/* ============================================
   CSS CUSTOM PROPERTIES — THEME TOKENS
   ============================================ */

:root[data-theme="dark"] {
  --bg:             #0f0f0f;
  --bg-subtle:      #141414;
  --bg-card:        #161616;
  --border:         #222222;
  --border-strong:  #333333;
  --text-primary:   #e8e8e8;
  --text-secondary: #777777;
  --text-muted:     #444444;
  --accent:         #4a9eff;
  --accent-subtle:  #1a2a3a;
  --color-done:     #3d9970;
  --color-active:   #f0a500;
  --color-upcoming: #333333;
  --pipeline-bg:    #111111;
  --pipeline-stage: #1a1a1a;
  --shadow:         none;
}

:root[data-theme="light"] {
  --bg:             #f5f5f3;
  --bg-subtle:      #efefed;
  --bg-card:        #ffffff;
  --border:         #e0e0dc;
  --border-strong:  #c8c8c4;
  --text-primary:   #111111;
  --text-secondary: #666666;
  --text-muted:     #aaaaaa;
  --accent:         #2563eb;
  --accent-subtle:  #eff4ff;
  --color-done:     #1a7a52;
  --color-active:   #b07800;
  --color-upcoming: #cccccc;
  --pipeline-bg:    #ffffff;
  --pipeline-stage: #f9f9f7;
  --shadow:         0 1px 4px rgba(0,0,0,0.06);
}

/* ============================================
   RESET & BASE
   ============================================ */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: 'Inter', system-ui, sans-serif;
  line-height: 1.75;
  transition: background-color 0.25s ease, color 0.25s ease;
}

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

a:hover { opacity: 0.75; }

strong { font-weight: 500; }

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 0.5px solid var(--border);
  backdrop-filter: blur(8px);
}

.nav-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
}

.avail-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--color-done);
  background: transparent;
  border: 0.5px solid var(--color-done);
  padding: 4px 10px;
  border-radius: 20px;
  opacity: 0.85;
}

.avail-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-done);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.nav-link {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.15s;
}

.nav-link:hover {
  color: var(--text-primary);
  opacity: 1;
}

.theme-btn {
  width: 30px;
  height: 30px;
  border: 0.5px solid var(--border-strong);
  border-radius: 6px;
  background: var(--bg-card);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 15px;
  transition: border-color 0.2s, color 0.2s;
}

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

/* ============================================
   HERO
   ============================================ */

.hero {
  border-bottom: 0.5px solid var(--border);
}

.hero-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 72px 24px 64px;
}

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.hero-headline {
  font-size: 2rem;
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.hero-headline em {
  font-style: italic;
  font-weight: 400;
  color: var(--text-secondary);
}

.hero-body {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 560px;
}

.hero-body strong {
  color: var(--text-primary);
  font-weight: 500;
}

/* ============================================
   PIPELINE CARD
   ============================================ */

.pipeline-card {
  background: var(--pipeline-bg);
  border: 0.5px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  font-family: 'JetBrains Mono', monospace;
  box-shadow: var(--shadow);
}

.pipeline-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 0.5px solid var(--border);
  background: var(--bg-subtle);
}

.window-dots { display: flex; gap: 5px; }

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

.wdot-r { background: #ff5f57; }
.wdot-y { background: #ffbd2e; }
.wdot-g { background: #28c840; }

.pipeline-name {
  font-size: 11px;
  color: var(--text-secondary);
}

.pipeline-status {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--accent);
}

.pulse-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.5s infinite;
}

.pipeline-stages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 12px;
}

.stage {
  background: var(--pipeline-stage);
  border: 0.5px solid var(--border);
  border-radius: 6px;
  padding: 10px;
}

.stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.stage-name {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-primary);
}

.stage-tick {
  font-size: 11px;
}

.stage-tick.done { color: var(--color-done); }
.stage-tick.pending { color: var(--text-muted); }

.stage-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 0;
  font-size: 10px;
  color: var(--text-secondary);
}

.sdot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
}

.sdot.done     { background: var(--color-done); }
.sdot.active   { background: var(--accent); }
.sdot.pending  { background: var(--border-strong); }

.pipeline-footer {
  display: flex;
  gap: 16px;
  padding: 8px 14px;
  border-top: 0.5px solid var(--border);
  background: var(--bg-subtle);
  font-size: 10px;
  color: var(--text-muted);
}

.pipeline-footer em {
  font-style: normal;
  color: var(--color-done);
}

/* ============================================
   STATS ROW
   ============================================ */

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 0.5px solid var(--border);
  max-width: 100%;
}

