:root {
  --bg: #030905;
  --bg-alt: #060f09;
  --green: #00ff66;
  --green-dim: #00b34a;
  --green-faint: #0a5c2c;
  --amber: #ffb000;
  --red: #ff3b3b;
  --text: #c8ffd9;
  --text-dim: #6fae85;
  --border: #12452a;
  --mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  --glow: 0 0 6px rgba(0, 255, 102, 0.55), 0 0 16px rgba(0, 255, 102, 0.18);
  --maxw: 900px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
}

.hidden { display: none !important; }

/* ---------- Boot screen ---------- */
#boot-screen {
  position: fixed;
  inset: 0;
  background: #000;
  color: var(--green);
  z-index: 1000;
  padding: 6vh 6vw;
  font-size: 13px;
}
#boot-log {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  text-shadow: var(--glow);
}
#boot-log .caret::after {
  content: "_";
  animation: blink 1s steps(1) infinite;
}

/* ---------- Background FX ---------- */
#matrix {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  opacity: 0.16;
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0px,
    rgba(0, 0, 0, 0.12) 1px,
    rgba(0, 0, 0, 0) 2px
  );
  mix-blend-mode: multiply;
}

.crt-vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(0,0,0,0) 55%, rgba(0,0,0,0.55) 100%);
}

body.fx-off .scanlines,
body.fx-off .crt-vignette,
body.fx-off #matrix { display: none; }

/* ---------- Layout ---------- */
#site { position: relative; z-index: 2; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(3, 9, 5, 0.86);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.prompt { color: var(--green); font-weight: 700; text-shadow: var(--glow); white-space: nowrap; }
.dim { color: var(--text-dim); }
.path { color: var(--amber); }

.nav {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  flex: 1;
}
.navlink {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.85rem;
  padding: 0.3rem 0.55rem;
  cursor: pointer;
  border-radius: 2px;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.navlink::before { content: "./"; color: var(--green-faint); }
.navlink:hover, .navlink.active {
  color: var(--green);
  border-color: var(--border);
  background: rgba(0, 255, 102, 0.06);
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  border-radius: 2px;
}
.icon-btn:hover { color: var(--green); border-color: var(--green-dim); }

main { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

.section {
  padding: 3.5rem 0;
  border-bottom: 1px dashed var(--border);
}
.section:last-of-type { border-bottom: none; }

.section h2 {
  font-size: 1.05rem;
  color: var(--green);
  text-shadow: var(--glow);
  margin: 0 0 1.25rem;
  letter-spacing: 0.02em;
}
.section h2.mt { margin-top: 2.5rem; }
.cmd { color: var(--amber); }

/* ---------- Hero ---------- */
.hero {
  padding-top: 4rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.ascii-banner {
  color: var(--green-dim);
  font-size: 0.42rem;
  line-height: 1.05;
  margin: 0 auto 1.5rem;
  text-shadow: var(--glow);
  overflow-x: auto;
}
.hero h1 {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  margin: 0 0 0.75rem;
  color: #eafff2;
  letter-spacing: 0.03em;
}
.typewriter {
  color: var(--green);
  font-size: 1rem;
  min-height: 1.4em;
  border-right: 2px solid var(--green);
  display: inline-block;
  white-space: nowrap;
  overflow: hidden;
  padding-right: 4px;
}
.hero-tags {
  margin: 1.5rem 0 0.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}
.tag {
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 0.25rem 0.6rem;
  font-size: 0.78rem;
  border-radius: 2px;
}
.tag::before { content: "# "; color: var(--green-faint); }

.hero-cta {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  padding-bottom: 1rem;
}
.btn {
  display: inline-block;
  color: #001a0a;
  background: var(--green);
  padding: 0.6rem 1.1rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 2px;
  box-shadow: var(--glow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 0 10px rgba(0,255,102,0.8), 0 0 26px rgba(0,255,102,0.35); }
.btn-outline {
  background: transparent;
  color: var(--green);
  border: 1px solid var(--green-dim);
  box-shadow: none;
}
.btn-outline:hover { background: rgba(0,255,102,0.08); }

