/* ── Color tokens ──────────────────────────────────────────── */
:root {
    --clr-dark-a0: #000000;
    --clr-light-a0: #ffffff;

    --clr-primary-a0: #8b288f;
    --clr-primary-a10: #99439b;
    --clr-primary-a20: #a75ba8;
    --clr-primary-a30: #b473b4;
    --clr-primary-a40: #c18ac0;
    --clr-primary-a50: #cea1cd;

    --clr-surface-a0: #121212;
    --clr-surface-a10: #282828;
    --clr-surface-a20: #3f3f3f;
    --clr-surface-a30: #575757;
    --clr-surface-a40: #717171;
    --clr-surface-a50: #8b8b8b;

    --clr-surface-tonal-a0: #1e161d;
    --clr-surface-tonal-a10: #332b32;
    --clr-surface-tonal-a20: #494248;
    --clr-surface-tonal-a30: #605a60;
    --clr-surface-tonal-a40: #797378;
    --clr-surface-tonal-a50: #928d91;

    --clr-success-a0: #22946e;
    --clr-warning-a0: #a87a2a;
    --clr-danger-a0:  #9c2121;

    /* Semantic aliases */
    --bg:           var(--clr-surface-a0);
    --bg-raised:    var(--clr-surface-tonal-a0);
    --bg-card:      var(--clr-surface-tonal-a10);
    --bg-sidebar:   var(--clr-surface-tonal-a0);
    --border:       var(--clr-surface-tonal-a20);
    --text:         #e8dde8;
    --text-muted:   var(--clr-surface-tonal-a50);
    --accent:       var(--clr-primary-a0);
    --accent-light: var(--clr-primary-a40);
    --accent-dim:   var(--clr-primary-a10);

    --sidebar-w: 260px;
    --gap: 1.5rem;
    --radius: 6px;
    --transition: 200ms ease;
}

/* ── Reset ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
    font-family: 'EB Garamond', Georgia, serif;
    font-size: 1.05rem;
    line-height: 1.7;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--accent-light);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--clr-primary-a50); }

/* ── Layout shell ──────────────────────────────────────────── */
.site-wrapper {
    display: flex;
    flex: 1;
    min-height: 100vh;
}

/* ── Sidebar ───────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    min-width: var(--sidebar-w);
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
}

.sidebar-brand {
    padding: 2rem 1.5rem 1.25rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-brand .site-title {
    font-family: 'Cinzel', serif;
    font-size: 1.15rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--accent-light);
    display: block;
    line-height: 1.3;
}

.sidebar-brand .site-subtitle {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

/* ── Sidebar sections ──────────────────────────────────────── */
.sidebar-section {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.sidebar-section-label {
    font-family: 'Cinzel', serif;
    font-size: 0.6rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--clr-surface-tonal-a40);
    margin-bottom: 0.75rem;
}

/* Nav */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.sidebar-nav a {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1rem;
    font-weight: 400;
    color: var(--text);
    padding: 0.3rem 0.5rem;
    border-radius: var(--radius);
    border-left: 2px solid transparent;
    transition: all var(--transition);
    letter-spacing: 0.02em;
}

.sidebar-nav a:hover {
    color: var(--accent-light);
    border-left-color: var(--accent);
    background: rgba(139, 40, 143, 0.08);
}

/* About blurb */
.sidebar-about p {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--text-muted);
    font-style: italic;
}

/* Recent posts */
.recent-posts-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.recent-posts-list li {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
}

.recent-posts-list a {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.92rem;
    color: var(--text);
    line-height: 1.35;
}

.recent-posts-list a:hover { color: var(--accent-light); }

.post-date {
    font-size: 0.72rem;
    color: var(--clr-surface-tonal-a40);
    letter-spacing: 0.04em;
}

/* Substack */
.substack-badge {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(139, 40, 143, 0.1);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.65rem 0.85rem;
    transition: all var(--transition);
    color: var(--text);
}

.substack-badge:hover {
    background: rgba(139, 40, 143, 0.18);
    border-color: var(--accent-dim);
    color: var(--accent-light);
}

