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

html{
    scroll-behavior:smooth;
}

body{
    font-family:"Segoe UI", Arial, sans-serif;
    background:#ffffff;
    color:#333333;
    line-height:1.7;
}

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

/* HEADER */

header{
    background:#0D2B52;
    position:sticky;
    top:0;
    z-index:1000;
    box-shadow:0 2px 10px rgba(0,0,0,0.15);
}

.navbar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:22px 0;
}

.logo{
    color:white;
    font-size:1.4rem;
    font-weight:700;
    letter-spacing:2px;
}

.nav-links{
    display:flex;
    list-style:none;
    gap:30px;
}

.nav-links a{
    color:white;
    text-decoration:none;
    transition:0.3s;
}

.nav-links a:hover{
    opacity:0.75;
}

/* HERO */

.hero{
    background:linear-gradient(
        rgba(13,43,82,0.90),
        rgba(13,43,82,0.90)
    );
    color:white;
    text-align:center;
    padding:140px 20px;
}

.hero h1{
    font-size:3.5rem;
    margin-bottom:25px;
    line-height:1.2;
}

.hero p{
    max-width:800px;
    margin:auto;
    font-size:1.1rem;
    opacity:0.95;
}

/* SECTIONS */

.section{
    padding:90px 0;
}

.section-title{
    text-align:center;
    color:#0D2B52;
    font-size:2rem;
    margin-bottom:50px;
}

/* CARDS */

.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
    gap:30px;
}

.card{
    background:white;
    padding:30px;
    border-radius:12px;
    box-shadow:0 5px 20px rgba(0,0,0,0.08);
    transition:0.3s;
}

.card:hover{
    transform:translateY(-5px);
}

.card h3{
    color:#0D2B52;
    margin-bottom:15px;
}

/* PROJECT PLACEHOLDERS */

.project-placeholder{
    border:3px dashed #0D2B52;
    background:#f8f9fc;
    padding:40px;
    text-align:center;
    font-weight:700;
    color:#0D2B52;
    border-radius:12px;
    margin-bottom:15px;
    min-height:160px;

    display:flex;
    justify-content:center;
    align-items:center;
}

/* CTA */

.cta-section{
    background:#0D2B52;
    color:white;
    text-align:center;
    padding:90px 20px;
}

.cta-section h2{
    margin-bottom:20px;
    font-size:2rem;
}

/* FOOTER */

footer{
    background:#081b35;
    color:white;
    text-align:center;
    padding:40px 20px;
}

footer p{
    margin-bottom:10px;
}

/* MOBILE */

@media(max-width:768px){

    .navbar{
        flex-direction:column;
        gap:15px;
    }

    .nav-links{
        flex-wrap:wrap;
        justify-content:center;
        gap:15px;
    }

    .hero h1{
        font-size:2.3rem;
    }

}