/* Hallmark · macrostructure: Long Document Reader · genre: modern-minimal · theme: Carbon Blue / warm paper · enrichment: chapter index + reading progress + font controls + full press conference · nav: N9 · footer: Ft2 · contrast: pass (40–41) · slop: pass (42–45) · honest: pass (46) · chrome: pass (47) · tokens: pass (48) · responsive: pass (49) · mobile: pass (34, 49, 50–57) */
/* Hallmark · pre-emit critique: P5 H5 E5 S5 R5 V5 */

:root {
  --reader-paper: oklch(97.5% 0.008 250);
  --reader-paper-2: oklch(94.5% 0.012 250);
  --reader-ink: oklch(20% 0.018 258);
  --reader-muted: oklch(43% 0.02 258);
  --reader-rule: oklch(82% 0.014 252);
  --reader-blue: oklch(46% 0.2 256);
  --reader-blue-ink: oklch(98% 0.005 250);
  --reader-stage: oklch(10% 0.014 256);
  --reader-stage-2: oklch(15% 0.018 256);
  --reader-stage-rule: oklch(34% 0.018 255);
  --reader-on-dark: oklch(95% 0.008 250);
  --reader-on-dark-muted: oklch(76% 0.016 250);
  --reader-font: 1.18rem;
  --font-ui: "Noto Sans KR", ui-sans-serif, sans-serif;
  --font-reading: "Noto Serif KR", ui-serif, serif;
  --gutter: clamp(1rem, 4vw, 4rem);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-short: 220ms;
  --z-nav: 200;
  --z-progress: 220;
}

html,
body {
  overflow-x: clip;
}

html {
  scroll-behavior: smooth;
  background: var(--reader-paper);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--reader-paper);
  color: var(--reader-ink);
  font-family: var(--font-ui);
  text-rendering: optimizeLegibility;
}

body[data-reader-size="small"] {
  --reader-font: 1.05rem;
}

body[data-reader-size="medium"] {
  --reader-font: 1.18rem;
}

body[data-reader-size="large"] {
  --reader-font: 1.34rem;
}

a {
  color: var(--reader-blue);
  text-underline-offset: 0.16em;
}

button {
  font: inherit;
}

button:disabled,
[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

button:active,
a:active {
  transform: translateY(1px);
}

:focus-visible {
  outline: 3px solid var(--reader-blue);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  inset-block-start: 0.75rem;
  inset-inline-start: 0.75rem;
  z-index: calc(var(--z-progress) + 1);
  min-height: 44px;
  padding: 0.75rem 1rem;
  transform: translateY(-180%);
  background: var(--reader-paper);
  color: var(--reader-ink);
  font-weight: 700;
  transition: transform var(--dur-short) var(--ease-out);
}

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

.reader-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-progress);
  height: 3px;
  transform-origin: left center;
  background: transparent;
}

.reader-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: var(--reader-blue);
}

.reader-nav {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding-inline: var(--gutter);
  border-block-end: 1px solid var(--reader-rule);
  background: var(--reader-paper);
}

.reader-brand {
  color: var(--reader-ink);
  font-weight: 800;
  letter-spacing: -0.04em;
  text-decoration: none;
  white-space: nowrap;
}

.reader-brand span {
  color: var(--reader-muted);
  font-weight: 500;
}

.reader-nav__actions {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 3vw, 1.75rem);
}

.reader-nav__actions a {
  color: var(--reader-muted);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.reader-nav__back::after {
  margin-inline-start: 0.4rem;
  color: var(--reader-blue);
  content: "↗";
}

.reader-hero {
  padding: clamp(6rem, 14vw, 11rem) var(--gutter) clamp(5rem, 10vw, 8rem);
}

.reader-hero__inner {
  width: min(100%, 76rem);
  margin-inline: auto;
}

.reader-hero__meta {
  margin: 0 0 1.5rem;
  color: var(--reader-blue);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.reader-hero h1 {
  display: grid;
  max-width: 17ch;
  margin: 0;
  color: var(--reader-ink);
  font-size: clamp(3rem, 8vw, 7.4rem);
  font-weight: 800;
  letter-spacing: -0.07em;
  line-height: 1.02;
  word-break: keep-all;
}

