/* =====================================================================
   Shared case-study stylesheet — Shri 2026
   Every .html case study links this and sets 4 CSS vars on :root to
   theme the hero + accents. No per-page duplication.
   ===================================================================== */

:root {
  /* Defaults — each page overrides these */
  --cs-hero-1: #1A1540;
  --cs-hero-2: #0F0D2A;
  --cs-accent: #818CF8;        /* eyebrow / label / dot */
  --cs-accent-soft: #A5B4FC;   /* hero body text */
  --cs-accent-bright: #E0E7FF; /* hero title */
  --cs-hl-1: #EEF2FF;          /* highlight bg start */
  --cs-hl-2: #E0E7FF;          /* highlight bg end */
  --cs-hl-title: #312E81;
  --cs-hl-text: #4338CA;
  --cs-launch-1: #6366F1;
  --cs-launch-2: #818CF8;
  --cs-launch-text: #0F0D2A;

  --cs-cream: #F5F0EA;
  --cs-ink: #0F0F14;
  --cs-ink-soft: #1E1B4B;
  --cs-muted: #4B5563;
  --cs-muted-2: #6B6880;
  --cs-hairline: rgba(0,0,0,0.06);
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:'Plus Jakarta Sans',system-ui,sans-serif;
  color:var(--cs-ink-soft);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  padding-top:68px;
  background:var(--cs-cream);
}
body::after{
  content:'';position:fixed;top:0;left:0;width:100%;height:100%;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,0,0,0.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,0,0,0.04) 1px,transparent 1px);
  background-size:40px 40px;
}

/* Nav */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;justify-content:space-between;align-items:center;
  padding:1.25rem 3rem;
  backdrop-filter:blur(20px) saturate(1.4);
  -webkit-backdrop-filter:blur(20px) saturate(1.4);
  background:rgba(245,240,234,0.8);
  border-bottom:1px solid var(--cs-hairline);
  transition:background 0.3s,box-shadow 0.3s;
}
.nav.scrolled{background:rgba(245,240,234,0.95);box-shadow:0 1px 16px rgba(0,0,0,0.04);}
.nav-logo{font-size:15px;font-weight:700;color:var(--cs-ink);letter-spacing:-0.02em;text-decoration:none;}
.nav-links{display:flex;gap:2.5rem;align-items:center;}
.nav-links a{font-size:13px;font-weight:500;color:var(--cs-muted-2);text-decoration:none;transition:color 0.2s;}
.nav-links a:hover{color:var(--cs-ink);}
.nav-cta{
  font-size:11px;font-weight:600;padding:6px 16px;
  background:transparent;color:#6366F1;border:1.5px solid #6366F1;
  border-radius:18px;text-decoration:none;transition:all 0.2s ease;letter-spacing:0.3px;
}
.nav-cta:hover{background:#6366F1;color:#fff;transform:translateY(-1px);}

/* Reveal */
.rv{opacity:0;transform:translateY(20px);transition:opacity 0.6s cubic-bezier(0.16,1,0.3,1),transform 0.6s cubic-bezier(0.16,1,0.3,1);}
.rv.vis{opacity:1;transform:translateY(0);}

/* ------ HERO ------ */
.cs-hero{
  position:relative;z-index:2;
  background:linear-gradient(135deg,var(--cs-hero-1),var(--cs-hero-2));
  padding:100px 2rem 80px;
  overflow:hidden;
}
.cs-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.06), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.04), transparent 50%);
}
.cs-hero-inner{max-width:880px;margin:0 auto;position:relative;z-index:1;}
.cs-back{
  font-size:13px;color:var(--cs-accent-soft);text-decoration:none;
  display:inline-block;margin-bottom:28px;transition:opacity 0.2s;
  font-weight:500;
}
.cs-back:hover{opacity:0.7;}
.cs-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:100px;
  background:rgba(255,255,255,0.08);margin-bottom:20px;
  border:1px solid rgba(255,255,255,0.1);
}
.cs-badge-dot{width:6px;height:6px;border-radius:50%;background:var(--cs-accent);}
.cs-badge span{font-size:11px;color:var(--cs-accent-soft);font-weight:600;letter-spacing:0.12em;text-transform:uppercase;}

.cs-title{
  font-size:clamp(40px, 5.5vw, 72px);
  font-weight:800;
  color:var(--cs-accent-bright);
  letter-spacing:-0.035em;
  margin-bottom:20px;
  line-height:1.02;
  text-wrap:pretty;
}
.cs-subtitle{
  font-size:clamp(16px,1.4vw,19px);
  color:var(--cs-accent-soft);
  line-height:1.55;max-width:620px;margin-bottom:18px;
  font-weight:400;
}
.cs-meta{font-size:13px;color:var(--cs-accent);font-weight:500;letter-spacing:0.02em;}

/* Content wrapper */
.cs-content{position:relative;z-index:2;max-width:880px;margin:0 auto;padding:0 2rem;}

