:root {
    --bg: #070707;
    --panel: rgba(255,255,255,.055);
    --panel2: rgba(255,255,255,.085);
    --text: #f5f1e8;
    --muted: #b9b1a3;
    --gold: #d6a83a;
    --gold2: #ffdf7a;
    --line: rgba(214,168,58,.28);
    --shadow: 0 24px 70px rgba(0,0,0,.48);
    --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
    radial-gradient(circle at 18% 12%, rgba(214,168,58,.18), transparent 28%),
    radial-gradient(circle at 85% 18%, rgba(255,255,255,.08), transparent 24%),
    linear-gradient(145deg, #030303, #0d0d0d 45%, #050505);
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
.wrap { width: min(1120px, calc(100% - 36px)); margin: 0 auto; }

header {
    position: sticky;
    top: 0;
    z-index: 20;
    backdrop-filter: blur(18px);
    background: rgba(7,7,7,.72);
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.nav {
    height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: .08em; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.brand small { display: block; color: var(--muted); font-weight: 500; letter-spacing: .16em; font-size: 10px; }

.navlinks { display: flex; align-items: center; gap: 18px; color: var(--muted); font-size: 14px; }
.navlinks a:hover { color: var(--gold2); }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--gold), var(--gold2));
    color: #171107;
    font-weight: 800;
    box-shadow: 0 12px 38px rgba(214,168,58,.28);
    border: 0;
}

.ghost { background: rgba(255,255,255,.07); color: var(--text); border: 1px solid rgba(255,255,255,.12); box-shadow: none; }

.hero {
    padding: 96px 0 72px;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 48px;
    align-items: center;
}

.eyebrow { color: var(--gold2); letter-spacing: .18em; text-transform: uppercase; font-size: 12px; font-weight: 800; }
h1 { font-size: clamp(44px, 7vw, 84px); line-height: .95; margin: 18px 0; letter-spacing: -.06em; }
.lead { color: var(--muted); font-size: clamp(18px, 2vw, 23px); line-height: 1.55; max-width: 680px; }
.actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }

.device-card {
    min-height: 500px;
    border-radius: var(--radius);
    background: linear-gradient(160deg, rgba(255,255,255,.11), rgba(255,255,255,.03));
    border: 1px solid rgba(255,255,255,.12);
    box-shadow: var(--shadow);
    display: grid;
    place-items: center;
    position: relative;
    overflow: hidden;
}
.device-card::before {
    content: "";
    position: absolute; inset: -30%;
    background: conic-gradient(from 120deg, transparent, rgba(214,168,58,.22), transparent, rgba(255,255,255,.12), transparent);
    animation: spin 9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.logo-disc {
    width: min(74%, 420px);
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, #181818 0 56%, #050505 57% 100%);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,.08), 0 30px 90px rgba(0,0,0,.65);
    display: grid;
    place-items: center;
    position: relative;
    z-index: 2;
}
.logo-disc img { width: 78%; height: 78%; object-fit: contain; filter: drop-shadow(0 0 20px rgba(214,168,58,.35)); }

section { padding: 72px 0; }
.section-title { font-size: clamp(32px, 4vw, 52px); line-height: 1; margin: 0 0 18px; letter-spacing: -.04em; }
.section-text { color: var(--muted); line-height: 1.65; font-size: 18px; max-width: 780px; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.card {
    padding: 28px;
    border-radius: 24px;
    background: var(--panel);
    border: 1px solid rgba(255,255,255,.1);
    box-shadow: 0 16px 42px rgba(0,0,0,.25);
}
.card h3 { margin: 0 0 10px; font-size: 22px; }
.card p { margin: 0; color: var(--muted); line-height: 1.6; }
.icon { font-size: 28px; margin-bottom: 18px; }

.band {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(135deg, rgba(214,168,58,.13), rgba(255,255,255,.04));
    padding: 36px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
}

.steps { counter-reset: step; display: grid; gap: 14px; margin-top: 32px; }
.step {
    counter-increment: step;
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 18px;
    align-items: start;
    padding: 20px;
    border-radius: 22px;
    background: var(--panel2);
    border: 1px solid rgba(255,255,255,.1);
}
.step::before {
    content: counter(step);
    width: 42px; height: 42px; border-radius: 50%;
    display: grid; place-items: center;
    background: linear-gradient(135deg, var(--gold), var(--gold2));
    color: #171107; font-weight: 900;
}
.step strong { display: block; margin-bottom: 5px; }
.step span { color: var(--muted); line-height: 1.55; }

