/* ==========================================================================
   Importazione Google Fonts (Plus Jakarta Sans)
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* ==========================================================================
   Design System & Variabili dei Temi
   ========================================================================== */
:root {
  /* Font Family Premium */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Palette di Colori - Tema Chiaro (Slate & Violet) */
  --primary: #6366f1;          /* Indigo/Violet per brand feel .NET */
  --primary-glow: rgba(99, 102, 241, 0.15);
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --accent: #0ea5e9;           /* Azure Cloud Blue */
  --accent-glow: rgba(14, 165, 233, 0.15);
  
  --surface: #ffffff;
  --surface-alt: #f8fafc;      /* Grigio-azzurro chiarissimo per superfici */
  --background: #f1f5f9;       /* Slate leggero di sfondo */
  --border: #e2e8f0;           /* Bordo morbido a contrasto */
  
  /* Testo ad alto contrasto (Conforme WCAG AA) */
  --text-primary: #0f172a;     /* Slate profondo */
  --text-secondary: #475569;   /* Slate medio */
  --text-muted: #64748b;       /* Slate tenue */
  
  --success: #10b981;          /* Smeraldo */
  --warning: #f59e0b;          /* Ambra */
  --error: #ef4444;            /* Rosso */
  
  --spotlight-color: rgba(99, 102, 241, 0.05);

  /* Ombreggiature Soft Premium */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 24px 48px -8px rgba(15, 23, 42, 0.12), 0 8px 24px -4px rgba(15, 23, 42, 0.08);

  --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  --gradient-accent: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

/* Tema Scuro (Deep Obsidian & Neon Accents) */
[data-theme="dark"] {
  --primary: #818cf8;          /* Indigo brillante a contrasto in dark mode */
  --primary-glow: rgba(129, 140, 248, 0.2);
  --primary-light: #a5b4fc;
  --primary-dark: #6366f1;
  --accent: #38bdf8;           /* Azure Cloud Blue a contrasto */
  --accent-glow: rgba(56, 189, 248, 0.2);
  
  --surface: #0f0f12;          /* Obsidian profondo */
  --surface-alt: #16161a;      /* Superficie secondaria scura */
  --background: #09090b;       /* Sfondo puro nero fumo */
  --border: #27272a;           /* Grigio metallo scuro */
  
  --text-primary: #f4f4f5;     /* Grigio caldissimo quasi bianco */
  --text-secondary: #a1a1aa;   /* Grigio medio leggibile */
  --text-muted: #71717a;       /* Grigio scuro per dettagli */
  
  --spotlight-color: rgba(129, 140, 248, 0.08);
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 20px -2px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 12px 30px -4px rgba(0, 0, 0, 0.8);
  --shadow-xl: 0 24px 60px -8px rgba(0, 0, 0, 0.9);
}

/* ==========================================================================
   Stili di Base
   ========================================================================== */
body {
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* ==========================================================================
   Preference controls (language and theme)
   ========================================================================== */
.control-dock {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  z-index: 1000;
}

.theme-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
  box-shadow: var(--shadow-md);
}

.theme-toggle:hover {
  transform: rotate(15deg) scale(1.1);
  border-color: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
}

.theme-toggle i {
  font-size: 1.25rem;
  color: var(--text-primary);
  transition: transform 0.4s ease;
}

.theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: block;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: none;
}

.language-switch {
  display: inline-flex;
  padding: 0.25rem;
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.language-option {
  min-width: 2.25rem;
  min-height: 2.25rem;
  padding: 0.35rem 0.55rem;
  border: 0;
  border-radius: 0.6rem;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
}

.language-option:hover {
  color: var(--text-primary);
}

.language-option[aria-pressed="true"] {
  color: white;
  background: var(--gradient-primary);
  box-shadow: 0 3px 8px var(--primary-glow);
}

.language-option:focus-visible,
.theme-toggle:focus-visible,
.icon-link:focus-visible,
.project-link:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 3px;
}

