/* Sciences Samuseum - Premium Design System */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Orbitron:wght@400;600;800;900&display=swap');

:root {
  /* Colors */
  --bg-primary: #040409;
  --bg-secondary: #0c0c16;
  --bg-tertiary: #131424;
  --bg-nav: rgba(4, 4, 9, 0.8);
  --color-violet: #8a2be2;
  --color-violet-glow: rgba(138, 43, 226, 0.4);
  --color-amber: #ffb703;
  --color-amber-glow: rgba(255, 183, 3, 0.4);
  --color-accent-blue: #00b4d8;
  --text-light: #f8f9fa;
  --text-muted: #adb5bd;
  --glass-border: rgba(255, 255, 255, 0.05);
  --glass-bg: rgba(255, 255, 255, 0.03);
  
  /* Fonts */
  --font-header: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-light);
  overflow-x: hidden;
}

body {
  position: relative;
  min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--color-violet);
}

/* Background Nebula Effects */
.nebula-bg-violet {
  position: fixed;
  top: -10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.15) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(80px);
  animation: float-slow 30s infinite alternate;
}

.nebula-bg-amber {
  position: fixed;
  bottom: -10%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(255, 183, 3, 0.08) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  pointer-events: none;
  filter: blur(100px);
  animation: float-slow 40s infinite alternate-reverse;
}

/* Keyframe Animations */
@keyframes float-slow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(5%, 5%) scale(1.1); }
}

@keyframes pulse-glow {
  0%, 100% { text-shadow: 0 0 10px rgba(138, 43, 226, 0.2); }
  50% { text-shadow: 0 0 25px var(--color-violet), 0 0 5px var(--color-accent-blue); }
}

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

/* Navigation Bar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.25rem 5%;
  background-color: var(--bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  border-bottom: 1px solid var(--glass-border);
}

.nav-logo {
  font-family: var(--font-header);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: 2px;
  background: linear-gradient(45deg, var(--color-violet), var(--color-amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.nav-logo svg {
  width: 28px;
  height: 28px;
  fill: url(#logo-grad);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-light);
  font-size: 0.95rem;
  font-weight: 500;
  transition: var(--transition-fast);
  letter-spacing: 1px;
  position: relative;
  padding-bottom: 4px;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-violet), var(--color-amber));
  transition: var(--transition-smooth);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--text-light);
  text-shadow: 0 0 8px var(--color-violet-glow);
}

/* Language Switcher */
.lang-selector {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.lang-selector:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-violet);
}

.lang-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-header);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0 2px;
  transition: var(--transition-fast);
}

.lang-btn.active {
  color: var(--color-amber);
  text-shadow: 0 0 8px var(--color-amber-glow);
}

.lang-separator {
  color: var(--glass-border);
  font-size: 0.8rem;
}

/* Mobile Menu Button */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  background: none;
  border: none;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background-color: var(--text-light);
  transition: var(--transition-fast);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 5%;
  background: linear-gradient(180deg, rgba(4,4,9,0.3) 0%, rgba(4,4,9,0.95) 100%), 
              url('hero_background.png') no-repeat center center;
  background-size: cover;
  background-attachment: fixed;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(12, 12, 22, 0.2) 0%, rgba(4, 4, 9, 0.85) 100%);
  pointer-events: none;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
  padding-top: 4rem;
}

.hero-tagline {
  font-family: var(--font-header);
  font-size: 1.1rem;
  color: var(--color-amber);
  letter-spacing: 6px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  font-weight: 600;
  animation: pulse-glow 4s infinite;
}

.hero-title {
  font-family: var(--font-header);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 2rem;
  background: linear-gradient(135deg, var(--text-light) 30%, var(--text-muted) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 3rem;
  font-weight: 300;
}

.hero-cta-container {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Premium Button Styling */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 2.2rem;
  font-family: var(--font-header);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  border-radius: 30px;
  text-decoration: none;
  transition: var(--transition-smooth);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(90deg, var(--color-violet), #9d4edd);
  color: var(--text-light);
  border: none;
  box-shadow: 0 4px 20px var(--color-violet-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(138, 43, 226, 0.6);
  letter-spacing: 2px;
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-light);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(5px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-amber);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px var(--color-amber-glow);
}

/* Scroll Down Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 2px;
  font-family: var(--font-header);
  transition: var(--transition-fast);
}

.scroll-indicator:hover {
  color: var(--color-amber);
}

.mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--text-muted);
  border-radius: 12px;
  position: relative;
}

.scroll-indicator:hover .mouse {
  border-color: var(--color-amber);
}

.wheel {
  width: 4px;
  height: 8px;
  background-color: var(--color-violet);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-wheel 1.5s infinite;
}

@keyframes scroll-wheel {
  0% { opacity: 1; top: 6px; }
  100% { opacity: 0; top: 22px; }
}

/* Section Common Styles */
section.py-section {
  padding: 8rem 5% 6rem;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 5rem;
}

.section-tag {
  font-family: var(--font-header);
  color: var(--color-amber);
  font-size: 0.85rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-family: var(--font-header);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 1.25rem;
}

.section-title span {
  background: linear-gradient(90deg, var(--color-violet), var(--color-accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section-desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Glass Card styling */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.05);
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
}

.about-text h3 {
  font-family: var(--font-header);
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: var(--text-light);
}

.about-text p {
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.stat-item {
  padding: 1.5rem;
  text-align: center;
}

.stat-num {
  font-family: var(--font-header);
  font-size: 2.25rem;
  font-weight: 900;
  color: var(--color-amber);
  margin-bottom: 0.5rem;
  display: block;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about-badge-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.badge-card {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  padding: 2rem;
}

.badge-icon {
  background: rgba(138, 43, 226, 0.15);
  border: 1px solid rgba(138, 43, 226, 0.3);
  padding: 1rem;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-violet);
  transition: var(--transition-smooth);
}

.badge-card:hover .badge-icon {
  background: var(--color-violet);
  color: var(--text-light);
  box-shadow: 0 0 15px var(--color-violet-glow);
}

.badge-card:nth-child(2) .badge-icon {
  background: rgba(255, 183, 3, 0.1);
  border: 1px solid rgba(255, 183, 3, 0.2);
  color: var(--color-amber);
}

.badge-card:nth-child(2):hover .badge-icon {
  background: var(--color-amber);
  color: var(--bg-primary);
  box-shadow: 0 0 15px var(--color-amber-glow);
}

