/* Блок сертификата на странице студии. */
.about-certificate{background:linear-gradient(180deg,#0a0e10,#0d1518);border-top:1px solid rgba(127,255,212,.08)}
.about-certificate .certificate-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(420px,1.2fr);gap:64px;align-items:center}
.about-certificate .certificate-copy p{margin-top:18px;color:#9caab0;max-width:560px}
.certificate-card{position:relative;overflow:hidden;padding:34px;border:1px solid rgba(127,255,212,.18);background:linear-gradient(145deg,rgba(26,35,40,.96),rgba(10,14,16,.96));box-shadow:0 24px 70px rgba(0,0,0,.25)}
.certificate-card::before{content:"";position:absolute;left:0;top:0;width:110px;height:2px;background:linear-gradient(90deg,var(--brand-cyan),var(--brand-ember));box-shadow:0 0 20px rgba(0,229,204,.35);z-index:2}
.certificate-preview{display:block;position:relative;margin:-4px -4px 30px;border:1px solid rgba(127,255,212,.13);background:#f7f8fa;overflow:hidden;box-shadow:0 18px 40px rgba(0,0,0,.3)}
.certificate-preview img{display:block;width:100%;height:auto;aspect-ratio:auto;object-fit:contain;transition:filter .2s ease}
.certificate-preview span{position:absolute;right:14px;bottom:14px;padding:9px 12px;background:rgba(10,14,16,.9);border:1px solid rgba(127,255,212,.25);color:#dbe6e9;font-size:12px;backdrop-filter:blur(8px);transition:border-color .25s,color .25s}
.certificate-preview:hover img{transform:scale(1.015);filter:brightness(1.03)}
.certificate-preview:hover span{border-color:var(--brand-cyan);color:var(--brand-cyan)}
.certificate-brand{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:30px}
.certificate-brand strong{font-family:var(--display);font-size:28px;letter-spacing:-.04em}
.certificate-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid rgba(0,229,204,.24);color:var(--brand-cyan);font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.certificate-card h3{font-size:clamp(28px,3vw,42px);line-height:1.08;margin-bottom:18px}
.certificate-card .certificate-holder{font-size:17px;color:#e8eff1;margin-bottom:24px}
.certificate-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:rgba(127,255,212,.09);border:1px solid rgba(127,255,212,.09);margin-bottom:26px}
.certificate-meta div{padding:15px;background:#0c1316}
.certificate-meta small{display:block;color:#718289;font-size:10px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:5px}
.certificate-meta span{color:#cbd5d9;font-size:14px}
.certificate-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.certificate-id{font-size:11px;color:#6f8087;word-break:break-all;max-width:100%}
@media(max-width:980px){.about-certificate .certificate-layout{grid-template-columns:1fr;gap:30px}.certificate-card{max-width:760px}}
@media(max-width:600px){.certificate-card{padding:18px}.certificate-preview{margin:0 0 24px}.certificate-preview span{position:static;display:block;background:#0c1316;border:0;border-top:1px solid rgba(127,255,212,.14)}.certificate-brand{align-items:flex-start;flex-direction:column;margin-bottom:24px}.certificate-meta{grid-template-columns:1fr}.certificate-actions .btn{width:100%}}
@media(prefers-reduced-motion:reduce){.certificate-preview img{transition:none}.certificate-preview:hover img{transform:none}}


/* Отображение сертификата и доступное окно увеличенного просмотра. */
.about-page .about-certificate .certificate-layout{
  grid-template-columns:minmax(0,1fr);
  gap:26px;
  max-width:980px;
  margin-inline:auto;
  align-items:start;
}
.about-page .about-certificate .certificate-copy{
  max-width:720px;
  margin-inline:auto;
  text-align:center;
}
.about-page .about-certificate .certificate-copy p{margin-inline:auto}
.about-page .certificate-card{
  width:min(100%,820px);
  margin-inline:auto;
  box-sizing:border-box;
  padding:24px;
}
.about-page .certificate-preview{
  position:relative;
  display:block;
  width:100%;
  margin:0 0 22px;
  padding:0;
  border:1px solid rgba(99,247,240,.18);
  border-radius:0;
  background:#f7f8fa;
  color:inherit;
  font:inherit;
  cursor:zoom-in;
  overflow:hidden;
  box-shadow:0 16px 34px rgba(0,0,0,.24);
}
.about-page .certificate-preview img{
  display:block;
  width:100%;
  height:auto;
  aspect-ratio:auto;
  object-fit:contain;
}
.about-page .certificate-preview:hover img{transform:none;filter:brightness(1.015)}
.about-page .certificate-preview:focus-visible{
  outline:2px solid var(--rf-cyan);
  outline-offset:4px;
}
.about-page .certificate-preview-hint{
  position:absolute;
  right:12px;
  bottom:12px;
  padding:8px 10px;
  border:1px solid rgba(99,247,240,.3);
  background:rgba(3,9,13,.9);
  color:#dce9eb;
  font-size:11px;
  letter-spacing:.04em;
  pointer-events:none;
}

