/* ==========================================================================
   Resource Hub — unified archive (feed, topics, tags, author, search, 404).
   Scoped under .rh-arch. Colors only via the tokens in base.css.
   ========================================================================== */
.rh-arch{max-width:var(--rh-maxw);margin:0 auto;padding:28px 24px 60px;color:var(--rh-ink);line-height:1.7}
.rh-arch a{color:var(--rh-accent);text-decoration:none}

.rh-arch-crumbs{font-size:13px;color:var(--rh-muted);margin:6px 0 22px;display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.rh-arch-crumbs a{color:var(--rh-muted)}.rh-arch-crumbs a:hover{color:var(--rh-primary)}
.rh-arch-crumbs .sep{opacity:.5}

.rh-arch-head{max-width:760px;margin:0 0 26px;padding-top:6px}
.rh-arch-eyebrow{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--rh-on-accent);background:var(--rh-accent-grad);padding:6px 14px;border-radius:999px;margin-bottom:16px}
.rh-arch-h1{font-size:clamp(30px,4.4vw,46px);line-height:1.1;font-weight:800;letter-spacing:-.02em;color:var(--rh-primary);margin:0 0 14px}
.rh-arch-intro{font-size:17px;color:var(--rh-muted);margin:0}
.rh-arch-kicker{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--rh-accent);margin-bottom:6px}

/* author card */
.rh-arch-author{display:flex;gap:20px;align-items:flex-start;background:linear-gradient(160deg,var(--rh-primary),var(--rh-primary-deep));border:1px solid var(--rh-accent-line);border-radius:var(--rh-radius);padding:24px 26px;margin:0 0 30px;position:relative;overflow:hidden}
.rh-arch-author:before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--rh-accent-grad)}
.rh-arch-author-av{width:66px;height:66px;flex:none;border-radius:50%;background:var(--rh-accent-grad);color:var(--rh-on-accent);display:grid;place-items:center;font-weight:800;font-size:22px;overflow:hidden}
.rh-arch-author-av img{width:100%;height:100%;object-fit:cover}
.rh-arch-author-body h2{margin:0 0 6px;font-size:22px;font-weight:800;color:#fff}
.rh-arch-author-body .cred{margin:0 0 10px;font-size:13.5px;color:var(--rh-accent-2);font-weight:600}
.rh-arch-author-body .bio{margin:0 0 12px;font-size:14.5px;color:rgba(255,255,255,.85);line-height:1.55}
.rh-arch-author-count{display:inline-block;font-size:12px;font-weight:700;color:#fff;background:rgba(255,255,255,.1);border:1px solid var(--rh-accent-line);padding:5px 12px;border-radius:999px}
.rh-arch-author .rh-arch-kicker{color:var(--rh-accent-2)}

/* filter pills */
.rh-arch-pills{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 30px}
.rh-arch-fpill{display:inline-flex;align-items:center;font-size:13.5px;font-weight:700;color:var(--rh-primary)!important;background:#fff;border:1.5px solid var(--rh-line);padding:9px 16px;border-radius:999px;transition:border-color .2s,transform .15s,box-shadow .2s}
.rh-arch-fpill:hover{border-color:var(--rh-accent-2);transform:translateY(-1px);box-shadow:var(--rh-shadow-sm)}
.rh-arch-fpill.active{background:var(--rh-accent-grad);border-color:transparent;color:var(--rh-on-accent)!important}

/* feed + grid */
.rh-arch-feed{display:flex;flex-direction:column;gap:26px}
.rh-arch-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rh-arch-grid.is-empty{display:none}

/* card */
.rh-arch-card{background:#fff;border:1px solid var(--rh-line);border-radius:var(--rh-radius);box-shadow:var(--rh-shadow-sm);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s,box-shadow .2s,border-color .2s}
.rh-arch-card:hover{transform:translateY(-4px);box-shadow:var(--rh-shadow);border-color:var(--rh-accent-line)}
.rh-arch-card-media{display:block;position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--rh-soft)}
.rh-arch-card-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s}
.rh-arch-card:hover .rh-arch-card-media img{transform:scale(1.04)}
.rh-arch-ph{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:linear-gradient(150deg,var(--rh-primary),var(--rh-primary-2))}
.rh-arch-ph:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 20%,color-mix(in srgb,var(--rh-accent-2) 18%,transparent),transparent 60%)}
.rh-arch-card:hover .rh-arch-ph img,.rh-arch-ph img{width:66px!important;height:auto!important;position:relative;z-index:1;transform:none!important;object-fit:contain}
.rh-arch-ph-label{position:relative;z-index:1;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--rh-accent-2)}
.rh-arch-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.rh-arch-pill{align-self:flex-start;font-size:11px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--rh-on-accent)!important;background:var(--rh-accent-grad);padding:5px 11px;border-radius:999px;margin-bottom:12px}
.rh-arch-card-title{font-size:19px;line-height:1.25;font-weight:800;letter-spacing:-.01em;margin:0 0 10px}
.rh-arch-card-title a{color:var(--rh-primary)!important}
.rh-arch-card-title a:hover{color:var(--rh-accent)!important}
.rh-arch-card-ex{font-size:14px;color:var(--rh-muted);margin:0 0 16px;line-height:1.5;flex:1}
.rh-arch-card-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--rh-muted);flex-wrap:wrap}
.rh-arch-card-meta .dot{opacity:.5}
.rh-arch-card-go{margin-left:auto;font-weight:700;color:var(--rh-accent);white-space:nowrap}

