/* Top Controls - Fixed positioning */
.top-controls {
  position: fixed;
  top: var(--space-xl);
  right: var(--space-xl);
  z-index: 1001;
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

/* Sound Toggle */
.sound-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.sound-toggle:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg);
  transform: scale(1.1);
}

.sound-toggle.playing {
  border-color: var(--accent-primary);
  box-shadow: 0 0 20px var(--accent-primary)40;
  animation: sound-pulse 2s infinite;
}

@keyframes sound-pulse {
  0%, 100% {
    box-shadow: 0 0 20px var(--accent-primary)40;
  }
  50% {
    box-shadow: 0 0 30px var(--accent-primary)60;
  }
}

.sound-icon {
  font-size: var(--font-size-2xl);
  line-height: 1;
}

/* Theme Toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: var(--bg-secondary);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  color: var(--text-primary);
  font-size: var(--font-size-2xl);
  cursor: pointer;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-lg);
  transform: scale(1.1);
}

.theme-toggle.switching {
  box-shadow: 0 0 20px var(--accent-primary);
}

.theme-icon {
  font-size: var(--font-size-2xl);
  line-height: 1;
}

.theme-name {
  display: none;
}

/* Remove old theme-switcher styles */
.theme-switcher {
  display: none;
}

/* Hero Section */
.hero {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  background: var(--bg-primary);
  padding: 2rem 1rem;
  box-sizing: border-box;
  min-height: 600px;
}

.hero-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  opacity: 0.6;
  transition: opacity var(--transition-normal);
}

.hero-video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-title {
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 800;
  margin: 0 auto 1.5rem auto;
  line-height: 1.1;
  display: block;
  letter-spacing: -0.02em;
  text-align: center;
  width: 100%;
}

.title-line {
  display: block;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--accent-primary);
  text-shadow: 0 0 30px var(--accent-primary)40;
  margin-bottom: var(--space-sm);
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  color: var(--text-accent);
  margin: 0 auto 2rem auto;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-align: center;
  width: 100%;
}

.hero-description {
  font-size: clamp(0.9rem, 1.8vw, 1.1rem);
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 auto 2rem auto;
  max-width: 800px;
  text-align: center;
  width: 100%;
}

.hero-cta {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  margin: 0 auto 2rem auto;
  width: 100%;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.scroll-indicator:hover {
  transform: translateX(-50%) translateY(-5px);
}

.scroll-arrow {
  font-size: 2.5rem;
  color: var(--text-accent);
  animation: bounce 2s infinite;
  line-height: 1;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-10px);
  }
  60% {
    transform: translateY(-5px);
  }
}

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

.challenge-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  max-width: 800px;
  margin: 0 auto var(--space-2xl) auto;
}

.stat {
  text-align: center;
  padding: var(--space-xl);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition: all var(--transition-normal);
}

.stat:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow);
}

.stat-number {
  display: block;
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: var(--space-sm);
  font-family: var(--font-secondary);
}

.stat-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.challenge-text {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  text-align: center;
}

.challenge-text p {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

/* Apps Section */
.apps-section {
  background: var(--bg-primary);
}

.app-modal__footer {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-color);
}

.app-modal__try-btn {
  min-width: 200px;
}

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

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.tool-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-primary), transparent);
  transition: left 0.5s ease;
}

.tool-card:hover::before {
  left: 100%;
}

.tool-card:hover {
  border-color: var(--border-accent);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.tool-icon {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-lg);
  display: block;
}

.tool-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.tool-description {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Build Section */
.build-section {
  background: var(--bg-primary);
  text-align: center;
}

.build-content {
  max-width: 700px;
  margin: 0 auto;
}

.build-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
}

.build-actions {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

.copy-prompt {
  position: relative;
  overflow: hidden;
}

.copy-prompt::after {
  content: 'Copied!';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.copy-prompt.copied::after {
  opacity: 1;
}

/* Theme-specific adjustments */
:root[data-theme="newspaper"] .title-line {
  background: var(--text-primary);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

:root[data-theme="newspaper"] .hero::before {
  display: none;
}

:root[data-theme="newspaper"] .hero-video-overlay {
  background: rgba(255, 255, 255, 0.5);
}

:root[data-theme="terminal"] .hero::before {
  background: radial-gradient(circle at 50% 50%, var(--accent-primary)05, transparent 70%);
}

:root[data-theme="terminal"] .title-line {
  text-shadow: 0 0 10px var(--accent-primary);
}

:root[data-theme="terminal"] .hero-video-overlay {
  background: rgba(0, 0, 0, 0.6);
}

:root[data-theme="vaporwave"] .hero {
  background: var(--bg-primary);
}

:root[data-theme="vaporwave"] .hero::before {
  background: radial-gradient(circle at 30% 70%, var(--accent-primary)20, transparent 50%),
              radial-gradient(circle at 70% 30%, var(--accent-secondary)20, transparent 50%);
}

:root[data-theme="vaporwave"] .hero-video-overlay {
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.6), rgba(118, 75, 162, 0.6));
}

:root[data-theme="neon"] .hero-video-overlay {
  background: rgba(0, 0, 0, 0.4);
}

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.hero-title {
  animation: fadeInUp 0.8s ease-out;
}

.hero-subtitle {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-description {
  animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-cta {
  animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Scroll-triggered animations would be added here with Intersection Observer */
.section-title {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

.section-title.visible {
  opacity: 1;
  transform: translateY(0);
}

.tool-card {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

.tool-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .challenge-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .challenge-stats {
    flex-direction: row;
    justify-content: center;
  }
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .top-controls {
    top: var(--space-md);
    right: var(--space-md);
  }
  
  .sound-toggle,
  .theme-toggle {
    width: 50px;
    height: 50px;
    font-size: var(--font-size-xl);
  }
  
  .sound-icon,
  .theme-icon {
    font-size: var(--font-size-xl);
  }
  
  .hero {
    min-height: 100vh;
    padding: 1rem 0.5rem;
  }
  
  .hero-content {
    padding: 1rem 0.5rem;
  }
  
  .hero-cta {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 280px;
    justify-content: center;
  }
  
  .challenge-stats {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .tools-grid {
    grid-template-columns: 1fr;
  }
  
  .build-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .build-actions .btn {
    width: 100%;
    max-width: 300px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .btn {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--font-size-sm);
  }
}