.badge-title {
  font-family: var(--font-header);
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

.badge-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Deep Time Timeline Section */
.timeline-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.timeline-nav {
  display: flex;
  justify-content: center;
  margin-bottom: 3.5rem;
  gap: 1rem;
}

.timeline-tab {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  padding: 0.8rem 1.8rem;
  border-radius: 30px;
  color: var(--text-muted);
  font-family: var(--font-header);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.timeline-tab.active {
  background: linear-gradient(90deg, var(--color-violet), var(--color-accent-blue));
  color: var(--text-light);
  border-color: transparent;
  box-shadow: 0 4px 15px var(--color-violet-glow);
}

.timeline-container {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  padding: 2rem 0;
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(180deg, var(--color-violet) 0%, var(--color-amber) 100%);
  transform: translateX(-50%);
}

.timeline-event {
  display: flex;
  margin-bottom: 4rem;
  position: relative;
  width: 100%;
}

.timeline-event:last-child {
  margin-bottom: 0;
}

.timeline-dot {
  position: absolute;
  left: 50%;
  top: 25px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  border: 4px solid var(--color-violet);
  transform: translateX(-50%);
  z-index: 5;
  transition: var(--transition-smooth);
}

.timeline-event.earth-event .timeline-dot {
  border-color: var(--color-amber);
}

.timeline-event:hover .timeline-dot {
  transform: translateX(-50%) scale(1.3);
  box-shadow: 0 0 15px var(--color-violet);
}

.timeline-event.earth-event:hover .timeline-dot {
  box-shadow: 0 0 15px var(--color-amber);
}

.timeline-content {
  width: 45%;
  padding: 2rem;
  position: relative;
}

.timeline-event:nth-child(even) {
  justify-content: flex-end;
}

.timeline-event:nth-child(odd) .timeline-content {
  text-align: right;
}

.timeline-time {
  font-family: var(--font-header);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-violet);
  margin-bottom: 0.5rem;
  display: block;
}

.timeline-event.earth-event .timeline-time {
  color: var(--color-amber);
}

.timeline-event-title {
  font-family: var(--font-header);
  font-size: 1.35rem;
  margin-bottom: 1rem;
  color: var(--text-light);
}

.timeline-event-desc {
  color: var(--text-muted);
  line-height: 1.6;
  font-size: 0.95rem;
}

/* Exhibit Showcase Section */
.gallery-filter {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.filter-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-header);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 1px;
  cursor: pointer;
  padding: 0.5rem 1rem;
  position: relative;
  transition: var(--transition-fast);
}

.filter-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background-color: var(--color-violet);
  transition: var(--transition-smooth);
}

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

.filter-btn.active::after {
  width: 60%;
}

.filter-btn[data-filter="astronomy"]::after {
  background-color: var(--color-violet);
}

.filter-btn[data-filter="paleontology"]::after {
  background-color: var(--color-amber);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 2.5rem;
  max-width: 1200px;
  margin: 0 auto;
}

.gallery-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.gallery-img-wrapper {
  position: relative;
  width: 100%;
  height: 260px;
  overflow: hidden;
  border-bottom: 1px solid var(--glass-border);
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.gallery-card:hover .gallery-img {
  transform: scale(1.08);
}

.gallery-tag {
  position: absolute;
  top: 1.25rem;
  left: 1.25rem;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-family: var(--font-header);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.gallery-tag.astro {
  background: var(--color-violet);
  color: var(--text-light);
  box-shadow: 0 4px 10px var(--color-violet-glow);
}

.gallery-tag.paleo {
  background: var(--color-amber);
  color: var(--bg-primary);
  box-shadow: 0 4px 10px var(--color-amber-glow);
}

.gallery-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.gallery-title {
  font-family: var(--font-header);
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-light);
  transition: var(--transition-fast);
}

.gallery-card:hover .gallery-title {
  color: var(--color-amber);
}

.gallery-card.astronomy:hover .gallery-title {
  color: var(--color-accent-blue);
}

.gallery-card-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.gallery-meta {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--glass-border);
  padding-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.meta-label {
  font-weight: 600;
}

.meta-value {
  color: var(--text-light);
  font-family: var(--font-header);
}

/* Booking Section */
.booking-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  border-bottom: 1px solid var(--glass-border);
}

.booking-container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto;
  align-items: stretch;
}

.booking-form-wrapper {
  padding: 3rem;
}

.form-title {
  font-family: var(--font-header);
  font-size: 1.5rem;
  margin-bottom: 2rem;
  color: var(--text-light);
}

.form-group-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  margin-bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.form-input, .form-select {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  padding: 0.9rem 1.2rem;
  border-radius: 10px;
  color: var(--text-light);
  font-size: 0.95rem;
  transition: var(--transition-fast);
  outline: none;
  font-family: var(--font-body);
}

.form-input:focus, .form-select:focus {
  border-color: var(--color-violet);
  background: rgba(255, 255, 255, 0.05);
  box-shadow: 0 0 10px var(--color-violet-glow);
}

.form-select option {
  background-color: var(--bg-secondary);
  color: var(--text-light);
}

/* Booking Summary Card */
.summary-card {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(138, 43, 226, 0.15);
  background: radial-gradient(circle at top right, rgba(138, 43, 226, 0.05) 0%, rgba(255, 255, 255, 0.01) 80%);
}

.summary-header {
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
}

.summary-title {
  font-family: var(--font-header);
  font-size: 1.35rem;
  color: var(--color-amber);
  margin-bottom: 0.5rem;
}

.summary-subtitle {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.summary-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.summary-row .label {
  color: var(--text-muted);
}

.summary-row .value {
  font-weight: 600;
}

.summary-total {
  border-top: 1px solid var(--glass-border);
  padding-top: 1.5rem;
  margin-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.total-label {
  font-family: var(--font-header);
  font-size: 1.1rem;
  font-weight: 600;
  text-transform: uppercase;
}

.total-price {
  font-family: var(--font-header);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-violet);
  text-shadow: 0 0 15px var(--color-violet-glow);
}

.booking-success-message {
  display: none;
  text-align: center;
  padding: 4rem 2rem;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
}

.success-icon {
  width: 64px;
  height: 64px;
  background: rgba(255, 183, 3, 0.15);
  border: 1px solid var(--color-amber);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-amber);
  font-size: 2rem;
}

