/* --------------------------
   ОБЩИЕ СТИЛИ
-------------------------- */
body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background: #ffffff;
  color: #222;
  line-height: 1.6;
}

h1, h2 {
  color: #003366;
}

a {
  color: #0066cc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --------------------------
   КОНТЕЙНЕР
-------------------------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* --------------------------
   ЗАГОЛОВОК И КНОПКИ
-------------------------- */
header {
  background: #f0f6ff;
  padding: 40px 20px;
  text-align: center;
}

header h1 {
  font-size: 32px;
  margin-bottom: 10px;
}

header p {
  font-size: 18px;
  margin-bottom: 20px;
}

.btn-primary,
.btn-secondary {
  display: inline-block;
  padding: 12px 20px;
  margin: 5px;
  border-radius: 8px;
  font-weight: bold;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.2s ease;
}

.btn-primary {
  background-color: #0078d4;
  color: #fff;
  border: none;
}

.btn-primary:hover {
  background-color: #005a9e;
}

.btn-secondary {
  background-color: #e0e0e0;
  color: #333;
  border: none;
}

.btn-secondary:hover {
  background-color: #cccccc;
}

/* --------------------------
   СЕКЦИЯ ПРЕИМУЩЕСТВ
-------------------------- */
.benefits {
  background: #f9f9f9;
  padding: 40px 20px;
}

.benefit-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 15px;
}

.benefit-list li {
  background: #ffffff;
  border: 1px solid #e3e3e3;
  border-radius: 10px;
  padding: 15px;
  font-size: 16px;
}

/* --------------------------
   КАРТА РЕГИОНОВ
-------------------------- */
.map-block {
  background: #ffffff;
  padding: 40px 20px;
  text-align: center;
}

.map-block img {
  border: 1px solid #ccc;
  border-radius: 8px;
  margin-top: 20px;
  max-width: 100%;
}

/* --------------------------
   КАЛЬКУЛЯТОР
-------------------------- */
.calculator {
  background: #eef4fc;
  padding: 40px 20px;
}

.calculator form {
  max-width: 600px;
  margin: 0 auto;
}

.calculator label {
  display: block;
  margin-bottom: 15px;
  font-weight: bold;
}

.calculator input,
.calculator select {
  width: 100%;
  padding: 10px;
  margin-top: 5px;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 16px;
}

/* --------------------------
   СЕТКА ГОРОДОВ
-------------------------- */
.city-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 15px;
  margin-top: 30px;
}

.city-card,
.city-item {
  background: #f5faff;
  border: 1px solid #cfe2ff;
  border-radius: 8px;
  padding: 15px;
  text-align: center;
  font-weight: bold;
  color: #003366;
  transition: 0.2s ease-in-out;
}

.city-card:hover,
.city-item:hover {
  background: #e1efff;
  color: #0056b3;
  text-decoration: none;
}

.city-link {
  color: inherit;
  text-decoration: none;
  display: block;
}

/* --------------------------
   ФУТЕР
-------------------------- */
footer {
  background: #003366;
  color: #fff;
  text-align: center;
  padding: 20px;
  font-size: 14px;
}

footer a {
  color: #ffffff;
  margin: 0 5px;
}

/* --------------------------
   АДАПТИВНОСТЬ
-------------------------- */
@media (max-width: 600px) {
  header h1 {
    font-size: 24px;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    margin: 10px 0;
  }

  .calculator form {
    padding: 0 10px;
  }
}