/* :root tokens now in /Assets/site.css */
        /* * reset now in /Assets/site.css */
        html { scroll-behavior: smooth; }
        body { background-color: var(--bg); color: var(--text-main); font-family: var(--font-body); overflow-x: hidden; font-size: 18px; }

        /* nav + mobile menu now in /Assets/site.css */

        .kicker { font-family: var(--font-body); font-weight: 600; color: var(--accent); font-size: 0.85rem; letter-spacing: 0.3em; text-transform: uppercase; margin-bottom: 2rem; display: inline-block; border: 1px solid var(--accent-dim); padding: 0.6rem 1.5rem; border-radius: 50px; background: rgba(216, 180, 254, 0.05); }
        h2 { font-family: var(--font-head); font-size: clamp(2rem, 5vw, 4.5rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; text-transform: uppercase; }
        section { padding: 15vh 6vw; display: flex; flex-direction: column; justify-content: center; position: relative; }

        .page-hero { min-height: 60vh; display: flex; flex-direction: column; justify-content: flex-end; padding: 0 6vw 8vh; position: relative; padding-top: 12vh; }
        .page-hero::before { content:''; position:absolute; inset:0; background: radial-gradient(ellipse 70% 55% at 50% 42%, rgba(139,92,246,0.08) 0%, transparent 68%); pointer-events:none; }
        .page-hero > * { position: relative; z-index: 1; }
        .page-hero h1 { font-family: var(--font-head); font-size: clamp(2.5rem, 6vw, 6rem); font-weight: 700; text-transform: uppercase; letter-spacing: -0.02em; line-height: 1.1; }
        .page-desc { font-family: var(--font-body); font-size: clamp(1rem, 1.4vw, 1.2rem); color: var(--text-muted); font-weight: 500; max-width: 600px; line-height: 1.7; margin-top: 1.5rem; }
        .breadcrumb { font-family: var(--font-body); font-size: 0.78rem; letter-spacing: 0.25em; text-transform: uppercase; color: var(--text-muted); font-weight: 600; margin-bottom: 2rem; }
        .breadcrumb a { color: var(--accent); text-decoration: none; }
        /* .fade-up utility now in /Assets/site.css */

        /* --- Card 3D entrance --- */
        .case-card { opacity: 0; transform: perspective(800px) translateY(50px) rotateX(-4deg); }
        .case-card.in-view { opacity: 1; transform: perspective(800px) translateY(0) rotateX(0); transition: opacity 0.9s var(--ease-out), transform 1s var(--ease-out), border-color 0.4s, box-shadow 0.4s; }

        /* Filter tabs stagger */
        .filter-tab { opacity: 0; transform: translateY(15px); transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), background 0.3s, border-color 0.3s, color 0.3s; }
        .filter-tab.in-view { opacity: 1; transform: translateY(0); }

        /* --- Case Studies Grid --- */
        .cases-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin-top: 4rem; align-items: stretch; }
        .case-card { position: relative; border-radius: 20px; overflow: hidden; background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.05); transition: border-color 0.4s, transform 0.4s, box-shadow 0.4s; display: flex; flex-direction: column; height: 100%; }
        .case-card:hover { border-color: var(--accent-dim); transform: translateY(-6px); box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(216,180,254,0.15); }
        .case-thumb { width: 100%; aspect-ratio: 16/10; background-size: cover; background-position: center; position: relative; overflow: hidden; flex-shrink: 0; transition: transform 0.6s ease; }
        .case-card:hover .case-thumb { transform: scale(1.04); }
        .case-thumb::after { content:''; position:absolute; inset:0; background: linear-gradient(180deg, rgba(2,2,4,0) 40%, rgba(2,2,4,0.85) 100%); pointer-events: none; }
        .case-thumb-tag { position: absolute; top: 1.5rem; left: 1.5rem; z-index: 2; background: rgba(0,0,0,0.55); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.12); padding: 0.5rem 1rem; border-radius: 100px; font-family: var(--font-num); font-size: 0.62rem; letter-spacing: 0.22em; color: var(--accent); font-weight: 700; text-transform: uppercase; }
        .case-body { padding: 2rem 2.5rem 2.5rem; display: flex; flex-direction: column; flex: 1; }
        .case-tag { display: none; }
        .case-card h3 { font-family: var(--font-head); font-size: clamp(1.2rem, 1.8vw, 1.6rem); font-weight: 700; text-transform: uppercase; letter-spacing: 0.02em; margin-bottom: 1rem; line-height: 1.2; }
        .case-card p { color: var(--text-muted); font-size: 0.98rem; line-height: 1.7; font-weight: 500; margin-bottom: 1.8rem; flex: 1; }
        .case-results { display: flex; gap: 2rem; flex-wrap: wrap; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.06); }
        .case-result { display: flex; flex-direction: column; }
        .case-result-value { font-family: var(--font-num); font-size: clamp(1.3rem, 2vw, 1.7rem); font-weight: 700; color: #fff; letter-spacing: -0.01em; }
        .case-result-label { font-size: 0.72rem; color: var(--text-muted); font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; margin-top: 0.3rem; }