/* Contact Footer Section */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 5rem 5% 2.5rem;
  position: relative;
  background-color: var(--bg-primary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 4rem;
  max-width: 1200px;
  margin: 0 auto 4rem;
}

.footer-brand .logo-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 1.25rem 0 1.75rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition-fast);
}

.social-btn:hover {
  background: var(--color-violet);
  border-color: var(--color-violet);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px var(--color-violet-glow);
}

.footer-title {
  font-family: var(--font-header);
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  letter-spacing: 1px;
  position: relative;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

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

.footer-links a:hover {
  color: var(--color-amber);
  padding-left: 5px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-item svg {
  width: 18px;
  height: 18px;
  fill: var(--color-violet);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--glass-border);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 2rem;
}

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

.footer-bottom-links a:hover {
  color: var(--color-violet);
}

/* Animations Trigger Classes */
.reveal {
  position: relative;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .about-grid, .booking-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
    z-index: 1001;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background-color: var(--bg-secondary);
    border-left: 1px solid var(--glass-border);
    flex-direction: column;
    justify-content: center;
    gap: 2rem;
    transition: var(--transition-smooth);
    z-index: 1000;
  }
  
  .nav-links.active {
    right: 0;
  }
  
  .navbar {
    padding: 1rem 5%;
  }

  .nav-links a {
    font-size: 1.1rem;
  }

  .lang-selector {
    margin-right: 1.5rem;
  }

  .timeline-line {
    left: 20px;
  }

  .timeline-dot {
    left: 20px;
  }

  .timeline-content {
    width: calc(100% - 50px);
    margin-left: 50px;
    text-align: left !important;
  }

  .timeline-event:nth-child(even) {
    justify-content: flex-start;
  }

  .timeline-event:nth-child(odd) .timeline-content {
    text-align: left;
  }

  .booking-form-wrapper, .summary-card {
    padding: 2rem 1.5rem;
  }

  .form-group-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

/* ==========================================
   Nuevos Estilos: Pabellones y Cajón de Detalles
   ========================================== */

/* Pabellón del Cosmos (Grid) */
.cosmos-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  align-items: stretch;
}

.cosmos-stages {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.cosmos-stage {
  padding: 1.5rem;
  border-radius: 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.cosmos-stage:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(138, 43, 226, 0.3);
  transform: translateX(5px);
}

.cosmos-stage.active {
  background: rgba(138, 43, 226, 0.06);
  border-color: var(--color-violet);
  box-shadow: 0 0 15px var(--color-violet-glow);
}

.cosmos-stage h4 {
  font-family: var(--font-header);
  font-size: 1.05rem;
  margin-bottom: 0.5rem;
  color: var(--color-amber);
  transition: var(--transition-fast);
}

.cosmos-stage.active h4 {
  color: var(--text-light);
  text-shadow: 0 0 10px var(--color-violet);
}

.cosmos-stage p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Simulador Canvas */
.simulation-card {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(0, 180, 216, 0.15);
  background: radial-gradient(circle at bottom right, rgba(0, 180, 216, 0.05) 0%, rgba(255, 255, 255, 0.01) 80%);
}

.simulation-header h3 {
  font-family: var(--font-header);
  font-size: 1.35rem;
  color: var(--color-accent-blue);
  margin-bottom: 0.5rem;
}

.simulation-header p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.4;
}

.canvas-wrapper {
  position: relative;
  width: 100%;
  height: 320px;
  background-color: #020206;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.8);
}

#solar-sim-canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: crosshair;
}

.simulation-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
}

.btn-small {
  padding: 0.6rem 1.4rem;
  font-size: 0.8rem;
}

.sim-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-family: var(--font-header);
  color: var(--text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #00f5d4;
  box-shadow: 0 0 10px #00f5d4;
  animation: pulse-green 1.5s infinite alternate;
}

@keyframes pulse-green {
  0% { opacity: 0.4; }
  100% { opacity: 1; }
}

/* Pabellón de la Tierra (Slider & Explorer) */
.earth-interactive {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem;
  border: 1px solid rgba(255, 183, 3, 0.15);
  background: radial-gradient(circle at top left, rgba(255, 183, 3, 0.04) 0%, rgba(255, 255, 255, 0.01) 80%);
}

.earth-explorer-header h3 {
  font-family: var(--font-header);
  font-size: 1.5rem;
  color: var(--color-amber);
  margin-bottom: 2.5rem;
  text-align: center;
}

.earth-slider-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 800px;
  margin: 0 auto 3.5rem;
}

.earth-slider-container label {
  font-family: var(--font-header);
  font-size: 0.85rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: center;
}

.slider-wrapper {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.slider-boundary {
  font-family: var(--font-header);
  font-size: 0.85rem;
  color: var(--text-muted);
}

#earth-time-slider {
  flex-grow: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  outline: none;
  cursor: pointer;
}

#earth-time-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-amber);
  border: 2px solid var(--text-light);
  box-shadow: 0 0 10px var(--color-amber-glow);
  transition: var(--transition-fast);
}

#earth-time-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
}

.slider-ticks {
  display: flex;
  justify-content: space-between;
  padding: 0 4rem;
  font-family: var(--font-header);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.slider-ticks span {
  width: 60px;
  text-align: center;
}

.era-header-panel {
  text-align: center;
  margin-bottom: 2.5rem;
}

.era-header-panel span {
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
}

#earth-current-era {
  font-family: var(--font-header);
  font-size: 2.25rem;
  color: var(--color-amber);
  text-shadow: 0 0 15px var(--color-amber-glow);
  margin-top: 0.25rem;
}

.earth-parameters {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3.5rem;
}

.param-box {
  padding: 1.5rem;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.param-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 1px;
}

.gauge-bg {
  width: 100%;
  height: 6px;
  background-color: var(--bg-primary);
  border-radius: 3px;
  overflow: hidden;
}

.gauge-fill {
  height: 100%;
  border-radius: 3px;
  width: 0%;
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.param-value {
  font-family: var(--font-header);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
}

.spheres-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.sphere-card {
  padding: 2rem;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--glass-border);
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: var(--transition-smooth);
}

.sphere-card:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 183, 3, 0.3);
  transform: translateY(-3px);
}

.sphere-icon {
  font-size: 2rem;
  line-height: 1;
}

.sphere-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Línea de tiempo interactiva (Ajustes de render dinámico) */
#timeline-container {
  display: flex;
  flex-direction: column;
}

