/* KoshMitra OS - premium homepage. No external libraries; icons are inline SVG. */
:root{--blue:#0B57D0;--navy:#0A2540;--indigo:#4F46E5;--green:#00C853;--amber:#FFB300;--dark:#0F172A;--text:#111827;--mut:#5B6577;--bg2:#F8FAFC;--line:#E4EAF3;--r:18px;--sh:0 10px 40px rgba(10,37,64,.10);--sh2:0 24px 70px rgba(10,37,64,.18)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:76px}
body{margin:0;font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans",sans-serif;color:var(--text);background:#fff;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%}a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.sr{position:absolute;left:-9999px}.sr:focus{left:12px;top:12px;z-index:100;background:#fff;color:#000;padding:8px 14px;border-radius:8px}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px}
.ic{width:1.35em;height:1.35em;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 24px;border-radius:12px;font-weight:600;text-decoration:none;border:1px solid transparent;cursor:pointer;font-size:.98rem;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn.pri{background:linear-gradient(135deg,var(--blue),var(--indigo));color:#fff;box-shadow:0 10px 30px rgba(79,70,229,.35)}
.btn.pri:hover{box-shadow:0 14px 38px rgba(79,70,229,.5)}
.btn.glass{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22);backdrop-filter:blur(10px)}
.btn.glass:hover{background:rgba(255,255,255,.16)}
.btn.line{border-color:var(--line);color:var(--navy);background:#fff}
.btn.sm{padding:9px 16px;font-size:.9rem;border-radius:10px}
/* nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(15,23,42,.62);backdrop-filter:blur(16px) saturate(160%);border-bottom:1px solid rgba(255,255,255,.08);transition:background .3s}
.nav.solid{background:rgba(15,23,42,.92)}
.nav .in{display:flex;align-items:center;gap:22px;height:68px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:1.15rem;letter-spacing:-.2px}
.logo i{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--indigo));display:grid;place-items:center;font-style:normal;font-size:.85rem;box-shadow:0 6px 18px rgba(79,70,229,.5)}
.menu{display:flex;gap:4px;margin:0 auto;padding:0;list-style:none}
.menu a{color:#cbd5e1;text-decoration:none;padding:8px 12px;border-radius:8px;font-size:.93rem;font-weight:500;transition:.2s}
.menu a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav .cta{display:flex;gap:10px;align-items:center}
.burger{display:none;background:none;border:0;color:#fff;font-size:1.6rem;cursor:pointer;padding:6px}
/* hero */
.hero{position:relative;background:var(--dark);color:#fff;padding:140px 0 100px;overflow:hidden;isolation:isolate}
.hero:before,.hero:after{content:"";position:absolute;z-index:-2;border-radius:50%;filter:blur(90px);opacity:.55;animation:drift 18s ease-in-out infinite alternate}
.hero:before{width:520px;height:520px;background:var(--indigo);left:-120px;top:-100px}
.hero:after{width:560px;height:560px;background:var(--blue);right:-160px;bottom:-200px;animation-delay:-8s}
@keyframes drift{to{transform:translate(70px,50px) scale(1.15)}}
.grid-bg{position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:48px 48px;mask-image:radial-gradient(ellipse at 50% 30%,#000 30%,transparent 75%)}
#fx{position:absolute;inset:0;z-index:-1;width:100%;height:100%}
.hero .cols{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:999px;padding:6px 14px;font-size:.84rem;color:#cbd5e1;backdrop-filter:blur(8px)}
.pill b{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(0,200,83,.25)}
.hero h1{font-size:clamp(2.2rem,5.2vw,3.9rem);line-height:1.08;margin:18px 0;letter-spacing:-1.5px}
.grad{background:linear-gradient(90deg,#7DB4FF,#A5A0FF,#7DE8B0);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{font-size:1.15rem;color:#b6c2d6;max-width:560px;margin:0 0 30px}
.hero .btns{display:flex;gap:14px;flex-wrap:wrap}
.tag{margin-top:34px;color:#8fa0bb;font-size:.95rem;letter-spacing:.3px}
.tag b{color:#fff}
/* dashboard mockup */
.stage{position:relative;perspective:1200px}
