/* Case studies: index (/case-studies) and story pages (/case-studies/<slug>). Linked after main.css. */
.cs{color:var(--text-light)}
.cs *{box-sizing:border-box}
.cs-meta{font-size:15px;color:var(--text-gray)}
.cs-btn{display:inline-block;padding:16px 28px;border-radius:6px;background:linear-gradient(135deg,#00ff88 0%,#00d4ff 100%);color:var(--primary-dark);font-size:17px;font-weight:700;text-decoration:none;text-align:center}
.cs-btn:hover{color:var(--primary-dark);box-shadow:0 8px 16px rgba(0,255,136,.25)}
.cs a:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:3px}

/* Index hero */
.cs-hero{position:relative;overflow:hidden;padding:128px 24px 96px}
.cs-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 70% at 50% 0%,rgba(24,235,238,.12),transparent 70%)}
.cs-hero-inner{position:relative;max-width:960px;margin:0 auto;text-align:center}
.cs-hero-title{margin:0 0 24px;font-size:clamp(2.75rem,7vw,5rem);line-height:1;letter-spacing:-.04em;font-weight:700;color:#fff;display:flex;flex-direction:column}
.cs-grad{background:linear-gradient(135deg,#00ff88 0%,#00d4ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.cs-hero-sub{margin:0 auto;max-width:600px;font-size:19px;line-height:1.55;color:rgba(255,255,255,.78)}

/* Cards */
.cs-cards-wrap{padding:0 24px 128px}
.cs-cards{list-style:none;margin:0 auto;padding:0;max-width:1200px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,460px),1fr));gap:24px}
.cs-card{height:100%;display:flex;flex-direction:column;border-radius:18px;border:1px solid rgba(24,235,238,.2);background:var(--card-bg);color:inherit;text-decoration:none;overflow:hidden;transition:border-color .2s,transform .2s,box-shadow .2s}
.cs-card:hover{color:inherit;border-color:rgba(24,235,238,.5);transform:translateY(-3px);box-shadow:0 20px 40px -12px rgba(24,235,238,.25)}
.cs-card-media{position:relative;height:240px;background:var(--primary-blue)}
.cs-card-media>img{width:100%;height:100%;object-fit:cover;display:block}
.cs-card-logo{position:absolute;left:24px;bottom:-32px;width:96px;height:96px;border-radius:16px;background:#fff;border:4px solid var(--card-bg);overflow:hidden;display:flex;align-items:center;justify-content:center;padding:10px}
.cs-card-logo img,.cs-story-logo img{max-width:100%;max-height:100%;object-fit:contain}
.cs-card-body{display:flex;flex-direction:column;gap:20px;padding:52px 28px 28px;flex:1 1 auto}
.cs-card-head{display:flex;flex-direction:column;gap:4px}
.cs-card-name{margin:0;font-size:24px;font-weight:700;color:#fff}
.cs-card-quote{margin:0;font-size:18px;line-height:1.5;color:var(--text-light)}
.cs-card-body--plain{padding-top:28px}
.cs-card-logo--inline{position:static;border:0}
.cs-card-figure{margin:0;display:flex;flex-direction:column;gap:10px}
.cs-card-link{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:#18EBEE}

/* Index CTA */
.cs-cta-wrap{padding:0 24px 128px}
.cs-cta{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:48px;border-radius:18px;background:var(--card-bg);border:1px solid rgba(24,235,238,.2)}
.cs-cta h2{margin:0 0 8px;font-size:32px;line-height:1.1;letter-spacing:-.02em;font-weight:700;color:#fff}
.cs-cta p{margin:0;font-size:17px;line-height:1.55;color:var(--text-gray)}

