:root{
  --bg:#120d24;--bg2:#1d1638;--card:#241c46;--ink:#f7f1e3;--muted:#b9b0d6;
  --saffron:#ffb703;--vermilion:#fb5607;--line:rgba(255,255,255,.09);--r:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;min-height:100vh;color:var(--ink);background:var(--bg);
  font-family:'Hind Siliguri',system-ui,-apple-system,'Segoe UI',sans-serif;line-height:1.7;
  background-image:radial-gradient(1000px 500px at 10% -10%,#3b1f6e66,transparent),radial-gradient(800px 400px at 110% 10%,#fb560622,transparent);
  background-color:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--saffron);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:100%;max-width:1100px;margin:0 auto;padding:0 16px}

/* header */
header.top{position:sticky;top:0;z-index:50;background:#120d24e6;backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;color:var(--ink)}
.brand:hover{text-decoration:none}
.brand img{width:32px;height:32px;border-radius:8px}
nav{display:flex;align-items:center;flex-wrap:wrap}
nav a{color:var(--muted);margin-left:16px;font-size:.95rem}
nav a:hover,nav a.active{color:var(--saffron);text-decoration:none}
.menu-btn{display:none;background:none;border:1px solid var(--line);color:var(--ink);border-radius:10px;padding:6px 12px;font:inherit;font-size:.95rem;cursor:pointer}
@media (max-width:820px){
  .menu-btn{display:block}
  nav{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg2);padding:6px 16px 16px;border-bottom:1px solid var(--line)}
  nav.open{display:flex}
  nav a{margin:0;padding:12px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
}

/* hero */
.hero{position:relative;overflow:hidden;padding:72px 0 56px}
.hero .orb{position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,#ffb70370,#fb560626 55%,transparent 70%);pointer-events:none}
.hero .om{position:absolute;right:6%;top:12%;font-size:clamp(6rem,18vw,11rem);color:#ffb70326;font-family:serif;pointer-events:none;user-select:none}
.hero h1{position:relative;font-size:clamp(2.6rem,7vw,4.6rem);line-height:1.15;margin:.25em 0 .1em;background:linear-gradient(90deg,var(--saffron),var(--vermilion));-webkit-background-clip:text;background-clip:text;color:transparent}
.eyebrow{display:inline-block;padding:6px 14px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:.9rem}
.lead{position:relative;color:var(--muted);font-size:1.1rem;max-width:640px;margin:0}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* buttons */
.btn{display:inline-block;padding:12px 22px;border-radius:999px;background:linear-gradient(90deg,var(--saffron),var(--vermilion));color:#1a1000;font-weight:700;border:0;cursor:pointer;font:inherit;font-size:1rem}
.btn:hover{text-decoration:none;filter:brightness(1.07)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}

/* sections */
section.block{padding:44px 0}
.page-head{padding-top:56px;padding-bottom:8px}
.page-head h1{font-size:clamp(2rem,5vw,3rem);margin:.2em 0;line-height:1.2}
h2.sec{font-size:1.7rem;margin:0 0 4px}
.sub{color:var(--muted);margin:0 0 22px}
.notice{background:var(--bg2);border-left:4px solid var(--saffron);padding:14px 18px;border-radius:12px;color:var(--muted);font-size:.95rem;margin:18px 0}
.empty{color:var(--muted);text-align:center;padding:30px 10px;border:1px dashed var(--line);border-radius:var(--r)}

/* cards */
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
a.card,.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;color:var(--ink);transition:transform .2s,border-color .2s}
a.card:hover{transform:translateY(-3px);border-color:#ffb70366;text-decoration:none}
.thumb{position:relative;aspect-ratio:4/3;display:grid;place-items:center;background:linear-gradient(135deg,#ffb703,#fb5607 55%,#7b2cbf)}
.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.thumb span{font-size:2.6rem;filter:drop-shadow(0 2px 6px #0006)}
.card .body{padding:16px 18px 20px}
.card h3{margin:.15em 0;font-size:1.12rem;line-height:1.4}
.card p{margin:.3em 0;color:var(--muted);font-size:.95rem}
.tag{font-size:.8rem;color:var(--saffron);letter-spacing:.02em}

/* timeline */
.tl-item{position:relative;border-left:2px solid var(--vermilion);padding:0 0 26px 20px;margin-left:8px}
.tl-item::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--saffron)}
.tl-year{color:var(--saffron);font-weight:700;font-size:1.05rem}
.tl-item h3{margin:.1em 0;font-size:1.2rem}
.tl-item p{margin:.2em 0;color:var(--muted)}
.tl-src{font-size:.85rem;color:var(--muted)}

/* pdf */
.pdf-tools{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.pdf-tools input,.pdf-tools select{flex:1;min-width:200px;padding:12px 14px;border-radius:12px;border:1px solid var(--line);background:var(--card);color:var(--ink);font:inherit;font-size:1rem}
.pdf-item{display:flex;justify-content:space-between;gap:14px;align-items:center;flex-wrap:wrap;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;margin-bottom:12px}
.pdf-item strong{font-size:1.05rem}
.pdf-item .meta{color:var(--muted);font-size:.9rem;margin:.1em 0}
.pdf-actions{display:flex;gap:8px;flex-wrap:wrap}
.pdf-actions a{padding:8px 16px;border-radius:999px;border:1px solid var(--line);color:var(--ink);font-size:.92rem}
.pdf-actions a.primary{background:var(--saffron);color:#1a1000;border-color:transparent;font-weight:700}

/* contact */
.contact-list a{display:flex;align-items:center;gap:12px;padding:16px 18px;background:var(--card);border:1px solid var(--line);border-radius:14px;margin:12px 0;color:var(--ink)}
.contact-list a:hover{border-color:#ffb70366;text-decoration:none}
.contact-list .ico{font-size:1.5rem}
.contact-list small{display:block;color:var(--muted)}

/* text blocks */
.pillars{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.pillar{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.pillar h3{margin:.1em 0 .3em}
.pillar p,.pillar li{color:var(--muted);font-size:.97rem}
.pillar ul{padding-left:18px;margin:.4em 0 0}
.quote{font-size:1.15rem;border-left:3px solid var(--vermilion);padding-left:16px;margin:18px 0}

footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:.95rem;margin-top:40px}
footer .row{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}