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

body{
font-family:'Poppins',sans-serif;
color:#1f2937;
line-height:1.6;
}

.container{
width:90%;
max-width:1200px;
margin:auto;
}

header{
position:fixed;
width:100%;
background:#fff;
box-shadow:0 2px 10px rgba(0,0,0,.08);
z-index:100;
}

nav{
display:flex;
justify-content:space-between;
align-items:center;
padding:20px 0;
}

.logo{
font-size:1.2rem;
font-weight:700;
}

.hero{
background:linear-gradient(135deg,#0f172a,#2563eb);
color:white;
padding:180px 0 120px;
text-align:center;
}

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

.hero p{
max-width:700px;
margin:auto;
margin-bottom:30px;
}

.hero-list{
list-style:none;
margin-bottom:30px;
}

.hero-list li{
margin:10px 0;
}

.btn-primary,
.btn-menu{
display:inline-block;
padding:15px 30px;
background:#f59e0b;
color:white;
text-decoration:none;
border-radius:10px;
font-weight:600;
transition:.3s;
}

.btn-primary:hover,
.btn-menu:hover{
transform:translateY(-3px);
}

section{
padding:80px 0;
}

h2{
text-align:center;
margin-bottom:40px;
font-size:2rem;
}

.grid{
display:grid;
grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
gap:25px;
}

.card{
padding:25px;
border-radius:15px;
background:#f8fafc;
box-shadow:0 5px 20px rgba(0,0,0,.08);
}

.timeline{
display:grid;
gap:15px;
}

.timeline div{
padding:18px;
background:#eef2ff;
border-left:5px solid #2563eb;
border-radius:8px;
}

.instructor,
.cta{
text-align:center;
}

.cta{
background:#0f172a;
color:white;
}

footer{
background:#111827;
color:white;
padding:30px;
text-align:center;
}