@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

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

html{
  scroll-behavior:smooth;
}

body{
  font-family:'Poppins', sans-serif;
  color:#333;
  background:#fff;
  overflow-x:hidden;
}

a{
  text-decoration:none;
}

.topbar{
  background:#0b2c4d;
  color:#fff;
  padding:10px 7%;
  display:flex;
  justify-content:space-between;
  font-size:14px;
}

.topbar i{
  margin-right:7px;
  color:#f4b400;
}

.header{
  background:#fff;
  position:sticky;
  top:0;
  z-index:1000;
  box-shadow:0 5px 20px rgba(0,0,0,0.08);
}

.navbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 7%;
  position:relative;
}

.brand img{
  width:135px;
  display:block;
}

.menu-toggle{
  display:none;
  font-size:28px;
  color:#0b2c4d;
  cursor:pointer;
}

/* NAVBAR */
.navbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  background:#f7f9fc;
  padding:15px 25px;
}

.brand{
  display:flex;
  align-items:center;
  text-decoration:none;
}

.brand img{
  width:140px;
  height:auto;
  object-fit:contain;
}

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

.navbar a,
.nav a{
  color:#0c0c0c;
  text-decoration:none;
  font-size:18px;
  font-weight:600;
  transition:.3s;
}

.navbar a:hover,
.nav a:hover{
  color:#f7c948;
}

/* DROPDOWN */
.dropdown{
  position:relative;
}

.dropdown-content{
  position:absolute;
  top:100%;
  left:0;
  background:#0b2c4d;
  min-width:220px;
  border-radius:10px;
  overflow:hidden;
  box-shadow:0 8px 20px rgba(0,0,0,0.2);
  z-index:1000;

  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:.2s ease;
}

.dropdown-content a{
  display:block;
  color:#fff;
  padding:12px 18px;
  font-size:16px;
}

.dropdown-content a:hover{
  background:#123f6b;
  color:#fff;
}

.dropdown:hover .dropdown-content{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

/* HERO */
.hero{
  min-height:330px;
 background:#06264d;
  color:white;
  text-align:center;
  padding:90px 8%;
}

.hero h2{
  font-size:52px;
  margin-bottom:15px;
}

.hero p{
  max-width:750px;
  margin:auto;
  font-size:18px;
  line-height:1.7;
}

.menu-btn{
  display:none;
  border:none;
  background:#06264d;
  color:#fff;
  font-size:24px;
  padding:8px 14px;
  border-radius:6px;
  cursor:pointer;
}

@media(max-width:768px){
  .menu-btn{
    display:block;
  }

  .nav{
    display:none;
    flex-direction:column;
    width:100%;
    text-align:center;
    gap:15px;
  }

  .nav.show{
    display:flex;
  }
}

/* CERTIFICATION SECTION */
.cert-section{
  padding:60px 7%;
}

.category{
  margin-bottom:60px;
}

.category h2{
  font-size:32px;
  color:#003366;
  margin-bottom:25px;
  position:relative;
}

.category h2::after{
  content:"";
  width:80px;
  height:4px;
  background:#f39c12;
  position:absolute;
  left:0;
  bottom:-8px;
  border-radius:10px;
}

.cert-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}

.cert-card{
  background:white;
  padding:25px 20px;
  min-height:190px;
  border-radius:18px;
  box-shadow:0 8px 25px rgba(0,0,0,0.08);
  border-top:5px solid #f39c12;
  transition:.3s ease;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}

.cert-card:hover{
  transform:translateY(-8px);
  box-shadow:0 14px 35px rgba(0,0,0,0.15);
}

.cert-card h3{
  color:#003366;
  font-size:19px;
  line-height:1.4;
  margin-bottom:15px;
}

.cert-card a{
  color:#f39c12;
  text-decoration:none;
  font-weight:600;
  margin-bottom:15px;
}

.cert-card a:hover{
  color:#003366;
}

.cert-card button{
  border:none;
  background:linear-gradient(135deg,#003366,#0059b3);
  color:white;
  padding:11px 18px;
  border-radius:25px;
  font-weight:600;
  cursor:pointer;
  transition:.3s;
}

