@import url('variables.css');

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--color-accent);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

ul {
  list-style: none;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
  line-height: 1.2;
}

.text-muted {
  color: var(--color-text-muted);
}

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Layout Sections --- */
section {
  padding: var(--section-padding);
  position: relative;
}

.section-bg {
  background-color: var(--color-bg-white);
}

.section-title {
  text-align: center;
  margin-bottom: 60px;
}

.section-title h2 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: var(--radius-sm);
}

.section-title p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* --- Header / Navigation --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: rgba(248, 246, 240, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(26, 53, 35, 0.05);
  transition: var(--transition-normal);
}

.header.scrolled {
  background-color: rgba(248, 246, 240, 0.98);
  box-shadow: var(--shadow-sm);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  transition: var(--transition-normal);
}

.header.scrolled .navbar {
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo img {
  height: 40px;
  width: auto;
}

.logo span {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-primary);
  position: relative;
  padding: 6px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.mobile-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-size: 2rem;
  color: var(--color-primary);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  line-height: 1;
  overflow: visible;
}

/* --- Hero Section --- */
.hero {
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  position: relative;
  background-color: var(--color-primary);
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  filter: brightness(0.8);
}

.hero-content {
  position: relative;
  z-index: 10;
  color: var(--color-bg-light);
  max-width: 650px;
  padding: 40px;
  background: rgba(26, 53, 35, 0.45);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-glass);
}

.hero-content h1 {
  color: var(--color-bg-light);
  font-size: 3.5rem;
  margin-bottom: 16px;
  font-weight: 700;
}

.hero-tagline {
  font-size: 1.5rem;
  margin-bottom: 24px;
  font-weight: 500;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-description {
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 32px;
  opacity: 0.9;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 32px;
  font-weight: 600;
  border-radius: var(--radius-round);
  transition: var(--transition-normal);
  cursor: pointer;
  border: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: #dcb030;
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(197, 155, 39, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-bg-light);
  border: 2px solid var(--color-bg-light);
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-outline:hover {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  transform: translateY(-2px);
}

/* --- About Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}

.about-img-container {
  position: relative;
}

.about-img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 8px solid var(--color-bg-white);
  transition: var(--transition-slow);
}

.about-img-container::before {
  content: '';
  position: absolute;
  top: -20px;
  left: -20px;
  width: 100px;
  height: 100px;
  border-top: 4px solid var(--color-accent);
  border-left: 4px solid var(--color-accent);
  z-index: -1;
  border-top-left-radius: var(--radius-md);
}

.about-img-container::after {
  content: '';
  position: absolute;
  bottom: -20px;
  right: -20px;
  width: 100px;
  height: 100px;
  border-bottom: 4px solid var(--color-secondary);
  border-right: 4px solid var(--color-secondary);
  z-index: -1;
  border-bottom-right-radius: var(--radius-md);
}

.about-text h3 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.about-italic {
  font-size: 1.15rem;
  font-style: italic;
  color: var(--color-secondary);
  margin-bottom: 24px;
  line-height: 1.6;
}

.about-bio {
  margin-bottom: 32px;
  color: var(--color-text-dark);
}

.about-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 40px;
  margin-bottom: 32px;
}

.about-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}

.about-info-item i {
  color: var(--color-accent);
  font-size: 1.2rem;
  display: flex;
  align-items: center;
}

.about-info-item strong {
  color: var(--color-primary);
}

/* --- Services (Aree di Competenza) --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.service-card {
  background-color: var(--color-bg-light);
  padding: 40px 30px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  border: 1px solid rgba(26, 53, 35, 0.05);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.service-card:hover {
  transform: translateY(-8px);
  background-color: var(--color-bg-white);
  box-shadow: var(--shadow-md);
  border-color: rgba(91, 123, 99, 0.2);
}

.service-icon {
  width: 64px;
  height: 64px;
  background-color: rgba(91, 123, 99, 0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: var(--transition-normal);
}

.service-card:hover .service-icon {
  background-color: var(--color-accent);
}

.service-icon img {
  width: 36px;
  height: 36px;
  transition: var(--transition-normal);
}

.service-card:hover .service-icon img {
  filter: brightness(0) saturate(100%) invert(14%) sepia(20%) saturate(1611%) hue-rotate(90deg) brightness(96%) contrast(92%);
}

