/* =========================================================
   Easy Tech Solution — Main stylesheet
   Brand colours taken from the logo: blue / green / indigo
   ========================================================= */
:root{
  --blue:#1a9ad6; --blue-d:#0b6fa4; --blue-l:#e6f5fc; --cyan:#4cc3f5;
  --green:#1e9b3b; --green-l:#e7f6eb; --indigo:#3a2d8c; --indigo-l:#eeecf9;
  --navy:#06182b; --navy-2:#0b2540; --ink:#13212f; --text:#2c3a48; --muted:#627284;
  --line:#e3e9f0; --bg:#f4f8fb; --white:#fff;
  --r:14px; --r-lg:22px; --shadow:0 10px 30px -12px rgba(9,40,70,.18); --shadow-lg:0 24px 60px -20px rgba(9,40,70,.28);
  --f-head:'Poppins','Hind Siliguri',system-ui,sans-serif; --f-body:'Hind Siliguri','Poppins',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:var(--f-body);color:var(--text);background:var(--white);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden}
body.lang-bn{font-size:17px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--f-head);color:var(--ink);line-height:1.3;font-weight:700}
.lang-bn h1,.lang-bn h2,.lang-bn h3,.lang-bn h4{font-family:'Hind Siliguri',var(--f-head);line-height:1.4}
.container{width:min(1200px,100% - 32px);margin-inline:auto}
.w100{width:100%}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border-radius:999px;font-weight:600;font-size:.95rem;border:2px solid transparent;cursor:pointer;transition:.25s;font-family:inherit;white-space:nowrap}
.btn-lg{padding:14px 28px;font-size:1rem}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue-d));color:#fff;box-shadow:0 8px 20px -8px rgba(26,154,214,.7)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px -10px rgba(26,154,214,.8)}
.btn-outline{border-color:var(--blue);color:var(--blue-d)}
.btn-outline:hover{background:var(--blue);color:#fff}
.btn-light{background:#fff;color:var(--navy)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(0,0,0,.4)}
.btn-ghost-light{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn-tint{background:color-mix(in srgb,var(--c,var(--blue)) 12%,#fff);color:var(--c,var(--blue))}
.btn-tint:hover{background:var(--c,var(--blue));color:#fff}
.btn-wa{background:#25d366;color:#fff;margin-top:8px}
.link-btn{font-weight:600;color:var(--muted);font-size:.92rem}
.link-btn:hover{color:var(--c,var(--blue))}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:auto;padding-top:18px}

/* ---------- Topbar & header ---------- */
.topbar{background:var(--navy);color:#b9c8d8;font-size:.85rem}
.topbar-in{display:flex;justify-content:space-between;align-items:center;min-height:40px;gap:12px}
.tb-left,.tb-right{display:flex;gap:20px;align-items:center}
.topbar a:hover{color:#fff}
.topbar i{color:var(--cyan);margin-right:4px}
.lang-sw{display:flex;background:rgba(255,255,255,.08);border-radius:999px;padding:3px}
.lang-sw a{padding:2px 12px;border-radius:999px;font-weight:600;font-size:.8rem}
.lang-sw a.on{background:var(--blue);color:#fff}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:.3s}
.site-header.scrolled{box-shadow:0 8px 24px -14px rgba(9,40,70,.25)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:80px;gap:20px}
.brand img{height:58px;width:auto}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav>a,.has-drop>a{padding:10px 14px;border-radius:10px;font-weight:600;color:var(--ink);font-size:.95rem;display:flex;align-items:center;gap:5px;transition:.2s}
.main-nav>a:hover,.has-drop:hover>a,.main-nav>a.active,.has-drop.active>a{color:var(--blue-d);background:var(--blue-l)}
.has-drop{position:relative}
.has-drop>a i{font-size:.7rem;transition:.2s}
.has-drop:hover>a i{transform:rotate(180deg)}
.drop{position:absolute;top:calc(100% + 8px);left:0;min-width:290px;background:#fff;border-radius:var(--r);box-shadow:var(--shadow-lg);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;border:1px solid var(--line)}
.has-drop:hover .drop{opacity:1;visibility:visible;transform:none}
.drop::before{content:"";position:absolute;inset:-10px 0 auto;height:10px}
.drop a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;font-weight:500;font-size:.93rem;color:var(--text)}
.drop a i{width:34px;height:34px;display:grid;place-items:center;border-radius:9px;background:var(--blue-l);color:var(--blue-d);font-size:1rem;flex:none}
.drop a:hover{background:var(--bg);color:var(--blue-d)}
.nav-cta{margin-left:10px;padding:10px 20px}
.nav-cta:hover{background:linear-gradient(135deg,var(--blue),var(--blue-d))!important;color:#fff!important}
.nav-toggle{display:none;width:44px;height:44px;border:0;background:var(--blue-l);border-radius:10px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{width:20px;height:2px;background:var(--blue-d);border-radius:2px;transition:.3s}
.nav-toggle.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.on span:nth-child(2){opacity:0}
.nav-toggle.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;color:#cfe0ef;background:
  radial-gradient(900px 500px at 85% 40%,rgba(26,154,214,.28),transparent 60%),
  radial-gradient(600px 400px at 10% 90%,rgba(58,45,140,.35),transparent 60%),
  linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%)}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:26px 26px;mask-image:linear-gradient(180deg,#000,transparent 95%);pointer-events:none}
.hero-circuit{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero-circuit .traces path{fill:none;stroke:rgba(76,195,245,.22);stroke-width:2;stroke-dasharray:6 10;animation:dash 30s linear infinite}
.hero-circuit .traces circle{fill:var(--navy);stroke:rgba(76,195,245,.55);stroke-width:2}
.hero-circuit .pulse{fill:none;stroke:var(--cyan);stroke-width:2.5;stroke-linejoin:round;opacity:.55;stroke-dasharray:1800;stroke-dashoffset:1800;animation:pulse 6s ease-in-out infinite;filter:drop-shadow(0 0 6px var(--cyan))}
@keyframes dash{to{stroke-dashoffset:-400}}
@keyframes pulse{0%{stroke-dashoffset:1800}55%,70%{stroke-dashoffset:0;opacity:.6}100%{stroke-dashoffset:-1800;opacity:0}}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;min-height:620px;padding:70px 0}
.hero-slides{display:grid}
.hslide{grid-area:1/1;opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .7s,transform .7s,visibility .7s}
.hslide.on{opacity:1;visibility:visible;transform:none}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(76,195,245,.12);border:1px solid rgba(76,195,245,.35);color:var(--cyan);padding:6px 16px;border-radius:999px;font-weight:600;font-size:.88rem;margin-bottom:22px}
.hero h1{color:#fff;font-size:clamp(2rem,4.2vw,3.4rem);font-weight:800;margin-bottom:20px;letter-spacing:-.5px}
.lang-bn .hero h1{letter-spacing:0;font-size:clamp(2rem,4vw,3.2rem)}
.hero h1 span{background:linear-gradient(90deg,var(--cyan),#7be0a0);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:1.1rem;max-width:560px;margin-bottom:32px;color:#b6c9db}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-dots{display:flex;gap:8px;margin-top:40px}
.hero-dots button{width:10px;height:10px;border-radius:999px;border:0;background:rgba(255,255,255,.3);cursor:pointer;transition:.3s}
.hero-dots button.on{width:34px;background:var(--cyan)}

