/* =========================================================
   gbd33.click  -  Mobile-first HTML5 gaming portal
   Prefix : gb51-  |  Palette : pink/rose on deep navy
   ========================================================= */

:root{
  --gb51-pink-soft:#FFC0CB;
  --gb51-pink-deep:#FF1493;
  --gb51-navy:#0E1621;
  --gb51-navy-2:#16273a;
  --gb51-salmon:#FA8072;
  --gb51-text:#FDF6F8;
  --gb51-muted:#c9b6c4;
  --gb51-gold:#ffd56b;
  --gb51-line:rgba(255,192,203,.18);
  --gb51-shadow:0 8px 22px rgba(255,20,147,.18);
}

*{box-sizing:border-box;margin:0;padding:0;}
html,body{background:var(--gb51-navy);color:var(--gb51-text);font-family:"Noto Sans Bengali","Hind Siliguri","Segoe UI",system-ui,sans-serif;}
html{scroll-behavior:smooth;}
body{min-height:100vh;line-height:1.6;font-size:15px;overflow-x:hidden;}
img{max-width:100%;display:block;}
a{color:var(--gb51-pink-soft);text-decoration:none;transition:color .2s;}
a:hover{color:var(--gb51-pink-deep);}
ul,ol{list-style:none;}

/* ============ Layout container ============ */
.gb51-wrap{width:100%;max-width:430px;margin:0 auto;background:linear-gradient(180deg,#0E1621 0%,#15202e 60%,#0E1621 100%);min-height:100vh;position:relative;box-shadow:0 0 40px rgba(0,0,0,.4);}

/* ============ Header ============ */
.gb51-header{position:sticky;top:0;z-index:1000;background:rgba(14,22,33,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--gb51-line);padding:10px 14px;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.gb51-logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:18px;color:#fff;letter-spacing:.5px;}
.gb51-logo .gb51-badge{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--gb51-pink-deep),var(--gb51-salmon));display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;box-shadow:var(--gb51-shadow);}
.gb51-logo small{display:block;font-size:10px;color:var(--gb51-muted);font-weight:500;letter-spacing:0;}
.gb51-head-actions{display:flex;align-items:center;gap:8px;}
.gb51-btn{border:none;cursor:pointer;font-family:inherit;font-weight:700;border-radius:22px;padding:9px 16px;font-size:13px;display:inline-flex;align-items:center;gap:6px;transition:transform .15s, box-shadow .15s;}
.gb51-btn:active{transform:scale(.96);}
.gb51-btn.gb51-login{background:transparent;color:var(--gb51-pink-soft);border:1.5px solid var(--gb51-pink-soft);}
.gb51-btn.gb51-register{background:linear-gradient(135deg,var(--gb51-pink-deep),var(--gb51-salmon));color:#fff;box-shadow:var(--gb51-shadow);}
.gb51-icon-btn{width:38px;height:38px;border-radius:50%;background:var(--gb51-navy-2);border:1px solid var(--gb51-line);color:var(--gb51-pink-soft);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:18px;}

/* ============ Mobile menu ============ */
.gb51-menu-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:9998;opacity:0;visibility:hidden;transition:.25s;}
.gb51-menu-backdrop.gb51-open{opacity:1;visibility:visible;}
.gb51-menu{position:fixed;top:0;right:-86%;width:80%;max-width:340px;height:100%;background:linear-gradient(180deg,#15202e,#0E1621);z-index:9999;padding:22px 18px;overflow-y:auto;transition:right .3s ease;border-left:1px solid var(--gb51-line);}
.gb51-menu.gb51-open{right:0;}
.gb51-menu h3{color:var(--gb51-pink-soft);font-size:14px;margin:18px 0 8px;letter-spacing:1px;text-transform:uppercase;}
.gb51-menu .gb51-close{position:absolute;top:14px;right:14px;background:var(--gb51-navy-2);border:none;width:34px;height:34px;border-radius:50%;color:#fff;font-size:18px;cursor:pointer;}
.gb51-menu a.gb51-menu-link{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:10px;color:var(--gb51-text);border:1px solid transparent;font-size:14px;}
.gb51-menu a.gb51-menu-link:hover{background:rgba(255,20,147,.12);border-color:var(--gb51-line);}
.gb51-menu a.gb51-menu-link i{color:var(--gb51-salmon);width:22px;text-align:center;}

