/* Shared case study page styles — Testnero */
:root{
  --bg:#07060b;--bg-2:#0c0a14;--card:#0f0b1a;--card-2:#120e1e;
  --ink:#efeaf7;--ink-dim:#b4a9c9;--ink-mute:#6e6485;
  --line:rgba(167,139,250,.14);--line-strong:rgba(167,139,250,.28);
  --violet:#a78bfa;--violet-2:#8b5cf6;--violet-3:#6d28d9;--violet-deep:#4c1d95;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:'DM Sans',system-ui,sans-serif;-webkit-font-smoothing:antialiased}
body{overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}

/* tokens reused */
.label{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;background:rgba(139,92,246,.1);border:1px solid rgba(167,139,250,.3);color:var(--violet);font-size:11.5px;letter-spacing:.18em;text-transform:uppercase;font-weight:500}
.label::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--violet);box-shadow:0 0 10px var(--violet)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;font-weight:500;font-size:15px;cursor:pointer;transition:transform .25s, box-shadow .25s;border:none;color:#fff;font-family:inherit}
.btn-primary{background:linear-gradient(180deg,#8b5cf6,#6d28d9);box-shadow:0 10px 40px -10px rgba(139,92,246,.7), inset 0 1px 0 rgba(255,255,255,.2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 50px -8px rgba(139,92,246,.85)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(255,255,255,.15)}
.btn-ghost:hover{border-color:rgba(167,139,250,.5);background:rgba(139,92,246,.08)}

/* texture */
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(rgba(167,139,250,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(167,139,250,.06) 1px,transparent 1px);background-size:64px 64px;mask-image:radial-gradient(ellipse at center, #000 15%, transparent 75%);pointer-events:none}
.noise{position:absolute;inset:0;pointer-events:none;opacity:.32;mix-blend-mode:overlay;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.6  0 0 0 0 0.5  0 0 0 0 0.8  0 0 0 .25 0'/></filter><rect width='200' height='200' filter='url(%23n)' /></svg>")}

/* nav */
nav.top{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(7,6,11,.78);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:20px 32px;max-width:1440px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px;font-weight:600;font-size:19px;letter-spacing:-.01em;color:var(--ink)}
.logo .mark{width:28px;height:28px;border-radius:8px;background:conic-gradient(from 210deg at 50% 50%, #c4b5fd, #8b5cf6, #6d28d9, #c4b5fd);box-shadow:0 0 24px rgba(139,92,246,.6), inset 0 1px 0 rgba(255,255,255,.3);position:relative}
.logo .mark::after{content:"";position:absolute;inset:6px;border-radius:3px;background:#07060b;box-shadow:inset 0 0 6px rgba(139,92,246,.8)}
.nav-links{display:flex;gap:36px;font-size:14.5px;color:var(--ink-dim)}
.nav-links a{transition:color .2s}
.nav-links a:hover, .nav-links a.active{color:var(--ink)}
.nav-links a.active{position:relative}
.nav-links a.active::after{content:"";position:absolute;bottom:-22px;left:50%;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--violet);box-shadow:0 0 8px var(--violet)}

/* HERO */
section.cs-hero{position:relative;padding:140px 0 40px;text-align:center;overflow:hidden}
.cs-hero-glow{position:absolute;top:-200px;left:50%;transform:translateX(-50%);width:1100px;height:740px;background:radial-gradient(ellipse at center, rgba(139,92,246,.32) 0%, rgba(109,40,217,.08) 35%, transparent 65%);filter:blur(40px);pointer-events:none;z-index:1}
.cs-hero-inner{position:relative;z-index:3;max-width:880px;margin:0 auto}
.cs-eyebrow{font-family:'JetBrains Mono',monospace;font-size:11.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--violet);margin-bottom:20px}
.cs-hero h1{font-family:'DM Serif Display',serif;font-size:clamp(48px,6.4vw,86px);line-height:1.02;letter-spacing:-.02em;margin:8px 0 22px}
.cs-hero h1 em{font-style:italic;color:#d8ccf5;display:block}
.cs-hero p.sub{font-size:16px;color:var(--ink-dim);line-height:1.7;max-width:620px;margin:0 auto}

/* HERO IMAGE */
.cs-hero-img{position:relative;margin-top:60px;z-index:2}
.cs-hero-img-inner{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#0a0710;aspect-ratio:21/9;box-shadow:0 60px 140px -60px rgba(139,92,246,.55), 0 0 0 1px rgba(167,139,250,.08)}
.cs-hero-img-inner img{width:100%;height:100%;object-fit:cover;display:block;filter:saturate(1.05)}
.cs-hero-img-inner::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, transparent 60%, rgba(7,6,11,.55));pointer-events:none}

