/* ============================================================
   ABOUT page
   ============================================================ */

.about-hero {
  position: relative;
  padding: calc(var(--nav-h) + 100px) 0 90px;
  overflow: hidden;
}
.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 50% 45% at 25% 20%, rgba(0, 208, 240, 0.1), transparent 70%);
}
.about-hero__inner {
  position: relative;
  width: min(var(--max-w), 92%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}
.about-hero__title {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 700;
  line-height: 1.14;
  margin-bottom: 24px;
}
.about-hero__title em { font-style: normal; color: var(--cyan); }
.about-hero__visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  height: 400px;
}
.about-hero__visual img { width: 100%; height: 100%; object-fit: cover; }
.about-hero__visual::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(6, 14, 32, 0.7));
}

/* Company overview */
.ov {
  width: min(var(--max-w), 92%);
  margin: 0 auto;
  padding: 90px 0 70px;
  border-bottom: 1px solid var(--line);
}
.ov__head { margin-bottom: 54px; }

.ov__specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 54px;
}
.spec {
  padding: 30px 30px 26px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-2);
  transition: border-color 0.3s, transform 0.3s;
}
.spec:hover { border-color: rgba(0, 208, 240, 0.4); transform: translateY(-4px); }
.spec .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 12px;
}
.spec .value {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
}
.spec .value em { font-style: normal; color: var(--cyan); }
.spec p { color: var(--ink-dim); font-size: 14px; margin-top: 10px; }

/* Stats band */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  background: linear-gradient(150deg, var(--bg-2), var(--bg-0));
}
.stats__cell {
  padding: 34px 30px;
  border-left: 1px solid var(--line);
}
.stats__cell:first-child { border-left: none; }
.stats__cell .num {
  font-family: var(--font-display);
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 700;
  margin-bottom: 6px;
}
.stats__cell .num em { font-style: normal; color: var(--cyan); }
.stats__cell .label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.stats__cell .desc { color: var(--ink-dim); font-size: 13px; margin-top: 8px; }

/* ---------- History timeline ---------- */
.timeline {
  width: min(var(--max-w), 92%);
  margin: 0 auto;
  padding: 100px 0;
}
.timeline .section-head { margin-bottom: 70px; }

.tl {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.tl::before {
  content: "";
  position: absolute;
  top: 9px; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(0, 208, 240, 0.15));
}
.tl__item { position: relative; }
.tl__item::before {
  content: "";
  position: absolute;
  top: 3px; left: 0;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--bg-1);
  border: 3px solid var(--cyan);
  box-shadow: 0 0 14px var(--cyan-glow);
}
.tl__item .period {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  margin: 34px 0 12px;
}
.tl__item h3 {
  font-size: 21px;
  font-weight: 700;
  margin-bottom: 12px;
}
.tl__item ul { display: grid; gap: 8px; }
.tl__item li {
  color: var(--ink-dim);
  font-size: 15px;
  display: flex;
  gap: 10px;
}
.tl__item li::before {
  content: "—";
  color: var(--cyan);
  flex-shrink: 0;
}

/* ---------- Certifications ---------- */
.certs {
  width: min(var(--max-w), 92%);
  margin: 0 auto;
  padding-bottom: 110px;
}
.certs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.cert {
  padding: 34px 30px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--bg-2);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: border-color 0.3s, transform 0.3s;
}
.cert:hover { border-color: rgba(0, 208, 240, 0.4); transform: translateY(-4px); }
.cert .badge {
  flex-shrink: 0;
  width: 46px; height: 46px;
  border: 1px solid rgba(0, 208, 240, 0.4);
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--cyan-soft);
}
.cert h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.cert p { color: var(--ink-dim); font-size: 14px; }

@media (max-width: 960px) {
  .about-hero__inner { grid-template-columns: 1fr; gap: 40px; }
  .about-hero__visual { height: 300px; }
  .ov__specs { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stats__cell:nth-child(3) { border-left: none; }
  .stats__cell:nth-child(n+3) { border-top: 1px solid var(--line); }
  .tl { grid-template-columns: 1fr; gap: 56px; }
  .tl::before { left: 6px; right: auto; top: 0; bottom: 0; width: 1px; height: auto;
    background: linear-gradient(180deg, var(--cyan), rgba(0, 208, 240, 0.15)); }
  .tl__item { padding-left: 36px; }
  .tl__item .period { margin-top: 0; }
  .certs__grid { grid-template-columns: 1fr; }
}