:root {
  --bg-deep: #131c29;
  --bg-deep-2: #1a2740;
  --bg-panel: #1b232d;
  --bg-panel-2: #212b37;
  --line: #2a3644;
  --copper: #f5a623;
  --copper-dim: #c9840f;
  --blue: #4a6bec;
  --text: #eef1f5;
  --text-muted: #8fa3b8;
  --text-faint: #5c6c7d;
  --ok: #6bcf8e;
  --radius: 10px;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: radial-gradient(120% 140% at 15% 0%, var(--bg-deep-2) 0%, var(--bg-deep) 55%);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

a { color: inherit; }
:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }

/* CRT overlay */
.crt-overlay {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 50;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.02) 0px,
    rgba(255,255,255,0.02) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: 0.5;
}

/* ---------- BOOT SEQUENCE ---------- */
.boot {
  position: fixed;
  inset: 0;
  background: #0e141d;
  color: #9fe6b0;
  font-family: var(--mono);
  font-size: 14px;
  padding: 32px;
  z-index: 100;
  overflow: hidden;
}
.boot-lines { white-space: pre-wrap; max-width: 720px; }
.boot-lines .line { opacity: 0; animation: appear 0.05s forwards; }
.boot-lines .blink-cursor {
  display: inline-block;
  width: 8px; height: 14px;
  background: #9fe6b0;
  margin-left: 2px;
  animation: blink 1s step-end infinite;
  vertical-align: -2px;
}
@keyframes appear { to { opacity: 1; } }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- SITE ---------- */
.site { animation: fadein 0.6s ease; }
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }

.trace-rail {
  position: fixed;
  top: 0; bottom: 0; left: 24px;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--line) 8%, var(--line) 92%, transparent);
  z-index: 0;
  display: none;
}
@media (min-width: 900px) { .trace-rail { display: block; } }

.hero, main, .site-footer { position: relative; z-index: 1; }

/* Nav */
.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 24px 0;
  font-family: var(--mono);
}
.brand { font-weight: 600; letter-spacing: 0.02em; color: var(--text); }
.cursor { color: var(--copper); animation: blink 1.1s step-end infinite; }
.navlinks a {
  text-decoration: none;
  color: var(--text-muted);
  margin-left: 24px;
  font-size: 14px;
  transition: color 0.15s;
}
.navlinks a:hover { color: var(--copper); }

/* Hero */
.hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 64px 24px 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
}
@media (min-width: 900px) {
  .hero { grid-template-columns: 1.1fr 0.9fr; align-items: center; padding-top: 88px; }
}
.eyebrow {
  font-family: var(--mono);
  color: var(--copper);
  font-size: 13px;
  letter-spacing: 0.04em;
  margin: 0 0 16px;
}
.hero h1 {
  font-family: var(--mono);
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.1;
  margin: 0 0 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.hero-sub {
  color: var(--text-muted);
  font-size: 17px;
  max-width: 46ch;
  margin: 0 0 32px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.btn {
  font-family: var(--mono);
  font-size: 14px;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 6px;
  border: 1px solid transparent;
  transition: transform 0.15s, border-color 0.15s, background 0.15s;
  display: inline-block;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--copper); color: #191008; font-weight: 600; }
.btn-primary:hover { background: #ffb640; }
.btn-ghost { border-color: var(--line); color: var(--text); }
.btn-ghost:hover { border-color: var(--copper); color: var(--copper); }

/* Hero terminal panel */
.hero-panel, .contact-panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 50px -20px rgba(0,0,0,0.5);
}
.panel-head {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 12px 14px;
  background: var(--bg-panel-2);
  border-bottom: 1px solid var(--line);
}
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.dot.red { background: #e5675f; }
.dot.yellow { background: #e5b84b; }
.dot.green { background: #5fbf6e; }
.panel-title {
  margin-left: 8px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
}
.panel-body {
  margin: 0;
  padding: 20px 18px 22px;
  font-family: var(--mono);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--text-muted);
  white-space: pre-wrap;
  word-break: break-word;
}
.prompt { color: var(--copper); }
.path { color: var(--blue); }
.ok { color: var(--ok); }

/* Sections */
.section { max-width: 1080px; margin: 0 auto; padding: 56px 24px; }
.section-title {
  font-family: var(--mono);
  font-size: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 32px;
}
.tag {
  color: var(--copper-dim);
  background: rgba(245, 166, 35, 0.1);
  border: 1px solid rgba(245, 166, 35, 0.25);
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 13px;
}

/* Project chips (IC-style cards) */
.chip {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 26px 26px 30px;
  margin-bottom: 20px;
  border-left: 3px solid var(--copper);
}
.chip-pins {
  position: absolute;
  left: -1px; top: 18px; bottom: 18px;
  width: 3px;
  background: repeating-linear-gradient(to bottom, var(--copper-dim) 0 6px, transparent 6px 14px);
  opacity: 0.6;
  display: none;
}
.chip-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 10px;
}
.chip-head h3 { margin: 0; font-size: 18px; font-weight: 600; }
.chip-tag {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-faint);
  white-space: nowrap;
}
.chip p { margin: 0 0 14px; color: var(--text-muted); max-width: 62ch; }
.chip-meta {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper-dim);
}

/* repo row */
.repo-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 8px;
}
@media (min-width: 700px) { .repo-row { grid-template-columns: repeat(3, 1fr); } }
.repo-card {
  text-decoration: none;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.15s, transform 0.15s;
}
.repo-card:hover { border-color: var(--copper-dim); transform: translateY(-2px); }
.repo-name { font-family: var(--mono); font-weight: 600; color: var(--text); }
.repo-desc { font-size: 13.5px; color: var(--text-muted); }
.repo-lang { font-size: 12px; color: var(--text-faint); display: flex; align-items: center; gap: 6px; }
.lang-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--c); display: inline-block; }

/* stack grid */
.stack-grid {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
@media (min-width: 700px) { .stack-grid { grid-template-columns: repeat(3, 1fr); } }
.stack-grid li {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.stack-name { font-family: var(--mono); font-weight: 600; }
.stack-note { font-size: 12.5px; color: var(--text-faint); }

/* contact */
.contact-body a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.contact-body a:hover { border-bottom-color: var(--blue); }

/* footer */
.site-footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 24px 24px 56px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-faint);
  display: flex;
  gap: 10px;
}