/* About Section */
.about {
  background-color: var(--white);
}

.about-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.about-text {
  margin-bottom: var(--spacing-3xl);
}

.about-text p {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-loose);
  margin-bottom: var(--spacing-xl);
  color: var(--text-light);
}

.about-text p strong {
  color: var(--primary-color);
  font-weight: var(--font-weight-bold);
}

.about-text p:first-child strong {
  color: var(--text-dark);
  font-size: var(--font-size-xl);
}

.about-link {
  color: var(--primary-color);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-base);
}

.about-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary-color);
  transform: scaleX(1);
  transition: transform var(--transition-base);
}

.about-link:hover {
  color: var(--primary-dark);
}

.about-link:hover::after {
  transform: scaleX(0);
  transform-origin: right;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-3xl);
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-light);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Skills Section */
.skills {
  background-color: var(--accent-color);
}

[data-theme="dark"] .skills {
  background-color: var(--accent-color);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.skill-item {
  background-color: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  border: 2px solid transparent;
}

.skill-item:hover {
  transform: translateY(-8px) rotate(2deg);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.skill-item.featured {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
}

.skill-item.featured .skill-name {
  color: var(--white);
}

.skill-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-md);
  display: block;
}

.skill-name {
  font-weight: var(--font-weight-semibold);
  color: var(--text-dark);
  font-size: var(--font-size-base);
}

.skill-badge {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--warning);
  color: var(--white);
  font-size: var(--font-size-sm);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

/* Services Section */
.services {
  background-color: var(--white);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-2xl);
}

.service-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.service-card {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.service-card-arrow {
  margin-top: auto;
  padding-top: var(--spacing-lg);
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-base);
  transition: transform var(--transition-base);
}

.service-card-link:hover .service-card-arrow {
  transform: translateX(5px);
}

.service-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
  display: block;
}

.service-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
}

.service-description {
  color: var(--text-light);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-loose);
}

.service-features {
  list-style: none;
}

.service-features li {
  padding: var(--spacing-sm) 0;
  color: var(--text-light);
  position: relative;
  padding-left: var(--spacing-lg);
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: var(--font-weight-bold);
}

/* Super Offer Section */
.super-offer {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .super-offer {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
}

.super-offer::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(74, 155, 155, 0.1) 0%, transparent 70%);
  animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.super-offer-content {
  position: relative;
  z-index: 1;
  text-align: center;
}

.offer-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: var(--white);
  padding: var(--spacing-sm) var(--spacing-xl);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-xl);
  box-shadow: 0 4px 15px rgba(74, 155, 155, 0.4);
  animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

.badge-icon {
  font-size: var(--font-size-lg);
  animation: rotate 3s linear infinite;
}

@keyframes rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.offer-title {
  font-size: 2.5rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .super-offer .offer-title {
  color: var(--text-dark) !important;
  text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.offer-subtitle {
  font-size: var(--font-size-xl);
  color: var(--text-light);
  margin-bottom: var(--spacing-3xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

[data-theme="dark"] .offer-subtitle {
  color: #a0aec0;
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-4xl);
}

.offer-card {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-base);
  border: 3px solid transparent;
  position: relative;
}

[data-theme="dark"] .offer-card {
  background-color: #2d3748;
  color: var(--white);
}

.offer-card.highlight {
  border-color: var(--primary-color);
  background: linear-gradient(135deg, #ffffff 0%, #f0fdfa 100%);
}

[data-theme="dark"] .offer-card.highlight {
  background: linear-gradient(135deg, #2d3748 0%, #1a3a3a 100%);
}

.offer-card.payment {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
  transform: scale(1.05);
  border: none;
}

.offer-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 40px rgba(74, 155, 155, 0.3);
}

.offer-card.payment:hover {
  transform: translateY(-10px) scale(1.07);
}

.card-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
  filter: drop-shadow(2px 2px 4px rgba(0, 0, 0, 0.2));
}

.offer-card h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  color: var(--text-dark);
}

