/*
 * 1. Enhanced Typography - Space-Themed Fonts
 */
@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@300;400;500;600&family=Orbitron:wght@400;500;600;700;800;900&display=swap");

/*
 * 2.0 Global Style - Enhanced Space Theme
 */
:root {
  --primary-color: #0a192f;
  --secondary-color: #112240;
  --accent-color: #06b6d4;
  --accent-light: #22d3ee;
  --accent-dark: #0891b2;
  --accent-warm: #f0abfc;
  --teal-light: #cffafe;
  --teal-medium: #67e8f9;
  --text-primary: #0a192f;
  --text-secondary: #475569;
  --text-light: #64748b;
  --background: #ffffff;
  --background-light: #f8fafc;
  --background-accent: #f0fdfa;
  --border-color: #e2e8f0;
  --border-light: #f0fdfa;
  --shadow-soft: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-large: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --gradient-primary: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  --gradient-accent: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
  --gradient-hero: linear-gradient(
    135deg,
    rgba(10, 25, 47, 0.95) 0%,
    rgba(17, 34, 64, 0.85) 50%,
    rgba(6, 182, 212, 0.8) 100%
  );

  /* Space-themed font families */
  --font-primary: "Space Grotesk", "Inter", -apple-system, BlinkMacSystemFont,
    sans-serif;
  --font-secondary: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: "Orbitron", "Space Grotesk", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Monaco", "Menlo", monospace;
}

html {
  font-family: var(--font-primary);
  font-size: 16px;
  scroll-behavior: smooth;
  line-height: 1.6;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  position: relative;
  background-color: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  padding-top: 0 !important;
  margin-top: 0 !important;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
}

a:hover {
  color: var(--accent-dark);
  text-decoration: none;
}

a:focus {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
  border-radius: 4px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.025em;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* Enhanced display fonts for headers */
h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

h2 {
  font-family: var(--font-primary);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h3 {
  font-family: var(--font-primary);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.015em;
}

h4 {
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

p {
  margin: 0 0 1.5rem;
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.8;
  font-size: 1.1rem;
}

/* Enhanced List Styles */
ul {
  list-style: none;
  padding: 0;
}

ul li {
  font-weight: 400;
  margin-bottom: 1rem;
  position: relative;
  padding-left: 2rem;
  line-height: 1.7;
}

/* Only add arrows to content lists, not navbar */
.article-content ul li::before,
.content-section ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-color);
  font-weight: 600;
  font-size: 1.1rem;
}

/* Remove arrows from navbar items */
.navbar-nav ul li::before,
.navbar-nav li::before {
  display: none !important;
}

/* Remove all heavy card styling */
.modern-card,
.card {
  background: transparent;
  border: none;
  border-radius: 0;
  padding: 0;
  box-shadow: none;
  transition: none;
}

/*
 * 3.0 Modern Section Styling
 */
.section {
  padding: 6rem 0;
  position: relative;
}

.section-title {
  color: var(--text-primary);
  font-family: "Inter", "Manrope", sans-serif;
  font-weight: 800;
  font-size: clamp(2.5rem, 5vw, 4rem);
  letter-spacing: -0.04em;
  margin: 0 0 4rem;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

/* Center-aligned main titles */
.article-content h3 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin: 4rem 0 2rem;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  position: relative;
  text-align: center;
}

.article-content h3::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: -0.5rem;
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

/* Modern Content Layout */
.content-section {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

.content-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/*
 * 4.0 Enhanced Fluid Navigation - Fixed Bootstrap Integration
 */
.navbar-custom {
  border: 0;
  margin: 0;
  padding: 1rem 0;
  background: rgba(10, 25, 47, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(6, 182, 212, 0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(10, 25, 47, 0.3);
}

.navbar-custom.navbar-solid {
  background: rgba(10, 25, 47, 0.98);
  backdrop-filter: blur(20px) saturate(180%);
  padding: 0.8rem 0;
  box-shadow: 0 4px 25px rgba(10, 25, 47, 0.4);
}

/* Completely redesigned container layout for true centering */
.navbar-custom .container-fluid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  position: relative;
  height: 60px; /* Fixed height for consistent positioning */
}

/* Force absolute positioning for both logo and navbar to ensure independent positioning */
.navbar-custom .navbar-header {
  position: static; /* Reset to allow absolute positioning of children */
  width: 100%;
}

/* Absolute center positioning for navbar */
.navbar-custom .navbar-nav {
  display: flex;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%); /* True center */
  gap: 0.8rem;
  margin: 0;
  padding: 0;
  list-style: none;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: center;
}

.navbar-custom .navbar-nav > li {
  margin: 0;
}

.navbar-custom .navbar-nav > li > a {
  color: rgba(255, 255, 255, 0.85);
  font-family: "Inter", sans-serif;
  font-weight: 500;
  font-size: 0.9rem;
  text-transform: none;
  letter-spacing: 0.01em;
  padding: 0.75rem 1.2rem;
  min-width: 120px;
  white-space: nowrap;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}

.navbar-custom .navbar-nav > li > a::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(6, 182, 212, 0.1);
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.navbar-custom .navbar-nav > li > a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, #22d3ee 0%, #06b6d4 100%);
  transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar-custom .navbar-nav > li > a:hover::before {
  opacity: 1;
}

.navbar-custom .navbar-nav > li > a:hover {
  color: white;
  background: rgba(6, 182, 212, 0.2);
  transform: translateY(-1px);
}

.navbar-custom .navbar-nav > li > a:hover::after {
  width: 80%;
}

.navbar-custom .navbar-nav > .active > a {
  color: white;
  font-weight: 600;
  background: rgba(6, 182, 212, 0.3);
}

.navbar-custom .navbar-nav > .active > a::after {
  width: 80%;
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
}

/* Absolute positioning for logo */
.site-branding {
  position: absolute;
  left: 2rem;
  top: 50%;
  transform: translateY(-50%);
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1001;
}

.site-branding.visible {
  opacity: 1;
}

.site-branding .logo {
  color: white;
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-transform: none;
  background: linear-gradient(
    135deg,
    #ffffff 0%,
    #e0e7ff 40%,
    #22d3ee 70%,
    #06b6d4 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
  transition: none; /* Removed all transitions */
  white-space: nowrap;
  position: relative;
  display: inline-block;
  padding: 0;
  border-radius: 0;
}

/* Remove all hover effects for the logo */
.site-branding .logo::before {
  display: none; /* Completely hide the hover pseudo-element */
}

.site-branding .logo:hover {
  /* Remove all hover effects */
  transform: none;
  text-shadow: none;
  background: linear-gradient(
    135deg,
    #ffffff 0%,
    #e0e7ff 40%,
    #22d3ee 70%,
    #06b6d4 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Logo satellite icon animation */
.site-branding .logo::after {
  content: "🛰️";
  position: absolute;
  right: -0.5rem;
  top: -0.3rem;
  font-size: 0.8rem;
  animation: satellite-float 3s ease-in-out infinite;
  opacity: 0.8;
}

@keyframes satellite-float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-3px) rotate(10deg);
  }
}

/* Enhanced responsive logo sizing */
@media (max-width: 1200px) {
  .site-branding .logo {
    font-size: 1.3rem;
  }
}

@media (max-width: 992px) {
  .site-branding .logo {
    font-size: 1.2rem;
  }
}

@media (max-width: 768px) {
  .site-branding {
    position: static;
    transform: none;
    opacity: 1 !important;
    left: auto;
  }

  .site-branding .logo {
    font-size: 1.1rem;
    padding: 0.3rem 0.8rem;
  }

  .site-branding .logo::after {
    right: -0.3rem;
    top: -0.2rem;
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .site-branding .logo {
    font-size: 1rem;
    padding: 0.2rem 0.6rem;
  }
}

/* 
 * 5.0 Enhanced Hero Section - Fixed Layout
 */
.site-header {
  width: 100% !important;
  height: 100vh !important;
  min-height: 700px !important;
  position: relative !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: var(--gradient-hero),
    url("../img/background/bg.jpeg") no-repeat center center/cover !important;
  background-attachment: fixed !important;
  overflow: hidden !important;
  margin-top: 0 !important;
  margin-bottom: 0 !important;
  padding: 0 !important;
  box-sizing: border-box !important;
}

