/* =========================================================
   Hyeritage 디자인
   고칠 필요 없는 파일이에요. 색을 바꾸고 싶으면 아래 :root의 색 코드만 바꿔요.

   Layout: 기록 보관소. 첫 화면은 'AI는 속도'(기계의 글꼴)와
   '경험은 사람'(사람의 글꼴)을 위아래로 세우고, 그 아래로 글이 장부처럼 쌓여요.
   ========================================================= */

:root {
  /* 색 */
  --paper: #F1E9DA;       /* 아이보리 종이 */
  --paper-deep: #E6DAC4;  /* 한 톤 짙은 종이 (상자 배경) */
  --ink: #29231F;         /* 먹색 글씨 */
  --ink-soft: #5F554C;    /* 보조 글씨 */
  --rule: #CDBEA5;        /* 얇은 선 */
  --accent: #9E4526;      /* 테라코타 */
  --on-accent: #FBF5EA;   /* 테라코타 위 글씨 */

  /* 글꼴: 모두 SIL Open Font License (상업적 이용 무료) */
  --font-display: "Hahmlet", "Noto Serif KR", "AppleMyungjo", "Batang", serif;
  --font-body: "IBM Plex Sans KR", "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  --font-mono: "IBM Plex Mono", "IBM Plex Sans KR", ui-monospace, Menlo, Consolas, monospace;

  /* 글자 크기 */
  --step--1: 0.8125rem;
  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: 1.625rem;
  --step-3: clamp(1.875rem, 1.35rem + 2.2vw, 2.875rem);
  --step-4: clamp(2.75rem, 1.6rem + 5vw, 5.75rem);

  --gutter: clamp(16px, 4vw, 40px);
  --maxw: 1160px;
  --measure: 42rem;

  color-scheme: light;
}

/* ---------- 기본 ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.75;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { text-wrap: balance; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* 작은 라벨: 기계 쪽 목소리 */
.kicker, .meta, .block-title, .more, .eyebrow, .footer-label, .split-label {
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: 0.04em;
}
.kicker { color: var(--accent); font-weight: 500; }
.kicker .en { text-transform: uppercase; letter-spacing: 0.1em; margin-left: 0.35em; }
.meta { margin: 0; color: var(--ink-soft); display: flex; flex-wrap: wrap; align-items: baseline; gap: 0 0.6em; }
.meta .dot { color: var(--rule); }
.more { color: var(--accent); font-weight: 500; white-space: nowrap; }
.more:hover { text-decoration: underline; text-underline-offset: 4px; }
.eyebrow { margin: 0; color: var(--accent); font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; }

/* ---------- 머리글 ---------- */
.site-header { border-bottom: 1px solid var(--rule); }
.header-inner {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: 10px 32px; padding-block: 20px 14px;
}
.wordmark {
  font-family: var(--font-display); font-weight: 700; font-size: 1.75rem;
  letter-spacing: -0.02em; line-height: 1;
}
.site-nav { display: flex; gap: 4px 26px; font-size: 0.9688rem; font-weight: 500; }
.site-nav a { padding-block: 6px 4px; border-bottom: 2px solid transparent; }
.site-nav a:hover { color: var(--accent); }
.site-nav a[aria-current="page"], .site-nav a.is-current { border-bottom-color: var(--accent); }
@media (max-width: 560px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .site-nav { width: 100%; justify-content: space-between; }
}

/* ---------- 태그라인 (홈 첫 화면, 소개, 바닥글) ---------- */
.tagline { margin: 0; display: flex; flex-direction: column; }
.tagline .machine {
  font-family: var(--font-mono); font-weight: 400; color: var(--ink-soft);
  font-size: clamp(1.25rem, 0.95rem + 1.4vw, 2rem); letter-spacing: -0.01em; line-height: 1.3;
}
.tagline .human {
  font-family: var(--font-display); font-weight: 700; font-size: var(--step-4);
  line-height: 1.08; letter-spacing: -0.035em;
}

/* ---------- 홈 첫 화면 ---------- */
.masthead {
  display: grid; gap: 28px 48px;
  padding-block: clamp(40px, 7vw, 96px) clamp(32px, 5vw, 56px);
}
@media (min-width: 900px) {
  .masthead { grid-template-columns: minmax(0, 1fr) 21rem; align-items: end; }
}
.masthead-note { margin: 0; color: var(--ink-soft); display: grid; gap: 14px; }
.masthead-note p { margin: 0; }
.byline { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink); letter-spacing: 0.02em; }