/* Orbit graphic */
.hero-visual{display:flex;justify-content:center}
.orbit-wrap{position:relative;width:min(460px,90vw);aspect-ratio:1}
.ring{position:absolute;border-radius:50%;border:1px dashed rgba(76,195,245,.3);inset:0}
.ring.r2{inset:16%;border-style:solid;border-color:rgba(76,195,245,.18)}
.ring.r3{inset:32%;border-color:rgba(76,195,245,.12);background:radial-gradient(circle,rgba(26,154,214,.25),transparent 70%)}
.core{position:absolute;inset:34%;border-radius:50%;background:#fff;display:grid;place-items:center;box-shadow:0 0 0 10px rgba(26,154,214,.15),0 0 80px rgba(76,195,245,.55);animation:breathe 4s ease-in-out infinite}
.core img{width:84%;}
@keyframes breathe{50%{box-shadow:0 0 0 18px rgba(26,154,214,.08),0 0 110px rgba(76,195,245,.7)}}
.orbit{position:absolute;inset:0;animation:spin 40s linear infinite}
.chip{--a:calc(360deg / var(--n) * var(--i));position:absolute;top:50%;left:50%;width:58px;height:58px;margin:-29px;border-radius:16px;display:grid;place-items:center;font-size:1.45rem;color:#fff;
  background:linear-gradient(135deg,rgba(26,154,214,.9),rgba(58,45,140,.9));border:1px solid rgba(255,255,255,.25);box-shadow:0 10px 24px -8px rgba(0,0,0,.5);
  transform:rotate(var(--a)) translate(calc(min(460px,90vw) / 2)) rotate(calc(-1 * var(--a)))}
.chip i{animation:spin 40s linear infinite reverse}
.chip:nth-child(even){background:linear-gradient(135deg,rgba(30,155,59,.95),rgba(26,154,214,.9))}
@keyframes spin{to{transform:rotate(360deg)}}
.float-card{position:absolute;display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.95);color:var(--ink);padding:12px 16px;border-radius:14px;box-shadow:var(--shadow-lg);animation:float 5s ease-in-out infinite}
.float-card i{width:40px;height:40px;border-radius:10px;display:grid;place-items:center;background:var(--green-l);color:var(--green);font-size:1.2rem}
.float-card b{display:block;font-family:var(--f-head);font-size:1.05rem;line-height:1.1}
.float-card small{color:var(--muted);font-size:.8rem}
.fc1{left:-6%;bottom:12%}
.fc2{right:-6%;top:10%;animation-delay:-2.5s}
.fc2 i{background:var(--blue-l);color:var(--blue-d)}
@keyframes float{50%{transform:translateY(-12px)}}

/* ---------- Pillars ---------- */
.pillars{position:relative;z-index:3;margin-top:-56px}
.pillars-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.pillar{position:relative;display:flex;gap:20px;align-items:flex-start;padding:30px;border-radius:var(--r-lg);background:#fff;box-shadow:var(--shadow-lg);border:1px solid var(--line);overflow:hidden;transition:.3s}
.pillar::before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
.pillar-sw::before{background:linear-gradient(90deg,var(--green),var(--indigo))}
.pillar:hover{transform:translateY(-6px)}
.pillar-ic{flex:none;width:64px;height:64px;border-radius:18px;display:grid;place-items:center;font-size:1.8rem;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-d))}
.pillar-sw .pillar-ic{background:linear-gradient(135deg,var(--green),#13742a)}
.pillar h3{font-size:1.3rem;margin-bottom:2px}
.pillar p{color:var(--muted);font-weight:500;margin-bottom:12px}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tags em{font-style:normal;font-size:.8rem;padding:3px 10px;border-radius:999px;background:var(--bg);color:var(--text);border:1px solid var(--line)}
.pillar .go{position:absolute;top:24px;right:24px;font-size:1.3rem;color:var(--muted);transition:.3s}
.pillar:hover .go{color:var(--blue);transform:translate(3px,-3px)}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section-soft{background:var(--bg)}
.sec-head{text-align:center;max-width:720px;margin:0 auto 52px}
.sec-head h2{font-size:clamp(1.7rem,3vw,2.4rem);margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:1.05rem}
.sec-head .lead{font-size:1.15rem;color:var(--text)}
.row-head{display:flex;justify-content:space-between;align-items:flex-end;text-align:left;max-width:none;gap:20px}
.kicker{display:inline-flex;align-items:center;gap:10px;color:var(--blue-d);font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:1.5px;margin-bottom:10px}
.lang-bn .kicker{letter-spacing:.5px;font-size:.95rem}
.kicker::before{content:"";width:28px;height:2px;background:linear-gradient(90deg,var(--blue),var(--green))}
.empty{text-align:center;color:var(--muted);padding:40px}

/* Hardware cards */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc-card{position:relative;display:flex;flex-direction:column;padding:32px 28px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);overflow:hidden;transition:.35s}
.svc-card::after{content:"";position:absolute;right:-60px;bottom:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,var(--blue-l),transparent 70%);transition:.4s;z-index:0}
.svc-card>*{position:relative;z-index:1}
.svc-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent}
.svc-card:hover::after{transform:scale(2.2)}
.svc-num{position:absolute;top:22px;right:26px;font-family:var(--f-head);font-weight:800;font-size:2.4rem;color:var(--bg);-webkit-text-stroke:1px var(--line)}
.svc-ic{width:64px;height:64px;border-radius:18px;display:grid;place-items:center;font-size:1.75rem;color:var(--blue-d);background:var(--blue-l);margin-bottom:22px;transition:.35s}
.svc-ic.sm{width:54px;height:54px;font-size:1.5rem;margin-bottom:16px}
.svc-card:hover .svc-ic{background:linear-gradient(135deg,var(--blue),var(--blue-d));color:#fff;transform:rotate(-6deg)}
.svc-card h3{font-size:1.2rem;margin-bottom:8px}
.svc-card p{color:var(--muted);margin-bottom:18px}
.more{margin-top:auto;font-weight:600;color:var(--blue-d);display:inline-flex;gap:6px;align-items:center}
.more i{transition:.25s}
.svc-card:hover .more i{transform:translateX(5px)}

