* {
  box-sizing: border-box;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  margin: 0;
  background: #f4f9fb;
  color: #0a3a4a;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px;
}

header {
  background: #e9f4f8;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 40px;
}

.lang-switch a {
  margin-left: 8px;
  text-decoration: none;
  font-weight: 600;
  color: #005172;
  opacity: .6;
}

.lang-switch a.active {
  opacity: 1;
  background: #3095b4;
  color: #fff;
  padding: 4px 8px;
  border-radius: 6px;
}

h1 {
  font-size: 42px;
  margin-top: 40px;
}

.order-btn {
  background: #3095b4;
  color: #fff;
  border: none;
  padding: 16px 32px;
  font-size: 18px;
  border-radius: 10px;
  cursor: pointer;
  margin: 20px 0;
}

.price-info {
  background: #e6f3f8;
  padding: 20px;
  border-left: 4px solid #3095b4;
  border-radius: 10px;
}

.seo-block {
  margin-top: 50px;
}

.seo-block h2 {
  font-size: 26px;
}

.seo-block ul {
  padding-left: 20px;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  justify-content: center;
  align-items: center;
}

.modal-content {
  background: #fff;
  max-width: 520px;
  width: 100%;
  padding: 30px;
  border-radius: 14px;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.close {
  position: absolute;
  right: 16px;
  top: 16px;
  font-size: 22px;
  cursor: pointer;
}

input, textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  border-radius: 8px;
  border: 1px solid #cde3ec;
}

textarea {
  resize: vertical;
}

button[type=submit] {
  width: 100%;
  padding: 14px;
  background: #3095b4;
  border: none;
  color: #fff;
  font-size: 16px;
  border-radius: 10px;
  cursor: pointer;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0;
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.modal-content {
  background: #fff;
  max-width: 640px;
  width: 100%;
  padding: 20px;
  border-radius: 12px;
}