/* Platform Notes — shared stylesheet */

:root {
  --paper: #FCFBF9;
  --paper-alt: #F3F1EC;
  --ink: #14161A;
  --ink-2: #54585E;
  --ink-3: #676B72;
  --rule: #E3E0D9;
  --rule-strong: #C9C5BC;
  --accent: #1D4E5F;
  --accent-tint: #E9EFF1;

  --display: "Bodoni Moda", Georgia, "Times New Roman", serif;
  --text: "Newsreader", Georgia, "Times New Roman", serif;

  --measure: 34rem;
  --gutter: clamp(1.25rem, 5vw, 3rem);
  --stack: clamp(2.75rem, 7vw, 5rem);
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: clamp(1.0625rem, 0.98rem + 0.35vw, 1.1875rem);
  line-height: 1.62;
  font-variant-numeric: oldstyle-nums;
  text-rendering: optimizeLegibility;
}

/* ---------- skip link ---------- */

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 0.75rem 1.25rem;
  z-index: 50;
  font-family: var(--text);
}

.skip:focus {
  left: 0.5rem;
  top: 0.5rem;
}

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

/* ---------- layout ---------- */

.wrap {
  width: 100%;
  max-width: 62rem;
  margin: 0 auto;
  padding-inline: var(--gutter);
}

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

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

.section + .section { border-top: 1px solid var(--rule); }

.band { background: var(--paper-alt); }

/* ---------- signature mark: long-tail distribution ---------- */

.mark {
  display: block;
  height: 1.5rem;
  width: 5.5rem;
  color: var(--accent);
}

.mark--lg {
  height: 6.5rem;
  width: 100%;
  max-width: 30rem;
}

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--rule);
  padding-block: 1.5rem;
}

.masthead__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: baseline;
  justify-content: space-between;
}

.wordmark {
  font-family: var(--display);
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.1;
}

.wordmark span { color: var(--accent); }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  font-size: 0.9375rem;
}

.nav a {
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--accent);
}

/* ---------- typography ---------- */

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 500;
  color: var(--ink);
  letter-spacing: -0.012em;
  line-height: 1.14;
  margin: 0 0 0.75rem;
  text-wrap: balance;
}

h1 { font-size: clamp(2.125rem, 1.5rem + 3vw, 3.75rem); }
h2 { font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.125rem); }
h3 { font-size: clamp(1.1875rem, 1.1rem + 0.5vw, 1.375rem); line-height: 1.3; }

p { margin: 0 0 1.15rem; max-width: var(--measure); }

.lede {
  font-size: clamp(1.1875rem, 1.05rem + 0.6vw, 1.4375rem);
  line-height: 1.5;
  color: var(--ink-2);
}

.kicker {
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
  font-variant-numeric: lining-nums;
}

a { color: var(--accent); text-underline-offset: 0.18em; }

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

strong { font-weight: 600; }

/* ---------- hero ---------- */

.hero { padding-block: clamp(3rem, 8vw, 6rem) var(--stack); }

.hero__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: 1fr;
  align-items: end;
}

@media (min-width: 56rem) {
  .hero__grid { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); }
}

.hero figcaption {
  font-size: 0.8125rem;
  color: var(--ink-3);
  line-height: 1.45;
  margin-top: 0.75rem;
  max-width: 26rem;
}

/* ---------- article list ---------- */

.entries { border-top: 1px solid var(--rule-strong); }

.entry {
  display: grid;
  gap: 0.35rem 2rem;
  padding-block: 1.75rem;
  border-bottom: 1px solid var(--rule);
  grid-template-columns: 1fr;
}

@media (min-width: 46rem) {
  .entry { grid-template-columns: 6.5rem minmax(0, 1fr); }
}

.entry__no {
  font-family: var(--display);
  font-size: 0.9375rem;
  color: var(--ink-3);
  letter-spacing: 0.08em;
  font-variant-numeric: lining-nums;
  padding-top: 0.35rem;
}

.entry h3 { margin-bottom: 0.4rem; }

.entry h3 a { color: var(--ink); text-decoration: none; }

.entry h3 a:hover { color: var(--accent); }

.entry p { margin: 0; color: var(--ink-2); font-size: 1rem; }

.entry__meta {
  margin-top: 0.6rem;
  font-size: 0.8125rem;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}

/* ---------- principle / list blocks ---------- */

.cols {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  grid-template-columns: 1fr;
}

@media (min-width: 46rem) {
  .cols--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.cols p { max-width: 32rem; }

.numbered {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: item;
}

.numbered > li {
  counter-increment: item;
  padding: 1.25rem 0 1.25rem 3rem;
  border-top: 1px solid var(--rule);
  position: relative;
  max-width: 42rem;
}

