/* =============================================================================
   KDU Developer Community — Components
   Header, hero, plates, cards, bands, buttons, form, footer.
   Depends on variables.css and base.css.
   ========================================================================== */

:root {
  /* Line icons, drawn as CSS masks so they always inherit the surrounding
     text colour. Greyscale by construction — there is no fill to get wrong. */
  --icon-chevron: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2.4' stroke-linecap='square'%3E%3Cpath d='M9 5l7 7-7 7'/%3E%3C/svg%3E");
  --icon-arrow: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='square'%3E%3Cpath d='M4 12h15M13 6l6 6-6 6'/%3E%3C/svg%3E");
}

/* =============================================================================
   HEADER
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: var(--color-bg);
  border-bottom: var(--rule);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-h);
}

/* --- Brand ---------------------------------------------------------------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-ink);
}

.brand__mark {
  width: clamp(3.25rem, 7vw, 4.25rem);
  flex: none;
}

.brand__text {
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  font-size: var(--fs-micro);
  font-weight: var(--weight-medium);
  letter-spacing: 0.1em;
  line-height: 1.35;
  text-transform: uppercase;
}

.brand__text span:last-child { color: var(--color-text-muted); }

.brand:hover .brand__text span:last-child { color: var(--color-ink); }

/* --- Navigation ----------------------------------------------------------- */
.nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2.4vw, 2.25rem);
}

.nav__link {
  display: inline-block;
  font-family: var(--font);
  font-size: var(--fs-caption);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-text-muted);
  padding-block: var(--space-2);
  border-bottom: 1px solid transparent;
}

.nav__link:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-border-strong);
}

.nav__link[aria-current="page"] {
  color: var(--color-ink);
  border-bottom-color: var(--color-ink);
}

.nav__link--cta {
  border: 1px solid var(--color-ink);
  color: var(--color-ink);
  padding: var(--space-2) var(--space-4);
}

.nav__link--cta:hover {
  background: var(--color-ink);
  color: var(--color-on-dark);
  border-bottom-color: var(--color-ink);
}

.nav__link--cta[aria-current="page"] {
  background: var(--color-ink);
  color: var(--color-on-dark);
}

/* --- Mobile menu ---------------------------------------------------------- */
.nav-toggle {
  display: none;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-ink);
  padding: var(--space-2);
  margin-right: calc(var(--space-2) * -1);
}

.nav-toggle__bars {
  display: block;
  width: 22px;
  height: 12px;
  position: relative;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), top var(--dur) var(--ease);
}

.nav-toggle__bars::before { top: 1px; }
.nav-toggle__bars::after { top: 9px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 5px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 5px; transform: rotate(-45deg); }

@media (max-width: 56rem) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: fixed;
    inset: var(--header-h) 0 0 0;
    z-index: var(--z-menu);
    background: var(--color-bg);
    border-top: var(--rule);
    padding: var(--space-6) var(--gutter) var(--space-9);
    overflow-y: auto;
  }

  .site-nav[data-open="false"] { display: none; }

  .nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav__list li { border-bottom: var(--rule); }

  .nav__link,
  .nav__link--cta {
    display: block;
    width: 100%;
    font-family: var(--font);
    font-size: clamp(1.9rem, 8.5vw, 2.75rem);
    font-weight: var(--weight-display);
    letter-spacing: var(--tracking-display);
    text-transform: none;
    color: var(--color-ink);
    border: 0;
    padding: var(--space-4) 0;
  }

  .nav__link--cta,
  .nav__link--cta:hover,
  .nav__link--cta[aria-current="page"] {
    background: none;
    color: var(--color-ink);
  }

  .nav__link[aria-current="page"] { border: 0; font-style: italic; }

  .nav__link[aria-current="page"]::after {
    content: "";
    display: inline-block;
    width: 0.42em;
    height: 0.42em;
    margin-left: 0.4em;
    vertical-align: 0.05em;
    background: currentColor;
    -webkit-mask: var(--icon-chevron) center / contain no-repeat;
            mask: var(--icon-chevron) center / contain no-repeat;
  }

  body.menu-open { overflow: hidden; }
}

/* =============================================================================
   HERO — the signature composition: stacked display type and a hand
   rising out of a solid ink ground band.
   ========================================================================== */
.hero {
  position: relative;
  padding-top: clamp(var(--space-7), 7vw, var(--space-10));
  overflow: hidden;
}

