:root {
  --bg: #ffffff;
  --bg-alt: #f4f6f9;
  --text: #1a1a1a;
  --text-muted: #64748b;
  --accent: #0ea5a5;
  --accent-2: #e8772e;
  --accent-soft: rgba(14, 165, 165, 0.07);
  --border: #e2e8f0;
  --card-bg: #ffffff;
  --card-shadow: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.03);
  --card-hover: 0 8px 24px rgba(0,0,0,0.08);
  --visual-bg: #0f172a;
  --gradient: linear-gradient(135deg, #0ea5a5, #e8772e);
}

[data-theme="dark"] {
  --bg: #070b10;
  --bg-alt: #0d1219;
  --text: #e6edf3;
  --text-muted: #8b949e;
  --accent: #2dd4bf;
  --accent-2: #f59e0b;
  --accent-soft: rgba(45, 212, 191, 0.08);
  --border: #1e2a3a;
  --card-bg: #0d1219;
  --card-shadow: 0 1px 3px rgba(0,0,0,0.3);
  --card-hover: 0 8px 24px rgba(0,0,0,0.5);
  --visual-bg: #060a0f;
  --gradient: linear-gradient(135deg, #2dd4bf, #f59e0b);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 60px; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: 960px; margin: 0 auto; padding: 0 24px; }

/* ── Scroll reveal ──────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.visible { opacity: 1; transform: translateY(0); }

/* ── Nav ────────────────────────────────── */
nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.nav-inner { display: flex; justify-content: space-between; align-items: center; height: 52px; }

.nav-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-decoration: none;
}

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

.nav-links a {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s;
  position: relative;
}

.nav-links a:hover,
.nav-links a.active { color: var(--accent); text-decoration: none; }

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0; right: 0;
  height: 2px;
  background: var(--gradient);
  border-radius: 1px;
}

.theme-toggle {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px;
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  transition: color 0.15s, border-color 0.15s;
}

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

[data-theme="light"] .icon-moon,
[data-theme="dark"] .icon-sun { display: none; }

/* ── Hero ───────────────────────────────── */
header {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
}

.header-text { flex: 1; }

.header-llama { flex-shrink: 0; }

.llama-hero {
  width: 180px;
  height: auto;
  border-radius: 16px;
  filter: drop-shadow(0 0 20px rgba(14, 165, 165, 0.2));
  transition: filter 0.3s, transform 0.3s;
}

.llama-hero:hover {
  filter: drop-shadow(0 0 30px rgba(14, 165, 165, 0.4));
  transform: scale(1.03);
}

[data-theme="dark"] .llama-hero {
  filter: drop-shadow(0 0 24px rgba(45, 212, 191, 0.3));
}

[data-theme="dark"] .llama-hero:hover {
  filter: drop-shadow(0 0 36px rgba(45, 212, 191, 0.5));
}

.eyebrow {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 8px;
}

header h1 {
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.hero-text {
  margin-top: 16px;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 580px;
}

.hero-text strong { color: var(--text); font-weight: 600; }

.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }

.hero-tags span {
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 5px 13px;
  border-radius: 20px;
  opacity: 0;
  animation: tagIn 0.4s ease forwards;
}

.hero-cta {
  display: inline-block;
  margin-top: 18px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--accent);
  transition: opacity 0.2s;
}
.hero-cta:hover { opacity: 0.8; text-decoration: none; }

@keyframes tagIn {
  from { opacity: 0; transform: translateY(8px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ── Sections ───────────────────────────── */
section { padding: 56px 0; }
section:nth-of-type(odd) { background: var(--bg-alt); }

h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 32px;
  letter-spacing: -0.015em;
}

/* ── About cards ────────────────────────── */
.about-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

.about-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
}

.about-card:hover {
  box-shadow: var(--card-hover);
  transform: translateY(-3px);
  border-color: var(--accent);
}

.card-emoji { font-size: 1.6rem; margin-bottom: 10px; }

.about-card h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; }

.about-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

/* ── Project cards ──────────────────────── */
.projects-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }

.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: box-shadow 0.25s, transform 0.25s;
}

.project-card:hover { box-shadow: var(--card-hover); transform: translateY(-3px); }

.project-card.featured {
  border-color: var(--accent);
  border-width: 2px;
}

.project-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }

.project-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }

.project-card h3 { font-size: 1rem; font-weight: 600; }

.project-card h3 a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 1px;
}

.project-card h3 a:hover { color: var(--accent); text-decoration: none; }

.project-badge {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 9px;
  border-radius: 10px;
  white-space: nowrap;
  flex-shrink: 0;
}

