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

body{
    font-family:'Inter',sans-serif;
    background:#031b14;
    color:white;
}

/* HERO */

.hero{
    position:relative;
    min-height:100vh;
    padding:30px 20px 80px;
}

.hero-overlay{
    position:absolute;
    inset:0;
    background:linear-gradient(
        rgba(0,0,0,0.4),
        rgba(0,0,0,0.7)
    );
}

.hero-content{
    position:relative;
    z-index:2;
    max-width:1200px;
    margin:auto;
}

/* TOP BAR */

.top-bar{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:40px;
}

.top-left{
    display:flex;
    gap:20px;
    font-size:14px;
}

.help-btn{
    background:#22c55e;
    border:none;
    padding:12px 20px;
    border-radius:12px;
    color:white;
    cursor:pointer;
}

/* LOGO */

.logo-wrapper{
    text-align:center;
    margin-bottom:40px;
}

.logo{
    width:180px;
}

/* HERO TEXT */

.hero-text{
    text-align:center;
    max-width:800px;
    margin:auto;
}

.hero-text h1{
    font-size:70px;
    margin-bottom:20px;
}

.hero-text h2{
    font-size:30px;
    margin-bottom:20px;
    color:#22c55e;
}

.hero-text p{
    color:#d1d5db;
    line-height:1.8;
    font-size:18px;
}

/* SEARCH CARD */

.search-card{
    max-width:600px;
    margin:50px auto;
    background:rgba(255,255,255,0.05);
    padding:40px;
    border-radius:25px;
    text-align:center;
    backdrop-filter:blur(10px);
}

.meter-icon{
    font-size:60px;
    margin-bottom:20px;
}

.search-card h3{
    font-size:28px;
    margin-bottom:10px;
}

.search-card p{
    color:#d1d5db;
    margin-bottom:30px;
}

.search-card input{
    width:100%;
    padding:18px;
    border:none;
    border-radius:12px;
    margin-bottom:20px;
    font-size:16px;
}

.search-card button{
    width:100%;
    padding:18px;
    border:none;
    border-radius:12px;
    background:#22c55e;
    color:white;
    font-size:18px;
    cursor:pointer;
}

/* STEPS */

.steps{
    margin-top:100px;
}

.steps h2{
    text-align:center;
    margin-bottom:40px;
    font-size:40px;
}

.steps-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
}

.step-card{
    background:rgba(255,255,255,0.05);
    padding:30px;
    border-radius:20px;
    text-align:center;
}

.step-number{
    width:50px;
    height:50px;
    border-radius:50%;
    background:#22c55e;
    display:flex;
    align-items:center;
    justify-content:center;
    margin:auto auto 20px;
    font-weight:bold;
}

/* FEATURES */

.features{
    margin-top:100px;
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:20px;
}

.feature-box{
    background:rgba(255,255,255,0.05);
    padding:30px;
    border-radius:20px;
    text-align:center;
}

/* RESPONSIVE */

@media(max-width:900px){

    .hero-text h1{
        font-size:45px;
    }

    .hero-text h2{
        font-size:24px;
    }

    .steps-grid,
    .features{
        grid-template-columns:1fr;
    }

    .top-bar{
        flex-direction:column;
        gap:20px;
    }
}

/* ERROR */

.error-box{

    max-width:700px;

    margin:30px auto;

    background:#dc2626;

    padding:20px;

    border-radius:15px;

    text-align:center;
}


/* CUSTOMER CARD */

.customer-card{

    max-width:900px;

    margin:50px auto;

    background:rgba(255,255,255,0.05);

    padding:40px;

    border-radius:25px;
}

.customer-card h3{

    margin-bottom:30px;

    text-align:center;

    font-size:30px;
}

.customer-grid{

    display:grid;

    grid-template-columns:1fr 1fr;

    gap:20px;
}

.customer-grid div{

    background:rgba(255,255,255,0.05);

    padding:20px;

    border-radius:15px;
}

.customer-grid label{

    display:block;

    margin-bottom:10px;

    color:#22c55e;

    font-size:14px;
}

.customer-grid span{

    font-size:18px;
}

.topup-btn{

    width:100%;

    margin-top:30px;

    padding:18px;

    border:none;

    border-radius:15px;

    background:#22c55e;

    color:white;

    font-size:18px;

    cursor:pointer;
}