@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* ---------------------------------------------------------------- */
/* Reset & base                                                      */
/* ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}
body {
  margin: 0;
  background: var(--surface-0);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  transition: background var(--duration-base) var(--ease-out), color var(--duration-base) var(--ease-out);
}
h1, h2, h3, h4 { margin: 0; font-weight: 500; }
p { margin: 0; }
a { color: inherit; }
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
::selection { background: var(--accent-soft-strong); }

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

/* Sticky nav / topbar can otherwise cover a focused or jumped-to target (WCAG 2.4.11) */
section[id], .case-section[id] {
  scroll-margin-top: calc(var(--nav-height) + var(--space-4));
}

/* Skip link (WCAG 2.4.1 Bypass Blocks) */
.skip-link {
  position: absolute;
  top: -100px;
  left: var(--space-4);
  z-index: 500;
  background: var(--accent);
  color: var(--text-on-accent);
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  text-decoration: none;
  transition: top var(--duration-fast) var(--ease-out);
}
.skip-link:focus {
  top: var(--space-4);
}

.container {
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 var(--space-5);
}
.mono { font-family: var(--font-mono); }
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}
section { padding: var(--space-9) 0; }
section + section {
  margin-top: 70px;
  position: relative;
}
section + section::before {
  content: '';
  position: absolute;
  top: -35px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
}
.section-head { margin-bottom: var(--space-8); max-width: 640px; }
.section-head h2 { font-family: var(--font-display); font-size: var(--text-2xl); line-height: var(--leading-tight); }
.section-head p { margin-top: var(--space-4); color: var(--text-secondary); font-size: var(--text-md); }

/* ---------------------------------------------------------------- */
/* Init boot sequence                                                */
/* ---------------------------------------------------------------- */
#boot {
  position: fixed; inset: 0; z-index: var(--z-overlay);
  background: var(--surface-0); color: var(--text-primary);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-family: var(--font-mono); font-size: var(--text-sm);
  transition: opacity var(--duration-slow) var(--ease-out);
}
#boot.hidden { opacity: 0; pointer-events: none; }
#boot .boot-lines { width: 360px; max-width: 80vw; }
#boot .boot-line { display: flex; gap: var(--space-2); padding: 2px 0; color: var(--text-secondary); opacity: 0; animation: boot-in var(--duration-fast) var(--ease-out) forwards; }
#boot .boot-line .ok { color: var(--success); }
#boot .boot-skip { margin-top: var(--space-6); color: var(--text-secondary); font-size: var(--text-xs); }
@keyframes boot-in { to { opacity: 1; } }

/* ---------------------------------------------------------------- */
/* Nav                                                                */
/* ---------------------------------------------------------------- */
#nav {
  position: sticky; top: 0; z-index: var(--z-nav);
  background: color-mix(in srgb, var(--surface-0) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); padding: var(--space-3) var(--space-5); max-width: var(--content-width); margin: 0 auto; }
.nav__brand { font-family: var(--font-mono); font-size: var(--text-sm); font-weight: 600; letter-spacing: 0.02em; }
.nav__links { display: flex; gap: var(--space-5); font-size: var(--text-sm); }
.nav__links a { display: inline-flex; align-items: center; min-height: 24px; padding: 4px 0; color: var(--text-secondary); text-decoration: none; transition: color var(--duration-fast); }
.nav__links a:hover { color: var(--text-primary); }
.nav__right { display: flex; align-items: center; gap: var(--space-4); }

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 36px;
  height: 36px;
  padding: 0;
  flex-shrink: 0;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.mobile-menu-btn__bar {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 1px;
  background: var(--text-primary);
  transition: transform var(--duration-fast) var(--ease-out), opacity var(--duration-fast) var(--ease-out);
}
.mobile-menu-btn[aria-expanded="true"] .mobile-menu-btn__bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.mobile-menu-btn[aria-expanded="true"] .mobile-menu-btn__bar:nth-child(2) { opacity: 0; }
.mobile-menu-btn[aria-expanded="true"] .mobile-menu-btn__bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu {
  display: none;
  flex-direction: column;
  position: fixed;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: var(--surface-0);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  padding: var(--space-3) var(--space-5);
}
.mobile-menu.open { display: flex; }
.mobile-menu a {
  padding: 14px 4px;
  font-size: var(--text-md);
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
}
.mobile-menu a:last-child { border-bottom: none; }

.progress-chip { display: flex; align-items: center; gap: var(--space-2); background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-full); padding: 4px 10px 4px 4px; font-family: var(--font-mono); font-size: var(--text-xs); color: var(--text-secondary); }
.progress-chip__ring { width: 20px; height: 20px; border-radius: 50%; background: conic-gradient(var(--accent) calc(var(--pct, 0) * 1%), var(--border) 0); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.progress-chip__ring::after { content: ''; width: 13px; height: 13px; border-radius: 50%; background: var(--surface-1); }

.palette-btn { display: flex; align-items: center; gap: var(--space-2); background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 6px 10px; font-size: var(--text-xs); color: var(--text-secondary); font-family: var(--font-mono); }
.palette-btn kbd { background: var(--surface-2); border: 1px solid var(--border); border-radius: 4px; padding: 1px 5px; font-family: var(--font-mono); }

.progress-panel { display: none; position: absolute; right: var(--space-5); top: calc(100% + 8px); width: 280px; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: var(--space-4); }
.progress-panel.open { display: block; }
.progress-panel h4 { font-size: var(--text-sm); margin-bottom: var(--space-3); }
.progress-item { display: flex; align-items: center; gap: var(--space-2); padding: 5px 0; font-size: var(--text-sm); color: var(--text-secondary); }
.progress-item.done { color: var(--text-primary); }
.progress-item .dot { width: 14px; height: 14px; border-radius: 50%; border: 1.5px solid var(--border-strong); flex-shrink: 0; }
.progress-item.done .dot { background: var(--success); border-color: var(--success); }

