.thank-you-section {
        display: flex;
        justify-content: center;
        align-items: center;
        min-height: calc(100vh - 100px);
        padding: 40px 20px;
        background-color: #f8f9fa;
    }

    .thank-you-card {
        position: relative;
        background: white;
        border-radius: 10px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        padding: 50px 40px;
        max-width: 650px;
        text-align: center;
        border: 1px solid #e0e0e0;
        transform-style: preserve-3d;
    }

    .envelope-flap {
        position: absolute;
        top: -20px;
        left: 50%;
        transform: translateX(-50%);
        width: 120px;
        height: 30px;
        background-color: #e9ecef;
        clip-path: polygon(0 0, 100% 0, 85% 100%, 15% 100%);
        z-index: 1;
    }

    .thank-you-icon {
        width: 80px;
        height: 80px;
        margin: 0 auto 20px;
    }

    .thank-you-card h1 {
        color: #1a73e8;
        font-size: 2.8rem;
        margin-bottom: 10px;
        font-weight: 600;
    }

    .thank-you-card h2 {
        color: #202124;
        font-size: 1.8rem;
        margin-bottom: 25px;
        font-weight: 500;
    }

    .appreciation-text {
        color: #5f6368;
        font-size: 1.1rem;
        line-height: 1.8;
        margin-bottom: 30px;
        max-width: 550px;
        margin-left: auto;
        margin-right: auto;
    }

    .contact-info {
        margin-top: 35px;
        padding-top: 25px;
        border-top: 1px solid #e8eaed;
        font-size: 1rem;
        color: #70757a;
    }

    .contact-info p {
        margin: 8px 0;
        line-height: 1.5;
    }

    .contact-links {
        display: flex;
        justify-content: center;
        gap: 30px;
        margin-top: 20px;
        flex-wrap: wrap;
    }

    .contact-links a {
        display: flex;
        align-items: center;
        gap: 8px;
        color: #1a73e8;
        text-decoration: none;
        transition: all 0.3s ease;
    }

    .contact-links a:hover {
        color: #0d47a1;
        transform: translateY(-2px);
    }

    @media (max-width: 768px) {
        .thank-you-card {
            padding: 40px 25px;
        }
        
        .thank-you-card h1 {
            font-size: 2.3rem;
        }
        
        .thank-you-card h2 {
            font-size: 1.5rem;
        }
        
        .contact-links {
            flex-direction: column;
            gap: 15px;
        }
    }