/* Self-hosted Inter, latin subset only. KO/JA fall through to the system stack
   (Apple SD Gothic Neo / Hiragino) rather than shipping a CJK payload. */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url("/fonts/Inter-400.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+2190-2193, U+2212, U+2215;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url("/fonts/Inter-500.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+2190-2193, U+2212, U+2215;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url("/fonts/Inter-600.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+2190-2193, U+2212, U+2215;
}

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url("/fonts/Inter-700.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+2190-2193, U+2212, U+2215;
}

:root {
  color-scheme: dark;

  /* 다크 전용이다. obsidian.md처럼 라이트 브랜치를 두지 않는 대신,
     위계를 색이 아니라 밝기 3단(text / dim / faint)으로만 만든다. */
  --bg: #141414;
  --bg-card: #1c1c1a;
  --text: #F7F7F5;
  --text-dim: #a3a39e;
  --text-faint: #87877f;   /* 카드 위 4.72:1 AA */
  --border: #2a2a27;

  /* Neon Green. 채움색이지 텍스트색이 아니지만, 배경이 항상 #141414라
     다크에서는 둘 다 된다(11.26:1 AAA). 그래도 채움 위 글자는 잉크다. */
  --accent: #00E6A1;
  --accent-fill: #00E6A1;
  --accent-on-fill: #141414;
  --accent-soft: #00E6A114;

  /* 위험 온도차 전용. 네온(--accent)은 CTA/브랜드 액센트에만 쓰고, 문제 신호의
     심각도는 여기 red/amber로 표현한다 — 초록이 "문제"에 붙으면 CTA 신호가 흐려진다. */
  --danger-fill: #C2181B;   /* 강한 신호 칩 채움. 흰 글자 대비 6.1:1 AA */
  --danger-on-fill: #FFFFFF;
  --amber: #F0A93B;         /* 중간 신호 외곽선/글자. #1c1c1a 위 AA */

  --body-font: Inter, Pretendard, "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono-font: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

  /* 목업 크롬은 페이지보다 한 단 밝다 — 창이 페이지 위에 떠 있게 보이려면
     같은 색이면 안 된다. */
  --mock-bg: #1c1c1a;
  --mock-chrome: #232320;
  --mock-border: #33332e;
  --mock-text: #dadad6;
  --mock-dim: #8e8e88;
  --mock-faint: #63635e;
  --mock-accent: #00E6A1;

  --grain-blend: screen;
  --grain-opacity: 0.35;
  --header-height: 64px;
  --header-border: 1px;
}

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

html {
  background: var(--bg);
  color: var(--text);
  font-family: var(--body-font);
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 16px);
  text-wrap: pretty;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.6;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--accent);
  text-underline-offset: 4px;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

[hidden] {
  display: none !important;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.16;
}

:lang(ko) { word-break: keep-all; }
:lang(ko) h1, :lang(ko) h2, :lang(ko) h3 { word-break: keep-all; overflow-wrap: anywhere; }

h1 {
  margin-bottom: 24px;
  font-size: clamp(38px, 11vw, 60px);
  font-weight: 700;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(30px, 4.4vw, 44px);
  font-weight: 600;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

h3 {
  margin-bottom: 12px;
  font-size: 18px;
}

code {
  font-family: var(--mono-font);
}

.shell {
  width: min(100% - 48px, 720px);
  margin-inline: auto;
}

/* Single wide container, Obsidian-style: one width for every band. */
.wide-shell {
  width: min(90%, 1080px);
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--accent-fill);
  color: var(--accent-on-fill);
  transform: translateY(-160%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: var(--header-height);
  border-bottom: var(--header-border) solid transparent;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--border);
}

.site-header-inner {
  display: flex;
  width: min(90%, 1080px);
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-inline: auto;
}

.wordmark {
  color: var(--text);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
}

.primary-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.text-nav {
  min-height: 44px;
  padding: 10px 4px;
  color: var(--text-dim);
  text-decoration: none;
}

.text-nav[aria-current="page"] {
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--accent);
}

.icon-link {
  display: inline-grid;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.icon-link:hover,
.icon-text-button:hover {
  background: var(--accent-soft);
}

