/* =====================================================
   SYNAPTICA SOLUTIONS - CSS CONSOLIDATO MOBILE-FIRST
   Tutti gli stili centralizzati - Mai CSS inline
   ===================================================== */

/* =====================================================
   CSS VARIABLES & RESET
   ===================================================== */

:root {
  /* Colors - Schema scuro con primary #007acc */
  --primary-color: #007acc;
  --primary-dark: #005fa3;
  --primary-light: #4da6db;
  --secondary-color: #00c851;
  --accent-color: #ff6b35;
  --text-light: rgba(255, 255, 255, 0.95);
  --text-muted: rgba(255, 255, 255, 0.7);
  --text-dark: rgba(255, 255, 255, 0.5);
  --bg-body: #0a0a0a;
  --bg-section: rgba(255, 255, 255, 0.02);
  --bg-card: rgba(255, 255, 255, 0.08);
  --bg-card-hover: rgba(255, 255, 255, 0.12);
  --border-light: rgba(255, 255, 255, 0.15);
  --border-medium: rgba(255, 255, 255, 0.25);
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-medium: rgba(0, 0, 0, 0.3);
  --shadow-dark: rgba(0, 0, 0, 0.5);
  --error-color: #dc3545;
  --success-color: #28a745;
  --warning-color: #ffc107;
  --info-color: #17a2b8;
  
  /* Spacing - Mobile-first */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;
  --spacing-xxxl: 6rem;
  
  /* Typography - Segoe UI system fonts */
  --font-primary: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  --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-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-black: 900;
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  /* Transitions & Animations */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.25s ease-out;
  --transition-slow: 0.4s ease-out;
  --transition-bounce: 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  /* Borders & Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 50%;
  --border-width: 1px;
  --border-width-thick: 2px;
  
  /* Z-index layers */
  --z-dropdown: 1000;
  --z-sticky: 1010;
  --z-modal: 1020;
  --z-popup: 1030;
  --z-cookie: 9999;
  
  /* Breakpoints per media queries */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  height: 100%;
}

body {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-normal);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--text-light);
  background-color: var(--bg-body);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100%;
}

/* =====================================================
   PARTICLES BACKGROUND
   ===================================================== */

#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(135deg, #001f3f 0%, #003366 50%, #001a33 100%);
  background-attachment: fixed;
}

/* Fallback gradient se particles.js non carica */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #001f3f 0%, #003366 50%, #001a33 100%);
  z-index: -2;
}

/* =====================================================
   LAYOUT & CONTAINERS
   ===================================================== */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--spacing-md);
}

.container-sm {
  max-width: 640px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-lg {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* =====================================================
   HEADER & NAVIGATION
   ===================================================== */

.site-header {
  background: rgba(0, 31, 63, 0.95);
  backdrop-filter: blur(15px);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  border-bottom: var(--border-width) solid var(--border-light);
  box-shadow: 0 2px 20px var(--shadow-medium);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  min-height: 64px;
}

.logo {
  height: 40px;
  width: auto;
  transition: transform var(--transition-fast);
}

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

.menu-toggle {
  display: block;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  width: 48px;
  height: 48px;
  position: relative;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.menu-toggle:hover {
  background: var(--bg-card);
  color: var(--primary-color);
}

.menu-toggle:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.menu-toggle[aria-expanded="true"] {
  background: var(--primary-color);
  color: white;
}

/* HAMBURGER LINES - ERANO MANCANTI! */
.hamburger-line {
  display: block;
  width: 24px;
  height: 3px;
  background-color: var(--text-light);
  margin: 3px 0;
  transition: all var(--transition-fast);
  border-radius: var(--radius-xs);
}

.menu-toggle:hover .hamburger-line {
  background-color: var(--primary-color);
}

.menu-toggle[aria-expanded="true"] .hamburger-line {
  background-color: white;
}

/* Animazione hamburger -> X */
.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: rotate(-45deg) translate(-6px, 6px);
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: rotate(45deg) translate(-6px, -6px);
}

.main-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(0, 31, 63, 0.98);
  border-bottom: var(--border-width) solid var(--border-light);
  box-shadow: 0 4px 20px var(--shadow-medium);
  z-index: var(--z-dropdown);
}

.main-nav.is-open {
  display: block;
  animation: slideDown var(--transition-normal);
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.nav-list {
  list-style: none;
  padding: var(--spacing-sm) 0;
  margin: 0;
}

.nav-list li {
  margin: 0;
}

.nav-list a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--text-light);
  text-decoration: none;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
  font-weight: var(--font-weight-medium);
}

.nav-list a:hover,
.nav-list a:focus {
  background: var(--bg-card);
  color: var(--primary-color);
  border-left-color: var(--primary-color);
}

.nav-list a[aria-current="page"] {
  background: var(--primary-color);
  color: white;
  border-left-color: var(--secondary-color);
}

