.hero-content h1 {
  font-size: 4rem;
  margin-bottom: 20px;
  animation: glowText 2s ease-in-out infinite alternate;
}
.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto 30px;
  opacity: 0;
  animation: fadeInUp 1s ease-out 0.5s forwards;
}

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

@keyframes glowText {
  from {
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
  }
  to {
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.8), 0 0 30px rgba(0, 170, 255, 0.6);
  }
}


.button {
  margin-top: 20px;
  background: #0071dc;
  color: white;
  padding: 12px 24px;
  border: none;
  border-radius: 25px;
  font-size: 1em;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease;
  display: inline-block;
  text-decoration: none;
  opacity: 0;
  transform: scale(0.9);
  animation: popIn 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards 0.9s;
}

.button:hover {
  background: #1e3a8a;
  transform: scale(1.05);
}
.theme-btn {
        padding: 9px 25px;
    background-color: #0071dc;
    color: #fff;
    position: relative;
    border-radius: 50px;
    text-align: center;
    overflow: hidden;
    z-index: 1;
    display: inline-block;
    transition: all 0.5s;
}
.theme-btn:before {
    content: "";
    position: absolute;
    z-index: -1;
    height: 100%;
    left: -36%;
    top: 0;
    -webkit-transform: skew(50deg);
    transform: skew(50deg);
    -webkit-transition-duration: 0.6s;
    transition-duration: 0.6s;
    -webkit-transform-origin: top left;
    transform-origin: top left;
    width: 0;
}
.theme-btn:hover {
    color: #fff;
}
.theme-btn:hover:before {
    height: 100%;
    width: 135%;
    background-color: #070b3b;
}

.hero {
  background-color: #0066cc;
  color: #ffffff;
  padding: 150px 0 100px;
  position: relative;
  overflow: hidden;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
}
.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero-background::before,
.hero-background::after {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: rgba(255, 255, 255, 0.1);
  transform-origin: center;
  animation: rotate 20s linear infinite;
}

.hero-background::before {
  background: radial-gradient(circle, transparent 20%, #0066cc 80%);
}

.hero-background::after {
  background: linear-gradient(45deg, transparent 49%, rgba(0, 170, 255, 0.3) 50%, transparent 51%);
  animation-duration: 30s;
}

@keyframes rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

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

@keyframes popIn {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fadeIn {
  to {
    opacity: 0.1;
  }
}

@keyframes slowZoom {
  from {
    transform: scale(1);
  }
  to {
    transform: scale(1.1);
  }
}

/* Các section khác */
section {
  margin-bottom: 60px;
}
h2 {
  color: #0071dc;
  font-size: 2em;
  margin-bottom: 20px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.card {
  background: white;
  border-radius: 8px;
  padding: 20px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 15px;
}
.icon {
  width: 50px;
  height: 50px;
  fill: #0071dc;
  margin-bottom: 15px;
}
.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 15px;
}
.market-item {
  background: #0071dc;
  color: white;
  padding: 15px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.market-item img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-radius: 8px 8px 0 0;
  margin-bottom: 10px;
}
.feature-list {
  list-style-type: none;
  padding: 0;
}
.feature-list li {
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}
.feature-list .icon {
  width: 24px;
  height: 24px;
  margin-right: 10px;
  margin-bottom: 0;
}
.cta {
  text-align: center;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5em;
  }
  .hero p {
    font-size: 1em;
  }
  .grid,
  .market-grid {
    grid-template-columns: 1fr;
  }
}