/* S.K. Jha & Co. — site styles
   Layout: navy masthead + white ledger pages; rules and double-rules borrowed from accounting statements. */
:root{
  --ink:#0f2340;          /* navy: masthead, headings */
  --ink-2:#18325a;        /* navy, raised */
  --paper:#ffffff;
  --mist:#f1f4f8;         /* cool neutral panels */
  --line:#d8dee7;         /* hairlines */
  --text:#1b2535;
  --muted:#586579;
  --accent:#c4622d;       /* copper, carried over from the earlier brand */
  --accent-ink:#9c4818;   /* copper for text on white */
  --on-ink:#e9eef6;
  --on-ink-muted:#aebbd0;
  --f-display:"Source Serif 4", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --f-body:"IBM Plex Sans", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --f-mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --wrap:1180px;
  --gutter:clamp(16px, 4vw, 40px);
  --radius:4px;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--text);font:400 1rem/1.65 var(--f-body);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent-ink);text-underline-offset:3px}
a:hover{color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
h1,h2,h3,h4{font-family:var(--f-display);color:var(--ink);line-height:1.18;margin:0;text-wrap:balance;font-weight:600;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem)}
h2{font-size:clamp(1.65rem,3vw,2.35rem)}
h3{font-size:1.28rem}
h4{font-size:1.05rem}
p{margin:0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.eyebrow{font:500 .74rem/1.4 var(--f-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent-ink)}
.lede{font-size:1.14rem;color:var(--muted);max-width:62ch}
.prose{display:grid;gap:1.05em;max-width:66ch}
.section{padding-block:clamp(56px,8vw,104px)}
.section--mist{background:var(--mist)}
.section-head{display:grid;gap:14px;margin-bottom:clamp(28px,4vw,48px);max-width:760px}
.dbl{display:inline-block;border-bottom:3px double var(--accent);padding-bottom:2px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 14px;z-index:100}
.skip:focus{left:8px;top:8px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font:600 .95rem/1 var(--f-body);padding:.95em 1.4em;border-radius:var(--radius);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background .15s,color .15s,border-color .15s}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:var(--accent-ink);color:#fff}
.btn--ghost{border-color:rgba(255,255,255,.4);color:#fff}
.btn--ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.06)}
.btn--line{border-color:var(--ink);color:var(--ink)}
.btn--line:hover{background:var(--ink);color:#fff}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* Header */
.site-header{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:var(--ink);color:var(--on-ink);border-bottom:1px solid rgba(255,255,255,.08)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:#fff;line-height:1}
.brand__ca{height:46px;width:auto;flex:none;background:#fff;padding:5px 7px;border-radius:3px}
.brand__text{display:flex;flex-direction:column;padding-left:14px;border-left:1px solid rgba(255,255,255,.28)}
.brand img:not(.brand__ca){height:44px;width:auto}
.brand__name{font:600 1.42rem/1 var(--f-display);letter-spacing:.01em;color:#fff}
.brand__sub{font:500 .6rem/1 var(--f-mono);letter-spacing:.32em;text-transform:uppercase;color:var(--on-ink-muted);margin-top:8px}
@media (max-width:400px){.brand__ca{height:40px;padding:4px 6px}.brand__name{font-size:1.2rem}.brand__sub{letter-spacing:.2em}}
.menu{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.menu a,.menu button.menu__toggle{display:block;color:var(--on-ink);text-decoration:none;font:500 .93rem/1 var(--f-body);padding:12px 12px;border-radius:var(--radius);background:none;border:0;cursor:pointer}
.menu a:hover,.menu button.menu__toggle:hover,.menu a[aria-current="page"]{color:#fff;background:rgba(255,255,255,.07)}
.menu a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--accent)}
.menu .btn{margin-left:10px;padding:.8em 1.2em}
.menu a.btn--accent{background:var(--accent);color:#fff}
.menu a.btn--accent:hover{background:var(--accent-ink);color:#fff}
.has-drop{position:relative}
.menu__toggle::after{content:"";display:inline-block;margin-left:7px;width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-3px) rotate(45deg)}
.drop{position:absolute;top:100%;left:-8px;min-width:330px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 18px 40px rgba(15,35,64,.18);padding:8px;list-style:none;margin:6px 0 0;display:none}
.drop a{color:var(--text);padding:10px 12px;font-size:.9rem;line-height:1.3}
.drop a:hover{background:var(--mist);color:var(--ink)}
.has-drop:hover .drop,.has-drop:focus-within .drop,.has-drop.open .drop{display:block}
.nav-toggle{display:none;background:none;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:var(--radius);padding:10px 12px;font:500 .85rem/1 var(--f-body);cursor:pointer}
@media (max-width:960px){
  .nav-toggle{display:block}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;background:var(--ink);flex-direction:column;align-items:stretch;padding:8px var(--gutter) 20px;border-top:1px solid rgba(255,255,255,.1);max-height:calc(100vh - 74px);overflow:auto}
  .site-header.is-open .menu{display:flex}
  .menu a,.menu button.menu__toggle{padding:14px 4px;width:100%;text-align:left}
  .drop{position:static;display:none;box-shadow:none;border:0;background:transparent;min-width:0;padding:0 0 8px 12px;margin:0}
  .has-drop:hover .drop{display:none}
  .has-drop.open .drop,.has-drop:focus-within .drop{display:block}
  .drop a{color:var(--on-ink-muted)}
  .drop a:hover{background:transparent;color:#fff}
  .menu .btn{margin:10px 0 0;justify-content:center}
}

