/* The journal inherits GladShare's paper, ink, accent and wordmark. */
.security-document { scroll-padding-top: 0; }

.security-page {
  --letter-muted: #605e56;
  overflow-x: visible;
  line-height: 1.9;
}

.letter-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  min-height: 6rem;
  padding: 1.2rem var(--gutter);
  border-bottom: 1px solid var(--line);
}

.letter-header nav { display: flex; gap: clamp(1.2rem, 3vw, 3rem); }
.letter-header nav a { padding: 0.5rem 0; font-size: 0.9rem; }
.letter-header nav a[aria-current] { border-bottom: 2px solid var(--accent); }
.letter-header nav a:hover { text-decoration: underline; text-underline-offset: 0.3em; }
.letter-header nav a > span { color: var(--letter-muted); }
.letter-main { width: min(100% - 2 * var(--gutter), 72rem); margin-inline: auto; }
.letter-breadcrumb { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1.8rem 0 3.5rem; color: var(--letter-muted); font-size: 0.85rem; }
.letter-breadcrumb a { text-decoration: underline; text-underline-offset: 0.25em; }
.letter-kicker { margin: 0 0 1.3rem; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.12em; }
.letter-intro { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 3rem; padding-bottom: 4.5rem; }
.letter-intro h1, .letter-issue-header h1 { margin: 0; font-family: var(--serif); font-size: clamp(2.6rem, 4.4vw, 4.2rem); font-weight: 400; line-height: 1.45; letter-spacing: -0.04em; }
.letter-intro h1 em, .security-preview h2 em { font-style: italic; }
.letter-issue-header h1 em { font-style: normal; }
.letter-subtitle { margin: 0.8rem 0 0; font-size: 1.05rem; line-height: 1.9; }
.letter-lead { margin: 1.6rem 0 0; font-size: 1.05rem; line-height: 2; }
.letter-seal { position: relative; display: grid; place-content: center; gap: 1.4rem; width: 15rem; height: 15rem; margin-right: 2rem; border: 1px solid var(--line); border-radius: 50%; text-align: center; }
.letter-seal::before { position: absolute; inset: 0.65rem; border: 1px dashed var(--line); border-radius: 50%; content: ""; }
.letter-seal > span { font-size: 0.65rem; font-weight: 700; letter-spacing: 0.15em; }
.letter-seal strong { font-family: var(--serif); font-size: 1.7rem; font-weight: 400; line-height: 1.65; }
.letter-seal i { position: absolute; top: -0.3rem; left: calc(50% - 0.3rem); width: 0.6rem; height: 0.6rem; border-radius: 50%; background: var(--accent); }
.letter-section-label { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding-bottom: 1rem; border-bottom: 1px solid var(--ink); }
.letter-section-label h2 { margin: 0; font-size: 1.05rem; font-weight: 600; }
.letter-section-label > span { color: var(--letter-muted); font-size: 0.75rem; letter-spacing: 0.12em; }
.letter-feature { display: grid; grid-template-columns: 13rem minmax(0, 1fr); gap: 3rem; padding: 2.8rem 0 3.5rem; }
.letter-feature__date { display: flex; flex-direction: column; align-items: start; gap: 0.7rem; }
.letter-feature__date > span:first-child { padding: 0.15rem 0.55rem; background: var(--ink); color: var(--paper); font-size: 0.75rem; letter-spacing: 0.08em; }
.letter-feature__date time { font-family: var(--serif); font-size: 1.9rem; }
.letter-feature__date > span:last-child { color: var(--letter-muted); font-size: 0.9rem; }
.letter-feature h3 { max-width: 23em; margin: 0; font-family: var(--serif); font-size: clamp(1.6rem, 2.5vw, 2.2rem); font-weight: 400; line-height: 1.7; }
.letter-feature h3 a:hover { text-decoration: underline; text-underline-offset: 0.2em; }