/* ============ Hero ============ */
.gb51-hero{position:relative;padding:18px 14px 8px;}
.gb51-hero-card{border-radius:18px;overflow:hidden;position:relative;background:linear-gradient(135deg,rgba(255,20,147,.85),rgba(250,128,114,.7));padding:18px;box-shadow:var(--gb51-shadow);}
.gb51-hero h1{font-size:22px;line-height:1.3;color:#fff;margin-bottom:6px;font-weight:800;}
.gb51-hero p{color:#fff;font-size:13px;opacity:.95;margin-bottom:12px;}
.gb51-hero .gb51-cta{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--gb51-pink-deep);font-weight:800;padding:10px 18px;border-radius:24px;font-size:14px;box-shadow:0 4px 14px rgba(0,0,0,.25);}
.gb51-hero-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px;}
.gb51-hero-badges span{background:rgba(255,255,255,.22);color:#fff;padding:4px 10px;border-radius:14px;font-size:11px;font-weight:600;}

/* ============ Promo marquee ============ */
.gb51-marquee{background:linear-gradient(90deg,var(--gb51-pink-deep),var(--gb51-salmon));color:#fff;padding:8px 0;overflow:hidden;white-space:nowrap;margin:10px 0;}
.gb51-marquee span{display:inline-block;padding-left:100%;animation:gb51-scroll 22s linear infinite;font-size:13px;font-weight:600;}
@keyframes gb51-scroll{to{transform:translateX(-100%);}}

/* ============ Section ============ */
.gb51-section{padding:14px;}
.gb51-section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.gb51-section-head h2{font-size:18px;color:#fff;display:flex;align-items:center;gap:8px;}
.gb51-section-head h2 i{color:var(--gb51-salmon);}
.gb51-section-head a{font-size:12px;color:var(--gb51-pink-soft);}

/* ============ Category tabs ============ */
.gb51-cats{display:flex;gap:8px;overflow-x:auto;padding:6px 14px 12px;scrollbar-width:none;}
.gb51-cats::-webkit-scrollbar{display:none;}
.gb51-cat{flex:0 0 auto;background:var(--gb51-navy-2);border:1px solid var(--gb51-line);color:var(--gb51-text);padding:8px 16px;border-radius:20px;font-size:13px;font-weight:700;display:flex;align-items:center;gap:6px;cursor:pointer;}
.gb51-cat.gb51-active{background:linear-gradient(135deg,var(--gb51-pink-deep),var(--gb51-salmon));color:#fff;border-color:transparent;}

/* ============ Game grid ============ */
.gb51-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.gb51-card{background:var(--gb51-navy-2);border-radius:12px;overflow:hidden;border:1px solid var(--gb51-line);transition:transform .15s;cursor:pointer;position:relative;}
.gb51-card:active{transform:scale(.96);}
.gb51-card .gb51-thumb{aspect-ratio:1;overflow:hidden;background:#000;}
.gb51-card .gb51-thumb img{width:100%;height:100%;object-fit:cover;}
.gb51-card .gb51-name{padding:6px 8px;font-size:11px;color:var(--gb51-text);text-align:center;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.gb51-card .gb51-play{position:absolute;inset:0;background:rgba(14,22,33,.55);display:flex;align-items:center;justify-content:center;opacity:0;transition:.2s;}
.gb51-card:hover .gb51-play{opacity:1;}
.gb51-card .gb51-play span{background:var(--gb51-pink-deep);color:#fff;padding:6px 14px;border-radius:18px;font-size:12px;font-weight:700;}

