: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;margin: 0;padding: 0}
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}
.navbar{background: var(--surface);border-bottom: 1px solid var(--border);padding: .75rem 0}
.navbar-brand img{height: 40px}
.navbar-toggler{border-color: var(--border)}
.navbar-toggler-icon{filter: invert(1)}
.nav-link{color: var(--text) !important;font-size: .92rem;padding: .4rem .8rem !important;border-radius: 6px;transition: color .2s, background .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: transparent;font-size: .85rem}
.breadcrumb-item a{color: var(--primary);text-decoration: none}
.breadcrumb-item.active{color: var(--muted)}
.breadcrumb-item + .breadcrumb-item::before{color: var(--muted)}
.page-hero{background: linear-gradient(135deg, var(--surface) 0%, var(--bg) 100%);border-bottom: 1px solid var(--border);padding: 4.5rem 0 3.5rem;position: relative;overflow: hidden}
.page-hero::before{content: "";position: absolute;top: -60px;right: -80px;width: 340px;height: 340px;border-radius: 50%;background: rgba(34,197,94,.06);pointer-events: none}
.page-hero h1{color: var(--heading);font-size: clamp(1.55rem, 3.8vw, 2.5rem);font-weight: 700;line-height: 1.3}
.page-hero .lead{color: var(--muted);font-size: 1.05rem;max-width: 580px;margin: .9rem 0 1.6rem}
.hero-tag{display: inline-block;background: rgba(34,197,94,.15);color: var(--primary);font-size: .75rem;font-weight: 700;padding: .25rem .7rem;border-radius: 20px;border: 1px solid rgba(34,197,94,.3);margin-bottom: 1rem;letter-spacing: .05em}
.btn-primary-cta{display: inline-flex;align-items: center;gap: .5rem;background: var(--primary);color: var(--on-primary);font-weight: 700;font-size: .95rem;padding: .7rem 1.8rem;border-radius: 10px;text-decoration: none;border: none;transition: opacity .2s}
.btn-primary-cta:hover{opacity: .88;color: var(--on-primary)}
.btn-outline-cta{display: inline-flex;align-items: center;gap: .5rem;background: transparent;color: var(--primary);font-weight: 600;font-size: .95rem;padding: .7rem 1.8rem;border-radius: 10px;text-decoration: none;border: 1px solid var(--primary);transition: background .2s}
.btn-outline-cta:hover{background: rgba(34,197,94,.1);color: var(--primary)}
.phone-card{background: var(--surface);border: 1px solid var(--border);border-radius: 24px;padding: 2.5rem 2rem;text-align: center;position: relative}
.phone-screen{display: inline-block;background: var(--bg);border: 2px solid var(--border);border-radius: 28px;padding: 1.4rem 1rem;width: 140px;margin-bottom: 1rem}
.phone-notch{width: 40px;height: 8px;background: var(--border);border-radius: 4px;margin: 0 auto .8rem}
.phone-app-icon{width: 52px;height: 52px;background: var(--primary);border-radius: 14px;margin: 0 auto .6rem;display: flex;align-items: center;justify-content: center;font-weight: 900;font-size: 1.1rem;color: var(--on-primary)}
.phone-bar{height: 6px;background: var(--border);border-radius: 3px;margin: .3rem 0}
.phone-bar.short{width: 60%;margin: .3rem auto}
.stat-card{background: var(--surface);border: 1px solid var(--border);border-radius: 14px;padding: 1.2rem 1rem;text-align: center;height: 100%}
.stat-card .num{color: var(--primary);font-size: 1.7rem;font-weight: 700;line-height: 1.1}
.stat-card .lbl{color: var(--muted);font-size: .78rem;margin-top: .3rem}
.cat-grid{display: flex;flex-wrap: wrap;gap: .6rem}
.cat-pill{display: inline-flex;align-items: center;gap: .45rem;background: var(--surface);border: 1px solid var(--border);color: var(--text);font-size: .82rem;padding: .4rem .9rem;border-radius: 20px;transition: border-color .2s, color .2s}
.cat-pill:hover{border-color: var(--primary);color: var(--primary)}
.cat-pill i{color: var(--primary);font-size: .85rem}
.feat-card{background: var(--surface);border: 1px solid var(--border);border-radius: 16px;padding: 1.6rem;height: 100%;transition: transform .22s, box-shadow .22s}
.feat-card:hover{transform: translateY(-4px);box-shadow: 0 12px 32px rgba(0,0,0,.3)}
.feat-icon{width: 48px;height: 48px;background: rgba(34,197,94,.12);border-radius: 12px;display: flex;align-items: center;justify-content: center;font-size: 1.4rem;margin-bottom: 1rem}
