/* Layout: the page is a terminal session. Each section is a command at a prompt, its content is the output. Dark-first, with a light "paper terminal" variant. */
:root {
  --bg: #070d12;
  --panel: #0c151c;
  --panel-2: #101c25;
  --ink: #d7e4ea;
  --muted: #7f95a3;
  --line: #1c2c37;
  --accent: #3fd6c4;     /* prompt / cursor cyan-teal */
  --signal: #f2a33a;     /* flags, warnings */
  --ok: #7bd88f;         /* running / pass */
  --grid: rgba(63, 214, 196, .05);
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #eef2f3; --panel: #ffffff; --panel-2: #f5f8f9; --ink: #0d1a22; --muted: #52646f;
    --line: #d3dde1; --accent: #067a6f; --signal: #b35900; --ok: #1f7a3a; --grid: rgba(6, 122, 111, .06);
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #eef2f3; --panel: #ffffff; --panel-2: #f5f8f9; --ink: #0d1a22; --muted: #52646f;
  --line: #d3dde1; --accent: #067a6f; --signal: #b35900; --ok: #1f7a3a; --grid: rgba(6, 122, 111, .06);
  color-scheme: light;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background-color: var(--bg); color: var(--ink);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 28px 28px;
  font-family: var(--body); font-size: 1rem; line-height: 1.6;
  padding-inline: 20px; padding-block: 0 64px;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; border-radius: 3px; }
::selection { background: var(--accent); color: var(--bg); }
.wrap { max-width: 900px; margin: 0 auto; }
.mono { font-family: var(--mono); }

/* nav */
nav {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  margin-inline: -20px; padding: 12px 20px;
  font-family: var(--mono); font-size: .85rem;
}
nav .wrap { display: flex; justify-content: space-between; align-items: center; gap: 12px 20px; flex-wrap: wrap; }
.mark { color: var(--ok); text-decoration: none; }
.mark b { color: var(--accent); font-weight: 500; }
.mark i { color: var(--muted); font-style: normal; }
nav ul { list-style: none; margin: 0 0 0 auto; padding: 0; display: flex; gap: 16px; flex-wrap: wrap; }
nav ul a { color: var(--muted); text-decoration: none; }
/* GitHub link */
.gh { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); text-decoration: none; border: 1px solid var(--line); background: var(--panel); border-radius: 6px; padding: 5px 10px; }
.gh:hover { border-color: var(--accent); color: var(--accent); }
.gh svg { flex: none; }
nav ul a:hover { color: var(--accent); }

/* prompt line used across the page */
.ps { color: var(--ok); }
.ps b { color: var(--accent); font-weight: 500; }
.ps i { color: var(--muted); font-style: normal; }
.cmd { color: var(--ink); }
.cursor { display: inline-block; width: .6em; height: 1.05em; background: var(--accent); vertical-align: -0.15em; margin-left: 4px; }
@media (prefers-reduced-motion: no-preference) { .cursor { animation: blink 1.1s steps(1) infinite; } }
@keyframes blink { 50% { opacity: 0; } }

/* hero terminal window */
header.hero { padding-block: 48px 36px; }
.term {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px; overflow: hidden;
  box-shadow: 0 24px 60px -30px rgba(0,0,0,.6);
}
.term-bar {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px;
  background: var(--panel-2); border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: .75rem; color: var(--muted);
}
.dot { width: 11px; height: 11px; border-radius: 50%; background: var(--line); }
.dot.r { background: #e5534b; } .dot.y { background: #d9a62e; } .dot.g { background: #3fb950; }
.term-bar span { margin-left: 8px; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.term-body { padding: 26px clamp(18px, 4vw, 34px) 30px; display: grid; gap: 14px; font-family: var(--mono); font-size: .9rem; }
.term-body > * { min-width: 0; }
.term-body p { margin: 0; }
h1 {
  font-family: var(--mono); font-weight: 800; letter-spacing: -.03em;
  font-size: clamp(2.4rem, 8.5vw, 4.6rem); line-height: 1; margin: 2px 0 6px; color: var(--ink); text-wrap: balance;
}
.role { font-family: var(--body); font-size: clamp(1.1rem, 2.6vw, 1.35rem); font-weight: 500; line-height: 1.4; max-width: 38ch; }
.role em { font-style: normal; color: var(--accent); }
.lede { font-family: var(--body); color: var(--muted); max-width: 64ch; font-size: 1rem; }