[data-theme="dark"] .offer-card h3 {
  color: var(--white);
}

.offer-card.payment h3 {
  color: var(--white);
}

.price-tag {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: rgba(74, 155, 155, 0.1);
  border-radius: var(--radius-md);
}

.price-original {
  font-size: var(--font-size-lg);
  color: var(--text-light);
  text-decoration: line-through;
}

.price-free {
  font-size: 2rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--primary-color);
  text-transform: uppercase;
  letter-spacing: 2px;
  animation: glow 2s ease-in-out infinite;
}

@keyframes glow {
  0%, 100% { text-shadow: 0 0 10px rgba(74, 155, 155, 0.5); }
  50% { text-shadow: 0 0 20px rgba(74, 155, 155, 0.8); }
}

.offer-features {
  list-style: none;
  text-align: left;
  margin-bottom: var(--spacing-lg);
}

.offer-features li {
  padding: var(--spacing-sm) 0;
  color: var(--text-light);
  font-size: var(--font-size-base);
  line-height: var(--line-height-loose);
}

[data-theme="dark"] .offer-features li {
  color: #cbd5e0;
}

.offer-card.payment .offer-features li {
  color: rgba(255, 255, 255, 0.9);
}

.payment-info {
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
  color: rgba(255, 255, 255, 0.95);
  font-weight: var(--font-weight-medium);
}

.monthly-price {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 2px solid rgba(255, 255, 255, 0.3);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.price-label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.price-amount {
  font-size: 2.5rem;
  font-weight: var(--font-weight-extrabold);
  color: var(--white);
}

.offer-benefits {
  background-color: var(--white);
  padding: var(--spacing-3xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--spacing-4xl);
}

[data-theme="dark"] .offer-benefits {
  background-color: #2d3748;
}

.offer-benefits h3 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin-bottom: var(--spacing-2xl);
}


.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.benefit-item {
  text-align: center;
  padding: var(--spacing-lg);
  transition: all var(--transition-base);
  border-radius: var(--radius-md);
}

.benefit-item:hover {
  background-color: rgba(74, 155, 155, 0.05);
  transform: scale(1.05);
}

.benefit-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  display: block;
}

.benefit-item h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

[data-theme="dark"] .benefit-item h4 {
  color: var(--white);
}

.benefit-item p {
  font-size: var(--font-size-base);
  color: var(--text-light);
  line-height: var(--line-height-loose);
}

[data-theme="dark"] .benefit-item p {
  color: #cbd5e0;
}

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

.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: var(--white);
  padding: var(--spacing-xl) var(--spacing-3xl);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  text-decoration: none;
  box-shadow: 0 10px 30px rgba(74, 155, 155, 0.4);
  transition: all var(--transition-base);
  border: none;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-button:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 15px 40px rgba(74, 155, 155, 0.5);
}

.cta-button.pulse {
  animation: pulse-button 2s ease-in-out infinite;
}

@keyframes pulse-button {
  0%, 100% { box-shadow: 0 10px 30px rgba(74, 155, 155, 0.4); }
  50% { box-shadow: 0 15px 50px rgba(74, 155, 155, 0.6); }
}

.cta-note {
  margin-top: var(--spacing-lg);
  font-size: var(--font-size-lg);
  color: var(--primary-dark);
  font-weight: var(--font-weight-semibold);
}

[data-theme="dark"] .cta-note {
  color: var(--primary-color);
}

/* Portfolio Section */
.portfolio {
  background-color: var(--accent-color);
}

[data-theme="dark"] .portfolio {
  background-color: var(--accent-color);
}

/* Portfolio Hero (per pagina portfolio.php) */
.portfolio-hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  padding: var(--spacing-4xl) 0 var(--spacing-3xl);
  text-align: center;
  color: var(--white);
  margin-top: 70px;
}

.portfolio-hero-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-extrabold);
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.portfolio-hero-description {
  font-size: var(--font-size-lg);
  opacity: 0.95;
  max-width: 600px;
  margin: 0 auto;
}

/* Portfolio Filters */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-3xl);
  flex-wrap: wrap;
}