.cuet-hand{
    display:block;
    width:100%;
    max-width:760px;
    margin:0 auto;

    filter:
        drop-shadow(0 25px 60px rgba(0,0,0,.45));

    transition:.35s;
}

.cuet-hand:hover{
    transform:translateY(-4px) scale(1.02);
}

.cuet-hand{
cursor:zoom-in;
}

.img-popup{
position:fixed;
inset:0;
background:rgba(0,0,0,.88);

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

opacity:0;
visibility:hidden;

transition:.25s;
z-index:9999;

cursor:zoom-out;
}

.img-popup.show{
    opacity:1;
    visibility:visible;
}

.img-popup img{
    max-width:92vw;
    max-height:92vh;

    border-radius:20px;

    box-shadow:
        0 30px 90px rgba(0,0,0,.6);

    animation:popupZoom .25s ease;
}

@keyframes popupZoom{
    from{
        transform:scale(.85);
        opacity:0;
    }
    to{
        transform:scale(1);
        opacity:1;
    }
}

.usecase-img{
width:100%;
aspect-ratio:1.35;
object-fit:cover;
border-radius:18px;
margin-bottom:18px;
border:1px solid rgba(255,255,255,.12);
}

.usecase-img{
width:100%;
aspect-ratio:16/10;
object-fit:cover;
border-radius:18px;
margin-bottom:18px;
cursor:zoom-in;
transition:.3s;
box-shadow:0 12px 30px rgba(0,0,0,.35);
}

.usecase-img:hover{
    transform:translateY(-4px) scale(1.03);
    box-shadow:0 20px 45px rgba(0,0,0,.45);
}

.shop-box{
margin-top:34px;
padding:34px;
border-radius:28px;
background:linear-gradient(135deg, rgba(214,168,58,.18), rgba(255,255,255,.055));
border:1px solid var(--line);
}

.shop-price{
font-size:42px;
font-weight:900;
color:var(--gold2);
margin:12px 0;
}

.shop-select{
width:100%;
max-width:420px;
padding:14px 16px;
border-radius:14px;
border:1px solid rgba(255,255,255,.18);
background:#111;
color:var(--text);
font-size:16px;
margin:16px 0 24px;
}

.compare-grid{
display:grid;
grid-template-columns:1fr 1fr;
gap:18px;
margin-top:34px;
}

.compare-col{
padding:30px;
border-radius:28px;
background:var(--panel);
border:1px solid rgba(255,255,255,.1);
}

.compare-col h3{
margin:0 0 22px;
font-size:26px;
}

.compare-list{
display:grid;
gap:14px;
}

.compare-item{
padding:16px 18px;
border-radius:18px;
background:rgba(255,255,255,.055);
border:1px solid rgba(255,255,255,.08);
color:var(--muted);
transition:.25s;
}

.compare-item:hover{
transform:translateY(-3px);
background:rgba(214,168,58,.13);
color:var(--text);
border-color:var(--line);
}

.compare-item strong{
color:var(--gold2);
}

@media(max-width:860px){
.compare-grid{
    grid-template-columns:1fr;
}
}

/* ==========================================================
OVERVIEW
========================================================== */
.overview-card{
    margin-top:40px;
    background:linear-gradient(160deg,
        rgba(255,255,255,.08),
        rgba(255,255,255,.03));

    border:1px solid rgba(255,255,255,.10);
    border-radius:28px;
    padding:22px;
    box-shadow:0 22px 60px rgba(0,0,0,.35);
}

.overview-img{
    display:block;
    width:100%;
    border-radius:18px;
    cursor:zoom-in;
    transition:.35s;
}

.overview-img:hover{
    transform:scale(1.015);
    box-shadow:0 25px 60px rgba(0,0,0,.35);
}

footer { padding: 44px 0; border-top: 1px solid rgba(255,255,255,.08); color: var(--muted); }
footer .foot { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
footer a { color: var(--gold2); }

@media (max-width: 860px) {
    .hero { grid-template-columns: 1fr; padding-top: 58px; }
    .device-card { min-height: 360px; }
    .grid { grid-template-columns: 1fr; }
    .band { grid-template-columns: 1fr; }
    .navlinks { display: none; }
}