/* ---------------------------------------------------------------- */
/* Hero                                                               */
/* ---------------------------------------------------------------- */
.hero { padding-top: var(--space-9); display: grid; grid-template-columns: 1.3fr 1fr; gap: var(--space-7); align-items: start; }
.hero h1 { font-family: var(--font-display); font-size: var(--text-3xl); line-height: var(--leading-tight); max-width: 14ch; }
.hero__sub { margin-top: var(--space-4); font-size: var(--text-md); color: var(--text-secondary); max-width: 48ch; line-height: var(--leading-relaxed); }
.hero__cta { margin-top: var(--space-6); display: flex; gap: var(--space-3); }

.hero__side { display: flex; flex-direction: column; gap: var(--space-5); min-width: 0; }
.case-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: var(--space-5); }
.case-grid > li { display: flex; }
.case-card { display: flex; flex-direction: column; width: 100%; font: inherit; text-align: left; color: var(--text-primary); text-decoration: none; cursor: pointer; padding: 0; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; transition: border-color var(--duration-fast); }
.case-card:hover { border-color: var(--accent); }
.case-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.case-card__media { display: flex; align-items: center; justify-content: center; aspect-ratio: 16 / 9; padding: var(--space-4); background: var(--surface-2); border-bottom: 1px solid var(--border); text-align: center; font-size: var(--text-sm); }
.case-card__media img { width: 100%; height: 100%; object-fit: cover; object-position: top left; display: block; }
.case-card__media:has(img) { padding: 0; }
.case-card__body { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-5); flex: 1; }
.case-card__co { font-size: var(--text-xs); font-weight: 600; color: var(--accent); }
.case-card__title { font-family: var(--font-display); font-size: var(--text-xl); line-height: 1.2; }
.case-card__desc { font-size: var(--text-sm); color: var(--text-secondary); line-height: var(--leading-relaxed); }
.case-card__scale { font-size: var(--text-sm); font-weight: 500; }
.case-card__cta { margin-top: auto; padding-top: var(--space-3); font-size: var(--text-sm); font-weight: 500; color: var(--accent); }
.case-card:hover .case-card__cta { text-decoration: underline; }
@media (prefers-reduced-motion: reduce) { .case-card { transition: none; } }
.status-panel { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden; }
.status-panel__row { display: flex; justify-content: space-between; padding: var(--space-3) var(--space-4); font-size: var(--text-sm); border-bottom: 1px solid var(--border); }
.status-panel__row:last-child { border-bottom: none; }
.status-panel__label { color: var(--text-secondary); font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.06em; }
.status-panel__value { font-weight: 500; text-align: right; }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--success); margin-right: 6px; box-shadow: 0 0 0 3px var(--success-soft); }

.btn { display: inline-flex; align-items: center; gap: 6px; border-radius: var(--radius-md); padding: 10px 18px; font-size: var(--text-sm); font-weight: 500; border: 1px solid transparent; transition: all var(--duration-fast) var(--ease-out); text-decoration: none; }
.btn-primary { background: var(--accent); color: var(--text-on-accent); }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-secondary { background: var(--surface-1); border-color: var(--border); color: var(--text-primary); }
.btn-secondary:hover { border-color: var(--border-strong); }

/* ---------------------------------------------------------------- */
/* System map                                                        */
/* ---------------------------------------------------------------- */

/* System map: core layers on top, cross-cutting capabilities below, one shared bus */
.map-wrap { display: grid; gap: var(--space-4); }
.sysmap { position: relative; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5) var(--space-5) var(--space-6); }
.sysmap__wires { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; }
.sysmap__wire { fill: none; stroke: var(--border-strong); stroke-width: 1; stroke-linecap: round; }
.sysmap__wire--bus { stroke-width: 1; }
.sysmap__wire--lit { stroke: var(--accent); stroke-width: 1.75; }
.sysmap__dot { fill: var(--border-strong); }
.sysmap__dot--lit { fill: var(--accent); }
.sysmap__layers, .sysmap__caps { position: relative; list-style: none; margin: 0; padding: 0; display: grid; }
.sysmap__layers { grid-template-columns: repeat(5, 1fr); gap: var(--space-3); }
.sysmap__layers > li { display: flex; }
.sysmap__layer { height: 100%; }
.sysmap__caps { grid-template-columns: repeat(6, 1fr); gap: var(--space-2); margin-top: 88px; }
.sysmap__node { width: 100%; font: inherit; color: var(--text-primary); cursor: pointer; background: none; border: 0; padding: 0; }
.sysmap__node:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: var(--radius-lg); }
.sysmap__layer { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-2); min-height: 88px; padding: var(--space-3) var(--space-2); background: var(--surface-0); border: 1px solid var(--border); border-radius: var(--radius-lg); text-align: center; transition: border-color var(--duration-fast), background-color var(--duration-fast); }
.sysmap__layer .msym { font-size: 26px; color: var(--text-secondary); }
.sysmap__layer .sysmap__label { font-size: var(--text-sm); font-weight: 500; line-height: 1.3; }
.sysmap__cap { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); text-align: center; }
.sysmap__disc { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-0); border: 1px solid var(--border); transition: border-color var(--duration-fast), background-color var(--duration-fast); }
.sysmap__cap .msym { font-size: 24px; color: var(--text-secondary); }
.sysmap__cap .sysmap__label { font-size: var(--text-xs); line-height: 1.35; color: var(--text-secondary); }
.sysmap__layer:hover, .sysmap__cap:hover .sysmap__disc { border-color: var(--accent); }
.sysmap__layer[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); }
.sysmap__cap[aria-pressed="true"] .sysmap__label { color: var(--text-primary); font-weight: 500; }
.sysmap__cap[aria-pressed="true"] .sysmap__disc { background: var(--accent-soft); border-color: var(--accent); }
.sysmap__node[aria-pressed="true"] .msym { color: var(--accent); }
.msym { width: 1em; height: 1em; fill: currentColor; flex: none; display: block; }
@media (max-width: 760px) {
  .sysmap__wires { display: none; }
  .sysmap__caps { margin-top: var(--space-5); }
  .sysmap__layers { grid-template-columns: 1fr; gap: var(--space-2); }
  .sysmap__layer { flex-direction: row; justify-content: flex-start; min-height: 0; padding: var(--space-3) var(--space-4); gap: var(--space-3); text-align: left; }
  .sysmap__layer .msym { font-size: 20px; }
  .sysmap__caps { grid-template-columns: repeat(3, 1fr); row-gap: var(--space-4); }
}
.map-panel { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); min-height: 120px; }
.map-panel__empty { color: var(--text-secondary); font-size: var(--text-sm); }
.map-panel h3 { font-family: var(--font-mono); font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.04em; margin-bottom: var(--space-3); }
.map-panel p { color: var(--text-secondary); font-size: var(--text-sm); line-height: var(--leading-relaxed); }
.map-panel a.jump { display: inline-block; margin-top: var(--space-4); font-size: var(--text-sm); color: var(--accent); text-decoration: none; font-weight: 500; }
.map-panel a.jump:hover { text-decoration: underline; }

