.br-about-hero{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);align-items:center;gap:70px;padding-block:80px 72px}
.br-about-intro h1{font-size:clamp(42px,5.5vw,70px);font-weight:800;letter-spacing:-.06em;line-height:1.08;margin:18px 0 24px;overflow-wrap:anywhere}
.br-about-intro .lead{font-size:18px;max-width:590px;margin-bottom:24px}
.br-about-portrait{padding:20px;position:relative}
.br-about-photo,.br-about-placeholder{display:block;width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:140px 140px 24px 24px;background:var(--soft);box-shadow:16px 16px 0 var(--soft2);border:1px solid var(--border)}
.br-about-placeholder{display:flex;align-items:center;justify-content:center}
.br-about-placeholder img{width:45%;height:auto}
.br-about-section{padding-block:54px}
.br-about .section-head{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:54px;align-items:start;margin-bottom:32px}
.br-about .section-head h2{max-width:470px;line-height:1.2}
.br-about .section-head p{margin:0;max-width:470px}
.br-about-prose{max-width:760px;color:var(--muted);font-size:17px;line-height:1.9}
.br-about-prose p:first-child{margin-top:0}
.br-about-prose a{text-decoration:underline;color:var(--blue)}
.br-about-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.br-about-card{padding:28px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}
.br-about-card h3{font-size:19px;line-height:1.4;margin:0 0 10px;letter-spacing:-.025em}
.br-about-card p{color:var(--muted);margin:0;line-height:1.8}
.br-about-timeline{padding:0;margin:0;list-style:none}
.br-about-timeline li{display:grid;grid-template-columns:160px minmax(0,1fr);gap:35px;padding:25px 0;border-bottom:1px solid var(--border)}
.br-about-date{font-size:13px;font-weight:700;color:var(--blue);padding-top:4px}
.br-about-timeline h3{margin:0 0 6px;font-size:20px;line-height:1.4}
.br-about-timeline p{margin:0;color:var(--muted)}
.br-about-section>.section-link{display:inline-block;margin-top:24px}
.br-about-contact{margin-block:20px 60px;padding:44px;border:1px solid var(--border);border-radius:var(--radius);background:var(--soft)}
.br-about-contact .section-head{margin-bottom:26px}
.br-about-prose,.br-about-card,.br-about-timeline{overflow-wrap:anywhere}
@media(max-width:800px){.br-about-hero{gap:30px;padding-block:45px}.br-about-intro h1{font-size:44px}.br-about-portrait{padding:10px}.br-about .section-head{gap:25px}}
@media(max-width:600px){.br-about-hero{grid-template-columns:1fr;gap:32px}.br-about-portrait{max-width:300px;width:100%;margin:auto}.br-about-intro h1{font-size:clamp(36px,10vw,48px)}.br-about .section-head,.br-about-grid{grid-template-columns:1fr;gap:20px}.br-about-section{padding-block:36px}.br-about-card{padding:23px}.br-about-timeline li{grid-template-columns:1fr;gap:8px}.br-about-contact{padding:26px;margin-bottom:40px}.br-about-intro .lead{font-size:16px}}
@media(prefers-reduced-motion:reduce){.br-about .btn{transition:none}.br-about .btn:hover{transform:none}}

/* Certificate images retain the full document; they are never cropped. */
.br-cert-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.br-cert-card{border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--surface);box-shadow:var(--shadow)}
.br-cert-image{display:flex;align-items:center;justify-content:center;padding:22px;background:var(--soft);aspect-ratio:1.5;border-bottom:1px solid var(--border)}
.br-cert-image img{width:100%;height:100%;object-fit:contain;display:block}
.br-cert-details{padding:24px}
.br-cert-tech{display:inline-block;padding:4px 10px;background:var(--soft2);color:var(--blue);border-radius:6px;font-size:11px;font-weight:700;overflow-wrap:anywhere}
.br-cert-details h3{font-size:20px;line-height:1.4;margin:14px 0 8px;overflow-wrap:anywhere}
.br-cert-details p{font-size:13px;color:var(--muted);margin:0}
.br-cert-verify{display:inline-block;font-size:13px;color:var(--blue);font-weight:700;margin-top:18px}
.br-cert-verify i{font-size:11px;margin-left:5px}
.br-about-empty{padding:18px;border:1px dashed var(--border);color:var(--muted)}
@media(max-width:600px){.br-cert-grid{grid-template-columns:1fr}.br-cert-details{padding:20px}.br-cert-image{padding:14px}}

