/* ==========================================================================
   about-history.css — Trang Giới thiệu · Section 2: Lịch sử hình thành
   Figma node 1258:15868. Nền trắng, 2 cột: nội dung trái + ảnh & badge phải.
   ========================================================================== */

.about-history {
  background-color: #ffffff;
  color: var(--dsh-ink);
  overflow: hidden;
}

/* -------- Cột nội dung (trái) -------- */
.history-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--dsh-red);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

.history-eyebrow::after {
  content: "";
  width: 48px;
  height: 2px;
  background-color: var(--dsh-gold);
}

.history-title {
  color: var(--dsh-ink);
  font-weight: 700;
  font-size: var(--fs-h2);
  line-height: 1.15;
  margin-bottom: var(--space-4);
}

.history-lead {
  color: var(--dsh-slate);
  font-size: var(--fs-body);
  line-height: 1.7;
  margin-bottom: var(--space-4);
}

.history-lead .highlight {
  color: var(--dsh-red);
  font-weight: 700;
}

.history-subhead {
  color: var(--dsh-ink);
  font-weight: 600;
  font-size: var(--fs-body);
  margin-bottom: var(--space-3);
}

/* -------- Danh sách 3 cổ đông sáng lập -------- */
.history-founders {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: 0;
  margin: 0;
  list-style: none;
}

.history-founders li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background-color: #f6f7f9;
  border: 1px solid rgba(13, 37, 69, .06);
  border-left: 3px solid var(--dsh-red);
  border-radius: var(--radius);
  transition: transform var(--transition-base), border-color var(--transition-base),
              box-shadow var(--transition-base);
}

.history-founders li:hover {
  transform: translateY(-3px);
  border-left-color: var(--dsh-gold);
  box-shadow: 0 .75rem 1.5rem rgba(13, 37, 69, .08);
}

.history-founders .check-ic {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(154, 18, 32, .1);
  color: var(--dsh-red);
  font-size: 15px;
}

.history-founders span {
  color: var(--dsh-ink);
  font-weight: 500;
  font-size: var(--fs-body);
  line-height: 1.4;
}

/* -------- Cột ảnh + badge năm (phải) -------- */
.history-visual { position: relative; }

.history-image {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: 0 1.5rem 3rem rgba(13, 37, 69, .18);
  display: block;
}

/* Overlay chữ "HISTORY OF FORMATION" trên ảnh */
.history-image-caption {
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  color: #ffffff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, .4);
}

.history-image-caption strong {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
}

.history-image-caption small {
  font-size: .75rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  opacity: .85;
}

/* Badge đỏ góc dưới */
.history-badge {
  position: absolute;
  left: calc(-1 * var(--space-4));
  bottom: calc(-1 * var(--space-4));
  background-color: var(--dsh-red);
  color: #ffffff;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  box-shadow: 0 1rem 2.5rem rgba(154, 18, 32, .35);
  text-align: center;
}

.history-badge .badge-num {
  display: block;
  font-size: clamp(2.25rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1;
}

.history-badge .badge-label {
  display: block;
  margin-top: var(--space-1);
  font-size: .8125rem;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .85);
}

@media (max-width: 991.98px) {
  .history-visual { margin-top: var(--space-6); }
  .history-badge {
    left: auto;
    right: var(--space-4);
    bottom: calc(-1 * var(--space-3));
  }
}