/* ============================================
   CALENDARIO LUNARE - CSS MODERNO
   Tema: Celestiale / Astronomico
   Versione: 2.0
   ============================================ */

/* ============================================
   1. CSS CUSTOM PROPERTIES (Variabili)
   ============================================ */
:root {
  /* Palette Colori Principale */
  --color-space-black: #0a0a1a;
  --color-deep-space: #0d1128;
  --color-cosmic-blue: #1a1f3c;
  --color-nebula-purple: #2d2b55;
  --color-stardust: #4a4e8a;
  
  /* Accenti Luminosi */
  --color-moon-white: #f0f0f5;
  --color-moon-glow: #e8e6f0;
  --color-star-gold: #ffd700;
  --color-aurora-cyan: #00d9ff;
  --color-aurora-purple: #a855f7;
  --color-aurora-pink: #ec4899;
  
  /* Gradienti */
  --gradient-night-sky: linear-gradient(135deg, var(--color-space-black) 0%, var(--color-deep-space) 50%, var(--color-cosmic-blue) 100%);
  --gradient-aurora: linear-gradient(90deg, var(--color-aurora-cyan), var(--color-aurora-purple), var(--color-aurora-pink));
  --gradient-moon: linear-gradient(145deg, #f5f5f0 0%, #d4d4d8 50%, #9ca3af 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
  
  /* Tipografia */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(0, 217, 255, 0.3), 0 0 40px rgba(168, 85, 247, 0.2);
  --shadow-moon: 0 0 30px rgba(255, 255, 255, 0.2), 0 0 60px rgba(255, 255, 255, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   2. RESET & BASE
   ============================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-moon-white);
  background: var(--gradient-night-sky);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Sfondo stellato animato */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(2px 2px at 20px 30px, white, transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
    radial-gradient(1px 1px at 90px 40px, white, transparent),
    radial-gradient(2px 2px at 130px 80px, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 160px 120px, white, transparent),
    radial-gradient(1.5px 1.5px at 200px 50px, rgba(255,255,255,0.9), transparent),
    radial-gradient(1px 1px at 250px 160px, white, transparent),
    radial-gradient(2px 2px at 300px 100px, rgba(255,255,255,0.7), transparent);
  background-repeat: repeat;
  background-size: 350px 200px;
  animation: twinkle 8s ease-in-out infinite alternate;
  pointer-events: none;
  z-index: -1;
  opacity: 0.6;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.7; }
}

/* ============================================
   3. TIPOGRAFIA
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-moon-white);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  position: relative;
}

h1::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gradient-aurora);
  border-radius: var(--radius-full);
  margin-top: var(--space-md);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-moon-glow);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--color-aurora-cyan);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-md);
  color: rgba(240, 240, 245, 0.85);
}

a {
  color: var(--color-aurora-cyan);
  text-decoration: none;
  transition: color var(--transition-base), text-shadow var(--transition-base);
}

a:hover {
  color: var(--color-aurora-purple);
  text-shadow: 0 0 10px var(--color-aurora-cyan);
}

em {
  font-style: italic;
  color: rgba(240, 240, 245, 0.9);
}

strong, b {
  font-weight: 700;
  color: var(--color-moon-white);
}

i {
  font-style: italic;
  color: var(--color-aurora-purple);
}

/* ============================================
   4. LAYOUT & CONTAINER
   ============================================ */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: calc(var(--space-md) * -1);
  margin-right: calc(var(--space-md) * -1);
}

.col-sm-12 {
  flex: 0 0 100%;
  max-width: 100%;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.col-lg-3 {
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.col-lg-4 {
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

@media (min-width: 992px) {
  .col-lg-3 {
    flex: 0 0 25%;
    max-width: 25%;
  }
  
  .col-lg-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }
  
  .col-lg-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

/* Utility Classes */
.d-block { display: block; }
.d-flex { display: flex; }
.m-auto { margin: auto; }
.text-center { text-align: center; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.p-1 { padding: var(--space-sm); }

/* ============================================
   5. HEADER & NAVIGATION
   ============================================ */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 10, 26, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-md) 0;
}

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

nav a {
  color: var(--color-moon-glow);
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  position: relative;
}

nav a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--gradient-aurora);
  transition: all var(--transition-base);
  transform: translateX(-50%);
}

nav a:hover::before {
  width: 80%;
}

nav a:hover {
  color: var(--color-aurora-cyan);
  background: rgba(255, 255, 255, 0.05);
}

/* ============================================
   6. HERO SECTION & TITOLI PRINCIPALI
   ============================================ */
.container h1 {
  text-align: center;
  padding: var(--space-2xl) 0 var(--space-lg);
}

.container h1::after {
  margin-left: auto;
  margin-right: auto;
}

.container h2 {
  text-align: center;
  margin-bottom: var(--space-xl);
  opacity: 0.9;
}

/* ============================================
   7. FASE LUNARE - SEZIONE PRINCIPALE
   ============================================ */
.form {
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  margin-bottom: var(--space-xl);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}