.hero__inner { position: relative; z-index: 2; }

.hero__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.hero__eyebrow::after {
  content: "";
  flex: 1 1 3rem;
  max-width: 9rem;
  height: 1px;
  background: var(--color-border-strong);
}

.hero__title {
  font-size: var(--fs-hero);
  line-height: var(--lh-hero);
  letter-spacing: var(--tracking-hero);
  font-weight: var(--weight-display-bold);
  margin-top: var(--space-5);
  max-width: 15ch;
  text-wrap: balance;
}

.hero__lead {
  font-size: var(--fs-lead);
  line-height: 1.5;
  color: var(--color-text-muted);
  max-width: 42ch;
  margin-top: var(--space-6);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-7);
}

.hero__hand {
  width: auto;
  height: clamp(11rem, 34vw, 15rem);
  /* The negative bottom margin lets the ink band (z-index 2) crop the wrist,
     so the hand reads as rising out of the ground rather than standing on it.
     The right margin lines it up with the text column above. */
  margin: var(--space-7) var(--gutter) -0.5rem auto;
  position: relative;
  z-index: 1;
}

.hero__ground {
  position: relative;
  z-index: 2;
  background: var(--color-ink);
  min-height: var(--ground-h);
}

@media (min-width: 62rem) {
  .hero__inner {
    min-height: clamp(23rem, 44vw, 34rem);
    padding-bottom: var(--space-9);
  }

  .hero__title { font-size: var(--fs-hero-wide); }

  .hero__hand {
    position: absolute;
    right: clamp(2rem, 8vw, 8rem);
    bottom: calc(var(--ground-h) - 0.4rem);
    height: clamp(13rem, 24vw, 22rem);
    margin: 0;
    z-index: 1;
  }
}

/* =============================================================================
   PAGE HEAD — the quieter opening used on inner pages
   ========================================================================== */
.page-head {
  padding-top: clamp(var(--space-7), 7vw, var(--space-10));
  padding-bottom: clamp(var(--space-7), 6vw, var(--space-9));
  border-bottom: var(--rule);
}

.page-head__title {
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  font-weight: var(--weight-display-bold);
  margin-top: var(--space-5);
  max-width: 16ch;
}

.page-head__title .is-em { font-style: italic; font-weight: var(--weight-display); }

.page-head__lead {
  font-size: var(--fs-lead);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 52ch;
  margin-top: var(--space-5);
}

/* =============================================================================
   PLATE HEADINGS — the archive-plate device that opens every section
   ========================================================================== */



.plate__title {
  font-size: var(--fs-h2);
  font-weight: var(--weight-display-bold);
  max-width: 22ch;
}

.plate__title--wide { max-width: 30ch; }

.plate__note { margin-top: var(--space-5); color: var(--color-text-muted); max-width: 34ch; }

/* =============================================================================
   BUTTONS AND ACTION LINKS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-family: var(--font);
  font-size: var(--fs-caption);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  text-decoration: none;
  padding: var(--space-4) var(--space-6);
  border: 1px solid var(--color-ink);
  background: var(--color-ink);
  color: var(--color-on-dark);
  border-radius: var(--radius);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.btn::after {
  content: "";
  width: 0.85em;
  height: 0.85em;
  flex: none;
  background: currentColor;
  -webkit-mask: var(--icon-arrow) center / contain no-repeat;
          mask: var(--icon-arrow) center / contain no-repeat;
  transition: transform var(--dur) var(--ease);
}

.btn:hover { background: transparent; color: var(--color-ink); }
.btn:hover::after { transform: translateX(3px); }

.btn--ghost { background: transparent; color: var(--color-ink); }
.btn--ghost:hover { background: var(--color-ink); color: var(--color-on-dark); }

.btn--on-dark {
  background: var(--color-on-dark);
  color: var(--color-ink);
  border-color: var(--color-on-dark);
}

.btn--on-dark:hover { background: transparent; color: var(--color-on-dark); }

.btn--plain::after { display: none; }

.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: progress;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font);
  font-size: var(--fs-caption);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-border-strong);
  padding-bottom: 2px;
}

.link-arrow::after {
  content: "";
  width: 0.8em;
  height: 0.8em;
  background: currentColor;
  -webkit-mask: var(--icon-arrow) center / contain no-repeat;
          mask: var(--icon-arrow) center / contain no-repeat;
  transition: transform var(--dur) var(--ease);
}

