:root{--up-black:#050403;--up-ink:#0b0907;--up-coal:#17120e;--up-panel:#1d1711;--up-line:rgba(255,151,43,.26);--up-text:#fff8ef;--up-muted:#cdbbab;--up-orange:#ff7a1a;--up-gold:#ffbe45;--up-green:#24d469;--up-red:#d91f2c;--up-shadow:0 24px 70px rgba(0,0,0,.42);font-family:Inter,Arial,"Noto Sans Bengali","Kohinoor Bangla",sans-serif}
*{box-sizing:border-box}html{overflow-x:hidden;scroll-behavior:smooth}body.upbd-site{margin:0;min-width:320px;background:radial-gradient(circle at 82% 12%,rgba(255,111,17,.2),transparent 31rem),radial-gradient(circle at 20% 38%,rgba(36,212,105,.07),transparent 24rem),var(--up-black);color:var(--up-text);font-size:16px;line-height:1.55;letter-spacing:0;overflow-x:hidden}.upbd-site a{color:inherit;text-decoration:none}.upbd-site img{display:block;max-width:100%;height:auto}.upbd-shell{width:min(1180px,calc(100% - 40px));margin:0 auto}
.upbd-header{position:sticky;top:0;z-index:30;background:#030303;border-bottom:1px solid rgba(255,255,255,.06)}.upbd-header-row{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.upbd-brand{display:flex;align-items:center;gap:13px;min-width:0;color:#fff;font-weight:1000;font-size:30px;line-height:1}.upbd-mark{width:54px;height:54px;border-radius:7px;display:grid;place-items:center;background:linear-gradient(145deg,#ff5b16,#140b05 58%,#ffd15a);border:1px solid rgba(255,190,69,.52);box-shadow:0 0 26px rgba(255,109,24,.32);font-weight:1000;font-size:31px;color:#fff}.upbd-nav{display:flex;justify-content:center;align-items:center;gap:24px;min-width:0;flex:1 1 auto;overflow-x:auto;scrollbar-width:none}.upbd-nav::-webkit-scrollbar{display:none}.upbd-nav a{position:relative;display:inline-flex;align-items:center;min-height:76px;white-space:nowrap;color:var(--up-green);font-size:14px;font-weight:950;text-transform:uppercase;text-shadow:0 0 13px rgba(36,212,105,.32);border-bottom:3px solid transparent}.upbd-nav a.is-active{color:#fff;border-bottom-color:var(--up-orange)}.upbd-actions{display:flex;gap:12px;flex-shrink:0}.upbd-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 20px;border-radius:6px;border:1px solid rgba(255,255,255,.12);font-size:13px;font-weight:950;text-transform:uppercase;white-space:nowrap;box-shadow:0 9px 22px rgba(0,0,0,.28);transition:transform .2s ease}.upbd-btn:hover{transform:translateY(-1px)}.upbd-btn-primary{background:linear-gradient(180deg,#ffe070,#ff8a1c 52%,#ce3f08);color:#1b0700;border-color:rgba(255,218,110,.75)}.upbd-btn-ghost{background:#151515;color:#fff}
.upbd-hero{min-height:590px;display:grid;align-items:stretch;border-bottom:1px solid var(--up-line);background:linear-gradient(90deg,rgba(5,4,3,.96) 0%,rgba(5,4,3,.82) 36%,rgba(5,4,3,.16) 70%,rgba(5,4,3,.44) 100%),url("/assets/8upbd-hero.png") center right/cover no-repeat}.upbd-hero-grid{display:grid;grid-template-columns:minmax(0,610px) 1fr;align-items:center;min-height:590px}.upbd-hero-copy{padding:64px 0}.upbd-hero h1{margin:0;max-width:640px;font-size:clamp(48px,7vw,92px);line-height:.91;font-weight:1000;letter-spacing:0;text-transform:uppercase}.upbd-hero h1 span{display:block;color:var(--up-gold)}.upbd-hero p{max-width:560px;color:#f5dfcf;font-size:18px;line-height:1.78;font-weight:700;margin:26px 0 28px}.upbd-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px}.upbd-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;max-width:530px}.upbd-stats div{background:rgba(15,11,8,.86);border:1px solid rgba(255,151,43,.26);border-radius:8px;padding:17px 18px;box-shadow:inset 0 1px 0 rgba(255,255,255,.07)}.upbd-stats b{display:block;color:var(--up-gold);font-size:28px;line-height:1;margin-bottom:7px}.upbd-stats span{display:block;color:#fff;font-size:12px;font-weight:950;text-transform:uppercase}
