/* 1777 bet casino - Bangladesh, original visual system */
:root{
  --bg:#0b1227;--bg-2:#101a3a;--panel:#142049;--panel-2:#1a2658;--ink:#eef2ff;--ink-dim:#aab3d6;--ink-mute:#7a85b2;
  --line:rgba(255,255,255,.08);--line-2:rgba(255,255,255,.14);
  --acc:#ffce3a;--acc-2:#ffa800;--ok:#2dd97b;--red:#ff5170;--blue:#3a8bff;--violet:#7b5cff;
  --radius:14px;--radius-lg:22px;--shadow:0 12px 40px rgba(0,0,0,.35);
  --maxw:1180px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Noto Sans Bengali",sans-serif;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ============ HEADER ============ */
.site-header{position:sticky;top:0;z-index:1000;width:100%;background:linear-gradient(180deg,#0b1227 0%,#0c1432 100%);border-bottom:1px solid var(--line)}
.header-inner{max-width:var(--maxw);margin:0 auto;min-height:72px;padding:0 20px;display:grid;grid-template-columns:168px minmax(0,1fr) auto;align-items:center;gap:18px}
.brand-wrap{width:168px;min-width:168px;max-width:168px;height:56px;display:flex;align-items:center;gap:10px;overflow:hidden}
.brand-mark{width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;background:linear-gradient(135deg,var(--acc),var(--acc-2));border-radius:10px;color:#0b1227;font-weight:900;font-size:14px}
.brand-text{min-width:0;line-height:1.05}
.brand-text strong,.brand-text span{display:block;max-width:105px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.brand-text strong{font-size:15px;color:#fff;letter-spacing:.2px}
.brand-text span{font-size:11px;color:var(--ink-dim);margin-top:2px}
.primary-nav{min-width:0;display:flex;align-items:center;justify-content:center;gap:clamp(6px,1vw,18px);overflow:visible;flex-wrap:nowrap}
.primary-nav a{white-space:nowrap;flex:0 1 auto;max-width:140px;overflow:hidden;text-overflow:ellipsis;line-height:1;padding:10px 8px;color:var(--ink-dim);font-size:14px;border-radius:8px;transition:.2s}
.primary-nav a:hover,.primary-nav a.active{color:#fff;background:rgba(255,255,255,.05)}
.primary-nav a.active{color:var(--acc)}
.header-actions{flex-shrink:0;display:flex;align-items:center;gap:10px;white-space:nowrap}
.btn{min-height:42px;padding:0 18px;display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;border-radius:10px;font-weight:700;font-size:14px;cursor:pointer;border:1px solid transparent;transition:.2s}
.btn-register{background:linear-gradient(135deg,var(--acc),var(--acc-2));color:#0b1227}
.btn-register:hover{filter:brightness(1.05)}
.btn-login{background:transparent;color:#fff;border-color:var(--line-2)}
.btn-login:hover{border-color:var(--acc)}
.btn-ghost{background:rgba(255,255,255,.04);color:#fff;border:1px solid var(--line-2)}
.btn-primary{background:linear-gradient(135deg,var(--acc),var(--acc-2));color:#0b1227}
.nav-toggle{display:none;width:42px;height:42px;background:rgba(255,255,255,.05);border:1px solid var(--line-2);border-radius:10px;color:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:20px;height:20px}

/* more menu */
.has-more{position:relative}
.more-btn{background:transparent;border:none;color:var(--ink-dim);cursor:pointer;padding:10px 8px;font-size:14px}
.more-btn:hover{color:#fff}
.more-panel{position:absolute;top:100%;right:0;min-width:200px;background:var(--panel);border:1px solid var(--line-2);border-radius:12px;padding:8px;display:none;box-shadow:var(--shadow)}
.more-panel.open{display:block}
.more-panel a{display:block;padding:10px 12px;color:var(--ink-dim);border-radius:8px;font-size:14px;max-width:none}
.more-panel a:hover{background:rgba(255,255,255,.05);color:#fff}

