/* ============================================================
   Anushil Adhikari — anushiladhikari.com
   Design direction: "diagnostic readout"
   Deep blue-black ground under a hex mesh that lights up around
   the pointer, a single sodium-amber signal, an engineered
   grotesque paired with a mono utility face.
   ============================================================ */

/* ---------- Tokens ---------------------------------------- */

:root {
  /* Surface */
  --ink:          #0B0D10;
  --ink-raised:   #12151A;
  --ink-sunken:   #08090C;

  /* Structure */
  --line:         #22272F;
  --line-soft:    #171B21;

  /* Text */
  --paper:        #E9ECF2;
  --mist:         #949DAE;
  --mist-dim:     #767F8E;   /* 4.8:1 on --ink; the mono labels are small, so they clear AA */

  /* Signal — the one accent */
  --signal:       #F2A93B;
  --signal-hi:    #FFC260;
  --signal-soft:  rgba(242, 169, 59, 0.14);
  --signal-line:  rgba(242, 169, 59, 0.32);

  /* Alert — used only for form validation */
  --alert:        #F09070;

  /* Type */
  --font-sans: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --label:     0.75rem;      /* shared size for the small mono labels */

  /* Metrics */
  --shell:        1180px;
  --gutter:       clamp(1.25rem, 4.5vw, 3rem);
  --topbar-h:     4rem;
  --tabs-h:       3.25rem;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ----------------------------------------- */

*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + var(--tabs-h) + 1rem);
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  line-height: 1.62;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, p, dl, dd, figure, ol, ul { margin: 0; }
ol, ul { padding: 0; list-style: none; }
img, video { max-width: 100%; display: block; }
button { font: inherit; color: inherit; }

a {
  color: var(--paper);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--signal);
  color: var(--ink);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 200;
  padding: 0.7rem 1.1rem;
  background: var(--signal);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  transition: top 0.2s var(--ease);
}
.skip-link:focus { top: 1rem; }

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Pointer glow ---------------------------------- */
/* Ambient warmth, not a flashlight. One wide, very faint wash
   with no hotspot under the cursor, and JS eases it along a
   step behind the pointer so it drifts instead of snapping. */

.glow {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: radial-gradient(circle 760px at var(--mx, 50%) var(--my, -40%),
    rgba(242, 169, 59, 0.055), rgba(242, 169, 59, 0.022) 42%, transparent 70%);
  transition: opacity 0.6s var(--ease);
}

/* No pointer to follow, no glow. */
@media (hover: none) {
  .glow { display: none; }
}

/* ---------- Shared type ----------------------------------- */

.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--label);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist-dim);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  white-space: nowrap;
}

.eyebrow__idx {
  color: var(--signal);
  position: relative;
  padding-left: 1.5rem;
}
.eyebrow__idx::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 1rem;
  height: 1px;
  background: var(--signal);
}

.rule-label {
  font-family: var(--font-mono);
  font-size: var(--label);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist-dim);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line-soft);
}

.badge {
  font-family: var(--font-mono);
  font-size: var(--label);
  letter-spacing: 0.08em;
  color: var(--mist);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.15rem 0.5rem;
}

/* ---------- Top bar --------------------------------------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
  background: rgba(11, 13, 16, 0.9);
  background: color-mix(in srgb, var(--ink) 90%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
}

.topbar__inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper);
  min-width: 0;
}
.brand__mark {
  width: 1.75rem;
  height: 1.3rem;
  color: var(--signal);
  flex: none;
  transition: transform 0.3s var(--ease);
}
.brand__name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand:hover { color: var(--signal); }
.brand:hover .brand__mark { transform: scaleY(1.35); }

.topbar__actions { display: flex; gap: 0.6rem; flex: none; }

/* ---------- Buttons --------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 2px;
  border: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s var(--ease), color 0.2s var(--ease),
              border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn--solid { background: var(--signal); color: var(--ink); font-weight: 500; }
.btn--solid:hover { background: var(--signal-hi); color: var(--ink); transform: translateY(-1px); }
.btn--solid:disabled { opacity: 0.55; cursor: default; transform: none; }