/* Desktop Navigation */
@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
  
  .main-nav {
    display: block;
    position: static;
    background: transparent;
    border: none;
    box-shadow: none;
  }
  
  .nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0;
  }
  
  .nav-list a {
    padding: var(--spacing-sm) var(--spacing-md);
    border-left: none;
    border-radius: var(--radius-sm);
  }
}

/* =====================================================
   BREADCRUMBS
   ===================================================== */

.breadcrumbs {
  background: var(--bg-section);
  padding: var(--spacing-sm) 0;
  border-bottom: var(--border-width) solid var(--border-light);
}

.breadcrumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
}

.breadcrumbs li {
  display: flex;
  align-items: center;
}

.breadcrumbs li:not(:last-child)::after {
  content: '›';
  margin-left: var(--spacing-xs);
  color: var(--text-muted);
  font-weight: var(--font-weight-bold);
}

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

.breadcrumbs a:hover {
  color: var(--primary-light);
  text-decoration: underline;
}

.breadcrumbs li:last-child {
  color: var(--text-muted);
}

/* =====================================================
   MAIN CONTENT SECTIONS
   ===================================================== */

main {
  flex: 1;
  position: relative;
}

section {
  padding: var(--spacing-xl) 0;
  position: relative;
}

.hero {
  padding: var(--spacing-xxl) 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(0, 31, 63, 0.9) 0%, rgba(0, 122, 204, 0.1) 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 122, 204, 0.1) 0%, transparent 50%);
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
  line-height: var(--line-height-tight);
  color: var(--text-light);
}

.hero p {
  font-size: clamp(var(--font-size-lg), 2vw, var(--font-size-xl));
  margin-bottom: var(--spacing-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-muted);
  line-height: var(--line-height-relaxed);
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  align-items: center;
}

/* =====================================================
   TYPOGRAPHY
   ===================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
}

h2 {
  font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
  color: var(--primary-color);
}

h3 {
  font-size: clamp(var(--font-size-xl), 2vw, var(--font-size-2xl));
}

h4 {
  font-size: var(--font-size-lg);
  color: var(--primary-light);
}

h5 {
  font-size: var(--font-size-base);
}

h6 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

p {
  margin-bottom: var(--spacing-md);
  color: var(--text-muted);
  line-height: var(--line-height-relaxed);
}

strong {
  font-weight: var(--font-weight-bold);
  color: var(--text-light);
}

em {
  font-style: italic;
  color: var(--text-light);
}

small {
  font-size: var(--font-size-sm);
  color: var(--text-dark);
}

/* Liste */
ul, ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-muted);
  line-height: var(--line-height-relaxed);
}

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

a:hover, a:focus {
  color: var(--primary-light);
  text-decoration: underline;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  background: var(--primary-color);
  color: white;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--transition-normal);
  text-align: center;
  min-height: 48px;
  min-width: 120px;
  gap: var(--spacing-xs);
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn:hover,
.btn:focus {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 122, 204, 0.4);
}

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

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  background: transparent;
  border: var(--border-width-thick) solid var(--primary-color);
  color: var(--primary-color);
}

.btn-secondary:hover,
.btn-secondary:focus {
  background: var(--primary-color);
  color: white;
}

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

.btn-success:hover {
  background: #218838;
}

.btn-danger {
  background: var(--error-color);
}

.btn-danger:hover {
  background: #c82333;
}

.btn-warning {
  background: var(--warning-color);
  color: #212529;
}

.btn-warning:hover {
  background: #e0a800;
}

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

.btn-info:hover {
  background: #138496;
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-lg);
  min-height: 56px;
  border-radius: var(--radius-md);
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
  min-height: 40px;
  min-width: 100px;
}

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

.btn-ghost:hover {
  background: var(--bg-card);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-whatsapp {
  background: #25d366;
  color: white;
}

.btn-whatsapp:hover {
  background: #20b958;
}

.btn-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
}

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

.form-container {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  margin: var(--spacing-lg) 0;
  box-shadow: 0 4px 20px var(--shadow-medium);
}

.form-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.form-header h2 {
  margin-bottom: var(--spacing-sm);
}

.form-header p {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
  color: var(--text-light);
  font-size: var(--font-size-sm);
}

.form-group label .required {
  color: var(--error-color);
  margin-left: 2px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: var(--spacing-sm);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-light);
  font-size: var(--font-size-base);
  font-family: var(--font-primary);
  transition: all var(--transition-normal);
  min-height: 48px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  background: rgba(255, 255, 255, 0.1);
  box-shadow: 0 0 0 3px rgba(0, 122, 204, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-dark);
  opacity: 1;
}

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

.form-group select {
  cursor: pointer;
}

.form-group input[type="checkbox"],
.form-group input[type="radio"] {
  width: auto;
  margin-right: var(--spacing-xs);
  min-height: auto;
}

.form-error {
  color: var(--error-color);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
  display: none;
}

