* {
  margin: 0;
  padding: 0;
  font-family: "Poppins", sans-serif;
}

body {
  padding-top: 0 !important;
}

:root {
  --primary-color: #27548a;
  --secondary-color: #ffffff;
}

.banner-wrapper {
  position: relative;
  width: 100%;
  height: 80vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.banner-img {
  height: 100%;
  width: 100%;
  object-fit: cover;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 80vh;
  background-color: rgba(16, 22, 67, 0.5);
}

.text-banner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  text-align: center;
  z-index: 1;
}

.text-banner span {
  font-size: 3rem;
  display: block;
  margin-bottom: 20px;
  font-weight: bold;
}

.text-banner h1 {
  font-size: 4.2rem;
  margin: 0;
  font-weight: bold;
  line-height: 1.2;
}

.text-banner h2 {
  font-size: 3.75rem;
  margin: 0;
  font-weight: bold;
  line-height: 1.2;
}

section {
  /* padding-top: 60px; */
  padding-bottom: 40px;
  /* height: 600px; */
}

.content-intro {
  text-align: center;
  text-wrap: wrap;
  max-width: 600px;
  color: var(--primary-color);
  margin: 0 auto;
}

.content-intro p {
  font-size: 1.5rem;
  text-align: center;
  line-height: 1.6;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.title-intro,
.content-intro {
  font-weight: 600;
  color: var(--primary-color);
}

.btn-outline-primary {
  width: 150px !important;
  height: 50px !important;
  border: 2px solid #27548a !important;
  color: #27548a !important;
  font-weight: bold !important;
  transition: 1ms ease-in-out !important;
}

.btn-outline-primary:hover {
  background-color: #27548a !important;
  color: #f3f3e0 !important;
}

.introduce-text {
  opacity: 1;
  transform: translateX(0);
  transition: all 1s ease-out;
  width: 50% !important;
}

.introduce-text .fade-in-left {
  opacity: 0;
  transform: translateX(-100px);
  transition: all 1s ease-out;
}

.introduce-text.fade-in-left.animate {
  opacity: 1;
  transform: translateX(0);
}

.img-intro {
  width: 50% !important;
  height: 500px;
  overflow: hidden;
}

.img-intro img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}

/* Introduction Section */
.introduction {
  /* padding: 80px 0; */
  background-color: var(--secondary-color);
}

.intro-wrapper {
  margin: 0 auto;
  display: flex;
  justify-content: center;

}

.intro-item {
  /* width: 100%; */
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 120px;
}

.intro-text,
.intro-img {
  width: 50%;
}

.introduce-text {
  flex: 1;
}


.title-intro h1 {
  text-align: center;
  font-size: 3.5rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 30px;
}

.img-intro {
  flex: 1;
  height: 100vh;
  overflow: hidden;
}

.img-intro img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}

/*Section Features*/
.features {
  padding: 80px 0;
  background-color: #f8f9fa;
}

/* .features-wrapper {
    max-width: 1200px;
    margin: 0 auto;
  } */

.features-item {
  display: flex;
  flex-direction: row;
  gap: 40px;
  align-items: center;
  /* height: 600px; */
}

.features-item-img {
  width: 50%;
  height: 100%;
  overflow: hidden;
}

.features-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
}

.features-content {
  width: 50%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.features-content h1 {
  font-size: 48px;
  margin-bottom: 30px;
  color: var(--primary-color);
  font-weight: bold;
}

.features-content ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.features-content li {
  font-size: 1.25rem;
  line-height: 1.8;
  margin-bottom: 15px;
  color: var(--primary-color);
  position: relative;
  padding-left: 30px;
}

.features-content li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* Add padding to body to prevent content from hiding under fixed header */
body {
  padding-top: 100px;
}

.intro-btn {
  margin-top: 30px;
}

.intro-btn .btn-outline-primary {
  width: 300px !important;
  height: 50px !important;
  border: 2px solid var(--primary-color) !important;
  color: var(--primary-color) !important;
  font-weight: bold !important;
  font-size: 18px !important;
  transition: all 0.3s ease-in-out !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  text-decoration: none !important;
}

.intro-btn .btn-outline-primary:hover {
  background-color: var(--primary-color) !important;
  color: var(--secondary-color) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(39, 84, 138, 0.2);
}