/* ---------- 묶음 제목 ---------- */
.block { padding-block: clamp(40px, 5vw, 72px) 0; }
.block-head {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: 8px 16px; padding-top: 14px; border-top: 1px solid var(--ink); margin-bottom: 24px;
}
.block-title { margin: 0; color: var(--ink); font-weight: 500; letter-spacing: 0.04em; }
.empty { margin: 0; color: var(--ink-soft); padding-block: 20px; }

/* ---------- 사진 틀 ---------- */
.thumb {
  position: relative; overflow: hidden; margin: 0;
  background: var(--paper-deep); aspect-ratio: 4 / 3; max-width: 100%;
}
.thumb img { width: 100%; height: 100%; object-fit: cover; }
@media (prefers-reduced-motion: no-preference) {
  .thumb img { transition: transform 0.5s ease; }
  a:hover .thumb img { transform: scale(1.025); }
}

/* ---------- 대표 글 ---------- */
.feature-link { display: grid; gap: 22px 44px; }
@media (min-width: 820px) {
  .feature-link { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); align-items: center; }
}
.feature .thumb { aspect-ratio: 3 / 2; }
.feature-text { min-width: 0; }
.feature-title {
  font-family: var(--font-display); font-weight: 700; font-size: var(--step-3);
  line-height: 1.2; letter-spacing: -0.025em; margin: 12px 0 14px;
}
.feature-summary { margin: 0 0 18px; color: var(--ink-soft); font-size: var(--step-1); line-height: 1.6; }
a.feature-link:hover .feature-title { color: var(--accent); }

/* ---------- 목록 (장부형) ---------- */
.rows { list-style: none; margin: 0; padding: 0; }
.row { border-bottom: 1px solid var(--rule); }
.block .row:first-child .row-link { padding-top: 4px; }
.row-link {
  display: grid; grid-template-columns: 7rem minmax(0, 1fr);
  gap: 16px; padding-block: 20px; align-items: start;
}
@media (min-width: 720px) {
  .row-link { grid-template-columns: 14rem minmax(0, 1fr); gap: 32px; padding-block: 26px; }
}
.row-text { min-width: 0; }
.row-title {
  font-family: var(--font-display); font-weight: 600;
  font-size: clamp(1.1875rem, 1rem + 0.9vw, 1.75rem); line-height: 1.3;
  letter-spacing: -0.015em; margin: 6px 0 8px;
}
.row-summary, .tile-summary {
  margin: 0; color: var(--ink-soft); font-size: 0.9688rem; line-height: 1.65;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
a.row-link:hover .row-title, a.tile-link:hover .tile-title { color: var(--accent); }

/* ---------- 섹션 선반 (홈) ---------- */
.shelf { padding-block: clamp(48px, 6vw, 80px) 0; }
.shelf-head {
  display: grid; gap: 6px 36px; padding-top: 16px;
  border-top: 1px solid var(--ink); margin-bottom: 26px;
}
@media (min-width: 900px) {
  .shelf-head { grid-template-columns: 15rem minmax(0, 1fr) auto; align-items: baseline; }
}
.shelf-name {
  margin: 0; font-family: var(--font-display); font-weight: 700;
  font-size: var(--step-2); letter-spacing: -0.02em; line-height: 1.3;
}
.shelf-name .en, .section-hero h1 .en, .split-name .en {
  font-family: var(--font-mono); font-size: var(--step--1); font-weight: 500;
  color: var(--accent); letter-spacing: 0.12em; text-transform: uppercase;
  margin-left: 0.6em; vertical-align: 0.35em;
}
.shelf-desc { margin: 0; color: var(--ink-soft); font-size: 0.9688rem; max-width: 42rem; }

.tiles { list-style: none; margin: 0; padding: 0; display: grid; gap: 22px; }
.tile-link { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 16px; align-items: start; }
.tile-text { min-width: 0; }
.tile-title {
  font-family: var(--font-display); font-weight: 600; font-size: 1.1875rem;
  line-height: 1.35; letter-spacing: -0.01em; margin: 5px 0 6px;
}
@media (min-width: 760px) {
  .tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px 28px; }
  .tile-link { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .tile .thumb { aspect-ratio: 3 / 2; }
  .tile-title { font-size: 1.3125rem; }
}

