#a4s-home #a4s-certs.a4c{--c-ink:var(--a4s-ink,#0E1621);--c-navy:var(--a4s-navy,#0B3B74);--c-deep:var(--a4s-navy-deep,#072A54);--c-blue:var(--a4s-blue,#1668C4);--c-blue-soft:var(--a4s-blue-soft,#E7F0FB);--c-green:var(--a4s-green,#00602F);--c-green-soft:var(--a4s-green-soft,#E6F1EA);--c-body:var(--a4s-body,#414D5F);--c-muted:var(--a4s-muted,#6B7789);--c-line:var(--a4s-line,#DCE3EC);--c-mist:var(--a4s-mist,#F5F8FC);--c-disp:var(--a4s-display,'Bricolage Grotesque','Segoe UI',system-ui,sans-serif);--c-sans:var(--a4s-sans,'IBM Plex Sans','Segoe UI',system-ui,sans-serif);--c-mono:var(--a4s-mono,'IBM Plex Mono',ui-monospace,'Courier New',monospace);--c-shadow:0 2px 4px rgba(7,42,84,.06),0 26px 60px rgba(7,42,84,.13);
  display:block;background:linear-gradient(180deg,#fff 0%,var(--c-mist) 100%);padding:clamp(64px,8vw,104px) 0;font-family:var(--c-sans);color:var(--c-body);line-height:1.6;box-sizing:border-box}
#a4s-home #a4s-certs.a4c *,#a4s-home #a4s-certs.a4c *::before,#a4s-home #a4s-certs.a4c *::after{box-sizing:border-box}
#a4s-home #a4s-certs .a4c-wrap{max-width:1220px;margin:0 auto;padding:0 24px}
#a4s-home #a4s-certs .a4c-head{max-width:760px;margin:0 0 clamp(36px,5vw,56px)}
#a4s-home #a4s-certs .a4c-eye{font-family:var(--c-mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--c-blue);font-weight:600;margin:0 0 14px;display:flex;align-items:center;gap:10px}
#a4s-home #a4s-certs .a4c-eye::before{content:"";width:28px;height:2px;background:currentColor;display:inline-block}
#a4s-home #a4s-certs .a4c-h2{font-family:var(--c-disp);font-weight:700;color:var(--c-ink);font-size:clamp(1.9rem,3.6vw,2.8rem);line-height:1.08;letter-spacing:-.025em;margin:0 0 16px}
#a4s-home #a4s-certs .a4c-lede{font-size:1.08rem;color:var(--c-body);margin:0;max-width:62ch}
#a4s-home #a4s-certs .a4c-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
#a4s-home #a4s-certs .a4c-card{background:#fff;border:1px solid var(--c-line);border-radius:18px;box-shadow:var(--c-shadow);display:flex;flex-direction:column;overflow:hidden;position:relative}
#a4s-home #a4s-certs .a4c-card::before{content:"";position:absolute;left:0;right:0;top:0;height:5px;background:var(--c-blue);z-index:2}
#a4s-home #a4s-certs .a4c-card--sec::before{background:var(--c-green)}
#a4s-home #a4s-certs .a4c-doc{all:unset;box-sizing:border-box;cursor:zoom-in;display:block;background:radial-gradient(120% 90% at 50% 0%,#F7FAFE 0%,#E6EDF6 100%);padding:40px clamp(20px,5%,48px) 36px;position:relative;border-bottom:1px solid var(--c-line)}
#a4s-home #a4s-certs .a4c-doc img{display:block;width:100%;max-width:470px;margin:0 auto;height:auto;aspect-ratio:1400/1980;object-fit:contain;background:#fff;border-radius:6px;box-shadow:0 1px 2px rgba(7,42,84,.12),0 12px 28px rgba(7,42,84,.18);transition:transform .25s ease,box-shadow .25s ease}
#a4s-home #a4s-certs .a4c-doc:hover img,#a4s-home #a4s-certs .a4c-doc:focus-visible img{transform:translateY(-3px);box-shadow:0 2px 4px rgba(7,42,84,.12),0 22px 40px rgba(7,42,84,.24)}
#a4s-home #a4s-certs .a4c-doc:focus-visible{outline:3px solid var(--c-blue);outline-offset:-3px}
#a4s-home #a4s-certs .a4c-zoom{position:absolute;right:20px;top:20px;background:rgba(4,27,56,.86);color:#fff;font:600 .74rem/1 var(--c-sans);padding:8px 11px;border-radius:999px;display:flex;align-items:center;gap:6px}
#a4s-home #a4s-certs .a4c-zoom svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
#a4s-home #a4s-certs .a4c-body{padding:30px 32px 32px;display:flex;flex-direction:column;flex:1}
#a4s-home #a4s-certs .a4c-tag{align-self:flex-start;font-family:var(--c-mono);font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600;color:var(--c-blue);background:var(--c-blue-soft);padding:6px 10px;border-radius:999px;margin:0 0 18px}
#a4s-home #a4s-certs .a4c-card--sec .a4c-tag{color:var(--c-green);background:var(--c-green-soft)}