/* ---------------------------------------------------------------- */
/* Work cards                                                        */
/* ---------------------------------------------------------------- */
.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); transition: transform var(--duration-fast) var(--ease-out), border-color var(--duration-fast); text-align: left; width: 100%; text-decoration: none; }
.card.clickable:hover { transform: translateY(-2px); border-color: var(--border-strong); box-shadow: var(--shadow-md); }
.card.disabled { opacity: 0.55; cursor: default; }
.card__co { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--accent); text-transform: uppercase; letter-spacing: 0.06em; }
.card h3 { font-size: var(--text-lg); font-family: var(--font-display); margin-top: 2px; }
.card__meta { display: flex; flex-direction: column; gap: 6px; font-size: var(--text-sm); }
.card__meta div { display: flex; gap: 8px; }
.card__meta b { color: var(--text-secondary); font-weight: 500; min-width: 78px; font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; padding-top: 2px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-full); padding: 3px 10px; font-size: var(--text-xs); font-family: var(--font-mono); }
.card__status { margin-top: auto; font-size: var(--text-xs); font-family: var(--font-mono); color: var(--text-secondary); }

/* ---------------------------------------------------------------- */
/* Case study                                                        */
/* ---------------------------------------------------------------- */
.case-overlay { position: fixed; inset: 0; z-index: var(--z-overlay); background: color-mix(in srgb, var(--surface-0) 60%, transparent); backdrop-filter: blur(4px); display: none; }
.case-overlay.open { display: block; }
.case { position: absolute; inset: 0; background: var(--surface-0); overflow-y: auto; }
.case__topbar { position: sticky; top: 0; background: var(--surface-0); border-bottom: 1px solid var(--border); z-index: 2; }
.case__topbar-inner { max-width: var(--content-width); margin: 0 auto; padding: var(--space-4) var(--space-5); display: flex; align-items: center; justify-content: space-between; }
.case__close { color: var(--text-primary);  background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 8px 12px; font-size: var(--text-sm); }
.case__body { max-width: 800px; margin: 0 auto; padding: var(--space-7) var(--space-5) var(--space-9); }
.case__hero h2 { font-family: var(--font-display); font-size: var(--text-2xl); }
.case__hero .eyebrow { margin-bottom: var(--space-3); }
.case-section { padding: var(--space-8) 0; }
.case-section + .case-section {
  margin-top: 70px;
  position: relative;
}
.case-section + .case-section::before {
  content: '';
  position: absolute;
  top: -35px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--border);
}
.case-section h3 { font-family: var(--font-mono); font-size: var(--text-sm); text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent); margin-bottom: var(--space-5); }
.case-section h4 { font-size: var(--text-md); margin-bottom: var(--space-2); }
.case-section p { color: var(--text-secondary); line-height: var(--leading-relaxed); margin-bottom: var(--space-3); }
.case-flow { display: flex; flex-direction: column; gap: var(--space-2); }
.case-flow__step { display: flex; gap: var(--space-3); align-items: baseline; padding: var(--space-3); background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md); }
.case-flow__step b { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--accent); min-width: 90px; }

.decision { border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: var(--space-3); overflow: hidden; }
.decision__head { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: var(--space-4); background: var(--surface-1); border: none; font-size: var(--text-sm); font-weight: 500; text-align: left; }
.decision__head::after { content: '+'; font-family: var(--font-mono); color: var(--text-secondary); }
.decision.open .decision__head::after { content: '−'; }
.decision__body { display: none; padding: var(--space-4); border-top: 1px solid var(--border); font-size: var(--text-sm); }
.decision.open .decision__body { display: grid; gap: var(--space-3); }
.decision__body dt { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; color: var(--text-secondary); margin-bottom: 2px; }
.decision__body dd { margin: 0 0 var(--space-2); color: var(--text-primary); line-height: var(--leading-relaxed); }

