/* iYoung main styles — DESIGN.md tokens 1:1 */

/* ---------- Fonts (self-host) ---------- */
@font-face {
  font-family: "Pretendard";
  src: url("../fonts/Pretendard-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0100-024F, U+2000-206F, U+3000-303F, U+3130-318F, U+AC00-D7A3, U+FF00-FFEF;
}
@font-face {
  font-family: "Pretendard";
  src: url("../fonts/Pretendard-SemiBold.woff2") format("woff2");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0100-024F, U+2000-206F, U+3000-303F, U+3130-318F, U+AC00-D7A3, U+FF00-FFEF;
}
@font-face {
  font-family: "Pretendard";
  src: url("../fonts/Pretendard-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0100-024F, U+2000-206F, U+3000-303F, U+3130-318F, U+AC00-D7A3, U+FF00-FFEF;
}
@font-face {
  font-family: "Archivo";
  src: url("../fonts/Archivo-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Archivo";
  src: url("../fonts/Archivo-Medium.woff2") format("woff2");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Archivo";
  src: url("../fonts/Archivo-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* Intro-phase font-display:block via class on html */
html.iy-intro-active {
  font-display: block; /* no-op on html; faces already loaded first paint via block preload ideally */
}

/* ---------- Tokens ---------- */
:root {
  --ink: #0d0c0f;
  --surface: #13151a;
  --accent: #00c2d1;
  --surface-raised: #1b1e25;
  --rule: #272b34;
  --text: #f2f3f5;
  --text-muted: #9aa1ad;
  --text-faint: #5f6773;
  --accent-dim: #00808a;
  --on-accent: #04121a;
  --success: #2f9e7a;
  --error: #e0555b;

  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 8px;
  --radius-pill: 999px;

  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;
  --space-4xl: 96px;

  --container: 1280px;
  /* 컨테이너 좌우 패딩. alignfull 전체폭 계산이 이 값을 그대로 참조하므로
     둘이 어긋나면 전체폭 이미지가 몇 px 씩 밀린다 (실측 확인). */
  --container-pad: 24px;
  --font-ko: "Pretendard", system-ui, -apple-system, sans-serif;
  --font-en: "Archivo", "Pretendard", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-ko);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

.iy-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 10000;
  padding: var(--space-sm) var(--space-md);
  background: var(--accent);
  color: var(--on-accent);
}
.iy-skip:focus {
  left: var(--space-md);
  top: var(--space-md);
}

.iy-container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.iy-section {
  padding-block: var(--space-3xl);
}

.iy-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.iy-section__label {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 var(--space-sm);
}

.iy-section__title {
  font-family: var(--font-ko);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0;
  word-break: keep-all;
  text-wrap: pretty;
}

.iy-section__more {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 2px;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}
.iy-section__more:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Type scale helpers */
.iy-display {
  font-family: var(--font-en);
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0;
}
.iy-h1 {
  font-family: var(--font-ko);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1.10;
  letter-spacing: -0.02em;
  margin: 0;
  word-break: keep-all;
  text-wrap: pretty;
}
.iy-h2 {
  font-family: var(--font-ko);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0;
  word-break: keep-all;
  text-wrap: pretty;
}
.iy-h3 {
  font-family: var(--font-ko);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0;
  word-break: keep-all;
  text-wrap: pretty;
}
.iy-body-sm {
  font-size: 0.875rem;
  line-height: 1.6;
}
.iy-meta {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

/* ---------- Header ---------- */
.iy-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--ink) 92%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}

.iy-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: var(--space-md);
}

.iy-logo {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--text);
  transition: color 180ms ease-out;
}
.iy-logo:hover {
  color: var(--accent);
}

.iy-nav {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.iy-nav a {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-block: var(--space-sm);
  border-bottom: 2px solid transparent;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}
.iy-nav a:hover,
.iy-nav a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.iy-nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  padding: 0;
}
.iy-nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  position: relative;
}
.iy-nav-toggle__bar::before,
.iy-nav-toggle__bar::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 180ms ease-out, top 180ms ease-out;
}
.iy-nav-toggle__bar::before { top: -6px; }
.iy-nav-toggle__bar::after { top: 6px; }