.upbd-category-strip{transform:translateY(-28px);margin-bottom:28px}.upbd-category-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px}.upbd-category-grid a{min-height:72px;border-radius:8px;border:1px solid rgba(255,151,43,.26);background:linear-gradient(180deg,rgba(31,21,14,.94),rgba(15,9,6,.98));display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:var(--up-shadow);font-weight:950;text-transform:uppercase;font-size:13px}.upbd-category-grid b{width:28px;height:28px;border-radius:6px;display:grid;place-items:center;background:linear-gradient(135deg,#ffdd67,#ff7a1a);color:#240900}
.upbd-section{padding:76px 0}.upbd-section-muted{background:#0b0806;border-top:1px solid var(--up-line);border-bottom:1px solid var(--up-line)}.upbd-overview-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:28px;align-items:center}.upbd-section-title{margin:0;color:#fff;font-size:clamp(34px,4.5vw,56px);line-height:1.02;font-weight:1000;letter-spacing:0}.upbd-section-copy{color:var(--up-muted);font-size:16px;line-height:1.85;margin:20px 0 26px;font-weight:650}.upbd-overview-grid>div:first-child{background:linear-gradient(180deg,rgba(255,122,26,.08),rgba(255,122,26,.02)),var(--up-ink);border:1px solid var(--up-line);border-radius:8px;padding:34px;box-shadow:var(--up-shadow)}.upbd-overview-image img,.upbd-app-image img,.upbd-article-aside img{border-radius:8px;border:1px solid var(--up-line);box-shadow:var(--up-shadow)}.upbd-checks{display:grid;gap:13px;margin:24px 0 0;padding:0}.upbd-checks li{list-style:none;background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.07);border-radius:7px;padding:13px;color:#fff;font-weight:850}.upbd-checks li:before{content:"";display:inline-block;width:10px;height:10px;border-radius:50%;background:var(--up-gold);margin-right:10px}.upbd-center{text-align:center}
.upbd-services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}.upbd-service-card{padding:30px 24px;border:1px solid var(--up-line);border-radius:8px;background:linear-gradient(180deg,rgba(31,21,14,.92),rgba(15,9,6,.98));box-shadow:var(--up-shadow);min-height:236px}.upbd-service-icon{width:54px;height:54px;border-radius:7px;display:grid;place-items:center;background:linear-gradient(135deg,var(--up-gold),var(--up-orange));color:#230a00;font-weight:1000;margin-bottom:18px}.upbd-service-card h3{margin:0 0 12px;font-size:21px}.upbd-service-card p{margin:0;color:var(--up-muted);line-height:1.65}
.upbd-steps{padding-top:46px}.upbd-steps-row{display:grid;grid-template-columns:1fr 92px 1fr 92px 1fr;align-items:start;margin-top:34px}.upbd-step{text-align:center}.upbd-step-number{width:36px;height:36px;margin:0 auto -5px;display:grid;place-items:center;color:#210800;background:linear-gradient(135deg,var(--up-gold),var(--up-orange));border-radius:50%;font-size:20px;font-weight:1000}.upbd-step-icon{width:98px;height:98px;margin:0 auto 16px;display:grid;place-items:center;color:var(--up-gold);background:#111;border:2px solid var(--up-gold);border-radius:50%;font-size:20px;font-weight:1000}.upbd-step h3{margin:0 0 8px;font-size:19px;font-weight:950}.upbd-step p{max-width:250px;margin:0 auto;color:var(--up-muted);font-size:14px;line-height:1.6}.upbd-arrow{height:98px;position:relative}.upbd-arrow:before{content:"";position:absolute;left:4px;right:22px;top:60px;border-top:2px dashed rgba(255,190,69,.5)}.upbd-arrow:after{content:"";position:absolute;right:14px;top:53px;width:14px;height:14px;border-top:2px solid rgba(255,190,69,.68);border-right:2px solid rgba(255,190,69,.68);transform:rotate(45deg)}
