/* BRICS extended pages — blog, videos, live, partners, legal */
.dv-bx-hero { padding: 4rem 0 2rem; background: linear-gradient(135deg, #001533, #003087 60%, #006b63); color: #fff; }
.dv-bx-main { padding: 2rem 0 4rem; max-width: 1000px; margin-inline: auto; }

.dv-bx-blog-grid { display: grid; gap: 1.25rem; }
.dv-bx-article-card {
  display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: start;
  padding: 1.25rem 1.5rem; border-radius: 14px; background: var(--dv-bg-card, #fff);
  border: 1px solid var(--dv-border); text-decoration: none; color: inherit;
}
.dv-bx-article-card:hover { border-color: var(--dv-gold); box-shadow: 0 6px 20px rgba(0,48,135,0.08); }
.dv-bx-article-card .cat { font-size: 0.75rem; font-weight: 700; color: var(--dv-teal); text-transform: uppercase; }
.dv-bx-article-body { padding: 1.5rem; border-radius: 14px; background: var(--dv-bg-card); border: 1px solid var(--dv-border); line-height: 1.75; }
.dv-bx-article-body h2 { color: var(--dv-iau-blue); margin-top: 1.5rem; }
.dv-bx-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin-top: 0.75rem; }
.dv-bx-tags span { font-size: 0.75rem; padding: 0.2rem 0.55rem; border-radius: 999px; background: var(--dv-bg-subtle); }

.dv-bx-video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.25rem; }
.dv-bx-video-card { border-radius: 14px; overflow: hidden; background: var(--dv-bg-card); border: 1px solid var(--dv-border); }
.dv-bx-video-card iframe, .dv-bx-video-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border: 0; }
.dv-bx-video-card .meta { padding: 1rem; font-size: 0.88rem; }

.dv-bx-live-wrap { border-radius: 16px; overflow: hidden; background: #000; margin-bottom: 1.5rem; }
.dv-bx-live-wrap iframe { width: 100%; aspect-ratio: 16/9; border: 0; }
.dv-bx-live-badge { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.35rem 0.75rem; border-radius: 999px; background: #dc2626; color: #fff; font-size: 0.8rem; font-weight: 700; animation: dv-pulse 2s infinite; }
@keyframes dv-pulse { 0%,100%{opacity:1} 50%{opacity:0.7} }

.dv-bx-partner-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.dv-bx-partner-tabs button { padding: 0.5rem 1rem; border-radius: 999px; border: 1px solid var(--dv-border); background: var(--dv-bg-card); cursor: pointer; }
.dv-bx-partner-tabs button.active { background: var(--dv-iau-blue); color: #fff; border-color: var(--dv-iau-blue); }
.dv-bx-partner-list { display: grid; gap: 0.75rem; }
.dv-bx-partner-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; padding: 1rem 1.25rem; border-radius: 12px; background: var(--dv-bg-card); border: 1px solid var(--dv-border); }

.dv-bx-sponsor-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1rem; }
.dv-bx-sponsor-card { padding: 1.5rem; border-radius: 14px; border: 2px solid var(--dv-border); background: var(--dv-bg-card); }
.dv-bx-sponsor-card.featured { border-color: var(--dv-gold); background: linear-gradient(145deg, #fffef8, #fff); }
.dv-bx-sponsor-card ul { margin: 0.75rem 0 0; padding-inline-start: 1.25rem; font-size: 0.88rem; }

.dv-bx-legal section { margin-bottom: 2rem; }
.dv-bx-legal h2 { color: var(--dv-iau-blue); font-size: 1.15rem; margin-bottom: 0.5rem; }
.dv-bx-legal ul { line-height: 1.7; }

/* Registration flow */
.dv-reg-steps { display: flex; gap: 0.5rem; margin-bottom: 2rem; flex-wrap: wrap; }
.dv-reg-step { flex: 1; min-width: 100px; padding: 0.65rem; text-align: center; border-radius: 10px; background: var(--dv-bg-subtle); font-size: 0.82rem; font-weight: 600; opacity: 0.5; }
.dv-reg-step.active { background: var(--dv-iau-blue); color: #fff; opacity: 1; }
.dv-reg-step.done { background: rgba(5,150,105,0.15); color: #059669; opacity: 1; }
.dv-reg-panel { display: none; }
.dv-reg-panel.active { display: block; }
.dv-reg-tier { padding: 1rem; border-radius: 12px; border: 2px solid var(--dv-border); cursor: pointer; margin-bottom: 0.5rem; }
.dv-reg-tier.selected { border-color: var(--dv-gold); background: rgba(212,175,55,0.08); }
.dv-reg-tier .badge { float: inline-end; font-size: 0.7rem; padding: 0.2rem 0.5rem; border-radius: 6px; background: var(--dv-iau-blue); color: #fff; }
.dv-reg-email-preview { margin-top: 1.5rem; padding: 1rem; border-radius: 10px; background: #f8f9fa; border: 1px dashed var(--dv-border); font-family: monospace; font-size: 0.8rem; white-space: pre-wrap; max-height: 200px; overflow: auto; }

.dv-cert-gen { text-align: center; margin-top: 1.5rem; }
#certCanvas { max-width: 100%; border: 1px solid var(--dv-border); border-radius: 8px; }

.dv-404-wrap { min-height: 70vh; display: flex; align-items: center; justify-content: center; text-align: center; padding: 2rem; }
.dv-404-globe { font-size: 4rem; animation: dv-spin 20s linear infinite; }
@keyframes dv-spin { to { transform: rotate(360deg); } }