.btn--ghost { border-color: var(--line); color: var(--paper); }
.btn--ghost:hover { border-color: var(--signal-line); color: var(--signal); transform: translateY(-1px); }

.form .btn { padding: 0.7rem 1.35rem; font-size: 0.8125rem; }

/* ---------- Tab bar --------------------------------------- */

.tabs {
  position: sticky;
  top: var(--topbar-h);
  z-index: 99;
  background: rgba(11, 13, 16, 0.9);
  background: color-mix(in srgb, var(--ink) 90%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line-soft);
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.tabs::-webkit-scrollbar { display: none; }

.tabs__inner {
  position: relative;
  width: max-content;
  min-width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: stretch;
  gap: clamp(0.25rem, 1.5vw, 1.25rem);
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  height: var(--tabs-h);
  padding-inline: 0.5rem;
  color: var(--mist);
  white-space: nowrap;
  transition: color 0.2s var(--ease);
}

.tab__idx {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  color: var(--mist-dim);
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}

.tab__name { font-size: 1rem; letter-spacing: -0.005em; }

.tab:hover { color: var(--paper); }
.tab:hover .tab__idx { color: var(--signal); transform: translateY(-1px); }

.tab[aria-selected="true"] { color: var(--paper); }
.tab[aria-selected="true"] .tab__idx { color: var(--signal); }

.tabs__head {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background: var(--signal);
  box-shadow: 0 0 10px rgba(242, 169, 59, 0.5);
  opacity: 0;
  transform: translateX(0);
  transition: transform 0.32s var(--ease), width 0.32s var(--ease), opacity 0.2s var(--ease);
  will-change: transform, width;
}
.tabs__head.is-ready { opacity: 1; }

html:not(.js) .tabs__head { display: none; }

/* ---------- Panels ---------------------------------------- */

.panel { padding-block: clamp(2.25rem, 4.5vw, 3.5rem) clamp(3rem, 6vw, 4.5rem); }
.panel[hidden] { display: none; }
.panel:focus-visible { outline-offset: -3px; }

html:not(.js) .panel + .panel { border-top: 1px solid var(--line-soft); }

.panel__head { margin-bottom: clamp(1.75rem, 3.5vw, 2.75rem); }

.panel__title {
  margin-top: 0.85rem;
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 600;
  line-height: 1.14;
  letter-spacing: -0.025em;
  max-width: 24ch;
  text-wrap: balance;
}

/* ---------- 01 · Now -------------------------------------- */

.now {
  display: grid;
  gap: clamp(2rem, 4vw, 3.5rem);
  margin-top: 1.75rem;
}

.now__title {
  font-size: clamp(2.1rem, 4.6vw, 3.4rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.035em;
  max-width: 19ch;
  text-wrap: balance;
}

.now__title em {
  font-style: normal;
  color: var(--signal);
  position: relative;
  white-space: nowrap;
}
.now__title em::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.06em;
  height: 2px;
  background: var(--signal-line);
}

.now__lede {
  margin-top: 1.35rem;
  max-width: 52ch;
  color: var(--mist);
  font-size: clamp(1rem, 1.3vw, 1.1875rem);
}

.status {
  margin-top: 2rem;
  border-top: 1px solid var(--line-soft);
  max-width: 46rem;
}

.status__row {
  display: grid;
  gap: 0.35rem 1.5rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--line-soft);
  align-items: center;
}

.status dt {
  font-family: var(--font-mono);
  font-size: var(--label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-dim);
}

.status dd { margin: 0; font-size: 1rem; color: var(--paper); }
.status__sep { color: var(--mist-dim); padding-inline: 0.15rem; }

/* Roles he is open to read better as discrete tags */
.status__tags { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.status__tags span {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--mist);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.2rem 0.55rem;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease), transform 0.2s var(--ease);
}
.status__tags span:hover {
  border-color: var(--signal);
  color: var(--signal);
  transform: translateY(-2px);
}

