*{box-sizing:border-box}.case-page{color:#171717;background:#fff;height:100svh;font-family:Arial,Helvetica,sans-serif;overflow:hidden}.case-header{z-index:20;background:#fffffff2;border-bottom:1px solid #e4e4e1;justify-content:space-between;align-items:center;height:50px;padding:0 24px;display:flex;position:relative}.case-header a{color:#222;font-size:14px;text-decoration:none}.case-brand{align-items:center;gap:12px;font-weight:700;display:flex;color:#6aaed8!important}.case-brand span{color:#222;background:#f1f1ef;border-radius:50%;place-items:center;width:28px;height:28px;font-size:17px;display:grid}.case-header nav{gap:40px;display:flex}.case-shell{grid-template-columns:202px minmax(0,1fr);height:calc(100svh - 50px);display:grid}.case-index{z-index:10;background:#fff;border-right:1px solid #ddd;flex-direction:column;gap:11px;height:100%;padding:24px;display:flex}.case-index a{color:#777;text-transform:uppercase;font-size:13px;line-height:1.1;text-decoration:none;transition:color .2s,transform .2s}.case-index a:hover,.case-index a.active{color:#111;transform:translate(4px)}.case-index a.active:before{content:"•";color:var(--case-accent);margin-right:7px}.case-scroll{scroll-behavior:smooth;height:100%;overflow-y:scroll}.case-hero-art{background:linear-gradient(135deg,color-mix(in srgb,var(--case-accent) 25%,#fff),color-mix(in srgb,var(--case-accent) 58%,#f5efe8));place-items:center;height:min(65vw,608px);min-height:480px;padding:62px 7vw;display:grid;overflow:hidden}.case-browser{aspect-ratio:1.48;background:#fff;border:10px solid #151515;border-bottom-width:22px;border-radius:18px 18px 8px 8px;width:min(720px,78%);transition:transform .6s cubic-bezier(.2,.7,.2,1);transform:perspective(900px)rotateX(1deg);box-shadow:0 28px 55px #00000038}.case-hero-art:hover .case-browser{transform:perspective(900px)rotateX(0)translateY(-8px)scale(1.015)}.case-browser-bar{color:#777;border-bottom:1px solid #ddd;align-items:center;gap:7px;height:34px;padding:0 12px;font-size:11px;display:flex}.case-browser-bar i{background:#ddd;border-radius:50%;width:7px;height:7px}.case-browser-bar span{margin-left:auto;margin-right:auto}.case-browser-body{grid-template-columns:82px 1fr;height:calc(100% - 34px);display:grid}.case-ui-rail{background:#f5f6f7;flex-direction:column;gap:14px;padding:18px 12px;display:flex}.case-ui-rail b{color:var(--case-accent);font-size:17px}.case-ui-rail span,.case-ui-top span,.case-ui-title,.case-ui-lines span{background:#d8dcdf;border-radius:10px;height:7px;display:block}.case-ui-main{padding:20px}.case-ui-top{justify-content:flex-end;gap:8px;display:flex}.case-ui-top span{width:64px}.case-ui-title{background:#8b9298;width:42%;height:15px;margin:36px 0 20px}.case-ui-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.case-ui-grid i{background:color-mix(in srgb,var(--case-accent) 16%,#eef0f2);border-radius:6px;height:92px}.case-ui-lines{gap:11px;margin-top:22px;display:grid}.case-ui-lines span:nth-child(2){width:82%}.case-ui-lines span:nth-child(3){width:66%}.case-intro{grid-template-columns:1fr 220px;align-items:end;gap:56px;max-width:900px;margin:0 auto;padding:48px 0 56px;display:grid}.case-kicker,.case-section-label,.case-other>p{color:var(--case-accent);letter-spacing:.04em;font-size:13px}.case-intro h1{letter-spacing:-.045em;margin:10px 0 22px;font-size:clamp(38px,4vw,60px);line-height:.98}.case-intro p:not(.case-kicker){color:#666;max-width:620px;font-size:18px;line-height:1.45}.case-intro>a{color:#222;text-underline-offset:6px;justify-self:end}.case-meta{grid-template-columns:repeat(4,1fr);gap:28px;max-width:900px;margin:0 auto;padding:0 0 72px;display:grid}.case-meta dt{color:var(--case-accent);margin-bottom:9px;font-size:12px}.case-meta dd{color:#555;margin:0;font-size:14px;line-height:1.4}.case-section{max-width:900px;margin:0 auto;padding:90px 0}.case-section-label{margin-bottom:20px}.case-section h2{letter-spacing:-.045em;max-width:820px;margin:0 0 34px;font-size:clamp(36px,4.1vw,58px);line-height:1.02}.case-prose{max-width:760px}.case-prose p{color:#555;margin:0 0 20px;font-size:18px;line-height:1.62}.case-visual{background:linear-gradient(140deg,color-mix(in srgb,var(--case-accent) 18%,#fafafa),color-mix(in srgb,var(--case-accent) 46%,#eee));border-radius:2px;width:100%;height:520px;margin-top:62px;padding:55px;overflow:hidden}.visual-window{background:#fff;border-radius:12px;grid-template-columns:repeat(3,1fr);align-content:start;gap:14px;height:100%;padding:28px;display:grid;box-shadow:0 25px 60px #00000026}.visual-window>span{background:#dcdfe1;border-radius:20px;height:12px}.visual-window>div{background:color-mix(in srgb,var(--case-accent) 16%,#f5f5f5);border-radius:8px;height:250px;margin-top:25px}.case-section:nth-of-type(2n) .case-visual{width:calc(100% + 14vw);margin-left:-7vw}.case-other{border-top:1px solid #ddd;padding:90px max(24px,8vw)}.case-other>div{grid-template-columns:repeat(3,1fr);gap:24px;display:grid}.case-other a{color:#222;background:#f5f5f2;flex-direction:column;justify-content:flex-end;min-height:210px;padding:22px;text-decoration:none;transition:transform .35s,background .35s;display:flex}.case-other a:hover{background:color-mix(in srgb,var(--case-accent) 14%,#f5f5f2);transform:translateY(-6px)}.case-other span{color:#777;margin-bottom:8px;font-size:13px}.case-other b{font-size:22px}.case-footer{border-top:1px solid #ddd;justify-content:space-between;align-items:end;height:130px;padding:30px 8vw;display:flex}.case-footer a{color:#222}.art-delta-permanent-bag-tag{--case-accent:#678fd1}.art-amex-employee-platform{--case-accent:#64aac8}.art-tql-shell-ribbon{--case-accent:#e56f54}@media (max-width:800px){.case-page{height:auto;overflow:visible}.case-header{position:sticky;top:0}.case-header nav{gap:18px}.case-shell{height:auto;display:block}.case-index{display:none}.case-scroll{height:auto;overflow:visible}.case-hero-art{height:68vw;min-height:360px;padding:40px 20px}.case-browser{width:92%}.case-intro,.case-meta,.case-section{margin-left:24px;margin-right:24px}.case-intro{grid-template-columns:1fr}.case-intro>a{justify-self:start}.case-meta{grid-template-columns:1fr 1fr}.case-visual{height:390px;padding:28px}.case-section:nth-of-type(2n) .case-visual{width:100%;margin-left:0}.case-other>div{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.case-scroll{scroll-behavior:auto}.case-browser,.case-index a,.case-other a{transition:none}}