.about-section {
  border: 1px solid #d6d9de;
  border-radius: 14px;
  padding: 1.5rem;
  background: #fbfcfe;
  color: #1f2937;
  max-width: 900px;
  margin: 0 auto;
}

.about-section__title {
  margin: 0 0 1.5rem;
  font-size: 2rem;
  color: #1f2937;
}

.about-section__intro {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .about-section__intro {
    grid-template-columns: auto 1fr;
  }
}

.about-section__avatar {
  width: 120px;
  height: 120px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .about-section__avatar {
    margin: 0;
  }
}

.about-section__avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid #e2e8f0;
}

.about-section__intro-text p {
  margin: 0 0 1rem;
  line-height: 1.6;
  color: #374151;
}

.about-section__subtitle {
  margin: 0 0 1rem;
  font-size: 1.5rem;
  color: #1f2937;
}

.about-section__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

@media (min-width: 768px) {
  .about-section__grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about-section__card {
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 1.25rem;
  background: #ffffff;
}

.about-section__card-title {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  color: #1f2937;
}

.about-section__list {
  margin: 0;
  padding-left: 1.25rem;
  line-height: 1.7;
  color: #374151;
}

.about-section__list li {
  margin-bottom: 0.75rem;
}

.about-section__projects,
.about-section__contact {
  margin-bottom: 2rem;
}

.about-section__section-title {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  color: #1f2937;
}

.about-section__link {
  color: #1e40af;
  text-decoration: none;
}

.about-section__link:hover {
  text-decoration: underline;
}

.about-section__contact-list li {
  margin-bottom: 0.5rem;
}

.about-section__download {
  display: flex;
  justify-content: center;
  margin-top: 2rem;
}

.about-section__button {
  border: none;
  border-radius: 8px;
  background: #1e40af;
  color: #ffffff;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s ease;
}

.about-section__button:hover {
  background: #1e3a8a;
}

.about-section__button:active {
  background: #1e3a8a;
}