/* =========================================================================
   TIRANGA & INDIA — Design System
   Concept: "The Archival Dossier" — the site reads like a well-kept
   national-archive case file: parchment stock, ledger typography,
   stamped file tabs, and a hand-ruled timeline. Warm, serious, unhurried.
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;0,9..144,700;1,9..144,500&family=Source+Sans+3:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* --- Color tokens --- */
  --ink:        #201d16;
  --ink-soft:   #52493c;
  --ink-faint:  #8a7f68;
  --paper:      #efe7ce;   /* parchment */
  --paper-deep: #e4d8ac;   /* aged card stock */
  --paper-line: #d7c896;
  --cream:      #f8f4e6;
  --navy:       #142238;
  --navy-deep:  #0b1526;
  --navy-soft:  #2b3e5c;
  --saffron:    #c07a2c;
  --saffron-brt:#df9a3d;
  --green:      #235a3f;
  --green-soft: #2f7355;
  --maroon:     #7a2e2e;
  --white:      #fffdf7;

  /* --- Type --- */
  --f-display: 'Fraunces', 'Georgia', serif;
  --f-body:    'Source Sans 3', -apple-system, sans-serif;
  --f-mono:    'IBM Plex Mono', ui-monospace, monospace;

  /* --- Layout --- */
  --maxw: 1180px;
  --radius: 3px;
  --shadow-card: 0 1px 0 rgba(32,29,22,0.06), 0 6px 18px -10px rgba(32,29,22,0.25);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--f-body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--navy);text-decoration-color:var(--saffron);text-underline-offset:3px;}
a:hover{color:var(--saffron);}
h1,h2,h3,h4{font-family:var(--f-display);color:var(--navy-deep);line-height:1.15;margin:0 0 .5em;font-weight:600;}
h1{font-size:clamp(2.1rem,4.5vw,3.4rem);font-weight:600;}
h2{font-size:clamp(1.5rem,3vw,2.15rem);}
h3{font-size:1.28rem;}
p{margin:0 0 1.1em;}
ul,ol{padding-left:1.3em;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* Skip link */
.skip-link{
  position:absolute;left:-999px;top:0;background:var(--navy);color:var(--white);
  padding:10px 16px;z-index:999;font-family:var(--f-mono);font-size:.85rem;
}
.skip-link:focus{left:12px;top:12px;}

/* Focus visibility */
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid var(--saffron-brt);outline-offset:2px;
}

/* =========================== Header / Nav ============================ */
.site-header{
  background:var(--navy-deep);
  color:var(--cream);
  border-bottom:4px solid var(--saffron);
}
.masthead{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;gap:16px;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--white);}
.brand-mark{width:34px;height:34px;flex:none;}
.brand-text{font-family:var(--f-display);font-size:1.28rem;font-weight:600;letter-spacing:.2px;}
.brand-text small{display:block;font-family:var(--f-mono);font-size:.62rem;letter-spacing:.14em;color:var(--saffron-brt);text-transform:uppercase;font-weight:500;}

.main-nav ul{list-style:none;display:flex;gap:2px;margin:0;padding:0;flex-wrap:wrap;}
.main-nav a{
  color:var(--cream);text-decoration:none;font-family:var(--f-mono);font-size:.82rem;
  letter-spacing:.03em;padding:8px 12px;border-radius:2px;display:inline-block;
}
.main-nav a:hover,.main-nav a[aria-current="page"]{background:rgba(223,154,61,0.16);color:var(--saffron-brt);}
.nav-toggle{display:none;}

.subbar{background:var(--navy);color:var(--paper);font-family:var(--f-mono);font-size:.74rem;letter-spacing:.05em;}
.subbar .container{padding:6px 24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px;}

/* Breadcrumbs */
.breadcrumbs{font-family:var(--f-mono);font-size:.78rem;color:var(--ink-faint);padding:14px 0 0;}
.breadcrumbs a{color:var(--ink-soft);}
.breadcrumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;padding:0;margin:0;}
.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:6px;color:var(--paper-line);}

/* =========================== Buttons =========================== */
.btn{
  display:inline-block;font-family:var(--f-mono);font-size:.85rem;letter-spacing:.03em;
  padding:11px 20px;border-radius:2px;text-decoration:none;border:1.5px solid var(--navy);
  color:var(--navy);background:transparent;cursor:pointer;
}
.btn:hover{background:var(--navy);color:var(--white);}
.btn-solid{background:var(--saffron);border-color:var(--saffron);color:var(--white);}
.btn-solid:hover{background:var(--saffron-brt);border-color:var(--saffron-brt);color:var(--white);}
.btn-ghost{border-color:rgba(255,253,247,0.5);color:var(--white);}
.btn-ghost:hover{background:rgba(255,253,247,0.12);color:var(--white);}

