body {
    margin: 0;
    padding: 0;
    font-family: 'Figtree', Arial, sans-serif;
    background: #f8f9fa;
    min-height: 100vh;
}

.container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.error-code {
    font-size: 7rem;
    margin: 0 0 20px 0;
    color: #222529;
    font-weight: 700;
    letter-spacing: 2px;
}

.error-img {
    margin-top: 0;
    width: 260px;
    max-width: 80vw;
    display: block;
}

.error-title {
    margin-top: 30px;
    font-size: 2rem;
    color: #222529;
    font-weight: 700;
    text-align: center;
}

.btn-container {
    text-align: center;
    margin-top: 18px;
    width: 100%;
    max-width: 400px;
}

.error-msg {
    margin-bottom: 22px;
    color: #7a7a7a;
    font-size: 1.1rem;
    font-weight: 400;
}

.primary-btn {
    display: inline-block;
    background: #22d3c5;
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 12px 0;
    font-size: 1.1rem;
    font-weight: 500;
    width: 100%;
    text-align: center;
    text-decoration: none;
    transition: background 0.2s;
    cursor: pointer;
}

.primary-btn:hover {
    background: #1bb3a6;
}