/* =========================================================
   NN GROUP — KANNADA FINANCIAL PORTAL
   Design concept: "ಲೆಕ್ಕದ ಪುಸ್ತಕ" (the ledger/passbook)
   Ink indigo + marigold gold on sage ledger paper.
   Signature: ruled passbook lines used structurally, not decoratively —
   every number the user cares about sits on a ruled "entry line".
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Baloo+Tamma+2:wght@500;600;700;800&family=Noto+Sans+Kannada:wght@400;500;600;700&family=Roboto+Mono:wght@500;600;700&display=swap');

:root{
  /* --- color tokens --- */
  --ink-900:#10192E;
  --ink-800:#1B2A4A;
  --ink-700:#243759;
  --ink-600:#3C5278;
  --gold-500:#E8A33D;
  --gold-600:#D18C24;
  --gold-700:#A76E16;
  --success-600:#2F7D5A;
  --success-100:#E3F1EA;
  --alert-600:#C1443A;
  --alert-100:#FBEAE8;
  --paper:#EEF4EC;
  --paper-line:#CBDBC8;
  --paper-line-strong:#AFC6AA;
  --card:#FFFFFF;
  --text-900:#14202E;
  --text-600:#526074;
  --text-400:#7C8A9A;
  --white:#FFFFFF;

  /* --- type --- */
  --font-display:'Baloo Tamma 2','Noto Sans Kannada',sans-serif;
  --font-body:'Noto Sans Kannada',sans-serif;
  --font-mono:'Roboto Mono',monospace;

  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --shadow-card:0 2px 14px rgba(16,25,46,0.07);
  --shadow-pop:0 12px 32px rgba(16,25,46,0.16);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  background:var(--paper);
  color:var(--text-900);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-family:var(--font-display);color:var(--ink-800);margin:0 0 .5em;line-height:1.25;}
p{margin:0 0 1em;}
button{font-family:inherit;cursor:pointer;}

:focus-visible{outline:3px solid var(--gold-500);outline-offset:2px;}

.container{max-width:1180px;margin:0 auto;padding:0 20px;}

/* ---------------- Ledger rule pattern (signature texture) ---------------- */
.ruled{
  background-image:repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 38px,
    var(--paper-line) 39px,
    var(--paper-line) 40px
  );
}
.ruled-strong{
  background-image:repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 44px,
    var(--paper-line-strong) 45px,
    var(--paper-line-strong) 46px
  );
}

/* ---------------- Top utility bar ---------------- */
.topbar{
  background:var(--ink-900);
  color:#CBD6E8;
  font-size:.82rem;
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:7px;padding-bottom:7px;
  flex-wrap:wrap;gap:6px;
}
.topbar a{opacity:.9;}
.topbar a:hover{color:var(--gold-500);}
.topbar-links{display:flex;gap:16px;}

/* ---------------- Header / nav ---------------- */
header.site-header{
  background:var(--white);
  border-bottom:1px solid #E1E6DE;
  position:sticky;top:0;z-index:50;
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);}
.brand-mark{
  width:42px;height:42px;border-radius:10px;
  background:linear-gradient(155deg,var(--ink-800),var(--ink-900));
  color:var(--gold-500);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:1.1rem;flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:1.15rem;color:var(--ink-800);}
.brand-text span{font-size:.72rem;color:var(--text-600);font-family:var(--font-body);font-weight:600;}

nav.main-nav{display:flex;gap:26px;flex:1;justify-content:center;flex-wrap:wrap;}
nav.main-nav a{font-weight:600;font-size:.95rem;color:var(--ink-700);padding:6px 2px;border-bottom:2px solid transparent;}
nav.main-nav a:hover, nav.main-nav a.active{color:var(--gold-700);border-color:var(--gold-500);}

.nav-actions{display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:var(--paper);border:1px solid var(--paper-line-strong);
  border-radius:999px;padding:8px 16px;min-width:210px;
}
.search-box input{border:none;background:transparent;font-family:var(--font-body);font-size:.88rem;color:var(--text-900);width:100%;}
.search-box input:focus{outline:none;}
.search-box svg{flex-shrink:0;color:var(--text-400);}

