/* Primitive palette. Components use the semantic aliases below. */
:root {
  --color-paper: #F7F3EB;
  --color-ink: #282321;
  --color-oxblood: #7A2E3A;
  --color-clay: #C9826B;
  /* Clay printed lighter for the oxblood field, where full clay turns muddy
     (3.0:1). Same hue family as print's supporting ink; 5.0:1 on oxblood. */
  --color-clay-light: #ECB297;
  --color-rose-paper: #F0E1DC;
  --color-surface: #FFFCF7;
  --color-muted: #625651;
  --color-border-subtle: #D9CCC2;
  --color-border-control: #8C7B72;
  --color-oxblood-hover: #662330;
  --color-oxblood-active: #551D27;

  --background: var(--color-paper);
  --surface: var(--color-surface);
  --surface-tinted: var(--color-rose-paper);
  --surface-accent: var(--color-clay);
  --text-primary: var(--color-ink);
  --text-secondary: var(--color-muted);
  --action-primary: var(--color-oxblood);
  --action-hover: var(--color-oxblood-hover);
  --action-active: var(--color-oxblood-active);
  --on-primary: var(--color-paper);
  --accent-on-primary: var(--color-clay-light);
  --border-subtle: var(--color-border-subtle);
  --border-control: var(--color-border-control);
  --focus: var(--color-oxblood);
  --focus-inverse: var(--color-paper);

  /* Functional colors are separate from the brand palette. Pair with words. */
  --status-error: #A12622;
  --status-error-surface: #FFF1EE;
  --status-success: #28613B;
  --status-success-surface: #EDF5EC;
  --status-info: #28576B;
  --status-info-surface: #ECF2F5;

  --font-editorial: 'Fraunces', Georgia, serif;
  --font-ui: 'Instrument Sans', system-ui, sans-serif;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --radius-control: 0.375rem;
  --radius-surface: 0.5rem;
  --content-width: 75rem;
  --reading-width: 65ch;
  --duration-fast: 140ms;

  /* Compatibility bridge for existing feature styles, not a second palette. */
  --paper: var(--background);
  --paper-card: var(--surface);
  --paper-deep: var(--surface-tinted);
  --ink: var(--text-primary);
  --ink-soft: var(--text-secondary);
  --ink-faint: var(--text-secondary);
  --rule: var(--border-subtle);
  --accent: var(--action-primary);
  --accent-dark: var(--action-hover);
  --accent-tint: var(--surface-tinted);
  --control-border: var(--border-control);
  --ink-blue: var(--action-primary);
  --blue-tint: var(--surface-tinted);
  --leaf: var(--status-success);
  --serif: var(--font-ui);
  --sans: var(--font-ui);
  --display: var(--font-editorial);
  --wordmark: var(--font-editorial);
  --track-tight: 0em;
  --track-label: 0em;
  --track-banner: 0em;
  --shadow-card: none;
  --shadow-lift: none;
}

/* Full variable fonts, pinned to google/fonts e44c4b01. See font README. */
@font-face {
  font-family: 'Fraunces';
  src: url('/api/fonts/web-ui/Fraunces-e44c4b01.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Instrument Sans';
  src: url('/api/fonts/web-ui/InstrumentSans-e44c4b01.woff2') format('woff2');
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Instrument Sans';
  src: url('/api/fonts/web-ui/InstrumentSans-Italic-e44c4b01.woff2') format('woff2');
  font-weight: 400 700;
  font-style: italic;
  font-display: swap;
}

