:root{
  --p:#4f7cff; --d:#1a3a8a; --a:#8a5cff; --g:#28d695;
  --bg:#f5f8ff; --tx:#16233f; --mu:#5b6b8c; --lt:#3b6bff;
  --card:#ffffff;
  --border:rgba(26,58,138,.10);
  --border-h:rgba(79,124,255,.45);
  --glow:0 18px 45px rgba(79,124,255,.22);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  background:var(--bg); color:var(--tx); line-height:1.7; font-size:16px;
  min-height:100vh; overflow-x:hidden;
}
h1,h2,h3,h4,.logo{font-family:'Space Grotesk','Inter',sans-serif;}

/* ===== aurora background ===== */
.aurora{position:fixed;inset:0;z-index:-2;overflow:hidden;background:
  radial-gradient(1200px 600px at 80% -10%, rgba(79,124,255,.18), transparent 60%),
  radial-gradient(900px 500px at 0% 20%, rgba(138,92,255,.14), transparent 60%),
  var(--bg);}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.4;will-change:transform}
.orb-1{width:480px;height:480px;background:radial-gradient(circle,rgba(79,124,255,.45),transparent 70%);top:-120px;right:-80px;animation:float1 16s ease-in-out infinite}
.orb-2{width:420px;height:420px;background:radial-gradient(circle,rgba(138,92,255,.4),transparent 70%);top:30%;left:-140px;animation:float2 20s ease-in-out infinite}
.orb-3{width:360px;height:360px;background:radial-gradient(circle,rgba(40,214,149,.25),transparent 70%);bottom:-100px;right:20%;animation:float1 22s ease-in-out infinite reverse}
@keyframes float1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-40px,30px) scale(1.08)}}
@keyframes float2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(50px,-30px) scale(1.12)}}
.grid-bg{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(26,58,138,.05) 1px,transparent 1px),
  linear-gradient(90deg,rgba(26,58,138,.05) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 40%,transparent 100%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 40%,transparent 100%);}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
a{color:var(--p);text-decoration:none}

/* ===== header ===== */
header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.82);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:1120px;margin:0 auto}
.logo{font-family:'Rubik Mono One',monospace;font-size:20px;letter-spacing:1px;
  background:linear-gradient(120deg,#16233f,var(--lt));-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text}
.logo .dot{color:var(--p);-webkit-text-fill-color:var(--p)}
nav{display:flex;gap:22px;align-items:center}
nav a{color:var(--mu);font-weight:600;font-size:14px;transition:color .2s}
nav a:hover{color:var(--d)}
.btn{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--p),var(--a));
  color:#fff;padding:9px 20px;border-radius:24px;font-weight:800;font-size:14px;
  box-shadow:0 6px 20px rgba(79,124,255,.35);transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(79,124,255,.5);color:#fff}

/* ===== hero ===== */
.hero{text-align:center;padding:96px 20px 40px;position:relative}
.hero-logo{display:block;margin:0 auto 30px;max-width:90%;height:auto;
  filter:drop-shadow(0 6px 18px rgba(79,124,255,.25));animation:logoglow 4s ease-in-out infinite}
@keyframes logoglow{0%,100%{filter:drop-shadow(0 4px 14px rgba(79,124,255,.2))}50%{filter:drop-shadow(0 8px 26px rgba(138,92,255,.35))}}
.badge{display:inline-flex;align-items:center;gap:8px;background:rgba(40,214,149,.12);
  border:1px solid rgba(40,214,149,.35);color:#0d9668;padding:8px 18px;border-radius:30px;
  font-size:13px;font-weight:700;margin-bottom:26px;letter-spacing:.3px}
.badge .dot{width:7px;height:7px;border-radius:50%;background:var(--g);box-shadow:0 0 12px var(--g);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:56px;line-height:1.08;font-weight:800;letter-spacing:-1.5px;margin-bottom:22px;
  background:linear-gradient(120deg,#16233f 5%,var(--lt) 45%,var(--a) 100%);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  background-size:200% auto;animation:sheen 6s linear infinite}
@keyframes sheen{to{background-position:200% center}}
.hero p{color:var(--mu);max-width:680px;margin:0 auto 36px;font-size:18px}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{position:relative;overflow:hidden;display:inline-block;background:linear-gradient(120deg,var(--p),var(--a));
  color:#fff;padding:17px 44px;border-radius:46px;font-weight:800;font-size:17px;
  box-shadow:0 12px 36px rgba(79,124,255,.45);transition:transform .22s,box-shadow .22s}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 50px rgba(79,124,255,.6);color:#fff}
.btn-primary::after{content:"";position:absolute;top:0;left:-80%;width:50%;height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.4),transparent);transform:skewX(-20deg);animation:shine 3.2s infinite}
@keyframes shine{0%{left:-80%}55%{left:130%}100%{left:130%}}
.btn-ghost{display:inline-block;padding:16px 36px;border-radius:46px;font-weight:700;font-size:16px;
  border:1px solid var(--border-h);color:var(--tx);transition:border-color .2s,background .2s}
.btn-ghost:hover{border-color:var(--a);background:rgba(79,124,255,.08);color:var(--d)}