/* Stats */
.stats{background:linear-gradient(120deg,var(--blue-d),var(--blue) 50%,var(--indigo));color:#fff;padding:56px 0;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.12) 1px,transparent 1px);background-size:22px 22px}
.stats-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center}
.stat>i{font-size:1.8rem;opacity:.85}
.stat div{font-family:var(--f-head);font-size:2.6rem;font-weight:800;line-height:1.2}
.stat span{opacity:.9;font-weight:500}

/* Software */
.sw-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.sw-intro{position:sticky;top:110px}
.sw-intro h2{font-size:clamp(1.7rem,3vw,2.4rem);margin-bottom:12px}
.sw-intro>p{color:var(--muted);font-size:1.05rem;margin-bottom:30px}
.sw-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.sw-card{position:relative;display:flex;flex-direction:column;gap:14px;padding:26px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);transition:.3s;overflow:hidden}
.sw-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c);transform:scaleY(0);transform-origin:top;transition:.35s}
.sw-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.sw-card:hover::before{transform:none}
.sw-ic{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;font-size:1.5rem;color:var(--c);background:color-mix(in srgb,var(--c) 12%,#fff)}
.sw-ic.big{width:66px;height:66px;font-size:1.8rem;border-radius:18px}
.sw-card h3{font-size:1.08rem;margin-bottom:4px}
.sw-card p{color:var(--muted);font-size:.93rem}
.sw-card .go{position:absolute;top:26px;right:24px;color:var(--c);opacity:0;transform:translateX(-6px);transition:.3s}
.sw-card:hover .go{opacity:1;transform:none}

/* Dashboard mock graphic */
.dash-mock{background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);overflow:hidden;border:1px solid var(--line)}
.dm-bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:var(--navy)}
.dm-bar i{width:10px;height:10px;border-radius:50%;background:#ff5f57}
.dm-bar i:nth-child(2){background:#febc2e}.dm-bar i:nth-child(3){background:#28c840}
.dm-bar span{margin-left:10px;color:#8fa6bd;font-size:.78rem;font-family:var(--f-head)}
.dm-body{display:flex;min-height:230px}
.dm-side{width:22%;background:var(--bg);padding:16px 12px;display:flex;flex-direction:column;gap:10px;border-right:1px solid var(--line)}
.dm-side b{height:10px;border-radius:5px;background:#d6e1ec}
.dm-side b:first-child{background:var(--c,var(--blue));opacity:.8}
.dm-main{flex:1;padding:16px;display:flex;flex-direction:column;gap:14px}
.dm-kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.dm-kpis div{border:1px solid var(--line);border-radius:10px;padding:10px;display:flex;flex-direction:column;gap:6px}
.dm-kpis small{height:6px;width:60%;border-radius:3px;background:#dfe7ef}
.dm-kpis strong{height:12px;width:80%;border-radius:4px;background:var(--c,var(--blue));opacity:.75}
.dm-kpis div:nth-child(2) strong{background:var(--green)}.dm-kpis div:nth-child(3) strong{background:var(--indigo)}
.dm-chart{flex:1;display:flex;align-items:flex-end;gap:8px;min-height:90px;padding:8px;border-radius:10px;background:linear-gradient(180deg,transparent,var(--bg))}
.dm-chart span{flex:1;height:0;border-radius:6px 6px 0 0;background:linear-gradient(180deg,var(--c,var(--blue)),color-mix(in srgb,var(--c,var(--blue)) 30%,#fff));transition:height 1.2s cubic-bezier(.2,.8,.2,1)}
.in .dm-chart span,.dm-chart.in span{height:var(--h)}
.dm-rows p{height:8px;border-radius:4px;background:#e6edf4;margin-top:8px}
.dm-rows p:nth-child(2){width:85%}.dm-rows p:nth-child(3){width:65%}

/* Why + process */
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.why{padding:30px 24px;border-radius:var(--r-lg);background:linear-gradient(180deg,#fff,var(--bg));border:1px solid var(--line);text-align:center;transition:.3s}
.why:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.why i{display:inline-grid;place-items:center;width:62px;height:62px;border-radius:50%;font-size:1.6rem;color:#fff;background:linear-gradient(135deg,var(--green),#15802f);margin-bottom:16px;box-shadow:0 10px 20px -10px var(--green)}
.why:nth-child(2) i{background:linear-gradient(135deg,var(--blue),var(--blue-d));box-shadow:0 10px 20px -10px var(--blue)}
.why:nth-child(3) i{background:linear-gradient(135deg,#f39c12,#d35400);box-shadow:0 10px 20px -10px #f39c12}
.why:nth-child(4) i{background:linear-gradient(135deg,var(--indigo),#251b66);box-shadow:0 10px 20px -10px var(--indigo)}
.why h3{font-size:1.08rem;margin-bottom:6px}
.why p{color:var(--muted);font-size:.95rem}
.process{margin-top:70px;padding:44px;border-radius:var(--r-lg);background:var(--navy);color:#c3d3e3;position:relative;overflow:hidden}
.process::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 200px at 90% 0,rgba(26,154,214,.3),transparent)}
.process-title{position:relative;color:#fff;text-align:center;font-size:1.5rem;margin-bottom:36px}
.steps{position:relative;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:s}
.steps::before{content:"";position:absolute;top:34px;left:12%;right:12%;height:2px;background:repeating-linear-gradient(90deg,var(--cyan) 0 8px,transparent 8px 16px);opacity:.5}
.steps li{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px}
.step-ic{position:relative;width:68px;height:68px;border-radius:50%;display:grid;place-items:center;background:var(--navy-2);border:2px solid var(--cyan);font-size:1.6rem;color:var(--cyan);margin-bottom:10px}
.step-ic em{position:absolute;top:-6px;right:-6px;width:26px;height:26px;border-radius:50%;background:var(--green);color:#fff;font-style:normal;font-size:.8rem;font-weight:700;display:grid;place-items:center}
.steps b{color:#fff;font-size:1.02rem}
.steps small{font-size:.9rem}