/* Hero */
.hero{background:var(--ink);color:var(--on-ink);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  repeating-linear-gradient(0deg,transparent 0 31px,rgba(255,255,255,.035) 31px 32px),
  radial-gradient(1100px 500px at 85% -10%,rgba(196,98,45,.22),transparent 60%);pointer-events:none}
.hero__grid{position:relative;display:grid;grid-template-columns:1.35fr .9fr;gap:clamp(32px,6vw,80px);align-items:end;padding-block:clamp(64px,9vw,120px) clamp(56px,7vw,96px)}
.hero h1{color:#fff;font-weight:500}
.hero h1 em{font-style:italic;color:#f0b48f;font-weight:400}
.hero .eyebrow{color:#f0b48f}
.hero__copy{display:grid;gap:24px;min-width:0}
.hero__copy .lede{color:var(--on-ink-muted)}
.ledger{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:22px 24px;font-family:var(--f-mono);font-size:.86rem;min-width:0}
.ledger__title{font:500 .7rem/1 var(--f-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--on-ink-muted);padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.18);margin-bottom:6px}
.ledger__row{display:flex;align-items:baseline;gap:10px;padding:9px 0;color:var(--on-ink)}
.ledger__row span:first-child{white-space:nowrap}
.ledger__row::after{content:none}
.ledger__dots{flex:1;border-bottom:1px dotted rgba(255,255,255,.3);transform:translateY(-4px);min-width:12px}
.ledger__row b{font-weight:500;color:#fff;font-variant-numeric:tabular-nums;white-space:nowrap}
.ledger__total{border-top:1px solid rgba(255,255,255,.3);margin-top:6px;padding-top:10px;border-bottom:3px double rgba(240,180,143,.8);padding-bottom:10px;color:#f0b48f}
@media (max-width:860px){.hero__grid{grid-template-columns:1fr;align-items:start}}

/* Page hero (inner pages) */
.page-hero{background:var(--ink);color:var(--on-ink);position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0 31px,rgba(255,255,255,.03) 31px 32px);pointer-events:none}
.page-hero .wrap{position:relative;display:grid;gap:18px;padding-block:clamp(48px,7vw,88px)}
.page-hero h1{color:#fff;font-weight:500;max-width:22ch}
.page-hero .lede{color:var(--on-ink-muted)}
.page-hero .eyebrow{color:#f0b48f}
.crumbs{font:500 .78rem/1.4 var(--f-mono);letter-spacing:.06em;color:var(--on-ink-muted);display:flex;flex-wrap:wrap;gap:8px}
.crumbs a{color:var(--on-ink-muted);text-decoration:none}
.crumbs a:hover{color:#fff}

/* Badges strip */
.badges{border-bottom:1px solid var(--line);background:var(--paper)}
.badges ul{display:flex;flex-wrap:wrap;gap:10px 34px;list-style:none;margin:0;padding:18px 0;font:500 .78rem/1.4 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.badges li{display:flex;align-items:center;gap:10px}
.badges li::before{content:"";width:7px;height:7px;background:var(--accent);transform:rotate(45deg)}

