:root {
    --bg-color: #fcfcfc;
    --text-color: #1a1a1a;
    --accent-color: #444;
    --border-color: #e0e0e0;
}

body {
    background-color: #c7c7c7; 
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.serif-font {
    font-family: 'Merriweather', "Georgia", serif;
}

.main-document {
    max-width: 900px;
    padding: 3rem 4rem;
    background-color: #fff;
    min-height: 90vh;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 5px 20px rgba(0,0,0,0.05); /* Paper shadow */
    margin-top: 3rem;
    margin-bottom: 3rem;
    border: none;
    position: relative;
}

.main-document::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.4;
    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%3Cg fill='%239C92AC' fill-opacity='0.03'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' /%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

@media (max-width: 768px) {
    .main-document {
        margin-top: 1.5rem;
        margin-bottom: 5rem; /* Increased to avoid overlap with fixed bottom sticker */
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        padding: 2rem 1.5rem;
        border-radius: 4px; /* Optional: adds a slight curve for mobile card look */
    }
    
    body {
        padding-left: 10px;
        padding-right: 10px;
    }

    /* Mobile Header Simplification */
    .main-document header {
        flex-direction: column !important;
        align-items: flex-start !important; /* Align left cleanly */
        gap: 1rem;
    }

    .main-document header > div,
    .main-document header > ul {
        width: 100%;
        text-align: left;
        margin-bottom: 0 !important; /* Reset mb-2 */
    }

    .main-document header ul.nav {
        justify-content: flex-start !important;
        margin-top: 1rem;
        border-top: 1px solid #eee;
        padding-top: 1rem;
        flex-direction: column; /* Stack links vertically for better tap targets */
        gap: 0.5rem;
    }

    .main-document header .nav-link {
        padding-left: 0 !important;
        text-align: left;
    }
}

.name-brand {
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.ls-1 {
    letter-spacing: 1px;
}

.doc-divider {
    border-color: var(--text-color);
    opacity: 0.1;
}

.nav-link {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.nav-link:hover {
    text-decoration: underline !important;
}

.btn-outline-dark {
    border: 1px solid var(--text-color);
    color: var(--text-color);
}

.btn-outline-dark:hover {
    background-color: var(--text-color);
    color: #fff;
}

.custom-list li::before {
    content: "— ";
    color: #ccc;
    margin-right: 5px;
}

.stack-badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.85em;
    font-weight: 500;
    line-height: 1;
    color: #444;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border: 1px solid #ddd;
    background-color: #fff;
    margin-right: 0.5rem;
    margin-bottom: 0.5rem;
}

.hover-underline:hover {
    text-decoration: underline !important;
}

.transition {
    transition: all 0.2s ease;
}

.hover-shadow:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    background-color: #fcfcfc;
}

.hover-opacity:hover {
    opacity: 0.7;
}

.bottom-sticker {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #fff;
    padding: 8px 12px;
    border: 1px solid #e0e0e0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1000;
    font-family: 'Inter', sans-serif;
    font-size: 0.8rem;
    font-weight: 500;
    text-decoration: none;
    color: #333;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bottom-sticker:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.15);
    color: #000;
}

.bottom-sticker img {
    width: 24px;
    height: 24px;
    object-fit: cover;
    border-radius: 4px;
}

@media (max-width: 768px) {
    .bottom-sticker {
        bottom: 15px;
        right: 15px;
        left: 15px;
        justify-content: center;
    }
}