/* Fullscreen mobile menu */
.iy-nav-panel {
  display: none;
}

/* ---------- Hero ---------- */
.iy-hero {
  padding-block: var(--space-4xl) var(--space-3xl);
  border-bottom: 1px solid var(--rule);
  overflow-x: clip;
}
.iy-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(200px, 320px);
  align-items: center;
  gap: var(--space-2xl) var(--space-3xl);
}
.iy-hero__copy {
  min-width: 0;
}
.iy-hero__brand {
  font-family: var(--font-en);
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-md);
}
.iy-hero__tag {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--text-muted);
  margin: 0 0 var(--space-xl);
  max-width: 36ch;
  word-break: keep-all;
  text-wrap: pretty;
}
.iy-hero__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 24px;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: background-color 180ms ease-out, transform 120ms ease-out;
}
.iy-hero__cta:hover {
  background: var(--accent-dim);
  color: var(--on-accent);
}
.iy-hero__cta:active {
  transform: scale(0.98);
}

/* Static cut-frame anchor (intro motif at rest — never animates here). */
.iy-hero__visual {
  justify-self: end;
  width: min(100%, 280px);
  pointer-events: none;
  user-select: none;
}
.iy-hero__frames {
  display: block;
  width: 100%;
  height: auto;
  color: var(--rule);
  opacity: 0.95;
}
.iy-hero__frame {
  fill: var(--surface);
  fill-opacity: 0.55;
}
.iy-hero__accent-line {
  /* stroke set in SVG; keep static */
}

/* ---------- Frame cards ---------- */
.iy-grid {
  display: grid;
  gap: var(--space-lg);
}
.iy-grid--webtoon {
  grid-template-columns: repeat(4, 1fr);
}
.iy-grid--pub {
  grid-template-columns: repeat(4, 1fr);
}
.iy-grid--news {
  grid-template-columns: repeat(2, 1fr);
}

.iy-frame {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: transform 180ms ease-out, border-color 180ms ease-out;
}
.iy-frame:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.iy-frame--static:hover {
  border-color: var(--rule);
  transform: none;
}
.iy-frame__link {
  display: block;
  color: inherit;
}
.iy-frame__link:hover {
  color: inherit;
}
.iy-frame__media {
  background: var(--surface-raised);
  overflow: hidden;
}
.iy-frame__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.iy-frame__caption {
  padding: var(--space-md);
}
.iy-frame__title {
  font-family: var(--font-ko);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-xs);
  word-break: keep-all;
  text-wrap: pretty;
}
.iy-frame__meta {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0;
}

/* ---------- Link buttons ---------- */
.iy-linkbtns {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}
.iy-linkbtn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 14px 24px;
  border-radius: var(--radius-md);
  font-weight: 600;
  transition: background-color 180ms ease-out, color 180ms ease-out, border-color 180ms ease-out, transform 120ms ease-out;
}
.iy-linkbtn:active {
  transform: scale(0.98);
}
.iy-linkbtn--primary {
  background: var(--accent);
  color: var(--on-accent);
  border: 1px solid var(--accent);
}
.iy-linkbtn--primary:hover {
  background: var(--accent-dim);
  border-color: var(--accent-dim);
  color: var(--on-accent);
}
.iy-linkbtn--secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}
.iy-linkbtn--secondary:hover {
  background: var(--surface-raised);
  color: var(--accent);
}

/* ---------- Filter tabs ---------- */
.iy-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--rule);
  padding-bottom: 0;
}
.iy-filter__tab {
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: var(--space-sm) 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}
.iy-filter__tab:hover {
  color: var(--text);
}
.iy-filter__tab[aria-current="true"],
.iy-filter__tab.is-active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* News list crossfade container */
[data-iy-news-list] {
  transition: opacity 120ms ease-out;
}
[data-iy-news-list].is-fading {
  opacity: 0;
}