.icon-link svg {
  width: 22px;
  height: 22px;
}

.mobile-menu-toggle {
  display: none;
}

.mobile-menu {
  display: none;
}

.language-picker {
  position: relative;
}

.icon-text-button {
  min-height: 44px;
  padding: 8px 12px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.language-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 152px;
  padding: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
}

.language-menu a {
  display: block;
  min-height: 44px;
  padding: 9px 12px;
  border-radius: 8px;
  color: var(--text);
  text-decoration: none;
}

.language-menu a:hover,
.language-menu a[aria-current="page"] {
  background: var(--accent-soft);
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
  gap: 48px;
  align-items: center;
  min-height: 620px;
  padding-block: 96px;
  overflow: hidden;
}

.hero-copy,
.hero-commands,
.trust-line {
  position: relative;
  z-index: 1;
}

.hero-copy h1 {
  max-width: 680px;
}

.eyebrow,
.section-label {
  margin-bottom: 12px;
  color: var(--text-faint);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero-subline {
  max-width: 38ch;
  margin-bottom: 0;
  color: var(--text-dim);
  font-size: clamp(19px, 2.2vw, 26px);
  line-height: 1.4;
  text-wrap: pretty;
}

.spiral {
  position: absolute;
  top: 16px;
  right: 0;
  width: min(44vw, 420px);
  color: var(--accent);
  pointer-events: none;
}

/* 트랙(나선 선)만 은은하게 — 캐릭터는 svg 전체 opacity에 안 눌리게 분리 */
.spiral .spiral-track {
  opacity: 0.18;
}

/* 조개 캐릭터: animateMotion(SMIL)이 나선 패스를 타고 돌고,
   글리치는 안쪽 g에 CSS로 얹는다(모션 transform과 충돌 방지용 중첩). */
.spiral .crawler {
  color: var(--accent);
}

.spiral .crawler .shell-body {
  fill: var(--bg);
}

.spiral .crawler-main {
  opacity: 0.9;
}

.spiral .crawler-main .crawler-inner {
  animation: crawler-glitch 12s steps(1, end) infinite;
}

@keyframes crawler-glitch {
  0% { transform: none; opacity: 1; }
  18% { transform: translate(2px, -1.5px) skewX(10deg); }
  18.5% { transform: translate(-1.5px, 1px); }
  19% { transform: none; }
  42% { transform: translate(-2px, 0); opacity: 0.35; }
  42.4% { transform: none; opacity: 1; }
  67% { transform: translate(1.5px, 1.5px) skewX(-8deg); }
  67.5% { transform: none; }
  /* 루프 점프(중심→바깥 순간이동)를 글리치 텔레포트처럼 읽히게 마지막에 강한 버스트 */
  96% { transform: translate(2.5px, -1px) skewX(14deg); opacity: 0.25; }
  97.2% { transform: translate(-2px, 1px); opacity: 0.8; }
  98.4% { transform: none; opacity: 0.3; }
  100% { transform: none; opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .spiral .crawler {
    display: none;
  }
}

.command-block {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
}

.command-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 52px;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.command-row code {
  min-width: 0;
  padding: 12px 16px;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 14px;
}

.copy-button,
.secondary-button {
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
}

.command-row .copy-button {
  margin-right: 4px;
}

.copy-button:hover,
.secondary-button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* 채움형(primary) 복사 버튼엔 아웃라인용 hover 색을 먹이면 글자가 배경에 묻힌다. */
.primary-button.copy-button:hover {
  color: var(--accent-on-fill);
}

.copy-status {
  grid-column: 1 / -1;
  min-height: 0;
  padding-inline: 16px;
  color: var(--text-faint);
  font-size: 14px;
}

.copy-status:not(:empty) {
  min-height: 36px;
  padding-block: 4px 8px;
}

.copy-all-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
  padding: 8px;
}

.copy-all-row .copy-status {
  flex-basis: 100%;
}

.trust-line {
  grid-column: 1 / -1;
  margin: -24px 0 0;
  color: var(--text-dim);
  font-size: 14px;
}

.creed-banner {
  background: var(--accent-soft);
}

.creed-inner {
  display: flex;
  min-height: 176px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  padding-block: 32px;
}

.creed-inner h2,
.manifesto-lead h1 {
  margin-bottom: 8px;
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 700;
}

.creed-inner p,
.creed-translation {
  margin-bottom: 0;
  color: var(--text-dim);
  font-size: 18px;
}

