/* ============================================================
   VINAYAKAM CONSULTANTS — Long-form Case Study layout
   Loaded after brand.css on individual case pages.
   ============================================================ */

/* ---- Article hero (dark) ---- */
.ca-hero{background:var(--teal-900);color:#EAF3F0;padding:54px 0 60px;position:relative;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.08);}
.ca-hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;border:1.5px solid rgba(201,162,75,.16);}
.ca-hero::before{content:"";position:absolute;right:40px;top:60px;width:240px;height:240px;border-radius:50%;border:1.5px solid rgba(255,255,255,.06);}
.ca-hero .crumb,.ca-hero .crumb a{color:#9DB5AF;}
.ca-hero .casenum{font-family:var(--mono);font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--teal-300);display:inline-flex;align-items:center;gap:10px;margin-bottom:20px;}
.ca-hero .casenum::before{content:"";width:22px;height:1.5px;background:var(--gold);}
.ca-hero h1{color:#fff;font-size:clamp(34px,4.6vw,56px);max-width:20ch;letter-spacing:-.02em;}
.ca-hero .dek{margin-top:22px;max-width:60ch;color:#C2D8D2;font-size:clamp(17px,1.5vw,20px);line-height:1.55;}

/* ---- Facts bar ---- */
.ca-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius);overflow:hidden;margin-top:40px;position:relative;z-index:1;}
.ca-facts .f{background:var(--teal-900);padding:18px 20px;}
.ca-facts .f .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-300);}
.ca-facts .f .v{font-family:var(--serif);font-size:19px;color:#fff;margin-top:8px;line-height:1.2;}

/* ---- Reading column ---- */
.ca-wrap{max-width:1080px;margin:0 auto;padding:0 32px;display:grid;grid-template-columns:200px 1fr;gap:64px;}
.ca-toc{position:sticky;top:104px;align-self:start;height:max-content;}
.ca-toc .lbl{font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted-2);margin-bottom:16px;}
.ca-toc a{display:block;font-size:13.5px;color:var(--muted);padding:7px 0 7px 14px;border-left:2px solid var(--line);transition:.18s;line-height:1.35;}
.ca-toc a:hover{color:var(--teal-700);border-color:var(--teal-300);}
.ca-toc a.on{color:var(--teal-800);border-color:var(--gold);font-weight:600;}

.ca-body{max-width:720px;min-width:0;}
.ca-body .lede{font-family:var(--serif);font-size:clamp(21px,2.3vw,26px);line-height:1.5;color:var(--ink-soft);font-weight:400;margin-bottom:8px;}
.ca-sec{padding:40px 0;border-top:1px solid var(--line);}
.ca-sec:first-of-type{border-top:none;}
.ca-sec .eyebrow{margin-bottom:16px;}
.ca-sec h2{font-size:clamp(26px,3vw,34px);margin-bottom:20px;}
.ca-sec h3{font-size:20px;margin:26px 0 10px;color:var(--teal-800);}
.ca-sec p{font-size:17.5px;line-height:1.72;color:var(--ink-soft);margin-bottom:1.1em;}
.ca-sec p:last-child{margin-bottom:0;}
.ca-sec strong{color:var(--ink);font-weight:600;}

/* ---- Numbered steps ---- */
.ca-steps{list-style:none;padding:0;margin:8px 0 0;counter-reset:st;}
.ca-steps li{counter-increment:st;position:relative;padding:0 0 26px 62px;}
.ca-steps li::before{content:counter(st,decimal-leading-zero);position:absolute;left:0;top:-2px;font-family:var(--serif);font-size:22px;color:var(--gold);width:42px;height:42px;border:1.5px solid var(--line-strong);border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--paper-2);}
.ca-steps li::after{content:"";position:absolute;left:21px;top:42px;bottom:6px;width:1.5px;background:var(--line);}
.ca-steps li:last-child{padding-bottom:0;}
.ca-steps li:last-child::after{display:none;}
.ca-steps li h3{margin:6px 0 6px;font-size:18.5px;color:var(--ink);}
.ca-steps li p{font-size:16px;margin-bottom:0;color:var(--muted);}

/* ---- Chips (approvals/registrations) ---- */
.ca-chips{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 4px;}
.ca-chips span{font-family:var(--mono);font-size:12px;letter-spacing:.04em;color:var(--teal-700);background:var(--teal-100);border-radius:999px;padding:8px 14px;}

/* ---- Callout / pull quote ---- */
.ca-callout{border-left:3px solid var(--gold);background:var(--paper-2);border-radius:0 var(--radius) var(--radius) 0;padding:24px 28px;margin:30px 0;}
.ca-callout .ql{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--teal-700);display:block;margin-bottom:10px;}
.ca-callout p{font-family:var(--serif);font-size:21px;line-height:1.5;color:var(--ink);font-style:italic;margin:0;}

/* ---- Timeline ---- */
.ca-timeline{list-style:none;padding:0;margin:8px 0 0;}
.ca-timeline li{position:relative;padding:0 0 24px 34px;}
.ca-timeline li::before{content:"";position:absolute;left:4px;top:5px;width:11px;height:11px;border-radius:50%;background:var(--teal-600);box-shadow:0 0 0 4px var(--teal-100);}
.ca-timeline li::after{content:"";position:absolute;left:9px;top:18px;bottom:-4px;width:1.5px;background:var(--line);}
.ca-timeline li:last-child{padding-bottom:0;}
.ca-timeline li:last-child::after{display:none;}
.ca-timeline .t{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--teal-700);margin-bottom:4px;}
.ca-timeline .d{font-size:16px;color:var(--ink-soft);line-height:1.55;}

/* ---- Key learnings / takeaways ---- */
.ca-takeaways{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:14px;}
.ca-takeaways li{position:relative;padding:16px 18px 16px 50px;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);font-size:16.5px;color:var(--ink-soft);line-height:1.55;}
.ca-takeaways li::before{content:"";position:absolute;left:18px;top:20px;width:14px;height:9px;border-left:2px solid var(--gold);border-bottom:2px solid var(--gold);transform:rotate(-45deg);}

/* ---- Result metric strip ---- */
.ca-result{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:8px 0 0;}
.ca-result .r{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-2);}
.ca-result .r .n{font-family:var(--serif);font-size:30px;color:var(--teal-800);line-height:1;}
.ca-result .r .l{font-size:13.5px;color:var(--muted);margin-top:9px;line-height:1.45;}

/* ---- Disclaimer note ---- */
.ca-note{font-size:13.5px;color:var(--muted-2);font-style:italic;border-top:1px solid var(--line);padding-top:18px;margin-top:34px;line-height:1.55;}

/* ---- Next case nav ---- */
.ca-next{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper-2);margin-top:12px;transition:.25s;}
.ca-next:hover{box-shadow:var(--shadow-md);border-color:transparent;}
.ca-next .nl{font-family:var(--mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);}
.ca-next .nt{font-family:var(--serif);font-size:22px;color:var(--ink);margin-top:8px;line-height:1.2;}
.ca-next .arr{font-size:26px;color:var(--gold);flex:none;}

/* ---- Card link on listing ---- */
.cs .read{margin-top:24px;}

@media(max-width:920px){
  .ca-wrap{grid-template-columns:1fr;gap:0;}
  .ca-toc{display:none;}
  .ca-facts{grid-template-columns:repeat(2,1fr);}
  .ca-result{grid-template-columns:1fr;}
}
@media(max-width:620px){
  .ca-wrap{padding:0 20px;}
  .ca-next{flex-direction:column;align-items:flex-start;}
}