:root{--bg:#07090d;--panel:#0d1118;--line:#202733;--text:#f6f8fb;--muted:#9aa5b5;--a:#63e6be;--b:#6ea8ff;--gold:#e7c46a}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,'Noto Sans Bengali',sans-serif;line-height:1.6}.noise{position:fixed;inset:0;pointer-events:none;opacity:.025;background-image:radial-gradient(#fff 1px,transparent 1px);background-size:5px 5px;z-index:99}.container{width:min(1180px,calc(100% - 40px));margin:auto}.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(7,9,13,.72);backdrop-filter:blur(18px);border-bottom:1px solid #1b222c}.navin{height:74px;display:flex;align-items:center;gap:28px}.logo{font-weight:900;letter-spacing:3px;white-space:nowrap}.logo span{color:var(--a)}nav{margin-left:auto;display:flex;gap:24px}nav a{font-size:13px;color:#aab3c0}nav a:hover{color:#fff}.navbtn,.btn{border:1px solid #303945;border-radius:999px;padding:11px 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var(--line);border-radius:25px}.bigmark{font-size:76px;font-weight:900;color:var(--a);opacity:.9}.about-panel h3{font-size:28px;margin:5px 0}.about-panel p{color:var(--muted)}.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:28px}.tags span,.service label{font-size:10px;letter-spacing:1.5px;color:#8994a4;border:1px solid #29313b;padding:6px 9px;border-radius:999px}.about-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:25px;overflow:hidden}.about-list div{padding:30px;background:#0d1219}.about-list b{color:var(--a);font-size:12px}.about-list span,.about-list small{display:block}.about-list span{font-weight:700;margin:18px 0 3px}.about-list small{color:#788493}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.service{min-height:280px;padding:25px;border:1px solid var(--line);background:linear-gradient(145deg,#10161e,#0b0f14);border-radius:18px;transition:.3s}.service:hover{transform:translateY(-6px);border-color:#3a4857}.service>span{font-size:11px;color:#627080}.service i{display:block;font-style:normal;font-size:34px;margin:28px 0 12px}.service h3{margin:0 0 8px;font-size:20px}.service p{color:#7f8997;font-size:13px;min-height:60px}.service label{display:inline-block;margin-top:15px}.web{background:linear-gradient(180deg,#0b0f15,#080b10)}.web-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:18px}.web-intro{padding:38px;border:1px solid var(--line);border-radius:24px;background:#0d1219;align-self:start}.codebox{display:grid;grid-template-columns:1fr;gap:4px;background:#070a0f;border:1px solid #242d38;border-radius:15px;padding:20px;margin-bottom:30px;font:13px monospace}.codebox span{color:#647184}.codebox strong{color:var(--a);padding-left:20px}.web-intro h3{font-size:30px;line-height:1.15}.web-intro p{color:var(--muted)}.textlink{color:var(--a);font-weight:700}.web-services{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:var(--line);gap:1px}.web-services div{padding:21px;background:#0d1219;display:grid;grid-template-columns:38px 1fr;column-gap:12px}.web-services b{color:#617080;font-size:11px}.web-services span{font-weight:700}.web-services small{grid-column:2;color:#687586;font-size:11px}.process{background:#070a0e}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.process-grid div{padding:30px;border-right:1px solid var(--line)}.process-grid div:last-child{border:0}.process-grid span{color:var(--a);font-size:12px}.process-grid h3{font-size:24px}.process-grid p{color:var(--muted);font-size:14px}.relations{padding:115px 0;background:radial-gradient(circle at 20% 20%,rgba(20,184,166,.16),transparent 30%),linear-gradient(135deg,#0b1220,#111827 55%,#172554);border-top:1px solid #263448}.relation-head{text-align:center;max-width:760px;margin:auto}.relation-head h2{font-size:clamp(44px,6vw,74px);line-height:1;margin:12px 0}.relation-head p{color:#c0cad8}.relation-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:50px}.relation-grid article{padding:28px;border:1px