:root{--ink:#0f1f33;--paper:#f1f6fc;--card:#fff;--line:#d5e3f1;--muted:#53677d;--navy:#0a2540;--navy-2:#0f3a66;--blue:#1565c0;--sky:#3db4ff;--sky-ink:#062140;--sky-soft:#e3f2fd}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Noto Sans","Noto Sans Devanagari","Noto Sans Bengali",sans-serif}
:lang(hi),:lang(bn){line-height:1.8}
a{color:var(--blue)}a:hover{color:var(--navy)}
.wrap{max-width:820px;margin:0 auto;padding:0 16px}
header.site{background:linear-gradient(90deg,var(--navy),var(--navy-2));color:#fff;position:relative;z-index:20}
header.site .wrap{max-width:1140px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;padding-top:12px;padding-bottom:12px}
.brand{color:#fff;text-decoration:none;font-weight:800;letter-spacing:.02em;white-space:nowrap}
.brand{display:flex;align-items:center}.brand img{display:block;height:44px;width:auto}
@media(max-width:560px){.brand img{height:36px}}
nav.main{display:flex;flex-wrap:wrap;align-items:center;gap:2px;flex:1}
.dd{position:relative}
.dd>summary{list-style:none;cursor:pointer;color:#cfe3f7;font-size:15px;padding:7px 10px;border-radius:8px;display:flex;align-items:center;gap:7px;white-space:nowrap;user-select:none}
.dd>summary::-webkit-details-marker{display:none}
.dd>summary::after{content:"";width:6px;height:6px;border:solid currentColor;border-width:0 2px 2px 0;transform:rotate(45deg) translateY(-2px);transition:transform .15s}
.dd[open]>summary::after{transform:rotate(-135deg) translateY(-1px)}
.dd>summary:hover,.dd[open]>summary{background:rgba(255,255,255,.1);color:#fff}
.dd-menu{position:absolute;top:calc(100% + 6px);left:0;min-width:230px;display:grid;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 14px 34px rgba(6,33,64,.28);padding:6px;z-index:50}
.dd-menu.cols{grid-template-columns:1fr 1fr;min-width:400px}
.dd-menu a{color:var(--ink);text-decoration:none;padding:8px 12px;border-radius:8px;font-size:15px;line-height:1.35}
.dd-menu a:hover{background:var(--sky-soft);color:var(--blue)}
.dd-menu a[aria-current]{color:var(--blue);font-weight:700;background:var(--sky-soft)}
.lang>summary{border:1.5px solid rgba(255,255,255,.3)}
.lang .dd-menu{left:auto;right:0;min-width:170px}
.burger{display:none;background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.3);border-radius:8px;padding:6px 12px;font-size:15px;cursor:pointer}
.btn{display:inline-block;background:var(--sky);color:var(--sky-ink);font-weight:800;text-decoration:none;padding:10px 18px;border-radius:999px;border:0;cursor:pointer;font-size:15px;white-space:nowrap}
.btn:hover{filter:brightness(1.08);color:var(--sky-ink)}
.crumbs{font-size:14px;color:var(--muted);margin:22px 0 4px}.crumbs a{color:var(--muted)}
h1{font-size:clamp(28px,5vw,40px);line-height:1.2;margin:30px 0 6px;letter-spacing:-.01em;color:var(--navy)}
.crumbs+article h1{margin-top:8px}
h2{font-size:24px;line-height:1.3;margin:40px 0 10px;color:var(--navy)}
h3{font-size:18px;margin:22px 0 4px}
.meta{font-size:14px;color:var(--muted);margin-bottom:18px}
.answer{background:var(--card);border-left:5px solid var(--sky);padding:16px 18px;border-radius:8px;margin:0 0 22px;box-shadow:0 1px 0 var(--line)}
.answer p{margin:0}
.codebox{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;background:linear-gradient(135deg,var(--navy),#14508c);color:#fff;border-radius:14px;padding:18px 20px;margin:0 0 10px}
