/* ---------------------------------------------------
   grey8 — tokens
--------------------------------------------------- */
:root {
    --bg: #0f1012;
    --surface: #17181b;
    --text: #e8e8e6;
    --muted: #8a8d93;
    --line: #35373d;
    --blue: #6fa3d8;
    --blue-dim: #4f7aa8;

    --font-mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    --font-body: var(--font-mono);
    --measure: 68ch;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background:
        radial-gradient(1000px circle at 15% 0px, rgba(111, 163, 216, 0.09), transparent 55%),
        radial-gradient(800px circle at 100% 220px, rgba(111, 163, 216, 0.05), transparent 60%),
        linear-gradient(var(--bg), var(--bg)),
        repeating-linear-gradient(0deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 48px),
        repeating-linear-gradient(90deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 48px);
    background-attachment: fixed;
    color: var(--text);
    font-family: var(--font-body);
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--blue);
    text-decoration: none;
    border-bottom: 1px solid var(--blue-dim);
}

a:hover { color: var(--text); border-bottom-color: var(--text); }

a:focus-visible, button:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 2px;
}

img { max-width: 100%; display: block; }

/* ---------------------------------------------------
   scanline texture overlay
--------------------------------------------------- */
.scanlines {
    position: fixed;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(255, 255, 255, 0.025) 0px,
        rgba(255, 255, 255, 0.025) 1px,
        transparent 1px,
        transparent 3px
    );
    pointer-events: none;
    z-index: 40;
    animation: scan-drift 6s linear infinite;
}

@keyframes scan-drift {
    0% { background-position: 0 0; }
    100% { background-position: 0 6px; }
}

@media (prefers-reduced-motion: reduce) {
    .scanlines { animation: none; }
}

/* ---------------------------------------------------
   top reading-progress rail
--------------------------------------------------- */
.progress-rail {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--line);
    z-index: 50;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--blue);
    box-shadow: 0 0 8px rgba(111, 163, 216, 0.6);
    transition: width 0.1s linear;
}

@media (prefers-reduced-motion: reduce) {
    .progress-fill { transition: none; }
}

/* ---------------------------------------------------
   HUD corner-bracket utility — used on header, footer,
   and content panels. Fixed 10px size: no clipping risk
   regardless of the size of the element it's applied to.
--------------------------------------------------- */
.hud { position: relative; }

.hud::before,
.hud::after {
    content: '';
    position: absolute;
    width: 10px;
    height: 10px;
    pointer-events: none;
}

.hud::before {
    top: -1px;
    left: -1px;
    border-top: 1px solid var(--blue-dim);
    border-left: 1px solid var(--blue-dim);
}

.hud::after {
    bottom: -1px;
    right: -1px;
    border-bottom: 1px solid var(--blue-dim);
    border-right: 1px solid var(--blue-dim);
}

/* ---------------------------------------------------
   layout shell
--------------------------------------------------- */
.site-wrap {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---------------------------------------------------
   header — segmented HUD bar
--------------------------------------------------- */
.site-header {
    display: flex;
    flex-wrap: wrap;
    border: 1px solid var(--line);
    margin: 2rem 0 2.5rem;
}

.header-cell {
    padding: 0.9rem 1.5rem;
    border-right: 1px solid var(--line);
}

.header-cell--nav {
    margin-left: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: none;
}

.cell-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--muted);
    opacity: 0.7;
    margin-bottom: 0.35rem;
}

.wordmark {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.3rem;
    color: var(--text);
    text-decoration: none;
    border-bottom: none;
    letter-spacing: -0.01em;
}

.cursor-blink {
    display: inline-block;
    width: 0.6em;
    height: 1.1em;
    margin-left: 0.3em;
    background: var(--blue);
    vertical-align: text-bottom;
    animation: blink 1.1s steps(1) infinite;
}

.wordmark--logo img {
    display: block;
    max-height: 32px;
    width: auto;
}

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
    .cursor-blink { animation: none; }
}

.tagline {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.clock {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text);
    letter-spacing: 0.05em;
    font-variant-numeric: tabular-nums;
}

.status-online {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--blue);
    box-shadow: 0 0 6px rgba(111, 163, 216, 0.8);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}

@media (prefers-reduced-motion: reduce) {
    .status-dot { animation: none; }
}

.site-nav {
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.site-nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav a {
    display: inline-block;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.3rem 0.75rem;
    border: 1px solid transparent;
    border-radius: 3px;
    transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.site-nav a:hover {
    color: var(--text);
    background-color: rgba(111, 163, 216, 0.08);
    border-color: var(--blue-dim);
}

