:root{
  --navy:#0F172A;
  --navy-2:#1E3A8A;
  --emerald:#059669;
  --emerald-dk:#047857;
  --amber:#D97706;
  --amber-bg:#FEF6E7;
  --bg:#F8FAFC;
  --surface:#FFFFFF;
  --line:#DCE3EC;
  --line-strong:#C3CEDD;
  --ink:#16202F;
  --ink-soft:#4A5768;
  --sans:'IBM Plex Sans','IBM Plex Sans Devanagari',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --serif:'Source Serif 4','Noto Serif Devanagari',Georgia,serif;
  --wrap:1080px;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:calc(64px + env(safe-area-inset-top,0px));-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
body[data-lang="hi"]{font-size:17.5px;line-height:1.78}
img{max-width:100%;display:block}
a{color:var(--navy-2);text-underline-offset:3px}
a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:3px solid var(--amber);outline-offset:2px;border-radius:2px;
}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.22;letter-spacing:-0.01em;margin:0}
h1{font-size:clamp(1.85rem,5.2vw,2.7rem)}
h2{font-size:clamp(1.35rem,3.6vw,1.75rem)}
h3{font-size:1.12rem;font-family:var(--sans);font-weight:600;line-height:1.4}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.narrow{max-width:760px}

/* ---------- header ---------- */
.top{
  position:sticky;top:env(safe-area-inset-top,0px);z-index:40;
  background:var(--navy);color:#fff;border-bottom:3px solid var(--emerald);
}
.top-in{max-width:var(--wrap);margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;margin-right:auto}
.brand img{width:42px;height:auto;background:#fff;border-radius:7px;padding:3px}
.brand b{font-family:var(--serif);font-size:1.32rem;letter-spacing:-0.02em;display:block;line-height:1.1}
.brand span{font-size:.72rem;color:#AFC0DC;letter-spacing:.02em}
.langbtns{display:flex;border:1px solid #3A4E73;border-radius:8px;overflow:hidden}
.langbtns button{
  background:transparent;color:#CBD7EA;border:0;font:inherit;font-size:.88rem;font-weight:600;
  padding:7px 13px;cursor:pointer;
}
.langbtns button[aria-pressed="true"]{background:#fff;color:var(--navy)}
.menubtn{display:none;background:transparent;border:1px solid #3A4E73;border-radius:8px;color:#fff;padding:7px 11px;font:inherit;cursor:pointer}
nav.main{background:#16264C;color:#fff}
nav.main ul{max-width:var(--wrap);margin:0 auto;padding:0 12px;list-style:none;display:flex;gap:2px;overflow-x:auto}
nav.main a{
  display:block;padding:11px 14px;color:#D4DEEF;text-decoration:none;font-size:.93rem;font-weight:500;white-space:nowrap;
  border-bottom:3px solid transparent;
}
nav.main a[aria-current="page"]{color:#fff;border-bottom-color:var(--emerald)}
@media(max-width:760px){
  .menubtn{display:block}
  nav.main ul{flex-direction:column;padding:6px 12px 12px}
  nav.main[hidden]{display:none}
  nav.main a{border-bottom:1px solid #26385F;border-left:3px solid transparent;padding:12px 10px}
  nav.main a[aria-current="page"]{border-left-color:var(--emerald);border-bottom-color:#26385F}
  .brand img{width:36px}
}

/* ---------- notice band ---------- */
.safety{background:var(--amber-bg);border-bottom:1px solid #F0D9AE;color:#6B4308;font-size:.9rem}
.safety .wrap{padding-top:9px;padding-bottom:9px;display:flex;gap:10px;align-items:flex-start}
.safety svg{flex:none;margin-top:2px}

/* ---------- page ---------- */
main{display:block;min-height:60vh;padding-bottom:56px}
.page{padding-top:34px}
.eyebrow{color:var(--ink-soft);font-size:.9rem;font-weight:500;margin:0 0 6px}
.lede{font-size:1.1rem;color:var(--ink-soft);max-width:62ch}