/* ============ Promo banner grid ============ */
.gb51-promo-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.gb51-promo{border-radius:14px;padding:14px;color:#fff;position:relative;overflow:hidden;min-height:96px;display:flex;flex-direction:column;justify-content:center;}
.gb51-promo h3{font-size:15px;font-weight:800;margin-bottom:4px;}
.gb51-promo p{font-size:11px;opacity:.9;}
.gb51-promo.p1{background:linear-gradient(135deg,#FF1493,#FA8072);}
.gb51-promo.p2{background:linear-gradient(135deg,#FFC0CB,#FF1493);}
.gb51-promo.p3{background:linear-gradient(135deg,#3a1f4d,#FF1493);}
.gb51-promo.p4{background:linear-gradient(135deg,#16273a,#FA8072);}

/* ============ SEO content ============ */
.gb51-seo{padding:14px;background:var(--gb51-navy-2);border-radius:14px;border:1px solid var(--gb51-line);margin:6px 14px;font-size:13px;color:var(--gb51-muted);}
.gb51-seo h2{color:#fff;font-size:16px;margin-bottom:8px;}
.gb51-seo h3{color:var(--gb51-pink-soft);font-size:14px;margin:12px 0 6px;}
.gb51-seo p{margin-bottom:8px;}
.gb51-seo a{color:var(--gb51-pink-soft);text-decoration:underline;}

/* ============ FAQ ============ */
.gb51-faq{margin:6px 14px;}
.gb51-faq-item{background:var(--gb51-navy-2);border:1px solid var(--gb51-line);border-radius:12px;margin-bottom:8px;overflow:hidden;}
.gb51-faq-q{padding:12px 14px;font-weight:700;color:#fff;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:14px;}
.gb51-faq-q i{color:var(--gb51-salmon);transition:transform .2s;}
.gb51-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--gb51-muted);font-size:13px;}
.gb51-faq-a div{padding:0 14px 12px;}
.gb51-faq-item.gb51-open .gb51-faq-a{max-height:300px;}
.gb51-faq-item.gb51-open .gb51-faq-q i{transform:rotate(45deg);}

/* ============ Footer ============ */
.gb51-footer{background:#0a111a;padding:22px 14px 30px;border-top:1px solid var(--gb51-line);margin-top:14px;}
.gb51-footer h4{color:var(--gb51-pink-soft);font-size:13px;margin-bottom:10px;letter-spacing:1px;}
.gb51-footer-links{display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;margin-bottom:18px;}
.gb51-footer-links a{color:var(--gb51-muted);font-size:12px;padding:3px 0;}
.gb51-footer-links a:hover{color:var(--gb51-pink-soft);}
.gb51-disclaimer{font-size:11px;color:var(--gb51-muted);border-top:1px dashed var(--gb51-line);padding-top:12px;line-height:1.7;}

/* ============ Bottom nav ============ */
.gb51-bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:430px;background:rgba(14,22,33,.97);backdrop-filter:blur(12px);border-top:1px solid var(--gb51-line);display:flex;justify-content:space-around;align-items:center;padding:6px 4px 8px;z-index:1000;}
.gb51-bottom-nav .gb51-nav-btn{flex:1;background:none;border:none;color:var(--gb51-muted);cursor:pointer;font-family:inherit;display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 2px;font-size:10px;font-weight:600;border-radius:10px;transition:color .2s, transform .15s;min-width:60px;min-height:54px;}
.gb51-bottom-nav .gb51-nav-btn i,.gb51-bottom-nav .gb51-nav-btn .material-icons,.gb51-bottom-nav .gb51-nav-btn ion-icon{font-size:22px;}
.gb51-bottom-nav .gb51-nav-btn.gb51-active{color:var(--gb51-pink-deep);}
.gb51-bottom-nav .gb51-nav-btn.gb51-center{background:linear-gradient(135deg,var(--gb51-pink-deep),var(--gb51-salmon));color:#fff;border-radius:50%;width:54px;height:54px;flex:0 0 auto;min-width:auto;transform:translateY(-14px);box-shadow:var(--gb51-shadow);justify-content:center;}
.gb51-bottom-nav .gb51-nav-btn.gb51-center i{font-size:26px;}
.gb51-bottom-nav .gb51-nav-btn:active{transform:scale(.92);}
.gb51-bottom-nav .gb51-nav-btn.gb51-center:active{transform:translateY(-14px) scale(.92);}