/* ---------- Pinned ---------- */
.iy-pinned-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}
.iy-pinned {
  position: relative;
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  background: var(--surface);
  overflow: hidden;
  transition: transform 180ms ease-out, border-color 180ms ease-out;
}
.iy-pinned:hover {
  transform: translateY(-2px);
}
.iy-pinned__link {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: var(--space-md);
  color: inherit;
}
.iy-pinned__link:hover {
  color: inherit;
}
.iy-pinned__media {
  aspect-ratio: 145 / 200;
  background: var(--surface-raised);
}
.iy-pinned__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.iy-pinned__body {
  padding: var(--space-md) var(--space-md) var(--space-md) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.iy-pinned__badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-en);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 4px 8px;
  margin-bottom: var(--space-sm);
}
.iy-pinned__title {
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.12;
  margin: 0 0 var(--space-xs);
  word-break: keep-all;
  text-wrap: pretty;
}
.iy-pinned__meta {
  margin: 0;
  color: var(--text-muted);
  font-family: var(--font-en);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
}

/* ---------- Pagination ---------- */
.iy-pagination {
  margin-top: var(--space-2xl);
}
.iy-pagination__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  list-style: none;
  margin: 0;
  padding: 0;
  justify-content: center;
}
.iy-pagination__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  min-height: 40px;
  padding: 0 var(--space-sm);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  font-family: var(--font-en);
  font-size: 0.8125rem;
  color: var(--text-muted);
  transition: color 180ms ease-out, border-color 180ms ease-out, background-color 180ms ease-out;
}
.iy-pagination__link:hover {
  color: var(--text);
  border-color: var(--text-faint);
}
.iy-pagination__link.is-current {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
}

/* ---------- WHAT WE DO / JOIN US ---------- */
.iy-what {
  border-block: 1px solid var(--rule);
  background: var(--surface);
}
.iy-what__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}
.iy-what__item {
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: var(--space-xl);
  background: var(--ink);
}
.iy-what__item h3 {
  margin: 0 0 var(--space-sm);
}
.iy-what__item p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.iy-join {
  text-align: center;
  padding-block: var(--space-3xl);
}
.iy-join__title {
  margin: 0 0 var(--space-md);
}
.iy-join__text {
  color: var(--text-muted);
  margin: 0 0 var(--space-xl);
  word-break: keep-all;
}

/* ---------- ABOUT ---------- */
.iy-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  margin-block: var(--space-2xl);
}
.iy-metric {
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: var(--space-xl);
  background: var(--surface);
}
.iy-metric__value {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-sm);
}
.iy-metric__label {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.iy-map {
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  background: var(--surface);
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  padding: var(--space-xl);
  text-align: center;
}

/* ---------- Single story ---------- */
.iy-single__header {
  padding-block: var(--space-2xl) var(--space-xl);
  border-bottom: 1px solid var(--rule);
}
.iy-single__thumb {
  max-width: 320px;
  margin-bottom: var(--space-xl);
  aspect-ratio: 145 / 200;
  overflow: hidden;
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
}
.iy-single__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.iy-single__meta {
  margin: var(--space-sm) 0 0;
  color: var(--text-muted);
  font-family: var(--font-en);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
}
.iy-single__content {
  padding-block: var(--space-2xl);
  max-width: 720px;
}
/*
 * 전체폭(alignfull) 이미지.
 *
 * calc(50% - 50vw) 는 부모가 뷰포트 가운데 있을 때만 맞는 공식이다.
 * .iy-single__content 는 720px 로 .iy-container 안에서 **좌측 정렬**이라
 * 그 공식을 쓰면 이미지가 왼쪽으로 밀려 나간다 (1440 뷰포트 실측: left -256px,
 * 왼쪽 256px 잘리고 오른쪽에 같은 크기 빈 공간).
 *
 * 부모 위치에 기대지 말고 컨테이너의 실제 좌측 오프셋만큼만 당긴다.
 * 오프셋 = 뷰포트가 컨테이너보다 넓으면 (100vw - container)/2 + 좌우 패딩, 아니면 패딩.
 */
.iy-single__content .alignfull {
  max-width: none;
  width: 100vw;
  margin-left: calc(-1 * max(var(--container-pad), (100vw - var(--container)) / 2 + var(--container-pad)));
  margin-right: 0;
}
.iy-single__content .wp-block-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}
.iy-single__content p {
  margin: 0 0 var(--space-md);
}
.iy-single__content figcaption {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-top: var(--space-xs);
}

