/* ============================================================
   mitchellzb.com — "Above Cash"
   Warm editorial palette, light-first with a derived dark theme.
   All colors flow through tokens; components never hard-code hex.
   ============================================================ */

:root {
  --bg:        #F3EDE5;
  --panel:     #FBF7F0;
  --panel-2:   #E8DFD1;
  --hairline:  rgba(45, 24, 30, 0.15);
  --hairline-2: rgba(45, 24, 30, 0.07);
  --ink:       #241A1D;
  --ink-dim:   #5d504a;
  --ink-faint: #756A60; /* darkened from #938578 — 4.5:1 min against bg/panel (WCAG AA) */
  --brand:     #812B4A;
  --accent:    #812B4A;
  --accent-2:  #024944;
  --signal:    #93641F;
  --gold:      #C7984F;
  --bronze:    #8C643C; /* darkened from #AD7C4B — 4.5:1 min against bg (WCAG AA) */
  --indigo:    #293C7C;
  --accent-wash: rgba(129, 43, 74, 0.10);

  --maxw: 1120px;
  --gutter: clamp(1.25rem, 5vw, 4rem);
  --step: clamp(4.5rem, 9vw, 8rem);

  --f-display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --f-body: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --f-mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:        #100A0C;
    --panel:     #191012;
    --panel-2:   #241619;
    --hairline:  rgba(255, 238, 232, 0.11);
    --hairline-2: rgba(255, 238, 232, 0.05);
    --ink:       #F1E7E1;
    --ink-dim:   #b3a49c;
    --ink-faint: #887A75; /* lightened — 4.5:1 min against bg/panel (WCAG AA) */
    --brand:     #812B4A;
    --accent:    #CE6285;
    --accent-2:  #46AE9B;
    --signal:    #D8A65A;
    --gold:      #D8A65A;
    --bronze:    #C4926A;
    --indigo:    #8494D6;
    --accent-wash: rgba(206, 98, 133, 0.15);
  }
}

:root[data-theme="dark"] {
  --bg:        #100A0C;
  --panel:     #191012;
  --panel-2:   #241619;
  --hairline:  rgba(255, 238, 232, 0.11);
  --hairline-2: rgba(255, 238, 232, 0.05);
  --ink:       #F1E7E1;
  --ink-dim:   #b3a49c;
  --ink-faint: #887A75; /* lightened — 4.5:1 min against bg/panel (WCAG AA) */
  --brand:     #812B4A;
  --accent:    #CE6285;
  --accent-2:  #46AE9B;
  --signal:    #D8A65A;
  --gold:      #D8A65A;
  --bronze:    #C4926A;
  --indigo:    #8494D6;
  --accent-wash: rgba(206, 98, 133, 0.15);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* ---------- skip link (WCAG 2.4.1 Bypass Blocks) ---------- */
.skip-link {
  position: absolute; z-index: 100;
  top: 0.6rem; left: 0.6rem;
  min-height: 44px;
  display: inline-flex; align-items: center;
  transform: translateY(-150%);
  background: var(--ink); color: var(--bg);
  font-family: var(--f-mono); font-size: 0.8rem;
  padding: 0.6rem 1rem; border-radius: 3px;
  transition: transform 0.15s ease;
}
.skip-link:focus { transform: translateY(0); }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 4.5rem; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--f-body);
  font-weight: 400;
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.075rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

/* ---------- rail ---------- */
.rail {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem var(--gutter);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-dim);
}
.rail__mark {
  color: var(--ink); font-weight: 600; letter-spacing: 0.14em; text-decoration: none;
  display: inline-flex; align-items: center; min-height: 44px;
}
.rail__nav { display: none; gap: 1.4rem; }
@media (min-width: 860px) { .rail__nav { display: flex; } }
.rail__nav a {
  color: var(--ink-dim); text-decoration: none;
  display: inline-flex; align-items: center; min-height: 44px; padding: 0.25rem 0;
}
.rail__nav a:hover { color: var(--accent); }
.rail__status { display: none; align-items: center; gap: 0.5rem; }
@media (min-width: 1120px) { .rail__status { display: flex; } }
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-2);
  /* runs a handful of times then rests — WCAG 2.2.2 requires auto-motion that
     lasts more than 5s to be pausable; capping the iteration count sidesteps
     that requirement instead of needing an on-page control for a 7px dot. */
  animation: pulse 2.6s ease-out 4;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-2) 55%, transparent); }
  70%, 100% { box-shadow: 0 0 0 9px transparent; }
}
@media (prefers-reduced-motion: reduce) { .dot { animation: none; } }
.rail__toggle {
  font: inherit; color: var(--ink-dim);
  background: transparent; border: 1px solid var(--hairline);
  border-radius: 2px; padding: 0 0.75rem; cursor: pointer;
  text-transform: uppercase; letter-spacing: 0.06em;
  min-height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
}
.rail__toggle:hover { color: var(--ink); border-color: var(--ink-faint); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ---------- primitives ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 var(--gutter); position: relative; }

