:root {
    --primary: #1f3a5f;
    --secondary: #5c6f82;
    --background: #f4f6f8;
    --card-bg: #ffffff;
    --border: #e1e5ea;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: var(--background);
    color: #2b2b2b;
    line-height: 1.7;
}

.page-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    background: #181415;
}

.card {
    background: var(--card-bg);
    max-width: 900px;
    width: 100%;
    padding: 50px;
    border-radius: 10px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.header {
    text-align: center;
    border-bottom: 1px solid var(--border);
    padding-bottom: 25px;
    margin-bottom: 35px;
}

.header h1 {
    font-family: 'Playfair Display', serif;
    font-size: 2.6rem;
    color: var(--primary);
    margin: 0;
}

.sub-title {
    margin-top: 8px;
    font-size: 1.05rem;
    color: var(--secondary);
}

.intro p {
    font-size: 1.05rem;
}

.section {
    margin-top: 35px;
}

.section h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    color: var(--primary);
    margin-bottom: 20px;
}

.section h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-top: 25px;
    margin-bottom: 10px;
}

.section p {
    margin-bottom: 12px;
}

.closing {
    margin-top: 45px;
    padding-top: 30px;
    border-top: 1px solid var(--border);
}

.signature {
    margin-top: 30px;
}

.signature .name {
    font-weight: 600;
    font-size: 1.1rem;
}

.signature .firm {
    color: var(--secondary);
}

/* Responsive tweaks */
@media (max-width: 768px) {
    .card {
        padding: 30px 25px;
    }

    .header h1 {
        font-size: 2rem;
    }
}