.revista {
    --rev-papel: #14110f;
    --rev-folha: #1b1614;
    --rev-linha: rgba(255, 214, 120, 0.28);
    padding: 18px 12px 48px;
}

.revista-mesa {
    max-width: 920px;
    margin: 0 auto;
}

.revista-topo {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    color: var(--mute);
    font-size: 0.92rem;
}

.revista-livro {
    position: relative;
    height: min(78vh, 760px);
    min-height: 560px;
    perspective: 2200px;
    filter: drop-shadow(0 28px 40px rgba(0, 0, 0, 0.45));
}

.revista-pagina {
    position: absolute;
    inset: 0;
    padding: 28px 32px 56px;
    border-radius: 4px 14px 14px 4px;
    background:
        linear-gradient(90deg, rgba(0, 0, 0, 0.28) 0, transparent 18px),
        radial-gradient(1200px 400px at 0 -80px, #e10600 0%, transparent 42%),
        linear-gradient(180deg, #221814, var(--rev-folha) 28%, #100d0c);
    border: 1px solid var(--rev-linha);
    box-shadow: inset -18px 0 28px rgba(0, 0, 0, 0.18);
    color: #f3eee8;
    overflow: auto;
    transform-origin: left center;
    backface-visibility: hidden;
    transition: transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1), box-shadow 0.4s ease;
    z-index: 1;
}

.revista-pagina.is-frente { z-index: 2; }
.revista-pagina.is-atual { z-index: 4; }
.revista-pagina.is-atras {
    transform: rotateY(-180deg);
    z-index: 3;
    box-shadow: none;
    pointer-events: none;
}

.revista-pagina--capa,
.revista-pagina--contra {
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    background:
        radial-gradient(900px 420px at 50% -40px, #e10600 0%, transparent 50%),
        #070707;
}

.revista-pagina h2,
.revista-pagina h3 {
    font-family: Oswald, sans-serif;
    letter-spacing: 0.03em;
    margin: 0 0 10px;
}

.revista-pagina h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.revista-pagina h3 { font-size: 1.15rem; color: #ffd678; }

.revista-pagina p,
.revista-pagina li { line-height: 1.45; }

.revista-kicker {
    color: #ffd678;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    font-size: 0.78rem;
    margin: 0 0 8px;
}

.revista-marca {
    width: 120px;
    height: auto;
    margin: 0 auto 16px;
    display: block;
}

.revista-capa-titulo {
    font-family: Oswald, sans-serif;
    font-size: clamp(2.6rem, 8vw, 4.4rem);
    line-height: 0.92;
    margin: 0 0 12px;
}

.revista-num {
    position: absolute;
    right: 22px;
    bottom: 16px;
    color: #ffd678;
    font-size: 0.82rem;
}

.revista-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.revista-card {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 12px;
    border-radius: 16px;
    background: rgba(38, 12, 12, 0.72);
    border: 1px solid rgba(225, 6, 0, 0.28);
}

.revista-card strong { display: block; color: #ffd678; }

.revista-icone {
    flex: 0 0 36px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #e10600;
    color: #fff;
    display: grid;
    place-items: center;
}

.revista-icone svg { width: 18px; height: 18px; fill: currentColor; }

.revista-lista {
    margin: 0;
    padding-left: 1.1rem;
}

.revista-lista li { margin: 0 0 6px; }

.revista-sumario {
    display: grid;
    gap: 8px;
}

.revista-sumario button {
    appearance: none;
    border: 0;
    background: transparent;
    color: #f3eee8;
    text-align: left;
    padding: 8px 0;
    border-bottom: 1px dashed rgba(255, 214, 120, 0.2);
    cursor: pointer;
    font: inherit;
}

.revista-sumario button:hover { color: #ffd678; }

.revista-passos {
    display: grid;
    gap: 10px;
}

.revista-passo {
    display: grid;
    grid-template-columns: 36px 1fr;
    gap: 10px;
    align-items: start;
}

.revista-passo b {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #e10600;
    display: grid;
    place-items: center;
    font-family: Oswald, sans-serif;
}

.revista-estrelas { color: #ffd678; letter-spacing: 2px; font-size: 1.2rem; }

.revista-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 16px;
}

.revista-nav button {
    min-width: 48px;
    height: 48px;
    border-radius: 999px;
    border: 0;
    background: #e10600;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
}

.revista-nav button:disabled {
    opacity: 0.35;
    cursor: default;
}

.revista-indicador { color: #ffd678; min-width: 5rem; text-align: center; }

.revista-cta {
    display: inline-flex;
    margin: 8px 6px 0;
}

@media (max-width: 720px) {
    .revista-livro {
        height: auto;
        min-height: 620px;
    }
    .revista-grid { grid-template-columns: 1fr; }
    .revista-pagina { padding: 22px 18px 52px; }
}