:root {
  --primary-neon: #00fff2;
  --primary-glow: #00a8a3;
  --background-dark: #090915;
  --nav-height: 60px;
  
  /* Platform Colors */
  --twitch-purple: #9146FF;
  --twitch-dark: #0e0e10;
  --youtube-red: #FF0000;
  --youtube-dark: #111111;
  --tiktok-cyan: #25F4EE;
  --tiktok-pink: #FE2C55;
  --tiktok-dark: #000000;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  background: var(--background-dark);
  color: white;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Intro Page Specific Styles */
.intro-container {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  background: url('../assets/Intropage.png') center/cover no-repeat;
  position: relative;
  overflow: hidden;
}

.intro-title {
  font-size: 6rem;
  font-weight: 800;
  transform: perspective(1000px) rotateX(15deg);
  margin-bottom: 1rem;
  animation: float 6s ease-in-out infinite;
  text-shadow: 
    0 0 7px var(--primary-neon),
    0 0 10px var(--primary-neon),
    0 0 21px var(--primary-neon),
    0 0 42px var(--primary-glow),
    0 0 82px var(--primary-glow),
    0 0 92px var(--primary-glow),
    0 0 102px var(--primary-glow),
    0 0 151px var(--primary-glow);
}

.intro-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.9;
  text-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

.intro-btn {
  display: inline-block;
  padding: 1rem 2rem;
  font-size: 1.2rem;
  color: white;
  text-decoration: none;
  background: rgba(0, 255, 242, 0.1);
  border: 2px solid var(--primary-neon);
  border-radius: 8px;
  transition: all 0.3s ease;
  text-shadow: 0 0 8px var(--primary-neon);
  box-shadow: 
    0 0 5px var(--primary-neon),
    inset 0 0 5px var(--primary-neon);
}

.intro-btn:hover {
  background: rgba(0, 255, 242, 0.2);
  box-shadow: 
    0 0 5px var(--primary-neon),
    0 0 25px var(--primary-neon),
    0 0 50px var(--primary-neon),
    inset 0 0 5px var(--primary-neon);
  transform: scale(1.05);
}

/* Navigation Bar */
.nav-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(9, 9, 21, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.nav-link {
  color: white;
  text-decoration: none;
  font-size: 1.1rem;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  text-shadow: 
    0 0 7px var(--primary-neon),
    0 0 10px var(--primary-neon);
  color: var(--primary-neon);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary-neon);
  transform: translateX(-50%);
  transition: width 0.3s ease;
}

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

/* Sponsorship Section */
.sponsorship-container {
  padding-top: calc(var(--nav-height) + 2rem);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: calc(var(--nav-height) + 2rem) 1rem 2rem;
}

.glass-card {
  background: url('../assets/grabtap-bg.png') center/cover no-repeat;
  border-radius: 24px;
  padding: 3rem;
  max-width: 1100px;
  width: 100%;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 255, 242, 0.2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(9, 9, 21, 0.85);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.card-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  align-items: center;
}

.card-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 4rem;
  align-items: center;
}

.text-section {
  padding-right: 2rem;
}

.sponsorship-title {
  font-size: 2.8rem;
  font-weight: 800;
  margin-bottom: 2rem;
  color: #fff;
  text-shadow: 
    1px 1px 1px rgba(0, 0, 0, 0.8),
    2px 2px 3px rgba(0, 0, 0, 0.6);
}

.sponsorship-text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: #fff;
  font-weight: 600;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.8);
}

.highlight {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  font-weight: 700;
  color: #fff;
  text-shadow: 
    1px 1px 1px rgba(0, 0, 0, 0.8),
    2px 2px 3px rgba(0, 0, 0, 0.6);
}

.testimonial {
  font-style: italic;
  margin: 2rem 0;
  padding: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  border-left: 4px solid var(--primary-neon);
  color: #fff;
  font-weight: 600;
  text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.8);
}

.sponsorship-text p {
  margin-bottom: 1.5rem;
}

.sponsorship-text strong {
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
  text-shadow: 
    1px 1px 1px rgba(0, 0, 0, 0.8),
    2px 2px 3px rgba(0, 0, 0, 0.6);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1rem;
  padding: 1rem 2rem;
  font-size: 1.2rem;
  color: var(--background-dark);
  text-decoration: none;
  background: var(--primary-neon);
  border-radius: 8px;
  transition: all 0.3s ease;
  font-weight: 700;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.3);
  box-shadow: 0 4px 15px rgba(0, 255, 242, 0.3);
}