.nav-toggle{display:none;background:none;border:none;color:var(--ink-800);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-weight:700;font-size:.92rem;
  border:2px solid transparent;transition:transform .15s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-gold{background:var(--gold-500);color:var(--ink-900);}
.btn-gold:hover{background:var(--gold-600);}
.btn-outline{border-color:var(--ink-800);color:var(--ink-800);}
.btn-outline:hover{background:var(--ink-800);color:var(--white);}
.btn-ghost-light{border-color:rgba(255,255,255,.5);color:var(--white);}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);}
.btn-sm{padding:7px 16px;font-size:.8rem;}

/* ---------------- Hero (passbook signature) ---------------- */
.hero{
  background:linear-gradient(180deg,var(--ink-900) 0%,var(--ink-800) 65%,var(--ink-800) 100%);
  color:var(--white);
  padding:56px 0 0;
  overflow:hidden;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  padding-bottom:50px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(232,163,61,.15);color:var(--gold-500);
  font-weight:700;font-size:.78rem;padding:6px 14px;border-radius:999px;margin-bottom:18px;
  border:1px solid rgba(232,163,61,.35);
}
.hero h1{color:var(--white);font-size:2.5rem;max-width:620px;}
.hero p.lead{color:#C3CEE3;font-size:1.08rem;max-width:540px;}
.hero-cta{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:30px;margin-top:36px;flex-wrap:wrap;}
.hero-stats div strong{display:block;font-family:var(--font-mono);font-size:1.4rem;color:var(--gold-500);}
.hero-stats div span{font-size:.8rem;color:#AEB9CF;}

/* Passbook widget */
.passbook{
  background:var(--paper);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-pop);
  overflow:hidden;
  color:var(--text-900);
}
.passbook-head{
  background:var(--ink-900);color:var(--white);
  padding:16px 22px;display:flex;justify-content:space-between;align-items:center;
  font-family:var(--font-mono);font-size:.82rem;
}
.passbook-head .dot{width:8px;height:8px;border-radius:50%;background:var(--gold-500);display:inline-block;margin-left:6px;}
.passbook-body{padding:22px 26px 26px;}
.passbook-body h3{font-size:1.05rem;margin-bottom:14px;}
.field-row{
  display:flex;justify-content:space-between;align-items:center;
  padding:9px 0;border-bottom:1px dashed var(--paper-line-strong);
}
.field-row label{font-size:.85rem;color:var(--text-600);font-weight:600;}
.field-row input[type=range]{width:100%;accent-color:var(--gold-600);}
.field-row .val{font-family:var(--font-mono);font-weight:700;color:var(--ink-800);white-space:nowrap;margin-inline-start:12px;}
.passbook-result{
  margin-top:16px;background:var(--ink-800);color:var(--white);
  border-radius:var(--radius-md);padding:16px 20px;
  display:flex;justify-content:space-between;align-items:center;
}
.passbook-result .amt{font-family:var(--font-mono);font-size:1.5rem;color:var(--gold-500);font-weight:700;}
.passbook-result span{font-size:.8rem;color:#C3CEE3;}

/* ---------------- Section basics ---------------- */
section{padding:64px 0;}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:32px;gap:20px;flex-wrap:wrap;}
.section-head .eyebrow{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.04em;color:var(--gold-700);font-weight:700;text-transform:uppercase;}
.section-head h2{font-size:1.85rem;margin:.2em 0 0;}
.section-head p{color:var(--text-600);max-width:520px;margin-top:6px;}
.link-more{font-weight:700;color:var(--ink-800);border-bottom:2px solid var(--gold-500);white-space:nowrap;padding-bottom:2px;}

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

.category-card{
  background:var(--card);border-radius:var(--radius-md);padding:22px;
  box-shadow:var(--shadow-card);border-top:4px solid var(--gold-500);
  transition:transform .15s ease, box-shadow .15s ease;
}
.category-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-pop);}
.category-card .icon{
  width:46px;height:46px;border-radius:12px;background:var(--paper);
  display:flex;align-items:center;justify-content:center;color:var(--ink-800);margin-bottom:14px;
}
.category-card h3{font-size:1.05rem;margin-bottom:6px;}
.category-card p{font-size:.87rem;color:var(--text-600);margin-bottom:0;}