.site-header::before {
  content: "";
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  background: linear-gradient(
    135deg,
    rgba(10, 25, 47, 0.9) 0%,
    rgba(17, 34, 64, 0.8) 50%,
    rgba(6, 182, 212, 0.7) 100%
  ) !important;
  z-index: 1 !important;
}

/* Hero entrance animation */
@keyframes hero-reveal {
  from {
    opacity: 0;
    transform: translateY(25px);
    filter: blur(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.site-header .intro {
  position: relative !important;
  z-index: 10 !important;
  color: white !important;
  text-align: center !important;
  max-width: 1000px !important;
  padding: 3rem !important;
  width: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 2rem !important;
}

.site-header .intro h1 {
  font-family: var(--font-display) !important;
  color: white !important;
  font-size: clamp(3rem, 6vw, 5.5rem) !important;
  font-weight: 700 !important;
  margin-bottom: 0 !important;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6) !important;
  letter-spacing: -0.02em !important;
  line-height: 1.1 !important;
  animation: hero-reveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) both !important;
  animation-delay: 0.1s !important;
}

.site-header .intro h2 {
  font-family: var(--font-primary) !important;
  color: rgba(255, 255, 255, 0.95) !important;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem) !important;
  font-weight: 500 !important;
  margin-bottom: 0 !important;
  line-height: 1.5 !important;
  letter-spacing: 0.01em !important;
  max-width: 800px !important;
  animation: hero-reveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) both !important;
  animation-delay: 0.25s !important;
}

.hero-location-date {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 0.5rem !important;
  color: rgba(255, 255, 255, 0.9) !important;
  font-family: var(--font-primary) !important;
  animation: hero-reveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) both !important;
  animation-delay: 0.4s !important;
}

.hero-location-date .location {
  font-size: clamp(1.4rem, 3vw, 2rem) !important;
  font-weight: 600 !important;
  letter-spacing: -0.01em !important;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4) !important;
}

.hero-location-date .date {
  font-size: clamp(1.3rem, 2.8vw, 1.8rem) !important;
  font-weight: 500 !important;
  opacity: 0.95 !important;
  letter-spacing: 0.02em !important;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4) !important;
}

#site-header .intro .hero-subtitle {
  color: rgba(255, 255, 255, 0.9) !important;
  font-size: clamp(1rem, 2vw, 1.3rem) !important;
  font-weight: 500 !important;
  background: rgba(6, 182, 212, 0.25) !important;
  padding: 1rem 2rem !important;
  border-radius: 12px !important;
  border: 1px solid rgba(255, 255, 255, 0.2) !important;
  backdrop-filter: blur(15px) !important;
  display: inline-block !important;
  text-decoration: none !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  font-family: var(--font-secondary) !important;
  letter-spacing: 0.01em !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2) !important;
}

#site-header .intro .hero-subtitle:hover {
  background: rgba(6, 182, 212, 0.4) !important;
  color: white !important;
  text-decoration: none !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 25px rgba(6, 182, 212, 0.3) !important;
}

/* Enhanced countdown timer positioning */
.orbital-countdown {
  margin: 2rem auto !important;
  transform: scale(0.95) !important;
  animation: hero-reveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) both !important;
  animation-delay: 0.55s !important;
}

#site-header .intro .hero-subtitle {
  animation: hero-reveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) both !important;
  animation-delay: 0.7s !important;
}

/* Mobile responsiveness for hero section */
@media (max-width: 768px) {
  #site-header .intro {
    padding: 2rem 1rem !important;
    gap: 1.5rem !important;
  }

  .hero-location-date {
    gap: 0.3rem !important;
  }

  .orbital-countdown {
    transform: scale(0.9) !important;
    margin: 1.5rem auto !important;
  }

  #site-header .intro .hero-subtitle {
    padding: 0.8rem 1.5rem !important;
    font-size: clamp(0.9rem, 2vw, 1.1rem) !important;
  }
}

@media (max-width: 480px) {
  #site-header .intro {
    padding: 1.5rem 0.5rem !important;
    gap: 1.2rem !important;
  }

  .orbital-countdown {
    transform: scale(0.85) !important;
    margin: 1rem auto !important;
  }
}

/* Enhanced Footer Styling */
.site-footer {
  background: var(--primary-color) !important;
  color: white !important;
  text-align: center !important;
  padding: 4rem 0 2rem !important;
  margin-top: 0 !important; /* Removed the 2rem margin that was causing whitespace */
  width: 100% !important;
  position: relative !important;
}

.site-footer .container {
  max-width: 1200px !important;
  margin: 0 auto !important;
  padding: 0 2rem !important;
}

.footer-content p {
  margin-bottom: 1rem !important;
  color: rgba(255, 255, 255, 0.9) !important;
  font-size: 1rem !important;
}

.footer-content a {
  color: var(--accent-light) !important;
  text-decoration: none !important;
  transition: color 0.3s ease !important;
}

.footer-content a:hover {
  color: white !important;
  text-decoration: underline !important;
}

/* Fix main section spacing after hero */
.site-header + .section {
  margin-top: 0 !important;
  padding-top: 6rem !important;
}

/* CRITICAL: Override Bootstrap Completely - Restore Original Layout */

/* Force proper content width and container structure */
.section {
  padding: 6rem 0 !important;
  position: relative !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

.article-content {
  max-width: 900px !important;
  margin: 0 auto !important;
  padding: 0 2rem !important;
  position: relative !important;
  z-index: 2 !important;
  background: transparent !important;
  box-sizing: border-box !important;
}

/* Override Bootstrap's container mess */
.section .container {
  max-width: none !important;
  padding: 0 !important;
  margin: 0 !important;
  width: 100% !important;
}

/* Restore proper text paragraphs */
.article-content p {
  max-width: 100% !important;
  margin: 0 0 1.5rem !important;
  color: var(--text-secondary) !important;
  font-weight: 400 !important;
  line-height: 1.8 !important;
  font-size: 1.1rem !important;
  text-align: left !important;
}

/* Fix feature grid completely */
.feature-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)) !important;
  gap: 2rem !important;
  margin: 3rem 0 !important;
  width: 100% !important;
  max-width: none !important;
}

.feature-item {
  text-align: left !important;
  padding: 2rem !important;
  background: white !important;
  border-radius: 12px !important;
  border: 1px solid var(--border-light) !important;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative !important;
  overflow: hidden !important;
  box-shadow: var(--shadow-soft) !important;
  transform: translateY(0) !important;
}

.feature-item:hover {
  transform: translateY(-8px) !important;
  box-shadow: 0 12px 40px rgba(6, 182, 212, 0.15), 0 4px 12px rgba(0, 0, 0, 0.08) !important;
  border-color: var(--accent-light) !important;
}

.feature-item::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 4px !important;
  background: var(--gradient-primary) !important;
  transform: scaleX(0) !important;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.feature-item:hover::before {
  transform: scaleX(1) !important;
}

.feature-item h4 {
  color: var(--text-primary) !important;
  font-size: 1.5rem !important;
  font-weight: 600 !important;
  margin-bottom: 1rem !important;
  letter-spacing: -0.01em !important;
}

.feature-item p {
  color: var(--text-secondary) !important;
  line-height: 1.7 !important;
  margin: 0 !important;
  font-size: 1rem !important;
}

/* CRITICAL: Restore the dates section completely */
.dates-section {
  background: var(--background-accent) !important;
  padding: 5rem 0 !important;
  margin: 5rem 0 2rem !important; /* Changed bottom margin from 5rem to 2rem */
  border-radius: 32px !important;
  position: relative !important;
  width: 100% !important;
  box-sizing: border-box !important;
  overflow: hidden !important;
}

.dates-section::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  background: linear-gradient(
    135deg,
    rgba(6, 182, 212, 0.05) 0%,
    rgba(167, 85, 247, 0.03) 100%
  ) !important;
  z-index: 1 !important;
}

.dates-content {
  max-width: 1000px !important;
  margin: 0 auto !important;
  padding: 0 2rem !important;
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)) !important;
  gap: 2rem !important;
  position: relative !important;
  z-index: 2 !important;
}

