/* === MAIN STYLES - Editorial Design === */
/* Variables are defined in base.css to avoid duplication */

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

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

body {
  font-family: var(--font-body);
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Scroll Snap */
  scroll-snap-type: y mandatory;
}

/* Typography */
.font-display {
  font-family: var(--font-display);
}

.font-body {
  font-family: var(--font-body);
}

/* IBM Plex Sans utility class - Updated to editorial fonts */
.ibm-plex-sans {
  font-family: var(--font-body);
  font-weight: 400;
  font-style: normal;
}

/* Scroll Snap utility */
.horizontal-scroll-wrapper {
  scroll-snap-align: start;
  scroll-snap-stop: always;
  display: block;
}

/* Flexbox Utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }

/* Grid Utilities */
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Spacing Utilities */
.m-0 { margin: 0; }
.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.p-0 { padding: 0; }

/* Text Utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Visibility Utilities */
.hidden { display: none; }
.invisible { visibility: hidden; }
.visible { visibility: visible; }

/* Interaction Utilities */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* Layout Utilities - Container per centrare le sezioni */
.container {
  max-width: min(1200px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-wide {
  max-width: min(1400px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: min(800px, calc(100vw - 2rem));
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}



/* Animation Utilities */
.animate-fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

.animate-slide-up {
  animation: slideUp 0.5s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes pulse {
  0%, 100% { 
    opacity: 1; 
  }
  50% { 
    opacity: 0.7; 
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--spacing-sm);
  }
  
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
    font-size: var(--font-size-xs);
  }
  
  .card {
    padding: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-xxl: 3rem;
  }
  
  .container {
    padding: 0 var(--spacing-xs);
  }
}

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

/* Iceberg Canvas - Hero positioning ESTESO per strasbordare */
section.hero #iceberg.hero-canvas,
#iceberg.hero-canvas,
#iceberg {
  width: 100%;
  height: 150vh; /* Esteso per strasbordare nel subhero */
  max-width: 100vw;
  max-height: none; /* Rimuoviamo il limite di altezza */
  display: block;
  transform-origin: center center;
  background-color: transparent;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  overflow: visible; /* Permette strasbordamento visibile */
  pointer-events: none; /* Evita interferenze con interazioni sotto */
}

/* About section - assicura che appaia sopra l'iceberg overflow */
#about {
  position: relative;
  z-index: 10;
  background: var(--bg-primary);
}

/* Particles Background Canvas */
#particles-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 15;
  pointer-events: none;
  background: transparent;
  
  /* Leggeri effetti di animazione */
  animation: 
    particles-pulse 8s ease-in-out infinite,
    particles-opacity 12s ease-in-out infinite,
    particles-glow 15s ease-in-out infinite;
}



/* Animazione di pulse molto leggera */
@keyframes particles-pulse {
  0%, 100% { 
    transform: scale(1);
    filter: brightness(1);
  }
  50% { 
    transform: scale(1.02);
    filter: brightness(1.1);
  }
}

/* Variazioni di opacità molto sottili */
@keyframes particles-opacity {
  0%, 100% { 
    opacity: 0.8;
  }
  33% { 
    opacity: 0.9;
  }
  66% { 
    opacity: 0.85;
  }
}

/* Leggeri cambi di colore attraverso filtri */
@keyframes particles-glow {
  0%, 100% { 
    filter: hue-rotate(0deg) saturate(1) brightness(1);
  }
  25% { 
    filter: hue-rotate(5deg) saturate(1.1) brightness(1.05);
  }
  50% { 
    filter: hue-rotate(-3deg) saturate(0.9) brightness(0.95);
  }
  75% { 
    filter: hue-rotate(8deg) saturate(1.05) brightness(1.02);
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }
  
  .card {
    background: white;
    border: 1px solid black;
    box-shadow: none;
  }
  
  .btn {
    display: none;
  }
}
/* Penguin Canvas - Editorial Clean */
#penguin-canvas {
  width: 400px;     
  height: auto;
  position: fixed;
  bottom: 40px;
  right: 40px;
  z-index: 300;
  cursor: grab;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.02);
}

#penguin-canvas.dragging {
  cursor: grabbing;
}


/* Spinner (additional styles if needed) */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid #333;
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Logo transition styles */
.logo {
  transition: opacity 0.3s ease, transform 0.3s ease;
  opacity: 1;
}

/* Responsive styles for penguin canvas */
@media (max-width: 768px) {
  #penguin-canvas {
    width: 300px;
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  #penguin-canvas {
    width: 250px;
    bottom: 15px;
    right: 15px;
  }
}

/* Particles Background Canvas */
#particles-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 15;
  pointer-events: none;
  background: transparent;
  
  /* Leggeri effetti di animazione */
  animation: 
    particles-pulse 8s ease-in-out infinite,
    particles-opacity 12s ease-in-out infinite,
    particles-glow 15s ease-in-out infinite;
}