/* ===== MODERN PROFESSIONAL DESIGN SYSTEM ===== */

/* CSS Reset & Performance Optimizations */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-size: 16px;
  line-height: 1.5;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Miglioramento focus per accessibilità da tastiera */
:focus-visible {
  outline: 3px solid var(--primary-400);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Accessibility & Performance */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

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

/* ===== DESIGN TOKENS ===== */
:root {
  /* Colors - Professional Palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  --gray-50: #f5f7fb;
  --gray-100: #eef2f7;
  --gray-200: #e3e8ef;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  /* Semantic Colors */
  --background: var(--gray-50);
  --surface: #f8fafc;
  --surface-elevated: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #6b7280;
  --border: var(--gray-200);
  --border-light: var(--gray-100);
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glow-primary: 0 0 20px rgba(59, 130, 246, 0.3), 0 0 40px rgba(59, 130, 246, 0.2);
  --shadow-glow-success: 0 0 20px rgba(16, 185, 129, 0.3), 0 0 40px rgba(16, 185, 129, 0.2);


  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;

  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
  --container-2xl: 1536px;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal: 1040;
  --z-popover: 1050;
  --z-tooltip: 1060;
}


/* Dark Theme */
[data-theme="dark"] {
  --background: #0f172a;
  --surface: #1e293b;
  --surface-elevated: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --border: #334155;
  --border-light: #475569;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.4), 0 1px 2px -1px rgb(0 0 0 / 0.4);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4), 0 2px 4px -2px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.4), 0 4px 6px -4px rgb(0 0 0 / 0.4);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.4), 0 8px 10px -6px rgb(0 0 0 / 0.4);
  --shadow-glow-primary: 0 0 25px rgba(96, 165, 250, 0.4), 0 0 50px rgba(96, 165, 250, 0.3);
  --shadow-glow-success: 0 0 25px rgba(52, 211, 153, 0.4), 0 0 50px rgba(52, 211, 153, 0.3);
}

/* ===== BASE STYLES ===== */
body {
  background: var(--background);
  color: var(--text-primary);
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* ===== UTILITY CLASSES ===== */
.container {
  width: 100%;
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

.section {
  padding: var(--space-16) 0;
}

@media (min-width: 768px) {
  .section {
    padding: var(--space-24) 0;
  }
}

.section__header {
  text-align: center;
  max-width: 48rem;
  margin: 0 auto var(--space-16);
}

.section__header h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

@media (min-width: 768px) {
  .section__header h2 {
    font-size: var(--font-size-4xl);
  }
}

.section__header p {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(239, 242, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: all var(--transition-base);
}

[data-theme="dark"] .header {
  background: rgba(15, 23, 42, 0.95);
  border-bottom-color: var(--border);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4rem;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .navbar {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .navbar {
    padding: 0 var(--space-8);
  }
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  transition: color var(--transition-fast);
}

@media (min-width: 768px) {
  .brand {
    font-size: var(--font-size-xl);
  }
}

.brand:hover {
  color: var(--primary-600);
}

.brand-logo {
  width: 2.5rem;
  height: 2.5rem;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

@media (min-width: 768px) {
  .brand-logo {
    width: 3rem;
    height: 3rem;
  }
}

.brand:hover .brand-logo {
  transform: scale(1.05);
}

.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-8);
  list-style: none;
}

@media (min-width: 768px) {
  .nav-links {
    display: flex;
  }
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--surface);
}

.nav-link.active {
  color: var(--primary-600);
  background: var(--primary-50);
}

[data-theme="dark"] .nav-link.active {
  background: rgba(59, 130, 246, 0.1);
}

.navbar-controls {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-secondary);
}

.theme-toggle:hover {
  background: var(--surface-elevated);
  color: var(--text-primary);
  transform: scale(1.05);
}

.theme-icon {
  width: 1.25rem;
  height: 1.25rem;
  transition: all var(--transition-base);
}

.theme-icon--sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.theme-icon--moon {
  opacity: 0;
  transform: rotate(180deg) scale(0.8);
  position: absolute;
}

