/* ==========================
   RESET
========================== */

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

html{
    scroll-behavior:smooth;
}

body{

    font-family:Arial, Helvetica, sans-serif;

    background:#080A1A;

    color:#FFFFFF;

    line-height:1.7;
}

/* ==========================
   CONTAINER
========================== */

.container{

    width:90%;

    max-width:1200px;

    margin:auto;
}

/* ==========================
   HEADER
========================== */

.header{

    background:#11152B;

    border-bottom:1px solid #20284A;

    position:sticky;

    top:0;

    z-index:1000;
}

.header .container{

    display:flex;

    justify-content:space-between;

    align-items:center;

    padding:20px 0;
}

.logo{

    font-size:28px;

    font-weight:bold;

    color:#4F8CFF;
}

nav{

    display:flex;

    gap:25px;
}

nav a{

    color:#FFFFFF;

    text-decoration:none;

    transition:.3s;
}

nav a:hover{

    color:#4F8CFF;
}

/* ==========================
   HERO
========================== */

.hero{

    padding:120px 0;

    text-align:center;
}

.hero h1{

    font-size:55px;

    margin-bottom:10px;
}

.hero h2{

    color:#4F8CFF;

    margin-bottom:30px;

    font-size:42px;
}

.hero p{

    color:#C9D2F1;

    max-width:750px;

    margin:auto;

    font-size:19px;
}

.button{

    display:inline-block;

    margin-top:40px;

    background:#4F8CFF;

    color:white;

    padding:16px 35px;

    border-radius:12px;

    text-decoration:none;

    font-weight:bold;

    transition:.3s;
}

.button:hover{

    background:#6CA2FF;
}

/* ==========================
   SECTIONS
========================== */

section{

    padding:80px 0;
}

section h2{

    font-size:36px;

    margin-bottom:35px;

    text-align:center;
}

/* ==========================
   FEATURES
========================== */

.cards{

    display:grid;

    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));

    gap:25px;
}

.card{

    background:#141A2F;

    border:1px solid #232D54;

    padding:30px;

    border-radius:18px;

    transition:.3s;
}

.card:hover{

    transform:translateY(-6px);

    border-color:#4F8CFF;
}

.card h3{

    margin-bottom:18px;

    color:#4F8CFF;
}

.card p{

    color:#D0D7EF;
}

/* ==========================
   ABOUT
========================== */

.about p{

    max-width:850px;

    margin:auto;

    margin-bottom:20px;

    color:#D2D8F0;

    text-align:center;
}

/* ==========================
   CONTACT
========================== */

.contact{

    text-align:center;
}

.contact h3{

    margin:18px 0;
}

.contact a{

    color:#4F8CFF;

    text-decoration:none;
}

.contact a:hover{

    text-decoration:underline;
}

/* ==========================
   CONTENT PAGE
========================== */

.content{

    padding:80px 0;
}

.content h1{

    font-size:42px;

    margin-bottom:30px;
}

.content h2{

    margin-top:45px;

    margin-bottom:15px;

    color:#4F8CFF;
}

.content p{

    color:#D3D9F0;

    margin-bottom:18px;
}

.content ul{

    padding-left:22px;

    margin-bottom:25px;
}

.content li{

    margin-bottom:12px;

    color:#D3D9F0;
}

/* ==========================
   FOOTER
========================== */

footer{

    border-top:1px solid #20284A;

    margin-top:60px;

    text-align:center;

    padding:35px 0;

    color:#AEB8D8;
}

/* ==========================
   RESPONSIVE
========================== */

@media(max-width:900px){

.header .container{

    flex-direction:column;

    gap:18px;
}

nav{

    flex-wrap:wrap;

    justify-content:center;
}

.hero h1{

    font-size:40px;
}

.hero h2{

    font-size:30px;
}

section h2{

    font-size:28px;
}

}

@media(max-width:600px){

.logo{

    font-size:24px;
}

.hero{

    padding:80px 0;
}

.hero h1{

    font-size:32px;
}

.hero h2{

    font-size:24px;
}

.hero p{

    font-size:16px;
}

.button{

    width:100%;

    text-align:center;
}

.cards{

    grid-template-columns:1fr;
}

}