.codebox .label{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:#9cc4ea}
.codebox code{display:block;font:800 30px/1.2 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--sky);letter-spacing:.06em;margin:2px 0}
.codebox .bonus{font-size:15px;color:#dcebf9}
.codebox .actions{display:flex;flex-direction:column;gap:8px}
.copy{background:transparent;color:#fff;border:1.5px dashed #9cc4ea;border-radius:999px;padding:9px 16px;font-weight:700;cursor:pointer;font-size:14px}
.small{font-size:13px;color:var(--muted);margin:0 0 26px}
table{width:100%;border-collapse:collapse;background:var(--card);border-radius:8px;overflow:hidden;font-size:15px;margin:10px 0}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
tr:first-child th{background:#dcecfb}
table.facts th{width:38%;background:#eaf3fc}
.steps{padding-left:22px}.steps li{margin:8px 0}
.faq h3{font-size:17px}.faq p{margin:4px 0 0}
.related{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 30px;padding:0;list-style:none}
.related a{display:inline-block;background:var(--card);border:1px solid var(--line);padding:6px 12px;border-radius:999px;text-decoration:none;font-size:14px}
.related a:hover{border-color:var(--sky)}
footer.site{background:var(--navy);margin-top:50px;padding:26px 0;font-size:14px;color:#a9c3dd}
footer.site a{color:#cfe3f7}
.social{display:flex;gap:14px;margin:0 0 18px}.social a{display:inline-flex;border-radius:8px;transition:transform .15s}.social a:hover{transform:translateY(-2px)}.social svg{display:block}
.age{display:inline-block;border:2px solid #a9c3dd;border-radius:50%;width:34px;height:34px;line-height:30px;text-align:center;font-weight:800;margin-right:8px}
.cmap{width:min(1120px,calc(100vw - 32px));margin:0 0 30px calc(50% - min(560px,50vw - 16px));display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:center;background:linear-gradient(135deg,var(--navy),#123f6e);border-radius:18px;padding:26px;color:#fff}
.cmap svg{display:block;width:100%;height:auto}
.cmap .land{fill:url(#dots);fill-opacity:.4;stroke:rgba(156,196,234,.3);stroke-width:1}
.cmap .cty{fill:rgba(61,180,255,.18);stroke:var(--sky);stroke-width:1.3;transition:fill .15s}
.cmap .glow{fill:var(--sky);opacity:.25;transition:opacity .15s}
.cmap .pin{fill:var(--sky);stroke:#fff;stroke-width:2}
.cmap .lead{stroke:rgba(220,235,249,.55);stroke-width:1.2}
.cmap .lbl{fill:#fff;font-size:21px;font-weight:700;dominant-baseline:middle;paint-order:stroke;stroke:var(--navy);stroke-width:4px;stroke-linejoin:round}
.cmap svg a{cursor:pointer;outline:none}
.cmap svg a.hot .cty,.cmap svg a:focus-visible .cty{fill:rgba(61,180,255,.55)}
.cmap svg a.hot .glow,.cmap svg a:focus-visible .glow{opacity:.6}
.cmap svg a.hot .lbl{fill:var(--sky)}
.cmap-k{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#9cc4ea;margin:0 0 4px;font-weight:700}
.cmap-hint{font-size:14px;color:#cfe3f7;margin:0 0 14px;line-height:1.5}
.cmap-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.cmap-grid a{display:flex;justify-content:space-between;align-items:center;gap:8px;background:rgba(3,15,30,.45);border:1px solid rgba(156,196,234,.12);color:#fff;text-decoration:none;font-weight:800;font-size:14px;letter-spacing:.03em;text-transform:uppercase;padding:11px 14px;border-radius:9px;transition:background .15s,border-color .15s}
.cmap-grid a::after{content:"";flex:none;border-left:7px solid var(--sky);border-top:5px solid transparent;border-bottom:5px solid transparent}
.cmap-grid a.hot,.cmap-grid a:focus-visible{background:rgba(61,180,255,.18);border-color:var(--sky);outline:none}
.cmap-all{display:inline-block;margin-top:14px;color:var(--sky);font-weight:700;font-size:15px;text-decoration:none}
.cmap-all:hover{color:#fff}
@media(max-width:900px){.cmap{grid-template-columns:1fr;padding:16px;gap:16px}}
.byline{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted);margin:0 0 18px}
.byline img{border-radius:50%;object-fit:cover;flex:none}
.byline .who{color:var(--ink);font-weight:600}
.verified{display:inline-block;background:#e6f6ec;color:#155c33;border:1px solid #b9e2c8;border-radius:8px;padding:6px 12px;font-size:14px;font-weight:600;margin:0 0 14px}
.toc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 20px;margin:0 0 26px}
.toc p{margin:0 0 6px;font-weight:800;color:var(--navy)}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:28px;font-size:15px}
.toc li{margin:3px 0;break-inside:avoid}.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}
h2[id]{scroll-margin-top:16px}
.proscons{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.proscons>div{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:4px 18px 8px}
.proscons>div:first-child{border-top:4px solid #2e9e5b}.proscons>div:last-child{border-top:4px solid #d9534f}
.proscons h3{margin-top:12px}.proscons ul{padding-left:20px;margin:6px 0}
.log{list-style:none;padding:0;margin:0}.log li{border-left:3px solid var(--sky);padding:4px 0 4px 14px;margin:0 0 8px}
.log time{font-weight:700;margin-right:6px}
.sources{font-size:15px}.sources li{margin:4px 0}
.authorbox{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:40px 0 10px}
.authorbox img{border-radius:50%;object-fit:cover;flex:none}
.authorbox p{margin:0 0 6px}.authorbox .name{font-weight:800;font-size:18px;color:var(--navy)}.authorbox .name a{text-decoration:none}
.authorbox .more{font-size:14px;margin:0}
.report{font-size:14px;color:var(--muted);margin:0 0 30px}
@media(max-width:560px){.toc ol{columns:1}.proscons{grid-template-columns:1fr}}
.trend{width:min(1120px,calc(100vw - 32px));margin:0 0 30px calc(50% - min(560px,50vw - 16px));display:grid;grid-template-columns:1.7fr 1fr;gap:20px 28px;background:linear-gradient(135deg,var(--navy),#123f6e);border-radius:18px;padding:26px;color:#fff}
.trend-main{min-width:0}.trend-side{align-self:center}.trend-foot{grid-column:1/-1;border-top:1px solid rgba(156,196,234,.15);padding-top:16px}
.trend-k{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#9cc4ea;margin:0 0 6px;font-weight:700}
.trend-intro{font-size:14px;color:#cfe3f7;margin:0 0 14px;line-height:1.5}
.trend-stats{display:grid;gap:8px}
.trend-stats div{background:rgba(3,15,30,.45);border:1px solid rgba(156,196,234,.12);border-radius:10px;padding:10px 14px}
.trend-stats span{display:block;font-size:13px;color:#9cc4ea;line-height:1.35}
.trend-stats b{display:block;font-size:22px;color:#fff;margin-top:2px}
.trend-bar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin:0 0 6px}
.trend-ctrl{display:inline-flex;gap:6px}
