:root{--clr-primary:#1a6b3c;--clr-primary-light:#28a745;--clr-primary-dark:#0d4a26;--clr-accent:#f5c518;--clr-accent-hover:#e6b800;--clr-bg:#0a1628;--clr-bg-alt:#0f1f3a;--clr-card:#132240;--clr-card-hover:#1a2d52;--clr-text:#e0e6ef;--clr-text-muted:#8a98b0;--clr-border:#1e3456;--clr-white:#fff;--radius-sm:6px;--radius-md:12px;--radius-lg:18px;--shadow-sm:0 2px 8px rgba(0,0,0,.15);--shadow-md:0 4px 20px rgba(0,0,0,.25);--shadow-lg:0 8px 40px rgba(0,0,0,.35);--font-stack:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"Noto Sans Bengali",sans-serif;--max-w:1180px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-stack);background:var(--clr-bg);color:var(--clr-text);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--clr-accent);text-decoration:none;transition:color .2s}
a:hover{color:var(--clr-accent-hover)}
.container{max-width:var(--max-w);margin:0 auto;padding:0 20px}

/* HEADER */
.site-header{position:sticky;top:0;z-index:1000;width:100%;background:linear-gradient(180deg,var(--clr-bg),var(--clr-bg-alt));border-bottom:2px solid var(--clr-primary);box-shadow:var(--shadow-md)}
.header-inner{max-width:var(--max-w);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;text-decoration:none;color:var(--clr-white)}
.brand-mark{width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center}
.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;color:var(--clr-white)}
.brand-text strong{font-size:18px;font-weight:800}
.brand-text span{font-size:13px;color:var(--clr-accent);font-weight:600}
.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:128px;overflow:hidden;text-overflow:ellipsis;line-height:1;padding:10px 6px;font-size:14px;font-weight:500;color:var(--clr-text);text-decoration:none;border-bottom:2px solid transparent;transition:color .2s,border-color .2s}
.primary-nav>a:hover,.primary-nav>a.active{color:var(--clr-accent);border-bottom-color:var(--clr-accent)}
.nav-more{position:relative;flex:0 0 auto}
.more-toggle{min-height:38px;padding:0 12px;border:1px solid var(--clr-border);border-radius:999px;cursor:pointer;white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;background:var(--clr-card);color:var(--clr-text);font-size:14px;font-weight:500;font-family:inherit;transition:background .2s,border-color .2s}
.more-toggle:hover{background:var(--clr-card-hover);border-color:var(--clr-accent)}
.more-menu{position:absolute;top:calc(100% + 12px);right:0;min-width:210px;padding:10px;border-radius:var(--radius-lg);z-index:1200;background:var(--clr-card);border:1px solid var(--clr-border);box-shadow:var(--shadow-lg)}
.more-menu[hidden]{display:none !important}
.nav-more.is-open .more-menu{display:grid;gap:4px}
.more-menu a{display:block;width:100%;max-width:none;padding:11px 12px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden;color:var(--clr-text);text-decoration:none;border-radius:var(--radius-sm);font-size:14px;transition:background .2s}
.more-menu a:hover,.more-menu a.active{background:var(--clr-bg);color:var(--clr-accent)}
.header-actions{flex-shrink:0;display:flex;align-items:center;gap:10px;white-space:nowrap}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;font-family:inherit;font-weight:600;text-decoration:none;border:none;cursor:pointer;transition:transform .15s,box-shadow .15s,background .2s;border-radius:var(--radius-sm);font-size:14px;line-height:1}
.btn:hover{transform:translateY(-1px)}
.btn-register{min-height:42px;padding:0 18px;background:var(--clr-primary);color:var(--clr-white)}
.btn-register:hover{background:var(--clr-primary-light);color:var(--clr-white);box-shadow:0 4px 12px rgba(26,107,60,.4)}
.btn-login{min-height:42px;padding:0 18px;background:var(--clr-accent);color:var(--clr-bg)}
.btn-login:hover{background:var(--clr-accent-hover);color:var(--clr-bg);box-shadow:0 4px 12px rgba(245,197,24,.4)}
.btn-outline{min-height:42px;padding:0 18px;background:transparent;color:var(--clr-accent);border:2px solid var(--clr-accent)}
.btn-outline:hover{background:var(--clr-accent);color:var(--clr-bg)}
.btn-lg{min-height:52px;padding:0 32px;font-size:16px;border-radius:var(--radius-md)}
.nav-toggle{display:none;width:42px;height:42px;flex-direction:column;align-items:center;justify-content:center;gap:5px;border:none;background:transparent;cursor:pointer;padding:0}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--clr-text);transition:transform .2s,opacity .2s}

