/* ==========================================================================
   In Medias Res — Ghost Theme
   ========================================================================== */

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #0d1117;
    --bg-surface: #161b22;
    --text: #c9d1d9;
    --text-muted: #8b949e;
    --text-bright: #f0f6fc;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --border: #21262d;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-heading: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, monospace;
    --max-width: 720px;
    --gap: 2rem;
}

html {
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--accent-hover);
}

img {
    max-width: 100%;
    height: auto;
}

/* ---------- Layout ---------- */
.site-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.site-content {
    flex: 1;
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem var(--gap);
}

/* ---------- Header / Navigation ---------- */
.site-header {
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
}

.header-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gap);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-bright);
    letter-spacing: -0.02em;
}

.site-title:hover {
    color: var(--accent);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 1.75rem;
}

.nav-links a {
    color: var(--text-muted);
    font-size: 0.875rem;
    font-weight: 400;
    letter-spacing: 0.01em;
    transition: color 0.15s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--text-bright);
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 24px;
    height: 20px;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-muted);
    transition: all 0.2s ease;
}

/* ---------- Footer ---------- */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    margin-top: 4rem;
}

.footer-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--gap);
}

.site-footer p {
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ---------- Home Page ---------- */
.home-intro {
    padding: 3rem 0 2rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}

.home-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 0.75rem;
    letter-spacing: -0.03em;
}

.home-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.6;
    max-width: 560px;
}

.section-heading {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* ---------- Post Cards ---------- */
.post-card {
    margin-bottom: 0.5rem;
}

.post-card-link {
    display: block;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    transition: background 0.15s ease;
}

.post-card-link:hover {
    color: inherit;
}

.post-card-link:hover .post-card-title {
    color: var(--accent);
}

.post-card-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
}

.post-card-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-bright);
    margin: 0.25rem 0;
    letter-spacing: -0.01em;
    transition: color 0.15s ease;
}

.post-card-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ---------- Single Post ---------- */
.post-full {
    padding-top: 2rem;
}

.post-header {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.post-date {
    font-size: 0.85rem;
    color: var(--text-muted);
    display: block;
    margin-bottom: 0.5rem;
}

.post-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--text-bright);
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.post-excerpt {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

.post-reading-time {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Post content typography */
.post-content {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text);
}

.post-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-bright);
    margin: 2.5rem 0 1rem;
    letter-spacing: -0.02em;
}

.post-content h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-bright);
    margin: 2rem 0 0.75rem;
}

.post-content p {
    margin-bottom: 1.25rem;
}

.post-content ul,
.post-content ol {
    margin: 0 0 1.25rem 1.5rem;
}

.post-content li {
    margin-bottom: 0.35rem;
}

.post-content blockquote {
    border-left: 3px solid var(--accent);
    padding: 0.25rem 0 0.25rem 1.25rem;
    margin: 1.5rem 0;
    color: var(--text-muted);
    font-style: italic;
}

.post-content pre {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin: 1.5rem 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
}

.post-content code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    background: var(--bg-surface);
    padding: 0.15em 0.35em;
    border-radius: 3px;
}

.post-content pre code {
    background: none;
    padding: 0;
    border-radius: 0;
}

.post-content hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2.5rem 0;
}

.post-content a {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.post-content img {
    border-radius: 6px;
    margin: 1.5rem 0;
}

/* Ghost specific content cards */
.post-content .kg-image-card,
.post-content .kg-gallery-card {
    margin: 1.5rem 0;
}

.post-content .kg-image-card img {
    margin: 0;
}

.post-content .kg-image-card figcaption,
.post-content .kg-gallery-card figcaption {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-align: center;
    margin-top: 0.5rem;
}

.post-content .kg-width-wide {
    max-width: calc(var(--max-width) + 200px);
    margin-left: calc(50% - 50vw + var(--gap));
    margin-right: calc(50% - 50vw + var(--gap));
    width: calc(100vw - var(--gap) * 2);
}

.post-content .kg-width-full {
    max-width: none;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    width: 100vw;
}

/* Post footer / tags */
.post-footer {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.post-tags {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.post-tag {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.post-tag:hover {
    color: var(--accent);
}

/* ---------- Pages ---------- */
.page-full,
.custom-page {
    padding-top: 2rem;
}

.page-header {
    margin-bottom: 2.5rem;
}

.page-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-bright);
    letter-spacing: -0.03em;
}

.page-content {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text);
}

.page-content h2 { font-size: 1.5rem; font-weight: 700; color: var(--text-bright); margin: 2.5rem 0 1rem; }
.page-content h3 { font-size: 1.2rem; font-weight: 600; color: var(--text-bright); margin: 2rem 0 0.75rem; }
.page-content p { margin-bottom: 1.25rem; }
.page-content ul, .page-content ol { margin: 0 0 1.25rem 1.5rem; }
.page-content li { margin-bottom: 0.35rem; }
.page-content a { text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Timeline Page ---------- */
.timeline-content .kg-html-card {
    position: relative;
}

/* ---------- Bookshelf Page ---------- */
.bookshelf-content .kg-html-card {
    position: relative;
}

/* ---------- Contact Page ---------- */
.contact-form-section,
.calendly-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.contact-form-section h2,
.calendly-section h2 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-bright);
    margin-bottom: 1.5rem;
}

.contact-form {
    max-width: 480px;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color 0.15s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    background: var(--accent);
    color: var(--bg);
    border: none;
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.form-submit:hover {
    background: var(--accent-hover);
}

.form-status {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.calendly-placeholder {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ---------- Tag Page ---------- */
.tag-header {
    padding: 2rem 0;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border);
}

.tag-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-bright);
}

.tag-description {
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* ---------- Pagination ---------- */
.pagination {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
}

.pagination a {
    color: var(--text-muted);
}

.pagination a:hover {
    color: var(--accent);
}

/* ---------- Ghost Helpers (required) ---------- */
.gh-post-upgrade-cta,
.gh-navigation,
.gh-head,
.gh-foot {
    /* Ghost injects some elements — hide if not needed */
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    html {
        font-size: 16px;
    }

    :root {
        --gap: 1.25rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        padding: 1rem var(--gap);
        gap: 0.75rem;
    }

    .nav-links.open {
        display: flex;
    }

    .site-header {
        position: relative;
    }

    .home-title {
        font-size: 1.6rem;
    }

    .post-title {
        font-size: 1.7rem;
    }

    .home-intro {
        padding: 2rem 0 1.5rem;
    }
}