/* Botón flotante en el item de la línea de tiempo */
.timeline-content-btn {
  margin-top: 1.25rem;
  background: none;
  border: 1px solid var(--glass-border);
  padding: 0.5rem 1.2rem;
  border-radius: 20px;
  color: var(--text-light);
  font-family: var(--font-header);
  font-size: 0.8rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.timeline-event:hover .timeline-content-btn {
  border-color: var(--color-violet);
  background-color: rgba(138, 43, 226, 0.1);
}

.timeline-event.earth-event:hover .timeline-content-btn {
  border-color: var(--color-amber);
  background-color: rgba(255, 183, 3, 0.1);
}

.timeline-content-btn:hover {
  transform: scale(1.05);
}

/* Detail Drawer (Cajón de detalles lateral) */
.detail-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100vh;
  z-index: 2000;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.detail-drawer.active {
  pointer-events: auto;
  opacity: 1;
}

.drawer-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(4, 4, 9, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.drawer-content {
  position: absolute;
  top: 0;
  right: -550px;
  width: 100%;
  max-width: 500px;
  height: 100%;
  border-radius: 0;
  border-left: 1px solid var(--glass-border);
  border-top: none;
  border-bottom: none;
  background: rgba(12, 12, 22, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 4rem 2.5rem 2.5rem;
  overflow-y: auto;
  transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5);
}

.detail-drawer.active .drawer-content {
  right: 0;
}

.drawer-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.drawer-close:hover {
  background: var(--color-violet);
  border-color: var(--color-violet);
  transform: rotate(90deg);
}

.drawer-tag {
  font-family: var(--font-header);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-amber);
  margin-bottom: 0.75rem;
  display: inline-block;
}

.drawer-title {
  font-family: var(--font-header);
  font-size: 1.85rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  color: var(--text-light);
}

.drawer-desc {
  color: var(--text-muted);
  font-size: 0.98rem;
  line-height: 1.8;
  margin-bottom: 2rem;
}

.drawer-did-you-know {
  padding: 1.5rem;
  border-radius: 12px;
  background: rgba(255, 183, 3, 0.04);
  border-left: 3px solid var(--color-amber);
  margin-bottom: 1.5rem;
}

.drawer-did-you-know h4 {
  font-family: var(--font-header);
  font-size: 0.95rem;
  color: var(--color-amber);
  margin-bottom: 0.5rem;
}

.drawer-did-you-know p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.drawer-connection {
  padding: 1.5rem;
  border-radius: 12px;
  background: rgba(138, 43, 226, 0.05);
  border-left: 3px solid var(--color-violet);
  margin-bottom: 1rem;
}

.drawer-connection h4 {
  font-family: var(--font-header);
  font-size: 0.95rem;
  color: var(--color-violet);
  margin-bottom: 0.5rem;
}

.drawer-connection p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================
   Ajustes de Media Queries para los Pabellones
   ========================================== */
@media (max-width: 1024px) {
  .cosmos-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .earth-parameters {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .spheres-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

@media (max-width: 768px) {
  .earth-interactive {
    padding: 2rem 1.25rem;
  }
  
  #earth-current-era {
    font-size: 1.75rem;
  }
  
  .slider-ticks {
    padding: 0 1rem;
    font-size: 0.65rem;
  }
  
  .slider-ticks span {
    width: 45px;
  }
  
  .drawer-content {
    max-width: 100%;
    padding: 5rem 1.5rem 2rem;
  }
}

/* ==========================================
   Estilos de Terminal / Kiosco de Exhibiciones
   ========================================== */
.specimen-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.specimen-modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(2, 2, 6, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.modal-container {
  position: relative;
  width: 92%;
  max-width: 1100px;
  max-height: 90vh;
  background: rgba(12, 12, 22, 0.95);
  border: 1px solid rgba(0, 180, 216, 0.2);
  border-radius: 24px;
  padding: 3rem;
  overflow-y: auto;
  z-index: 2101;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 180, 216, 0.15);
  transform: translateY(30px) scale(0.98);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.specimen-modal.active .modal-container {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 2rem;
  right: 2rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--color-accent-blue);
  border-color: var(--color-accent-blue);
  color: var(--text-light);
  transform: rotate(90deg);
  box-shadow: 0 0 12px rgba(0, 180, 216, 0.5);
}

.modal-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1.5rem;
}

.modal-system-title {
  font-family: var(--font-header);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-accent-blue);
  letter-spacing: 3px;
  display: block;
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

#modal-specimen-title {
  font-family: var(--font-header);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: 1px;
}

.modal-content-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 3.5rem;
  align-items: start;
}

/* Visor de Imagenes Izquierdo */
.modal-viewer {
  position: relative;
  width: 100%;
  border-radius: 16px;
  border: 1px solid var(--glass-border);
  background-color: #020206;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
}

.modal-viewer img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: var(--transition-smooth);
}

/* Efecto especial para Kepler */
.modal-viewer img.planet-filter {
  filter: hue-rotate(145deg) saturate(1.8) brightness(0.85);
}

.modal-viewer-glow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(0,0,0,0) 60%, rgba(2,2,6,0.8) 100%);
  pointer-events: none;
}

/* Panel de Pestañas Derecho */
.modal-panel {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.modal-tabs {
  display: flex;
  gap: 1rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1rem;
}

.modal-tab-btn {
  background: none;
  border: none;
  font-family: var(--font-header);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem 1rem;
  position: relative;
  transition: var(--transition-fast);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.modal-tab-btn:hover {
  color: var(--text-light);
}

.modal-tab-btn.active {
  color: var(--color-accent-blue);
  text-shadow: 0 0 8px rgba(0, 180, 216, 0.4);
}

.modal-tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-accent-blue);
  box-shadow: 0 0 10px var(--color-accent-blue);
}

/* Contenido de Pestañas */
.modal-tab-content {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.modal-tab-content.active {
  display: block;
}

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

#modal-desc-text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 2rem;
}

/* Ficha Técnica */
.tech-specs-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.tech-spec-item {
  padding: 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: var(--transition-fast);
}

.tech-spec-item:hover {
  background: rgba(255,255,255,0.04);
  border-color: rgba(0, 180, 216, 0.2);
}

.tech-spec-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 1px;
}

.tech-spec-value {
  font-family: var(--font-header);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-amber);
}