.a11y-demo { border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); background: var(--surface-1); }
.a11y-demo__field { position: relative; max-width: 320px; }
.a11y-demo__field label { display: block; font-size: var(--text-sm); margin-bottom: 6px; }
.a11y-demo__field input { width: 100%; padding: 10px 12px; border-radius: var(--radius-md); border: 1px solid var(--border-strong); background: var(--surface-0); color: var(--text-primary); font-size: var(--text-sm); }
.a11y-tag { position: absolute; font-family: var(--font-mono); font-size: 10px; background: var(--accent); color: var(--text-on-accent); padding: 2px 6px; border-radius: 4px; display: none; white-space: nowrap; }
.a11y-on .a11y-tag { display: block; }
.a11y-tag--contrast { top: 22px; right: -6px; }
.a11y-tag--focus { bottom: -22px; left: 0; }
.a11y-tag--keyboard { top: 22px; left: -6px; }
.a11y-tag--semantic { bottom: -22px; right: 0; }
.a11y-toggle { margin-bottom: var(--space-4); }

.pipeline { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.pipeline__stage { flex: 1; min-width: 100px; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-3); text-align: center; font-size: var(--text-xs); font-family: var(--font-mono); cursor: pointer; }
.pipeline__stage.active { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.pipeline__detail { margin-top: var(--space-4); padding: var(--space-4); background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md); font-size: var(--text-sm); color: var(--text-secondary); min-height: 48px; }

.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
.stat { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-4); text-align: center; }
.stat__value { font-family: var(--font-mono); font-size: var(--text-xl); color: var(--accent); }
.stat__label { font-size: var(--text-xs); color: var(--text-secondary); margin-top: 4px; }
.stat__placeholder-note { grid-column: 1 / -1; font-size: var(--text-xs); color: var(--text-secondary); font-style: italic; }

/* ---------------------------------------------------------------- */
/* Playground                                                        */
/* ---------------------------------------------------------------- */
.playground { display: grid; grid-template-columns: 300px 1fr; gap: var(--space-6); }
.pg-controls { display: flex; flex-direction: column; gap: var(--space-5); }
.pg-group label { display: block; font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; color: var(--text-secondary); margin-bottom: var(--space-2); }
.seg { display: flex; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.seg button { flex: 1; padding: 8px; background: var(--surface-1); border: none; font-size: var(--text-sm); color: var(--text-secondary); border-right: 1px solid var(--border); }
.seg button:last-child { border-right: none; }
.seg button.active { background: var(--accent); color: var(--text-on-accent); }
.pg-controls input[type="range"] { width: 100%; }
.pg-readout { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); }
.pg-readout__row { display: flex; justify-content: space-between; padding: 6px 0; font-family: var(--font-mono); font-size: var(--text-xs); border-bottom: 1px dashed var(--border); }
.pg-preview { margin-top: var(--space-5); display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }
.pg-preview .card-mini { background: var(--surface-0); border: 1px solid var(--border); border-radius: var(--radius-md); padding: var(--space-4); font-size: var(--text-sm); width: 180px; }

/* ---------------------------------------------------------------- */
/* Component inspector                                               */
/* ---------------------------------------------------------------- */
.inspector { display: grid; grid-template-columns: 200px 1fr; gap: var(--space-6); }
.inspector__list button { display: block; width: 100%; text-align: left; padding: 10px 12px; border-radius: var(--radius-md); background: transparent; border: none; font-size: var(--text-sm); color: var(--text-secondary); margin-bottom: 4px; }
.inspector__list button.active { background: var(--accent-soft); color: var(--accent); font-weight: 500; }
.inspector__stage { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-6); }
.inspector__states { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-bottom: var(--space-6); }
.inspector__state { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); }
.inspector__state span { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--text-secondary); }
.demo-btn { padding: 9px 16px; border-radius: var(--radius-md); border: 1px solid transparent; background: var(--accent); color: var(--text-on-accent); font-size: var(--text-sm); }
.demo-btn.state-hover { background: var(--accent-hover); }
.demo-btn.state-disabled { opacity: 0.4; }
.demo-input { color: var(--text-primary); padding: 9px 12px; border-radius: var(--radius-md); border: 1px solid var(--border-strong); background: var(--surface-0); font-size: var(--text-sm); width: 160px; }
.demo-input.state-focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.demo-input.state-error { border-color: var(--danger); box-shadow: 0 0 0 3px var(--danger-soft); }
.demo-input.state-filled { background: var(--surface-2); }
.demo-input.state-disabled { opacity: 0.4; }
.demo-modal { width: 220px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface-0); box-shadow: var(--shadow-lg); padding: var(--space-4); }
.demo-modal__bar { height: 8px; width: 60%; background: var(--border-strong); border-radius: 4px; margin-bottom: var(--space-3); }
.demo-modal__line { height: 6px; background: var(--border); border-radius: 4px; margin-bottom: 6px; }

.tabs { display: flex; gap: var(--space-2); border-bottom: 1px solid var(--border); margin-bottom: var(--space-4); }
.tabs button { padding: 8px 4px; background: none; border: none; border-bottom: 2px solid transparent; font-size: var(--text-sm); color: var(--text-secondary); margin-right: var(--space-4); }
.tabs button.active { color: var(--text-primary); border-color: var(--accent); }
.tab-panel { display: none; font-size: var(--text-sm); color: var(--text-secondary); line-height: var(--leading-relaxed); }
.tab-panel.active { display: block; }
.tab-panel code, .tab-panel .token-list code { font-family: var(--font-mono); background: var(--surface-2); border: 1px solid var(--border); padding: 1px 6px; border-radius: 4px; color: var(--text-primary); font-size: var(--text-xs); }
.token-list { display: flex; flex-direction: column; gap: 6px; }

