:root{
    --sky:#67BFE5;
    --green:#49EF47;
    --lime:#CDF795;
    --dark:#020500;
}

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

body{
    background:linear-gradient(
        135deg,
        var(--dark),
        #071312
    );

	overflow-x:hidden;
    color:white;
    font-family:Segoe UI,sans-serif;
}

#loader{
    position:fixed;
    inset:0;
    background:var(--dark);

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

    z-index:9999;

    transition:1s;
}

#loader h1{
    color:var(--green);
    letter-spacing:6px;

    animation:pulse 1.5s infinite;
}

@keyframes pulse{
    0%{opacity:.5}
    50%{opacity:1}
    100%{opacity:.5}
}

header{
    display:flex;
    justify-content:space-between;
    align-items:center;

    padding:25px 10%;
}

.logo{
    color:var(--green);
    font-weight:bold;
    font-size:1.4rem;
}

nav{
    display:flex;
    gap:25px;
}

nav a{
    color:white;
    text-decoration:none;
}

.hero{

    min-height:90vh;

    display:flex;
    align-items:center;
    justify-content:space-between;

    padding:0 10%;

    position:relative;
    z-index:2;
}

.hero-left{
    flex:1;
}

.hero-right{
    flex:1;

    display:flex;
    justify-content:center;
}

.hero-right img{

    max-height:700px;
    width:auto;

    animation:
    floating 5s ease-in-out infinite;
}

@keyframes floating{

    0%{
        transform:translateY(0);
    }

    50%{
        transform:translateY(-20px);
    }

    100%{
        transform:translateY(0);
    }
}

@media(max-width:900px){

    .hero{
        flex-direction:column;
        text-align:center;
        padding-top:120px;
    }

    .hero-right img{
        max-height:450px;
    }

}

#particles{

    position:fixed;

    inset:0;

    width:100%;
    height:100%;

    z-index:0;

    pointer-events:none;
}

header,
.hero,
.features,
.page,
footer{
    position:relative;
    z-index:2;
}

.hero-content{
    max-width:800px;
}

.tag{
    background:rgba(255,255,255,.1);

    padding:8px 18px;

    border-radius:50px;
}

.hero h1{
    font-size:5rem;

    margin-top:20px;

    background:linear-gradient(
        90deg,
        var(--sky),
        var(--green)
    );

    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.hero p{
    margin-top:20px;
    line-height:1.7;
    opacity:.85;
}

.buttons{
    margin-top:35px;

    display:flex;
    gap:15px;
    justify-content:center;
}

.btn-primary,
.btn-secondary{

    padding:15px 25px;

    border-radius:12px;

    text-decoration:none;

    transition:.3s;
}

.btn-primary{
    background:var(--green);
    color:black;
}

.btn-secondary{
    border:1px solid var(--sky);
    color:white;
}

.btn-primary:hover,
.btn-secondary:hover{
    transform:translateY(-4px);
}

.features{
    display:grid;

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

    gap:25px;

    padding:60px 10%;
}

.card,
.content-card{

    background:rgba(255,255,255,.05);

    backdrop-filter:blur(10px);

    border:1px solid rgba(255,255,255,.08);

    border-radius:20px;

    padding:30px;
}

.page{
    padding:80px 10%;
}

.page h1{
    margin-bottom:30px;
}

.content-card{
    line-height:1.8;
}

footer{
    text-align:center;
    padding:40px;
    opacity:.6;
}

.content-card ul{

    list-style:none;

    margin-top:15px;
}

.content-card li{

    position:relative;

    padding-left:28px;

    margin-bottom:12px;
}

.content-card li::before{

    content:"";

    width:10px;
    height:10px;

    border-radius:50%;

    background:#49EF47;

    position:absolute;

    left:0;
    top:9px;

    box-shadow:
    0 0 10px #49EF47;
}

.logo img{

    height:50px;
    width:auto;

    display:block;
}

header{

    display:flex;
    justify-content:space-between;
    align-items:center;

    gap:20px;

    padding:20px 8%;
}

.hero-logo{

    margin:20px 0;
}

.hero-logo img{

    max-width:100%;
    width:600px;

    height:auto;

    display:block;
}

.hero-left{
    flex:1.1;
}

.hero-right{
    flex:0.9;
}

.voicebank-section{

    display:flex;
    align-items:center;
    justify-content:space-between;

    gap:60px;

    min-height:80vh;

    padding:80px 10%;
}

.voicebank-info{
    flex:1;
}

.voicebank-cover{
    flex:1;

    display:flex;
    justify-content:center;
}

.voicebank-cover img{

    max-width:420px;

    width:100%;

    border-radius:20px;

    box-shadow:
    0 0 30px rgba(73,239,71,.25);
}

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

    header{

        flex-direction:column;
        gap:15px;

        padding:20px;
    }

    nav{

        flex-wrap:wrap;

        justify-content:center;

        gap:15px;
    }

    .hero{

        flex-direction:column-reverse;

        text-align:center;

        padding:
        120px 20px
        60px;
    }

    .hero-left{

        width:100%;
    }

    .hero-right{

        width:100%;
    }

    .hero-right img{

        max-width:85vw;

        max-height:400px;
    }

    .hero-logo img{

        width:100%;
        max-width:450px;

        margin:auto;
    }

    .hero p{

        font-size:.95rem;
    }

    .buttons{

        flex-direction:column;

        align-items:center;
    }

    .btn-primary,
    .btn-secondary{

        width:100%;
        max-width:280px;
    }

    .features{

        grid-template-columns:1fr;

        padding:40px 20px;
    }

    .page{

        padding:120px 20px 40px;
    }

    .content-card{

        padding:20px;
    }

}

@media (min-width:769px) and (max-width:1200px){

    .hero{

        gap:40px;
    }

    .hero-right img{

        max-height:550px;
    }

    .hero-logo img{

        width:500px;
    }

}