/* ============================================================
   Ankit Prajapati — institutional profile
   Concept: the register — file numbers, ledger entries, an
   approval stamp. The vocabulary of the work itself, not a
   generic "portfolio" skin.
   ============================================================ */

:root{
  --ink:#212B21;        /* bottle-ink — primary text */
  --paper:#EAE6DA;      /* register paper — page ground */
  --surface:#FFFFFF;    /* a clean sheet — cards, raised content */
  --muted:#5C6558;      /* faded ink — secondary text */
  --accent:#2E4A45;     /* ink-teal — links, interactive */
  --stamp:#A23C2C;      /* stamp ink — used only on marks of record */
  --verify:#2E6B4C;     /* approval-stamp green */

  --line:#D8D2C0;
  --line-strong:#BFB79E;
  --accent-soft:#E4EAE8;
  --stamp-soft:#F3E4DF;
  --verify-soft:#E3EDE6;
  --ink-80:#3C453A;

  --serif:"Newsreader", Georgia, "Times New Roman", serif;
  --sans:"Public Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --t-display:clamp(2.5rem, 1.55rem + 3.2vw, 4rem);
  --t-h1:clamp(1.85rem, 1.4rem + 1.7vw, 2.5rem);
  --t-h2:clamp(1.3rem, 1.1rem + .75vw, 1.6rem);
  --t-body:1.0625rem;

  --wrap:1120px;
  --read:66ch;
  --radius:6px;
  --shadow:0 1px 1px rgba(33,43,33,.04), 0 6px 20px rgba(33,43,33,.05);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:var(--t-body);line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--accent)}
a:hover{text-decoration-thickness:1.5px}
:focus-visible{outline:2px solid var(--stamp);outline-offset:3px;border-radius:2px}

h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.15;letter-spacing:-.01em;color:var(--ink);margin:0;text-wrap:balance}
h1{font-size:var(--t-h1)}
h2{font-size:var(--t-h2)}
h3{font-size:1.1rem;font-family:var(--sans);font-weight:600;letter-spacing:0}
p{margin:0 0 1rem}
strong{font-weight:600;color:var(--ink)}
.tab{font-variant-numeric:tabular-nums}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(20px,5vw,48px)}
.read{max-width:var(--read)}
.muted{color:var(--muted)}
.serif{font-family:var(--serif)}

/* a registry reference code — the recurring device */
.refcode{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.06em;
  color:var(--accent);text-transform:uppercase}
.refcode::before{content:"§ "}

/* an approval-stamp mark — rotated, inked, never decorative */
.stampmark{display:inline-block;font-family:var(--mono);font-size:.68rem;font-weight:600;
  letter-spacing:.05em;text-transform:uppercase;padding:4px 10px;border:1.5px solid currentColor;
  border-radius:3px;transform:rotate(-2deg);white-space:nowrap}
.stampmark.is-verify{color:var(--verify);background:var(--verify-soft)}
.stampmark.is-draft{color:var(--ink-80);background:var(--surface);border-style:dashed}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--line-strong)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.brand{font-family:var(--serif);font-size:1.12rem;font-weight:600;color:var(--ink);letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand span{color:var(--muted);font-family:var(--mono);font-size:.68rem;font-weight:500;display:block;
  letter-spacing:.05em;margin-top:1px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink-80);font-size:.88rem;font-weight:500;padding:8px 12px;border-radius:4px}
.nav-links a:hover{background:var(--surface);text-decoration:none;color:var(--ink)}
.nav-cta{background:var(--ink);color:var(--paper) !important;padding:8px 15px !important;border-radius:4px}
.nav-cta:hover{background:var(--stamp);color:#fff !important}
.nav-toggle{display:none;background:none;border:1px solid var(--line-strong);border-radius:4px;padding:8px 10px;cursor:pointer;color:var(--ink)}
@media (max-width:860px){
  .nav-links{position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:var(--surface);border-bottom:1px solid var(--line);padding:10px 16px 16px;gap:2px;box-shadow:var(--shadow);display:none}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px}
  .nav-toggle{display:inline-flex}
}

