/* ═══════════════════════════════════════════
   Catppuccin Hugo Theme — CSS
   Palette: Mocha (dark) + Latte (light)
═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Outfit:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

/* ── Catppuccin Mocha (dark) ── */
:root, [data-theme="mocha"] {
  --base:     #1e1e2e;
  --mantle:   #181825;
  --crust:    #11111b;
  --surface0: #313244;
  --surface1: #45475a;
  --surface2: #585b70;
  --overlay0: #6c7086;
  --overlay1: #7f849c;
  --overlay2: #9399b2;
  --subtext0: #a6adc8;
  --subtext1: #bac2de;
  --text:     #cdd6f4;
  --lavender: #b4befe;
  --blue:     #89b4fa;
  --sapphire: #74c7ec;
  --sky:      #89dceb;
  --teal:     #94e2d5;
  --green:    #a6e3a1;
  --yellow:   #f9e2af;
  --peach:    #fab387;
  --maroon:   #eba0ac;
  --red:      #f38ba8;
  --mauve:    #cba6f7;
  --pink:     #f5c2e7;
  --flamingo: #f2cdcd;
  --rosewater:#f5e0dc;

  --accent:        var(--mauve);
  --accent-alt:    var(--lavender);
  --accent-warm:   var(--peach);
  --link:          var(--blue);
  --link-hover:    var(--lavender);
  --code-bg:       var(--mantle);
  --border:        var(--surface0);
  --border-subtle: rgba(180, 190, 254, 0.12);
  --shadow:        0 4px 24px rgba(0,0,0,0.4);
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.3);
  --glow:          0 0 24px rgba(203, 166, 247, 0.15);
}

/* ── Catppuccin Latte (light) ── */
[data-theme="latte"] {
  --base:     #eff1f5;
  --mantle:   #e6e9ef;
  --crust:    #dce0e8;
  --surface0: #ccd0da;
  --surface1: #bcc0cc;
  --surface2: #acb0be;
  --overlay0: #9ca0b0;
  --overlay1: #8c8fa1;
  --overlay2: #7c7f93;
  --subtext0: #6c6f85;
  --subtext1: #5c5f77;
  --text:     #4c4f69;
  --lavender: #7287fd;
  --blue:     #1e66f5;
  --sapphire: #209fb5;
  --sky:      #04a5e5;
  --teal:     #179299;
  --green:    #40a02b;
  --yellow:   #df8e1d;
  --peach:    #fe640b;
  --maroon:   #e64553;
  --red:      #d20f39;
  --mauve:    #8839ef;
  --pink:     #ea76cb;
  --flamingo: #dd7878;
  --rosewater:#dc8a78;

  --accent:        var(--mauve);
  --accent-alt:    var(--lavender);
  --accent-warm:   var(--peach);
  --link:          var(--blue);
  --link-hover:    var(--mauve);
  --code-bg:       var(--mantle);
  --border:        var(--surface0);
  --border-subtle: rgba(124, 127, 147, 0.2);
  --shadow:        0 4px 24px rgba(76, 79, 105, 0.12);
  --shadow-sm:     0 2px 8px rgba(76, 79, 105, 0.08);
  --glow:          0 0 24px rgba(136, 57, 239, 0.08);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  background-color: var(--base);
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  font-weight: 400;
  line-height: 1.7;
  transition: background-color 0.3s ease, color 0.3s ease;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ══ Scrollbar ══ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--mantle); }
::-webkit-scrollbar-thumb { background: var(--surface1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ══ Selection ══ */
::selection { background: rgba(203, 166, 247, 0.25); color: var(--text); }

/* ══ Layout ══ */
.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

main { flex: 1; }

/* ══ HEADER ══ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(30, 30, 46, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  padding: 0;
}

[data-theme="latte"] .site-header {
  background: rgba(239, 241, 245, 0.88);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-family: 'DM Serif Display', serif;
  font-size: 1.3rem;
  color: var(--text);
  letter-spacing: -0.01em;
  transition: color 0.2s;
}

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

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--mauve), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  color: var(--subtext1);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  transition: all 0.2s ease;
  letter-spacing: 0.01em;
}

.nav-link:hover, .nav-link.active {
  color: var(--text);
  background: var(--surface0);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: none;
  background: transparent;
  color: var(--subtext1);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  font-size: 1rem;
}