.form label {
  display: block;
  font-weight: 600;
  color: var(--color-moon-glow);
  margin-bottom: var(--space-sm);
  font-size: 1.1rem;
}

.form-control {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--color-moon-white);
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-base);
}

.form-control:focus {
  border-color: var(--color-aurora-cyan);
  box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(1);
  cursor: pointer;
}

/* ============================================
   8. BOTTONI
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  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-primary {
  background: var(--gradient-aurora);
  color: white;
  box-shadow: var(--shadow-md), 0 0 20px rgba(168, 85, 247, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(168, 85, 247, 0.4);
}

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

.w-100 {
  width: 100%;
}

/* ============================================
   9. CARD FASE LUNARE
   ============================================ */
.col-lg-3 h3,
.col-lg-3 p {
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.col-lg-3 h3:hover,
.col-lg-3 p:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 217, 255, 0.3);
  box-shadow: var(--shadow-glow);
}

/* Immagine della Luna */
.img-moon {
  width: 150px;
  height: 150px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-moon);
  animation: moonFloat 6s ease-in-out infinite;
  transition: all var(--transition-base);
}

.img-moon:hover {
  transform: scale(1.1);
  box-shadow: 0 0 50px rgba(255, 255, 255, 0.4), 0 0 100px rgba(255, 255, 255, 0.2);
}

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

/* ============================================
   10. AD BANNER
   ============================================ */
.ad-banner {
  margin: var(--space-xl) 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
}

.ad-banner:hover {
  transform: scale(1.01);
  box-shadow: var(--shadow-xl);
}

.img-banner {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   11. ANIMAZIONE FASI LUNARI
   ============================================ */
.img-fluid {
  max-width: 100%;
  height: auto;
}

.img-responsive {
  display: block;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

/* ============================================
   12. ACCORDION
   ============================================ */
.accordion {
  margin: var(--space-xl) 0;
}

.accordion-item {
  background: var(--gradient-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.accordion-header {
  margin: 0;
}

.accordion-button {
  width: 100%;
  padding: var(--space-lg) var(--space-xl);
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-moon-white);
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all var(--transition-base);
}

.accordion-button::after {
  content: '▼';
  font-size: 0.8rem;
  transition: transform var(--transition-base);
}

.accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}

.accordion-button:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-aurora-cyan);
}

.accordion-collapse {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion-collapse.show,
.accordion-collapse:not(.collapse) {
  max-height: 5000px;
}

.accordion-body {
  padding: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ============================================
   13. CHATBOT - OTSbot
   ============================================ */
#chat-form {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

#chat-form input[type="text"] {
  flex: 1;
  min-width: 250px;
  padding: var(--space-md) var(--space-lg);
  font-size: 1rem;
  font-family: var(--font-body);
  color: var(--color-moon-white);
  background: rgba(255, 255, 255, 0.05);
  border: 2px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-base);
}

#chat-form input[type="text"]:focus {
  border-color: var(--color-aurora-purple);
  box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.2);
  background: rgba(255, 255, 255, 0.08);
}

#chat-form input[type="text"]::placeholder {
  color: rgba(240, 240, 245, 0.4);
}

#chat-form button {
  padding: var(--space-md) var(--space-xl);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background: var(--gradient-aurora);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
}

#chat-form button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(168, 85, 247, 0.4);
}

.spinner {
  display: none;
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-aurora-cyan);
  font-size: 1.1rem;
  animation: pulse 1.5s ease-in-out infinite;
}

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

.bot-response {
  display: none;
  background: var(--gradient-card);
  border: 1px solid rgba(0, 217, 255, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  margin-top: var(--space-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-glow);
  animation: fadeInUp 0.5s ease;
}

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

/* ============================================
   14. SEZIONI CONTENUTO
   ============================================ */
.styleFontface {
  font-family: var(--font-display) !important;
  font-weight: 700 !important;
  background: var(--gradient-aurora) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  text-align: center !important;
  padding: var(--space-lg) !important;
  margin: var(--space-xl) 0 !important;
  border-radius: var(--radius-lg) !important;
  position: relative;
}

.styleFontface::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-aurora);
  opacity: 0.1;
  border-radius: var(--radius-lg);
  z-index: -1;
}

/* Override degli stili inline per le sezioni di testo */
.container p[style],
.container h3[style] {
  color: var(--color-moon-glow) !important;
  font-family: var(--font-body) !important;
}

/* ============================================
   15. ICONE CATEGORIE (Astronomia, etc.)
   ============================================ */
.col-sm-4 {
  text-align: center;
  padding: var(--space-lg);
}

.col-sm-4 img {
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.col-sm-4 img:hover {
  transform: scale(1.1) rotate(2deg);
  box-shadow: var(--shadow-glow);
}

.col-sm-4 p {
  font-family: var(--font-display) !important;
  font-weight: 700 !important;
  font-size: 1.25rem !important;
  color: var(--color-moon-white) !important;
  margin-top: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ============================================
   16. LINK E CTA
   ============================================ */
center a {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  background: var(--gradient-aurora);
  color: white !important;
  border-radius: var(--radius-md);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

center a:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg), 0 0 30px rgba(168, 85, 247, 0.4);
  text-shadow: none;
}

