/* ============================================================
   home.css — Featured (carrossel) + Filtros + Grid + Newsletter
   Monocromático puro. Cards brancos com shadow sobre off-white.
   ============================================================ */

.sec-head { margin-bottom: 1.8rem; }

/* ============================================================
   FEATURED — carrossel de livros
   ============================================================ */
.featured { padding-top: clamp(2rem, 5vw, 3.5rem); }
.carousel { position: relative; }
.carousel-track {
    /* scroll-behavior herdado de html{smooth} quebra o scrollTo programático em
       alguns navegadores; forçamos auto e animamos via JS quando suportado. */
    display: flex; gap: 1.5rem; overflow-x: auto;
    scroll-snap-type: x mandatory; scroll-behavior: auto;
    -webkit-overflow-scrolling: touch; scrollbar-width: none; padding-bottom: .3rem;
}
.carousel-track::-webkit-scrollbar { display: none; }
.slide { scroll-snap-align: start; flex: 0 0 100%; min-width: 100%; }

.slide-inner {
    display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.15fr);
    gap: clamp(1.2rem, 3vw, 2.5rem); align-items: center;
    background: var(--card); border-radius: var(--radius-lg);
    padding: clamp(1rem, 2.2vw, 1.5rem) clamp(1.5rem, 4vw, 3rem); box-shadow: var(--shadow-md);
}
.slide-cover { display: flex; justify-content: center; position: relative; }
.slide-cover img { width: min(48%, 150px); border-radius: 8px; box-shadow: var(--shadow-lg); }
.slide-badge {
    position: absolute; top: -.5rem; left: 50%; transform: translateX(-92px);
    background: var(--dark); color: #fff; font-size: .68rem; font-weight: 700;
    letter-spacing: .1em; padding: .3rem .7rem; border-radius: 100px;
}
.slide-body .eyebrow { margin-bottom: .3rem; }
.slide-body h3 { font-size: clamp(1.5rem, 3vw, 2.1rem); line-height: 1.08; }
.slide-body .slide-tag { color: var(--ink-2); font-size: .98rem; margin: .4rem 0 1rem; }

/* Collage IJ */
.ij-collage { display: flex; justify-content: center; align-items: flex-end; }
.ij-collage img { width: 58px; border-radius: 5px; box-shadow: var(--shadow-md); transition: transform .4s var(--ease); }
.ij-collage img:not(:first-child) { margin-left: -22px; }
.ij-collage img:nth-child(1) { transform: rotate(-8deg) translateY(6px); z-index: 1; }
.ij-collage img:nth-child(2) { transform: rotate(-4deg) translateY(2px); z-index: 2; }
.ij-collage img:nth-child(3) { transform: rotate(0) translateY(-2px); z-index: 3; }
.ij-collage img:nth-child(4) { transform: rotate(4deg) translateY(2px); z-index: 2; }
.ij-collage img:nth-child(5) { transform: rotate(8deg) translateY(6px); z-index: 1; }
.slide:hover .ij-collage img:nth-child(3) { transform: translateY(-8px); }

.carousel-nav { display: flex; align-items: center; justify-content: space-between; margin-top: 1.2rem; }
.carousel-dots { display: flex; gap: .5rem; }
.carousel-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); transition: background .2s, transform .2s; }
.carousel-dot.active { background: var(--ink); transform: scale(1.2); }
.carousel-arrows { display: flex; gap: .5rem; }
.carousel-arrows button {
    width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line-2); background: var(--card);
    color: var(--ink); display: inline-flex; align-items: center; justify-content: center; transition: all .2s var(--ease);
}
.carousel-arrows button:hover:not(:disabled) { border-color: var(--ink); }
.carousel-arrows button:disabled { opacity: .3; cursor: default; }
.featured-all { text-align: center; margin-top: 1.5rem; }

@media (max-width: 720px) {
    .slide-inner { grid-template-columns: 1fr; text-align: center; }
    .slide-cover { order: -1; }
    .slide-badge { transform: translateX(-60px); }
    .ij-collage img { width: 62px; }
}

/* ============================================================
   FILTROS + GRID
   ============================================================ */
.filters { display: flex; flex-wrap: wrap; gap: .55rem; margin-bottom: 2rem; align-items: center; }
.chip {
    font-size: .85rem; font-weight: 500; padding: .5rem 1rem; border-radius: 100px;
    border: 1px solid var(--line-2); color: var(--ink-2); background: var(--card); transition: all .2s var(--ease);
}
.chip:hover { border-color: var(--ink); color: var(--ink); }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip-seeall { margin-left: auto; border: none; background: none; color: var(--ink); font-weight: 600; }
.chip-seeall:hover { text-decoration: underline; }

.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

/* Card monocromático branco com ícone por categoria + borda lateral cinza */
.post-card {
    position: relative; background: var(--card); border-radius: var(--radius);
    border-left: 4px solid var(--card-gray, var(--line-2));
    padding: 1.5rem 1.6rem; display: flex; flex-direction: column; gap: .6rem;
    min-height: 230px; box-shadow: var(--shadow-sm);
    transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.post-icon { font-size: 1.4rem; line-height: 1; color: var(--ink-2); }
.post-card .post-title { font-family: var(--font-display); font-weight: 700; font-size: 1.3rem; line-height: 1.2; letter-spacing: -0.02em; }
.post-card .post-title a { color: var(--ink); }
.post-card:hover .post-title a { text-decoration: underline; }
.post-headline { color: var(--ink-2); font-size: .95rem; line-height: 1.5; flex: 1; }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem; font-size: .78rem; color: var(--ink-3); margin-top: auto; }
.post-meta .sep { opacity: .5; }
.post-tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.post-tags a { font-size: .72rem; color: var(--pill-ink); background: var(--pill); padding: .18rem .55rem; border-radius: 100px; transition: background .2s, color .2s; }
.post-tags a:hover { background: var(--ink); color: #fff; }

.posts-empty { grid-column: 1/-1; text-align: center; color: var(--ink-2); padding: 3rem 1rem; }
.posts-all { text-align: center; margin-top: 2.2rem; }

@media (max-width: 900px) { .posts-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .posts-grid { grid-template-columns: 1fr; } .chip-seeall { margin-left: 0; } }

/* ============================================================
   NEWSLETTER (fundo escuro, combina com footer)
   ============================================================ */
.news { background: var(--dark); color: #ededed; }
.news-inner { max-width: 44rem; margin-inline: auto; text-align: center; }
.news h2 { color: #fff; font-size: clamp(1.5rem, 3.2vw, 2.1rem); margin-bottom: .4rem; white-space: nowrap; }
.news p { color: #a9a9a9; margin-bottom: 1.5rem; }
.news-form { display: flex; gap: .6rem; flex-wrap: wrap; justify-content: center; }
.news-form input {
    flex: 1 1 260px; padding: .85rem 1.2rem; border: 1.5px solid #3a3a3a;
    border-radius: 100px; background: #1c1c1c; color: #fff; font: inherit;
}
.news-form input::placeholder { color: #8c8c8c; }
.news-form input:focus { outline: none; border-color: #fff; }
/* Botão "Assinar" no estilo texto + seta (laranja Amazon como os demais CTAs) sobre fundo escuro */
.news-form .btn { white-space: nowrap; }
@media (max-width: 520px) { .news h2 { white-space: normal; } }