.form-error.show {
  display: block;
}

.form-group.error input,
.form-group.error textarea,
.form-group.error select {
  border-color: var(--error-color);
  background: rgba(220, 53, 69, 0.1);
}

.form-success {
  color: var(--success-color);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

/* Aggiungi queste classi alla sezione FORMS in style.css */

.form-feedback {
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-md);
  display: none;
  text-align: center;
}

.form-feedback.success {
  background: linear-gradient(135deg, rgba(40, 167, 69, 0.1), rgba(40, 167, 69, 0.05));
  border: 2px solid var(--success-color);
}

.form-feedback.error {
  background: linear-gradient(135deg, rgba(220, 53, 69, 0.1), rgba(220, 53, 69, 0.05));
  border: 2px solid var(--error-color);
}

.form-feedback.show {
  display: block;
  animation: slideIn 0.3s ease-out;
}

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

.success-content h3 {
  color: var(--success-color);
  margin-bottom: var(--spacing-sm);
}

.error-content h3 {
  color: var(--error-color);
  margin-bottom: var(--spacing-sm);
}

.success-actions,
.error-actions {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

.btn-loading {
  color: var(--text-light);
}

/* Stato di caricamento del button */
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Responsive per le azioni */
@media (max-width: 768px) {
  .success-actions,
  .error-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .success-actions .btn,
  .error-actions .btn {
    width: 100%;
    max-width: 300px;
  }
}
/* =====================================================
   GRIDS & LAYOUT COMPONENTS
   ===================================================== */

.grid {
  display: grid;
  gap: var(--spacing-md);
}

.grid-auto {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

.grid-4 {
  grid-template-columns: 1fr;
}

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

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

.flex-between {
  justify-content: space-between;
  align-items: center;
}

.flex-column {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

/* =====================================================
   CARDS & COMPONENTS
   ===================================================== */

.card {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.card:hover::before {
  transform: scaleX(1);
}

.card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  border-color: var(--primary-color);
  box-shadow: 0 12px 40px var(--shadow-medium);
}

.card-header {
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: var(--border-width) solid var(--border-light);
}

.card-title {
  margin-bottom: var(--spacing-sm);
  color: var(--primary-color);
}

.card-subtitle {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.card-body {
  margin-bottom: var(--spacing-md);
}

.card-footer {
  padding-top: var(--spacing-md);
  border-top: var(--border-width) solid var(--border-light);
}

.card-primary {
  border-color: var(--primary-color);
  background: rgba(0, 122, 204, 0.05);
}

.card-success {
  border-color: var(--success-color);
  background: rgba(40, 167, 69, 0.05);
}

.card-warning {
  border-color: var(--warning-color);
  background: rgba(255, 193, 7, 0.05);
}

.card-info {
  border-color: var(--info-color);
  background: rgba(23, 162, 184, 0.05);
}

/* =====================================================
   SPECIALIZED COMPONENTS
   ===================================================== */

/* FAQ */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.faq-item {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.faq-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary-color);
  transform: translateY(-2px);
}

.faq-question {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.faq-question::after {
  content: '+';
  font-size: var(--font-size-xl);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  color: var(--text-muted);
  line-height: var(--line-height-relaxed);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

/* Statistics */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.stat-item {
  text-align: center;
  padding: var(--spacing-lg);
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: var(--border-width) solid var(--border-light);
  transition: all var(--transition-normal);
}

.stat-item:hover {
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  border-color: var(--primary-color);
}

.stat-number {
  display: block;
  font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-4xl));
  font-weight: var(--font-weight-black);
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
  line-height: 1;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  font-weight: var(--font-weight-medium);
}

/* Features */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.feature-item:hover {
  background: var(--bg-card-hover);
  transform: translateY(-2px);
  border-color: var(--primary-color);
}

.feature-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: var(--primary-color);
  color: white;
  border-radius: var(--radius-md);
  flex-shrink: 0;
}

.feature-content {
  flex: 1;
}

.feature-title {
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-semibold);
}

.feature-description {
  color: var(--text-muted);
  line-height: var(--line-height-relaxed);
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.testimonial-item {
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  position: relative;
  transition: all var(--transition-normal);
}

.testimonial-item::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 20px;
  font-size: 4rem;
  color: var(--primary-color);
  opacity: 0.3;
}

.testimonial-item:hover {
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  border-color: var(--primary-color);
}

.testimonial-text {
  font-style: italic;
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.testimonial-name {
  font-weight: var(--font-weight-semibold);
  color: var(--primary-color);
}

.testimonial-role {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* Screenshots Gallery */
.screenshots-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.screenshot {
  text-align: center;
  background: var(--bg-card);
  border: var(--border-width) solid var(--border-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  transition: all var(--transition-normal);
}

.screenshot:hover {
  background: var(--bg-card-hover);
  transform: translateY(-3px);
  border-color: var(--primary-color);
}

