/* =========================================================
   SHRESHTA (श्रेष्ठ) — Design Tokens
   Theme: "Scholar's Crest" — garnet & antique gold, distinct
   from the blue NMMS identity. Serif display for prestige,
   humanist sans for readability.
   ========================================================= */
:root{
  --garnet-900:#3d0f22;
  --garnet-800:#5c1530;
  --garnet-700:#7c1d3f;
  --garnet-600:#96254c;
  --gold-600:#a97a1f;
  --gold-500:#c99a2e;
  --gold-300:#e8c568;
  --gold-100:#f5e6bf;
  --paper:#fbf6ee;
  --paper-raised:#ffffff;
  --ink:#241a1f;
  --ink-soft:#5a4a4f;
  --line:#e6dac2;
  --success:#1f7a4d;
  --success-bg:#e8f5ee;
  --warn:#9a5b12;
  --warn-bg:#fbf0dc;
  --danger:#a12626;
  --danger-bg:#fbeaea;
  --radius:10px;
  --radius-sm:6px;
  --shadow-sm:0 1px 2px rgba(61,15,34,.08);
  --shadow-md:0 6px 20px rgba(61,15,34,.10);
  --font-display:"Lora",Georgia,"Noto Serif Devanagari",serif;
  --font-body:"Hind","Inter",system-ui,-apple-system,sans-serif;
  --maxw:1180px;
}

[data-theme="dark"]{
  --garnet-900:#f5e6bf;
  --paper:#1c1216;
  --paper-raised:#271923;
  --ink:#f3e9de;
  --ink-soft:#cbb9c4;
  --line:#3d2a35;
  --success-bg:#123021;
  --warn-bg:#2e230f;
  --danger-bg:#331414;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 6px 24px rgba(0,0,0,.5);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--ink);
  line-height:1.7;
  font-size:17px;
  -webkit-font-smoothing:antialiased;
  transition:background .2s ease,color .2s ease;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--garnet-700);text-decoration:none;}
[data-theme="dark"] a{color:var(--gold-300);}
a:hover{text-decoration:underline;}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--garnet-800);line-height:1.28;margin:0 0 .5em;}
[data-theme="dark"] h1,[data-theme="dark"] h2,[data-theme="dark"] h3,[data-theme="dark"] h4{color:var(--gold-300);}
h1{font-size:clamp(1.8rem,4vw,2.6rem);}
h2{font-size:clamp(1.4rem,3vw,1.9rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px;}
:focus-visible{outline:3px solid var(--gold-600);outline-offset:2px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--garnet-800);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 8px 0;}
.skip-link:focus{left:0;}

/* ---------- Top utility bar ---------- */
.topbar{background:var(--garnet-900);color:#f5e6bf;font-size:.82rem;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;padding:6px 20px;flex-wrap:wrap;gap:6px;}
.topbar a{color:#f5e6bf;}
.lang-note{opacity:.85;}

/* ---------- Header ---------- */
header.site-header{background:var(--paper-raised);border-bottom:3px solid var(--gold-500);position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;gap:16px;}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.brand:hover{text-decoration:none;}
.crest{width:44px;height:44px;flex-shrink:0;}
.brand-text{line-height:1.15;}
.brand-text .hi{font-family:var(--font-display);font-weight:700;font-size:1.3rem;color:var(--garnet-800);}
[data-theme="dark"] .brand-text .hi{color:var(--gold-300);}
.brand-text .en{font-size:.72rem;color:var(--ink-soft);letter-spacing:.03em;}

nav.primary-nav{display:flex;flex-wrap:wrap;gap:2px;align-items:center;}
nav.primary-nav a{color:var(--ink);padding:8px 12px;border-radius:var(--radius-sm);font-size:.92rem;font-weight:600;}
nav.primary-nav a:hover,nav.primary-nav a:focus-visible{background:var(--gold-100);text-decoration:none;color:var(--garnet-800);}
[data-theme="dark"] nav.primary-nav a:hover{background:var(--garnet-800);color:var(--gold-300);}
nav.primary-nav a[aria-current="page"]{background:var(--garnet-700);color:#fff;}