@media (min-width: 40rem) {
  .status__row { grid-template-columns: 7.5rem 1fr; }
}

.now__aside { align-self: start; }

.portrait {
  max-width: 15rem;
  position: relative;
}

.portrait img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  object-position: 50% 32%;   /* keeps the face off the top edge */
  border: 1px solid var(--line);
  border-radius: 2px;
  filter: grayscale(1) contrast(1.05);
  transition: filter 0.45s var(--ease), transform 0.45s var(--ease);
}
.portrait:hover img { filter: grayscale(0) contrast(1); transform: translateY(-3px); }

.portrait figcaption {
  margin-top: 0.7rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist-dim);
  border-top: 1px solid var(--line-soft);
  padding-top: 0.55rem;
}
.portrait figcaption span { color: var(--signal); }

.bio { margin-top: 1.5rem; max-width: 32ch; }

.bio__label {
  font-family: var(--font-mono);
  font-size: var(--label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  margin-bottom: 0.5rem;
}

.bio p { color: var(--mist); font-size: 1rem; }

@media (min-width: 60rem) {
  .now { grid-template-columns: minmax(0, 1fr) 15rem; }
}

.marks {
  margin-top: clamp(2.25rem, 4vw, 3.25rem);
  padding-top: 1.35rem;
  border-top: 1px solid var(--line-soft);
}

.marks__label {
  font-family: var(--font-mono);
  font-size: var(--label);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist-dim);
  margin-bottom: 0.9rem;
}

.marks__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem clamp(1.5rem, 4vw, 3rem);
  align-items: baseline;
}

.marks__list li {
  font-size: clamp(1.0625rem, 1.9vw, 1.4rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: var(--mist);
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}
.marks__list li:hover { color: var(--paper); transform: translateY(-2px); }

/* ---------- 02 · Work ------------------------------------- */

.role__date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--mist);
  white-space: nowrap;
}

.role__place {
  font-family: var(--font-mono);
  font-size: var(--label);
  color: var(--mist-dim);
  margin-top: 0.2rem;
}

.role__org {
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.role__title {
  margin-top: 0.15rem;
  color: var(--signal);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.role__points { margin-top: 1rem; display: grid; gap: 0.6rem; }

.role__points li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--mist);
  font-size: 1rem;
}
.role__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.5rem;
  height: 1px;
  background: var(--line);
  transition: background 0.2s var(--ease), width 0.2s var(--ease);
}
.role:hover .role__points li::before { background: var(--signal-line); }
.role__points strong { color: var(--paper); font-weight: 600; }

.role__pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  flex: none;
  animation: pulse 2.6s var(--ease) infinite;
}

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(242, 169, 59, 0.5); }
  70%  { box-shadow: 0 0 0 9px rgba(242, 169, 59, 0); }
  100% { box-shadow: 0 0 0 0 rgba(242, 169, 59, 0); }
}

/* Lead role: header row keeps the dates beside the title
   instead of stranding them in their own tall column. */
.role--lead {
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(18, 21, 26, 0.78);
  background: color-mix(in srgb, var(--ink-raised) 82%, transparent);
  margin-bottom: 1.25rem;
  transition: border-color 0.22s var(--ease);
}
.role--lead:hover { border-color: var(--signal); }

.role__top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line-soft);
}
.role__when { text-align: right; }
.role--lead .role__org { font-size: clamp(1.35rem, 2.2vw, 1.6rem); }

@media (min-width: 52rem) {
  .role--lead .role__points { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.7rem 2.5rem; }
}

/* The other six */
.role-grid {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.role-grid .role {
  position: relative;
  background: var(--ink);
  padding: clamp(1.1rem, 2vw, 1.5rem);
}

/* Hover lights the edge of the square, not the fill. */
.role-grid .role::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  pointer-events: none;
  transition: border-color 0.22s var(--ease);
}
.role-grid .role:hover { z-index: 1; }
.role-grid .role:hover::after { border-color: var(--signal); }

