/* ============================================
   About Page
   ============================================ */

/* ===== Page Hero (sub-page banner) ===== */
.page-hero {
  position: relative;
  min-height: 420px;
  background: var(--industrial-blue-dark);
  color: var(--white);
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  overflow: hidden;
}

.page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.35);
}

.page-hero__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(20, 37, 56, 0.92) 0%, rgba(20, 37, 56, 0.5) 100%);
}

.page-hero__pattern {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(180deg, black 0%, transparent 100%);
}

.page-hero__inner {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-12) var(--space-6);
}

.page-hero h1 {
  color: var(--white);
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  margin-bottom: var(--space-4);
  max-width: 800px;
}

.page-hero p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.125rem;
  max-width: 680px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent-orange);
  margin-bottom: var(--space-6);
  font-family: var(--font-display);
  font-weight: 600;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--accent-orange);
}

.breadcrumb__sep {
  color: rgba(255, 255, 255, 0.3);
}

/* ===== Company Overview ===== */
.overview__grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-16);
  align-items: center;
}

.overview__visual {
  position: relative;
}

.overview__image {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.overview__image--offset {
  position: absolute;
  width: 55%;
  aspect-ratio: 1;
  bottom: -40px;
  right: -30px;
  border: 8px solid var(--white);
  box-shadow: var(--shadow-lg);
}

.overview__content p {
  font-size: 1.0625rem;
  line-height: 1.8;
  margin-bottom: var(--space-4);
}

/* ===== Vision & Mission ===== */
.vm-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
}

.vm-card {
  background: var(--white);
  padding: var(--space-12);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: all var(--transition-base);
}

.vm-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: var(--accent-orange);
  transform: scaleY(0.2);
  transform-origin: top;
  transition: transform var(--transition-base);
}

.vm-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.vm-card:hover::before {
  transform: scaleY(1);
}

.vm-card__icon {
  width: 72px;
  height: 72px;
  background: var(--industrial-blue-dark);
  color: var(--accent-orange);
  display: grid;
  place-items: center;
  margin-bottom: var(--space-6);
}

.vm-card__label {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent-orange);
  margin-bottom: var(--space-3);
}

.vm-card h3 {
  font-size: 1.75rem;
  margin-bottom: var(--space-4);
}

.vm-card p {
  font-size: 1rem;
  line-height: 1.7;
}

/* ===== Values ===== */
.values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.value-item {
  padding: var(--space-8);
  background: var(--white);
  border-top: 3px solid var(--accent-orange);
  transition: all var(--transition-base);
}

.value-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.value-item__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--accent-orange);
  line-height: 1;
  margin-bottom: var(--space-4);
  letter-spacing: -0.02em;
}

.value-item h4 {
  font-size: 1.25rem;
  margin-bottom: var(--space-3);
}

.value-item p {
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ===== Timeline ===== */
.timeline {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--border-dark);
}

.timeline__item {
  position: relative;
  padding-left: 70px;
  padding-bottom: var(--space-12);
}

.timeline__item:last-child { padding-bottom: 0; }

.timeline__marker {
  position: absolute;
  left: 10px;
  top: 4px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-orange);
  border: 4px solid var(--industrial-blue-dark);
  box-shadow: 0 0 0 2px var(--accent-orange);
}

.timeline__year {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent-orange);
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.timeline__item h4 {
  color: var(--white);
  font-size: 1.25rem;
  margin-bottom: var(--space-2);
}

.timeline__item p {
  color: rgba(255, 255, 255, 0.7);
  max-width: 640px;
  line-height: 1.7;
}

@media (max-width: 960px) {
  .overview__grid { grid-template-columns: 1fr; gap: var(--space-12); }
  .overview__image--offset { display: none; }
  .vm-grid { grid-template-columns: 1fr; }
  .values__grid { grid-template-columns: 1fr; }
  .vm-card { padding: var(--space-8); }
}