.reader-hero h1 span:nth-child(n + 2) {
  color: var(--reader-muted);
}

.reader-hero__lede {
  max-width: 42rem;
  margin: 2rem 0 0;
  color: var(--reader-muted);
  font-size: clamp(1.1rem, 2.2vw, 1.45rem);
  line-height: 1.65;
  word-break: keep-all;
}

.reader-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-block-start: 2.5rem;
}

.reader-controls > span {
  color: var(--reader-muted);
  font-size: 0.84rem;
  font-weight: 700;
  white-space: nowrap;
}

.reader-controls div {
  display: inline-flex;
  padding: 0.25rem;
  border: 1px solid var(--reader-rule);
  border-radius: 999rem;
}

.reader-controls button {
  display: grid;
  min-width: 44px;
  min-height: 44px;
  place-items: center;
  border: 0;
  border-radius: 999rem;
  background: transparent;
  color: var(--reader-muted);
  cursor: pointer;
}

.reader-controls button:nth-child(1) {
  font-size: 0.8rem;
}

.reader-controls button:nth-child(3) {
  font-size: 1.15rem;
}

.reader-controls button[aria-pressed="true"] {
  background: var(--reader-ink);
  color: var(--reader-paper);
}

@media (hover: hover) and (pointer: fine) {
  .reader-controls button:hover {
    background: var(--reader-paper-2);
    color: var(--reader-ink);
  }

  .reader-controls button[aria-pressed="true"]:hover {
    background: var(--reader-ink);
    color: var(--reader-paper);
  }
}

.reader-layout {
  display: grid;
  width: min(100%, 76rem);
  margin-inline: auto;
  padding: 0 var(--gutter) clamp(7rem, 14vw, 12rem);
}

.reader-index {
  display: none;
}

.manifesto-body {
  min-width: 0;
}

.reader-source-note {
  display: grid;
  gap: 0.75rem;
  margin-block-end: clamp(4rem, 9vw, 7rem);
  padding: 1.5rem;
  border-block: 1px solid var(--reader-rule);
}

.reader-source-note strong {
  color: var(--reader-blue);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.reader-source-note p {
  margin: 0;
  color: var(--reader-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  word-break: keep-all;
}

.reader-chapter {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin: clamp(7rem, 14vw, 11rem) 0 3rem;
  padding-block-start: 1.5rem;
  border-block-start: 1px solid var(--reader-rule);
  color: var(--reader-ink);
  font-family: var(--font-ui);
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.05em;
  line-height: 1.15;
  scroll-margin-block-start: 96px;
  word-break: keep-all;
}

.reader-chapter:first-of-type {
  margin-block-start: 0;
}

.reader-chapter span {
  color: var(--reader-blue);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
}

.manifesto-paragraph {
  max-width: 36em;
  margin: 0 0 1.75em;
  color: var(--reader-ink);
  font-family: var(--font-reading);
  font-size: var(--reader-font);
  font-weight: 400;
  letter-spacing: -0.012em;
  line-height: 1.92;
  word-break: keep-all;
  overflow-wrap: break-word;
}

.manifesto-first,
.greeting-paragraph {
  color: var(--reader-ink);
  font-weight: 700;
}

.manifesto-first {
  font-size: calc(var(--reader-font) * 1.22);
}

.policy-paragraph {
  margin-block-start: 3.5rem;
  padding-block-start: 2rem;
  border-block-start: 1px solid var(--reader-rule);
  font-weight: 600;
}

.signature-paragraph {
  margin-block: 4rem;
  color: var(--reader-blue);
  font-size: calc(var(--reader-font) * 1.38);
  font-weight: 700;
  line-height: 1.65;
}

.manifesto-close {
  display: grid;
  gap: 1rem;
  margin-block-start: 6rem;
  padding-block: 2.5rem;
  border-block: 1px solid var(--reader-rule);
}

.manifesto-close span {
  color: var(--reader-ink);
  font-size: 2rem;
  font-weight: 800;
}

.manifesto-close p {
  margin: 0;
  color: var(--reader-muted);
  font-size: 0.9rem;
}