/* HERO */
.hero-banner{position:relative;min-height:480px;display:flex;align-items:center;overflow:hidden;background:linear-gradient(135deg,var(--clr-primary-dark),var(--clr-bg-alt) 60%,var(--clr-primary))}
.hero-bg-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.18;z-index:0}
.hero-overlay{position:relative;z-index:1;width:100%;padding:80px 0}
.hero-banner h1{font-size:clamp(26px,4vw,48px);font-weight:800;color:var(--clr-white);line-height:1.2;margin-bottom:18px}
.hero-lead{font-size:clamp(16px,2vw,20px);color:var(--clr-text);margin-bottom:28px;max-width:720px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.page-hero{padding:48px 0 28px;background:linear-gradient(135deg,var(--clr-bg-alt),var(--clr-primary-dark));border-bottom:2px solid var(--clr-border)}
.page-hero-compact{padding:36px 0 20px}
.page-hero h1{font-size:clamp(22px,3vw,38px);font-weight:800;color:var(--clr-white);line-height:1.25;margin-top:12px}

/* BREADCRUMB */
.breadcrumb-nav{margin-bottom:8px}
.breadcrumb{list-style:none;display:flex;flex-wrap:wrap;gap:4px;font-size:13px;padding:0}
.breadcrumb li::after{content:"/";margin:0 6px;color:var(--clr-text-muted)}
.breadcrumb li:last-child::after{display:none}
.breadcrumb a{color:var(--clr-accent)}
.breadcrumb span{color:var(--clr-text-muted)}

/* CONTENT */
.content-section{padding:72px 0}
.section-alt{background:var(--clr-bg-alt)}
.section-heading{font-size:clamp(24px,3vw,38px);font-weight:800;color:var(--clr-white);text-align:center;margin-bottom:18px}
.section-intro{text-align:center;max-width:720px;margin:0 auto 42px;color:var(--clr-text-muted);font-size:17px}
.content-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:36px;align-items:start}
.prose{max-width:820px}
.prose p{font-size:17px;line-height:1.9;margin:0 0 18px;color:var(--clr-text)}
.prose h2{font-size:clamp(22px,2.5vw,36px);line-height:1.25;margin:42px 0 18px;color:var(--clr-white);font-weight:700}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:clamp(18px,2vw,26px);line-height:1.35;margin:28px 0 12px;color:var(--clr-accent);font-weight:600}
.prose ul,.prose ol{margin:0 0 18px 24px}
.prose li{margin-bottom:8px;font-size:16px;line-height:1.7}
.prose a{color:var(--clr-accent);border-bottom:1px solid transparent}
.prose a:hover{border-bottom-color:var(--clr-accent)}
.sidebar-visual{display:flex;flex-direction:column;gap:24px}
.sidebar-visual img{border-radius:var(--radius-md);box-shadow:var(--shadow-md)}
.content-image,.content-image-wide{border-radius:var(--radius-md);margin:36px auto;box-shadow:var(--shadow-md);max-width:900px}
.content-image-wide{max-width:var(--max-w);padding:0 20px}

/* FEATURE GRID */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px}
.feature-card{background:var(--clr-card);border:1px solid var(--clr-border);border-radius:var(--radius-md);padding:28px;text-align:center;transition:transform .2s,border-color .2s,box-shadow .2s}
.feature-card:hover{transform:translateY(-4px);border-color:var(--clr-primary);box-shadow:var(--shadow-md)}
.feature-icon{font-size:36px;margin-bottom:14px}
.feature-card h3{font-size:18px;font-weight:700;color:var(--clr-white);margin-bottom:10px}
.feature-card p{font-size:15px;color:var(--clr-text-muted);line-height:1.65;margin:0}

/* GAME CARDS */
.game-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.game-card{display:block;background:var(--clr-card);border:1px solid var(--clr-border);border-radius:var(--radius-md);overflow:hidden;text-decoration:none;transition:transform .2s,box-shadow .2s}
.game-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(26,107,60,.3)}
.game-card-img{width:100%;height:180px;object-fit:cover;margin:0;border-radius:0;box-shadow:none}
.game-card-body{padding:20px}
.game-card-body h3{font-size:18px;font-weight:700;color:var(--clr-white);margin-bottom:8px}
.game-card-body p{font-size:14px;color:var(--clr-text-muted);margin:0;line-height:1.6}