.service-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  flex-grow: 1;
}

/* --- Resume / Job Skills Section --- */
.resume-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.resume-column-title {
  font-size: 1.75rem;
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 8px;
}

.resume-column-title i {
  color: var(--color-secondary);
}

.timeline {
  position: relative;
  border-left: 2px solid var(--color-secondary);
  padding-left: 30px;
  margin-left: 10px;
}

.timeline-item {
  position: relative;
  margin-bottom: 30px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -41px;
  top: 4px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-bg-white);
  border: 4px solid var(--color-secondary);
  transition: var(--transition-fast);
}

.timeline-item:hover::before {
  border-color: var(--color-accent);
  background-color: var(--color-primary);
}

.timeline-item h4 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.timeline-item ul {
  padding-left: 20px;
  list-style-type: square;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}

.timeline-item ul li {
  margin-bottom: 8px;
}

/* --- Portfolio Section (CV Dashboard) --- */
.portfolio-dashboard {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 40px;
  align-items: start;
}

.dashboard-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: sticky;
  top: 100px;
}

.dashboard-tab-btn {
  display: flex;
  align-items: center;
  text-align: left;
  padding: 18px 24px;
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-normal);
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.dashboard-tab-btn::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--color-accent);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.dashboard-tab-btn:hover {
  border-color: rgba(91, 123, 99, 0.3);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.dashboard-tab-btn.active {
  border-color: var(--color-primary);
  background: rgba(26, 53, 35, 0.02);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

.dashboard-tab-btn.active::before {
  transform: scaleY(1);
}

.tab-icon-wrapper {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(91, 123, 99, 0.08);
  border-radius: 12px;
  color: var(--color-secondary);
  font-size: 1.25rem;
  flex-shrink: 0;
  transition: var(--transition-normal);
}

.dashboard-tab-btn:hover .tab-icon-wrapper {
  background-color: rgba(91, 123, 99, 0.15);
  color: var(--color-primary);
}

.dashboard-tab-btn.active .tab-icon-wrapper {
  background-color: var(--color-primary);
  color: var(--color-accent);
}

.tab-text-wrapper {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  min-width: 0;
}

.tab-title {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.tab-desc {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tab-count-badge {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
  flex-shrink: 0;
  transition: var(--transition-normal);
}

.dashboard-tab-btn.active .tab-count-badge {
  background-color: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
}

.dashboard-content-panel {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(26, 53, 35, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 40px;
  display: flex;
  flex-direction: column;
  max-height: 700px;
  overflow: hidden;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 24px;
  margin-bottom: 24px;
  gap: 20px;
  flex-wrap: wrap;
}

.panel-header-title {
  flex: 1;
  min-width: 200px;
}

.panel-header-title h3 {
  font-size: 1.75rem;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.panel-header-title p {
  font-size: 0.9rem;
}

.search-bar-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 320px;
}

.search-icon {
  position: absolute;
  left: 16px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

#cv-search-input {
  width: 100%;
  padding: 12px 16px 12px 42px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-round);
  font-family: var(--font-body);
  font-size: 0.9rem;
  background-color: var(--color-bg-light);
  color: var(--color-text-dark);
  transition: var(--transition-normal);
}

#cv-search-input:focus {
  outline: none;
  border-color: var(--color-secondary);
  background-color: var(--color-bg-white);
  box-shadow: 0 0 0 4px rgba(91, 123, 99, 0.1);
}

.search-clear-btn {
  position: absolute;
  right: 14px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  font-size: 1.1rem;
  transition: var(--transition-fast);
  padding: 0;
}

.search-clear-btn:hover {
  color: #dc3545;
}

.timeline-scroll-container {
  flex-grow: 1;
  overflow-y: auto;
  padding-right: 15px;
  margin-right: -15px;
}

/* Scrollbar styling */
.timeline-scroll-container::-webkit-scrollbar {
  width: 6px;
}

.timeline-scroll-container::-webkit-scrollbar-track {
  background: rgba(26, 53, 35, 0.02);
  border-radius: 10px;
}

.timeline-scroll-container::-webkit-scrollbar-thumb {
  background: rgba(91, 123, 99, 0.2);
  border-radius: 10px;
}

