/* ==========================================================================
   NEWSLETTER STYLES - Inscription newsletter
   ========================================================================== */

.newsletter-section {
  background: linear-gradient(135deg, var(--neutral-dark) 0%, #34495e 100%);
  color: white;
  position: relative;
}

.newsletter-container {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.newsletter-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.newsletter-subtitle {
  font-size: 1.2rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-xl);
  line-height: 1.6;
}

.newsletter-form {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
}

.input-group-custom {
  position: relative;
  margin-bottom: var(--spacing-md);
}

.email-input {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.1);
  color: white;
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-normal);
}

.email-input::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.email-input:focus {
  outline: none;
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 0 0 4px rgba(255, 230, 109, 0.2);
}

.email-input.valid {
  border-color: var(--success);
  background: rgba(81, 207, 102, 0.1);
}

.email-input.invalid {
  border-color: var(--danger);
  background: rgba(255, 135, 135, 0.1);
}

.input-icon {
  position: absolute;
  right: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 1.2rem;
  transition: all var(--transition-fast);
}

.input-icon.valid {
  color: var(--success);
}

.input-icon.invalid {
  color: var(--danger);
}

.submit-btn {
  background: linear-gradient(135deg, var(--accent), #FFE066);
  border: none;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-lg);
  color: var(--neutral-dark);
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 1.1rem;
  width: 100%;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.submit-btn:hover:not(:disabled) {
  background: linear-gradient(135deg, #FFDC3A, var(--accent));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-text {
  transition: opacity var(--transition-fast);
}

.btn-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid var(--neutral-dark);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.submit-btn.loading .btn-text {
  opacity: 0;
}

.submit-btn.loading .btn-spinner {
  opacity: 1;
}

/* Checkbox RGPD */
.consent-group {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.consent-checkbox {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
  flex-shrink: 0;
  margin-top: 2px;
}

.consent-checkbox:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.consent-checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--neutral-dark);
  font-weight: bold;
  font-size: 12px;
}

.consent-label {
  font-size: 0.9rem;
  line-height: 1.4;
  opacity: 0.9;
  cursor: pointer;
}

.consent-link {
  color: var(--accent);
  text-decoration: underline;
  transition: opacity var(--transition-fast);
}

.consent-link:hover {
  opacity: 0.8;
  color: var(--accent);
}

/* Messages de feedback */
.feedback-message {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  font-family: var(--font-accent);
  font-weight: 500;
  text-align: center;
  opacity: 0;
  transform: translateY(10px);
  transition: all var(--transition-normal);
}

.feedback-message.show {
  opacity: 1;
  transform: translateY(0);
}

.feedback-success {
  background: rgba(81, 207, 102, 0.2);
  border: 1px solid rgba(81, 207, 102, 0.5);
  color: var(--success);
}

.feedback-error {
  background: rgba(255, 135, 135, 0.2);
  border: 1px solid rgba(255, 135, 135, 0.5);
  color: var(--danger);
}

/* Social proof */
.social-proof {
  margin-top: var(--spacing-xl);
  text-align: center;
}

.subscribers-count {
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 2rem;
  color: var(--accent);
  display: block;
  margin-bottom: var(--spacing-xs);
}

.subscribers-label {
  opacity: 0.8;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  .newsletter-form {
    padding: var(--spacing-lg);
    margin: 0 var(--spacing-md);
  }
  
  .newsletter-title {
    font-size: 2rem;
  }
  
  .newsletter-subtitle {
    font-size: 1.1rem;
  }
}

@media (max-width: 576px) {
  .newsletter-title {
    font-size: 1.8rem;
  }
  
  .email-input {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .submit-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
  }
}