.dash{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:20px;padding:12px;backdrop-filter:blur(18px);box-shadow:0 40px 90px rgba(0,0,0,.45);transform:rotateY(-9deg) rotateX(5deg);transition:transform .25s ease-out;will-change:transform}
.dash .bar{display:flex;gap:6px;padding:4px 6px 10px}.dash .bar i{width:10px;height:10px;border-radius:50%;background:#ff5f57}.dash .bar i:nth-child(2){background:#febc2e}.dash .bar i:nth-child(3){background:#28c840}
.dash .body{display:grid;grid-template-columns:54px 1fr;gap:12px;background:#0b1530;border-radius:14px;padding:12px;min-height:290px}
.side{display:flex;flex-direction:column;gap:10px;align-items:center;padding-top:4px}.side span{width:30px;height:30px;border-radius:9px;background:rgba(255,255,255,.07)}.side span:first-child{background:linear-gradient(135deg,var(--blue),var(--indigo))}
.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.kpi{background:rgba(255,255,255,.06);border-radius:11px;padding:9px 11px}.kpi small{color:#8fa0bb;font-size:.68rem;display:block}.kpi b{font-size:1.05rem}
.kpi em{font-style:normal;font-size:.68rem;color:var(--green)}
.chart{margin-top:10px;background:rgba(255,255,255,.05);border-radius:12px;padding:10px 12px;height:128px;display:flex;align-items:flex-end;gap:7px}
.chart i{flex:1;border-radius:6px 6px 2px 2px;background:linear-gradient(180deg,#6aa5ff,var(--indigo));height:var(--h);transform-origin:bottom;animation:grow 1.4s cubic-bezier(.2,.8,.2,1) both}
.chart i:nth-child(n+2){animation-delay:.08s}.chart i:nth-child(n+4){animation-delay:.2s}.chart i:nth-child(n+6){animation-delay:.3s}
@keyframes grow{from{transform:scaleY(0)}}
.rows{margin-top:10px;display:grid;gap:6px}.rows div{display:flex;justify-content:space-between;background:rgba(255,255,255,.04);border-radius:8px;padding:6px 10px;font-size:.72rem;color:#aab8d0}.rows b{color:#fff;font-weight:600}
.float{position:absolute;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);backdrop-filter:blur(14px);border-radius:14px;padding:10px 14px;font-size:.8rem;box-shadow:0 18px 40px rgba(0,0,0,.35);animation:bob 6s ease-in-out infinite;display:flex;gap:10px;align-items:center}
.float b{display:block;font-size:.95rem}.float small{color:#b6c2d6}
.float .dot{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:rgba(0,200,83,.2);color:var(--green)}
.f1{left:-30px;top:-34px}.f2{right:-14px;top:150px;animation-delay:-2s}.f2 .dot{background:rgba(255,179,0,.2);color:var(--amber)}.f3{left:30px;bottom:-30px;animation-delay:-4s}.f3 .dot{background:rgba(79,70,229,.3);color:#a5a0ff}
@keyframes bob{50%{transform:translateY(-12px)}}
.note{position:absolute;right:10px;bottom:-26px;font-size:.7rem;color:#7d8da8}
/* sections */
section{padding:96px 0;position:relative}
.alt{background:var(--bg2)}.darkbg{background:var(--dark);color:#fff}
.eyebrow{color:var(--indigo);font-weight:700;font-size:.82rem;letter-spacing:1.6px;text-transform:uppercase}
.darkbg .eyebrow{color:#9aa6ff}
h2{font-size:clamp(1.8rem,3.6vw,2.7rem);line-height:1.15;margin:10px 0 14px;letter-spacing:-.8px;color:var(--navy)}.darkbg h2{color:#fff}
.lead{color:var(--mut);max-width:680px;font-size:1.06rem;margin:0}.darkbg .lead{color:#a9b6cb}
.head{margin-bottom:46px}.center{text-align:center}.center .lead{margin:0 auto}
.grid{display:grid;gap:18px}.g4{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.g3{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;box-shadow:0 1px 2px rgba(10,37,64,.04);transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:#cfd9ee}
.card h3{margin:14px 0 6px;font-size:1.12rem;color:var(--navy)}.card p{margin:0;color:var(--mut);font-size:.95rem}
.badge{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(11,87,208,.12),rgba(79,70,229,.14));color:var(--blue);font-size:1.3rem}
.strip{background:#fff;border-bottom:1px solid var(--line);padding:30px 0}
.strip .row{display:flex;gap:14px 34px;flex-wrap:wrap;justify-content:center;align-items:center;color:var(--mut);font-weight:600}
