:root{
    --bg:#0b0d10;
    --panel:#12161b;
    --text:#e8edf2;
    --muted:#a6b0bb;
    --accent:#00d4aa;
    --accent-hover:#16f0c2;
    --border:#20262d;
    --max-width:1100px;
}

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

html{
    scroll-behavior:smooth;
}

body{
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.7;
}

.container{
    width:90%;
    max-width:var(--max-width);
    margin:auto;
}

header{
    padding:100px 0 120px;
    text-align:center;
    background:
        radial-gradient(circle at top center,
        rgba(0,212,170,.15),
        transparent 55%);
}

header{
    position:relative;
    overflow:hidden;
    padding:100px 0 120px;
    text-align:center;
    background:
        radial-gradient(circle at top center,
        rgba(0,212,170,.12),
        transparent 55%);
}

.hero-bg{
    position:absolute;
    inset:0;
    overflow:hidden;
    pointer-events:none;
}

.hero-bg span{
    position:absolute;
    display:block;
    width:3px;
    height:3px;
    border-radius:50%;
    background:rgba(255,255,255,.75);
    animation:float 20s linear infinite;
}

.hero-bg span:nth-child(1){ left:10%; top:80%; animation-duration:18s; }
.hero-bg span:nth-child(2){ left:25%; top:90%; animation-duration:25s; }
.hero-bg span:nth-child(3){ left:40%; top:75%; animation-duration:20s; }
.hero-bg span:nth-child(4){ left:55%; top:85%; animation-duration:22s; }
.hero-bg span:nth-child(5){ left:70%; top:95%; animation-duration:26s; }
.hero-bg span:nth-child(6){ left:80%; top:70%; animation-duration:17s; }
.hero-bg span:nth-child(7){ left:90%; top:90%; animation-duration:23s; }
.hero-bg span:nth-child(8){ left:15%; top:65%; animation-duration:19s; }

@keyframes float{
    0%{
        transform:translateY(0);
        opacity:0;
    }

    10%{
        opacity:.4;
    }

    90%{
        opacity:.4;
    }

    100%{
        transform:translateY(-800px);
        opacity:0;
    }
}

.logo{
    font-size:1.2rem;
    letter-spacing:.25rem;
    text-transform:uppercase;
    color:var(--accent);
    margin-bottom:30px;
}

.hero h1{
    font-size:clamp(2.8rem, 6vw, 5rem);
    line-height:1.05;
    margin-bottom:20px;
    font-weight:800;
}

.hero h2{
    font-size:clamp(1.2rem, 2vw, 1.6rem);
    color:var(--muted);
    font-weight:400;
    max-width:800px;
    margin:0 auto 40px;
}

.buttons{
    display:flex;
    gap:15px;
    justify-content:center;
    flex-wrap:wrap;
}

.btn{
    display:inline-block;
    padding:14px 28px;
    text-decoration:none;
    border-radius:8px;
    font-weight:600;
    transition:.2s;
}

.btn-primary{
    background:var(--accent);
    color:#000;
}

.btn-primary:hover{
    background:var(--accent-hover);
}

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

.btn-secondary:hover{
    background:var(--panel);
}

section{
    padding:70px 0;
}

h3{
    font-size:2rem;
    margin-bottom:25px;
}

p{
    margin-bottom:20px;
}

.grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
    gap:25px;
}

.card{
    background:var(--panel);
    border:1px solid var(--border);
    border-radius:12px;
    padding:25px;
}

.card h4{
    margin-bottom:12px;
    color:var(--accent);
}

ul{
    padding-left:20px;
}

li{
    margin-bottom:10px;
}

.highlight{
    color:var(--accent);
    font-weight:600;
}

.access-box{
    background:var(--panel);
    border:1px solid var(--border);
    border-radius:12px;
    padding:25px;
    margin-top:25px;
}

.access-box h4{
    color:var(--accent);
    margin-bottom:12px;
}

.access-box code{
    display:block;
    margin-top:10px;
    background:#0f1317;
    border:1px solid var(--border);
    padding:12px;
    border-radius:8px;
    color:#fff;
    overflow-wrap:anywhere;
}

footer{
    text-align:center;
    padding:60px 20px;
    border-top:1px solid var(--border);
    color:var(--muted);
}

footer a{
    color:var(--accent);
    text-decoration:none;
}

hr{
    border:none;
    border-top:1px solid var(--border);
    margin:50px 0;
}

@media (max-width:768px){
    section{
        padding:50px 0;
    }

    .hero h1{
        font-size:2.6rem;
    }
}