.date-item {
  text-align: center !important;
  padding: 2.5rem 1.5rem !important;
  background: white !important;
  border-radius: 16px !important;
  border: 1px solid var(--border-light) !important;
  box-shadow: var(--shadow-soft) !important;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative !important;
  overflow: hidden !important;
  transform: translateY(0) !important;
}

.date-item:hover {
  transform: translateY(-8px) !important;
  box-shadow: 0 12px 40px rgba(6, 182, 212, 0.15), 0 4px 12px rgba(0, 0, 0, 0.08) !important;
  border-color: var(--accent-light) !important;
}

.date-item::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 4px !important;
  background: var(--gradient-primary) !important;
  transform: scaleX(0) !important;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.date-item:hover::before {
  transform: scaleX(1) !important;
}

.date-item h4 {
  color: var(--text-primary) !important;
  font-size: 1.4rem !important;
  font-weight: 700 !important;
  margin-bottom: 1rem !important;
  letter-spacing: -0.01em !important;
}

.date-item p {
  color: var(--accent-color) !important;
  font-size: 1.1rem !important;
  font-weight: 600 !important;
  margin: 0 !important;
  line-height: 1.5 !important;
}

/* Add animations back */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feature-item {
  animation: fadeInUp 0.6s ease-out !important;
  animation-fill-mode: both !important;
}

.feature-item:nth-child(1) {
  animation-delay: 0.1s !important;
}

.feature-item:nth-child(2) {
  animation-delay: 0.2s !important;
}

.feature-item:nth-child(3) {
  animation-delay: 0.3s !important;
}

.feature-item:nth-child(4) {
  animation-delay: 0.4s !important;
}

.date-item {
  animation: fadeInUp 0.6s ease-out !important;
  animation-fill-mode: both !important;
}

.date-item:nth-child(1) {
  animation-delay: 0.1s !important;
}

.date-item:nth-child(2) {
  animation-delay: 0.2s !important;
}

.date-item:nth-child(3) {
  animation-delay: 0.3s !important;
}

.date-item:nth-child(4) {
  animation-delay: 0.4s !important;
}

/* Modern Program Page Styles - SCOPED TO PROGRAM PAGE ONLY */
#program .program-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin: 3rem 0;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

#program .program-item {
  display: flex;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #e5e7eb;
  position: relative;
}

#program .program-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-primary);
  transform: scaleY(0);
  transition: transform 0.3s ease;
  transform-origin: bottom;
}

#program .program-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(6, 182, 212, 0.12);
  border-color: var(--accent-light);
}

#program .program-item:hover::before {
  transform: scaleY(1);
}

#program .program-time {
  background: #f8fafc;
  padding: 1.5rem;
  min-width: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-right: 1px solid #e5e7eb;
  position: relative;
}

#program .program-time span {
  font-family: "JetBrains Mono", monospace;
  font-weight: 600;
  color: var(--accent-color);
  font-size: 1rem;
  text-align: center;
  letter-spacing: -0.01em;
}

#program .program-content {
  flex: 1;
  padding: 1.5rem 2rem;
}

/* Fix Opening Session Title Styling - Make Consistent with Other Sessions */
#program .opening-session .session-title {
  color: var(--text-primary);
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  position: relative;
  padding-bottom: 0.75rem;
  letter-spacing: -0.02em;
  text-align: center;
}

#program .opening-session .session-title::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 100px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

/* Fix Break Session Title Consistency */
#program .break-session .session-title {
  color: var(--accent-color);
  text-align: center;
  font-size: 1.75rem;
  font-weight: 800;
  position: relative;
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

#program .break-session .session-title::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  width: 120px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

/* Ensure All Session Titles Have Consistent Base Styling */
#program .keynote-session .session-title,
#program .technical-session .session-title,
#program .panel-session .session-title,
#program .opening-session .session-title,
#program .break-session .session-title {
  font-size: 1.75rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  position: relative;
  letter-spacing: -0.02em;
  padding-bottom: 0.75rem;
}

/* Special keynote styling with purple accent */
#program .keynote-session .session-title {
  font-size: 1.9rem;
  color: var(--accent-color);
}

#program .keynote-session .session-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100px;
  height: 4px;
  background: linear-gradient(
    135deg,
    var(--accent-color) 0%,
    var(--accent-light) 100%
  );
  border-radius: 2px;
}

/* Technical session styling */
#program .technical-session .session-title {
  color: var(--text-primary);
}

#program .technical-session .session-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

/* Panel session styling */
#program .panel-session .session-title {
  color: var(--text-primary);
}

#program .panel-session .session-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 90px;
  height: 4px;
  background: linear-gradient(
    135deg,
    var(--accent-light) 0%,
    var(--accent-color) 100%
  );
  border-radius: 2px;
}

/* Fix Papers Layout to Use Single Row as Requested */
#program .papers-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 1rem;
}

#program .paper-item {
  background: #f9fafb;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  border: 1px solid #e5e7eb;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  cursor: pointer;
  text-decoration: none;
  display: block;
}

#program .paper-item:hover {
  text-decoration: none;
}

/* Different hover effects for each paper */
#program .paper-item:nth-child(1):hover {
  background: rgba(6, 182, 212, 0.03);
  border-color: var(--accent-color);
  transform: translateX(6px) scale(1.01);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
}

#program .paper-item:nth-child(2):hover {
  background: rgba(34, 211, 238, 0.03);
  border-color: var(--accent-light);
  transform: translateY(-3px) scale(1.01);
  box-shadow: 0 6px 16px rgba(34, 211, 238, 0.15);
}

#program .paper-item:nth-child(3):hover {
  background: rgba(8, 145, 178, 0.03);
  border-color: var(--accent-dark);
  transform: translateX(-4px) translateY(-2px) scale(1.01);
  box-shadow: 0 5px 14px rgba(8, 145, 178, 0.15);
}

#program .paper-item:nth-child(4):hover {
  background: rgba(6, 182, 212, 0.04);
  border-color: var(--accent-color);
  transform: translateX(4px) translateY(-4px) scale(1.01);
  box-shadow: 0 8px 20px rgba(6, 182, 212, 0.12);
}

/* Dynamic left border effects for each paper */
#program .paper-item:nth-child(1)::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(
    to bottom,
    var(--accent-color),
    var(--accent-light)
  );
  border-radius: 0 3px 3px 0;
  opacity: 0;
  transition: all 0.3s ease;
}

#program .paper-item:nth-child(2)::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(
    to bottom,
    var(--accent-light),
    var(--accent-color)
  );
  border-radius: 0 4px 4px 0;
  opacity: 0;
  transition: all 0.3s ease;
}

#program .paper-item:nth-child(3)::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(
    to bottom,
    var(--accent-dark),
    var(--accent-color)
  );
  border-radius: 0 3px 3px 0;
  opacity: 0;
  transition: all 0.3s ease;
}

#program .paper-item:nth-child(4)::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: var(--gradient-primary);
  border-radius: 0 5px 5px 0;
  opacity: 0;
  transition: all 0.3s ease;
}

#program .paper-item:hover::before {
  opacity: 1;
}

/* Enhanced Paper Title Interactions */
#program .paper-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  line-height: 1.4;
  letter-spacing: -0.01em;
  transition: all 0.3s ease;
}

#program .paper-item:nth-child(1):hover .paper-title {
  color: var(--accent-color);
  transform: translateX(2px);
}

#program .paper-item:nth-child(2):hover .paper-title {
  color: var(--accent-light);
  transform: translateY(-1px);
}

#program .paper-item:nth-child(3):hover .paper-title {
  color: var(--accent-dark);
  transform: translateX(-1px);
}

#program .paper-item:nth-child(4):hover .paper-title {
  color: var(--accent-color);
  transform: scale(1.02);
}

#program .paper-authors {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
  font-style: italic;
  font-weight: 400;
}

/* #program .opening-session .session-chair {
  font-size: 1.1rem;
  color: var(--accent-color);
  font-weight: 600;
  background: linear-gradient(
    135deg,
    rgba(6, 182, 212, 0.05) 0%,
    rgba(34, 211, 238, 0.08) 100%
  );
  padding: 1rem 2rem;
  border-radius: 8px;
  display: inline-block;
  border: 1px solid rgba(6, 182, 212, 0.2);
  transition: all 0.3s ease;
}