/* ===== floating game tiles (hero showcase) ===== */
.showcase{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin:48px auto 8px;max-width:880px}
.tile{display:flex;align-items:center;gap:10px;padding:13px 20px;border-radius:16px;
  background:var(--card);border:1px solid var(--border);backdrop-filter:blur(8px);
  color:var(--tx);font-weight:600;font-size:14px;animation:bob 5s ease-in-out infinite;
  box-shadow:0 4px 16px rgba(26,58,138,.06);transition:border-color .2s,transform .2s,box-shadow .2s}
.tile:hover{border-color:var(--border-h);box-shadow:var(--glow);transform:translateY(-3px)}
.tile .ic{color:var(--p)}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* ===== marquee ===== */
.marquee{overflow:hidden;padding:22px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background:rgba(26,58,138,.03)}
.marquee-track{display:flex;gap:56px;width:max-content;animation:scroll 28s linear infinite}
.marquee span{color:var(--mu);font-weight:700;font-size:15px;letter-spacing:.5px;white-space:nowrap}
.marquee span em{font-style:normal;color:var(--p)}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ===== section ===== */
section{padding:78px 0}
h2{font-size:36px;font-weight:800;letter-spacing:-.6px;text-align:center;margin-bottom:12px;
  background:linear-gradient(120deg,#16233f,var(--lt));-webkit-background-clip:text;
  -webkit-text-fill-color:transparent;background-clip:text}
.section-sub{color:var(--mu);text-align:center;max-width:640px;margin:0 auto 48px;font-size:16px}

/* ===== stats ===== */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px}
.stat{text-align:center;background:var(--card);border:1px solid var(--border);border-radius:22px;padding:32px 20px;
  box-shadow:0 4px 18px rgba(26,58,138,.06);transition:border-color .2s,transform .2s}
.stat:hover{border-color:var(--border-h);transform:translateY(-4px)}
.stat .val{font-size:42px;font-weight:800;font-family:'Space Grotesk',sans-serif;
  background:linear-gradient(120deg,#16233f,var(--a));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat .lbl{color:var(--mu);font-size:13px;margin-top:6px}

/* ===== feature bento ===== */
.bento{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.feature{position:relative;background:var(--card);border:1px solid var(--border);border-radius:24px;padding:30px;
  overflow:hidden;box-shadow:0 4px 18px rgba(26,58,138,.06);transition:border-color .2s,transform .2s,box-shadow .2s}
.feature:hover{border-color:var(--border-h);box-shadow:var(--glow);transform:translateY(-4px)}
.feature::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--p),transparent);opacity:0;transition:opacity .3s}
.feature:hover::before{opacity:1}
.feature .ic{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(79,124,255,.15),rgba(138,92,255,.1));color:#3b6bff;margin-bottom:18px}
.feature h3{font-size:19px;color:var(--tx);margin-bottom:8px}
.feature p{color:var(--mu);font-size:14.5px}

