body{
    margin:0;
    font-family:Poppins,sans-serif;
    background:#eef1f4;
}

/* ================= SLIDER ================= */
.slider{
    position:relative;
    height:520px;
    overflow:hidden;
}
.slide{
    position:absolute;
    inset:0;
    opacity:0;
    transition:.6s;
}
.slide.active{opacity:1;}

.slide img{
    width:100%;
    height:100%;
    object-fit:cover;
}

.slide::after{
    content:"";
    position:absolute;
    inset:0;
    background:rgba(0,0,0,.55);
}

/* TEXT */
.slide-content{
    position:absolute;
    top:50%;
    left:50%;
    transform:translate(-50%,-50%);
    color:#fff;
    text-align:center;
    z-index:2;
    max-width:800px;
}

.slide-content h1{
    font-size:40px;
    margin-bottom:15px;
}

.slide-content p{
    font-size:16px;
    margin-bottom:25px;
}

/* BUTON (SADECE SLIDER İÇİN) */
.slide-content .btn{
    background:#16a085;
    color:#fff;
    padding:12px 28px;
    border-radius:30px;
    text-decoration:none;
    font-weight:600;
}

/* ARROWS */
.arrow{
    position:absolute;
    top:50%;
    transform:translateY(-50%);
    background:rgba(0,0,0,.4);
    color:#fff;
    border:none;
    width:40px;
    height:40px;
    border-radius:50%;
    cursor:pointer;
}
.prev{left:15px;}
.next{right:15px;}

/* ================= GRID ================= */
.section{
    width:100%;
    max-width:1700px;
    margin:60px auto;
    padding:0 30px;
}

.grid{
    display:grid;
    grid-template-columns:repeat(6,1fr);
    gap:16px;
}

/* CARD */
.card{
    background:#fff;
    border-radius:14px;
    overflow:hidden;
    box-shadow:0 10px 25px rgba(0,0,0,.1);
    transition:.3s;
    text-decoration:none;
    color:#000;
}

.card:hover{
    transform:translateY(-8px);
    box-shadow:0 20px 40px rgba(0,0,0,.2);
}

/* TEK VE NET IMAGE TANIMI */
.card img{
    width:100%;
    height:200px;
    object-fit:cover;
}

/* CONTENT */
.card-content{
    padding:18px;
}

.card h3{
    margin:0 0 10px;
    font-size:18px;
}

.card p{
    font-size:14px;
    color:#555;
}

/* ================= WHY ================= */
.two-col{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:40px;
    align-items:center;
}

.two-col img{
    width:100%;
    border-radius:14px;
}

/* ================= CONTACT ================= */
.contact{
    background:#fff;
    padding:40px;
    border-radius:14px;
    box-shadow:0 10px 25px rgba(0,0,0,.08);
}

input, textarea{
    width:100%;
    padding:12px;
    margin-bottom:12px;
    border:1px solid #ddd;
    border-radius:6px;
}

/* ================= RESPONSIVE ================= */
@media(max-width:1200px){
    .grid{
        grid-template-columns:repeat(3,1fr);
    }
}

@media(max-width:900px){
    .grid{
        grid-template-columns:1fr 1fr;
    }
    .two-col{
        grid-template-columns:1fr;
    }
}

@media(max-width:600px){
    .grid{
        grid-template-columns:1fr;
    }
    .slide-content h1{
        font-size:26px;
    }
}