.cos-contact__header {
  text-align: center;
  margin-bottom: 32px;
}

.cos-contact__title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.1;
}

.cos-contact__subtitle {
  margin-top: 12px;
  color: var(--cos-text-muted);
  font-size: 16px;
}

.cos-contact__inner {
  max-width: 540px;
  margin: 0 auto;
}

.cos-contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cos-contact-form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.cos-contact-form__field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.cos-contact-form__label {
  font-weight: 700;
  font-size: 14px;
  color: #fff;
}

.cos-contact-form__field input,
.cos-contact-form__field textarea {
  width: 100%;
  font: inherit;
  font-size: 16px;
  padding: 12px 16px;
  background: #fff;
  border: 1px solid #d0d5dd;
  border-radius: 8px;
  color: #0d0f1b;
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.cos-contact-form__field textarea {
  resize: vertical;
  min-height: 120px;
}

.cos-contact-form__field input::placeholder,
.cos-contact-form__field textarea::placeholder {
  color: #858585;
}

.cos-contact-form__field input:focus,
.cos-contact-form__field textarea:focus {
  outline: none;
  border-color: var(--cos-red);
  box-shadow: 0 0 0 3px rgba(231, 0, 11, 0.18);
}

.cos-contact-form__field.has-error input,
.cos-contact-form__field.has-error textarea {
  border-color: var(--cos-red);
}

.cos-contact-form__error {
  display: none;
  color: #ff7b80;
  font-size: 13px;
  margin-top: 2px;
}

.cos-contact-form__field.has-error .cos-contact-form__error {
  display: block;
}

.cos-contact-form__consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 14px;
  color: #fff;
  line-height: 1.45;
}

.cos-contact-form__consent input {
  width: 20px;
  height: 20px;
  accent-color: var(--cos-red);
  flex-shrink: 0;
  margin-top: 2px;
}

.cos-contact-form__submit {
  width: 100%;
  margin-top: 4px;
}

.cos-contact__thanks {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 48px 24px;
  text-align: center;
  background: rgba(253, 199, 0, 0.05);
  border: 1px solid rgba(253, 199, 0, 0.25);
  border-radius: var(--cos-radius-md);
}

.cos-contact__thanks[hidden] {
  display: none;
}

.cos-contact-form[hidden] {
  display: none;
}

.cos-contact__thanks p {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}

@media (max-width: 600px) {
  .cos-contact-form__row {
    grid-template-columns: 1fr;
  }
}