/* ---------- Footer ---------- */
.iy-footer {
  border-top: 1px solid var(--rule);
  padding-block: var(--space-2xl);
  color: var(--text-muted);
  font-size: 0.875rem;
}
.iy-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-md);
}
.iy-footer a {
  color: var(--text-muted);
  border-bottom: 1px solid transparent;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}
.iy-footer a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- Pilot guide ---------- */
.iy-guide-card {
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: var(--space-xl);
  margin-bottom: var(--space-lg);
}
.iy-guide-card h2 {
  margin: 0 0 var(--space-md);
}
.iy-guide-card ul {
  margin: 0;
  padding-left: 1.25rem;
}
.iy-guide-card li {
  margin-bottom: var(--space-sm);
}
.iy-demo-creds {
  font-family: var(--font-en);
  background: var(--ink);
  border: 1px solid var(--rule);
  border-radius: var(--radius-sm);
  padding: var(--space-md);
  margin: var(--space-md) 0 var(--space-lg);
}
.iy-demo-creds code {
  color: var(--accent);
}

.iy-page-head {
  padding-block: var(--space-2xl) var(--space-lg);
  border-bottom: 1px solid var(--rule);
  margin-bottom: var(--space-2xl);
}

.iy-empty {
  color: var(--text-muted);
  padding: var(--space-2xl) 0;
}

/* ---------- Single breakpoint ---------- */
@media (max-width: 859.98px) {
  :root {
    --container-pad: 20px;
  }
  .iy-container {
    padding-inline: var(--container-pad);
  }

  .iy-display,
  .iy-hero__brand {
    font-size: 2.75rem;
  }
  .iy-h1 {
    font-size: 1.75rem;
  }
  .iy-h2,
  .iy-section__title {
    font-size: 1.375rem;
  }
  .iy-h3,
  .iy-frame__title {
    font-size: 1.125rem;
  }

  .iy-nav-toggle {
    display: inline-flex;
  }

  .iy-nav-desktop {
    display: none;
  }

  .iy-nav-panel {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 200;
    background: var(--ink);
    padding: var(--space-3xl) var(--space-lg) var(--space-xl);
    flex-direction: column;
  }
  .iy-nav-panel.is-open {
    display: flex;
  }
  .iy-nav-panel__close {
    align-self: flex-end;
    width: 44px;
    height: 44px;
    border: 1px solid var(--rule);
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text);
    cursor: pointer;
    margin-bottom: var(--space-xl);
  }
  .iy-nav-panel .iy-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-lg);
  }
  .iy-nav-panel .iy-nav a {
    font-size: 1.25rem;
    letter-spacing: 0.04em;
  }

  .iy-grid--webtoon,
  .iy-grid--pub {
    grid-template-columns: repeat(2, 1fr);
  }
  .iy-grid--news,
  .iy-pinned-list {
    grid-template-columns: 1fr;
  }
  .iy-what__grid {
    grid-template-columns: 1fr;
  }
  .iy-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .iy-single__content .wp-block-columns {
    grid-template-columns: 1fr;
  }
  .iy-pinned__link {
    grid-template-columns: 96px 1fr;
  }
  .iy-section {
    padding-block: var(--space-2xl);
  }
  .iy-hero {
    padding-block: var(--space-3xl) var(--space-2xl);
  }
  .iy-hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  /* Hide right-side anchor under 860px to avoid horizontal overflow. */
  .iy-hero__visual {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .iy-frame,
  .iy-frame:hover,
  .iy-pinned,
  .iy-linkbtn,
  .iy-hero__cta,
  [data-iy-news-list] {
    transition: none;
  }
  .iy-frame:hover,
  .iy-pinned:hover {
    transform: none;
  }
}