/* ============================================
   17. TABELLE FASI LUNARI
   ============================================ */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--space-xl) 0;
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

thead {
  background: rgba(168, 85, 247, 0.2);
}

th {
  padding: var(--space-lg);
  font-weight: 700;
  color: var(--color-aurora-cyan);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
  border-bottom: 2px solid rgba(168, 85, 247, 0.3);
}

td {
  padding: var(--space-md) var(--space-lg);
  color: var(--color-moon-glow);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: background var(--transition-fast);
}

tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

tr:last-child td {
  border-bottom: none;
}

/* ============================================
   18. FOOTER
   ============================================ */
footer {
  background: rgba(10, 10, 26, 0.95);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-3xl) 0 var(--space-xl);
  margin-top: var(--space-3xl);
}

footer .container {
  text-align: center;
}

footer p {
  color: rgba(240, 240, 245, 0.6);
  font-size: 0.9rem;
}

footer a {
  color: var(--color-aurora-cyan);
}

footer a:hover {
  color: var(--color-aurora-purple);
}

/* ============================================
   19. SCROLLBAR PERSONALIZZATA
   ============================================ */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--color-space-black);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-aurora);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-aurora-purple);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--color-aurora-purple) var(--color-space-black);
}

/* ============================================
   20. SELEZIONE TESTO
   ============================================ */
::selection {
  background: var(--color-aurora-purple);
  color: white;
}

::-moz-selection {
  background: var(--color-aurora-purple);
  color: white;
}

/* ============================================
   21. RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 991px) {
  .col-lg-3 {
    flex: 0 0 50%;
    max-width: 50%;
    margin-bottom: var(--space-md);
  }
  
  .col-lg-4 {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: var(--space-md);
  }
  
  h1 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
  }
  
  .form {
    padding: var(--space-lg);
  }
}

@media (max-width: 767px) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
    --space-3xl: 2.5rem;
  }
  
  .col-lg-3 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .col-sm-4 {
    flex: 0 0 100%;
    max-width: 100%;
    margin-bottom: var(--space-lg);
  }
  
  #chat-form {
    flex-direction: column;
  }
  
  #chat-form input[type="text"],
  #chat-form button {
    width: 100%;
  }
  
  .img-moon {
    width: 120px;
    height: 120px;
  }
  
  nav {
    justify-content: center;
  }
  
  .accordion-button {
    padding: var(--space-md);
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.5rem;
  }
  
  h2 {
    font-size: 1.25rem;
  }
  
  h3 {
    font-size: 1.1rem;
  }
  
  .container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
  }
}

/* ============================================
   22. ANIMAZIONI DI CARICAMENTO
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.container {
  animation: fadeIn 0.8s ease;
}

.col-lg-3 {
  animation: slideInUp 0.6s ease backwards;
}

.col-lg-3:nth-child(1) { animation-delay: 0.1s; }
.col-lg-3:nth-child(2) { animation-delay: 0.2s; }
.col-lg-3:nth-child(3) { animation-delay: 0.3s; }
.col-lg-3:nth-child(4) { animation-delay: 0.4s; }

/* ============================================
   23. EFFETTI SPECIALI
   ============================================ */
/* Effetto glow al passaggio del mouse sulle sezioni */
.container > .row {
  transition: all var(--transition-base);
}

/* Effetto luna crescente/calante per le card */
.col-lg-3::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.03) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.col-lg-3:hover::before {
  opacity: 1;
}

/* Indicatore di fase lunare animato */
.moon-indicator {
  display: inline-block;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background: var(--gradient-moon);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
  animation: moonPulse 3s ease-in-out infinite;
}

@keyframes moonPulse {
  0%, 100% {
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
  }
  50% {
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.8);
  }
}

/* ============================================
   24. PRINT STYLES
   ============================================ */
@media print {
  body {
    background: white;
    color: black;
  }
  
  body::before {
    display: none;
  }
  
  header,
  footer,
  .ad-banner,
  #chat-form,
  .spinner,
  .bot-response,
  .accordion {
    display: none !important;
  }
  
  h1, h2, h3 {
    background: none;
    -webkit-text-fill-color: black;
    color: black;
  }
  
  a {
    color: black;
    text-decoration: underline;
  }
}

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

/* Focus visible per tastiera */
:focus-visible {
  outline: 3px solid var(--color-aurora-cyan);
  outline-offset: 3px;
}

/* Skip link per screen reader */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-aurora-cyan);
  color: var(--color-space-black);
  padding: var(--space-sm) var(--space-md);
  z-index: 9999;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

/* Alto contrasto */
@media (prefers-contrast: high) {
  :root {
    --color-moon-white: #ffffff;
    --color-moon-glow: #ffffff;
  }
  
  .btn-primary {
    background: var(--color-aurora-cyan);
    border: 2px solid white;
  }
}