/* ==========================================================================
   Assize Data — site styles
   Single stylesheet. No external resources. System font stack only.
   All colours are defined as custom properties in the token blocks below.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */

:root {
  /* Colour — light (default) */
  --c-paper:        #fbfaf8;
  --c-surface:      #ffffff;
  --c-surface-sunk: #f4f2ed;
  --c-surface-deep: #15191e;
  --c-ink:          #14181d;
  --c-ink-muted:    #3b444e;
  --c-ink-soft:     #5c6672;
  --c-ink-invert:   #f7f6f3;
  --c-ink-invert-soft: #c3ccd3;
  --c-accent:       #14504f;
  --c-accent-hover: #0c3a39;
  --c-accent-soft:  #e4efec;
  --c-on-accent:    #f7f6f3;
  --c-line:         #e3ded5;
  --c-line-strong:  #cfc8bc;
  --c-focus:        #14504f;
  --c-shadow-soft:  rgba(20, 24, 29, 0.05);
  --c-selection-bg: #14504f;
  --c-selection-fg: #ffffff;

  /* Typography */
  --font-sans:
    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
    Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-mono:
    ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas,
    "Liberation Mono", monospace;

  --fs-xs:      0.8125rem;
  --fs-sm:      0.9375rem;
  --fs-base:    clamp(1rem, 0.97rem + 0.16vw, 1.0625rem);
  --fs-lead:    clamp(1.125rem, 1.04rem + 0.42vw, 1.375rem);
  --fs-h4:      1.0625rem;
  --fs-h3:      clamp(1.0625rem, 1.02rem + 0.22vw, 1.1875rem);
  --fs-h2:      clamp(1.6rem, 1.28rem + 1.5vw, 2.4rem);
  --fs-h1:      clamp(2.05rem, 1.42rem + 2.95vw, 3.75rem);
  --fs-numeral: clamp(1.75rem, 1.4rem + 1.6vw, 2.5rem);

  /* Spacing and measure */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs:  0.75rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.25rem;
  --space-xl:  3.25rem;
  --space-2xl: clamp(3.5rem, 2.4rem + 4.6vw, 6rem);

  --measure:        64ch;
  --measure-narrow: 52ch;
  --container:      70rem;
  --gutter:         clamp(1.25rem, 0.85rem + 2vw, 2.75rem);

  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 10px;

  --shadow-sm: 0 1px 2px var(--c-shadow-soft);

  --border-hair: 1px solid var(--c-line);
}

@media (prefers-color-scheme: dark) {
  :root {
    --c-paper:        #0d1013;
    --c-surface:      #14191e;
    --c-surface-sunk: #171c22;
    --c-surface-deep: #10151a;
    --c-ink:          #eef1f4;
    --c-ink-muted:    #c3ccd3;
    --c-ink-soft:     #94a0ac;
    --c-ink-invert:   #eef1f4;
    --c-ink-invert-soft: #94a0ac;
    --c-accent:       #7fd1c6;
    --c-accent-hover: #a6e2d9;
    --c-accent-soft:  #16292c;
    /* The accent is light in dark mode, so anything filled with it takes dark text. */
    --c-on-accent:    #0d1013;
    --c-line:         #242c34;
    --c-line-strong:  #34404a;
    --c-focus:        #7fd1c6;
    --c-shadow-soft:  rgba(0, 0, 0, 0.4);
    --c-selection-bg: #7fd1c6;
    --c-selection-fg: #0d1013;
  }
}

/* --------------------------------------------------------------------------
   2. Reset and base
   -------------------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background-color: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.65;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background-color: var(--c-selection-bg);
  color: var(--c-selection-fg);
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.14;
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); letter-spacing: -0.035em; line-height: 1.04; }
h2 { font-size: var(--fs-h2); letter-spacing: -0.03em; line-height: 1.08; }
h3 { font-size: var(--fs-h3); letter-spacing: -0.015em; line-height: 1.3; }
h4 { font-size: var(--fs-h4); letter-spacing: -0.01em; line-height: 1.4; }

