/* =========================
   RESET
========================= */
*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family: "Segoe UI", sans-serif;
}

body{
    background:#f4f6ff;
    color:#222;
    scroll-behavior:smooth;
}

/* =========================
   NAVBAR
========================= */
.navbar{
    position:fixed;
    top:0;
    width:100%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:15px 40px;
    background:rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
    box-shadow:0 5px 20px rgba(0,0,0,0.08);
    z-index:1000;
}

.logo{
    display:flex;
    align-items:center;
    gap:10px;
}

.logo img{
    width:35px;
}

nav a{
    margin:0 10px;
    text-decoration:none;
    color:#333;
    font-weight:500;
}

.btn-login{
    background:#6c5ce7;
    color:white;
    padding:8px 16px;
    border-radius:10px;
    text-decoration:none;
}

/* =========================
   HERO SECTION
========================= */
.hero{
    height:100vh;

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

    position:relative;

    /* BACKGROUND IMAGE */
    background:url("img/bg.jpg.jfif") no-repeat center center;
    background-size:cover;

    color:white;
}



/* content di atas overlay */
.hero-content{
    position:relative;
    z-index:2;
    max-width:700px;
}

.hero h1{
    font-size:70px;
    font-weight:800;
    letter-spacing:2px;

    /* SHADOW UTAMA */
    text-shadow: 0 4px 10px rgba(0,0,0,0.4);
}

.subtitle{
    font-size:18px;
    margin-top:10px;
    opacity:0.95;

    /* SHADOW HALUS */
    text-shadow: 0 3px 8px rgba(0,0,0,0.35);
}

.desc{
    margin-top:15px;
    font-size:14px;
    opacity:0.9;

    /* SHADOW LEBIH SOFT */
    text-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.subtitle{
    font-size:18px;
    margin-top:10px;
    opacity:0.9;
}

.desc{
    margin-top:15px;
    font-size:14px;
    opacity:0.85;
}

/* =========================
   BUTTON
========================= */
.btn-group{
    margin-top:25px;
}

.btn-primary{
    display:inline-block;
    padding:10px 18px;
    margin:5px;
    border-radius:12px;
    background:white;
    color:#000000;
    text-decoration:none;
    font-weight:bold;
    transition:0.3s;
}

.btn-primary:hover{
    transform:scale(1.05);
}

.btn-outline{
    display:inline-block;
    padding:10px 18px;
    margin:5px;
    border-radius:12px;
    border:2px solid white;
    color:white;
    text-decoration:none;
    transition:0.3s;
}

.btn-outline:hover{
    background:white;
    color:#6c5ce7;
}

/* =========================
   SECTION UMUM
========================= */
.section{
    padding:100px 20px;
    max-width:1100px;
    margin:auto;
    text-align:center;
}

.section h2{
    font-size:28px;
    margin-bottom:15px;
}

/* =========================
   CARD VISI MISI
========================= */
.cards{
    display:flex;
    justify-content:center;
    gap:20px;
    flex-wrap:wrap;
}

.card{
    background:white;
    padding:25px;
    width:300px;
    border-radius:18px;
    box-shadow:0 10px 25px rgba(0,0,0,0.08);
    transition:0.3s;
}

.card:hover{
    transform:translateY(-8px);
}

/* =========================
   FITUR GRID
========================= */
.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
    gap:20px;
}

.box{
    background:white;
    padding:30px;
    border-radius:18px;
    box-shadow:0 10px 20px rgba(0,0,0,0.06);
    transition:0.3s;
}

.box:hover{
    transform:scale(1.05);
}

/* =========================
   FOOTER
========================= */
footer{
    text-align:center;
    padding:30px;
    background:#1f1f1f;
    color:white;
    margin-top:50px;
}

/* =========================
   RESPONSIVE
========================= */
@media (max-width:768px){

    .hero h1{
        font-size:40px;
    }

    nav{
        display:none; /* simple mobile mode */
    }

    .navbar{
        padding:15px 20px;
    }

}