.feat-card h5{color: var(--heading);font-size: .97rem;font-weight: 700;margin-bottom: .4rem}
.feat-card p{color: var(--muted);font-size: .85rem;margin: 0;line-height: 1.6}
.cmp-table{width: 100%;border-collapse: collapse;font-size: .87rem}
.cmp-table th{background: var(--surface);color: var(--primary);font-weight: 700;padding: .75rem 1rem;text-align: left;border-bottom: 1px solid var(--border)}
.cmp-table td{color: var(--text);padding: .7rem 1rem;border-bottom: 1px solid var(--border);vertical-align: middle}
.cmp-table tr:last-child td{border-bottom: none}
.cmp-table tr:nth-child(even) td{background: rgba(3,68,53,.4)}
.cmp-table .check{color: var(--primary);font-size: 1rem}
.cmp-table .cross{color: var(--muted);font-size: 1rem}
.content-img{width: 100%;border-radius: 14px;display: block;object-fit: cover;max-height: 420px}
.article-body h2{color: var(--heading);font-size: 1.3rem;font-weight: 700;margin: 2rem 0 .6rem}
.article-body h3{color: var(--heading);font-size: 1.05rem;font-weight: 600;margin: 1.5rem 0 .5rem}
.article-body p{color: var(--text);margin-bottom: 1rem;line-height: 1.85}
.article-body ul, .article-body ol{color: var(--text);padding-left: 1.3rem;margin-bottom: 1rem}
.article-body ul li, .article-body ol li{margin-bottom: .45rem}
.stars{color: var(--primary);font-size: .88rem;letter-spacing: .05em}
.review-card{background: var(--surface);border: 1px solid var(--border);border-radius: 14px;padding: 1.3rem;height: 100%}
.review-card p{color: var(--text);font-size: .88rem;line-height: 1.65;margin-bottom: .8rem;font-style: italic}
.reviewer{font-size: .8rem;color: var(--muted)}
.reviewer strong{color: var(--heading)}
.timeline{position: relative;padding-left: 2.2rem}
.timeline::before{content: "";position: absolute;left: .7rem;top: 0;bottom: 0;width: 2px;background: var(--border)}
.tl-item{position: relative;margin-bottom: 1.6rem}
.tl-dot{position: absolute;left: -1.95rem;top: .3rem;width: 14px;height: 14px;border-radius: 50%;background: var(--primary);border: 2px solid var(--bg)}
.tl-item h6{color: var(--heading);font-weight: 700;font-size: .92rem;margin-bottom: .25rem}
.tl-item p{color: var(--muted);font-size: .83rem;margin: 0}
.promo-banner{background: linear-gradient(90deg, var(--accent) 0%, #b45309 100%);border-radius: 16px;padding: 1.8rem 2rem;display: flex;align-items: center;justify-content: space-between;flex-wrap: wrap;gap: 1rem}
.promo-banner h3{color: var(--heading);font-size: 1.15rem;font-weight: 700;margin: 0}
.promo-banner p{color: rgba(255,255,255,.82);font-size: .88rem;margin: .25rem 0 0}
.btn-promo{display: inline-block;background: var(--heading);color: var(--accent);font-weight: 700;font-size: .9rem;padding: .6rem 1.5rem;border-radius: 8px;text-decoration: none;white-space: nowrap;transition: opacity .2s}
.btn-promo:hover{opacity: .9;color: var(--accent)}
.section-label{color: var(--primary);font-size: .78rem;font-weight: 700;letter-spacing: .1em;text-transform: uppercase;margin-bottom: .4rem}
.section-title{color: var(--heading);font-size: 1.5rem;font-weight: 700;margin-bottom: .4rem}
.section-sub{color: var(--muted);font-size: .95rem;margin-bottom: 1.6rem}
.accordion-button{background: var(--bg) !important;color: var(--heading) !important;font-size: .95rem;font-weight: 600;box-shadow: none !important}
.accordion-button::after{filter: invert(1) brightness(2)}
.accordion-button:not(.collapsed){color: var(--primary) !important}
.accordion-item{background: var(--bg);border: 1px solid var(--border) !important;border-radius: 10px !important;margin-bottom: .6rem;overflow: hidden}
.accordion-body{background: var(--bg);color: var(--text);font-size: .9rem;line-height: 1.75}
footer{background: var(--surface);border-top: 1px solid var(--border);padding: 3rem 0 1.5rem}
.footer-link{color: var(--muted);font-size: .87rem;text-decoration: none;transition: color .2s}
.footer-link:hover{color: var(--primary)}
@media  (max-width: 576px) {.page-hero{padding: 2.5rem 0 2rem}
.promo-banner{flex-direction: column;text-align: center}}