:root{
  --navy:#10344c;        --navy-2:#164a6b;
  --ink:#1a2b38;         --muted:#5c7488;
  --gold:#c9a24b;        --gold-2:#e8c96a;
  --bg:#eef2f5;          --bg-2:#f6fafc;
  --card:#ffffff;        --line:#e2ebf1;
  --shadow:0 10px 40px -18px rgba(16,52,76,.35);
  --shadow-sm:0 4px 18px -10px rgba(16,52,76,.30);
  --r:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:'Montserrat',system-ui,-apple-system,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
.wrap{width:min(1160px,92vw);margin-inline:auto}
a{color:var(--navy-2);text-decoration:none}
h1,h2,h3{font-family:'Cormorant Garamond',serif;font-weight:600;color:var(--navy);line-height:1.12;margin:0}
:lang(hi),.brand-tag{font-family:'Noto Sans Devanagari','Montserrat',sans-serif}

/* ---------- Header ---------- */
.site-head{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.head-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{display:flex;align-items:center;gap:14px}
.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;
  font-family:'Cormorant Garamond',serif;font-weight:700;font-size:20px;letter-spacing:.5px;
  box-shadow:var(--shadow-sm)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-weight:700;letter-spacing:.14em;font-size:15px;color:var(--navy)}
.brand-tag{font-size:11px;color:var(--gold);font-weight:600}
.head-nav{display:flex;gap:26px;font-size:14px;font-weight:500}
.head-nav a{color:var(--muted);padding:6px 0;position:relative}
.head-nav a.active,.head-nav a:hover{color:var(--navy)}
.head-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-2))}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;
  background:linear-gradient(160deg,#12344d 0%,#0d2a3e 55%,#0a2233 100%);color:#fff;
  padding:72px 0 96px}
.hero-glow{position:absolute;inset:0;background:
  radial-gradient(600px 300px at 82% -10%,rgba(201,162,75,.35),transparent 60%),
  radial-gradient(500px 260px at 8% 120%,rgba(22,74,107,.6),transparent 60%)}
.hero-inner{position:relative}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.28em;text-transform:uppercase;
  color:var(--gold-2);font-weight:600;margin-bottom:16px}
.hero h1{color:#fff;font-size:clamp(38px,6vw,66px);letter-spacing:.5px}
.hero-sub{max-width:640px;margin:16px 0 0;font-size:clamp(15px,2vw,18px);color:#cfe0ec}
.hero-intro{max-width:640px;margin:14px 0 0;font-size:14px;color:#a7c0d2}

/* ---------- Layout ---------- */
.ir-layout{display:grid;grid-template-columns:290px 1fr;gap:34px;
  margin:-56px auto 80px;position:relative;z-index:5;align-items:start}

/* ---------- Category nav ---------- */
.ir-nav{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);
  border:1px solid var(--line);overflow:hidden;position:sticky;top:94px}
.ir-nav-head{padding:18px 22px;font-size:12px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);font-weight:600;border-bottom:1px solid var(--line)}
.ir-nav-scroll{max-height:70vh;overflow:auto;padding:8px}
.cat-btn{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;
  text-align:left;border:0;background:transparent;cursor:pointer;padding:12px 14px;border-radius:10px;
  font-family:inherit;font-size:14px;font-weight:500;color:var(--ink);transition:.18s}
.cat-btn:hover{background:var(--bg-2)}
.cat-btn.is-active{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff}
.cat-name{flex:1}
.cat-count{min-width:24px;text-align:center;font-size:12px;font-weight:600;padding:2px 8px;border-radius:20px;
  background:var(--bg);color:var(--muted)}
.cat-btn.is-active .cat-count{background:rgba(255,255,255,.18);color:#fff}
.ir-nav-select-wrap{display:none;padding:14px}
.ir-nav-select{width:100%;padding:12px;border-radius:10px;border:1px solid var(--line);
  font-family:inherit;font-size:14px;background:#fff;color:var(--ink)}

/* ---------- Content ---------- */
.ir-content{min-height:400px}
.cat-panel{display:none;animation:fade .35s ease}
.cat-panel.is-active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.panel-head{display:flex;align-items:baseline;gap:14px;margin-bottom:20px;
  padding-bottom:16px;border-bottom:1px solid var(--line)}
.panel-head h2{font-size:clamp(26px,3.4vw,34px)}
.panel-count{font-size:12px;font-weight:600;color:var(--gold);text-transform:uppercase;letter-spacing:.1em}

