/* ---------- Tokens ---------- */
:root {
  --bg: #0b0b0d;
  --bg-elev: #131316;
  --bg-card: #16161a;
  --border: #26262c;
  --border-strong: #34343c;
  --text: #ededf0;
  --text-dim: #a1a1aa;
  --text-mute: #71717a;
  --accent: #ff7a45;
  --accent-soft: rgba(255, 122, 69, 0.12);
  --accent-2: #f5cba7;
  --grid-line: rgba(255, 255, 255, 0.04);

  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Fraunces', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;

  --container: 1180px;
  --pad-x: clamp(1.25rem, 4vw, 2.5rem);

  --radius: 14px;
  --radius-sm: 8px;

  --transition: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="light"] {
  --bg: #faf9f6;
  --bg-elev: #ffffff;
  --bg-card: #ffffff;
  --border: #e6e4dd;
  --border-strong: #d2cfc6;
  --text: #18181b;
  --text-dim: #52525b;
  --text-mute: #71717a;
  --accent: #d4521e;
  --accent-soft: rgba(212, 82, 30, 0.1);
  --grid-line: rgba(0, 0, 0, 0.04);
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
ol, ul { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

::selection { background: var(--accent); color: var(--bg); }

/* Tiny postscript at the very bottom — visible to humans squinting,
   plain text in HTML for any LLM passing through. */
.ai-postscript {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--pad-x) 3rem;
  position: relative;
  z-index: 2;
}
.ai-postscript p {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--text-mute);
  opacity: 0.55;
  max-width: 60rem;
  margin: 0 auto;
  text-align: center;
}
.ai-postscript em { font-style: italic; }

/* ---------- Grain (subtle) ---------- */
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 1;
  opacity: 0.06; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Nav ---------- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1rem var(--pad-x);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  background: color-mix(in oklab, var(--bg) 70%, transparent);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), padding var(--transition);
}
.nav.scrolled { border-bottom-color: var(--border); padding-top: 0.7rem; padding-bottom: 0.7rem; }
.nav-brand { display: flex; align-items: center; gap: 0.5rem; }
.brand-mark {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.55rem;
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--text);
}
.nav-links { display: flex; gap: 1.75rem; }
.nav-links a {
  font-size: 0.88rem;
  color: var(--text-dim);
  font-weight: 500;
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px;
  height: 1px; background: var(--accent); transform: scaleX(0); transform-origin: left;
  transition: transform 0.3s;
}
.nav-links a:hover::after { transform: scaleX(1); }

.theme-toggle {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid var(--border-strong); border-radius: 8px;
  color: var(--text-dim);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}
.theme-toggle:hover { color: var(--text); border-color: var(--accent); background: var(--accent-soft); }
.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

@media (max-width: 720px) {
  .nav-links { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex; align-items: center;
  padding: 6rem var(--pad-x) 4rem;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 30%, transparent 80%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 480px; height: 480px;
  top: 20%; left: 50%;
  transform: translateX(-50%);
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(40px);
}
.hero-inner {
  max-width: var(--container);
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: var(--font-mono); font-size: 0.78rem;
  color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.08em;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 100px;
  margin-bottom: 2.5rem;
  background: var(--bg-elev);
}
.eyebrow .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #4ade80;
  box-shadow: 0 0 8px #4ade80;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero h1 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2.75rem, 7.5vw, 6.5rem);
  line-height: 0.98;
  letter-spacing: -0.025em;
  margin-bottom: 2rem;
  font-variation-settings: "opsz" 144;
}
.accent { color: var(--accent); font-style: italic; }

.lede {
  max-width: 38rem;
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  color: var(--text-dim);
  line-height: 1.55;
  margin-bottom: 2.5rem;
}
.lede a {
  color: var(--text);
  border-bottom: 1px solid var(--border-strong);
  transition: border-color 0.2s, color 0.2s;
}
.lede a:hover { color: var(--accent); border-color: var(--accent); }

.hero-cta {
  display: flex; flex-wrap: wrap; gap: 0.75rem;
  margin-bottom: 4.5rem;
}
.btn {
  display: inline-flex; align-items: center; gap: 0.55rem;
  padding: 0.85rem 1.4rem;
  font-size: 0.95rem; font-weight: 500;
  border-radius: 100px;
  border: 1px solid transparent;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #0b0b0d;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 10px 30px -10px var(--accent); }
.btn-ghost {
  border-color: var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

.hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1.25rem 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  max-width: 52rem;
}
.hero-meta > div { display: flex; flex-direction: column; gap: 0.2rem; }
.meta-key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
}
.meta-val { font-size: 0.95rem; color: var(--text); }

/* ---------- Sections ---------- */
.section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 6rem var(--pad-x);
  position: relative;
  z-index: 2;
}
.section-header {
  display: flex; align-items: baseline; gap: 1.25rem;
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}
.section-num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
}
.section-header h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  letter-spacing: -0.02em;
  font-variation-settings: "opsz" 144;
}
.section-lede {
  max-width: 38rem;
  color: var(--text-dim);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
}
.subsection-title {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-mute);
  margin: 3rem 0 1.5rem;
}
.subsection-title:first-child { margin-top: 0; }