.timeline-scroll-container::-webkit-scrollbar-thumb:hover {
  background: rgba(26, 53, 35, 0.35);
}

.dashboard-timeline {
  position: relative;
  padding-left: 36px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.dashboard-timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent) 0%, var(--color-secondary) 50%, rgba(91, 123, 99, 0.1) 100%);
  border-radius: 2px;
}

.timeline-card {
  position: relative;
  background: var(--color-bg-white);
  border: 1px solid rgba(26, 53, 35, 0.04);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  animation: slideUpFade 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.timeline-card:hover {
  transform: translateX(4px);
  border-color: rgba(91, 123, 99, 0.15);
  box-shadow: var(--shadow-md);
}

.timeline-card::before {
  content: '';
  position: absolute;
  left: -27px;
  top: 28px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: var(--color-bg-white);
  border: 3px solid var(--color-accent);
  box-shadow: 0 0 0 4px rgba(197, 155, 39, 0.15);
  z-index: 2;
  transition: var(--transition-fast);
}

.timeline-card:hover::before {
  background-color: var(--color-accent);
  transform: scale(1.25);
  box-shadow: 0 0 0 6px rgba(197, 155, 39, 0.25);
}

.timeline-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.timeline-year {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: rgba(197, 155, 39, 0.12);
  padding: 4px 12px;
  border-radius: 30px;
  border: 1px solid rgba(197, 155, 39, 0.3);
  display: inline-flex;
  align-items: center;
}

.timeline-collaboration {
  font-size: 0.8rem;
  color: var(--color-secondary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.timeline-collaboration i {
  font-size: 0.95rem;
}

.timeline-text {
  font-size: 0.95rem;
  color: var(--color-text-dark);
  line-height: 1.6;
}

.timeline-text mark {
  background-color: rgba(197, 155, 39, 0.22);
  color: var(--color-primary);
  font-weight: 600;
  padding: 0 3px;
  border-radius: 3px;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.timeline-tag {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background-color: var(--color-bg-light);
  padding: 4px 10px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
}

.timeline-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 20px;
  color: var(--color-text-muted);
  animation: slideUpFade 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.empty-icon {
  font-size: 3.5rem;
  color: var(--color-secondary);
  opacity: 0.35;
  margin-bottom: 16px;
}

.timeline-empty-state h4 {
  font-size: 1.35rem;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.timeline-empty-state p {
  font-size: 0.95rem;
  max-width: 340px;
  margin: 0 auto;
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsiveness adjustments for Dashboard */
@media (max-width: 992px) {
  .portfolio-dashboard {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .dashboard-sidebar {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 12px;
    position: static;
    scrollbar-width: thin;
  }

  .dashboard-sidebar::-webkit-scrollbar {
    height: 4px;
  }

  .dashboard-sidebar::-webkit-scrollbar-thumb {
    background: rgba(91, 123, 99, 0.2);
    border-radius: 4px;
  }

  .dashboard-tab-btn {
    flex: 0 0 280px;
    padding: 14px 20px;
  }

  .dashboard-tab-btn:hover,
  .dashboard-tab-btn.active {
    transform: none;
  }

  .dashboard-tab-btn::before {
    left: 0;
    right: 0;
    top: auto;
    bottom: 0;
    height: 4px;
    width: auto;
    transform: scaleX(0);
  }

  .dashboard-tab-btn.active::before {
    transform: scaleX(1);
  }

  .dashboard-content-panel {
    max-height: none;
    height: auto;
    padding: 30px 24px;
  }

  .timeline-scroll-container {
    overflow-y: visible;
    padding-right: 0;
    margin-right: 0;
  }
}

@media (max-width: 768px) {
  .panel-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .search-bar-wrapper {
    max-width: 100%;
  }

  .dashboard-sidebar {
    margin-left: -24px;
    margin-right: -24px;
    padding-left: 24px;
    padding-right: 24px;
  }

  .timeline-card {
    padding: 20px;
  }
}

/* --- Contact Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
}

.contact-info {
  background-color: var(--color-primary);
  color: var(--color-bg-light);
  padding: 50px 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-info h3 {
  color: var(--color-bg-light);
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-info-text h4 {
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.contact-info-text p {
  opacity: 0.9;
  font-size: 1.05rem;
}

.contact-form {
  background-color: var(--color-bg-white);
  padding: 50px 40px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(26, 53, 35, 0.05);
}