.site-nav a.nav-current {
    color: var(--blue);
    border-color: var(--blue-dim);
    background-color: rgba(111, 163, 216, 0.06);
}

@media (prefers-reduced-motion: reduce) {
    .site-nav a { transition: none; }
}

@media (max-width: 640px) {
    .header-cell { border-right: none; border-bottom: 1px solid var(--line); width: 100%; }
    .header-cell--nav { margin-left: 0; border-bottom: none; }
    .footer-cell { border-right: none; border-bottom: 1px solid var(--line); width: 100%; }
    .footer-cell:last-child { border-bottom: none; }
    .stat-cell { border-right: none; border-bottom: 1px solid var(--line); width: 100%; }
    .stat-cell:last-child { border-bottom: none; }
}

/* ---------------------------------------------------
   shared eyebrow / heading style
--------------------------------------------------- */
.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
    letter-spacing: 0.05em;
    margin: 0 0 0.5rem;
}

/* ---------------------------------------------------
   content panel — bordered box with a floating label
   sitting on top of the border, HUD/dashboard style
--------------------------------------------------- */
.panel {
    position: relative;
    border: 1px solid var(--line);
    padding: 2.25rem 1.75rem 1.75rem;
    margin: 0 0 3rem;
}

.panel-label {
    position: absolute;
    top: -0.6em;
    left: 1.5rem;
    background: var(--bg);
    padding: 0 0.6em;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
}

/* ---------------------------------------------------
   post index
--------------------------------------------------- */
.index-intro { padding: 0 0 0.5rem; }

.index-intro h1 {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 2rem;
    margin: 0 0 1rem;
    letter-spacing: -0.02em;
}

.post-list {
    list-style: none;
    margin: 0;
    padding: 0;
    counter-reset: post-index;
}

.post-item {
    counter-increment: post-index;
    border-top: 1px solid var(--line);
}
.post-item:last-child { border-bottom: 1px solid var(--line); }

.post-item-link {
    display: block;
    margin: 0 -1.75rem;
    padding: 1.5rem 1.75rem 1.5rem 3.75rem;
    text-decoration: none;
    border-bottom: none;
    position: relative;
    transition: background-color 0.15s ease;
}

.post-item-link::before {
    content: counter(post-index, decimal-leading-zero);
    position: absolute;
    left: 1.75rem;
    top: 1.55rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--blue-dim);
}

.post-item-link::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--blue);
    transition: height 0.15s ease;
}

.post-item-link:hover {
    background-color: rgba(255, 255, 255, 0.025);
}

.post-item-link:hover::after {
    height: calc(100% - 1.2rem);
}

@media (prefers-reduced-motion: reduce) {
    .post-item-link,
    .post-item-link::after { transition: none; }
}

.post-meta {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--muted);
    margin-bottom: 0.5rem;
}

.post-title {
    display: block;
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--text);
    margin-bottom: 0.4rem;
}

.post-item-link:hover .post-title { color: var(--blue); }

.post-excerpt {
    display: block;
    color: var(--muted);
    max-width: 56ch;
    font-size: 0.95rem;
}

.post-empty {
    padding: 1.75rem 0;
    color: var(--muted);
}

/* ---------------------------------------------------
   single post / page
--------------------------------------------------- */
.post-header { padding: 0 0 1.5rem; }

.post-title.post-title {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 2.2rem;
    line-height: 1.2;
    color: var(--text);
    margin: 0.5rem 0 0.75rem;
    letter-spacing: -0.02em;
}

.post-standfirst {
    color: var(--muted);
    font-size: 1.05rem;
    max-width: var(--measure);
}

.path-breadcrumb {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--blue-dim);
    margin: 0 0 0.5rem;
}

.icon-row {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.1rem;
}

.icon-btn {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--muted);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 0.25rem 0.55rem;
    text-decoration: none;
    transition: color 0.15s ease, border-color 0.15s ease;
}

.icon-btn:hover {
    color: var(--blue);
    border-color: var(--blue-dim);
}

@media (prefers-reduced-motion: reduce) {
    .icon-btn { transition: none; }
}

.stat-strip {
    display: flex;
    flex-wrap: wrap;
    border: 1px solid var(--line);
    margin: 1.25rem 0 0;
}

