/* ============================================================
   TREXION 3D — Blog Mundo 3D (mundo3d.php e mundo3d_detalhe.php)
   Tudo com prefixo .m3d- para não afetar outras páginas.
   Usa os tokens de style.css (--primary, --bg-card, --border...).
   ============================================================ */

.m3d-sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ---------- Hero da listagem ---------- */
.m3d-hero { min-height: 0; padding-top: 120px; padding-bottom: 20px; }
/* .hero é flex: sem width/min-width o container fica com 1200px e estoura no mobile */
.m3d-hero-container { text-align: left; max-width: 1200px; width: 100%; min-width: 0; box-sizing: border-box; }
.m3d-busca { box-sizing: border-box; width: 100%; }
.m3d-hero-title { font-size: clamp(1.8rem, 5vw, 3.2rem); margin-bottom: 1rem; }
.m3d-hero-subtitle { margin: 0; max-width: 840px; font-size: 1.05rem; line-height: 1.6; }

/* ---------- Busca ---------- */
.m3d-busca {
    display: flex; align-items: center; gap: 10px;
    margin-top: 1.8rem; max-width: 640px;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 6px 6px 6px 16px;
    transition: border-color 0.2s ease;
}
.m3d-busca:focus-within { border-color: var(--primary); }
.m3d-busca > i { color: var(--text-muted); }
.m3d-busca input {
    flex: 1; min-width: 0; background: transparent; border: 0; outline: 0;
    color: #fff; font: 400 0.95rem 'Inter', sans-serif; padding: 8px 0;
}
.m3d-busca input::placeholder { color: rgba(255,255,255,0.4); }
.m3d-busca .btn { padding: 0.6rem 1.2rem; border-radius: 8px; flex-shrink: 0; }

/* ---------- Tags ---------- */
.m3d-tags { display: flex; gap: 10px; margin-top: 1.4rem; flex-wrap: wrap; }
.m3d-tags-label {
    color: var(--text-muted); font-size: 0.88rem; align-self: center;
    margin-right: 5px; font-family: 'Outfit', sans-serif; font-weight: 600;
}
.m3d-tags .blog-tag-btn {
    background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
    color: #fff; padding: 6px 14px; border-radius: 50px; font-size: 0.82rem;
    text-decoration: none; transition: all 0.3s ease; font-weight: 500; white-space: nowrap;
}
.m3d-tags .blog-tag-btn:hover,
.m3d-tags .blog-tag-btn.active {
    background: var(--primary); border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(244, 132, 95, 0.35); color: #fff;
}

/* ---------- Resultado / grid ---------- */
.m3d-section { padding-top: 2rem; }
.m3d-resultado {
    display: flex; align-items: baseline; justify-content: space-between;
    gap: 1rem; flex-wrap: wrap; margin-bottom: 1.5rem;
}
.m3d-resultado h2 { font-family: 'Outfit', sans-serif; font-size: 1.35rem; color: #fff; margin: 0; font-weight: 700; }
.m3d-resultado h2 strong { color: var(--primary); }
.m3d-limpar { color: var(--text-muted); font-size: 0.88rem; text-decoration: none; }
.m3d-limpar:hover { color: var(--primary); }

.m3d-grid { gap: 2rem; }
.m3d-card { height: 100%; }
.m3d-card .news-img { position: relative; aspect-ratio: 16 / 9; }
.m3d-card .news-img img { height: 100%; }
.m3d-card .news-content { flex: 1; }
.m3d-card .news-content h3 {
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.m3d-card .news-desc {
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.m3d-card .news-link { margin-top: auto; }
.m3d-card-meta { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.m3d-card:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }

.m3d-selo {
    position: absolute; top: 12px; left: 12px;
    background: #fbbf24; color: #000; font: 800 0.7rem 'Inter', sans-serif;
    letter-spacing: 0.04em; text-transform: uppercase;
    padding: 4px 9px; border-radius: 6px;
}

.m3d-vazio {
    text-align: center; padding: 3rem 1rem; color: var(--text-muted);
    border: 1px dashed var(--border); border-radius: 16px;
}
.m3d-vazio i { font-size: 2rem; margin-bottom: 0.8rem; display: block; }
.m3d-vazio .btn { margin-top: 1rem; display: inline-flex; }

