/* ============================================
   HUBBLE & JAMES WEBB - CSS
   Tema: Celestiale / Astronomico
   Pagina: Foto dallo Spazio - Telescopio Hubble
   ============================================ */

/* ============================================
   1. HERO SECTION - TITOLI PRINCIPALI
   ============================================ */
.container.d-block h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-md);
  padding-top: var(--space-xl);
}

.container.d-block h1:not(.text-center) {
  background: var(--gradient-aurora);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.container.d-block h1 i {
  display: block;
  font-size: 0.7em;
  font-weight: 400;
  opacity: 0.9;
  margin-top: var(--space-sm);
  background: linear-gradient(90deg, var(--color-aurora-cyan), var(--color-aurora-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.container.d-block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  font-weight: 500;
  text-align: center;
  color: var(--color-moon-glow);
  margin-bottom: var(--space-xl);
  opacity: 0.85;
}

.container.d-block h2::before {
  content: '✨ ';
}

.container.d-block h2::after {
  content: ' ✨';
}

/* ============================================
   2. DATA E ORA
   ============================================ */
.container.d-block > .row > .col-sm-12 > p {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, 
    rgba(26, 31, 60, 0.8) 0%, 
    rgba(45, 43, 85, 0.6) 100%);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-aurora-cyan);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

/* ============================================
   3. TITOLO SEZIONE IMMAGINI
   ============================================ */
.container.mt-5 > h1.text-center,
h1.text-center.mb-4 {
  font-family: var(--font-display) !important;
  font-size: clamp(1.5rem, 4vw, 2.2rem) !important;
  font-weight: 700 !important;
  color: var(--color-moon-white) !important;
  -webkit-text-fill-color: var(--color-moon-white) !important;
  background: none !important;
  position: relative;
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-xl) !important;
}

.container.mt-5 > h1.text-center::before {
  content: '🔭';
  margin-right: var(--space-md);
  animation: telescopeWobble 3s ease-in-out infinite;
}

@keyframes telescopeWobble {
  0%, 100% { transform: rotate(-5deg); }
  50% { transform: rotate(5deg); }
}

.container.mt-5 > h1.text-center::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  height: 3px;
  background: var(--gradient-aurora);
  border-radius: var(--radius-full);
}

/* ============================================
   4. GRID IMMAGINI HUBBLE
   ============================================ */
.col-md-4.col-sm-6.mb-4 {
  padding: var(--space-md);
}

/* Animazione staggered */
.col-md-4.col-sm-6.mb-4 {
  animation: hubbleCardIn 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) backwards;
}

.col-md-4.col-sm-6.mb-4:nth-child(1) { animation-delay: 0.1s; }
.col-md-4.col-sm-6.mb-4:nth-child(2) { animation-delay: 0.15s; }
.col-md-4.col-sm-6.mb-4:nth-child(3) { animation-delay: 0.2s; }
.col-md-4.col-sm-6.mb-4:nth-child(4) { animation-delay: 0.25s; }
.col-md-4.col-sm-6.mb-4:nth-child(5) { animation-delay: 0.3s; }
.col-md-4.col-sm-6.mb-4:nth-child(6) { animation-delay: 0.35s; }
.col-md-4.col-sm-6.mb-4:nth-child(7) { animation-delay: 0.4s; }
.col-md-4.col-sm-6.mb-4:nth-child(8) { animation-delay: 0.45s; }
.col-md-4.col-sm-6.mb-4:nth-child(9) { animation-delay: 0.5s; }
.col-md-4.col-sm-6.mb-4:nth-child(10) { animation-delay: 0.55s; }
.col-md-4.col-sm-6.mb-4:nth-child(11) { animation-delay: 0.6s; }
.col-md-4.col-sm-6.mb-4:nth-child(12) { animation-delay: 0.65s; }

@keyframes hubbleCardIn {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.9) rotateX(10deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1) rotateX(0);
  }
}