body.certificate-lightbox-open{overflow:hidden}
.certificate-lightbox[hidden]{display:none}
.certificate-lightbox{
  --certificate-lightbox-block-space:clamp(20px,4vw,48px);
  --certificate-toolbar-block-size:57px;
  --certificate-scroll-block-space:clamp(16px,2.8vw,36px);
  position:fixed;
  inset:0;
  z-index:1000;
  display:grid;
  place-items:center;
  padding:clamp(10px,2vw,24px);
  background:rgba(2,8,11,.94);
}
.certificate-lightbox-frame{
  display:flex;
  flex-direction:column;
  width:min(94vw,1500px);
  max-height:calc(100dvh - var(--certificate-lightbox-block-space));
  min-height:0;
  border:1px solid rgba(99,247,240,.26);
  background:#061015;
  box-shadow:0 28px 80px rgba(0,0,0,.65);
}
.certificate-lightbox-toolbar{
  flex:0 0 auto;
  min-height:52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:6px 8px 6px 16px;
  border-bottom:1px solid rgba(99,247,240,.18);
  background:#071217;
}
.certificate-lightbox-toolbar p{
  margin:0;
  color:#cbd9dc;
  font-size:12px;
  letter-spacing:.08em;
  text-transform:uppercase;
}
.certificate-lightbox-close{
  width:44px;
  height:44px;
  flex:0 0 44px;
  border:1px solid rgba(99,247,240,.3);
  border-radius:0;
  background:#08171c;
  color:#e9f7f8;
  font:400 28px/1 Inter,sans-serif;
  cursor:pointer;
}
.certificate-lightbox-close:hover,
.certificate-lightbox-close:focus-visible{
  border-color:var(--rf-cyan);
  color:var(--rf-cyan);
  outline:none;
}
.certificate-lightbox-scroll{
  min-height:0;
  overflow:auto;
  overscroll-behavior:contain;
  display:grid;
  place-items:center;
  padding:clamp(8px,1.4vw,18px);
}
.certificate-lightbox-scroll:focus-visible{
  outline:2px solid var(--rf-cyan);
  outline-offset:-3px;
}
.certificate-lightbox-scroll img{
  display:block;
  width:auto;
  height:auto;
  max-width:90vw;
  max-height:calc(100dvh - var(--certificate-lightbox-block-space) - var(--certificate-toolbar-block-size) - var(--certificate-scroll-block-space) - 2px);
  object-fit:contain;
  border:0;
  border-radius:0;
}

.about-page .about-footer-brand img{
  border-radius:0;
  object-fit:contain;
}
.about-page .about-footer-brand{min-height:42px}
.about-page .about-footer-brand .footer-logo-full{
  display:block;
  width:64px;
  height:auto;
  max-height:64px;
}
.about-page .about-footer-brand .footer-logo-mark{display:none}

@media(max-width:600px){
  .about-page .certificate-card{padding:16px}
  .about-page .certificate-preview{margin-bottom:18px}
  .about-page .certificate-preview-hint{
    right:8px;
    bottom:8px;
    padding:7px 9px;
    font-size:10px;
  }
  .certificate-lightbox{
    --certificate-lightbox-block-space:16px;
    --certificate-scroll-block-space:16px;
    padding:8px;
  }
  .certificate-lightbox-frame{
    width:calc(100vw - 16px);
  }
  .certificate-lightbox-scroll{padding:8px}
  .certificate-lightbox-scroll img{
    max-width:calc(100vw - 32px);
  }
  .about-page .about-footer-brand .footer-logo-full{display:none}
  .about-page .about-footer-brand .footer-logo-mark{
    display:block;
    width:30px;
    height:30px;
    max-height:30px;
  }
}
@media(prefers-reduced-motion:reduce){
  .about-page .certificate-preview img{transition:none}
}