/* Web UI contracts. Feature layouts remain in their owning stylesheets. */
html { background-color: var(--background); color-scheme: light; }
body {
  background: var(--background);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.6;
  font-synthesis: none;
  /* Replace Safari's automatic inset after viewport-fit=cover. Content stays
     in the same safe area; only the paper canvas extends to the screen edge. */
  padding: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px);
}
body, button, input, textarea, select { font-variation-settings: normal; }
strong, b { font-weight: 600; }
h1, h2, h3, h4, .type-heading {
  font-family: var(--font-editorial);
  font-weight: 516;
  font-style: normal;
  font-optical-sizing: auto;
  /* Deliberately replaces, rather than inherits, the display opsz setting. */
  font-variation-settings: 'SOFT' 35, 'WONK' 1;
  line-height: 1.18;
  letter-spacing: normal;
}
h1, .brand-wordmark, .type-display, .landing .hero h1 {
  font-family: var(--font-editorial);
  font-weight: 516;
  font-style: normal;
  font-optical-sizing: none;
  font-variation-settings: 'opsz' 54.9, 'SOFT' 35, 'WONK' 1;
  font-synthesis: none;
}
.brand-wordmark {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: clamp(1.5rem, 2.8vw, 2.25rem);
  text-transform: uppercase;
  font-kerning: normal;
  letter-spacing: 0em;
  line-height: 1.1;
  white-space: nowrap;
  text-decoration: none;
}
.type-display { font-size: clamp(2.5rem, 5.6vw, 4.5rem); letter-spacing: -0.02em; line-height: 1.08; }
.type-heading { font-size: clamp(1.75rem, 3.4vw, 2.75rem); }
.type-body, .type-ui {
  font-family: var(--font-ui);
  font-variation-settings: normal;
  letter-spacing: normal;
}
.type-body { font-size: 1.125rem; line-height: 1.6; max-width: var(--reading-width); }
.type-ui { font-size: 1rem; }
.type-meta { font-family: var(--font-ui); font-size: 0.875rem; color: var(--text-secondary); }
.type-editorial { font-family: var(--font-editorial); font-weight: 516; font-size: clamp(1.375rem, 2.2vw, 1.75rem); font-optical-sizing: auto; font-variation-settings: 'SOFT' 35, 'WONK' 1; line-height: 1.18; }
a { color: var(--action-primary); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--action-hover); }
a:active { color: var(--action-active); }
main { max-width: var(--content-width); padding: var(--space-8) var(--space-6) var(--space-16); }
main.narrow { max-width: 46rem; }
:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  box-shadow: 0 0 0 3px var(--background);
}
.skip-link { position: fixed; top: var(--space-2); left: var(--space-4); z-index: 9999; padding: var(--space-3); background: var(--surface); transform: translateY(-200%); }
.skip-link:focus { transform: none; }
.site-header {
  display: flex;
  max-width: var(--content-width);
  align-items: center;
  padding: var(--space-6);
  gap: var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
}
.site-header nav { align-items: center; font-size: 1rem; gap: var(--space-6); }
.site-header nav a, .site-header button.link { min-height: 44px; display: inline-flex; align-items: center; }
.site-brand { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 5px; min-height: 44px; text-decoration: none; }
.site-brand .brand-wordmark { min-height: 0; }
.site-brand-caption { font: 500 .625rem/1.2 var(--font-ui); letter-spacing: .18em; text-transform: uppercase; color: var(--text-secondary); }
.site-header-frontpage { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 100; background: var(--background); padding-block: var(--space-4); border-bottom: 0; max-height: 100dvh; overflow-y: auto; }
html:has(.site-header-frontpage) { scroll-padding-top: calc(var(--masthead-scroll-offset, 7rem) + env(safe-area-inset-top, 0px)); }
.site-header-frontpage::before { content: ''; position: absolute; inset: calc(-1 * env(safe-area-inset-top, 0px)) 0 100%; background: var(--background); pointer-events: none; z-index: -1; }
.site-header-frontpage::after { content: ''; position: absolute; bottom: 0; left: var(--space-6); right: var(--space-6); border-bottom: 3px double var(--action-primary); }
.site-header .nav-toggle { display: none; align-items: center; justify-content: center; flex: 0 0 44px; width: 44px; height: 44px; padding: 10px; border: 0; border-radius: 2px; background: transparent; color: var(--action-primary); cursor: pointer; }
.site-header .nav-toggle svg { width: 24px; height: 24px; }
.nav-toggle-label { display: none; }
.site-header .nav-toggle:hover { background: var(--surface-tinted); }
.site-header .nav-toggle[aria-expanded='true'] { background: var(--surface-accent); color: var(--text-primary); }

