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

body{
    background:#f5f9ff;
    color:#1d2b3a;
}

/* HEADER */
header{
    display:flex;
    align-items:center;
    padding:20px 60px;
    background:#fff;
    box-shadow:0 2px 10px rgba(0,0,0,0.05);
}

.logo{
    font-size:20px;
    font-weight:bold;
    color:#1f6feb;
}

nav{
    display:flex;
    gap:20px;
    margin-left:auto;
    align-items:center;
}

nav a{
    text-decoration:none;
    color:#2c3e50;
    font-size:14px;
}

.btn-quote{
    background:#1f6feb;
    color:#fff;
    padding:10px 16px;
    border-radius:8px;
}

/* HERO */
.hero{
    padding:80px 60px;
    background:linear-gradient(135deg,#eaf3ff,#ffffff);
}

.hero h1{
    font-size:42px;
    margin-bottom:10px;
    color:#0f2d4a;
}

.hero p{
    max-width:700px;
    color:#5a6b7b;
}

/* SECTION */
.section{
    padding:60px;
}

.section h2{
    text-align:center;
    margin-bottom:40px;
    font-size:28px;
    color:#0f2d4a;
}

/* GRID (İLK TASARIM – TEMİZ 3'LÜ) */
.cards{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:25px;
}

.card{
    background:#fff;
    padding:25px;
    border-radius:12px;
    box-shadow:0 5px 15px rgba(0,0,0,0.05);
    transition:0.3s;
}

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

.card h3{
    color:#1f6feb;
    margin-bottom:10px;
}

/* RESPONSIVE */
@media(max-width:992px){
    .cards{
        grid-template-columns:repeat(2, 1fr);
    }
}

@media(max-width:600px){
    .cards{
        grid-template-columns:1fr;
    }

    header{
        flex-direction:column;
        gap:10px;
        padding:20px;
    }

    nav{
        margin-left:0;
        flex-wrap:wrap;
        justify-content:center;
    }

    .hero{
        padding:50px 20px;
        text-align:center;
    }

    .section{
        padding:40px 20px;
    }
}
.footer{
    background:#0f2d4a;
    color:#fff;
    margin-top:50px;
}

/* container layout */
.footer-container{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:40px;
    padding:50px 60px;
}

/* columns */
.footer-col h3{
    color:#1f6feb;
    margin-bottom:10px;
}

.footer-col h4{
    margin-bottom:10px;
    color:#ffffff;
}

.footer-col p{
    font-size:14px;
    color:#cbd6e2;
    line-height:1.6;
}

/* links */
.footer-col a{
    display:block;
    text-decoration:none;
    color:#cbd6e2;
    font-size:14px;
    margin-bottom:6px;
    transition:0.3s;
}

.footer-col a:hover{
    color:#1f6feb;
}

/* bottom bar */
.footer-bottom{
    text-align:center;
    padding:15px;
    border-top:1px solid rgba(255,255,255,0.1);
    font-size:13px;
    color:#a9b7c6;
}

/* responsive */
@media(max-width:900px){
    .footer-container{
        grid-template-columns:1fr;
        text-align:center;
    }
}