:root {
  /* Brand Colors */
  --color-primary: #00d4ff;
  --color-primary-dark: #00a8cc;
  --color-secondary: #00ced1;
  --color-accent: #ff6b6b;
  --color-dark: #1a1a1a;
  --color-light: #ffffff;
  --color-gray: #f5f5f5;

  /* Typography */
  --font-main: "Poppins", sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;

  /* Effects */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--color-light);
  overflow-x: hidden;
  line-height: 1.6;
}

/* Background Slider */
.background-slider {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 2s ease-in-out;
}

.slide.active {
  opacity: 1;
}


.overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    135deg,
    rgba(0, 0, 0, 0.85) 0%,
    rgba(0, 0, 0, 0.6) 50%,
    rgba(0, 0, 0, 0.85) 100%
  );
  z-index: -1;
  backdrop-filter: blur(2px);
}

/* Content Container */
.content {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.header {
  padding: var(--spacing-md) 0;
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 2px solid rgba(0, 212, 255, 0.3);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.logo-container {
  flex-shrink: 0;
}

.logo {
  height: 60px;
  width: auto;
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
  transition: transform var(--transition-normal);
}

.logo:hover {
  transform: scale(1.05);
}

.nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.nav-link {
  color: var(--color-light);
  text-decoration: none;
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 8px;
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-normal);
}

.nav-link:hover {
  color: var(--color-primary);
  background: rgba(0, 212, 255, 0.1);
}

.nav-link:hover::after {
  width: 80%;
}

/* Hero Section */
.hero {
  min-height: calc(100vh - 100px);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--spacing-xl) 0;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease;
}

.title-main {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  color: var(--color-light);
  text-shadow: 
    0 0 40px rgba(0, 212, 255, 0.8),
    0 4px 8px rgba(0, 0, 0, 0.9),
    0 2px 4px rgba(0, 0, 0, 1),
    2px 2px 0 rgba(0, 212, 255, 0.5);
  filter: drop-shadow(0 0 30px rgba(0, 212, 255, 0.6));
}

.title-sub {
  font-size: clamp(1.2rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--color-light);
  text-transform: uppercase;
  letter-spacing: 3px;
  text-shadow: 
    0 2px 8px rgba(0, 0, 0, 1),
    0 0 20px rgba(0, 212, 255, 0.6);
}

.hero-description {
  font-size: clamp(1rem, 2vw, 1.3rem);
  margin-bottom: var(--spacing-lg);
  color: var(--color-light);
  text-shadow: 
    0 2px 6px rgba(0, 0, 0, 0.9),
    0 1px 3px rgba(0, 0, 0, 1);
  font-weight: 500;
  animation: fadeInUp 1s ease 0.2s backwards;
}

/* Player Card */
.player-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: var(--spacing-md);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  border: 1px solid rgba(255, 255, 255, 0.2);
  margin-bottom: var(--spacing-md);
  animation: fadeInUp 1s ease 0.4s backwards;
}

.player-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.pulse-indicator {
  width: 12px;
  height: 12px;
  background: #ff4444;
  border-radius: 50%;
  animation: pulse 2s infinite;
  box-shadow: 0 0 10px #ff4444;
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.7;
  }
}

.live-text {
  font-weight: 700;
  color: var(--color-light);
  letter-spacing: 2px;
  font-size: 0.9rem;
}

.player-container {
  border-radius: 12px;
  overflow: hidden;
  background: rgba(0, 0, 0, 0.3);
}

/* Install Button - Floating Action Button */
.install-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 18px 28px;
  background: linear-gradient(
    135deg,
    var(--color-primary),
    var(--color-secondary)
  );
  color: var(--color-dark);
  border: none;
  border-radius: 50px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-normal);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.4), 0 4px 12px rgba(0, 0, 0, 0.3);
  z-index: 1000;
  animation: floatIn 1s ease 1s backwards, pulse-glow 3s ease-in-out infinite;
}

.install-btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 12px 32px rgba(0, 212, 255, 0.6), 0 6px 16px rgba(0, 0, 0, 0.4);
}

