/* Tokens mirror portfolio-site/app/globals.css */
:root {
  --color-paper: #eee4d2;
  --color-paper-raised: #f8f1e6;
  --color-ink: #111318;
  --color-ink-secondary: #5f5561;
  --color-ink-tertiary: #797783;
  --color-line: #d5d4cf;
  --color-line-strong: #bcb8c1;
  --color-accent: #6a628a;
  --color-accent-hover: #eec3a0;
  --color-accent-soft: #eee0d4;
  --color-focus: #a696ca;
  --page-gutter: clamp(20px, 4vw, 72px);
  --page-max: 1680px;
  --space-section: clamp(80px, 10vw, 168px);
  --font-sans: "Geist", Arial, Helvetica, sans-serif;
  --font-serif: "Libre Baskerville", Georgia, "Times New Roman", serif;
  --index-col: minmax(96px, 0.22fr);
}

* { box-sizing: border-box; }

html { background: var(--color-paper); }

body {
  margin: 0;
  color: var(--color-ink);
  background-color: var(--color-paper);
  background-image:
    radial-gradient(circle at 20% 30%, rgba(66, 48, 27, 0.09) 0 0.7px, transparent 0.9px),
    radial-gradient(circle at 78% 64%, rgba(255, 255, 255, 0.38) 0 0.8px, transparent 1px);
  background-position: 0 0, 2px 3px;
  background-size: 5px 5px, 7px 7px;
  font-family: var(--font-sans);
  font-size: clamp(1rem, 0.25vw + 0.95rem, 1.125rem);
  line-height: 1.62;
  text-rendering: optimizeLegibility;
}

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 4px; }

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

.header,
main > section,
.site-footer {
  width: min(calc(100% - (2 * var(--page-gutter))), var(--page-max));
  margin-inline: auto;
}

/* Header */
.header {
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-line);
}

.back {
  display: inline-flex;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.back:hover { color: var(--color-accent); }

.header-tag,
.eyebrow,
.meta-row,
.chapter-index,
figcaption,
.site-footer {
  font-family: var(--font-sans);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.header-tag {
  padding: 4px 10px;
  border: 1px solid var(--color-line-strong);
  border-radius: 999px;
  color: var(--color-ink-tertiary);
  font-size: 0.6875rem;
}

/* Hero */
.hero { padding-block: clamp(56px, 7vw, 112px) var(--space-section); }

.eyebrow {
  margin: 0 0 20px;
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 500;
}

.hero h1 {
  max-width: 14ch;
  margin: 0;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(3rem, 8vw, 7.5rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.subtitle {
  max-width: 34ch;
  margin: clamp(24px, 3vw, 40px) 0 0;
  font-size: clamp(1.25rem, 1.6vw, 1.625rem);
  line-height: 1.38;
  letter-spacing: -0.015em;
}

.meta-row {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 0;
  color: var(--color-ink-tertiary);
  font-size: 0.6875rem;
}

.meta-row li + li::before {
  content: "·";
  margin-inline: 12px;
}

.hero-figure { margin: clamp(48px, 6vw, 88px) 0 0; }

.hero-figure img {
  width: 100%;
  border-radius: 24px;
  border: 1px solid var(--color-line);
}

figcaption {
  margin-top: 14px;
  color: var(--color-ink-tertiary);
  font-size: 0.625rem;
  line-height: 1.55;
}

figcaption em { font-style: normal; color: var(--color-accent); }

/* Chapters */
.chapter {
  display: grid;
  grid-template-columns: var(--index-col) minmax(0, 1fr);
  column-gap: clamp(24px, 4vw, 72px);
  padding-block: var(--space-section);
  border-top: 1px solid var(--color-line);
}

.chapter > :not(.chapter-index) { grid-column: 2; }

.chapter-index {
  grid-row: 1 / span 4;
  margin: 0.55em 0 0;
  color: var(--color-accent);
  font-size: 0.75rem;
  font-weight: 500;
}

.chapter-body { max-width: 760px; }

.chapter h2 {
  margin: 0 0 clamp(28px, 3vw, 44px);
  font-size: clamp(2.125rem, 3.8vw, 4.25rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.038em;
  text-wrap: balance;
}

.chapter p { margin: 0 0 1.1em; max-width: 62ch; }
.chapter p:last-child { margin-bottom: 0; }

.chapter strong { font-weight: 600; }

.chapter h3 {
  margin: 0 0 12px;
  font-size: clamp(1.25rem, 1.5vw, 1.5rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

/* 02 — Workday map + handoffs */
.map-figure { margin: clamp(40px, 5vw, 72px) 0 0; }

.map-figure img {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: 16px;
  background: var(--color-paper-raised);
  transition: box-shadow 380ms var(--ease, ease);
}

.map-figure a:hover img { box-shadow: 0 20px 50px color-mix(in srgb, var(--color-ink) 12%, transparent); }

.handoffs {
  --dot: 13px;
  position: relative;
  margin: clamp(56px, 6vw, 96px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(24px, 3vw, 48px);
}

.handoffs::before {
  content: "";
  position: absolute;
  top: calc(var(--dot) / 2);
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-line-strong);
}