/* Glitch heading */
.glitch {
  position: relative;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  left: 0; right: 0; top: 0;
  opacity: 0.75;
}
.glitch::before {
  color: var(--red);
  animation: glitch-a 4.5s infinite linear;
  clip-path: inset(0 0 60% 0);
}
.glitch::after {
  color: #00e0ff;
  animation: glitch-b 5.5s infinite linear;
  clip-path: inset(60% 0 0 0);
}
@keyframes glitch-a {
  0%, 92%, 100% { transform: translate(0,0); opacity: 0; }
  93% { transform: translate(-2px,-1px); opacity: 0.6; }
  95% { transform: translate(2px,1px); opacity: 0.5; }
  97% { transform: translate(-1px,0); opacity: 0; }
}
@keyframes glitch-b {
  0%, 90%, 100% { transform: translate(0,0); opacity: 0; }
  91% { transform: translate(2px,1px); opacity: 0.55; }
  94% { transform: translate(-2px,-1px); opacity: 0.45; }
  96% { transform: translate(1px,0); opacity: 0; }
}

/* ---------- whoami ---------- */
.term-block {
  border: 1px solid var(--border);
  background: rgba(0, 40, 18, 0.18);
  padding: 1.25rem 1.4rem;
  border-radius: 3px;
}
.term-block p { margin: 0 0 0.9rem; }
.term-block p:last-child { margin-bottom: 0; }
.hl { color: var(--green); font-weight: 700; }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 0.6rem;
}
.skill-card {
  border: 1px solid var(--border);
  padding: 0.65rem 0.8rem;
  font-size: 0.85rem;
  color: var(--text);
  border-radius: 2px;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.skill-card:hover { border-color: var(--green-dim); background: rgba(0,255,102,0.05); }
.skill-idx { color: var(--green-faint); margin-right: 0.5rem; }

/* ---------- Experience timeline ---------- */
.timeline {
  border-left: 1px solid var(--border);
  padding-left: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}
.commit { position: relative; }
.commit::before {
  content: "";
  position: absolute;
  left: -1.56rem;
  top: 0.35rem;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: var(--glow);
}
.commit.root::before { background: var(--amber); box-shadow: 0 0 6px rgba(255,176,0,0.6); }
.commit-meta {
  display: flex;
  gap: 0.75rem;
  align-items: baseline;
  font-size: 0.78rem;
  margin-bottom: 0.35rem;
}
.commit-hash { color: var(--amber); font-weight: 700; }
.commit-date { color: var(--text-dim); }
.commit h3 { margin: 0 0 0.15rem; font-size: 1.02rem; color: #eafff2; }
.commit-org { color: var(--green-dim); font-size: 0.85rem; margin-bottom: 0.5rem; }
.commit ul { margin: 0; padding-left: 1.1rem; }
.commit li { margin-bottom: 0.4rem; color: var(--text); font-size: 0.92rem; }
.commit li:last-child { margin-bottom: 0; }
.commit li::marker { color: var(--green-faint); }

/* ---------- Education ---------- */
.edu-grid {
  display: grid;
  gap: 0.9rem;
}
.edu-card {
  border: 1px solid var(--border);
  border-left: 3px solid var(--green-dim);
  padding: 1rem 1.2rem;
  border-radius: 2px;
  background: rgba(0, 40, 18, 0.12);
}
.edu-degree { color: #eafff2; font-weight: 700; margin-bottom: 0.2rem; }
.edu-school { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 0.4rem; }
.edu-detail { margin: 0; font-size: 0.85rem; }
.edu-detail a { color: var(--amber); }

/* ---------- Certs ---------- */
.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}
.badge {
  border: 1px solid var(--green-dim);
  color: var(--green);
  padding: 0.4rem 0.85rem;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 2px;
  background: rgba(0,255,102,0.06);
}
.term-note { color: var(--text-dim); font-size: 0.85rem; }

/* ---------- Talks / log feed ---------- */
.log-feed {
  border: 1px solid var(--border);
  background: rgba(0, 10, 5, 0.4);
  padding: 1rem 1.25rem;
  border-radius: 3px;
  font-size: 0.85rem;
}
.log-feed p { margin: 0 0 0.55rem; }
.log-feed p:last-child { margin-bottom: 0; }
.log-feed a { color: var(--amber); }
.log-tag { font-weight: 700; margin-right: 0.5rem; }
.log-tag.ok { color: var(--green); }
.log-tag.talk { color: #00c8ff; }
.log-tag.media { color: var(--amber); }