/* ---------- Proficiencies ---------- */
.proficiencies {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}
.card {
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--transition), transform var(--transition);
}
.card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.card h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
  font-variation-settings: "opsz" 30;
}
.card h3:last-child { margin-bottom: 0; }
.card p { color: var(--text-dim); font-size: 0.97rem; line-height: 1.55; }

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  display: flex; flex-direction: column; gap: 2rem;
}
.timeline::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 1px; background: var(--border);
}
.timeline-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 2rem;
  padding-left: 2rem;
  position: relative;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -4px; top: 8px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}
.timeline-meta {
  display: flex; flex-direction: column; gap: 0.5rem;
}
.timeline-dates {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.timeline-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
}
.timeline-body h3 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
  font-variation-settings: "opsz" 30;
}
.timeline-body h3 a {
  color: var(--accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
}
.timeline-body h3 a:hover { border-color: var(--accent); }
.timeline-body p { color: var(--text-dim); font-size: 0.97rem; }
.bullet-list {
  display: flex; flex-direction: column; gap: 0.4rem;
  color: var(--text-dim);
  font-size: 0.97rem;
}
.bullet-list li {
  position: relative;
  padding-left: 1.1rem;
}
.bullet-list li::before {
  content: '—';
  position: absolute;
  left: 0; top: 0;
  color: var(--text-mute);
}
.timeline-body p a {
  color: var(--text);
  border-bottom: 1px solid var(--border-strong);
  transition: color 0.2s, border-color 0.2s;
}
.timeline-body p a:hover { color: var(--accent); border-color: var(--accent); }

@media (max-width: 720px) {
  .timeline-item { grid-template-columns: 1fr; gap: 0.5rem; }
}

/* ---------- Liberland ---------- */
.liberland-section { position: relative; }
.liberland-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.lib-card {
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.lib-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: var(--accent);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.4s ease;
}
.lib-card:hover { border-color: var(--border-strong); transform: translateY(-3px); }
.lib-card:hover::before { transform: scaleY(1); }
.lib-role {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.lib-card p { color: var(--text-dim); font-size: 0.97rem; }
.lib-card a {
  color: var(--text);
  border-bottom: 1px solid var(--border-strong);
  transition: color 0.2s, border-color 0.2s;
}
.lib-card a:hover { color: var(--accent); border-color: var(--accent); }

/* ---------- Projects ---------- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
}
.project {
  display: block;
  padding: 1.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  position: relative;
  cursor: pointer;
}
.project.static { cursor: default; }
.project:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}
.project.static:hover { transform: none; }
.project h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.6rem;
  display: flex; align-items: center; justify-content: space-between; gap: 0.5rem;
  font-variation-settings: "opsz" 30;
}
.project p {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.55;
}
.project p a {
  color: var(--text);
  border-bottom: 1px solid var(--border-strong);
  transition: color 0.2s, border-color 0.2s;
}
.project p a:hover { color: var(--accent); border-color: var(--accent); }
.ext {
  font-size: 0.85rem;
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-weight: 400;
  transition: color 0.2s, transform 0.2s;
  display: inline-block;
}
.project:hover .ext { color: var(--accent); transform: translate(2px, -2px); }
.year {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-mute);
  font-weight: 400;
}

/* ---------- Events ---------- */
.events-list {
  display: flex; flex-direction: column;
  border-top: 1px solid var(--border);
}
.event {
  display: grid;
  grid-template-columns: 1.4fr 1fr 2fr;
  gap: 2rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--border);
  transition: padding var(--transition);
}
.event:not(.static) { cursor: pointer; }
.event:not(.static):hover { padding-left: 1rem; }
.event:not(.static):hover .event-name { color: var(--accent); }
.event-name {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: 1.3rem;
  letter-spacing: -0.01em;
  transition: color 0.2s;
  font-variation-settings: "opsz" 30;
}
.event-meta {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-mute);
  align-self: center;
}
.event-desc { color: var(--text-dim); font-size: 0.97rem; align-self: center; }
@media (max-width: 720px) {
  .event { grid-template-columns: 1fr; gap: 0.4rem; padding: 1.25rem 0; }
}

/* ---------- Contact ---------- */
.contact-section {
  padding-top: 8rem; padding-bottom: 8rem;
  text-align: center;
}
.contact-inner h2 {
  font-family: var(--font-serif);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin-bottom: 3rem;
  font-variation-settings: "opsz" 144;
}
.contact-icons {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 0.75rem;
}
.contact-icon {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.7rem;
  width: 92px;
  padding: 1.1rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-dim);
  transition: all var(--transition);
}
.contact-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
  transform: translateY(-3px);
}
.contact-icon svg { width: 22px; height: 22px; }
.contact-icon span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-mute);
  transition: color var(--transition);
}
.contact-icon:hover span { color: var(--accent); }

/* ---------- Footer ---------- */
.footer {
  max-width: var(--container);
  margin: 0 auto;
  padding: 2rem var(--pad-x) 3rem;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-mute);
  letter-spacing: 0.04em;
  position: relative;
  z-index: 2;
}
.footer-meta { text-align: right; }
@media (max-width: 600px) {
  .footer { flex-direction: column; gap: 0.5rem; text-align: center; }
  .footer-meta { text-align: center; }
}

/* ---------- Reveal animation ---------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}