:root{
  --v4-navy:#031425;--v4-navy2:#082a4c;--v4-blue:#1769ff;--v4-cyan:#08c6df;--v4-gold:#d7ad54;
  --v4-ink:#071a30;--v4-muted:#60718a;--v4-line:#dfe9f7;--v4-soft:#f5f9ff;--v4-white:#fff;
  --v4-shadow:0 28px 80px rgba(5,28,58,.12);--v4-radius:28px;
}
html[data-lang="bn"] body{font-family:'Hind Siliguri','Noto Sans Bengali','SolaimanLipi',sans-serif}
html[data-lang="en"] body{font-family:'Inter',Arial,sans-serif}
html[data-lang="bn"] h1,html[data-lang="bn"] h2,html[data-lang="bn"] h3,html[data-lang="bn"] h4,html[data-lang="bn"] .btn,html[data-lang="bn"] .nav-links{font-family:'Hind Siliguri','Noto Sans Bengali','SolaimanLipi',sans-serif}
html[data-lang="bn"] .latin,html[data-lang="bn"] .metric-num,html[data-lang="bn"] .device-kpi strong{font-family:'Inter',Arial,sans-serif}
body.v4-home{background:#fff;color:var(--v4-ink);overflow-x:hidden}
.v4-home .announce{background:linear-gradient(90deg,#031425,#0a315b 52%,#073d66);border-bottom:1px solid rgba(255,255,255,.08)}
.v4-home .announce .container{display:flex;justify-content:center;gap:18px;align-items:center;min-height:34px;color:#d9ebff;font-size:.84rem}
.v4-home .header{position:sticky;top:0;z-index:90;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border-bottom:1px solid rgba(12,42,78,.08);box-shadow:0 8px 28px rgba(5,28,58,.045)}
.v4-home .nav{min-height:74px}
.v4-home .logo-mark{background:linear-gradient(145deg,#0b3d78,#1769ff 55%,#08c6df);box-shadow:0 9px 28px rgba(23,105,255,.28)}
.v4-home .nav-links a{font-weight:600;color:#26384f}.v4-home .nav-links a:hover,.v4-home .nav-links a.active{color:#0c59dd}
.v4-home .btn{border-radius:13px;font-weight:700;letter-spacing:-.01em}.v4-home .btn-primary{background:linear-gradient(135deg,#1b6dff,#0aa8e9);box-shadow:0 13px 30px rgba(23,105,255,.24)}
.v4-home .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(23,105,255,.34)}
.v4-home .btn-dark{background:#061b32;color:#fff;border-color:#061b32}.v4-home .btn-glass{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.24);backdrop-filter:blur(8px)}