.band {
  position: relative;
  padding-block: var(--step);
  border-top: 1px solid var(--hairline-2);
  background: var(--bg);
  overflow: hidden;
}

.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}

h1, h2, h3 { font-family: var(--f-display); text-wrap: balance; line-height: 1.05; letter-spacing: -0.02em; }
h2 {
  font-size: clamp(1.9rem, 1.2rem + 2.6vw, 3rem);
  font-weight: 800;
  margin-top: 1rem;
  max-width: 20ch;
}
h3 { font-size: 1.12rem; font-weight: 600; letter-spacing: -0.01em; }

p { max-width: 62ch; }
p + p { margin-top: 1rem; }
.muted { color: var(--ink-dim); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.tags { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.tag {
  font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.04em;
  color: var(--bronze);
  border: 1px solid color-mix(in srgb, var(--bronze) 38%, transparent);
  padding: 0.2rem 0.5rem; border-radius: 2px;
}

/* ---------- parallax layers ---------- */
[data-speed] { will-change: transform; }
.layer { position: absolute; left: 0; right: 0; top: -45%; bottom: -45%; pointer-events: none; }
.layer svg { width: 100%; height: 100%; display: block; }
.ghost { position: absolute; pointer-events: none; z-index: 0; }
.ghost svg { width: 100%; height: 100%; display: block; }
.band > .wrap, .hero > .wrap { z-index: 1; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding-top: clamp(3rem, 6vw, 5rem); padding-bottom: var(--step); background: var(--bg); }
.hero__name {
  font-size: clamp(2.6rem, 1.4rem + 5.6vw, 5.4rem);
  font-weight: 900;
  letter-spacing: -0.035em;
  margin: 0.9rem 0 0.2rem;
}
.hero__role {
  font-family: var(--f-mono);
  font-size: clamp(0.8rem, 0.74rem + 0.3vw, 0.95rem);
  letter-spacing: 0.04em;
  color: var(--ink-dim);
  text-transform: uppercase;
}
.hero__pitch {
  margin-top: 1.8rem;
  font-family: var(--f-display);
  font-weight: 500;
  font-size: clamp(1.35rem, 1rem + 1.9vw, 2.15rem);
  line-height: 1.28;
  letter-spacing: -0.02em;
  max-width: 20ch;
}
.hero__pitch b { color: var(--accent); font-weight: 700; }

.chartcard {
  margin-top: 2.75rem;
  background: var(--panel);
  border: 1px solid var(--hairline);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 24px 60px -30px color-mix(in srgb, var(--ink) 35%, transparent);
}
.chartcard__head {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding: 0.85rem 1.1rem;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--f-mono);
  font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--ink-faint);
}
.chartcard__pause {
  font: inherit; font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-dim); background: transparent; border: 1px solid var(--hairline);
  border-radius: 2px; padding: 0 0.75rem; cursor: pointer; min-height: 44px;
  display: inline-flex; align-items: center; justify-content: center; gap: 0.35rem;
}
.chartcard__pause:hover { color: var(--ink); border-color: var(--ink-faint); }
/* the simulation is already static under reduced motion, so there is nothing to pause */
@media (prefers-reduced-motion: reduce) { .chartcard__pause { display: none; } }
.legend { display: flex; gap: 1rem; flex-wrap: wrap; }
.legend span { display: flex; align-items: center; gap: 0.4rem; color: var(--ink-dim); }
.swatch { width: 14px; height: 3px; border-radius: 2px; display: inline-block; flex: none; }
.swatch--dash { height: 0; background: none; border-radius: 0; border-top: 1.5px dashed var(--ink-faint); }
.chartcard__panels { display: grid; grid-template-columns: 1fr; }
@media (min-width: 720px) { .chartcard__panels { grid-template-columns: 1fr 1fr; } }
.panel { min-width: 0; }
.panel + .panel { border-top: 1px solid var(--hairline); }
@media (min-width: 720px) { .panel + .panel { border-top: 0; border-left: 1px solid var(--hairline); } }
.panel__head {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: 0.4rem 1rem; padding: 0.8rem 1rem 0.55rem;
  font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.06em; text-transform: uppercase;
  color: var(--ink-faint);
}
.panel__meta { color: var(--accent); }
.panel__meta--anim { transition: opacity 0.24s ease; }
.panelcanvas { display: block; width: 100%; height: 300px; }
@media (max-width: 720px) { .panelcanvas { height: 240px; } }
.chartcard__foot {
  padding: 0.7rem 1.1rem;
  border-top: 1px solid var(--hairline);
  font-family: var(--f-mono);
  font-size: 0.75rem; letter-spacing: 0.05em;
  color: var(--ink-faint);
  display: flex; align-items: center; gap: 0.5rem;
}
.chartcard__foot .dot { background: var(--signal); animation: none; flex: none; }