#a4s-home #a4s-certs .a4c-std{font-family:var(--c-disp);font-weight:800;color:var(--c-navy);font-size:clamp(2rem,3.4vw,2.7rem);line-height:1;letter-spacing:-.03em;margin:0 0 10px}
#a4s-home #a4s-certs .a4c-card--sec .a4c-std{color:var(--c-green)}
#a4s-home #a4s-certs .a4c-sys{font-family:var(--c-disp);font-weight:700;color:var(--c-ink);font-size:clamp(1.12rem,1.6vw,1.3rem);line-height:1.25;margin:0 0 14px}
#a4s-home #a4s-certs .a4c-scope{font-size:.95rem;color:var(--c-body);margin:0 0 20px}
#a4s-home #a4s-certs .a4c-facts{margin:0 0 24px;padding:16px 0 0;border-top:1px solid var(--c-line);display:grid;grid-template-columns:auto 1fr;gap:8px 18px;font-size:.9rem}
#a4s-home #a4s-certs .a4c-facts dt{font-family:var(--c-mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--c-muted);padding-top:2px}
#a4s-home #a4s-certs .a4c-facts dd{margin:0;color:var(--c-ink);font-weight:600;word-break:break-word}
#a4s-home #a4s-certs .a4c-facts dd.a4c-mono{font-family:var(--c-mono);font-weight:500;font-size:.84rem}
#a4s-home #a4s-certs .a4c-valid{display:inline-flex;align-items:center;gap:6px;color:var(--c-green)}
#a4s-home #a4s-certs .a4c-valid::before{content:"";width:8px;height:8px;border-radius:50%;background:#1BA35A;box-shadow:0 0 0 3px rgba(27,163,90,.18)}
#a4s-home #a4s-certs .a4c-acts{margin-top:auto;display:flex;flex-wrap:wrap;gap:10px}
#a4s-home #a4s-certs .a4c-btn{display:inline-flex;align-items:center;gap:8px;padding:11px 16px;border-radius:999px;font:600 .88rem/1 var(--c-sans);text-decoration:none;border:1.5px solid var(--c-navy);color:var(--c-navy);background:#fff;cursor:pointer;transition:background .2s,color .2s}
#a4s-home #a4s-certs .a4c-btn:hover{background:var(--c-navy);color:#fff}
#a4s-home #a4s-certs .a4c-btn--solid{background:var(--c-navy);color:#fff}
#a4s-home #a4s-certs .a4c-btn--solid:hover{background:var(--c-deep);border-color:var(--c-deep)}
#a4s-home #a4s-certs .a4c-btn svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
#a4s-home #a4s-certs .a4c-chain{margin-top:28px;background:var(--c-deep);color:rgba(255,255,255,.86);border-radius:16px;padding:20px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;font-size:.92rem}
#a4s-home #a4s-certs .a4c-chain b{color:#fff;font-family:var(--c-disp);font-weight:700;font-size:1.02rem}
#a4s-home #a4s-certs .a4c-chain .a4c-arr{opacity:.5}
#a4s-home #a4s-certs .a4c-chain a{color:#9CC8F7;font-weight:600;text-decoration:underline;text-underline-offset:3px}
#a4s-home #a4s-certs .a4c-chain .a4c-ver{margin-left:auto}
/* enlarged view */
#a4s-home #a4s-certs .a4c-dlg{border:0;padding:0;background:transparent;max-width:min(920px,94vw);max-height:94vh;overflow:visible}
#a4s-home #a4s-certs .a4c-dlg::backdrop{background:rgba(4,27,56,.82)}
#a4s-home #a4s-certs .a4c-dlg img{display:block;max-width:100%;max-height:88vh;width:auto;height:auto;border-radius:6px;background:#fff;box-shadow:0 30px 80px rgba(0,0,0,.45)}
#a4s-home #a4s-certs .a4c-dlg p{margin:10px 0 0;color:#fff;font:500 .9rem/1.4 var(--c-sans);text-align:center}
#a4s-home #a4s-certs .a4c-x{position:absolute;right:-14px;top:-14px;width:40px;height:40px;border-radius:50%;border:0;background:#fff;color:var(--c-ink);font:700 22px/40px var(--c-sans);text-align:center;cursor:pointer;box-shadow:0 6px 18px rgba(0,0,0,.3)}
@media (max-width:860px){#a4s-home #a4s-certs .a4c-grid{grid-template-columns:1fr;max-width:620px;margin:0 auto}}
@media (max-width:620px){
  #a4s-home #a4s-certs .a4c-doc{padding:26px 16px 24px}
  #a4s-home #a4s-certs .a4c-zoom{right:12px;top:12px}
  #a4s-home #a4s-certs .a4c-body{padding:24px 20px}
  #a4s-home #a4s-certs .a4c-facts{grid-template-columns:1fr;gap:2px 0}
  #a4s-home #a4s-certs .a4c-facts dd{margin-bottom:8px}
  #a4s-home #a4s-certs .a4c-chain .a4c-ver{margin-left:0}
  #a4s-home #a4s-certs .a4c-x{right:4px;top:4px}
}
@media (prefers-reduced-motion:reduce){#a4s-home #a4s-certs .a4c-doc img{transition:none}}