:root {
    --brand-primary: #3b82f6;
    --brand-dark: #020617;
    --brand-surface: #0f172a;
    --brand-accent: #60a5fa;
    --text-high: #f8fafc;
    --text-low: #94a3b8;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Plus Jakarta Sans',sans-serif;
}

html{
    scroll-behavior:smooth;
}

body{
    background:var(--brand-dark);
    color:var(--text-high);
    overflow-x:hidden;
    line-height:1.7;
}

.container{
    width:min(1200px,90%);
    margin:auto;
}

header{
    position:sticky;
    top:0;
    z-index:1000;
    background:rgba(2,6,23,.92);
    backdrop-filter:blur(12px);
    border-bottom:1px solid rgba(255,255,255,.05);
}

.nav{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:1.2rem 0;
}

.logo{
    color:var(--brand-primary);
    font-size:1.6rem;
    font-weight:800;
    text-decoration:none;
}

.nav-links{
    display:flex;
    gap:2rem;
    list-style:none;
}

.nav-links a{
    color:var(--text-low);
    text-decoration:none;
    font-weight:600;
    transition:var(--transition);
}

.nav-links a:hover{
    color:var(--brand-primary);
}

.btn{
    display:inline-block;
    padding:0.7rem 1.5rem;
    border-radius:8px;
    text-decoration:none;
    font-weight:700;
    transition:var(--transition);
}

.btn-primary{
    background:var(--brand-primary);
    color:white;
    border-radius: 999px;
}

.btn-primary:hover{
    transform:translateY(-3px);
    box-shadow:0 10px 20px rgba(59,130,246,.3);
}

.hero{
    padding:140px 0 100px;
    background:radial-gradient(circle at 80% 20%, rgba(59,130,246,.15) 0%, transparent 40%);
}

.hero-tag{
    display:inline-block;
    padding:6px 16px;
    border-radius:999px;
    border:1px solid rgba(59,130,246,.3);
    background:rgba(59,130,246,.1);
    color:var(--brand-accent);
    font-size:.8rem;
    margin-bottom:1.5rem;
    text-transform:uppercase;
    font-weight:700;
}

.hero h1{
    font-size:clamp(2.5rem,5vw,4.5rem);
    line-height:1.1;
    margin-bottom:1.5rem;
}

.hero h1 span{
    color:var(--brand-primary);
}

.hero p{
    color:var(--text-low);
    max-width:700px;
    margin-bottom:2rem;
    font-size:1.1rem;
}

.section{
    padding:90px 0;
}

.section-title{
    text-align:center;
    margin-bottom:4rem;
}

.section-title h2{
    font-size:2.4rem;
    margin-bottom:1rem;
}

.section-title p{
    color:var(--text-low);
}

.cards{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
    gap:2rem;
}

.card{
    background:rgba(255,255,255,.02);
    border:1px solid rgba(255,255,255,.05);
    border-radius:24px;
    padding:2.5rem;
    transition:var(--transition);
    text-decoration: none;
    color: var(--text-high);
}

.card:hover{
    transform:translateY(-10px);
    border-color:var(--brand-primary);
}

.card i{
    color:var(--brand-primary);
    font-size:2rem;
    margin-bottom:1rem;
}

.card h3{
    margin-bottom:1rem;
}

.card p{
    color:var(--text-low);
}

.stats{
    background:var(--brand-surface);
}

.stats-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:2rem;
}

.stat{
    text-align:center;
}

.stat h3{
    font-size:2.5rem;
    color:var(--brand-primary);
}

.stat p{
    color:var(--text-low);
}

.content{
    max-width:900px;
    margin:auto;
}

.content p{
    margin-bottom:1.5rem;
    color:var(--text-low);
}

footer{
    border-top:1px solid rgba(255,255,255,.05);
    padding:4rem 0;
    text-align:center;
    color:var(--text-low);
}

.wa-float{
    position:fixed;
    right:30px;
    bottom:30px;
    width:65px;
    height:65px;
    border-radius:50%;
    background:var(--brand-primary);
    color:white;
    display:flex;
    justify-content:center;
    align-items:center;
    font-size:1.7rem;
    text-decoration:none;
    box-shadow:0 15px 30px rgba(59,130,246,.4);
}

@media(max-width:768px){

    .nav{
        flex-direction:column;
        gap:1rem;
    }

    .nav-links{
        flex-wrap:wrap;
        justify-content:center;
    }

    .hero{
        text-align:center;
    }

    .stats-grid{
        grid-template-columns:1fr;
    }
}

footer{
    border-top:1px solid rgba(255,255,255,.05);
    padding-top:4rem;
    background:var(--brand-dark);
}

.footer-container{
    display:flex;
    justify-content:space-between;
    gap:4rem;
    flex-wrap:wrap;
    padding-bottom:3rem;
}

.footer-brand{
    max-width:320px;
}

.footer-brand h3{
    color:var(--brand-primary);
    margin-bottom:1rem;
    font-size:1.5rem;
}

.footer-brand p{
    color:var(--text-low);
}

.footer-links{
    display:flex;
    gap:4rem;
    flex-wrap:wrap;
}

.footer-column{
    display:flex;
    flex-direction:column;
    gap:.8rem;
}

.footer-column h4{
    margin-bottom:.5rem;
    color:var(--text-high);
}

.footer-column a{
    color:var(--text-low);
    text-decoration:none;
    transition:var(--transition);
}

.footer-column a:hover{
    color:var(--brand-primary);
}

.footer-bottom{
    border-top:1px solid rgba(255,255,255,.05);
    padding:1.5rem 0;
    text-align:center;
}

.footer-bottom p{
    color:var(--text-low);
    margin:.3rem 0;
}

@media(max-width:768px){

    .footer-container{
        flex-direction:column;
    }

    .footer-links{
        flex-direction:column;
        gap:2rem;
    }

}