.numbered > li::before {
  content: counter(item, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.35rem;
  font-family: var(--display);
  font-size: 0.875rem;
  color: var(--accent);
  letter-spacing: 0.06em;
  font-variant-numeric: lining-nums;
}

.numbered h3 { margin-bottom: 0.35rem; }

.numbered p { margin: 0; color: var(--ink-2); font-size: 1rem; }

.plain {
  list-style: none;
  margin: 0 0 1.15rem;
  padding: 0;
  max-width: var(--measure);
}

.plain li {
  padding: 0.55rem 0 0.55rem 1.5rem;
  position: relative;
  border-bottom: 1px solid var(--rule);
  font-size: 1rem;
  color: var(--ink-2);
}

.plain li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 0.5rem;
  height: 1px;
  background: var(--accent);
}

/* ---------- notice ---------- */

.notice {
  background: var(--accent-tint);
  border-left: 2px solid var(--accent);
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
  max-width: 42rem;
}

.notice p { margin: 0; font-size: 1rem; color: var(--ink-2); }

.notice p + p { margin-top: 0.75rem; }

/* ---------- faq ---------- */

.faq { border-top: 1px solid var(--rule-strong); max-width: 42rem; }

.faq__item { border-bottom: 1px solid var(--rule); padding-block: 1.5rem; }

.faq__item h3 { margin-bottom: 0.4rem; }

.faq__item p { margin: 0; color: var(--ink-2); font-size: 1rem; }

/* ---------- article body ---------- */

.article { padding-block: clamp(2.5rem, 6vw, 4.5rem); }

.article__head { max-width: 42rem; margin-bottom: 2.5rem; }

.article__meta {
  font-size: 0.8125rem;
  color: var(--ink-3);
  letter-spacing: 0.02em;
  border-top: 1px solid var(--rule);
  padding-top: 1rem;
  margin-top: 1.5rem;
}

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

.article__body h2 {
  font-size: clamp(1.25rem, 1.1rem + 0.7vw, 1.5rem);
  margin-top: 2.5rem;
}

.refs {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule-strong);
  max-width: var(--measure);
}

.refs h2 { font-size: 1.0625rem; letter-spacing: 0.08em; text-transform: uppercase; font-family: var(--text); font-weight: 600; }

.refs ol { padding-left: 1.25rem; margin: 0; }

.refs li { font-size: 0.9375rem; color: var(--ink-2); margin-bottom: 0.75rem; line-height: 1.5; }

/* ---------- legal pages ---------- */

.legal { max-width: 42rem; }

.legal h2 { font-size: clamp(1.1875rem, 1.1rem + 0.6vw, 1.4375rem); margin-top: 2.5rem; }

.legal h3 { font-size: 1.0625rem; margin-top: 1.75rem; }

.legal p, .legal li { font-size: 1rem; color: var(--ink-2); }

.legal ul { padding-left: 1.15rem; }

.legal li { margin-bottom: 0.5rem; }

.legal__date {
  font-size: 0.8125rem;
  color: var(--ink-3);
  letter-spacing: 0.02em;
}

/* ---------- footer ---------- */

.foot {
  border-top: 1px solid var(--rule-strong);
  padding-block: 2.75rem 3.5rem;
  margin-top: var(--stack);
  font-size: 0.9375rem;
}

.foot__grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

@media (min-width: 46rem) {
  .foot__grid { grid-template-columns: minmax(0, 1.4fr) repeat(2, minmax(0, 1fr)); }
}

.foot h2 {
  font-family: var(--text);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 0.85rem;
  font-weight: 600;
}

.foot ul { list-style: none; margin: 0; padding: 0; }

.foot li { margin-bottom: 0.45rem; }

.foot a { color: var(--ink-2); text-decoration: none; }

.foot a:hover { color: var(--accent); text-decoration: underline; }

.foot p { font-size: 0.875rem; color: var(--ink-3); max-width: 26rem; }

.colophon {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.8125rem;
  color: var(--ink-3);
}

.colophon p { font-size: 0.8125rem; color: var(--ink-3); max-width: 46rem; }

/* ---------- misc ---------- */

.error { padding-block: clamp(4rem, 12vw, 8rem); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 22.5rem) {
  :root { --gutter: 1rem; }
  body { font-size: 1rem; }
}

/* ---------- document pages (articles + legal) ---------- */

.doc .wrap { max-width: 42rem; }

.doc .article__head,
.doc .article__body,
.doc .article__body p,
.doc .legal p,
.doc .legal li,
.doc .notice,
.doc .refs,
.doc .lede,
.doc .plain { max-width: none; }

.doc .article__body p,
.doc .legal p { max-width: 38rem; }

.doc .section + .section { padding-top: clamp(1.5rem, 3vw, 2.25rem); }