/* ==========================================================================
   Sections:
     1. Type scale (variables)
     2. Base / typography
     3. Layout (container, borders)
     4. Navigation
     5. Components — cards (hover, social links)
     6. Components — software project cards
     7. Components — blog posts
     8. Responsive
   ========================================================================== */

/* 1. Type scale ------------------------------------------------------------ */
:root {
    --fs-min: 1.05rem;   /* blog date / image credits*/
    --fs-base: 1.3rem;   /* body copy, nav links, card sub-labels */
    --fs-h5: 1.55rem;    /* card titles (h5) */
    --fs-h3: 1.8rem;     /* blog post titles (h3) */
    --fs-h2: 2.05rem;    /* section headings (h2) */
    --fs-max: 2.5rem;    /* page title (h1) */
}

/* 2. Base / typography ----------------------------------------------------- */
body {
    font-family: Georgia, 'Times New Roman', Times, serif;
    background-color: #14191f;
    letter-spacing: normal;
    font-size: var(--fs-base);
    line-height: 1.6;
}

main {
    background-color: #c2e1f3c7;
}

main h1 { font-size: var(--fs-max); }
main h2 { font-size: var(--fs-h2); }
main h3 { font-size: var(--fs-h3); }
main h5 { font-size: var(--fs-h5); }
main h6 { font-size: var(--fs-base); }

/* 3. Layout ---------------------------------------------------------------- */
.main-col {
    max-width: fit-content;
}

.main-container {
    position: relative;
    max-width: 1200px;
}

.grey-border   { border-color: #2c3e50 !important; border-width: 3px !important; }
.purple-border { border-color: #8b4789 !important; border-width: 3px !important; }

/* Translucent fill behind bordered image/content boxes */
div.border {
    background-color: rgba(169, 180, 212, 0.252);
}

/* 4. Navigation ------------------------------------------------------------ */
.vertical-nav {
    position: sticky;
    top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    padding: 2rem 1.5rem 2rem 0;
    border-right: 3px solid #2c3e50;
    margin-top: 2rem;
}

a.nav-page-link {
    display: block;
    text-align: right;
    color: #ebe5d9;
    text-decoration: none;
    padding: 0.3rem 0;
    margin-bottom: 0.6rem;
    font-size: var(--fs-base);
    transition: color 0.2s;
}

a.nav-page-link:hover {
    color: #c97fc7;
}

a.nav-page-link.active {
    color: #c97fc7;
    text-decoration: underline;
}

/* 5. Cards — lift-on-hover, social links ----------------------------------- */
.hover-card {
    transition: transform 0.2s, box-shadow 0.2s;
    border-width: 3px !important;
}

.hover-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

/* Round badge behind social SVG icons */
.social-icon-circle {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    flex-shrink: 0;
    border: 2px solid rgba(255,255,255,0.3);
    font-size: 1.5rem;   /* icon glyph size */
}

.social-icon-circle-dark {
    border-color: rgba(44,62,80,0.4);
    background: rgba(44,62,80,0.08);
}

/* Social link cards (software page, Connect section) */
.social-card {
    background: rgba(70,47,70,0.1);
    border: 2px solid rgba(44,62,80,0.3);
}

.social-card-title {
    color: #2c3e50;
}

.social-card-subtitle {
    font-size: var(--fs-min);
    color: #2c3e50;
    opacity: 0.7;
}

/* 6. Software project cards (software page) -------------------------------- */
.project-card {
    overflow: hidden;
    margin-bottom: 2rem;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.project-card img {
    width: 100%;
    height: 180px;
    object-fit: contain;
    object-position: center;
    display: block;
    background-color: rgba(0,0,0,0.1);
}

.project-card-body {
    padding: 1.25rem;
}

.project-card-credit {
    font-size: var(--fs-min);
    opacity: 0.6;
}

.project-card-link {
    color: #2c3e50;
}

/* 7. Blog posts (blog page) ------------------------------------------------ */
.blog-post {
    padding-left: 1.5rem;
    border-left: 4px solid #8b4789;
    margin-bottom: 3rem;
}

.blog-post-date {
    font-size: var(--fs-min);
    color: #2c3e50;
    opacity: 0.65;
    margin-bottom: 0.2rem;
    letter-spacing: 0.05rem;
}

.blog-post-title {
    font-size: var(--fs-h3);
    color: #2c3e50;
    margin-bottom: 0.75rem;
}

.blog-post-content {
    font-size: var(--fs-base);
}

.blog-post-images {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1rem;
}

.blog-post-images img {
    height: 260px;
    width: auto;
    border: 3px solid #1a1a1a;
    border-radius: 4px;
    object-fit: cover;
    flex: 0 0 auto;
    max-width: 100%;
}

/* 8. Responsive ------------------------------------------------------------ */
@media (max-width: 991px) {
    .vertical-nav {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        align-items: right;
        justify-content: center;
        border-right: none;
        border-bottom: 3px solid #2c3e50;
        padding: 1rem 1rem;
        margin-top: 0;
        margin-bottom: 0;
        gap: 1.5rem;
    }

    a.nav-page-link {
        text-align: center;
        margin-bottom: 0;
    }
}