.letter-feature__body > p { color: var(--letter-muted); }
.letter-topic-list { margin: 1.5rem 0; padding: 0; list-style: none; }
.letter-topic-list a { display: flex; gap: 0.8rem; align-items: baseline; padding: 0.7rem 0; border-bottom: 1px solid var(--line); }
.letter-topic-list a > span:first-child { color: var(--letter-muted); font-size: 0.8rem; }
.letter-topic-list a > span:last-child { margin-left: auto; }
.letter-topic-list a:hover { color: #a72e13; }
.letter-read-link { display: inline-flex; align-items: center; justify-content: space-between; gap: 2.5rem; min-height: 3.2rem; padding: 0.7rem 1.4rem; background: var(--ink); color: var(--paper-bright); font-size: 1rem; }
.letter-read-link > span { color: var(--accent); font-size: 1.3rem; }
.letter-read-link:hover { background: #34342d; }
.letter-archive { padding: 2rem 0 5rem; }
.letter-archive ol { padding: 0; margin: 0; list-style: none; }
.letter-archive li a { display: grid; grid-template-columns: 8rem 1fr auto; gap: 1.5rem; align-items: baseline; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.letter-archive li a:hover > span { text-decoration: underline; text-underline-offset: 0.25em; }
.letter-archive time { color: var(--letter-muted); font-size: 0.9rem; }
.letter-archive i { font-style: normal; }
.letter-archive__note { color: var(--letter-muted); font-size: 0.9rem; }
.letter-issue-header { padding-bottom: 3rem; border-bottom: 1px solid var(--ink); }
.letter-issue-header .letter-kicker { display: flex; gap: 1rem; flex-wrap: wrap; letter-spacing: 0.06em; }
.letter-issue-header .letter-kicker > span { color: var(--letter-muted); }
.letter-issue-heading { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.letter-issue-count { display: grid; justify-items: center; margin-right: 2rem; }
.letter-issue-count strong { font-family: var(--serif); font-size: 6rem; font-weight: 400; line-height: 1; letter-spacing: -0.05em; }
.letter-issue-count > span { color: var(--letter-muted); font-size: 0.75rem; letter-spacing: 0.15em; }
.letter-issue-date { display: flex; gap: 1.3rem; flex-wrap: wrap; margin-top: 1.5rem; font-size: 0.9rem; color: var(--letter-muted); }
.letter-issue-date time { color: var(--ink); }
.letter-reading-layout { display: grid; grid-template-columns: 13rem minmax(0, 1fr); gap: clamp(2rem, 5vw, 5rem); padding-top: 3rem; padding-bottom: 5rem; }
.letter-toc { position: sticky; top: 2rem; align-self: start; font-size: 0.9rem; }
.letter-toc > p { margin: 0 0 1.1rem; font-weight: 600; }
.letter-toc ol { padding: 0; margin: 0; list-style: none; }
.letter-toc li a { display: grid; grid-template-columns: 1.5rem 1fr; gap: 0.5rem; padding: 0.8rem 0; border-top: 1px solid var(--line); line-height: 1.7; }
.letter-toc li span { color: var(--letter-muted); font-size: 0.8rem; }
.letter-toc li a:hover { color: #a72e13; }
.letter-toc__archive { display: block; margin-top: 2rem; text-decoration: underline; text-underline-offset: 0.3em; }
.letter-story { scroll-margin-top: 2rem; padding-bottom: 2.8rem; margin-bottom: 2.8rem; border-bottom: 1px solid var(--line); }
.letter-story__meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.7rem 1rem; }
.letter-story__number { font-family: var(--serif); font-size: 1.9rem; line-height: 1; }
.letter-systems { display: flex; gap: 0.35rem; padding: 0; margin: 0; list-style: none; }
.letter-systems li { padding: 0.1rem 0.6rem; border: 1px solid var(--line); border-radius: 2rem; font-size: 0.85rem; line-height: 1.8; }
