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

body{
    background:#000;
    color:#fff;
    overflow-x:hidden;
}

/* NAV */

nav{
    width:100%;
    padding:20px 8%;
    position:fixed;
    top:0;
    z-index:999;
    backdrop-filter:blur(20px);
    background:rgba(0,0,0,.65);
    border-bottom:1px solid rgba(255,255,255,.06);
}

.nav-container{
    display:flex;
    justify-content:space-between;
    align-items:center;
}

.logo{
    font-size:1.3rem;
    font-weight:700;
    letter-spacing:1px;
}

.nav-links{
    display:flex;
    gap:35px;
}

.nav-links a{
    color:#d1d1d1;
    text-decoration:none;
    font-size:.95rem;
    transition:.3s;
}

.nav-links a:hover{
    color:#fff;
}

/* HERO */

.hero{
    min-height:100vh;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:120px 8% 60px;
    background:
    radial-gradient(circle at top,#1f1f1f 0%,#000 60%);
}

.hero-container{
    width:100%;
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
    align-items:center;
    gap:60px;
}

.hero-text h1{
    font-size:4.5rem;
    line-height:1;
    margin-bottom:25px;
    font-weight:700;
}

.hero-text h1 span{
    color:#d6d6d6;
}

.hero-text p{
    color:#b4b4b4;
    font-size:1.1rem;
    line-height:1.8;
    margin-bottom:35px;
    max-width:520px;
}

.price{
    font-size:2.3rem;
    font-weight:700;
    margin-bottom:30px;
}

.price span{
    font-size:1rem;
    color:#8e8e8e;
    font-weight:400;
}

.buttons{
    display:flex;
    gap:18px;
    flex-wrap:wrap;
}

.btn{
    padding:15px 32px;
    border-radius:999px;
    text-decoration:none;
    font-weight:600;
    transition:.3s;
}

.btn-primary{
    background:#fff;
    color:#000;
}

.btn-primary:hover{
    transform:scale(1.05);
}

.btn-secondary{
    border:1px solid rgba(255,255,255,.2);
    color:#fff;
}

.btn-secondary:hover{
    background:#fff;
    color:#000;
}

/* PRODUCT IMAGE */

.hero-image{
    display:flex;
    justify-content:center;
    position:relative;
}

.hero-image img{
    width:100%;
    max-width:520px;
    filter:drop-shadow(0 0 40px rgba(255,255,255,.18));
    animation:float 5s ease-in-out infinite;
}

@keyframes float{
    0%{transform:translateY(0px);}
    50%{transform:translateY(-18px);}
    100%{transform:translateY(0px);}
}

/* FEATURES */

.features{
    padding:100px 8%;
    background:#050505;
}

.section-title{
    text-align:center;
    margin-bottom:70px;
}

.section-title h2{
    font-size:3rem;
    margin-bottom:10px;
}

.section-title p{
    color:#8d8d8d;
}

.features-grid{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
    gap:25px;
}

.feature-card{
    background:#111;
    border:1px solid rgba(255,255,255,.05);
    border-radius:28px;
    padding:35px;
    transition:.3s;
}

.feature-card:hover{
    transform:translateY(-8px);
    border-color:rgba(255,255,255,.15);
}

.feature-card h3{
    margin:20px 0 12px;
    font-size:1.2rem;
}

.feature-card p{
    color:#9c9c9c;
    line-height:1.7;
}

.icon{
    font-size:2rem;
}

/* CTA */

.cta{
    padding:120px 8%;
    text-align:center;
    background:linear-gradient(to bottom,#050505,#000);
}

.cta h2{
    font-size:3rem;
    margin-bottom:20px;
}

.cta p{
    color:#a1a1a1;
    max-width:700px;
    margin:auto;
    line-height:1.8;
    margin-bottom:35px;
}

/* FOOTER */

footer{
    padding:30px 8%;
    border-top:1px solid rgba(255,255,255,.08);
    text-align:center;
    color:#7c7c7c;
    font-size:.9rem;
}

/* RESPONSIVE */

@media(max-width:768px){

    .hero-text{
        text-align:center;
    }

    .hero-text h1{
        font-size:3rem;
    }

    .buttons{
        justify-content:center;
    }

    .nav-links{
        display:none;
    }

    .section-title h2{
        font-size:2.2rem;
    }

    .cta h2{
        font-size:2.2rem;
    }
}

/* OEM INFO SECTION */

#oem-info{
    padding:120px 8%;
    background:
    linear-gradient(to bottom,#050505,#090909);
}

#oem-info .section-title{
    text-align:center;
    margin-bottom:70px;
}

#oem-info .section-title h2{
    font-size:3.3rem;
    margin-bottom:15px;
    font-weight:800;
    color:#fff;
}

#oem-info .section-title p{
    color:#a1a1aa;
    max-width:720px;
    margin:auto;
    line-height:1.8;
    font-size:1.05rem;
}

#oem-info .requirements{
    display:grid;
    grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
    gap:30px;
}

#oem-info .req-box{
    background:linear-gradient(180deg,#121212,#090909);
    border:1px solid rgba(255,255,255,.08);
    border-radius:32px;
    padding:45px;
    transition:.35s;
    position:relative;
    overflow:hidden;
}

#oem-info .req-box::before{
    content:'';
    position:absolute;
    width:180px;
    height:180px;
    background:rgba(255,255,255,.03);
    border-radius:50%;
    top:-60px;
    right:-60px;
}

#oem-info .req-box:hover{
    transform:translateY(-8px);
    border-color:rgba(255,255,255,.16);
    box-shadow:0 20px 40px rgba(0,0,0,.35);
}

#oem-info .req-box h3{
    font-size:1.6rem;
    margin-bottom:28px;
    font-weight:700;
    position:relative;
    z-index:2;
}

#oem-info .req-box ul{
    list-style:none;
    position:relative;
    z-index:2;
}

#oem-info .req-box ul li{
    margin-bottom:18px;
    color:#d4d4d8;
    line-height:1.8;
    padding-left:32px;
    position:relative;
}

#oem-info .req-box ul li::before{
    content:'✔';
    position:absolute;
    left:0;
    top:0;
    color:#fff;
    font-weight:700;
}

/* RESPONSIVE */

@media(max-width:768px){

    #oem-info{
        padding:90px 6%;
    }

    #oem-info .section-title h2{
        font-size:2.4rem;
    }

    #oem-info .req-box{
        padding:35px;
    }

}