.btn-icon:hover {
  background: var(--surface0);
  color: var(--text);
}

/* ══ HERO ══ */
.hero {
  padding: 5rem 0 4rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(203, 166, 247, 0.12) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface0);
  border: 1px solid var(--border-subtle);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.9rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.4rem, 6vw, 4rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1.25rem;
}

.hero-title em {
  font-style: italic;
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--subtext0);
  max-width: 540px;
  margin: 0 auto 2.5rem;
  line-height: 1.65;
  font-weight: 300;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* ══ BUTTONS ══ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.4rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: 'Outfit', sans-serif;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--accent);
  color: var(--base);
  border-color: var(--accent);
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 20px rgba(203, 166, 247, 0.3);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-outline:hover {
  background: var(--surface0);
  border-color: var(--surface1);
  transform: translateY(-1px);
}

/* ══ DIVIDER ══ */
.section-divider {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 3rem 0;
}

/* ══ POST CARDS ══ */
.posts-section { padding: 2rem 0 4rem; }

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.section-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  color: var(--text);
  letter-spacing: -0.02em;
}

.section-link {
  font-size: 0.85rem;
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}

.section-link:hover { gap: 8px; }

/* Featured Post */
.post-featured {
  background: var(--mantle);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
  text-decoration: none;
  color: inherit;
}

.post-featured:hover {
  border-color: rgba(203, 166, 247, 0.3);
  box-shadow: var(--glow);
  transform: translateY(-2px);
}

.post-featured-image {
  background: linear-gradient(135deg, var(--surface0), var(--surface1));
  min-height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  position: relative;
  overflow: hidden;
}

.post-featured-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(203,166,247,0.1), rgba(137,180,250,0.1));
}

.post-featured-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.75rem;
}

/* Post Grid */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
}

.post-card {
  background: var(--mantle);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--mauve), var(--blue));
  opacity: 0;
  transition: opacity 0.25s;
}

.post-card:hover {
  border-color: rgba(203, 166, 247, 0.25);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}

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

/* Post Meta */
.post-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.post-date {
  font-size: 0.78rem;
  color: var(--overlay1);
  font-family: 'JetBrains Mono', monospace;
  font-weight: 400;
}

.post-tag {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  background: var(--surface0);
  color: var(--accent);
  text-decoration: none;
  transition: all 0.2s;
}

.post-tag:hover {
  background: var(--surface1);
}

.post-tag--mauve { color: var(--mauve); }
.post-tag--blue  { color: var(--blue);  }
.post-tag--green { color: var(--green); }
.post-tag--peach { color: var(--peach); }
.post-tag--teal  { color: var(--teal);  }
.post-tag--pink  { color: var(--pink);  }

.post-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.15rem;
  line-height: 1.35;
  color: var(--text);
  letter-spacing: -0.015em;
}

.post-excerpt {
  font-size: 0.88rem;
  color: var(--subtext0);
  line-height: 1.6;
  flex: 1;
}

.post-readmore {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: auto;
}

/* ══ SINGLE POST ══ */
.post-single {
  padding: 3rem 0 5rem;
}

.post-header {
  margin-bottom: 3rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.post-header .post-meta { margin-bottom: 1rem; }

.post-header .post-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1rem;
}

.post-description {
  font-size: 1.05rem;
  color: var(--subtext0);
  line-height: 1.65;
  font-weight: 300;
}

.post-author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mauve), var(--blue));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.author-info { display: flex; flex-direction: column; gap: 2px; }
.author-name { font-size: 0.9rem; font-weight: 600; color: var(--text); }
.author-role { font-size: 0.78rem; color: var(--subtext0); }

/* ══ POST CONTENT ══ */
.post-content {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  font-family: 'DM Serif Display', serif;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 2.5rem 0 1rem;
  color: var(--text);
}

.post-content h2 { font-size: 1.6rem; }
.post-content h3 { font-size: 1.3rem; }
.post-content h4 { font-size: 1.1rem; }

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

.post-content a {
  color: var(--link);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(137, 180, 250, 0.4);
  transition: all 0.2s;
}

.post-content a:hover {
  color: var(--link-hover);
  text-decoration-color: var(--link-hover);
}