/* ---------- 뉴스레터 자리 ---------- */
.letter {
  margin-top: clamp(64px, 8vw, 112px);
  background: var(--paper-deep);
  padding: clamp(24px, 5vw, 56px);
  display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px 56px;
}
.letter > * { min-width: 0; }
@media (min-width: 860px) {
  .letter { grid-template-columns: minmax(0, 1fr) minmax(0, 25rem); align-items: end; }
}
.letter-title {
  font-family: var(--font-display); font-weight: 700; font-size: var(--step-3);
  letter-spacing: -0.025em; line-height: 1.2; margin: 8px 0 10px;
}
.letter-desc { margin: 0; color: var(--ink-soft); max-width: 32rem; }
.letter-form { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; }
.letter-form input {
  flex: 1 1 13rem; min-width: 0; font: inherit; font-size: 1rem;
  padding: 12px 14px; border: 1px solid var(--rule); border-radius: 2px;
  background: var(--paper); color: var(--ink);
}
.letter-form input::placeholder { color: var(--ink-soft); }
.letter-form button {
  flex: 0 0 auto; font: inherit; font-size: 1rem; font-weight: 700;
  padding: 12px 20px; border: 0; border-radius: 2px;
  background: var(--accent); color: var(--on-accent);
}
.letter-form :disabled { cursor: not-allowed; }
.letter-note {
  flex: 1 1 100%; margin: 0; font-family: var(--font-mono);
  font-size: var(--step--1); color: var(--ink-soft);
}

/* ---------- 바닥글 ---------- */
.site-footer { margin-top: clamp(72px, 9vw, 128px); border-top: 1px solid var(--ink); padding-block: 44px 36px; }
.footer-grid { display: grid; gap: 32px 48px; }
@media (min-width: 760px) {
  .footer-grid { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr); }
}
.footer-brand { display: grid; gap: 14px; align-content: start; }
.footer-brand .tagline .machine { font-size: 1rem; }
.footer-brand .tagline .human { font-size: 1.625rem; letter-spacing: -0.02em; }
.footer-about { margin: 0; color: var(--ink-soft); font-size: 0.9375rem; }
.footer-label { margin: 0 0 10px; color: var(--ink-soft); }
.footer-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 0.9688rem; }
.footer-list a:hover { color: var(--accent); }
.footer-list li { display: grid; grid-template-columns: 7.5em minmax(0, 1fr); gap: 8px; align-items: baseline; }
.footer-list li:has(> a:only-child) { display: block; }
.footer-list .k { color: var(--ink-soft); }
.pending { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-soft); }
.footer-base {
  margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--rule);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px;
  font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-soft);
}

/* ---------- 섹션 페이지 ---------- */
.section-hero {
  display: grid; gap: 14px;
  padding-block: clamp(40px, 6vw, 88px) clamp(28px, 4vw, 44px);
}
.section-hero h1 {
  margin: 0; font-family: var(--font-display); font-weight: 700;
  font-size: var(--step-4); line-height: 1.05; letter-spacing: -0.035em;
}
.section-hero .lede { margin: 0; max-width: 40rem; color: var(--ink-soft); font-size: var(--step-1); line-height: 1.6; }
.section-list { border-top: 1px solid var(--ink); }

/* ---------- 소개 페이지 ---------- */
.about-hero { display: grid; gap: 18px; padding-block: clamp(40px, 6vw, 88px) clamp(28px, 4vw, 44px); }
.figures {
  margin: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-block: 1px solid var(--ink);
}
.figure {
  display: flex; flex-direction: column-reverse; justify-content: flex-end; gap: 4px;
  padding: 20px 20px 22px 0; border-right: 1px solid var(--rule); min-width: 0;
}
.figure + .figure { padding-left: 20px; }
.figure:last-child { border-right: 0; }
.figure dt { color: var(--ink-soft); font-size: 0.9375rem; }
.figure dd {
  margin: 0; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 1.4rem + 2.4vw, 3.25rem); line-height: 1.1;
  letter-spacing: -0.02em; font-variant-numeric: tabular-nums;
}
.figure.is-pending dd { color: var(--rule); }
.figure.is-pending dt { font-family: var(--font-mono); font-size: var(--step--1); }
@media (max-width: 640px) {
  .figures { grid-template-columns: minmax(0, 1fr); }
  .figure, .figure + .figure { padding: 16px 0 18px; border-right: 0; border-bottom: 1px solid var(--rule); }
  .figure:last-child { border-bottom: 0; }
}