/* ---------- section rhythm ---------- */
section{padding:clamp(52px,8vw,100px) 0;border-top:1px solid var(--line)}
section:first-of-type{border-top:0}
.eyebrow{display:flex;align-items:baseline;gap:10px;font-family:var(--mono);font-size:.74rem;font-weight:500;
  letter-spacing:.06em;color:var(--muted);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"§";color:var(--stamp);font-family:var(--serif);font-weight:600;font-size:.95rem}
.sec-head{max-width:var(--read);margin-bottom:40px}
.sec-head p{color:var(--muted);margin-top:10px}

/* ---------- hero ---------- */
.hero{padding-top:clamp(44px,7vw,80px);padding-bottom:clamp(44px,7vw,80px);border-top:0}
.hero-role{color:var(--muted);font-weight:500;font-size:1.02rem;margin-bottom:16px}
.hero h1.display{font-family:var(--serif);font-size:var(--t-display);font-weight:500;line-height:1.05;letter-spacing:-.02em;margin:0 0 20px;max-width:22ch}
.hero .lede{font-size:clamp(1.08rem,1rem+.4vw,1.24rem);color:var(--ink-80);max-width:60ch;margin-bottom:14px}
.hero .sub{color:var(--muted);max-width:60ch;margin-bottom:28px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;gap:9px;font-weight:600;font-size:.92rem;
  padding:11px 18px;border-radius:4px;border:1px solid transparent;cursor:pointer;transition:.15s}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--stamp);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--ink);background:var(--surface)}
.btn svg{width:16px;height:16px}

/* ---------- ledger (stat register) ---------- */
.ledger{border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--surface);
  margin-top:40px;overflow:hidden}
.ledger-row{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:14px 20px;
  border-top:1px solid var(--line);align-items:baseline}
.ledger-row:first-child{border-top:0}
.ledger-row:nth-child(even){background:color-mix(in srgb, var(--paper) 35%, transparent)}
.ledger-row .n{font-family:var(--serif);font-size:1.2rem;color:var(--ink);font-variant-numeric:tabular-nums}
.ledger-row .l{color:var(--muted);font-size:.9rem;line-height:1.45}
@media (max-width:640px){.ledger-row{grid-template-columns:1fr;gap:4px}}

/* ---------- positioning notice ---------- */
.band{background:var(--ink);color:#E7E9E3;border-radius:var(--radius);padding:clamp(28px,5vw,48px)}
.band h2{color:#fff;max-width:22ch}
.band .lede{color:#C6CDC2;max-width:60ch;font-size:1.12rem}
.band .eyebrow{color:#9FB3A0}
.band .eyebrow::before{color:#D98A72}
.band a{color:#D98A72}

/* ---------- capabilities ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-strong);border:1px solid var(--line-strong)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:820px){.grid-2,.card-grid{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr}}
.card{background:var(--surface);padding:26px 26px 24px}
.card .refcode{display:block;margin-bottom:10px}
.card h3{margin:0 0 10px}
.card p{color:var(--muted);margin:0 0 14px;font-size:.96rem}
.card .ev{font-size:.85rem;font-weight:600;color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.card .ev::after{content:" \2192"}

/* ---------- career timeline ---------- */
.timeline{border-left:2px solid var(--line-strong);margin-left:6px;padding-left:0}
.tl-item{position:relative;padding:0 0 32px 28px}
.tl-item::before{content:"";position:absolute;left:-6px;top:6px;width:10px;height:10px;
  background:var(--surface);border:2px solid var(--stamp)}
.tl-item.now::before{background:var(--stamp)}
.tl-item:last-child{padding-bottom:0}
.tl-period{font-family:var(--mono);font-size:.78rem;font-weight:500;color:var(--accent);letter-spacing:.03em}
.tl-item h3{margin:5px 0 2px;font-family:var(--serif);font-weight:500;font-size:1.18rem}
.tl-org{color:var(--ink-80);font-weight:600;font-size:.93rem;margin-bottom:8px}
.tl-item ul{margin:8px 0 0;padding-left:18px;color:var(--muted);font-size:.94rem}
.tl-item li{margin-bottom:5px}