/* OVERVIEW */
section.cs-overview{padding:90px 0 40px;position:relative}
.cs-overview-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:56px;align-items:start}
.cs-h2{font-family:'DM Serif Display',serif;font-size:clamp(34px,3.8vw,46px);line-height:1.05;letter-spacing:-.02em;margin:0 0 24px}
.cs-h2 em{font-style:italic;color:#d8ccf5}
.cs-body p{color:var(--ink-dim);font-size:15.5px;line-height:1.78;margin:0 0 16px}
.cs-meta{padding:30px;border-radius:24px;background:linear-gradient(180deg, rgba(24,17,43,.55), rgba(14,10,26,.75));border:1px solid var(--line);display:flex;flex-direction:column;gap:18px}
.cs-meta-row{display:grid;grid-template-columns:96px 1fr;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line);align-items:start}
.cs-meta-row:last-child{border-bottom:none;padding-bottom:0}
.cs-meta-k{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute)}
.cs-meta-v{color:var(--ink);font-size:14px;line-height:1.55}

/* GOALS */
section.cs-goals{padding:80px 0;position:relative}
.cs-goals-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:36px}
.cs-goal{padding:26px;border-radius:20px;background:linear-gradient(180deg, rgba(24,17,43,.5), rgba(14,10,26,.7));border:1px solid var(--line);display:flex;flex-direction:column;gap:18px;min-height:180px;transition:border-color .25s, transform .25s}
.cs-goal:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.cs-goal-ic{width:42px;height:42px;border-radius:12px;background:linear-gradient(180deg, rgba(139,92,246,.25), rgba(109,40,217,.1));border:1px solid rgba(167,139,250,.3);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cs-goal p{margin:0;font-size:13.5px;line-height:1.55;color:var(--ink-dim)}

/* CHALLENGE / SWOT */
section.cs-challenge{padding:80px 0;position:relative}
.cs-challenge-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;margin-top:40px}
.cs-swot{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.cs-swot-cell{padding:24px;border-radius:18px;background:linear-gradient(180deg, rgba(76,29,149,.18), rgba(14,10,26,.5));border:1px solid var(--line);min-height:170px;display:flex;flex-direction:column;justify-content:flex-end;gap:10px}
.cs-swot-cell h4{font-family:'DM Serif Display',serif;font-style:italic;font-size:18px;margin:0;color:#d8ccf5}
.cs-swot-cell p{margin:0;font-size:12.5px;line-height:1.55;color:var(--ink-dim)}
.cs-challenge-img{position:relative;border-radius:24px;overflow:hidden;aspect-ratio:5/4;border:1px solid var(--line)}
.cs-challenge-img img{width:100%;height:100%;object-fit:cover;display:block}

/* APPROACH */
section.cs-approach{padding:80px 0;position:relative}
.cs-approach-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px 56px;margin-top:40px}
.cs-app{display:flex;flex-direction:column;gap:18px}
.cs-app h3{font-family:'DM Serif Display',serif;font-style:italic;font-size:24px;margin:0;letter-spacing:-.01em;color:#e6dcfb}
.cs-app p{margin:0;color:var(--ink-dim);font-size:14.5px;line-height:1.65}
.cs-app-img{border-radius:18px;overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line)}
.cs-app-img img{width:100%;height:100%;object-fit:cover;display:block}

/* STAND OUT */
section.cs-standout{padding:80px 0;position:relative}
.cs-standout-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-top:40px}
.cs-standout-card{display:flex;flex-direction:column;gap:18px}
.cs-standout-img{border-radius:18px;overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line)}
.cs-standout-img img{width:100%;height:100%;object-fit:cover;display:block}
.cs-standout-card h3{font-family:'DM Serif Display',serif;font-style:italic;font-size:22px;margin:0;color:#e6dcfb;letter-spacing:-.01em}
.cs-standout-card p{margin:0;font-size:14px;line-height:1.6;color:var(--ink-dim)}
.cs-standout-foot{margin-top:36px;padding-top:32px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:32px}
.cs-standout-foot p{margin:0;font-family:'DM Serif Display',serif;font-style:italic;font-size:18px;line-height:1.4;color:#d8ccf5}

