/* ============================================================
   ABOUT SECTION STYLES
   ============================================================ */

.about {
  position: relative;
  overflow: hidden;
  background: var(--color-bg);
}

.about__bg-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  background: rgba(108, 99, 255, 0.06);
  border-radius: 50%;
  filter: blur(100px);
  left: -200px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

/* --- Layout --- */
.about__container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 80px;
}

/* --- Image Block --- */
.about__image-block {
  position: relative;
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.about--visible .about__image-block {
  opacity: 1;
  transform: translateX(0);
}

/* Frame ảnh about - tỉ lệ 3:4 thấy ngực đến đầu */
.about__photo-frame {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 2px solid rgba(108, 99, 255, 0.3);
  position: relative;
  box-shadow: 0 20px 60px rgba(108, 99, 255, 0.2), 0 4px 20px rgba(0,0,0,0.5);
  background: var(--color-bg-card);
}

.about__photo-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 65%, rgba(10,10,26,0.35) 100%);
  pointer-events: none;
  border-radius: inherit;
}

.about__photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  display: block;
  transition: transform 0.5s ease;
}

.about__photo-frame:hover .about__photo {
  transform: scale(1.04);
}

/* Floating experience card */
.about__exp-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--gradient-primary);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  box-shadow: 0 8px 30px rgba(108, 99, 255, 0.4);
  z-index: 2;
}

.about__exp-number {
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}

.about__exp-label {
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
  opacity: 0.9;
  line-height: 1.4;
}

/* Dots grid decoration */
.about__dots-grid {
  position: absolute;
  top: -20px;
  left: -20px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  z-index: -1;
}

.about__dot {
  width: 5px;
  height: 5px;
  background: rgba(108, 99, 255, 0.3);
  border-radius: 50%;
}

/* --- Content Block --- */
.about__content {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s 0.2s ease, transform 0.7s 0.2s ease;
}

.about--visible .about__content {
  opacity: 1;
  transform: translateX(0);
}

.about__paragraphs {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.about__paragraph {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* Stats Grid */
.about__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-bottom: 36px;
}

.about__stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.about__stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-base);
}

.about__stat-card:hover {
  border-color: var(--color-border);
  background: var(--color-bg-elevated);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.about__stat-card:hover::before {
  transform: scaleX(1);
}

.about__stat-number {
  font-size: 2rem;
  font-weight: 900;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.about__stat-label {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* CTA Button */
.about__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.about__cta-arrow {
  transition: transform var(--transition-fast);
}

.about__cta:hover .about__cta-arrow {
  transform: translateX(4px);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about__container {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .about__image-block {
    max-width: 360px;
    margin: 0 auto;
  }

  .about__content {
    text-align: center;
  }

  .about__stats {
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 480px) {
  .about__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .about__stat-card {
    padding: 18px 14px;
  }

  .about__stat-number {
    font-size: 1.6rem;
  }

  .about__exp-card {
    right: 0;
    bottom: -15px;
    padding: 14px 18px;
  }

  .about__exp-number {
    font-size: 1.6rem;
  }
}

/* ============================================================
   ABOUT - Styles bổ sung cho học vấn, vị trí, kinh nghiệm
   ============================================================ */

.about__sub-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 12px;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.about__sub-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(108, 99, 255, 0.12);
  border: 1px solid rgba(108, 99, 255, 0.25);
  border-radius: 6px;
  color: var(--color-primary);
  flex-shrink: 0;
}

/* Học vấn */
.about__edu-block {
  margin-bottom: 28px;
}

.about__edu-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-subtle);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.about__edu-card strong {
  color: var(--color-text-primary);
  font-size: 0.95rem;
}

.about__edu-card span {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Vị trí ứng tuyển */
.about__positions-block {
  margin-bottom: 28px;
}

.about__positions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.about__position-tag {
  background: rgba(108, 99, 255, 0.12);
  border: 1px solid rgba(108, 99, 255, 0.3);
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.about__position-tag:hover {
  background: rgba(108, 99, 255, 0.25);
  transform: translateY(-2px);
}

/* Kinh nghiệm */
.about__exp-block {
  margin-bottom: 32px;
}

.about__exp-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about__exp-item {
  display: flex;
  gap: 12px;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
  align-items: flex-start;
}

.about__exp-bullet {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
  flex-shrink: 0;
  margin-top: 7px;
}

/* Stats với icon */
.about__stat-icon {
  font-size: 1.5rem;
  margin-bottom: 4px;
}