/* ---------------------------------------------------------------- */
/* Design <-> Code                                                   */
/* ---------------------------------------------------------------- */
.sync-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: start; }
.sync-controls { display: flex; align-items: center; gap: var(--space-4); margin-bottom: var(--space-5); }
.sync-demo { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4); }
/* Standard sizes: 40px button, 8px progress bar, 24px tag */
.sync-btn { height: 40px; padding: 0 16px; border: 0; border-radius: 8px; background: var(--sync-color, var(--accent)); color: var(--sync-ink, var(--text-on-accent)); font: 600 14px/1 var(--font-body); cursor: pointer; transition: background var(--duration-fast); }
.sync-btn:focus-visible { outline: 2px solid var(--sync-color, var(--accent)); outline-offset: 2px; }
.sync-tag { display: inline-flex; align-items: center; gap: 6px; height: 24px; padding: 0 10px; border-radius: 999px; border: 1px solid var(--sync-color, var(--accent)); background: color-mix(in srgb, var(--sync-color, var(--accent)) 12%, var(--surface-0)); color: var(--text-primary); font: 500 12px/1 var(--font-body); }
.sync-tag__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--sync-color, var(--accent)); }
.sync-progress { display: inline-flex; align-items: center; gap: 8px; }
.sync-progress__track { display: block; position: relative; width: 160px; height: 8px; border-radius: 999px; background: var(--border); overflow: hidden; }
.sync-progress__fill { position: absolute; inset: 0 40% 0 0; border-radius: inherit; background: var(--sync-color, var(--accent)); transition: background var(--duration-fast); }
.sync-progress__value { font: 500 12px/1 var(--font-body); color: var(--text-secondary); font-variant-numeric: tabular-nums; }
@media (prefers-reduced-motion: reduce) { .sync-btn, .sync-progress__fill { transition: none; } }
.sync-controls input[type="color"] { width: 48px; height: 36px; border: 1px solid var(--border); border-radius: var(--radius-md); background: none; padding: 2px; }
.code-block { background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-4); font-family: var(--font-mono); font-size: var(--text-xs); line-height: var(--leading-relaxed); overflow-x: auto; white-space: pre; }
.code-block .k { color: var(--accent); }

/* ---------------------------------------------------------------- */
/* AI section                                                        */
/* ---------------------------------------------------------------- */
.ai-flow { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-6); }
.ai-flow__step { flex: 1; min-width: 120px; padding: var(--space-3); background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md); font-size: var(--text-xs); font-family: var(--font-mono); text-align: center; }
.ai-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.ai-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-4); }
.ai-card h3 { font-size: var(--text-sm); margin-bottom: var(--space-2); }
.ai-card p { font-size: var(--text-sm); color: var(--text-secondary); }

/* ---------------------------------------------------------------- */
/* About                                                              */
/* ---------------------------------------------------------------- */
.about-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); margin-bottom: var(--space-7); }
.about-card { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); }
.about-card h3 { font-family: var(--font-mono); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent); margin-bottom: var(--space-3); }
.about-card p { color: var(--text-secondary); font-size: var(--text-sm); line-height: var(--leading-relaxed); }

.timeline { display: flex; flex-direction: column; border-left: 2px solid var(--border); margin-left: 6px; padding-left: var(--space-5); gap: var(--space-5); margin-bottom: var(--space-7); }
.timeline__item { position: relative; }
.timeline__item::before { content: ''; position: absolute; left: calc(-1 * var(--space-5) - 6px); top: 4px; width: 10px; height: 10px; border-radius: 50%; background: var(--surface-0); border: 2px solid var(--border-strong); }
.timeline__item.now::before { border-color: var(--accent); background: var(--accent); }
.timeline__date { font-family: var(--font-mono); font-size: var(--text-xs); color: var(--text-secondary); }
.timeline__role { font-size: var(--text-md); margin-top: 2px; }
.timeline__place { color: var(--text-secondary); font-size: var(--text-sm); }


/* ---------------------------------------------------------------- */
/* Contact                                                            */
/* ---------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-4); }
@media (max-width: 960px) { .contact-grid { grid-template-columns: minmax(0, 1fr); gap: var(--space-3); } }
.contact-card { min-width: 0; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-5); text-decoration: none; display: flex; flex-direction: column; gap: var(--space-1); }
@media (max-width: 560px) { .contact-card { padding: var(--space-4); } }
.contact-card .eyebrow { margin-bottom: var(--space-2); }
.contact-card__value { font-size: var(--text-md); line-height: 1.35; overflow-wrap: break-word; }
.contact-card:hover { border-color: var(--accent); }
.placeholder-note { display: inline-block; margin-top: var(--space-2); font-size: var(--text-xs); color: var(--text-secondary); font-style: italic; }

footer { padding: var(--space-6) 0; text-align: center; color: var(--text-secondary); font-size: var(--text-xs); font-family: var(--font-mono); }

/* ---------------------------------------------------------------- */
/* Toasts                                                             */
/* ---------------------------------------------------------------- */
#toast-container { position: fixed; bottom: var(--space-5); right: var(--space-5); z-index: var(--z-toast); display: flex; flex-direction: column; gap: var(--space-2); align-items: flex-end; }
.toast { background: var(--surface-1); border: 1px solid var(--accent); border-radius: var(--radius-md); padding: var(--space-3) var(--space-4); font-size: var(--text-sm); box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: var(--space-2); animation: toast-in var(--duration-base) var(--ease-out); max-width: 300px; }
.toast strong { color: var(--accent); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.toast.leaving { animation: toast-out var(--duration-base) var(--ease-out) forwards; }
@keyframes toast-out { to { opacity: 0; transform: translateY(8px); } }

