/* ============================================================
   v3 pages/blog.css: the Third Reading index (/blog).
   Record cards from the approved data template
   (Wireframes\Website\resource-data.html), with the post's square
   creative on top, as the live index has it.

   rt-blog-grid, rt-blog-card       the grid and one post card
   rt-blog-media (img, -vid, -play, -mark)   the square tile
   rt-blog-date, rt-blog-more       card meta and the read link
   rt-blog-pager (a, span.rt-on, span.rt-blog-gap)
   rt-blog-empty                    no posts yet
   ============================================================ */

.rt-blog-grid{display:grid;gap:16px}
.rt-blog-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--rt-line);border-radius:16px;overflow:hidden;text-decoration:none;color:inherit;transition:border-color .15s,box-shadow .15s}
.rt-blog-card:hover{border-color:var(--rt-slate);box-shadow:0 14px 32px -20px rgba(15,23,42,.32)}
/* square because the LinkedIn creatives are square; a missing image removes
   itself and the slate tile with the mark shows instead */
.rt-blog-media{aspect-ratio:1/1;position:relative;overflow:hidden;background:linear-gradient(135deg,var(--rt-night-2) 0%,var(--rt-night) 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:14px 16px;color:#fff}
.rt-blog-media img{position:absolute;inset:0;z-index:2;width:100%;height:100%;object-fit:cover}
.rt-blog-mark{position:relative;z-index:1;font-size:10px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;opacity:.75}
.rt-blog-vid{position:absolute;top:10px;right:10px;z-index:3;background:rgba(12,22,38,.6);border:1px solid rgba(255,255,255,.34);border-radius:6px;font-size:10px;font-weight:800;letter-spacing:.08em;padding:3px 8px;text-transform:uppercase}
.rt-blog-play{position:absolute;inset:0;z-index:3;display:flex;align-items:center;justify-content:center;pointer-events:none}
.rt-blog-play span{width:52px;height:52px;border-radius:50%;background:rgba(12,22,38,.6);border:1.5px solid rgba(255,255,255,.65);display:flex;align-items:center;justify-content:center;transition:background .15s}
.rt-blog-play span:after{content:"";border-style:solid;border-width:9px 0 9px 15px;border-color:transparent transparent transparent #fff;margin-left:4px}
.rt-blog-card:hover .rt-blog-play span{background:var(--rt-red)}
.rt-blog-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:7px;flex:1}
.rt-blog-date{font-family:var(--rt-mono);font-size:11.5px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--rt-muted)}
.rt-blog-card h3{font-size:17px;line-height:1.3}
.rt-blog-card p{font-size:14.5px;line-height:1.55}
.rt-blog-more{margin-top:auto;padding-top:6px;font-size:14px;font-weight:700;color:var(--rt-slate)}
.rt-blog-pager{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:34px}
.rt-blog-pager a,.rt-blog-pager span{font-family:var(--rt-mono);font-size:13px;font-weight:600;min-width:36px;height:36px;padding:0 8px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--rt-line);border-radius:99px;color:var(--rt-slate);text-decoration:none;background:#fff}
.rt-blog-pager a:hover{border-color:var(--rt-slate)}
.rt-blog-pager .rt-on{background:var(--rt-night);border-color:var(--rt-night);color:#fff}
.rt-blog-pager .rt-blog-gap{border:0;background:none;color:var(--rt-muted);min-width:auto}
.rt-blog-empty{text-align:center;padding:24px 0}
.rt-blog-empty b{display:block;font-size:21px;color:var(--rt-ink);margin-bottom:8px}

@media(min-width:600px){.rt-blog-grid{grid-template-columns:1fr 1fr}}
@media(min-width:900px){.rt-blog-grid{grid-template-columns:repeat(3,1fr);gap:20px}}