/* ---------- work / case files ---------- */
.work-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line-strong);
  border-top:3px solid var(--ink);transition:.15s}
.work-card:hover{border-top-color:var(--stamp)}
.work-top{padding:20px 22px 0;display:flex;align-items:center;justify-content:space-between;gap:12px}
.work-num{font-family:var(--mono);color:var(--muted);font-size:.74rem;letter-spacing:.05em;text-transform:uppercase}
.status{font-family:var(--mono);font-size:.68rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  color:var(--verify);background:var(--verify-soft);border:1px solid var(--verify);
  padding:3px 9px;border-radius:3px;white-space:nowrap;transform:rotate(-1.5deg)}
.status.is-draft{color:var(--ink-80);background:var(--surface);border:1px dashed var(--line-strong)}
.work-link{display:block;text-decoration:none;color:inherit}
.work-link h3{padding:16px 22px 0;font-family:var(--serif);font-weight:500;font-size:1.28rem}
.work-link:hover h3{color:var(--stamp)}
.work-link p{padding:8px 22px 0;color:var(--muted);font-size:.95rem}
.work-tags{padding:16px 22px 0;margin-top:auto;color:var(--muted);font-size:.8rem;font-family:var(--mono)}
.grid-4{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:820px){.grid-4{grid-template-columns:1fr}}
.work-actions{display:flex;align-items:center;gap:16px;padding:14px 22px 22px;flex-wrap:wrap}
.work-open{font-weight:700;color:#fff;background:var(--stamp);font-size:.86rem;padding:8px 14px;text-decoration:none;border-radius:3px}
.work-open:hover{background:var(--ink)}
.work-more{font-weight:600;color:var(--accent);font-size:.88rem;text-decoration:underline;text-underline-offset:3px}
.work-actions .work-more::after{content:""}
.work-more:only-child::after{content:" \2192"}
.work-launch-note{display:flex;align-items:center;justify-content:space-between;gap:28px;background:var(--ink);color:#fff;border-left:4px solid var(--stamp);padding:24px 26px;margin-bottom:22px}
.work-launch-note h3{font-family:var(--serif);font-size:1.35rem;color:#fff;margin:6px 0}
.work-launch-note p{color:#C4CBC5;margin:0;max-width:62ch;font-size:.91rem}
.work-launch-note .refcode{color:#D89A85}.work-launch-note .btn{flex:none;background:#fff;color:var(--ink)}
@media(max-width:720px){.work-launch-note{align-items:flex-start;flex-direction:column}}

/* ---------- lists / detail ---------- */
.def{display:grid;grid-template-columns:200px 1fr;gap:14px 28px;border-top:1px solid var(--line);padding:16px 0}
.def dt{font-weight:600;color:var(--ink)}
.def dd{margin:0;color:var(--muted)}
@media (max-width:640px){.def{grid-template-columns:1fr;gap:4px 0}}

.chiprow{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.chip{font-family:var(--mono);font-size:.78rem;color:var(--ink-80);background:var(--surface);border:1px solid var(--line-strong);
  padding:5px 11px;border-radius:3px}

.pillars{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-strong);border:1px solid var(--line-strong);margin-top:8px}
@media (max-width:820px){.pillars{grid-template-columns:1fr}}
.pillar{padding:22px 24px;background:var(--surface)}
.pillar h3{margin-bottom:8px}
.pillar p{color:var(--muted);margin:0;font-size:.95rem}
.pillar .mk{color:var(--stamp);font-weight:600;font-size:.74rem;margin-bottom:10px;display:block;
  font-family:var(--mono);letter-spacing:.05em}

/* ---------- contact ---------- */
.contact-card{background:var(--surface);border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:clamp(28px,5vw,48px)}
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}
@media (max-width:760px){.contact-grid{grid-template-columns:1fr;gap:24px}}
.contact-line{display:flex;align-items:center;gap:12px;padding:10px 0;border-top:1px solid var(--line);color:var(--ink-80)}
.contact-line:first-of-type{border-top:0}
.contact-line svg{width:18px;height:18px;color:var(--stamp);flex:none}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B7BEB2;padding:48px 0 36px;border:0}
.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px}
.site-footer a{color:#D3D8CE}
.site-footer .fbrand{font-family:var(--serif);color:#fff;font-size:1.12rem;margin-bottom:6px}
.site-footer small{display:block;color:#818A7C;margin-top:14px;font-size:.82rem;max-width:52ch;line-height:1.5;font-family:var(--mono)}
.foot-links{display:flex;gap:22px;flex-wrap:wrap;font-size:.9rem}