/* Hero */
.v4-hero{position:relative;min-height:760px;overflow:hidden;background:
 radial-gradient(circle at 84% 12%,rgba(24,113,255,.18),transparent 28%),
 radial-gradient(circle at 8% 72%,rgba(8,198,223,.12),transparent 24%),linear-gradient(135deg,#f8fbff,#eef5ff 52%,#f8fcff)}
.v4-hero:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(8,49,92,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(8,49,92,.035) 1px,transparent 1px);background-size:48px 48px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.55),transparent 82%)}
.v4-orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.8;pointer-events:none}.v4-orb.o1{width:340px;height:340px;right:-120px;top:90px;background:radial-gradient(circle,rgba(24,113,255,.23),rgba(24,113,255,0) 67%);animation:orbFloat 10s ease-in-out infinite}.v4-orb.o2{width:260px;height:260px;left:-120px;bottom:50px;background:radial-gradient(circle,rgba(8,198,223,.18),rgba(8,198,223,0) 70%);animation:orbFloat 12s ease-in-out infinite reverse}
.v4-slider{position:relative;z-index:2;min-height:690px}.v4-slide{position:absolute;inset:0;opacity:0;pointer-events:none;transform:translateX(36px);transition:opacity .7s ease,transform .8s cubic-bezier(.2,.75,.2,1)}.v4-slide.active{opacity:1;pointer-events:auto;transform:none}.v4-slide .container{min-height:690px;display:grid;grid-template-columns:1.03fr .97fr;align-items:center;gap:52px;padding-top:26px;padding-bottom:40px}
.v4-kicker{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;border:1px solid #cfe0fa;background:rgba(255,255,255,.8);box-shadow:0 8px 28px rgba(5,28,58,.05);color:#135fc8;font-weight:700;font-size:.85rem}.v4-kicker:before{content:"";width:7px;height:7px;border-radius:50%;background:#08c6df;box-shadow:0 0 0 5px rgba(8,198,223,.12)}
.v4-hero h1{font-size:clamp(3.8rem,6.2vw,6.8rem);line-height:.96;letter-spacing:-.055em;margin:18px 0 22px;max-width:720px;text-wrap:balance}.v4-hero h1 .grad{background:linear-gradient(105deg,#155eff,#05bbd8);-webkit-background-clip:text;background-clip:text;color:transparent}.v4-hero p{font-size:1.16rem;line-height:1.75;color:#53667f;max-width:680px}.v4-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.v4-micro{margin-top:18px;display:flex;gap:18px;flex-wrap:wrap;color:#50657f;font-size:.92rem}.v4-micro span:before{content:"✓";color:#11a66f;font-weight:800;margin-right:6px}
.v4-media{position:relative;min-height:520px}.v4-photo-wrap{position:absolute;inset:18px 0 0 55px;border-radius:34px;overflow:hidden;background:#0a2441;box-shadow:0 42px 100px rgba(4,28,60,.22);transform:perspective(1200px) rotateY(-4deg);animation:mediaFloat 8s ease-in-out infinite}.v4-photo-wrap img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.93) contrast(1.02)}.v4-photo-wrap:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,20,38,.18),transparent 35%,rgba(0,113,255,.04)),linear-gradient(0deg,rgba(3,20,37,.28),transparent 45%)}
.v4-laptop{position:absolute;left:-10px;right:20px;bottom:10px;height:330px;background:#07192d;border:10px solid #102c4a;border-radius:25px 25px 12px 12px;box-shadow:0 35px 80px rgba(4,24,49,.28);z-index:4;transform:perspective(1000px) rotateY(-4deg) rotateX(1deg);overflow:hidden}.v4-laptop:after{content:"";position:absolute;left:-5%;right:-5%;bottom:-18px;height:20px;background:linear-gradient(#b9c7d6,#7f91a8);border-radius:0 0 24px 24px}.v4-screen{height:100%;background:linear-gradient(145deg,#f9fbff,#eef5ff);padding:17px;display:grid;grid-template-columns:74px 1fr;gap:14px}.v4-screen .side{background:linear-gradient(180deg,#06203c,#0b3158);border-radius:14px;padding:14px 10px}.v4-screen .side i,.v4-screen .side span{display:block;height:8px;background:rgba(255,255,255,.15);border-radius:8px;margin:11px 0}.v4-screen .side i{height:30px;background:linear-gradient(135deg,#1a6dff,#05bfdc);margin:0 0 18px}.v4-screen-main{min-width:0}.v4-screen-top{display:flex;justify-content:space-between;align-items:center}.v4-screen-top b{font-size:.95rem}.v4-pill{height:26px;padding:0 10px;border-radius:999px;display:flex;align-items:center;background:#e8f3ff;color:#1263d4;font-size:.72rem;font-weight:700}.v4-screen-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}.device-kpi{background:#fff;border:1px solid #dde8f6;border-radius:11px;padding:10px;box-shadow:0 7px 20px rgba(7,35,66,.05)}.device-kpi small{font-size:.66rem;color:#78869a}.device-kpi strong{display:block;margin-top:4px;font-size:.95rem}.v4-chart{height:125px;background:linear-gradient(180deg,#fff,#f6faff);border:1px solid #e1eaf6;border-radius:14px;padding:12px;overflow:hidden}.v4-chart svg{width:100%;height:100%}.v4-chart .line{stroke-dasharray:600;stroke-dashoffset:600;animation:drawLine 2.4s .4s forwards ease}.v4-chart .area{opacity:0;animation:areaIn 1s 1.15s forwards}.v4-float-card{position:absolute;z-index:7;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.86);box-shadow:0 18px 45px rgba(6,34,70,.14);border-radius:17px;padding:13px 16px;min-width:150px;animation:floatCard 5.8s ease-in-out infinite}.v4-float-card small{display:block;color:#7a899d;font-size:.7rem}.v4-float-card b{font-family:'Inter',sans-serif;font-size:1.1rem}.v4-float-card.c1{right:-8px;top:42px}.v4-float-card.c2{left:6px;top:92px;animation-delay:-2s}.v4-float-card.c3{right:15px;bottom:92px;animation-delay:-3.4s}
.v4-slide.photo-only .v4-photo-wrap{left:0;inset-block:10px 24px}.v4-slide.photo-only .v4-laptop{left:20px;right:-18px;bottom:0;height:300px;opacity:.97}.v4-slide.ecosystem .v4-media{display:grid;place-items:center}.device-stage{position:relative;width:min(540px,100%);height:470px}.device-stage .v4-laptop{left:30px;right:30px;bottom:60px;height:330px}.v4-phone{position:absolute;right:0;bottom:14px;width:135px;height:268px;border:8px solid #07192d;border-radius:28px;background:#f7fbff;z-index:8;box-shadow:0 25px 60px rgba(4,25,52,.22);padding:12px}.v4-phone .notch{width:48px;height:10px;border-radius:999px;background:#07192d;margin:0 auto 10px}.phone-card{height:54px;background:white;border:1px solid #e1eafa;border-radius:12px;margin:9px 0;box-shadow:0 6px 16px rgba(5,31,64,.05)}.v4-tablet{position:absolute;left:0;top:15px;width:210px;height:275px;border:9px solid #102c4a;border-radius:22px;background:#f5f9ff;z-index:3;box-shadow:0 26px 60px rgba(4,25,52,.18);padding:15px}.v4-tablet .mini-bars span{display:block;height:28px;border-radius:8px;background:linear-gradient(90deg,#e6effc,#d9f8fb);margin:10px 0}
.v4-slider-controls{position:absolute;z-index:20;bottom:24px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:10px}.v4-dot{width:9px;height:9px;border-radius:50%;border:0;background:#b6c7dd;cursor:pointer;transition:.25s}.v4-dot.active{width:34px;border-radius:999px;background:linear-gradient(90deg,#1b6dff,#08c6df)}.v4-arrow{width:38px;height:38px;border-radius:50%;border:1px solid #d3e0f1;background:rgba(255,255,255,.85);box-shadow:0 7px 22px rgba(4,30,63,.08);cursor:pointer;color:#0c4e9e;font-size:1.1rem}

