@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap");

:root {
  color-scheme: light dark;
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --bg: #fafafa;
  --surface: #ffffff;
  --elevated: #f0f0f2;
  --ink: #1d1d1f;
  --ink-2: #424245;
  --muted: #86868b;
  --line: #e8e8ed;
  --line-strong: #d2d2d7;
  --accent: #1eb8a6;
  --accent-hover: #179b8c;
  --accent-contrast: #ffffff;
  --header-bg: oklch(98% 0 0 / 82%);
  --shadow-menu: oklch(0% 0 0 / 8%);
  --selection: oklch(72% 0.11 180 / 28%);
  --on-ink: #ffffff;
  --btn-primary-bg: var(--accent);
  --btn-primary-fg: var(--accent-contrast);
  --btn-primary-hover-bg: var(--accent-hover);
  --container: 68rem;
  --text: 40rem;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);
  --section: clamp(4.5rem, 11vw, 7.5rem);
  --fast: 160ms ease;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #000000;
  --surface: #1c1c1e;
  --elevated: #2c2c2e;
  --ink: #f5f5f7;
  --ink-2: #a1a1a6;
  --muted: #6e6e73;
  --line: #38383a;
  --line-strong: #48484a;
  --accent: #2ec4b6;
  --accent-hover: #3dd9cb;
  --accent-contrast: #062624;
  --header-bg: oklch(12% 0 0 / 78%);
  --shadow-menu: oklch(0% 0 0 / 45%);
  --selection: oklch(78% 0.12 180 / 32%);
  --on-ink: #1d1d1f;
  --btn-primary-bg: var(--accent);
  --btn-primary-fg: var(--accent-contrast);
  --btn-primary-hover-bg: var(--accent-hover);
}

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

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.011em;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-underline-offset: 0.2em;
}

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

.prose a,
.about-block a,
.contact-block a,
.minimal-hero__lead a {
  color: var(--accent);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 38%, transparent);
  text-underline-offset: 0.18em;
}

.prose a:hover,
.about-block a:hover,
.contact-block a:hover,
.minimal-hero__lead a:hover {
  color: var(--accent-hover);
  text-decoration-color: currentColor;
}

button {
  font: inherit;
  border: 0;
  background: none;
  cursor: pointer;
}

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

::selection {
  background: var(--selection);
}

.skip-link {
  position: fixed;
  inset: 1rem auto auto 1rem;
  z-index: 100;
  transform: translateY(-150%);
  padding: 0.65rem 1rem;
  border-radius: 0.35rem;
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
  text-decoration: none;
  transition: transform var(--fast);
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  transition: border-color var(--fast);
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(100%, var(--container));
  margin: 0 auto;
  padding: 1rem var(--gutter);
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand:hover {
  color: var(--ink);
}

.brand-mark {
  display: none;
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.4rem;
  color: var(--ink);
  font-size: 0.875rem;
}

.nav-toggle-lines {
  display: grid;
  gap: 0.2rem;
}

.nav-toggle-lines span {
  width: 0.9rem;
  height: 1.5px;
  background: currentColor;
}

.nav-links {
  position: absolute;
  inset: calc(100% + 0.35rem) var(--gutter) auto var(--gutter);
  display: grid;
  gap: 0.15rem;
  padding: 0.5rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface);
  box-shadow: 0 12px 40px var(--shadow-menu);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-0.35rem);
  transition: opacity var(--fast), transform var(--fast);
}

.nav-links.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-links a {
  padding: 0.55rem 0.65rem;
  border-radius: 0.35rem;
  color: var(--ink-2);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
}

.nav-links a:hover {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  margin-top: 0.15rem;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 0.4rem;
  color: var(--ink-2);
  transition: border-color var(--fast), color var(--fast), background var(--fast);
}

.theme-toggle:hover {
  border-color: var(--muted);
  color: var(--ink);
  background: var(--bg);
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.25rem;
  height: 2.25rem;
  margin-top: 0.15rem;
  padding: 0 0.45rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.4rem;
  color: var(--ink-2);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: border-color var(--fast), color var(--fast), background var(--fast);
}

.lang-toggle:hover {
  border-color: var(--muted);
  color: var(--ink);
  background: var(--bg);
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.theme-toggle svg {
  width: 1rem;
  height: 1rem;
}

.theme-toggle__icon--sun {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--moon {
  display: none;
}

[data-theme="dark"] .theme-toggle__icon--sun {
  display: block;
}

.nav-links .nav-tools {
  margin-top: 0.35rem;
  padding-top: 0.35rem;
  border-top: 1px solid var(--line);
}

