/* ============================================
   COMPONENTS
   Buttons, Cards, Forms, and other reusable components
   ============================================ */

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-accent);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  line-height: 1;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--duration-normal) var(--ease-out-expo);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary-600);
  outline-offset: 4px;
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-600));
  color: white;
  box-shadow: var(--shadow-md);
}

a.btn-primary:link,
a.btn-primary:visited {
  color: white;
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  background: white;
  color: var(--color-primary-700);
  border-color: var(--color-primary-600);
}

a.btn-primary:hover {
  color: var(--color-primary-700);
  text-decoration: none;
}

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

/* Secondary Button */
.btn-secondary {
  background: transparent;
  border-color: var(--color-primary-700);
  color: var(--color-primary-700);
}

a.btn-secondary:link,
a.btn-secondary:visited {
  color: var(--color-primary-700);
  text-decoration: none;
}

.btn-secondary:hover {
  background: var(--color-primary-700);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

a.btn-secondary:hover {
  color: white;
  text-decoration: none;
}

/* Accent Button (Gold) */
.btn-accent {
  background: linear-gradient(135deg, var(--color-accent-gold), var(--color-accent-gold-light));
  color: white;
  box-shadow: var(--shadow-md);
}

a.btn-accent:link,
a.btn-accent:visited {
  color: white;
  text-decoration: none;
}

.btn-accent:hover {
  background: white;
  color: var(--color-accent-gold-dark);
  border-color: var(--color-accent-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

a.btn-accent:hover {
  color: var(--color-accent-gold-dark);
  text-decoration: none;
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--color-neutral-700);
  border: 2px solid var(--color-neutral-300);
}

a.btn-ghost:link,
a.btn-ghost:visited {
  color: var(--color-neutral-700);
  text-decoration: none;
}

.btn-ghost:hover {
  background: var(--color-neutral-100);
  color: var(--color-primary-700);
}

a.btn-ghost:hover {
  color: var(--color-primary-700);
  text-decoration: none;
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

.btn-block {
  width: 100%;
}

/* Button with Icon */
.btn-icon {
  padding: var(--space-3);
  aspect-ratio: 1;
}

/* Disabled Button */
.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Mobile: aumenta touch target per accessibilità */
@media (max-width: 768px) {
  .btn {
    padding: var(--space-4) var(--space-5);
    min-height: 44px;
  }
}

/* ============================================
   CARDS
   ============================================ */

.card {
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-left: 4px solid transparent;
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-glass);
  transition: all var(--duration-slow) var(--ease-out-expo);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-2xl);
  border-color: rgba(255, 255, 255, 0.3);
  border-left-color: var(--color-primary-600);
}

/* Card in Grid - flex layout per allineamento */
.grid-2 > .card,
.grid-3 > .card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.grid-2 > .card > h4,
.grid-3 > .card > h4 {
  min-height: 2em;
  display: flex;
  align-items: center;
}

/* Card Header */
.card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary-100), var(--color-primary-200));
  border-radius: var(--radius-md);
  color: var(--color-primary-700);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.card__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-neutral-900);
  margin: 0;
}

/* Card Body */
.card__body {
  color: var(--color-neutral-700);
  line-height: var(--leading-relaxed);
}

/* Card Footer */
.card__footer {
  margin-top: var(--space-5);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-neutral-200);
}

/* CTA Card */
.cta-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  padding: var(--space-8);
}

.cta-card__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
  padding-bottom: var(--space-4);
  border-bottom: 2px solid var(--color-primary-100);
}

.cta-card__header h3 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-neutral-900);
  margin: 0;
  text-align: center;
}

.cta-card__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 1rem;
  background: linear-gradient(135deg, var(--color-primary-100), var(--color-primary-200));
  color: var(--color-primary-700);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  letter-spacing: 0.02em;
}

.cta-card__badge::before {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232e8bc0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 10c0 6-8 12-8 12s-8-6-8-12a8 8 0 0 1 16 0Z'/%3E%3Ccircle cx='12' cy='10' r='3'/%3E%3C/svg%3E") no-repeat center;
  background-size: contain;
}

.cta-card__info {
  display: flex;
  justify-content: center;
  align-items: center;
}

.cta-card__phone {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: var(--space-3) var(--space-4);
  background: var(--color-neutral-50);
  border: 2px solid var(--color-neutral-100);
  border-radius: var(--radius-lg);
  color: var(--color-primary-600);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
}

.cta-card__phone:hover {
  background: var(--color-primary-50);
  border-color: var(--color-primary-300);
  color: var(--color-primary-700);
  transform: translateY(-2px);
}

.cta-card__phone svg {
  flex-shrink: 0;
}

.cta-card .btn {
  margin-top: auto;
}

/* Mobile: riduci padding CTA cards */
@media (max-width: 768px) {
  .cta-card {
    padding: var(--space-6);
  }
}

@media (max-width: 480px) {
  .cta-card {
    padding: var(--space-4);
  }
}

/* Expertise Card (Chi Sono page) */
.expertise-card {
  text-align: center;
}

.expertise-card__icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border: 3px solid var(--color-primary-600);
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 12px rgba(46, 139, 192, 0.15);
  color: var(--color-primary-600);
  transition: all var(--duration-normal) var(--ease-out-expo);
  padding: 0;
  overflow: hidden;
  position: relative;
}