#program .opening-session .session-chair:hover {
  background: linear-gradient(
    135deg,
    rgba(6, 182, 212, 0.08) 0%,
    rgba(34, 211, 238, 0.12) 100%
  );
  border-color: var(--accent-light);
  transform: translateY(-2px);
} */

/* Fix Break/Lunch Session Colors to Match Purple Theme */
#program .program-break {
  background: linear-gradient(
    135deg,
    rgba(6, 182, 212, 0.04) 0%,
    rgba(34, 211, 238, 0.06) 100%
  );
  border: 1px solid rgba(6, 182, 212, 0.2);
}

#program .program-break .program-time {
  background: linear-gradient(
    135deg,
    rgba(6, 182, 212, 0.08) 0%,
    rgba(34, 211, 238, 0.1) 100%
  );
  border-right-color: rgba(6, 182, 212, 0.2);
}

#program .program-break .program-time span {
  color: var(--accent-color);
  font-weight: 700;
}

/* Enhanced Session Chair Styling */
#program .session-chair {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 1.5rem;
  font-style: italic;
  font-weight: 500;
  padding: 0.5rem 1rem;
  background: rgba(6, 182, 212, 0.04);
  border-radius: 6px;
  border-left: 3px solid var(--accent-light);
  display: inline-block;
}

/* Technical session specific chair styling */
/*
#program .technical-session .session-chair {
  background: rgba(6, 182, 212, 0.05);
  border-left-color: var(--accent-color);
  font-weight: 600;
}

#program .keynote-session .session-chair {
  background: rgba(34, 211, 238, 0.05);
  border-left-color: var(--accent-light);
  color: var(--accent-color);
  font-weight: 600;
}

#program .panel-session .session-chair {
  background: rgba(8, 145, 178, 0.05);
  border-left-color: var(--accent-dark);
  font-weight: 600;
}
*/

/* Enhanced Keynote Session */
#program .keynote-session {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

#program .keynote-speaker-info {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
  background: #f9fafb;
  padding: 1.5rem;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
}

#program .speaker-photo {
  flex-shrink: 0;
}

#program .speaker-photo img {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid var(--accent-light);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.1);
}

#program .speaker-photo a {
  display: block;
  text-decoration: none;
  outline: none;
}

#program .speaker-photo a:focus,
#program .speaker-photo a:active {
  outline: none;
}

#program .speaker-details {
  flex: 1;
}

#program .speaker-details h4 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

#program .speaker-title {
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 0.75rem;
  font-size: 1rem;
  font-weight: 500;
}

#program .speaker-details h5 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-top: 0.5rem;
  margin-bottom: 0;
  color: var(--accent-color);
  line-height: 1.3;
}

#program .keynote-abstract {
  padding: 1.5rem;
  background: white;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
}

/* Enhanced Panel Session Styling */
#program .panel-session {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

#program .panel-topic {
  padding: 1rem 1.5rem;
  background: rgba(6, 182, 212, 0.04);
  border-radius: 8px;
  border-left: 4px solid var(--accent-light);
  margin-bottom: 1rem;
}

#program .panel-topic p {
  margin: 0;
  color: var(--text-secondary);
  font-style: italic;
  font-size: 1rem;
  line-height: 1.6;
}

/* Panel Speakers Grid Layout */
#program .panel-speakers {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  justify-content: space-around;
  align-items: flex-start;
  background: transparent;
  padding: 2rem;
  border-radius: 12px;
  border: none;
  margin: 1rem 0;
}

#program .panel-speaker {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
  min-width: 180px;
  max-width: 220px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 1rem;
  border-radius: 8px;
  background: transparent;
  box-shadow: none;
}

#program .panel-speaker:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(6, 182, 212, 0.12);
  background: rgba(6, 182, 212, 0.02);
}

#program .panel-speaker-photo {
  margin-bottom: 1rem;
  position: relative;
}

#program .panel-speaker-photo img {
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 50%;
  border: 3px solid var(--accent-light);
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.15);
  transition: all 0.3s ease;
}

#program .panel-speaker-photo a {
  display: block;
  text-decoration: none;
  outline: none;
}

#program .panel-speaker-photo a:focus {
  outline: none;
}

#program .panel-speaker-photo a:active {
  outline: none;
}

#program .panel-speaker-photo a {
  display: block;
  text-decoration: none;
  outline: none;
}

#program .panel-speaker-photo a:focus {
  outline: none;
}

#program .panel-speaker-photo a:active {
  outline: none;
}

#program .panel-speaker-photo a {
  display: block;
  text-decoration: none;
  outline: none;
}

#program .panel-speaker-photo a:focus {
  outline: none;
}

#program .panel-speaker-photo a:active {
  outline: none;
}

#program .panel-speaker-info {
  width: 100%;
}

#program .panel-speaker-info h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

#program .panel-speaker-affiliation {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 500;
  line-height: 1.4;
}

/* Mobile responsiveness for panel speakers */
@media (max-width: 768px) {
  #program .panel-speakers {
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
  }

  #program .panel-speaker {
    max-width: 280px;
    width: 100%;
  }

  #program .panel-speaker-photo img {
    width: 80px;
    height: 80px;
  }
}

@media (max-width: 480px) {
  #program .panel-speakers {
    padding: 1rem;
    gap: 1rem;
  }

  #program .panel-speaker {
    padding: 0.75rem;
  }

  #program .panel-speaker-photo img {
    width: 70px;
    height: 70px;
  }

  #program .panel-speaker-info h4 {
    font-size: 1rem;
  }

  #program .panel-speaker-affiliation {
    font-size: 0.85rem;
  }
}

/* Committee Page Styling - SCOPED TO PREVENT CROSS-CONTAMINATION */
.committee-list {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)) !important;
  gap: 2rem !important;
  margin: 2rem 0 !important;
}

.committee-member {
  background: white !important;
  padding: 2rem !important;
  border-radius: 12px !important;
  border: 1px solid var(--border-light) !important;
  box-shadow: var(--shadow-soft) !important;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative !important;
  overflow: hidden !important;
  transform: translateY(0) !important;
}

.committee-member:hover {
  transform: translateY(-4px) !important;
  box-shadow: 0 12px 40px rgba(6, 182, 212, 0.15), 0 4px 12px rgba(0, 0, 0, 0.08) !important;
  border-color: var(--accent-light) !important;
}

.committee-member::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 3px !important;
  background: var(--gradient-primary) !important;
  transform: scaleX(0) !important;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.committee-member:hover::before {
  transform: scaleX(1) !important;
}

.committee-member h5 {
  color: var(--text-primary) !important;
  font-size: 1.3rem !important;
  font-weight: 700 !important;
  margin-bottom: 0.5rem !important;
  letter-spacing: -0.01em !important;
}

.committee-member p {
  color: var(--text-secondary) !important;
  font-size: 1rem !important;
  margin: 0 !important;
  line-height: 1.6 !important;
}

/* Committee page responsive design */
@media (max-width: 768px) {
  .committee-list {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
  }

  .committee-member {
    padding: 1.5rem !important;
  }
}

@media (max-width: 480px) {
  .committee-member {
    padding: 1rem !important;
  }

  .committee-member h5 {
    font-size: 1.2rem !important;
  }

  .committee-member p {
    font-size: 0.9rem !important;
  }
}

/* Fix Compact Header for Non-Home Pages - Updated to match main header gradient */
.compact-header {
  background: linear-gradient(
    135deg,
    rgba(10, 25, 47, 0.95) 0%,
    rgba(17, 34, 64, 0.85) 50%,
    rgba(6, 182, 212, 0.8) 100%
  ) !important;
  padding: 8rem 0 4rem !important;
  text-align: center !important;
  color: white !important;
  position: relative !important;
  overflow: hidden !important;
  margin-top: 0 !important;
  width: 100% !important;
  min-height: 300px !important;
}

.compact-header::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  bottom: 0 !important;
  background: radial-gradient(
      circle at 20% 80%,
      rgba(6, 182, 212, 0.2) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(34, 211, 238, 0.2) 0%,
      transparent 50%
    ) !important;
  animation: earth-rotation 120s linear infinite !important;
  z-index: 1 !important;
}

.compact-header .container {
  position: relative !important;
  z-index: 2 !important;
  max-width: 1000px !important;
  margin: 0 auto !important;
  padding: 0 2rem !important;
}