/* Stats — pulled up over the hero edge */
.cs-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  padding:0;margin-top:-36px;margin-bottom:40px;position:relative;z-index:3;
}
.cs-stat{
  background:#fff;border:1px solid var(--cs-hairline);
  border-radius:16px;padding:22px 20px;text-align:center;
  box-shadow:0 20px 50px -30px rgba(15,15,20,0.25);
}
.cs-stat-n{font-size:30px;font-weight:800;color:var(--cs-ink);letter-spacing:-0.025em;}
.cs-stat-l{font-size:10px;color:var(--cs-muted-2);margin-top:6px;font-weight:700;letter-spacing:0.12em;text-transform:uppercase;}

/* Section */
.cs-section{padding:48px 0;border-top:1px solid var(--cs-hairline);}
.cs-label{
  font-size:10px;font-weight:700;letter-spacing:0.18em;text-transform:uppercase;
  color:var(--cs-accent);
}
.cs-section-title{
  font-size:clamp(24px,2.4vw,32px);
  font-weight:700;color:var(--cs-ink);
  margin:10px 0 18px;letter-spacing:-0.02em;
  line-height:1.2;text-wrap:pretty;max-width:760px;
}
.cs-text{font-size:15px;color:var(--cs-muted);line-height:1.7;max-width:720px;}
.cs-text strong{color:var(--cs-ink);font-weight:600;}
.cs-text em{color:var(--cs-ink);font-style:italic;}

/* Highlight */
.cs-highlight{
  background:linear-gradient(135deg,var(--cs-hl-1),var(--cs-hl-2));
  border-radius:16px;padding:26px 28px;margin:20px 0;
}
.cs-highlight-title{font-size:17px;font-weight:700;color:var(--cs-hl-title);margin-bottom:8px;letter-spacing:-0.01em;}
.cs-highlight-text{font-size:14px;color:var(--cs-hl-text);line-height:1.6;}

/* Figures */
.cs-figure{
  margin:22px 0;background:#fff;
  border:1px solid var(--cs-hairline);border-radius:16px;overflow:hidden;
  box-shadow:0 20px 40px -24px rgba(15,15,20,0.12);
}
.cs-figure img{width:100%;display:block;}
.cs-figure-cap{padding:12px 18px;font-size:12px;color:var(--cs-muted-2);font-style:italic;border-top:1px solid var(--cs-hairline);}
/* Missing-figure placeholder: rendered when onerror fires */
.cs-figure.missing{
  background:
    repeating-linear-gradient(45deg, rgba(0,0,0,0.02) 0 10px, transparent 10px 20px),
    linear-gradient(135deg, var(--cs-hl-1), var(--cs-hl-2));
  min-height:180px;display:flex;align-items:center;justify-content:center;
  position:relative;
}
.cs-figure.missing::before{
  content:"Figure not included in this mirror";
  font-size:12px;font-weight:600;letter-spacing:0.12em;text-transform:uppercase;
  color:var(--cs-hl-title);opacity:0.55;padding:0 20px;text-align:center;
}

/* Card grids */
.cs-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0;}
.cs-three-cards{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;margin:18px 0;}
.cs-card{
  background:#fff;border:1px solid var(--cs-hairline);
  border-radius:16px;padding:22px;
}
.cs-card-label{font-size:10px;font-weight:700;letter-spacing:0.15em;text-transform:uppercase;color:var(--cs-accent);margin-bottom:8px;}
.cs-card-title{font-size:16px;font-weight:700;color:var(--cs-ink);margin-bottom:8px;letter-spacing:-0.01em;}
.cs-card-text{font-size:13px;color:var(--cs-muted);line-height:1.6;}
.cs-card-text strong{color:var(--cs-ink);font-weight:600;}

/* Numbered cards (01/02/03) */
.cs-card.numbered .cs-card-title{font-size:30px;font-weight:800;color:var(--cs-accent);margin-bottom:10px;letter-spacing:-0.02em;}

/* Tables */
.cs-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:13px;background:#fff;border-radius:14px;overflow:hidden;border:1px solid var(--cs-hairline);}
.cs-table th{
  text-align:left;padding:12px 16px;
  background:rgba(129,140,248,0.06);color:var(--cs-hl-title);
  font-weight:700;font-size:11px;letter-spacing:0.12em;text-transform:uppercase;
  border-bottom:1px solid var(--cs-hairline);
}
.cs-table td{padding:12px 16px;border-bottom:1px solid var(--cs-hairline);color:var(--cs-muted);line-height:1.5;}
.cs-table tr:last-child td{border-bottom:none;}
.cs-table .sig,.cs-table .win{color:var(--cs-ink);font-weight:700;}
.cs-table .win{background:rgba(129,140,248,0.04);}

/* Pills */
.cs-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.cs-pill{
  padding:6px 14px;border-radius:100px;background:#fff;
  border:1px solid var(--cs-hairline);font-size:12px;color:var(--cs-muted);font-weight:500;
}

/* Quote */
.cs-quote{
  border-left:3px solid var(--cs-accent);
  background:#fff;border-radius:0 14px 14px 0;
  padding:20px 24px;margin:18px 0;
}
.cs-quote p{font-size:17px;font-weight:600;color:var(--cs-ink);line-height:1.45;font-style:italic;letter-spacing:-0.01em;}