.strip .row span{display:flex;gap:8px;align-items:center}.strip small{display:block;text-align:center;color:#8a95a8;margin-bottom:14px;letter-spacing:1.4px;text-transform:uppercase;font-size:.75rem}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 16px;font-size:.92rem;color:var(--navy);font-weight:500;transition:.2s}
.chip:hover{border-color:var(--indigo);transform:translateY(-2px);box-shadow:0 8px 20px rgba(79,70,229,.12)}.chip .ic{color:var(--indigo);width:1.1em;height:1.1em}
.mgroup{margin-bottom:30px}.mgroup h3{font-size:.95rem;color:var(--mut);margin:0 0 12px;text-transform:uppercase;letter-spacing:1.2px}
/* mandi */
.mandi{background:radial-gradient(circle at 80% 0,rgba(79,70,229,.35),transparent 50%),radial-gradient(circle at 0 100%,rgba(0,200,83,.18),transparent 45%),var(--dark);color:#fff}
.mandi .cols{display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:center}
.glass{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);backdrop-filter:blur(14px)}
.mgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.mgrid div{padding:15px 16px;display:flex;gap:10px;align-items:center;font-size:.93rem;color:#dbe4f3}.mgrid .ic{color:#6ee7a8}
/* showcase */
.show{display:grid;grid-template-columns:1.5fr .6fr;gap:30px;align-items:end;max-width:1000px;margin:0 auto}
.laptop{background:#1b2540;border-radius:16px 16px 6px 6px;padding:12px 12px 0;box-shadow:var(--sh2)}
.laptop .scr{background:#0b1530;border-radius:8px 8px 0 0;padding:12px;min-height:300px}
.laptop:after{content:"";display:block;height:14px;margin:0 -30px;background:linear-gradient(#cfd6e4,#98a2b8);border-radius:0 0 14px 14px}
.phone{background:#1b2540;border-radius:30px;padding:10px;box-shadow:var(--sh2);max-width:230px;margin:0 auto}
.phone .scr{background:#0b1530;border-radius:22px;padding:14px 10px;min-height:380px;color:#fff}
.phone .kpis{grid-template-columns:1fr 1fr}.phone .chart{height:90px}
.scr{color:#fff}
/* stats */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.stat{padding:30px 22px;text-align:center}.stat b{font-size:clamp(2.2rem,4vw,3.2rem);display:block;line-height:1.1;background:linear-gradient(90deg,#fff,#a5b4ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:#a9b6cb;font-size:.95rem}
/* benefits & industries */
.ben{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.ben div{display:flex;gap:14px;align-items:flex-start;padding:20px;border-radius:var(--r);background:#fff;border:1px solid var(--line)}
.ben .ic{color:var(--green);margin-top:3px}.ben b{display:block;color:var(--navy)}.ben span{color:var(--mut);font-size:.93rem}
.about{display:grid;grid-template-columns:1.1fr 1fr;gap:50px;align-items:center}
.about p{color:var(--mut)}
.pts{display:grid;gap:12px}.pts div{display:flex;gap:12px;align-items:center;padding:14px 18px;border-radius:14px;background:#fff;border:1px solid var(--line);font-weight:600;color:var(--navy)}.pts .ic{color:var(--indigo)}
/* early partners */
.partner{border-radius:28px;padding:56px 34px;text-align:center;background:linear-gradient(135deg,var(--blue),var(--indigo));color:#fff;position:relative;overflow:hidden}
.partner:before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(255,255,255,.12);right:-120px;top:-160px}
.partner h2{color:#fff}.partner p{color:#e0e7ff;max-width:620px;margin:0 auto 26px}
/* pricing */
.price .card{display:flex;flex-direction:column}.price .feat{border:2px solid var(--indigo);box-shadow:var(--sh);position:relative}
.price .rec{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--indigo);color:#fff;font-size:.72rem;font-weight:700;padding:4px 12px;border-radius:999px;white-space:nowrap}
.price h3{font-size:1.3rem;margin:0}.price .amt{font-size:1.7rem;font-weight:800;color:var(--navy);margin:14px 0 4px}.price .d{color:var(--mut);font-size:.92rem;margin-bottom:18px}
.price ul{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:10px;flex:1}.price li{display:flex;gap:10px;align-items:flex-start;font-size:.95rem}.price li .ic{color:var(--green);margin-top:3px}
/* faq */