.trend-ctrl button{font:inherit;font-size:13px;font-weight:800;letter-spacing:.03em;text-transform:uppercase;color:#fff;background:rgba(3,15,30,.45);border:1px solid rgba(156,196,234,.12);border-radius:9px;padding:8px 12px;cursor:pointer;transition:background .15s,border-color .15s}
.trend-ctrl button:hover{border-color:rgba(61,180,255,.6)}
.trend-ctrl button[aria-pressed=true]{background:rgba(61,180,255,.18);border-color:var(--sky)}
.trend-legend{display:flex;gap:16px;font-size:13px;color:#cfe3f7}
.trend-legend i,.trend-tip i{display:inline-block;width:16px;height:3px;border-radius:2px;vertical-align:middle;margin-right:6px}
.k1{background:#3d8ff0}.k2{background:#0ea48d}
.trend-plot{position:relative}.trend-plot svg{display:block;width:100%;outline:none;touch-action:pan-y}
.trend-plot svg:focus-visible{box-shadow:0 0 0 2px var(--sky);border-radius:6px}
.trend .grid line{stroke:rgba(156,196,234,.14);stroke-width:1}.trend .grid text,.trend .xt{fill:#9cc4ea;font-size:12px}
.trend .area{fill:url(#tgr)}
.trend .l1,.trend .l2{fill:none;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.trend .l1{stroke:#3d8ff0}.trend .l2{stroke:#0ea48d;stroke-width:2.5}
.trend .d1{fill:#3d8ff0;stroke:var(--navy);stroke-width:2}.trend .d2{fill:#0ea48d;stroke:var(--navy);stroke-width:2}
.trend .endl{fill:#fff;font-size:12px;font-weight:700}
.trend .ev line{stroke:rgba(61,180,255,.35);stroke-width:1}.trend .ev circle{fill:var(--sky);stroke:rgba(61,180,255,.3);stroke-width:5}.trend .ev text{fill:var(--sky-ink);font-size:11px;font-weight:800}
.trend .hx line{stroke:#fff;stroke-width:1;stroke-opacity:.5}
.trend-tip{position:absolute;pointer-events:none;background:rgba(3,15,30,.94);border:1px solid rgba(61,180,255,.5);border-radius:10px;box-shadow:0 12px 30px rgba(0,0,0,.35);padding:8px 12px;font-size:13px;color:#cfe3f7;min-width:190px;max-width:270px}
.trend-tip p{margin:2px 0;display:flex;align-items:center;gap:4px}.trend-tip b{margin-left:auto;padding-left:12px;color:#fff}
.trend-tip .tm{font-weight:800;color:#fff}.trend-tip .te{display:block;border-top:1px solid rgba(156,196,234,.2);margin-top:6px;padding-top:6px;color:#fff;line-height:1.4}
.pin{display:inline-flex;align-items:center;justify-content:center;flex:none;width:18px;height:18px;border-radius:50%;background:var(--sky);color:var(--sky-ink);font-size:11px;font-weight:800;margin-right:8px;vertical-align:1px;box-shadow:0 0 0 3px rgba(61,180,255,.25)}
.trend-sum{margin:0 0 18px}.trend-sum p{font-size:14px;color:#cfe3f7;margin:0 0 10px}
.trend-sum ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:10px 24px}
.trend-sum li{position:relative;padding-left:18px;font-size:15px;line-height:1.5;color:#dcebf9}
.trend-sum li::before{content:"";position:absolute;left:0;top:.55em;width:8px;height:8px;border-radius:50%;background:var(--sky);box-shadow:0 0 8px rgba(61,180,255,.7)}
.trend-sum b{color:#fff}
.trend-src{font-size:12px;color:#9cc4ea;margin:6px 0 0}
.trend-ev{list-style:none;padding:0;margin:0 0 8px;font-size:14px;color:#cfe3f7;display:grid;grid-template-columns:1fr 1fr;gap:8px 24px}.trend-ev li{display:flex;align-items:flex-start;line-height:1.45}
.trend-ev b{color:#fff}.trend-ev a,.trend-table summary{color:var(--sky)}
.trend-table summary{cursor:pointer;font-size:14px;font-weight:700;margin:6px 0}
.trend-table table{font-size:14px;background:rgba(3,15,30,.45);color:#fff}
