:root{
  --bg:#12091a; --bg2:#1c1027; --card:#241533; --line:#3a2650;
  --text:#f3ecf8; --muted:#b9a8c9; --orange:#f59e0b; --pink:#f43f7a;
  --grad:linear-gradient(135deg,#f59e0b,#e11d5a);
  box-sizing:border-box;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);
  font:16px/1.65 system-ui,-apple-system,"Segoe UI","Noto Sans Tamil","Latha",Roboto,sans-serif}
a{color:var(--orange)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}

/* age notice (non-blocking so crawlers and users both see content) */
.agebar{background:#2a0f22;border-bottom:1px solid var(--pink);padding:10px 20px;
  font-size:14px;text-align:center}
.agebar button{margin-left:12px;background:var(--grad);border:0;color:#fff;
  padding:6px 14px;border-radius:6px;font-weight:600;cursor:pointer}

header{background:var(--bg2);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:12px}
header img{height:46px;width:auto;display:block}
nav a{margin-left:18px;text-decoration:none;color:var(--muted);font-weight:500}
nav a:hover{color:var(--text)}

.hero{padding:64px 0 48px;text-align:center;
  background:radial-gradient(ellipse at 50% 0%,#3b1245 0%,transparent 70%)}
.hero h1{font-size:clamp(28px,5vw,46px);line-height:1.15;margin:0 0 14px}
.hero .ta{color:var(--orange);font-size:20px;margin:0 0 14px}
.hero p.lead{max-width:680px;margin:0 auto 26px;color:var(--muted);font-size:18px}
.btn{display:inline-block;background:var(--grad);color:#fff;text-decoration:none;
  font-weight:700;padding:15px 34px;border-radius:10px;font-size:18px}
.btn:hover{filter:brightness(1.1)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid #fff;outline-offset:2px}
.sub{margin-top:12px;font-size:14px;color:var(--muted)}

section{padding:46px 0}
section h2{font-size:clamp(22px,3.4vw,30px);margin:0 0 14px}
section h3{font-size:19px;margin:0 0 6px;color:var(--orange)}
p{margin:0 0 14px}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:20px}
.alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
ol.steps{padding-left:20px}
ol.steps li{margin-bottom:8px}
ul.rules{padding-left:20px;margin:0}
ul.rules li{margin-bottom:8px}
details{background:var(--card);border:1px solid var(--line);border-radius:10px;
  padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}
details p{margin:10px 0 0;color:var(--muted)}

footer{background:#0c0612;border-top:1px solid var(--line);padding:30px 0;
  color:var(--muted);font-size:14px}
footer a{margin-right:14px}
.warn{border:1px solid var(--pink);border-radius:8px;padding:12px 16px;margin-bottom:18px;color:var(--text)}

/* ad slots: fixed height reserved so the page never jumps (good for Core Web Vitals CLS) */
.ad{max-width:970px;margin:0 auto;padding:6px 20px;text-align:center}
.ad small{display:block;font-size:11px;color:var(--muted);margin-bottom:4px}
.ad .slot{min-height:100px;display:flex;align-items:center;justify-content:center;
  border:1px dashed var(--line);border-radius:8px;color:var(--muted);font-size:13px;overflow:hidden}
.tips li{margin-bottom:10px}
.updated{font-size:13px;color:var(--muted)}
@media (max-width:600px){nav a{margin:0 14px 0 0}.hero{padding:44px 0 34px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.page{padding:44px 0 56px}
.page h1{font-size:clamp(26px,4.5vw,38px);line-height:1.2;margin:0 0 8px}
.page h2{font-size:22px;margin:34px 0 10px;color:var(--orange)}
.page .meta{color:var(--muted);font-size:14px;margin-bottom:26px}
.page ul,.page ol{padding-left:22px}
.page li{margin-bottom:8px}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.box{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:18px 0}
.box.alert{border-color:var(--pink)}
.cols{display:grid;gap:18px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}