/* ---------------------------------------------------------------- */
/* Command palette                                                   */
/* ---------------------------------------------------------------- */
#palette-overlay { position: fixed; inset: 0; z-index: var(--z-palette); background: color-mix(in srgb, var(--surface-0) 50%, transparent); backdrop-filter: blur(3px); display: none; align-items: flex-start; justify-content: center; padding-top: 12vh; }
#palette-overlay.open { display: flex; }
.palette { width: 560px; max-width: 90vw; background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; }
.palette input { width: 100%; border: none; background: none; padding: var(--space-4) var(--space-5); font-size: var(--text-md); color: var(--text-primary); border-bottom: 1px solid var(--border); }
.palette input:focus { outline: none; }
.palette__list { max-height: 320px; overflow-y: auto; padding: var(--space-2); }
.palette__item { padding: 10px 12px; border-radius: var(--radius-md); font-size: var(--text-sm); display: flex; justify-content: space-between; color: var(--text-secondary); }
.palette__item.active { background: var(--accent-soft); color: var(--text-primary); }
.palette__item small { font-family: var(--font-mono); color: var(--text-secondary); font-size: var(--text-xs); }

/* ---------------------------------------------------------------- */
/* Architecture mode (⌘K → "system")                                 */
/* ---------------------------------------------------------------- */
body.arch-mode [data-arch] { outline: 1px dashed var(--accent) !important; outline-offset: 3px; position: relative; }
body.arch-mode [data-arch]::before {
  content: attr(data-arch);
  position: absolute; top: -9px; left: 6px;
  background: var(--accent); color: var(--text-on-accent);
  font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.03em;
  padding: 1px 6px; border-radius: 3px; z-index: 50; pointer-events: none;
}
.arch-banner { display: none; position: fixed; top: 0; left: 0; right: 0; z-index: var(--z-overlay); background: var(--accent); color: var(--text-on-accent); text-align: center; font-family: var(--font-mono); font-size: var(--text-xs); padding: 6px; }
body.arch-mode .arch-banner { display: block; }

/* ---------------------------------------------------------------- */
/* Responsive                                                        */
/* ---------------------------------------------------------------- */
@media (max-width: 900px) {
  .hero, .map-wrap, .playground, .inspector, .sync-wrap { grid-template-columns: 1fr; }
  .work-grid, .about-grid, .ai-cards { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .nav__links { display: none; }
  .mobile-menu-btn { display: flex; }
}

@media (max-width: 480px) {
  .nav__brand { font-size: var(--text-xs); }
  .progress-chip #progress-label { display: none; }
  .progress-chip { padding: 4px; }
  .palette-btn__label { display: none; }
}

/* ---------------------------------------------------------------- */
/* Draft markers: placeholders and details awaiting confirmation     */
/* ---------------------------------------------------------------- */
.draft { background: #FFF4C2; color: #5C4A00; padding: 0 .2em; border-radius: 3px; box-decoration-break: clone; -webkit-box-decoration-break: clone; }
:root[data-theme="dark"] .draft { background: #4A3E0C; color: #FFE99A; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]):not([data-theme="hc"]) .draft { background: #4A3E0C; color: #FFE99A; }
}
:root[data-theme="hc"] .draft { background: transparent; color: inherit; outline: 2px dashed currentColor; outline-offset: 1px; }

/* Full-width figure inside a case study */
.case-figure { margin: var(--space-5) 0 0; }
.case-figure__frame { border: 1px dashed var(--border-strong); border-radius: var(--radius-lg); background: var(--surface-1); aspect-ratio: 16 / 9; display: flex; align-items: center; justify-content: center; padding: var(--space-5); text-align: center; font-size: var(--text-sm); color: var(--text-secondary); }
.case-figure img { width: 100%; height: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); display: block; }
.case-figure figcaption { margin-top: var(--space-3); font-size: var(--text-xs); color: var(--text-secondary); line-height: var(--leading-relaxed); }
.demo-note { margin-top: var(--space-4); font-size: var(--text-xs); color: var(--text-secondary); font-style: italic; }
.case-links { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-5); }
.case-links a { background: var(--surface-1); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 8px 12px; font-size: var(--text-sm); text-decoration: none; }
.case-links a:hover { border-color: var(--accent); }
@media (max-width: 560px) { .stat-grid { grid-template-columns: repeat(2, 1fr); } }
/* Section label as a real h2 on standalone case pages (keeps the h1 → h2 outline) */
.case-section .h3-like { font-family: var(--font-mono); font-size: var(--text-sm); font-weight: inherit; text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent); margin-bottom: var(--space-5); }
.decision__head { color: var(--text-primary); font-family: inherit; }
dl.decision__body { margin: 0; }

/* Phones that draw under translucent system bars (insets are 0 on desktop) */
:root { box-sizing: border-box; padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }
html { scroll-padding-top: env(safe-area-inset-top, 0px); }
#nav, .case__topbar { top: env(safe-area-inset-top, 0px); }
#toast-container { bottom: calc(var(--space-5) + env(safe-area-inset-bottom, 0px)); }
/* Keep grid children from forcing the page wider than a phone */
.hero > *, .map-wrap > *, .playground > *, .inspector > *, .sync-wrap > * { min-width: 0; }
@media (max-width: 560px) {
  .inspector__stage { padding: var(--space-4); }
  .demo-input { width: 100%; max-width: 160px; }
}
.tabs { overflow-x: auto; scrollbar-width: thin; }
.tabs button { flex-shrink: 0; }