[data-theme="dark"] .theme-icon--sun {
  opacity: 0;
  transform: rotate(-180deg) scale(0.8);
}

[data-theme="dark"] .theme-icon--moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.lang-switcher {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.lang-btn:hover {
  background: var(--surface-elevated);
  transform: translateY(-1px);
}

.lang-menu {
  position: absolute;
  top: calc(100% + var(--space-2));
  right: 0;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 10rem;
  padding: var(--space-2);
  display: none;
  z-index: var(--z-dropdown);
}

.lang-menu.open {
  display: block;
  animation: fadeInUp 200ms ease-out;
}

.lang-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  background: transparent;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background var(--transition-fast);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.lang-item:hover {
  background: var(--surface);
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  flex-direction: column;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle span {
  width: 1.25rem;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Navigation */
@media (max-width: 767px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: var(--space-4);
    right: var(--space-4);
    background: var(--surface-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    flex-direction: column;
    gap: 0;
    padding: var(--space-6);
    transform: translateY(-20px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: var(--z-dropdown);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  [data-theme="dark"] .nav-links {
    background: rgba(51, 65, 85, 0.95);
    border-color: var(--border);
  }

  .nav-links.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    animation: slideDownFade 0.3s ease-out;
  }

  .nav-link {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    text-align: left;
    border-radius: var(--radius);
    margin-bottom: var(--space-2);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
  }

  .nav-link:last-child {
    margin-bottom: 0;
  }

  .nav-link:hover {
    background: var(--primary-50);
    color: var(--primary-700);
    transform: translateX(8px);
  }

  [data-theme="dark"] .nav-link:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-300);
  }

  .nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-600);
    transform: scaleY(0);
    transition: transform var(--transition-fast);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  }

  .nav-link:hover::before {
    transform: scaleY(1);
  }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  line-height: 1;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn--primary:hover {
  box-shadow: var(--shadow-glow-primary);
}
.btn--secondary:hover {
  box-shadow: var(--shadow-md);
}

.btn--primary {
  background: var(--primary-600);
  color: white;
  border-color: var(--primary-600);
}

.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--primary-700);
  border-color: var(--primary-700);
}

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

.btn--secondary:hover, .btn--secondary:focus-visible {
  background: var(--surface-elevated);
}

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

.btn--ghost:hover, .btn--ghost:focus-visible {
  background: var(--surface);
  color: var(--text-primary);
}

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

/* ===== HERO SECTION ===== */
.hero {
  padding: var(--space-20) 0;
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-32) 0;
  }
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: -20%;
  background:
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.hero__grid {
  display: grid;
  gap: var(--space-12);
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .hero__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-16);
  }
}

.hero__content {
  text-align: center;
}

@media (min-width: 1024px) {
  .hero__content {
    text-align: left;
  }
}

.hero__title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  min-height: calc(1.1em * 2); /* Prevents layout shift. 1.1em (line-height) * 2 (max lines) */
}
/* Animazione typewriter CSS */
.hero__title.typing {
  position: relative;
  width: max-content; /* Adatta la larghezza al testo */
  margin-left: auto;
  margin-right: auto;
  /* Fallback per browser che non supportano @property */
  animation: typing var(--typing-duration, 2s) steps(var(--steps, 20), end),
             blink .75s step-end infinite,
             delete var(--delete-duration, 1s) steps(var(--steps, 20), end) calc(var(--typing-duration, 2s) + var(--loop-delay, 2s));
}

@media (min-width: 1024px) {
  .hero__title.typing {
    margin-left: 0;
    margin-right: 0;
  }
}

/* Animazione di scrittura */
@keyframes typing {
  from { clip-path: inset(0 100% 0 0); }
  to { clip-path: inset(0 0 0 0); }
}

/* Animazione di cancellazione */
@keyframes delete {
  from { clip-path: inset(0 0 0 0); }
  to { clip-path: inset(0 100% 0 0); }
}

/* Cursore lampeggiante */
@keyframes blink {
  from, to { border-color: transparent; }
  50% { border-color: var(--primary-600); }
}