.faq{max-width:820px;margin:0 auto}.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;margin:12px 0;padding:0 20px;transition:.2s}
.faq details[open]{box-shadow:var(--sh);border-color:#cfd9ee}.faq summary{cursor:pointer;font-weight:600;color:var(--navy);padding:18px 0;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-size:1.4rem;color:var(--indigo);transition:.2s}.faq details[open] summary:after{transform:rotate(45deg)}
.faq p{margin:0 0 18px;color:var(--mut)}
/* contact */
.contact{display:grid;grid-template-columns:1fr 1.1fr;gap:40px}
.cinfo{display:grid;gap:14px;align-content:start}.cinfo a,.cinfo div{display:flex;gap:14px;align-items:center;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:#fff;text-decoration:none;color:var(--navy);font-weight:600}
.cinfo small{display:block;font-weight:400;color:var(--mut)}.cinfo .ic{color:var(--indigo);width:1.5em;height:1.5em}
form.cf{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px;box-shadow:var(--sh);display:grid;gap:14px}
.cf label{font-weight:600;font-size:.88rem;color:var(--navy)}.cf input,.cf select,.cf textarea{width:100%;padding:12px 14px;border:1px solid #d5ddec;border-radius:10px;font:inherit;margin-top:6px;background:#fff}
.cf input:focus,.cf select:focus,.cf textarea:focus{border-color:var(--indigo);outline:none;box-shadow:0 0 0 4px rgba(79,70,229,.15)}
/* footer */
footer{background:#080f20;color:#94a3b8;padding:64px 0 28px}
footer .cols{display:grid;grid-template-columns:1.6fr repeat(3,1fr);gap:34px}
footer h4{color:#fff;margin:0 0 14px;font-size:.95rem}footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}footer a{text-decoration:none;color:#94a3b8;font-size:.92rem}footer a:hover{color:#fff}
footer .bot{border-top:1px solid rgba(255,255,255,.08);margin-top:40px;padding-top:22px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.85rem}
.priv{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px;color:var(--mut);font-size:.93rem;max-width:860px;margin:0 auto}
.fab{position:fixed;right:18px;bottom:18px;z-index:40;display:flex;gap:8px;align-items:center;background:#1faa59;color:#fff;text-decoration:none;font-weight:700;padding:13px 18px;border-radius:999px;box-shadow:0 10px 30px rgba(31,170,89,.45)}
#glow{position:fixed;width:340px;height:340px;border-radius:50%;pointer-events:none;z-index:1;background:radial-gradient(circle,rgba(79,70,229,.14),transparent 65%);transform:translate(-50%,-50%);left:-400px;top:-400px}
/* reveal */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.08s}.rv.d2{transition-delay:.16s}.rv.d3{transition-delay:.24s}
/* responsive */
@media(max-width:980px){.hero .cols,.mandi .cols,.about,.contact{grid-template-columns:1fr}.stage{max-width:560px;margin:30px auto 0}.dash{transform:none}.show{grid-template-columns:1fr}footer .cols{grid-template-columns:1fr 1fr}.f1{left:-6px}.f2{right:-6px}}
@media(max-width:860px){.burger{display:block;margin-left:auto}.nav .cta .btn.line{display:none}.menu{position:absolute;top:68px;left:0;right:0;flex-direction:column;background:rgba(15,23,42,.98);padding:12px 18px 18px;display:none;margin:0}.menu.open{display:flex}.nav .cta{margin-left:0}}
@media(max-width:560px){section{padding:68px 0}.hero{padding:112px 0 76px}.nav .cta .btn.pri{display:none}.fab span{display:none}.fab{padding:14px}.float{display:none}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}.rv{opacity:1;transform:none}html{scroll-behavior:auto}}

/* language switcher and Indic fonts */
.langsel{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.22);border-radius:10px;padding:8px 10px;font:inherit;font-size:.9rem;cursor:pointer}
.langsel option{color:#111;background:#fff}
html[lang=hi] body,html[lang=mr] body{font-family:Inter,"Noto Sans Devanagari",system-ui,sans-serif}
html[lang=bn] body{font-family:Inter,"Noto Sans Bengali",system-ui,sans-serif}
html:not([lang=en]) h1,html:not([lang=en]) h2{letter-spacing:0;line-height:1.3}
html:not([lang=en]) .eyebrow{letter-spacing:.4px;text-transform:none}