/* Pestaña de Gráfico de Laboratorio */
.analysis-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.analysis-chart-container {
  width: 100%;
  height: 250px;
  background-color: #020207;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 15px rgba(0,0,0,0.8);
}

.analysis-chart-container svg {
  width: 100%;
  height: 100%;
}

.analysis-explanation {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  padding: 1.25rem;
  border-radius: 10px;
  background: rgba(0, 180, 216, 0.03);
  border-left: 3px solid var(--color-accent-blue);
}

/* Estilo para los botones en las tarjetas de Galería */
.gallery-card {
  cursor: pointer;
  transition: var(--transition-smooth);
}

.gallery-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(138, 43, 226, 0.15);
  border-color: rgba(138, 43, 226, 0.25);
}

.gallery-card.astronomy:hover {
  box-shadow: 0 10px 25px rgba(0, 180, 216, 0.15);
  border-color: rgba(0, 180, 216, 0.25);
}

/* Media Queries para el Modal de Exhibiciones */
@media (max-width: 1024px) {
  .modal-content-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  
  .modal-container {
    padding: 2.5rem 2rem;
  }
}

@media (max-width: 768px) {
  #modal-specimen-title {
    font-size: 1.75rem;
  }
  
  .tech-specs-list {
    grid-template-columns: 1fr;
  }
  
  .modal-tabs {
    flex-wrap: wrap;
    gap: 0.5rem;
  }
  
  .modal-tab-btn {
    font-size: 0.8rem;
    padding: 0.4rem 0.6rem;
  }
}

/* ==========================================================================
   Chatbot Widget (SAM) Premium Styles
   ========================================================================== */
.chatbot-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  font-family: var(--font-body);
}

/* Floating Trigger Button */
.chat-trigger {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-violet), var(--color-amber));
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(138, 43, 226, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: var(--transition-smooth);
}

.chat-trigger:hover {
  transform: scale(1.08) rotate(5deg);
  box-shadow: 0 8px 30px rgba(138, 43, 226, 0.6), 0 0 15px var(--color-amber-glow);
}

.chat-trigger .chat-icon {
  font-size: 1.6rem;
  color: var(--text-light);
  display: block;
}

.chat-trigger .chat-close-icon {
  font-size: 1.4rem;
  color: var(--text-light);
  display: none;
}

.chat-trigger.active .chat-icon {
  display: none;
}

.chat-trigger.active .chat-close-icon {
  display: block;
}

/* Pulsing Outer Ring */
.chat-pulse {
  position: absolute;
  top: -5px;
  left: -5px;
  right: -5px;
  bottom: -5px;
  border-radius: 50%;
  border: 2px solid var(--color-violet-glow);
  opacity: 0;
  animation: pulse-ring 2.5s infinite;
  pointer-events: none;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.1); opacity: 0.2; }
  100% { transform: scale(1.2); opacity: 0; }
}

/* Chat Window Box */
.chat-window {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 380px;
  height: 520px;
  max-width: calc(100vw - 4rem);
  max-height: calc(100vh - 120px);
  background: rgba(12, 12, 22, 0.9);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6), 0 0 20px rgba(138, 43, 226, 0.1);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.chat-window.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

/* Chat Header */
.chat-header {
  padding: 1.25rem 1.5rem;
  background: linear-gradient(90deg, rgba(138, 43, 226, 0.2), rgba(255, 183, 3, 0.05));
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chat-avatar-status {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.chat-avatar {
  width: 36px;
  height: 36px;
  background: rgba(255, 183, 3, 0.15);
  border: 1px solid var(--color-amber-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.chat-status-info {
  display: flex;
  flex-direction: column;
}

.chat-bot-name {
  font-family: var(--font-header);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-light);
  letter-spacing: 0.5px;
}

.chat-status-info .chat-status {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: color 0.3s ease;
}

.chat-status-info .chat-status.online-text {
  color: var(--color-accent-blue);
}

.chat-header-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 4px;
}

.chat-header-close:hover {
  color: var(--text-light);
  transform: scale(1.1);
}

/* Chat Messages Scrolling Pane */
.chat-messages {
  flex-grow: 1;
  padding: 1.5rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  scroll-behavior: smooth;
}

/* Message Bubble */
.chat-message {
  max-width: 80%;
  display: flex;
  flex-direction: column;
  animation: message-slide-in 0.35s ease forwards;
}

@keyframes message-slide-in {
  0% { opacity: 0; transform: translateY(10px); }
  100% { opacity: 1; transform: translateY(0); }
}

.chat-message.bot {
  align-self: flex-start;
}

.chat-message.user {
  align-self: flex-end;
}

.chat-bubble {
  padding: 0.85rem 1.15rem;
  border-radius: 18px;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-light);
}

.chat-message.bot .chat-bubble {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-top-left-radius: 4px;
}

.chat-message.user .chat-bubble {
  background: linear-gradient(135deg, var(--color-violet), rgba(138, 43, 226, 0.6));
  border-top-right-radius: 4px;
  box-shadow: 0 4px 15px rgba(138, 43, 226, 0.2);
}

/* Direct Action Buttons inside chatbot responses */
.chat-action-btn {
  margin-top: 0.75rem;
  background: rgba(255, 183, 3, 0.15);
  border: 1px solid var(--color-amber-glow);
  color: var(--color-amber);
  padding: 0.5rem 1rem;
  border-radius: 12px;
  font-family: var(--font-header);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-transform: uppercase;
  width: fit-content;
}

.chat-action-btn:hover {
  background: var(--color-amber);
  color: var(--bg-primary);
  box-shadow: 0 0 12px var(--color-amber-glow);
  transform: translateY(-1px);
}

/* Typing Indicator Animation */
.chat-typing-indicator {
  display: none;
  align-self: flex-start;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  padding: 0.6rem 1rem;
  border-radius: 18px;
  border-top-left-radius: 4px;
  gap: 4px;
}

.chat-typing-indicator.active {
  display: flex;
}

.chat-typing-indicator span {
  width: 6px;
  height: 6px;
  background-color: var(--text-muted);
  border-radius: 50%;
  animation: typing-bounce 1.4s infinite ease-in-out both;
}

.chat-typing-indicator span:nth-child(1) { animation-delay: -0.32s; }
.chat-typing-indicator span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing-bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1.0); }
}

