/* ==========================================================================
   789BINGO PH Guide — "Midnight Fiesta" design system
   Author: Dexter Long (dexlong@789bingo.com)
   Single stylesheet, no frameworks, no web fonts, no JavaScript.
   ========================================================================== */

/* ---------- Tokens ---------- */
:root{
  --ink:#f4f1ff;
  --ink-soft:#bdb4dd;
  --ink-mute:#8f86b4;
  --bg:#0c0620;
  --bg-2:#150b33;
  --panel:#1b1040;
  --panel-2:#221551;
  --line:#33235f;
  --lime:#c9ff3d;
  --magenta:#ff3d8f;
  --gold:#ffc53d;
  --cyan:#3de0ff;
  --ok:#3ddc97;
  --radius:18px;
  --radius-sm:10px;
  --wrap:1140px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.9);
  --glow-lime:0 0 0 1px rgba(201,255,61,.35), 0 10px 30px -12px rgba(201,255,61,.45);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font:400 17px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  background-image:
    radial-gradient(1000px 520px at 82% -8%, rgba(255,61,143,.20), transparent 60%),
    radial-gradient(900px 480px at 8% 4%, rgba(61,224,255,.14), transparent 62%),
    radial-gradient(1200px 700px at 50% 100%, rgba(201,255,61,.07), transparent 60%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img,svg{max-width:100%;height:auto;display:block}
a{color:var(--lime);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.18;margin:0 0 .5em;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(2rem,5.2vw,3.35rem)}
h2{font-size:clamp(1.5rem,3.4vw,2.1rem);margin-top:1.6em}
h3{font-size:clamp(1.15rem,2.2vw,1.35rem);margin-top:1.5em}
p,ul,ol{margin:0 0 1.1em}
ul,ol{padding-left:1.25em}
li{margin:.4em 0}
small{font-size:.85rem}
hr{border:0;border-top:1px solid var(--line);margin:2.5rem 0}
code{background:#0a0518;border:1px solid var(--line);padding:.12em .42em;border-radius:6px;font-size:.9em}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;z-index:99;background:var(--lime);color:#0c0620;padding:10px 16px;border-radius:8px}
:focus-visible{outline:3px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(12,6,32,.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:70px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:9px;font-weight:900;font-size:1.32rem;letter-spacing:-.04em;color:var(--ink);text-decoration:none;flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand-mark{
  background:linear-gradient(135deg,var(--lime),var(--cyan));
  color:#0c0620;padding:5px 9px;border-radius:9px;
  font-variant-numeric:tabular-nums;box-shadow:var(--glow-lime);
}
.brand-word{color:var(--ink)}
.brand-word em{font-style:normal;color:var(--magenta)}
.nav{display:flex;gap:4px;align-items:center;margin-left:auto;overflow-x:auto;scrollbar-width:none;max-width:100%}
.nav::-webkit-scrollbar{display:none}
.nav a{
  color:var(--ink-soft);font-weight:650;font-size:.95rem;
  padding:9px 12px;border-radius:9px;white-space:nowrap;text-decoration:none;
}
.nav a:hover{background:var(--panel);color:var(--ink);text-decoration:none}
.nav a[aria-current="page"]{color:var(--lime);background:rgba(201,255,61,.10)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-block;font-weight:800;font-size:.97rem;letter-spacing:.01em;
  padding:13px 22px;border-radius:999px;text-decoration:none;white-space:nowrap;
  border:1px solid transparent;transition:transform .15s ease, box-shadow .15s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-cta{background:linear-gradient(135deg,var(--lime),#8ff03a);color:#0c0620;box-shadow:var(--glow-lime)}
.btn-alt{background:linear-gradient(135deg,var(--magenta),#ff7a3d);color:#fff;box-shadow:0 10px 30px -12px rgba(255,61,143,.7)}
.btn-ghost{border-color:var(--line);color:var(--ink);background:var(--panel)}
.btn-sm{padding:9px 16px;font-size:.88rem}
.header-inner .btn{padding:11px 18px;font-size:.9rem;flex:0 0 auto}

/* ---------- Hero ---------- */
.hero{padding:62px 0 34px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.76rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);background:rgba(255,197,61,.10);
  border:1px solid rgba(255,197,61,.30);padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
.hero h1 span{
  background:linear-gradient(120deg,var(--lime),var(--cyan) 55%,var(--magenta));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{font-size:1.14rem;color:var(--ink-soft);max-width:60ch}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 18px}
.hero-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--ink-mute);font-size:.85rem}
.hero-art{position:relative}
.hero-art img{border-radius:22px;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--bg-2)}
.hero-art-link{display:block;position:relative;border-radius:22px;text-decoration:none;transition:transform .18s ease}
.hero-art-link:hover,.hero-art-link:focus-visible{text-decoration:none;transform:translateY(-4px)}
.hero-art-link:hover img,.hero-art-link:focus-visible img{border-color:var(--lime)}
.hero-art-cta{
  position:absolute;right:5%;bottom:6%;
  background:linear-gradient(135deg,var(--lime),#8ff03a);color:#0c0620;
  font-weight:900;font-size:.92rem;letter-spacing:.01em;
  padding:11px 20px;border-radius:999px;white-space:nowrap;
  box-shadow:var(--glow-lime);
}