.screenshot img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 32px var(--shadow-medium);
  transition: transform var(--transition-normal);
}

.screenshot img:hover {
  transform: scale(1.02);
}

.screenshot-caption {
  margin-top: var(--spacing-md);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* Project Logos */
.project-logo {
  max-width: 400px;
  width: 100%;
  height: auto;
  margin: var(--spacing-xl) auto;
  display: block;
}

.section-logo {
  max-width: 300px;
  width: 100%;
  height: auto;
  margin: var(--spacing-lg) auto;
  display: block;
}

/* =====================================================
   WHATSAPP POPUP
   ===================================================== */

.whatsapp-popup {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: var(--z-popup);
  max-width: 340px;
  width: 90%;
  box-shadow: 0 12px 48px var(--shadow-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  animation: slideInUp 0.4s var(--transition-bounce);
  font-family: var(--font-primary);
}

@keyframes slideInUp {
  from {
    transform: translateY(100px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.whatsapp-popup-content {
  background: white;
  border: var(--border-width) solid #e0e0e0;
  position: relative;
}

.whatsapp-popup-close {
  position: absolute;
  top: 8px;
  right: 12px;
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: rgba(255, 255, 255, 0.7);
  z-index: 1;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.whatsapp-popup-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.whatsapp-popup-header {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  background: #25d366;
  color: white;
  gap: var(--spacing-sm);
  position: relative;
}

.whatsapp-avatar {
  position: relative;
}

.whatsapp-avatar img {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.whatsapp-text {
  flex: 1;
}

.whatsapp-text h4 {
  margin: 0 0 4px 0;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

.whatsapp-text p {
  margin: 0;
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.whatsapp-status {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: var(--font-size-xs);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: #00ff00;
  border-radius: var(--radius-full);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { opacity: 1; }
  50% { opacity: 0.5; }
  100% { opacity: 1; }
}

.whatsapp-popup-body {
  padding: var(--spacing-md);
  background: #f0f0f0;
}

.whatsapp-message {
  background: white;
  padding: var(--spacing-sm);
  border-radius: var(--radius-md);
  border: var(--border-width) solid #e0e0e0;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.whatsapp-message::before {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 16px;
  width: 0;
  height: 0;
  border-left: 8px solid transparent;
  border-right: 8px solid transparent;
  border-top: 8px solid white;
}

.whatsapp-message p {
  margin: 0;
  color: #333;
  font-size: var(--font-size-sm);
}

.whatsapp-popup-footer {
  padding: var(--spacing-md);
  background: #f0f0f0;
  border-top: var(--border-width) solid #e0e0e0;
}

.whatsapp-popup-footer .btn {
  width: 100%;
  justify-content: center;
  gap: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
}

.whatsapp-icon {
  font-size: var(--font-size-lg);
}

/* Badge "sempre attivi" */
.always-on-badge {
  background: var(--success-color);
  color: #fff;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-xl);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Toggle switch styling */
.toggle-switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: var(--transition-normal);
  border-radius: 24px;
}

.slider:hover {
  background-color: #bbb;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-normal);
  border-radius: var(--radius-full);
  box-shadow: 0 2px 4px var(--shadow-light);
}

input:checked + .slider {
  background-color: var(--primary-color);
}

input:checked + .slider:hover {
  background-color: var(--primary-dark);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

input:focus + .slider {
  box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.3);
}

/* Pulsanti di azione */
.cookie-actions {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: var(--border-width) solid var(--border-light);
}

.cookie-actions .btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  min-width: 140px;
  justify-content: center;
}

.cookie-actions .btn-primary {
  background: var(--primary-color);
  color: #fff;
}

.cookie-actions .btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 8px var(--shadow-medium);
}

.cookie-actions .btn-success {
  background: var(--success-color);
  color: #fff;
}

.cookie-actions .btn-success:hover {
  background: #218838;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px var(--shadow-medium);
}

.cookie-actions .btn-secondary {
  background: #6c757d;
  color: #fff;
}

.cookie-actions .btn-secondary:hover {
  background: #5a6268;
  transform: translateY(-1px);
  box-shadow: 0 4px 8px var(--shadow-medium);
}

/* Link alla policy completa */
.cookie-policy-link {
  color: var(--primary-color);
  text-decoration: none;
  font-size: var(--font-size-sm);
  margin-left: auto;
  transition: color var(--transition-fast);
}

.cookie-policy-link:hover {
  text-decoration: underline;
  color: var(--primary-light);
}

/* Pulsanti legacy per compatibilità (se ancora usati) */
.cookie-buttons {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  justify-content: center;
}

.cookie-buttons .btn {
  flex: 1;
  min-width: 120px;
  font-size: var(--font-size-sm);
}

/* =====================================================
   RESPONSIVE DESIGN - COOKIE BANNER
   ===================================================== */