/* ============================================
   5. CARD IMMAGINI HUBBLE
   ============================================ */
.card.h-100 {
  background: linear-gradient(145deg, 
    rgba(26, 31, 60, 0.95) 0%, 
    rgba(45, 43, 85, 0.85) 100%) !important;
  border: 1px solid rgba(168, 85, 247, 0.3) !important;
  border-radius: var(--radius-xl) !important;
  overflow: hidden;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 
    0 15px 40px rgba(0, 0, 0, 0.4),
    0 0 20px rgba(168, 85, 247, 0.1);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  opacity: 1 !important;
  position: relative;
}

.card.h-100::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 20%, 
    rgba(168, 85, 247, 0.15) 0%, 
    transparent 50%);
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  z-index: 0;
}

.card.h-100:hover {
  transform: translateY(-15px) scale(1.02);
  border-color: var(--color-aurora-cyan) !important;
  box-shadow: 
    0 25px 60px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(0, 217, 255, 0.2),
    0 0 80px rgba(168, 85, 247, 0.15);
}

.card.h-100:hover::before {
  opacity: 1;
}

/* Badge Hubble */
.card.h-100::after {
  content: '🛰️ HUBBLE';
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  padding: var(--space-xs) var(--space-sm);
  background: rgba(0, 0, 0, 0.8);
  color: var(--color-aurora-cyan);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0, 217, 255, 0.4);
  z-index: 10;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

/* ============================================
   6. IMMAGINI CARD
   ============================================ */
.card-img-top {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  position: relative;
}

.card.h-100:hover .card-img-top {
  transform: scale(1.05);
  filter: brightness(1.1) saturate(1.1);
}

/* Link wrapper immagine */
.card.h-100 a[onclick*="showImage"] {
  display: block;
  overflow: hidden;
  position: relative;
}

.card.h-100 a[onclick*="showImage"]::before {
  content: '🔍 Visualizza HD';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-md);
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, transparent 100%);
  color: white;
  font-size: 0.85rem;
  font-weight: 500;
  text-align: center;
  opacity: 0;
  transform: translateY(100%);
  transition: all 0.4s ease;
  z-index: 5;
}

.card.h-100:hover a[onclick*="showImage"]::before {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   7. CARD BODY
   ============================================ */
.card-body {
  padding: var(--space-lg) !important;
  position: relative;
  z-index: 1;
}

.card-title {
  font-family: var(--font-display) !important;
  font-size: 1.1rem !important;
  font-weight: 700 !important;
  color: var(--color-moon-white) !important;
  margin-bottom: var(--space-md) !important;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-text {
  color: rgba(240, 240, 245, 0.75) !important;
  font-size: 0.9rem !important;
  line-height: 1.7 !important;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   8. FLYOUT VIDEO CONTAINER
   ============================================ */
#flyoutContainer {
  margin: var(--space-2xl) auto;
  max-width: 800px;
}

#flyoutWindow.card {
  background: linear-gradient(145deg, 
    rgba(26, 31, 60, 0.95) 0%, 
    rgba(45, 43, 85, 0.9) 100%) !important;
  border: 2px solid rgba(168, 85, 247, 0.4) !important;
  border-radius: var(--radius-xl) !important;
  overflow: hidden;
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 40px rgba(168, 85, 247, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
  opacity: 1 !important;
}

.card-header {
  background: linear-gradient(90deg, 
    rgba(168, 85, 247, 0.3) 0%, 
    rgba(0, 217, 255, 0.2) 100%) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
  padding: var(--space-lg) !important;
}

.card-header h3 {
  font-family: var(--font-display) !important;
  font-size: 1.2rem !important;
  font-weight: 700 !important;
  color: var(--color-moon-white) !important;
  margin: 0 !important;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
}

.card-header h3::before {
  content: '🎓';
}

.card-header h3::after {
  content: '🔭';
}

#flyoutWindow .card-body {
  padding: var(--space-lg) !important;
  background: rgba(0, 0, 0, 0.3);
}

/* YouTube iframe */
#flyoutWindow iframe {
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

/* ============================================
   9. SEZIONE TESTO HUBBLE/JAMES WEBB
   ============================================ */
.container.mt-5 > h3.text-center {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  color: var(--color-aurora-purple);
  margin-bottom: var(--space-xl);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
}

.container.mt-5 > h3.text-center::before {
  content: '🛰️';
  animation: satelliteOrbit 4s linear infinite;
}