.handoffs li {
  position: relative;
  padding-top: calc(var(--dot) + 24px);
}

.handoffs li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: var(--dot);
  height: var(--dot);
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 6px var(--color-paper);
}

.handoff-time,
.card-index {
  margin: 0 0 10px !important;
  color: var(--color-ink-tertiary);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.handoffs h3 {
  margin-bottom: 14px;
  color: var(--color-accent);
  font-size: clamp(1.75rem, 2.6vw, 2.75rem);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.handoffs p:last-child { color: var(--color-ink-secondary); }

/* 03 — Principles */
.principles {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.principles article,
.stages li {
  padding: clamp(22px, 2.4vw, 32px);
  border: 1px solid var(--color-line);
  border-radius: 10px;
  background: var(--color-paper-raised);
}

.principles h3,
.stages h3 {
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}

.principles p,
.stages p { color: var(--color-ink-secondary); }

.stages {
  margin: clamp(40px, 5vw, 64px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  counter-reset: none;
}

.stages li { position: relative; }

.stages li:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -16px;
  z-index: 1;
  color: var(--color-accent);
  font-size: 0.875rem;
  transform: translate(50%, -50%);
}

.card-index { color: var(--color-accent); }

/* 04 — Field note */
.store-grid {
  margin-top: clamp(48px, 6vw, 88px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 2.4vw, 36px);
}

.store-grid figure,
.frames figure { margin: 0; }

.store-grid img,
.frames img {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: 10px;
  background: var(--color-paper-raised);
}

.store-grid img { aspect-ratio: 3 / 2; object-fit: cover; }

.store-grid figcaption span,
.frames figcaption span { color: var(--color-ink); margin-right: 6px; }

/* 05 — Gestures + frames */
.chapter-body.split {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(220px, 300px);
  justify-content: space-between;
  gap: clamp(32px, 5vw, 88px);
  align-items: start;
}

.app-shot { margin: 0; }

.app-shot img {
  width: 100%;
  filter: drop-shadow(0 18px 36px color-mix(in srgb, var(--color-ink) 18%, transparent));
}


.lead { font-size: clamp(1.125rem, 1.3vw, 1.3rem); }

.gestures,
.trust {
  margin: 28px 0 32px;
  display: grid;
  border-top: 1px solid var(--color-line);
}

.gestures > div,
.trust > div {
  display: grid;
  grid-template-columns: minmax(120px, 0.32fr) 1fr;
  gap: 16px;
  padding-block: 16px;
  border-bottom: 1px solid var(--color-line);
}

.gestures dt,
.trust dt { font-weight: 600; }

.gestures dd,
.trust dd { margin: 0; color: var(--color-ink-secondary); }

.frames {
  margin-top: clamp(48px, 6vw, 88px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 2.4vw, 36px);
}

.frames img { aspect-ratio: 580 / 303; object-fit: cover; }

.frames-note {
  margin: 20px 0 0 !important;
  color: var(--color-ink-tertiary);
  font-size: 0.875rem;
}

/* 06 — Trust */
.trust dt { font-family: var(--font-serif); font-style: italic; font-weight: 400; }

.pull {
  max-width: 760px;
  margin-top: clamp(32px, 4vw, 56px) !important;
  padding: 4px 0 4px 24px;
  border-left: 2px solid var(--color-accent);
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.25rem, 1.8vw, 1.625rem);
  line-height: 1.45;
  letter-spacing: -0.01em;
}

/* Footer */
.site-footer {
  padding: 32px 0 48px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--color-line);
  color: var(--color-ink-tertiary);
  font-size: 0.6875rem;
}

.site-footer a:hover { color: var(--color-accent); }

/* Responsive */
@media (max-width: 900px) {
  .principles,
  .stages { grid-template-columns: 1fr; }
  .chapter-body.split { grid-template-columns: 1fr; }
  .app-shot { width: min(72%, 280px); margin-inline: auto; }
  .stages li:not(:last-child)::after { top: auto; bottom: -20px; right: 50%; transform: translate(50%, 50%) rotate(90deg); }
}

@media (max-width: 680px) {
  :root { --page-gutter: clamp(16px, 5vw, 24px); }

  .header { min-height: 68px; }

  .chapter { grid-template-columns: 1fr; }
  .chapter > :not(.chapter-index) { grid-column: 1; }
  .chapter-index { grid-row: auto; margin: 0 0 16px; }

  .hero-figure img { border-radius: 16px; }

  .meta-row { flex-direction: column; gap: 4px; }
  .meta-row li + li::before { content: none; }

  .handoffs { grid-template-columns: 1fr; gap: 36px; padding-left: 32px; }
  .handoffs::before { top: 0; bottom: 0; left: calc(var(--dot) / 2); right: auto; width: 1px; height: auto; }
  .handoffs li { padding-top: 0; }
  .handoffs li::before { left: -32px; top: 0.2em; }

  .store-grid { grid-template-columns: 1fr; }

  .gestures > div,
  .trust > div { grid-template-columns: 1fr; gap: 4px; }

  .frames { grid-template-columns: 1fr; }

  .pull { padding-left: 16px; }

  .site-footer { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}