/* Container */

.carrier-form {
  max-width: 850px;
  margin: 30px auto;
  background: #ffffff;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
  border: 1px solid #e5e7eb;
}

/* Heading */

.carrier-form h1 {
  margin: 0 0 25px;
  font-size: 26px;
  color: #1f2937;
}

/* Two-column layout */

.carrier-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

/* Labels */

.form-group label {
  margin-bottom: 8px;
  font-weight: 600;
  color: #374151;
}

.required {
  color: #dc2626;
}

/* Inputs */

.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  font-size: 15px;
  transition: all 0.25s ease;
  box-sizing: border-box;
  background: #fff;
}

.form-control:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
}

/* Invalid fields */

.form-control.error {
  border-color: #dc2626;
  background: #fff8f8;
}

/* Textarea */

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Button */

.btn-submit {
  margin-top: 25px;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 8px;
  background: #2563eb;
  color: white;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: 0.2s;
}

.btn-submit:hover {
  background: #1d4ed8;
}

.btn-submit:active {
  transform: scale(0.98);
}

.center {
  text-align: center;
}

.telephone-group {
  display: flex;
  gap: 12px;
}

.phone-code {
  width: 50%;
  flex-shrink: 0;
}

.telephone-group input {
  flex: 1;
}

.optional {
  font-size: small;
  color: gray;
}

.contact-information {
  margin: 12px 0 20px;
  padding: 12px 15px;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-left: 4px solid #2563eb;
  border-radius: 6px;
  font-size: 13px;
  color: #1f2937;
}

.contact-information h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: #111827;
}

.contact-information p {
  margin: 0 0 10px;
  font-size: 12px;
  color: #374151;
  line-height: 1.3;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 6px 24px;
}

.contact-grid div {
  padding: 2px 0;
  line-height: 1.25;
  color: #111827;
}

.contact-grid strong {
  display: inline;
  font-size: 12px;
  font-weight: 600;
  color: #1d4ed8;
  margin-right: 4px;
}

/* Mobile */

@media (max-width: 640px) {
  .carrier-form {
    padding: 20px;
  }

  .telephone-group {
    flex-direction: column;
  }

  .phone-code {
    width: 100%;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}