/* Very Artificial - mobile-first editorial lab */

:root {
  --color-primary: #0a0a0a;
  --color-secondary: #5c5c5c;
  --color-signal: #0057ff;
  --color-neutral: #f4f4f1;
  --color-surface: #ffffff;
  --color-border: #d4d4ce;
  --color-muted: #ecece8;
  --color-success: #1a6b45;
  --color-danger: #9b1c1c;
  --font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2.5rem;
  --space-xxl: 4.5rem;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --tap-min: 44px;
  --max-width: 72rem;
  --text-h1: clamp(2.25rem, 5vw, 3.25rem);
  --text-h2: clamp(1.35rem, 3vw, 1.75rem);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 5rem;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.65;
  color: var(--color-primary);
  background: var(--color-neutral);
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

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

a {
  color: var(--color-signal);
  text-underline-offset: 0.15em;
}

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

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

.label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1.25;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-secondary);
}

.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;
}

.container {
  width: min(100% - 2rem, var(--max-width));
  margin-inline: auto;
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  z-index: 100;
  min-height: var(--tap-min);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary);
  color: var(--color-surface);
  text-decoration: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
}

.skip-link:focus {
  top: 0;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  padding-block: var(--space-md);
}

.site-brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  text-decoration: none;
  color: var(--color-primary);
  min-height: var(--tap-min);
  justify-content: center;
}

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

.site-brand__title {
  font-size: 1rem;
  font-weight: 780;
  letter-spacing: -0.03em;
}

.site-brand__tagline {
  font-size: 0.8125rem;
  color: var(--color-secondary);
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  min-width: var(--tap-min);
  min-height: var(--tap-min);
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-primary);
}

.site-nav {
  display: none;
  width: 100%;
}

.site-nav.is-open {
  display: block;
}

.site-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.site-nav__list a {
  display: flex;
  align-items: center;
  min-height: var(--tap-min);
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  color: var(--color-primary);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.site-nav__list a:hover,
.site-nav__list a:focus-visible {
  background: var(--color-muted);
  color: var(--color-primary);
}

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

  .site-nav {
    display: block;
    width: auto;
  }

  .site-nav__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .site-nav__list a {
    padding: var(--space-sm) var(--space-md);
  }
}

/* Main / sections */
.site-main {
  padding-bottom: var(--space-xxl);
}

.section {
  padding-block: var(--space-xl);
}

.section--muted {
  background: var(--color-muted);
  border-block: 1px solid var(--color-border);
}

.section__header {
  max-width: 42rem;
  margin-bottom: var(--space-xl);
}

.section__label {
  margin: 0 0 var(--space-sm);
}

.section__header h2 {
  margin: 0 0 var(--space-md);
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.section__lead {
  margin: 0;
  color: var(--color-secondary);
}

/* Hero */
.hero {
  padding-block: var(--space-xl);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.hero__layout {
  display: grid;
  gap: var(--space-xl);
}

.hero__content h1 {
  margin: var(--space-sm) 0 var(--space-md);
  font-size: var(--text-h1);
  font-weight: 780;
  line-height: 1.02;
  letter-spacing: -0.045em;
}

.hero__lead {
  margin: 0 0 var(--space-lg);
  max-width: 38rem;
  color: var(--color-secondary);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin: 0;
}

.hero-aside {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  background: var(--color-muted);
}

.hero-aside__label {
  margin: 0 0 var(--space-sm);
}

.hero-aside__list {
  margin: 0 0 var(--space-lg);
  padding-left: 1.25rem;
  color: var(--color-primary);
}

.hero-aside__list li + li {
  margin-top: var(--space-sm);
}

@media (min-width: 56rem) {
  .hero {
    padding-block: var(--space-xxl);
  }

  .hero__layout {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--tap-min);
  padding: 0.625rem 0.875rem;
  font-size: 0.9375rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-surface);
}

.btn--primary:hover {
  background: #2a2a2a;
  color: var(--color-surface);
}

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-muted);
  color: var(--color-primary);
}

/* Manifesto */
.manifesto-grid {
  display: grid;
  gap: var(--space-lg);
}

.manifesto-grid__main p {
  margin: 0 0 var(--space-md);
}

@media (min-width: 48rem) {
  .manifesto-grid {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
  }
}

/* Theme list */
.theme-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-md);
}

.theme-list li {
  padding: var(--space-md) var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* Pattern gallery */
.pattern-gallery {
  display: grid;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

@media (min-width: 48rem) {
  .pattern-gallery {
    grid-template-columns: repeat(2, 1fr);
  }
}

.artifact-panel {
  background: var(--color-muted);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
}

.artifact-panel__id {
  margin: 0 0 var(--space-sm);
  color: var(--color-signal);
}

.artifact-panel__title {
  margin: 0 0 var(--space-sm);
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.artifact-panel__body p {
  margin: 0 0 var(--space-sm);
  font-size: 0.9375rem;
}

.artifact-panel__body p:last-child {
  margin-bottom: 0;
}

.artifact-panel__meta {
  margin: var(--space-md) 0 0;
  font-size: 0.8125rem;
  color: var(--color-secondary);
}