.metrics {
  margin-top: 2rem;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  border: 1px solid var(--hairline); border-radius: 4px; overflow: hidden;
  background: var(--panel);
}
.metric { padding: 1rem 1.15rem; border-right: 1px solid var(--hairline); }
.metric:last-child { border-right: 0; }
.metric dt {
  font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--ink-faint); margin-bottom: 0.35rem;
}
.metric dd { font-family: var(--f-display); font-weight: 600; font-size: 1.05rem; letter-spacing: -0.01em; }
@media (max-width: 560px) {
  .metric { border-right: 0; border-bottom: 1px solid var(--hairline); }
  .metric:last-child { border-bottom: 0; }
}
.footnote { margin-top: 0.8rem; font-size: 0.8rem; color: var(--ink-faint); max-width: 70ch; }

/* ---------- toggle ---------- */
.seg {
  display: inline-flex; margin-top: 1.4rem;
  border: 1px solid var(--hairline); border-radius: 3px; overflow: hidden;
  font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase;
  background: var(--panel);
}
.seg button {
  font: inherit; letter-spacing: inherit; text-transform: inherit;
  background: transparent; color: var(--ink-dim);
  border: 0; padding: 0 1rem; cursor: pointer;
  min-height: 44px; display: inline-flex; align-items: center; justify-content: center;
}
.seg button[aria-pressed="true"] { background: var(--brand); color: #fff; }
.seg button:focus-visible { outline-offset: -2px; }
.swap { margin-top: 1.4rem; min-height: 8.5rem; }
.swap p { transition: opacity 0.28s ease; font-size: 1.12rem; }
@media (prefers-reduced-motion: reduce) { .swap p { transition: none; } }

/* ---------- about ---------- */
.about { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 860px) { .about { grid-template-columns: 5fr 7fr; gap: 4.5rem; } }
.portrait { position: relative; max-width: 380px; width: 100%; aspect-ratio: 4 / 5; margin-inline: auto; }
.portrait__offset {
  position: absolute; inset: 0; transform: translate(18px, 18px);
  border: 1px solid var(--accent); border-radius: 3px;
}
.portrait__fill {
  position: absolute; inset: 0; transform: translate(-16px, -16px);
  background: var(--accent-wash); border-radius: 3px;
}
.portrait__frame { position: absolute; inset: 0; overflow: hidden; border-radius: 3px; background: #fff; border: 1px solid var(--hairline); }
.portrait__frame img {
  position: absolute; left: 0; top: -9%; width: 100%; height: 118%;
  object-fit: cover; object-position: 52% 30%;
}
.lifecycle {
  list-style: none; margin-top: 1.75rem;
  display: flex; flex-wrap: wrap; gap: 0.4rem;
  font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.05em; text-transform: uppercase;
}
.lifecycle li { display: flex; align-items: center; gap: 0.4rem; color: var(--ink-dim); }
.lifecycle li + li::before { content: "→"; color: var(--accent); }

/* ---------- books ---------- */
.grid2 { display: grid; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); border-radius: 4px; margin-top: 2.25rem; }
@media (min-width: 760px) { .grid2 { grid-template-columns: 1fr 1fr; } }
.book { background: var(--panel); padding: 1.6rem 1.5rem; }
.book__k { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--accent); }
.book h3 { margin: 0.55rem 0 0.7rem; }
.book p { font-size: 0.97rem; color: var(--ink-dim); }