/* STEPS */
.steps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px}
.step-card{background:var(--clr-card);border:1px solid var(--clr-border);border-radius:var(--radius-md);padding:28px;text-align:center}
.step-number{width:48px;height:48px;border-radius:50%;background:var(--clr-primary);color:var(--clr-white);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin:0 auto 16px}
.step-card h3{font-size:17px;font-weight:700;color:var(--clr-white);margin-bottom:10px}
.step-card p{font-size:15px;color:var(--clr-text-muted);margin:0;line-height:1.6}
.steps-list{display:flex;flex-direction:column;gap:24px;margin:24px 0}
.step-item{background:var(--clr-card);border:1px solid var(--clr-border);border-radius:var(--radius-md);padding:24px;border-left:4px solid var(--clr-primary)}
.step-num{display:inline-block;background:var(--clr-primary);color:var(--clr-white);padding:4px 14px;border-radius:var(--radius-sm);font-weight:700;font-size:13px;margin-bottom:10px}
.step-item h3{font-size:18px;color:var(--clr-white);margin-bottom:8px}
.step-item p{font-size:15px;color:var(--clr-text-muted);margin:0;line-height:1.7}

/* PRICING */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.pricing-card{background:var(--clr-card);border:2px solid var(--clr-border);border-radius:var(--radius-md);padding:36px;text-align:center;transition:transform .2s}
.pricing-card:hover{transform:translateY(-4px)}
.pricing-featured{background:linear-gradient(135deg,var(--clr-primary-dark),var(--clr-primary));border-color:var(--clr-accent)}
.pricing-card h3{font-size:22px;font-weight:800;color:var(--clr-white);margin-bottom:12px}
.pricing-value{font-size:32px;font-weight:900;color:var(--clr-accent);margin-bottom:20px}
.pricing-card ul{list-style:none;padding:0;margin:0 0 24px;text-align:left}
.pricing-card li{padding:8px 0;border-bottom:1px solid var(--clr-border);color:var(--clr-text);font-size:15px}
.pricing-card li::before{content:"\2713 ";color:var(--clr-primary-light);font-weight:700;margin-right:8px}

/* HIGHLIGHT & RESPONSIBLE */
.highlight-box{background:var(--clr-card);border:2px solid var(--clr-accent);border-radius:var(--radius-lg);padding:36px}
.highlight-box h2{color:var(--clr-accent);margin-top:0}
.responsible-box{background:var(--clr-card);border-radius:var(--radius-lg);padding:42px;border-top:4px solid var(--clr-primary)}
.responsible-box h2{color:var(--clr-primary-light);margin-top:0;text-align:center;margin-bottom:18px}
.responsible-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;margin:24px 0}
.responsible-item{padding:20px;background:var(--clr-bg);border-radius:var(--radius-md);border:1px solid var(--clr-border)}
.responsible-item h3{font-size:17px;color:var(--clr-accent);margin-bottom:8px}
.responsible-item p{font-size:15px;color:var(--clr-text-muted);margin:0;line-height:1.65}

/* TESTIMONIALS */
.testimonial-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.testimonial-card{background:var(--clr-card);border-left:4px solid var(--clr-primary);border-radius:var(--radius-md);padding:28px}
.testimonial-stars{color:var(--clr-accent);font-size:18px;margin-bottom:12px}
.testimonial-card p{font-size:15px;color:var(--clr-text);line-height:1.7;margin-bottom:14px;font-style:italic}
.testimonial-card strong{color:var(--clr-white);display:block;font-size:15px}
.testimonial-card span{color:var(--clr-text-muted);font-size:13px}

/* FAQ */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--clr-card);border:1px solid var(--clr-border);border-radius:var(--radius-md);overflow:hidden}
.faq-question{width:100%;padding:20px 24px;display:flex;justify-content:space-between;align-items:center;gap:12px;background:none;border:none;color:var(--clr-white);font-size:16px;font-weight:600;text-align:left;cursor:pointer;font-family:inherit;transition:background .2s}
.faq-question:hover{background:var(--clr-card-hover)}
.faq-question svg{flex-shrink:0;transition:transform .2s;color:var(--clr-accent)}
.faq-item.is-open .faq-question svg{transform:rotate(180deg)}
.faq-answer{padding:0 24px;max-height:0;overflow:hidden;transition:max-height .3s ease,padding .3s}
.faq-answer[hidden]{display:block;max-height:0;padding:0 24px}
.faq-item.is-open .faq-answer{max-height:500px;padding:0 24px 20px}
.faq-answer p{font-size:15px;line-height:1.75;color:var(--clr-text-muted)}
.faq-answer a{color:var(--clr-accent)}
.faq-more-link{text-align:center;margin-top:24px;font-size:16px}