.creed-inner > a {
  flex: 0 0 auto;
}

.section {
  padding-block: 88px;
}

.section + .section {
  border-top: 1px solid var(--border);
}

.section-intro {
  max-width: 46ch;
  margin-bottom: 40px;
  color: var(--text-dim);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.45;
}

.boundary-grid,
.card-grid,
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.boundary-card,
.card,
.review-card,
.empty-card,
.conversation,
.community-block,
.fact-example {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
}

.boundary-card,
.card,
.review-card,
.community-block {
  padding: 24px;
}

.boundary-card ul {
  margin: 0 0 16px;
  padding-left: 20px;
  color: var(--text-dim);
}

.boundary-card li + li {
  margin-top: 8px;
}

.card p,
.review-card p,
.community-block p {
  color: var(--text-dim);
}

.verify-command {
  display: block;
  margin-block: 20px 16px;
  padding: 12px;
  border-radius: 8px;
  background: var(--accent-soft);
  overflow-wrap: anywhere;
  color: var(--text);
}

.plain-link,
.formula-link {
  display: inline-block;
}

.fact-example {
  margin-top: 16px;
  padding: 24px;
}

.fact-example > p {
  color: var(--text-dim);
}

.fact-example dl {
  margin: 0;
}

.fact-example dl > div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 16px;
  padding-block: 8px;
  border-top: 1px solid var(--border);
}

.fact-example dt,
.fact-example dd {
  margin: 0;
  overflow-wrap: anywhere;
}

html[lang="ko"] .fact-example dd code,
html[lang="ja"] .fact-example dd code {
  font-family: var(--body-font);
}

.conversation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.conversation {
  padding: 24px;
}

.conversation p {
  padding: 12px;
  border-left: 2px solid var(--border);
  color: var(--text-dim);
}

.conversation p:last-child {
  margin-bottom: 0;
}

.conversation .added {
  border-left-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
}

.empty-card {
  display: flex;
  min-height: 160px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 16px;
  padding: 24px;
  text-align: center;
}

.empty-card p {
  margin-bottom: 0;
  color: var(--text-dim);
}

.empty-card code,
.test-block > code {
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--accent-soft);
}

.review-type {
  margin-bottom: 8px;
  color: var(--accent) !important;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.review-note {
  margin-bottom: 0;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.formula-link {
  margin-top: 24px;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 16px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

tr:last-child > th,
tr:last-child > td {
  border-bottom: 0;
}

thead th {
  color: var(--text-faint);
  font-size: 14px;
}

tbody th {
  font-weight: 600;
}

.community-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.community-block .secondary-button {
  display: inline-flex;
  align-items: center;
  color: var(--text);
  text-decoration: none;
}

.site-footer {
  display: flex;
  min-height: 152px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--border);
  color: var(--text-dim);
}

.site-footer > div,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.subpage {
  padding-block: 80px 112px;
}

.spread-lead {
  max-width: 720px;
  padding-block: 32px 48px;
}

.spread-lead .section-intro {
  margin-bottom: 0;
}

.spread-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 48px;
}

.spread-stats article {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
}

.spread-stats strong {
  color: var(--accent);
  font-size: clamp(32px, 5vw, 48px);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
}

.spread-stats span {
  color: var(--text-dim);
  font-size: 14px;
}

.spread-board {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-card);
}

.spread-board-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--border);
}

.spread-board-head h2 {
  margin-bottom: 16px;
  font-size: clamp(24px, 3vw, 32px);
}

.spread-board-head p,
.spread-empty {
  color: var(--text-dim);
  font-size: 14px;
}

.spread-list {
  display: grid;
  gap: 4px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.spread-row {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) auto minmax(120px, 2fr);
  align-items: center;
  gap: 16px;
  min-height: 48px;
}

.spread-country {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.spread-flag {
  flex: 0 0 auto;
  font-size: 22px;
  line-height: 1;
}

.spread-country span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.spread-count {
  font-variant-numeric: tabular-nums;
}

.spread-bar {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--border);
}

.spread-bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}

.spread-trust-line {
  margin-top: 28px;
}

.subpage-lead,
.manifesto-lead {
  padding-block: 48px 72px;
}

.subpage-lead > p:last-child {
  max-width: 640px;
  margin-bottom: 0;
  color: var(--text-dim);
  font-size: 18px;
}