@media (min-width: 768px) {
  .hero__title {
    font-size: var(--font-size-5xl);
  }
}

@media (min-width: 1024px) {
  .hero__title {
    font-size: var(--font-size-6xl);
    min-height: calc(1.1em * 2); /* Adjust for larger font size */
  }
}

.hero__subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-8);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
}

@media (min-width: 1024px) {
  .hero__subtitle {
    margin-left: 0;
    margin-right: 0;
  }
}

.hero__cta {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 640px) {
  .hero__cta {
    flex-direction: row;
    justify-content: center;
  }
}

@media (min-width: 1024px) {
  .hero__cta {
    justify-content: flex-start;
  }
}

.hero__visual {
  position: relative;
  display: flex;
  justify-content: center;
}

.hero__card {
  /* Glassmorphism Effect */
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 24rem;
  transition: transform var(--transition-slow), box-shadow var(--transition-slow);
  position: relative;
  overflow: hidden;
}

/* Dark mode for the card */
[data-theme="dark"] .hero__card {
  background: rgba(30, 41, 59, 0.6); /* --gray-800 with alpha */
  border: 1px solid rgba(71, 85, 105, 0.5); /* --gray-700 with alpha */
}

/* Glowing border effect on hover */
.hero__card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 1px; /* border thickness */
  background: linear-gradient(135deg, var(--primary-400), transparent, transparent, var(--primary-400));
  -webkit-mask: 
     linear-gradient(#fff 0 0) content-box, 
     linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-base);
}
.hero__card:hover::before {
  opacity: 1;
}

.card__header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: var(--radius-full);
}

.dot:nth-child(1) {
  background: #ef4444;
}

.dot:nth-child(2) {
  background: #f59e0b;
}

.dot:nth-child(3) {
  background: #10b981;
}

.card__body {
  padding: var(--space-6);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.metric {
  text-align: center;
  padding: var(--space-4);
  background: var(--surface);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

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

.metric__label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-2);
}

.metric__value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-600);
}

.metric__value.pop {
  animation: pop-in 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

@keyframes pop-in {
  0% {
    transform: scale(0.9);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}
/* ===== PRODUCTS SECTION ===== */
.products__grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .products__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .founder__grid {
    justify-items: center;
  }
}

@media (min-width: 1024px) {
  .products__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.product-card {
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  position: relative;
  overflow: hidden;
}

.product-card::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.8s cubic-bezier(0.19, 1, 0.22, 1);
  pointer-events: none;
  z-index: 1;
}

[data-theme="dark"] .product-card::after {
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
}

.product-card:hover::after {
  transform: translate(-50%, -50%) scale(1);
}

.product-card > * {
  position: relative;
  z-index: 2;
}






.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-200);
}

[data-theme="dark"] .product-card:hover {
  border-color: var(--primary-800);
}

.product-card__icon {
  width: 3rem;
  height: 3rem;
  background: var(--primary-100);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  color: var(--primary-600);
}

[data-theme="dark"] .product-card__icon {
  background: rgba(59, 130, 246, 0.1);
}

.product-card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.product-card__desc {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.product-card__link {
  color: var(--primary-600);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-fast);
}

.product-card__link:hover {
  color: var(--primary-700);
  transform: translateX(4px);
}

.product-card__link::after {
  content: '→';
  transition: transform var(--transition-fast);
}

.product-card__link:hover::after {
  transform: translateX(4px);
}

.product-card__link:hover::after {
  transform: translateX(4px);
}

/* ===== TIMELINE ===== */
.timeline {
  position: relative;
  padding-left: var(--space-8);
}

.timeline::before {
  content: '';
  position: absolute;
  left: var(--space-4);
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--border);
}

.timeline__item {
  position: relative;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.timeline__item:focus-within {
  transform: translateX(8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-300);
}
.timeline__item:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-300);
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: calc(-var(--space-8) - 6px);
  top: var(--space-6);
  width: 14px;
  height: 14px;
  background: var(--primary-600);
  border-radius: var(--radius-full);
  border: 4px solid var(--background);
  box-shadow: 0 0 0 3px var(--primary-300);
}