.install-btn:active {
  transform: translateY(-3px) scale(1.02);
}

.install-btn.hidden {
  display: none;
}

.btn-icon {
  width: 24px;
  height: 24px;
}

/* About Section */
.about {
  padding: var(--spacing-xl) 0;
}

.about-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.section-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-light);
  text-shadow: 
    0 0 30px rgba(0, 212, 255, 0.8),
    0 3px 6px rgba(0, 0, 0, 0.9),
    0 1px 3px rgba(0, 0, 0, 1);
}

.about-text {
  font-size: 1.1rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  line-height: 1.8;
  color: var(--color-light);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  font-weight: 400;
}

/* Features Grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.feature {
  text-align: center;
  padding: var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.feature:hover {
  transform: translateY(-5px);
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  filter: drop-shadow(0 0 10px rgba(0, 212, 255, 0.5));
}

.feature h3 {
  font-size: 1.3rem;
  margin-bottom: var(--spacing-xs);
  color: var(--color-light);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
  font-weight: 600;
}

.feature p {
  color: var(--color-light);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

/* Contact Section */
.contact {
  padding: var(--spacing-xl) 0;
}

.contact-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  text-align: center;
}

.contact-text {
  font-size: 1.1rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-light);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.8);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 500px;
  margin: 0 auto var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  color: var(--color-light);
  text-decoration: none;
  transition: all var(--transition-normal);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-item:hover {
  background: rgba(0, 212, 255, 0.2);
  border-color: var(--color-primary);
  transform: translateX(5px);
}

.contact-icon {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

/* Social Links */
.social-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
}

.social-link {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--color-light);
  transition: all var(--transition-normal);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.social-link:hover {
  background: var(--color-primary);
  color: var(--color-dark);
  transform: translateY(-5px) rotate(5deg);
  box-shadow: var(--shadow-glow);
}

.social-link svg {
  width: 24px;
  height: 24px;
}

/* Install Button */
.install-btn {
  position: fixed;
  bottom: 30px;
  left: 30px;
  right: auto;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-primary);
  color: var(--color-dark);
  border: none;
  padding: 16px 24px;
  border-radius: 50px;
  font-family: var(--font-main);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.4);
  transition: all var(--transition-normal);
  animation: floatIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards, pulse-glow 2s infinite;
}

.install-btn:hover {
  transform: translateY(-5px) scale(1.05);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.6);
  background: white;
}

.install-btn:active {
  transform: translateY(0) scale(0.95);
}

.btn-icon {
  width: 24px;
  height: 24px;
}

.hidden {
  display: none !important;
}

@media (max-width: 768px) {
  .install-btn .btn-text {
    display: none;
  }
  
  .install-btn {
    padding: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    justify-content: center;
  }
  
  .install-btn:hover {
    transform: scale(1.1);
  }
}

/* Footer */
.footer {
  padding: var(--spacing-md) 0;
  text-align: center;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  border-top: 2px solid rgba(0, 212, 255, 0.3);
}

.footer p {
  margin-bottom: var(--spacing-xs);
  color: var(--color-light);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

.footer-verse {
  font-style: italic;
  font-size: 0.9rem;
  color: var(--color-primary);
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.9);
  font-weight: 500;
}

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

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

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.4), 0 4px 12px rgba(0, 0, 0, 0.3);
  }
  50% {
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.7), 0 4px 16px rgba(0, 0, 0, 0.4);
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .header .container {
    flex-direction: column;
    text-align: center;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: center;
  }

  .logo {
    height: 50px;
  }

  .features {
    grid-template-columns: 1fr;
  }

  .social-links {
    flex-wrap: wrap;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
  }

  /* Disable heavy blur on mobile */
  .header, .player-card, .about-card, .contact-card {
    backdrop-filter: none;
    background: rgba(0, 0, 0, 0.8); /* Darker background to compensate */
  }

  .install-btn {
    bottom: 20px;
    left: 20px;
    right: auto;
    padding: 0;
    animation: none; /* Disable animation on mobile */
  }

  .player-card {
    padding: var(--spacing-sm);
  }

  .about-card,
  .contact-card {
    padding: var(--spacing-md);
  }
}

/* Print Styles */
@media print {
  .background-slider,
  .overlay,
  .install-btn {
    display: none;
  }
}