/* ===== kategori (tilt cards) ===== */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{position:relative;background:var(--card);border:1px solid var(--border);border-radius:22px;padding:28px;
  box-shadow:0 4px 18px rgba(26,58,138,.06);transition:border-color .22s,box-shadow .22s;will-change:transform}
.card:hover{border-color:var(--border-h);box-shadow:var(--glow)}
.card .ic{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(79,124,255,.15),rgba(138,92,255,.1));color:#3b6bff;margin-bottom:18px}
.card h3{color:var(--d);font-size:18px;margin-bottom:8px}
.card p{color:var(--mu);font-size:14.5px}
.card .tag{position:absolute;top:20px;right:20px;font-size:11px;font-weight:700;color:#0d9668;
  background:rgba(40,214,149,.12);border:1px solid rgba(40,214,149,.3);padding:4px 10px;border-radius:20px}

/* ===== steps ===== */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;position:relative}
.step{text-align:center;background:var(--card);border:1px solid var(--border);border-radius:22px;padding:34px 24px;
  box-shadow:0 4px 18px rgba(26,58,138,.06);transition:border-color .2s,transform .2s}
.step:hover{border-color:var(--border-h);transform:translateY(-4px)}
.step .num{width:54px;height:54px;line-height:54px;border-radius:50%;margin:0 auto 18px;font-weight:800;font-size:20px;
  font-family:'Space Grotesk',sans-serif;background:linear-gradient(135deg,var(--p),var(--a));color:#fff;
  box-shadow:0 8px 24px rgba(79,124,255,.4)}
.step h3{font-size:17px;color:var(--tx);margin-bottom:8px}
.step p{color:var(--mu);font-size:14px}

/* ===== FAQ ===== */
details{background:var(--card);border:1px solid var(--border);border-radius:16px;
  margin-bottom:12px;padding:20px 24px;box-shadow:0 4px 16px rgba(26,58,138,.05);transition:border-color .2s}
details:hover{border-color:var(--border-h)}
summary{cursor:pointer;font-weight:700;color:var(--tx);font-size:16px;list-style:none;display:flex;justify-content:space-between;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--p);font-size:22px;font-weight:600;transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--mu);margin-top:14px;font-size:15px}
details a{color:#2f5fe8;font-weight:600}

/* ===== CTA banner ===== */
.cta-banner{position:relative;overflow:hidden;border-radius:28px;padding:60px 40px;text-align:center;
  background:linear-gradient(120deg,rgba(79,124,255,.12),rgba(138,92,255,.12));border:1px solid var(--border-h)}
.cta-banner::before{content:"";position:absolute;inset:-60px;background:
  radial-gradient(circle at 20% 20%,rgba(79,124,255,.3),transparent 45%),
  radial-gradient(circle at 80% 80%,rgba(138,92,255,.3),transparent 45%);filter:blur(30px);z-index:-1}
.cta-banner h2{margin-bottom:14px}
.cta-banner p{color:var(--mu);max-width:520px;margin:0 auto 30px}

/* ===== artikel ===== */
article{max-width:760px;margin:0 auto}
article h2{text-align:left;margin:32px 0 12px;font-size:26px}
article p{color:var(--mu);margin:14px 0;font-size:16px}
article ul{color:var(--mu);margin:14px 0 14px 24px}
article li{margin:8px 0}
article a{color:#2f5fe8;font-weight:600}

/* ===== footer ===== */
footer{background:#eef3ff;border-top:1px solid var(--border);margin-top:70px;padding:48px 0 0}
.footer-inner{display:flex;flex-wrap:wrap;gap:32px;justify-content:space-between}
.footer-col h4{color:var(--tx);font-size:15px;margin-bottom:16px}
.footer-col a{display:block;color:var(--mu);font-size:14px;margin:9px 0;transition:color .2s}
.footer-col a:hover{color:var(--d)}
.copyright{text-align:center;color:var(--mu);font-size:13px;padding:26px 0;border-top:1px solid var(--border);margin-top:32px}
.copyright a{color:#2f5fe8;font-weight:600}

/* ===== reveal animation ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:640px){
  .hero{padding:64px 20px 30px}
  .hero h1{font-size:32px}
  .bento{grid-template-columns:1fr}
  nav a:not(.btn){display:none}
  h2{font-size:26px}
  .showcase{max-width:100%}
}