@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Gowun+Batang:wght@400;700&family=Manrope:wght@500;600;700&family=Nanum+Gothic+Coding:wght@400;700&display=swap');

:root {
  color-scheme: light;
  --paper: #f3eddf;
  --ink: #1d2420;
  --muted: #5f665f;
  --accent: #e04b34;
  --accent-strong: #c03926;
  --accent-on-dark: #e9634c;
  --line: #a8aa9f;
  --serif: 'DM Serif Display', 'Gowun Batang', serif;
  --sans: 'Manrope', sans-serif;
  --mono: 'Nanum Gothic Coding', 'D2Coding', 'Cascadia Mono', Consolas, monospace;
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --page-gutters: 2rem;
  --page-max: 1200px;
  --section-inset: clamp(2rem, 8vw, 7rem);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 12% 8%, color-mix(in srgb, var(--accent) 5%, transparent), transparent 28rem),
    repeating-linear-gradient(0deg, transparent 0 4px, color-mix(in srgb, var(--ink) 1.2%, transparent) 5px);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
}

a { color: inherit; }
p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; word-break: keep-all; }
code, pre, kbd, samp { font-family: var(--mono); font-variant-ligatures: none; }

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 1rem;
  padding: .7rem 1rem;
  background: var(--ink);
  color: var(--paper);
  transform: translateY(-120%);
}

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

.site-header,
main,
footer {
  width: min(calc(100% - var(--page-gutters)), var(--page-max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem clamp(.75rem, 2vw, 1.5rem);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(12px);
}

.brand {
  display: flex;
  align-items: center;
  gap: .7rem;
  min-height: 44px;
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  display: block;
  width: 2rem;
  height: 2rem;
  flex: 0 0 auto;
  transition: transform 220ms var(--ease-out);
}

.brand:hover .brand-mark,
.brand:focus-visible .brand-mark { transform: rotate(-8deg); }

nav { display: flex; gap: clamp(1rem, 3vw, 2.75rem); }
nav a, footer a { text-decoration-thickness: 1px; text-underline-offset: .3rem; }
nav a {
  display: inline-flex;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}
nav a:hover, nav a:focus-visible, nav a[aria-current="page"] { text-decoration: underline; }
nav a[aria-current="page"] { text-decoration-color: var(--accent); text-decoration-thickness: 2px; }
.language-link {
  padding-left: clamp(.65rem, 2vw, 1.5rem);
  border-left: 1px solid var(--line);
}
.language-flag { display: block; width: 1.75rem; height: auto; border: 1px solid color-mix(in srgb, var(--ink) 22%, transparent); }

.hero {
  position: relative;
  min-height: min(790px, calc(100vh - 82px));
  padding: clamp(4.5rem, 11vw, 9rem) 0 5rem;
  overflow: hidden;
}

/* Landing infographics: isolated decorative layer for easy removal. */
.hero::before {
  content: '';
  position: absolute;
  right: clamp(-11rem, -8vw, -5rem);
  bottom: clamp(-9rem, -7vw, -4rem);
  width: clamp(24rem, 48vw, 42rem);
  aspect-ratio: 1;
  background: url('/assets/icons/brand-mark.svg') center / contain no-repeat;
  opacity: .045;
  pointer-events: none;
}

.eyebrow,
.section-number,
.app-index,
.status {
  text-transform: uppercase;
  letter-spacing: .13em;
  font-size: .72rem;
  font-weight: 700;
}

.hero h1 {
  max-width: 950px;
  margin: 1.5rem 0 2rem;
  font-family: var(--serif);
  font-size: clamp(4rem, 11vw, 9.5rem);
  font-weight: 400;
  line-height: .85;
  letter-spacing: -.045em;
}

.hero h1 em { color: var(--accent); font-weight: 400; }
.hero-but { display: inline-block; margin-left: clamp(1rem, 4vw, 4rem); color: var(--muted); }

.hero-copy {
  max-width: 33rem;
  margin-bottom: 1.75rem;
  color: var(--muted);
  font-family: 'Gowun Batang', serif;
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.text-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font-weight: 700;
  text-decoration-thickness: 1px;
  text-underline-offset: .45rem;
}

main a::before,
footer a::before,
.consent-dialog a::before,
[data-analytics-settings]::before {
  content: '';
  display: inline-block;
  width: 1.1rem;
  height: 1.1rem;
  flex: 0 0 auto;
  margin-right: .4rem;
  background: currentColor;
  vertical-align: -.15em;
  -webkit-mask: url('/assets/icons/click-outline.svg') center / contain no-repeat;
  mask: url('/assets/icons/click-outline.svg') center / contain no-repeat;
}

main a:hover::before,
main a:focus-visible::before,
footer a:hover::before,
footer a:focus-visible::before,
.consent-dialog a:hover::before,
.consent-dialog a:focus-visible::before,
[data-analytics-settings]:hover::before,
[data-analytics-settings]:focus-visible::before {
  -webkit-mask-image: url('/assets/icons/click-filled.svg');
  mask-image: url('/assets/icons/click-filled.svg');
}