@media (min-width: 56rem) {
  .nav-links .nav-tools {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
  }
}

/* Layout */

.page-shell {
  overflow: clip;
}

.section {
  width: min(100%, var(--container));
  margin: 0 auto;
  padding: var(--section) var(--gutter);
}

.section + .section {
  padding-top: 0;
}

.section-head {
  display: grid;
  gap: 0.5rem;
  max-width: var(--text);
  margin-bottom: clamp(2rem, 5vw, 3rem);
}

.section-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.section-lead {
  margin: 0;
  max-width: var(--text);
  color: var(--ink-2);
  font-size: 1.0625rem;
  line-height: 1.55;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

h1 {
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 600;
  line-height: 1.08;
  max-width: 14ch;
}

h2 {
  font-size: clamp(1.5rem, 3.5vw, 2rem);
  line-height: 1.15;
}

h3 {
  font-size: clamp(1.125rem, 2.5vw, 1.35rem);
  line-height: 1.25;
}

p {
  margin: 0;
  text-wrap: pretty;
}

/* Hero */

.minimal-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100svh - 4.5rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  padding-bottom: clamp(3rem, 8vw, 5rem);
  text-align: center;
}

.minimal-hero__inner {
  width: 100%;
  max-width: 40rem;
  margin-inline: auto;
}

.minimal-hero__title {
  max-width: none;
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, "Times New Roman", Georgia, serif;
  font-size: clamp(2.75rem, 9vw, 4.25rem);
  font-style: italic;
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.minimal-hero__lead {
  margin: 1.75rem auto 0;
  max-width: 34rem;
  color: var(--muted);
  font-size: clamp(1.0625rem, 2.2vw, 1.1875rem);
  line-height: 1.65;
}

.minimal-hero__lead strong {
  color: var(--ink-2);
  font-weight: 600;
}

.hero-actions {
  display: flex;
  justify-content: center;
  margin-top: 2.25rem;
}

.button.hero-cta {
  min-height: 3rem;
  padding: 0.75rem 1.5rem;
  border: 0;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 1rem;
  font-weight: 500;
}

.button.hero-cta:hover {
  border: 0;
  background: var(--accent-hover);
  color: var(--accent-contrast);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.75rem;
  padding: 0.65rem 1.15rem;
  border: 1px solid var(--line-strong);
  border-radius: 980px;
  background: var(--surface);
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color var(--fast), background var(--fast);
}

.button:hover {
  border-color: var(--ink);
  color: var(--ink);
  background: var(--surface);
}

.button.primary {
  border-color: var(--btn-primary-bg);
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
}

.button.primary:hover {
  border-color: var(--btn-primary-hover-bg);
  background: var(--btn-primary-hover-bg);
  color: var(--btn-primary-fg);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--accent);
  font-size: 0.9375rem;
  font-weight: 500;
  text-decoration: none;
}

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

.text-link::after {
  content: "→";
  transition: transform var(--fast);
}

.text-link:hover::after {
  transform: translateX(0.15rem);
}

/* Work list */

.work-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.work-item {
  display: grid;
  gap: 1.25rem;
  padding: clamp(2rem, 4vw, 2.75rem) 0;
  border-bottom: 1px solid var(--line);
  color: inherit;
  text-decoration: none;
}

.work-item:hover {
  color: inherit;
}

.work-item__media {
  position: relative;
  margin: 0;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  background: var(--elevated);
}

.work-item__cover {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 280ms ease;
}

.work-item:hover .work-item__cover {
  transform: scale(1.012);
}

.work-item__content {
  display: grid;
  gap: 0.65rem;
}

.work-item:hover .work-item__title {
  color: var(--accent-hover);
}

.work-item__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
}

.work-item__title {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  transition: color var(--fast);
}

.work-item__meta {
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 500;
  white-space: nowrap;
}

.work-item__outcome {
  max-width: 48rem;
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.55;
}

.work-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.work-item__tags span {
  color: var(--muted);
  font-size: 0.8125rem;
}

/* About */

.about-block {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
  max-width: var(--text);
}

.about-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.about-skills li {
  color: var(--ink-2);
  font-size: 0.9375rem;
  font-weight: 500;
}

.about-skills li + li::before {
  content: "·";
  margin-right: 1.25rem;
  color: var(--line-strong);
  font-weight: 400;
}