/* Timeline */
.cs-timeline{margin:20px 0;}
.cs-phase{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--cs-hairline);}
.cs-phase:last-child{border-bottom:none;}
.cs-phase-marker{width:40px;flex-shrink:0;display:flex;flex-direction:column;align-items:center;}
.cs-phase-dot{width:10px;height:10px;border-radius:50%;background:var(--cs-accent);margin-top:6px;box-shadow:0 0 0 4px rgba(255,255,255,1),0 0 0 5px var(--cs-hairline);}
.cs-phase-line{width:2px;flex:1;background:rgba(0,0,0,0.08);margin-top:6px;}
.cs-phase-content{flex:1;}
.cs-phase-date{font-size:11px;font-weight:700;color:var(--cs-accent);letter-spacing:0.1em;text-transform:uppercase;}
.cs-phase-name{font-size:16px;font-weight:700;color:var(--cs-ink);margin:4px 0 6px;letter-spacing:-0.01em;}
.cs-phase-desc{font-size:13px;color:var(--cs-muted-2);line-height:1.55;}

/* Competitor grid */
.cs-comp-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0;}
.cs-comp{background:#fff;border:1px solid var(--cs-hairline);border-radius:12px;padding:16px;display:flex;align-items:center;gap:12px;}
.cs-comp-icon{width:36px;height:36px;border-radius:10px;background:rgba(0,0,0,0.04);display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;}
.cs-comp-info{flex:1;}
.cs-comp-name{font-size:14px;font-weight:700;color:var(--cs-ink);}
.cs-comp-gap{font-size:12px;color:var(--cs-muted-2);line-height:1.4;}

/* Model-row / HR-row bars */
.model-row,.hr-row{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid var(--cs-hairline);}
.model-row:last-child,.hr-row:last-child{border-bottom:none;}
.model-name,.hr-label{width:140px;font-size:13px;font-weight:600;color:var(--cs-ink);flex-shrink:0;}
.model-bar-bg,.hr-bar-bg{flex:1;height:8px;background:rgba(0,0,0,0.05);border-radius:4px;overflow:hidden;}
.model-bar,.hr-bar{height:100%;border-radius:4px;transition:width 1s cubic-bezier(0.16,1,0.3,1);}
.model-val,.hr-value{width:110px;text-align:right;font-size:13px;font-weight:700;color:var(--cs-ink);flex-shrink:0;}
.hr-ci{font-size:11px;color:var(--cs-muted-2);font-weight:400;}

/* ------ DASHBOARD LAUNCH (in-hero) ------ */
.cs-launch-wrap{margin-top:28px;}
.cs-launch-tag{
  display:inline-block;font-size:10px;font-weight:700;
  letter-spacing:0.18em;text-transform:uppercase;
  color:var(--cs-accent);margin-bottom:12px;
  padding:4px 10px;border-radius:100px;
  background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);
}
.cs-launch{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:12px;
  background:linear-gradient(135deg,var(--cs-launch-1),var(--cs-launch-2));
  color:var(--cs-launch-text);font-size:14px;font-weight:700;
  text-decoration:none;letter-spacing:0.01em;
  transition:transform 0.3s cubic-bezier(0.16,1,0.3,1),box-shadow 0.3s cubic-bezier(0.16,1,0.3,1);
  box-shadow:0 8px 30px rgba(99,102,241,0.25);
}
.cs-launch:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(129,140,248,0.4);}
.cs-launch svg{width:16px;height:16px;}

/* CTA */
.cs-cta{padding:56px 0 80px;text-align:center;}
.cs-cta-text{font-size:16px;color:var(--cs-muted-2);margin-bottom:20px;}
.cs-cta-btn{
  display:inline-block;padding:14px 32px;border-radius:12px;
  background:var(--cs-hero-1);color:var(--cs-accent-soft);
  font-size:14px;font-weight:600;text-decoration:none;
  transition:all 0.3s cubic-bezier(0.16,1,0.3,1);
}
.cs-cta-btn:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(0,0,0,0.2);}
.cs-footer{font-size:12px;color:#9CA3AF;margin-top:28px;}

/* Responsive */
@media(max-width:768px){
  .nav{padding:1rem 1.25rem;}.nav-links{display:none;}
  .cs-hero{padding:60px 1.25rem 60px;}
  .cs-content{padding:0 1.25rem;}
  .cs-stats{grid-template-columns:1fr 1fr;margin-top:-24px;}
  .cs-cards,.cs-three-cards,.cs-comp-grid{grid-template-columns:1fr;}
  .cs-section-title{font-size:22px;}
  .cs-phase{flex-direction:column;gap:10px;}
  .cs-phase-marker{flex-direction:row;width:auto;gap:8px;}
  .cs-phase-line{display:none;}
  .model-name,.hr-label{width:110px;font-size:12px;}
  .model-val,.hr-value{width:90px;font-size:12px;}
}

/* Page transitions */
.js-transitions body{opacity:0;transition:opacity 380ms cubic-bezier(0.16,1,0.3,1);}
.js-transitions body.page-ready{opacity:1;}
.js-transitions body.page-leaving{opacity:0;transition:opacity 220ms cubic-bezier(0.4,0,1,1);}