/* Trust */
.v4-trust-wrap{position:relative;z-index:8;margin-top:-44px}.v4-trust{display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,255,255,.9);backdrop-filter:blur(18px);border:1px solid rgba(25,77,137,.1);border-radius:24px;box-shadow:0 28px 70px rgba(4,30,63,.11);overflow:hidden}.v4-trust-item{padding:24px 25px;display:flex;gap:13px;align-items:flex-start}.v4-trust-item+ .v4-trust-item{border-left:1px solid #e4edf8}.v4-trust-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(145deg,#eaf2ff,#e9fbff);color:#1769ff;font-weight:800}.v4-trust-item b{display:block;font-size:1rem;margin-bottom:2px}.v4-trust-item span{color:#718196;font-size:.85rem}

/* Shared section */
.v4-section{padding:105px 0;position:relative}.v4-section.alt{background:linear-gradient(180deg,#f7fbff,#f2f7fd)}.v4-section.dark{background:linear-gradient(145deg,#031426,#08284a 58%,#073d63);color:#fff;overflow:hidden}.v4-section.dark:before{content:"";position:absolute;width:520px;height:520px;right:-190px;top:-190px;border-radius:50%;background:radial-gradient(circle,rgba(10,194,220,.22),transparent 68%)}.v4-head{max-width:780px;margin:0 auto 46px;text-align:center}.v4-head.left{text-align:left;margin-left:0}.v4-head .eyebrow{margin-bottom:12px}.v4-title{font-size:clamp(2.5rem,4.4vw,4.4rem);line-height:1.04;letter-spacing:-.045em;margin:0 0 15px;text-wrap:balance}.v4-lead{color:#62738a;font-size:1.05rem;line-height:1.75}.dark .v4-lead{color:#c0d2e7}

/* Product cards */
.v4-products{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.v4-product{position:relative;border-radius:24px;border:1px solid #e0e9f5;background:rgba(255,255,255,.92);box-shadow:0 18px 48px rgba(7,36,70,.07);overflow:hidden;transition:.3s}.v4-product:hover{transform:translateY(-8px);box-shadow:0 30px 72px rgba(7,36,70,.13);border-color:#b5cff7}.v4-product-shot{height:205px;padding:16px;background:linear-gradient(145deg,#edf5ff,#eefbff);position:relative;overflow:hidden}.v4-product-shot:after{content:"";position:absolute;width:150px;height:150px;border-radius:50%;right:-65px;top:-55px;background:radial-gradient(circle,rgba(23,105,255,.18),transparent 70%)}.mini-app{height:100%;background:#fff;border:1px solid #d9e5f4;border-radius:15px;box-shadow:0 15px 35px rgba(6,35,70,.08);padding:12px;display:grid;grid-template-columns:42px 1fr;gap:10px}.mini-app .mini-side{background:#0b2746;border-radius:9px}.mini-app .mini-content{display:flex;flex-direction:column;gap:8px}.mini-app .mini-row{height:20px;background:#edf3fb;border-radius:6px}.mini-app .mini-row.big{height:54px;background:linear-gradient(90deg,#e6f0ff,#e3fbff)}.v4-product-body{padding:23px}.v4-product h3{font-size:1.35rem;margin:0 0 7px}.v4-product p{margin:0;color:#68798f;line-height:1.6}.v4-feature-list{display:flex;gap:7px;flex-wrap:wrap;margin:16px 0}.v4-feature-list span{font-size:.75rem;font-weight:700;padding:6px 9px;border-radius:999px;background:#f1f6fd;color:#41607d;border:1px solid #e2ebf6}.v4-product-foot{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-top:16px}.v4-price{font-weight:800}.v4-price small{display:block;color:#7c8a9d;font-weight:500;font-size:.7rem}

/* Finder */
.v4-finder{max-width:850px;margin:0 auto}.v4-search{display:flex;gap:10px;padding:10px;background:#fff;border:1px solid #dfe8f4;border-radius:18px;box-shadow:0 20px 55px rgba(6,32,64,.08)}.v4-search input{border:0;outline:0;flex:1;padding:11px 12px;font:inherit;color:#0e223c;background:transparent}.v4-chips{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:18px}.v4-chip{border:1px solid #dce7f5;background:#fff;border-radius:999px;padding:8px 13px;font-weight:600;color:#4f647f;cursor:pointer;transition:.2s}.v4-chip:hover,.v4-chip.active{color:#0c5ddd;border-color:#9fc2f7;background:#edf5ff}