/* hero card */
.rh-arch-hero{flex-direction:row;align-items:stretch}
.rh-arch-hero .rh-arch-card-media{aspect-ratio:auto;width:52%;flex:none;min-height:340px}
.rh-arch-hero .rh-arch-card-body{padding:34px 36px;justify-content:center}
.rh-arch-hero .rh-arch-card-title{font-size:30px;line-height:1.16;margin-bottom:14px}
.rh-arch-hero .rh-arch-card-ex{font-size:16px;flex:none;margin-bottom:20px}

/* CTA band */
.rh-arch-cta{position:relative;display:flex;align-items:center;gap:26px;flex-wrap:wrap;background:linear-gradient(120deg,var(--rh-primary),var(--rh-primary-2));border:1px solid var(--rh-accent-line);border-radius:var(--rh-radius);padding:30px 34px;margin:26px 0;overflow:hidden;box-shadow:var(--rh-shadow)}
.rh-arch-cta:before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--rh-accent-grad)}
.rh-arch-cta .wm{position:absolute;right:-26px;bottom:-30px;width:210px;height:auto;opacity:.08;pointer-events:none}
.rh-arch-cta-t{flex:1;min-width:260px;position:relative;z-index:1}
.rh-arch-cta .rh-arch-kicker{color:var(--rh-accent-2)}
.rh-arch-cta-t h2{margin:0 0 6px;font-size:24px;font-weight:800;color:#fff;line-height:1.2}
.rh-arch-cta-t p{margin:0;font-size:15px;color:rgba(255,255,255,.85)}
.rh-arch-cta-btns{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.rh-arch .rh-btn{color:var(--rh-on-accent)}
.rh-arch .rh-btn.ghost{color:#fff}

/* pagination */
.rh-arch-pager{margin:36px 0 0}
.rh-arch-pager ul{list-style:none;margin:0;padding:0;display:flex;gap:8px;justify-content:center;flex-wrap:wrap}
.rh-arch-pager a,.rh-arch-pager span{display:grid;place-items:center;min-width:42px;height:42px;padding:0 12px;border-radius:10px;font-weight:700;font-size:14px;border:1.5px solid var(--rh-line);color:var(--rh-primary)}
.rh-arch-pager a:hover{border-color:var(--rh-accent-2)}
.rh-arch-pager .current{background:var(--rh-accent-grad);border-color:transparent;color:var(--rh-on-accent)}
.rh-arch-pager .dots{border:none}

/* empty states (also used by 404) */
.rh-arch-empty{text-align:center;padding:50px 20px;background:var(--rh-soft);border:1px solid var(--rh-line);border-radius:var(--rh-radius);margin:10px 0}
.rh-arch-empty>img{width:56px;height:auto;opacity:.8;margin-bottom:14px}
.rh-arch-empty h1,.rh-arch-empty h2{margin:0 0 8px;font-size:24px;color:var(--rh-primary);font-weight:800}
.rh-arch-empty p{margin:0 0 18px;color:var(--rh-muted)}
.rh-arch-nofilter{display:none;text-align:center;padding:40px 20px;color:var(--rh-muted)}
.rh-arch-nofilter.show{display:block}

@media (max-width:900px){
  .rh-arch-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rh-arch-hero{flex-direction:column}
  .rh-arch-hero .rh-arch-card-media{width:100%;min-height:0;aspect-ratio:16/9}
  .rh-arch-hero .rh-arch-card-body{padding:26px 24px}
  .rh-arch-hero .rh-arch-card-title{font-size:25px}
}
@media (max-width:600px){
  .rh-arch{padding:18px 16px 50px}
  .rh-arch-grid{grid-template-columns:1fr}
  .rh-arch-cta{padding:24px 22px}
  .rh-arch-cta-btns{width:100%}
  .rh-arch-cta-btns .rh-btn{flex:1}
}