/* ==========================================================================
   Bento Card Layout ed Estetica Premium
   ========================================================================== */
.bento-box {
  background: var(--surface);
  border-radius: 1.25rem;
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
              border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Forza gli elementi interni a stare sopra il radiale di spotlight */
.bento-box > * {
  position: relative;
  z-index: 2;
}

/* Spotlight Background Glow */
.bento-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(
    300px circle at var(--mouse-x, 0px) var(--mouse-y, 0px),
    var(--spotlight-color),
    transparent 80%
  );
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  z-index: 1;
}

.bento-box:hover {
  transform: translateY(-4px) scale(1.005);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-glow);
}

.bento-box:hover::before {
  opacity: 1;
}

/* Linea superiore di accento (Sottile, gradiente d'accento) */
.bento-box::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 3;
}

.bento-box:hover::after {
  opacity: 1;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
header.bento-box {
  background: var(--surface);
  /* Sfondo con pattern micro-grid */
  background-image: 
    radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 24px 24px;
  background-position: center;
}

/* Rimuove l'after di default della linea superiore per l'hero per renderlo più pulito */
header.bento-box::after {
  height: 5px;
  opacity: 0.8;
}

.profile-image-container {
  position: relative;
  display: inline-block;
  padding: 3px;
  border-radius: 50%;
  background: var(--gradient-accent);
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
  transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.profile-image-container:hover {
  transform: rotate(5deg) scale(1.05);
}

.profile-image {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--surface);
}

.hero-header {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.hero-text p:first-child {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.15rem;
}

.hero-text h1 {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-primary);
}

.hero-text p.text-lg {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ==========================================================================
   Titoli & Tipografia Bento
   ========================================================================== */
.bento-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  letter-spacing: -0.02em;
}

.bento-title i {
  color: var(--primary);
  font-size: 1.2rem;
  filter: drop-shadow(0 2px 4px var(--primary-glow));
}

.bento-subtitle {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.bento-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
}

.role-history {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0.75rem 0 1.25rem;
}

.role-history > div {
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  background: var(--surface-alt);
}

.role-name {
  display: block;
  color: var(--text-primary);
  font-size: 0.8125rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.role-history .bento-date {
  display: block;
  margin-bottom: 0;
}

.experience-list {
  list-style: disc;
  padding-left: 1.15rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.65;
}

.experience-list li + li {
  margin-top: 0.45rem;
}

.experience-list-columns {
  columns: 2;
  column-gap: 2rem;
}

.experience-list-columns li {
  break-inside: avoid;
}

.info-icon {
  color: var(--primary);
  width: 24px;
  text-align: center;
}

.bento-tag {
  display: inline-block;
  background: var(--surface-alt);
  color: var(--text-secondary);
  padding: 0.35rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  margin-right: 0.35rem;
  margin-bottom: 0.35rem;
}

.bento-tag:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 10px var(--primary-glow);
}

/* ==========================================================================
   Skill Pills Dinamiche
   ========================================================================== */
.skill-category-title {
  font-size: 0.8125rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  margin-top: 1rem;
}

.skill-category-title:first-of-type {
  margin-top: 0;
}

.skills-wrapper {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.skill-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface-alt);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 0.45rem 0.85rem;
  border-radius: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: default;
}

.skill-item i {
  font-size: 0.95rem;
  transition: transform 0.3s ease;
}

.skill-item:hover {
  transform: translateY(-2px);
  background: var(--surface);
  color: var(--text-primary);
  border-color: var(--skill-hover-color, var(--primary));
  box-shadow: 0 4px 12px var(--skill-hover-glow, var(--primary-glow));
}

.skill-item:hover i {
  transform: scale(1.15) rotate(5deg);
}

/* ==========================================================================
   Timeline Interattiva delle Esperienze
   ========================================================================== */
.timeline-container {
  position: relative;
  padding-left: 2rem;
  margin-top: 1rem;
}

