.container {
  width: min(100%, 850px);
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.92);
  padding: 35px;
  border-radius: 24px;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(75, 79, 143, 0.12);
  border: 1px solid rgba(255,255,255,0.8);
}

.container h2 {
  text-align: center;
  color: var(--heading-color);
  font-weight: 800;
  margin-bottom: 20px;
}

form h3 {
  color: var(--heading-color);
  font-size: 1.3rem;
  margin: 24px 0 12px;
  text-align: left;
}

label {
  font-weight: 600;
  display: block;
  margin: 14px 0 6px;
  color: var(--text-dark);
}

input,
select,
textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid rgba(75, 79, 143, 0.16);
  border-radius: 12px;
  box-sizing: border-box;
  margin-bottom: 15px;
  transition: all 0.3s ease;
  background: rgba(255,255,255,0.96);
  color: var(--text-dark);
  font-size: 1rem;
  box-shadow: 0 4px 12px rgba(75, 79, 143, 0.05);
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue-main);
  outline: none;
  box-shadow: 0 0 0 4px rgba(142, 166, 255, 0.18);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.col-half {
  flex: 1 1 48%;
}

.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 10px 0 12px;
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  background: rgba(241, 244, 255, 0.8);
  padding: 10px 14px;
  border-radius: 999px;
  font-weight: 500;
}

.checkbox-group input[type="checkbox"] {
  width: auto;
  margin: 0;
  box-shadow: none;
}

.submit-btn {
  display: inline-block;
  background: linear-gradient(135deg, #f6b1c3, #d9ccff, #8ea6ff);
  color: #1a2240;
  border: none;
  padding: 14px 30px;
  font-size: 16px;
  border-radius: 999px;
  cursor: pointer;
  display: block;
  margin: 25px auto 0;
  font-weight: 700;
  transition: all 0.3s ease;
  box-shadow: 0 10px 24px rgba(75, 79, 143, 0.16);
}

.submit-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 14px 28px rgba(75, 79, 143, 0.22);
}

@media (max-width: 768px) {
  .container {
    padding: 24px 18px;
    border-radius: 20px;
  }

  .row {
    gap: 12px;
  }

  .col-half {
    flex: 1 1 100%;
  }

  .checkbox-group {
    flex-direction: column;
    gap: 10px;
  }

  .checkbox-group label {
    width: 100%;
    border-radius: 14px;
  }
}