.role-grid .role__org { margin-top: 0.4rem; font-size: 1.15rem; }

@media (min-width: 44rem) { .role-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 68rem) { .role-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* ---------- Chips ----------------------------------------- */

.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; }

.chips li {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  color: var(--mist);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.25rem 0.55rem;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}
.chips li:hover { border-color: var(--signal-line); color: var(--paper); }

.chips--sm { margin-top: 1rem; }

/* ---------- 03 · Projects rail ---------------------------- */
/* No stepper. Drag, swipe, arrow keys, or jump by name. */

.rail__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.jump {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  color: var(--mist);
  background: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.jump:hover { color: var(--paper); border-color: var(--mist-dim); }
.jump[aria-current="true"] {
  color: var(--signal);
  border-color: var(--signal);
  background: var(--signal-soft);
}

.rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 100%;
  gap: clamp(1.25rem, 2.5vw, 2rem);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding-block: 0.25rem;
  cursor: grab;
}
.rail::-webkit-scrollbar { display: none; }
.rail.is-dragging { cursor: grabbing; scroll-snap-type: none; }
.rail.is-dragging * { pointer-events: none; }

/* A sliver of the next project shows that this thing moves. */
@media (min-width: 60rem) {
  .rail { grid-auto-columns: 94%; }
}

.slide {
  scroll-snap-align: start;
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
  min-width: 0;
}

.slide__media { min-width: 0; }

.slide__media video {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  background: var(--ink-sunken);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.slide__text { min-width: 0; }

.slide__kind {
  font-family: var(--font-mono);
  font-size: var(--label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-dim);
  margin-bottom: 0.6rem;
}

.slide__name {
  font-size: clamp(1.5rem, 3vw, 2.15rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.slide__summary {
  margin-top: 0.5rem;
  color: var(--paper);
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  max-width: 40ch;
}

.pao { margin-top: 1.35rem; border-top: 1px solid var(--line-soft); }

.pao > div {
  display: grid;
  gap: 0.2rem 1.25rem;
  padding-block: 0.8rem;
  border-bottom: 1px solid var(--line-soft);
}

.pao dt {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--signal);
  padding-top: 0.3rem;
}

.pao dd { margin: 0; color: var(--mist); font-size: 0.9375rem; max-width: 52ch; }
.pao dd strong { color: var(--paper); font-weight: 600; }

@media (min-width: 30rem) {
  .pao > div { grid-template-columns: 5.75rem 1fr; }
}

.slide .chips { margin-top: 1.15rem; }
.slide__links { margin-top: 1.15rem; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--signal);
  border-bottom: 1px solid var(--signal-line);
  padding-bottom: 0.15rem;
}
.link-arrow span { transition: transform 0.2s var(--ease); }
.link-arrow:hover { color: var(--paper); border-bottom-color: var(--paper); }
.link-arrow:hover span { transform: translate(2px, -2px); }

@media (min-width: 60rem) {
  .slide { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); }
}

/* Metrics panel — stands in for media on getSense AI */
.readout {
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(18, 21, 26, 0.78);
  background: color-mix(in srgb, var(--ink-raised) 82%, transparent);
  padding: 0.25rem 1.15rem;
}

.readout li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.95rem;
  border-bottom: 1px solid var(--line-soft);
}
.readout li:last-child { border-bottom: 0; }

.readout__key {
  font-family: var(--font-mono);
  font-size: var(--label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist-dim);
}

.readout__val {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  color: var(--signal);
  letter-spacing: -0.02em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.rail__progress { margin-top: 1.5rem; height: 2px; background: var(--line-soft); }
.rail__progress span {
  display: block;
  height: 100%;
  width: 25%;
  background: var(--signal);
  transition: transform 0.25s var(--ease);
}

/* ---------- 04 · Stack ------------------------------------ */

/* Live readout: names what the pointer is over. */
.probe {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.9rem;
  margin-bottom: 1.75rem;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  background: rgba(18, 21, 26, 0.5);
  transition: border-left-color 0.2s var(--ease);
}
.probe.is-live { border-left-color: var(--signal); }