/* Device showcase */
.v4-showcase-grid{display:grid;grid-template-columns:270px 1fr;gap:32px;align-items:stretch}.v4-tabs{display:flex;flex-direction:column;gap:10px}.v4-show-tab{display:flex;align-items:center;justify-content:space-between;text-align:left;border:1px solid #dfe8f4;background:#fff;border-radius:16px;padding:15px 17px;font:inherit;font-weight:700;color:#36506c;cursor:pointer;transition:.25s}.v4-show-tab:after{content:"→";opacity:.45}.v4-show-tab.active{background:linear-gradient(135deg,#0c3260,#0e5fa9);color:#fff;border-color:transparent;box-shadow:0 14px 30px rgba(9,68,126,.18)}.v4-device-shell{min-height:520px;border-radius:30px;background:linear-gradient(145deg,#06182d,#0b365f);padding:34px;position:relative;overflow:hidden;box-shadow:0 35px 90px rgba(5,27,55,.18)}.v4-device-shell:before{content:"";position:absolute;width:390px;height:390px;right:-120px;top:-130px;border-radius:50%;background:radial-gradient(circle,rgba(12,200,224,.22),transparent 66%)}.showcase-laptop{position:relative;z-index:2;height:420px;border:10px solid #183754;border-radius:24px;background:#f6f9fe;padding:18px;box-shadow:0 30px 70px rgba(0,0,0,.25)}.showcase-laptop .ui-view{height:100%;display:none}.showcase-laptop .ui-view.active{display:grid;animation:softIn .45s ease}.ui-grid{display:grid;grid-template-columns:150px 1fr;gap:14px;height:100%}.ui-side{background:#082747;border-radius:13px;padding:14px}.ui-side .bar{height:8px;border-radius:8px;background:rgba(255,255,255,.16);margin:11px 0}.ui-side .bar.head{height:31px;background:linear-gradient(135deg,#1769ff,#08c6df);margin-bottom:20px}.ui-main{display:flex;flex-direction:column;gap:12px}.ui-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.ui-kpis div{padding:12px;border-radius:11px;background:white;border:1px solid #dfe8f4}.ui-chart{flex:1;border-radius:14px;background:linear-gradient(180deg,#fff,#eef6ff);border:1px solid #dfe8f4;position:relative;overflow:hidden}.ui-chart:before{content:"";position:absolute;inset:20% 8% 18%;background:linear-gradient(140deg,transparent 22%,rgba(23,105,255,.12) 23% 35%,transparent 36% 48%,rgba(8,198,223,.14) 49% 62%,transparent 63%)}.showcase-phone{position:absolute;right:20px;bottom:6px;width:145px;height:284px;border:8px solid #09192a;border-radius:29px;background:#f9fbff;z-index:6;box-shadow:0 23px 65px rgba(0,0,0,.28);padding:13px}.showcase-phone .phone-block{height:48px;border-radius:11px;background:#fff;border:1px solid #dfe9f4;margin:9px 0}.showcase-caption{position:absolute;left:50px;bottom:36px;z-index:7;color:#bcd6ee;font-size:.9rem}

/* Story */
.v4-story{display:grid;grid-template-columns:1fr .95fr;gap:58px;align-items:center}.v4-story-photo{position:relative;min-height:560px}.v4-story-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:32px;box-shadow:var(--v4-shadow)}.v4-story-photo:after{content:"";position:absolute;inset:0;border-radius:32px;background:linear-gradient(0deg,rgba(2,20,37,.23),transparent 48%)}.story-float{position:absolute;z-index:3;right:-25px;bottom:34px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.75);box-shadow:0 18px 45px rgba(5,28,58,.15);border-radius:20px;padding:17px 19px;min-width:210px}.story-float b{font-size:1.3rem;font-family:'Inter',sans-serif}.v4-checks{display:grid;gap:12px;margin:24px 0}.v4-check{display:flex;gap:11px;align-items:flex-start}.v4-check i{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#e8f8f2;color:#079863;font-style:normal;font-weight:800}.v4-check b{display:block;margin-bottom:2px}.v4-check span{color:#6b7d91;font-size:.9rem}

/* Industry slider */
.v4-carousel{position:relative}.v4-track{display:flex;gap:18px;overflow:auto;scroll-snap-type:x mandatory;padding:6px 4px 20px;scrollbar-width:none}.v4-track::-webkit-scrollbar{display:none}.industry-card{min-width:min(410px,78vw);height:420px;scroll-snap-align:start;border-radius:26px;overflow:hidden;position:relative;box-shadow:0 22px 55px rgba(7,33,65,.11);background:#0a2746}.industry-card img{width:100%;height:100%;object-fit:cover;display:block;transition:.5s}.industry-card:hover img{transform:scale(1.04)}.industry-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(3,19,35,.92),rgba(3,19,35,.12) 70%)}.industry-card .content{position:absolute;z-index:2;left:24px;right:24px;bottom:22px;color:#fff}.industry-card h3{font-size:1.7rem;margin:0 0 7px}.industry-card p{color:#c7d8e9;margin:0 0 15px}.industry-card .tags{display:flex;flex-wrap:wrap;gap:7px}.industry-card .tags span{font-size:.75rem;padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18)}.carousel-nav{display:flex;gap:9px;justify-content:flex-end;margin-top:10px}.carousel-nav button{width:42px;height:42px;border-radius:50%;border:1px solid #dce7f5;background:#fff;cursor:pointer;color:#0d59bd}