.post-content blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--accent);
  background: var(--mantle);
  border-radius: 0 10px 10px 0;
  color: var(--subtext1);
  font-style: italic;
}

.post-content blockquote p:last-child { margin-bottom: 0; }

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

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

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

.post-content img {
  max-width: 100%;
  border-radius: 12px;
  margin: 1.5rem 0;
  border: 1px solid var(--border-subtle);
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.post-content th {
  background: var(--surface0);
  color: var(--text);
  font-weight: 600;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 2px solid var(--border);
}

.post-content td {
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--subtext1);
}

.post-content tr:hover td { background: var(--mantle); }

/* ══ CODE ══ */
code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85em;
  background: var(--surface0);
  color: var(--peach);
  padding: 0.15em 0.4em;
  border-radius: 5px;
}

pre {
  background: var(--crust) !important;
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-size: 0.875rem;
  line-height: 1.65;
  position: relative;
}

pre code {
  background: none;
  color: var(--text);
  padding: 0;
  font-size: inherit;
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--mantle);
  border: 1px solid var(--border-subtle);
  border-bottom: none;
  border-radius: 12px 12px 0 0;
  padding: 0.6rem 1rem;
  font-size: 0.8rem;
  color: var(--subtext0);
  font-family: 'JetBrains Mono', monospace;
}

.code-header + pre {
  border-radius: 0 0 12px 12px;
  margin-top: 0;
}

.code-dots {
  display: flex;
  gap: 6px;
}

.code-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.code-dot:nth-child(1) { background: var(--red); }
.code-dot:nth-child(2) { background: var(--yellow); }
.code-dot:nth-child(3) { background: var(--green); }

/* ══ TAGS PAGE ══ */
.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 2rem 0;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.5rem 1.1rem;
  border-radius: 999px;
  background: var(--mantle);
  border: 1px solid var(--border-subtle);
  color: var(--subtext1);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.2s;
}

.tag-item:hover {
  background: var(--surface0);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.tag-count {
  background: var(--surface0);
  color: var(--overlay1);
  font-size: 0.72rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  font-family: 'JetBrains Mono', monospace;
}

/* ══ LIST PAGE ══ */
.page-header {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2.5rem;
}

.page-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  color: var(--text);
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  font-size: 0.95rem;
  color: var(--subtext0);
}

.posts-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.post-list-item {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border-subtle);
  text-decoration: none;
  color: inherit;
  transition: all 0.2s;
}

.post-list-item:hover { padding-left: 0.5rem; }
.post-list-item:hover .post-list-title { color: var(--accent); }

.post-list-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: var(--overlay1);
  flex-shrink: 0;
  padding-top: 0.25rem;
  min-width: 90px;
}

.post-list-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.1rem;
  color: var(--text);
  margin-bottom: 0.3rem;
  letter-spacing: -0.015em;
  transition: color 0.2s;
}

.post-list-excerpt {
  font-size: 0.85rem;
  color: var(--subtext0);
  line-height: 1.55;
}

/* ══ PAGINATION ══ */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: 3rem 0;
}

.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--subtext1);
  background: var(--mantle);
  border: 1px solid var(--border-subtle);
  transition: all 0.2s;
}

.page-link:hover, .page-link.active {
  background: var(--surface0);
  color: var(--text);
  border-color: var(--accent);
}

.page-link.active {
  background: var(--accent);
  color: var(--base);
  border-color: var(--accent);
}

/* ══ TABLE OF CONTENTS ══ */
.toc {
  background: var(--mantle);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent);
  border-radius: 0 12px 12px 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  font-size: 0.88rem;
}

.toc-title {
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.toc nav ul { list-style: none; padding: 0; margin: 0; }
.toc nav li { margin-bottom: 0.35rem; }
.toc nav a { color: var(--subtext1); text-decoration: none; transition: color 0.2s; }
.toc nav a:hover { color: var(--accent); }
.toc nav ul ul { padding-left: 1rem; margin-top: 0.35rem; }

/* ══ SEARCH ══ */
.search-box {
  position: relative;
  max-width: 420px;
}

.search-input {
  width: 100%;
  background: var(--mantle);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 1rem 0.6rem 2.5rem;
  color: var(--text);
  font-family: 'Outfit', sans-serif;
  font-size: 0.9rem;
  outline: none;
  transition: all 0.2s;
}