/* neofetch-style facts */
.fetch { display: grid; grid-template-columns: max-content 1fr; gap: 3px 16px; margin: 4px 0 0; }
.fetch dt { color: var(--accent); }
.fetch dt::after { content: ":"; color: var(--muted); }
.fetch dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.fetch .ok { color: var(--ok); }

.cta { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font: 500 .85rem var(--mono); padding: 9px 16px; border-radius: 6px;
  text-decoration: none; border: 1px solid var(--line); color: var(--ink); background: var(--panel-2); cursor: pointer;
}
.btn::before { content: ">"; color: var(--accent); }
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn.primary { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.btn.primary::before { color: var(--bg); }
.btn.primary:hover { background: transparent; color: var(--accent); }
.btn.primary:hover::before { color: var(--accent); }

/* interactive shell */
.shell { margin-top: 4px; box-shadow: none; contain: layout paint; }
.shell-body { font-family: var(--mono); font-size: .85rem; padding: 18px clamp(16px, 3vw, 26px) 6px; height: 340px; overflow-y: auto; display: grid; align-content: start; gap: 4px; overscroll-behavior: contain; }
.shell-body > * { min-width: 0; }
.shell-body p, .shell-body pre { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; }
.shell-body .echo { color: var(--ink); margin-top: 8px; }
.shell-body .echo:first-child { margin-top: 0; }
.shell-body .dim { color: var(--muted); }
.shell-body .hl { color: var(--accent); }
.shell-body .warn { color: var(--signal); }
.shell-body .good { color: var(--ok); }
.shell-body a { color: var(--accent); }
.shell-line { display: flex; align-items: center; gap: 8px; padding: 10px clamp(16px, 3vw, 26px) 14px; border-top: 1px dashed var(--line); font-family: var(--mono); font-size: .85rem; }
.shell-line label { flex: none; }
.shell-line input { flex: 1; min-width: 0; background: transparent; border: 0; outline: 0; color: var(--ink); font: inherit; caret-color: var(--accent); padding: 4px 0; }
.shell:focus-within { border-color: var(--accent); }
.shell-quick { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 clamp(16px, 3vw, 26px) 16px; }
.shell-quick button { font: 500 .78rem var(--mono); color: var(--muted); background: var(--panel-2); border: 1px solid var(--line); border-radius: 4px; padding: 4px 10px; cursor: pointer; }
.shell-quick button:hover { color: var(--accent); border-color: var(--accent); }
.shell-hint { color: var(--muted); font-size: .92rem; margin: 0 0 14px; max-width: 66ch; }

/* scroll reveal (classes added by JS only; without JS or with reduced motion the page is static) */
.rv { opacity: 0; transform: translate3d(0, 28px, 0) scale(.985); transition: opacity .5s ease-out, transform .6s cubic-bezier(.2,.7,.2,1); }
.rv.rv-above { transform: translate3d(0, -28px, 0) scale(.985); }
.rv.rv-in { opacity: 1; transform: none; }
h2 .typing-h::after { content: ""; display: inline-block; width: .55em; height: 1em; background: var(--accent); vertical-align: -0.15em; margin-left: 2px; }
.progress { position: absolute; left: 0; right: 0; bottom: -1px; height: 2px; background: var(--accent); transform: scaleX(0); transform-origin: 0 50%; will-change: transform; pointer-events: none; }
@media print { .rv { opacity: 1 !important; transform: none !important; } }
/* reduced motion: keep the fades and typing, drop the sliding */
@media (prefers-reduced-motion: reduce) {
  .rv, .rv.rv-above { transform: none; transition: opacity .5s ease-out; }
  .term-body > .shown { animation: fade .35s ease-out both; }
  html { scroll-behavior: auto; }
}
@keyframes fade { from { opacity: .01; } to { opacity: 1; } }

/* sections */
section { padding-block: 40px; }
h2 {
  font-family: var(--mono); font-weight: 500; font-size: .95rem;
  margin: 0 0 22px; padding-bottom: 12px; border-bottom: 1px dashed var(--line);
  overflow-wrap: anywhere;
}
h3 { font-family: var(--body); font-weight: 600; font-size: 1.2rem; line-height: 1.3; margin: 0; text-wrap: balance; }
.org { color: var(--muted); margin: 2px 0 10px; font-size: .92rem; font-family: var(--mono); }
ul.points { margin: 0; padding: 0; list-style: none; display: grid; gap: 6px; }
ul.points li { padding-left: 1.4rem; position: relative; }
ul.points li::before { content: "+"; position: absolute; left: 0; color: var(--accent); font-family: var(--mono); }
p { margin: 0; }