.about-copy p {
  margin: 0 0 1rem;
  color: var(--ink-2);
  font-size: 1.0625rem;
  line-height: 1.65;
}

.about-copy p:last-child {
  margin-bottom: 0;
}

.about-aside {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9375rem;
}

.about-principles {
  display: grid;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
  max-width: 52rem;
}

.about-principles li {
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  font-size: 1rem;
  line-height: 1.55;
}

.about-principles strong {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--ink);
  font-weight: 600;
}

/* Archive */

.link-row {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}

.link-row a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.link-row a:hover strong {
  color: var(--accent);
}

.link-row strong {
  font-size: 1rem;
  font-weight: 600;
  transition: color var(--fast);
}

.link-row span {
  color: var(--muted);
  font-size: 0.9375rem;
}

/* Contact */

.contact-block {
  max-width: var(--text);
}

.contact-block p {
  margin-top: 0.75rem;
  color: var(--ink-2);
  font-size: 1.0625rem;
  line-height: 1.55;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  margin-top: 1.5rem;
}

.contact-links a {
  color: var(--accent);
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 38%, transparent);
}

.contact-links a:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent-hover);
}

/* Footer */

.footer {
  width: min(100%, var(--container));
  margin: 0 auto;
  padding: 2.5rem var(--gutter) 3.5rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8125rem;
}

.footer a {
  color: var(--muted);
  text-decoration: none;
}

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

/* Case pages */

.back-link {
  display: inline-block;
  margin-bottom: 1.5rem;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
}

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

.case-hero {
  padding-top: clamp(2rem, 6vw, 3.5rem);
}

.eyeline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.case-title {
  max-width: 18ch;
  font-size: clamp(2rem, 5vw, 2.75rem);
  line-height: 1.1;
}

.case-lead {
  margin-top: 1rem;
  max-width: 42rem;
  color: var(--ink-2);
  font-size: clamp(1.0625rem, 2.4vw, 1.2rem);
  line-height: 1.55;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1.25rem 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  color: var(--muted);
  font-size: 0.8125rem;
}

.tag-list li:not(:last-child)::after {
  content: "·";
  margin-left: 0.5rem;
  color: var(--line-strong);
}

.case-layout {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
}

.case-aside {
  padding: 1.25rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.case-aside dl {
  display: grid;
  gap: 1rem;
  margin: 0;
}

.case-aside dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.case-aside dd {
  margin: 0.15rem 0 0;
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 500;
}

.case-content {
  display: grid;
  gap: clamp(2.5rem, 6vw, 3.5rem);
}

.content-section {
  scroll-margin-top: 5rem;
}

.content-section > h2 {
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.content-section p,
.content-section li {
  max-width: 42rem;
  color: var(--ink-2);
  font-size: 1.0625rem;
  line-height: 1.65;
}

.content-section ul,
.content-section ol {
  display: grid;
  gap: 0.65rem;
  margin: 0.75rem 0 0;
  padding-left: 1.15rem;
}

.cpppr-steps {
  margin: 0.75rem 0 0;
  padding-left: 1.15rem;
  color: var(--ink-2);
  display: grid;
  gap: 0.75rem;
  font-size: 1.0625rem;
  line-height: 1.65;
  max-width: 42rem;
}

.table-card,
.decision-card,
.metric-card,
.note {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface);
}

.table-card {
  margin-top: 1rem;
  overflow: hidden;
}

.table-row {
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.15rem;
}

.table-row + .table-row {
  border-top: 1px solid var(--line);
}

.table-row strong {
  color: var(--ink);
  font-size: 0.9375rem;
  font-weight: 600;
}

.table-row span {
  color: var(--ink-2);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.decision-grid,
.metrics-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.decision-card {
  display: grid;
  gap: 1rem;
  padding: 1.25rem;
}

.decision-card h3 {
  font-size: 1.125rem;
}

.decision-card p {
  margin-top: 0.35rem;
  color: var(--ink-2);
  font-size: 0.9375rem;
}

.decision-steps {
  display: grid;
  gap: 0.75rem;
  margin: 0;
}

.decision-steps div {
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.decision-steps dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.decision-steps dd {
  margin: 0.2rem 0 0;
  color: var(--ink-2);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.metric-card {
  padding: 1.25rem;
}

.metric-value {
  display: block;
  margin-bottom: 0.35rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  line-height: 1;
  color: var(--ink);
}

.metric-card strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.9375rem;
  font-weight: 600;
}

.metric-card p {
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.artifact {
  margin-top: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--surface);
}

