:root{--bg: #022c22;--surface: #034435;--text: #eaedf3;--heading: #f8fafc;--muted: #a3adbe;--primary: #22c55e;--on-primary: #000000;--accent: #92400e;--border: rgba(255,255,255,0.12)}
*, *::before, *::after{box-sizing: border-box}
body{background: var(--bg);color: var(--text);font-family:system-ui,-apple-system,"Segoe UI","Noto Sans Bengali",sans-serif;font-size: 1rem;line-height: 1.75;margin: 0}
.navbar{background: var(--surface);border-bottom: 1px solid var(--border);padding: .75rem 0}
.navbar-brand img{height: 38px}
.navbar-toggler{border-color: var(--border)}
.navbar-toggler-icon{filter: invert(1)}
.nav-link{color: var(--text) !important;font-size: .9rem;font-weight: 500;padding: .4rem .75rem !important;border-radius: 6px;transition: background .2s, color .2s}
.nav-link:hover, .nav-link.active{color: var(--primary) !important;background: rgba(34,197,94,.08)}
.breadcrumb-wrap{background: var(--surface);border-bottom: 1px solid var(--border);padding: .6rem 0}
.breadcrumb{margin: 0;background: none;padding: 0;font-size: .83rem}
.breadcrumb-item a{color: var(--primary);text-decoration: none}
.breadcrumb-item.active{color: var(--muted)}
.breadcrumb-item + .breadcrumb-item::before{color: var(--muted)}
.hero{background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 70%);border-bottom: 1px solid var(--border);padding: 4.5rem 0 3.5rem;text-align: center;position: relative;overflow: hidden}
.hero::before{content: "";position: absolute;top: -100px;left: 50%;transform: translateX(-50%);width: 500px;height: 500px;background: radial-gradient(circle, rgba(34,197,94,.07) 0%, transparent 65%);border-radius: 50%;pointer-events: none}
.hero-label{display: inline-block;background: rgba(34,197,94,.12);border: 1px solid rgba(34,197,94,.28);color: var(--primary);font-size: .75rem;font-weight: 700;letter-spacing: .08em;text-transform: uppercase;padding: .22rem .9rem;border-radius: 50px;margin-bottom: 1rem}
.hero h1{font-size: clamp(1.7rem, 4vw, 2.7rem);font-weight: 700;color: var(--heading);line-height: 1.25;margin-bottom: 1rem}
.hero h1 span{color: var(--primary)}
.hero-sub{color: var(--muted);font-size: 1rem;max-width: 560px;margin: 0 auto 2rem}
.hero-meta{display: flex;flex-wrap: wrap;justify-content: center;gap: 1.5rem}
.hero-meta-item{display: flex;align-items: center;gap: .45rem;font-size: .83rem;color: var(--muted)}
.hero-meta-item i{color: var(--primary);font-size: 1rem}
.section-label{display: inline-block;background: rgba(34,197,94,.1);color: var(--primary);font-size: .74rem;font-weight: 700;letter-spacing: .1em;text-transform: uppercase;padding: .2rem .75rem;border-radius: 50px;margin-bottom: .5rem}
.section-title{font-size: clamp(1.25rem, 3vw, 1.8rem);font-weight: 700;color: var(--heading);margin-bottom: .4rem}
.section-sub{color: var(--muted);font-size: .92rem;margin-bottom: 2rem}
.toc-card{background: var(--surface);border: 1px solid var(--border);border-radius: 16px;padding: 1.6rem 1.8rem;position: sticky;top: 80px}
.toc-card h5{font-size: .9rem;font-weight: 700;color: var(--heading);margin-bottom: 1rem;display: flex;align-items: center;gap: .5rem}
.toc-list{list-style: none;padding: 0;margin: 0}
.toc-list li{margin-bottom: .35rem}
.toc-list a{color: var(--muted);font-size: .83rem;text-decoration: none;display: flex;align-items: flex-start;gap: .5rem;padding: .3rem .5rem;border-radius: 6px;transition: color .2s, background .2s}
.toc-list a:hover{color: var(--primary);background: rgba(34,197,94,.07)}
.toc-list a i{margin-top: .15rem;font-size: .75rem;flex-shrink: 0;color: var(--primary)}
.feature-card{background: var(--surface);border: 1px solid var(--border);border-radius: 16px;padding: 1.6rem;height: 100%;transition: transform .2s, border-color .2s, box-shadow .2s;display: flex;gap: 1.1rem;align-items: flex-start}
.feature-card:hover{transform: translateY(-3px);border-color: rgba(34,197,94,.25);box-shadow: 0 6px 24px rgba(0,0,0,.2)}
