/* =============================================================
   Mir Khan — resume site
   Hand-written. Mobile-first. Terminal-adjacent, not a costume.
   ============================================================= */

/* ---- tokens -------------------------------------------------- */
:root {
  --font-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --font-sans: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --measure: 42rem;          /* content column */
  --gutter: 1.25rem;         /* side padding on phones */
  --rule-w: 1px;

  --step: 1.6;               /* body line-height */
  --pace: 180ms;
}

/* dark is the default; light overrides below */
:root,
:root[data-theme="dark"] {
  --bg:        #100f0d;
  --bg-raised: #171613;
  --ink:       #e9e5db;
  --ink-dim:   #9b968a;
  --ink-faint: #6a655b;
  --rule:      #2b2925;
  --accent:    #e0a458;   /* amber */
  --accent-ink:#100f0d;
  --link:      #d9d4c7;
  --sel:       #3a3226;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]):not([data-theme="light"]) {
    --bg:        #f6f4ee;
    --bg-raised: #efece3;
    --ink:       #26231d;
    --ink-dim:   #5f5a4f;
    --ink-faint: #928c7d;
    --rule:      #d8d3c5;
    --accent:    #9a5b12;
    --accent-ink:#f6f4ee;
    --link:      #26231d;
    --sel:       #e6dcc4;
  }
}

:root[data-theme="light"] {
  --bg:        #f6f4ee;
  --bg-raised: #efece3;
  --ink:       #26231d;
  --ink-dim:   #5f5a4f;
  --ink-faint: #928c7d;
  --rule:      #d8d3c5;
  --accent:    #9a5b12;
  --accent-ink:#f6f4ee;
  --link:      #26231d;
  --sel:       #e6dcc4;
}

/* ---- reset-ish -------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: var(--step);
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--sel); }
img { max-width: 100%; display: block; }
h1, h2, h3, p, ul, ol, dl { margin: 0; }
ul[role="list"], ol[role="list"] { list-style: none; padding: 0; }
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: var(--bg-raised);
  padding: 0.08em 0.35em;
  border-radius: 3px;
}
kbd {
  font-family: var(--font-mono);
  font-size: 0.82em;
  border: var(--rule-w) solid var(--rule);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0.05em 0.4em;
  color: var(--ink-dim);
}

/* ---- focus + skip link ----------------------------------- */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}
.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.6rem 1rem;
  font-family: var(--font-mono);
  z-index: 10;
}
.skip:focus { left: 0; }

/* ---- status bar ----------------------------------------- */
.statusbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.55rem var(--gutter);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(6px);
  border-bottom: var(--rule-w) solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-dim);
}
.statusbar__host { color: var(--ink); }
.statusbar__host::before { content: "$ "; color: var(--accent); }
.statusbar__mid {
  margin-left: auto;
  color: var(--ink-faint);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  max-width: 45vw;
}
.statusbar__toggle {
  font: inherit;
  color: var(--ink-dim);
  background: none;
  border: var(--rule-w) solid var(--rule);
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
  cursor: pointer;
  min-height: 34px;
}
.statusbar__toggle::before { content: "["; }
.statusbar__toggle::after  { content: "]"; }
.statusbar__toggle:hover { color: var(--accent); border-color: var(--accent); }

/* ---- layout shell -------------------------------------- */
main {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ---- hero --------------------------------------------- */
.hero { padding: 3.5rem 0 2.75rem; }
.hero__photo {
  display: block;
  width: 76px;
  margin-bottom: 1.5rem;
}
.hero__photo img {
  width: 76px;
  height: 76px;
  border-radius: 4px;
  border: 1px solid var(--rule);
  filter: grayscale(1) contrast(1.02);
  transition: filter var(--pace);
}
.hero__photo:hover img { filter: grayscale(0); }
.hero__ident {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-dim);
  margin-bottom: 1.4rem;
}
.hero__ident::before { content: "// "; color: var(--accent); }
.hero__line {
  font-size: clamp(1.6rem, 6vw, 2.4rem);
  line-height: 1.22;
  font-weight: 500;
  letter-spacing: -0.01em;
  max-width: 20ch;
}
.hero__accent {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
  padding-bottom: 1px;
}
.hero__sub {
  margin-top: 1.5rem;
  color: var(--ink-dim);
  max-width: 46ch;
}
.hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  margin-top: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.hero__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0;
  text-decoration: none;
  color: var(--ink);
  border-bottom: 1px solid var(--rule);
}
.hero__links .ico {
  width: 1.05em;
  height: 1.05em;
  flex: none;
  color: var(--ink-faint);
  transition: color var(--pace);
}
.hero__links a:hover { color: var(--accent); border-color: var(--accent); }
.hero__links a:hover .ico { color: var(--accent); }