.orbit {
  position: absolute;
  top: clamp(3.5rem, 7vw, 5.5rem);
  right: 1rem;
  display: grid;
  width: clamp(8rem, 17vw, 13rem);
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--ink);
  border-radius: 50%;
}

.orbit-dot {
  position: absolute;
  top: -.35rem;
  width: .7rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: var(--accent);
}

.orbit-word {
  font-family: var(--serif);
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  font-style: italic;
  line-height: 1.05;
  text-align: center;
}

@keyframes reveal-up {
  from { opacity: 0; transform: translateY(1rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes reveal-orbit {
  from { opacity: 0; transform: scale(.92); }
  to { opacity: 1; transform: scale(1); }
}

.hero > .eyebrow,
.hero > h1,
.hero > .hero-copy,
.hero > .text-link {
  opacity: 0;
  animation: reveal-up 700ms var(--ease-out) forwards;
}

.hero > h1 { animation-delay: 80ms; }
.hero > .hero-copy { animation-delay: 160ms; }
.hero > .text-link { animation-delay: 240ms; }
.hero > .orbit { opacity: 0; animation: reveal-orbit 900ms 320ms var(--ease-out) forwards; }

.about,
.journal {
  display: grid;
  grid-template-columns: minmax(10rem, 1fr) 3fr;
  gap: 2rem;
  padding: clamp(5rem, 10vw, 9rem) var(--section-inset);
  border-top: 1px solid var(--line);
}

.about > div,
.journal > div { max-width: 720px; }
.about { background: var(--ink); color: var(--paper); }

h2 {
  margin: 0 0 2rem;
  font-family: var(--serif);
  font-size: clamp(2.7rem, 6vw, 5.4rem);
  font-weight: 400;
  line-height: .98;
  letter-spacing: -.025em;
}

.about div > p,
.journal div > p {
  max-width: 590px;
  color: var(--muted);
  font-family: 'Gowun Batang', serif;
  font-size: 1.08rem;
}
.about div > p { color: color-mix(in srgb, var(--paper) 75%, var(--ink)); }

.apps { padding: clamp(5rem, 10vw, 9rem) var(--section-inset); border-top: 1px solid var(--line); }
.section-heading { display: flex; justify-content: space-between; gap: 2rem; align-items: baseline; }
.section-heading h2 { max-width: 800px; }
.app-list { margin-top: 2rem; border-top: 1px solid var(--ink); }

.app-item {
  display: grid;
  grid-template-columns: 1fr 3fr auto;
  gap: 2rem;
  align-items: start;
  padding-block: 2.25rem;
  border-bottom: 1px solid var(--line);
}

.app-item h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3.8rem);
  font-weight: 400;
  line-height: 1;
}

.app-item div p { max-width: 520px; margin-bottom: 0; color: var(--muted); }
.status { padding: .35rem .65rem; border: 1px solid currentColor; border-radius: 99px; }
.home-music {
  position: relative;
  display: grid;
  grid-template-columns: minmax(10rem, 1fr) 3fr;
  gap: 2rem;
  padding: clamp(4rem, 8vw, 7rem) var(--section-inset);
  overflow: hidden;
  background: var(--ink);
  color: var(--paper);
}
.home-music > :not(.music-note) { position: relative; z-index: 1; }
.music-note {
  position: absolute;
  top: 50%;
  right: clamp(-8rem, -4vw, -3rem);
  color: color-mix(in srgb, var(--paper) 7%, transparent);
  font-family: 'DM Serif Display', serif;
  font-size: clamp(25rem, 48vw, 44rem);
  line-height: .75;
  pointer-events: none;
  transform: translateY(-47%) rotate(10deg);
  transform-origin: center;
}
.home-music-index { margin: clamp(3rem, 8vw, 7rem) 0 0; color: var(--accent-on-dark); }
.home-music-content { max-width: 760px; }
.home-music h2 { margin-block: 1rem 2rem; }
.home-music h2 em { color: var(--accent); font-weight: 400; }
.home-music-content > p:last-of-type { max-width: 620px; color: color-mix(in srgb, var(--paper) 75%, var(--ink)); font-family: 'Gowun Batang', serif; font-size: 1.08rem; }
.home-music-links { display: flex; flex-wrap: wrap; gap: 1rem 2.5rem; margin-top: 2rem; }
.journal .text-link { margin-top: 1rem; }
.journal { position: relative; overflow: hidden; }
.journal > :not(.journal-halftone) { position: relative; z-index: 1; }
.journal-halftone {
  position: absolute;
  right: clamp(1rem, 2vw, 2rem);
  bottom: clamp(1rem, 2vw, 2rem);
  width: clamp(13rem, 25vw, 21rem);
  color: color-mix(in srgb, var(--ink) 18%, transparent);
  fill: currentColor;
  pointer-events: none;
}

footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  padding-block: 2rem 3rem;
  border-top: 1px solid var(--ink);
  font-size: .82rem;
}

footer div { display: flex; gap: 1.5rem; }
footer a { display: inline-flex; min-width: 44px; min-height: 44px; align-items: center; justify-content: center; }
.support-link { padding: .65rem 1rem; border: 1px solid var(--ink); background: var(--ink); color: var(--paper); font-weight: 700; text-decoration: none; transition: background-color 180ms var(--ease-out), border-color 180ms var(--ease-out), transform 180ms var(--ease-out); }
.support-link:hover, .support-link:focus-visible { border-color: var(--accent-strong); background: var(--accent-strong); transform: translateY(-2px); }
.footer-note { text-align: right; font-family: var(--serif); font-style: italic; }

.music-shell { padding-block: clamp(4rem, 9vw, 8rem); }
.music-header { padding-bottom: clamp(4rem, 9vw, 7rem); border-bottom: 1px solid var(--ink); }
.music-header h1 { max-width: 1000px; margin: 1rem 0 2rem; font: 400 clamp(4rem, 9vw, 8rem)/.9 var(--serif); letter-spacing: -.04em; }
.music-header h1 em { color: var(--accent); font-weight: 400; }
.music-header > p:last-child { max-width: 650px; color: var(--muted); font: 1.1rem/1.8 'Gowun Batang', serif; }
.music-release { padding-block: clamp(4rem, 9vw, 8rem); border-bottom: 1px solid var(--ink); }
.music-video { margin-bottom: 1rem; aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid var(--ink); background: var(--ink); }
.music-video iframe, .spotify-player { display: block; width: 100%; border: 0; }
.music-video iframe { height: 100%; }
.spotify-player { height: 152px; border-radius: 12px; }