/* =========================== Hero =========================== */
.hero{
  background:
    radial-gradient(ellipse at 15% 0%, rgba(223,154,61,0.14), transparent 55%),
    linear-gradient(180deg,var(--navy-deep),var(--navy) 120%);
  color:var(--cream);position:relative;overflow:hidden;
}
.hero .container{padding:72px 24px 56px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero-eyebrow{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--saffron-brt);margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.hero-eyebrow::before{content:"";width:22px;height:1px;background:var(--saffron-brt);}
.hero h1{color:var(--white);}
.hero p.lede{font-size:1.12rem;color:#d8d2c0;max-width:52ch;}
.hero-cta{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap;}
.hero-ruler{
  border-left:1px dashed rgba(255,253,247,0.28);padding-left:28px;
  font-family:var(--f-mono);font-size:.8rem;color:#c9c2ab;
}
.hero-ruler .yr{color:var(--saffron-brt);font-weight:600;}
.hero-ruler dl{margin:0;}
.hero-ruler .row{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid rgba(255,253,247,0.1);}
.hero-ruler .row:last-child{border-bottom:none;}

/* =========================== Sections =========================== */
.section{padding:60px 0;}
.section-tight{padding:36px 0;}
.section-alt{background:var(--cream);}
.section-navy{background:var(--navy-deep);color:var(--cream);}
.section-navy h2{color:var(--white);}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-head .kicker{font-family:var(--f-mono);font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--saffron);margin-bottom:6px;display:block;}
.section-head h2{margin:0;}
.section-lede{max-width:70ch;color:var(--ink-soft);}

/* =========================== Card Grid (dossier cards) ===== */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}

.card{
  background:var(--cream);border:1px solid var(--paper-line);border-radius:var(--radius);
  padding:22px 22px 20px;position:relative;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;height:100%;
}
.card::before{
  content:"";position:absolute;top:0;left:22px;width:34px;height:8px;
  background:var(--saffron);border-radius:0 0 3px 3px;
}
.card .tag{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:var(--green-soft);margin:12px 0 8px;}
.card h3{margin-bottom:8px;font-size:1.12rem;}
.card p{color:var(--ink-soft);font-size:.95rem;margin-bottom:14px;}
.card .card-link{margin-top:auto;font-family:var(--f-mono);font-size:.8rem;text-decoration:none;}
.card .card-link::after{content:" \2192";}

/* Leader dossier card */
.card-leader{text-align:left;}
.card-leader .file-no{font-family:var(--f-mono);font-size:.68rem;color:var(--ink-faint);letter-spacing:.06em;}
.card-leader .years{font-family:var(--f-mono);font-size:.78rem;color:var(--ink-faint);margin-bottom:6px;}

/* Nav cards (explore) */
.nav-card{
  display:block;padding:24px;border:1px solid var(--paper-line);border-radius:var(--radius);
  background:var(--white);text-decoration:none;color:var(--ink);transition:transform .15s ease, box-shadow .15s ease;
}
.nav-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card);}
.nav-card .num{font-family:var(--f-mono);font-size:.75rem;color:var(--saffron);}
.nav-card h3{margin:8px 0 6px;color:var(--navy-deep);}
.nav-card p{color:var(--ink-soft);font-size:.9rem;margin:0;}

/* =========================== Timeline ruler (signature element) === */
.ledger{
  overflow-x:auto;border-top:2px solid var(--navy-deep);border-bottom:2px solid var(--navy-deep);
  padding:6px 0 0;
}
.ledger-track{display:flex;min-width:max-content;position:relative;}
.ledger-item{
  flex:none;width:190px;padding:18px 18px 22px;border-right:1px dashed var(--paper-line);
  cursor:pointer;background:transparent;text-align:left;font:inherit;
}
.ledger-item:hover,.ledger-item:focus-visible{background:var(--paper-deep);}
.ledger-item .yr{font-family:var(--f-mono);font-weight:600;color:var(--maroon);font-size:1.05rem;display:block;}
.ledger-item .tick{width:100%;height:1px;background:var(--paper-line);margin:10px 0;position:relative;}
.ledger-item .tick::before{content:"";position:absolute;left:0;top:-3px;width:2px;height:7px;background:var(--navy-soft);}
.ledger-item .evt{font-size:.86rem;color:var(--ink-soft);}

/* Timeline detail panel */
.timeline-detail{
  margin-top:26px;background:var(--white);border:1px solid var(--paper-line);
  border-left:5px solid var(--saffron);border-radius:var(--radius);padding:26px 28px;
}
.timeline-detail .meta{font-family:var(--f-mono);font-size:.78rem;color:var(--ink-faint);display:flex;gap:18px;flex-wrap:wrap;margin-bottom:10px;}