/* ---- section blocks ---------------------------------- */
.block {
  padding: 2.75rem 0;
  border-top: var(--rule-w) solid var(--rule);
}
.block__kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 1.5rem;
}
.block.is-current .block__kicker { color: var(--accent); }
.block.is-current .block__kicker::before { content: "> "; }

.prose p + p { margin-top: 1rem; }
.prose { color: var(--ink); }
.prose em { color: var(--ink-dim); font-style: italic; }

/* ---- timeline (experience + education) -------------- */
.timeline { display: grid; gap: 2rem; }
.timeline__role {
  font-size: 1rem;
  font-weight: 550;
  line-height: 1.4;
}
.timeline__at { color: var(--ink-faint); margin: 0 0.15rem; }
.timeline__org { color: var(--ink-dim); font-weight: 450; }
.timeline__meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-faint);
  margin-top: 0.3rem;
  font-variant-numeric: tabular-nums;
}
.timeline__lead {
  margin-top: 0.85rem;
  color: var(--ink);
  font-size: 0.95rem;
  max-width: 62ch;
}
.timeline__lead + .timeline__points { margin-top: 0.85rem; }
.timeline__points {
  list-style: none;
  padding: 0;
  margin: 0.85rem 0 0;
  display: grid;
  gap: 0.5rem;
  color: var(--ink-dim);
  font-size: 0.95rem;
}
.timeline__points li {
  padding-left: 1.2rem;
  position: relative;
}
.timeline__points li::before {
  content: "–";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ---- projects -------------------------------------- */
.projects { display: grid; gap: 1.75rem; }
.project { }
.project__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.9rem;
  margin-bottom: 0.5rem;
}
.project__name {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  font-weight: 500;
}
.project__name a { text-decoration: none; border-bottom: 1px solid var(--rule); }
.project__name a::before { content: "./"; color: var(--ink-faint); }
.project__name a:hover { border-color: var(--accent); }
.project__name--plain::before { content: "~ "; color: var(--ink-faint); }
.project__tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.project__desc {
  color: var(--ink-dim);
  font-size: 0.95rem;
  max-width: 60ch;
}
.projects__more {
  margin-top: 1.75rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
}
.projects__more a { text-decoration: none; border-bottom: 1px solid var(--rule); }
.projects__more a:hover { border-color: var(--accent); }

/* ---- skills --------------------------------------- */
.skills { display: grid; gap: 1rem; }
.skills__row {
  display: grid;
  gap: 0.2rem;
}
.skills__row dt {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.skills__row dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.95rem;
}

/* ---- footer -------------------------------------- */
.foot {
  max-width: var(--measure);
  margin: 0 auto;
  padding: 2.5rem var(--gutter) 4rem;
  border-top: var(--rule-w) solid var(--rule);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--ink-faint);
  display: grid;
  gap: 0.6rem;
}
.foot kbd { font-size: 0.72rem; }

/* ---- wider screens: labels hang in the margin ---- */
@media (min-width: 56rem) {
  :root { --gutter: 2rem; }
  main { max-width: 46rem; }
  .foot { max-width: 46rem; }

  .block {
    display: grid;
    grid-template-columns: 8rem 1fr;
    column-gap: 2rem;
  }
  .block__kicker {
    grid-column: 1;
    margin: 0;
    padding-top: 0.15rem;
    position: sticky;
    top: 3.5rem;
    align-self: start;
  }
  .block__body { grid-column: 2; }

  .hero { padding-top: 5rem; }
  .timeline__head {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.25rem 1.5rem;
    align-items: baseline;
  }
  .timeline__meta { margin-top: 0; text-align: right; }
}

/* ---- motion / a11y ------------------------------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}
html { scroll-behavior: smooth; scroll-padding-top: 3.5rem; }

/* ---- print: clean paper resume ------------------ */
@media print {
  :root {
    --bg: #fff; --bg-raised: #fff; --ink: #000;
    --ink-dim: #222; --ink-faint: #444; --rule: #bbb; --accent: #000;
  }
  .statusbar, .foot__keys, .skip, #theme-toggle { display: none; }
  .hero { padding: 0 0 1rem; }
  .block { display: block; padding: 1rem 0; break-inside: avoid; }
  .block__kicker { position: static; }
  a { text-decoration: none; }
  body { font-size: 11pt; }
}