.manifesto-close a {
  justify-self: start;
  min-height: 44px;
  padding-block-start: 0.75rem;
  font-size: 0.9rem;
  font-weight: 700;
  white-space: nowrap;
}

.press-video {
  display: grid;
  gap: clamp(3rem, 7vw, 6rem);
  padding: clamp(6rem, 13vw, 11rem) var(--gutter);
  background: var(--reader-stage);
  color: var(--reader-on-dark);
}

.press-video__copy,
.press-video figure {
  width: min(100%, 76rem);
  margin-inline: auto;
}

.press-video__copy > p:first-child {
  margin: 0 0 1.5rem;
  color: var(--reader-on-dark-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.press-video h2 {
  display: grid;
  max-width: 13ch;
  margin: 0;
  color: var(--reader-on-dark);
  font-size: clamp(2.7rem, 7vw, 6rem);
  letter-spacing: -0.065em;
  line-height: 1.03;
  word-break: keep-all;
}

.press-video h2 span:last-child {
  color: var(--reader-on-dark-muted);
}

.press-video__copy > p:last-child {
  max-width: 42rem;
  margin: 2rem 0 0;
  color: var(--reader-on-dark-muted);
  font-size: 1.1rem;
  line-height: 1.65;
  word-break: keep-all;
}

.press-video figure {
  overflow: clip;
  border: 1px solid var(--reader-stage-rule);
  border-radius: 1.5rem;
  background: var(--reader-stage-2);
}

.press-video figure > div {
  position: relative;
  aspect-ratio: 16 / 9;
}

.press-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.press-video figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  color: var(--reader-on-dark-muted);
  font-size: 0.9rem;
}

.press-video figcaption a {
  color: var(--reader-on-dark);
  font-weight: 700;
  white-space: nowrap;
}

.reader-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 2rem var(--gutter);
  border-block-start: 1px solid var(--reader-rule);
  background: var(--reader-paper);
  color: var(--reader-muted);
}

.reader-footer p {
  margin: 0;
  color: var(--reader-ink);
  font-weight: 700;
}

.reader-footer div {
  display: flex;
  gap: 1.5rem;
}

.reader-footer a {
  color: var(--reader-muted);
  font-size: 0.84rem;
  white-space: nowrap;
}

@media (min-width: 60rem) {
  .reader-layout {
    grid-template-columns: 13rem minmax(0, 42rem);
    justify-content: center;
    gap: clamp(4rem, 8vw, 8rem);
  }

  .reader-index {
    position: sticky;
    inset-block-start: 96px;
    display: block;
    align-self: start;
  }

  .reader-index > p {
    margin: 0 0 1.25rem;
    color: var(--reader-muted);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
  }

  .reader-index nav {
    display: grid;
    border-block-start: 1px solid var(--reader-rule);
  }

  .reader-index nav a {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    min-height: 52px;
    align-items: center;
    gap: 0.75rem;
    border-block-end: 1px solid var(--reader-rule);
    color: var(--reader-muted);
    font-size: 0.82rem;
    text-decoration: none;
  }

  .reader-index nav a span {
    color: var(--reader-blue);
    font-size: 0.7rem;
  }

  .reader-index nav a[aria-current="true"] {
    color: var(--reader-ink);
    font-weight: 700;
  }

  .reader-index__sources {
    display: grid;
    gap: 0.6rem;
    margin-block-start: 2rem;
  }

  .reader-index__sources strong {
    color: var(--reader-muted);
    font-size: 0.72rem;
  }

  .reader-index__sources a {
    color: var(--reader-muted);
    font-size: 0.78rem;
  }
}

@media (max-width: 40rem) {
  .reader-nav__actions > a:first-child {
    display: none;
  }

  .reader-hero {
    padding-block-start: 5rem;
  }

  .reader-hero h1 {
    font-size: clamp(2rem, 10vw, 4.4rem);
  }

  .reader-controls {
    align-items: flex-start;
    flex-direction: column;
  }

  .manifesto-paragraph {
    line-height: 1.82;
  }

  .reader-chapter {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.6rem;
  }

  .press-video h2 {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .press-video figcaption,
  .reader-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 150ms !important;
    transition-duration: 150ms !important;
  }

  button:active,
  a:active {
    transform: none;
  }
}