[data-theme="dark"] .timeline__item::before {
  box-shadow: 0 0 0 3px var(--primary-700);
}

.timeline__year {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.timeline__text {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== CONTENT SECTION ===== */
.content__grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 1024px) {
  .content__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.content__article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.content__article:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-300);
}

.content__article h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.3;
}

.content__article p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.content__article p:last-child {
  margin-bottom: 0;
}

/* ===== FOUNDER SECTION ===== */
.founder__grid {
  display: grid;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .founder__grid {
    grid-template-columns: 0.8fr 1.2fr;
    gap: var(--space-16);
  }
}

.avatar {
  width: 16rem;
  height: 16rem;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--primary-500), var(--success));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: white;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transition: transform var(--transition-slow);
}

.avatar__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar .avatar__img + span {
  display: none;
}

.glow {
  position: absolute;
  width: 120%;
  height: 120%;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, rgba(59, 130, 246, 0.25) 0%, transparent 65%);
  z-index: -1;
  filter: blur(50px);
  animation: pulse 4s ease-in-out infinite;
}

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

.founder__name {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.founder__role {
  font-size: var(--font-size-lg);
  color: var(--primary-600);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-4);
}

.founder__bio {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-6);
}

.founder__meta {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
  flex-wrap: wrap;
}

@media (min-width: 1024px) {
  .founder__meta {
    justify-content: flex-start;
  }
}

.stat {
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  min-width: 5rem;
  transition: all var(--transition-base);
}

.stat:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.stat__num {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-600);
  margin-bottom: var(--space-1);
}

.stat__label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
  display: grid;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-content {
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1.5fr;
  }
}

.footer-logo {
  width: 4rem;
  height: 4rem;
  object-fit: contain;
  margin-bottom: var(--space-4);
  transition: transform var(--transition-fast);
}

@media (min-width: 768px) {
  .footer-logo {
    width: 5rem;
    height: 5rem;
  }
}

.footer-brand:hover .footer-logo {
  transform: scale(1.05);
}

.footer-brand-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

@media (min-width: 768px) {
  .footer-brand-name {
    font-size: var(--font-size-2xl);
  }
}

.footer-column h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
}

.footer-column p {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-4);
}

.footer-column a {
  color: var(--text-secondary);
  text-decoration: none;
  display: block;
  margin-bottom: var(--space-2);
  transition: color var(--transition-fast);
}

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

.social-icons {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.social-icons a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  margin-bottom: 0;
}

.social-icons a:hover {
  background: var(--primary-600);
  border-color: var(--primary-600);
  color: white;
  transform: translateY(-2px);
}

.copyright {
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: var(--font-size-sm);
}

/* Footer Newsletter Form */
.footer-newsletter {
  grid-column: span 1 / span 1;
}

@media (min-width: 768px) and (max-width: 1023px) {
  .footer-newsletter {
    grid-column: 1 / -1; /* Occupa tutta la larghezza su tablet */
  }
}

.footer-form-group {
  position: relative;
  display: flex;
  align-items: center;
}

.footer-form-group input[type="email"] {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-right: 3.5rem; /* Spazio per il pulsante */
  font-size: var(--font-size-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-elevated);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.footer-form-group input[type="email"]:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.btn-submit-footer {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--primary-600);
  color: white;
  border: none;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--transition-fast);
}

.btn-submit-footer:hover {
  background: var(--primary-700);
}

.footer-gdpr-group {
  margin-top: var(--space-3);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

/* ===== COOKIE BANNER ===== */
.cookie {
  position: fixed;
  bottom: var(--space-6);
  left: var(--space-6);
  right: var(--space-6);
  max-width: 32rem;
  margin: 0 auto;
  background: var(--surface-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--space-6);
  z-index: var(--z-fixed);
  transform: translateY(100%);
  opacity: 0;
  transition: all var(--transition-base);
}

.cookie.show {
  transform: translateY(0);
  opacity: 1;
}

.cookie__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .cookie__content {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.cookie__text {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.cookie__actions {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
}

