.main {
  padding: 120px 0;
}

.about-us .logo {
  display: block;
  width: 72px;
  height: 72px;
}

h1 {
  font-size: 60px;
  font-weight: 700;
  letter-spacing: -1.5px;
  margin-bottom: 24px;
  line-height: 1.1;
}

h2 {
  font-size: 18px;
  font-weight: 400;
  color: #718096;
  margin-bottom: 40px;
  max-width: 600px;
}

.title-accent {
  color: #d53f8c;
}

.content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  margin-top: 80px;
}

.philosophy {
  position: relative;
}

.philosophy p {
  font-size: 18px;
  margin-bottom: 24px;
  line-height: 1.7;
}

.philosophy p:last-child {
  margin-bottom: 0;
}

.highlight {
  color: #d53f8c;
  font-weight: 600;
}

.action {
  background: #f7fafc;
  padding: 48px;
  border-radius: 12px;
  height: fit-content;
}

.action-title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 24px;
}

.action p {
  font-size: 16px;
  margin-bottom: 32px;
  color: #718096;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  margin-bottom: 16px;
}

.contact-icon {
  width: 20px;
  height: 20px;
  margin-right: 12px;
  color: #d53f8c;
  margin-top: 4px;
}

.contact-text {
  font-size: 16px;
  color: #1a202c;
}

.contact-emphasis {
  font-weight: 600;
  display: block;
  margin-bottom: 8px;
}

.divider {
  width: 40px;
  height: 4px;
  background-color: #d53f8c;
  margin: 32px 0;
}

.donate-button {
  display: inline-block;
  background-color: #d53f8c;
  color: white;
  padding: 16px 32px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  margin-top: 24px;
  transition: all 0.2s ease;
}

.donate-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(213, 63, 140, 0.2);
}

/* CSS cho phần hình ảnh */
.hero {
  position: relative;
  width: 100%;
  height: 400px;
  overflow: hidden;
  margin-bottom: 60px;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.8);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5));
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  text-align: center;
  padding: 0 20px;
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: 18px;
  max-width: 600px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.image-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 40px 0;
}

.gallery-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

.gallery-image:hover {
  transform: scale(1.05);
}

.impact-section {
  background-color: #f7fafc;
  padding: 48px;
  border-radius: 12px;
  margin: 60px 0;
}
.impact-title {
  display: flex;
  justify-content: space-between;
}
.impact-title a {
    color: #d53f8c;
}
.impact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.impact-card {
  display: flex;
  flex-direction: column;
}

.impact-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 16px;
}

.impact-text {
  font-size: 16px;
  color: #1a202c;
}

.testimonial {
  display: flex;
  align-items: center;
  margin-top: 40px;
  padding: 24px;
  background-color: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.testimonial-image {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 50%;
  margin-right: 24px;
}

.testimonial-content {
  flex: 1;
}

.testimonial-text {
  font-style: italic;
  margin-bottom: 12px;
}

.testimonial-author {
  font-weight: 600;
  color: #d53f8c;
}

@media (max-width: 768px) {
    .impact-title {
        flex-direction: column;
        margin-bottom: 30px;
    }
    .action-title {
        margin-bottom: 10px;
    }
  .main {
    padding: 80px 0;
  }

  h1 {
    font-size: 40px;
  }
.impact-image {
    height: 250px;
}
  .content {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .action {
    padding: 32px;
  }

  .hero {
    height: 300px;
  }

  .hero-title {
    font-size: 32px;
  }

  .image-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .impact-grid {
    grid-template-columns: 1fr;
  }

  .testimonial {
    flex-direction: column;
    text-align: center;
  }

  .testimonial-image {
    margin-right: 0;
    margin-bottom: 16px;
  }
}

@media (max-width: 480px) {
  .image-gallery {
    grid-template-columns: 1fr;
  }
}