*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Segoe UI', sans-serif;
}

body{
    background:#f4f6f9;
    color:#333;
    line-height:1.7;
    overflow-x:hidden;
}

.container{
    width:90%;
    max-width:1000px;
    margin:auto;
}

/* HEADER */
.header{
    background:#0d47a1;
    padding:15px 0;
    position:sticky;
    top:0;
    z-index:1000;
}

.header .container{
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.logo{
    display:flex;
    align-items:center;
    gap:10px;
    color:#fff;
    text-decoration:none;
}

.logo img{
    height:40px;
    transition:transform .3s;
}

.logo:hover img{
    transform:scale(1.1);
}

.header nav a{
    color:#fff;
    margin-left:20px;
    text-decoration:none;
    font-weight:500;
}

/* HERO BANNER */
.hero{
    min-height:70vh;
    background-image:
        linear-gradient(rgba(13,71,161,.7), rgba(13,71,161,.9)),
        url("/image/web-banner.jpg"); /* 👈 banner image */
    background-size:cover;
    background-position:center;
    background-repeat:no-repeat;

    display:flex;
    align-items:center;
    justify-content:center;
    text-align:center;
    color:#fff;
    padding:80px 20px;
}

.hero h1{
    font-size:36px;
    margin-bottom:12px;
    text-shadow:0 4px 15px rgba(0,0,0,.4);
}

.hero p{
    font-size:18px;
    opacity:.95;
}

/* BLOG CONTENT */
.blog-content{
    background:#fff;
    padding:40px;
    margin:-40px auto 40px;
    border-radius:12px;
    box-shadow:0 10px 30px rgba(0,0,0,.1);
}

.blog-image{
    width:100%;
    border-radius:8px;
    margin-bottom:25px;
}

.blog-content h2{
    margin-top:25px;
    color:#0d47a1;
}

.dev-types{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:20px;
    margin-top:15px;
}

.type-card{
    background:#f1f5ff;
    padding:20px;
    border-radius:10px;
}

/* FOOTER */
.footer{
    background:#0b1c2d;
    color:#ccc;
    padding:60px 20px 20px;
}

.footer-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
    gap:40px;
}

.footer-brand img{
    height:45px;
    filter:brightness(0) invert(1);
    margin-bottom:15px;
}

.footer h4{
    color:#fff;
    margin-bottom:15px;
}

.footer a{
    color:#ccc;
    text-decoration:none;
}

.copy{
    text-align:center;
    margin-top:30px;
    border-top:1px solid rgba(255,255,255,.1);
    padding-top:15px;
    font-size:14px;
}

/* REVEAL ANIMATION */
.reveal{
    opacity:0;
    transform:translateY(30px);
    transition:.8s ease;
}

.reveal.active{
    opacity:1;
    transform:none;
}

/* MOBILE */
@media(max-width:768px){
    .hero h1{font-size:26px;}
    .header nav{display:none;}
    .footer-grid{text-align:center;}
}