.button-arrow {
  transition: transform 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(33, 150, 243, 0.3);
}

.cta-button:hover .button-arrow {
  transform: translateX(4px);
}

.qr-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.qr-card {
  background: white;
  padding: 1.5rem;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.qr-card:hover {
  transform: translateY(-5px);
}

.qr-code {
  display: block;
  max-width: 200px;
  height: auto;
}

.qr-caption {
  margin-top: 1rem;
  font-size: 1rem;
  color: #333;
  font-weight: 500;
}

.mobile-caption {
  margin-top: 1rem;
  font-size: 0.9rem;
  opacity: 0.7;
}

/* Background animation */
.glass-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at center,
    transparent 0%,
    rgba(33, 150, 243, 0.03) 30%,
    transparent 70%
  );
  animation: rotateGradient 20s linear infinite;
  z-index: -1;
}

@keyframes rotateGradient {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Platform Pages */
.platform-container {
  padding-top: calc(var(--nav-height) + 2rem);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: calc(var(--nav-height) + 2rem) 1rem 2rem;
}

.platform-card {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  padding: 3rem;
  max-width: 900px;
  width: 100%;
  position: relative;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.platform-header {
  text-align: center;
  margin-bottom: 3rem;
}

.platform-header .platform-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  margin-bottom: 1.5rem;
  filter: drop-shadow(0 5px 15px rgba(255, 255, 255, 0.2));
  transition: transform 0.3s ease;
}

.platform-header:hover .platform-logo {
  transform: translateY(-5px);
}

.platform-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  background: linear-gradient(45deg, #fff, #f0f0f0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.platform-description {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.6;
}

.platform-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 500px;
  margin: 0 auto;
}

.platform-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-size: 1.1rem;
  color: white;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.platform-button:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
}

.platform-button span {
  opacity: 0.8;
  font-size: 0.9em;
}

/* Platform-specific themes */

/* Twitch Theme */
.twitch-theme {
  position: relative;
  overflow: hidden;
}

.twitch-theme::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../assets/twitch.png') center/cover no-repeat fixed;
  opacity: 0.85;
  z-index: -1;
  pointer-events: none;
}

.twitch-theme .platform-card {
  border: 1px solid rgba(145, 70, 255, 0.2);
  background: rgba(14, 14, 16, 0.7);
}

.twitch-theme .platform-button {
  background: var(--twitch-purple);
  border: none;
  border-radius: 20px;
  padding: 12px 24px;
  font-weight: 600;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.twitch-theme .platform-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: 0.5s;
}

.twitch-theme .platform-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(145, 70, 255, 0.4);
}

.twitch-theme .platform-button:hover::before {
  left: 100%;
  transition: 0.5s;
}

.twitch-theme .platform-title {
  animation: glitchText 5s infinite;
  background: linear-gradient(45deg, var(--twitch-purple), #fff);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 0 8px rgba(145, 70, 255, 0.3);
}

/* YouTube Theme */
.youtube-theme {
  position: relative;
  overflow: hidden;
}

.youtube-theme::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../assets/youtube.png') center/cover no-repeat fixed;
  opacity: 0.85;
  z-index: -1;
  pointer-events: none;
}

.youtube-theme .platform-card {
  border: 1px solid rgba(255, 0, 0, 0.2);
  background: rgba(17, 17, 17, 0.7);
}

.youtube-theme .platform-button {
  background: var(--youtube-red);
  border: none;
  border-radius: 4px;
  padding: 12px 24px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.youtube-theme .platform-button::before {
  content: '▶';
  font-size: 0.9em;
  animation: playPulse 2s infinite;
}

.youtube-theme .platform-button:hover {
  background: #ff1a1a;
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(255, 0, 0, 0.3);
}

.youtube-theme .platform-title {
  background: linear-gradient(45deg, var(--youtube-red), #fff);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 0 8px rgba(255, 0, 0, 0.3);
}

/* TikTok Theme */
.tiktok-theme {
  position: relative;
  overflow: hidden;
}

.tiktok-theme::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('../assets/tiktok.png') center/cover no-repeat fixed;
  opacity: 0.85;
  z-index: -1;
  pointer-events: none;
}