.probe__idle { color: var(--mist-dim); }
.probe__out { display: none; align-items: baseline; gap: 0.75rem; flex-wrap: wrap; }
.probe.is-live .probe__idle { display: none; }
.probe.is-live .probe__out { display: flex; }

.probe__name {
  color: var(--signal);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.probe__where { color: var(--mist); }

.stack { display: grid; gap: 2.25rem; }

/* One skill per row: reads like a spec sheet and fills the column. */
.chips--lg {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
}

.chips--lg li {
  position: relative;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  padding: 0.6rem 0.85rem;
  color: var(--mist);
  border: 0;
  border-bottom: 1px solid var(--line-soft);
  border-radius: 0;
  cursor: default;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease), background 0.2s var(--ease);
}

/* Amber marker slides in from the left edge on hover. */
.chips--lg li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--signal);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform 0.2s var(--ease);
}
.chips--lg li:hover {
  color: var(--signal);
  padding-left: 1.35rem;
  background: var(--signal-soft);
}
.chips--lg li:hover::before { transform: scaleY(1); }

@media (min-width: 44rem) { .stack { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.25rem 3rem; } }
@media (min-width: 76rem) { .stack { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 2.25rem; } }

/* ---------- 05 · Education -------------------------------- */

.creds { display: grid; gap: 1rem; }

.cred {
  border: 1px solid var(--line-soft);
  border-radius: 2px;
  background: rgba(18, 21, 26, 0.55);
  transition: border-color 0.22s var(--ease);
}
.cred:hover { border-color: var(--line); }
.cred.is-open { border-color: var(--signal-line); }

.cred__toggle {
  display: grid;
  gap: 0.35rem;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: clamp(1.1rem, 2vw, 1.5rem);
  cursor: pointer;
  position: relative;
}

.cred__date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.cred__name {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  padding-right: 2rem;
  transition: color 0.2s var(--ease);
}
.cred__toggle:hover .cred__name { color: var(--signal); }

.cred__org {
  font-family: var(--font-mono);
  font-size: var(--label);
  color: var(--mist-dim);
}

/* Plus sign that rotates into a minus */
.cred__sign {
  position: absolute;
  top: clamp(1.1rem, 2vw, 1.5rem);
  right: clamp(1.1rem, 2vw, 1.5rem);
  width: 1rem;
  height: 1rem;
}
.cred__sign::before,
.cred__sign::after {
  content: "";
  position: absolute;
  inset: 50% 0 auto 0;
  height: 1px;
  background: var(--signal);
  transition: transform 0.3s var(--ease);
}
.cred__sign::after { transform: rotate(90deg); }
.cred.is-open .cred__sign::after { transform: rotate(0deg); }

.cred__detail {
  padding: 0 clamp(1.1rem, 2vw, 1.5rem) clamp(1.1rem, 2vw, 1.5rem);
  overflow: hidden;
}
.js .cred__detail[hidden] { display: none; }
.js .cred.is-open .cred__detail { animation: detail-in 0.32s var(--ease) both; }

@keyframes detail-in {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

.facts { display: grid; gap: 0.5rem; border-top: 1px solid var(--line-soft); padding-top: 0.9rem; }
.facts li { display: flex; justify-content: space-between; gap: 1rem; align-items: baseline; }
.facts span {
  font-family: var(--font-mono);
  font-size: var(--label);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist-dim);
}
.facts b { font-weight: 500; color: var(--paper); font-size: 0.9375rem; }

.cred__blurb {
  border-top: 1px solid var(--line-soft);
  padding-top: 0.9rem;
  color: var(--mist-dim);
  font-family: var(--font-mono);
  font-size: var(--label);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.domains { margin-top: 0.75rem; display: grid; gap: 0.45rem; }
.domains li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--mist);
  font-size: 0.9375rem;
}
.domains li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.5rem;
  height: 1px;
  background: var(--signal-line);
}

