:root{
  --bg:#050509;
  --bg-alt:#0a0a12;
  --card:#101018;
  --card-border:#1f2030;
  --text:#f2f2f7;
  --text-dim:#9494a8;
  --text-dimmer:#6b6b7d;
  --blue:#3b82f6;
  --purple:#a855f7;
  --pink:#ec4899;
  --orange:#f97316;
  --yellow:#fbbf24;
  --teal:#14b8a6;
  --green:#22c55e;
  --grad-full: linear-gradient(90deg,var(--blue),var(--purple),var(--pink),var(--orange));
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  line-height:1.5;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
img{max-width:100%;display:block;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}

/* background glow */
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(circle at 15% 10%, rgba(59,130,246,.12), transparent 40%),
    radial-gradient(circle at 85% 20%, rgba(249,115,22,.10), transparent 40%),
    radial-gradient(circle at 50% 80%, rgba(168,85,247,.10), transparent 45%);
  pointer-events:none;
  z-index:0;
}

/* Navbar */
.navbar{
  position:sticky;top:0;z-index:50;
  background:rgba(5,5,9,.75);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--card-border);
}
.navbar .container{display:flex;align-items:center;justify-content:space-between;height:76px;}
.navbar .logo img{height:34px;width:auto;}
.nav-links{display:flex;align-items:center;gap:36px;}
.nav-links a{color:var(--text-dim);font-size:14.5px;font-weight:500;transition:color .2s;}
.nav-links a:hover{color:var(--text);}
.nav-cta{display:flex;align-items:center;gap:14px;}

.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:10px;
  font-size:14.5px;font-weight:600;
  cursor:pointer;border:1px solid transparent;
  white-space:nowrap;
  transition:transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{
  background:linear-gradient(90deg,var(--purple),var(--pink));
  color:#fff;
  box-shadow:0 8px 24px -8px rgba(168,85,247,.55);
}
.btn-primary:hover{box-shadow:0 10px 30px -6px rgba(236,72,153,.6);}
.btn-outline{
  background:rgba(255,255,255,.03);
  border-color:var(--card-border);
  color:var(--text);
}
.btn-outline:hover{background:rgba(255,255,255,.06);border-color:#33344a;}
.btn svg{width:16px;height:16px;}

/* Hero */
.hero{position:relative;z-index:1;padding:96px 0 72px;}
.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(59,130,246,.12);
  border:1px solid rgba(59,130,246,.35);
  color:#7db2ff;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  margin-bottom:22px;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);box-shadow:0 0 8px var(--blue);}
.hero h1{
  font-size:56px;line-height:1.08;font-weight:800;letter-spacing:-.02em;margin-bottom:22px;
}
.hero h1 span{display:block;}
.hero h1 .c-blue{color:#6ea8ff;}
.hero h1 .c-white{color:var(--text);}
.hero h1 .c-orange{color:var(--orange);}
.hero p.lead{color:var(--text-dim);font-size:17px;max-width:520px;margin-bottom:34px;}
.hero .actions{display:flex;gap:16px;margin-bottom:56px;flex-wrap:wrap;}

.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;}
.hero-visual img{width:100%;max-width:460px;filter:drop-shadow(0 0 60px rgba(139,92,246,.25));}
.hero-visual::after{
  content:"";position:absolute;inset:10%;
  background:radial-gradient(circle, rgba(139,92,246,.18), transparent 70%);
  z-index:-1;
}

.stats-row{display:flex;gap:14px;flex-wrap:wrap;}
.stat-pill{
  display:flex;align-items:center;gap:10px;
  background:var(--card);border:1px solid var(--card-border);
  padding:10px 16px;border-radius:12px;font-size:13px;color:var(--text-dim);
}
.stat-pill b{color:var(--text);font-size:15px;}
.dot{width:8px;height:8px;border-radius:50%;}
.dot-green{background:var(--green);box-shadow:0 0 6px var(--green);}

/* Section headings */
.section{position:relative;z-index:1;padding:64px 0;}
.section-title{font-size:32px;font-weight:800;letter-spacing:-.01em;margin-bottom:8px;}
.section-sub{color:var(--text-dim);font-size:15px;margin-bottom:44px;max-width:560px;}

/* Ecosystem */
.eco-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:start;}
.eco-list{display:flex;flex-direction:column;}
.eco-item{
  display:grid;grid-template-columns:auto 250px 1fr;gap:20px;align-items:start;
  padding:26px 4px;border-bottom:1px solid var(--card-border);
}
.eco-item:first-child{padding-top:4px;}
.eco-item:last-child{border-bottom:none;}
.eco-dot{width:11px;height:11px;border-radius:50%;margin-top:8px;}
.eco-dot.blue{background:var(--blue);box-shadow:0 0 10px var(--blue);}
.eco-dot.purple{background:var(--purple);box-shadow:0 0 10px var(--purple);}
.eco-dot.orange{background:var(--orange);box-shadow:0 0 10px var(--orange);}
.eco-name{font-size:19px;font-weight:700;}
.eco-name .ext{font-weight:400;color:var(--text-dim);}
.eco-tag{font-size:13px;color:var(--text-dimmer);margin-top:4px;}
.eco-desc{color:var(--text-dim);font-size:14.5px;}