/* Projects */
.proj-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.proj{background:#fff;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);transition:.35s;display:flex;flex-direction:column}
.proj:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.proj.hide{display:none}
.proj-img{position:relative;aspect-ratio:16/10;overflow:hidden}
.proj-img img{width:100%;height:100%;object-fit:cover;transition:.6s}
.proj:hover .proj-img img{transform:scale(1.07)}
.proj-ph{width:100%;height:100%;display:grid;place-items:center;font-size:3.4rem;color:rgba(255,255,255,.9);background:linear-gradient(135deg,var(--blue-d),var(--blue));position:relative;overflow:hidden}
.proj-ph::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);background-size:24px 24px}
.proj-img.sw .proj-ph{background:linear-gradient(135deg,var(--indigo),var(--green))}
.proj-cat{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.95);color:var(--ink);font-size:.78rem;font-weight:700;padding:4px 12px;border-radius:999px}
.proj-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:8px;flex:1}
.proj-body h3{font-size:1.12rem}
.proj-body p{color:var(--muted);font-size:.94rem}
.proj-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:auto;padding-top:10px;border-top:1px dashed var(--line);font-size:.85rem;color:var(--muted)}
.proj-meta i{color:var(--blue)}
.filters{display:flex;justify-content:center;gap:10px;margin-bottom:40px;flex-wrap:wrap}
.filters button{border:1px solid var(--line);background:#fff;padding:9px 22px;border-radius:999px;font-weight:600;cursor:pointer;font-family:inherit;color:var(--text);transition:.25s}
.filters button.on,.filters button:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* Testimonials */
.testi-sec{background:linear-gradient(180deg,#fff,var(--blue-l))}
.testi-track{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.testi{position:relative;background:#fff;border-radius:var(--r-lg);padding:32px 28px;box-shadow:var(--shadow);border:1px solid var(--line);display:flex;flex-direction:column}
.testi .q{position:absolute;top:14px;right:22px;font-size:3.6rem;color:var(--blue-l);line-height:1}
.stars{color:#f5b301;margin-bottom:12px;font-size:.9rem;display:flex;gap:2px}
.testi blockquote{color:var(--text);margin-bottom:22px;flex:1}
.testi figcaption{display:flex;align-items:center;gap:12px}
.testi figcaption img,.avatar{width:48px;height:48px;border-radius:50%;object-fit:cover;flex:none}
.avatar{display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--indigo));color:#fff;font-weight:700;font-size:1.2rem}
.testi figcaption b{display:block;color:var(--ink)}
.testi figcaption small{color:var(--muted)}

/* Clients marquee */
.clients{padding:50px 0 60px;border-top:1px solid var(--line)}
.clients-label{text-align:center;color:var(--muted);font-weight:600;margin-bottom:24px;text-transform:uppercase;letter-spacing:2px;font-size:.85rem}
.marquee{overflow:hidden;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-in{display:flex;gap:20px;width:max-content;animation:marquee 35s linear infinite}
.marquee:hover .marquee-in{animation-play-state:paused}
.client{display:flex;align-items:center;gap:10px;height:72px;padding:0 26px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--muted);font-weight:600;white-space:nowrap}
.client img{max-height:46px;width:auto;filter:grayscale(1);opacity:.75;transition:.3s}
.client:hover img{filter:none;opacity:1}
.client i{color:var(--blue);font-size:1.3rem}
@keyframes marquee{to{transform:translateX(calc(-50% - 10px))}}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--green),#178033 40%,var(--blue-d));color:#fff;padding:54px 0;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;border:40px solid rgba(255,255,255,.08)}
.cta-in{position:relative;display:flex;align-items:center;justify-content:space-between;gap:30px}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:6px}
.cta-band p{opacity:.9}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* Footer */
.site-footer{position:relative;background:var(--navy);color:#9fb3c8;overflow:hidden}
.footer-circuit{position:absolute;inset:0;width:100%;height:100%;opacity:.5}
.footer-circuit path{fill:none;stroke:rgba(76,195,245,.18);stroke-width:2}
.footer-circuit circle{fill:none;stroke:rgba(76,195,245,.4);stroke-width:2}
.footer-grid{position:relative;display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:40px;padding:70px 0 50px}
.f-logo{display:inline-block;background:#fff;padding:12px 16px;border-radius:14px;margin-bottom:16px}
.f-logo img{height:60px;width:auto}
.f-col h4{color:#fff;font-size:1.05rem;margin-bottom:18px;position:relative;padding-bottom:10px}
.f-col h4::after{content:"";position:absolute;left:0;bottom:0;width:36px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--blue),var(--green))}
.f-col>a{display:block;padding:4px 0;transition:.2s}
.f-col>a:hover{color:#fff;transform:translateX(4px)}
.f-contact p{display:flex;gap:10px;margin-bottom:10px}
.f-contact i{color:var(--cyan);margin-top:3px}
.f-contact a:hover{color:#fff}
.f-social{display:flex;gap:10px;margin-top:18px}
.f-social a{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.07);color:#fff;transition:.25s}
.f-social a:hover{background:var(--blue);transform:translateY(-3px)}
.footer-bottom{position:relative;border-top:1px solid rgba(255,255,255,.08);padding:18px 0;font-size:.9rem}
.fb-in{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.fb-links{display:flex;gap:18px}
.fb-links a:hover{color:#fff}

.wa-float{position:fixed;left:22px;bottom:22px;z-index:60;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:1.6rem;color:#fff;background:#25d366;box-shadow:0 10px 24px -6px rgba(37,211,102,.7)}
.wa-float::before{content:"";position:absolute;inset:0;border-radius:50%;border:2px solid #25d366;animation:ping 2s infinite}
@keyframes ping{to{transform:scale(1.6);opacity:0}}
.to-top{position:fixed;right:22px;bottom:22px;z-index:60;width:46px;height:46px;border-radius:14px;border:0;background:var(--blue);color:#fff;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s;box-shadow:var(--shadow)}
.to-top.on{opacity:1;visibility:visible;transform:none}

/* ---------- Inner pages ---------- */
.page-banner{position:relative;overflow:hidden;color:#b6c9db;padding:70px 0 64px;background:radial-gradient(700px 300px at 85% 20%,rgba(26,154,214,.3),transparent 60%),linear-gradient(160deg,var(--navy),var(--navy-2))}
.pb-in{position:relative;z-index:2}
.page-banner h1{color:#fff;font-size:clamp(1.8rem,3.6vw,2.8rem);margin:10px 0 8px}
.page-banner p{max-width:640px;font-size:1.05rem}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.9rem}
.crumbs a:hover{color:#fff}
.crumbs .bi-chevron-right{font-size:.7rem;opacity:.6}
.crumbs span{color:var(--cyan)}