.page-shell { min-height: calc(100vh - 82px); padding-block: clamp(4rem, 9vw, 8rem); }
.page-shell h1 { max-width: 850px; margin: 0 0 2rem; font: 400 clamp(3.8rem, 9vw, 8rem)/.9 var(--serif); letter-spacing: -.04em; }
.page-intro { max-width: 620px; color: var(--muted); font: 1.1rem/1.8 'Gowun Batang', serif; }
.privacy-shell,
.accessibility-shell,
.contact-shell { width: min(100% - (var(--page-gutters) * 2), 850px); }
.empty-note { margin-top: 5rem; padding-top: 1.5rem; border-top: 1px solid var(--line); }
.footer-button { display: inline-flex; align-items: center; appearance: none; border: 0; padding: 0; background: transparent; color: inherit; font: inherit; text-decoration: underline; text-underline-offset: .25rem; cursor: pointer; }
.modal-open { overflow: hidden; }
.consent-layer { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 1rem; background: rgb(20 18 14 / 62%); }
.consent-layer[hidden] { display: none; }
.consent-dialog { width: min(100%, 34rem); max-height: calc(100vh - 2rem); overflow: auto; padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px solid var(--ink); background: var(--paper); box-shadow: 0 1.5rem 4rem rgb(0 0 0 / 28%); }
.consent-dialog h2 { margin-top: .5rem; }
.consent-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .75rem; margin-top: 2rem; }
.consent-actions button { min-height: 44px; padding: .7rem 1rem; border: 1px solid var(--ink); font: inherit; cursor: pointer; }
.button-primary { background: var(--ink); color: var(--paper); }
.button-secondary { background: transparent; color: var(--ink); }
.site-toast { position: fixed; top: 1.5rem; left: 50%; z-index: 1100; max-width: min(90vw, 28rem); transform: translateX(-50%); padding: .75rem 1rem; background: var(--ink); color: var(--paper); text-align: center; box-shadow: 0 .75rem 2rem rgb(0 0 0 / 24%); }
.site-toast[hidden] { display: none; }
.tag-filter { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin-top: 4rem; }
.tag-filter a { display: inline-flex; min-height: 44px; align-items: center; text-decoration: none; }
.tag-filter a::before { content: none; }
.tag-filter a:hover, .tag-filter a:focus-visible, .tag-filter a[aria-current] { color: var(--accent-strong); text-decoration: underline; text-underline-offset: .35rem; }
.post-list { margin: 1.5rem 0 0; padding: 0; border-top: 1px solid var(--ink); list-style: none; }
.post-list a { display: grid; grid-template-columns: auto 8rem 1fr; gap: 2rem; align-items: start; padding: 1.75rem 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.post-list a::before { margin-right: 0; }
.post-list time, .post-list small { color: var(--muted); }
.post-list strong, .post-list small { display: block; }
.post-list strong { margin-bottom: .45rem; font: 400 clamp(1.5rem, 3vw, 2.4rem)/1.15 var(--serif); }
.post-list small { font-size: .9rem; line-height: 1.6; }
.post-tags { display: flex; flex-wrap: wrap; gap: .35rem .8rem; margin-top: .8rem; color: var(--muted); font-size: .72rem; letter-spacing: .04em; }
.tag-empty { margin-top: 1.5rem; padding-block: 2rem; border-block: 1px solid var(--line); color: var(--muted); }
.article-shell { width: min(100% - (var(--page-gutters) * 2), 850px); margin: 0 auto; padding-block: clamp(4rem, 9vw, 8rem); }
.article-header { padding-bottom: clamp(3rem, 7vw, 5rem); border-bottom: 1px solid var(--ink); }
.article-header h1 { margin: 1rem 0 1.5rem; font: 400 clamp(3.25rem, 8vw, 7rem)/.92 var(--serif); letter-spacing: -.04em; }
.article-header > p:last-child { max-width: 680px; color: var(--muted); font: 1.1rem/1.8 'Gowun Batang', serif; }
.article-body { padding-block: clamp(3rem, 7vw, 5rem); font: 1.05rem/1.9 'Gowun Batang', serif; }
.article-body h2 { margin: 3.5rem 0 1rem; font: 400 clamp(2rem, 4vw, 3rem)/1.15 var(--serif); }
.article-body .article-question { font: 400 clamp(1.35rem, 3vw, 1.8rem)/1.4 var(--serif); }
.article-body .article-summary { margin-top: 3.5rem; padding: 1.5rem; border: 1px solid var(--ink); font-size: clamp(1.2rem, 2.5vw, 1.5rem); line-height: 1.65; }
.article-figure { margin: 2.5rem 0 3.5rem; }
.article-figure img { display: block; width: 100%; height: auto; border: 1px solid var(--line); }
.article-figure figcaption { margin-top: .75rem; color: var(--muted); font: .85rem/1.65 var(--sans); }
.article-body p, .article-body ul { margin: 0 0 1.5rem; }
.article-body ul { padding-left: 1.25rem; }
.article-body table { width: 100%; margin: 0 0 2rem; border-collapse: collapse; }
.article-body th, .article-body td { padding: .7rem .85rem; border: 1px solid var(--line); text-align: left; vertical-align: top; overflow-wrap: anywhere; }
.article-body th { border-color: var(--ink); background: color-mix(in srgb, var(--ink) 7%, var(--paper)); font-weight: 700; }
.article-body code { padding: .1rem .4rem; border: 1px solid var(--ink); border-radius: .2rem; background: var(--ink); color: var(--paper); font: .9em/1.5 var(--mono); }
.article-body pre { margin: 0 0 1.5rem; padding: 1.25rem; overflow-x: auto; border: 1px solid var(--ink); border-radius: .2rem; background: var(--ink); color: var(--paper); font: .9rem/1.7 var(--mono); white-space: pre; }
.article-body pre code { padding: 0; border: 0; border-radius: 0; background: transparent; color: inherit; font: inherit; }
.article-body .article-tree { margin: 0; padding: 0; list-style: none; }
.article-tree { font-family: var(--mono); }
.article-tree > li + li { margin-top: 1.5rem; }
.article-body .article-tree ul { position: relative; margin: .5rem 0 0; padding: 0 0 0 1.75rem; list-style: none; }
.article-tree ul::before { content: ''; position: absolute; top: 0; bottom: 1em; left: .5rem; border-left: 1px solid var(--ink); }
.article-tree ul > li { position: relative; padding: .15rem 0 .15rem .75rem; }
.article-tree ul > li::before { content: ''; position: absolute; top: 1em; left: -1.25rem; width: 1.25rem; border-top: 1px solid var(--ink); }
.article-body details { margin-top: 2rem; padding-block: 1rem; border-block: 1px solid var(--line); }
.article-body summary { cursor: pointer; font-weight: 700; }
.article-back { margin-top: 1rem; }
.not-found { min-height: calc(100vh - 176px); }
.not-found-actions { display: flex; flex-wrap: wrap; gap: 1rem 2rem; margin-top: 1rem; }
.policy-projects { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 24rem), 1fr)); gap: 2rem; margin-top: 4rem; }
.policy-project { padding: clamp(1.5rem, 4vw, 2.5rem); border: 1px solid var(--ink); }
.policy-project h2 { margin-bottom: 1rem; font-size: clamp(2rem, 4vw, 3.5rem); }
.policy-project > p:not(.policy-type) { max-width: 32rem; color: var(--muted); }
.policy-type { margin-top: 0; text-transform: uppercase; letter-spacing: .1em; font-size: .72rem; font-weight: 700; }
.policy-list { margin: 2rem 0 0; padding: 0; list-style: none; border-top: 1px solid var(--ink); }
.policy-list a { display: flex; align-items: center; gap: .75rem; padding: 1.25rem 0; border-bottom: 1px solid var(--line); font-family: var(--serif); font-size: clamp(1.35rem, 3vw, 2rem); text-decoration: none; word-break: keep-all; }
.policy-list a::before { margin-right: 0; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