.nav-actions{display:flex;align-items:center;gap:10px;}
.theme-toggle{background:none;border:2px solid var(--line);border-radius:999px;width:40px;height:40px;cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;color:var(--ink);}
.theme-toggle:hover{border-color:var(--gold-500);}
.hamburger{display:none;background:none;border:2px solid var(--line);border-radius:var(--radius-sm);width:40px;height:40px;cursor:pointer;font-size:1.2rem;}

@media (max-width:920px){
  nav.primary-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--paper-raised);flex-direction:column;padding:10px;border-bottom:3px solid var(--gold-500);box-shadow:var(--shadow-md);max-height:70vh;overflow-y:auto;}
  nav.primary-nav.open{display:flex;}
  .hamburger{display:flex;align-items:center;justify-content:center;}
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{background:var(--gold-100);padding:9px 0;font-size:.85rem;}
[data-theme="dark"] .breadcrumb{background:var(--paper-raised);}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0 20px;max-width:var(--maxw);margin:0 auto;}
.breadcrumb li:not(:last-child)::after{content:"›";margin-left:6px;color:var(--ink-soft);}
.breadcrumb a{color:var(--garnet-700);}
[data-theme="dark"] .breadcrumb a{color:var(--gold-300);}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(135deg,var(--garnet-800),var(--garnet-700) 60%,var(--garnet-600));color:#fdf7ea;padding:56px 0 64px;position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(201,154,46,.07) 0 2px,transparent 2px 26px);pointer-events:none;}
.hero .container{position:relative;display:grid;grid-template-columns:1.3fr .9fr;gap:36px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(201,154,46,.18);border:1px solid var(--gold-300);color:var(--gold-100);padding:5px 14px;border-radius:999px;font-size:.8rem;font-weight:600;margin-bottom:16px;}
.hero h1{color:#fff;margin-bottom:.4em;}
.hero p.lead{font-size:1.08rem;color:#f2e3cd;max-width:56ch;}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px;}
.hero-badge{background:rgba(255,255,255,.06);border:1px solid rgba(232,197,104,.4);border-radius:var(--radius);padding:22px;backdrop-filter:blur(2px);}
.hero-badge dl{display:grid;grid-template-columns:1fr auto;gap:8px 12px;margin:0;font-size:.92rem;}
.hero-badge dt{color:var(--gold-200,#eecf8e);}
.hero-badge dd{margin:0;font-weight:700;text-align:right;color:#fff;}
@media (max-width:820px){.hero .container{grid-template-columns:1fr;}}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:var(--radius-sm);font-weight:700;font-size:.95rem;border:2px solid transparent;cursor:pointer;text-decoration:none;}
.btn:hover{text-decoration:none;}
.btn-gold{background:var(--gold-500);color:var(--garnet-900);}
.btn-gold:hover{background:var(--gold-300);}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-outline:hover{background:rgba(255,255,255,.12);}
.btn-primary{background:var(--garnet-700);color:#fff;}
.btn-primary:hover{background:var(--garnet-800);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--gold-500);}

/* ---------- Notification ticker ---------- */
.ticker-section{background:var(--gold-100);border-top:1px solid var(--gold-300);border-bottom:1px solid var(--gold-300);padding:10px 0;}
[data-theme="dark"] .ticker-section{background:var(--paper-raised);}
.ticker-wrap{display:flex;align-items:center;gap:14px;}
.ticker-label{background:var(--garnet-700);color:#fff;font-weight:700;font-size:.78rem;padding:5px 12px;border-radius:999px;flex-shrink:0;letter-spacing:.02em;}
.ticker-list{display:flex;flex-direction:column;gap:3px;font-size:.9rem;overflow:hidden;}
.ticker-list li{list-style:none;}
.ticker-list a{color:var(--ink);font-weight:600;}
.ticker-date{color:var(--ink-soft);font-weight:400;font-size:.82rem;}