        /* --- Featured Case (full width, side-by-side) --- */
        .case-card.featured { grid-column: span 2; flex-direction: row; min-height: 460px; }
        .case-card.featured .case-thumb { width: 55%; aspect-ratio: auto; height: auto; flex-shrink: 0; }
        .case-card.featured .case-thumb::after { background: linear-gradient(90deg, rgba(2,2,4,0) 40%, rgba(2,2,4,0.6) 100%); }
        .case-card.featured .case-body { padding: 3rem 3.5rem; justify-content: center; flex: 1; }
        .case-card.featured h3 { font-size: clamp(1.6rem, 2.6vw, 2.4rem); margin-bottom: 1.4rem; }
        .case-card.featured p { font-size: 1.05rem; margin-bottom: 2.2rem; flex: 0; }
        .case-card.featured .case-result-value { font-size: clamp(1.6rem, 2.2vw, 2rem); }

        /* --- Filter Tabs --- */
        .filter-tabs { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 3rem; }
        .filter-tab { background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08); color: var(--text-muted); padding: 0.6rem 1.5rem; border-radius: 100px; font-family: var(--font-body); font-weight: 600; font-size: 0.82rem; letter-spacing: 0.15em; text-transform: uppercase; cursor: pointer; transition: all 0.3s; }
        .filter-tab:hover, .filter-tab.active { background: var(--accent-dim); border-color: var(--accent); color: #fff; }

        .page-cta { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 2rem; padding: 12vh 6vw; }
        .page-cta::before { content:''; position:absolute; inset:0; background: radial-gradient(ellipse 60% 50% at 50% 50%, rgba(139,92,246,0.06) 0%, transparent 70%); pointer-events:none; }
        .cta-btn { display: inline-flex; align-items: center; gap: 12px; background: #fff; color: #000; padding: 1.2rem 3rem; border: none; border-radius: 100px; font-family: var(--font-body); font-weight: 700; font-size: 1rem; letter-spacing: 0.2em; text-transform: uppercase; text-decoration: none; transition: transform 0.3s, box-shadow 0.3s; position: relative; z-index: 1; }
        .cta-btn:hover { transform: scale(1.05); box-shadow: 0 8px 40px rgba(168,85,247,0.3); }

        /* footer now in /Assets/site.css */
        .social-links a { color: var(--text-muted); text-decoration: none; font-weight: 600; text-transform: uppercase; letter-spacing: 0.15em; font-size: 0.85rem; transition: color 0.3s; }
        .social-links a:hover { color: #fff; }

        /* .grain now in /Assets/site.css */

        @media (max-width: 1024px) {
            .cases-grid { grid-template-columns: 1fr; }
            .case-card.featured { grid-column: span 1; flex-direction: column; min-height: 0; }
            .case-card.featured .case-thumb { width: 100%; aspect-ratio: 16/10; }
            .case-card.featured .case-thumb::after { background: linear-gradient(180deg, rgba(2,2,4,0) 40%, rgba(2,2,4,0.85) 100%); }
            .case-card.featured .case-body { padding: 2rem 2.5rem 2.5rem; }
            section { padding: 10vh 5vw; }
            /* .grain + footer responsive now in /Assets/site.css */
        }
        @media (max-width: 600px) {
            .page-hero h1 { font-size: clamp(1.8rem, 8vw, 3rem); }
            .case-body { padding: 1.5rem 1.8rem 2rem; }
            .case-results { gap: 1.5rem; }
            /* .footer-grid responsive now in /Assets/site.css */
        }