.artifact h3 {
  font-size: 0.9375rem;
  font-weight: 600;
}

.artifact-copy {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.scada-artifact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-top: 1rem;
}

.scada-artifact-grid span {
  display: grid;
  place-items: center;
  min-height: 3.5rem;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: var(--bg);
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 500;
}

.scada-artifact-grid .focus {
  border-color: var(--line-strong);
  background: var(--elevated);
}

.scada-artifact-grid .ghost-cell {
  border-style: dashed;
  border-color: var(--line-strong);
  color: var(--ink-2);
}

.artifact-status-row,
.event-log {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.85rem;
}

.artifact-status-row span,
.event-log span {
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 980px;
  background: var(--bg);
  color: var(--muted);
  font-size: 0.6875rem;
  font-weight: 500;
}

.nmos-matrix {
  display: grid;
  grid-template-columns: 3.5rem repeat(4, 1fr);
  gap: 0.35rem;
  margin-top: 1rem;
}

.nmos-matrix span {
  display: grid;
  place-items: center;
  min-height: 2.25rem;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: var(--bg);
  color: var(--muted);
  font-size: 0.75rem;
}

.nmos-matrix .active {
  border-color: var(--btn-primary-bg);
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
}

.ds-artifact-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.5rem;
  margin-top: 1rem;
}

.ds-artifact-chip,
.ds-artifact-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: var(--bg);
  color: var(--ink-2);
  font-size: 0.6875rem;
  font-weight: 500;
}

.ds-artifact-chip.primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-fg);
  border-color: var(--btn-primary-bg);
}

.ds-artifact-field {
  grid-column: span 2;
  min-height: 2rem;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: var(--bg);
}

.ds-artifact-tree {
  grid-column: span 4;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
  border: 1px dashed var(--line-strong);
  border-radius: 0.35rem;
  color: var(--muted);
  font-size: 0.6875rem;
}

.platform-artifact-tiles {
  display: grid;
  gap: 0.5rem;
  margin-top: 1rem;
}

.platform-artifact-tile {
  display: grid;
  gap: 0.2rem;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 0.35rem;
  background: var(--bg);
}

.platform-artifact-tile.active {
  border-color: var(--ink);
}

.platform-artifact-tile__title {
  font-size: 0.8125rem;
  font-weight: 600;
}

.platform-artifact-tile__meta {
  color: var(--muted);
  font-size: 0.75rem;
}

.platform-artifact-tile__status {
  font-size: 0.75rem;
  font-weight: 500;
}

.platform-artifact-tile__status.warn {
  color: var(--ink-2);
}

.platform-artifact-tile__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  font-size: 0.6875rem;
  color: var(--muted);
}

.platform-artifact-tile__badges span {
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--line);
  border-radius: 980px;
}

.scroll-x {
  overflow-x: auto;
  padding-bottom: 0.25rem;
}

.note {
  padding: 1.15rem;
}

.note strong {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.note p {
  color: var(--ink-2);
  font-size: 0.9375rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

/* Reveal */

.reveal {
  opacity: 1;
  transform: none;
}

.reveal.reveal-ready {
  opacity: 0;
  transform: translateY(0.75rem);
  transition: opacity 500ms ease, transform 500ms ease;
}

.reveal.reveal-ready.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive */

@media (min-width: 56rem) {
  .nav-toggle {
    display: none;
  }

  .nav-links {
    position: static;
    display: flex;
    align-items: center;
    gap: 0.15rem;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .nav-links a {
    padding: 0.45rem 0.65rem;
  }

  .theme-toggle {
    margin-top: 0;
    margin-left: 0;
  }

  .lang-toggle {
    margin-top: 0;
  }

  .nav-tools {
    margin-left: 0.35rem;
  }

  .case-layout {
    grid-template-columns: 14rem minmax(0, 1fr);
    align-items: start;
  }

  .case-aside {
    position: sticky;
    top: 5rem;
    padding: 0;
    border: 0;
  }

  .case-aside dl {
    padding: 1rem 0;
    border-top: 1px solid var(--line);
  }

  .decision-card {
    grid-template-columns: minmax(0, 1fr) minmax(14rem, 0.85fr);
    align-items: start;
  }

  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .table-row {
    grid-template-columns: minmax(10rem, 0.75fr) 1fr;
    align-items: start;
  }

  .about-block {
    max-width: none;
  }

  .about-principles {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
}

@media (min-width: 72rem) {
  .metrics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal.reveal-ready {
    opacity: 1;
    transform: none;
  }
}