.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:center}
.about-visual{position:relative;padding:30px}
.av-card{position:relative;z-index:2;background:#fff;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:50px 34px;border:1px solid var(--line)}
.av-dots{position:absolute;inset:0 30% 30% 0;border-radius:var(--r-lg);background-image:radial-gradient(var(--blue) 1.5px,transparent 1.5px);background-size:18px 18px;opacity:.35}
.av-badge{position:absolute;z-index:3;right:0;bottom:0;background:linear-gradient(135deg,var(--green),#13742a);color:#fff;border-radius:18px;padding:18px 24px;text-align:center;box-shadow:var(--shadow-lg)}
.av-badge b{display:block;font-family:var(--f-head);font-size:2.2rem;line-height:1}
.about-text h2{font-size:clamp(1.7rem,3vw,2.3rem);margin-bottom:14px}
.rich p{margin-bottom:14px;color:var(--text)}
.mv-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.mv{padding:22px;border-radius:var(--r);background:var(--bg);border:1px solid var(--line)}
.mv i{font-size:1.5rem;color:var(--blue)}
.mv:nth-child(2) i{color:var(--green)}
.mv h4{margin:6px 0 4px}
.mv p{color:var(--muted);font-size:.95rem}

.svc-list{display:flex;flex-direction:column;gap:70px}
.svc-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.svc-row.rev .svc-row-media{order:2}
.svc-row-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow-lg)}
.media-ph{position:relative;aspect-ratio:4/3;border-radius:var(--r-lg);display:grid;place-items:center;overflow:hidden;background:radial-gradient(circle at 50% 50%,rgba(76,195,245,.35),transparent 55%),linear-gradient(150deg,var(--navy),var(--blue-d));box-shadow:var(--shadow-lg)}
.media-ph::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:30px 30px}
.media-ph>i{position:relative;z-index:2;font-size:5rem;color:#fff;filter:drop-shadow(0 0 20px var(--cyan))}
.media-ph.big{aspect-ratio:16/8}
.ph-ring{position:absolute;width:160px;height:160px;border-radius:50%;border:2px solid rgba(76,195,245,.45);animation:ring 3s ease-out infinite}
.ph-ring.two{animation-delay:1.5s}
@keyframes ring{from{transform:scale(.6);opacity:1}to{transform:scale(2.4);opacity:0}}
.svc-row-text h2{font-size:1.7rem;margin-bottom:10px}
.svc-row-text>p{color:var(--muted);font-size:1.05rem}
.checks{list-style:none;margin-top:16px;display:grid;gap:8px}
.checks li{display:flex;gap:10px;align-items:flex-start}
.checks i{color:var(--green);font-size:1.1rem;margin-top:2px}

.soft-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.soft-card{display:flex;flex-direction:column;padding:32px 28px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);border-top:4px solid var(--c);transition:.35s}
.soft-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.soft-top h2{font-size:1.25rem;margin:18px 0 8px}
.soft-top p{color:var(--muted)}
.soft-card .checks i{color:var(--c)}
.included{margin-top:70px;padding:40px;border-radius:var(--r-lg);background:linear-gradient(135deg,var(--blue-l),var(--green-l));text-align:center}
.included h3{font-size:1.4rem;margin-bottom:26px}
.inc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.inc{display:flex;flex-direction:column;align-items:center;gap:10px;padding:22px 14px;background:#fff;border-radius:var(--r);font-weight:600;color:var(--ink)}
.inc i{font-size:1.8rem;color:var(--blue)}
.inc-grid.compact .inc{flex-direction:row;padding:14px;text-align:left;border:1px solid var(--line)}
.inc-grid.compact .inc i{font-size:1.4rem;color:var(--c,var(--blue))}

.detail-grid{display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:start}
.detail-hero{margin-bottom:30px}
.detail-hero img{width:100%;border-radius:var(--r-lg);box-shadow:var(--shadow-lg)}
.sub-h{font-size:1.3rem;margin:34px 0 16px;display:flex;align-items:center;gap:10px}
.sub-h::before{content:"";width:6px;height:22px;border-radius:3px;background:linear-gradient(var(--c,var(--blue)),var(--green))}
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feat{display:flex;gap:10px;align-items:flex-start;padding:14px 16px;border-radius:12px;background:var(--bg);border:1px solid var(--line)}
.feat i{color:var(--c,var(--green));font-size:1.15rem;margin-top:2px}
.brand-chips{display:flex;flex-wrap:wrap;gap:10px}
.brand-chips span{padding:8px 18px;border-radius:10px;border:1px solid var(--line);font-weight:600;font-family:var(--f-head);color:var(--ink);background:#fff}
.detail-side{position:sticky;top:110px;display:flex;flex-direction:column;gap:22px}
.side-card{padding:26px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line)}
.side-card h4{margin-bottom:14px}
.quote-card{background:linear-gradient(150deg,var(--navy),var(--blue-d));color:#c7d9ea;border:0;display:flex;flex-direction:column;gap:12px}
.quote-card>i{font-size:2.2rem;color:var(--cyan)}
.quote-card h4{color:#fff;margin:0;font-size:1.1rem}
.side-phone{text-align:center;color:#fff;font-weight:600}
.side-links{display:flex;flex-direction:column}
.side-links a{display:flex;align-items:center;gap:12px;padding:11px 4px;border-bottom:1px dashed var(--line);font-weight:500;transition:.2s}
.side-links a:last-child{border:0}
.side-links a i:first-child{color:var(--c,var(--blue));font-size:1.15rem}
.side-links .end{margin-left:auto;font-size:.75rem;color:var(--muted)}
.side-links a:hover{color:var(--blue-d);padding-left:8px}