.link-arrow:hover { border-bottom-color: var(--color-ink); }
.link-arrow:hover::after { transform: translateX(3px); }

.link-arrow--on-dark { color: var(--color-on-dark); border-bottom-color: var(--color-border-on-dark); }
.link-arrow--on-dark:hover { color: var(--color-on-dark); border-bottom-color: var(--color-on-dark); }

/* =============================================================================
   CARDS
   ========================================================================== */
.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 2.6vw, 2.25rem);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.card:hover { border-color: var(--color-border-strong); transform: translateY(-2px); }

.card__icon {
  width: 30px;
  height: 30px;
  stroke: var(--color-ink);
  stroke-width: 1.25;
  fill: none;
}

.card__title { font-size: var(--fs-h3); font-weight: var(--weight-display-bold); }

.card__text { color: var(--color-text-muted); font-size: var(--fs-small); }


/* =============================================================================
   DEFINITION LIST — a hairline-separated term/description table
   ========================================================================== */
.deflist { border-top: 1px solid var(--color-border-strong); }

.deflist > div {
  display: grid;
  gap: var(--space-2);
  padding-block: var(--space-5);
  border-bottom: var(--rule);
}

@media (min-width: 46rem) {
  .deflist > div {
    grid-template-columns: minmax(9rem, 14fr) minmax(0, 40fr);
    gap: clamp(1.25rem, 3vw, 2.5rem);
    align-items: baseline;
  }
}

.deflist dt {
  font-family: var(--font);
  font-size: var(--fs-caption);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-ink);
}

.deflist dd { font-size: var(--fs-small); color: var(--color-text-muted); line-height: 1.6; }

/* =============================================================================
   INK BAND — the black ground that closes every page
   ========================================================================== */
.band {
  background: var(--color-ink);
  color: var(--color-on-dark);
  padding-block: clamp(3.5rem, 8vw, 6.5rem);
}

.band h2 { color: var(--color-on-dark); }

.band__inner {
  display: grid;
  gap: var(--space-7);
  align-items: end;
}

@media (min-width: 56rem) {
  .band__inner { grid-template-columns: minmax(0, 1.5fr) auto; }
}

.band__title {
  font-size: var(--fs-display);
  line-height: var(--lh-display);
  font-weight: var(--weight-display-bold);
  max-width: 15ch;
}

.band__title .is-em { font-style: italic; font-weight: var(--weight-display); }

.band__text {
  color: var(--color-on-dark-muted);
  max-width: 46ch;
  margin-top: var(--space-5);
}

.band__mark { width: 5.5rem; margin-bottom: var(--space-5); }

/* =============================================================================
   ENTRIES — the activity plates
   ========================================================================== */
.entries { border-top: 1px solid var(--color-border-strong); }

.entry {
  display: grid;
  gap: var(--space-4);
  padding-block: clamp(2rem, 4vw, 3.25rem);
  border-bottom: var(--rule);
}

@media (min-width: 48rem) {
  .entry {
    grid-template-columns: minmax(7rem, 12fr) minmax(0, 50fr);
    gap: clamp(1.5rem, 4vw, 3.5rem);
  }
}

.entry__aside {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  flex-wrap: wrap;
}

@media (min-width: 48rem) {
  .entry__aside { flex-direction: column; align-items: flex-start; gap: var(--space-2); }
}


.entry__title { margin-bottom: var(--space-3); }

.entry__body > p { color: var(--color-text-muted); max-width: 62ch; }

.entry__body > p + p { margin-top: var(--space-4); }

/* Cadence tag: weekly / monthly / ongoing */
.tag {
  display: inline-block;
  font-family: var(--font);
  font-size: var(--fs-micro);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 0.25rem 0.5rem;
  white-space: nowrap;
}

.tag--ink { color: var(--color-ink); border-color: var(--color-border-strong); }

.tag-list { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* --- Chevron-marked lists ------------------------------------------------- */
.ticks { display: grid; gap: var(--space-2); margin-top: var(--space-5); }

.ticks--cols { grid-template-columns: repeat(auto-fit, minmax(min(15rem, 100%), 1fr)); gap: var(--space-2) var(--space-5); }

.ticks li {
  display: flex;
  gap: var(--space-3);
  font-size: var(--fs-small);
  color: var(--color-text);
  line-height: 1.5;
}

.ticks li::before {
  content: "";
  flex: none;
  width: 0.62em;
  height: 0.62em;
  margin-top: 0.5em;
  background: var(--color-border-strong);
  -webkit-mask: var(--icon-chevron) center / contain no-repeat;
          mask: var(--icon-chevron) center / contain no-repeat;
}

