.invest-hero {
  background: linear-gradient(135deg, #111 0%, #2b2b2b 65%, #d6001c 100%);
  color: white;
  padding: 85px 6%;
  text-align: center;
}

.invest-hero h1 {
  font-size: 50px;
  margin: 0 0 15px;
}

.invest-hero p {
  font-size: 21px;
  max-width: 760px;
  margin: 0 auto 30px;
  line-height: 1.5;
}

.invest-container {
  max-width: 950px;
  margin: -45px auto 70px;
  padding: 0 20px;
}

.invest-form-card {
  background: white;
  border-radius: 18px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.14);
  padding: 45px;
  margin-bottom: 30px;
  border-top: 6px solid #d6001c;
}

.invest-step-label {
  color: #d6001c;
  font-weight: 800;
  text-transform: uppercase;
  font-size: 14px;
  letter-spacing: 0.8px;
}

.invest-form-card h2 {
  margin-top: 8px;
  font-size: 30px;
  color: #111;
}

.invest-intro {
  font-size: 18px;
  color: #555;
  line-height: 1.6;
  margin-bottom: 30px;
}

.invest-progress-wrap {
  background: #e7e7e7;
  height: 8px;
  border-radius: 50px;
  overflow: hidden;
  margin: 20px 0 35px;
}

.invest-progress {
  height: 100%;
  background: #d6001c;
  width: 25%;
  transition: width 0.3s ease;
}

.invest-form-step {
  display: none;
}

.invest-form-step.active {
  display: block;
}

.invest-form-step label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
}

.invest-form-step input[type="text"],
.invest-form-step input[type="email"],
.invest-form-step input[type="tel"] {
  width: 100%;
  box-sizing: border-box;
  padding: 15px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 16px;
  margin-bottom: 20px;
}

.invest-option {
  display: block;
  border: 2px solid #e2e2e2;
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 14px;
  font-size: 17px;
  font-weight: 600;
  background: #fff;
  cursor: pointer;
  transition: 0.2s;
}

.invest-option:hover {
  border-color: #d6001c;
  background: #fff1f3;
}

.invest-option input {
  margin-right: 10px;
  accent-color: #d6001c;
  transform: scale(1.2);
}

.invest-option.checked {
  border-color: #d6001c;
  background: #fff0f0;
  color: #d6001c;
}

.invest-form-step .btn-row {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  margin-top: 30px;
}

.invest-btn {
  display: inline-block;
  background: #d6001c;
  color: white;
  padding: 16px 34px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.invest-btn:hover {
  background: #b80018;
}

.invest-btn.secondary {
  background: #666;
}

.invest-btn.secondary:hover {
  background: #555;
}

.invest-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.invest-success {
  text-align: center;
  padding: 60px 20px;
}

.invest-success h3 {
  font-size: 28px;
  color: #111;
  margin-bottom: 15px;
}

.invest-success p {
  font-size: 18px;
  color: #555;
}

.invest-math-guard {
  margin-top: 15px;
  padding: 15px;
  background: #f5f5f5;
  border-radius: 8px;
}

.invest-math-guard label {
  font-weight: 700;
  margin-bottom: 10px;
  display: block;
}

@media (max-width: 600px) {
  .invest-hero {
    padding: 60px 20px;
  }

  .invest-hero h1 {
    font-size: 36px;
  }

  .invest-hero p {
    font-size: 17px;
  }

  .invest-form-card {
    padding: 30px 20px;
  }

  .invest-form-card h2 {
    font-size: 24px;
  }

  .invest-option {
    font-size: 15px;
    padding: 14px 16px;
  }
}