/* Kailvex case-study and authority layer */
.case-study-hero{position:relative;padding:145px 0 82px;overflow:hidden;background:linear-gradient(145deg,#fff,#f3f8ff)}
.case-study-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(7,93,226,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(7,93,226,.04) 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(115deg,#000,transparent 80%)}
.case-study-hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(380px,.86fr);gap:55px;align-items:center}
.case-study-hero h1{margin-top:20px;font-size:clamp(2.8rem,5vw,5.15rem);line-height:.96;max-width:760px}.case-study-hero .lead{margin-top:24px;max-width:720px;color:#566981;font-size:clamp(1rem,1.4vw,1.14rem)}
.case-study-proof{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}.case-study-proof span{padding:9px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;color:#38516f;font-size:.72rem;font-weight:850}
.case-study-hero__image{position:relative;padding:16px;border:1px solid var(--line);border-radius:32px;background:rgba(255,255,255,.8);box-shadow:0 30px 75px rgba(4,35,88,.14);transform:rotate(1.2deg);animation:caseFloat 6s ease-in-out infinite}.case-study-hero__image img{display:block;width:100%;height:auto;border-radius:22px}
.case-study-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.case-study-card{position:relative;display:flex;flex-direction:column;min-height:390px;padding:26px;border:1px solid var(--line);border-radius:28px;background:#fff;box-shadow:0 14px 38px rgba(4,35,88,.055);transition:transform .35s var(--ease),box-shadow .35s ease,border-color .35s ease}.case-study-card:hover{transform:translateY(-8px);border-color:rgba(7,93,226,.24);box-shadow:0 28px 64px rgba(4,43,108,.12)}
.case-study-card__logo{width:72px;height:72px;display:grid;place-items:center;padding:10px;border:1px solid #e1ebf6;border-radius:20px;background:#fff}.case-study-card__logo img{max-width:100%;max-height:100%;object-fit:contain}.case-study-card small{margin-top:24px;color:var(--blue-700);font-size:.68rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.case-study-card h2,.case-study-card h3{margin-top:10px;font-size:1.35rem;line-height:1.16}.case-study-card p{margin-top:13px;color:var(--muted);font-size:.88rem}.case-study-card__link{display:inline-flex;align-items:center;gap:8px;margin-top:auto;padding-top:22px;color:var(--blue-700);font-size:.8rem;font-weight:900}
.case-study-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}.case-study-facts div{padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff}.case-study-facts strong{display:block;font-size:.76rem;color:#24456e}.case-study-facts span{display:block;margin-top:7px;color:var(--muted);font-size:.78rem}
.case-study-content{max-width:860px}.case-study-content h2{margin-top:48px;font-size:clamp(2rem,3.3vw,3.25rem)}.case-study-content p,.case-study-content li{margin-top:15px;color:#52657c;font-size:1rem;line-height:1.78}.case-study-content ul{padding-left:21px}.case-study-disclosure{margin-top:42px;padding:22px;border:1px solid #dbe9f7;border-radius:20px;background:#f6faff;color:#4b617a;font-size:.84rem}.case-study-disclosure strong{color:#15365f}
.case-study-related{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.case-study-related a{padding:22px;border:1px solid var(--line);border-radius:22px;background:#fff;transition:.3s ease}.case-study-related a:hover{transform:translateY(-5px);box-shadow:var(--shadow-sm)}.case-study-related strong{display:block;font-size:1rem}.case-study-related span{display:block;margin-top:8px;color:var(--muted);font-size:.8rem}
.article-author__links{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}.article-author__links a{padding:8px 11px;border:1px solid rgba(7,93,226,.15);border-radius:999px;color:var(--blue-700);font-size:.7rem;font-weight:850;background:#f7fbff}
.portfolio-page .case-study-link{display:inline-flex;align-items:center;gap:7px;margin-top:12px;color:var(--blue-700);font-size:.76rem;font-weight:900}
@keyframes caseFloat{50%{transform:translateY(-8px) rotate(-.8deg)}}
@media(max-width:1000px){.case-study-hero__grid{grid-template-columns:1fr}.case-study-hero__image{max-width:720px}.case-study-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.case-study-hero{padding:120px 0 62px}.case-study-hero h1{font-size:clamp(2.45rem,12vw,4rem)}.case-study-grid,.case-study-related,.case-study-facts{grid-template-columns:1fr}.case-study-card{min-height:340px}.case-study-hero__image{padding:9px;border-radius:23px}.case-study-hero__image img{border-radius:16px}}


/* 2026-06-27 case study card logo and performance refinement */
.case-study-card{overflow:hidden;isolation:isolate}
.case-study-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--blue-700),var(--blue-500),var(--cyan));transform:scaleX(.28);transform-origin:left;transition:transform .45s var(--ease)}
.case-study-card:hover::before{transform:scaleX(1)}
.case-study-card__logo{
  position:relative;width:100%;height:104px;display:flex;align-items:center;justify-content:flex-start;
  padding:18px 20px;overflow:hidden;border:1px solid #e1ebf6;border-radius:22px;
  background:linear-gradient(145deg,#ffffff,#f6faff);box-shadow:inset 0 0 0 1px rgba(255,255,255,.72)
}
.case-study-card__logo::after{content:"CLIENT PROJECT";position:absolute;right:16px;top:15px;color:#a5b5c8;font-size:.55rem;font-weight:900;letter-spacing:.14em}
.case-study-card__logo img{
  display:block!important;width:auto!important;height:auto!important;max-width:min(72%,290px)!important;max-height:66px!important;
  object-fit:contain!important;object-position:left center!important;transform:translateZ(0);transition:transform .45s var(--ease),filter .45s ease
}
.case-study-card:hover .case-study-card__logo img{transform:translateX(4px) scale(1.025);filter:saturate(1.06)}
.case-study-card small{margin-top:21px}
.case-study-card h2,.case-study-card h3{position:relative;z-index:1}
@media(max-width:680px){.case-study-card__logo{height:92px;padding:15px 17px}.case-study-card__logo img{max-width:78%!important;max-height:58px!important}.case-study-card__logo::after{right:13px;top:12px;font-size:.5rem}}