.letter-story__meta > p { margin: 0 0 0 auto; color: var(--letter-muted); font-size: 0.85rem; }
.letter-story__audience { margin: 1.3rem 0 0.65rem; color: var(--letter-muted); font-size: 0.9rem; }
.letter-story h2 { margin: 0; font-family: var(--serif); font-size: clamp(1.5rem, 2.25vw, 2rem); font-weight: 500; line-height: 1.65; letter-spacing: -0.025em; }
.letter-story__body { margin: 1.2rem 0 1.5rem; font-size: 1.05rem; line-height: 1.95; }
.letter-action { padding: 1.3rem 1.5rem; border-left: 3px solid var(--accent); background: var(--paper-bright); }
.letter-action__label { margin: 0 0 0.6rem; font-size: 0.85rem; font-weight: 600; }
.letter-action__label > span { color: #a72e13; margin-right: 0.3rem; }
.letter-action h3 { margin: 0; font-size: 1.08rem; line-height: 1.8; font-weight: 600; }
.letter-action p:last-child { margin: 0.6rem 0 0; font-size: 1rem; line-height: 1.95; }
.letter-evidence { margin: 1.3rem 0 0.8rem; color: var(--letter-muted); font-size: 0.9rem; line-height: 1.9; }
.letter-evidence strong { display: block; margin-bottom: 0.25rem; color: var(--ink); font-weight: 500; }
.letter-sources { display: flex; flex-wrap: wrap; align-items: center; column-gap: 1.2rem; font-size: 0.9rem; }
.letter-sources > span { color: var(--letter-muted); }
.letter-sources a { padding-block: 0.45rem; text-decoration: underline; text-underline-offset: 0.3em; text-decoration-color: var(--line); }
.letter-sources a:hover { text-decoration-color: var(--ink); }
.letter-help { padding: 2rem; background: var(--ink); color: var(--paper); }
.letter-help .letter-kicker { color: var(--accent); font-size: 0.7rem; }
.letter-help h2 { margin: 0; font-family: var(--serif); font-size: 1.7rem; font-weight: 400; line-height: 1.7; }
.letter-help > p:last-child { margin: 1rem 0 0; font-size: 1rem; line-height: 2; }
.letter-issue-end { margin-top: 2rem; }
.letter-issue-end > p { margin-bottom: 1.5rem; color: var(--letter-muted); font-size: 0.9rem; }
.letter-footer { display: flex; flex-wrap: wrap; align-items: center; gap: 2rem; padding: 2.5rem var(--gutter); background: var(--ink); color: var(--paper); }
.letter-footer p { margin: 0; font-family: var(--serif); font-size: 1.1rem; line-height: 1.7; }
.letter-footer p > span { font-family: var(--sans); font-size: 0.8rem; }
.letter-footer > a:not(.wordmark) { margin-left: auto; font-size: 0.9rem; text-decoration: underline; text-underline-offset: 0.3em; }
.letter-footer small { flex-basis: 100%; padding-top: 1.3rem; border-top: 1px solid rgba(241, 238, 229, 0.2); color: #b6b3a9; font-size: 0.75rem; letter-spacing: 0.08em; }
.letter-visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }

/* Evergreen entrance on the homepage; dated issues live in the journal. */
.security-preview { position: relative; z-index: 4; display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding: 5rem var(--gutter); border-top: 1px solid var(--line); background: var(--paper); }
.security-preview__kicker { margin: 0 0 1.2rem; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.13em; }
.security-preview h2 { margin: 0; font-family: var(--serif); font-size: clamp(2rem, 3.7vw, 3.5rem); font-weight: 400; line-height: 1.5; }
.security-preview__body { max-width: 30rem; align-self: end; justify-self: end; }
.security-preview__body > p { margin: 0 0 1.5rem; font-size: 1rem; line-height: 2; }
.security-preview__archive { display: block; width: fit-content; margin-top: 1.2rem; font-size: 0.9rem; text-decoration: underline; text-underline-offset: 0.3em; }