/* Split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,88px);align-items:start}
.split > *{min-width:0}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.pull{font:400 clamp(1.3rem,2.2vw,1.6rem)/1.45 var(--f-display);color:var(--ink);border-left:3px solid var(--accent);padding-left:22px}

/* Principles */
.principles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid var(--line)}
.principle{padding:28px 28px 30px 0;border-bottom:1px solid var(--line);display:grid;gap:10px;align-content:start}
.principle:nth-child(odd){border-right:1px solid var(--line)}
.principle:nth-child(even){padding-left:28px;padding-right:0}
.principle h3{font-size:1.2rem}
.principle p{color:var(--muted)}
@media (max-width:720px){.principles{grid-template-columns:1fr}.principle:nth-child(odd){border-right:0}.principle:nth-child(even){padding-left:0}.principle{padding-right:0}}

/* Services index */
.svc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.svc{display:grid;grid-template-rows:auto 1fr auto;gap:12px;padding:26px 26px 22px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-decoration:none;color:var(--text);background:var(--paper);transition:background .15s}
.svc:hover{background:var(--mist);color:var(--text)}
.svc__no{font:500 .75rem/1 var(--f-mono);color:var(--accent-ink);letter-spacing:.08em}
.svc h3{font-size:1.18rem;margin-top:4px}
.svc p{color:var(--muted);font-size:.95rem}
.svc__more{font:600 .85rem/1 var(--f-body);color:var(--accent-ink)}
.svc:hover .svc__more{text-decoration:underline;text-underline-offset:3px}
@media (max-width:960px){.svc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.svc-grid{grid-template-columns:1fr}}

/* Industries */
.ind-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.ind{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:grid;gap:10px;align-content:start}
.ind h3{font-size:1.08rem}
.ind p{color:var(--muted);font-size:.93rem}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:4px}
.tag{font:500 .7rem/1 var(--f-mono);letter-spacing:.04em;color:var(--ink-2);background:var(--mist);border:1px solid var(--line);padding:6px 8px;border-radius:2px}
@media (max-width:960px){.ind-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.ind-grid{grid-template-columns:1fr}}

/* People */
.people{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.person{display:grid;gap:14px;text-decoration:none;color:var(--text);align-content:start}
.person__mono{aspect-ratio:4/5;max-width:100%;background:var(--ink);display:grid;place-items:center;border-radius:var(--radius);position:relative;overflow:hidden}
.person__mono span{font:500 clamp(2.2rem,4vw,3rem)/1 var(--f-display);color:#fff;letter-spacing:.04em;border-bottom:3px double var(--accent);padding-bottom:6px}
.person__mono img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.person h3{font-size:1.14rem}
.person__role{font:500 .74rem/1.4 var(--f-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent-ink)}
.person__meta{color:var(--muted);font-size:.9rem}
.person:hover h3{text-decoration:underline;text-underline-offset:4px}
@media (max-width:960px){.people{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:480px){.people{grid-template-columns:1fr}}

/* Facts (definition rows) */
.facts{display:grid;border-top:1px solid var(--line);margin:0}
.facts > div{display:grid;grid-template-columns:minmax(120px,190px) 1fr;gap:18px;padding:14px 0;border-bottom:1px solid var(--line)}
.facts dt{font:500 .74rem/1.6 var(--f-mono);letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.facts dd{margin:0;min-width:0}
@media (max-width:560px){.facts > div{grid-template-columns:1fr;gap:4px}}