/* =========================== Article layout =========================== */
.article-head{padding:44px 0 8px;}
.article-head .kicker{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--saffron);}
.byline{
  font-family:var(--f-mono);font-size:.8rem;color:var(--ink-faint);display:flex;gap:18px;flex-wrap:wrap;
  border-top:1px solid var(--paper-line);border-bottom:1px solid var(--paper-line);padding:12px 0;margin:18px 0 32px;
}
.article-layout{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:start;}
.toc{
  position:sticky;top:20px;font-family:var(--f-mono);font-size:.82rem;background:var(--cream);
  border:1px solid var(--paper-line);border-radius:var(--radius);padding:16px 18px;
}
.toc p{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-faint);margin:0 0 10px;}
.toc ol{list-style:decimal;padding-left:1.1em;margin:0;}
.toc li{margin-bottom:8px;}
.toc a{color:var(--ink-soft);text-decoration:none;}
.toc a:hover{color:var(--saffron);}

.prose{max-width:74ch;}
.prose h2{margin-top:1.6em;padding-top:.2em;}
.prose h2 .h-num{font-family:var(--f-mono);color:var(--saffron);font-size:.7em;margin-right:8px;}
.prose h3{margin-top:1.3em;}
.prose figure{margin:1.8em 0;}
.prose figcaption{font-family:var(--f-mono);font-size:.78rem;color:var(--ink-faint);margin-top:8px;}
.pull-note{
  background:var(--paper-deep);border-left:4px solid var(--green);padding:14px 18px;
  font-size:.94rem;border-radius:0 3px 3px 0;margin:1.6em 0;
}
.pull-note strong{color:var(--green);font-family:var(--f-mono);font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;display:block;margin-bottom:4px;}

.refs{background:var(--cream);border:1px solid var(--paper-line);border-radius:var(--radius);padding:20px 24px;margin-top:2.4em;}
.refs h2{font-size:1.1rem;}
.refs ul{padding-left:1.1em;font-size:.92rem;color:var(--ink-soft);}

.related{margin-top:2.6em;}

/* FAQ accordion */
.faq details{border-bottom:1px solid var(--paper-line);padding:14px 0;}
.faq summary{
  font-family:var(--f-body);font-weight:600;cursor:pointer;list-style:none;color:var(--navy-deep);
  display:flex;justify-content:space-between;gap:12px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";font-family:var(--f-mono);color:var(--saffron);flex:none;}
.faq details[open] summary::after{content:"\2212";}
.faq p{margin:12px 0 0;color:var(--ink-soft);}

/* =========================== Ad slots =========================== */
.ad-slot{
  border:1px dashed var(--paper-line);background:var(--cream);border-radius:var(--radius);
  padding:22px;text-align:center;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--ink-faint);margin:2em 0;
}
.ad-slot span{display:block;margin-top:4px;font-size:.68rem;}

/* =========================== Footer =========================== */
.site-footer{background:var(--navy-deep);color:#cfc9b6;padding:52px 0 24px;margin-top:70px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,253,247,0.12);}
.footer-grid h4{color:var(--white);font-family:var(--f-mono);font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;}
.footer-grid ul{list-style:none;padding:0;margin:0;}
.footer-grid li{margin-bottom:8px;}
.footer-grid a{color:#cfc9b6;text-decoration:none;font-size:.9rem;}
.footer-grid a:hover{color:var(--saffron-brt);}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:20px;font-family:var(--f-mono);font-size:.74rem;color:#8d876f;}

/* =========================== Utility =========================== */
.center{text-align:center;}
.mt-0{margin-top:0;}
.small{font-size:.85rem;color:var(--ink-soft);}
.tag-list{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:0;}
.tag-list li{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.05em;text-transform:uppercase;background:var(--paper-deep);padding:4px 10px;border-radius:20px;color:var(--ink-soft);}

form.contact-form{display:grid;gap:16px;max-width:560px;}
.contact-form label{display:block;font-family:var(--f-mono);font-size:.78rem;margin-bottom:6px;color:var(--ink-soft);}
.contact-form input,.contact-form textarea{
  width:100%;font-family:var(--f-body);font-size:1rem;padding:11px 13px;border:1.5px solid var(--paper-line);
  border-radius:2px;background:var(--white);color:var(--ink);
}
.contact-form input:focus,.contact-form textarea:focus{border-color:var(--saffron);}

/* =========================== Responsive =========================== */
@media (max-width:920px){
  .hero .container{grid-template-columns:1fr;}
  .article-layout{grid-template-columns:1fr;}
  .toc{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .main-nav ul{gap:0;}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero .container{padding:52px 20px 40px;}
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .nav-card{transition:none;}
}