/* ===== Trang Giới thiệu — Section 1: HeroBanner ===== */

.about-hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  isolation: isolate;
}

/* Ảnh nền (mờ 50%, lật dọc như thiết kế) */
.about-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  transform: scaleY(-1);
  z-index: -2;
}

/* Lớp phủ gradient đỏ brand: tối trên → đỏ dưới */
.about-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    to bottom,
    rgba(13, 6, 8, 0.7) 0%,
    rgba(154, 18, 32, 0.6) 50%,
    var(--dsh-red, #9a1220) 100%
  );
}

/* Breadcrumb góc trên trái */
.about-hero-breadcrumb {
  position: absolute;
  top: 102px;
  left: clamp(16px, 8vw, 131px);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  line-height: 19.5px;
  z-index: 1;
}

.about-hero-breadcrumb a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  transition: color 0.2s ease;
}

.about-hero-breadcrumb a:hover {
  color: #ffffff;
}

.about-hero-breadcrumb .bc-current {
  color: var(--dsh-gold, #c9a84c);
}

.about-hero-breadcrumb .bc-sep {
  color: rgba(255, 255, 255, 0.4);
  font-size: 11px;
}

/* Khối nội dung giữa */
.about-hero-content {
  text-align: center;
  color: #ffffff;
  padding-block: 40px;
}

/* Eyebrow kèm 2 gạch vàng hai bên */
.about-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.about-hero-eyebrow span {
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: #ffffff;
}

.about-hero-eyebrow::before,
.about-hero-eyebrow::after {
  content: "";
  width: 48px;
  height: 1px;
  background: var(--dsh-gold, #c9a84c);
}

.about-hero-title {
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 72px);
  line-height: 1;
  letter-spacing: -1px;
  margin: 0;
}

.about-hero-subtitle {
  margin: 20px auto 0;
  max-width: 720px;
  font-size: clamp(1rem, 1.6vw, 20px);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.65);
}

@media (max-width: 575.98px) {
  .about-hero-breadcrumb { top: 90px; }
}