*{
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.6;
  background-color: #f8f9fa;
  color: #333;
}


.hero {
  text-align: center;
  padding: 100px 20px;
  background: linear-gradient(120deg, #4bb7ae);
  color: white;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.2rem;
}


.about {
  max-width: 800px;
  margin: 50px auto;
  padding: 0 20px;
  text-align: center;
}

.ac {
  display: flex;
  align-items: center;
  gap: 40px;
}

.at {
  flex: 1;
}

.ai {
  flex: 1;
}

.ai img {
  width: 100%;
  max-width: 400px;
  border-radius: 12px;
}

.studyjourney {
  max-width: 800px;
  margin: 50px auto;
  padding: 0 20px;
  text-align: center;
}

.sc {
  display: flex;
  align-items: center;
  gap: 40px;
}

.st {
  flex: 1;
}

.si {
  flex: 1;
}

.si img {
  width: 100%;
  max-width: 400px;
  border-radius: 12px;
}

.portfolio {
  max-width: 1200px;
  margin: 50px auto;
  padding: 0 20px;
}

.portfolio h2 {
  text-align: center;
  margin-bottom: 30px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}


.card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s, box-shadow 0.3s, opacity 0.5s;
  opacity: 0;
  transform: translateY(20px);
  display: flex;
  flex-direction: column;
}

.card.visible {
  opacity: 1;
  transform: translateY(0);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.card img {
  width: 100%;
  display: block;
}

.card h3 {
  padding: 15px;
}

.card p {
  padding: 0 15px 15px 15px;
  flex-grow: 1;
}

.card a {
  display: block;
  padding: 10px 15px;
  margin-bottom: 15px;
  background-color: #4f46e5;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  text-align: center;
}

.card a:hover {
  background: #4f46e5;;
}

.bt { 
  max-width: 800px;
  margin: 50px auto;
  padding: 0 20px;
  text-align: center;
}

.btn {
  display: inline-block;
  padding: 10px 16px;
  background: #4f46e5;
  color: white;
  text-decoration: none;
  border-radius: 8px;
}
.btn:hover {
  background: #4f46e5;
}

.certificates {
  padding: 60px 20px;
  background-color: #f9fafb;
  text-align: center;
}

.certificates h2 {
  font-size: 2rem;
  margin-bottom: 40px;
  font-weight: 600;
}


.certificate-card {
  max-width: 400px;
  margin: 0 auto;
  padding: 24px;
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}


.certificate-card h3 {
  margin-bottom: 20px;
  font-size: 1.2rem;
}

.certificate-card .btn {
  display: inline-block;
  padding: 10px 18px;
  background-color: #4f46e5;
  color: #ffffff;
  text-decoration: none;
  border-radius: 10px;
  font-weight: 500;
  transition: background 0.3s ease;
}

.certificate-card .btn:hover {
  background-color: #4f46e5;
}

.contact {
  text-align: center;
  padding: 50px 20px;
  background-color: #e9ecef;
}

.contact a {
  color: #4f46e5;
  text-decoration: none;
}

.contact a:hover {
  text-decoration: underline;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
}

.navbar {
  background-color: #182848;
  padding: 12px 20px;
}

.nav-links {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 30px;
  align-items: center;
}

.nav-links li {
  position: relative;
}

.nav-links a,
.dropbtn {
  color: white;
  text-decoration: none;
  padding: 8px 12px;
  display: block;
  border-radius: 5px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.nav-links a:hover,
.dropbtn:hover {
  background-color: #4f46e5;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #182848;
  min-width: 150px;
  border-radius: 6px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
  z-index: 100;
}

.dropdown-content a {
  padding: 10px;
  color: white;
}

.dropdown-content a:hover {
  background-color: #4f46e5;
}

.dropdown.show .dropdown-content {
  display: block;
}

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 768px) {

  .nav-links {
    flex-direction: column;
    gap: 10px;
  }

  .ac,
  .sc {
    flex-direction: column;
  }

  .ai img,
  .si img {
    max-width: 100%;
  }

  .hero {
    padding: 60px 20px;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

.logos {
  display: flex;
  justify-content: center; 
  align-items: center;     
  gap: 20px; 
  background-color: #e9ecef;              
}

#logo_image1 {
  border-radius: 15%;
  width: 150px;
}

#logo_image2 {
  border-radius: 15%;
  width: 200px;
}

#logo_image3 {
  border-radius: 15%;
  width: 250px;
}