/* Extends the existing button API used throughout the product. */
.button, .button.small, .button.big {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  min-width: 44px;
  max-width: 100%;
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--action-primary);
  border-radius: var(--radius-control);
  background: var(--action-primary);
  color: var(--on-primary);
  font: 600 1rem/1.4 var(--font-ui);
  letter-spacing: normal;
  text-transform: none;
  white-space: normal;
  text-decoration: none;
  box-shadow: none;
  transition: background-color var(--duration-fast) ease, border-color var(--duration-fast) ease, color var(--duration-fast) ease;
}
.button.primary { background: var(--action-primary); border-color: var(--action-primary); color: var(--on-primary); }
.button:hover:not(:disabled), .button.primary:hover:not(:disabled) {
  background: var(--action-hover); border-color: var(--action-hover); color: var(--on-primary); box-shadow: none; transform: none;
}
.button:active:not(:disabled), .button.primary:active:not(:disabled) {
  background: var(--action-active); border-color: var(--action-active); color: var(--on-primary); box-shadow: none; transform: none;
}
.button.ghost { background: var(--surface); color: var(--action-primary); border-color: var(--action-primary); }
.button.ghost:hover:not(:disabled) { background: var(--surface-tinted); color: var(--action-hover); border-color: var(--action-hover); }
.button.ghost:active:not(:disabled) { background: var(--surface-tinted); color: var(--action-active); border-color: var(--action-active); }
.button:disabled, .button.primary:disabled {
  background: var(--surface-tinted); color: var(--text-secondary); border-color: var(--border-control); cursor: not-allowed; opacity: 1;
}
.button[aria-busy='true'] { cursor: progress; }
.button-spinner { width: 1em; height: 1em; flex: none; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: ui-spin 800ms linear infinite; }
@keyframes ui-spin { to { transform: rotate(360deg); } }
button.link { min-height: 44px; min-width: 44px; font-size: 1rem; color: var(--action-primary); }

/* Native form controls and reusable label/help/error relationships. */
input:not([type='checkbox']):not([type='radio']):not([type='range']):not([type='hidden']),
select, textarea,
.form-compact input, .form-compact select, .form-compact textarea {
  min-height: 44px;
  padding: var(--space-3);
  background-color: var(--surface);
  color: var(--text-primary);
  border: 1px solid var(--border-control);
  border-radius: var(--radius-control);
  font-family: var(--font-ui);
  font-size: 1rem;
  line-height: 1.5;
}
select:not([multiple]) { padding-right: var(--space-8); background-color: var(--surface); }
textarea { resize: vertical; min-height: 8rem; }
input::placeholder, textarea::placeholder { color: var(--text-secondary); opacity: 1; }
input:disabled, select:disabled, textarea:disabled { color: var(--text-secondary); background-color: var(--surface-tinted); cursor: not-allowed; }
input[aria-invalid='true'], select[aria-invalid='true'], textarea[aria-invalid='true'] { border: 2px solid var(--status-error); }
input[type='checkbox'], input[type='radio'] { accent-color: var(--action-primary); width: 1.25rem; height: 1.25rem; flex: none; }
.choice { min-height: 44px; padding-block: var(--space-2); }
.ui-field { display: grid; gap: var(--space-2); min-width: 0; }
.ui-field label, .field, fieldset label, .contribute-field { font-family: var(--font-ui); font-size: 1rem; font-weight: 600; }
.ui-field :is(input, select, textarea), .ui-field .field-help { margin: 0; }
.field-help, .field-error, .f-label, .form-note { font-family: var(--font-ui); font-size: 0.875rem; line-height: 1.5; letter-spacing: normal; text-transform: none; }
.field-error { color: var(--status-error); }
.f-label { font-weight: 600; }
input[type='file']::file-selector-button { min-height: 44px; font-size: 1rem; border-radius: var(--radius-control); }
.ui-card { padding: var(--space-6); background: var(--surface); border: 1px solid var(--border-subtle); border-radius: var(--radius-surface); }
.ui-divider { border: 0; border-top: 1px solid var(--border-subtle); margin-block: var(--space-8); }
.ui-badge { display: inline-flex; width: fit-content; padding: var(--space-1) var(--space-2); border-radius: var(--radius-control); background: var(--surface-tinted); color: var(--text-primary); font: 500 0.875rem/1.5 var(--font-ui); }
.ui-badge-success { background: var(--status-success-surface); color: var(--status-success); }
.ui-badge-accent { background: var(--surface-accent); color: var(--text-primary); }
.ui-accent-panel { background: var(--surface-accent); color: var(--text-primary); padding: var(--space-8); }
.ui-accent-panel :is(h2, h3, p) { color: inherit; }
.flag { font-family: var(--font-ui); font-size: 0.875rem; font-weight: 500; letter-spacing: normal; text-transform: none; }
.flag.ok, .save-status.ok { color: var(--status-success); }
.flag.info { color: var(--status-info); }
.flag.warn, .caption-saved.failed, .archive-headline.is-failed, .save-status.error, .billing-state.error span { color: var(--status-error); }
.loading-note { font-size: 1rem; letter-spacing: normal; text-transform: none; }
.ui-alert, .error, .notice { padding: var(--space-4); border: 1px solid var(--status-info); border-radius: var(--radius-control); background: var(--status-info-surface); color: var(--status-info); font: 400 1rem/1.6 var(--font-ui); }
.ui-alert-error, .error { border-color: var(--status-error); background: var(--status-error-surface); color: var(--status-error); }
.ui-alert-success, .notice.ok { border-color: var(--status-success); background: var(--status-success-surface); color: var(--status-success); }
.on-oxblood {
  background: var(--action-primary);
  color: var(--on-primary);
  --focus: var(--focus-inverse);
}
.on-oxblood :is(h1, h2, h3, h4, p, a:not(.button), svg, .type-meta, .eyebrow) { color: inherit; }
.on-oxblood :focus-visible { box-shadow: none; }
.on-oxblood .button { border-color: var(--on-primary); }
.on-oxblood .button.ghost { background: var(--background); color: var(--action-primary); }
.on-oxblood .button.ghost:hover { background: var(--surface-tinted); color: var(--action-hover); }