.compact-intro h1 {
  font-size: clamp(2.5rem, 5vw, 4rem) !important;
  font-weight: 800 !important;
  margin-bottom: 1rem !important;
  color: white !important;
  letter-spacing: -0.03em !important;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3) !important;
}

.compact-intro p {
  font-size: clamp(1.1rem, 2.5vw, 1.4rem) !important;
  color: rgba(255, 255, 255, 0.9) !important;
  margin: 0 !important;
  font-weight: 500 !important;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3) !important;
}

/* Fix Navigation Positioning on Non-Home Pages */
body {
  padding-top: 70px !important; /* Account for fixed navbar */
}

/* Ensure proper spacing after navbar on all pages */
.navbar-custom + .compact-header {
  margin-top: 0 !important;
}

.navbar-custom + .section {
  margin-top: 0 !important;
  padding-top: 6rem !important;
}

/* Previous Editions Page Styling - SCOPED TO PREVENT CROSS-CONTAMINATION */
.editions-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)) !important;
  gap: 2rem !important;
  margin: 3rem 0 !important;
}

.edition-card {
  background: white !important;
  border-radius: 16px !important;
  border: 1px solid var(--border-light) !important;
  box-shadow: var(--shadow-soft) !important;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative !important;
  overflow: hidden !important;
  transform: translateY(0) !important;
}

.edition-card:hover {
  transform: translateY(-8px) !important;
  box-shadow: 0 12px 40px rgba(6, 182, 212, 0.15), 0 4px 12px rgba(0, 0, 0, 0.08) !important;
  border-color: var(--accent-light) !important;
}

.edition-card::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 4px !important;
  background: var(--gradient-primary) !important;
  transform: scaleX(0) !important;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.edition-card:hover::before {
  transform: scaleX(1) !important;
}

.edition-header {
  padding: 2rem 2rem 1rem !important;
  display: flex !important;
  justify-content: space-between !important;
  align-items: flex-start !important;
  background: linear-gradient(
    135deg,
    rgba(6, 182, 212, 0.03) 0%,
    rgba(34, 211, 238, 0.02) 100%
  ) !important;
}

.edition-year {
  font-size: 3rem !important;
  font-weight: 900 !important;
  color: var(--accent-color) !important;
  line-height: 1 !important;
  letter-spacing: -0.04em !important;
  background: var(--gradient-primary) !important;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
}

.edition-badge {
  background: var(--accent-color) !important;
  color: white !important;
  padding: 0.5rem 1rem !important;
  border-radius: 20px !important;
  font-size: 0.8rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em !important;
  text-transform: uppercase !important;
}

.edition-content {
  padding: 0 2rem 2rem !important;
}

.edition-title {
  font-size: 1.5rem !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  margin-bottom: 1rem !important;
  letter-spacing: -0.02em !important;
}

.edition-description {
  color: var(--text-secondary) !important;
  line-height: 1.7 !important;
  margin-bottom: 1.5rem !important;
  font-size: 1rem !important;
}

.edition-actions {
  margin-top: auto !important;
}

.edition-link {
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  padding: 0.75rem 1.5rem !important;
  background: var(--accent-color) !important;
  color: white !important;
  border-radius: 8px !important;
  text-decoration: none !important;
  font-weight: 600 !important;
  font-size: 0.9rem !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative !important;
  overflow: hidden !important;
}

.edition-link::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: -100% !important;
  width: 100% !important;
  height: 100% !important;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  ) !important;
  transition: left 0.5s !important;
}

.edition-link:hover {
  background: var(--accent-dark) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 8px 20px rgba(6, 182, 212, 0.3) !important;
  color: white !important;
  text-decoration: none !important;
}

.edition-link:hover::before {
  left: 100% !important;
}

.edition-link i {
  transition: transform 0.3s ease !important;
}

.edition-link:hover i {
  transform: translateX(4px) !important;
}

/* Timeline Section Styling */
.timeline-section {
  margin-top: 5rem !important;
  padding: 3rem 0 !important;
  position: relative !important;
}

.timeline-section h4 {
  font-size: 2rem !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  text-align: center !important;
  margin-bottom: 3rem !important;
  position: relative !important;
}

.timeline-section h4::after {
  content: "" !important;
  position: absolute !important;
  bottom: -0.5rem !important;
  left: 50% !important;
  transform: translateX(-50%) !important;
  width: 80px !important;
  height: 3px !important;
  background: var(--gradient-primary) !important;
  border-radius: 2px !important;
}

.timeline-content {
  max-width: 800px !important;
  margin: 0 auto !important;
  position: relative !important;
}

.timeline-content::before {
  content: "" !important;
  position: absolute !important;
  left: 2rem !important;
  top: 0 !important;
  bottom: 0 !important;
  width: 2px !important;
  background: linear-gradient(
    to bottom,
    var(--accent-light),
    var(--accent-color)
  ) !important;
}

.timeline-item {
  display: flex !important;
  align-items: flex-start !important;
  gap: 2rem !important;
  margin-bottom: 3rem !important;
  position: relative !important;
}

.timeline-marker {
  width: 1rem !important;
  height: 1rem !important;
  border-radius: 50% !important;
  background: var(--accent-color) !important;
  border: 3px solid white !important;
  box-shadow: 0 0 0 3px var(--accent-light) !important;
  flex-shrink: 0 !important;
  margin-top: 0.5rem !important;
  position: relative !important;
  z-index: 2 !important;
}

.timeline-marker.completed {
  background: var(--accent-dark) !important;
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.3) !important;
}

.timeline-details {
  flex: 1 !important;
  background: white !important;
  padding: 2rem !important;
  border-radius: 12px !important;
  border: 1px solid var(--border-light) !important;
  box-shadow: var(--shadow-soft) !important;
  transition: all 0.3s ease !important;
}

.timeline-details:hover {
  box-shadow: 0 8px 30px rgba(6, 182, 212, 0.12), 0 4px 10px rgba(0, 0, 0, 0.06) !important;
  border-color: var(--accent-light) !important;
}

.timeline-year {
  background: var(--purple-light) !important;
  color: var(--accent-dark) !important;
  padding: 0.25rem 0.75rem !important;
  border-radius: 12px !important;
  font-size: 0.8rem !important;
  font-weight: 700 !important;
  display: inline-block !important;
  margin-bottom: 0.75rem !important;
}

.timeline-details h5 {
  font-size: 1.3rem !important;
  font-weight: 700 !important;
  color: var(--text-primary) !important;
  margin-bottom: 0.5rem !important;
  letter-spacing: -0.02em !important;
}

.timeline-details p {
  color: var(--text-secondary) !important;
  line-height: 1.6 !important;
  margin: 0 !important;
  font-size: 1rem !important;
}

/* Add staggered animation delays for edition cards */
.edition-card:nth-child(1) {
  animation: fadeInUp 0.6s ease-out !important;
  animation-delay: 0.1s !important;
  animation-fill-mode: both !important;
}

.edition-card:nth-child(2) {
  animation: fadeInUp 0.6s ease-out !important;
  animation-delay: 0.2s !important;
  animation-fill-mode: both !important;
}

.edition-card:nth-child(3) {
  animation: fadeInUp 0.6s ease-out !important;
  animation-delay: 0.3s !important;
  animation-fill-mode: both !important;
}

/* Responsive Design for Previous Editions */
@media (max-width: 768px) {
  .editions-grid {
    grid-template-columns: 1fr !important;
    gap: 1.5rem !important;
    margin: 2rem 0 !important;
  }

  .edition-header {
    flex-direction: column !important;
    gap: 1rem !important;
    align-items: center !important;
    text-align: center !important;
  }

  .edition-year {
    font-size: 2.5rem !important;
  }

  .timeline-content::before {
    left: 1rem !important;
  }

  .timeline-item {
    gap: 1.5rem !important;
  }

  .timeline-details {
    padding: 1.5rem !important;
  }

  .timeline-section {
    margin-top: 3rem !important;
  }
}

@media (max-width: 480px) {
  .edition-header {
    padding: 1.5rem 1.5rem 1rem !important;
  }