.form-group-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px 20px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background-color: var(--color-bg-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-dark);
  transition: var(--transition-normal);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-secondary);
  background-color: var(--color-bg-white);
  box-shadow: 0 0 0 4px rgba(91, 123, 99, 0.15);
}

textarea.form-control {
  resize: vertical;
  min-height: 150px;
}

.form-message {
  margin-top: 16px;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  display: none;
}

.form-message.success {
  background-color: #d1e7dd;
  color: #0f5132;
  border: 1px solid #badbcc;
  display: block;
}

.form-message.error {
  background-color: #f8d7da;
  color: #842029;
  border: 1px solid #f5c2c7;
  display: block;
}

/* --- Footer --- */
.footer {
  background-color: var(--color-primary);
  color: var(--color-bg-light);
  padding: 60px 0 30px;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 30px;
  margin-bottom: 40px;
}

.footer-logo {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.footer-socials {
  display: flex;
  gap: 20px;
}

.social-link {
  width: 44px;
  height: 44px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--color-bg-light);
  transition: var(--transition-normal);
}

.social-link:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
  transform: translateY(-3px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  padding-right: 60px; /* Evita sovrapposizione con il pulsante back-to-top */
}

.footer-bottom a {
  color: var(--color-bg-light);
  opacity: 0.8;
}

.footer-bottom a:hover {
  color: var(--color-accent);
  opacity: 1;
}

/* --- Preloader --- */
.preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-bg-light);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.preloader.fade-out {
  opacity: 0;
  visibility: hidden;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(91, 123, 99, 0.1);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* --- Responsive Adjustments --- */
@media (max-width: 992px) {
  html {
    font-size: 15px;
  }
  
  .navbar {
    height: 70px;
  }
  
  .mobile-nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 70px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--color-bg-light);
    flex-direction: column;
    padding: 60px 40px;
    gap: 32px;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-md);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-img-container {
    max-width: 400px;
    margin: 0 auto;
  }
  
  .resume-grid {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 70px 0;
  }
  
  .hero-content {
    padding: 24px;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
    padding-right: 0;
  }
}

@media (max-width: 576px) {
  .hero-buttons {
    flex-direction: column;
    gap: 12px;
  }
  
  .hero-buttons .btn {
    width: 100%;
  }
  
  .about-info-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
}

/* --- Publications Section --- */
.publications {
  background-color: var(--color-bg-white);
  padding: var(--section-padding);
}

/* Griglia simmetrica adatta per copertine ed elementi editoriali */
.publications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 30px;
  justify-content: center;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.publication-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: var(--transition-normal);
  border: 1px solid rgba(26, 53, 35, 0.04);
  display: flex;
  flex-direction: column;
  aspect-ratio: 3 / 4; /* Rapporto ideale verticale per copertine di libri */
  animation: slideUpFade 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.publication-img-wrapper {
  width: 100%;
  height: 100%;
}

.publication-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.publication-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(26, 53, 35, 0.95) 0%, rgba(26, 53, 35, 0.4) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 24px;
  opacity: 0;
  transition: var(--transition-normal);
  z-index: 2;
}

.publication-icon-circle {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  background-color: rgba(197, 155, 39, 0.95);
  color: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transform: scale(0.8) rotate(-15deg);
  opacity: 0;
  transition: var(--transition-normal);
}

.publication-meta {
  transform: translateY(15px);
  transition: var(--transition-normal);
}

.publication-category-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent);
  letter-spacing: 1.5px;
  margin-bottom: 6px;
  display: inline-block;
}

.publication-item-title {
  color: var(--color-bg-light);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
}

/* Interazioni Hover (Desktop) */
@media (hover: hover) {
  .publication-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(91, 123, 99, 0.15);
  }

  .publication-item:hover .publication-img-wrapper img {
    transform: scale(1.05);
  }

  .publication-item:hover .publication-overlay {
    opacity: 1;
  }

  .publication-item:hover .publication-icon-circle {
    transform: scale(1) rotate(0);
    opacity: 1;
  }