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

p + p { margin-top: var(--space-sm); }

ul, ol, dl, dd { margin: 0; padding: 0; }
li { list-style: none; }

strong, b { font-weight: 600; }

a {
  color: var(--c-accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
  transition: color 120ms ease-out;
}

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

:focus-visible {
  outline: 3px solid var(--c-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

svg { display: block; }

hr {
  height: 0;
  margin: 0;
  border: 0;
  border-top: var(--border-hair);
}

/* --------------------------------------------------------------------------
   3. Layout primitives
   -------------------------------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.measure        { max-width: var(--measure); }
.measure-narrow { max-width: var(--measure-narrow); }

.section {
  padding-block: var(--space-2xl);
  border-top: var(--border-hair);
}

.section--sunk { background-color: var(--c-surface-sunk); }

.section__head {
  display: grid;
  gap: var(--space-sm);
  margin-bottom: var(--space-xl);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-2xs);
  margin: 0;
  color: var(--c-ink-soft);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow::after {
  content: "";
  flex: 0 0 auto;
  width: clamp(1.5rem, 4vw, 3rem);
  height: 1px;
  background-color: var(--c-line-strong);
}

.lead {
  max-width: var(--measure);
  color: var(--c-ink-muted);
  font-size: var(--fs-lead);
  line-height: 1.45;
  letter-spacing: -0.011em;
}

.prose {
  max-width: var(--measure);
  color: var(--c-ink-muted);
}

.note {
  color: var(--c-ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: var(--space-sm);
  z-index: 100;
  padding: var(--space-2xs) var(--space-sm);
  background-color: var(--c-surface);
  border: 1px solid var(--c-accent);
  border-radius: var(--radius-sm);
  color: var(--c-accent);
  font-size: var(--fs-sm);
  font-weight: 500;
  text-decoration: none;
  transform: translateY(-200%);
}

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

/* --------------------------------------------------------------------------
   4. Header and navigation
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background-color: var(--c-paper);
  border-bottom: var(--border-hair);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm) var(--space-md);
  min-height: 4.25rem;
  padding-block: var(--space-xs);
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--c-ink);
  font-size: 1.0625rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  text-decoration: none;
  white-space: nowrap;
}

.wordmark__mark {
  flex: 0 0 auto;
  width: 1.375rem;
  height: 1.375rem;
  color: var(--c-accent);
}

.wordmark__name .wordmark__second {
  color: var(--c-ink-soft);
  font-weight: 500;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-sm) var(--space-md);
}

.nav__link {
  color: var(--c-ink-muted);
  font-size: var(--fs-sm);
  text-decoration: none;
  white-space: nowrap;
}

.nav__link:hover {
  color: var(--c-ink);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

/* --------------------------------------------------------------------------
   5. Buttons
   -------------------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xs);
  padding: 0.7rem 1.35rem;
  border: 1px solid var(--c-accent);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 500;
  letter-spacing: 0.005em;
  text-decoration: none;
  transition: background-color 140ms ease-out, border-color 140ms ease-out,
    color 140ms ease-out;
}

.btn--primary {
  background-color: var(--c-accent);
  color: var(--c-on-accent);
}

.btn--primary:hover {
  background-color: var(--c-accent-hover);
  border-color: var(--c-accent-hover);
  color: var(--c-on-accent);
}

.btn--quiet {
  background-color: transparent;
  border-color: var(--c-line-strong);
  color: var(--c-ink);
}

.btn--quiet:hover {
  border-color: var(--c-ink-soft);
  color: var(--c-ink);
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

/* --------------------------------------------------------------------------
   6. Hero
   -------------------------------------------------------------------------- */

.hero {
  padding-block: clamp(3.25rem, 2rem + 6vw, 7rem) var(--space-2xl);
}

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

.hero__title {
  max-width: 18ch;
}

.hero__title .hero__title-quiet {
  color: var(--c-ink-soft);
}

.hero__lead {
  max-width: 58ch;
}

.hero__actions {
  margin-top: var(--space-2xs);
}

.hero__meta {
  margin-top: var(--space-3xs);
  color: var(--c-ink-soft);
  font-size: var(--fs-xs);
}