/* Suggested Tags */
.chat-suggestions {
  display: flex;
  overflow-x: auto;
  gap: 0.5rem;
  padding: 0.5rem 1.5rem 0.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.02);
  scrollbar-width: none; /* Hide scrollbar for Firefox */
  -ms-overflow-style: none; /* Hide scrollbar for IE/Edge */
}

.chat-suggestions::-webkit-scrollbar {
  display: none; /* Hide scrollbar for Chrome/Safari */
}

.chat-suggest-tag {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  padding: 0.4rem 0.8rem;
  border-radius: 15px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.chat-suggest-tag:hover {
  background: rgba(138, 43, 226, 0.1);
  border-color: var(--color-violet-glow);
  color: var(--text-light);
  transform: translateY(-1px);
}

/* Chat Input Bar Form */
.chat-input-area {
  display: flex;
  padding: 1rem 1.25rem;
  background: rgba(4, 4, 9, 0.5);
  border-top: 1px solid var(--glass-border);
  gap: 0.75rem;
  align-items: center;
}

.chat-input-field {
  flex-grow: 1;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  color: var(--text-light);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition-fast);
}

.chat-input-field:focus {
  border-color: var(--color-violet-glow);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 10px rgba(138, 43, 226, 0.15);
}

.chat-send-btn {
  background: linear-gradient(135deg, var(--color-violet), rgba(138, 43, 226, 0.8));
  color: var(--text-light);
  border: none;
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  font-family: var(--font-header);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.chat-send-btn:hover {
  box-shadow: 0 4px 12px var(--color-violet-glow);
  transform: translateY(-1px);
}

/* Responsiveness for Mobile Devices */
@media (max-width: 480px) {
  .chatbot-container {
    bottom: 1rem;
    right: 1rem;
  }

  .chat-window {
    bottom: 70px;
    width: calc(100vw - 2rem);
    height: 440px;
    max-height: calc(100vh - 100px);
  }
}

/* Chatbot AI Settings Panel and LED status styles */
.chat-status-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
}

.chat-status-led {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.chat-status-led.online {
  background-color: var(--color-accent-blue);
  box-shadow: 0 0 8px var(--color-accent-blue);
  animation: led-blink-online 2s infinite ease-in-out;
}

.chat-status-led.offline {
  background-color: #888888;
  box-shadow: 0 0 4px rgba(136, 136, 136, 0.4);
}

@keyframes led-blink-online {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.chat-header-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  transition: var(--transition-fast);
  padding: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.chat-header-btn:hover {
  color: var(--text-light);
  transform: scale(1.1) rotate(30deg);
}

.chat-settings-panel {
  position: absolute;
  top: 66px; /* Right below header */
  left: 0;
  right: 0;
  background: rgba(15, 15, 25, 0.95);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--glass-border);
  padding: 1.25rem;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease, visibility 0.3s;
}

.chat-settings-panel.active {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.chat-settings-panel h4 {
  font-family: var(--font-header);
  font-size: 0.95rem;
  color: var(--text-light);
  margin: 0;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.chat-settings-desc {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin: 0;
}

.chat-settings-input-group {
  width: 100%;
}

.chat-settings-input {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: var(--text-light);
  font-size: 0.8rem;
  outline: none;
  transition: var(--transition-fast);
}

.chat-settings-input:focus {
  border-color: var(--color-accent-blue);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 8px rgba(0, 180, 216, 0.25);
}

.chat-settings-actions {
  display: flex;
  gap: 0.5rem;
}

.chat-settings-btn {
  flex: 1;
  padding: 0.55rem;
  border-radius: 8px;
  font-family: var(--font-header);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
  border: none;
  text-align: center;
}

.chat-settings-btn.save {
  background: linear-gradient(135deg, var(--color-accent-blue), rgba(0, 180, 216, 0.8));
  color: #05050a;
}

.chat-settings-btn.save:hover {
  box-shadow: 0 0 10px rgba(0, 180, 216, 0.4);
  transform: translateY(-1px);
}

.chat-settings-btn.delete {
  background: rgba(239, 71, 111, 0.15);
  border: 1px solid rgba(239, 71, 111, 0.4);
  color: #ef476f;
}

.chat-settings-btn.delete:hover {
  background: rgba(239, 71, 111, 0.25);
  transform: translateY(-1px);
}

.chat-api-link {
  font-size: 0.7rem;
  color: var(--color-accent-blue);
  text-decoration: none;
  align-self: center;
  transition: var(--transition-fast);
}

.chat-api-link:hover {
  text-decoration: underline;
  opacity: 0.9;
}

/* Info bubble for settings alert */
.chat-info-bubble {
  align-self: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.4rem 0.8rem;
  border-radius: 12px;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 90%;
  margin: 0.25rem 0;
  animation: message-slide-in 0.3s ease forwards;
}

/* ==========================================================================
   Responsive Upgrades (Mobile & Tablet)
   ========================================================================== */

/* Fix: Gallery Grid Column Width limit to prevent horizontal overflow */
.gallery-grid {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

@media (max-width: 768px) {
  /* Fix: Background Fixed Lag on Mobile Devices */
  .hero {
    background-attachment: scroll;
  }
  
  /* Fix: Timeline Content Padding adjustment for smaller viewports */
  .timeline-content {
    padding: 1.25rem 1rem;
  }

  /* Fix: Timeline Tabs Wrap and Spacing to prevent overflow */
  .timeline-nav {
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 2.5rem;
  }
  
  .timeline-tab {
    padding: 0.5rem 1.25rem;
    font-size: 0.8rem;
  }

  /* Fix: Cosmos Simulation Card padding */
  .simulation-card {
    padding: 1.25rem;
  }
  
  /* Fix: Modal padding and layout for smaller screens */
  .modal-container {
    padding: 2rem 1.25rem;
    border-radius: 16px;
  }

  .modal-close {
    top: 1rem;
    right: 1rem;
    width: 32px;
    height: 32px;
    font-size: 0.95rem;
  }
  
  .modal-viewer {
    max-height: 240px;
  }
}

@media (max-width: 480px) {
  /* Fix: Navbar Logo scaling to fit with controls on mobile portrait */
  .navbar {
    padding: 0.8rem 4%;
  }

  .nav-logo {
    font-size: 1.15rem;
    gap: 0.35rem;
  }
  
  .nav-logo svg {
    width: 22px;
    height: 22px;
  }
  
  .lang-selector {
    font-size: 0.8rem;
  }

  /* Fix: Hero Tagline wrap */
  .hero-tagline {
    font-size: 0.9rem;
    letter-spacing: 3px;
    margin-bottom: 1rem;
  }

