/* ===========================================
   VENA - Estilos Principais
   Diagnóstico Gratuito de Segurança e LGPD
   =========================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@500;600;700&display=swap');
@import 'variables.css';

/* Reset e Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text);
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-family-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Header */
.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header__content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  height: 36px;
}

.header__badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--card-bg-light, #EFF6FF);
  color: var(--primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

.hero__title {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
  color: white;
}

.hero__subtitle {
  font-size: var(--font-size-xl);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

/* Form Section */
.form-section {
  padding: var(--spacing-3xl) 0;
}

.form-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-2xl);
  max-width: 800px;
  margin: 0 auto;
}

/* Form Step Content Animation */
.form-step-content {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateX(10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Form Steps */
.form-steps {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.form-step {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--text-muted);
  font-weight: 500;
}

.form-step--active {
  color: var(--primary);
}

.form-step--completed {
  color: var(--success);
}

.form-step__number {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
}

.form-step--active .form-step__number {
  background: var(--primary);
  color: white;
}

.form-step--completed .form-step__number {
  background: var(--success);
  color: white;
}

/* Form Fields */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
  color: var(--text);
}

.form-label--required::after {
  content: ' *';
  color: var(--danger);
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-input--error {
  border-color: var(--danger);
}

.form-error {
  color: var(--danger);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

/* Question Cards */
.question-card {
  background: var(--card-bg-light, #EFF6FF);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.4s ease forwards;
}

.question-card:nth-child(1) { animation-delay: 0s; }
.question-card:nth-child(2) { animation-delay: 0.05s; }
.question-card:nth-child(3) { animation-delay: 0.1s; }
.question-card:nth-child(4) { animation-delay: 0.15s; }
.question-card:nth-child(5) { animation-delay: 0.2s; }
.question-card:nth-child(6) { animation-delay: 0.25s; }
.question-card:nth-child(7) { animation-delay: 0.3s; }
.question-card:nth-child(8) { animation-delay: 0.35s; }
.question-card:nth-child(9) { animation-delay: 0.4s; }
.question-card:nth-child(10) { animation-delay: 0.45s; }
.question-card:nth-child(11) { animation-delay: 0.5s; }
.question-card:nth-child(12) { animation-delay: 0.55s; }
.question-card:nth-child(13) { animation-delay: 0.6s; }
.question-card:nth-child(14) { animation-delay: 0.65s; }

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.question-card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.question-card__category {
  font-size: var(--font-size-sm);
  color: var(--primary);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

/* Radio Options */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.radio-option {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.radio-option:hover {
  border-color: var(--primary-light);
  background: rgba(59, 130, 246, 0.02);
}

.radio-option--selected {
  border-color: var(--primary);
  background: rgba(59, 130, 246, 0.08);
  transform: scale(1.01);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.15);
}

.radio-option input[type="radio"] {
  margin-top: 2px;
  accent-color: var(--primary);
}

.radio-option__text {
  flex: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border: none;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn--primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 14px 0 rgba(59, 130, 246, 0.39);
  transition: all var(--transition-fast);
}

.btn--primary:hover {
  background: var(--gradient-primary-hover);
  box-shadow: 0 6px 20px 0 rgba(59, 130, 246, 0.5);
  transform: translateY(-1px);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 10px 0 rgba(59, 130, 246, 0.3);
}

.btn--secondary {
  background: var(--background);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn--secondary:hover {
  background: var(--background-alt);
}

.btn--full {
  width: 100%;
}

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

/* Form Navigation */
.form-nav {
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-md);
  margin-top: var(--spacing-2xl);
}

/* Progress Bar */
.progress-bar {
  height: 8px;
  background: var(--border);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
}

.progress-bar__fill {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

/* Loading State */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3xl);
  text-align: center;
}

.loading__spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading__text {
  margin-top: var(--spacing-lg);
  color: var(--text-light);
}

/* Success State */
.success-message {
  text-align: center;
  padding: var(--spacing-2xl);
}

.success-message__icon {
  width: 80px;
  height: 80px;
  background: var(--success-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-lg);
}

.success-message__icon svg {
  width: 40px;
  height: 40px;
  color: var(--success-dark);
}

/* Footer */
.footer {
  background: var(--text);
  color: white;
  padding: var(--spacing-2xl) 0;
  text-align: center;
}

.footer__logo {
  height: 40px;
  margin-bottom: var(--spacing-md);
}

.footer__text {
  opacity: 0.8;
  font-size: var(--font-size-sm);
}

/* Responsive */
@media (max-width: 768px) {
  .hero__title {
    font-size: var(--font-size-3xl);
  }

  .hero__subtitle {
    font-size: var(--font-size-lg);
  }

  .form-card {
    padding: var(--spacing-lg);
    margin: 0 var(--spacing-md);
  }

  .form-steps {
    flex-direction: column;
    align-items: center;
  }

  .form-nav {
    flex-direction: column;
  }

  .btn--full-mobile {
    width: 100%;
  }
}

/* Utilities */
.hidden {
  display: none !important;
}

.text-center {
  text-align: center;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }