/* KALCHITRA — custom responsive stylesheet */
:root{--navy:#091525;--navy2:#10243a;--ink:#182638;--gold:#c9a15b;--gold2:#e2c58c;--cream:#f4efe4;--paper:#e9dfcc;--muted:#9ba6b3;--line:rgba(201,161,91,.28);--serif:"Noto Serif Bengali",serif;--sans:"Hind Siliguri",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:84px}body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75}a{color:inherit;text-decoration:none}.container{width:min(1160px,calc(100% - 48px));margin-inline:auto}.topline{height:4px;background:linear-gradient(90deg,#8a6229,var(--gold2),#8a6229)}
.site-header{position:sticky;top:0;z-index:20;background:rgba(9,21,37,.97);backdrop-filter:blur(14px);border-bottom:1px solid rgba(201,161,91,.2)}.nav{height:78px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0}.brand-mark{width:42px;height:42px;border:1px solid var(--gold);transform:rotate(45deg);display:grid;place-items:center;color:var(--gold2);font-family:var(--serif);font-size:23px}.brand-mark span{transform:rotate(-45deg)}.brand-copy{display:flex;flex-direction:column;line-height:1.15}.brand-copy strong{font-family:var(--serif);font-size:20px;font-weight:700}.brand-copy small{font-size:9px;letter-spacing:3px;color:var(--gold);margin-top:5px}.nav-links{display:flex;align-items:center;gap:25px;color:#d6dce3;font-size:14px}.nav-links a{transition:color .2s}.nav-links a:hover,.nav-links a.active{color:var(--gold2)}.nav-cta{font-size:13px;color:var(--gold2);border:1px solid var(--line);padding:10px 14px}.nav-cta span{margin-left:8px}.menu-toggle{display:none;background:none;border:1px solid var(--line);color:#fff;padding:8px 12px;font-size:20px}
.hero{position:relative;overflow:hidden;background:radial-gradient(ellipse at 76% 44%,#1b3853 0%,#10243a 32%,#091525 72%);color:#fff;min-height:640px}.hero:before,.hero:after{content:"";position:absolute;pointer-events:none;border:1px solid rgba(201,161,91,.12);border-radius:50%;width:760px;height:760px;right:-170px;top:-210px}.hero:after{width:600px;height:600px;right:-90px;top:-130px}.hero-texture{position:absolute;inset:0;opacity:.12;background-image:radial-gradient(#d7bb83 .6px,transparent .6px);background-size:18px 18px;mask-image:linear-gradient(90deg,transparent,#000)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:50px;padding-top:75px;padding-bottom:65px}.eyebrow{display:flex;align-items:center;gap:11px;color:var(--gold2);font-size:12px;letter-spacing:1.3px;font-weight:600}.eyebrow-line{display:inline-block;width:31px;height:1px;background:var(--gold)}.eyebrow.dark{color:#8d682f}.hero h1,.section-heading h2,.feature-copy h2,.world-grid h2,.about-copy h2{font-family:var(--serif);font-weight:600;line-height:1.35;letter-spacing:-1px}.hero h1{font-size:clamp(38px,5vw,61px);margin:24px 0 18px}.hero h1 em,.section-heading h2 em,.feature-copy h2 em,.world-grid h2 em,.about-copy h2 em{font-style:normal;color:var(--gold2)}.hero-lead{font-size:20px;color:#f0e8d8;max-width:520px;line-height:1.7;margin:0 0 12px}.hero-description{color:#aeb9c5;max-width:500px;font-size:15px;margin:0}.hero-actions{display:flex;align-items:center;gap:25px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;padding:13px 19px;font-weight:600;font-size:14px;transition:transform .2s,background .2s}.button:hover{transform:translateY(-2px)}.button-gold{background:linear-gradient(135deg,#d9bb80,#b88c45);color:#111c29}.button-outline{border:1px solid #b58a4a;color:#8a642e}.text-link{font-size:14px;color:#e1d2b4}.text-link span{margin-left:7px;color:var(--gold)}.hero-note{display:flex;align-items:center;gap:10px;color:#9caaba;font-size:12px;margin-top:40px}.pulse{width:7px;height:7px;background:#c6a15f;border-radius:50%;box-shadow:0 0 0 5px rgba(198,161,95,.12)}
.hero-art{height:440px;position:relative;display:grid;place-items:center}.art-orbit{position:absolute;border:1px solid rgba(218,188,132,.3);border-radius:50%;transform:rotate(-22deg)}.orbit-one{width:420px;height:340px}.orbit-two{width:340px;height:430px;transform:rotate(35deg)}.sun-disc{position:absolute;width:210px;height:210px;border-radius:50%;top:48px;background:radial-gradient(circle,#f4d99e 0%,#c89c54 50%,rgba(200,156,84,.05) 72%);opacity:.85;filter:blur(.3px)}.temple{position:absolute;bottom:106px;width:280px;height:170px;border-bottom:8px solid #76512d;background:linear-gradient(90deg,#75502f,#c29450,#6d4829);clip-path:polygon(0 24%,50% 0,100% 24%,92% 32%,88% 32%,88% 100%,12% 100%,12% 32%,8% 32%)}.temple:before{content:"";position:absolute;top:24%;left:8%;right:8%;height:12px;background:#e0b66d}.temple i{position:relative;display:inline-block;width:22px;height:105px;margin:50px 7px 0 10px;background:linear-gradient(90deg,#704b2a,#d4aa69,#76512f);border-radius:7px 7px 0 0}.temple b{position:absolute;bottom:0;left:0;right:0;height:13px;background:#e0b66d}.temple-back{width:330px;height:190px;bottom:103px;opacity:.55;transform:scale(.8) translateY(-40px)}.temple-front{filter:drop-shadow(0 12px 12px #050d18);}.book{position:absolute;z-index:3;bottom:57px;width:340px;height:95px;display:flex;filter:drop-shadow(0 15px 12px rgba(0,0,0,.4));}.book-page{width:50%;height:78px;background:linear-gradient(145deg,#f1d9a5,#b98749);border:2px solid #795329;position:relative}.left-page{transform:skewY(8deg);border-radius:8px 0 0 3px}.right-page{transform:skewY(-8deg);border-radius:0 8px 3px 0}.book-page:after{content:"";position:absolute;inset:12px;border:1px solid rgba(98,63,27,.35)}.book-spine{position:absolute;left:50%;height:90px;width:8px;background:#6f4724;transform:translateX(-50%);border-radius:50%}.art-caption{position:absolute;bottom:8px;display:flex;flex-direction:column;align-items:center;color:#d9bb80;letter-spacing:3px;font-size:9px}.art-caption b{font-family:var(--serif);font-size:16px;letter-spacing:1px;margin-top:2px}.art-star{position:absolute;color:var(--gold2);font-size:23px}.star-a{top:70px;left:65px}.star-b{right:45px;top:140px}.star-c{left:100px;bottom:120px}.hero-bottom{position:relative;z-index:2;display:flex;justify-content:space-between;color:#8795a4;font-size:10px;letter-spacing:1px;padding:14px 0 18px;border-top:1px solid rgba(201,161,91,.18)}.scroll-cue{color:#d5c19b}.scroll-cue b{font-size:17px;margin-left:8px}
.intro-strip{background:#e9dfcd;border-bottom:1px solid #ded1ba}.intro-grid{display:grid;grid-template-columns:170px 1fr;gap:35px;align-items:center;padding:27px 0}.intro-label{font-size:12px;color:#8d682f;font-weight:700;letter-spacing:1px}.intro-grid p{font-size:17px;color:#344052;margin:0}.intro-grid strong{color:#8a642e}
.section{padding-top:90px;padding-bottom:90px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:30px}.section-heading h2,.feature-copy h2,.world-grid h2,.about-copy h2{font-size:clamp(30px,4vw,43px);margin:12px 0 0;color:#182638}.section-heading h2 em,.about-copy h2 em{color:#9a7139}.section-heading>p{font-size:14px;color:#697382;margin:0 0 6px}.filter-row{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:24px}.filter{border:1px solid #d5c8b1;background:transparent;color:#606b79;padding:8px 15px;font:500 13px var(--sans);cursor:pointer;transition:.2s}.filter:hover,.filter.active{background:#10243a;color:#f2e5c9;border-color:#10243a}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.video-card{background:#fffdf8;border:1px solid #e5dccd;transition:transform .25s,box-shadow .25s}.video-card:hover{transform:translateY(-5px);box-shadow:0 15px 35px rgba(27,36,47,.1)}.card-image{height:220px;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;flex-direction:column;color:#f5e7c8;background:#14253a}.card-image:before{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(5,13,22,.88),rgba(5,13,22,.08) 70%)}.image-pala{background:radial-gradient(circle at 50% 30%,#d5a65d 0%,#78502f 24%,#1c3445 65%,#091525 100%)}.image-pala:after{content:"";position:absolute;bottom:0;width:80%;height:58%;background:linear-gradient(90deg,#4d3525,#b07b3e,#563b29);clip-path:polygon(0 32%,50% 0,100% 32%,92% 40%,88% 40%,88% 100%,12% 100%,12% 40%,8% 40%);opacity:.85}.image-egypt{background:linear-gradient(160deg,#e0b46a,#7c512e 48%,#1a2b3a)}.image-egypt:after{content:"";position:absolute;bottom:0;width:100%;height:75%;background:#b4864d;clip-path:polygon(5% 100%,40% 18%,72% 100%,78% 100%,91% 45%,100% 100%);opacity:.8}.image-rome{background:linear-gradient(160deg,#bd9b69,#79543b 55%,#17283a)}.image-rome:after{content:"";position:absolute;bottom:0;width:82%;height:63%;background:repeating-linear-gradient(90deg,#d1b17a 0 13%,#684a31 13% 17%);clip-path:polygon(0 20%,50% 0,100% 20%,100% 100%,0 100%);opacity:.7}.card-tag{position:absolute;top:15px;left:15px;z-index:2;border:1px solid rgba(232,204,151,.55);padding:4px 9px;font-size:10px;color:#f4dfb8;letter-spacing:.5px}.play-button{position:absolute;z-index:3;top:45%;left:50%;transform:translate(-50%,-50%);width:43px;height:43px;border:1px solid rgba(255,255,255,.75);border-radius:50%;display:grid;place-items:center;padding-left:3px;font-size:13px;background:rgba(9,21,37,.3)}.image-title{z-index:2;margin-top:auto;font-family:var(--serif);font-size:26px;text-shadow:0 2px 8px #000}.image-subtitle{z-index:2;font-size:9px;letter-spacing:3px;margin-bottom:14px;color:#e2c58c}.card-body{padding:19px 20px 22px}.card-meta{display:flex;justify-content:space-between;color:#99743e;font-size:11px}.card-meta span+span{color:#9ca2a8}.card-body h3{font-family:var(--serif);font-size:18px;line-height:1.5;margin:10px 0 7px;color:#1c2b3b}.card-body p{font-size:13px;color:#737b84;margin:0 0 16px}.card-link{font-size:13px;font-weight:600;color:#8d682f}.card-link span{margin-left:6px}.empty-state{padding:35px;text-align:center;color:#737b84;background:#fffdf8}
.feature-band{background:#10243a;color:#fff;padding:82px 0}.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.feature-visual{padding:22px}.map-paper{height:350px;position:relative;overflow:hidden;background:radial-gradient(ellipse at 52% 46%,#e9d5a8,#c6a574 70%,#8d6a43);border:9px solid #8b6639;box-shadow:0 15px 30px rgba(0,0,0,.3);background-image:repeating-linear-gradient(15deg,transparent 0 25px,rgba(102,72,39,.07) 26px 27px),radial-gradient(ellipse at 52% 46%,#e9d5a8,#c6a574 70%,#8d6a43)}.map-paper:before{content:"";position:absolute;inset:13px;border:1px solid rgba(89,60,30,.45)}.map-river{position:absolute;width:120%;height:70px;top:48%;left:-10%;border-top:3px solid rgba(62,104,104,.55);border-bottom:2px solid rgba(62,104,104,.35);transform:rotate(-17deg);border-radius:50%}.map-label{position:absolute;color:#59452d;font-family:var(--serif);font-size:18px;font-weight:700}.label-one{top:26%;left:25%}.label-two{top:56%;left:56%}.label-three{top:72%;left:28%}.map-compass{position:absolute;right:25px;top:23px;font-size:45px;color:#74502e;text-align:center}.map-compass small{display:block;font:10px var(--sans);margin-top:-13px}.map-route{position:absolute;width:160px;height:115px;left:35%;top:32%;border:2px dashed rgba(125,67,40,.65);border-left:0;border-bottom:0;border-radius:50%;transform:rotate(18deg)}.visual-caption{display:block;text-align:center;color:#9caaba;font-size:10px;margin-top:12px}.feature-copy .eyebrow{color:#d5b778}.feature-copy h2{color:#fff;margin-bottom:17px}.feature-copy h2 em{color:#d7b778}.feature-copy>p{color:#bac5d0;font-size:15px}.feature-points{list-style:none;padding:0;margin:22px 0 28px;color:#d8dfe6;font-size:14px}.feature-points li{margin:9px 0}.feature-points li:before{content:"✦";color:var(--gold);margin-right:11px;font-size:11px}.feature-copy .button-outline{border-color:#b58a4a;color:#e4c78f}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.topic{min-height:185px;position:relative;overflow:hidden;padding:22px;background:#142a40;color:#fff;display:flex;flex-direction:column;justify-content:end;isolation:isolate}.topic:before{content:"";position:absolute;inset:0;z-index:-1;opacity:.65;transition:transform .4s}.topic:hover:before{transform:scale(1.08)}.topic-one:before{background:linear-gradient(0deg,#0a1725,transparent),radial-gradient(circle at 50% 35%,#b47c3e,#254058)}.topic-two:before{background:linear-gradient(0deg,#0a1725,transparent),radial-gradient(circle at 50% 35%,#c19a5d,#39434a)}.topic-three:before{background:linear-gradient(0deg,#0a1725,transparent),radial-gradient(circle at 50% 35%,#8c5c3b,#253b4d)}.topic-four:before{background:linear-gradient(0deg,#0a1725,transparent),radial-gradient(circle at 50% 35%,#9d7955,#203d4b)}.topic>span{position:absolute;top:15px;left:18px;color:#e4c78f;font-size:11px;letter-spacing:2px}.topic b{font-family:var(--serif);font-size:19px}.topic small{color:#c0c8d0;font-size:11px}.topic i{position:absolute;right:18px;bottom:20px;color:#e4c78f;font-style:normal}
.world-section{background:linear-gradient(115deg,#0a1726,#19344b);color:#fff;padding:65px 0}.world-grid{display:grid;grid-template-columns:1fr 1fr auto;gap:35px;align-items:center}.world-grid h2{color:#fff;margin-top:12px}.world-grid h2 em{color:#d7b778}.world-grid>p{color:#b9c4cf;font-size:14px;margin:0;max-width:400px}.world-grid .button{white-space:nowrap}
.about-section{display:grid;grid-template-columns:280px 1fr;gap:80px;align-items:center}.about-seal{width:245px;height:245px;border:1px solid #b78d4e;border-radius:50%;display:grid;place-items:center;margin:auto;position:relative}.about-seal:before,.about-seal:after{content:"";position:absolute;inset:12px;border:1px solid #d2b77f;border-radius:50%}.about-seal:after{inset:24px;border-style:dashed;opacity:.7}.seal-inner{width:155px;height:155px;border-radius:50%;background:#10243a;color:#d9b875;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 8px 25px rgba(15,30,45,.18)}.seal-inner span{font-family:var(--serif);font-size:65px;line-height:1}.seal-inner small{letter-spacing:3px;font-size:9px;margin-top:8px}.about-copy h2{margin-bottom:18px}.about-copy p{color:#687482;font-size:15px;max-width:730px}.signature{font-family:var(--serif);font-size:20px;color:#8e672f;margin-top:23px}.signature span{font-family:var(--sans);font-size:13px;color:#8b929a}
.quote-section{background:#e8ddca;border-top:1px solid #d8c9ae;border-bottom:1px solid #d8c9ae;text-align:center;padding:55px 0}.quote-inner{display:flex;flex-direction:column;align-items:center}.quote-mark{font-family:Georgia,serif;color:#b78d4e;font-size:65px;line-height:.7}.quote-inner blockquote{font-family:var(--serif);font-size:clamp(20px,3vw,28px);line-height:1.7;color:#243449;margin:12px 0}.quote-rule{width:48px;height:2px;background:#b78d4e;margin:8px 0 12px}.quote-inner small{font-size:11px;color:#8c7656;letter-spacing:1px}
.footer{background:#091525;color:#fff;padding-top:55px}.footer-main{display:grid;grid-template-columns:2fr 1fr 1fr;gap:65px;padding-bottom:42px}.footer-brand p{color:#9ba8b6;font-size:13px;max-width:340px;margin-top:20px}.footer-links{display:flex;flex-direction:column;gap:10px;font-size:13px;color:#aab5c0}.footer-links b{color:#d9bd85;font-size:14px;margin-bottom:6px}.footer-links a:hover{color:#e5c98e}.footer-bottom{border-top:1px solid rgba(201,161,91,.2);padding:17px 0;display:flex;justify-content:space-between;color:#7f8d9c;font-size:11px}
@media(max-width:980px){.nav-links{gap:14px}.nav-cta{display:none}.hero-grid{gap:20px}.hero-art{transform:scale(.9)}.feature-grid{gap:35px}.topic-grid{grid-template-columns:repeat(2,1fr)}.world-grid{grid-template-columns:1fr 1fr}.world-grid .button{grid-column:1/-1;justify-self:start}}
@media(max-width:720px){.container{width:min(100% - 34px,560px)}.nav{height:68px}.menu-toggle{display:block}.nav-links{display:none;position:absolute;top:68px;left:0;right:0;background:#0b1b2d;padding:18px 25px 24px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}.nav-links.open{display:flex}.hero-grid{grid-template-columns:1fr;padding-top:58px;padding-bottom:28px}.hero h1{font-size:43px}.hero-art{height:340px;transform:scale(.82);margin:-10px -35px -15px}.hero-bottom{font-size:8px}.intro-grid{grid-template-columns:1fr;gap:5px;padding:22px 0}.intro-grid p{font-size:15px}.section{padding-top:65px;padding-bottom:65px}.section-heading{align-items:flex-start;flex-direction:column;gap:9px}.section-heading>p br{display:none}.video-grid{grid-template-columns:1fr}.card-image{height:230px}.feature-band{padding:60px 0}.feature-grid{grid-template-columns:1fr;gap:30px}.feature-visual{padding:0}.map-paper{height:290px}.topic-grid{grid-template-columns:1fr 1fr;gap:10px}.topic{min-height:160px;padding:15px}.topic b{font-size:16px}.world-grid{grid-template-columns:1fr;gap:18px}.world-grid .button{grid-column:auto}.about-section{grid-template-columns:1fr;gap:38px}.about-seal{width:205px;height:205px}.seal-inner{width:130px;height:130px}.seal-inner span{font-size:52px}.footer-main{grid-template-columns:1fr 1fr;gap:32px}.footer-brand{grid-column:1/-1}.footer-bottom{gap:8px;flex-direction:column}.hero-actions{gap:16px;flex-wrap:wrap}}
@media(max-width:390px){.hero h1{font-size:36px}.hero-art{transform:scale(.7);margin:-35px -55px}.topic-grid{grid-template-columns:1fr}.footer-main{grid-template-columns:1fr}.footer-brand{grid-column:auto}}