/* Wireframe — Lo-fi gray wireframe */
:root {
  --bg: #f5f5f5;
  --surface: #ffffff;
  --text: #333333;
  --muted: #777777;
  --accent: #333333;
  --accent-2: #999999;
  --border: rgba(15,23,42,0.1);
  --radius: 0px;
  --header-h: 4rem;
  --wrap: 68rem;
  --font: "Helvetica Neue", system-ui, sans-serif;
  --mono: "Courier New", ui-monospace, monospace;
  --serif: "Helvetica Neue", Georgia, serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --shadow: 0 16px 40px rgba(0,0,0,0.12);
  color-scheme: light;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 0.5rem); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1 !important; transform: none !important; }
  .bg-canvas { display: none; }
}
body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
.bg-canvas { opacity: 0.15; }

.bg-canvas { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; opacity: 0.4; }
main, .site-header, .site-footer, #nn-switcher { position: relative; z-index: 1; }
a { color: var(--accent); text-decoration: none; }
a:hover { filter: brightness(1.1); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.skip { position: absolute; left: 1rem; top: -80px; background: var(--accent); color: var(--bg); padding: 0.4rem 0.8rem; border-radius: 999px; z-index: 99; }
.skip:focus { top: 0.5rem; }
.wrap { width: min(100% - 2rem, var(--wrap)); margin-inline: auto; }
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s var(--ease), transform 0.5s var(--ease); transition-delay: var(--d, 0s); }
.reveal.in { opacity: 1; transform: none; }
.site-header {
  position: sticky; top: 0; z-index: 40; height: var(--header-h);
  backdrop-filter: blur(12px); background: color-mix(in srgb, var(--bg) 80%, transparent);
  border-bottom: 1px solid var(--border);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.header-actions { display: flex; align-items: center; gap: 0.5rem 0.75rem; }
.brand { font-family: var(--mono); font-weight: 600; color: var(--text); }
.brand-dot { color: var(--accent); }
.site-nav { display: flex; flex-wrap: wrap; gap: 0.85rem; align-items: center; }
.site-nav a { color: var(--muted); font-weight: 500; font-size: 0.9rem; }
.site-nav a:hover { color: var(--text); }
.nav-cta { padding: 0.4rem 0.85rem !important; border-radius: 999px; border: 1px solid var(--border); background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--text) !important; }
.theme-toggle, .nav-toggle {
  width: 2.6rem; height: 2.6rem; border-radius: 0.65rem; border: 1px solid var(--border);
  background: var(--surface); color: var(--text); cursor: pointer; display: grid; place-items: center;
}
.theme-icon-sun { display: none; }
html[data-theme="light"] .theme-icon-moon { display: none; }
html[data-theme="light"] .theme-icon-sun { display: block; }
/* theme toggle is cosmetic on fixed skins — still allows invert */
html[data-theme="light"] body { filter: none; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; }
.nav-toggle span { width: 1rem; height: 2px; background: var(--text); display: block; }
.hero { padding: 3.5rem 0 2.5rem; }
.hero-layout { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 1.75rem; align-items: center; }
.eyebrow { font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.85rem; }
.hero h1 { margin: 0; font-size: clamp(2.2rem, 6vw, 3.5rem); line-height: 1.05; letter-spacing: -0.03em; }
.hero-role { margin: 0.5rem 0 0; color: var(--accent); font-weight: 600; font-size: 1.2rem; }
.lede { margin: 1.1rem 0 0; color: var(--muted); max-width: 38rem; font-size: 1.05rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.55rem; margin-top: 1.5rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 2.7rem;
  padding: 0.55rem 1.1rem; border-radius: 999px; font-weight: 600; border: 1px solid transparent; cursor: pointer;
}
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
html[data-theme="light"] .btn.primary, body .btn.primary { color: #fff; }
.btn.ghost { border-color: var(--border); color: var(--text); background: transparent; }
.btn.ghost:hover { background: color-mix(in srgb, var(--accent) 10%, transparent); }
.hero-pills { list-style: none; display: flex; flex-wrap: wrap; gap: 0.45rem; padding: 0; margin: 1.5rem 0 0; }
.hero-pills li {
  font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.35rem 0.7rem;
  border-radius: 999px; border: 1px solid var(--border); color: var(--muted); background: var(--surface);
}
.viz-card, .about-card, .skill-card, .timeline-item, .project-card, .insight-card, .skill-meters, .contact-panel {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
}
.viz-card { padding: 0.85rem; }
.viz-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.4rem; }
.viz-label, .viz-unit, .section-kicker, .project-label, .meters-title {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
}
.viz-live { color: var(--accent); font-size: 0.72rem; font-weight: 600; display: inline-flex; gap: 0.35rem; align-items: center; }
.viz-live i { width: 0.4rem; height: 0.4rem; border-radius: 50%; background: var(--accent); }
#hero-viz, #career-chart, #domain-chart { width: 100%; height: auto; display: block; border-radius: calc(var(--radius) - 4px); background: color-mix(in srgb, var(--bg) 70%, transparent); }
.viz-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.4rem; margin-top: 0.65rem; text-align: center; }
.viz-stats span { display: block; font-size: 1.25rem; font-weight: 700; }
.viz-stats small { font-size: 0.68rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.section { padding: 3rem 0; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.section-head h2 { margin: 0; font-size: clamp(1.4rem, 3vw, 1.85rem); letter-spacing: -0.02em; }
.section-kicker { margin: 0; }
.about-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 1.25rem; }
.about-copy p { color: var(--muted); margin: 0 0 1rem; }
.about-copy strong { color: var(--text); }
.about-card { padding: 1.15rem 1.2rem; }
.about-card dl { margin: 0; display: grid; gap: 0.85rem; }