.cookie__link {
  color: var(--primary-600);
  text-decoration: none;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  margin-top: var(--space-2);
  display: inline-block;
}

.cookie__link:hover {
  text-decoration: underline;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(1rem);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideDownFade {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: all var(--transition-slow);
}


.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 150ms;
}

.delay-2 {
  transition-delay: 300ms;
}

/* ===== RESPONSIVE UTILITIES ===== */
@media (max-width: 639px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  .section {
    padding: var(--space-12) 0;
  }
  
  .hero {
    padding: var(--space-16) 0;
  }
  
  .hero__title {
    font-size: var(--font-size-3xl);
  }
  
  .card__body {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
  
  .metric {
    padding: var(--space-3);
  }
  
  .products__grid {
    gap: var(--space-6);
  }
  
  .timeline {
    padding-left: var(--space-6);
  }
  
  .timeline::before {
    left: var(--space-3);
  }
  
  .timeline__item::before {
    left: calc(-var(--space-6) - 6px);
  }
  
  .founder__meta {
    gap: var(--space-4);
  }
  
  .avatar {
    width: 12rem;
    height: 12rem;
  }
  
  .glow {
    width: 16rem;
    height: 16rem;
  }
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
.hero__card,
.product-card,
.timeline__item,
.content__article,
.avatar {
  will-change: transform;
}

/* Reduce animations on low-end devices */
@media (prefers-reduced-motion: reduce) {
  .glow {
    animation: none;
  }
  
  .hero__card:hover,
  .product-card:hover,
  .timeline__item:hover,
  .content__article:hover,
  .avatar:hover {
    transform: none;
  }
}

/* Disabilita tilt su dispositivi touch per performance */
@media (hover: none) {
  .card-tilt:hover {
    transform: translateY(-10px) scale(1.02); /* Mantiene solo l'effetto di sollevamento */
  }
}


/* Stili aggiunti per l'animazione fade del carosello */
.leader-carousel, .content-carousel {
  position: relative;
}

.leader-track, .content-track {
  position: relative;
  transition: height 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.leader-slide, .content-slide {
  width: 100%;
  transition: opacity 0.6s ease-in-out;
}

.leader-slide:not([data-active]), .content-slide:not([data-active]) {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

/* Stili per carosello a 2 colonne su desktop */
@media (min-width: 1024px) {
  .leader-carousel .leader-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    height: auto !important; /* L'altezza non viene più animata */
  }

  .leader-carousel .leader-slide {
    flex: 0 0 50%; /* Ogni slide occupa il 50% del contenitore */
    max-width: 50%;
    padding: 0 var(--space-4);
    transition: opacity 0.6s ease-in-out, transform 0.6s ease-in-out;
    opacity: 1; /* Sempre visibili */
    visibility: visible;
    position: static; /* Rimuove position: absolute */
    pointer-events: auto;
  }

  /* Nasconde i controlli se ci sono solo 2 slide o meno */
  .leader-carousel[data-slides-count="1"] .leader-controls,
  .leader-carousel[data-slides-count="2"] .leader-controls,
  .leader-carousel[data-slides-count="1"] .carousel-indicators,
  .leader-carousel[data-slides-count="2"] .carousel-indicators,
  .leader-carousel .leader-controls,
  .leader-carousel .carousel-indicators {
    display: none;
  }

  /* Sovrascrive la logica di nascondere le slide non attive */
  .leader-carousel .leader-slide:not([data-active]) {
    position: static;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
}

/* Carousel Indicators */
.carousel-indicators {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-6);
}

.indicator-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--border);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.indicator-dot.active,
.indicator-dot:hover {
  background: var(--primary-500);
  transform: scale(1.2);
}

/* ===== Overrides: Founder Section Centering ===== */
.leader-carousel .leader-controls,
.leader-carousel .carousel-indicators {
  display: none;
}

.founder__grid {
  max-width: 900px;
  margin: 0 auto;
  justify-items: center;
}

@media (min-width: 1024px) {
  .founder__content {
    text-align: center; /* centra il contenuto anche su desktop */
  }
  .founder__meta {
    justify-content: center; /* mantiene le statistiche centrate su desktop */
  }
}