/* ---------- hero ---------- */
.hero{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);border-bottom:1px solid var(--line);padding:38px 0 30px}
.hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:38px;align-items:start}
.hero h1{max-width:16ch}
.hero .lede{margin-top:14px}
.heromark{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;text-align:center}
.heromark img{width:170px;margin:0 auto 10px}
.heromark p{font-size:.92rem;color:var(--ink-soft);margin:0}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:26px}.heromark{display:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-block;font:inherit;font-weight:600;font-size:1rem;cursor:pointer;
  padding:13px 22px;border-radius:9px;border:1px solid transparent;text-decoration:none;text-align:center;
}
.btn-go{background:var(--emerald);color:#fff;box-shadow:0 1px 0 var(--emerald-dk)}
.btn-go:hover{background:var(--emerald-dk)}
.btn-navy{background:var(--navy-2);color:#fff}
.btn-navy:hover{background:var(--navy)}
.btn-ghost{background:#fff;color:var(--navy-2);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--navy-2)}
.btn-sm{padding:9px 15px;font-size:.92rem}
.btnrow{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ---------- triage ---------- */
.triage{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.tri{background:#fff;border:1px solid var(--line);border-top:4px solid var(--navy-2);border-radius:11px;padding:18px}
.tri:nth-child(2){border-top-color:var(--amber)}
.tri:nth-child(3){border-top-color:#9A3412}
.tri h3{margin-bottom:6px}
.tri p{font-size:.94rem;color:var(--ink-soft);margin:0}
@media(max-width:800px){.triage{grid-template-columns:1fr}}

/* ---------- generic blocks ---------- */
.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px;margin:22px 0}
.panel.go{border-left:5px solid var(--emerald)}
.panel.warn{border-left:5px solid var(--amber);background:var(--amber-bg);border-color:#F0D9AE}
.panel.stop{border-left:5px solid #9A3412;background:#FEF2F0;border-color:#F3D3CB}
.panel h2,.panel h3{margin-bottom:10px}
.panel > :last-child{margin-bottom:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:760px){.grid2{grid-template-columns:1fr}}
ul.plain{padding-left:1.15em;margin:0 0 1em}
ul.plain li{margin-bottom:.45em}
ul.ticks{list-style:none;padding:0;margin:0 0 1em}
ul.ticks li{padding-left:28px;position:relative;margin-bottom:.5em}
ul.ticks li::before{content:"";position:absolute;left:6px;top:.55em;width:8px;height:8px;background:var(--emerald);border-radius:2px}
table{width:100%;border-collapse:collapse;font-size:.95rem;margin:0 0 1em}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#EEF2F7;font-weight:600;font-size:.88rem;color:var(--navy)}
.tablescroll{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
.tag{display:inline-block;font-size:.78rem;font-weight:600;padding:3px 9px;border-radius:20px;background:#EAF1FB;color:var(--navy-2)}
.tag.amber{background:var(--amber-bg);color:#8A5106}
.tag.green{background:#E6F5EF;color:var(--emerald-dk)}
.cite{font-size:.86rem;color:var(--ink-soft);border-left:3px solid var(--line-strong);padding-left:12px;margin:0 0 1em}

/* ---------- diagnostic ---------- */
.qcard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;max-width:680px}
.qnum{font-size:.88rem;color:var(--ink-soft);margin-bottom:6px}
.qtext{font-family:var(--serif);font-size:1.45rem;font-weight:700;line-height:1.3;margin:0 0 18px}
.opts{display:flex;flex-direction:column;gap:10px}
.opt{
  display:block;width:100%;text-align:left;font:inherit;background:#fff;cursor:pointer;
  border:1px solid var(--line-strong);border-radius:10px;padding:14px 16px;
}
.opt:hover{border-color:var(--emerald);background:#F4FBF8}
.opt small{display:block;color:var(--ink-soft);font-size:.87rem;margin-top:2px}
.prog{height:6px;background:#E3E9F1;border-radius:4px;overflow:hidden;max-width:680px;margin-bottom:18px}
.prog i{display:block;height:100%;background:var(--emerald);transition:width .25s}
.backlink{background:none;border:0;font:inherit;color:var(--navy-2);cursor:pointer;padding:8px 0;font-size:.93rem}