/* Tablet */
@media (max-width: 1024px) {
  .cookie-banner {
    padding: var(--spacing-md);
  }
  
  .cookie-control-row {
    padding: var(--spacing-sm);
  }
}

/* Mobile */
@media (max-width: 768px) {
  .cookie-banner {
    padding: var(--spacing-sm);
    position: fixed;
    bottom: 0;
    max-height: 90vh;
    overflow-y: auto;
  }
  
  .cookie-header {
    flex-direction: row;
    align-items: center;
    margin-bottom: var(--spacing-sm);
  }
  
  .cookie-header h3 {
    font-size: var(--font-size-lg);
  }
  
  .cookie-controls-detailed {
    gap: var(--spacing-sm);
  }
  
  .cookie-control-row {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
  }
  
  .cookie-toggle {
    align-self: flex-end;
  }
  
  .cookie-actions {
    flex-direction: column;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
  }
  
  .cookie-actions .btn {
    width: 100%;
    text-align: center;
    min-width: unset;
  }
  
  .cookie-policy-link {
    margin-left: 0;
    text-align: center;
    margin-top: var(--spacing-sm);
  }
}

/* Mobile piccolo */
@media (max-width: 480px) {
  .cookie-banner {
    padding: var(--spacing-xs);
  }
  
  .cookie-content {
    padding: 0;
  }
  
  .cookie-control-row {
    padding: var(--spacing-xs);
  }
  
  .cookie-info h4 {
    font-size: var(--font-size-sm);
  }
  
  .cookie-info p {
    font-size: var(--font-size-xs);
  }
}

/* Accessibilità */
@media (prefers-reduced-motion: reduce) {
  .cookie-banner,
  .cookie-close,
  .slider,
  .slider:before,
  .cookie-actions .btn {
    transition: none;
  }
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .cookie-banner {
    border-top: var(--border-width-thick) solid #fff;
  }
  
  .cookie-control-row {
    border: var(--border-width-thick) solid #fff;
  }
  
  .slider {
    border: var(--border-width) solid #fff;
  }
}

/* =====================================================
   FOOTER
   ===================================================== */

.site-footer {
  background: rgba(0, 31, 63, 0.95);
  border-top: var(--border-width) solid var(--border-light);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
  margin-top: var(--spacing-xxxl);
}

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

.footer-section h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  font-size: var(--font-size-lg);
}

.footer-section h4 {
  color: var(--text-light);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
}

.footer-section ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-section li {
  margin-bottom: var(--spacing-xs);
}

.footer-section a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
  font-size: var(--font-size-sm);
}

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

.footer-section p {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: var(--border-width) solid var(--border-light);
  color: var(--text-dark);
  font-size: var(--font-size-sm);
}

/* =====================================================
   STYLED LOGOS COMPONENT
   ===================================================== */

.styled-logos {
  position: relative;
  display: inline-block;
  margin: var(--spacing-lg) 0;
}

.styled-logos.align-center {
  display: flex;
  justify-content: center;
}

.styled-logos.align-left {
  display: flex;
  justify-content: flex-start;
}

.styled-logos.align-right {
  display: flex;
  justify-content: flex-end;
}

.size-small .main-logo {
  width: 80px;
  height: 80px;
}

.size-medium .main-logo {
  width: 120px;
  height: 120px;
}

.size-large .main-logo {
  width: 160px;
  height: 160px;
}

.main-logo {
  position: relative;
  z-index: 2;
}

.logo-circle {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 30px var(--shadow-dark);
  transition: all var(--transition-normal);
}

.logo-circle:hover {
  transform: scale(1.05);
  box-shadow: 0 15px 40px var(--shadow-dark);
}

.gradient-healthcare {
  background: linear-gradient(135deg, #60a5fa 0%, #34d399 100%);
}

.gradient-finance {
  background: linear-gradient(135deg, #34d399 0%, #3b82f6 100%);
}

.gradient-manufacturing {
  background: linear-gradient(135deg, #fb923c 0%, #ef4444 100%);
}

.gradient-tech {
  background: linear-gradient(135deg, #a78bfa 0%, #3b82f6 100%);
}

.gradient-process {
  background: linear-gradient(135deg, #22d3ee 0%, #3b82f6 100%);
}

.gradient-ai {
  background: linear-gradient(135deg, #f472b6 0%, #8b5cf6 100%);
}

.logo-icon {
  font-size: 3rem;
  animation: float 3s ease-in-out infinite;
}

.size-small .logo-icon {
  font-size: 2rem;
}

.size-large .logo-icon {
  font-size: 4rem;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.orbiting-symbols {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  animation: rotate 20s linear infinite;
}

.symbol {
  position: absolute;
  width: 30px;
  height: 30px;
  background: var(--bg-card);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 4px 12px var(--shadow-medium);
  transition: all var(--transition-fast);
}