/* ============ HERO ============ */
.hero{position:relative;padding:56px 0 32px;background:radial-gradient(1200px 600px at 80% -10%,rgba(123,92,255,.22),transparent 60%),radial-gradient(900px 500px at -10% 30%,rgba(255,206,58,.12),transparent 60%)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:36px;align-items:center}
.hero h1{font-size:clamp(30px,4vw,52px);line-height:1.15;margin:0 0 18px;letter-spacing:-.5px}
.hero p.lead{font-size:17px;line-height:1.85;color:var(--ink-dim);margin:0 0 22px}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap}
.hero-image{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-2);box-shadow:var(--shadow);aspect-ratio:16/10;background:#0a0f24}
.hero-image img{width:100%;height:100%;object-fit:cover}

/* ============ SECTIONS ============ */
section{padding:64px 0;border-top:1px solid var(--line)}
section h2{font-size:clamp(26px,3vw,38px);line-height:1.25;margin:0 0 14px}
section .lead{color:var(--ink-dim);max-width:780px;line-height:1.85;font-size:16px;margin:0 0 28px}
.kicker{display:inline-block;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--acc);margin-bottom:10px}

/* cards grid */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.card{background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line-2);border-radius:var(--radius);padding:22px;transition:.25s;position:relative;overflow:hidden}
.card:hover{transform:translateY(-3px);border-color:rgba(255,206,58,.45)}
.card h3{margin:14px 0 10px;font-size:18px}
.card p{margin:0;color:var(--ink-dim);line-height:1.8;font-size:14.5px}
.card-thumb{aspect-ratio:16/10;border-radius:10px;overflow:hidden;background:#0a0f24;margin-bottom:6px}
.card-thumb img{width:100%;height:100%;object-fit:cover}
.card .tag{display:inline-block;font-size:11px;padding:4px 8px;border-radius:6px;background:rgba(255,206,58,.15);color:var(--acc);margin-bottom:8px;letter-spacing:1px}

/* prose */
.content-section{padding:72px 0}
.content-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(280px,.95fr);gap:36px;align-items:start}
.prose{max-width:820px}
.prose p{font-size:17px;line-height:1.95;margin:0 0 18px;color:#dde3ff}
.prose h2{font-size:clamp(26px,3vw,38px);line-height:1.25;margin:32px 0 14px}
.prose h3{font-size:clamp(20px,2vw,26px);line-height:1.35;margin:24px 0 10px;color:#fff}
.prose ul,.prose ol{padding-left:22px;line-height:1.95;color:#dde3ff;margin:0 0 18px}
.prose li{margin:6px 0}
.prose img{border-radius:12px;margin:18px 0;border:1px solid var(--line-2)}
.prose table{width:100%;border-collapse:collapse;margin:18px 0;background:var(--panel);border:1px solid var(--line-2);border-radius:10px;overflow:hidden}
.prose th,.prose td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:15px}
.prose th{background:#172353;color:var(--acc);font-weight:700}
.prose blockquote{margin:18px 0;padding:14px 18px;border-left:3px solid var(--acc);background:rgba(255,206,58,.06);border-radius:0 10px 10px 0;color:#eef2ff}

.side-panel{position:sticky;top:90px;background:linear-gradient(180deg,var(--panel),var(--panel-2));border:1px solid var(--line-2);border-radius:var(--radius);padding:22px}
.side-panel h4{margin:0 0 10px;font-size:16px;color:var(--acc)}
.side-panel ul{padding-left:18px;margin:0;color:var(--ink-dim);line-height:1.9;font-size:14.5px}
.side-panel a{color:var(--ink-dim)}
.side-panel a:hover{color:#fff}

/* steps */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:18px 0}
.step{background:var(--panel);border:1px solid var(--line-2);border-radius:12px;padding:18px;position:relative}
.step .n{position:absolute;top:-12px;left:14px;width:28px;height:28px;border-radius:8px;background:linear-gradient(135deg,var(--acc),var(--acc-2));color:#0b1227;display:grid;place-items:center;font-weight:900;font-size:13px}
.step h4{margin:6px 0 8px;font-size:16px}
.step p{margin:0;font-size:14px;line-height:1.8;color:var(--ink-dim)}