/* ---------- Sections ---------- */
section.block{padding:48px 0;}
section.block.alt{background:var(--paper-raised);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:70ch;margin-bottom:26px;}
.eyebrow{color:var(--gold-600);font-weight:700;letter-spacing:.06em;font-size:.8rem;text-transform:uppercase;}
[data-theme="dark"] .eyebrow{color:var(--gold-300);}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
@media (max-width:820px){.grid-3{grid-template-columns:1fr 1fr;}.grid-2{grid-template-columns:1fr;}}
@media (max-width:560px){.grid-3{grid-template-columns:1fr;}}

.card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);}
.card h3{margin-top:0;}
.icon-badge{width:44px;height:44px;border-radius:10px;background:var(--gold-100);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:12px;}
[data-theme="dark"] .icon-badge{background:var(--garnet-800);}

/* ---------- Timeline ---------- */
.timeline{list-style:none;margin:0;padding:0;border-left:3px solid var(--gold-500);}
.timeline li{position:relative;padding:0 0 26px 26px;}
.timeline li::before{content:"";position:absolute;left:-9px;top:4px;width:16px;height:16px;border-radius:50%;background:var(--garnet-700);border:3px solid var(--gold-300);}
.timeline .t-title{font-weight:700;color:var(--garnet-800);}
[data-theme="dark"] .timeline .t-title{color:var(--gold-300);}
.timeline .t-desc{color:var(--ink-soft);font-size:.95rem;margin-top:2px;}

/* ---------- Tables ---------- */
.table-wrap{overflow-x:auto;margin:18px 0;border:1px solid var(--line);border-radius:var(--radius);}
table{width:100%;border-collapse:collapse;font-size:.94rem;background:var(--paper-raised);}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);}
thead th{background:var(--garnet-700);color:#fff;font-family:var(--font-display);font-weight:600;}
tbody tr:nth-child(even){background:var(--gold-100);}
[data-theme="dark"] tbody tr:nth-child(even){background:var(--paper);}
tbody tr:last-child td{border-bottom:none;}

/* ---------- Lists ---------- */
ul.checklist{list-style:none;margin:0;padding:0;}
ul.checklist li{padding:6px 0 6px 30px;position:relative;}
ul.checklist li::before{content:"✓";position:absolute;left:0;top:6px;color:var(--success);font-weight:700;background:var(--success-bg);width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;}

/* ---------- Callouts ---------- */
.callout{border-radius:var(--radius);padding:16px 18px;margin:20px 0;border:1px solid;}
.callout.official{background:var(--success-bg);border-color:var(--success);}
.callout.warn{background:var(--warn-bg);border-color:var(--warn);}
.callout.info{background:var(--gold-100);border-color:var(--gold-500);}
[data-theme="dark"] .callout.info{background:var(--paper-raised);}
.callout strong{display:block;margin-bottom:4px;}

/* ---------- TOC ---------- */
.toc{background:var(--paper-raised);border:1px solid var(--line);border-left:4px solid var(--garnet-700);border-radius:var(--radius);padding:18px 22px;margin:0 0 30px;}
.toc h2{font-size:1rem;margin-bottom:10px;font-family:var(--font-body);text-transform:uppercase;letter-spacing:.04em;color:var(--garnet-700);}
[data-theme="dark"] .toc h2{color:var(--gold-300);}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:24px;}
@media (max-width:640px){.toc ol{columns:1;}}
.toc a{font-size:.92rem;}

/* ---------- Article layout ---------- */
.article-header{padding:30px 0 6px;}
.updated-badge{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;color:var(--ink-soft);background:var(--paper-raised);border:1px solid var(--line);padding:5px 12px;border-radius:999px;margin-bottom:14px;}
.article-body h2{margin-top:1.6em;}
.article-body h3{margin-top:1.3em;}