/* ---------- Paginação ---------- */
.m3d-paginacao {
    display: flex; justify-content: center; align-items: center;
    flex-wrap: wrap; gap: 8px; margin-top: 2.5rem;
}
.m3d-paginacao a,
.m3d-paginacao span {
    min-width: 42px; height: 42px; padding: 0 14px;
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    border-radius: 10px; border: 1px solid var(--border); background: var(--bg-card);
    color: #fff; text-decoration: none; font-weight: 600; font-size: 0.9rem;
}
.m3d-paginacao a:hover { border-color: var(--primary); color: var(--primary); }
.m3d-paginacao span[aria-current] { background: var(--primary); border-color: var(--primary); }

/* ---------- Faixa de equipamentos (publi) ---------- */
.m3d-equipamentos {
    margin-top: 4rem; padding: 2rem; border-radius: 20px;
    background: rgba(56, 189, 248, 0.04); border: 1px solid rgba(56, 189, 248, 0.2);
}
.m3d-equip-head {
    display: flex; justify-content: space-between; align-items: baseline;
    gap: 1rem; flex-wrap: wrap; margin-bottom: 0.8rem;
}
.m3d-equip-head h2 { font-family: 'Outfit', sans-serif; font-size: 1.3rem; color: #fff; margin: 0; }
.m3d-equip-head h2 i { color: #38bdf8; margin-right: 6px; }
.m3d-equip-head a { color: #38bdf8; font-size: 0.9rem; text-decoration: none; font-weight: 600; }
.m3d-divulgacao {
    display: flex; gap: 10px; align-items: flex-start;
    font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; margin: 0 0 1.5rem;
}
.m3d-divulgacao i { color: #fbbf24; margin-top: 3px; }

/* ---------- Artigo: sumário ---------- */
.m3d-toc {
    background: var(--bg-card); border: 1px solid var(--border);
    border-left: 3px solid var(--primary); border-radius: 12px;
    padding: 1rem 1.25rem; margin: 0 0 2rem;
}
.m3d-toc summary {
    cursor: pointer; font-family: 'Outfit', sans-serif; font-weight: 700;
    color: #fff; font-size: 1.05rem;
}
.m3d-toc summary i { color: var(--primary); margin-right: 6px; }
.m3d-toc ol { margin: 0.8rem 0 0; padding-left: 1.2rem; display: grid; gap: 6px; }
.m3d-toc li { color: var(--text-muted); line-height: 1.45; }
.m3d-toc li.m3d-toc-n3 { margin-left: 1rem; list-style: circle; font-size: 0.92rem; }
.m3d-toc a { color: var(--text-light, #e4e4e7); text-decoration: none; }
.m3d-toc a:hover { color: var(--primary); }
.article-body-content h2[id],
.article-body-content h3[id] { scroll-margin-top: 100px; }
.article-image-box img { height: auto; }

/* ---------- Mobile (375px: gutter 16px, sem rolagem horizontal) ---------- */
@media (max-width: 768px) {
    .m3d-hero { padding-top: 90px; padding-bottom: 25px; }
    .m3d-hero-subtitle { font-size: 0.95rem; }
    .m3d-section .container,
    .m3d-hero-container,
    main > .container { padding-left: 16px; padding-right: 16px; box-sizing: border-box; }
    .m3d-tags {
        flex-wrap: nowrap; overflow-x: auto; padding-bottom: 8px;
        -webkit-overflow-scrolling: touch; scrollbar-width: none;
    }
    .m3d-tags::-webkit-scrollbar { display: none; }
    .m3d-tags .blog-tag-btn { flex-shrink: 0; }
    .m3d-tags-label { flex-shrink: 0; }
    .m3d-busca .btn { padding: 0.6rem 0.9rem; }
    .m3d-equipamentos { padding: 1.25rem 1rem; margin-top: 3rem; }
    .m3d-paginacao a, .m3d-paginacao span { min-width: 40px; height: 40px; padding: 0 10px; }
}