/* Dark custom */
.v4-custom-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center;position:relative;z-index:2}.v4-flow{display:grid;gap:11px}.v4-flow-step{display:flex;gap:15px;align-items:center;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.07);backdrop-filter:blur(12px);padding:15px;border-radius:16px}.v4-flow-step b.num{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(145deg,#1769ff,#08c6df);font-family:'Inter',sans-serif}.v4-flow-step strong{display:block}.v4-flow-step span{color:#b8cade;font-size:.85rem}

/* Bento */
.v4-bento{display:grid;grid-template-columns:1.25fr .75fr .75fr;grid-template-rows:repeat(2,270px);gap:18px}.bento-card{border:1px solid #dfe9f5;background:white;border-radius:25px;padding:25px;position:relative;overflow:hidden;box-shadow:0 18px 48px rgba(6,33,67,.06);transition:.28s}.bento-card:hover{transform:translateY(-6px);box-shadow:0 28px 65px rgba(6,33,67,.11)}.bento-card.big{grid-row:1/3}.bento-card h3{font-size:1.45rem;margin:0 0 9px}.bento-card p{color:#6c7b8f;line-height:1.65}.bento-visual{position:absolute;left:24px;right:24px;bottom:22px;height:120px;border-radius:17px;background:linear-gradient(145deg,#eef5ff,#e9fbff);border:1px solid #dbe8f6;overflow:hidden}.bento-visual:before{content:"";position:absolute;inset:17px;background:linear-gradient(90deg,#fff 48%,transparent 48% 52%,#fff 52%);border-radius:12px;box-shadow:0 12px 28px rgba(8,39,73,.08)}.bento-card.big .bento-visual{height:300px}.bento-card.big .bento-visual:after{content:"";position:absolute;width:190px;height:190px;border-radius:50%;right:-80px;top:-70px;background:radial-gradient(circle,rgba(23,105,255,.25),transparent 68%)}

/* Demo carousel */
.demo-slide{min-width:min(930px,88vw);scroll-snap-align:center;display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center;border-radius:30px;background:linear-gradient(145deg,#05182d,#0b3157);padding:30px;color:#fff;box-shadow:0 26px 68px rgba(5,27,55,.18)}.demo-device{height:380px;background:#0e2c4a;border:9px solid #183d60;border-radius:22px;padding:15px;box-shadow:0 25px 60px rgba(0,0,0,.25)}.demo-device .screen{height:100%;background:#f6f9fe;border-radius:12px;padding:14px}.demo-copy p{color:#bfd1e3}.demo-copy ul{padding-left:20px;color:#dbe9f7;line-height:1.9}

/* Timeline */
.v4-timeline{display:grid;grid-template-columns:repeat(7,1fr);position:relative;gap:8px;margin-top:30px}.v4-timeline:before{content:"";position:absolute;left:4%;right:4%;top:23px;height:3px;background:#dce8f7;border-radius:999px}.v4-progress-line{position:absolute;left:4%;top:23px;height:3px;width:0;background:linear-gradient(90deg,#1769ff,#08c6df);border-radius:999px;transition:width 1.2s ease}.timeline-step{position:relative;text-align:center;z-index:2}.timeline-step .dot{width:48px;height:48px;margin:0 auto 13px;border-radius:50%;display:grid;place-items:center;background:#fff;border:2px solid #bfd3ef;color:#1769ff;font-weight:800;box-shadow:0 7px 20px rgba(6,34,68,.07)}.timeline-step b{display:block;font-size:.95rem}.timeline-step span{display:block;color:#7a899c;font-size:.78rem;margin-top:3px}

/* Ecosystem */
.eco-wrap{position:relative;min-height:560px;display:grid;place-items:center}.eco-core{width:180px;height:180px;border-radius:50%;display:grid;place-items:center;text-align:center;background:linear-gradient(145deg,#1769ff,#08c6df);box-shadow:0 0 0 22px rgba(23,105,255,.08),0 0 0 48px rgba(8,198,223,.05),0 30px 70px rgba(0,0,0,.24);font-weight:800;font-size:1.35rem;z-index:5}.eco-node{position:absolute;min-width:150px;padding:13px 15px;text-align:center;border-radius:14px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(12px);font-weight:700;color:#e9f4ff;box-shadow:0 14px 40px rgba(0,0,0,.13)}.eco-node:before{content:"";position:absolute;inset:-2px;border-radius:inherit;border:1px solid rgba(8,198,223,.2);animation:nodePulse 3s ease-in-out infinite}.eco-node.n1{top:7%;left:21%}.eco-node.n2{top:7%;right:21%}.eco-node.n3{top:42%;left:4%}.eco-node.n4{top:42%;right:4%}.eco-node.n5{bottom:7%;left:21%}.eco-node.n6{bottom:7%;right:21%}.eco-lines{position:absolute;inset:0;width:100%;height:100%;opacity:.58}.eco-lines line{stroke:#4aaef8;stroke-width:1.5;stroke-dasharray:8 8;animation:dash 12s linear infinite}