  .hero-cta-container {
    gap: 1rem;
    width: 100%;
  }
  
  .hero-cta-container .btn {
    width: 100%;
    justify-content: center;
  }

  /* Fix: Gallery Filter Wrap */
  .gallery-filter {
    gap: 0.5rem;
    margin-bottom: 2rem;
  }

  .filter-btn {
    font-size: 0.85rem;
    padding: 0.4rem 0.6rem;
  }

  /* Fix: Earth Wing slider ticks */
  .slider-ticks {
    padding: 0 0.5rem;
    font-size: 0.58rem;
  }

  .slider-ticks span {
    width: auto;
  }

  /* Fix: Spheres cards padding */
  .sphere-card {
    padding: 1.25rem;
    gap: 0.75rem;
  }
  
  .sphere-icon {
    font-size: 1.5rem;
  }
}

/* ==========================================
   Fase 6: Simulators Styling (Telescope & Fossil)
   ========================================== */

/* Section Tabs navigation */
.section-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin: 0 auto 2.5rem auto;
  max-width: 600px;
  background: rgba(255, 255, 255, 0.02);
  padding: 0.5rem;
  border-radius: 50px;
  border: 1px solid var(--glass-border);
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.5);
}

.section-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.75rem 1.5rem;
  font-family: var(--font-header);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.section-tab-btn:hover {
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.05);
}

.section-tab-btn.active {
  color: var(--bg-primary);
  background: linear-gradient(135deg, var(--color-violet), var(--color-amber));
  box-shadow: 0 0 15px rgba(255, 183, 3, 0.3);
}

/* Tab Panels */
.cosmos-tab-content, .earth-tab-content {
  animation: tabFadeIn 0.5s ease forwards;
}

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

/* Telescope Simulator Container */
.telescope-builder-container {
  padding: 2.5rem;
}

.telescope-builder-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1.5rem;
}

.telescope-builder-header h3 {
  font-family: var(--font-header);
  font-size: 1.5rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 10px var(--color-violet-glow);
}

.telescope-builder-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.telescope-builder-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
}

.telescope-controls-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.control-label {
  font-family: var(--font-header);
  font-size: 0.85rem;
  color: var(--text-light);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.telescope-type-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  background: rgba(0, 0, 0, 0.3);
  padding: 0.25rem;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
}

.type-toggle-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 0.6rem 1rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.type-toggle-btn.active {
  color: var(--text-light);
  background: var(--bg-tertiary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

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

.slider-value-badge {
  font-size: 0.75rem;
  font-weight: bold;
  background: var(--color-violet);
  color: var(--text-light);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-family: monospace;
}

.control-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.1);
  outline: none;
  transition: background 0.3s;
}

.control-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-amber);
  cursor: pointer;
  box-shadow: 0 0 8px var(--color-amber-glow);
  transition: transform 0.1s;
}

.control-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.control-select {
  background: rgba(12, 12, 22, 0.8);
  border: 1px solid var(--glass-border);
  color: var(--text-light);
  padding: 0.75rem;
  border-radius: 8px;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.control-select:focus {
  border-color: var(--color-violet);
  box-shadow: 0 0 10px var(--color-violet-glow);
}

.telescope-stats-panel {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  padding: 1rem;
  border: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.stat-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
}

.stat-lbl {
  color: var(--text-muted);
}

.stat-val {
  font-family: monospace;
  font-weight: bold;
}

/* Eyepiece / Visual section */
.telescope-viewer-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.telescope-schematic-container {
  background: rgba(0, 0, 0, 0.4);
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: center;
}

.schematic-label {
  font-family: var(--font-header);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  align-self: flex-start;
}

.telescope-tube-graphic {
  display: flex;
  align-items: center;
  height: 80px;
  width: 100%;
  justify-content: center;
  position: relative;
}

.tube-objective {
  width: 18px;
  height: 60px;
  background: linear-gradient(to right, #00b4d8, #fff);
  border-radius: 50% 8px 8px 50%;
  border: 2px solid rgba(255, 255, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: #000;
  font-weight: bold;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  box-shadow: 0 0 15px rgba(0, 180, 216, 0.5);
  z-index: 2;
  transition: var(--transition-smooth);
}

.tube-body {
  height: 50px;
  background: linear-gradient(to bottom, #131424, #0c0c16);
  border: 1.5px solid rgba(255, 255, 255, 0.1);
  border-left: none;
  border-right: none;
  box-shadow: inset 0 5px 15px rgba(255, 255, 255, 0.05);
  transition: width 0.3s ease;
  z-index: 1;
}

.tube-focuser {
  height: 30px;
  width: 50px;
  background: #333;
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  border-radius: 0 4px 4px 0;
  position: relative;
  z-index: 1;
}

.tube-eyepiece {
  width: 14px;
  height: 40px;
  background: #111;
  border: 1.5px solid #555;
  border-radius: 2px 5px 5px 2px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.55rem;
  font-weight: bold;
  color: #fff;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  z-index: 2;
}

/* Eyepiece Viewer */
.eyepiece-viewer-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
}

.eyepiece-lens-frame {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 6px solid #1c1d30;
  box-shadow: 0 0 25px rgba(0, 0, 0, 0.8), inset 0 0 20px rgba(0,0,0,0.9);
  position: relative;
  overflow: hidden;
  background: #010103;
  display: flex;
  align-items: center;
  justify-content: center;
}

.eyepiece-image {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, filter 0.1s ease;
}

.eyepiece-reticle {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: radial-gradient(circle, transparent 35%, rgba(0, 0, 0, 0.4) 100%);
  pointer-events: none;
  z-index: 4;
}

.eyepiece-reticle::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  background: rgba(0, 180, 216, 0.25);
}

.eyepiece-reticle::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  background: rgba(0, 180, 216, 0.25);
}

.eyepiece-alert {
  position: absolute;
  bottom: 12px;
  left: 10px;
  right: 10px;
  background: rgba(193, 18, 31, 0.85);
  color: #fff;
  font-size: 0.65rem;
  padding: 0.3rem 0.5rem;
  border-radius: 4px;
  text-align: center;
  font-family: var(--font-body);
  z-index: 5;
  transition: opacity 0.3s;
}