.calc-card{
  background:var(--card);border-radius:var(--radius-md);padding:20px;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:10px;
  border:1px solid #EAEFE7;
}
.calc-card .tag{
  align-self:flex-start;background:var(--success-100);color:var(--success-600);
  font-size:.72rem;font-weight:700;padding:4px 10px;border-radius:999px;font-family:var(--font-mono);
}
.calc-card h3{font-size:1.05rem;}
.calc-card p{font-size:.86rem;color:var(--text-600);flex:1;}
.calc-card a.use-btn{font-weight:700;color:var(--ink-800);display:inline-flex;align-items:center;gap:6px;}
.calc-card a.use-btn:hover{color:var(--gold-700);}

.article-card{
  background:var(--card);border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
}
.article-thumb{
  height:150px;background:linear-gradient(135deg,var(--ink-800),var(--ink-700));
  display:flex;align-items:center;justify-content:center;color:var(--gold-500);
  font-family:var(--font-mono);font-size:.78rem;letter-spacing:.03em;
}
.article-body{padding:18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.article-cat{font-size:.72rem;color:var(--gold-700);font-weight:700;font-family:var(--font-mono);text-transform:uppercase;}
.article-body h3{font-size:1.03rem;}
.article-meta{font-size:.78rem;color:var(--text-400);margin-top:auto;display:flex;gap:10px;}

.testimonial{
  background:var(--card);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-card);
}
.testimonial p{font-style:normal;color:var(--text-900);}
.testimonial .who{display:flex;align-items:center;gap:10px;margin-top:14px;}
.testimonial .avatar{width:40px;height:40px;border-radius:50%;background:var(--ink-800);color:var(--gold-500);display:flex;align-items:center;justify-content:center;font-weight:700;font-family:var(--font-display);}
.testimonial .who strong{display:block;font-size:.9rem;}
.testimonial .who span{font-size:.78rem;color:var(--text-600);}

.faq-item{border-bottom:1px solid var(--paper-line-strong);padding:16px 0;}
.faq-q{display:flex;justify-content:space-between;align-items:center;font-weight:700;color:var(--ink-800);cursor:pointer;gap:16px;}
.faq-q .plus{font-size:1.3rem;color:var(--gold-600);transition:transform .2s ease;flex-shrink:0;}
.faq-item.open .plus{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;color:var(--text-600);font-size:.92rem;}
.faq-item.open .faq-a{max-height:400px;padding-top:10px;}

.newsletter{
  background:var(--ink-900);border-radius:var(--radius-lg);
  padding:40px;display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;color:var(--white);
}
.newsletter h3{color:var(--white);margin-bottom:6px;}
.newsletter p{color:#AEB9CF;margin:0;}
.newsletter form{display:flex;gap:10px;flex-wrap:wrap;}
.newsletter input{
  padding:12px 16px;border-radius:999px;border:none;min-width:230px;font-family:var(--font-body);
}

.author-card{display:flex;gap:16px;background:var(--card);border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-card);align-items:flex-start;}
.author-card .avatar-lg{width:64px;height:64px;border-radius:50%;background:var(--ink-800);color:var(--gold-500);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;font-size:1.4rem;flex-shrink:0;}

.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}
.badge{background:var(--paper);border:1px solid var(--paper-line-strong);color:var(--ink-700);font-size:.78rem;font-weight:600;padding:6px 12px;border-radius:999px;}

/* ---------------- Footer ---------------- */
footer.site-footer{background:var(--ink-900);color:#C3CEE3;padding-top:50px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:28px;padding-bottom:40px;}
.footer-grid h4{color:var(--white);font-size:.95rem;margin-bottom:14px;}
.footer-grid li{margin-bottom:9px;font-size:.87rem;}
.footer-grid a:hover{color:var(--gold-500);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:18px 0;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:.8rem;color:#8C99B5;
}

/* ---------------- Calculator page layout ---------------- */
.calc-page-hero{background:var(--ink-800);color:var(--white);padding:34px 0;}
.breadcrumb{font-size:.82rem;color:#B9C4DC;}
.breadcrumb a:hover{color:var(--gold-500);}
.calc-page-hero h1{color:var(--white);font-size:1.9rem;margin:.3em 0 .2em;}
.calc-page-hero p{color:#C3CEE3;max-width:640px;}