/* Principles: each one opens the section that demonstrates it */
.section-head .principle-label { margin-bottom: var(--space-3); }
.section-head h2.principle-title { font-size: clamp(1.6rem, 1.1rem + 1.6vw, 2.25rem); line-height: 1.2; max-width: 24ch; }

/* Two placeholder or image frames side by side */
.fig-pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.fig-pair .case-figure__frame { padding: var(--space-3); font-size: var(--text-xs); }
@media (max-width: 560px) { .fig-pair { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------------ */
/* FICO case study mockups. Illustrations with a neutral product        */
/* palette, fixed so they read the same in every site theme.           */
/* ------------------------------------------------------------------ */
.mk { --m-bg:#FFFFFF; --m-surface:#F4F6F9; --m-border:#D5DBE3; --m-text:#1A2230; --m-muted:#4F5A6B; --m-primary:#0A6DE6; --m-on-primary:#FFFFFF; --m-danger:#B42318; --m-success:#18794E; --m-focus:#0A6DE6; --m-primary-text:#0858BF;
  background: var(--m-surface); color: var(--m-text); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: var(--space-4); font-family: var(--font-body); font-size: 12px; line-height: 1.4; }
.mk--dark { --m-bg:#12161D; --m-surface:#1B2129; --m-border:#3A4452; --m-text:#E6EAF0; --m-muted:#AAB4C3; --m-primary:#5C9DF0; --m-on-primary:#0B1220; --m-danger:#FF8A80; --m-success:#5BD39A; --m-focus:#5C9DF0; --m-primary-text:#8FBDF5; }
.mk * { box-sizing: border-box; }
.mk-tag { display: inline-block; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.04em; text-transform: uppercase; color: var(--m-muted); margin-bottom: 6px; }
.mk-btn { display: inline-flex; align-items: center; justify-content: center; height: 28px; padding: 0 12px; border-radius: 6px; font-size: 12px; font-weight: 600; border: 1px solid transparent; white-space: nowrap; }
.mk-btn--primary { background: var(--m-primary); color: var(--m-on-primary); }
.mk-btn--secondary { background: var(--m-bg); color: var(--m-text); border-color: var(--m-border); }
.mk-btn--ghost { background: transparent; color: var(--m-primary-text); }
.mk-field { display: grid; gap: 4px; }
.mk-field label, .mk-label { font-size: 11px; font-weight: 600; color: var(--m-text); }
.mk-input { height: 28px; border: 1px solid var(--m-border); border-radius: 6px; background: var(--m-bg); padding: 0 8px; display: flex; align-items: center; color: var(--m-text); }
.mk-input--error { border-color: var(--m-danger); }
.mk-input--focus { border-color: var(--m-focus); box-shadow: 0 0 0 2px var(--m-bg), 0 0 0 4px var(--m-focus); }
.mk-help { font-size: 11px; color: var(--m-muted); }
.mk-error { font-size: 11px; color: var(--m-danger); display: flex; gap: 4px; align-items: center; }
.mk-card { background: var(--m-bg); border: 1px solid var(--m-border); border-radius: 8px; padding: 12px; }
.mk-pair { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
@media (max-width: 560px) { .mk-pair { grid-template-columns: 1fr; } }

/* 01 team diagram */
.mk-layers { display: grid; gap: 8px; }
.mk-layer { display: grid; gap: 8px; }
.mk-layer--consumers { grid-template-columns: 1fr 2fr; }
.mk-box { background: var(--m-bg); border: 1px solid var(--m-border); border-radius: 8px; padding: 10px 12px; }
.mk-box b { display: block; font-size: 13px; }
.mk-box span { color: var(--m-muted); font-size: 11px; }
.mk-chips { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 6px; }
.mk-chips i { font-style: normal; font-size: 10px; padding: 2px 6px; border-radius: 999px; background: var(--m-surface); border: 1px solid var(--m-border); color: var(--m-muted); }
.mk-ai { border: 1px dashed var(--m-primary); background: color-mix(in srgb, var(--m-primary) 8%, var(--m-bg)); text-align: center; }
.mk-ai b { color: var(--m-primary-text); }
.mk-core { background: var(--m-text); color: var(--m-bg); border-color: var(--m-text); text-align: center; }
.mk-core span { color: color-mix(in srgb, var(--m-bg) 80%, var(--m-text)); }
.mk-flowline { height: 14px; display: flex; justify-content: center; }
.mk-flowline::before { content: ''; width: 2px; background: var(--m-border); }

/* 02 audit grid */
.mk-audit { display: grid; gap: 10px; }
.mk-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.mk-drift1 { background: #2F6FD6; color: #fff; border-radius: 2px; height: 26px; font-size: 11px; }
.mk-drift2 { background: #1A73E8; color: #fff; border-radius: 14px; height: 32px; font-size: 13px; font-weight: 700; }
.mk-drift3 { background: #0D47A1; color: #fff; border-radius: 4px; height: 24px; font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; }
.mk-drift4 { background: #fff; color: #3367D6; border: 2px solid #3367D6; border-radius: 0; height: 30px; font-size: 12px; }
.mk-drift5 { background: #2F6FC6; color: #fff; border-radius: 8px; height: 28px; font-size: 12px; font-style: italic; }
.mk-drift-in1 { height: 26px; border: 1px solid #9AA4B2; border-radius: 0; background: #fff; flex: 1; min-width: 90px; }
.mk-drift-in2 { height: 32px; border: 0; border-bottom: 2px solid #666; background: #F1F1F1; flex: 1; min-width: 90px; }
.mk-drift-in3 { height: 28px; border: 1px dashed #B0B7C3; border-radius: 10px; background: #FAFAFA; flex: 1; min-width: 90px; }