.filter-btn {
  background: none;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-base);
  font-size: var(--font-size-base);
}

.filter-btn.active,
.filter-btn:hover {
  background-color: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(74, 155, 155, 0.3);
}

/* Portfolio Grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-2xl);
}

/* Portfolio Item - Stile Moderno con info sempre visibili */
.portfolio-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 1;
  transform: scale(1);
  background: linear-gradient(to bottom, var(--white) 0%, #f8f9fa 100%);
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.portfolio-item.hidden {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 16px 32px rgba(74, 155, 155, 0.2);
  border-color: var(--primary-color);
}

/* Portfolio Image */
.portfolio-image {
  position: relative;
  overflow: hidden;
  height: 240px;
  flex-shrink: 0;
}

.portfolio-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 40px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.3), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-image::after {
  opacity: 1;
}

.portfolio-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  filter: brightness(0.95);
}

.portfolio-item:hover .portfolio-image img {
  transform: scale(1.08);
  filter: brightness(1);
}

/* Content sempre visibile sotto l'immagine */
.portfolio-content {
  padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  height: 60%;
  flex-grow: 1;
  background-color: var(--white);
}

.portfolio-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin: 0 0 var(--spacing-xs) 0;
  line-height: 1.3;
  transition: color 0.3s ease;
}

.portfolio-item:hover .portfolio-title {
  color: var(--primary-color);
}

.portfolio-description {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-light);
  margin: 0 0 var(--spacing-md) 0;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Overlay solo per hover effect opzionale */
.portfolio-overlay {
  display: none;
}

/* Tech Tags sempre visibili */
.portfolio-tech {
  display: flex;
  gap: 8px;
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
}

.tech-tag {
  background: linear-gradient(135deg, rgba(74, 155, 155, 0.1), rgba(74, 155, 155, 0.15));
  color: var(--primary-color);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.8rem;
  font-weight: var(--font-weight-semibold);
  border: 1px solid rgba(74, 155, 155, 0.3);
  transition: all 0.3s ease;
  letter-spacing: 0.3px;
}

.tech-tag:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(74, 155, 155, 0.25);
  border-color: var(--primary-color);
}

/* Portfolio Links */
.portfolio-links {
  display: flex;
  gap: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.portfolio-link {
  color: var(--white);
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  border: none;
  padding: 11px 22px;
  border-radius: 8px;
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  box-shadow: 0 2px 8px rgba(74, 155, 155, 0.2);
  position: relative;
  overflow: hidden;
}

.portfolio-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.portfolio-link:hover::before {
  left: 100%;
}

.portfolio-link::after {
  content: '→';
  transition: transform 0.3s ease;
  font-size: 1.1rem;
}

.portfolio-link:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(74, 155, 155, 0.35);
}

.portfolio-link:hover::after {
  transform: translateX(4px);
}

.portfolio-link:active {
  transform: translateY(-1px);
}

/* Portfolio CTA Button */
.portfolio-cta {
  text-align: center;
  margin-top: var(--spacing-4xl);
  padding-top: var(--spacing-3xl);
}

.portfolio-cta .btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  box-shadow: 0 4px 20px rgba(74, 155, 155, 0.3);
  transition: all var(--transition-base);
}

.portfolio-cta .btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(74, 155, 155, 0.4);
}

.btn-icon {
  font-size: var(--font-size-xl);
  transition: transform var(--transition-base);
}

.portfolio-cta .btn:hover .btn-icon {
  transform: translateX(8px);
}

/* Certifications Section */
.certifications {
  background-color: var(--white);
}

.certifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
}

.certification-card {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
  transition: all var(--transition-base);
  border: 2px solid transparent;
}

.certification-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.cert-logo {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
}

.cert-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
}

.cert-issuer {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
}

.cert-date {
  color: var(--primary-color);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-lg);
}

.cert-link {
  color: var(--primary-color);
  text-decoration: underline;
  font-weight: var(--font-weight-medium);
  transition: color var(--transition-fast);
}