.stat-cell {
    padding: 0.6rem 1rem;
    border-right: 1px solid var(--line);
}

.stat-cell:last-child { border-right: none; }

.stat-label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    opacity: 0.7;
    margin-bottom: 0.2rem;
}

.stat-value {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text);
}

.tag-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0 0;
}

.tag-chip {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    border: 1px solid var(--line);
    border-radius: 3px;
    padding: 0.2rem 0.6rem;
}

.post-feature-image { margin: 0 0 2rem; }
.post-feature-image img {
    border-radius: 6px;
    border: 1px solid var(--line);
}

.post-content {
    max-width: var(--measure);
    font-size: 1.02rem;
}

.post-content h1 {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.6rem;
    margin-top: 2.5rem;
    letter-spacing: -0.01em;
}

.post-content h2 {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.3rem;
    margin-top: 2.5rem;
}

.post-content h3 {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 1.05rem;
    margin-top: 2rem;
}

.post-content p { margin: 0 0 1.25rem; }

.post-content a { border-bottom-color: var(--blue-dim); }

.post-content blockquote {
    margin: 1.75rem 0;
    padding: 1rem 1.25rem;
    background: var(--surface);
    border-left: 2px solid var(--blue-dim);
    border-radius: 0 6px 6px 0;
    color: var(--muted);
    font-style: italic;
}

.post-content ul,
.post-content ol {
    padding-left: 1.4rem;
    margin: 0 0 1.25rem;
}

.post-content li { margin-bottom: 0.4rem; }

.post-content ul li::marker { color: var(--blue-dim); }
.post-content ol li::marker {
    font-family: var(--font-mono);
    color: var(--muted);
}

.post-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.75rem 0;
    font-size: 0.92rem;
}

.post-content th,
.post-content td {
    border: 1px solid var(--line);
    padding: 0.6rem 0.8rem;
    text-align: left;
}

.post-content th {
    font-family: var(--font-mono);
    font-weight: 600;
    background: var(--surface);
}

.post-content figcaption {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
    margin-top: 0.5rem;
    text-align: center;
}

/* Koenig cards: callout, bookmark, toggle */
.post-content .kg-callout-card {
    padding: 1rem 1.25rem;
    background: var(--surface);
    border: 1px solid var(--line);
}

.post-content .kg-callout-text {
    font-size: 0.98rem;
}

.post-content .kg-bookmark-card a {
    border-bottom: none;
}

.post-content .kg-bookmark-title {
    font-family: var(--font-mono) !important;
    font-weight: 600 !important;
}

.post-content .kg-bookmark-description {
    color: var(--muted) !important;
}

.post-content .kg-bookmark-metadata {
    font-family: var(--font-mono) !important;
    color: var(--muted) !important;
}

.post-content .kg-toggle-card {
    border: 1px solid var(--line);
    padding: 1rem 1.25rem;
}

.post-content .kg-toggle-heading-text {
    font-family: var(--font-mono) !important;
    font-weight: 600 !important;
}

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

.post-content code {
    font-family: var(--font-mono);
    font-size: 0.9em;
    background: var(--surface);
    padding: 0.1em 0.35em;
    border-radius: 3px;
}

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

/* ---------------------------------------------------
   syntax highlighting (Prism) — mapped to our own
   palette rather than a stock Prism theme
--------------------------------------------------- */
.post-content .token.comment,
.post-content .token.prolog,
.post-content .token.doctype,
.post-content .token.cdata {
    color: var(--muted);
    font-style: italic;
}

.post-content .token.punctuation,
.post-content .token.operator {
    color: var(--muted);
}

.post-content .token.property,
.post-content .token.tag,
.post-content .token.boolean,
.post-content .token.number,
.post-content .token.constant,
.post-content .token.symbol,
.post-content .token.deleted {
    color: #d9a066;
}

.post-content .token.selector,
.post-content .token.attr-name,
.post-content .token.string,
.post-content .token.char,
.post-content .token.builtin,
.post-content .token.inserted {
    color: #9cc4a3;
}

.post-content .token.atrule,
.post-content .token.attr-value,
.post-content .token.keyword {
    color: var(--blue);
}

.post-content .token.function,
.post-content .token.class-name {
    color: #e0b96a;
}

.post-content .token.regex,
.post-content .token.important,
.post-content .token.variable {
    color: #d9a066;
}

.post-content .token.important,
.post-content .token.bold {
    font-weight: 600;
}

.post-content .token.italic { font-style: italic; }

.post-content hr {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 2.5rem 0;
}