.search-input::placeholder { color: var(--overlay0); }
.search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(203, 166, 247, 0.12); }

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--overlay0);
  font-size: 0.9rem;
}

/* ══ FOOTER ══ */
.site-footer {
  background: var(--mantle);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0 2rem;
  margin-top: auto;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-brand .site-logo {
  display: inline-flex;
  margin-bottom: 0.75rem;
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--subtext0);
  line-height: 1.6;
  max-width: 260px;
}

.footer-heading {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--overlay2);
  margin-bottom: 1rem;
}

.footer-links { list-style: none; display: flex; flex-direction: column; gap: 0.5rem; }

.footer-links a {
  color: var(--subtext0);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--overlay0);
}

.footer-palette {
  display: flex;
  gap: 4px;
  align-items: center;
}

.palette-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* ══ ABOUT SECTION (homepage _index.md) ══ */
.about-section { padding: 1rem 0 2rem; }

.about-card {
  background: var(--mantle);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 2.5rem 3rem;
}

.about-card .post-content img {
  max-width: 180px;
  border-radius: 50%;
  float: right;
  margin: 0 0 1.5rem 2rem;
  border: 3px solid var(--surface1);
}

@media (max-width: 600px) {
  .about-card { padding: 1.5rem; }
  .about-card .post-content img {
    float: none;
    display: block;
    margin: 0 auto 1.5rem;
    max-width: 120px;
  }
}

/* ══ COPY BUTTON ══ */
.code-wrapper {
  position: relative;
}

.copy-btn {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  background: var(--surface0);
  border: 1px solid var(--border-subtle);
  color: var(--overlay1);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  opacity: 0;
  padding: 0;
  z-index: 1;
}

.code-wrapper:hover .copy-btn { opacity: 1; }

.copy-btn:hover {
  background: var(--surface1);
  border-color: var(--mauve);
  color: var(--mauve);
}

.copy-btn--done {
  opacity: 1;
  border-color: var(--green);
  color: var(--green);
  background: rgba(166, 227, 161, 0.1);
}

.back-to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--surface0);
  border: 1px solid var(--border-subtle);
  color: var(--subtext1);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s;
  z-index: 50;
  font-size: 1rem;
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent);
  color: var(--base);
  border-color: var(--accent);
}

/* ══ CALLOUTS ══ */
.callout {
  display: flex;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-radius: 10px;
  border: 1px solid;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.callout-icon { font-size: 1.1rem; flex-shrink: 0; }

.callout-note   { background: rgba(137, 180, 250, 0.08); border-color: rgba(137, 180, 250, 0.3); }
.callout-tip    { background: rgba(166, 227, 161, 0.08); border-color: rgba(166, 227, 161, 0.3); }
.callout-warn   { background: rgba(249, 226, 175, 0.08); border-color: rgba(249, 226, 175, 0.3); }
.callout-danger { background: rgba(243, 139, 168, 0.08); border-color: rgba(243, 139, 168, 0.3); }

/* ══ ABOUT / 404 ══ */
.page-single {
  padding: 4rem 0;
  max-width: 660px;
}

.error-page {
  text-align: center;
  padding: 6rem 0;
}

.error-code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 7rem;
  font-weight: 400;
  color: var(--surface1);
  line-height: 1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.05em;
}

.error-code span { color: var(--accent); }

/* ══ ANIMATIONS ══ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}

.animate-fade-up {
  animation: fadeInUp 0.6s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-delay-3 { animation-delay: 0.3s; opacity: 0; }

/* ══ MOBILE MENU ══ */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  cursor: pointer;
  padding: 6px;
  border: none;
  background: none;
}

.mobile-toggle span {
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ══ RESPONSIVE ══ */
@media (max-width: 768px) {
  .mobile-toggle { display: flex; }

  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--mantle);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 1rem;
    gap: 0.25rem;
  }

  .site-nav.open { display: flex; }
  .nav-link { width: 100%; }

  .post-featured { grid-template-columns: 1fr; }
  .post-featured-image { min-height: 160px; }

  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.75rem; text-align: center; }

  .post-list-date { display: none; }
  .posts-grid { grid-template-columns: 1fr; }

  /* .hero { padding: 3rem 0 2.5rem; } */
}