/* Mobile: 640px and below */
@media (max-width: 640px) {
  :root { --section-inset: 1.5rem; }
  .site-header {
    display: grid;
    grid-template-columns: 1fr;
    gap: .35rem;
    padding-block: 1rem .5rem;
  }
  nav { display: flex; width: 100%; flex-wrap: wrap; justify-content: flex-start; gap: 0 .5rem; font-size: .72rem; }
  nav a { display: inline-flex; min-height: 44px; align-items: center; }
  .language-link { margin-left: 0; padding-left: .65rem; }
  .hero { min-height: 690px; }
  .hero::before { right: -9rem; bottom: -2rem; width: 24rem; opacity: .04; }
  .hero h1 { margin-top: 8rem; }
  .post-list a { grid-template-columns: auto 1fr; gap: .75rem 1rem; }
  .post-list a::before { grid-row: 1 / span 2; }
  .post-list time,
  .post-list a > span { grid-column: 2; }
  .orbit { top: 7rem; right: 0; width: 6.5rem; }
  .about, .journal, .home-music { grid-template-columns: 1fr; gap: 1.5rem; }
  .home-music { padding-block: 3rem; }
  .music-note { right: -3.5rem; font-size: 24rem; }
  .home-music-index { margin-top: 1.5rem; }
  .section-heading { display: block; }
  .journal-halftone { right: 1rem; bottom: 1rem; width: 14rem; }
  .app-item { grid-template-columns: 3rem 1fr; }
  .app-item .status { grid-column: 2; justify-self: start; }
  .music-video { height: max(200px, calc(56.25vw - 18px)); aspect-ratio: auto; }
  footer { grid-template-columns: 1fr; }
  footer div { flex-wrap: wrap; }
  .footer-note { text-align: left; }
}

/* Tablet: over 640px through 1280px */
@media (min-width: 641px) and (max-width: 1280px) {
  :root { --page-gutters: 4rem; --section-inset: clamp(3rem, 6vw, 5rem); }
  nav { gap: clamp(1rem, 2.5vw, 2rem); }
  nav a { display: inline-flex; min-height: 44px; align-items: center; }
  .hero { min-height: min(720px, calc(100vh - 82px)); }
  .orbit { right: 0; }
  .home-music { grid-template-columns: minmax(7rem, .75fr) 3fr; padding-block: clamp(3rem, 6vw, 5rem); }
}

/* PC: over 1280px */
@media (min-width: 1281px) {
  :root { --page-gutters: 6rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    transition-duration: .01ms !important;
  }
  .hero::before { opacity: .045 !important; }
  .music-note { transform: translateY(-47%) rotate(10deg) !important; }
}

@media (prefers-contrast: more) {
  :root { --muted: var(--ink); --line: var(--ink); }
}

@media (forced-colors: active) {
  .brand-mark circle { fill: ButtonText; }
  .brand-mark g { fill: ButtonFace; stroke: ButtonFace; }
  main a::before,
  footer a::before,
  .consent-dialog a::before,
  [data-analytics-settings]::before { background: LinkText; }
}