.tiktok-theme .platform-card {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.7);
  position: relative;
}

.tiktok-theme .platform-button {
  background: rgba(0, 0, 0, 0.8);
  border: 2px solid transparent;
  border-radius: 8px;
  padding: 12px 24px;
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.tiktok-theme .platform-button::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--tiktok-cyan), var(--tiktok-pink));
  border-radius: 8px;
  z-index: -1;
  animation: neonPulse 2s infinite;
}

.tiktok-theme .platform-button:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 0 20px rgba(37, 244, 238, 0.3),
    0 0 40px rgba(254, 44, 85, 0.3);
}

.tiktok-theme .platform-title {
  background: linear-gradient(45deg, var(--tiktok-cyan), var(--tiktok-pink));
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 
    0 0 8px rgba(37, 244, 238, 0.3),
    0 0 16px rgba(254, 44, 85, 0.3);
}

/* Guide Theme */
.guide-theme {
  background: var(--background-dark);
  position: relative;
  overflow: hidden;
}

.guide-theme::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    linear-gradient(rgba(0, 255, 242, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 255, 242, 0.03) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none;
}

.guide-theme .platform-card {
  border: 1px solid rgba(0, 255, 242, 0.15);
  background: rgba(9, 9, 21, 0.8);
}

.guide-theme .platform-button {
  background: rgba(0, 255, 242, 0.1);
  border: 1px solid rgba(0, 255, 242, 0.2);
  border-radius: 4px;
  padding: 12px 24px;
  font-weight: 500;
  letter-spacing: 0.5px;
}

.guide-theme .platform-button:hover {
  background: rgba(0, 255, 242, 0.15);
  border-color: rgba(0, 255, 242, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 5px 20px rgba(0, 255, 242, 0.2);
}

.guide-theme .platform-title {
  background: linear-gradient(45deg, var(--primary-neon), #fff);
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 0 8px rgba(0, 255, 242, 0.3);
}

/* TikTok theme overlay */

/* Rotating gradient background */
.platform-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle at center,
    transparent 0%,
    rgba(255, 255, 255, 0.03) 30%,
    transparent 70%
  );
  animation: rotateGradient 20s linear infinite;
  z-index: -1;
}

/* Twitch Animations */
@keyframes glitchText {
  0%, 100% { transform: none; opacity: 1; }
  92% { transform: skew(-0.3deg) translateX(2px); opacity: 0.95; }
  93% { transform: skew(0.3deg) translateX(-2px); opacity: 0.9; }
  94% { transform: skew(-0.3deg) translateX(1px); opacity: 0.95; }
  95% { transform: none; opacity: 1; }
}

/* YouTube Animations */
@keyframes playPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

@keyframes thumbnailFlip {
  0% { transform: perspective(1000px) rotateY(0); }
  100% { transform: perspective(1000px) rotateY(180deg); }
}

/* TikTok Animations */
@keyframes neonPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

/* YouTube Thumbnail Preview */
.youtube-theme .thumbnail {
  position: relative;
  transition: transform 0.6s;
  transform-style: preserve-3d;
}

.youtube-theme .thumbnail:hover {
  animation: thumbnailFlip 0.6s ease-out forwards;
}

.platform-header {
  text-align: center;
  margin-bottom: 3rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
}

.platform-header .platform-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px var(--primary-neon));
}

.platform-header .platform-title {
  font-size: 2.5rem;
  background: linear-gradient(45deg, #fff, var(--primary-neon));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(0, 255, 242, 0.5);
}

.platform-header .platform-description {
  font-size: 1.2rem;
  opacity: 0.9;
  max-width: 600px;
}

.platform-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  max-width: 500px;
}

.platform-button {
  padding: 1rem 2rem;
  font-size: 1.2rem;
  color: white;
  text-decoration: none;
  background: rgba(0, 255, 242, 0.1);
  border: 2px solid var(--primary-neon);
  border-radius: 8px;
  transition: all 0.3s ease;
  text-align: center;
  text-shadow: 0 0 8px var(--primary-neon);
  box-shadow: 
    0 0 5px var(--primary-neon),
    inset 0 0 5px var(--primary-neon);
}