/* Admin-client */
.portal-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.portal-card{background:#fff;border:1px solid #dfe8f4;border-radius:27px;padding:22px;box-shadow:0 24px 60px rgba(5,31,64,.09)}.portal-screen{height:340px;border-radius:18px;background:#f5f8fd;border:1px solid #dfe9f5;padding:13px;display:grid;grid-template-columns:80px 1fr;gap:10px}.portal-side{background:#082747;border-radius:12px}.portal-main{display:flex;flex-direction:column;gap:10px}.portal-top{height:50px;background:white;border-radius:10px;border:1px solid #e1e9f4}.portal-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.portal-kpis div{height:60px;background:#fff;border:1px solid #e1eaf5;border-radius:10px}.portal-table{flex:1;background:white;border:1px solid #e1eaf5;border-radius:12px;position:relative}.portal-table:before{content:"";position:absolute;left:14px;right:14px;top:18px;height:8px;background:#e7eef8;border-radius:8px;box-shadow:0 27px 0 #eff4fa,0 54px 0 #eff4fa,0 81px 0 #eff4fa,0 108px 0 #eff4fa}

/* Pricing */
.v4-pricing{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.v4-plan{border:1px solid #dce7f4;border-radius:24px;background:#fff;padding:25px;position:relative;box-shadow:0 16px 42px rgba(7,34,67,.06)}.v4-plan.featured{border-color:#7caaff;box-shadow:0 26px 64px rgba(23,105,255,.16);transform:translateY(-8px)}.v4-plan.featured:before{content:"জনপ্রিয়";position:absolute;right:18px;top:-12px;padding:5px 10px;border-radius:999px;background:linear-gradient(90deg,#1769ff,#08c6df);color:#fff;font-size:.72rem;font-weight:700}.v4-plan h3{margin:0}.v4-plan .amount{font-family:'Inter',sans-serif;font-size:2.25rem;font-weight:800;margin:18px 0 4px}.v4-plan ul{padding-left:18px;color:#60738b;line-height:1.9}

/* FAQ */
.v4-faq{max-width:900px;margin:0 auto;display:grid;gap:10px}.faq-item{border:1px solid #dfe8f4;background:#fff;border-radius:16px;overflow:hidden}.faq-q{width:100%;display:flex;justify-content:space-between;gap:18px;align-items:center;text-align:left;padding:18px 20px;border:0;background:transparent;font:inherit;font-weight:700;color:#16314f;cursor:pointer}.faq-q span:last-child{font-size:1.3rem;color:#1769ff}.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}.faq-a div{padding:0 20px 20px;color:#667a91;line-height:1.7}.faq-item.open .faq-a{max-height:180px}.faq-item.open .faq-q span:last-child{transform:rotate(45deg)}

/* Final CTA */
.v4-final{border-radius:32px;overflow:hidden;background:linear-gradient(135deg,#031426,#082f57 60%,#07506d);padding:54px;color:#fff;position:relative;box-shadow:0 35px 90px rgba(4,28,58,.2)}.v4-final:after{content:"";position:absolute;width:340px;height:340px;border-radius:50%;right:-100px;top:-140px;background:radial-gradient(circle,rgba(8,198,223,.28),transparent 68%)}.v4-final-grid{display:grid;grid-template-columns:1fr .75fr;gap:30px;align-items:center;position:relative;z-index:2}.v4-final h2{font-size:clamp(2.6rem,4.5vw,4.4rem);line-height:1.04;margin:0 0 12px}.v4-final p{color:#c2d5e8}.final-devices{height:260px;position:relative}.final-devices .lap{position:absolute;left:0;right:32px;top:12px;height:205px;background:#0b2949;border:8px solid #163d62;border-radius:18px;padding:12px}.final-devices .lap .s{height:100%;background:#f5f9ff;border-radius:9px}.final-devices .mob{position:absolute;right:0;bottom:0;width:92px;height:176px;border:7px solid #06182c;border-radius:22px;background:#f8fbff}

.v4-photo-credit{font-size:.72rem;color:#8695a8;margin-top:8px}.v4-photo-credit a{color:inherit;text-decoration:underline}.v4-footer-note{font-size:.78rem;color:#8ca0b8;margin-top:12px}

