/* ---------------------------------------------------------
   Gescuola CSS - Modern, Responsive & Fully Accessible
   --------------------------------------------------------- */

:root {
  /* Design Tokens (Color Palette) */
  --bg-primary: #0b0f19;
  --bg-secondary: #161d30;
  --bg-card: rgba(22, 29, 48, 0.7);
  --border-color: rgba(255, 255, 255, 0.08);
  
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --primary: #6366f1; /* Indigo */
  --primary-hover: #4f46e5;
  --accent: #10b981; /* Emerald/Turquoise */
  --accent-light: rgba(16, 185, 129, 0.1);
  --error: #ef4444;

  --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius: 12px;
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessibilità: Skip Link */
.skip-link {
  position: absolute !important;
  clip-path: inset(50%) !important;
  overflow: hidden !important;
  width: 1px !important;
  height: 1px !important;
  margin: -1px !important;
  padding: 0 !important;
  border: 0 !important;
  white-space: nowrap !important;
  background-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
  z-index: 9999;
  text-decoration: none;
}

.skip-link:focus-visible {
  clip-path: none !important;
  width: auto !important;
  height: auto !important;
  margin: 0 !important;
  padding: 1rem 1.5rem !important;
  position: fixed !important;
  top: 1rem;
  left: 1rem;
  border-radius: var(--border-radius);
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

/* Focus Indicator per l'Accessibilità */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* Layout Containers */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 720px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(11, 15, 25, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem 0;
}

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

.logo {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
}

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

.main-nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.main-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  font-size: 0.95rem;
  padding: 0.5rem 0;
  position: relative;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--text-primary);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.main-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background-color: var(--primary-hover);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

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

.btn-secondary:hover,
.btn-secondary:focus-visible {
  background-color: rgba(255, 255, 255, 0.05);
  border-color: var(--text-secondary);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  background-color: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.badge-accent {
  background-color: var(--accent-light);
  color: #6ee7b7;
  border-color: rgba(16, 185, 129, 0.3);
}

/* Hero Section */
.hero-section {
  padding: 6rem 0;
  position: relative;
  overflow: hidden;
}

.hero-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content h1 {
  font-family: var(--font-title);
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #ffffff 40%, #c7d2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
}

/* Hero Visual & Cards (Glassmorphism) */
.visual-card-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: relative;
}

.visual-card-wrapper::before {
  content: '';
  position: absolute;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0,0,0,0) 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  pointer-events: none;
}

.visual-card {
  background-color: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 1.25rem;
  align-items: center;
  transition: var(--transition);
}

.visual-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.15);
}

.card-accent-1 { border-left: 4px solid var(--primary); }
.card-accent-2 { border-left: 4px solid var(--accent); }
.card-accent-3 { border-left: 4px solid #f59e0b; }

.card-icon {
  font-size: 1.75rem;
  grid-row: span 2;
  background-color: rgba(255, 255, 255, 0.03);
  padding: 0.75rem;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-card h3 {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.visual-card p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Sections General */
section {
  padding: 5rem 0;
  border-top: 1px solid var(--border-color);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* Grid System */
.grid {
  display: grid;
  gap: 2rem;
}

.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.align-center { align-items: center; }

/* Feature Cards */
.feature-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 2.5rem 2rem;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  font-size: 2.25rem;
  margin-bottom: 1.5rem;
  display: inline-block;
}

.feature-card h3 {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Vertical / Focus Section */
.vertical-section {
  background-color: rgba(22, 29, 48, 0.2);
}

.vertical-content h2 {
  font-family: var(--font-title);
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.vertical-content .lead {
  font-size: 1.15rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.vertical-content p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Bullet List style */
.bullet-list {
  list-style: none;
}

.bullet-list li {
  position: relative;
  padding-left: 2rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  color: var(--text-primary);
}

.bullet-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
}

/* Glass Dashboard Mockup */
.glass-dashboard {
  background: linear-gradient(135deg, rgba(22, 29, 48, 0.8) 0%, rgba(11, 15, 25, 0.9) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.dashboard-header {
  background-color: rgba(255, 255, 255, 0.03);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-color);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.dashboard-title {
  margin-left: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-title);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dashboard-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.db-row {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.db-bar-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.db-bar-value {
  height: 8px;
  background-color: var(--primary);
  border-radius: 4px;
  font-size: 0; /* Nasconde testo */
  position: relative;
  box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.db-bar-value::after {
  content: attr(style); /* Visualizzazione dinamica se necessaria */
  display: none;
}

/* CTA Section */
.cta-section {
  padding: 8rem 0;
  background: radial-gradient(circle at top, rgba(99, 102, 241, 0.1) 0%, rgba(11, 15, 25, 0) 60%);
}

.cta-section h2 {
  font-family: var(--font-title);
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.cta-section .lead {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2.5rem;
}

.contact-info-block {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: var(--border-radius);
  display: inline-block;
}

.contact-info-block p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.email-cta {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

.email-cta:hover,
.email-cta:focus-visible {
  color: #34d399;
  text-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
}

/* Site Footer */
.site-footer {
  background-color: #060911;
  padding: 4rem 0 2rem;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3,
.footer-links h3,
.footer-legal h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
}

.footer-brand p,
.footer-legal p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition);
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--text-primary);
  padding-left: 5px;
}

.footer-legal a {
  color: var(--accent);
  text-decoration: none;
}

.footer-legal a:hover,
.footer-legal a:focus-visible {
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid var(--border-color);
  padding-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.8rem;
}

.compliance-note {
  max-width: 600px;
  color: var(--text-secondary) !important;
  font-size: 0.85rem !important;
  line-height: 1.4;
}

/* Responsive styles */
@media (max-width: 968px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }
  
  .hero-content h1 {
    font-size: 2.75rem;
  }
  
  .hero-lead {
    margin-left: auto;
    margin-right: auto;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}