/* ---------- notice / provenance note ---------- */
.note{border-left:3px solid var(--stamp);padding:6px 0 6px 18px;color:var(--muted);font-size:.9rem;max-width:60ch}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* breadcrumb for case pages */
.crumb{color:var(--muted);font-size:.88rem;margin-bottom:18px;font-family:var(--mono)}
.crumb a{color:var(--muted)}
.case-hero{padding-top:44px}
.case-hero .statement{font-family:var(--serif);font-size:clamp(1.7rem,1.3rem+1.8vw,2.6rem);
  line-height:1.12;white-space:pre-line;letter-spacing:-.02em;margin:18px 0 0;max-width:18ch}
.decision{padding:20px 0;border-top:1px solid var(--line)}
.decision h3{font-family:var(--serif);font-weight:500;font-size:1.18rem;margin-bottom:6px}
.decision p{color:var(--muted);margin:0}

/* Professional portrait */
.portrait-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:40px;align-items:start}
.portrait{margin:0}
.portrait img{width:100%;height:auto;border:1px solid var(--line-strong);border-radius:2px}
.portrait figcaption{font-family:var(--serif);font-size:1.2rem;margin-top:12px}
.portrait figcaption span{display:block;font:500 .7rem var(--mono);color:var(--muted);margin-top:4px;letter-spacing:.05em;text-transform:uppercase}
.hero-copy{min-width:0}
@media (max-width:760px){.portrait-layout{grid-template-columns:1fr;gap:26px}.portrait{max-width:220px}.hero-copy{order:2}.portrait{order:1}}

/* ---------- skip link ---------- */
.skip-link{position:absolute;left:12px;top:-48px;background:var(--ink);color:var(--paper);padding:10px 16px;
  border-radius:4px;font-size:.9rem;font-weight:600;z-index:100;transition:top .15s ease}
.skip-link:focus{top:12px}

/* ---------- copy button ---------- */
.copy-btn{font-family:var(--mono);font-size:.72rem;font-weight:600;letter-spacing:.03em;text-transform:uppercase;
  color:var(--accent);background:var(--accent-soft);border:1px solid var(--line-strong);border-radius:3px;
  padding:3px 8px;cursor:pointer;margin-left:2px}
.copy-btn:hover{border-color:var(--accent)}
.copy-btn.copied{background:var(--verify-soft);color:var(--verify);border-color:var(--verify)}

/* ---------- operating model (a genuine sequence — numbered on purpose) ---------- */
.model{margin-top:52px;padding-top:40px;border-top:1px solid var(--line)}
.model-title{font-family:var(--serif);font-weight:500;font-size:1.3rem;margin-bottom:10px}
.model-flow{display:flex;align-items:stretch;gap:1px;background:var(--line-strong);border:1px solid var(--line-strong)}
.model-step{flex:1;min-width:0;background:var(--surface);padding:20px 18px;position:relative}
.model-icon{width:30px;height:30px;color:var(--stamp);margin-bottom:14px}
.model-icon svg{width:100%;height:100%}
.model-label{font-weight:600;font-size:.92rem;margin-bottom:6px;color:var(--ink)}
.model-label b{font-family:var(--mono);font-weight:600;color:var(--stamp);letter-spacing:.03em;margin-right:4px}
.model-step p{margin:0;color:var(--muted);font-size:.87rem}
.model-arrow{display:none}
.model-loop{margin-top:1px;padding:13px 18px;background:var(--stamp-soft);color:var(--ink-80);
  font-size:.88rem;display:flex;align-items:center;gap:10px;border:1px solid var(--line-strong);border-top:0}
.model-loop-arrow{color:var(--stamp);font-size:1.1rem;flex:none}
@media (max-width:900px){
  .model-flow{flex-direction:column}
}