@media (max-width: 800px) {
  .letter-breadcrumb { margin-bottom: 2.5rem; }
  .letter-intro { gap: 1.5rem; }
  .letter-seal { width: 11rem; height: 11rem; margin-right: 0; }
  .letter-seal strong { font-size: 1.35rem; }
  .letter-feature { grid-template-columns: 10rem minmax(0, 1fr); gap: 1.5rem; }
  .letter-feature__date time { font-size: 1.5rem; }
  .letter-reading-layout { grid-template-columns: minmax(0, 1fr); gap: 2rem; padding-top: 1.5rem; }
  .letter-toc { position: static; }
  .letter-toc ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
  .letter-toc__archive { display: none; }
}

@media (max-width: 600px) {
  .letter-header { flex-wrap: wrap; gap: 0.7rem; padding-block: 1rem 0.6rem; }
  .letter-header .wordmark { font-size: 1.8rem; }
  .letter-header nav { width: 100%; justify-content: space-between; gap: 0.75rem; }
  .letter-header nav a { font-size: 0.875rem; }
  .letter-breadcrumb { gap: 0.45rem; margin-top: 1.2rem; margin-bottom: 2rem; font-size: 0.8rem; }
  .letter-kicker { font-size: 0.75rem; }
  .letter-intro { grid-template-columns: minmax(0, 1fr); padding-bottom: 2.5rem; }
  .letter-intro h1 { font-size: 2.35rem; }
  .letter-seal { display: none; }
  .letter-lead { font-size: 1rem; }
  .letter-desktop-break { display: none; }
  .letter-section-label h2 { font-size: 1rem; }
  .letter-section-label > span { font-size: 0.65rem; }
  .letter-feature { grid-template-columns: minmax(0, 1fr); gap: 1.2rem; padding: 1.5rem 0 2rem; }
  .letter-feature__date { flex-direction: row; flex-wrap: wrap; align-items: center; gap: 0.4rem 0.8rem; }
  .letter-feature__date time { font-size: 1.3rem; }
  .letter-feature__date > span:last-child { margin-left: auto; font-size: 0.8rem; }
  .letter-feature h3 { font-size: 1.65rem; }
  .letter-topic-list a { font-size: 0.95rem; }
  .letter-read-link { width: 100%; }
  .letter-archive { padding-top: 1.5rem; padding-bottom: 3rem; }
  .letter-archive li a { grid-template-columns: minmax(0, 1fr) auto; gap: 0.5rem; }
  .letter-archive li time { grid-column: 1 / -1; }
  .letter-archive li span { font-size: 0.95rem; }
  .letter-issue-header { padding-bottom: 1.8rem; }
  .letter-issue-header h1 { font-size: clamp(1.8rem, 7.6vw, 2.4rem); line-height: 1.6; }
  .letter-issue-count { display: none; }
  .letter-issue-date { gap: 0.4rem 1rem; font-size: 0.85rem; margin-top: 1rem; }
  .letter-issue-date > span:last-child { flex-basis: 100%; }
  .letter-reading-layout { padding-bottom: 3rem; }
  .letter-toc > p { margin-bottom: 0.5rem; }
  .letter-toc ol { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .letter-toc li a { padding: 0.65rem 0; font-size: 0.95rem; }
  .letter-story { scroll-margin-top: 1rem; margin-bottom: 2rem; padding-bottom: 2rem; }
  .letter-story__meta { gap: 0.6rem 0.8rem; }
  .letter-story__meta > p { font-size: 0.85rem; }
  .letter-story h2 { font-size: 1.5rem; }
  .letter-story h2 br { display: none; }
  .letter-story__body { font-size: 1.05rem; }
  .letter-action { padding: 1.1rem; }
  .letter-action h3 { font-size: 1.05rem; }
  .letter-help { padding: 1.5rem; }
  .letter-help h2 { font-size: 1.3rem; }
  .letter-footer { gap: 1.2rem; }
  .letter-footer > a:not(.wordmark) { flex-basis: 100%; margin-left: 0; }
  .security-preview { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; padding-block: 3rem; }
  .security-preview h2 { font-size: 2.1rem; }
  .security-preview__body { justify-self: stretch; }
}