/* ---------- edge ---------- */
.edge { margin-top: 2.25rem; display: grid; gap: 1px; background: var(--hairline); border: 1px solid var(--hairline); border-radius: 4px; }
@media (min-width: 760px) { .edge { grid-template-columns: repeat(3, 1fr); } }
.edge__item { background: var(--panel); padding: 1.5rem 1.35rem; }
.edge__n { font-family: var(--f-mono); color: var(--indigo); font-size: 0.8rem; }
.edge__item h3 { margin: 0.6rem 0 0.55rem; }
.edge__item p { font-size: 0.93rem; color: var(--ink-dim); }
.spark { margin-top: 1.1rem; width: 100%; height: 44px; display: block; }

/* ---------- build ---------- */
.stack { margin-top: 1.75rem; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.stack .tag { font-size: 0.75rem; padding: 0.3rem 0.6rem; color: var(--ink); border-color: color-mix(in srgb, var(--bronze) 55%, transparent); }
.caps { margin-top: 1.75rem; display: grid; gap: 0.6rem; }
.cap { display: flex; gap: 0.75rem; align-items: baseline; font-size: 0.97rem; color: var(--ink-dim); max-width: 70ch; }
.cap::before { content: "→"; color: var(--accent); font-family: var(--f-mono); flex: none; }
.monitor {
  margin-top: 2.25rem; background: var(--panel); border: 1px solid var(--hairline);
  border-radius: 4px; overflow: hidden; font-family: var(--f-mono); font-size: 0.8rem;
}
.monitor__bar {
  padding: 0.6rem 1rem; border-bottom: 1px solid var(--hairline);
  color: var(--ink-faint); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase;
  display: flex; justify-content: space-between; gap: 1rem;
}
.monitor__scroll { overflow-x: auto; }
.monitor table { width: 100%; border-collapse: collapse; }
.monitor td, .monitor th { padding: 0.5rem 1rem; text-align: right; border-bottom: 1px solid var(--hairline-2); font-variant-numeric: tabular-nums; white-space: nowrap; }
.monitor th { color: var(--ink-faint); font-weight: 500; font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; }
.monitor td:first-child, .monitor th:first-child { text-align: left; color: var(--ink); }
.monitor tr:last-child td { border-bottom: 0; }
.pos { color: var(--accent-2); }
.neg { color: var(--signal); }

/* ---------- work ---------- */
.work { margin-top: 2.25rem; display: grid; gap: 1.5rem; }
@media (min-width: 860px) { .work { grid-template-columns: 1fr 1fr; } }
.case { background: var(--panel); border: 1px solid var(--hairline); border-radius: 4px; padding: 1.75rem 1.6rem; }
.case__stat { font-family: var(--f-display); font-weight: 800; font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.4rem); letter-spacing: -0.03em; color: var(--accent); line-height: 1.05; }
.case__k { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--ink-faint); margin-top: 0.4rem; }
.case h3 { margin: 1.3rem 0 0.9rem; }
.case dl { display: grid; gap: 0.9rem; }
.case dt { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--bronze); }
.case dd { font-size: 0.95rem; color: var(--ink-dim); margin-top: 0.15rem; max-width: 56ch; }

/* ---------- record ---------- */
.timeline { margin-top: 2.25rem; border-left: 1px solid var(--hairline); }
.tl { position: relative; padding: 0 0 1.9rem 1.6rem; }
.tl:last-child { padding-bottom: 0; }
.tl::before {
  content: ""; position: absolute; left: -4.5px; top: 0.4rem;
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
}
.tl__y { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.06em; color: var(--ink-faint); text-transform: uppercase; }
.tl h3 { margin: 0.2rem 0 0.3rem; font-size: 1rem; }
.tl p { font-size: 0.92rem; color: var(--ink-dim); }

/* ---------- contact ---------- */
.contact .big {
  font-family: var(--f-display); font-weight: 700;
  font-size: clamp(1.4rem, 0.9rem + 2.6vw, 2.6rem);
  letter-spacing: -0.02em; margin-top: 1.2rem;
  overflow-wrap: anywhere;
  display: inline-flex; align-items: center; min-height: 44px;
}
.contact ul { list-style: none; margin-top: 1.5rem; display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; }
.contact li { font-family: var(--f-mono); font-size: 0.8rem; letter-spacing: 0.04em; color: var(--ink-dim); }

/* ---------- footer ---------- */
footer {
  border-top: 1px solid var(--hairline);
  padding: 2.5rem var(--gutter);
  font-size: 0.8rem; color: var(--ink-faint);
  background: var(--bg);
}
footer div { max-width: var(--maxw); margin: 0 auto; }
footer p { max-width: 80ch; margin-bottom: 0.6rem; }

/* ---------- reveal ---------- */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}
.no-js .reveal { opacity: 1; transform: none; }