/* NUMBERS */
section.cs-numbers{padding:80px 0;position:relative}
.cs-numbers-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px;padding:36px;border-radius:24px;background:linear-gradient(180deg, rgba(24,17,43,.55), rgba(14,10,26,.75));border:1px solid var(--line)}
.cs-num{text-align:center;padding:18px}
.cs-num + .cs-num{border-left:1px solid var(--line)}
.cs-num-v{font-family:'DM Serif Display',serif;font-size:clamp(48px,5vw,68px);line-height:1;letter-spacing:-.02em}
.cs-num-v em{font-style:italic;color:#d8ccf5}
.cs-num-l{margin-top:14px;color:var(--ink-dim);font-size:14px}

/* OUTCOME */
section.cs-outcome{padding:80px 0;position:relative}
.cs-outcome-card{padding:48px;border-radius:24px;background:linear-gradient(180deg, rgba(24,17,43,.55), rgba(14,10,26,.75));border:1px solid var(--line)}
.cs-outcome-card p{font-size:16px;line-height:1.78;color:var(--ink-dim);margin:0}

/* QUOTE */
.cs-quote{margin:50px 0;padding:36px 40px;border-left:3px solid var(--violet);background:rgba(139,92,246,.05);border-radius:0 18px 18px 0}
.cs-quote p{font-family:'DM Serif Display',serif;font-style:italic;font-size:22px;line-height:1.45;color:#e6dcfb;margin:0}

/* CTA */
section.cs-cta{padding:60px 0 120px;position:relative}
.cs-cta-card{position:relative;padding:72px 40px;border-radius:32px;background:linear-gradient(180deg, rgba(24,17,43,.78), rgba(14,10,26,.88));border:1px solid var(--line);text-align:center;overflow:hidden}
.cs-cta-card::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center, rgba(139,92,246,.22), transparent 65%);pointer-events:none}
.cs-cta-orb{position:absolute;top:-120px;left:50%;transform:translateX(-50%);width:380px;height:380px;border-radius:50%;background:radial-gradient(circle, rgba(139,92,246,.3), transparent 60%);filter:blur(30px);animation:cs-orb 5s ease-in-out infinite;pointer-events:none}
@keyframes cs-orb{0%,100%{transform:translateX(-50%) scale(1);opacity:.6}50%{transform:translateX(-50%) scale(1.2);opacity:.9}}
.cs-cta-inner{position:relative;z-index:2;max-width:680px;margin:0 auto}
.cs-cta-inner h3{font-family:'DM Serif Display',serif;font-size:clamp(34px,4.4vw,54px);line-height:1.05;margin:16px 0 14px;letter-spacing:-.02em}
.cs-cta-inner h3 em{font-style:italic;color:#d8ccf5}
.cs-cta-inner p{color:var(--ink-dim);font-size:15px;line-height:1.7;max-width:480px;margin:0 auto 28px}
.cs-cta-inner .btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* SECTION HEADER */
.cs-section-head{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.cs-section-head .label{align-self:flex-start}

/* NEXT CASE */
.cs-next{margin-top:24px;padding:32px;border-radius:24px;background:linear-gradient(180deg, rgba(24,17,43,.55), rgba(14,10,26,.75));border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;transition:border-color .25s}
.cs-next:hover{border-color:var(--line-strong)}
.cs-next-l{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:6px}
.cs-next h4{font-family:'DM Serif Display',serif;font-style:italic;font-size:30px;margin:0;letter-spacing:-.01em}
.cs-next-arrow{width:60px;height:60px;border-radius:50%;background:linear-gradient(180deg,#8b5cf6,#6d28d9);display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 10px 30px -10px rgba(139,92,246,.7)}

/* FOOTER (compact) */
footer.cs-foot{padding:60px 0 40px;border-top:1px solid var(--line);position:relative}
.cs-foot-row{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px}
.cs-foot-row p{margin:0;color:var(--ink-mute);font-size:13px}
.cs-foot-links{display:flex;gap:24px;font-size:13px;color:var(--ink-dim)}
.cs-foot-links a:hover{color:var(--ink)}

/* REVEAL */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.2,.8,.2,1), transform .9s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:translateY(0)}

@media (max-width:980px){
  .nav-links{display:none}
  .cs-overview-grid,.cs-challenge-grid,.cs-approach-grid,.cs-standout-grid,.cs-standout-foot{grid-template-columns:1fr;gap:32px}
  .cs-goals-grid{grid-template-columns:1fr 1fr}
  .cs-numbers-row{grid-template-columns:1fr}
  .cs-num + .cs-num{border-left:none;border-top:1px solid var(--line)}
  .cs-meta{margin-top:20px}
}