/* ===== NEWSLETTER SECTION (Mailchimp) ===== */
.newsletter {
  background: var(--surface);
}

#mc_embed_signup {
  background: transparent;
  width: 100%;
  max-width: 36rem; /* Limita la larghezza per una migliore leggibilità */
  margin: 0 auto;
  text-align: center;
  font-family: inherit;
}

#mc_embed_signup h2 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  line-height: 1.2;
}

.newsletter__subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-8);
}

.mc-field-group {
  margin-bottom: var(--space-6);
  text-align: left;
}

.mc-field-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  margin-bottom: var(--space-2);
}

.mc-gdpr-group {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.mc-gdpr-group input[type="checkbox"] {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.15rem;
  accent-color: var(--primary-600);
}

.mc-gdpr-group .gdpr-label {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: var(--font-weight-normal);
  line-height: 1.5;
}

.mc-field-group input[type="email"],
.mc-field-group input[type="text"] {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-elevated);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

.mc-field-group input:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

#mc-embedded-subscribe {
  width: 100%;
  margin-top: var(--space-4);
}

#mce-responses {
  margin: var(--space-4) 0;
  font-size: var(--font-size-sm);
}

.response {
  padding: var(--space-3);
  border-radius: var(--radius);
}

#mce-success-response {
  background: var(--success);
  color: #fff;
  font-weight: var(--font-weight-medium);
}

#mce-error-response {
  background: var(--error);
  color: #fff;
  font-weight: var(--font-weight-medium);
}

/* Validation styles from Mailchimp script */
label.error {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--error);
  animation: shake 0.3s;
}

@keyframes shake {
  10%, 90% { transform: translateX(-2px); }
  20%, 80% { transform: translateX(2px); }
  30%, 50%, 70% { transform: translateX(-4px); }
  40%, 60% { transform: translateX(4px); }
}

/* ===== NUMBERS SECTION & CHART ===== */
.chart-container {
  width: 100%;
  max-width: 700px; /* Limita la larghezza massima del grafico */
  margin: 0 auto;
  padding: var(--space-6);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

@media (min-width: 1024px) {
  .numbers-content-wrapper {
    display: flex;
    align-items: flex-start;
    gap: var(--space-12);
  }
  .numbers-content-wrapper > .hero__card {
    flex: 1;
    margin-bottom: 0;
  }
  .stats-card__body {
    grid-template-columns: repeat(2, 1fr); /* 2x2 grid per le stats */
  }
  .founder__content {
    text-align: left;
  }
  .chart-container {
    flex: 1.5;
    max-width: 60%;
  }
}

/* Wrapper per il canvas del grafico per controllarne l'altezza */
.chart-canvas-wrapper {
  position: relative;
  height: 400px;
}

/* Stili per i filtri del grafico */
.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.chart-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
}

.chart-filters {
  display: flex;
  gap: var(--space-2);
  background: var(--surface-elevated);
  padding: var(--space-1);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.chart-filter-btn {
  padding: var(--space-2) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  border: none;
  background-color: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.chart-filter-btn.active {
  background-color: var(--primary-600);
  color: white;
  box-shadow: var(--shadow-sm);
}

/* ===== NEWSLETTER POPUP ===== */
.newsletter-popup {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.newsletter-popup.show {
  opacity: 1;
  visibility: visible;
}

.newsletter-popup__overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.newsletter-popup__content {
  position: relative;
  background: var(--surface-elevated);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 40rem;
  transform: scale(0.95);
  transition: transform var(--transition-base);
}

.newsletter-popup.show .newsletter-popup__content {
  transform: scale(1);
}

.newsletter-popup__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  width: 2.5rem;
  height: 2.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.newsletter-popup__close:hover {
  background: var(--error);
  color: white;
  transform: rotate(90deg);
  border-color: transparent;
}

/* Adatta il form di Mailchimp per il popup */
#mc_embed_signup_popup {
  background: transparent;
  width: 100%;
  max-width: 100%;
  margin: 0;
  text-align: center;
  font-family: inherit;
}