.symbol:hover {
  transform: scale(1.2);
  background: var(--primary-color);
}

.symbol-1 { top: 0; left: 50%; transform: translate(-50%, -50%); }
.symbol-2 { top: 50%; right: 0; transform: translate(50%, -50%); }
.symbol-3 { bottom: 0; left: 50%; transform: translate(-50%, 50%); }
.symbol-4 { top: 50%; left: 0; transform: translate(-50%, -50%); }

@keyframes rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.decorative-elements {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.pulse-ring {
  width: 200px;
  height: 200px;
  border: 2px solid var(--primary-color);
  border-radius: var(--radius-full);
  opacity: 0.3;
  animation: pulse-ring 3s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.8);
    opacity: 0.3;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.1;
  }
  100% {
    transform: scale(1.4);
    opacity: 0;
  }
}

.glow-effect {
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, var(--primary-color) 0%, transparent 70%);
  border-radius: var(--radius-full);
  opacity: 0.2;
  animation: glow 4s ease-in-out infinite alternate;
}

@keyframes glow {
  0% { opacity: 0.2; transform: scale(1); }
  100% { opacity: 0.4; transform: scale(1.1); }
}

/* =====================================================
   ACCESSIBILITY
   ===================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: var(--radius-sm);
  z-index: var(--z-modal);
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 6px;
}

/* Focus styles */
*:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: -2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  :root {
    --text-light: #ffffff;
    --text-muted: #cccccc;
    --border-light: rgba(255, 255, 255, 0.3);
    --bg-card: rgba(255, 255, 255, 0.1);
  }
}

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

/* =====================================================
   RESPONSIVE DESIGN - Mobile First
   ===================================================== */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  .hero-buttons {
    flex-direction: row;
    justify-content: center;
  }
  
  .cookie-buttons {
    justify-content: flex-start;
  }
  
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
  
  .menu-toggle {
    display: none;
  }
  
  .main-nav {
    display: block;
    position: static;
    background: transparent;
    border: none;
    box-shadow: none;
  }
  
  .nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: 0;
  }
  
  .nav-list a {
    padding: var(--spacing-sm) var(--spacing-md);
    border-left: none;
    border-radius: var(--radius-sm);
  }
  
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
  
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .faq-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .testimonials-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .screenshots-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .whatsapp-popup {
    max-width: 360px;
    width: auto;
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
  
  .hero {
    padding: var(--spacing-xxxl) 0;
  }
  
  .grid-4 {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .testimonials-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .screenshots-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .footer-content {
    grid-template-columns: 2fr 1fr 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
  
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .screenshots-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* =====================================================
   PRINT STYLES
   ===================================================== */

@media print {
  * {
    background: transparent !important;
    color: black !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  body {
    font-size: 12pt;
    line-height: 1.5;
  }
  
  .site-header,
  .site-footer,
  .cookie-banner,
  .whatsapp-popup,
  .btn,
  .nav-list {
    display: none !important;
  }
  
  .container {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  
  h1, h2, h3, h4, h5, h6 {
    page-break-after: avoid;
  }
  
  .card {
    border: 1px solid #ddd !important;
    page-break-inside: avoid;
  }
  
  a[href^="http"]:after {
    content: " (" attr(href) ")";
  }
}

/* =====================================================
   LOADING STATES
   ===================================================== */

.loading {
  position: relative;
  color: transparent;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--border-light);
  border-top: 2px solid var(--primary-color);
  border-radius: var(--radius-full);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* =====================================================
   UTILITY CLASSES
   ===================================================== */

/* Spacing */
.m-0 { margin: 0 !important; }
.p-0 { padding: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.pt-1 { padding-top: var(--spacing-xs) !important; }
.pb-1 { padding-bottom: var(--spacing-xs) !important; }

/* Text alignment */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

/* Display */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-grid { display: grid !important; }

/* Colors */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-light { color: var(--text-light) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--error-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-info { color: var(--info-color) !important; }

/* Background colors */
.bg-primary { background-color: var(--primary-color) !important; }
.bg-secondary { background-color: var(--secondary-color) !important; }
.bg-card { background-color: var(--bg-card) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-danger { background-color: var(--error-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-info { background-color: var(--info-color) !important; }

/* Borders */
.border { border: var(--border-width) solid var(--border-light) !important; }
.border-primary { border-color: var(--primary-color) !important; }
.border-secondary { border-color: var(--secondary-color) !important; }
.border-success { border-color: var(--success-color) !important; }
.border-danger { border-color: var(--error-color) !important; }
.border-warning { border-color: var(--warning-color) !important; }
.border-info { border-color: var(--info-color) !important; }

/* Rounded corners */
.rounded { border-radius: var(--radius-sm) !important; }
.rounded-md { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-full { border-radius: var(--radius-full) !important; }