/* Animation Classes */
.fade-in-left,
.fade-in-right,
.fade-in-up {
  opacity: 0;
  transition: opacity 0.5s ease-out;
}

.fade-in-left.animate,
.fade-in-right.animate,
.fade-in-up.animate {
  opacity: 1;
}

/* Apply animation classes */
.img-intro {
  width: 50% !important;
  height: 500px;
  overflow: hidden;
}

.img-intro.fade-in-right {
  transition-delay: 0.4s;
}

.features-title {
  text-align: center;
  font-size: 2.25rem;
  font-weight: bold;
  color: var(--primary-color);
  margin-bottom: 30px;
}

.features-item-img {
  width: 50%;
  height: 50vh;
  overflow: hidden;
}

.features-item-img.fade-in-left {
  transition-delay: 0.2s;
}

.features-content {
  width: 50%;
}

.features-content.fade-in-right {
  transition-delay: 0.4s;
}

.feature {
  font-size: 1.25rem;
}

/* Section Vision */
.vision {
  padding: 80px 0;
  background-color: var(--secondary-color);
  opacity: 0;
  animation: fadeIn 1s ease forwards;
  animation-delay: 0.8s;
}

.vision-wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
  display: flex;
  gap: 30px;
  align-items: center;
}

.vision-img {
  flex: 1;
  height: 500px;
  overflow: hidden;
  border-radius: 10px;
  opacity: 0;
  animation: fadeIn 1s ease forwards;
  animation-delay: 1s;
}

.vision-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.vision-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  animation: fadeIn 1s ease forwards;
  animation-delay: 1.2s;
}

.vision-title {
  font-size: 60px;
  color: var(--primary-color);
  font-weight: bold;
  margin-bottom: 30px;
}

.vision-content {
  font-size: 24px;
  line-height: 1.8;
  color: var(--primary-color);
}

/* Partner Logos Section */
/* .partners {
  padding: 80px 0;
  background-color: var(--secondary-color);
}

.partners-wrapper {
  max-width: 1200px;
  margin: 0 auto;
}

.partners-title {
  text-align: center;
  margin-bottom: 50px;
}

.partners-title h1 {
  font-size: 3rem;
  color: var(--primary-color);
  font-weight: bold;
}

.partners-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
  align-items: stretch;
}

.partner-item {
  flex: 0 0 calc(33.333% - 20px);
  max-width: calc(33.333% - 20px);
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 15px;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  margin-bottom: 20px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.6s ease forwards;
} */

/* .partner-item:nth-child(1) {
    animation-delay: 0.1s;
  }
  
  .partner-item:nth-child(2) {
    animation-delay: 0.2s;
  }
  
  .partner-item:nth-child(3) {
    animation-delay: 0.3s;
  }
  
  .partner-item:nth-child(4) {
    animation-delay: 0.4s;
  }
  
  .partner-item:nth-child(5) {
    animation-delay: 0.5s;
  }
  
  .partner-item:nth-child(6) {
    animation-delay: 0.6s;
  } */

/* @keyframes fadeIn {
  from {
    opacity: 0;
    /* transform: translateY(20px); 
  }

  to {
    opacity: 1;
    /* transform: translateY(0); 
  }
} */

/* .partner-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.partner-item img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 10px;
}

/* Page Load Animation */
/* .page-content {
  opacity: 0;
  animation: fadeIn 1s ease forwards;
} 
 @keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}*/

/* Staggered Animation for Sections */
.hero-banner {
  opacity: 0;
  animation: fadeIn 0.8s ease forwards;
  animation-delay: 0.2s;
}

.introduction {
  opacity: 0;
  animation: fadeIn 0.8s ease forwards;
  animation-delay: 0.4s;
}

.features {
  opacity: 0;
  animation: fadeIn 0.8s ease forwards;
  animation-delay: 0.6s;
}

.partners {
  opacity: 0;
  animation: fadeIn 0.8s ease forwards;
  animation-delay: 0.8s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

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

/* Section Padding */
.contact,
.cooperation,
.introduction,
.hero-banner,
.features,
.partners {
  padding-top: 80px;
  /* Giảm padding-top từ 120px xuống 80px */
}