.eyepiece-focus-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Targets CSS rendering inside eyepiece */
.target-saturn {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 70% 30%, #15152a 0%, #030308 100%);
}

.saturn-ring {
  width: 120px;
  height: 25px;
  border-radius: 50%;
  border: 8px solid rgba(233, 196, 106, 0.7);
  box-shadow: 0 0 10px rgba(233, 196, 106, 0.2);
  transform: rotate(-12deg);
  position: absolute;
  z-index: 2;
}

.saturn-ring-back {
  width: 120px;
  height: 25px;
  border-radius: 50%;
  border: 8px solid rgba(233, 196, 106, 0.7);
  box-shadow: 0 0 10px rgba(233, 196, 106, 0.2);
  transform: rotate(-12deg);
  position: absolute;
  z-index: 0;
}

.saturn-body {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #f4a261 0%, #e76f51 50%, #2a1b1b 100%);
  box-shadow: inset -5px -5px 15px rgba(0, 0, 0, 0.8), 0 0 15px rgba(244, 162, 97, 0.3);
  position: absolute;
  z-index: 1;
}

.target-orion {
  width: 100%;
  height: 100%;
  background: #020205;
  position: relative;
  overflow: hidden;
}

.orion-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(25px);
  mix-blend-mode: screen;
}

.orion-blob-violet {
  width: 100px;
  height: 100px;
  background: radial-gradient(circle, rgba(138, 43, 226, 0.6) 0%, transparent 70%);
  top: 40px;
  left: 40px;
}

.orion-blob-orange {
  width: 90px;
  height: 90px;
  background: radial-gradient(circle, rgba(255, 183, 3, 0.5) 0%, transparent 70%);
  top: 60px;
  left: 80px;
}

.orion-blob-blue {
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(0, 180, 216, 0.5) 0%, transparent 70%);
  top: 30px;
  left: 20px;
}

.orion-star {
  position: absolute;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 8px #fff;
}

.target-kepler {
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 80%, #1a0808 0%, #020101 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.kepler-body {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, #a23c3c 0%, #4a1212 60%, #150202 100%);
  box-shadow: inset -6px -6px 12px rgba(0, 0, 0, 0.9), 0 0 12px rgba(162, 60, 60, 0.4);
  position: relative;
  z-index: 1;
}

.kepler-star-bg {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: radial-gradient(circle, #ff5c5c 0%, #c1121f 50%, transparent 90%);
  filter: blur(2px);
  opacity: 0.8;
}

/* ==========================================
   Fossil Identification Simulator Styling
   ========================================== */

.fossil-lab-container {
  padding: 2.5rem;
}

.fossil-lab-header {
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1.5rem;
}

.fossil-lab-header h3 {
  font-family: var(--font-header);
  font-size: 1.5rem;
  color: var(--text-light);
  margin-bottom: 0.5rem;
  text-shadow: 0 0 10px var(--color-amber-glow);
}

.fossil-lab-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.fossil-lab-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2.5rem;
}

.fossil-excavation-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.fossil-tools-container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
}

.fossil-tool-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  padding: 0.8rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  transition: var(--transition-smooth);
}

.fossil-tool-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-light);
}

.fossil-tool-btn.active {
  background: rgba(255, 183, 3, 0.1);
  border-color: var(--color-amber);
  color: var(--text-light);
  box-shadow: 0 0 12px var(--color-amber-glow);
}

.digging-site-wrapper {
  width: 100%;
  height: 320px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
  background: #2b1f1a;
  box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.8);
}

.digging-grid-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: repeat(4, 1fr);
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 3;
}

.rock-tile {
  background: linear-gradient(135deg, #4e3629, #38251c);
  border: 1px solid rgba(0, 0, 0, 0.4);
  box-shadow: inset 2px 2px 5px rgba(255, 255, 255, 0.05);
  cursor: crosshair;
  transition: opacity 0.4s ease, transform 0.2s;
}

.rock-tile.cracked {
  background: linear-gradient(135deg, #3d291e, #291a13);
  filter: contrast(1.2) brightness(0.8);
  position: relative;
}

.rock-tile.cracked::before {
  content: "⚡";
  font-size: 1rem;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(25deg);
  opacity: 0.15;
  pointer-events: none;
}

.rock-tile.cleared {
  opacity: 0;
  pointer-events: none;
}

.fossil-underlay-image {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  pointer-events: none;
}

.fossil-underlay-image svg {
  width: 180px;
  height: 180px;
  filter: drop-shadow(0 4px 15px rgba(0,0,0,0.6));
}

.fossil-dirt-overlay {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background: rgba(65, 43, 31, 0.95);
  z-index: 2;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.fossil-lens-detail {
  position: absolute;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  border: 3px solid var(--color-amber);
  box-shadow: 0 0 15px var(--color-amber-glow), inset 0 0 15px rgba(0,0,0,0.8);
  pointer-events: none;
  z-index: 4;
  display: none;
  background-size: cover;
  background-color: rgba(255, 183, 3, 0.05);
}

.fossil-progress-panel {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  padding: 1rem;
  border: 1px solid var(--glass-border);
}

.progress-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.progress-lbl {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.fossil-field-guide-card {
  padding: 1.5rem;
  height: 100%;
}

.guide-title {
  font-family: var(--font-header);
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 0.75rem;
}

.guide-question-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.guide-question {
  font-weight: 600;
  color: var(--text-light);
  font-size: 0.9rem;
}

.guide-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.guide-opt-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: var(--transition-fast);
}

.guide-opt-label:hover {
  background: rgba(255, 255, 255, 0.02);
  color: var(--text-light);
}

.guide-opt-label input[type="radio"] {
  margin-top: 0.15rem;
  accent-color: var(--color-amber);
}

.fossil-id-status {
  margin-top: 1.25rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid transparent;
}

.fossil-id-status.success {
  background: rgba(46, 196, 182, 0.15);
  border-color: #2ec4b6;
  color: #2ec4b6;
}

.fossil-id-status.error {
  background: rgba(193, 18, 31, 0.15);
  border-color: #c1121f;
  color: #f7a3a3;
}

/* ==========================================
   Responsiveness overrides for new elements
   ========================================== */
@media (max-width: 900px) {
  .telescope-builder-grid, .fossil-lab-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .telescope-builder-container, .fossil-lab-container {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .section-tab-btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
  .fossil-tools-container {
    grid-template-columns: 1fr;
  }
}