.validity { margin-top: 1.1rem; }
.validity__bar { height: 3px; background: var(--line-soft); border-radius: 2px; overflow: hidden; }
.validity__bar span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--signal);
  transition: width 0.8s var(--ease);
}
.validity__note {
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: var(--label);
  color: var(--mist-dim);
}

.cred__link { margin-top: 1.1rem; }

@media (min-width: 52rem) { .creds { grid-template-columns: repeat(3, minmax(0, 1fr)); align-items: start; } }

/* ---------- 06 · Contact ---------------------------------- */

.contact { display: grid; gap: clamp(2rem, 4vw, 3.5rem); }

.contact__links a {
  display: grid;
  gap: 0.1rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--line-soft);
  transition: padding-left 0.22s var(--ease);
}
.contact__links a:hover { padding-left: 0.5rem; }

.contact__key {
  font-family: var(--font-mono);
  font-size: var(--label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-dim);
}

.contact__val { font-size: 1.0625rem; color: var(--paper); transition: color 0.18s var(--ease); }
.contact__ext { color: var(--mist-dim); padding-left: 0.4rem; font-size: 0.8em; }
.contact__links a:hover .contact__val { color: var(--signal); }

.form { display: grid; gap: 0.9rem; }
.form__pair { display: grid; gap: 0.9rem; }
@media (min-width: 30rem) { .form__pair { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.field { display: grid; gap: 0.4rem; }

.field label {
  font-family: var(--font-mono);
  font-size: var(--label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.field__opt { color: var(--mist-dim); letter-spacing: 0.06em; text-transform: none; }

.field input,
.field textarea {
  width: 100%;
  font-family: inherit;
  font-size: 1rem;
  color: var(--paper);
  background: var(--ink-raised);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 0.65rem 0.8rem;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field textarea { resize: vertical; min-height: 6rem; line-height: 1.55; }

.field input:hover,
.field textarea:hover { border-color: var(--mist-dim); }

.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--signal);
  background: var(--ink-sunken);
  box-shadow: 0 0 0 3px var(--signal-soft);
}

.field.is-invalid input,
.field.is-invalid textarea { border-color: var(--alert); }

.field__error { font-family: var(--font-mono); font-size: 0.75rem; color: var(--alert); }

.form .btn { justify-self: start; margin-top: 0.25rem; }

.form__status {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--mist);
  min-height: 1.4em;
}
.form__status.is-ok    { color: var(--signal); }
.form__status.is-error { color: var(--alert); }

@media (min-width: 60rem) {
  .contact { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr); }
}

/* ---------- Footer ---------------------------------------- */

.footer {
  padding-block: 1.75rem 2.25rem;
  background: var(--ink-sunken);
  border-top: 1px solid var(--line-soft);
}

.footer__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 2rem;
  justify-content: space-between;
  align-items: baseline;
}

.footer__note { font-size: 0.875rem; color: var(--mist-dim); max-width: 46ch; }

.footer__meta {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--mist-dim);
}

/* ---------- Layout scaffolding ---------------------------- */

#main { flex: 1 0 auto; }
.footer { flex: none; }

/* ---------- Motion ---------------------------------------- */

.js .panel.is-entering { animation: panel-in 0.4s var(--ease) both; }

@keyframes panel-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .role__pulse { animation: none; }
  .js .panel.is-entering { animation: none; }
  .glow { display: none; }
}

/* ---------- Print ----------------------------------------- */

@media print {
  .topbar, .tabs, .footer, .contact__form-wrap, .skip-link,
  .rail__jump, .rail__progress, .slide__media, .glow, .probe { display: none; }

  body { background: #fff; color: #000; }
  .panel[hidden] { display: block !important; }
  .rail { display: block; overflow: visible; }
  .slide { display: block; page-break-inside: avoid; margin-bottom: 1.5rem; }
  .role-grid, .creds { display: block; border: 0; }
  .role-grid .role, .cred { background: none; page-break-inside: avoid; }
  .cred__detail[hidden] { display: block !important; }
  .role__points li, .pao dd, .bio p, .domains li { color: #222; }
  a { color: #000; }
}