.about-section {
  max-width: 1200px;
  margin: -20px auto 0;
  padding: 40px 30px;
  background: linear-gradient(135deg, #fff, #fafafa);
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}
.about-section h1 {
  text-align: center;
  font-size: 3rem;
  margin-bottom: 50px;
  font-weight: 800;
}
.about-container {
  display: flex;
  gap: 40px;
  align-items: stretch;
  flex-wrap: wrap;
}
.about-image {
  flex: 1;
  min-width: 280px;
  display: flex;
  object-fit: contain;
}
.about-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  transition: transform 0.4s;
  aspect-ratio: 4/3;
}
.about-image img:hover {
  transform: scale(1.04);
}
.about-content {
  flex: 1.2;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.about-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  color: #333;
  margin-bottom: 25px;
}
.about-content ul {
  list-style: none;
  padding: 0;
}
.about-content ul li {
  position: relative;
  padding-left: 35px;
  margin-bottom: 18px;
  font-size: 1.05rem;
  color: #222;
  line-height: 1.6;
}
.about-content ul li::before {
  content: "\f00c";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 3px;
  width: 24px;
  height: 24px;
  background-color: #e6f3ec;
  color: #007a4a;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  font-size: 0.9rem;
}
.certifications {
  text-align: center;
  padding: 2rem 1rem 1rem;
}

.certifications h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: #007a4a;
  font-weight: 700;
}

.certification-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.5rem;
  align-items: center;
  justify-items: center;
}

.certification-item {
  width: 100%;
  max-width: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.certification-item:hover {
  transform: translateY(-6px);
}

.certification-item img {
  max-height: 120px;
  max-width: 100%;
  object-fit: contain;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.2));
  transition: transform 0.3s ease;
}

.certification-item img:hover {
  transform: scale(1.05);
}

/* -------- Responsive Design -------- */
@media (max-width: 992px) {
  .certifications h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .certification-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .certification-item {
    max-width: 160px;
  }
}

@media (max-width: 600px) {
  .certifications {
    padding: 1.5rem 0.75rem;
  }
  .certifications h2 {
    font-size: 1.5rem;
  }
  .certification-item {
    max-width: 140px;
  }
  .certification-item img {
    max-height: 90px;
  }
}

@media (max-width: 480px) {
  .certification-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  .certification-item {
    max-width: 120px;
  }
}

@media (min-width: 992px) {
  .about-image img {
    max-height: 400px;
    object-fit: fill;
    aspect-ratio: 4/3;
    width: auto;
    max-width: 80%;
    margin: 0 auto;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  }
}
@media (max-width: 991px) {
  .about-container {
    flex-direction: column;
  }
  .about-image img {
    aspect-ratio: auto;
    height: auto;
  }
  .about-section h1 {
    font-size: 2.5rem;
  }
  .about-content p,
  .about-content ul li {
    font-size: 1rem;
  }
}
@media (max-width: 600px) {
  .about-section {
    padding: 30px 15px;
    margin-top: -90px;
  }
  .about-section h1 {
    font-size: 2rem;
  }
}
@media (max-width: 480px) {
  .about-section {
    margin-top: -60px;
  }
}