/* ---------- FAQ ---------- */
.faq-item{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;background:var(--paper-raised);overflow:hidden;}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:16px 18px;font-weight:700;font-family:var(--font-display);font-size:1.02rem;color:var(--garnet-800);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;}
[data-theme="dark"] .faq-q{color:var(--gold-300);}
.faq-q::after{content:"+";font-size:1.3rem;color:var(--gold-600);flex-shrink:0;}
.faq-item.open .faq-q::after{content:"−";}
.faq-a{padding:0 18px;max-height:0;overflow:hidden;transition:max-height .25s ease,padding .25s ease;color:var(--ink-soft);}
.faq-item.open .faq-a{padding:0 18px 18px;max-height:600px;}

/* ---------- Calculators / tools ---------- */
.tool-box{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);}
.tool-box .field{margin-bottom:16px;}
.tool-box label{display:block;font-weight:700;margin-bottom:6px;font-size:.92rem;}
.tool-box input,.tool-box select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper);color:var(--ink);font-size:.98rem;font-family:var(--font-body);}
.tool-box input:focus,.tool-box select:focus{border-color:var(--gold-500);}
.tool-result{margin-top:18px;padding:16px;border-radius:var(--radius-sm);font-weight:700;display:none;}
.tool-result.show{display:block;}
.tool-result.pass{background:var(--success-bg);color:var(--success);}
.tool-result.fail{background:var(--danger-bg);color:var(--danger);}
.tool-result.neutral{background:var(--gold-100);color:var(--garnet-800);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
@media (max-width:560px){.field-row{grid-template-columns:1fr;}}

/* ---------- Internal links grid ---------- */
.linkgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
@media (max-width:920px){.linkgrid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.linkgrid{grid-template-columns:1fr;}}
.linkgrid a{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;font-weight:700;color:var(--ink);display:block;}
.linkgrid a:hover{border-color:var(--gold-500);color:var(--garnet-700);text-decoration:none;}
[data-theme="dark"] .linkgrid a:hover{color:var(--gold-300);}
.linkgrid span{display:block;font-weight:400;font-size:.82rem;color:var(--ink-soft);margin-top:2px;}

/* ---------- Sidebar / two-col ---------- */
.two-col{display:grid;grid-template-columns:2.1fr 1fr;gap:34px;align-items:start;}
@media (max-width:900px){.two-col{grid-template-columns:1fr;}}
.side-card{background:var(--paper-raised);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:18px;}
.side-card h3{font-size:1rem;margin-bottom:10px;}
.side-card ul{margin:0;padding-left:18px;font-size:.92rem;}
.side-card li{margin-bottom:6px;}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--garnet-900);color:#e9d9c8;margin-top:40px;padding:44px 0 20px;}
footer.site-footer a{color:#f0d78c;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px;}
@media (max-width:820px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}
.footer-grid h4{color:#fff;font-family:var(--font-display);font-size:1rem;margin-bottom:12px;}
.footer-grid ul{list-style:none;margin:0;padding:0;}
.footer-grid li{margin-bottom:8px;font-size:.92rem;}
.footer-bottom{border-top:1px solid rgba(232,197,104,.25);margin-top:32px;padding-top:16px;font-size:.82rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;color:#cdb9a6;}
.disclaimer-strip{background:var(--garnet-800);color:#f2e3cd;font-size:.8rem;padding:8px 0;text-align:center;}

/* ---------- Misc ---------- */
.text-center{text-align:center;}
.small{font-size:.85rem;color:var(--ink-soft);}
.mt-0{margin-top:0;}
hr.rule{border:none;border-top:1px solid var(--line);margin:34px 0;}
.tag{display:inline-block;background:var(--gold-100);color:var(--garnet-800);font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:999px;margin:0 6px 6px 0;}
[data-theme="dark"] .tag{background:var(--garnet-800);color:var(--gold-300);}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important;}}