.project-desc { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; flex: 1; }

.project-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }

.project-tags span {
  font-size: 0.73rem;
  font-weight: 500;
  color: var(--text-muted);
  border: 1px solid var(--border);
  padding: 2px 9px;
  border-radius: 5px;
}

/* ── Project visuals ────────────────────── */
.project-visual {
  height: 120px;
  background: var(--visual-bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 14px 20px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  line-height: 1.6;
  overflow: hidden;
  position: relative;
}

/* Terminal visual (Thurbox) */
.visual-terminal { gap: 1px; }

.term-bar { display: flex; gap: 5px; margin-bottom: 8px; }

.term-bar span { width: 8px; height: 8px; border-radius: 50%; background: #ff5f57; }
.term-bar span:nth-child(2) { background: #ffbd2e; }
.term-bar span:nth-child(3) { background: #28c840; }

.visual-terminal code { color: #c9d1d9; display: block; white-space: nowrap; }
.t-prompt { color: #2dd4bf; }
.t-flag { color: #d2a8ff; }
.t-ok { color: #3fb950; }
.t-run { color: #f59e0b; }
.t-dim { color: #6e7681; }

/* Cluster visual (Home Lab) */
.visual-cluster { display: flex; align-items: center; justify-content: center; padding: 0; }

.node-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; padding: 20px; }

.node { width: 12px; height: 12px; border-radius: 50%; background: #1e2a3a; transition: background 0.3s; }

.node.active {
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
  animation: nodePulse 2s ease-in-out infinite;
}

.node.active:nth-child(2n) { animation-delay: 0.5s; }
.node.active:nth-child(3n) { animation-delay: 1s; }

@keyframes nodePulse {
  0%, 100% { opacity: 1; box-shadow: 0 0 10px var(--accent); }
  50% { opacity: 0.4; box-shadow: 0 0 4px var(--accent); }
}

/* RPG visual (Peon Tactics) */
.visual-rpg { padding: 0; display: flex; align-items: center; justify-content: center; }

.rpg-scene { display: flex; flex-direction: column; align-items: center; gap: 6px; }

.rpg-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 2px;
}

.tile {
  width: 28px;
  height: 28px;
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.06);
}

.tile.grass { background: #1a3a2a; }
.tile.forest { background: #0f2e1f; box-shadow: inset 0 0 6px rgba(34, 120, 60, 0.5); }
.tile.mountain { background: #2a2a3a; box-shadow: inset 0 -3px 4px rgba(0,0,0,0.3); }
.tile.water { background: #0e2a4a; box-shadow: inset 0 0 8px rgba(45, 212, 191, 0.3); animation: waterShimmer 2s ease-in-out infinite; }
.tile.highlight { background: #1a3a2a; box-shadow: inset 0 0 0 2px rgba(245, 158, 11, 0.6); animation: tileGlow 1.5s ease-in-out infinite; }
.tile.unit-ally { background: #1a3a2a; position: relative; }
.tile.unit-enemy { background: #1a3a2a; position: relative; }

.tile.unit-ally::after {
  content: '⚔️';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.tile.unit-enemy::after {
  content: '💀';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

@keyframes waterShimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

@keyframes tileGlow {
  0%, 100% { box-shadow: inset 0 0 0 2px rgba(245, 158, 11, 0.4); }
  50% { box-shadow: inset 0 0 0 2px rgba(245, 158, 11, 0.9), inset 0 0 8px rgba(245, 158, 11, 0.2); }
}

.rpg-hud {
  display: flex;
  gap: 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  color: #c9d1d9;
}

.hud-hp { color: #f87171; }
.hud-turn { color: #f59e0b; }

/* Code visual (This Website) */
.visual-code { gap: 1px; padding-left: 28px; }

.visual-code code { color: #c9d1d9; display: block; white-space: nowrap; }
.t-tag { color: #f87171; }
.t-attr { color: #2dd4bf; }
.t-str { color: #a5d6ff; }

/* ── Tech stack ─────────────────────────── */
.stack-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.stack-category h3 {
  font-size: 0.76rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.stack-tags { display: flex; flex-wrap: wrap; gap: 7px; }

.stack-tags span {
  background: var(--card-bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 6px;
  transition: all 0.2s;
}

.stack-tags span:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--accent-soft);
}

/* ── Timeline ───────────────────────────── */
.timeline { position: relative; padding-left: 28px; max-width: 500px; }

.timeline::before {
  content: '';
  position: absolute;
  left: 5px; top: 6px; bottom: 6px;
  width: 2px;
  background: var(--gradient);
  border-radius: 1px;
  opacity: 0.4;
}