.feature-card{
  background:var(--card);border:1px solid var(--card-border);
  border-radius:18px;padding:8px 26px;
}
.feature-row{
  display:flex;gap:16px;align-items:flex-start;
  padding:22px 0;border-bottom:1px solid var(--card-border);
}
.feature-row:last-child{border-bottom:none;}
.feature-icon{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(168,85,247,.12);color:var(--purple);
}
.feature-icon svg{width:19px;height:19px;}
.feature-row h4{font-size:15.5px;font-weight:700;margin-bottom:4px;}
.feature-row p{font-size:13.5px;color:var(--text-dim);}

/* Platforms */
.platform-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.platform-card{
  background:var(--card);border:1px solid var(--card-border);
  border-radius:18px;padding:26px;
  transition:border-color .2s, transform .2s;
}
.platform-card:hover{transform:translateY(-4px);border-color:#33344a;}
.platform-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.platform-icon{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
}
.platform-icon.bigo{background:linear-gradient(135deg,#0891b2,#14b8a6);}
.platform-icon.likee{background:linear-gradient(135deg,#f472b6,#f97316,#facc15);}
.platform-icon.xena{background:linear-gradient(135deg,#7c3aed,#a855f7);}
.platform-card h3{font-size:19px;font-weight:700;}
.platform-card p.desc{color:var(--text-dim);font-size:13.5px;margin-bottom:20px;min-height:38px;}
.platform-btn{
  display:inline-flex;align-items:center;gap:8px;
  width:100%;justify-content:center;
  padding:10px 0;border-radius:9px;font-size:13.5px;font-weight:600;color:#fff;
}
.platform-btn.bigo{background:#0d9488;}
.platform-btn.likee{background:linear-gradient(90deg,#ec4899,#a855f7);}
.platform-btn.xena{background:#6d28d9;}

/* Feature strip */
.strip{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.strip-item{
  background:var(--card);border:1px solid var(--card-border);
  border-radius:14px;padding:22px 18px;text-align:left;
}
.strip-item svg{width:22px;height:22px;color:var(--purple);margin-bottom:14px;}
.strip-item h4{font-size:14.5px;font-weight:700;margin-bottom:6px;}
.strip-item p{font-size:12.5px;color:var(--text-dim);}

/* CTA band */
.cta-band{
  position:relative;z-index:1;margin:20px auto 80px;max-width:1240px;
  padding:56px 48px;border-radius:26px;
  background:linear-gradient(120deg,rgba(59,130,246,.15),rgba(168,85,247,.15),rgba(249,115,22,.12));
  border:1px solid var(--card-border);
  text-align:center;
}
.cta-band h2{font-size:30px;font-weight:800;margin-bottom:12px;}
.cta-band p{color:var(--text-dim);margin-bottom:28px;}
.cta-band .actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;}

/* Footer */
footer{position:relative;z-index:1;border-top:1px solid var(--card-border);padding:48px 0 28px;}
.footer-top{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:32px;margin-bottom:32px;}
.footer-brand img{height:28px;margin-bottom:12px;}
.footer-brand p{color:var(--text-dimmer);font-size:13px;max-width:280px;}
.footer-cols{display:flex;gap:64px;flex-wrap:wrap;}
.footer-col h5{font-size:13px;color:var(--text-dim);margin-bottom:14px;letter-spacing:.04em;text-transform:uppercase;}
.footer-col a{display:block;color:var(--text-dimmer);font-size:13.5px;margin-bottom:10px;transition:color .2s;}
.footer-col a:hover{color:var(--text);}
.footer-bottom{
  border-top:1px solid var(--card-border);padding-top:24px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  color:var(--text-dimmer);font-size:12.5px;
}

/* Responsive */
@media (max-width:960px){
  .hero .container{grid-template-columns:1fr;}
  .hero-visual{order:-1;max-width:320px;margin:0 auto 20px;}
  .eco-grid{grid-template-columns:1fr;}
  .eco-item{grid-template-columns:auto 1fr;grid-template-areas:"dot name" "dot tag" "desc desc";}
  .platform-grid{grid-template-columns:1fr;}
  .strip{grid-template-columns:repeat(2,1fr);}
  .nav-links{display:none;}
}
@media (max-width:560px){
  .hero h1{font-size:38px;}
  .strip{grid-template-columns:1fr;}
  .footer-top{flex-direction:column;}
}