.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}
.contact-info{padding:36px;border-radius:var(--r-lg);background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#c3d3e3;display:flex;flex-direction:column;gap:20px}
.contact-info h2{color:#fff;font-size:1.4rem}
.ci{display:flex;gap:16px;align-items:flex-start}
.ci>i{flex:none;width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:rgba(76,195,245,.12);color:var(--cyan);font-size:1.25rem}
.ci small{display:block;opacity:.75}
.ci b{color:#fff;font-weight:600}
.contact-form-wrap{padding:36px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.contact-form-wrap h2{font-size:1.4rem;margin-bottom:18px}
.cform{display:flex;flex-direction:column;gap:16px}
.cform label{display:flex;flex-direction:column;gap:6px;font-weight:600;font-size:.92rem;color:var(--ink)}
.cform input,.cform select,.cform textarea{font:inherit;font-weight:400;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--bg);color:var(--text);transition:.2s;width:100%}
.cform input:focus,.cform select:focus,.cform textarea:focus{outline:0;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px var(--blue-l)}
.f2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hp{position:absolute;left:-9999px;opacity:0}
.type-tabs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:12px 14px;background:var(--bg);border-radius:12px}
.type-tabs>span{font-weight:600;color:var(--ink);margin-right:6px}
.type-tabs label{flex-direction:row;align-items:center;gap:6px;font-weight:500;cursor:pointer;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line)}
.type-tabs label:has(input:checked){border-color:var(--blue);color:var(--blue-d);background:var(--blue-l)}
.type-tabs input{width:auto;accent-color:var(--blue)}
.cform .btn{align-self:flex-start}
.alert{padding:14px 18px;border-radius:12px;margin-bottom:16px;font-weight:500;display:flex;gap:10px;align-items:center}
.alert.ok{background:var(--green-l);color:#14692a}
.alert.bad{background:#fdecec;color:#b42318}
.map{margin-top:40px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
.map iframe{width:100%;height:380px;border:0;display:block}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease,transform .8s ease;transition-delay:var(--d,0ms)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}.reveal{opacity:1;transform:none}}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .main-nav>a,.has-drop>a{padding:10px 9px;font-size:.9rem}
  .svc-grid,.proj-grid,.soft-cards,.testi-track{grid-template-columns:repeat(2,1fr)}
  .why-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .sw-layout{grid-template-columns:1fr}
  .sw-intro{position:static}
  .dash-mock{max-width:560px}
}
@media (max-width:960px){
  .nav-toggle{display:flex}
  .site-header{backdrop-filter:none;background:#fff}
  .main-nav{position:absolute;top:100%;left:0;right:0;height:calc(100vh - 70px);background:#fff;flex-direction:column;align-items:stretch;padding:16px;gap:4px;overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-10px);transition:.3s;border-top:1px solid var(--line)}
  .main-nav.open{opacity:1;visibility:visible;transform:none}
  .main-nav>a,.has-drop>a{padding:14px;font-size:1rem}
  .drop{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;padding:0 0 0 10px;display:none;min-width:0}
  .has-drop.open .drop{display:block}
  .nav-cta{margin:10px 0 0}
  .hero-in{grid-template-columns:1fr;min-height:0;padding:60px 0 110px;text-align:center}
  .hero p{margin-inline:auto}
  .hero-btns,.hero-dots{justify-content:center}
  .hero-visual{order:-1}
  .orbit-wrap{width:min(320px,74vw)}
  .chip{width:46px;height:46px;margin:-23px;font-size:1.15rem;border-radius:12px;transform:rotate(var(--a)) translate(calc(min(320px,74vw) / 2)) rotate(calc(-1 * var(--a)))}
  .float-card{display:none}
  .pillars-grid,.about-grid,.svc-row,.detail-grid,.contact-grid{grid-template-columns:1fr}
  .svc-row.rev .svc-row-media{order:0}
  .svc-row{gap:26px}
  .detail-side{position:static}
  .stats-grid{grid-template-columns:repeat(2,1fr);row-gap:34px}
  .steps{grid-template-columns:1fr 1fr;row-gap:30px}
  .steps::before{display:none}
  .inc-grid{grid-template-columns:1fr 1fr}
  .cta-in{flex-direction:column;text-align:center}
  .hide-md{display:none}
}
@media (max-width:640px){
  body{font-size:15px}body.lang-bn{font-size:16px}
  .section{padding:64px 0}
  .hide-sm{display:none}
  .nav-in{height:70px}
  .brand img{height:46px}
  .svc-grid,.proj-grid,.soft-cards,.testi-track,.why-grid,.sw-grid,.feat-grid,.mv-grid,.f2,.footer-grid{grid-template-columns:1fr}
  .pillar{flex-direction:column;padding:24px}
  .process{padding:30px 18px}
  .steps{grid-template-columns:1fr}
  .row-head{flex-direction:column;align-items:flex-start}
  .contact-info,.contact-form-wrap{padding:24px}
  .included{padding:28px 16px}
  .stat div{font-size:2rem}
  .tb-right{gap:10px}
}

/* =========================================================
   BLOG
   ========================================================= */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.post{--c:var(--blue);display:flex;flex-direction:column;background:#fff;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);transition:transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .45s;position:relative}
.post:hover{transform:translateY(-8px);box-shadow:0 30px 60px -30px color-mix(in srgb,var(--c) 55%,transparent)}
.post-media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--navy)}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .9s cubic-bezier(.2,.8,.2,1)}
.post:hover .post-media img{transform:scale(1.08)}
.post-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(6,24,43,.55));pointer-events:none}
.gen-cover{position:absolute;inset:0;display:grid;place-items:center;background:radial-gradient(circle at 70% 30%,color-mix(in srgb,var(--c) 70%,transparent),transparent 60%),linear-gradient(135deg,var(--navy),color-mix(in srgb,var(--c) 55%,var(--navy)))}
.gen-cover svg{position:absolute;inset:0;width:100%;height:100%}
.gc-traces path{fill:none;stroke:rgba(255,255,255,.18);stroke-width:1.5;stroke-dasharray:5 8;animation:dash 24s linear infinite}
.gc-pulse{fill:none;stroke:#fff;stroke-width:2;opacity:.55;stroke-dasharray:700;stroke-dashoffset:700;animation:gcp 5s ease-in-out infinite}
@keyframes gcp{55%,70%{stroke-dashoffset:0;opacity:.7}100%{stroke-dashoffset:-700;opacity:0}}
.gen-cover i{position:relative;font-size:3.2rem;color:#fff;filter:drop-shadow(0 6px 20px color-mix(in srgb,var(--c) 80%,#000));transition:transform .6s}
.post:hover .gen-cover i{transform:scale(1.15) rotate(-6deg)}
.post-cat{position:absolute;z-index:2;left:14px;top:14px;display:inline-flex;gap:6px;align-items:center;background:rgba(255,255,255,.94);color:var(--c);font-weight:700;font-size:.78rem;padding:5px 12px;border-radius:999px;backdrop-filter:blur(6px)}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:.83rem;color:var(--muted)}
.post-meta i{color:var(--c)}
.post h3{font-size:1.15rem;line-height:1.45}
.post h3 a{background:linear-gradient(var(--c),var(--c)) 0 100%/0 2px no-repeat;transition:background-size .4s}
.post:hover h3 a{background-size:100% 2px}
.post-body p{color:var(--muted);font-size:.95rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-more{margin-top:auto;font-weight:700;color:var(--c);display:inline-flex;gap:6px;align-items:center}
.post-more i{transition:.3s}
.post:hover .post-more i{transform:translateX(6px)}