.timeline-item { position: relative; padding-bottom: 28px; }
.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -25px; top: 5px;
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 2px var(--accent), 0 0 12px var(--accent-soft);
  animation: dotPulse 3s ease-in-out infinite;
}

section:nth-of-type(odd) .timeline-dot { border-color: var(--bg-alt); }

.timeline-item:nth-child(2) .timeline-dot { animation-delay: 0.5s; background: var(--accent-2); box-shadow: 0 0 0 2px var(--accent-2); }
.timeline-item:nth-child(3) .timeline-dot { animation-delay: 1s; }

@keyframes dotPulse {
  0%, 100% { box-shadow: 0 0 0 2px var(--accent); }
  50% { box-shadow: 0 0 0 5px var(--accent-soft), 0 0 0 2px var(--accent); }
}

.timeline-date {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.timeline-content h3 { font-size: 0.95rem; font-weight: 600; margin-top: 2px; }
.timeline-content p { font-size: 0.88rem; color: var(--text-muted); margin-top: 1px; }

/* ── Footer ─────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.footer-inner { display: flex; justify-content: space-between; align-items: center; }

footer p { font-size: 0.8rem; color: var(--text-muted); }

.footer-arch {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.llama-icon { border-radius: 4px; object-fit: cover; }

/* ── GitHub activity ────────────────────── */
.github-grid {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.gh-chart {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
}

[data-theme="dark"] .gh-chart {
  filter: invert(1) hue-rotate(180deg);
  opacity: 0.9;
}

.gh-stats { display: flex; justify-content: center; }

.gh-stats-img {
  max-width: 400px;
  width: 100%;
}

[data-theme="dark"] .gh-stats-img {
  filter: invert(1) hue-rotate(180deg);
  opacity: 0.9;
}

/* ── Interactive terminal ───────────────── */
.term-widget {
  background: var(--visual-bg);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--card-shadow);
  max-width: 700px;
}

.term-chrome {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(255,255,255,0.03);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.term-chrome .term-bar { margin-bottom: 0; }

.term-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  color: #6e7681;
}

.term-body {
  padding: 16px;
  max-height: 280px;
  overflow-y: auto;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  line-height: 1.7;
}

.term-body a {
  color: var(--accent);
  text-decoration: underline;
}

.term-line {
  color: #c9d1d9;
  white-space: pre-wrap;
  word-break: break-word;
}

.term-input-row {
  display: flex;
  align-items: center;
  padding: 8px 16px 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  color: #c9d1d9;
}

.term-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: #c9d1d9;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  caret-color: var(--accent);
}

/* ── Thoughts ──────────────────────────── */
.thoughts-header { padding-bottom: 0; }

.thoughts-header h2 { margin-bottom: 12px; }

.thoughts-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
  margin-bottom: 0;
  line-height: 1.6;
}

.thoughts-list { display: flex; flex-direction: column; gap: 32px; }

.thought-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 40px;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.25s, border-color 0.25s;
}

.thought-card:hover {
  box-shadow: var(--card-hover);
  border-color: var(--accent);
}

.thought-date { margin-bottom: 16px; }

.thought-stamp {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.thought-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
}

.thought-body p {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.85;
  margin-bottom: 16px;
}

.thought-body p:last-child { margin-bottom: 0; }

@media (max-width: 768px) {
  .thought-card { padding: 24px 20px; }
  .thought-card h3 { font-size: 1.1rem; }
}

/* ── Responsive ─────────────────────────── */
@media (max-width: 768px) {
  header { padding: 40px 0 36px; }
  .header-inner { flex-direction: column-reverse; gap: 24px; text-align: center; }
  .header-text { text-align: left; }
  .llama-hero { width: 120px; }
  .hero-text { font-size: 0.95rem; }
  .hero-tags { justify-content: flex-start; }
  section { padding: 40px 0; }
  h2 { margin-bottom: 24px; }

  .about-grid,
  .projects-grid { grid-template-columns: 1fr; gap: 12px; }

  .stack-grid { grid-template-columns: 1fr 1fr; gap: 20px; }

  .nav-links a:not(.nav-external):not(.nav-page) { display: none; }

  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }

  .project-visual { height: 100px; }
}

@media (max-width: 480px) {
  .container { padding: 0 16px; }
  .stack-grid { grid-template-columns: 1fr; gap: 20px; }
  .hero-tags { gap: 6px; }
  .hero-tags span { font-size: 0.75rem; padding: 4px 10px; }
}