.log { display: grid; gap: 30px; }
.entry { display: grid; grid-template-columns: 170px 1fr; gap: 24px; }
.entry > * { min-width: 0; }
.when { font-family: var(--mono); font-size: .8rem; color: var(--muted); padding-top: 4px; font-variant-numeric: tabular-nums; display: grid; gap: 6px; align-content: start; }
.proc { font-family: var(--mono); font-size: .72rem; letter-spacing: .04em; text-transform: uppercase; }
.proc.run { color: var(--ok); }
.proc.run::before { content: "●"; margin-right: 6px; }
.proc.exit { color: var(--muted); }
.proc.exit::before { content: "■"; margin-right: 6px; }
.body { display: grid; gap: 6px; max-width: 66ch; }

/* featured project */
.feature {
  background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--signal); border-radius: 8px;
  padding: 24px; display: grid; gap: 12px;
}
.feature .tag { font-family: var(--mono); font-size: .78rem; color: var(--signal); }
.duties { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-top: 4px; }
.duties div { background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 12px 14px; font-size: .93rem; }
.duties b { display: block; font-family: var(--mono); font-weight: 500; color: var(--accent); margin-bottom: 4px; font-size: .85rem; }

/* awards */
.awards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.award { border: 1px solid var(--line); border-radius: 8px; padding: 20px; display: grid; gap: 8px; align-content: start; background: var(--panel); }
.flag { font-family: var(--mono); font-size: .85rem; color: var(--signal); overflow-wrap: anywhere; }
.award p { color: var(--muted); font-size: .95rem; }

/* labs */
.labs { display: grid; gap: 16px; }
.labs-intro { color: var(--muted); max-width: 66ch; }
.lab-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.lab { border: 1px solid var(--line); border-radius: 8px; padding: 16px 20px; background: var(--panel); display: grid; gap: 4px; }
.lab-name { font-family: var(--mono); font-weight: 700; color: var(--accent); }
.lab p { color: var(--muted); font-size: .95rem; }
.labs .skillrow { font-family: var(--mono); }

/* skills */
.skills { display: grid; gap: 16px; font-family: var(--mono); }
.skillrow { display: grid; grid-template-columns: 170px 1fr; gap: 24px; align-items: baseline; }
.skillrow > * { min-width: 0; }
.skillrow .label { font-size: .85rem; color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.chips li { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 3px 10px; font-size: .85rem; }

/* education */
.edu { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.degree { display: grid; gap: 4px; padding: 20px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); align-content: start; }
.degree .status { font-family: var(--mono); font-size: .75rem; }
.degree .minor { color: var(--muted); font-size: .92rem; }

/* contact */
.contact { display: grid; gap: 16px; }
.out { font-family: var(--mono); color: var(--muted); font-size: .9rem; }
.contact-row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.addr { font-family: var(--mono); background: var(--panel); border: 1px solid var(--line); padding: 8px 14px; border-radius: 6px; user-select: all; overflow-wrap: anywhere; }
#copyMsg { font-family: var(--mono); font-size: .8rem; color: var(--ok); min-height: 1.2em; }
footer { padding-top: 28px; border-top: 1px dashed var(--line); color: var(--muted); font-size: .8rem; font-family: var(--mono); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }

@media (max-width: 640px) {
  header.hero { padding-block: 28px 24px; }
  .entry, .skillrow, .labs .skillrow { grid-template-columns: 1fr; gap: 6px; }
  .when { padding-top: 0; grid-auto-flow: column; justify-content: start; gap: 14px; }
  nav .mark i { display: none; }
  .gh span { display: none; }
  .gh { padding: 6px 8px; }
  nav { padding-block: 8px; }
  nav .wrap { row-gap: 6px; }
  .gh { margin-left: auto; }
  nav ul { order: 3; flex: 1 0 100%; margin: 0; flex-wrap: nowrap; overflow-x: auto; gap: 14px; padding-bottom: 2px; scrollbar-width: none; }
  nav ul::-webkit-scrollbar { display: none; }
  nav ul a { white-space: nowrap; }
}
/* boot sequence (added by JS only; without JS or with reduced motion everything is static) */
.term-body > .pending { visibility: hidden; }
.term-body > .shown { animation: rise .35s ease-out both; }
.typing::after { content: ""; display: inline-block; width: .55em; height: 1em; background: var(--accent); vertical-align: -0.15em; margin-left: 2px; }
@keyframes rise { from { transform: translateY(6px); opacity: .01; } to { transform: none; opacity: 1; } }