.substack-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.85;
}

.substack-badge span {
    font-family: 'Cinzel', serif;
    font-size: 0.72rem;
    letter-spacing: 0.1em;
}

/* Social links */
.social-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.social-link {
    font-family: 'Cinzel', serif;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0.25rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 3px;
    transition: all var(--transition);
}

.social-link:hover {
    color: var(--accent-light);
    border-color: var(--accent-dim);
}

/* ── Main content ──────────────────────────────────────────── */
.main-content {
    flex: 1;
    min-width: 0;
    padding: 3rem 2.5rem;
    max-width: 960px;
}

/* ── Page header ───────────────────────────────────────────── */
.page-header {
    margin-bottom: 3.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border);
    position: relative;
}

.page-header::after {
    content: '✦';
    position: absolute;
    bottom: -0.65rem;
    left: 0;
    color: var(--accent);
    font-size: 0.8rem;
    background: var(--bg);
    padding-right: 0.5rem;
}

.page-header h1 {
    font-family: 'Cinzel', serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 600;
    color: var(--accent-light);
    letter-spacing: 0.04em;
    line-height: 1.2;
    margin-bottom: 0.6rem;
}

.page-header .tagline {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 1.15rem;
    color: var(--text-muted);
}

/* ── Section headings ──────────────────────────────────────── */
.section-heading {
    font-family: 'Cinzel', serif;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-heading::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(to right, var(--border), transparent);
}

/* ── Intro section ─────────────────────────────────────────── */
.intro {
    margin-bottom: 3.5rem;
}

.intro p {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text);
    max-width: 680px;
}

.intro p + p { margin-top: 1rem; }

/* ── Card grid ─────────────────────────────────────────────── */
.section { margin-bottom: 4rem; }

.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(to right, var(--accent), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.card:hover {
    border-color: var(--accent-dim);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.35);
}

.card:hover::before { opacity: 1; }

.card-title {
    font-family: 'Cinzel', serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-light);
    letter-spacing: 0.03em;
}

.card-divider {
    height: 1px;
    background: var(--border);
    margin: 0.25rem 0;
}

.card-desc {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.97rem;
    color: var(--text-muted);
    line-height: 1.6;
    flex: 1;
}

.card-tag {
    display: inline-block;
    font-family: 'Cinzel', serif;
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--clr-surface-a0);
    background: var(--accent);
    padding: 0.15rem 0.5rem;
    border-radius: 3px;
    align-self: flex-start;
}

.card-link {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.88rem;
    font-style: italic;
    color: var(--accent-light);
    align-self: flex-start;
    transition: color var(--transition);
}

.card-link:hover { color: var(--clr-primary-a50); }

/* ── Blog list ─────────────────────────────────────────────── */
.post-list {
    list-style: none;
    display: flex;
    flex-direction: column;
}

.post-item {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(87, 57, 87, 0.25);
    transition: all var(--transition);
}

.post-item:hover { padding-left: 0.4rem; }

.post-item .date {
    font-family: 'Cinzel', serif;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    color: var(--clr-surface-tonal-a40);
    white-space: nowrap;
    min-width: 90px;
}

.post-item .post-arrow {
    color: var(--accent);
    font-size: 0.7rem;
}

.post-item a {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.05rem;
    color: var(--text);
}

.post-item a:hover { color: var(--accent-light); }

/* ── Footer ────────────────────────────────────────────────── */
footer {
    border-top: 1px solid var(--border);
    padding: 1.25rem 2.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: 'Cinzel', serif;
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--clr-surface-tonal-a40);
    margin-left: var(--sidebar-w);
}

footer a { color: var(--clr-surface-tonal-a40); }
footer a:hover { color: var(--accent-light); }

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Responsive ────────────────────────────────────────────── */
@media (max-width: 768px) {
    .site-wrapper { flex-direction: column; }

    .sidebar {
    width: 100%;
    min-width: unset;
    height: auto;
    position: static;
    border-right: none;
    border-bottom: 1px solid var(--border);
    flex-direction: row;
    flex-wrap: wrap;
    overflow-x: auto;
    }