/* ---------- Generic sections ---------- */
main{display:block}
.section{padding:44px 0}
.section-head{max-width:70ch;margin-bottom:26px}
.section-head p{color:var(--ink-soft);margin-bottom:0}

/* ---------- Cards / grids ---------- */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:linear-gradient(180deg,var(--panel),var(--bg-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.card::after{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,var(--lime),var(--cyan),var(--magenta));opacity:.65}
.card h3{margin-top:0}
.card p:last-child,.card ul:last-child{margin-bottom:0}
.card-num{
  font-size:.78rem;font-weight:900;letter-spacing:.12em;color:var(--cyan);
  text-transform:uppercase;display:block;margin-bottom:8px;
}
.stat{text-align:center;padding:20px 14px}
.stat b{display:block;font-size:1.75rem;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.stat span{font-size:.82rem;color:var(--ink-mute);text-transform:uppercase;letter-spacing:.09em;font-weight:700}

/* ---------- Ticket (bingo card) callout ---------- */
.ticket{
  background:
    radial-gradient(circle at 0 50%, transparent 13px, var(--panel-2) 14px) left / 51% 100% no-repeat,
    radial-gradient(circle at 100% 50%, transparent 13px, var(--panel-2) 14px) right / 51% 100% no-repeat;
  border-radius:var(--radius);padding:26px 30px;margin:30px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.ticket h3{margin-top:0;color:var(--gold)}
.ticket p:last-child{margin-bottom:0}

/* ---------- Callouts ---------- */
.note,.warn,.tip{
  border-left:4px solid var(--cyan);background:rgba(61,224,255,.07);
  padding:16px 20px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:1.6em 0;
}
.warn{border-left-color:var(--magenta);background:rgba(255,61,143,.08)}
.tip{border-left-color:var(--lime);background:rgba(201,255,61,.07)}
.note p:last-child,.warn p:last-child,.tip p:last-child{margin-bottom:0}
.note strong,.warn strong,.tip strong{color:var(--ink)}

/* ---------- CTA band ---------- */
.cta-band{
  margin:52px 0;padding:38px 34px;border-radius:26px;text-align:center;
  background:linear-gradient(135deg,rgba(255,61,143,.18),rgba(61,224,255,.14) 55%,rgba(201,255,61,.16));
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.cta-band h2{margin-top:0}
.cta-band p{color:var(--ink-soft);max-width:62ch;margin-inline:auto}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:22px}
.cta-band small{display:block;margin-top:16px;color:var(--ink-mute)}

/* ---------- Article ---------- */
.article{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;padding:36px 0 10px}
.prose{max-width:74ch;font-size:1.045rem}
.prose h2{border-bottom:1px solid var(--line);padding-bottom:.35em}
.prose a{text-decoration:underline;text-underline-offset:3px}
.prose figure{margin:2em 0}
.prose figure img{border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-2)}
.prose figcaption{color:var(--ink-mute);font-size:.86rem;margin-top:10px;text-align:center}
.prose blockquote{
  margin:1.8em 0;padding:4px 0 4px 22px;border-left:4px solid var(--gold);
  color:var(--ink-soft);font-size:1.06rem;
}

.byline{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;color:var(--ink-mute);font-size:.88rem;margin:0 0 26px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.byline a{color:var(--ink-soft)}
.badge{
  display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;background:rgba(201,255,61,.12);color:var(--lime);border:1px solid rgba(201,255,61,.3);
}
.badge.upd{background:rgba(61,224,255,.12);color:var(--cyan);border-color:rgba(61,224,255,.3)}

.crumbs{font-size:.84rem;color:var(--ink-mute);padding:18px 0 0}
.crumbs a{color:var(--ink-soft)}
.crumbs span{opacity:.5;padding:0 6px}

/* ---------- Sidebar ---------- */
.side{position:sticky;top:92px;align-self:start;font-size:.94rem}
.side .card{padding:20px}
.side h3{font-size:1rem;margin:0 0 12px;text-transform:uppercase;letter-spacing:.1em;color:var(--cyan);font-size:.8rem}
.side ul{list-style:none;padding:0;margin:0}
.side li{margin:0;border-bottom:1px solid var(--line)}
.side li:last-child{border-bottom:0}
.side li a{display:block;padding:9px 0;color:var(--ink-soft);font-weight:600;text-decoration:none}
.side li a:hover{color:var(--lime)}

/* ---------- TOC ---------- */
.toc{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;margin:0 0 30px}
.toc strong{display:block;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);margin-bottom:10px}
.toc ol{margin:0;padding-left:1.2em;columns:2;column-gap:26px}
.toc li{margin:.3em 0}
.toc a{color:var(--ink-soft);text-decoration:none}
.toc a:hover{color:var(--lime)}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;margin:1.8em 0;border:1px solid var(--line);border-radius:var(--radius)}
table{border-collapse:collapse;width:100%;font-size:.95rem;min-width:520px}
th,td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--panel-2);font-weight:800;color:var(--ink);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase}
tbody tr:last-child td{border-bottom:0}
tbody tr:nth-child(even){background:rgba(255,255,255,.017)}