/* Representative production surfaces: marketing, legal, and contributions. */
.landing { padding-top: 0; }
.landing .hero { padding-top: var(--space-12); padding-bottom: var(--space-16); }
.landing .hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-12); align-items: center; }
.landing .hero .kicker, .eyebrow, .not-found .kicker { font-size: 0.875rem; font-weight: 600; text-transform: none; letter-spacing: normal; }
.landing .hero .kicker { display: flex; align-items: center; gap: .65rem; font-weight: 500; }
.landing .hero .kicker::before { content: ''; width: 1.5rem; height: 2px; background: var(--surface-accent); }
.landing .hero h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); letter-spacing: -0.02em; line-height: 1.08; margin-bottom: var(--space-6); }
.landing .hero-title-line { display: inline; white-space: normal; }
.landing .hero-sub { font-size: 1.125rem; font-style: normal; line-height: 1.6; max-width: 42ch; }
.landing .hero-cta { gap: var(--space-4); }
.landing .landing-paper { max-width: none; }
.landing .landing-paper::before { display: none; }
.landing .landing-paper-media { height: auto; aspect-ratio: 1.1; padding: 0; border: 0; box-shadow: none; }
.landing .landing-paper-media img { transform: none; object-fit: cover; }
.landing .landing-paper figcaption { font-size: 1rem; font-weight: 500; text-transform: none; text-align: left; letter-spacing: normal; margin-top: 0; padding: var(--space-4) var(--space-6); background: var(--surface-accent); color: var(--text-primary); }
.landing .how { margin-inline: calc(-1 * var(--space-6)); padding: var(--space-12) var(--space-6); border: 0; }
.landing .how ol { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-8); }
.landing .how li { padding: var(--space-6) 0 0; border-top: 1px solid currentColor; }
.landing .how li::before { position: static; display: grid; place-items: center; background: var(--surface-accent); color: var(--text-primary); border: 0; border-radius: var(--radius-control); width: 2.75rem; height: 2.75rem; font-family: var(--font-ui); font-size: 1rem; font-weight: 600; margin-bottom: var(--space-6); }
.landing .how li::after { display: none; }
.landing .how li strong { font-weight: 516; font-variation-settings: 'SOFT' 35, 'WONK' 1; font-size: 1.5rem; line-height: 1.18; margin-bottom: var(--space-3); }
.landing .how li span { color: inherit; font-size: 1.125rem; }
.landing .pricing { padding-block: var(--space-16); }
.landing .plans { max-width: none; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-8); }
.landing .plan, .landing .plan.featured { border: 0; border-top: 1px solid var(--border-control); background: transparent; text-align: left; padding: var(--space-8) 0 0; box-shadow: none; }
.landing .plan.featured { border-color: var(--action-primary); }
.landing .plan h3 { font-size: 1.75rem; }
.landing .plan .price { font-weight: 516; font-size: 2.75rem; font-variation-settings: 'SOFT' 35, 'WONK' 1; }
.landing .plan p { font-size: 1rem; max-width: 48ch; }
.landing .pricing .fine { font-size: 0.875rem; text-align: left; max-width: var(--reading-width); margin-top: var(--space-8); }
.kin-cycle::after { mask: none; -webkit-mask: none; height: 0.05em; bottom: 0.08em; background: var(--surface-accent); }
.kin-word { flex: 0 0 1.24em; }
.contribute { max-width: 44rem; }
.contribute-mast { border-bottom: 1px solid var(--border-subtle); padding-block: var(--space-6); }
.contribute-mast h1 { font-weight: 516; font-size: clamp(2rem, 5vw, 2.75rem); }
.contribute-eyebrow, .contribute-hint, .contribute-field small { font-size: 0.875rem; text-transform: none; letter-spacing: normal; }
.contribute-lede { font-size: 1.125rem; }
.contribute-panel { padding: var(--space-6); border-top: var(--space-1) solid var(--surface-accent); border-radius: var(--radius-surface); background: var(--surface); box-shadow: none; gap: var(--space-6); }
.edition-card { border-top: var(--space-1) solid var(--surface-accent); }
.contribute-success { color: var(--status-success); background: var(--status-success-surface); font-size: 1rem; }
.contribute-thumbs button { min-width: 44px; min-height: 44px; }