.stat {
  padding: 20px 24px;
  border-right: 0.5px solid var(--border);
  max-width: 960px;
}

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

.stat-num {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  font-family: 'JetBrains Mono', monospace;
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  margin-top: 2px;
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
  border-bottom: 0.5px solid var(--border);
  padding: 56px 0;
}

.section-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.section-meta {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 32px;
}

/* ============================================
   PHILOSOPHY
   ============================================ */

.philosophy {
  max-width: 640px;
}

.philosophy p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 16px;
}

.philosophy p strong {
  color: var(--text-primary);
}

blockquote {
  border-left: 2px solid var(--accent);
  padding-left: 16px;
  margin: 24px 0;
  font-style: italic;
  color: var(--text-secondary);
  font-size: 0.92rem;
}

/* ============================================
   ROADMAP
   ============================================ */

.roadmap { display: flex; flex-direction: column; }

.roadmap-month { margin-bottom: 32px; }

.month-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.roadmap-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 0.5px solid var(--border);
}

.roadmap-item:last-child { border-bottom: none; }

.rdot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.rdot.done     { background: var(--color-done); }
.rdot.active   { background: var(--color-active); }
.rdot.upcoming { background: var(--color-upcoming); }

.ritem-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.ritem-title {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-primary);
}

.ritem-title.upcoming { color: var(--text-muted); }

.ritem-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.ritem-desc.upcoming { color: var(--text-muted); }

.rbadge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 3px;
  white-space: nowrap;
  margin-top: 4px;
  flex-shrink: 0;
}

.rbadge.done     { color: var(--color-done); border: 0.5px solid var(--color-done); }
.rbadge.active   { color: var(--color-active); border: 0.5px solid var(--color-active); }
.rbadge.upcoming { color: var(--text-muted); border: 0.5px solid var(--color-upcoming); }

/* ============================================
   WHAT I'VE BUILT
   ============================================ */

.built-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.built-item {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-subtle);
  transition: border-color 0.2s;
}

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

.built-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.built-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
}

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

.tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 10px;
  color: var(--text-muted);
  border: 0.5px solid var(--border);
  padding: 2px 8px;
  border-radius: 3px;
  transition: border-color 0.15s, color 0.15s;
}

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

/* ============================================
   CONTACT
   ============================================ */

.contact-grid {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 14px 0;
  max-width: 400px;
}

.ckey {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-muted);
  padding-top: 2px;
}

.cval {
  font-size: 14px;
  color: var(--text-secondary);
}

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

/* ============================================
   FOOTER
   ============================================ */

.footer {
  padding: 24px 0;
}

.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

.footer-stack {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 720px) {
  .hero-inner {
    grid-template-columns: 1fr;
    padding: 48px 20px 40px;
  }

  .hero-headline { font-size: 1.8rem; }

  .pipeline-card { display: none; }

  .stats-row { grid-template-columns: repeat(2, 1fr); }

  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(3) { border-right: 0.5px solid var(--border); }

  .nav-links { gap: 12px; }

  .avail-badge { display: none; }

  .footer-inner { flex-direction: column; gap: 8px; align-items: flex-start; }
}

@media (max-width: 480px) {
  .section { padding: 40px 0; }
  .hero-headline { font-size: 1.6rem; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}

/* ============================================
   CLOUD LOG HEATMAP
   ============================================ */

.cloud-log {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.clw-grid-wrap {
  overflow-x: auto;
  padding-bottom: 8px;
}

.clw-grid {
  display: grid;
  grid-template-rows: repeat(7, 12px);
  grid-auto-flow: column;
  grid-auto-columns: 12px;
  gap: 3px;
  width: max-content;
}

.clw-cell {
  width: 12px;
  height: 12px;
  border-radius: 2px;
  background: var(--border);
}

.clw-cell.level-1 { background: var(--accent); opacity: 0.35; }
.clw-cell.level-2 { background: var(--accent); opacity: 0.65; }
.clw-cell.level-3 { background: var(--accent); opacity: 1; }

.clw-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  font-size: 11px;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-muted);
}

.clw-legend .clw-cell {
  width: 11px;
  height: 11px;
}

ul.clw-entries {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

ul.clw-entries li {
  padding: 12px 0;
  border-top: 0.5px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
}

ul.clw-entries li:first-child {
  border-top: none;
}

.clw-date {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--accent);
  margin-right: 12px;
}

.clw-empty {
  color: var(--text-muted);
  font-size: 13px;
  font-family: 'JetBrains Mono', monospace;
}