about-us-root,
about-us-root * {
  box-sizing: border-box;
}

about-us-root {
  --ink:#0f172a;
  --muted:#667085;
  --teal:#0ea5a5;
  --line:#e6eaf0;
  --bg:#f7f9fb;
  --card:#ffffffcc;
  --ring:rgba(14,165,165,.35);
  --shadow1:0 8px 24px rgba(15,23,42,.08);
  --shadow2:0 20px 48px rgba(15,23,42,.12);
  --radius:18px;
  color:var(--ink);
  font:400 16px/1.6 Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  display:block;
  contain:layout paint style;
}

/* Απόκρυψη μέχρι να οριστεί το custom element */
about-us-root:not(:defined) {
  visibility:hidden;
  display:block;
}

@media (prefers-color-scheme:dark){
  about-us-root{
    --ink:#e5e7eb;
    --muted:#9aa4b2;
    --line:#243244;
    --bg:#0b1220;
    --card:#0f172acc;
    --shadow1:0 8px 24px rgba(0,0,0,.4);
    --shadow2:0 20px 48px rgba(0,0,0,.55);
    --ring:rgba(45,212,191,.5);
  }
}

about-us-root #about{
  position:relative;
  left:50%;
  right:50%;
  margin-left:-50vw;
  margin-right:-50vw;
  width:100vw;
  padding:84px 0;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--bg);
}

about-us-root #about > div{
  width:100%;
  max-width:1500px;
  padding:0 24px;
  margin:0 auto;
}

about-us-root #about > div > div:first-child{
  margin:0 0 28px;
  text-align:center;
}

about-us-root #about h1{
  margin:0;
  font-weight:900;
  letter-spacing:.2px;
  line-height:1.1;
  font-size:clamp(30px,4.6vw,52px);
  color:#1f4fd7;
  display:inline-block;
  position:relative;
  padding-bottom:12px;
}

about-us-root #about h1 span{
  color:#0e4e46;
  font-weight:900;
  background:none;
  box-shadow:none;
  padding:0;
  margin:0 0 0 8px;
  border-radius:0;
}

about-us-root #about h1::after{
  content:"";
  position:absolute;
  left:50%;
  transform:translateX(-50%);
  bottom:0;
  width:min(420px,70%);
  height:4px;
  border-radius:4px;
  background:linear-gradient(90deg,transparent,var(--teal),transparent);
}

/* Visually hidden intro για screen readers */
about-us-root #about-intro{
  position:absolute !important;
  width:1px !important;
  height:1px !important;
  padding:0 !important;
  margin:-1px !important;
  overflow:hidden !important;
  clip:rect(0,0,0,0) !important;
  white-space:nowrap !important;
  border:0 !important;
}

about-us-root #about-list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:26px;
  align-items:stretch;
}

about-us-root #about-list > article{
  position:relative;
  backdrop-filter:saturate(140%) blur(6px);
  background:var(--card);
  border-radius:var(--radius);
  padding:26px 24px;
  border:1px solid var(--line);
  box-shadow:var(--shadow1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  overflow:hidden;
}

about-us-root #about-list > article::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  border-radius:inherit;
  background:linear-gradient(180deg,rgba(14,165,165,.10),transparent 35%);
  opacity:.8;
}

about-us-root #about-list > article:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow2);
  border-color:var(--ring);
}

about-us-root #about-list > article > span[role="img"]{
  display:grid;
  place-items:center;
  width:56px;
  height:56px;
  border-radius:50%;
  font-size:24px;
  margin-bottom:14px;
  background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,255,255,.6));
  border:1px solid rgba(14,165,165,.3);
  box-shadow:0 10px 20px rgba(14,165,165,.20);
}

about-us-root #about-list h2{
  margin:0 0 8px;
  font-weight:800;
  font-size:1.1rem;
  color:#1f4fd7;
  letter-spacing:.2px;
}

about-us-root #about-list p{
  margin:0;
  color:var(--muted);
  font-size:1rem;
  line-height:1.7;
  max-width:38ch;
}

about-us-root .reveal{
  opacity:0;
  transform:translateY(12px) scale(.985);
  transition:opacity .5s ease,transform .5s ease;
}

about-us-root .reveal.in{
  opacity:1;
  transform:none;
}

@media (prefers-reduced-motion:reduce){
  about-us-root .reveal,
  about-us-root .reveal.in{
    transition:none;
    transform:none;
    opacity:1;
  }
}

/* Keyboard focus μόνο μέσα στο component */
about-us-root.kbd #about-list > article:focus-within,
about-us-root.kbd #about-list > article:focus{
  outline:2px solid var(--ring);
  outline-offset:2px;
}