.split { display: grid; gap: 12px 40px; padding-block: clamp(40px, 5vw, 64px) 0; }
@media (min-width: 900px) { .split { grid-template-columns: 13rem minmax(0, 1fr); } }
.split-label {
  margin: 0; padding-top: 6px; color: var(--ink); font-weight: 500;
}
.prose { max-width: var(--measure); min-width: 0; }
.prose p { margin: 0 0 1.15em; }
.prose p:last-child { margin-bottom: 0; }
.prose .lead {
  font-family: var(--font-display); font-weight: 600; font-size: var(--step-2);
  line-height: 1.45; letter-spacing: -0.02em; margin-bottom: 1em;
}
.defs { margin: 0; max-width: var(--measure); border-top: 1px solid var(--rule); }
.def { display: grid; gap: 4px 24px; padding-block: 18px; border-bottom: 1px solid var(--rule); }
@media (min-width: 640px) { .def { grid-template-columns: 11rem minmax(0, 1fr); } }
.def dt { margin: 0; }
.split-name { font-family: var(--font-display); font-weight: 700; font-size: 1.25rem; }
.split-name .en { margin-left: 0.5em; vertical-align: 0.2em; }
.def dd { margin: 0; color: var(--ink-soft); }
.def dd a { display: inline-block; margin-top: 6px; }
.contact { list-style: none; margin: 1.4em 0 0; padding: 18px 0 0; border-top: 1px solid var(--rule); display: grid; gap: 8px; }
.contact li { display: grid; grid-template-columns: minmax(0, 11em) minmax(0, 1fr); gap: 4px 12px; align-items: baseline; }
.contact .k { color: var(--ink-soft); }
.contact a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- 글 페이지 ---------- */
.post { padding-block: clamp(32px, 5vw, 72px) 0; }
.post-head { max-width: 48rem; }
.post-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 1.45rem + 2.6vw, 3.375rem); line-height: 1.2;
  letter-spacing: -0.03em; margin: 14px 0 16px;
}
.post-dek { margin: 0 0 24px; color: var(--ink-soft); font-size: var(--step-1); line-height: 1.6; }
.post-meta {
  display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 18px;
  padding-block: 14px; border-block: 1px solid var(--rule);
  font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-soft);
}
.post-meta .author-name-inline { color: var(--ink); }
.share { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.share button, .share a {
  font-family: var(--font-mono); font-size: var(--step--1); line-height: 1.2;
  padding: 8px 12px; border: 1px solid var(--rule); border-radius: 2px;
  background: transparent; color: var(--ink); cursor: pointer;
}
.share button:hover, .share a:hover { border-color: var(--accent); color: var(--accent); }
.post-cover { margin-block: 32px; aspect-ratio: 16 / 9; }

.post-layout { display: grid; row-gap: 0; }
.post-layout > * { grid-column: 1; min-width: 0; }
.post-layout > .disclosure, .post-layout > .labbox, .post-layout > .toc { margin-bottom: 28px; }
@media (min-width: 1060px) {
  .post-layout { grid-template-columns: minmax(0, 48rem) 15rem; justify-content: space-between; column-gap: 48px; }
  .post-layout > .toc {
    grid-column: 2; grid-row: 1 / span 4; align-self: start;
    position: sticky; top: calc(env(safe-area-inset-top, 0px) + 24px);
  }
}

.disclosure {
  display: grid; gap: 4px; padding: 14px 18px;
  background: var(--paper-deep); font-size: 0.9375rem; line-height: 1.6;
}
.disclosure strong { font-family: var(--font-mono); font-size: var(--step--1); font-weight: 500; color: var(--accent); letter-spacing: 0.06em; }

.labbox { border: 1px solid var(--ink); }
.labbox-head {
  display: flex; justify-content: space-between; gap: 12px; padding: 10px 16px;
  border-bottom: 1px solid var(--ink); font-family: var(--font-mono);
  font-size: var(--step--1); letter-spacing: 0.08em;
}
.labbox-head span:last-child { color: var(--accent); }
.labbox-steps { margin: 0; }
.step { display: grid; grid-template-columns: 4.5rem minmax(0, 1fr); gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--rule); }
.step dt { font-family: var(--font-mono); font-size: var(--step--1); color: var(--accent); padding-top: 3px; }
.step dd { margin: 0; }
.metrics { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metric { padding: 12px 16px; border-right: 1px solid var(--rule); min-width: 0; }
.metric:last-child { border-right: 0; }
.metric-label { margin: 0; font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-soft); }
.metric-value {
  margin: 2px 0 0; font-family: var(--font-display); font-weight: 700; font-size: 1.5rem;
  line-height: 1.2; font-variant-numeric: tabular-nums;
}
.labbox-source {
  margin: 0; padding: 8px 16px; border-top: 1px solid var(--rule);
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--ink-soft);
}
@media (max-width: 600px) {
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metric:nth-child(2) { border-right: 0; }
  .metric:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
}