  .edition-content {
    padding: 0 1.5rem 1.5rem !important;
  }

  .edition-year {
    font-size: 2rem !important;
  }

  .timeline-details {
    padding: 1rem !important;
  }

  .timeline-details h5 {
    font-size: 1.1rem !important;
  }
}

/*
 * SPACE THEME ENHANCEMENTS - LEO Satellite Animations & Effects
 */

/* Dynamic Stars Layer */
.stars-layer {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  pointer-events: none !important;
  z-index: 2 !important;
  overflow: hidden !important;
}

.star {
  position: absolute !important;
  border-radius: 50% !important;
  background: white !important;
  animation: star-twinkle 4s ease-in-out infinite !important;
}

.star-small {
  width: 1px !important;
  height: 1px !important;
  box-shadow: 0 0 2px rgba(255, 255, 255, 0.6) !important;
}

.star-medium {
  width: 2px !important;
  height: 2px !important;
  box-shadow: 0 0 4px rgba(6, 182, 212, 0.5), 0 0 8px rgba(255, 255, 255, 0.3) !important;
}

.star-large {
  width: 3px !important;
  height: 3px !important;
  box-shadow: 0 0 6px rgba(34, 211, 238, 0.6), 0 0 12px rgba(6, 182, 212, 0.3) !important;
}

@keyframes star-twinkle {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  25% {
    opacity: 1;
    transform: scale(1.3);
  }
  50% {
    opacity: 0.5;
    transform: scale(0.9);
  }
  75% {
    opacity: 0.9;
    transform: scale(1.1);
  }
}

/* Animated Satellite Constellation */
.satellite-constellation {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  pointer-events: none !important;
  z-index: 3 !important;
  overflow: hidden !important;
}

.satellite {
  position: absolute !important;
  width: 4px !important;
  height: 4px !important;
  background: #ffffff !important;
  border-radius: 50% !important;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8), 0 0 12px rgba(6, 182, 212, 0.6) !important;
  animation: satellite-orbit linear infinite !important;
}

.satellite::before {
  content: "" !important;
  position: absolute !important;
  top: -1px !important;
  left: -1px !important;
  width: 6px !important;
  height: 6px !important;
  border-radius: 50% !important;
  background: radial-gradient(
    circle,
    rgba(255, 255, 255, 0.8) 0%,
    rgba(6, 182, 212, 0.4) 70%,
    transparent 100%
  ) !important;
  animation: satellite-pulse 2s ease-in-out infinite alternate !important;
}

.satellite::after {
  content: "" !important;
  position: absolute !important;
  top: -6px !important;
  left: -6px !important;
  width: 16px !important;
  height: 16px !important;
  border-radius: 50% !important;
  border: 1px solid rgba(6, 182, 212, 0.5) !important;
  background: transparent !important;
  animation: signal-ring 3s ease-out infinite !important;
  opacity: 0.7 !important;
}

/* Individual satellite orbits with different speeds and paths */
.satellite-1 {
  animation: satellite-orbit-1 25s linear infinite !important;
  animation-delay: 0s !important;
}

.satellite-1::after {
  animation-delay: 0s !important;
}

.satellite-2 {
  animation: satellite-orbit-2 30s linear infinite !important;
  animation-delay: -8s !important;
}

.satellite-2::after {
  animation-delay: -1s !important;
}

.satellite-3 {
  animation: satellite-orbit-3 35s linear infinite !important;
  animation-delay: -15s !important;
}

.satellite-3::after {
  animation-delay: -0.5s !important;
}

.satellite-4 {
  animation: satellite-orbit-4 28s linear infinite !important;
  animation-delay: -20s !important;
}

.satellite-4::after {
  animation-delay: -1.5s !important;
}

.satellite-5 {
  animation: satellite-orbit-5 32s linear infinite !important;
  animation-delay: -5s !important;
}

.satellite-5::after {
  animation-delay: -2s !important;
}

/* Orbital path animations */
@keyframes satellite-orbit-1 {
  0% {
    transform: translateX(-50px) translateY(20vh);
  }
  25% {
    transform: translateX(25vw) translateY(15vh);
  }
  50% {
    transform: translateX(75vw) translateY(25vh);
  }
  75% {
    transform: translateX(50vw) translateY(35vh);
  }
  100% {
    transform: translateX(calc(100vw + 50px)) translateY(20vh);
  }
}

@keyframes satellite-orbit-2 {
  0% {
    transform: translateX(-30px) translateY(40vh);
  }
  20% {
    transform: translateX(20vw) translateY(30vh);
  }
  40% {
    transform: translateX(60vw) translateY(45vh);
  }
  60% {
    transform: translateX(80vw) translateY(35vh);
  }
  80% {
    transform: translateX(90vw) translateY(50vh);
  }
  100% {
    transform: translateX(calc(100vw + 30px)) translateY(40vh);
  }
}

@keyframes satellite-orbit-3 {
  0% {
    transform: translateX(-40px) translateY(60vh);
  }
  30% {
    transform: translateX(30vw) translateY(55vh);
  }
  60% {
    transform: translateX(70vw) translateY(65vh);
  }
  100% {
    transform: translateX(calc(100vw + 40px)) translateY(60vh);
  }
}

@keyframes satellite-orbit-4 {
  0% {
    transform: translateX(-35px) translateY(10vh);
  }
  25% {
    transform: translateX(40vw) translateY(5vh);
  }
  50% {
    transform: translateX(60vw) translateY(15vh);
  }
  75% {
    transform: translateX(85vw) translateY(8vh);
  }
  100% {
    transform: translateX(calc(100vw + 35px)) translateY(10vh);
  }
}

@keyframes satellite-orbit-5 {
  0% {
    transform: translateX(-45px) translateY(70vh);
  }
  33% {
    transform: translateX(35vw) translateY(75vh);
  }
  66% {
    transform: translateX(65vw) translateY(68vh);
  }
  100% {
    transform: translateX(calc(100vw + 45px)) translateY(70vh);
  }
}

@keyframes satellite-pulse {
  0% {
    opacity: 0.6;
    transform: scale(1);
    box-shadow: 0 0 4px rgba(6, 182, 212, 0.4), 0 0 8px rgba(6, 182, 212, 0);
  }
  50% {
    opacity: 1;
    transform: scale(1.4);
    box-shadow: 0 0 8px rgba(6, 182, 212, 0.8), 0 0 20px rgba(34, 211, 238, 0.4);
  }
  100% {
    opacity: 0.6;
    transform: scale(1);
    box-shadow: 0 0 4px rgba(6, 182, 212, 0.4), 0 0 8px rgba(6, 182, 212, 0);
  }
}

/* Satellite signal ring animation - radiates outward like a transmission */
@keyframes signal-ring {
  0% {
    transform: scale(1);
    opacity: 0.6;
    border-color: rgba(6, 182, 212, 0.6);
  }
  100% {
    transform: scale(4);
    opacity: 0;
    border-color: rgba(34, 211, 238, 0);
  }
}

/* Enhanced Earth Globe Background Effects */
#site-header.site-header {
  background-image: radial-gradient(
      circle at 20% 80%,
      rgba(6, 182, 212, 0.3) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 20%,
      rgba(34, 211, 238, 0.3) 0%,
      transparent 50%
    ),
    linear-gradient(
      135deg,
      rgba(10, 25, 47, 0.9) 0%,
      rgba(17, 34, 64, 0.8) 50%,
      rgba(6, 182, 212, 0.7) 100%
    ),
    url("../img/background/bg.jpeg") !important;
  animation: earth-rotation 120s linear infinite !important;
}

@keyframes earth-rotation {
  from {
    background-position: 0px 0px, 100px 100px, 0px 0px, 0px 0px;
  }
  to {
    background-position: 200px 0px, 300px 100px, 0px 0px, 100px 0px;
  }
}

/* Orbital Countdown Timer - Clean & Elegant Clock Design */
.orbital-countdown {
  position: relative !important;
  background: rgba(10, 25, 47, 0.85) !important;
  backdrop-filter: blur(20px) saturate(180%) !important;
  border: 1px solid rgba(6, 182, 212, 0.3) !important;
  border-radius: 20px !important;
  padding: 2.5rem 2rem !important;
  margin: 2.5rem auto !important;
  max-width: 600px !important;
  text-align: center !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3),
    0 0 0 1px rgba(255, 255, 255, 0.1) inset !important;
  overflow: hidden !important;
}