.cert-card button:hover{
  background:linear-gradient(135deg,#f39c12,#ffb84d);
  color:#003366;
}

/* FOOTER */
.footer{
  background:linear-gradient(135deg,#07294d,#021c35);
  color:white;
  padding:70px 8% 25px;
  margin-top:80px;
}

.footer-container{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:40px;
}

.footer-box h3{
  color:#ffb703;
  font-size:24px;
  margin-bottom:25px;
  position:relative;
}

.footer-box h3::after{
  content:"";
  width:60px;
  height:3px;
  background:#ffb703;
  position:absolute;
  left:0;
  bottom:-8px;
  border-radius:10px;
}

.footer-box p{
  line-height:2;
  color:#d6d6d6;
  font-size:16px;
}

.footer-box a{
  display:block;
  color:#d6d6d6;
  text-decoration:none;
  margin-bottom:14px;
  transition:.3s;
  font-size:16px;
}

.footer-box a:hover{
  color:#ffb703;
  transform:translateX(6px);
}

.footer-box i{
  margin-right:10px;
  font-size:18px;
}

.footer-bottom{
  text-align:center;
  border-top:1px solid rgba(255,255,255,0.2);
  margin-top:50px;
  padding-top:20px;
  color:#cfcfcf;
  font-size:15px;
}

/* MOBILE RESPONSIVE */
@media(max-width:768px){

  .topbar{
    flex-direction:column;
    text-align:center;
    padding:10px 5%;
    gap:6px;
    font-size:13px;
  }

  .navbar{
    padding:12px 5%;
    flex-direction:row;
    justify-content:space-between;
    align-items:center;
    gap:0;
  }

  .brand img{
    width:105px;
  }

  .menu-toggle{
    display:block;
    margin-left:auto;
    font-size:28px;
    color:#0b2c4d;
    cursor:pointer;
  }

  .nav{
    display:none;
    flex-direction:column;
    position:absolute;
    top:100%;
    left:0;
    width:100%;
    background:#0b2c4d;
    padding:12px 0;
    text-align:center;
    gap:0;
    z-index:9999;
  }

  .nav.active{
    display:flex;
  }

  .nav a{
    width:100%;
    color:#fff;
    padding:12px 0;
    font-size:16px;
  }

  .dropdown{
    width:100%;
    text-align:center;
  }

  .dropdown > a{
    display:block;
    width:100%;
    color:#fff;
    padding:12px 0;
    font-size:16px;
    cursor:pointer;
  }

  .dropdown-content{
    position:static;
    width:100%;
    min-width:100%;
    background:#123f6b;
    display:none;
    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border-radius:0;
  }

  .dropdown:hover .dropdown-content{
    opacity:1;
    visibility:visible;
    transform:none;
    display:none;
  }

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

  .dropdown-content a{
    display:block;
    color:#fff;
    padding:12px;
    font-size:15px;
    background:#123f6b;
    border-bottom:1px solid rgba(255,255,255,0.1);
  }

  .hero{
    min-height:auto;
    padding:65px 6%;
    text-align:center;
  }

  .hero h2{
    font-size:31px;
  }

  .hero p{
    font-size:15px;
  }

  .cert-section{
    padding:45px 6%;
  }

  .category{
    margin-bottom:45px;
  }

  .category h2{
    font-size:25px;
    line-height:1.3;
    text-align:left;
  }

  .cert-grid{
    grid-template-columns:1fr;
    gap:20px;
  }

  .cert-card{
    min-height:auto;
    padding:24px 18px;
    text-align:center;
  }

  .cert-card h3{
    font-size:18px;
  }

  .cert-card a,
  .cert-card button,
  .know-btn,
  .apply-btn{
    width:100%;
    display:block;
    text-align:center;
    margin-top:10px;
  }

  .footer{
    padding:55px 6% 22px;
    margin-top:50px;
  }

  .footer-container{
    grid-template-columns:1fr;
    text-align:center;
    gap:30px;
  }

  .footer-box h3::after{
    left:50%;
    transform:translateX(-50%);
  }

  .footer-box a:hover{
    transform:none;
  }
}