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

:root {
  --bg:        #090909;
  --bg-raised: #111111;
  --bg-hover:  #161616;
  --border:    #222222;
  --border-hi: #2e2e2e;
  --text:      #d4d4d4;
  --text-dim:  #9e9a9a;
  --text-muted:#747272;
  --accent:    #aa4e62;
  --accent-dim:#5c0813;
  --red:       #ff4444;
  --amber:     #ffaa00;
  --font:      'JetBrains Mono', 'Consolas', 'Courier New', monospace;
  --lh:        1.7;
  --max-w:     900px;
  --narrow-w:  680px;
}

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: var(--lh);
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

a {
  color: var(--text);
  text-decoration: none;
}

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

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

/* --- scanlines overlay --- */
.scanlines {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0px,
    transparent 3px,
    rgba(0,0,0,0.06) 3px,
    rgba(0,0,0,0.06) 4px
  );
  opacity: 0.4;
}

/* --- layout --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: var(--narrow-w);
}

.site-main {
  flex: 1;
  padding: 48px 0 80px;
}

/* --- header --- */
.site-header {
  border-bottom: 1px solid var(--border);
  padding: 18px 0;
  position: sticky;
  top: 0;
  background: rgba(9,9,9,0.95);
  backdrop-filter: blur(4px);
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-name {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--text);
}

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

.site-nav {
  display: flex;
  gap: 28px;
}

.site-nav a {
  font-size: 13px;
  color: var(--text-dim);
  transition: color 0.15s;
}

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

.site-nav a.active {
  color: var(--accent);
}

/* --- cursor animations --- */
.cursor,
.blink {
  color: var(--accent);
  animation: blink 1.1s step-end infinite;
}

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

/* --- footer --- */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  margin-top: auto;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 12px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 12px;
  color: var(--text-muted);
  transition: color 0.15s;
}

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

/* --- hero / homepage --- */
.hero {
  padding: 48px 0 56px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 48px;
}

.hero-prompt {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 64px;
  align-items: start;
}

.hero-title {
  font-size: clamp(28px, 5vw, 42px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.2;
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-bio {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 420px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* --- buttons --- */
.btn {
  display: inline-block;
  padding: 7px 16px;
  font-family: var(--font);
  font-size: 12px;
  border: 1px solid var(--border-hi);
  color: var(--text);
  transition: all 0.15s;
  cursor: pointer;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 11px;
}

/* --- skill block --- */
.skill-block,
.status-block {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 20px;
  margin-bottom: 16px;
}

.block-label {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.skill-group {
  margin-bottom: 16px;
}

.skill-group:last-child {
  margin-bottom: 0;
}

.skill-group-name {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.skill-tags-sm {
  margin-top: 10px;
}

.tag {
  font-size: 11px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.tag-sm {
  font-size: 10px;
  padding: 1px 6px;
}

/* --- status --- */
.status-line {
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.status-line:last-child {
  margin-bottom: 0;
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-hi);
  flex-shrink: 0;
}

.dot-on {
  background: var(--accent);
  box-shadow: 0 0 6px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

/* status tag colors */
.status-active  { color: var(--accent); border-color: var(--accent-dim); }
.status-wip     { color: var(--amber);  border-color: #3d2a00; }
.status-archived{ color: var(--text-muted); border-color: var(--border); }

/* --- section headers --- */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.section-link {
  font-size: 11px;
  color: var(--text-dim);
}

.section-link:hover {
  color: var(--accent);
}

/* --- post list --- */
.recent-section {
  margin-bottom: 48px;
}

.post-list {
  display: flex;
  flex-direction: column;
}

.post-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
  transition: background 0.1s;
}

.post-row:hover {
  background: var(--bg-hover);
  margin: 0 -12px;
  padding: 11px 12px;
}

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

.post-date {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.post-title {
  font-size: 13px;
  color: var(--text);
  transition: color 0.15s;
}

.post-tag {
  font-size: 11px;
  color: var(--text-muted);
  text-align: right;
}

/* --- log page --- */
.page-header {
  padding: 40px 0 40px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 40px;
}

.page-title {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 12px;
}

.page-desc {
  font-size: 13px;
  color: var(--text-dim);
  max-width: 480px;
}

.post-list-full {
  gap: 0;
}

.year-group {
  margin-bottom: 32px;
}

.year-label {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  padding: 6px 0;
}

.post-row-full {
  grid-template-columns: 55px 1fr auto;
}

.post-row-meta {
  display: flex;
  gap: 6px;
}

.empty-state {
  font-size: 13px;
  color: var(--text-muted);
  padding: 32px 0;
}

/* --- projects page --- */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}

.project-card {
  background: var(--bg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  transition: background 0.15s;
}