/* Featured */
.featured-wrap{position:relative;margin-bottom:40px}
.feat-badge{position:absolute;z-index:3;top:-14px;right:28px;background:linear-gradient(135deg,#f5b301,#f39c12);color:#fff;font-weight:700;font-size:.82rem;padding:6px 16px;border-radius:999px;box-shadow:0 10px 20px -8px #f39c12}
.post-big{display:grid;grid-template-columns:1.25fr 1fr;box-shadow:var(--shadow-lg)}
.post-big .post-media{aspect-ratio:auto;min-height:380px}
.post-big .post-body{padding:44px 40px;justify-content:center;gap:14px}
.post-big h3{font-size:clamp(1.4rem,2.4vw,2rem)}
.post-big .post-body p{-webkit-line-clamp:4;font-size:1.02rem}
.post-big .gen-cover i{font-size:5rem}

/* Tools */
.blog-tools{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:44px;flex-wrap:wrap}
.cat-chips{display:flex;gap:8px;flex-wrap:wrap}
.cat-chips a{--c:var(--blue);display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:999px;border:1.5px solid var(--line);background:#fff;font-weight:600;font-size:.92rem;transition:.25s}
.cat-chips a i{color:var(--c)}
.cat-chips a em{font-style:normal;font-size:.75rem;background:var(--bg);padding:0 7px;border-radius:999px;color:var(--muted)}
.cat-chips a:hover{border-color:var(--c);transform:translateY(-2px)}
.cat-chips a.on{background:var(--c);border-color:var(--c);color:#fff}
.cat-chips a.on i{color:#fff}.cat-chips a.on em{background:rgba(255,255,255,.25);color:#fff}
.blog-search{position:relative;min-width:260px}
.blog-search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted)}
.blog-search input{width:100%;font:inherit;padding:11px 16px 11px 42px;border-radius:999px;border:1.5px solid var(--line);background:var(--bg);transition:.2s}
.blog-search input:focus{outline:0;border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px var(--blue-l)}
.search-note{margin:-24px 0 30px;color:var(--muted)}
.search-note a{color:var(--muted);margin-left:6px}
.blog-empty{text-align:center;padding:60px 20px;color:var(--muted)}
.blog-empty i{font-size:3rem;color:#c3cfdb;display:block;margin-bottom:10px}
.blog-empty .btn{margin-top:14px}
.pager-pub{display:flex;justify-content:center;gap:8px;margin-top:50px}
.pager-pub a{min-width:42px;height:42px;display:grid;place-items:center;border-radius:12px;border:1.5px solid var(--line);font-weight:600;transition:.2s}
.pager-pub a:hover{border-color:var(--blue);color:var(--blue-d)}
.pager-pub a.on{background:var(--blue);border-color:var(--blue);color:#fff}

/* Single post */
.read-progress{position:fixed;inset:0 0 auto;height:4px;z-index:100;pointer-events:none}
.read-progress span{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--blue),var(--green),var(--indigo))}
.post-hero{--c:var(--blue);position:relative;overflow:hidden;color:#c6d7e8;padding:90px 0 80px;background:radial-gradient(800px 380px at 80% 30%,color-mix(in srgb,var(--c) 45%,transparent),transparent 65%),linear-gradient(160deg,var(--navy),var(--navy-2))}
.ph-bg{position:absolute;inset:-60px 0;background-size:cover;background-position:center;will-change:transform}
.ph-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,24,43,.55),rgba(6,24,43,.92))}
.ph-icon{position:absolute;right:8%;top:50%;transform:translateY(-50%);font-size:min(22vw,260px);color:color-mix(in srgb,var(--c) 40%,transparent);opacity:.5;animation:float 7s ease-in-out infinite}
.ph-in{position:relative;z-index:2;max-width:900px}
.ph-cat{display:inline-flex;gap:8px;align-items:center;margin:22px 0 14px;padding:6px 16px;border-radius:999px;background:color-mix(in srgb,var(--c) 25%,transparent);border:1px solid color-mix(in srgb,var(--c) 60%,transparent);color:#fff;font-weight:600;font-size:.88rem}
.post-hero h1{color:#fff;font-size:clamp(1.9rem,4.2vw,3.2rem);font-weight:800;line-height:1.25;margin-bottom:24px;animation:rise .9s cubic-bezier(.2,.8,.2,1) both}
.lang-bn .post-hero h1{line-height:1.4}
@keyframes rise{from{opacity:0;transform:translateY(24px)}}
.ph-meta{display:flex;flex-wrap:wrap;gap:22px;align-items:center;font-size:.93rem;animation:rise .9s .15s cubic-bezier(.2,.8,.2,1) both}
.ph-meta i{color:var(--cyan);margin-right:4px}
.ph-author{display:flex;gap:10px;align-items:center}
.ph-author small{display:block;font-size:.75rem;opacity:.75;line-height:1}
.ph-author b{color:#fff}
.avatar.sm{width:42px;height:42px;font-size:1rem}
.draft-flag{display:inline-flex;gap:8px;align-items:center;margin-top:16px;background:#f39c12;color:#fff;font-weight:600;padding:6px 14px;border-radius:8px;font-size:.88rem}

.post-wrap{padding:60px 0 90px}
.post-layout{display:grid;grid-template-columns:64px minmax(0,760px) 260px;gap:48px;justify-content:center;align-items:start}
.post-layout.no-toc{grid-template-columns:64px minmax(0,780px)}
.post-aside,.toc-box{position:sticky;top:110px}
.share-rail{display:flex;flex-direction:column;align-items:center;gap:10px}
.share-rail>span{font-size:.72rem;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:1px;writing-mode:vertical-rl;transform:rotate(180deg);margin-bottom:6px}
.sh{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:1.1rem;color:#fff;border:0;cursor:pointer;transition:.25s}
.sh:hover{transform:translateY(-3px) scale(1.06)}
.sh.fb{background:#1877f2}.sh.wa{background:#25d366}.sh.li{background:#0a66c2}.sh.cp{background:var(--ink)}
.toc{padding:22px;border-radius:var(--r-lg);background:var(--bg);border:1px solid var(--line)}
.toc h4{font-size:.95rem;margin-bottom:12px;display:flex;gap:8px;align-items:center}
.toc ol{list-style:none;display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line)}
.toc li a{display:block;padding:6px 12px;margin-left:-2px;border-left:2px solid transparent;font-size:.9rem;color:var(--muted);line-height:1.45;transition:.2s}
.toc li.h3 a{padding-left:24px;font-size:.85rem}
.toc li a:hover{color:var(--ink)}
.toc li a.on{color:var(--blue-d);border-left-color:var(--blue);font-weight:600;background:linear-gradient(90deg,var(--blue-l),transparent)}