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.9rem;
  margin-bottom: 1.25rem;
}
.contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  border: 1px solid var(--border);
  padding: 1rem 1.2rem;
  border-radius: 2px;
  text-decoration: none;
  color: var(--text);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.contact-card:not(.static):hover {
  border-color: var(--green);
  background: rgba(0,255,102,0.06);
  transform: translateY(-2px);
}
.contact-label { color: var(--green-faint); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em; }
.contact-label::before { content: "> "; }
.contact-value { color: var(--green); font-weight: 700; word-break: break-word; }

/* ---------- Footer ---------- */
.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  color: var(--text-dim);
  font-size: 0.8rem;
}
.blink-cursor { color: var(--green); animation: blink 1s steps(1) infinite; }
.footer-note { margin-left: 0.5rem; }

@keyframes blink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .glitch::before, .glitch::after { animation: none; display: none; }
  .blink-cursor, #boot-log .caret::after { animation: none; opacity: 1; }
  #matrix { display: none; }
}

/* ---------- Chat widget ---------- */
.chat-toggle {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 60;
  background: var(--green);
  color: #001a0a;
  border: none;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.65rem 1rem;
  border-radius: 3px;
  cursor: pointer;
  box-shadow: var(--glow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.chat-toggle:hover { transform: translateY(-1px); box-shadow: 0 0 10px rgba(0,255,102,0.8), 0 0 26px rgba(0,255,102,0.35); }
.chat-toggle-label::before { content: "> "; }

.chat-panel {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 61;
  width: min(380px, calc(100vw - 2.5rem));
  height: min(520px, calc(100vh - 4rem));
  background: #030905;
  border: 1px solid var(--green-dim);
  border-radius: 4px;
  box-shadow: 0 0 24px rgba(0, 255, 102, 0.2), 0 12px 40px rgba(0,0,0,0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.chat-panel.hidden { display: none !important; }

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--border);
  background: rgba(0, 255, 102, 0.05);
}
.chat-header .prompt { font-size: 0.82rem; }

.chat-log {
  flex: 1;
  overflow-y: auto;
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.86rem;
}
.chat-msg {
  margin: 0;
  padding: 0.5rem 0.7rem;
  border-radius: 3px;
  line-height: 1.5;
  max-width: 92%;
  white-space: pre-wrap;
  word-break: break-word;
}
.chat-msg-bot {
  align-self: flex-start;
  background: rgba(0, 255, 102, 0.06);
  border: 1px solid var(--border);
  color: var(--text);
}
.chat-msg-user {
  align-self: flex-end;
  background: rgba(0, 176, 74, 0.16);
  border: 1px solid var(--green-dim);
  color: #eafff2;
}
.chat-msg-error {
  align-self: flex-start;
  background: rgba(255, 59, 59, 0.08);
  border: 1px solid var(--red);
  color: var(--red);
}
.chat-msg-pending { color: var(--text-dim); font-style: italic; }

.chat-form {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-top: 1px solid var(--border);
  padding: 0.6rem 0.7rem;
  background: rgba(0, 40, 18, 0.15);
}
.chat-prompt { color: var(--green); font-weight: 700; }
.chat-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.85rem;
}
.chat-input::placeholder { color: var(--text-dim); }
.chat-send {
  background: transparent;
  border: 1px solid var(--green-dim);
  color: var(--green);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.3rem 0.6rem;
  border-radius: 2px;
  cursor: pointer;
}
.chat-send:hover { background: rgba(0,255,102,0.08); }
.chat-send:disabled { opacity: 0.5; cursor: not-allowed; }

@media (max-width: 640px) {
  .chat-panel { right: 0.75rem; bottom: 0.75rem; }
  .chat-toggle { right: 0.75rem; bottom: 0.75rem; }
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .topbar-inner { gap: 0.75rem; }
  .nav { order: 3; width: 100%; }
  .ascii-banner { font-size: 0.24rem; }
  .typewriter { white-space: normal; border-right: none; }
}