.project-hero {
  padding: 140px 20px 80px;
  text-align: center;
}

.animations-header {
  max-width: 1200px;
  margin: 40px auto 20px;
  padding: 20px;
  text-align: center;
}

.animations-header h2 {
  font-size: 2.2em;
  color: #00b3ff;
  margin-bottom: 10px;
  text-shadow: 0 0 20px rgba(0, 179, 255, 0.5);
}

.animations-header p {
  font-size: 1.1em;
  color: #a855f7;
  opacity: 0.9;
}

.project-section {
  max-width: 1200px;
  margin: 60px auto;
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.project-section.reverse {
  direction: rtl;
}

.project-section.reverse > * {
  direction: ltr;
}

.project-text {
  font-size: 1em;
  line-height: 1.6;
  padding: 10px 0;
}

.project-text h2 {
  color: #00b3ff;
  margin-bottom: 12px;
  font-size: 1.5em;
  text-shadow: 0 0 10px rgba(0, 179, 255, 0.5);
}

.project-text p {
  margin-bottom: 10px;
}

.hint {
  margin-top: 12px;
  opacity: 0.8;
  font-size: 0.9em;
  color: #a855f7;
  font-style: italic;
}

#nav-canvas,
#challenge-canvas {
  background: rgba(0,0,0,0.4);
  border-radius: 15px;
  box-shadow:
    0 0 25px rgba(0,179,255,0.3),
    inset 0 0 40px rgba(168, 85, 247, 0.1);
  padding: 8px;
  border: 2px solid rgba(0, 179, 255, 0.3);
  max-width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* lidar canvas is rendered without a decorative box so the sensor visuals are unbounded */
#lidar-canvas {
  max-width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* FLL Challenge Section */
.challenge-section {
  background: linear-gradient(180deg, rgba(11, 28, 58, 0.5), rgba(2, 8, 20, 0.8));
  padding: 80px 20px;
  margin: 40px 0;
  border-top: 2px solid rgba(0, 179, 255, 0.3);
  border-bottom: 2px solid rgba(168, 85, 247, 0.3);
}

.challenge-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.challenge-container h2 {
  font-size: 2.5em;
  color: #00b3ff;
  margin-bottom: 10px;
  text-shadow: 0 0 20px rgba(0, 179, 255, 0.5);
}

.challenge-tagline {
  font-size: 1.3em;
  color: #a855f7;
  font-style: italic;
  margin-bottom: 50px;
  text-shadow: 0 0 10px rgba(168, 85, 247, 0.3);
}

.challenge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.challenge-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 30px;
  border-radius: 20px;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(168, 85, 247, 0.3);
  transition: all 0.4s ease;
  text-align: left;
}

.challenge-card:hover {
  transform: translateY(-10px);
  border-color: rgba(0, 179, 255, 0.6);
  box-shadow:
    0 0 40px rgba(0, 179, 255, 0.4),
    0 0 60px rgba(168, 85, 247, 0.2);
}

.challenge-icon {
  font-size: 3em;
  margin-bottom: 15px;
  text-align: center;
  animation: float 3s ease-in-out infinite;
}

.challenge-card h3 {
  color: #00b3ff;
  margin-bottom: 15px;
  font-size: 1.4em;
}

.challenge-card p {
  line-height: 1.6;
  opacity: 0.9;
}

/* Mission Strategy Section */
.missions-section {
  max-width: 1200px;
  margin: 80px auto;
  padding: 60px 20px;
  text-align: center;
}

.missions-section h2 {
  font-size: 2.5em;
  color: #a855f7;
  margin-bottom: 50px;
  text-shadow: 0 0 20px rgba(168, 85, 247, 0.5);
}

.missions-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.mission-card {
  background: linear-gradient(135deg, rgba(0, 119, 255, 0.1), rgba(168, 85, 247, 0.1));
  padding: 35px;
  border-radius: 20px;
  border: 2px solid rgba(0, 179, 255, 0.3);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.mission-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(168, 85, 247, 0.1),
    transparent
  );
  transform: rotate(45deg);
  transition: all 0.6s ease;
}

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

.mission-card:hover {
  transform: translateY(-15px) scale(1.05);
  border-color: rgba(168, 85, 247, 0.6);
  box-shadow:
    0 0 40px rgba(168, 85, 247, 0.5),
    0 10px 30px rgba(0, 179, 255, 0.3);
}

.mission-card h3 {
  color: #a855f7;
  margin-bottom: 15px;
  font-size: 1.3em;
  position: relative;
  z-index: 1;
}

.mission-card p {
  line-height: 1.6;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
  .project-section {
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 40px auto;
  }

  .project-section.reverse {
    direction: ltr;
  }

  .project-text {
    font-size: 0.95em;
  }

  .project-text h2 {
    font-size: 1.3em;
  }

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

  #lidar-canvas,
  #nav-canvas,
  #challenge-canvas {
    width: 100%;
    margin: 0 auto;
  }

  .animations-header h2 {
    font-size: 1.8em;
  }

  .animations-header p {
    font-size: 1em;
  }
}