.trend-table th,.trend-table td{border-bottom:1px solid rgba(156,196,234,.12)}
.trend-table tr:first-child th{background:rgba(61,180,255,.15);color:#fff}
@media(max-width:900px){.trend{grid-template-columns:1fr;padding:16px;gap:14px}.trend-side{order:-1}.trend-stats{grid-template-columns:repeat(3,1fr)}.trend-ev,.trend-sum ul{grid-template-columns:1fr}}
@media(max-width:560px){.trend-stats{grid-template-columns:1fr}.trend-stats b{font-size:19px}.trend-ctrl button{padding:7px 9px;font-size:12px}}
.video{margin:6px 0 10px}
.video video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:var(--navy);border-radius:14px;box-shadow:0 10px 30px rgba(10,37,64,.18)}
.video figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.vnote{display:inline-block;background:var(--sky-soft);color:var(--blue);border-radius:6px;padding:1px 8px;font-size:13px;font-weight:600;margin-left:4px}
.brand{order:0}nav.main{order:1}.lang{order:2}header.site .btn{order:3}.burger{order:4}
@media(max-width:1120px){
.burger{display:inline-block}
.lang{margin-left:auto}
nav.main{display:none;order:5;flex-basis:100%;flex-direction:column;align-items:stretch;padding:4px 0 6px}
header.site.open nav.main{display:flex}
nav.main .dd>summary{justify-content:space-between;font-size:16px;padding:10px}
nav.main .dd-menu,nav.main .dd-menu.cols{position:static;min-width:0;box-shadow:none;border:0;background:rgba(255,255,255,.06);margin:2px 0 6px}
nav.main .dd-menu a{color:#e3eef9}
nav.main .dd-menu a:hover,nav.main .dd-menu a[aria-current]{background:rgba(255,255,255,.1);color:#fff}
}
.mbar{display:none;align-items:center;gap:10px;position:fixed;z-index:50;right:24px;bottom:24px;background:linear-gradient(135deg,var(--navy),#14508c);border:1px solid rgba(61,180,255,.35);border-radius:16px;box-shadow:0 14px 40px rgba(10,37,64,.35);padding:12px 14px 12px 18px;transition:transform .3s ease,opacity .3s ease}
.mbar.on{display:flex}
.mbar.off{transform:translateY(calc(100% + 40px));opacity:0;pointer-events:none}
.mbar code{font:800 20px/1 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--sky);letter-spacing:.05em;margin-right:6px}
.mbar .copy{padding:9px 14px;font-size:13px;white-space:nowrap}
.mbar .btn{padding:10px 16px;font-size:14px;white-space:nowrap}
.mbar-x{background:none;border:0;color:#9cc4ea;font-size:24px;line-height:1;padding:4px 2px 4px 6px;cursor:pointer}
.mbar-x:hover{color:#fff}
@media(max-width:760px){
footer.site{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
.mbar{left:0;right:0;bottom:0;gap:8px;border-radius:0;border-width:1px 0 0;background:rgba(10,37,64,.97);box-shadow:0 -8px 24px rgba(10,37,64,.25);padding:10px 8px calc(10px + env(safe-area-inset-bottom)) 12px}
.mbar code{font-size:19px;margin-right:auto}
.mbar .copy{padding:9px 12px}
.mbar .btn{padding:10px 14px}
}
@media(max-width:400px){.mbar{gap:6px;padding-left:10px;padding-right:4px}.mbar code{font-size:17px}.mbar .copy{font-size:12px;padding:8px 10px}.mbar .btn{font-size:13px;padding:9px 12px}.mbar-x{font-size:22px;padding:4px}}
@media(prefers-reduced-motion:reduce){.mbar{transition:none}}
@media(max-width:560px){header.site .btn{display:none}nav.main .dd-menu.cols{grid-template-columns:1fr}.codebox{grid-template-columns:1fr}.codebox code{font-size:26px}body{font-size:16px}}