.facts {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: var(--border-hair);
}

.facts__item {
  display: grid;
  gap: var(--space-3xs);
}

.facts__term {
  color: var(--c-ink);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
}

.facts__desc {
  color: var(--c-ink-soft);
  font-size: var(--fs-sm);
  line-height: 1.55;
}

@media (min-width: 46em) {
  .facts { grid-template-columns: repeat(3, 1fr); gap: var(--space-lg); }
}

/* --------------------------------------------------------------------------
   7. The gap
   -------------------------------------------------------------------------- */

.gap-grid {
  display: grid;
  gap: 1px;
  margin-top: var(--space-xl);
  background-color: var(--c-line);
  border: var(--border-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.gap-grid__item {
  display: grid;
  gap: var(--space-2xs);
  padding: var(--space-lg) var(--space-md);
  background-color: var(--c-surface);
}

.gap-grid__item p {
  color: var(--c-ink-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

@media (min-width: 46em) {
  .gap-grid { grid-template-columns: repeat(2, 1fr); }
  .gap-grid__item { padding: var(--space-lg); }
}

@media (min-width: 68em) {
  .gap-grid { grid-template-columns: repeat(4, 1fr); }
}

.consequence {
  margin-top: var(--space-lg);
  padding-left: var(--space-md);
  border-left: 2px solid var(--c-accent);
  color: var(--c-ink-muted);
  max-width: var(--measure);
}

/* --------------------------------------------------------------------------
   8. How it works
   -------------------------------------------------------------------------- */

.steps {
  display: grid;
  gap: var(--space-lg);
  counter-reset: step;
}

.steps__item {
  display: grid;
  gap: var(--space-2xs);
  padding-top: var(--space-md);
  border-top: 2px solid var(--c-line-strong);
  counter-increment: step;
}

.steps__item::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: var(--fs-numeral);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  line-height: 1;
}

.steps__item h3 { margin-top: var(--space-2xs); }

.steps__item p {
  color: var(--c-ink-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

@media (min-width: 44em) {
  .steps { grid-template-columns: repeat(2, 1fr); gap: var(--space-xl) var(--space-lg); }
}

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

.panel {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background-color: var(--c-surface);
  border: var(--border-hair);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.panel > h3 { margin-bottom: var(--space-xs); }

.panel__list {
  display: grid;
  gap: var(--space-2xs);
  margin-top: var(--space-xs);
}

.panel__list li {
  position: relative;
  padding-left: 1.5rem;
  color: var(--c-ink-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.8rem;
  height: 2px;
  background-color: var(--c-accent);
}

/* --------------------------------------------------------------------------
   9. What we will not do
   -------------------------------------------------------------------------- */

.section--commitments {
  background-color: var(--c-surface-deep);
  color: var(--c-ink-invert);
  border-top-color: var(--c-surface-deep);
}

.section--commitments .eyebrow { color: var(--c-ink-invert-soft); }
.section--commitments .eyebrow::after { background-color: var(--c-ink-invert-soft); }
.section--commitments h2 { color: var(--c-ink-invert); }
.section--commitments .lead,
.section--commitments .prose { color: var(--c-ink-invert-soft); }

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

.commitments__item {
  padding-top: var(--space-md);
  border-top: 1px solid var(--c-ink-soft);
  color: var(--c-ink-invert-soft);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.commitments__item b {
  display: block;
  margin-bottom: var(--space-3xs);
  color: var(--c-ink-invert);
  font-size: var(--fs-base);
  font-weight: 600;
  letter-spacing: -0.012em;
}

@media (min-width: 46em) {
  .commitments { grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
}

@media (min-width: 72em) {
  .commitments { grid-template-columns: repeat(3, 1fr); }
}

.pullquote {
  max-width: 30ch;
  margin: 0 0 var(--space-xl);
  color: var(--c-ink-invert);
  font-size: var(--fs-lead);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

/* --------------------------------------------------------------------------
   10. Compliance
   -------------------------------------------------------------------------- */

