.main-slider-two {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.slider-wrapper {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.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 1.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide:nth-child(1) {
  background-image: url("../slider/slider.png");
  opacity: 1;
  animation: slidePhaseA 15s infinite cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide:nth-child(2) {
  background-image: url("../slider/slider.png");
  animation: slidePhaseB 15s infinite cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide:nth-child(3) {
  background-image: url("../slider/slider.png");
  animation: slidePhaseC 15s infinite cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes slidePhaseA {
  0% {
    opacity: 1;
  }
  30% {
    opacity: 1;
  }
  33.33% {
    opacity: 0;
  }
  90% {
    opacity: 0;
  }
  93.33% {
    opacity: 1;
  }
  100% {
    opacity: 1;
  }
}

@keyframes slidePhaseB {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 0;
  }
  33.33% {
    opacity: 1;
  }
  63.33% {
    opacity: 1;
  }
  66.67% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

@keyframes slidePhaseC {
  0% {
    opacity: 0;
  }
  63.33% {
    opacity: 0;
  }
  66.67% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  93.33% {
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

.text-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  z-index: 10;
  width: 90%;
  max-width: 900px;
  padding: 20px;
}

.main-title {
  font-size: 48px;
  font-weight: bold;
  color: #ffffff;
  text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8);
  margin-bottom: 20px;
  line-height: 1.2;
  animation: fadeInUp 2s ease-out;
}

.sub-title {
  font-size: 2rem;
  color: #ffffff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
  font-weight: 300;
  margin-bottom: 40px;
  animation: fadeInUp 2s ease-out 0.5s both;
}

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

/* RESPONSIVE DESIGN */
@media screen and (max-width: 1024px) {
  .main-title {
    font-size: 3.5rem;
  }
  .sub-title {
    font-size: 1.8rem;
  }
}

@media screen and (max-width: 768px) {
  .main-title {
    font-size: 2.8rem;
    margin-bottom: 15px;
  }
  .sub-title {
    font-size: 1.5rem;
  }
  .text-container {
    width: 95%;
    padding: 15px;
  }
}

@media screen and (max-width: 480px) {
  .main-title {
    font-size: 2.2rem;
    margin-bottom: 12px;
  }
  .sub-title {
    font-size: 1.3rem;
  }
  .text-container {
    padding: 10px;
  }
}

@media screen and (max-width: 360px) {
  .main-title {
    font-size: 1.8rem;
    margin-bottom: 10px;
  }
  .sub-title {
    font-size: 1.1rem;
  }
}

.slide {
  will-change: opacity;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform: translateZ(0);
}

.slide {
  animation-fill-mode: both;
  animation-play-state: running;
}

.main-slider-two {
  transform: translateZ(0);
  will-change: transform;
}

.slider-wrapper {
  transform: translateZ(0);
  will-change: transform;
}

#about {
  scroll-margin-top: 150px;
}