.cert-link:hover {
  color: var(--primary-dark);
}

/* Contact Section */
.contact {
  background-color: var(--accent-color);
}

[data-theme="dark"] .contact {
  background-color: var(--accent-color);
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-4xl);
  align-items: start;
}

.contact-info h3 {
  margin-bottom: var(--spacing-xl);
  color: var(--text-dark);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  color: var(--text-light);
}

.contact-icon {
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.contact-item a {
  color: var(--primary-color);
  text-decoration: underline;
}

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

/* Form Styles */
.contact-form {
  background-color: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.form-group {
  position: relative;
  margin-bottom: var(--spacing-xl);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-sm);
  border: 2px solid #E2E8F0;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  background-color: var(--white);
  color: var(--text-dark);
  transition: all var(--transition-base);
  font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(74, 155, 155, 0.1);
}

.form-group label {
  position: absolute;
  top: var(--spacing-lg);
  left: var(--spacing-md);
  color: var(--text-light);
  font-size: var(--font-size-base);
  pointer-events: none;
  transition: all var(--transition-base);
  background-color: var(--white);
  padding: 0 var(--spacing-sm);
}

.form-group input:focus + label,
.form-group textarea:focus + label,
.form-group input:valid + label,
.form-group textarea:valid + label {
  top: -8px;
  font-size: var(--font-size-sm);
  color: var(--primary-color);
}

.form-group textarea {
  height: 120px;
  resize: vertical;
}

/* Footer */
.footer {
  background-color: var(--secondary-color);
  color: var(--white);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

[data-theme="dark"] .footer {
  /* background-color: var(--black); */
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  display: block;
}

.footer-brand p {
  color: #A0AEC0;
  max-width: 300px;
}

.footer-links h4,
.footer-social h4 {
  color: var(--white);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-base);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: #A0AEC0;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-color);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--white);
  text-decoration: none;
  transition: all var(--transition-base);
  font-size: var(--font-size-lg);
}

.social-links a:hover {
  background-color: var(--primary-color);
  transform: translateY(-2px);
}

.footer-bottom {
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-bottom p {
  color: #A0AEC0;
  margin: 0;
}

/* WhatsApp Floating Button */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  left: 25px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  animation: whatsapp-pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.15) rotate(5deg);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float:active {
  transform: scale(1.05);
}

.whatsapp-icon {
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Animazione pulsante */
@keyframes whatsapp-pulse {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4),
                0 0 0 0 rgba(37, 211, 102, 0.7);
  }
  50% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4),
                0 0 0 15px rgba(37, 211, 102, 0);
  }
}

/* Effetto di notifica */
.whatsapp-float::before {
  content: '';
  position: absolute;
  top: -5px;
  right: -5px;
  width: 18px;
  height: 18px;
  background-color: #FF3B30;
  border-radius: 50%;
  border: 3px solid white;
  animation: whatsapp-notification 1.5s ease-in-out infinite;
}

@keyframes whatsapp-notification {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.8;
  }
}

/* Tooltip al hover */
.whatsapp-float::after {
  content: 'Scrivimi su WhatsApp!';
  position: absolute;
  left: 75px;
  background-color: rgba(30, 30, 30, 0.95);
  color: white;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(-10px);
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  font-family: 'Inter', sans-serif;
}

.whatsapp-float:hover::after {
  opacity: 1;
  transform: translateX(0);
}

/* Freccia del tooltip */
.whatsapp-float:hover::after {
  content: 'Scrivimi su WhatsApp!';
}

/* Responsive */
@media (max-width: 768px) {
  .whatsapp-float {
    width: 55px;
    height: 55px;
    bottom: 20px;
    left: 20px;
  }

  .whatsapp-icon {
    width: 28px;
    height: 28px;
  }

  .whatsapp-float::after {
    display: none;
  }

  .whatsapp-float::before {
    width: 16px;
    height: 16px;
  }
}

@media (max-width: 480px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 15px;
    left: 15px;
  }

  .whatsapp-icon {
    width: 26px;
    height: 26px;
  }
}