.calc-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:flex-start;padding:44px 0;}
.calc-tool{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:28px;}
.calc-tool h2{font-size:1.2rem;}
.input-group{margin-bottom:20px;}
.input-group label{display:flex;justify-content:space-between;font-weight:700;font-size:.9rem;color:var(--ink-700);margin-bottom:8px;}
.input-group .num{font-family:var(--font-mono);color:var(--gold-700);}
.input-group input[type=range]{width:100%;accent-color:var(--gold-600);}
.input-group input[type=number]{
  width:100%;padding:10px 14px;border-radius:var(--radius-sm);border:1.5px solid var(--paper-line-strong);
  font-family:var(--font-mono);font-size:1rem;background:var(--paper);color:var(--ink-800);font-weight:700;
}
.result-panel{
  background:var(--ink-900);color:var(--white);border-radius:var(--radius-md);padding:22px;margin-top:6px;
}
.result-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px dashed rgba(255,255,255,.15);font-size:.92rem;}
.result-row:last-child{border-bottom:none;}
.result-row.total .amt{color:var(--gold-500);font-size:1.35rem;}
.result-row .amt{font-family:var(--font-mono);font-weight:700;}
.share-row{display:flex;gap:10px;margin-top:16px;}

.side-widget{background:var(--card);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:20px;margin-bottom:20px;}
.side-widget h4{font-size:.95rem;color:var(--ink-800);margin-bottom:12px;}
.side-widget ul li{margin-bottom:10px;}
.side-widget ul a{font-size:.88rem;font-weight:600;color:var(--ink-700);display:flex;justify-content:space-between;}
.side-widget ul a:hover{color:var(--gold-700);}

.content-block{max-width:820px;margin:0 auto;padding:20px 0 0;}
.toc{background:var(--card);border:1px solid var(--paper-line-strong);border-radius:var(--radius-md);padding:20px 24px;margin:20px 0 32px;}
.toc h4{font-size:.95rem;margin-bottom:10px;}
.toc ol{padding-inline-start:20px;margin:0;}
.toc li{margin-bottom:6px;font-size:.9rem;}
.toc a{color:var(--ink-700);font-weight:600;}
.toc a:hover{color:var(--gold-700);}

.article-content h2{font-size:1.35rem;margin-top:2em;}
.article-content h3{font-size:1.1rem;margin-top:1.4em;}
.article-content table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.92rem;}
.article-content table th,.article-content table td{border:1px solid var(--paper-line-strong);padding:10px 12px;text-align:start;}
.article-content table th{background:var(--paper);color:var(--ink-800);}
.article-content ul,.article-content ol{padding-inline-start:22px;}
.article-content ul li,.article-content ol li{margin-bottom:8px;}
.callout{background:var(--success-100);border-inline-start:4px solid var(--success-600);padding:16px 20px;border-radius:var(--radius-sm);margin:1.5em 0;font-size:.92rem;}
.callout.warn{background:var(--alert-100);border-color:var(--alert-600);}

.byline{display:flex;align-items:center;gap:12px;margin:18px 0 28px;font-size:.86rem;color:var(--text-600);}
.byline .avatar-sm{width:36px;height:36px;border-radius:50%;background:var(--ink-800);color:var(--gold-500);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-weight:700;}
.byline strong{color:var(--ink-800);}

.tags-block{display:flex;gap:8px;flex-wrap:wrap;margin:30px 0;}
.tags-block a{background:var(--paper);border:1px solid var(--paper-line-strong);padding:6px 14px;border-radius:999px;font-size:.8rem;font-weight:600;color:var(--ink-700);}

.sources-block{font-size:.85rem;color:var(--text-600);border-top:1px solid var(--paper-line-strong);padding-top:16px;margin-top:30px;}

.blog-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px;}
.blog-filters a{padding:8px 16px;border-radius:999px;background:var(--card);border:1px solid var(--paper-line-strong);font-size:.85rem;font-weight:600;color:var(--ink-700);}
.blog-filters a.active,.blog-filters a:hover{background:var(--ink-800);color:var(--white);border-color:var(--ink-800);}

.legal h2{margin-top:1.6em;font-size:1.2rem;}

/* CTA banner */
.cta-banner{
  background:linear-gradient(120deg,var(--gold-500),var(--gold-600));
  border-radius:var(--radius-lg);padding:40px;display:flex;justify-content:space-between;
  align-items:center;gap:20px;flex-wrap:wrap;color:var(--ink-900);
}
.cta-banner h3{color:var(--ink-900);}

@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .hero-grid{grid-template-columns:1fr;}
  .calc-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  nav.main-nav{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:560px){
  .grid-4,.grid-3,.grid-2{grid-template-columns:1fr;}
  .hero h1{font-size:1.9rem;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}