.expertise-card:hover .expertise-card__icon {
  transform: scale(1.05);
  border-color: var(--color-primary-700);
  box-shadow: 0 8px 24px rgba(46, 139, 192, 0.25);
  color: var(--color-primary-700);
}

.expertise-card:hover .expertise-card__icon img,
.expertise-card:hover .expertise-card__icon svg {
  transform: scale(1.03);
}

.expertise-card__icon img,
.expertise-card__icon svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.expertise-card h3 {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  color: var(--color-neutral-900);
  margin-bottom: var(--space-3);
}

.expertise-card p {
  color: var(--color-neutral-700);
  line-height: var(--leading-relaxed);
}

/* ============================================
   FORMS
   ============================================ */

/* Form Group */
.form-group {
  margin-bottom: var(--space-5);
}

/* Form Label */
.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  color: var(--color-neutral-700);
}

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

/* Form Input */
.form-input {
  width: 100%;
  padding: var(--space-3);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-neutral-900);
  background-color: white;
  border: 2px solid var(--color-neutral-200);
  border-radius: var(--radius-md);
  transition: all var(--duration-normal) var(--ease-out);
}

.form-input::placeholder {
  color: var(--color-neutral-400);
}

.form-input:hover {
  border-color: var(--color-neutral-300);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary-600);
  box-shadow: 0 0 0 3px rgba(46, 139, 192, 0.1);
}

/* Textarea */
textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

/* Input States */
.form-input.error {
  border-color: var(--color-error);
}

.form-input.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

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

.form-input:disabled {
  background-color: var(--color-neutral-100);
  cursor: not-allowed;
  opacity: 0.6;
}

/* Form Error Message */
.form-error {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-error);
}

/* Form Success Message */
.form-success {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-success);
}

/* Form Help Text */
.form-help {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-neutral-600);
}

/* Select */
select.form-input {
  appearance: none;
  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='%23666' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-neutral-300);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.form-check input[type="radio"] {
  border-radius: var(--radius-full);
}

.form-check label {
  cursor: pointer;
  user-select: none;
}

/* Mobile: riduci padding form inputs per ottimizzare spazio */
@media (max-width: 640px) {
  .form-input,
  .form-label {
    padding: var(--space-2);
  }
}

/* ============================================
   BADGES & TAGS
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--color-primary-100);
  color: var(--color-primary-700);
}

.badge-success {
  background-color: #d1fae5;
  color: #065f46;
}

.badge-error {
  background-color: #fee2e2;
  color: #991b1b;
}

.badge-warning {
  background-color: #fef3c7;
  color: #92400e;
}

/* Tag (clickable badge) */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  background-color: var(--color-neutral-100);
  color: var(--color-neutral-700);
  border: 1px solid var(--color-neutral-200);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-out);
  cursor: pointer;
}

.tag:hover {
  background-color: var(--color-primary-700);
  color: white;
  border-color: var(--color-primary-700);
}

/* ============================================
   ALERT / NOTIFICATION
   ============================================ */

.alert {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  margin-bottom: var(--space-4);
}

.alert-info {
  background-color: #dbeafe;
  border-color: #3b82f6;
  color: #1e40af;
}

.alert-success {
  background-color: #d1fae5;
  border-color: #10b981;
  color: #065f46;
}

.alert-warning {
  background-color: #fef3c7;
  border-color: #f59e0b;
  color: #92400e;
}

.alert-error {
  background-color: #fee2e2;
  border-color: #ef4444;
  color: #991b1b;
}

/* ============================================
   DIVIDER
   ============================================ */

.divider {
  height: 1px;
  background-color: var(--color-neutral-200);
  margin: var(--space-8) 0;
}

.divider-text {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: var(--space-8) 0;
  color: var(--color-neutral-600);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}

.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-neutral-200);
}

/* ============================================
   LOADING SPINNER
   ============================================ */

.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-neutral-200);
  border-top-color: var(--color-primary-600);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
}

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

.spinner-lg {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

/* ============================================
   ICON CONTAINERS
   ============================================ */

.icon-container {
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border: 3px solid var(--color-primary-600);
  border-radius: var(--radius-xl);
  box-shadow: 0 4px 12px rgba(46, 139, 192, 0.15);
  color: var(--color-primary-600);
  transition: all var(--duration-normal) var(--ease-out-expo);
  padding: 0;
  overflow: hidden;
  position: relative;
}

.icon-container:hover {
  transform: scale(1.05);
  border-color: var(--color-primary-700);
  box-shadow: 0 8px 24px rgba(46, 139, 192, 0.25);
  color: var(--color-primary-700);
}

.icon-container:hover img,
.icon-container:hover svg {
  transform: scale(1.03);
}

.icon-container img,
.icon-container svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.icon-container--2xl {
  width: var(--icon-2xl);
  height: var(--icon-2xl);
  margin-bottom: var(--space-4);
}

/* ============================================
   CTA SECTION
   ============================================ */

.section-cta {
  background: linear-gradient(135deg, var(--color-primary-700), var(--color-primary-600));
  color: white;
  text-align: center;
}

.section-cta .section-title {
  color: white;
}

.section-cta .section-subtitle {
  color: var(--glass-white-90);
}