.doc-grid{display:grid;gap:14px}
.doc-card{display:flex;align-items:center;gap:18px;background:var(--card);border:1px solid var(--line);
  border-radius:14px;padding:18px 20px;box-shadow:var(--shadow-sm);transition:.2s}
.doc-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#d5e3ec}
.doc-icon{flex:none;display:grid;place-items:center;width:52px;height:52px;border-radius:12px;
  background:linear-gradient(135deg,#f3f7fa,#e7f0f6);color:var(--navy-2)}
.text-card .doc-icon{background:linear-gradient(135deg,#faf4e4,#f5ead0);color:var(--gold)}
.doc-main{flex:1;min-width:0}
.doc-title{font-family:'Montserrat',sans-serif;font-size:15px;font-weight:600;color:var(--ink);
  line-height:1.4}
.doc-date{display:inline-block;margin-top:4px;font-size:12px;color:var(--muted)}
.doc-actions{flex:none;display:flex;gap:10px;align-items:center}
.doc-empty{font-size:13px;color:var(--muted);font-style:italic}

.btn{display:inline-flex;align-items:center;gap:6px;border:0;cursor:pointer;font-family:inherit;
  font-size:13px;font-weight:600;padding:10px 18px;border-radius:9px;transition:.18s;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 8px 20px -10px rgba(16,52,76,.6)}
.btn-ghost{background:var(--bg);color:var(--navy);border:1px solid var(--line)}
.btn-ghost:hover{background:#e7eff5}

.empty-state{display:grid;place-items:center;gap:14px;padding:64px 20px;color:var(--muted);
  text-align:center;background:var(--card);border:1px dashed #d3e0e9;border-radius:14px}
.empty-state svg{width:40px;height:40px;color:#b9cdd9}

/* ---------- Footer ---------- */
.site-foot{background:#0d2a3e;color:#c7d7e2;margin-top:auto}
.foot-inner{display:flex;flex-wrap:wrap;gap:30px;justify-content:space-between;padding:50px 0}
.foot-brand .brand-name{color:#fff;font-size:18px}
.foot-brand p{margin:8px 0 0;font-size:13px;color:#8fabbd}
.foot-contact p{margin:0 0 6px;font-size:13px;color:#8fabbd}
.foot-contact a{color:var(--gold-2);font-weight:600}
.foot-bar{border-top:1px solid rgba(255,255,255,.08);font-size:12px;color:#7f9aad;padding:18px 0}

/* ---------- Modal ---------- */
.modal{position:fixed;inset:0;z-index:80;display:none}
.modal.open{display:block}
.modal-overlay{position:absolute;inset:0;background:rgba(10,34,51,.55);backdrop-filter:blur(3px)}
.modal-box{position:relative;background:#fff;width:min(720px,92vw);max-height:86vh;overflow:auto;
  margin:6vh auto;border-radius:16px;box-shadow:0 30px 80px -20px rgba(0,0,0,.5);animation:pop .3s ease}
@keyframes pop{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff}
.modal-head h3{font-size:24px}
.modal-close{border:0;background:var(--bg);width:36px;height:36px;border-radius:50%;font-size:22px;
  cursor:pointer;color:var(--muted);line-height:1}
.modal-close:hover{background:#e7eff5;color:var(--navy)}
.modal-body{padding:24px 26px;font-size:15px;color:var(--ink)}
.modal-body :is(h1,h2,h3,h4){font-family:'Montserrat',sans-serif;color:var(--navy)}
.modal-body ul,.modal-body ol{padding-left:20px}
.modal-body p{margin:0 0 12px}

/* ---------- Responsive ---------- */
@media(max-width:860px){
  .ir-layout{grid-template-columns:1fr;gap:22px;margin-top:-40px}
  .ir-nav{position:static;top:auto}
  .ir-nav-scroll{display:none}
  .ir-nav-head{display:none}
  .ir-nav-select-wrap{display:block}
  .head-nav{display:none}
  .hero{padding:56px 0 74px}
}
@media(max-width:560px){
  .doc-card{flex-wrap:wrap}
  .doc-actions{width:100%;justify-content:flex-end}
  .foot-inner{flex-direction:column;gap:20px}
}