.toc details { border-top: 1px solid var(--ink); padding-top: 10px; }
.toc summary {
  cursor: pointer; font-family: var(--font-mono); font-size: var(--step--1);
  letter-spacing: 0.04em; font-weight: 500; list-style-position: inside;
}
.toc ol { margin: 10px 0 0; padding-left: 1.4em; display: grid; gap: 6px; font-size: 0.9375rem; line-height: 1.5; }
.toc li::marker { font-family: var(--font-mono); color: var(--ink-soft); font-size: 0.8125rem; }
.toc a:hover { color: var(--accent); }

.post-body { max-width: 48rem; font-size: 1.125rem; line-height: 1.9; }
.post-body > :first-child { margin-top: 0; }
.post-body p { margin: 0 0 1.25em; }
.post-body h2 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.75rem;
  line-height: 1.35; letter-spacing: -0.02em; margin: 2.1em 0 0.6em;
  scroll-margin-top: 24px;
}
.post-body h3 { font-family: var(--font-display); font-weight: 600; font-size: 1.3125rem; line-height: 1.4; margin: 1.8em 0 0.5em; }
.post-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.post-body ul, .post-body ol { padding-left: 1.3em; margin: 0 0 1.25em; }
.post-body li + li { margin-top: 0.3em; }
.post-body blockquote {
  margin: 1.8em 0; padding-left: 22px; border-left: 2px solid var(--accent);
  font-family: var(--font-display); font-size: 1.3125rem; line-height: 1.6;
}
.post-body figure { margin: 1.8em 0; }
.post-body figcaption { font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-soft); margin-top: 8px; }
.post-body code { font-family: var(--font-mono); font-size: 0.9em; background: var(--paper-deep); padding: 1px 5px; border-radius: 2px; }
.post-body .table-wrap { overflow-x: auto; margin: 1.8em 0; }
.post-body table { border-collapse: collapse; width: 100%; font-size: 0.9688rem; font-variant-numeric: tabular-nums; }
.post-body th, .post-body td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--rule); }
.post-body th { font-family: var(--font-mono); font-size: var(--step--1); font-weight: 500; border-bottom-color: var(--ink); }

/* 프롬프트 상자: AI에 넣은 프롬프트를 그대로 보여주고 복사 버튼을 붙여요 */
.post-body .prompt { border: 1px solid var(--ink); background: var(--paper); }
.post-body .prompt figcaption {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  margin: 0; padding: 8px 8px 8px 16px; border-bottom: 1px solid var(--ink);
  color: var(--ink); letter-spacing: 0.08em;
}
.post-body .prompt pre {
  margin: 0; padding: 16px; overflow-x: auto; white-space: pre-wrap;
  font-family: var(--font-mono); font-size: 0.9375rem; line-height: 1.7;
}
.copy-btn {
  font-family: var(--font-mono); font-size: 0.75rem; padding: 5px 10px;
  border: 1px solid var(--rule); border-radius: 2px; background: transparent;
  color: var(--ink); cursor: pointer;
}
.copy-btn:hover { border-color: var(--accent); color: var(--accent); }

.author {
  max-width: 48rem; margin-top: 56px; padding-block: 24px;
  border-block: 1px solid var(--ink); display: grid; gap: 6px;
}
.author-label { margin: 0; font-family: var(--font-mono); font-size: var(--step--1); color: var(--ink-soft); letter-spacing: 0.04em; }
.author-name { margin: 0; font-family: var(--font-display); font-weight: 700; font-size: 1.375rem; letter-spacing: -0.01em; }
.author-intro { margin: 0 0 4px; color: var(--ink-soft); }
.related { margin-top: clamp(56px, 7vw, 88px); }
.related .block-title { display: block; padding-top: 14px; border-top: 1px solid var(--ink); margin-bottom: 24px; }

/* 알림 */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 2px;
  font-family: var(--font-mono); font-size: var(--step--1); z-index: 10;
  max-width: calc(100% - 32px);
}