.upbd-app{padding:0;background:radial-gradient(circle at 18% 60%,rgba(255,122,26,.16),transparent 25%),linear-gradient(105deg,#050403 0%,#19100a 45%,#050403 100%);overflow:hidden;border-top:1px solid var(--up-line);border-bottom:1px solid var(--up-line)}.upbd-app-grid{min-height:350px;display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center}.upbd-app-image{align-self:stretch;display:flex;align-items:center}.upbd-app-image img{max-width:470px}.upbd-app-copy{padding:48px 0}.upbd-app-copy h2{margin:0;color:var(--up-gold);font-size:clamp(30px,3.4vw,44px);line-height:1.14;font-weight:1000}.upbd-app-copy p{max-width:650px;margin:16px 0 0;color:#ededed;font-size:17px;line-height:1.68}.upbd-app-actions{display:flex;flex-wrap:wrap;gap:18px;margin-top:30px}.upbd-store{min-width:190px;min-height:58px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;color:#1b0700;background:linear-gradient(180deg,#fff0a7,#f2be39);border-radius:8px;font-size:16px;font-weight:950}
.upbd-news-list{margin-top:24px;background:#0e0a07;border:1px solid var(--up-line);border-radius:8px;overflow:hidden;box-shadow:var(--up-shadow)}.upbd-news-list-spaced{margin-top:24px}.upbd-news-row{display:grid;grid-template-columns:250px 1fr 44px;align-items:center;gap:28px;padding:18px 24px;border-bottom:1px solid rgba(255,255,255,.08)}.upbd-news-row:last-child{border-bottom:0}.upbd-news-thumb{display:block;min-height:112px;border-radius:8px;background:linear-gradient(135deg,#111,#2a1d08);position:relative;overflow:hidden;border:1px solid rgba(255,190,69,.22)}.upbd-news-thumb:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 30%,rgba(255,122,26,.42),transparent 42%)}.upbd-news-thumb span{position:absolute;left:16px;top:14px;z-index:1;display:inline-flex;padding:6px 11px;border:1px solid rgba(255,190,69,.45);border-radius:999px;color:var(--up-gold);font-size:12px;font-weight:900;background:rgba(0,0,0,.35)}.upbd-news-title{display:inline-block;margin:0 0 10px;color:#fff;font-size:20px;line-height:1.3;font-weight:950}.upbd-news-title:hover{color:var(--up-gold)}.upbd-news-meta{display:flex;align-items:center;gap:18px;color:var(--up-muted);font-size:14px;margin-bottom:2px}.upbd-news-meta span+span{position:relative;padding-left:18px}.upbd-news-meta span+span:before{content:"";position:absolute;left:0;top:50%;width:1px;height:18px;transform:translateY(-50%);background:rgba(255,255,255,.16)}.upbd-news-more{width:34px;height:34px;display:grid;place-items:center;color:var(--up-gold);font-size:32px;font-weight:500}
.upbd-faq{padding:60px 0;background:#080604}.upbd-faq-list{margin-top:24px;border:1px solid var(--up-line);border-radius:8px;overflow:hidden}.upbd-faq-item{padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.08);background:#0e0a07}.upbd-faq-item:last-child{border-bottom:0}.upbd-faq-question{display:flex;align-items:center;justify-content:space-between;gap:18px;font-size:18px;font-weight:950}.upbd-faq-item p{margin:10px 0 0;color:var(--up-muted)}.upbd-footer{background:#030303;color:#d9d9d9;padding:48px 0 24px;border-top:1px solid var(--up-line)}.upbd-footer-main{display:grid;grid-template-columns:1.25fr .7fr .7fr;gap:46px}.upbd-footer p{max-width:480px;color:#bbb}.upbd-footer h3{color:#fff;margin:0 0 12px}.upbd-footer a{display:block;margin:8px 0;color:#cfcfcf}.upbd-footer .upbd-brand{display:inline-flex}.upbd-footer-bottom{display:flex;justify-content:space-between;gap:24px;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:#aaa}