/* Category galleries: four columns on desktop, two on tablet, one on mobile. */
.br-cert-group+.br-cert-group{margin-top:42px}
.br-cert-group-heading{display:flex;align-items:baseline;justify-content:space-between;gap:18px;margin-bottom:18px;border-bottom:1px solid var(--border);padding-bottom:12px}
.br-cert-group-heading h3{font-size:24px;margin:0;line-height:1.3;overflow-wrap:anywhere}
.br-cert-group-heading>span{font-size:12px;color:var(--muted);white-space:nowrap}
.br-cert-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.br-cert-details{padding:18px}
.br-cert-details h4{font-size:16px;line-height:1.45;margin:12px 0 8px;overflow-wrap:anywhere}
.br-cert-image{padding:12px;cursor:zoom-in}
.br-cert-viewer-open{overflow:hidden}
.br-cert-lightbox{padding:0;border:0;background:transparent;color:var(--text);width:min(1120px,94vw);max-width:94vw;max-height:94dvh;overflow:auto}
.br-cert-lightbox::backdrop{background:rgba(8,13,30,.86)}
.br-cert-lightbox-panel{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px}
.br-cert-lightbox-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}
.br-cert-lightbox-caption{margin:0;font-size:14px;font-weight:650;overflow-wrap:anywhere}
.br-cert-lightbox-controls{display:flex;gap:8px;flex-shrink:0}
.br-cert-lightbox button{display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;border:1px solid var(--border);border-radius:8px;background:var(--soft);color:var(--text)}
.br-cert-lightbox button:disabled{opacity:.35;cursor:default}
.br-cert-lightbox-image{display:block;max-width:100%;max-height:calc(94dvh - 120px);width:auto;height:auto;object-fit:contain;margin:auto;background:#fff}
.br-cert-lightbox-image[hidden]{display:none}
.br-cert-lightbox-status{color:var(--muted);text-align:center}
.br-cert-lightbox-status:empty{display:none}
@media(max-width:1000px){.br-cert-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.br-cert-grid{grid-template-columns:1fr}.br-cert-group-heading{gap:12px}.br-cert-group-heading h3{font-size:21px}.br-cert-lightbox-panel{padding:10px}.br-cert-lightbox-toolbar{align-items:flex-start;flex-direction:column}.br-cert-lightbox-controls{align-self:flex-end}.br-cert-lightbox-image{max-height:calc(94dvh - 180px)}}

/* Final About: process, publications and document actions. */
.br-process-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.br-process-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;background:var(--soft2);color:var(--blue);font-size:18px;margin-bottom:20px}
.br-pub-group+.br-pub-group{margin-top:34px}
.br-pub-group>h3{font-size:23px;line-height:1.35;margin:0 0 20px}
.br-pub-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.br-pub-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.br-pub-cover{aspect-ratio:1.4;display:flex;align-items:center;justify-content:center;background:var(--soft);padding:22px;color:var(--blue)}
.br-pub-cover>img{display:block;width:100%;height:100%;object-fit:contain}
.br-pub-cover>i{font-size:52px}
.br-pub-details{padding:24px;display:flex;flex-direction:column;flex:1;overflow-wrap:anywhere}
.br-pub-details h4{font-size:21px;line-height:1.35;margin:14px 0}
.br-pub-details p{color:var(--muted);font-size:14px;line-height:1.8;margin:0 0 14px}
.br-pub-details .br-pub-meta{font-size:12px;font-weight:650}
.br-pub-details .br-pub-topics{color:var(--blue);font-size:12px}
.br-pub-details>.br-cert-tech{align-self:flex-start}
.br-pub-links{display:flex;gap:10px 18px;flex-wrap:wrap;margin-top:auto;padding-top:12px}
.br-pub-links a{font-size:12px;font-weight:700;color:var(--blue);text-decoration:underline;text-underline-offset:3px;min-height:36px;display:inline-flex;align-items:center;gap:6px}
.br-pub-links i{font-size:10px}
.br-about-section-actions{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.br-about-section-actions:has(a){margin-top:24px}
.br-about .hero-actions>.btn-ghost i{font-size:15px}
@media(max-width:1000px){.br-pub-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.br-process-grid{grid-template-columns:1fr}.br-pub-grid{grid-template-columns:1fr}.br-pub-cover{max-height:290px}.br-pub-details{padding:22px}}
.br-pub-grid:has(>.br-pub-card:only-child){grid-template-columns:1fr}
.br-pub-card:only-child{display:grid;grid-template-columns:minmax(190px,.55fr) minmax(0,1fr)}
.br-pub-card:only-child .br-pub-cover{aspect-ratio:auto;min-height:270px}
@media(max-width:700px){.br-pub-card:only-child{grid-template-columns:1fr}.br-pub-card:only-child .br-pub-cover{aspect-ratio:1.4;min-height:0}}