    .sidebar-brand { border-bottom: none; border-right: 1px solid var(--border); }

    .sidebar-section { padding: 1rem; }

    .sidebar-about,
    .sidebar-section:has(.recent-posts-list),
    .sidebar-section:has(.substack-badge) {
    display: none;
    }

    .main-content { padding: 2rem 1.25rem; }

    footer { margin-left: 0; flex-direction: column; gap: 0.5rem; text-align: center; }
}

/* ── Active nav state ──────────────────────────────────────── */
.sidebar-nav a.nav-active {
color: var(--accent-light);
border-left-color: var(--accent);
background: rgba(139, 40, 143, 0.08);
}

/* ── Page body (shared prose container) ────────────────────── */
.page-body {
max-width: 680px;
}

.page-body p {
font-family: 'Cormorant Garamond', serif;
font-size: 1.15rem;
line-height: 1.8;
color: var(--text);
margin-bottom: 1.25rem;
}

.page-body h2 {
font-family: 'Cinzel', serif;
font-size: 0.85rem;
letter-spacing: 0.16em;
text-transform: uppercase;
color: var(--accent);
margin: 2.5rem 0 1rem;
}

.page-body h3 {
font-family: 'Cormorant Garamond', serif;
font-size: 1.2rem;
font-weight: 600;
color: var(--accent-light);
margin: 1.75rem 0 0.75rem;
}

/* ── Project meta block ────────────────────────────────────── */
.project-meta {
display: flex;
flex-direction: column;
gap: 0.85rem;
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: var(--radius);
padding: 1.5rem;
margin-bottom: 3rem;
max-width: 560px;
}

.meta-item {
display: flex;
align-items: flex-start;
gap: 1.25rem;
}

.meta-label {
font-family: 'Cinzel', serif;
font-size: 0.62rem;
letter-spacing: 0.16em;
text-transform: uppercase;
color: var(--clr-surface-tonal-a40);
min-width: 56px;
padding-top: 0.15rem;
}

.meta-value {
font-family: 'Cormorant Garamond', serif;
font-size: 1rem;
color: var(--text-muted);
}

/* Status badge */
.project-status {
font-family: 'Cinzel', serif;
font-size: 0.62rem;
letter-spacing: 0.12em;
text-transform: uppercase;
padding: 0.2rem 0.65rem;
border-radius: 3px;
border: 1px solid;
}

.status-active {
color: var(--clr-primary-a40);
border-color: var(--clr-primary-a0);
background: rgba(139, 40, 143, 0.1);
}

.status-complete {
color: var(--clr-success-a0);
border-color: var(--clr-success-a0);
background: rgba(34, 148, 110, 0.1);
}

.status-hibernating {
color: var(--clr-surface-tonal-a50);
border-color: var(--clr-surface-tonal-a30);
background: rgba(96, 90, 96, 0.15);
}

/* Tech stack tags */
.tech-stack {
display: flex;
flex-wrap: wrap;
gap: 0.4rem;
}

.tech-tag {
font-family: 'Cinzel', serif;
font-size: 0.6rem;
letter-spacing: 0.1em;
text-transform: uppercase;
color: var(--text-muted);
padding: 0.15rem 0.5rem;
border: 1px solid var(--border);
border-radius: 3px;
}

/* Project links */
.project-links {
display: flex;
flex-wrap: wrap;
gap: 0.6rem;
}

.project-link {
font-family: 'Cormorant Garamond', serif;
font-size: 0.92rem;
font-style: italic;
color: var(--accent-light);
display: flex;
align-items: center;
gap: 0.3rem;
transition: color var(--transition);
}

.project-link:hover { color: var(--clr-primary-a50); }

.project-link-icon {
font-style: normal;
font-size: 0.8rem;
opacity: 0.7;
}

/* ── Post styles ───────────────────────────────────────────── */
.post-back {
display: inline-block;
font-family: 'Cinzel', serif;
font-size: 0.65rem;
letter-spacing: 0.14em;
text-transform: uppercase;
color: var(--clr-surface-tonal-a40);
margin-bottom: 2rem;
transition: color var(--transition);
}

