.about {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 108px 0;
  color: #fff;
  background: #121a20;
}

.about-backdrop,
.about-shade { position:absolute; inset:0; }
.about-backdrop {
  z-index:-2;
  background:url('assets/img/cilindro-detalle-vastago.jpg') center/cover no-repeat;
  transform:scale(1.025);
}
.about-shade {
  z-index:-1;
  background:linear-gradient(105deg,rgba(10,20,27,.95) 0%,rgba(10,20,27,.90) 48%,rgba(10,20,27,.72) 100%);
}

.about-content { position:relative; }
.about-intro { max-width:820px; margin-bottom:42px; }
.about-intro .section-tag { color:#ffa352; }
.about-intro h2 {
  max-width:760px;
  margin:0 0 18px;
  color:#fff;
  font-size:clamp(2rem,4vw,3.25rem);
  line-height:1.08;
  text-transform:uppercase;
}
.about-intro > p:last-child { max-width:780px; margin:0; color:rgba(255,255,255,.86); font-size:1.08rem; }

.purpose-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:22px; }
.purpose-card {
  display:grid;
  grid-template-columns:58px 1fr;
  gap:18px;
  padding:28px;
  border:1px solid rgba(255,255,255,.20);
  border-top:3px solid #f1791f;
  border-radius:10px;
  background:rgba(15,25,32,.84);
  box-shadow:0 14px 35px rgba(0,0,0,.22);
  backdrop-filter:blur(5px);
}
.purpose-icon,.value-icon {
  display:grid;
  place-items:center;
  color:#f1791f;
  border:1px solid rgba(241,121,31,.5);
  background:rgba(241,121,31,.12);
}
.purpose-icon { width:58px; height:58px; border-radius:10px; font-size:1.45rem; }
.purpose-card h3 { margin:0 0 8px; color:#fff; font-size:1.55rem; letter-spacing:1px; }
.purpose-card p { margin:0; color:rgba(255,255,255,.78); line-height:1.65; }

.values-block { margin-top:46px; }
.values-kicker { margin:0 0 18px; color:#fff; font-family:var(--font-head); font-size:1.7rem; font-weight:700; letter-spacing:1px; }
.values-grid { display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:14px; }
.value-item {
  min-height:190px;
  padding:24px 18px 20px;
  text-align:center;
  border:1px solid rgba(255,255,255,.17);
  border-radius:9px;
  background:rgba(255,255,255,.08);
  backdrop-filter:blur(5px);
}
.value-icon { width:64px; height:64px; margin:0 auto 16px; border-radius:50%; font-size:1.55rem; }
.value-item h3 { margin:0 0 7px; color:#fff; font-size:1.12rem; letter-spacing:.8px; }
.value-item p { margin:0; color:rgba(255,255,255,.72); font-size:.92rem; line-height:1.45; }

@media (max-width:980px) {
  .values-grid { grid-template-columns:repeat(3,minmax(0,1fr)); }
}
@media (max-width:760px) {
  .about { padding:76px 0; }
  .purpose-grid { grid-template-columns:1fr; }
  .purpose-card { grid-template-columns:48px 1fr; padding:22px; }
  .purpose-icon { width:48px; height:48px; }
  .values-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .value-item:last-child { grid-column:1/-1; }
}
@media (max-width:430px) {
  .values-grid { grid-template-columns:1fr; }
  .value-item:last-child { grid-column:auto; }
}
@media (prefers-reduced-motion:reduce) {
  .about-backdrop { transform:none; }
}