/* ==========================================================================
   Reusable Components - Mobile-First & Touch-Optimized
   ========================================================================== */

/* ========================================
   Buttons - Mobile Touch Targets (44x44px min)
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  /* Mobile-first: larger padding for better touch targets */
  padding: var(--spacing-sm) var(--spacing-xl);
  min-height: var(--touch-target-min);  /* 44px minimum */
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  /* Improve tap response on mobile */
  -webkit-tap-highlight-color: transparent;
}

.btn--primary {
  background-color: var(--color-accent-primary);
  color: var(--color-white);
  border-color: var(--color-accent-primary);
}

.btn--primary:hover,
.btn--primary:focus {
  background-color: transparent;
  color: var(--color-accent-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-text-primary);
}

.btn--secondary:hover,
.btn--secondary:focus {
  background-color: var(--color-text-primary);
  color: var(--color-white);
}

.btn--secondary:active {
  transform: scale(0.98);
}

/* Disabled button state */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Focus state for accessibility */
.btn:focus-visible {
  outline: 3px solid var(--color-accent-primary);
  outline-offset: 2px;
}

/* ========================================
   Cards - Mobile-Optimized
   ======================================== */
.card {
  background-color: var(--color-white);
  border-radius: var(--border-radius-lg);
  /* Mobile-first: adequate padding for touch */
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
  height: 100%;
}

/* Tablet and up: larger padding */
@media (min-width: 768px) {
  .card {
    padding: var(--spacing-xl);
  }
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-md);
  color: var(--color-accent-primary);
  stroke-width: 2;
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.card__text {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
}

/* ========================================
   Form Elements - Mobile-Friendly
   ======================================== */
.form-group {
  margin-bottom: var(--spacing-sm);
}

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

.form-label .required {
  color: var(--color-accent-primary);
  margin-left: 2px;
}

/* Form inputs with mobile-friendly touch targets */
.form-input,
.form-textarea {
  width: 100%;
  /* Mobile: compact padding for one-viewport contact form */
  padding: 10px var(--spacing-xs);
  min-height: 38px;  /* Reduced from 44px for more compact form */
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);  /* 16px minimum to prevent zoom on iOS */
  color: var(--color-text-primary);
  background-color: transparent;
  border: none;
  border-bottom: 2px solid var(--color-border);
  border-radius: 0;
  transition: border-color var(--transition-base);
  /* Improve mobile input experience */
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-bottom-color: var(--color-accent-primary);
  border-bottom-width: 3px;
}

.form-input.error,
.form-textarea.error {
  border-bottom-color: var(--color-error);
}

.form-error {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: #e74c3c;
  line-height: var(--line-height-normal);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
  padding-top: 10px;
  padding-bottom: 10px;
  line-height: var(--line-height-relaxed);
}

/* Success message */
.form-success {
  padding: var(--spacing-md);
  margin-top: var(--spacing-lg);
  background-color: var(--color-success);
  border: 1px solid var(--color-success-border);
  border-radius: var(--border-radius-md);
  color: var(--color-success-text);
  text-align: center;
  line-height: var(--line-height-normal);
}

.form-loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Select dropdown - mobile optimized */
select.form-input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23222222' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-sm) center;
  padding-right: var(--spacing-xl);
  cursor: pointer;
}

/* Checkbox and Radio - larger touch targets */
input[type="checkbox"],
input[type="radio"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
}

/* Checkbox Group for Forms */
.form-checkbox-group {
  margin-bottom: var(--spacing-lg);
}

.form-checkbox-label {
  display: flex;
  align-items: flex-start;
  cursor: pointer;
  line-height: var(--line-height-relaxed);
  gap: var(--spacing-xs);
}

.form-checkbox {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
  border: 2px solid #CCCCCC;
  border-radius: 3px;
  transition: all var(--transition-base);
}

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

.form-checkbox:focus {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

.form-checkbox.error {
  border-color: #e74c3c;
}

.form-checkbox-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  line-height: var(--line-height-relaxed);
}

.form-checkbox-text a {
  color: var(--color-accent-primary);
  text-decoration: underline;
  margin-left: 4px;
}

.form-checkbox-text a:hover {
  text-decoration: none;
}

/* Checkbox required asterisk - positioned next to checkbox */
.checkbox-required {
    color: var(--color-accent-primary);
    margin-right: var(--spacing-xs);
    vertical-align: super;
    font-size: 0.9em;
}

/* Contact form submit button - centered */
.section--contact form button[type="submit"] {
  display: block;
  margin: var(--spacing-sm) auto 0;
}

/* Privacy notice text styling */
.form-privacy-notice {
  max-width: 600px;
  margin: var(--spacing-sm) auto 0;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  text-align: center;
}

/* ========================================
   Language Switcher - Touch-Optimized
   ======================================== */
.lang-btn {
  /* Mobile-first: adequate touch target */
  padding: var(--spacing-xs) var(--spacing-sm);
  min-width: var(--touch-target-min);
  min-height: var(--touch-target-min);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background-color: transparent;
  border: 2px solid transparent;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
  /* Improve tap response */
  -webkit-tap-highlight-color: transparent;
}

.lang-btn:hover {
  color: var(--color-accent-primary);
  background-color: rgba(0, 166, 147, 0.05);
}

.lang-btn--active {
  color: var(--color-accent-primary);
  border-color: var(--color-accent-primary);
  background-color: rgba(0, 166, 147, 0.05);
}

.lang-btn:focus-visible {
  outline: 2px solid var(--color-accent-primary);
  outline-offset: 2px;
}

/* ========================================
   Loading Spinner
   ======================================== */
.loading-spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid rgba(0, 166, 147, 0.2);
  border-radius: 50%;
  border-top-color: var(--color-accent-primary);
  animation: spin 0.8s linear infinite;
}

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

/* ========================================
   Badge Component
   ======================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-accent-primary);
  color: var(--color-white);
}

/* ========================================
   Utility Classes
   ======================================== */
/* Hidden honeypot field */
.hidden {
  display: none !important;
}

/* Visually hidden but accessible to screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ========================================
   Mobile-Specific Enhancements
   ======================================== */
@media (max-width: 639px) {
  /* Increase touch target sizes on very small screens */
  .btn {
    padding: var(--spacing-md) var(--spacing-xl);
  }
  
  /* Full-width buttons on mobile for easier tapping */
  .btn--full-mobile {
    width: 100%;
  }
  
  /* Stack form buttons vertically on mobile */
  .form-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .form-actions .btn {
    width: 100%;
  }
}

/* ========================================
   Desktop Enhancements
   ======================================== */
@media (min-width: 768px) {
  /* Horizontal form button layout on desktop */
  .form-actions {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
    justify-content: flex-start;
  }
  
  .form-actions .btn {
    width: auto;
  }
}