/* Desktop hide bottom nav */
@media (min-width:769px){.gb51-bottom-nav{display:none;} main{padding-bottom:0 !important;}}

/* Bottom padding for mobile nav clearance */
main{padding-bottom:84px;}

/* Floating login strip (CTA) */
.gb51-cta-strip{margin:14px;padding:14px;border-radius:14px;background:linear-gradient(135deg,var(--gb51-pink-deep),var(--gb51-salmon));display:flex;align-items:center;justify-content:space-between;gap:10px;color:#fff;box-shadow:var(--gb51-shadow);}
.gb51-cta-strip strong{font-size:15px;display:block;}
.gb51-cta-strip small{font-size:11px;opacity:.9;}
.gb51-cta-strip button{background:#fff;color:var(--gb51-pink-deep);border:none;font-weight:800;padding:10px 16px;border-radius:20px;font-family:inherit;font-size:13px;cursor:pointer;}

/* ============ Foundation page additions ============ */
.gb51-hero-slider{display:grid;grid-template-columns:1fr;gap:10px;margin:12px 14px;}
.gb51-slide{border-radius:16px;overflow:hidden;border:1px solid var(--gb51-line);box-shadow:var(--gb51-shadow);position:relative;min-height:116px;background:var(--gb51-navy-2);}
.gb51-slide img{width:100%;height:136px;object-fit:cover;opacity:.88;}
.gb51-slide span{position:absolute;left:12px;bottom:10px;background:rgba(14,22,33,.78);color:#fff;border:1px solid var(--gb51-line);padding:6px 12px;border-radius:18px;font-weight:800;font-size:12px;}
.gb51-info-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.gb51-info-card{background:var(--gb51-navy-2);border:1px solid var(--gb51-line);border-radius:14px;padding:12px;color:var(--gb51-muted);font-size:12px;}
.gb51-info-card h3{font-size:14px;color:#fff;margin-bottom:6px;display:flex;align-items:center;gap:6px;}
.gb51-pill-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:9px;}
.gb51-pill{background:rgba(255,20,147,.14);border:1px solid var(--gb51-line);color:var(--gb51-pink-soft);border-radius:18px;padding:5px 9px;font-size:11px;font-weight:700;}
.gb51-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;}
.gb51-stat{background:linear-gradient(180deg,rgba(255,192,203,.08),rgba(255,20,147,.1));border:1px solid var(--gb51-line);border-radius:12px;padding:10px;text-align:center;}
.gb51-stat strong{display:block;color:var(--gb51-gold);font-size:18px;line-height:1.1;}
.gb51-stat span{font-size:10px;color:var(--gb51-muted);}
.gb51-text-link{color:var(--gb51-pink-soft);text-decoration:underline;font-weight:800;}
.gb51-page-title{padding:20px 14px 8px;}
.gb51-page-title h1{font-size:22px;line-height:1.3;color:#fff;margin-bottom:8px;}
.gb51-page-title p{font-size:13px;color:var(--gb51-muted);}
.gb51-steps{counter-reset:gb51step;display:grid;gap:10px;margin:6px 14px;}
.gb51-step{background:var(--gb51-navy-2);border:1px solid var(--gb51-line);border-radius:14px;padding:13px;position:relative;color:var(--gb51-muted);font-size:13px;}
.gb51-step:before{counter-increment:gb51step;content:counter(gb51step);position:absolute;right:12px;top:12px;width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--gb51-pink-deep),var(--gb51-salmon));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;}
.gb51-step h2,.gb51-step h3{color:#fff;font-size:15px;margin-bottom:7px;padding-right:34px;}
.gb51-review-box{margin:10px 14px;padding:14px;border-radius:16px;background:linear-gradient(135deg,rgba(255,20,147,.18),rgba(250,128,114,.12));border:1px solid var(--gb51-line);}
.gb51-score{display:flex;align-items:center;justify-content:space-between;gap:10px;color:#fff;}
.gb51-score strong{font-size:30px;color:var(--gb51-gold);}