.feature-icon{min-width: 48px;height: 48px;background: rgba(34,197,94,.1);border: 1px solid rgba(34,197,94,.2);border-radius: 12px;display: flex;align-items: center;justify-content: center;font-size: 1.35rem;flex-shrink: 0}
.feature-body h5{font-size: .95rem;font-weight: 700;color: var(--heading);margin-bottom: .3rem}
.feature-body p{font-size: .83rem;color: var(--muted);line-height: 1.7;margin: 0}
.terms-section{scroll-margin-top: 90px;margin-bottom: 2.5rem}
.terms-section h2{font-size: 1.15rem;font-weight: 700;color: var(--heading);padding-bottom: .6rem;border-bottom: 1px solid var(--border);margin-bottom: 1rem;display: flex;align-items: center;gap: .6rem}
.terms-section h2 .sec-num{display: inline-flex;align-items: center;justify-content: center;min-width: 28px;height: 28px;background: rgba(34,197,94,.12);color: var(--primary);font-size: .78rem;font-weight: 700;border-radius: 6px}
.terms-section p{color: var(--text);font-size: .9rem;line-height: 1.82;margin-bottom: .9rem}
.terms-section ul, .terms-section ol{color: var(--text);font-size: .9rem;line-height: 1.8;padding-left: 1.3rem;margin-bottom: .9rem}
.terms-section ul li, .terms-section ol li{margin-bottom: .35rem}
.callout{border-radius: 0 10px 10px 0;padding: .9rem 1.2rem;margin: 1.2rem 0;font-size: .87rem;line-height: 1.75}
.callout-info{background: rgba(34,197,94,.07);border-left: 3px solid var(--primary)}
.callout-warn{background: rgba(146,64,14,.1);border-left: 3px solid var(--accent)}
.callout p{margin: 0;color: var(--text)}
.callout strong{color: var(--primary)}
.callout-warn strong{color: var(--accent)}
.terms-table{width: 100%;border-collapse: collapse;font-size: .85rem;margin-bottom: 1rem}
.terms-table th{background: rgba(34,197,94,.1);color: var(--primary);font-weight: 700;padding: .65rem .9rem;text-align: left;border-bottom: 1px solid var(--border)}
.terms-table td{color: var(--text);padding: .6rem .9rem;border-bottom: 1px solid var(--border);vertical-align: top}
.terms-table tr:last-child td{border-bottom: none}
.terms-table tr:nth-child(even) td{background: rgba(255,255,255,.02)}
.rule-badge{display: inline-flex;align-items: center;gap: .35rem;background: rgba(34,197,94,.1);border: 1px solid rgba(34,197,94,.2);color: var(--primary);font-size: .75rem;font-weight: 700;padding: .2rem .65rem;border-radius: 50px;margin-bottom: .8rem}
.cta-section{background: linear-gradient(135deg, var(--surface) 0%, rgba(34,197,94,.06) 100%);border: 1px solid rgba(34,197,94,.18);border-radius: 20px;padding: 3.5rem 2rem;text-align: center}
.cta-section h2{font-size: clamp(1.25rem, 3vw, 1.75rem);font-weight: 700;color: var(--heading);margin-bottom: .7rem}
.cta-section p{color: var(--muted);font-size: .92rem;max-width: 500px;margin: 0 auto 2rem}
.btn-cta-primary{display: inline-flex;align-items: center;gap: .5rem;background: var(--primary);color: var(--on-primary);font-weight: 700;font-size: .95rem;padding: .72rem 1.9rem;border-radius: 8px;text-decoration: none;transition: opacity .2s, transform .15s}
.btn-cta-primary:hover{opacity: .88;transform: translateY(-1px);color: var(--on-primary)}
.btn-cta-outline{display: inline-flex;align-items: center;gap: .5rem;background: transparent;color: var(--text);font-weight: 600;font-size: .95rem;padding: .72rem 1.9rem;border-radius: 8px;text-decoration: none;border: 1px solid var(--border);transition: border-color .2s, color .2s}
.btn-cta-outline:hover{border-color: var(--primary);color: var(--primary)}
footer{background: var(--surface);border-top: 1px solid var(--border);padding: 2.5rem 0 1.5rem}
.footer-link{color: var(--muted);text-decoration: none;font-size: .87rem;transition: color .2s}
.footer-link:hover{color: var(--primary)}
.updated-pill{display: inline-flex;align-items: center;gap: .4rem;background: var(--surface);border: 1px solid var(--border);color: var(--muted);font-size: .78rem;padding: .3rem .8rem;border-radius: 50px}
.updated-pill i{color: var(--primary)}
@media  (max-width: 991px) {.toc-card{position: static;margin-bottom: 2rem}}
@media  (max-width: 768px) {.hero{padding: 3rem 0 2.5rem}}