/* ===== СЕКЦИЯ ОТДЕЛЕНИЙ ===== */
.branches {
  padding: 80px 0 85px;
  background:
    radial-gradient(circle at top left, rgba(0, 188, 212, 0.18) 0, transparent 55%),
    radial-gradient(circle at bottom right, rgba(47, 123, 255, 0.22) 0, transparent 55%),
    var(--bg-section-dark-top, #0F2748); /* тёмный фон как у калькулятора */
  color: #E5ECFF; /* базовый светлый текст на секции */
}

.branches-inner {
  max-width: 1000px;
  margin: 0 auto;
  text-align: left;
}

.branches-inner h1 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 34px;
  color: #F8FAFF; /* белый заголовок на тёмном фоне */
}

/* ===== Блок области ===== */
.branch-box {
  background: var(--card-bg);
  border-radius: 16px;
  margin-bottom: 18px;
  overflow: hidden;
  border: 1px solid var(--border-card);
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
}

.branch-box.open {
  box-shadow: 0 12px 30px rgba(var(--brand-blue-rgb), 0.20);
  border-color: rgba(var(--brand-blue-rgb), 0.40);
  transform: translateY(-2px);
}

/* ===== Кнопка (заголовок области) ===== */
.branch-toggle {
  width: 100%;
  background: none;
  border: none;
  color: var(--brand-blue);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
  padding: 18px 22px;
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease;
}

.branch-toggle:hover {
  background: rgba(var(--brand-blue-rgb), 0.06);
  color: var(--brand-blue-soft);
}

.arrow {
  float: right;
  transition: transform 0.3s ease;
}

.branch-box.open .arrow {
  transform: rotate(180deg);
}

/* ===== Контент ===== */
.branch-content {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  padding: 0 22px;
  transition: max-height 0.35s ease, opacity 0.3s ease, padding-bottom 0.3s ease;
}

.branch-box.open .branch-content {
  max-height: 800px;
  opacity: 1;
  padding-bottom: 16px;
}

/* ===== Ссылки адресов ===== */
.branch-content a {
  display: block;
  color: var(--text-muted);
  text-decoration: none;
  margin: 6px 0;
  font-size: 0.95rem;
  transition: color 0.2s ease, transform 0.15s ease;
}

.branch-content a:hover {
  color: var(--brand-blue);
  transform: translateX(2px);
}

/* ===== АДАПТИВ ===== */
@media (max-width: 768px) {
  .branches-inner h1 {
    font-size: 1.7rem;
    margin-bottom: 26px;
  }

  .branch-toggle {
    font-size: 1rem;
    padding: 16px 18px;
  }

  .branch-content a {
    font-size: 0.9rem;
  }
}