/* Shadows */
.shadow-sm { box-shadow: 0 2px 8px var(--shadow-light) !important; }
.shadow { box-shadow: 0 4px 16px var(--shadow-medium) !important; }
.shadow-lg { box-shadow: 0 8px 32px var(--shadow-dark) !important; }

/* Position */
.position-relative { position: relative !important; }
.position-absolute { position: absolute !important; }
.position-fixed { position: fixed !important; }
.position-sticky { position: sticky !important; }

/* Overflow */
.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }
.overflow-scroll { overflow: scroll !important; }

/* Width & Height */
.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }
.mw-100 { max-width: 100% !important; }
.mh-100 { max-height: 100% !important; }

/* Flexbox utilities */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.justify-start { justify-content: flex-start !important; }
.justify-end { justify-content: flex-end !important; }
.justify-center { justify-content: center !important; }
.justify-between { justify-content: space-between !important; }
.justify-around { justify-content: space-around !important; }
.align-start { align-items: flex-start !important; }
.align-end { align-items: flex-end !important; }
.align-center { align-items: center !important; }
.align-baseline { align-items: baseline !important; }
.align-stretch { align-items: stretch !important; }

/* Grid utilities */
.grid-gap-1 { gap: var(--spacing-xs) !important; }
.grid-gap-2 { gap: var(--spacing-sm) !important; }
.grid-gap-3 { gap: var(--spacing-md) !important; }
.grid-gap-4 { gap: var(--spacing-lg) !important; }
.grid-gap-5 { gap: var(--spacing-xl) !important; }

/* =====================================================
   ERROR 404 PAGE
   ===================================================== */

.error-404 {
  padding: var(--spacing-lg) 0 var(--spacing-xxxl);
  background: linear-gradient(135deg, rgba(0, 122, 204, 0.05) 0%, rgba(51, 51, 51, 0.05) 100%);
  min-height: 80vh;
}

.error-header {
  text-align: center;
  margin-bottom: var(--spacing-xxxl);
  padding: var(--spacing-xl);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
}

.error-code {
  margin: var(--spacing-lg) 0;
}

.error-code h1 {
  font-size: 8rem;
  font-weight: var(--font-weight-black);
  color: var(--primary-color);
  margin: 0;
  text-shadow: 0 0 30px rgba(0, 122, 204, 0.3);
  letter-spacing: -0.1em;
}

.error-subtitle {
  font-size: var(--font-size-3xl);
  color: var(--text-light);
  margin: var(--spacing-sm) 0 var(--spacing-md);
  font-weight: var(--font-weight-semibold);
}

.error-description {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: var(--line-height-relaxed);
}

.suggested-pages {
  margin-bottom: var(--spacing-xxxl);
}

.suggested-pages h2 {
  color: var(--primary-color);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
  text-align: center;
}

.section-intro {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.pages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.page-card {
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border: var(--border-width) solid var(--border-light);
  text-decoration: none;
  color: inherit;
  transition: all var(--transition-normal);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, rgba(0, 122, 204, 0.1) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.page-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 122, 204, 0.2);
}

.page-card:hover::before {
  opacity: 1;
}

.page-icon {
  font-size: var(--font-size-5xl);
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

.page-card h3 {
  color: var(--primary-color);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

.page-card p {
  color: var(--text-muted);
  line-height: var(--line-height-normal);
  margin-bottom: var(--spacing-sm);
  position: relative;
  z-index: 1;
}

.page-link {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  position: relative;
  z-index: 1;
}

.quick-actions {
  margin-bottom: var(--spacing-xxxl);
  text-align: center;
}

.quick-actions h2 {
  color: var(--primary-color);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
}

.actions-grid {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.btn-large {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  transition: all var(--transition-normal);
  display: inline-block;
}

.btn-outline {
  background: transparent;
  border: var(--border-width-thick) solid var(--primary-color);
  color: var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: #fff;
}

.help-section {
  margin-bottom: var(--spacing-xxxl);
}

.help-section h2 {
  color: var(--primary-color);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
  text-align: center;
}

.faq-404 {
  display: grid;
  gap: var(--spacing-sm);
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: var(--border-width) solid var(--border-light);
  transition: all var(--transition-normal);
}

.faq-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color);
}

.faq-question {
  background: rgba(0, 122, 204, 0.1);
  padding: var(--spacing-sm);
  margin: 0;
  color: var(--primary-color);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: background-color var(--transition-fast);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question:hover {
  background: rgba(0, 122, 204, 0.2);
}

.faq-answer {
  padding: var(--spacing-sm);
}

.faq-answer p {
  margin: 0;
  line-height: var(--line-height-relaxed);
  color: var(--text-muted);
}

.direct-contact {
  margin-bottom: var(--spacing-xxxl);
  background: rgba(255, 255, 255, 0.05);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border: var(--border-width) solid var(--border-light);
  text-align: center;
}

.direct-contact h2 {
  color: var(--primary-color);
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-sm);
}

