.page-header {
            text-align: center;
            padding: 60px 20px;
            background: rgba(0, 0, 0, 0.4);
            border-bottom: 2px solid var(--primary-gold);
            margin-bottom: 50px;
        }

        .page-header h1 {
            color: var(--primary-gold);
            font-size: 48px;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            margin-bottom: 15px;
        }

        .page-header p {
            color: white;
            font-size: 18px;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .certs-container {
            max-width: 1200px;
            margin: 0 auto 80px;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        @media (max-width: 900px) {
            .certs-container {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .page-header h1 {
                font-size: 32px !important;
            }
            .main-header {
                justify-content: center !important;
            }
        }

        .cert-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            transition: 0.4s;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .cert-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--primary-gold);
            transform: scaleX(0);
            transition: transform 0.4s ease;
        }

        .cert-card:hover {
            transform: translateY(-10px);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
        }

        .cert-card:hover::before {
            transform: scaleX(1);
        }

        .cert-icon {
            width: 80px;
            height: 80px;
            background: var(--primary-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 35px;
            color: white;
            margin: 0 auto 25px;
            box-shadow: 0 5px 15px rgba(184, 134, 11, 0.4);
        }

        .cert-card h3 {
            color: var(--bg-white);
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 15px;
            letter-spacing: 0.5px;
        }

        .cert-card p {
            color: #ddd;
            font-size: 15px;
            line-height: 1.6;
            margin-bottom: 25px;
            flex-grow: 1;
        }

        .cert-image {
            width: 100%;
            height: 450px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
            overflow: hidden;
            transition: transform 0.3s ease;
        }

        .cert-card:hover .cert-image {
            transform: scale(1.02);
            border-color: var(--primary-gold);
        }

        .cert-image img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            cursor: pointer;
        }