/* Rewrite blocks */
.rewrite-stack__title {
  margin: 0 0 var(--space-lg);
  font-size: 1.125rem;
  font-weight: 700;
}

.rewrite-stack {
  display: grid;
  gap: var(--space-lg);
}

.rewrite-block {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  background: var(--color-surface);
}

.rewrite-block__label {
  margin: 0 0 var(--space-md);
  color: var(--color-signal);
}

.rewrite-block__grid {
  display: grid;
  gap: var(--space-md);
}

.rewrite-block__heading {
  margin: 0 0 var(--space-sm);
}

.rewrite-block__quote {
  margin: 0;
  padding: var(--space-md);
  font-size: 0.9375rem;
  line-height: 1.55;
  border-radius: var(--radius-sm);
}

.rewrite-block__col--bad .rewrite-block__quote {
  background: #f9f0f0;
  border-left: 3px solid var(--color-danger);
}

.rewrite-block__col--better .rewrite-block__quote {
  background: var(--color-muted);
  border-left: 3px solid var(--color-success);
}

.rewrite-block__note {
  margin: var(--space-md) 0 0;
  font-size: 0.875rem;
  color: var(--color-secondary);
}

@media (min-width: 48rem) {
  .rewrite-block__grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* Note and reference */
.note-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
}

.note-panel__title {
  margin: 0 0 var(--space-sm);
}

.note-panel__body p {
  margin: 0;
  font-size: 0.9375rem;
}

.reference-block {
  margin-top: var(--space-lg);
  padding: 0.75rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--color-secondary);
}

.reference-block p {
  margin: 0;
}

.reference-block code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

/* Checklist tool */
.checklist-tool {
  display: grid;
  gap: var(--space-lg);
}

.checklist-tool__fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.checklist-tool__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.checklist-row__label {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  min-height: var(--tap-min);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.checklist-row__label:hover {
  border-color: var(--color-primary);
}

.checklist-row__input {
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
  accent-color: var(--color-signal);
}

.checklist-row__text {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.checklist-row__title {
  font-weight: 650;
  color: var(--color-primary);
}

.checklist-row__detail {
  font-size: 0.875rem;
  color: var(--color-secondary);
}

.checklist-verdict {
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
}

.checklist-verdict__label {
  margin: 0 0 var(--space-sm);
}

.checklist-verdict__title {
  margin: 0 0 var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.checklist-verdict__score {
  margin: 0 0 var(--space-sm);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.checklist-verdict__note {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-secondary);
}

.checklist-verdict--low {
  border-color: var(--color-success);
}

.checklist-verdict--low .checklist-verdict__title {
  color: var(--color-success);
}

.checklist-verdict--caution {
  border-color: var(--color-primary);
}

.checklist-verdict--high {
  border-color: var(--color-danger);
}

.checklist-verdict--high .checklist-verdict__title {
  color: var(--color-danger);
}

@media (min-width: 48rem) {
  .checklist-tool {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }
}

/* Editorial cards */
.editorial-grid {
  display: grid;
  gap: var(--space-md);
}

.editorial-grid--three {
  grid-template-columns: 1fr;
}

@media (min-width: 40rem) {
  .editorial-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .editorial-grid--three {
    grid-template-columns: repeat(3, 1fr);
  }
}

.editorial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.editorial-card__head {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  align-items: center;
  margin-bottom: var(--space-sm);
}

.editorial-card__status {
  color: var(--color-signal);
}

.editorial-card__meta {
  font-size: 0.8125rem;
  color: var(--color-secondary);
}

.editorial-card__tag,
.editorial-card__index {
  margin: 0 0 var(--space-sm);
}

.editorial-card__index {
  color: var(--color-signal);
}

.editorial-card__title {
  margin: 0 0 var(--space-sm);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.editorial-card__title a {
  color: var(--color-primary);
  text-decoration: none;
}

.editorial-card__title a:hover {
  color: var(--color-signal);
}

.editorial-card__dek,
.editorial-card__body p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-secondary);
}

/* Principle grid */
.principle-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 40rem) {
  .principle-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .principle-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Page header (404) */
.page-header {
  padding-block: var(--space-xxl);
}

.page-header__label {
  margin: 0 0 var(--space-sm);
  color: var(--color-signal);
}

.page-header h1 {
  margin: 0 0 var(--space-md);
  font-size: var(--text-h2);
  font-weight: 700;
}

.page-header__lead {
  margin: 0 0 var(--space-lg);
  max-width: 36rem;
  color: var(--color-secondary);
}

.page-header__actions {
  margin: 0;
}

/* Footer */
.site-footer {
  padding-block: var(--space-xl);
  background: var(--color-primary);
  color: var(--color-neutral);
}

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

.site-footer__lead {
  margin: 0 0 var(--space-sm);
  font-weight: 700;
  font-size: 1.0625rem;
}

.site-footer__note {
  margin: 0 0 var(--space-md);
  font-size: 0.9375rem;
  color: #b8b8b4;
  max-width: 40rem;
}

.site-footer__copy {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: #8a8a86;
}