/* Motion */
.v4-reveal{opacity:0;transform:translateY(26px);transition:opacity .75s ease,transform .75s cubic-bezier(.2,.72,.2,1)}.v4-reveal.visible{opacity:1;transform:none}.v4-shine{position:relative;overflow:hidden}.v4-shine:after{content:"";position:absolute;top:-30%;bottom:-30%;width:75px;left:-120px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);transform:rotate(18deg);animation:shine 5.8s ease-in-out infinite}
@keyframes mediaFloat{0%,100%{transform:perspective(1200px) rotateY(-4deg) translateY(0)}50%{transform:perspective(1200px) rotateY(-2deg) translateY(-9px)}}
@keyframes floatCard{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
@keyframes orbFloat{0%,100%{transform:translate(0,0)}50%{transform:translate(-20px,18px)}}
@keyframes drawLine{to{stroke-dashoffset:0}}@keyframes areaIn{to{opacity:1}}@keyframes softIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes nodePulse{0%,100%{opacity:.2}50%{opacity:.65}}@keyframes dash{to{stroke-dashoffset:-160}}@keyframes shine{0%,68%{left:-120px}88%,100%{left:120%}}

@media(max-width:1100px){
 .v4-slide .container{grid-template-columns:1fr 1fr;gap:28px}.v4-hero h1{font-size:4.7rem}.v4-media{min-height:470px}.v4-photo-wrap{left:30px}.v4-products{grid-template-columns:repeat(2,1fr)}.v4-bento{grid-template-columns:1fr 1fr;grid-template-rows:auto}.bento-card.big{grid-row:auto;grid-column:1/3;min-height:430px}.v4-pricing{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:820px){
 .v4-hero{min-height:930px}.v4-slider,.v4-slide .container{min-height:850px}.v4-slide .container{grid-template-columns:1fr;align-content:center;padding-top:50px;gap:24px}.v4-hero h1{font-size:4.3rem}.v4-media{min-height:420px}.v4-photo-wrap{inset:0 0 0 0;transform:none}.v4-laptop{height:275px;left:8px;right:8px}.v4-float-card.c1{right:4px}.v4-float-card.c2{left:4px}.v4-slider-controls{bottom:16px}.v4-trust-wrap{margin-top:-20px}.v4-trust{grid-template-columns:1fr 1fr}.v4-trust-item:nth-child(3){border-left:0;border-top:1px solid #e4edf8}.v4-trust-item:nth-child(4){border-top:1px solid #e4edf8}.v4-showcase-grid,.v4-story,.v4-custom-grid,.portal-grid,.v4-final-grid{grid-template-columns:1fr}.v4-tabs{display:grid;grid-template-columns:repeat(3,1fr)}.v4-show-tab{padding:12px}.v4-show-tab:after{display:none}.v4-timeline{grid-template-columns:repeat(4,1fr);gap:24px}.v4-timeline:before,.v4-progress-line{display:none}.eco-node.n1{left:6%}.eco-node.n2{right:6%}.eco-node.n3{left:0}.eco-node.n4{right:0}.eco-node.n5{left:6%}.eco-node.n6{right:6%}.demo-slide{grid-template-columns:1fr}.demo-device{height:320px}
}
@media(max-width:620px){
 .v4-home .announce .container{font-size:.75rem;text-align:center;padding:6px 0}.v4-home .announce span{display:none}.v4-hero{min-height:900px}.v4-slider,.v4-slide .container{min-height:845px}.v4-slide .container{padding-top:42px}.v4-hero h1{font-size:3.45rem}.v4-hero p{font-size:1.02rem;line-height:1.65}.v4-actions .btn{width:100%;justify-content:center}.v4-micro{gap:8px 12px;font-size:.82rem}.v4-media{min-height:345px}.v4-photo-wrap{border-radius:24px}.v4-laptop{height:235px;bottom:0}.v4-screen{grid-template-columns:52px 1fr;padding:10px}.v4-screen .side{padding:10px 7px}.v4-screen-kpis{grid-template-columns:1fr 1fr}.device-kpi:nth-child(3){display:none}.v4-chart{height:85px}.v4-float-card{padding:9px 11px;min-width:125px}.v4-float-card.c2{top:55px}.v4-float-card.c3{bottom:62px}.v4-trust{grid-template-columns:1fr}.v4-trust-item+ .v4-trust-item{border-left:0;border-top:1px solid #e4edf8}.v4-section{padding:76px 0}.v4-title{font-size:2.55rem}.v4-products{grid-template-columns:1fr}.v4-search{display:grid}.v4-tabs{grid-template-columns:repeat(2,1fr)}.v4-device-shell{padding:18px;min-height:420px}.showcase-laptop{height:340px}.showcase-phone{width:105px;height:210px}.ui-grid{grid-template-columns:76px 1fr}.ui-kpis{grid-template-columns:1fr 1fr}.ui-kpis div:nth-child(3){display:none}.v4-story-photo{min-height:420px}.story-float{right:10px;bottom:16px}.industry-card{min-width:84vw;height:360px}.v4-bento{grid-template-columns:1fr}.bento-card.big{grid-column:auto}.bento-card{min-height:280px}.bento-card.big{min-height:430px}.demo-slide{min-width:88vw;padding:20px}.demo-device{height:260px}.v4-timeline{grid-template-columns:repeat(2,1fr)}.eco-wrap{min-height:500px;transform:scale(.9)}.eco-node{min-width:118px;font-size:.78rem}.eco-node.n1{left:0}.eco-node.n2{right:0}.eco-node.n3{left:-12px}.eco-node.n4{right:-12px}.eco-node.n5{left:0}.eco-node.n6{right:0}.portal-screen{height:290px;grid-template-columns:55px 1fr}.v4-pricing{grid-template-columns:1fr}.v4-plan.featured{transform:none}.v4-final{padding:34px 22px}.final-devices{height:200px}.v4-final h2{font-size:2.65rem}
