/* DC-Lab Redesign — Block 3 О ШКОЛЕ (dark designer's dossier + Autodesk cert + marquee) */

.about{position:relative;overflow:hidden;color:#eaf0f7;
  padding:clamp(84px,10vw,150px) 0 0;background:#0b1320}
.about__bg{position:absolute;inset:0;
  background-image:image-set(url('../img/about.webp') type('image/webp'),url('../img/about.jpg') type('image/jpeg'));
  background-image:-webkit-image-set(url('../img/about.webp') 1x);
  background-size:cover;background-position:center;opacity:.5;transform:scale(1.06);
  will-change:transform}
@supports not (background-image:image-set(url('x') 1x)){
  .about__bg{background-image:url('../img/about.jpg')}
}
.about__scrim{position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(11,19,32,.96) 0%,rgba(11,19,32,.72) 42%,rgba(11,19,32,.30) 70%,rgba(11,19,32,.66) 100%),
    linear-gradient(180deg,rgba(11,19,32,.6),transparent 22%,transparent 70%,rgba(11,19,32,.95))}
.about__grid-bp{position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(120,190,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,190,255,.05) 1px,transparent 1px);
  background-size:42px 42px;
  -webkit-mask-image:radial-gradient(100% 70% at 70% 40%,#000 30%,transparent 80%);
          mask-image:radial-gradient(100% 70% at 70% 40%,#000 30%,transparent 80%)}

.about__wrap{position:relative;z-index:2;display:grid;gap:clamp(32px,4vw,60px);
  grid-template-columns:1.15fr .85fr;align-items:center;
  padding-bottom:clamp(70px,8vw,120px)}

/* ---------- left narrative ---------- */
.about__eye{display:inline-flex;align-items:center;gap:.6em;color:#7fe3da;
  font-weight:700;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase}
.about__eye .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 12px var(--teal);animation:abPulse 2.4s ease-in-out infinite}
@keyframes abPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
.about h2{margin:18px 0 0;font-size:clamp(2rem,4.8vw,3.6rem);color:#fff;line-height:1.02}
.about h2 .hl{position:relative;color:#fff;white-space:nowrap}
.about h2 .hl::after{content:"";position:absolute;left:0;right:0;bottom:.04em;height:.14em;
  background:linear-gradient(90deg,var(--teal),var(--gold));border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .9s .3s cubic-bezier(.22,1,.36,1)}
.about h2.is-in .hl::after{transform:scaleX(1)}
.about__p{margin:18px 0 0;color:#b9c6d8;font-size:clamp(1rem,1.4vw,1.12rem);line-height:1.62;max-width:560px}
.about__p b{color:#fff;font-weight:700}
.about__p b.adsk{color:var(--gold)}

.about__chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.achip{display:inline-flex;align-items:center;gap:.55em;font-weight:600;font-size:.86rem;color:#dce6f2;
  padding:.6em 1em;border-radius:999px;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(6px)}
.achip svg{width:16px;height:16px;fill:none;stroke:var(--teal);stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round}
.achip--gold{border-color:rgba(224,164,49,.45);background:rgba(224,164,49,.1)}
.achip--gold svg{stroke:var(--gold)}

/* ---------- Autodesk certificate card ---------- */
.about__cert{position:relative}
.cert{position:relative;overflow:hidden;border-radius:20px;padding:30px 30px 28px;
  background:linear-gradient(165deg,rgba(255,255,255,.09),rgba(255,255,255,.03));
  border:1px solid rgba(224,164,49,.3);
  box-shadow:0 40px 80px -30px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.12);
  backdrop-filter:blur(14px)}
.cert__shine{position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(115deg,transparent 38%,rgba(255,255,255,.35) 50%,transparent 62%);
  background-size:250% 100%;background-position:140% 0;mix-blend-mode:overlay;
  animation:certSweep 5.5s ease-in-out 1.2s infinite}
@keyframes certSweep{0%{background-position:140% 0}55%,100%{background-position:-60% 0}}
.cert__seal{position:absolute;top:22px;right:24px;width:62px;height:62px;border-radius:50%;
  display:grid;place-items:center;border:2px solid var(--gold);
  box-shadow:0 0 22px -4px rgba(224,164,49,.7);background:rgba(224,164,49,.08)}
.cert__seal span{position:absolute;inset:5px;border-radius:50%;border:1px dashed rgba(224,164,49,.6);
  animation:crSpin 14s linear infinite}
.cert__seal span:nth-child(2){inset:11px;border-style:dotted;animation-duration:9s;animation-direction:reverse}
.cert__seal b{font-family:var(--ff-text);font-weight:800;font-size:.46rem;letter-spacing:.1em;
  color:var(--gold);text-align:center}
.cert__k{display:block;font-weight:700;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--gold);max-width:60%}
.cert__t{margin:12px 0 0;font-family:var(--ff-display);font-weight:700;font-size:clamp(1.4rem,2.4vw,1.9rem);
  color:#fff;line-height:1.08}
.cert__d{margin:14px 0 0;color:#b9c6d8;font-size:.95rem;line-height:1.55}
.cert__list{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:10px}
.cert__list li{display:flex;align-items:center;gap:.7em;font-weight:600;font-size:.96rem;color:#eaf0f7}
.cert__list li b{font-weight:600;color:#9fb0c6;font-size:.84rem}
.cert__list i{flex:0 0 auto;width:18px;height:18px;border-radius:50%;background:rgba(224,164,49,.15);
  border:1.5px solid var(--gold);position:relative}
.cert__list i::after{content:"";position:absolute;left:5px;top:8px;width:4px;height:7px;
  border:2px solid var(--gold);border-top:0;border-left:0;transform:rotate(40deg)}
.cert__cta{margin-top:24px;width:100%;justify-content:center;
  background:var(--gold);color:#1a1300}
.cert__cta:hover{background:#f2b948}

/* ---------- professions marquee ---------- */
.about__marquee{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);padding:22px 0;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent);
          mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent)}
.amq__track{display:inline-flex;align-items:center;gap:0;white-space:nowrap;
  animation:amqScroll 34s linear infinite;will-change:transform}
.amq__track span{font-family:var(--ff-display);font-weight:700;font-size:clamp(1.3rem,2.4vw,2.1rem);
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.45);padding:0 .55em;
  transition:color .3s,-webkit-text-stroke-color .3s}
.amq__track:hover span{color:rgba(255,255,255,.06)}
.amq__track i{color:var(--teal);font-size:1rem;font-style:normal;opacity:.8}
@keyframes amqScroll{to{transform:translateX(-50%)}}

/* ---------- responsive ---------- */
@media (max-width:920px){
  .about__wrap{grid-template-columns:1fr}
  .about__scrim{background:
    linear-gradient(180deg,rgba(11,19,32,.85),rgba(11,19,32,.55) 40%,rgba(11,19,32,.92)),
    linear-gradient(90deg,rgba(11,19,32,.9),rgba(11,19,32,.6))}
}
@media (prefers-reduced-motion:reduce){
  .cert__shine,.amq__track,.cert__seal span,.about__eye .dot{animation:none}
  .amq__track{transform:none}
}