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

html,body{
    width:100%;
    overflow-x:hidden;
}

body{
    background:#0f0f0f;
    color:white;
    font-family:Arial,sans-serif;
}

/* HERO */

.hero{
    padding:80px 20px;
    text-align:center;
    background:linear-gradient(180deg,#1b1b1b,#0f0f0f);
}

.hero h1{
    font-size:42px;
    line-height:1.1;
    max-width:320px;
    margin:0 auto 20px;
    word-break:break-word;
}

.hero p{
    font-size:20px;
    color:#bdbdbd;
    max-width:340px;
    margin:0 auto 30px;
    line-height:1.4;
}

/* BUTTON */

.btn{
    display:block;
    width:100%;
    max-width:320px;
    margin:0 auto;
    padding:20px;
    background:#25D366;
    color:white;
    text-decoration:none;
    border-radius:20px;
    font-size:22px;
    font-weight:bold;
    transition:0.3s;
}

.btn:active{
    transform:scale(0.97);
}

/* SECTIONS */

.examples,
.benefits{
    padding:60px 20px;
}

.examples h2,
.benefits h2{
    font-size:52px;
    line-height:1.1;
    margin-bottom:40px;
    text-align:center;
    font-weight:900;
    text-shadow:0 0 25px rgba(0,255,200,0.35);
}

/* VIDEO */

.video-card{
    max-width:400px;
    margin:auto;
    background:#1c1c1c;
    padding:10px;
    border-radius:20px;
    overflow:hidden;
}

.video-card video{
    width:100%;
    border-radius:15px;
}

/* CARDS */

.cards{
    display:flex;
    flex-direction:column;
    gap:20px;
}

.card{
    display:block;
    background:#161616;
    color:white;
    text-decoration:none;
    padding:30px;
    border-radius:25px;
    font-size:22px;
    text-align:center;
    line-height:1.4;
    transition:0.3s;
}
.card{
    background:linear-gradient(180deg,#111,#1b1b1b);
    border:1px solid rgba(255,255,255,0.08);
    border-radius:28px;
    padding:40px 25px;
    margin-bottom:25px;
    box-shadow:
        0 10px 30px rgba(0,0,0,0.5),
        0 0 20px rgba(0,255,170,0.08);
    transition:0.3s;
    position:relative;
    overflow:hidden;
}
.card:hover{
    transform:translateY(-6px);
    box-shadow:
        0 15px 40px rgba(0,0,0,0.7),
        0 0 30px rgba(0,255,170,0.2);
}
.card:active{
    transform:scale(0.97);

    box-shadow:
        0 0 25px rgba(0,255,200,0.35),
        0 0 60px rgba(0,255,200,0.18);
}
.card::before{
    content:"";
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:3px;
    background:linear-gradient(90deg,#00ff88,#00c3ff);
}
/* FOOTER */

footer{
    padding:30px;
    text-align:center;
    color:#777;
}

/* MOBILE */

@media (max-width:480px){

.hero h1{
    font-size:30px;
}

.hero p{
    font-size:16px;
}

.examples h2,
.benefits h2{
    font-size:32px;
}
.btn{
    display:inline-block;
    margin-top:25px;
    padding:18px 34px;
    border-radius:16px;
    background:linear-gradient(135deg,#00ff88,#00c3ff);
    color:#000;
    text-decoration:none;
    font-size:20px;
    font-weight:bold;
    box-shadow:0 0 25px rgba(0,255,170,0.5);
    border:2px solid rgba(255,255,255,0.15);

letter-spacing:0.5px;

position:relative;

overflow:hidden;
    transition:0.3s;
}

.btn:hover{
    transform:translateY(-3px);
    box-shadow:0 0 35px rgba(0,255,170,0.8);
}

.btn:active{
    transform:scale(0.97);
}

.card{
    font-size:18px;
    padding:24px;
}

}