}
@media(prefers-reduced-motion:reduce){.v4-slide,.v4-product,.v4-reveal,.v4-photo-wrap,.v4-float-card,.v4-orb,.eco-lines line,.metric-chart span{animation:none!important;transition:none!important}.v4-reveal{opacity:1;transform:none}}
/* Why / projects / consultation / resources */
.v4-benefits{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.benefit-card{border:1px solid #dfe9f5;background:#fff;border-radius:22px;padding:24px;box-shadow:0 16px 44px rgba(6,33,67,.055);transition:.25s}.benefit-card:hover{transform:translateY(-5px);border-color:#b8d1f4;box-shadow:0 24px 55px rgba(6,33,67,.10)}.benefit-card .n{width:42px;height:42px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(145deg,#eaf3ff,#e9fbff);color:#1769ff;font-family:'Inter',sans-serif;font-weight:800}.benefit-card h3{margin:16px 0 7px}.benefit-card p{margin:0;color:#687b91;line-height:1.65}
.v4-projects{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.project-card{border-radius:25px;overflow:hidden;background:#fff;border:1px solid #dfe8f4;box-shadow:0 20px 50px rgba(5,31,64,.07);transition:.3s}.project-card:hover{transform:translateY(-7px);box-shadow:0 30px 68px rgba(5,31,64,.12)}.project-shot{height:245px;background:linear-gradient(145deg,#071c34,#0c3b66);padding:22px;position:relative;overflow:hidden}.project-shot:before{content:"";position:absolute;width:210px;height:210px;border-radius:50%;right:-80px;top:-80px;background:radial-gradient(circle,rgba(8,198,223,.3),transparent 68%)}.project-window{height:100%;border-radius:16px;background:#f6f9fe;border:1px solid rgba(255,255,255,.2);padding:13px;display:grid;grid-template-columns:58px 1fr;gap:10px;box-shadow:0 18px 40px rgba(0,0,0,.18)}.project-window .pside{background:#0a2a4a;border-radius:10px}.project-window .pmain{display:flex;flex-direction:column;gap:9px}.project-window .pline{height:20px;border-radius:7px;background:#e8f0fa}.project-window .pline.big{flex:1;background:linear-gradient(145deg,#e8f1ff,#e9fbff)}.project-body{padding:22px}.project-body h3{margin:0 0 7px}.project-body p{margin:0 0 15px;color:#687a90;line-height:1.6}
.consult-band{position:relative;min-height:440px;border-radius:32px;overflow:hidden;background:#06192d;box-shadow:0 35px 90px rgba(5,28,57,.18)}.consult-band img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.consult-band:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,18,34,.94) 0%,rgba(3,18,34,.80) 42%,rgba(3,18,34,.24) 78%,rgba(3,18,34,.35))}.consult-copy{position:relative;z-index:2;max-width:650px;padding:62px;color:#fff}.consult-copy h2{font-size:clamp(2.5rem,4.5vw,4.5rem);line-height:1.04;margin:0 0 13px}.consult-copy p{color:#c7d7e8;font-size:1.05rem;line-height:1.75}
.v4-resources{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.resource-card{border:1px solid #dfe8f4;background:#fff;border-radius:23px;overflow:hidden;box-shadow:0 18px 48px rgba(5,31,64,.06);transition:.25s}.resource-card:hover{transform:translateY(-5px);box-shadow:0 27px 60px rgba(5,31,64,.1)}.resource-visual{height:170px;background:linear-gradient(135deg,#eaf3ff,#e9fbff);position:relative;overflow:hidden}.resource-visual:before{content:"";position:absolute;left:24px;right:24px;top:28px;height:18px;border-radius:8px;background:#fff;box-shadow:0 38px 0 rgba(255,255,255,.8),0 76px 0 rgba(255,255,255,.65)}.resource-card .content{padding:21px}.resource-card h3{margin:0 0 8px}.resource-card p{margin:0 0 14px;color:#697b90;line-height:1.6}
@media(max-width:820px){.v4-benefits,.v4-projects,.v4-resources{grid-template-columns:1fr 1fr}.consult-copy{padding:42px}.consult-band{min-height:420px}}
@media(max-width:620px){.v4-benefits,.v4-projects,.v4-resources{grid-template-columns:1fr}.consult-band{min-height:500px}.consult-copy{padding:34px 24px}.consult-band:after{background:linear-gradient(0deg,rgba(3,18,34,.95),rgba(3,18,34,.64) 72%,rgba(3,18,34,.28))}}