.about-card dt { font-family: var(--mono); font-size: 0.65rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.about-card dd { margin: 0.15rem 0 0; font-weight: 600; }
.about-links { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem; padding-top: 0.85rem; border-top: 1px solid var(--border); font-weight: 500; font-size: 0.9rem; }
.timeline { list-style: none; margin: 0; padding: 0 0 0 1.15rem; border-left: 1px solid var(--border); display: grid; gap: 0.75rem; }
.timeline-item { position: relative; padding: 1rem 1.1rem; transition: transform 0.2s ease; }
.timeline-item::before {
  content: ""; position: absolute; left: calc(-1.15rem - 4px); top: 1.25rem;
  width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 25%, transparent);
}
.timeline-item:hover { transform: translateY(-2px); }
.timeline-meta { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.25rem; align-items: center; }
.timeline-meta time { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); }
.badge { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 0.15rem 0.45rem; border-radius: 999px; background: color-mix(in srgb, var(--accent) 18%, transparent); color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); }
.timeline-item h3 { margin: 0; font-size: 1.05rem; }
.org { margin: 0.2rem 0 0.45rem; color: var(--accent); font-weight: 500; font-size: 0.92rem; }
.timeline-item ul { margin: 0; padding-left: 1.05rem; color: var(--muted); font-size: 0.92rem; }
.skills-intro { color: var(--muted); margin: -0.4rem 0 1rem; }
.skills-layout { display: grid; grid-template-columns: 1.3fr 0.9fr; gap: 1rem; }
.skills-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; }
.skill-card { padding: 1rem; }
.skill-card h3 { margin: 0 0 0.65rem; font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.tags { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.35rem; }
.tags li { font-size: 0.8rem; padding: 0.28rem 0.55rem; border-radius: 999px; border: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 50%, var(--surface)); }
.tags li.hi { border-color: color-mix(in srgb, var(--accent) 50%, transparent); background: color-mix(in srgb, var(--accent) 12%, transparent); }
.skill-meters { padding: 1.1rem; }
.meters-title { margin: 0 0 0.25rem; font-size: 0.95rem; letter-spacing: 0; text-transform: none; font-family: var(--font); color: var(--text); font-weight: 700; }
.meters-note { margin: 0 0 0.9rem; font-size: 0.8rem; color: var(--muted); }
.meters { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; }
.meters li span { display: block; font-size: 0.85rem; font-weight: 500; margin-bottom: 0.3rem; }
.meter { height: 0.5rem; border-radius: 999px; background: color-mix(in srgb, var(--muted) 20%, transparent); overflow: hidden; }
.meter i { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: inherit; transition: width 0.85s var(--ease); }
.insights-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.insight-card { padding: 1rem; }
.chart-legend { list-style: none; margin: 0.6rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 0.85rem; font-size: 0.75rem; color: var(--muted); }
.chart-legend li { display: inline-flex; gap: 0.3rem; align-items: center; }
.chart-legend i { width: 0.5rem; height: 0.5rem; border-radius: 2px; background: var(--accent); }
.insight-caption { margin: 0.65rem 0 0; font-size: 0.85rem; color: var(--muted); }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.project-card { padding: 1.2rem; display: flex; flex-direction: column; gap: 0.3rem; }
.project-card.featured { border-color: color-mix(in srgb, var(--accent) 40%, transparent); background: linear-gradient(145deg, color-mix(in srgb, var(--accent) 10%, var(--surface)), var(--surface)); }
.project-card h3 { margin: 0.1rem 0 0; font-size: 1.15rem; }
.project-sub { margin: 0; color: var(--accent); font-weight: 500; font-size: 0.9rem; }
.project-card > p { margin: 0.4rem 0 0; color: var(--muted); font-size: 0.92rem; }
.project-note { margin-top: auto !important; padding-top: 0.75rem; border-top: 1px dashed var(--border); font-size: 0.82rem !important; }
.edu-list { list-style: none; margin: 0.5rem 0 0; padding: 0; display: grid; gap: 0.75rem; }
.edu-list li { display: grid; gap: 0.1rem; }
.edu-list span { font-size: 0.82rem; color: var(--muted); }
.contact-section { padding-bottom: 5rem; }
.contact-panel { padding: 1.75rem; display: grid; gap: 1.25rem; border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.contact-panel h2 { margin: 0.25rem 0 0; font-size: clamp(1.5rem, 4vw, 2rem); }
.contact-actions { display: flex; flex-wrap: wrap; gap: 0.55rem; }
.contact-hint { margin: 0; font-size: 0.78rem; color: var(--muted); }
.site-footer { border-top: 1px solid var(--border); padding: 1.35rem 0 2.25rem; color: var(--muted); font-size: 0.85rem; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 0.75rem 1.25rem; justify-content: space-between; align-items: center; }
.footer-inner p { margin: 0; }
.to-top { color: var(--muted); font-weight: 500; }

* { box-shadow: none !important; }
.btn.primary { background: #eee !important; color: #333 !important; border: 1px dashed #333 !important; }
.timeline-item, .skill-card, .project-card, .viz-card, .about-card, .insight-card {
  border: 1px dashed #999 !important; background: #fff !important;
}
.bg-canvas { display: none !important; }

@media (max-width: 980px) {
  .hero-layout, .about-grid, .skills-layout, .insights-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .cards { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .nav-toggle { display: grid; }
  .site-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; display: none; flex-direction: column;
    padding: 0.75rem 1rem 1rem; background: var(--bg); border-bottom: 1px solid var(--border); gap: 0;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 0.8rem 0.25rem; border-bottom: 1px solid var(--border); }
  .skills-grid { grid-template-columns: 1fr; }
  body.nav-open { overflow: hidden; }
}