.direct-contact p {
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
}

.contact-cta {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: var(--border-width) solid var(--border-light);
}

.cta-text {
  font-size: var(--font-size-lg);
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

.company-highlight {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
}

.error-footer {
  border-top: var(--border-width) solid var(--border-light);
  padding-top: var(--spacing-lg);
  text-align: center;
}

.footer-content {
  max-width: 600px;
  margin: 0 auto;
}

.company-info {
  color: var(--text-muted);
  margin-bottom: var(--spacing-md);
  line-height: var(--line-height-relaxed);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

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

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

/* Responsive Design 404 */
@media (max-width: 768px) {
  .error-code h1 {
    font-size: 5rem;
  }
  
  .error-subtitle {
    font-size: var(--font-size-xl);
  }
  
  .pages-grid {
    grid-template-columns: 1fr;
  }
  
  .actions-grid {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-large {
    width: 100%;
    max-width: 300px;
  }
  
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .direct-contact {
    padding: var(--spacing-sm);
  }
}

/* Accessibilità 404 */
@media (prefers-reduced-motion: reduce) {
  .page-card,
  .btn-large,
  .faq-item {
    transition: none;
  }
  
  .page-card:hover {
    transform: none;
  }
}

/* High contrast mode 404 */
@media (prefers-contrast: high) {
  .page-card,
  .faq-item,
  .direct-contact {
    border: var(--border-width-thick) solid #fff;
  }
}

/* ===== COOKIE BANNER GDPR - CLASSI MANCANTI ===== */
/* ===== COOKIE BANNER GDPR - VERSIONE CORRETTA ===== */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  z-index: 10000;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-top: 2px solid var(--primary-color);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
}

.cookie-banner.show {
  display: block !important; /* Forza la visualizzazione */
  transform: translateY(0) !important;
}

.cookie-banner.hide {
  transform: translateY(100%) !important;
}

/* Resto del CSS cookie banner che hai già... */
.cookie-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
  color: white;
}

.cookie-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.cookie-header h3 {
  margin: 0;
  color: var(--primary-color);
  font-size: 1.2rem;
}

.cookie-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: background-color 0.3s ease;
}

.cookie-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.cookie-controls-detailed {
  margin: 1rem 0;
}

.cookie-control-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.cookie-info h4 {
  margin: 0 0 0.3rem 0;
  color: white;
  font-size: 1rem;
}

.cookie-info p {
  margin: 0;
  color: #ccc;
  font-size: 0.9rem;
}

.cookie-toggle {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.cookie-toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  transition: 0.4s;
  border-radius: 34px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: 0.4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary-color);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.cookie-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.cookie-policy-link {
  color: var(--primary-color);
  text-decoration: underline;
  font-size: 0.9rem;
}

/* Responsive Cookie Banner */
@media (max-width: 768px) {
  .cookie-content {
    padding: 1rem;
  }
  
  .cookie-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .cookie-control-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }
  
  .cookie-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cookie-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* =====================================================
   FORM COMPONENTS - ESTENSIONI PER CONTACTFORM
   ===================================================== */

.form-help {
  color: var(--text-dark);
  font-size: var(--font-size-xs);
  margin-top: var(--spacing-xs);
  font-style: italic;
}

.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-width: 18px;
  margin: 0;
  cursor: pointer;
  accent-color: var(--primary-color);
}

.checkbox-text {
  color: var(--text-light);
}

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

.checkbox-text a:hover {
  color: var(--text-light);
}

.gdpr-info {
  background: rgba(0, 122, 204, 0.1);
  border: 1px solid var(--primary-color);
  border-radius: var(--radius-sm);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.gdpr-info p {
  margin: 0;
  color: var(--text-light);
  font-size: var(--font-size-sm);
}

.btn-loading {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.success-details,
.error-details {
  margin: var(--spacing-md) 0;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
}

.success-details ul,
.error-details ul {
  margin: var(--spacing-sm) 0 0 0;
  padding-left: var(--spacing-md);
}

.success-details li,
.error-details li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-light);
}

.success-actions,
.error-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-md);
  flex-wrap: wrap;
}

/* Form feedback animations */
.form-feedback {
  transform: translateY(-10px);
  opacity: 0;
  transition: all 0.3s ease-out;
}

.form-feedback.show {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive form improvements */
@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .success-actions,
  .error-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .success-actions .btn,
  .error-actions .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .checkbox-label {
    font-size: var(--font-size-xs);
  }
}

/* Accessibilità migliorata */
.form-group.error input,
.form-group.error textarea,
.form-group.error select {
  border-color: var(--error-color);
  box-shadow: 0 0 0 2px rgba(220, 53, 69, 0.2);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(0, 122, 204, 0.1);
}

/* Loading state per form */
.contact-form-async[style*="opacity: 0.7"] {
  pointer-events: none;
  transition: opacity 0.3s ease;
}