.compliance {
  display: grid;
  gap: 1px;
  background-color: var(--c-line);
  border: var(--border-hair);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.compliance__row {
  display: grid;
  gap: var(--space-3xs);
  padding: var(--space-md);
  background-color: var(--c-surface);
}

.compliance__term {
  color: var(--c-ink);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: -0.005em;
}

.compliance__desc {
  color: var(--c-ink-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

.compliance__desc code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  letter-spacing: 0.02em;
}

@media (min-width: 44em) {
  .compliance { grid-template-columns: repeat(2, 1fr); }
  .compliance__row {
    grid-template-columns: 11rem minmax(0, 1fr);
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
  }
}

@media (min-width: 72em) {
  .compliance__row { grid-template-columns: 12rem minmax(0, 1fr); }
}

/* --------------------------------------------------------------------------
   11. Contact
   -------------------------------------------------------------------------- */

.contact {
  display: grid;
  gap: var(--space-md);
  max-width: var(--measure);
}

.contact__address {
  font-style: normal;
}

.contact__email {
  display: inline-block;
  font-size: clamp(1.125rem, 0.95rem + 0.85vw, 1.6rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
}

.contact__checklist {
  display: grid;
  gap: var(--space-2xs);
  padding: var(--space-md) var(--space-lg);
  background-color: var(--c-surface);
  border: var(--border-hair);
  border-left: 2px solid var(--c-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.contact__checklist li {
  color: var(--c-ink-muted);
  font-size: var(--fs-sm);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */

.site-footer {
  padding-block: var(--space-xl);
  background-color: var(--c-surface-sunk);
  border-top: var(--border-hair);
}

.site-footer__inner {
  display: grid;
  gap: var(--space-lg);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs) var(--space-md);
}

.site-footer__links a {
  color: var(--c-ink-muted);
  font-size: var(--fs-sm);
  text-decoration: none;
}

.site-footer__links a:hover {
  color: var(--c-ink);
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.site-footer__legal {
  display: grid;
  gap: var(--space-2xs);
  color: var(--c-ink-soft);
  font-size: var(--fs-xs);
  line-height: 1.6;
}

@media (min-width: 52em) {
  .site-footer__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: var(--space-xl);
  }
  .site-footer__links { justify-content: flex-end; }
}

/* --------------------------------------------------------------------------
   13. Document pages (privacy, terms)
   -------------------------------------------------------------------------- */

.doc {
  padding-block: var(--space-xl) var(--space-2xl);
}

.doc__inner { max-width: var(--measure); }

.doc__banner {
  display: grid;
  gap: var(--space-3xs);
  margin-bottom: var(--space-lg);
  padding: var(--space-sm) var(--space-md);
  background-color: var(--c-accent-soft);
  border: 1px solid var(--c-accent);
  border-radius: var(--radius-md);
  color: var(--c-ink);
  font-size: var(--fs-sm);
  line-height: 1.55;
}

.doc__banner strong { color: var(--c-ink); }

.doc__meta {
  margin-top: var(--space-sm);
  color: var(--c-ink-soft);
  font-size: var(--fs-xs);
}

.doc h2 {
  margin-top: var(--space-xl);
  font-size: var(--fs-h3);
  letter-spacing: -0.015em;
}

.doc h2 + p { margin-top: var(--space-xs); }

.doc p,
.doc li {
  color: var(--c-ink-muted);
}

.doc__list {
  display: grid;
  gap: var(--space-2xs);
  margin-top: var(--space-xs);
}

.doc__list li {
  position: relative;
  padding-left: 1.5rem;
  line-height: 1.6;
}

.doc__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.8rem;
  height: 2px;
  background-color: var(--c-line-strong);
}

/* --------------------------------------------------------------------------
   14. Motion preferences
   -------------------------------------------------------------------------- */

@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;
  }

  .skip-link { transition: none; }
}

/* --------------------------------------------------------------------------
   15. Print
   -------------------------------------------------------------------------- */

@media print {
  .site-header,
  .skip-link { display: none; }

  body {
    background-color: var(--c-surface);
    font-size: 11pt;
  }

  .section { break-inside: avoid; border-top: var(--border-hair); }
  a { text-decoration: underline; }
}