:root{
  --brand: #841643;
  --brand-dark: #5e0f30;
  --text-dark: #2b2b2b;
  --gray-border: #d8d0d3;
  --gray-bg: #f7f2f4;
  --error: #b3261e;
  --error-bg: #fff2f1;
  --success: #1b7a3d;
  --success-bg: #e8f7ee;
}

*, *::before, *::after{
  box-sizing: border-box;
}

html, body{
  margin: 0;
  padding: 0;
}

body{
  font-family: 'Open Sans', Arial, sans-serif;
  background-color: var(--brand);
  color: var(--text-dark);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

header{
  width: 100%;
  max-width: 1600px;
  margin: 0 auto;
}

header img{
  display: block;
  width: 100%;
  height: auto;
}

main{
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 24px 16px 48px;
}

.form-card{
  background: #ffffff;
  width: 100%;
  max-width: 640px;
  border-radius: 12px;
  padding: 32px 28px 36px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.form-card h1{
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--brand);
  margin: 0 0 6px;
  text-align: center;
}

.form-card .subtitle{
  text-align: center;
  color: #6b6b6b;
  font-size: 0.9rem;
  margin: 0 0 28px;
}

.field{
  margin-bottom: 20px;
}

.field label{
  display: block;
  font-weight: 600;
  font-size: 0.92rem;
  margin-bottom: 6px;
  color: var(--text-dark);
}

.field .required{
  color: var(--brand);
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field textarea{
  width: 100%;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 0.95rem;
  border: 1.5px solid var(--gray-border);
  border-radius: 8px;
  background-color: var(--gray-bg);
  color: var(--text-dark);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.field input[type="text"]:focus,
.field input[type="email"]:focus,
.field input[type="tel"]:focus,
.field textarea:focus{
  outline: none;
  border-color: var(--brand);
  background-color: #ffffff;
}

.field input[type="text"]::placeholder,
.field input[type="email"]::placeholder,
.field input[type="tel"]::placeholder,
.field textarea::placeholder{
  color: #a89ba1;
}

.field textarea{
  resize: vertical;
  min-height: 90px;
}

.field.has-error input[type="text"],
.field.has-error input[type="email"],
.field.has-error input[type="tel"],
.field.has-error textarea,
.field.has-error .toggle-option label{
  border-color: var(--error);
  background-color: var(--error-bg);
}

.error-message{
  color: var(--error);
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  margin-top: 6px;
}

.row-two{
  display: flex;
  gap: 16px;
}

.row-two .field{
  flex: 1;
  min-width: 0;
}

.toggle-group{
  display: flex;
  gap: 10px;
}

.toggle-option{
  flex: 1;
}

.toggle-option input[type="radio"]{
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-option label{
  display: block;
  text-align: center;
  padding: 10px 12px;
  border: 1.5px solid var(--gray-border);
  border-radius: 8px;
  background-color: var(--gray-bg);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  margin: 0;
  transition: all 0.15s ease;
  user-select: none;
}

.toggle-option input[type="radio"]:checked + label{
  background-color: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
}

.toggle-option input[type="radio"]:focus-visible + label{
  outline: 2px solid var(--brand-dark);
  outline-offset: 2px;
}

.conditional-field{
  margin-top: 14px;
  display: none;
}

.conditional-field.show{
  display: block;
}

.submit-btn{
  width: 100%;
  padding: 14px;
  background-color: var(--brand);
  color: #ffffff;
  font-family: inherit;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin-top: 8px;
  transition: background-color 0.15s ease;
}

.submit-btn:hover{
  background-color: var(--brand-dark);
}

.success-message,
.error-summary{
  text-align: center;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
  font-weight: 600;
  font-size: 0.95rem;
}

.success-message{
  background-color: var(--success-bg);
  color: var(--success);
  border: 1.5px solid #b6e5c6;
}

.error-summary{
  background-color: var(--error-bg);
  color: var(--error);
  border: 1.5px solid #f0b8b2;
}

.received-card{
  padding: 36px 28px 40px;
  text-align: center;
}

.status-icon{
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--success-bg);
  border: 1.5px solid #b6e5c6;
  margin: 0 auto 18px;
  position: relative;
}

.status-icon::after{
  content: "";
  position: absolute;
  width: 24px;
  height: 12px;
  border-left: 4px solid var(--success);
  border-bottom: 4px solid var(--success);
  transform: rotate(-45deg);
  left: 16px;
  top: 18px;
}

.received-card h1{
  margin-bottom: 8px;
}

.received-card .subtitle{
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0 auto;
  max-width: 440px;
}

.message-box{
  background-color: var(--gray-bg);
  border: 1.5px solid var(--gray-border);
  border-radius: 8px;
  color: var(--text-dark);
  font-size: 0.95rem;
  font-weight: 600;
  margin-top: 24px;
  padding: 16px;
}

@media (max-width: 480px){
  .form-card{
    padding: 24px 18px 28px;
    border-radius: 0;
  }

  .received-card{
    padding: 30px 18px 34px;
  }

  main{
    padding: 0 0 32px;
  }

  .row-two{
    flex-direction: column;
    gap: 0;
  }

  .form-card h1{
    font-size: 1.3rem;
  }
}