.timeline-line {
  position: absolute;
  left: 0.75rem;
  top: 0.25rem;
  bottom: 0.25rem;
  width: 2px;
  background: var(--border);
  transition: background-color 0.4s ease;
}

.timeline-item {
  position: relative;
  padding-bottom: 2rem;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: -2.0625rem;
  top: 1.25rem;
  width: 14px;
  height: 14px;
  background: var(--border);
  border-radius: 50%;
  border: 3px solid var(--surface);
  box-shadow: var(--shadow-sm);
  z-index: 10;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.timeline-content {
  background: var(--surface);
  padding: 1.5rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Hover e focus sulla card dell'esperienza */
.timeline-item:hover .timeline-content {
  border-color: var(--primary-glow);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}

/* Illumina la linea e il pallino quando passi sopra all'elemento */
.timeline-item:hover .timeline-dot {
  background: var(--primary);
  border-color: var(--surface);
  transform: scale(1.2);
  box-shadow: 0 0 10px var(--primary-glow);
}

/* Stato dell'esperienza corrente (Attuale) */
.timeline-current .timeline-dot {
  background: var(--success);
  border-color: var(--surface);
  box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
}

.timeline-current:hover .timeline-dot {
  background: var(--success);
  box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.25);
  transform: scale(1.2);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(16, 185, 129, 0.06);
  color: var(--success);
  padding: 0.35rem 0.75rem;
  border-radius: 2rem;
  border: 1px solid rgba(16, 185, 129, 0.15);
  font-size: 0.75rem;
  font-weight: 700;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse-status 2.5s infinite;
}

@keyframes pulse-status {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(1.2);
  }
}

/* ==========================================================================
   Pulsanti e Link Esterni (Social e Progetti)
   ========================================================================== */
.icon-link {
  color: var(--text-secondary);
  background: var(--surface-alt);
  border: 1px solid var(--border);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  position: relative;
  overflow: hidden;
}

.icon-link:hover {
  color: var(--text-primary);
  border-color: var(--primary);
  background: var(--surface);
  transform: translateY(-3px);
  box-shadow: 0 4px 12px var(--primary-glow);
}

.project-link {
  color: var(--primary);
  background: var(--surface-alt);
  border: 1px solid var(--border);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.8125rem;
  padding: 0.5rem 1rem;
  border-radius: 0.75rem;
}

.project-link:hover {
  background: var(--primary);
  color: white !important;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px var(--primary-glow);
  text-decoration: none;
}

.project-link i {
  transition: transform 0.3s ease;
}

.project-link:hover i {
  transform: translate(1px, -1px);
}

/* ==========================================================================
   Footer & Gradienti
   ========================================================================== */
.footer-gradient {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  /* Sfondo micro-grid come l'hero */
  background-image: 
    radial-gradient(var(--border) 1px, transparent 1px);
  background-size: 24px 24px;
}

.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ==========================================================================
   Media Queries & Responsività
   ========================================================================== */
@media (max-width: 768px) {
  .control-dock {
    top: auto;
    bottom: 1.5rem;
    right: 1.5rem;
  }

  .language-switch,
  .theme-toggle {
    box-shadow: var(--shadow-lg);
  }
  
  .hero-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
  
  .hero-text h1 {
    font-size: 1.85rem;
  }
  
  .timeline-container {
    padding-left: 1.25rem;
  }
  
  .timeline-dot {
    left: -1.6875rem;
  }

  .role-history {
    grid-template-columns: 1fr;
  }

  .experience-list-columns {
    columns: 1;
  }
}

/* Media query per rispettare le preferenze di movimento ridotto dell'utente */
@media (prefers-reduced-motion: reduce) {
  .bento-box,
  .skill-item,
  .timeline-content,
  .timeline-dot,
  .icon-link,
  .project-link,
  .language-option,
  .theme-toggle,
  .profile-image-container {
    transition: none !important;
    transform: none !important;
    animation: none !important;
  }
}