.hero {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), url('https://images.unsplash.com/photo-1473773508845-188df298d2d1?ixlib=rb-1.2.1&auto=format&fit=crop&w=1950&q=80') no-repeat center center/cover;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path fill="%23a6977b" fill-opacity="0.05" d="M0,0 L100,0 L100,100 L0,100 L0,0 Z M50,50 L60,40 L70,50 L60,60 L50,50 Z M30,30 L40,20 L50,30 L40,40 L30,30 Z M70,30 L80,20 L90,30 L80,40 L70,30 Z M30,70 L40,60 L50,70 L40,80 L30,70 Z M70,70 L80,60 L90,70 L80,80 L70,70 Z"></path></svg>');
  opacity: 0.5;
}

.hero-content {
  position: relative;
  z-index: 2;
  color: white;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.sound-wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  z-index: 1;
  overflow: hidden;
}

.wave {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120" preserveAspectRatio="none"><path fill="%234a6670" opacity="0.2" d="M0,0V46.29c47.79,22.2,103.59,32.17,158,28,70.36-5.37,136.33-33.31,206.8-37.5C438.64,32.43,512.34,53.67,583,72.05c69.27,18,138.3,24.88,209.4,13.08,36.15-6,69.85-17.84,104.45-29.34C989.49,25,1113-14.29,1200,52.47V0Z"></path></svg>') no-repeat;
  background-size: 100% 100%;
  opacity: 0.5;
}

.wave:nth-child(1) {
  animation: wave 30s linear infinite;
  z-index: 3;
  opacity: 0.2;
}

.wave:nth-child(2) {
  animation: wave 15s linear infinite;
  z-index: 2;
  opacity: 0.3;
  bottom: 10px;
}

.wave:nth-child(3) {
  animation: wave 20s linear infinite;
  z-index: 1;
  opacity: 0.4;
  bottom: 20px;
}

@keyframes wave {
  0% {
    transform: translateX(0) translateZ(0) scaleY(1);
  }
  50% {
    transform: translateX(-25%) translateZ(0) scaleY(0.8);
  }
  100% {
    transform: translateX(-50%) translateZ(0) scaleY(1);
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}