.prose{font-size:1.08rem;line-height:1.9;color:#2a3947;min-width:0}
.lang-bn .prose{font-size:1.13rem}
.prose>*+*{margin-top:1.15em}
.prose .lede{font-size:1.25em;color:var(--ink);font-weight:500;line-height:1.7;padding-bottom:1.1em;border-bottom:1px solid var(--line)}
.prose h2{font-size:1.65em;margin-top:1.8em;scroll-margin-top:110px;position:relative}
.prose h2::before{content:"";position:absolute;left:-22px;top:.35em;width:6px;height:.9em;border-radius:3px;background:linear-gradient(var(--blue),var(--green))}
.prose h3{font-size:1.3em;margin-top:1.5em;scroll-margin-top:110px}
.prose a{color:var(--blue-d);text-decoration:underline;text-decoration-thickness:1.5px;text-underline-offset:3px}
.prose strong{color:var(--ink)}
.prose img{border-radius:16px;margin:1.6em auto;box-shadow:var(--shadow-lg);cursor:zoom-in;transition:transform .4s}
.prose img:hover{transform:scale(1.01)}
.prose iframe,.prose .ql-video{display:block;width:100%;aspect-ratio:16/9;height:auto;border:0;border-radius:16px;margin:1.6em 0;box-shadow:var(--shadow-lg)}
.prose blockquote{position:relative;padding:22px 26px 22px 64px;border-radius:16px;background:linear-gradient(135deg,var(--blue-l),var(--green-l));color:var(--ink);font-weight:500;font-size:1.05em}
.prose blockquote::before{content:"\F6B0";font-family:bootstrap-icons;position:absolute;left:20px;top:16px;font-size:2rem;color:var(--blue);line-height:1}
.prose ul,.prose ol{padding-left:1.4em}
.prose li+li{margin-top:.4em}
.prose li::marker{color:var(--blue);font-weight:700}
.prose ol li[data-list=bullet]{list-style-type:disc}
.prose ol li[data-list=ordered]{list-style-type:decimal}
.prose li .ql-ui{display:none}
.prose pre,.prose .ql-syntax{background:var(--navy);color:#d6e6f5;padding:18px 20px;border-radius:14px;overflow-x:auto;font-size:.88em;line-height:1.6}
.prose code{font-family:ui-monospace,Consolas,monospace}
.prose hr{border:0;height:1px;background:var(--line);margin:2em 0}
.prose table{width:100%;border-collapse:collapse;font-size:.95em}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px}
.prose .ql-align-center{text-align:center}.prose .ql-align-right{text-align:right}.prose .ql-align-justify{text-align:justify}
.prose .ql-indent-1{padding-left:2em}.prose .ql-indent-2{padding-left:4em}
.post-tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:2.2em!important;color:var(--muted)}
.post-tags a{text-decoration:none!important;padding:5px 14px;border-radius:999px;background:var(--bg);border:1px solid var(--line);font-size:.88rem;color:var(--text)!important;transition:.2s}
.post-tags a:hover{border-color:var(--blue);color:var(--blue-d)!important}
.post-cta{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:2.4em!important;padding:26px 28px;border-radius:20px;background:linear-gradient(120deg,var(--navy),var(--blue-d));color:#c6d7e8;flex-wrap:wrap}
.post-cta b{display:block;color:#fff;font-size:1.08rem;line-height:1.45}
.post-cta span{font-size:.92rem}
.post-cta .btn{text-decoration:none;color:#fff}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:2em!important}
.pn{display:flex;flex-direction:column;gap:4px;padding:18px 20px;border-radius:16px;border:1px solid var(--line);text-decoration:none!important;color:var(--ink)!important;transition:.25s}
.pn:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:var(--shadow)}
.pn small{color:var(--muted);font-size:.82rem}
.pn b{font-size:.98rem;line-height:1.45}
.pn.next{text-align:right;grid-column:2}

.lightbox{position:fixed;inset:0;z-index:200;background:rgba(4,14,26,.92);display:grid;place-items:center;padding:30px;backdrop-filter:blur(6px);animation:fade .25s}
.lightbox[hidden]{display:none}
.lightbox img{max-width:min(1200px,100%);max-height:88vh;border-radius:14px;box-shadow:0 30px 80px rgba(0,0,0,.6);animation:zoomin .35s cubic-bezier(.2,.8,.2,1)}
.lb-close{position:absolute;top:20px;right:20px;width:46px;height:46px;border-radius:50%;border:0;background:rgba(255,255,255,.12);color:#fff;font-size:1.2rem;cursor:pointer}
@keyframes fade{from{opacity:0}}@keyframes zoomin{from{transform:scale(.9);opacity:0}}
.toast{position:fixed;left:50%;bottom:30px;z-index:210;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:10px 20px;border-radius:999px;font-weight:600;opacity:0;pointer-events:none;transition:.3s}
.toast.on{opacity:1;transform:translate(-50%,0)}

@media (max-width:1180px){.post-layout{grid-template-columns:56px minmax(0,1fr) 240px;gap:32px}}
@media (max-width:1100px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:960px){
  .post-big{grid-template-columns:1fr}.post-big .post-media{min-height:0;aspect-ratio:16/9}.post-big .post-body{padding:28px}
  .post-layout,.post-layout.no-toc{grid-template-columns:minmax(0,1fr)}
  .toc-box{position:static;order:-1}
  .post-aside{position:fixed;top:auto;bottom:0;left:0;right:0;z-index:55;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line);padding:8px 16px}
  .share-rail{flex-direction:row;justify-content:center}
  .share-rail>span{writing-mode:horizontal-tb;transform:none;margin:0 6px 0 0}
  .sh{width:40px;height:40px;border-radius:12px}
  .prose h2::before{display:none}
  .ph-icon{opacity:.25}
  body:has(.post-aside) .wa-float,body:has(.post-aside) .to-top{bottom:78px}
  .post-wrap{padding-bottom:110px}
}
@media (max-width:640px){
  .post-grid,.post-nav{grid-template-columns:1fr}
  .pn.next{grid-column:1}
  .blog-search{min-width:0;width:100%}
  .post-hero{padding:60px 0 56px}
  .prose{font-size:1.02rem}.lang-bn .prose{font-size:1.06rem}
}
/* more room for the 7-item menu */
@media (max-width:1180px) and (min-width:961px){.main-nav>a,.has-drop>a{padding:9px 8px;font-size:.86rem}.nav-cta{padding:9px 14px}.brand img{height:50px}}