/* ============================================================
   Raghu Rama Sharma & Associates — Chartered Accountants
   Design tokens
   ============================================================ */
:root{
  --navy:#0B1F3A;
  --blue:#13315C;
  --steel:#3A5A85;
  --steel-soft:#7C92AC;
  --mist:#EEF3F8;
  --paper:#FFFFFF;
  --ink:#1B2430;
  --ink-soft:#5B6573;
  --line:#D8E0EA;
  --amber:#B8862E;
  --amber-soft:#E7CFA0;

  --display: "Source Serif 4", Georgia, serif;
  --body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  --maxw: 1140px;
  --radius: 2px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--body);
  color:var(--ink);
  background:var(--paper);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;}
li{list-style:none;}
h1,h2,h3,h4{font-family:var(--display);margin:0;font-weight:600;color:var(--navy);}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}

/* ---------- Ledger-rule signature motif ---------- */
/* A thin rule + a thick rule beneath it, like the double underline
   drawn under a balance-sheet total. Used under headings & as section dividers. */
.ledger-rule{
  display:block;
  width:64px;
  margin:18px 0 0;
}
.ledger-rule .thin{
  height:1px;background:var(--steel-soft);margin-bottom:3px;
}
.ledger-rule .thick{
  height:3px;background:var(--amber);
}
.ledger-rule.center{margin-left:auto;margin-right:auto;}

.section-divider{
  border:none;
  border-top:1px solid var(--line);
  border-bottom:3px solid var(--mist);
  margin:0;
}

/* ---------- Skip link / focus ---------- */
.skip-link{
  position:absolute;left:-999px;top:auto;
  background:var(--navy);color:#fff;padding:10px 16px;z-index:200;
}
.skip-link:focus{left:8px;top:8px;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--amber);
  outline-offset:2px;
}

/* ---------- Header / Nav ---------- */
header.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,0.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(180%) blur(6px);
}
.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;
}
.brand{
  display:flex;flex-direction:column;line-height:1.15;
}
.brand .mark{
  font-family:var(--display);font-size:19px;font-weight:700;color:var(--navy);
  letter-spacing:0.2px;
}
.brand .sub{
  font-family:var(--mono);font-size:10px;letter-spacing:1.5px;text-transform:uppercase;
  color:var(--amber);margin-top:2px;
}
nav.primary-nav ul{display:flex;gap:30px;align-items:center;}
nav.primary-nav a{
  font-size:14.5px;color:var(--blue);font-weight:500;
  padding:6px 2px;border-bottom:2px solid transparent;
  transition:border-color .15s ease, color .15s ease;
}
nav.primary-nav a:hover,
nav.primary-nav a.active{
  border-bottom-color:var(--amber);
  color:var(--navy);
}
.btn{
  display:inline-block;
  padding:11px 22px;
  font-size:14px;font-weight:600;
  border:1px solid var(--navy);
  border-radius:var(--radius);
  transition:background .15s ease, color .15s ease, transform .1s ease;
}
.btn.btn-primary{background:var(--navy);color:#fff;}
.btn.btn-primary:hover{background:var(--blue);transform:translateY(-1px);}
.btn.btn-ghost{background:transparent;color:var(--navy);}
.btn.btn-ghost:hover{background:var(--mist);}
/* Outline treatment only — no solid sales-button fill, kept deliberately quiet */
.btn.btn-amber{background:transparent;border-color:var(--amber);color:var(--amber);}
.btn.btn-amber:hover{background:rgba(184,134,46,0.08);}

/* ---------- Contact strip: a hairline-bordered, text-led alternative
   to a solid colour CTA block. This is the only call-to-action pattern
   used across the site. ---------- */
.contact-strip{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:38px 0;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.contact-strip h3{font-size:20px;color:var(--navy);}
.contact-strip p{color:var(--ink-soft);font-size:14.5px;margin-top:6px;max-width:480px;}
.contact-strip a.text-link{
  font-weight:600;color:var(--blue);font-size:14.5px;
  border-bottom:1px solid var(--steel-soft);white-space:nowrap;
}
.contact-strip a.text-link:hover{color:var(--navy);border-color:var(--navy);}
.bg-navy .contact-strip{border-color:rgba(255,255,255,0.18);}
.bg-navy .contact-strip h3{color:#fff;}
.bg-navy .contact-strip p{color:#B9C7DC;}
.bg-navy .contact-strip a.text-link{color:var(--amber-soft);border-color:rgba(231,207,160,0.5);}
.bg-navy .contact-strip a.text-link:hover{color:#fff;border-color:#fff;}