.platform-button:hover {
  background: rgba(0, 255, 242, 0.2);
  box-shadow: 
    0 0 5px var(--primary-neon),
    0 0 25px var(--primary-neon),
    0 0 50px var(--primary-neon),
    inset 0 0 5px var(--primary-neon);
  transform: scale(1.02);
}

.hero-text {
  font-size: 4rem;
  text-align: center;
  margin-bottom: 3rem;
  background: linear-gradient(45deg, #fff, var(--primary-neon));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(0, 255, 242, 0.5);
}

.platform-section {
  display: flex;
  align-items: center;
  margin: 2rem auto;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  max-width: 900px;
}

.platform-logo {
  width: 80px;
  height: 80px;
  margin-right: 2rem;
  object-fit: contain;
}

.platform-content {
  flex: 1;
}

.platform-title {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  color: var(--primary-neon);
}

.platform-description {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  opacity: 0.9;
}

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

.platform-button {
  padding: 0.5rem 1rem;
  font-size: 1rem;
  color: white;
  text-decoration: none;
  background: rgba(0, 255, 242, 0.1);
  border: 1px solid var(--primary-neon);
  border-radius: 4px;
  transition: all 0.3s ease;
}

.platform-button:hover {
  background: rgba(0, 255, 242, 0.2);
  box-shadow: 0 0 15px var(--primary-neon);
}

/* Animations */
@keyframes float {
  0%, 100% {
    transform: perspective(1000px) rotateX(15deg) translateY(0);
  }
  50% {
    transform: perspective(1000px) rotateX(15deg) translateY(-20px);
  }
}

/* Background Animation for Intro */
.bg-animation {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  background: linear-gradient(45deg, 
    rgba(0, 255, 242, 0.1),
    rgba(41, 41, 97, 0.1),
    rgba(0, 255, 242, 0.1)
  );
  filter: blur(100px);
  animation: gradientBG 15s ease infinite;
}

@keyframes gradientBG {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .glass-card {
    padding: 2rem;
  }

  .card-content {
    gap: 3rem;
  }

  .sponsorship-title {
    font-size: 2.4rem;
  }

  .text-section {
    padding-right: 0;
  }
}

@media (max-width: 768px) {
  .intro-title {
    font-size: 4rem;
  }
  
  .platform-section {
    flex-direction: column;
    text-align: center;
  }
  
  .platform-logo {
    margin: 0 0 1rem 0;
  }
  
  .nav-links {
    gap: 1rem;
  }
  
  .nav-link {
    font-size: 1rem;
    padding: 0.4rem 0.8rem;
  }

  .glass-card {
    padding: 1.5rem;
  }

  .card-content {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .sponsorship-title {
    font-size: 2.2rem;
    text-align: center;
  }

  .highlight {
    font-size: 1.2rem;
  }

  .testimonial {
    margin: 1.5rem 0;
  }

  .qr-section {
    margin-top: 1rem;
  }

  .cta-button {
    display: flex;
    justify-content: center;
    width: 100%;
    margin-top: 2rem;
  }
}

@media (max-width: 480px) {
  .intro-title {
    font-size: 3rem;
  }
  
  .intro-subtitle {
    font-size: 1.2rem;
  }
  
  .hero-text {
    font-size: 3rem;
  }

  .glass-card {
    padding: 1.25rem;
  }

  .sponsorship-title {
    font-size: 1.8rem;
  }

  .highlight {
    font-size: 1.1rem;
  }

  .sponsorship-text {
    font-size: 1rem;
  }

  .testimonial {
    font-size: 0.95rem;
    padding-left: 0.75rem;
  }

  .cta-button {
    padding: 0.8rem 1.5rem;
    font-size: 1.1rem;
  }

  .qr-card {
    padding: 1rem;
  }

  .qr-code {
    max-width: 160px;
  }
}
main { display: flex; flex-direction: column; align-items: center; gap: 20px; }
.nav-btn, .back-btn {
  display: inline-block; padding: 10px 20px;
  background: rgba(0,240,255,0.1); border-radius: 6px;
  text-decoration: none; color: #00f0ff; transition: 0.3s;
  border: 1px solid #00f0ff;
  box-shadow: 0 0 10px rgba(0,240,255,0.4);
}
.nav-btn:hover, .back-btn:hover {
  background: rgba(0,240,255,0.3);
  box-shadow: 0 0 20px rgba(0,240,255,0.6);
}