/* ---------- timeline ---------- */
.rail{list-style:none;padding:0;margin:18px 0 0;position:relative}
.rail::before{content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;background:var(--line-strong)}
.rail li{position:relative;padding:0 0 22px 40px}
.rail li::before{
  content:"";position:absolute;left:4px;top:5px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--line-strong);
}
.rail li.done::before{background:var(--emerald);border-color:var(--emerald)}
.rail li.due::before{background:var(--amber);border-color:var(--amber)}
.rail .when{font-weight:600;font-size:.95rem}
.rail .what{color:var(--ink-soft);font-size:.94rem}
.rail .date{font-size:.88rem;color:var(--navy-2);font-weight:600}

/* ---------- letters ---------- */
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:.93rem;margin-bottom:5px}
.field input,.field select,.field textarea{
  width:100%;font:inherit;font-size:1rem;padding:11px 12px;border:1px solid var(--line-strong);
  border-radius:8px;background:#fff;color:var(--ink);
}
.field .hint{font-size:.84rem;color:var(--ink-soft);margin-top:4px}
.letter{
  background:#fff;border:1px solid var(--line);border-radius:10px;padding:30px;margin-top:18px;
  font-size:.97rem;line-height:1.7;white-space:pre-wrap;
}
.letter h4{font-family:var(--sans);font-size:1rem;margin:0 0 14px;color:var(--navy-2)}

/* ---------- guides ---------- */
.guidelist{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.guidecard{background:#fff;border:1px solid var(--line);border-radius:11px;padding:18px;text-decoration:none;color:inherit;display:block}
.guidecard:hover{border-color:var(--navy-2)}
.guidecard h3{margin-bottom:5px;color:var(--navy-2)}
.guidecard p{font-size:.93rem;color:var(--ink-soft);margin:0}
@media(max-width:760px){.guidelist{grid-template-columns:1fr}}
.article h2{margin:32px 0 10px}
.article h3{margin:24px 0 8px}
.article table{background:#fff}

/* ---------- footer ---------- */
footer{background:var(--navy);color:#C6D2E6;padding:40px 0 30px;font-size:.93rem}
footer a{color:#fff}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:28px}
footer h4{font-family:var(--sans);font-size:.95rem;color:#fff;margin:0 0 10px;font-weight:600}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin-bottom:7px}
.fbrand img{width:52px;background:#fff;border-radius:8px;padding:4px;margin-bottom:10px}
.fnote{border-top:1px solid #2A3A5C;margin-top:28px;padding-top:18px;font-size:.86rem;color:#9FB0CB}
@media(max-width:760px){.fgrid{grid-template-columns:1fr;gap:22px}}

.skip{position:absolute;left:-9999px;background:#fff;padding:10px 16px;z-index:100}
.skip:focus{left:12px;top:12px}

@media print{
  .top,nav.main,.safety,footer,.noprint{display:none!important}
  body{background:#fff;font-size:12pt}
  .letter{border:0;padding:0;margin:0}
  .page{padding-top:0}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.langlink{display:block;padding:7px 13px;color:#CBD7EA;text-decoration:none;font-size:.88rem;font-weight:600}
.langlink.on{background:#fff;color:var(--navy)}

/* language switch on pre-rendered pages (anchors, not buttons) */
.langlink{display:block;padding:7px 13px;color:#CBD7EA;text-decoration:none;font-size:.88rem;font-weight:600}
.langlink.on{background:#fff;color:var(--navy)}
/* card headings that are h2 for hierarchy but must look like h3 */
.cardhead{font-family:var(--sans);font-size:1.12rem;font-weight:600;line-height:1.4;margin:0 0 5px;color:var(--navy-2)}
.panelhead{font-family:var(--sans);font-size:1.12rem;font-weight:600;line-height:1.4;margin:0 0 10px}
footer h2.fhead{font-family:var(--sans);font-size:.95rem;color:#fff;margin:0 0 10px;font-weight:600}
/* reserved advertising slot — stays invisible until an ad unit is pasted in */
.adslot{margin:30px 0}
.adslot:empty{display:none}