.nav-cta{display:flex;align-items:center;gap:18px;}
.menu-toggle{
  display:none;
  background:none;border:1px solid var(--line);border-radius:var(--radius);
  padding:8px 10px;cursor:pointer;
}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--navy);margin:4px 0;}

/* ---------- Hero ---------- */
.hero{
  background:linear-gradient(180deg,var(--mist) 0%, #fff 72%);
  padding:84px 0 64px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    repeating-linear-gradient(180deg, transparent 0 39px, var(--line) 39px 40px);
  opacity:0.35;
  mask-image:linear-gradient(180deg, transparent, rgba(0,0,0,.5) 40%, transparent 85%);
}
.hero-inner{position:relative;z-index:1;max-width:760px;}
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:2px;text-transform:uppercase;
  color:var(--amber);font-weight:600;
}
.hero h1{
  font-size:clamp(34px,5vw,54px);
  line-height:1.08;
  margin-top:14px;
}
.hero .quote{
  font-family:var(--display);
  font-style:italic;
  font-size:20px;
  color:var(--blue);
  margin-top:26px;
  max-width:520px;
}
.hero .lede{
  font-size:16.5px;color:var(--ink-soft);margin-top:16px;max-width:540px;
}
.hero-actions{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}

.stat-row{
  margin-top:56px;
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);
  position:relative;z-index:1;
}
.stat{
  padding:20px 18px 0;border-left:1px solid var(--line);
}
.stat:first-child{border-left:none;padding-left:0;}
.stat .num{font-family:var(--mono);font-size:24px;color:var(--navy);font-weight:600;}
.stat .label{font-size:12.5px;color:var(--ink-soft);margin-top:4px;}

/* ---------- Sections generic ---------- */
section{padding:74px 0;}
.section-head{max-width:620px;margin-bottom:42px;}
.section-head .eyebrow{display:block;margin-bottom:10px;}
.section-head h2{font-size:clamp(26px,3.4vw,36px);}
.section-head p{color:var(--ink-soft);margin-top:14px;font-size:15.5px;}

.bg-mist{background:var(--mist);}
.bg-navy{background:var(--navy);color:#fff;}
.bg-navy h2,.bg-navy h3,.bg-navy h4{color:#fff;}
.bg-navy .ink-soft{color:#B9C7DC;}

/* ---------- Service cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;
  transition:border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.card:hover{border-color:var(--amber-soft);transform:translateY(-3px);box-shadow:0 10px 24px rgba(11,31,58,0.08);}
.card .tag{
  font-family:var(--mono);font-size:11px;color:var(--amber);letter-spacing:1px;text-transform:uppercase;
}
.card h3{font-size:19px;margin-top:10px;}
.card p{color:var(--ink-soft);font-size:14.5px;margin-top:10px;}
.card a.more{
  display:inline-block;margin-top:16px;font-size:13.5px;font-weight:600;color:var(--blue);
  border-bottom:1px solid var(--steel-soft);
}

/* ---------- Service detail blocks (services.html) ---------- */
.service-block{
  display:grid;grid-template-columns:240px 1fr;gap:40px;
  padding:38px 0;border-top:1px solid var(--line);
}
.service-block:first-of-type{border-top:none;}
.service-block .si{
  font-family:var(--mono);color:var(--amber);font-size:13px;letter-spacing:1px;
}
.service-block h3{font-size:23px;margin-top:8px;}
.service-block ul{margin-top:16px;display:grid;gap:9px;}
.service-block li{
  font-size:14.5px;color:var(--ink-soft);
  padding-left:18px;position:relative;
}
.service-block li::before{
  content:"";position:absolute;left:0;top:8px;width:7px;height:1px;background:var(--amber);
}

/* ---------- Why us / numbered (real sequence rationale: founding steps) ---------- */
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;}
.feature{padding-top:22px;border-top:3px solid var(--amber);}
.feature h4{font-size:18px;}
.feature p{font-size:14.5px;color:var(--ink-soft);margin-top:10px;}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:var(--navy);color:#fff;border-radius:var(--radius);
  padding:48px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-banner h3{color:#fff;font-size:24px;max-width:480px;}
.cta-banner p{color:#B9C7DC;margin-top:8px;font-size:14.5px;}