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

.post-back-bottom {
display: inline-block;
margin-top: 3.5rem;
margin-bottom: 0;
}

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

.post-meta {
display: flex;
align-items: center;
flex-wrap: wrap;
gap: 0.5rem;
margin-top: 0.75rem;
}

.post-meta-date,
.post-meta-reading {
font-family: 'Cinzel', serif;
font-size: 0.68rem;
letter-spacing: 0.08em;
color: var(--clr-surface-tonal-a40);
}

.post-meta-sep {
color: var(--border);
font-size: 0.8rem;
}

.post-tags {
display: flex;
flex-wrap: wrap;
gap: 0.4rem;
}

.post-tag {
font-family: 'Cinzel', serif;
font-size: 0.6rem;
letter-spacing: 0.1em;
text-transform: uppercase;
color: var(--text-muted);
padding: 0.15rem 0.5rem;
border: 1px solid var(--border);
border-radius: 3px;
transition: all var(--transition);
}

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

/* Post body prose */
.post-body {
max-width: 660px;
font-family: 'EB Garamond', Georgia, serif;
font-size: 1.1rem;
line-height: 1.85;
color: var(--text);
}

.post-body p { margin-bottom: 1.4rem; }

.post-body p:first-of-type::first-letter {
font-family: 'Cinzel', serif;
font-size: 3.2rem;
font-weight: 600;
color: var(--accent-light);
float: left;
line-height: 0.8;
margin: 0.1rem 0.15rem 0 0;
}

.post-body h2 {
font-family: 'Cinzel', serif;
font-size: 0.8rem;
letter-spacing: 0.18em;
text-transform: uppercase;
color: var(--accent);
margin: 2.5rem 0 1rem;
}

.post-body h3 {
font-family: 'Cormorant Garamond', serif;
font-size: 1.25rem;
font-weight: 600;
font-style: italic;
color: var(--accent-light);
margin: 2rem 0 0.75rem;
}

.post-body blockquote {
border-left: 2px solid var(--accent);
margin: 2rem 0;
padding: 0.5rem 0 0.5rem 1.5rem;
font-family: 'Cormorant Garamond', serif;
font-style: italic;
font-size: 1.15rem;
color: var(--text-muted);
}

.post-body a {
color: var(--accent-light);
text-decoration: underline;
text-underline-offset: 3px;
text-decoration-color: var(--border);
transition: all var(--transition);
}

.post-body a:hover {
color: var(--clr-primary-a50);
text-decoration-color: var(--accent-dim);
}

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

.post-body hr::after {
content: '✦';
position: absolute;
top: -0.6rem;
left: 50%;
transform: translateX(-50%);
background: var(--bg);
padding: 0 0.75rem;
color: var(--accent);
font-size: 0.7rem;
}

/* ── Blog page additions ────────────────────────────────────
   Append to styles.css after the previous additions block
   ─────────────────────────────────────────────────────────── */

/* Tag filter bar */
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 2rem;
}

.tag-filter {
  font-family: 'Cinzel', serif;
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  background: transparent;
  cursor: pointer;
  transition: all var(--transition);
}

.tag-filter:hover {
  color: var(--accent-light);
  border-color: var(--accent-dim);
}

.tag-filter-active {
  color: var(--clr-surface-a0);
  background: var(--accent);
  border-color: var(--accent);
}

.tag-filter-active:hover {
  color: var(--clr-surface-a0);
  background: var(--accent-dim);
  border-color: var(--accent-dim);
}

/* Post list item with excerpt */
.post-item-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  flex: 1;
  min-width: 0;
}

.post-excerpt {
  font-family: 'Cormorant Garamond', serif;
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.5;
  margin: 0;
}

.post-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.1rem;
}

.post-inline-tag {
  font-size: 0.58rem;
}

/* Empty state */
.blog-empty {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  color: var(--text-muted);
  font-size: 1rem;
}

/* Loading state */
.post-loading {
  opacity: 0.4;
}