.ref-hero{background:radial-gradient(circle at center bottom,#0f172a 0,#1e1b4b 100%);padding:140px 0 100px;position:relative;text-align:center;color:white;border-bottom:1px solid rgba(255,255,255,0.05)}.hero-bg{position:absolute;inset:0;opacity:.05;background-image:url("data:image/svg+xml,%3Csvgwidth='20'height='20'viewBox='002020'xmlns='http://www.w3.org/2000/svg'%3E%3Cgfill='%23ffffff'fill-opacity='1'fill-rule='evenodd'%3E%3Ccirclecx='3'cy='3'r='3'/%3E%3Ccirclecx='13'cy='13'r='3'/%3E%3C/g%3E%3C/svg%3E")}.hero-content{position:relative;z-index:10;max-width:800px;margin:0 auto;padding:0 24px}.hero-badge{display:inline-block;padding:6px 16px;border-radius:50px;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);color:#93c5fd;font-size:.85rem;font-weight:600;margin-bottom:20px}.hero-title{font-size:3.5rem;font-weight:800;margin-bottom:15px;letter-spacing:-1px}.hero-desc{color:#cbd5e1;font-size:1.2rem;max-width:600px;margin:0 auto;line-height:1.6}.ref-body{background:#f8fafc;padding:60px 0 120px}.ref-container{max-width:1200px;margin:0 auto;padding:0 24px}.filter-nav{display:flex;justify-content:center;gap:10px;margin-bottom:50px;flex-wrap:wrap}.filter-btn{padding:10px 25px;border-radius:30px;border:1px solid #e2e8f0;background:white;color:#64748b;font-weight:600;cursor:pointer;transition:.3s}.filter-btn:hover,.filter-btn.active{background:#0f172a;color:white;border-color:#0f172a;box-shadow:0 10px 20px -5px rgba(15,23,42,0.3)}.logo-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}.logo-card{background:white;border-radius:16px;height:110px;border:1px solid #e2e8f0;position:relative;overflow:hidden;transition:all .4s ease;padding:0}.logo-card a{display:flex;align-items:center;justify-content:center;width:100%;height:100%;text-decoration:none}.logo-img{max-width:100%;max-height:100%;filter:grayscale(100%) opacity(0.6);transition:.4s;object-fit:contain}.logo-card:hover{transform:translateY(-5px);border-color:white;box-shadow:0 20px 40px -10px rgba(0,0,0,0.1);z-index:2}.logo-card:hover .logo-img{filter:grayscale(0) opacity(1);transform:scale(1.1)}.project-tag{position:absolute;bottom:0;left:0;right:0;background:#3b82f6;color:white;font-size:.75rem;font-weight:700;text-align:center;padding:5px;transform:translateY(100%);transition:.3s}.logo-card:hover .project-tag{transform:translateY(0)}@media(max-width:1024px){.logo-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:640px){.logo-grid{grid-template-columns:repeat(2,1fr)}.hero-title{font-size:2.5rem}}