.container.mt-5 > h3.text-center::after {
  content: '🔭';
  animation: satelliteOrbit 4s linear infinite reverse;
}

@keyframes satelliteOrbit {
  0% { transform: translateY(0); }
  25% { transform: translateY(-5px); }
  50% { transform: translateY(0); }
  75% { transform: translateY(5px); }
  100% { transform: translateY(0); }
}

/* Paragrafi descrittivi */
.container.mt-5 .col p {
  color: var(--color-moon-glow);
  font-size: 1.05rem;
  line-height: 1.9;
  margin-bottom: var(--space-lg);
  text-align: justify;
  padding: var(--space-lg);
  background: var(--gradient-card);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-aurora-purple);
  transition: all var(--transition-base);
}

.container.mt-5 .col p:hover {
  border-left-color: var(--color-aurora-cyan);
  transform: translateX(5px);
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.container.mt-5 .col p:nth-child(odd) {
  border-left-color: var(--color-aurora-cyan);
}

.container.mt-5 .col p:nth-child(odd):hover {
  border-left-color: var(--color-aurora-purple);
}

/* ============================================
   10. MODAL LIGHTBOX
   ============================================ */
.modal {
  display: none;
  position: fixed;
  z-index: 10000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 26, 0.97);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  animation: modalFadeIn 0.3s ease;
  overflow: auto;
}

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

.modal-content {
  display: block;
  max-width: 90%;
  max-height: 90vh;
  margin: 5vh auto;
  border-radius: var(--radius-xl);
  box-shadow: 
    0 30px 100px rgba(0, 0, 0, 0.6),
    0 0 80px rgba(168, 85, 247, 0.3),
    0 0 120px rgba(0, 217, 255, 0.15);
  animation: modalImageZoom 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 3px solid rgba(168, 85, 247, 0.5);
}

@keyframes modalImageZoom {
  from {
    opacity: 0;
    transform: scale(0.7) rotateX(15deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotateX(0);
  }
}

.close {
  position: fixed;
  top: var(--space-xl);
  right: var(--space-xl);
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--color-moon-white);
  background: linear-gradient(135deg, 
    rgba(168, 85, 247, 0.3) 0%, 
    rgba(0, 217, 255, 0.2) 100%);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 10001;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.close:hover {
  background: linear-gradient(135deg, 
    rgba(255, 107, 107, 0.4) 0%, 
    rgba(255, 107, 107, 0.2) 100%);
  border-color: rgba(255, 107, 107, 0.5);
  transform: rotate(180deg) scale(1.1);
  color: #ff6b6b;
}

/* ============================================
   11. EFFETTI SPECIALI
   ============================================ */
/* Nebula effect nel background delle card */
.col-md-4.col-sm-6.mb-4:nth-child(3n+1) .card.h-100::before {
  background: radial-gradient(circle at 20% 80%, 
    rgba(0, 217, 255, 0.15) 0%, 
    transparent 50%);
}

.col-md-4.col-sm-6.mb-4:nth-child(3n+2) .card.h-100::before {
  background: radial-gradient(circle at 80% 20%, 
    rgba(236, 72, 153, 0.15) 0%, 
    transparent 50%);
}

.col-md-4.col-sm-6.mb-4:nth-child(3n) .card.h-100::before {
  background: radial-gradient(circle at 50% 50%, 
    rgba(168, 85, 247, 0.15) 0%, 
    transparent 50%);
}

/* Star field effect sulla pagina */
.container.d-block::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(2px 2px at 100px 50px, rgba(255,255,255,0.6), transparent),
    radial-gradient(1px 1px at 200px 150px, rgba(255,255,255,0.4), transparent),
    radial-gradient(2px 2px at 300px 250px, rgba(255,255,255,0.5), transparent),
    radial-gradient(1px 1px at 400px 100px, rgba(255,255,255,0.3), transparent);
  background-size: 500px 400px;
  opacity: 0.3;
  pointer-events: none;
  z-index: -1;
  animation: starsShift 30s linear infinite;
}

@keyframes starsShift {
  0% { background-position: 0 0; }
  100% { background-position: 500px 400px; }
}

