspective:1600px}
.mostra-livro::before{content:"";position:absolute;inset:8% 4%;background:radial-gradient(closest-side,rgba(234,179,8,.22),transparent);z-index:0}
.livro-3d{position:relative;z-index:2;width:270px;height:380px;transform:rotateY(-24deg) rotateX(4deg) translateX(-70px);transform-style:preserve-3d;filter:drop-shadow(-24px 30px 40px rgba(0,0,0,.35))}
.lv-capa{position:absolute;inset:0;background:linear-gradient(160deg,#3d3d3d,#2b2b2b 45%,#1a1a1a);border-radius:4px 10px 10px 4px;overflow:hidden;padding:30px 26px;display:flex;flex-direction:column;font-family:Karla,var(--fonte);color:#fff;border-bottom:6px solid #eab308}
.lv-faixa{position:absolute;left:0;top:0;bottom:0;width:14px;background:#d32f2f}
.lv-serie{font-size:10px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#eab308;margin-left:8px}
.lv-titulo{font-size:28px;font-weight:800;line-height:1.02;text-transform:uppercase;margin:18px 0 0 8px;letter-spacing:-.01em}.lv-titulo em{font-style:normal;color:#eab308}
.lv-sub{font-size:12px;color:#d4d4d8;margin:12px 0 0 8px;max-width:180px;line-height:1.4}
.lv-arte{position:absolute;right:-60px;bottom:40px;width:220px;height:220px}
.lv-arte i{position:absolute;inset:0;border-radius:50%;border:2px solid rgba(234,179,8,.55)}.lv-arte i:nth-child(2){inset:30px;border-color:rgba(211,47,47,.7)}.lv-arte i:nth-child(3){inset:62px;background:rgba(234,179,8,.18);border-color:transparent}
.lv-logo{position:absolute;left:34px;bottom:26px;width:132px;height:auto}
.lv-lombada{position:absolute;left:0;top:0;bottom:0;width:30px;background:linear-gradient(90deg,#111,#2b2b2b);transform:rotateY(90deg);transform-origin:left;border-radius:3px 0 0 3px}
.lv-folhas{position:absolute;right:-12px;top:6px;bottom:6px;width:14px;background:repeating-linear-gradient(90deg,#f4f4f5 0 1px,#d4d4d8 1px 2px);transform:rotateY(70deg);transform-origin:left;border-radius:0 3px 3px 0}
.lv-pagina{position:absolute;z-index:3;right:2%;bottom:6%;width:250px;background:#fff;border-radius:10px;padding:20px 20px 14px;box-shadow:0 24px 60px rgba(0,0,0,.18),0 0 0 1px var(--c200);transform:rotate(3deg);font-family:Karla,var(--fonte);display:flex;flex-direction:column;gap:7px}
.pg-tema{font-size:10px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:#d32f2f}
.pg-titulo{font-size:17px;font-weight:800;color:#2b2b2b;text-transform:uppercase;line-height:1.1;margin-bottom:4px}
.pg-l{display:block;height:6px;border-radius:3px;background:var(--c200)}.pg-l.curta{width:62%}
.pg-atencao{background:#fff6d1;border-left:3px solid #eab308;border-radius:6px;padding:8px 10px;display:flex;flex-direction:column;gap:6px;margin:4px 0}.pg-atencao b{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:#2b2b2b}.pg-atencao .pg-l{background:#f5e3a0}
.pg-fluxo{display:flex;align-items:center;gap:4px;margin:6px 0}.pg-fluxo span{flex:1;text-align:center;font-size:9px;font-weight:700;color:#fff;background:#2b2b2b;border-radius:6px;padding:6px 2px}.pg-fluxo span:last-child{background:#16a34a}.pg-fluxo i{width:10px;height:2px;background:#d32f2f;flex:none}
.pg-rodape{display:flex;justify-content:space-between;align-items:center;margin-top:6px;padding-top:8px;border-top:1px solid var(--c200);font-size:10px;color:var(--c500)}.pg-rodape img{filter:invert(1) brightness(.35);height:auto}
.lv-legenda{position:absolute;left:50%;bottom:0;transform:translateX(-50%);font-size:12px;color:var(--c500);z-index:3}
@media (max-width:960px){
  .mostra-livro{min-height:440px;transform:scale(.86)}
  .livro-3d{transform:rotateY(-20deg) translateX(-40px)}
  .lv-pagina{right:0;width:220px}
  .caso-num{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:420px){.mostra-livro{transform:scale(.74);margin:-50px -20px}}

.nav nav a{white-space:nowrap}