* { margin: 0; padding: 0; box-sizing: border-box; }

        body {
            min-height: 100vh;
            background: #0f0f1a;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #e2e8f0;
        }

        .container {
            text-align: center;
            padding: 2rem;
            max-width: 700px;
            width: 100%;
        }

        .title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            background: linear-gradient(135deg, #42d392, #647eff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        
        .title-sr {
            position: absolute;
            width: 1px; height: 1px;
            padding: 0; margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            white-space: nowrap;
            border: 0;
        }

        .subtitle {
            font-size: 1rem;
            color: #94a3b8;
            margin-bottom: 3rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .labs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
			list-style:none;
        }

        .lab-card {
            background: #1e1e2e;
            border: 1px solid #3a3a54;
            border-radius: 16px;
            padding: 2rem 1.5rem;
            text-decoration: none;
            color: inherit;
            transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 0.75rem;
            position: relative;
            overflow: hidden;
        }


        .lab-card:focus-visible {
            outline: 3px solid #42d392;
            outline-offset: 3px;
        }

        .lab-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 3px;
            background: linear-gradient(90deg, #42d392, #647eff);
            opacity: 0;
            transition: opacity 0.2s;
        }

        .lab-card:hover {
            transform: translateY(-4px);
            border-color: #42d392;
            box-shadow: 0 12px 40px rgba(66, 211, 146, 0.15);
        }

        .lab-card:hover::before { opacity: 1; }

        .lab-number {
            font-size: 0.75rem;
            font-weight: 700;
            color: #5eead4;
            text-transform: uppercase;
            letter-spacing: 0.1em;
        }

        .lab-title {
            font-size: 1.25rem;
            font-weight: 600;
            color: #f1f5f9;
        }

        .lab-desc {
            font-size: 0.875rem;
            color: #b0bcd4;
            line-height: 1.5;
        }

        .lab-arrow {
            margin-top: auto;
            color: #a5b4fc;
            font-size: 1.25rem;
            transition: transform 0.2s;
            aria-hidden: true;
        }

        .lab-card:hover .lab-arrow { transform: translateX(4px); }