/* 1. Global Box-Sizing & Margin Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* 2. Modern System Typography & Page Centering */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: #f8fafc;
    color: #1e293b;
    line-height: 1.6;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1.5rem;
}

/* 3. Main Business Card Container */
main {
    background-color: #ffffff;
    max-width: 520px;
    width: 100%;
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

/* 4. Desktop Logo Sizing */
#logo {
    max-width: 240px;
    height: auto;
    display: block;
    margin-bottom: 1.5rem;
}

/* 5. Content Hierarchy */
h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 0.5rem;
}

h2 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #64748b;
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

/* 6. Core Description Styling */
#about p {
    font-size: 1.05rem;
    line-height: 1.6;
    color: #1e293b;
    border-left: 3px solid #0284c7;
    padding-left: 0.85rem;
    margin-top: 0.75rem;
    margin-bottom: 1.5rem;
}

p {
    font-size: 0.95rem;
    color: #334155;
}

ul {
    list-style: none;
}

li {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

a {
    color: #0284c7;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #f1f5f9;
    font-size: 0.8rem;
    color: #94a3b8;
}

/* 7. Mobile Viewport Overrides (Must remain at the bottom to maintain CSS cascade priority) */
@media (max-width: 480px) {
    main {
        padding: 1.5rem;
    }

    #logo {
        max-width: 80px;
        max-height: 80px;
        margin-left: auto;
        margin-right: auto;
    }
}