.upbd-subhero,.upbd-article-hero{color:#fff;background:radial-gradient(circle at 76% 50%,rgba(255,122,26,.2),transparent 28%),linear-gradient(100deg,#050403,#1a1008);padding:70px 0;border-bottom:1px solid var(--up-line)}.upbd-subhero h1,.upbd-article-hero h1{max-width:920px;margin:0;color:#fff;font-size:clamp(38px,4.5vw,60px);line-height:1.12;font-weight:1000}.upbd-subhero p,.upbd-article-hero p{max-width:780px;margin:20px 0 0;color:#eee;font-size:18px;line-height:1.75}.upbd-two-col{display:grid;grid-template-columns:minmax(0,1fr)300px;gap:30px;align-items:start}.upbd-side{position:sticky;top:92px;padding:22px;border:1px solid var(--up-line);border-radius:8px;background:#0e0a07;box-shadow:var(--up-shadow)}.upbd-side h2{margin:0 0 12px}.upbd-side a{display:block;padding:11px 12px;border-radius:7px;font-weight:850;color:var(--up-muted)}.upbd-side a.active,.upbd-side a:hover{background:linear-gradient(135deg,var(--up-gold),var(--up-orange));color:#210800}.upbd-side p{color:var(--up-muted)}.upbd-article-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px;color:#ddd;font-weight:850}.upbd-article-layout{display:grid;grid-template-columns:minmax(0,1fr)320px;gap:26px;padding:46px 0 64px}.upbd-article-card{padding:34px;border:1px solid var(--up-line);border-radius:8px;background:#0e0a07;box-shadow:var(--up-shadow)}.upbd-summary{margin-bottom:22px;padding:16px 18px;border-left:4px solid var(--up-gold);background:rgba(255,190,69,.1);font-weight:850;color:#fff}.upbd-article-card h2{margin:30px 0 10px;font-size:28px}.upbd-article-card p{color:#f1dfcf;font-size:17px;line-height:1.9}.upbd-note{margin-top:24px;padding:16px 18px;border-radius:8px;background:#17120e;color:#f5dfcf;font-weight:850}.upbd-article-aside{align-self:start;padding:18px;border:1px solid var(--up-line);border-radius:8px;background:#0e0a07;box-shadow:var(--up-shadow)}.upbd-article-aside img{margin-bottom:18px}.upbd-article-aside h3{margin:0 0 10px}.upbd-article-aside a{display:block;margin-top:8px;padding:10px 12px;border-radius:7px;background:#17120e;color:#fff;font-weight:900}
@media(max-width:1050px){.upbd-shell{width:min(100% - 34px,1180px)}.upbd-header-row{flex-wrap:wrap;padding:14px 0}.upbd-nav{order:3;width:100%;justify-content:flex-start}.upbd-nav a{min-height:42px}.upbd-actions{margin-left:auto}.upbd-hero-grid,.upbd-overview-grid,.upbd-app-grid,.upbd-footer-main,.upbd-two-col,.upbd-article-layout{grid-template-columns:1fr}.upbd-hero{background-position:center right}.upbd-hero-copy{padding:52px 0}.upbd-category-grid{grid-template-columns:repeat(3,1fr)}.upbd-services-grid{grid-template-columns:repeat(2,1fr)}.upbd-steps-row{grid-template-columns:1fr;gap:24px}.upbd-arrow{display:none}.upbd-app-image img{margin:34px 0 0;max-width:520px}.upbd-news-row{grid-template-columns:190px 1fr 34px}.upbd-side{position:static}}
@media(max-width:650px){.upbd-shell{width:min(100% - 26px,1180px)}.upbd-brand{font-size:24px}.upbd-mark{width:42px;height:42px;font-size:26px}.upbd-actions{width:100%}.upbd-actions .upbd-btn{flex:1}.upbd-hero{min-height:auto;background:linear-gradient(180deg,rgba(5,4,3,.98),rgba(5,4,3,.72)),url("/assets/8upbd-hero.png") center bottom/cover no-repeat}.upbd-hero-grid{min-height:auto}.upbd-hero-copy{padding:44px 0 310px}.upbd-hero h1{font-size:42px}.upbd-stats{grid-template-columns:1fr}.upbd-category-strip{transform:none;margin:16px 0}.upbd-category-grid{grid-template-columns:1fr 1fr}.upbd-section{padding:46px 0}.upbd-overview-grid>div:first-child,.upbd-article-card{padding:22px}.upbd-services-grid{grid-template-columns:1fr}.upbd-news-row{grid-template-columns:1fr;gap:12px}.upbd-news-more{display:none}.upbd-news-meta{align-items:flex-start;flex-direction:column;gap:6px}.upbd-news-meta span+span{padding-left:0}.upbd-news-meta span+span:before{display:none}.upbd-footer-bottom{flex-direction:column}.upbd-subhero,.upbd-article-hero{padding:48px 0}.upbd-subhero h1,.upbd-article-hero h1{font-size:36px}}