.modern-stationary {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    background-color: #ffffff;
    color: #333;
    padding: 50px;
    border-left: 8px solid #007bff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    min-height: 400px;
    position: relative;
}

.modern-stationary::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    opacity: 0.1;
    clip-path: polygon(100% 0, 100% 100%, 0 100%);
}

.modern-stationary .stamp {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 55px;
    height: 65px;
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: #fff;
    font-size: 9px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transform: rotate(8deg);
    box-shadow: 2px 2px 6px rgba(0,0,0,0.15);
}

.modern-stationary .stamp::before {
    content: '✈';
    font-size: 18px;
    margin-bottom: 5px;
}

.modern-stationary .letter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
    padding-bottom: 20px;
    border-bottom: 2px solid #e9ecef;
}

.modern-stationary .letter-header .date {
    color: #6c757d;
    font-size: 13px;
}

.modern-stationary .letter-header .from {
    font-weight: 600;
    color: #007bff;
}

.modern-stationary .letter-salutation {
    margin-bottom: 20px;
    font-weight: 500;
    font-size: 16px;
}

.modern-stationary .letter-body {
    font-size: 14px;
    margin-bottom: 30px;
    color: #495057;
}

.modern-stationary .letter-signature {
    text-align: right;
    font-weight: 500;
    margin-top: 40px;
    color: #007bff;
}