.old-parchment {
    font-family: 'Georgia', serif;
    line-height: 1.8;
    background-color: #f4e4bc;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.1'/%3E%3C/svg%3E");
    color: #4a3728;
    padding: 50px 70px;
    border: 8px solid #8b4513;
    border-radius: 5px;
    box-shadow: inset 0 0 30px rgba(139, 69, 19, 0.3), 0 4px 12px rgba(0,0,0,0.15);
    min-height: 450px;
    position: relative;
}

.old-parchment::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, transparent 0%, rgba(139, 69, 19, 0.1) 100%);
    pointer-events: none;
}

.old-parchment .stamp {
    position: absolute;
    top: 25px;
    right: 25px;
    width: 70px;
    height: 85px;
    background: linear-gradient(135deg, #cd7f32 0%, #8b4513 100%);
    border: 3px solid #deb887;
    border-style: double;
    color: #fff;
    font-size: 11px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transform: rotate(-3deg);
    box-shadow: 3px 3px 8px rgba(0,0,0,0.3);
}

.old-parchment .stamp::before {
    content: '✉';
    font-size: 24px;
    margin-bottom: 8px;
}

.old-parchment .letter-header {
    text-align: center;
    margin-bottom: 40px;
    font-size: 14px;
    color: #6b4423;
    border-bottom: 1px solid #8b4513;
    padding-bottom: 15px;
}

.old-parchment .letter-salutation {
    margin-bottom: 25px;
    font-size: 18px;
    color: #5d4037;
}

.old-parchment .letter-body {
    text-align: justify;
    font-size: 15px;
    margin-bottom: 35px;
}

.old-parchment .letter-signature {
    text-align: right;
    font-style: italic;
    font-size: 16px;
    margin-top: 50px;
    color: #5d4037;
}