/* Story */
.cs-story-hero{padding:40px 24px 0}
.cs-back{display:inline-flex;padding:8px 0;color:#18EBEE;font-size:15px;font-weight:600;text-decoration:none}
.cs-story-logo{width:112px;height:112px;border-radius:18px;background:#fff;display:flex;align-items:center;justify-content:center;padding:14px}
.cs-kicker{display:block;margin-bottom:6px;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-green)}
.cs-story-title{margin:0;font-size:clamp(2.25rem,4.6vw,3.5rem);line-height:1.05;letter-spacing:-.03em;font-weight:700;color:#fff;text-wrap:balance}
.cs-lead{margin:0;font-size:18px;line-height:1.55;color:rgba(255,255,255,.78)}
.cs-facts{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:15px;color:var(--text-gray)}
.cs-facts b{color:var(--text-light);font-weight:600;margin-right:4px}
.cs-story-photo{aspect-ratio:4/3;border-radius:18px;overflow:hidden;background:var(--primary-blue);border:1px solid rgba(24,235,238,.2)}
.cs-story-photo img{width:100%;height:100%;object-fit:cover;display:block}
.cs-body-wrap{padding:48px 24px 112px}
.cs-body{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;gap:56px 80px}
.cs-article{flex:1 1 560px;min-width:0;display:flex;flex-direction:column;gap:72px}
.cs-article h2{margin:0 0 14px;font-size:26px;font-weight:700;color:#fff}
.cs-article p{margin:0;font-size:18px;line-height:1.7;color:rgba(255,255,255,.78)}
.cs-quote{margin:0;padding:40px;border-radius:18px;background:var(--card-bg);border:1px solid rgba(24,235,238,.2);display:flex;flex-direction:column;gap:20px}
.cs-quote-mark{font-size:64px;line-height:.6;color:#18EBEE;font-weight:800}
.cs-quote blockquote{margin:0;font-size:21px;line-height:1.5;letter-spacing:-.01em;font-weight:600;color:#fff}
.cs-quote figcaption{font-size:15px;color:var(--text-gray)}
.cs-quote figcaption b{color:var(--text-light);font-weight:600}
.cs-aside{flex:0 1 340px;min-width:0;align-self:flex-start;position:sticky;top:96px;display:flex;flex-direction:column;gap:24px}
.cs-panel{display:flex;flex-direction:column;gap:16px;padding:28px;border-radius:16px;background:var(--card-bg);border:1px solid rgba(255,255,255,.1)}
.cs-panel-label{display:block;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--text-gray)}
.cs-panel ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:16px}
.cs-panel li{display:flex;gap:10px}
.cs-panel li span{color:var(--accent-green)}
.cs-panel--cta{background:linear-gradient(135deg,rgba(0,255,136,.1),rgba(0,212,255,.1));border-color:rgba(0,255,136,.35);gap:14px}
.cs-panel-title{font-size:20px;font-weight:700;color:#fff;line-height:1.25}
.cs-next-wrap{padding:0 24px 120px}
.cs-next-wrap>.cs-next{max-width:1200px;margin:0 auto}
.cs-next{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:36px 40px;border-radius:18px;border:1px solid rgba(24,235,238,.2);background:var(--card-bg);color:inherit;text-decoration:none}
.cs-next:hover{color:inherit;border-color:rgba(24,235,238,.5)}
.cs-next-name{display:block;margin-top:4px;font-size:28px;font-weight:700;color:#fff}
.cs-next-arrow{font-size:28px;color:#18EBEE}

.cs-wrap{max-width:1200px;margin:0 auto}
.cs-btn--block{display:block;padding:14px 20px;font-size:16px}
.cs-story-intro{display:flex;flex-direction:column;gap:24px;max-width:820px;padding:40px 0 24px}
.cs-section{display:flex;flex-direction:column;gap:18px}
.cs-section-label{font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-green)}
.cs-article .cs-section h2{margin:0}
.cs-items{list-style:none;margin:4px 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:12px}
/* Four items: 2 x 2 instead of 3 + 1 */
.cs-items:has(> li:nth-child(4)){grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.cs-items li{display:flex;flex-direction:column;gap:6px;padding:18px 20px;border-radius:12px;background:var(--card-bg);border:1px solid rgba(255,255,255,.08)}
.cs-items b{font-size:16px;color:#fff}
.cs-items span{font-size:15px;line-height:1.55;color:var(--text-gray)}
.cs-quote blockquote p{margin:0 0 14px;font-size:inherit;line-height:inherit;color:inherit}
.cs-quote blockquote p:last-child{margin:0}

/* Closing testimonial: full width, set apart from the story */
.cs-final{position:relative;overflow:hidden;padding:112px 24px;margin-bottom:96px;border-top:1px solid rgba(24,235,238,.15);border-bottom:1px solid rgba(24,235,238,.15);background:radial-gradient(ellipse 70% 80% at 50% 0%,rgba(0,255,136,.08),transparent 70%),var(--card-bg)}
.cs-final-inner{max-width:900px;margin:0 auto;display:flex;flex-direction:column;align-items:center;gap:24px;text-align:center}
.cs-final-stars{font-size:22px;letter-spacing:4px;color:#facc15}
.cs-final-quote{margin:0;font-size:clamp(1.5rem,3vw,2.125rem);line-height:1.35;letter-spacing:-.02em;font-weight:700;color:#fff;text-wrap:balance}
.cs-final-quote p{margin:0 0 20px}
.cs-final-quote p:last-child{margin:0}
.cs-final-by{display:flex;align-items:center;gap:14px;margin-top:8px;text-align:left}
.cs-final-logo{width:56px;height:56px;border-radius:12px;padding:8px}
.cs-final-by b{display:block;font-size:17px;color:#fff}
.cs-final-by span span{font-size:15px;color:var(--text-gray)}

@media (max-width:720px){
  .cs-hero{padding:88px 20px 64px}
  .cs-cta,.cs-quote,.cs-next{padding:28px}
  .cs-aside{position:static}
  .cs-quote blockquote{font-size:19px}
  .cs-story-hero{padding-top:24px}
  .cs-final{padding:72px 20px;margin-bottom:64px}
}
@media (prefers-reduced-motion:reduce){.cs-card{transition:none}.cs-card:hover{transform:none}}