/* 상담신청 섹션 */
.interest-section {
  box-sizing: border-box;
  max-width: 420px;
  width: min(420px, calc(100% - 32px));
  margin: 40px auto;
  padding: 36px 24px;
  text-align: center;
  border: 1px solid #000;
  border-radius: 12px;
}

.interest-section.is-submitted {
  border-color: transparent;
}

.interest-section h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #052b39;
  margin: 0 0 8px;
  padding: 0;
}

.interest-desc {
  color: #000;
  font-size: 1.15rem;
  margin-bottom: 24px;
}

.interest-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.interest-form input {
  box-sizing: border-box;
  width: 100%;
  min-width: 0;
  padding: 14px 16px;
  font-size: 1rem;
  color: #1a1a1a;
  background: #fff;
  border: 1px solid #d1d5db;
  border-radius: 8px;
  outline: none;
}

.interest-form input::placeholder {
  color: #9ca3af;
}

.interest-form input:focus {
  border-color: #052b39;
}

.interest-form button {
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  margin-top: 4px;
  padding: 10px 24px;
  font-size: 0.735rem;
  font-weight: 700;
  color: #fff;
  background: #1e3a8a;
  border: none;
  border-radius: 999px;
  cursor: pointer;
}

.interest-form button:hover {
  background: #172e6e;
}

.interest-form button:disabled {
  opacity: 0.6;
}

.interest-success {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 52px;
  margin-top: 18px;
  padding: 14px 18px;
  color: #064e3b;
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.45;
  background: #ecfdf5;
  border: 1px solid #10b981;
  border-radius: 8px;
  box-shadow: 0 8px 18px rgba(6, 78, 59, 0.08);
}

.interest-error {
  color: #d64545;
  margin-top: 10px;
  font-size: 0.9rem;
}

.interest-section--overview {
  max-width: 1080px;
  width: min(1080px, calc(100% - 32px));
  margin: 28px auto 34px;
  padding: 14px;
  text-align: left;
  background: #f6f8f7;
  border: 1px solid #cfd8d5;
  border-radius: 0;
}

.interest-section--overview .interest-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr) minmax(0, 1.35fr) auto;
  align-items: stretch;
  gap: 8px;
}

.interest-section--overview .interest-form input {
  height: 42px;
  padding: 0 12px;
  font-size: 0.95rem;
  border-color: #c9d2cf;
  border-radius: 0;
}

.interest-section--overview .interest-form button {
  align-self: stretch;
  margin-top: 0;
  padding: 0 18px;
  font-size: 0.88rem;
  white-space: nowrap;
  background: #052b39;
  border-radius: 0;
}

.interest-section--overview .interest-form button:hover {
  background: #07394c;
}

.interest-section--overview .interest-success {
  margin-top: 0;
}

@media (max-width: 768px) {
  .interest-section--overview {
    width: 100%;
    margin: 20px 0 28px;
    padding: 8px;
    border-left: 0;
    border-right: 0;
  }

  .interest-section--overview .interest-form {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.1fr) minmax(0, 1fr) auto;
    gap: 4px;
  }

  .interest-section--overview .interest-form input {
    height: 38px;
    padding: 0 6px;
    font-size: 0.78rem;
  }

  .interest-section--overview .interest-form input::placeholder {
    font-size: 0.78rem;
  }

  .interest-section--overview .interest-form button {
    min-width: 64px;
    padding: 0 7px;
    font-size: 0.76rem;
  }
}

/* 데스크탑: 이름·연락처·상담신청을 가로 한 줄로 */
@media (min-width: 769px) {
  .interest-section {
    max-width: 860px;
    width: min(860px, calc(100% - 48px));
  }

  .interest-desc {
    font-size: 1.9rem;
  }

  .interest-form {
    flex-direction: row;
    align-items: stretch;
  }

  .interest-form input {
    flex: 1 1 0;
    width: auto;
  }

  .interest-form button {
    flex: 0 0 auto;
    align-self: center;
    margin-top: 0;
    white-space: nowrap;
  }
}