/* ---------- About page ---------- */
.bio-grid{display:grid;grid-template-columns:280px 1fr;gap:48px;}
.bio-card{
  background:var(--mist);border-radius:var(--radius);padding:28px;align-self:start;
}
.bio-card .initials{
  width:64px;height:64px;border-radius:50%;background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:center;font-family:var(--display);font-size:22px;
}
.bio-card dl{margin-top:22px;display:grid;gap:14px;}
.bio-card dt{font-family:var(--mono);font-size:10.5px;letter-spacing:1px;text-transform:uppercase;color:var(--amber);}
.bio-card dd{margin:3px 0 0;font-size:14px;color:var(--ink);}
.about-copy p{margin-top:16px;color:var(--ink-soft);font-size:15.5px;}
.about-copy h3{margin-top:36px;font-size:21px;}

.pull-quote{
  font-family:var(--display);font-style:italic;font-size:24px;color:var(--navy);
  border-left:3px solid var(--amber);padding-left:22px;margin:34px 0;max-width:560px;
}

/* ---------- Blog ---------- */
.post-card{
  border-top:1px solid var(--line);padding:30px 0;
  display:grid;grid-template-columns:140px 1fr;gap:30px;
}
.post-card:first-of-type{border-top:none;}
.post-card .date{font-family:var(--mono);font-size:12.5px;color:var(--ink-soft);padding-top:4px;}
.post-card h3{font-size:21px;}
.post-card p{color:var(--ink-soft);margin-top:8px;font-size:14.5px;}
.post-card a.read{font-weight:600;color:var(--blue);font-size:14px;margin-top:12px;display:inline-block;border-bottom:1px solid var(--steel-soft);}

.post-header{max-width:680px;}
.post-header .date{font-family:var(--mono);font-size:13px;color:var(--ink-soft);}
.post-header h1{margin-top:14px;font-size:clamp(28px,4vw,40px);}
.post-body{max-width:680px;margin-top:36px;}
.post-body p{color:var(--ink);font-size:16px;margin-bottom:18px;}
.post-body h2{font-size:21px;margin-top:32px;margin-bottom:12px;}
.post-body .callout{
  background:var(--mist);border-left:3px solid var(--amber);padding:18px 22px;font-size:14.5px;color:var(--ink-soft);margin:24px 0;
}
.back-link{display:inline-block;margin-bottom:30px;font-size:13.5px;color:var(--steel);font-family:var(--mono);}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;}
.contact-item{padding:22px 0;border-top:1px solid var(--line);}
.contact-item:first-child{border-top:none;}
.contact-item .label{font-family:var(--mono);font-size:11px;letter-spacing:1px;text-transform:uppercase;color:var(--amber);}
.contact-item .value{font-size:18px;margin-top:6px;color:var(--navy);font-weight:600;}
.contact-item .value a{border-bottom:1px solid var(--steel-soft);}
.map-frame{
  border:1px solid var(--line);background:var(--mist);min-height:320px;
  display:flex;align-items:center;justify-content:center;text-align:center;padding:30px;
}
.map-frame .pin{font-family:var(--mono);font-size:13px;color:var(--ink-soft);}

/* ---------- Footer ---------- */
footer.site-footer{background:var(--navy);color:#B9C7DC;padding:54px 0 28px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;}
footer .brand-f{font-family:var(--display);color:#fff;font-size:19px;}
footer .tagline-f{font-family:var(--display);font-style:italic;color:var(--amber-soft);margin-top:10px;font-size:14.5px;}
footer h5{font-family:var(--mono);font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:#fff;margin-bottom:14px;}
footer ul{display:grid;gap:10px;}
footer a{font-size:14px;color:#B9C7DC;}
footer a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.12);margin-top:40px;padding-top:20px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:12.5px;color:#8AA0BC;
}

/* ---------- Mobile ---------- */
@media (max-width:880px){
  .grid-3,.grid-2{grid-template-columns:1fr;}
  .stat-row{grid-template-columns:repeat(2,1fr);row-gap:18px;}
  .stat:nth-child(3){border-left:none;padding-left:0;}
  .service-block{grid-template-columns:1fr;gap:14px;}
  .bio-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .post-card{grid-template-columns:1fr;gap:8px;}
  nav.primary-nav{
    position:absolute;top:100%;left:0;right:0;background:#fff;
    border-bottom:1px solid var(--line);
    flex-direction:column;padding:18px 28px;display:none;
  }
  nav.primary-nav.open{display:block;}
  nav.primary-nav ul{flex-direction:column;align-items:flex-start;gap:16px;}
  .menu-toggle{display:block;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none !important;}
}