.ticks--on-dark li { color: var(--color-on-dark-muted); }
.ticks--on-dark li::before { background: var(--color-on-dark-faint); }

/* =============================================================================
   STEPS — the joining process
   ========================================================================== */
.steps { display: grid; gap: 0; }

@media (min-width: 52rem) {
  .steps { grid-template-columns: repeat(4, 1fr); }
}

.step {
  padding: var(--space-5) 0 var(--space-5) var(--space-5);
  border-top: 1px solid var(--color-border-strong);
  position: relative;
}

@media (min-width: 52rem) {
  .step { padding: var(--space-6) var(--space-5) var(--space-6) 0; }
  .step + .step { padding-left: var(--space-5); border-left: var(--rule); }
}

.step h3 { font-size: var(--fs-h4); font-family: var(--font); font-weight: var(--weight-semibold); letter-spacing: 0; }

.step p { font-size: var(--fs-small); color: var(--color-text-muted); margin-top: var(--space-2); }

/* =============================================================================
   PEOPLE — the founding team
   ========================================================================== */
.people { display: grid; gap: 0; border-top: 1px solid var(--color-border-strong); }

.person {
  display: grid;
  gap: var(--space-3);
  padding-block: clamp(1.75rem, 3.5vw, 2.5rem);
  border-bottom: var(--rule);
}

@media (min-width: 48rem) {
  .person {
    grid-template-columns: minmax(10rem, 18fr) minmax(0, 40fr);
    gap: clamp(1.5rem, 4vw, 3rem);
    align-items: start;
  }
}

.person__name {
  font-family: var(--font);
  font-size: var(--fs-h3);
  font-weight: var(--weight-display-bold);
  letter-spacing: var(--tracking-display);
}

.person__role {
  display: block;
  font-family: var(--font);
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.person__body .ticks { margin-top: 0; }

/* =============================================================================
   STRUCTURE DIAGRAM
   ========================================================================== */
.diagram { display: none; }

.diagram text {
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  fill: var(--color-text-muted);
}

.diagram .diagram__lead { fill: var(--color-ink); font-weight: 500; }
.diagram rect { fill: none; stroke: var(--color-border-strong); stroke-width: 1; }
.diagram rect.is-ink { fill: var(--color-ink); stroke: var(--color-ink); }
.diagram text.on-ink { fill: var(--color-on-dark); }
.diagram line, .diagram path { stroke: var(--color-border-strong); stroke-width: 1; fill: none; }

@media (min-width: 52rem) {
  .diagram { display: block; width: 100%; height: auto; }
  .diagram-fallback { display: none; }
}

/* =============================================================================
   QUOTE / PULL STATEMENT
   ========================================================================== */
.pull {
  font-family: var(--font);
  font-size: var(--fs-h2);
  font-weight: var(--weight-display);
  line-height: 1.2;
  letter-spacing: var(--tracking-display);
  color: var(--color-ink);
  max-width: 22ch;
}

.pull--wide { max-width: 30ch; }

.pull cite {
  display: block;
  font-family: var(--font);
  font-size: var(--fs-caption);
  font-style: normal;
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: var(--space-5);
}

/* =============================================================================
   NOTE BLOCK — a bordered aside used for the idea-review criteria
   ========================================================================== */
.note {
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  padding: clamp(1.5rem, 3vw, 2.5rem);
}

.note__title { font-size: var(--fs-h4); font-family: var(--font); font-weight: var(--weight-semibold); letter-spacing: 0; }

.note--on-dark { background: transparent; border-color: var(--color-border-on-dark); }

/* =============================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--color-ink);
  color: var(--color-on-dark-muted);
  border-top: 1px solid var(--color-border-on-dark);
  padding-block: clamp(3rem, 6vw, 4.5rem) var(--space-6);
}

.site-footer a { color: var(--color-on-dark); text-decoration: none; }
.site-footer a:hover { color: var(--color-on-dark); text-decoration: underline; }

.footer__top {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 52rem) {
  .footer__top { grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: var(--space-6); }
}

.footer__brand .brand__mark { width: 5rem; }
.footer__brand .brand { color: var(--color-on-dark); }
.footer__brand .brand__text span:last-child { color: var(--color-on-dark-muted); }
.footer__brand .brand:hover .brand__text span:last-child { color: var(--color-on-dark); }