/* 03 token flow */
.mk-flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; align-items: stretch; }
.mk-step { position: relative; background: var(--m-bg); border: 1px solid var(--m-border); border-radius: 8px; padding: 10px; display: flex; flex-direction: column; gap: 6px; }
.mk-step:not(:last-child)::after { content: ''; position: absolute; right: -7px; top: 50%; width: 8px; height: 8px; border-top: 2px solid var(--m-muted); border-right: 2px solid var(--m-muted); transform: translateY(-50%) rotate(45deg); background: var(--m-surface); z-index: 1; }
.mk-swatch { height: 28px; border-radius: 6px; border: 1px solid var(--m-border); }
.mk-code { font-family: var(--font-mono); font-size: 10px; color: var(--m-text); overflow-wrap: anywhere; }
.mk-mini { border: 1px solid var(--m-border); border-radius: 6px; padding: 6px; display: grid; gap: 4px; background: var(--m-surface); }
.mk-mini i { display: block; height: 5px; border-radius: 3px; background: var(--m-border); }
.mk-mini i:nth-child(2) { width: 70%; }
.mk-mini .mk-btn { height: 18px; font-size: 9px; padding: 0 6px; justify-self: start; }
.mk .mk-theme-label { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em; margin: 0 0 6px; color: var(--m-muted); }
@media (max-width: 640px) { .mk-flow { grid-template-columns: 1fr 1fr; row-gap: 10px; } .mk-step::after { display: none; } }

/* 04 spec */
.mk-spec { display: grid; gap: 8px; }
.mk-tokens { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 4px; }
.mk-tokens li { display: flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 10px; color: var(--m-text); }
.mk-tokens li::before { content: ''; width: 10px; height: 10px; border-radius: 3px; background: var(--dot); border: 1px solid var(--m-border); flex: none; }

/* 05 annotated spec */
.mk-annot { display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--space-4); align-items: start; }
.mk-annot__ui { display: grid; gap: 12px; position: relative; }
.mk-pin { display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--m-primary); color: var(--m-on-primary); font-size: 10px; font-weight: 700; flex: none; }
.mk-pinned { display: flex; gap: 6px; align-items: flex-start; }
.mk-pinned > div { flex: 1; }
.mk-notes { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.mk-notes li { display: flex; gap: 8px; align-items: flex-start; }
.mk-notes b { display: block; font-size: 12px; }
.mk-notes span { color: var(--m-muted); font-size: 11px; }
@media (max-width: 640px) { .mk-annot { grid-template-columns: 1fr; } }

/* 06 prototyper */
.mk-prompt { display: grid; gap: 8px; height: 100%; align-content: start; }
.mk-bubble { background: var(--m-bg); border: 1px solid var(--m-border); border-radius: 10px 10px 10px 2px; padding: 10px; font-size: 12px; }
.mk-context { display: flex; flex-wrap: wrap; gap: 4px; }
.mk-context i { font-style: normal; font-size: 10px; padding: 2px 6px; border-radius: 4px; background: color-mix(in srgb, var(--m-primary) 10%, var(--m-bg)); color: var(--m-primary-text); font-family: var(--font-mono); }
.mk-screen { background: var(--m-bg); border: 1px solid var(--m-border); border-radius: 8px; overflow: hidden; display: grid; }
.mk-screen__bar { background: var(--m-text); color: var(--m-bg); padding: 6px 10px; font-size: 11px; font-weight: 600; }
.mk-screen__body { padding: 10px; display: grid; gap: 8px; }
.mk-kv { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.mk-kv div { background: var(--m-surface); border-radius: 6px; padding: 6px; }
.mk-kv b { display: block; font-size: 13px; }
.mk-kv span { font-size: 10px; color: var(--m-muted); }
.mk-badge { display: inline-block; font-size: 10px; font-weight: 700; padding: 1px 6px; border-radius: 999px; background: #FDECEA; color: var(--m-danger); }
.mk-list { display: grid; gap: 4px; }
.mk-list div { display: flex; justify-content: space-between; font-size: 11px; border-bottom: 1px solid var(--m-border); padding-bottom: 3px; }
.mk-list span { color: var(--m-muted); }
.mk-review { margin-top: 8px; display: flex; gap: 6px; align-items: center; font-size: 11px; color: var(--m-text); background: var(--m-bg); border: 1px dashed var(--m-primary); border-radius: 6px; padding: 6px 8px; }

/* 08 mosaic */
.mk-mosaic { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.mk-tile { background: var(--m-bg); border: 1px solid var(--m-border); border-radius: 6px; overflow: hidden; aspect-ratio: 4 / 3; display: grid; grid-template-rows: 10px 1fr; }
.mk-tile__bar { background: var(--m-text); }
.mk-tile__body { padding: 6px; display: grid; gap: 4px; align-content: start; }
.mk-tile__body i { display: block; height: 5px; border-radius: 3px; background: var(--m-border); }
.mk-tile__body i.w60 { width: 60%; } .mk-tile__body i.w80 { width: 80%; } .mk-tile__body i.acc { width: 34%; height: 9px; background: var(--m-primary); }
.mk-tile__body i.blk { height: 22px; background: var(--m-surface); border: 1px solid var(--m-border); }
@media (max-width: 560px) { .mk-mosaic { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.mk-notes .mk-pin { color: var(--m-on-primary); }