/* ---------- Post list ---------- */
.post-list{display:grid;gap:18px;grid-template-columns:repeat(2,minmax(0,1fr))}
.post{display:flex;flex-direction:column}
.post .badge{align-self:flex-start;margin-bottom:12px}
.post h3{margin:0 0 8px;font-size:1.16rem}
.post h3 a{color:var(--ink);text-decoration:none}
.post h3 a:hover{color:var(--lime)}
.post p{color:var(--ink-soft);font-size:.95rem;margin-bottom:14px}
.post .meta{margin-top:auto;font-size:.8rem;color:var(--ink-mute);display:flex;gap:12px;flex-wrap:wrap}

/* ---------- FAQ (no JS) ---------- */
details.faq{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0;margin:0 0 12px;overflow:hidden;
}
details.faq summary{
  cursor:pointer;padding:16px 20px;font-weight:700;list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";color:var(--lime);font-weight:900;font-size:1.3rem;line-height:1}
details.faq[open] summary::after{content:"\2013"}
details.faq[open] summary{border-bottom:1px solid var(--line);color:var(--lime)}
details.faq .faq-body{padding:16px 20px 4px;color:var(--ink-soft)}
details.faq .faq-body p:last-child{margin-bottom:.9em}

/* ---------- Link cloud (internal linking blocks) ---------- */
.linkcloud{display:flex;flex-wrap:wrap;gap:10px;margin:1.4em 0}
.linkcloud a{
  background:var(--panel);border:1px solid var(--line);border-radius:999px;
  padding:8px 15px;font-size:.87rem;font-weight:650;color:var(--ink-soft);text-decoration:none;
}
.linkcloud a:hover{border-color:var(--lime);color:var(--lime)}

/* ---------- AI disclosure ---------- */
.ai-note{
  border:1px dashed var(--line);border-radius:var(--radius-sm);
  padding:14px 18px;margin:2em 0 0;font-size:.87rem;color:var(--ink-mute);
  background:rgba(255,255,255,.02);
}
.ai-note strong{color:var(--ink-soft)}

/* ---------- Author box ---------- */
.authorbox{display:grid;grid-template-columns:78px 1fr;gap:20px;align-items:start;margin:2.6em 0 0}
.avatar{
  width:78px;height:78px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--magenta),var(--gold));
  color:#150b33;font-weight:900;font-size:1.5rem;letter-spacing:-.04em;
}
.authorbox h3{margin:0 0 4px;font-size:1.1rem}
.authorbox p{margin:0 0 .6em;color:var(--ink-soft);font-size:.94rem}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:70px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(27,16,64,.55),rgba(12,6,32,1));
  padding:52px 0 34px;font-size:.92rem;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.foot-grid h4{font-size:.78rem;letter-spacing:.13em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.foot-grid ul{list-style:none;padding:0;margin:0}
.foot-grid li{margin:.45em 0}
.foot-grid a{color:var(--ink-soft);text-decoration:none}
.foot-grid a:hover{color:var(--lime)}
.foot-about p{color:var(--ink-mute);font-size:.9rem;max-width:42ch}
.age-badges{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 0}
.age{
  display:inline-grid;place-items:center;min-width:52px;height:52px;border-radius:50%;
  border:2px solid var(--magenta);color:var(--magenta);font-weight:900;font-size:.95rem;
}
.rg-pill{
  display:inline-flex;align-items:center;padding:0 16px;height:52px;border-radius:999px;
  border:1px solid var(--line);color:var(--ink-soft);font-weight:700;font-size:.82rem;
}
.foot-bottom{
  margin-top:38px;padding-top:24px;border-top:1px solid var(--line);
  color:var(--ink-mute);font-size:.85rem;display:grid;gap:14px;
}
.foot-bottom p{margin:0}
.foot-legal{display:flex;flex-wrap:wrap;gap:8px 16px}
.foot-legal a{color:var(--ink-mute)}

/* ---------- Utilities ---------- */
.center{text-align:center}
.mt0{margin-top:0}
.muted{color:var(--ink-mute)}
.soft{color:var(--ink-soft)}
.nowrap{white-space:nowrap}

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .article{grid-template-columns:1fr;gap:34px}
  .side{position:static}
  .g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:680px){
  body{font-size:16px}
  .header-inner{min-height:62px;gap:10px}
  .nav{order:3;width:100%;margin-left:0;padding-bottom:8px;border-top:1px solid var(--line);padding-top:6px}
  .header-inner .btn{margin-left:auto}
  .hero{padding:36px 0 18px}
  .g2,.g3,.g4,.post-list{grid-template-columns:1fr}
  .toc ol{columns:1}
  .cta-band{padding:28px 20px}
  .ticket{padding:22px 20px}
  .foot-grid{grid-template-columns:1fr}
  .authorbox{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media print{
  .site-header,.site-footer,.cta-band,.side,.linkcloud{display:none}
  body{background:#fff;color:#000}
}