/* ==========================================
   Секция "О нас" — оставлена логика и стили из Кода1
   с улучшениями из Кода2 (padding/spacing)
   ========================================== */
.about-section {
  padding: calc(var(--spacing-3xl) + 3.5rem) 0 var(--spacing-3xl);
  margin-top: -3.5rem;
  background: linear-gradient(45deg, var(--gray-100) 0%, var(--white) 100%);
  position: relative;
  overflow: hidden;
}

.about-section::before {
  content: '';
  position: absolute;
  top: -10%;
  left: -10%;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle at 50% 50%, rgba(25, 113, 194, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.about-section h1 {
  font-size: 3.6rem;
  margin-bottom: 2.5rem;
  text-align: center;
  color: var(--dark);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1.1;
  position: relative;
  display: inline-block;
  background: linear-gradient(45deg, #212121, #4a4a4a);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0px 2px 3px rgba(0,0,0,0.1);
}

.about-section h1::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 90px;
  height: 4px;
  background: linear-gradient(90deg, #0066cc, #00c3ff);
  border-radius: 4px;
}

.about-section p {
  margin-bottom: 1.8rem;
  line-height: 1.8;
  color: #333333;
  font-size: 1.15rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  padding-left: var(--spacing-lg);
}

.about-section p::before {
  content: '▹';
  position: absolute;
  left: 0;
  color: #0066cc;
  font-size: 1.4rem;
  top: 0.2em;
}

.about-section ul {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.2rem;
  padding: 0;
  margin: 3.5rem auto;
  max-width: 1200px;
  list-style: none;
}

.about-section ul li {
  background: var(--white);
  padding: 1.8rem;
  border-radius: 18px;
  box-shadow: var(--shadow-lg);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.about-section ul li:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: rgba(0, 123, 255, 0.1);
}