.post-content .kg-card {
    border-radius: 8px;
    overflow: hidden;
    margin: 2rem 0;
}

.post-content .kg-header-card-heading,
.post-content .kg-header-card-subheading {
    font-family: var(--font-mono) !important;
    letter-spacing: -0.01em;
    font-weight: 600 !important;
}

.post-content .kg-width-wide,
.post-content .kg-width-full {
    position: relative;
    left: 50%;
    width: 100vw;
    transform: translateX(-50%);
    margin: 2rem 0;
}

.post-content .kg-width-wide { max-width: 1100px; }

.post-content .kg-width-wide img,
.post-content .kg-width-full img {
    width: 100%;
    border-radius: 6px;
    border: 1px solid var(--line);
}

/* ---------------------------------------------------
   forms — for contact forms embedded via HTML cards
--------------------------------------------------- */
.post-content form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin: 2rem 0;
    max-width: var(--measure);
}

.post-content label {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--muted);
    margin-bottom: 0.4rem;
}

.post-content input[type="text"],
.post-content input[type="email"],
.post-content input[type="tel"],
.post-content input[type="number"],
.post-content input[type="url"],
.post-content textarea {
    display: block;
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    background: var(--surface) !important;
    border: 1px solid var(--line) !important;
    border-radius: 3px;
    padding: 0.65rem 0.85rem;
    font-family: var(--font-mono) !important;
    font-size: 0.95rem;
    color: var(--text) !important;
    color-scheme: dark;
}

.post-content textarea {
    min-height: 140px;
    resize: vertical;
}

.post-content input::placeholder,
.post-content textarea::placeholder {
    color: var(--muted);
    opacity: 1;
}

.post-content input:focus-visible,
.post-content textarea:focus-visible {
    outline: 2px solid var(--blue);
    outline-offset: 1px;
    border-color: var(--blue-dim) !important;
}

.post-content button[type="submit"],
.post-content input[type="submit"] {
    display: inline-block;
    -webkit-appearance: none;
    appearance: none;
    align-self: flex-start;
    font-family: var(--font-mono) !important;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text) !important;
    background: transparent !important;
    border: 1px solid var(--blue-dim) !important;
    border-radius: 3px;
    padding: 0.65rem 1.5rem;
    cursor: pointer;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.post-content button[type="submit"]:hover,
.post-content input[type="submit"]:hover {
    background-color: rgba(111, 163, 216, 0.1);
    color: var(--blue);
}

.post-content button[type="submit"]:disabled,
.post-content input[type="submit"]:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.form-status {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--muted);
    margin: 0;
    min-height: 1.2em;
}

.form-status--success { color: var(--blue); }
.form-status--error { color: #d98a8a; }

@media (prefers-reduced-motion: reduce) {
    .post-content button[type="submit"],
    .post-content input[type="submit"] { transition: none; }
}

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

.post-author {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--muted);
}

/* ---------------------------------------------------
   site footer — HUD bar matching header
--------------------------------------------------- */
.site-footer {
    display: flex;
    flex-wrap: wrap;
    margin: 0 0 3rem;
    border: 1px solid var(--line);
}

.footer-cell {
    padding: 0.9rem 1.5rem;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.footer-cell:last-child { border-right: none; }

.footer-text {
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.site-footer ul {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
    font-family: var(--font-mono);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.site-footer a { color: var(--muted); border-bottom: none; }
.site-footer a:hover { color: var(--text); }
.site-footer a.icon-btn { border: 1px solid var(--line); }
.site-footer a.icon-btn:hover { border-color: var(--blue-dim); }

/* ---------------------------------------------------
   pagination
--------------------------------------------------- */
.pagination {
    display: flex;
    justify-content: space-between;
    padding: 1.5rem 0 0;
    font-family: var(--font-mono);
    font-size: 0.82rem;
}

.pagination a { border-bottom: none; color: var(--blue); }

/* ---------------------------------------------------
   responsive
--------------------------------------------------- */
@media (max-width: 600px) {
    .site-wrap { padding: 0 1.15rem; }
    .panel { padding: 2rem 1.15rem 1.5rem; }
    .post-item-link { margin: 0 -1.15rem; padding-left: 3.25rem; padding-right: 1.15rem; }
    .post-item-link::before { left: 1.15rem; }
    .post-title.post-title { font-size: 1.7rem; }
    .index-intro h1 { font-size: 1.5rem; }
}