/* CTA BOX */
.cta-box{background:linear-gradient(135deg,var(--clr-primary-dark),var(--clr-primary));border-radius:var(--radius-lg);padding:48px;text-align:center;box-shadow:var(--shadow-lg)}
.cta-box h2{color:var(--clr-white);font-size:clamp(22px,3vw,34px);margin-bottom:14px}
.cta-box p{color:var(--clr-text);font-size:17px;margin-bottom:28px;max-width:600px;margin-left:auto;margin-right:auto}

/* RELATED */
.related-links-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.related-link{display:block;padding:16px 20px;background:var(--clr-card);border:1px solid var(--clr-border);border-radius:var(--radius-md);color:var(--clr-text);font-size:15px;transition:border-color .2s,background .2s}
.related-link:hover{border-color:var(--clr-primary);background:var(--clr-card-hover);color:var(--clr-accent)}

/* FOOTER */
.site-footer{background:#060e1e;border-top:3px solid var(--clr-primary);padding:48px 0 24px;margin-top:60px}
.footer-inner{max-width:var(--max-w);margin:0 auto;padding:0 20px}
.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:32px;margin-bottom:32px}
.footer-col h3{color:var(--clr-primary-light);font-size:20px;font-weight:700;margin-bottom:14px}
.footer-col h4{color:var(--clr-accent);font-size:16px;font-weight:700;margin-bottom:12px}
.footer-col ul{list-style:none;padding:0}
.footer-col li{margin-bottom:8px}
.footer-col a{color:var(--clr-text-muted);font-size:14px;transition:color .2s;text-decoration:none}
.footer-col a:hover{color:var(--clr-accent)}
.footer-about p{color:var(--clr-text-muted);font-size:14px;line-height:1.7}
.footer-contact li{color:var(--clr-text-muted);font-size:14px}
.footer-bottom{border-top:1px solid var(--clr-border);padding-top:20px;text-align:center}
.footer-bottom p{color:var(--clr-text-muted);font-size:13px}

/* AUTH & ERROR */
.auth-page{max-width:640px;margin:0 auto}
.auth-cta{margin:32px 0;text-align:center}
.auth-cta p{margin-top:14px;font-size:15px}
.error-page{text-align:center;padding:100px 0}
.error-content h1{font-size:120px;font-weight:900;color:var(--clr-primary);line-height:1}
.error-content h2{font-size:28px;color:var(--clr-white);margin-bottom:14px}
.error-content p{color:var(--clr-text-muted);font-size:17px;margin-bottom:28px}
.error-content img{max-width:360px;margin:28px auto;border-radius:var(--radius-md)}
.error-links{display:flex;gap:14px;justify-content:center;margin-top:20px}
.policy-content .policy-date{color:var(--clr-text-muted);font-size:14px;margin-bottom:28px;font-style:italic}

/* RESPONSIVE */
@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:var(--radius-lg);max-height:calc(100vh - 96px);overflow-y:auto;background:var(--clr-card);border:1px solid var(--clr-border);box-shadow:var(--shadow-lg);z-index:999}
.primary-nav.is-open{display:flex}
.primary-nav>a{max-width:none;width:100%;padding:14px 12px;text-overflow:initial;border-bottom:1px solid var(--clr-border);border-left:2px solid transparent;font-size:15px}
.primary-nav>a:last-of-type{border-bottom:none}
.primary-nav>a.active{border-left-color:var(--clr-accent)}
.nav-more{display:none !important}
.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}
.hero-banner{min-height:360px}
.hero-banner h1{font-size:24px}
.content-section{padding:48px 0}
.content-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.feature-grid,.game-card-grid,.steps-grid,.pricing-grid,.responsible-grid,.testimonial-grid{grid-template-columns:1fr}
.cta-box{padding:32px 20px}
}
@media(max-width:480px){
.footer-grid{grid-template-columns:1fr}
.hero-cta{flex-direction:column}
.error-content h1{font-size:80px}
}