/* ============================================
   12. RESPONSIVE
   ============================================ */
@media (max-width: 991px) {
  .col-md-4.col-sm-6.mb-4 {
    flex: 0 0 50%;
    max-width: 50%;
  }
  
  .card-img-top {
    height: 180px;
  }
  
  #flyoutContainer {
    padding: 0 var(--space-md);
  }
}

@media (max-width: 767px) {
  .col-md-4.col-sm-6.mb-4 {
    flex: 0 0 100%;
    max-width: 100%;
  }
  
  .card-img-top {
    height: 220px;
  }
  
  .container.d-block h1 {
    font-size: 1.5rem;
  }
  
  .container.d-block h1 i {
    font-size: 0.8em;
  }
  
  .close {
    width: 45px;
    height: 45px;
    font-size: 1.8rem;
    top: var(--space-md);
    right: var(--space-md);
  }
  
  .container.mt-5 .col p {
    padding: var(--space-md);
    font-size: 0.95rem;
  }
  
  .card.h-100::after {
    font-size: 0.55rem;
    padding: 3px 6px;
  }
}

@media (max-width: 480px) {
  .container.d-block h2::before,
  .container.d-block h2::after {
    display: none;
  }
  
  .card-title {
    font-size: 1rem !important;
  }
  
  .card-text {
    font-size: 0.85rem !important;
    -webkit-line-clamp: 3;
  }
  
  #flyoutWindow iframe {
    height: 200px;
  }
}

/* ============================================
   13. ACCESSIBILITÀ
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .col-md-4.col-sm-6.mb-4,
  .modal,
  .modal-content,
  .card.h-100,
  .card-img-top,
  .container.d-block::before,
  .container.mt-5 > h1.text-center::before,
  .container.mt-5 > h3.text-center::before,
  .container.mt-5 > h3.text-center::after {
    animation: none;
  }
  
  .card.h-100:hover,
  .card.h-100:hover .card-img-top {
    transform: none;
  }
}

/* Focus states */
.card.h-100 a[onclick*="showImage"]:focus-visible {
  outline: 3px solid var(--color-aurora-cyan);
  outline-offset: 3px;
}

.close:focus-visible {
  outline: 3px solid var(--color-aurora-cyan);
  outline-offset: 3px;
}

/* High contrast */
@media (prefers-contrast: high) {
  .card.h-100,
  #flyoutWindow.card {
    border-color: white !important;
  }
  
  .card-title,
  .card-header h3 {
    color: white !important;
  }
}

/* ============================================
   14. PRINT STYLES
   ============================================ */
@media print {
  .modal,
  #flyoutContainer,
  .container.d-block::before {
    display: none !important;
  }
  
  .card.h-100 {
    background: white !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
    break-inside: avoid;
  }
  
  .card-title {
    color: black !important;
  }
  
  .card-text {
    color: #333 !important;
  }
  
  .container.mt-5 .col p {
    background: none !important;
    border: none !important;
    color: black !important;
  }
}

/* ============================================
   15. LOADING SKELETON
   ============================================ */
.card-img-top[src=""],
.card-img-top:not([src]) {
  background: linear-gradient(90deg, 
    rgba(255,255,255,0.03) 25%, 
    rgba(255,255,255,0.08) 50%, 
    rgba(255,255,255,0.03) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* ============================================
   16. EXTRA - COSMOS DECORATIONS
   ============================================ */
/* Shooting star effect occasionale */
@keyframes shootingStar {
  0% {
    transform: translateX(-100px) translateY(-100px);
    opacity: 1;
  }
  70% {
    opacity: 1;
  }
  100% {
    transform: translateX(calc(100vw + 100px)) translateY(calc(100vh + 100px));
    opacity: 0;
  }
}

/* Glow pulsante sulle card immagine */
.card.h-100 a[onclick*="showImage"]::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 80px;
  height: 80px;
  background: radial-gradient(circle, 
    rgba(0, 217, 255, 0.4) 0%, 
    transparent 70%);
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: all 0.4s ease;
  pointer-events: none;
}

.card.h-100:hover a[onclick*="showImage"]::after {
  transform: translate(-50%, -50%) scale(1.5);
  opacity: 1;
}