/* Subtle animated border */
.orbital-countdown::before {
  content: "" !important;
  position: absolute !important;
  inset: 0 !important;
  border-radius: 20px !important;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(6, 182, 212, 0.2),
    transparent,
    rgba(34, 211, 238, 0.2),
    transparent
  ) !important;
  background-size: 300% 300% !important;
  animation: subtle-border-flow 6s ease-in-out infinite !important;
  opacity: 0.5 !important;
  z-index: -1 !important;
}

.countdown-content {
  position: relative !important;
  z-index: 2 !important;
}

.countdown-title {
  color: #ffffff !important;
  font-size: 1.7rem !important;
  font-weight: 600 !important;
  margin-bottom: 1.2rem !important;
  letter-spacing: 0.05em !important;
  opacity: 0.95 !important;
}

.countdown-display {
  display: grid !important;
  grid-template-columns: repeat(4, 1fr) !important;
  gap: 1rem !important;
  margin-bottom: 0 !important;
}

.countdown-unit {
  background: rgba(255, 255, 255, 0.05) !important;
  border: 1px solid rgba(255, 255, 255, 0.1) !important;
  border-radius: 12px !important;
  padding: 1.2rem 0.8rem !important;
  text-align: center !important;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
  position: relative !important;
  overflow: hidden !important;
}

.countdown-unit::before {
  content: "" !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 2px !important;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(6, 182, 212, 0.8),
    transparent
  ) !important;
  transform: translateX(-100%) !important;
  transition: transform 0.6s ease !important;
}

.countdown-unit:hover {
  background: rgba(255, 255, 255, 0.08) !important;
  border-color: rgba(6, 182, 212, 0.4) !important;
  transform: translateY(-2px) !important;
}

.countdown-unit:hover::before {
  transform: translateX(100%) !important;
}

.countdown-number {
  display: block !important;
  font-size: 2.2rem !important;
  font-weight: 300 !important;
  color: #ffffff !important;
  line-height: 1 !important;
  font-family: "SF Mono", "Monaco", "Menlo", "Roboto Mono", "Courier New",
    monospace !important;
  margin-bottom: 0.3rem !important;
  letter-spacing: 0.05em !important;
  transition: all 0.3s ease !important;
  animation: gentle-pulse 3s ease-in-out infinite !important;
}

.countdown-label {
  display: block !important;
  font-size: 0.75rem !important;
  color: rgba(255, 255, 255, 0.7) !important;
  text-transform: uppercase !important;
  letter-spacing: 0.1em !important;
  font-weight: 500 !important;
}

/* Clean animations */
@keyframes subtle-border-flow {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

@keyframes gentle-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.9;
  }
}

/* Mobile responsive improvements */
@media (max-width: 768px) {
  .orbital-countdown {
    margin: 2rem auto !important;
    padding: 2rem 1.5rem !important;
    max-width: 90% !important;
  }

  .countdown-display {
    gap: 0.75rem !important;
  }

  .countdown-unit {
    padding: 1rem 0.6rem !important;
  }

  .countdown-number {
    font-size: 1.8rem !important;
  }

  .countdown-label {
    font-size: 0.7rem !important;
  }
}

@media (max-width: 480px) {
  .orbital-countdown {
    padding: 1.5rem 1rem !important;
  }

  .countdown-title {
    font-size: 1.1rem !important;
  }

  .countdown-display {
    gap: 0.5rem !important;
  }

  .countdown-unit {
    padding: 0.8rem 0.4rem !important;
  }

  .countdown-number {
    font-size: 1.6rem !important;
  }
}

/* Enhanced Navbar Responsiveness - Comprehensive Mobile & Cross-Browser Support */

/* Mobile hamburger menu - Enhanced positioning and styling */
.navbar-toggle {
  background: rgba(10, 25, 47, 0.8);
  border: 2px solid rgba(6, 182, 212, 0.4);
  border-radius: 10px;
  padding: 0.6rem;
  position: absolute;
  right: 2rem;
  top: 50%;
  transform: translateY(-50%);
  display: none;
  cursor: pointer;
  z-index: 1002;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
}

.navbar-toggle:hover {
  border-color: rgba(6, 182, 212, 0.8);
  background: rgba(6, 182, 212, 0.2);
  transform: translateY(-50%) scale(1.05);
}

.navbar-toggle:active {
  transform: translateY(-50%) scale(0.95);
}

.navbar-toggle .icon-bar {
  display: block;
  width: 22px;
  height: 3px;
  background: rgba(255, 255, 255, 0.9);
  margin: 3px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 2px;
}

.navbar-toggle:hover .icon-bar {
  background: #ffffff;
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.5);
}

/* Animated hamburger menu transformation */
.navbar-toggle.active .icon-bar:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active .icon-bar:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.navbar-toggle.active .icon-bar:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Fix mobile collapse display as full-screen overlay */
@media (max-width: 767px) {
  .navbar-collapse {
    display: none !important;
    position: absolute !important;
    top: 100% !important;
    left: 0 !important;
    right: 0 !important;
    background: rgba(10, 25, 47, 0.98) !important;
    backdrop-filter: blur(20px) saturate(180%) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4) !important;
    z-index: 999 !important;
    overflow-y: auto !important;
  }
  .navbar-collapse.show,
  .navbar-collapse.in {
    display: flex !important;
    flex-direction: column !important;
  }
}

/* Add mobile-specific styles for the program page */
@media (max-width: 480px) {
  #program .program-container {
    padding: 1rem;
    gap: 1rem;
  }

  #program .program-item {
    flex-direction: column;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  }

  #program .program-time {
    padding: 1rem;
    min-width: auto;
    border-right: none;
    border-bottom: 1px solid #e5e7eb;
  }

  #program .program-content {
    padding: 1rem;
  }

  #program .papers-list {
    gap: 0.5rem;
  }

  #program .paper-item {
    padding: 0.75rem;
    border-radius: 6px;
  }

  #program .paper-title {
    font-size: 1rem;
  }

  #program .paper-authors {
    font-size: 0.8rem;
  }
}

/* Ultra-wide screens (1920px+) */
@media (min-width: 1920px) {
  .navbar-custom .container-fluid {
    max-width: 1600px;
    padding: 0 3rem;
  }

  .site-branding {
    left: -40px;
  }

  .site-branding .logo {
    font-size: 1.6rem;
  }

  .navbar-custom .navbar-nav {
    gap: 1.5rem;
  }

  .navbar-custom .navbar-nav > li > a {
    padding: 0.8rem 1.8rem;
    min-width: 140px;
    font-size: 1rem;
  }
}

/* Large desktops (1440px - 1919px) */
@media (min-width: 1440px) and (max-width: 1919px) {
  .navbar-custom .container-fluid {
    max-width: 1400px;
    padding: 0 2.5rem;
  }

  .site-branding {
    left: -35px;
  }

  .site-branding .logo {
    font-size: 1.5rem;
  }

  .navbar-custom .navbar-nav {
    gap: 1.3rem;
  }

  .navbar-custom .navbar-nav > li > a {
    padding: 0.75rem 1.6rem;
    min-width: 135px;
    font-size: 0.95rem;
  }
}

/* Standard desktops (1200px - 1439px) */
@media (min-width: 1200px) and (max-width: 1439px) {
  .navbar-custom .container-fluid {
    max-width: 1200px;
    padding: 0 2rem;
  }

  .site-branding {
    left: -30px;
  }

  .navbar-custom .navbar-nav {
    gap: 1.1rem;
  }

  .navbar-custom .navbar-nav > li > a {
    padding: 0.75rem 1.4rem;
    min-width: 125px;
    font-size: 0.9rem;
  }
}

/* Medium desktops & small laptops (992px - 1199px) */
@media (min-width: 992px) and (max-width: 1199px) {
  .navbar-custom .container-fluid {
    max-width: 100%;
    padding: 0 1.8rem;
  }

  .site-branding {
    left: -25px;
  }

  .site-branding .logo {
    font-size: 1.3rem;
  }

  .navbar-custom .navbar-nav {
    gap: 0.8rem;
  }

  .navbar-custom .navbar-nav > li > a {
    padding: 0.7rem 1.1rem;
    min-width: 110px;
    font-size: 0.85rem;
  }
}