@media (max-width: 959px) {
  .site-header { flex-wrap: wrap; }
  .site-header .nav-toggle { display: inline-flex; margin-left: auto; }
  .site-header nav { display: none; width: 100%; align-items: stretch; gap: var(--space-3); }
  .site-header nav.is-open { display: flex; flex-direction: column; }
  .site-header nav a, .site-header nav .link { justify-content: flex-start; }
  .site-header nav .nav-item { flex-direction: row; gap: var(--space-2); text-align: left; }
  .site-header-frontpage nav.is-open { border-top: 1px solid var(--border-subtle); padding-block: var(--space-4) var(--space-2); }
  .landing .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .landing .hero h1 { max-width: 17ch; }
  .landing .landing-paper-media { aspect-ratio: 1.5; }
}
@media (max-width: 639px) {
  main { padding-inline: var(--space-4); }
  .site-header { padding: var(--space-4); gap: var(--space-2); }
  .site-header-frontpage { padding-block: var(--space-3); }
  .site-header-frontpage::after { left: var(--space-4); right: var(--space-4); }
  .site-header .nav-toggle { padding: 10px; }
  .landing .hero { padding-top: var(--space-6); padding-bottom: var(--space-8); }
  .landing .how { margin-inline: calc(-1 * var(--space-4)); padding-inline: var(--space-4); }
  .landing .how ol, .landing .plans { grid-template-columns: minmax(0, 1fr); }
  .contribute-panel { padding: var(--space-4); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* Layout for public HTML documents which intentionally work without React/auth. */
.static-document * { box-sizing: border-box; }
.static-document { margin: 0; }
.static-document .page { width: min(50rem, 100%); margin: auto; padding: var(--space-12) var(--space-4) var(--space-16); }
.static-document .brand-wordmark { border-bottom: 1px solid var(--border-subtle); padding-bottom: var(--space-4); }
.static-document .eyebrow { margin-top: var(--space-8); color: var(--action-primary); }
.static-document h1 { font-size: clamp(2.5rem, 6vw, 4rem); letter-spacing: -0.02em; line-height: 1.08; margin-block: var(--space-2) var(--space-6); }
.static-document h2 { font-size: clamp(1.375rem, 3vw, 1.75rem); margin-block: var(--space-8) var(--space-2); }
.static-document p { font-size: 1.125rem; color: var(--text-primary); }
.static-document :is(.updated, .operator, .note, .footer) { font-size: 0.875rem; color: var(--text-secondary); }
.static-document :is(.operator, .footer) { margin-top: var(--space-8); border-top: 1px solid var(--border-subtle); padding-top: var(--space-4); }
.static-document .evidence { margin-block: var(--space-8); padding: var(--space-6); border: 1px solid var(--border-control); background: var(--surface); border-radius: var(--radius-surface); }
.static-document .stage { color: var(--action-primary); font-weight: 600; }
.static-document .safe { display: block; font: 516 1.5rem/1.18 var(--font-editorial); font-variation-settings: 'SOFT' 35, 'WONK' 1; margin-top: var(--space-2); }
.static-document .form { border-top: 1px solid var(--border-subtle); margin-top: var(--space-6); padding-top: var(--space-4); }
.static-document .field { display: grid; gap: var(--space-2); }
.static-document .consent { display: flex; align-items: flex-start; gap: var(--space-3); min-height: 44px; margin-top: var(--space-4); font-size: 1rem; }
.static-document .consent input { margin-top: var(--space-1); }
.static-document .button { margin-top: var(--space-4); }
.static-document .sample { padding: var(--space-4); border: 1px solid var(--border-subtle); background: var(--surface); overflow-wrap: anywhere; }