/* Service detail */
.svc-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(32px,6vw,80px);align-items:start}
@media (max-width:960px){.svc-layout{grid-template-columns:1fr}}
.aside{position:sticky;top:calc(96px + env(safe-area-inset-top,0px));display:grid;gap:18px;background:var(--mist);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.aside h3{font-size:1.1rem}
.aside p{color:var(--muted);font-size:.93rem}
.aside ul{list-style:none;margin:0;padding:0;display:grid;gap:6px;font-size:.93rem}
@media (max-width:960px){.aside{position:static}}
.scope{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:36px;border-top:1px solid var(--line)}
.scope li{padding:13px 0 13px 26px;border-bottom:1px solid var(--line);position:relative;min-width:0}
.scope li::before{content:"";position:absolute;left:2px;top:21px;width:12px;height:6px;border-bottom:3px double var(--accent)}
@media (max-width:720px){.scope{grid-template-columns:1fr}}
.rows{border-top:1px solid var(--line)}
.row{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:24px;padding:20px 0;border-bottom:1px solid var(--line)}
.row h3{font-size:1.08rem}
.row p{color:var(--muted)}
@media (max-width:720px){.row{grid-template-columns:1fr;gap:6px}}
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font:600 1.04rem/1.4 var(--f-body);color:var(--ink);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:16px;font:400 1.5rem/1 var(--f-mono);color:var(--accent-ink)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 22px;color:var(--muted);max-width:70ch}
.stack{display:grid;gap:clamp(48px,6vw,72px)}
.block{display:grid;gap:22px}

/* Other services list */
.svc-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 28px;border-top:1px solid var(--line)}
.svc-list a{display:block;padding:12px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:500}
.svc-list a:hover{color:var(--accent-ink)}
@media (max-width:860px){.svc-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.svc-list{grid-template-columns:1fr}}

/* Values */
.values{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}
.value{padding:24px 24px 26px 0;border-bottom:1px solid var(--line);display:grid;gap:8px}
.value p{color:var(--muted)}
@media (max-width:860px){.values{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.values{grid-template-columns:1fr}}

/* CTA band */
.cta{background:var(--ink);color:var(--on-ink)}
.cta .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:28px;padding-block:clamp(48px,6vw,72px)}
.cta h2{color:#fff;font-weight:500;max-width:22ch}
.cta p{color:var(--on-ink-muted);max-width:52ch;margin-top:10px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(32px,6vw,80px);align-items:start}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr}}
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;background:var(--mist);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(20px,3vw,32px)}
.field{display:grid;gap:6px;min-width:0}
.field--full{grid-column:1/-1}
.field label{font:600 .85rem/1.3 var(--f-body);color:var(--ink)}
.field input,.field select,.field textarea{width:100%;font:400 1rem/1.4 var(--f-body);color:var(--text);background:#fff;border:1px solid #c3cbd7;border-radius:var(--radius);padding:12px 13px}
.field textarea{min-height:140px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}
.form .note{grid-column:1/-1;font-size:.84rem;color:var(--muted)}
.form .hp{position:absolute;left:-5000px}
.form-status{grid-column:1/-1;font-size:.95rem;padding:12px 14px;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.form-status.ok{border-color:#3d7a52;color:#245638}
.form-status.err{border-color:#b04a3a;color:#8a2f22}
@media (max-width:560px){.form{grid-template-columns:1fr}}

/* Footer */
.site-footer{background:#0b1a31;color:var(--on-ink-muted);font-size:.93rem}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1.2fr 1.2fr;gap:36px;padding-block:64px 40px}
.foot h4{font:500 .72rem/1 var(--f-mono);letter-spacing:.16em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot a{color:var(--on-ink-muted);text-decoration:none}
.foot a:hover{color:#fff}
.foot .brand{margin-bottom:16px}
.foot p + p{margin-top:10px}
.foot-base{border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-block:22px;font-size:.84rem}
.foot-base button{background:none;border:0;color:var(--on-ink-muted);font:inherit;padding:0;cursor:pointer;text-decoration:underline;text-underline-offset:3px}
.foot-base button:hover{color:#fff}
@media (max-width:960px){.foot{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.foot{grid-template-columns:1fr}}

/* Disclaimer */
.gate{position:fixed;inset:0;z-index:200;background:rgba(8,18,34,.72);display:grid;place-items:center;padding:16px}
.gate__card{background:var(--paper);max-width:640px;width:100%;max-height:calc(100vh - 32px);overflow:auto;border-radius:var(--radius);border-top:4px solid var(--accent);padding:clamp(22px,4vw,36px);display:grid;gap:16px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
.gate__card h2{font-size:1.5rem}
.gate__card p{color:var(--muted);font-size:.95rem}
.gate__card ol{margin:0;padding-left:1.2em;display:grid;gap:8px;font-size:.93rem}
.gate__actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-top:6px}
.gate__actions small{color:var(--muted)}

/* 404 */
.center-block{min-height:50vh;display:grid;place-content:center;gap:18px;text-align:center;justify-items:center}