:root{
  --bg:#06090f;
  --fg:#eaf0ff;
  --muted:rgba(234,240,255,.72);
  --line:rgba(234,240,255,.16);

  /* cyber / web3 */
  --neon1:#00f5d4;
  --neon2:#7c3aed;
  --neon3:#00d4ff;
  --warn:#ffcc00;

  --radius:22px;
}

*{box-sizing:border-box}
html,body{height:100%}

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color:var(--fg);
  background:var(--bg);
  overflow-x:hidden;
}

/* animated cyber haze (visible, but not aggressive) */
body::before{
  content:"";
  position:fixed; inset:-30%;
  background:
    radial-gradient(900px 520px at 12% 14%, rgba(0,245,212,.22), transparent 58%),
    radial-gradient(860px 520px at 86% 18%, rgba(124,58,237,.20), transparent 60%),
    radial-gradient(900px 600px at 62% 86%, rgba(0,212,255,.18), transparent 58%),
    radial-gradient(520px 420px at 45% 45%, rgba(255,204,0,.08), transparent 62%);
  filter: blur(18px);
  transform: translate3d(0,0,0);
  animation: drift 10s ease-in-out infinite alternate;
  pointer-events:none;
  z-index:-1;
}

@keyframes drift{
  0%{ transform: translate(-1.6%, -0.9%) scale(1.03); opacity:.95; }
  100%{ transform: translate(1.6%, 1.1%) scale(1.07); opacity:.90; }
}

/* page container */
.wrap{
  width:min(920px, 100%);
  margin:0 auto;
  padding:40px 18px;
  min-height:100vh;

  display:flex;
  flex-direction:column;
  justify-content:center;
  gap:18px;
}

/* header */
.top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.brand{display:flex; align-items:center; gap:12px}
.mark{
  width:44px;height:44px;border-radius:14px;
  background:linear-gradient(135deg,var(--neon1),var(--neon3),var(--neon2));
  box-shadow: 0 0 40px rgba(0,245,212,.18);
  position:relative;
}
.mark::after{
  content:"";
  position:absolute; inset:-35%;
  background:radial-gradient(circle at 30% 30%, rgba(255,255,255,.18), transparent 55%);
  transform:rotate(18deg);
}

.brandName{font-weight:800; letter-spacing:.2px}
.brandSub{color:var(--muted); font-size:12px; margin-top:2px}

.lang{display:flex; flex-wrap:wrap; gap:8px; justify-content:flex-end}
.langBtn{
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--muted);
  padding:8px 10px;
  border-radius:999px;
  font-size:12px;
  cursor:pointer;
  transition: .15s transform ease, .15s background ease, .15s color ease, .15s border-color ease;
}
.langBtn:hover{
  transform:translateY(-1px);
  background:rgba(255,255,255,.07);
  color:var(--fg);
  border-color:rgba(234,240,255,.24);
}
.langBtn.active{
  color:#06101f;
  border-color:transparent;
  background:linear-gradient(135deg,var(--neon1),var(--neon3));
}

/* hero card */
.hero{
  padding:24px 22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: 0 22px 65px rgba(0,0,0,.45);
  position:relative;
  overflow:hidden;
}

/* subtle animated scanlines */
.hero::before{
  content:"";
  position:absolute; inset:0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,.06) 0px,
    rgba(255,255,255,.06) 1px,
    transparent 2px,
    transparent 7px
  );
  opacity:.07;
  pointer-events:none;
  background-position: 0 0;
  animation: scan 2.8s linear infinite;
}
@keyframes scan{
  0%{ background-position: 0 0; }
  100%{ background-position: 0 22px; }
}

/* glow pulse */
.hero::after{
  content:"";
  position:absolute;
  width:560px;height:560px;
  left:-170px; top:-220px;
  background: radial-gradient(circle, rgba(0,245,212,.20), transparent 62%);
  filter: blur(10px);
  animation: pulse 5.2s ease-in-out infinite;
  pointer-events:none;
}
@keyframes pulse{
  0%,100%{ transform:scale(1); opacity:.68; }
  50%{ transform:scale(1.09); opacity:.95; }
}

h1{
  margin:0 0 14px;
  font-size:40px;
  line-height:1.08;
  letter-spacing:-.6px;
}
h1 span{
  background:linear-gradient(135deg,var(--neon1),var(--neon3),var(--neon2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.lead,.desc{
  margin:0 0 14px;
  color:var(--muted);
  font-size:16px;
  max-width:780px;
}

.focus{
  border-left:3px solid var(--neon1);
  padding-left:14px;
  margin:18px 0;
}
.focus p{margin:0; color:var(--muted)}
.focus b{color:var(--fg); font-weight:650}

.tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:22px 0 18px;
}
.tag{
  padding:8px 12px;
  border-radius:999px;
  font-size:13px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--muted);
}

.cta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:18px;
  align-items:center;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:12px 18px;
  border-radius:14px;
  font-size:14px;
  font-weight:750;
  text-decoration:none;
  color:#05080f;
  background:linear-gradient(135deg,var(--neon1),var(--neon3));
  box-shadow:0 0 44px rgba(0,245,212,.22);
}
.btn.alt{
  background:none;
  color:var(--fg);
  border:1px solid var(--line);
  box-shadow:none;
}

.foot{
  margin-top:24px;
  font-size:12px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  opacity:.9;
}
.dot{
  width:6px;height:6px;border-radius:99px;
  background:var(--neon1);
  box-shadow:0 0 18px rgba(0,245,212,.5);
}

/* responsive */
@media (max-width: 640px){
  h1{font-size:32px}
  .hero{padding:20px 16px}
  .top{flex-direction:column; align-items:flex-start}
  .lang{justify-content:flex-start}
}

/* accessibility: reduced motion */
@media (prefers-reduced-motion: reduce){
  body::before, .hero::after, .hero::before { animation: none !important; }
}