/* faq */
.faq{display:grid;gap:10px}
details.faq-item{background:var(--panel);border:1px solid var(--line-2);border-radius:12px;padding:16px 18px}
details.faq-item[open]{border-color:rgba(255,206,58,.45)}
details.faq-item summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;gap:10px;align-items:center;font-size:16px}
details.faq-item summary::-webkit-details-marker{display:none}
details.faq-item summary::after{content:"+";color:var(--acc);font-size:22px}
details.faq-item[open] summary::after{content:"−"}
details.faq-item p{margin:10px 0 0;color:var(--ink-dim);line-height:1.85;font-size:15px}

/* breadcrumb */
.crumb{padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink-mute);font-size:13px}
.crumb a{color:var(--ink-dim)}
.crumb a:hover{color:#fff}

/* notice */
.notice{background:linear-gradient(135deg,rgba(255,81,112,.15),rgba(255,206,58,.08));border:1px solid rgba(255,81,112,.3);border-radius:12px;padding:16px 18px;color:#ffd5dd;line-height:1.8;font-size:14.5px;margin:18px 0}

/* CTA band */
.cta-band{background:linear-gradient(135deg,#1b2a6b,#0f1840);border-top:1px solid var(--line);border-bottom:1px solid var(--line);text-align:center;padding:56px 0}
.cta-band h2{margin:0 0 12px}
.cta-band p{color:var(--ink-dim);margin:0 0 18px;max-width:680px;margin-left:auto;margin-right:auto;line-height:1.85}

/* ============ FOOTER ============ */
.site-footer{background:#070c1d;border-top:1px solid var(--line);padding:48px 0 20px;margin-top:32px}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:28px}
.foot-col h5{font-size:14px;color:var(--acc);margin:0 0 14px;letter-spacing:1px;text-transform:uppercase}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin:8px 0;font-size:14px;color:var(--ink-dim)}
.foot-col a{color:var(--ink-dim)}
.foot-col a:hover{color:#fff}
.foot-about p{color:var(--ink-dim);line-height:1.85;font-size:14px;margin:0 0 12px}
.foot-bottom{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:var(--ink-mute);font-size:13px}
.foot-bottom a{color:var(--ink-mute)}

/* mobile */
@media (max-width:1100px){
  .primary-nav a{font-size:13px;padding:10px 6px}
}
@media (max-width:900px){
  .header-inner{min-height:68px;grid-template-columns:140px 1fr auto;gap:10px}
  .brand-wrap{width:140px;min-width:140px;max-width:140px;height:48px}
  .brand-mark{width:38px;height:38px;flex-basis:38px}
  .brand-text strong,.brand-text span{max-width:86px}
  .primary-nav{position:fixed;left:12px;right:12px;top:76px;display:none;flex-direction:column;align-items:stretch;gap:0;padding:14px;border-radius:18px;background:var(--panel);border:1px solid var(--line-2);max-height:calc(100vh - 96px);overflow-y:auto;box-shadow:var(--shadow)}
  .primary-nav.is-open{display:flex}
  .primary-nav a{max-width:none;width:100%;padding:14px 12px;text-overflow:initial;font-size:15px}
  .header-actions{justify-content:flex-end;gap:6px}
  .header-actions .btn{min-height:38px;padding:0 12px;font-size:13px}
  .nav-toggle{display:inline-flex}
  .has-more{display:none}
  .hero{padding:36px 0 20px}
  .hero-grid,.content-grid{grid-template-columns:1fr;gap:22px}
  section{padding:46px 0}
  .content-section{padding:46px 0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:22px}
  .foot-about{grid-column:1/-1}
  .side-panel{position:static}
}
@media (max-width:520px){
  .foot-grid{grid-template-columns:1fr}
  .header-actions .btn-login{display:none}
}