:root{--ink:#132139;--muted:#5b6a80;--blue:#2156bd;--orange:#d94c19;--paper:#fff;--wash:#f5f7fc;--line:#e2e8f2;--radius:24px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--wash);color:var(--ink);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #e87543;outline-offset:5px}img{max-width:100%;height:auto;display:block}h1,h2,h3,h4{line-height:1.18;letter-spacing:-.035em;text-wrap:balance}h1{font-size:clamp(2rem,3.8vw,3.3rem);max-width:950px}h2{font-size:clamp(1.5rem,2.5vw,2rem)}h3{font-size:1.32rem}h4{font-size:1.13rem}p{margin:0 0 1.1em}.container{width:min(1180px,calc(100% - 56px));margin-inline:auto}.skip-link{position:absolute;top:-100px;z-index:100;background:white;padding:12px}.skip-link:focus{top:8px}.site-header{background:#ffffffed;border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.header-inner{display:flex;justify-content:space-between;align-items:center;gap:28px;min-height:88px}.brand{font-size:1.3rem;font-weight:850;text-decoration:none;color:var(--ink);white-space:nowrap;letter-spacing:-.05em}.brand span{color:var(--blue)}.site-header nav,.header-links,.header-actions{display:flex;align-items:center;gap:26px}.header-links a,.login-link{font-weight:650;text-decoration:none;color:var(--ink);font-size:.92rem;min-height:44px;display:inline-flex;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;background:var(--blue);border-radius:12px;color:#fff!important;text-decoration:none;font-weight:750;padding:15px 24px;min-height:48px;line-height:1.3;box-shadow:0 5px 16px 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h1{font-size:clamp(1.75rem,6vw,2.2rem);line-height:1.18;margin-bottom:20px}.book-hero .lead{font-size:1rem;line-height:1.8}.hero-cover{display:none}.byline{font-size:.68rem;gap:6px 12px;margin-top:20px}.reading-layout{display:block;margin-top:26px}.reading-sidebar{position:static}.toc{margin-bottom:20px;padding:16px 18px}.toc summary{min-height:36px}.toc li{margin-bottom:12px}.toc a{padding:4px 0}.sidebar-note{display:none}.prose{font-size:1.03rem;line-height:1.85;padding:26px 20px;border-radius:20px}.prose>h2{font-size:1.5rem}.prose h3{font-size:1.22rem;line-height:1.3}.prose h4{font-size:1.08rem}.prose>h2:not(:first-child){margin-top:36px;padding-top:26px}.editorial-note{padding:18px;font-size:.76rem}.product-banner{grid-template-columns:1fr;gap:22px;padding:26px 22px;border-radius:22px;margin:34px 0}.product-banner--compact{margin:20px 0 26px}.product-banner h2{font-size:1.75rem;line-height:1.16;max-width:440px}.banner-subtitle{font-size:1.04rem;margin-bottom:14px}.banner-description{font-size:.84rem;line-height:1.7;margin-bottom:0}.banner-kicker{font-size:.6rem;margin-bottom:12px}.banner-action{margin-top:20px}.banner-action .button{width:100%;min-height:49px;font-size:.86rem;white-space:normal}.banner-action>span{font-size:.66rem;text-align:center;margin-top:10px}.format-grid{gap:10px}.format-card{display:flex;align-items:center;padding:14px 12px;gap:10px;border-radius:13px}.format-icon{width:32px;height:32px;margin:0;flex-shrink:0}.format-icon svg{width:20px;height:20px}.format-card strong{font-size:.71rem;line-height:1.4}.format-card p{font-size:.65rem;margin-top:4px}.product-banner--compact .format-card p{display:none}.product-banner--full .format-card{align-items:flex-start}.catalog-hero{padding:30px 24px;border-radius:23px;margin-bottom:22px}.catalog-hero h1{font-size:clamp(2rem,7.2vw,2.7rem)}.catalog-hero .lead{font-size:.94rem;line-height:1.75}.count{font-size:.68rem}.category-nav{margin:18px -1px 20px;gap:8px}.category-nav a{font-size:.75rem;padding:10px 14px}.book-grid,.category-grid{grid-template-columns:1fr;gap:14px}.section-heading{gap:12px;align-items:center}.section-heading h2{font-size:1.22rem}.section-heading>a{font-size:.72rem;white-space:nowrap}.category-section{margin:26px 0 40px}.card-main{padding:20px;gap:18px}.card-main>img,.type-cover{width:82px}.type-cover{min-height:118px}.card-text h3{font-size:1.075rem}.card-excerpt{font-size:.83rem;line-height:1.65}.author{font-size:.76rem}.text-link{font-size:.8rem}.category-box{padding:26px}.category-return{font-size:.84rem}.related{margin-bottom:44px}.related>h2{font-size:1.5rem}.site-footer{padding-top:36px;margin-top:40px}}@media(max-width:360px){.container{width:calc(100% - 24px)}.brand{font-size:1.02rem}.button.small{padding:10px;font-size:.69rem}.book-hero,.catalog-hero,.product-banner{padding:22px 18px}.prose{padding:24px 17px}.format-card{display:block;padding:12px}.format-icon{margin-bottom:8px}.card-main{padding:16px;gap:14px}.card-main>img,.type-cover{width:68px}.card-text h3{font-size:.98rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Ajustes: banners escuros, logotipo e capa visível no celular. */
.brand{display:inline-flex;align-items:center;flex-shrink:0;line-height:1}
.brand img{display:block;width:176px;height:auto;aspect-ratio:253/88;object-fit:contain}
.product-banner--intro{padding:36px;margin:24px 0 32px}
@media(max-width:1050px){.product-banner--intro{padding:30px}}
@media(max-width:720px){
 .brand img{width:124px}
 .product-banner--intro{padding:26px 22px;margin:20px 0 26px}
 .product-banner--intro .format-card p{display:none}
 .book-hero{display:flex;flex-direction:column;align-items:stretch;gap:0}
 .hero-cover{display:block;order:-1;width:96px;align-self:flex-start;margin:0 0 22px}
 .hero-cover img{width:96px;height:auto;aspect-ratio:290/415;border-radius:9px;box-shadow:0 8px 18px #1522381a}
 .hero-cover figcaption{display:none}
}
@media(max-width:360px){.brand img{width:112px}.product-banner--intro{padding:22px 18px}}