.footer__blurb {
  font-size: var(--fs-small);
  color: var(--color-on-dark-muted);
  max-width: 34ch;
  margin-top: var(--space-5);
}

.footer__heading {
  font-family: var(--font);
  font-size: var(--fs-micro);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-on-dark-faint);
  margin-bottom: var(--space-4);
}

.footer__list { display: grid; gap: var(--space-3); font-size: var(--fs-small); }

.footer__list li { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }

.footer__soon {
  font-family: var(--font);
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-on-dark-faint);
  border: 1px solid var(--color-border-on-dark);
  padding: 0.1rem 0.4rem;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: clamp(2.5rem, 5vw, 4rem);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border-on-dark);
  font-family: var(--font);
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--color-on-dark-faint);
}

/* =============================================================================
   ROSTER — an index list, used for the activity summary on the home page
   ========================================================================== */
.roster { border-top: 1px solid var(--color-border-strong); }

.roster li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3) var(--space-5);
  padding-block: var(--space-4);
  border-bottom: var(--rule);
}

.roster__name {
  font-family: var(--font);
  font-size: var(--fs-h3);
  font-weight: var(--weight-display-bold);
  letter-spacing: var(--tracking-display);
  color: var(--color-ink);
}

.roster__meta {
  font-family: var(--font);
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

/* =============================================================================
   FACTS — a hairline strip of four short statements
   ========================================================================== */
.facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(11rem, 100%), 1fr));
  border-top: 1px solid var(--color-border-strong);
  border-bottom: 1px solid var(--color-border-strong);
}

.facts > div {
  padding: var(--space-5) var(--space-5) var(--space-5) 0;
  border-bottom: var(--rule);
}

.facts > div:last-child { border-bottom: 0; }

@media (min-width: 46rem) {
  .facts > div { border-bottom: 0; border-left: var(--rule); padding-left: var(--space-5); }
  .facts > div:first-child { border-left: 0; padding-left: 0; }
}

.facts dt {
  font-family: var(--font);
  font-size: var(--fs-micro);
  letter-spacing: var(--tracking-caption);
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-2);
}

.facts dd {
  font-family: var(--font);
  /* A shade smaller than a normal h3 so the longest value still sits on one
     line and the hairline rhythm across the strip stays even. */
  font-size: clamp(1.05rem, 1.5vw, 1.3rem);
  font-weight: var(--weight-display-bold);
  letter-spacing: var(--tracking-display);
  color: var(--color-ink);
  line-height: 1.15;
}

/* =============================================================================
   DOCUMENT PAGES — rules, terms, privacy
   ========================================================================== */
.doc { max-width: 40rem; }

.doc > * + section { margin-top: var(--space-8); }

/* Headings used directly in a document, without a wrapping <section>. */
.doc > * + h2 { margin-top: var(--space-8); }

.doc h2 {
  font-size: var(--fs-h3);
  font-weight: var(--weight-display-bold);
  margin-bottom: var(--space-4);
}

.doc p + p,
.doc ul + p,
.doc p + ul,
.doc h2 + p { margin-top: var(--space-4); }

.doc p { color: var(--color-text); }

.doc__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: var(--rule);
  margin-bottom: var(--space-8);
}

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

.doc__toc a {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.doc__toc a:hover { color: var(--color-ink); border-bottom-color: var(--color-border-strong); }

/* Anchored headings should not hide under the sticky header. */
.doc section { scroll-margin-top: calc(var(--header-h) + var(--space-5)); }

/* --- Policy links in the footer bottom bar -------------------------------- */
.footer__legal { display: flex; flex-wrap: wrap; gap: var(--space-4); }

.footer__legal a { color: var(--color-on-dark-muted); text-decoration: none; }
.footer__legal a:hover { color: var(--color-on-dark); text-decoration: underline; }

/* =============================================================================
   404
   ========================================================================== */
.error-page {
  display: grid;
  place-items: center;
  text-align: center;
  padding-block: clamp(4rem, 14vw, 9rem);
}

.error-page__code {
  font-family: var(--font);
  font-size: clamp(5rem, 22vw, 12rem);
  font-weight: var(--weight-display-bold);
  line-height: 0.85;
  letter-spacing: var(--tracking-hero);
  color: var(--color-ink);
}

.error-page__hand { height: clamp(9rem, 26vw, 14rem); width: auto; margin-inline: auto; }