.project-card:hover {
  background: var(--bg-hover);
}

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

.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.project-card-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.15s;
}

.project-card-desc {
  font-size: 12px;
  color: var(--text-dim);
  line-height: 1.7;
  flex: 1;
}

.project-card-date {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: auto;
  padding-top: 8px;
}

/* --- individual post / project --- */
.post-nav {
  margin-bottom: 32px;
}

.back-link {
  font-size: 12px;
  color: var(--text-dim);
}

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

.post-article {
  padding-bottom: 48px;
}

.post-header {
  margin-bottom: 40px;
}

.post-meta-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.post-date-full {
  font-size: 12px;
  color: var(--text-muted);
}

.post-tags {
  display: flex;
  gap: 6px;
}

.post-title-large {
  font-size: clamp(22px, 4vw, 32px);
  font-weight: 300;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: 16px;
}

.post-description {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.7;
}

.post-divider {
  height: 1px;
  background: var(--border);
  margin: 28px 0;
}

.project-links {
  display: flex;
  gap: 10px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* --- post content typography --- */
.post-content {
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

.post-content h2 {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  margin: 36px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.post-content h3 {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
  margin: 28px 0 12px;
}

.post-content p {
  margin-bottom: 18px;
  color: var(--text-dim);
}

.post-content strong {
  color: var(--text);
  font-weight: 500;
}

.post-content em {
  color: var(--text-dim);
  font-style: italic;
}

.post-content a {
  color: var(--accent);
  border-bottom: 1px solid var(--accent-dim);
}

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

.post-content ul,
.post-content ol {
  padding-left: 20px;
  margin-bottom: 18px;
  color: var(--text-dim);
}

.post-content li {
  margin-bottom: 6px;
}

.post-content blockquote {
  border-left: 2px solid var(--accent-dim);
  padding: 12px 20px;
  margin: 24px 0;
  background: var(--bg-raised);
}

.post-content blockquote p {
  margin: 0;
  color: var(--text-dim);
  font-style: italic;
}

/* --- code blocks --- */
.post-content code {
  font-family: var(--font);
  font-size: 12px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 1px 5px;
  color: var(--accent);
}

.post-content pre {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-left: 2px solid var(--accent-dim);
  padding: 20px;
  overflow-x: auto;
  margin: 20px 0;
  position: relative;
}

.post-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.75;
}

/* rouge syntax colors */
.highlight .k,  .highlight .kd { color: #cc99cd; }
.highlight .s,  .highlight .s1, .highlight .s2 { color: #7ec699; }
.highlight .c,  .highlight .c1 { color: var(--text-muted); font-style: italic; }
.highlight .mi, .highlight .mf { color: #f08d49; }
.highlight .nf { color: #6fb3d2; }
.highlight .nc { color: #f8c555; }
.highlight .nx { color: var(--text); }
.highlight .o  { color: var(--text-dim); }

/* --- post footer nav --- */
.post-footer-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.post-nav-link {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
}

.post-nav-link span:first-child {
  font-size: 11px;
}

.post-nav-link span:last-child {
  color: var(--text);
}

.post-nav-link:hover span:last-child {
  color: var(--accent);
}

.post-nav-link-right {
  text-align: right;
}

/* --- project preview --- */
.project-preview {
  margin: 32px 0;
  border: 1px solid var(--border);
}

.project-image {
  width: 100%;
  display: block;
  opacity: 0.85;
  filter: grayscale(0.2);
  transition: opacity 0.2s, filter 0.2s;
}

.project-image:hover {
  opacity: 1;
  filter: grayscale(0);
}

.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  margin: 32px 0;
}

.gallery-image {
  width: 100%;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.gallery-image:hover {
  opacity: 1;
}

.project-meta-block {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  padding: 16px 20px;
  margin: 24px 0;
}

/* --- contact --- */
.contact-grid {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.contact-block {
  padding: 24px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: center;
  gap: 16px;
}

.contact-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.contact-value {
  font-size: 13px;
  color: var(--text);
}

.contact-value:hover {
  color: var(--accent);
}

.pgp-fingerprint {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 16px;
  line-height: 1.8;
}

.contact-note {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.8;
}

/* --- utility --- */
.dim {
  color: var(--text-dim);
}

/* --- responsive --- */
@media (max-width: 720px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .site-nav {
    gap: 16px;
  }

  .site-nav a {
    font-size: 12px;
  }

  .post-row {
    grid-template-columns: 80px 1fr;
  }

  .post-tag {
    display: none;
  }

  .post-footer-nav {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .site-nav a:not(.active) {
    display: none;
  }

  .hero {
    padding: 32px 0 40px;
  }

  .project-grid {
    grid-template-columns: 1fr;
  }
}

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