  .publication-item:hover .publication-meta {
    transform: translateY(0);
  }
}

/* Ottimizzazione mobile: mostra i testi sempre parzialmente visibili senza bisogno dell'hover */
@media (hover: none) {
  .publication-overlay {
    opacity: 1;
    background: linear-gradient(to top, rgba(26, 53, 35, 0.95) 0%, rgba(26, 53, 35, 0.3) 80%);
  }
  .publication-meta {
    transform: translateY(0);
  }
  .publication-icon-circle {
    opacity: 1;
    transform: scale(1);
  }
}

/* Stili specifici per i link social nella sezione Contatti */
.contact-social-links {
  display: flex;
  gap: 12px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.contact-project-link {
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-fast);
}

.contact-project-link:hover {
  color: var(--color-bg-white);
  text-decoration: underline;
}

.contact-social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--color-bg-light);
  padding: 8px 16px;
  border-radius: var(--radius-round);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: var(--transition-normal);
}

.contact-social-link i {
  font-size: 1.15rem;
}

.contact-social-link:hover {
  background-color: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

/* --- Lightbox Viewer Styles --- */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(26, 53, 35, 0.94);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-normal);
  padding: 40px;
}

.lightbox-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-close-btn {
  position: absolute;
  top: 30px;
  right: 40px;
  background: none;
  border: none;
  font-size: 2.8rem;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: var(--transition-fast);
  z-index: 3100;
  line-height: 1;
}

.lightbox-close-btn:hover {
  color: var(--color-accent);
  transform: scale(1.1) rotate(90deg);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: white;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-normal);
  z-index: 3100;
}

.lightbox-nav-btn:hover {
  background: var(--color-accent);
  color: var(--color-primary);
  border-color: var(--color-accent);
  transform: translateY(-50%) scale(1.05);
}

.prev-btn {
  left: 40px;
}

.next-btn {
  right: 40px;
}

.lightbox-content-wrapper {
  max-width: 800px;
  width: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transform: scale(0.92);
  transition: var(--transition-normal);
}

.lightbox-overlay.active .lightbox-content-wrapper {
  transform: scale(1);
}

.lightbox-content-wrapper img {
  width: 100%;
  max-height: 55vh;
  object-fit: contain; /* Utilizziamo contain per non ritagliare le copertine dei libri nel lightbox */
  background-color: var(--color-bg-light);
  transition: opacity 0.2s ease-in-out;
}

.lightbox-caption-panel {
  padding: 30px 40px;
  background-color: var(--color-bg-white);
  border-top: 1px solid var(--color-border);
}

.caption-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.caption-category {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-secondary);
  letter-spacing: 1.5px;
}

.caption-year {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: rgba(91, 123, 99, 0.1);
  padding: 3px 10px;
  border-radius: 30px;
}

.caption-title {
  font-size: 1.6rem;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.caption-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* Responsive queries per Pubblicazioni e Lightbox */
@media (max-width: 992px) {
  .publications-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
  }
  
  .lightbox-overlay {
    padding: 20px;
  }
  
  .lightbox-close-btn {
    top: 20px;
    right: 20px;
    font-size: 2.2rem;
  }
  
  .lightbox-nav-btn {
    position: fixed;
    bottom: 20px;
    top: auto;
    transform: none;
    width: 50px;
    height: 50px;
  }
  
  .prev-btn {
    left: 20px;
    transform: none;
  }
  
  .next-btn {
    right: 20px;
    transform: none;
  }
  
  .lightbox-content-wrapper {
    margin-bottom: 60px; /* Spazio per i bottoni di navigazione fissi in basso */
  }
}

@media (max-width: 768px) {
  .publications {
    padding: 60px 0;
  }
  
  .lightbox-content-wrapper img {
    max-height: 45vh;
  }
  
  .lightbox-caption-panel {
    padding: 20px 24px;
  }
  
  .caption-title {
    font-size: 1.3rem;
  }
}

/* --- Back to Top Button --- */
.back-to-top-btn {
  position: fixed;
  visibility: hidden;
  opacity: 0;
  right: 20px;
  bottom: 20px;
  z-index: 999;
  background-color: var(--color-accent);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  font-size: 1.8rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(26, 53, 35, 0.15);
  transform: translateY(20px);
}

.back-to-top-btn:hover {
  background-color: var(--color-primary);
  color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(26, 53, 35, 0.25);
}

.back-to-top-btn.active {
  visibility: visible;
  opacity: 1;
  transform: translateY(0);
}