solid #ffffff16;background:#ffffff09;border-radius:22px;backdrop-filter:blur(10px);transition:.3s}.relation-grid article:hover{transform:translateY(-7px);border-color:#5eead477}.relation-grid i{font-style:normal;font-size:30px}.relation-grid span{display:block;color:#5eead4;font-size:10px;letter-spacing:2px;margin-top:20px}.relation-grid h3{font-size:23px;margin:5px 0}.relation-grid p{color:#bac6d5;font-size:14px}.relations blockquote{max-width:850px;margin:45px auto 0;text-align:center;padding:28px;border-top:1px solid #ffffff18;border-bottom:1px solid #ffffff18;color:#e7edf5;font-size:18px}.contact{background:radial-gradient(circle at 75% 35%,rgba(99,230,190,.08),transparent 35%)}.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:center}.contact-card{padding:35px;border:1px solid var(--line);border-radius:25px;background:#0d1219}.contact-card>span{font-size:10px;color:#657384;letter-spacing:2px}.contact-card>a{display:block;font-size:18px;margin:18px 0}.contact-card p{font-size:13px}.socials{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.socials a{border:1px solid var(--line);border-radius:999px;padding:8px 12px;font-size:11px;color:#aab4c1}footer{border-top:1px solid var(--line);padding:25px 0;color:#647080;font-size:11px}.foot{display:flex;justify-content:space-between;gap:15px}.foot a{color:#aab3bf}@media(max-width:950px){nav{gap:12px}.navbtn{display:none}.hero-grid,.section-head,.web-grid,.contact-grid{grid-template-columns:1fr}.hero-card{min-height:400px}.service-grid{grid-template-columns:1fr 1fr}.about-grid{grid-template-columns:1fr}.process-grid{grid-template-columns:1fr 1fr}.process-grid div:nth-child(2){border-right:0}.relation-grid{grid-template-columns:1fr 1fr}}@media(max-width:680px){.container{width:min(100% - 26px,1180px)}.navin{height:64px}.nav{position:fixed}.logo{font-size:13px}nav{display:none;position:absolute;top:64px;left:0;right:0;background:#080b10;padding:20px;flex-direction:column;border-bottom:1px solid var(--line)}nav.open{display:flex}.menu{display:block;margin-left:auto}.hero{padding-top:100px}.hero-grid{gap:10px}h1{font-size:58px;letter-spacing:-4px}.hero-card{min-height:330px}.terminal{font-size:11px}.floating{font-size:10px}.f1{right:0}.section,.relations{padding:75px 0}.section-head h2,.contact h2{letter-spacing:-2px}.about-list,.web-services{grid-template-columns:1fr}.service-grid,.relation-grid,.process-grid{grid-template-columns:1fr}.process-grid div{border-right:0;border-bottom:1px solid var(--line)}.process-grid div:last-child{border-bottom:0}.mini-stats{gap:18px;flex-wrap:wrap}.foot{flex-direction:column}}
/* Premium hero portrait */
.hero-card{overflow:visible}
.hero-photo{position:relative;width:min(440px,92%);aspect-ratio:4/5;border-radius:30px;overflow:hidden;border:1px solid rgba(255,255,255,.16);background:#0b1118;box-shadow:0 35px 100px rgba(0,0,0,.48),0 0 0 8px rgba(255,255,255,.025);transform:rotate(2deg);transition:transform .45s ease,box-shadow .45s ease}
.hero-photo:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,10,16,.02) 35%,rgba(4,10,16,.62) 100%);z-index:1;pointer-events:none}
.hero-photo:after{content:"RS SUDORSHON";position:absolute;left:22px;bottom:18px;z-index:2;font-size:10px;letter-spacing:2.5px;font-weight:800;color:rgba(255,255,255,.82)}
.hero-photo img{width:100%;height:100%;display:block;object-fit:cover;object-position:center 30%;filter:saturate(.92) contrast(1.04);transition:transform .6s ease,filter .45s ease}
.hero-card:hover .hero-photo{transform:rotate(0deg) translateY(-5px);box-shadow:0 45px 110px rgba(0,0,0,.56),0 0 0 8px rgba(99,230,190,.035)}
.hero-card:hover .hero-photo img{transform:scale(1.035);filter:saturate(1) contrast(1.05)}
@media(max-width:680px){.hero-photo{width:min(390px,94%);aspect-ratio:4/5;border-radius:24px}.hero-photo:after{left:16px;bottom:14px}.hero-photo img{object-position:center 27%}}