.intro-only-form {
  padding: 85px 0;
  position: relative;
  overflow: visible;
  border-radius: calc(var(--intro-border-radius) * 4);
}
.intro-only-form-background_color {
  background: var(--color-background);
}
.intro-only-form-background_img {
  background: radial-gradient(70% 60% at 0% 0%, rgba(123, 47, 247, .55), transparent 60%), radial-gradient(70% 60% at 100% 100%, rgba(255, 45, 85, .45), transparent 60%), linear-gradient(rgba(18, 8, 43, .68), rgba(18, 8, 43, .78)), url(../img/pipes.jpg) center 45% / cover no-repeat;
  background-size: cover;
  background-repeat: no-repeat;
  margin-bottom: 50px;
}
.intro-only-form-background_gradient {
  background: var(--zb-grad);
    background-size: 160% 100%;
  margin-bottom: 50px;
}
.intro-only-form_block {
  display: flex;
  gap: 60px;
  align-items: center;
  justify-content: space-between;

}


.intro-only-form_content {
  flex: 1;
  max-width: 600px;
}

.intro-only-form_title {
  color: var(--color-text-second);
  font-size: var(--h2-size-main);
  font-weight: 700;
  line-height: 1;
  margin-bottom: 20px;
  text-align: center;
}

.intro-only-form_description {
  color: var(--color-text-second);
  font-size: 18px;
  line-height: 1.6;
  margin-bottom: 30px;
  font-family: var(--font-two);
  text-align: center;
}

.intro-only-form_features {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
}

.intro-only-form_features li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--intro-color-text);
  font-size: 16px;
}

.intro-only-form_benefits {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
}

.benefit_item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--intro-color-text);
  font-size: 16px;
}


.intro-only-form_form {
  max-width: 80%;
  margin: 0 auto;
}

.form_card {
  background: var(--form-background);
  border-radius: calc(var(--intro-border-radius) * 4);
  padding: 40px 32px;
  box-shadow: var(--box-shadow);
  border: var(--border-main);
  font-family: var(--font-two);
}

.form_title {

  font-size: 24px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

.form_chips {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-bottom: 50px;
}

.form_body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form_row {
  display: flex;
  gap: 16px;
}
.intro-only-form_form_group {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  @media (max-width: 650px) {
    flex-direction: column;
  }
}
.intro-only-form_form_group .form_group {
  width: 100%;
}
.form_row .form_group {
  flex: 1;
}

.form_group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form_group label {
  font-size: 14px;
  font-weight: 500;
}

.form_group input {
  padding: 12px 16px;
  border: var(--border-main);
  border-radius: calc(var(--btn-border-radius) / 3);
  font-size: 16px;
  color: var(--intro-color);
  background: var(--color-background);
  transition: border-color 0.3s;
  outline: none;
}

.form_group input:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form_group input::placeholder {
  color: #94a3b8;
}


.checkbox_group {
  margin-top: 4px;
}

.checkbox_label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  font-size: 14px;
  color: var(--color-text-second);
  line-height: 1.4;
}

.checkbox_label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  cursor: pointer;
}


.btn_submit {
  padding: 14px;
  background: var(--zb-grad);
background-size: 160% 100%;
  color: var(--btn-text);
  border: none;
  border-radius: var(--btn-border-radius);
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s;
  margin-top: 4px;
  box-shadow: 0 10px 30px -8px rgba(255, 45, 85, .55), 0 6px 18px -6px rgba(123, 47, 247, .6);
}

.btn_submit:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.form_privacy {
  text-align: center;
  font-size: 12px;
  margin-top: 16px;
  opacity: 0.5;
}


@media (max-width: 1024px) {
  .intro-only-form_block {
    flex-direction: column;
    gap: 40px;
  }

  .intro-only-form_content,
  .intro-only-form_form {
    max-width: 100%;
  }

  .intro-only-form_features,
  .intro-only-form_benefits {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .intro-only-form {
    padding: 40px 0;
  }

  .form_card {
    padding: 24px 16px;
  }

  .form_row {
    flex-direction: column;
    gap: 16px;
  }

  .intro-only-form_features,
  .intro-only-form_benefits {
    grid-template-columns: 1fr;
  }

  .intro-only-form_title {

    font-size: clamp(28px, 8vw, 36px);
  }

  .intro-only-form_description {
    font-size: 16px;
  }
}