/* Small laptops & large tablets (768px - 991px) */
@media (min-width: 768px) and (max-width: 991px) {
  .navbar-custom .container-fluid {
    max-width: 100%;
    padding: 0 1.5rem;
  }

  .site-branding {
    left: -20px;
  }

  .site-branding .logo {
    font-size: 1.2rem;
  }

  .navbar-custom .navbar-nav {
    gap: 0.6rem;
  }

  .navbar-custom .navbar-nav > li > a {
    padding: 0.65rem 0.9rem;
    min-width: 100px;
    font-size: 0.8rem;
  }
}

/* Tablets & large phones (576px - 767px) */
@media (min-width: 576px) and (max-width: 767px) {
  .navbar-custom .container-fluid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.2rem;
    height: auto;
  }

  .site-branding {
    position: static;
    transform: none;
    opacity: 1 !important;
    left: auto;
  }

  .site-branding .logo {
    font-size: 1.15rem;
    padding: 0.35rem 0.8rem;
  }

  .navbar-toggle {
    position: static;
    transform: none;
    display: block;
    right: auto;
  }

  /* Hide desktop navigation */
  .navbar-custom .navbar-nav {
    display: none;
    position: static;
    transform: none;
    left: auto;
  }

  /* Enhanced mobile dropdown menu */
  .navbar-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 25, 47, 0.98);
    backdrop-filter: blur(25px) saturate(180%);
    border-top: 1px solid rgba(6, 182, 212, 0.4);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    z-index: 999;
    border-radius: 0 0 16px 16px;
    overflow: hidden;
  }

  .navbar-collapse.in .navbar-nav,
  .navbar-collapse.show .navbar-nav {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 1.5rem 0;
    animation: slideDown 0.3s ease-out;
  }

  .navbar-collapse .navbar-nav > li {
    width: 100%;
  }

  .navbar-collapse .navbar-nav > li > a {
    padding: 1.2rem 2rem;
    border-radius: 0;
    justify-content: flex-start;
    text-align: left;
    min-width: auto;
    white-space: normal;
    font-size: 1.05rem;
    border-bottom: 1px solid rgba(6, 182, 212, 0.1);
    transition: all 0.3s ease;
  }

  .navbar-collapse .navbar-nav > li:last-child > a {
    border-bottom: none;
  }

  .navbar-collapse .navbar-nav > li > a:hover {
    background: rgba(6, 182, 212, 0.25);
    transform: translateX(8px);
    border-left: 4px solid var(--accent-light);
  }
}

/* Small phones (below 576px) */
@media (max-width: 575px) {
  .navbar-custom .container-fluid {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    height: auto;
  }

  .site-branding {
    position: static;
    transform: none;
    opacity: 1 !important;
    left: auto;
  }

  .site-branding .logo {
    font-size: 1rem;
    padding: 0.25rem 0.6rem;
  }

  .site-branding .logo::after {
    right: -0.25rem;
    top: -0.15rem;
    font-size: 0.6rem;
  }

  .navbar-toggle {
    position: static;
    transform: none;
    display: block;
    padding: 0.5rem;
    right: auto;
  }

  .navbar-toggle .icon-bar {
    width: 18px;
    height: 2px;
    margin: 2px 0;
  }

  /* Hide desktop navigation completely */
  .navbar-custom .navbar-nav {
    display: none;
    position: static;
    transform: none;
    left: auto;
  }

  /* Mobile dropdown for small screens */
  .navbar-collapse {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 25, 47, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(6, 182, 212, 0.3);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
    z-index: 999;
    border-radius: 0 0 12px 12px;
  }

  .navbar-collapse.in .navbar-nav,
  .navbar-collapse.show .navbar-nav {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }

  .navbar-collapse .navbar-nav > li > a {
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border-bottom: 1px solid rgba(6, 182, 212, 0.1);
  }

  .navbar-collapse .navbar-nav > li > a:hover {
    background: rgba(6, 182, 212, 0.2);
    transform: translateX(6px);
  }
}

/* Ultra-small devices (below 375px) */
@media (max-width: 374px) {
  .navbar-custom .container-fluid {
    padding: 0 0.8rem;
  }

  .site-branding .logo {
    font-size: 0.9rem;
    padding: 0.2rem 0.5rem;
  }

  .navbar-toggle {
    padding: 0.4rem;
  }

  .navbar-toggle .icon-bar {
    width: 16px;
    height: 2px;
  }

  .navbar-collapse .navbar-nav > li > a {
    padding: 0.9rem 1.2rem;
    font-size: 0.95rem;
  }
}

/* Landscape orientation improvements for tablets */
@media (orientation: landscape) and (max-height: 768px) and (min-width: 768px) {
  .navbar-custom {
    padding: 0.6rem 0;
  }

  .navbar-custom .container-fluid {
    height: 50px;
  }

  .site-branding .logo {
    font-size: 1.1rem;
  }

  .navbar-custom .navbar-nav > li > a {
    padding: 0.6rem 1rem;
    font-size: 0.8rem;
  }
}

/* High DPI / Retina display optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .navbar-toggle .icon-bar {
    height: 2px;
  }

  .site-branding .logo {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* Animation for mobile menu */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Focus states for accessibility */
.navbar-custom .navbar-nav > li > a:focus,
.navbar-toggle:focus {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Reduced motion preference support */
@media (prefers-reduced-motion: reduce) {
  .navbar-custom .navbar-nav > li > a,
  .navbar-toggle,
  .site-branding .logo {
    transition: none;
  }

  .satellite,
  .satellite::before,
  .satellite::after,
  .star {
    animation: none !important;
  }

  .site-header .intro h1,
  .site-header .intro h2,
  .hero-location-date,
  .orbital-countdown,
  #site-header .intro .hero-subtitle {
    animation: none !important;
    opacity: 1 !important;
  }

  .navbar-collapse .navbar-nav {
    animation: none;
  }
}

/* Best Paper Award Badge Styling */
#program .paper-item.best-paper-award {
  position: relative;
  background: linear-gradient(
    135deg,
    rgba(212, 175, 55, 0.03) 0%,
    rgba(184, 134, 11, 0.05) 100%
  );
  border-color: rgba(212, 175, 55, 0.2);
}

#program .paper-item.best-paper-award::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, #d4af37, #b8860b);
  border-radius: 0 4px 4px 0;
  opacity: 1;
}

#program .paper-item.best-paper-award:hover {
  background: linear-gradient(
    135deg,
    rgba(212, 175, 55, 0.08) 0%,
    rgba(184, 134, 11, 0.12) 100%
  );
  border-color: #d4af37;
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 8px 32px rgba(212, 175, 55, 0.2);
}

#program .paper-item.best-paper-award .paper-title {
  position: relative;
  padding-right: 2.5rem;
}

/* Best Paper Award Badge */
.best-paper-badge {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  background: linear-gradient(135deg, #d4af37 0%, #b8860b 100%);
  color: white;
  padding: 0.4rem 0.8rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: 0 3px 12px rgba(212, 175, 55, 0.3);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  z-index: 2;
  white-space: nowrap;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.best-paper-badge::before {
  content: "🏆";
  font-size: 0.8rem;
}

.best-paper-badge:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(212, 175, 55, 0.4);
}

/* Award tooltip on hover */
.best-paper-badge::after {
  content: attr(data-award);
  position: absolute;
  bottom: 100%;
  right: 0;
  background: rgba(10, 25, 47, 0.95);
  color: white;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  font-size: 0.65rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transform: translateY(5px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 3;
  margin-bottom: 0.5rem;
}

.best-paper-badge:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Mobile responsiveness for award badge */
@media (max-width: 768px) {
  #program .paper-item.best-paper-award .paper-title {
    padding-right: 2rem;
  }

  .best-paper-badge {
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.3rem 0.6rem;
    font-size: 0.65rem;
  }

  .best-paper-badge::before {
    font-size: 0.7rem;
  }
}

@media (max-width: 480px) {
  .best-paper-badge {
    position: static;
    margin-top: 0.5rem;
    align-self: flex-start;
    font-size: 0.6rem;
    padding: 0.25rem 0.5rem;
  }

  #program .paper-item.best-paper-award .paper-title {
    padding-right: 0;
  }
}