.manifesto-lead {
  text-align: center;
}

.essay {
  padding-block: 32px;
}

.essay h2 {
  font-size: clamp(28px, 4vw, 44px);
}

.essay p {
  color: var(--text-dim);
  font-size: 18px;
}

.install-commands {
  max-width: 640px;
}

.small-note {
  margin-top: 16px;
  color: var(--text-faint);
  font-size: 14px;
}

.test-block > p {
  margin-top: 20px;
  color: var(--text-dim);
}

.help-block {
  padding-bottom: 0;
}

.faq-list {
  border-top: 1px solid var(--border);
}

.faq-list details {
  border-bottom: 1px solid var(--border);
}

.faq-list summary {
  min-height: 64px;
  padding: 20px 40px 20px 0;
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
}

.faq-list details p {
  padding: 0 40px 24px 0;
  color: var(--text-dim);
}

.share-body {
  height: 100dvh;
  overflow: hidden;
}

.share-page {
  display: grid;
  grid-template-columns: 65fr 35fr;
  /* header total height = --header-height + --header-border (border-bottom) */
  height: calc(100dvh - var(--header-height) - var(--header-border));
}

.share-result-panel,
.share-turn-panel {
  display: grid;
  min-width: 0;
  place-items: center;
  padding: clamp(24px, 5vw, 72px);
}

.share-result-panel {
  background: var(--accent-soft);
}

.share-empty,
.share-result {
  width: min(100%, 640px);
}

.share-result {
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
}

.share-result h1,
.share-empty h1 {
  font-size: clamp(28px, 4vw, 48px);
}

.score-line {
  display: flex;
  align-items: baseline;
  margin-block: 24px;
  color: var(--accent);
}

.score-line strong {
  font-size: clamp(56px, 9vw, 112px);
  line-height: 1;
}

.score-line span {
  font-size: 20px;
}

.share-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--border);
}

.share-metrics > div {
  padding: 16px;
  background: var(--bg-card);
}

.share-metrics dt {
  color: var(--text-dim);
  font-size: 14px;
}

.share-metrics dd {
  margin: 4px 0 0;
  font-size: 24px;
  font-weight: 700;
}

.share-note {
  margin: 20px 0 0;
  color: var(--text-dim);
  font-size: 14px;
}

.share-turn-panel {
  border-left: 1px solid var(--border);
}

.share-turn-panel > div {
  width: min(100%, 420px);
}

.share-turn-panel > div > p:not(.section-label) {
  color: var(--text-dim);
}

.share-commands {
  margin-top: 24px;
}

@media (max-width: 800px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
    padding-block: 72px;
  }

  .hero-commands {
    max-width: 560px;
  }

  .trust-line {
    margin-top: -16px;
  }

  .boundary-grid,
  .card-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

  .share-page {
    grid-template-columns: 1fr;
    grid-template-rows: 3fr 2fr;
  }

  .share-result-panel,
  .share-turn-panel {
    padding: 16px 24px;
  }

  .share-turn-panel {
    border-top: 1px solid var(--border);
    border-left: 0;
  }

  .share-result {
    padding: 16px;
  }

  .share-result h1,
  .share-empty h1 {
    margin-bottom: 12px;
    font-size: 28px;
  }

  .score-line {
    margin-block: 8px;
  }

  .score-line strong {
    font-size: 52px;
  }

  .share-metrics > div {
    padding: 8px 12px;
  }

  .share-metrics dd {
    font-size: 18px;
  }

  .share-note {
    margin-top: 8px;
  }

  .share-turn-panel h2 {
    margin-bottom: 8px;
    font-size: 24px;
  }

  .share-turn-panel p {
    margin-bottom: 8px;
  }

  .share-commands {
    margin-top: 8px;
  }

  .share-commands .command-row {
    min-height: 44px;
  }

  .share-commands .copy-all-row,
  .share-commands .copy-status:not(:empty) {
    display: none;
  }
}

@media (max-width: 680px) {
  .shell,
  .wide-shell,
  .site-header-inner {
    width: min(100% - 32px, 960px);
  }

  .primary-links {
    gap: 0;
  }

  .primary-links .text-nav,
  .primary-links .icon-link {
    display: none;
  }

  .mobile-menu-toggle {
    display: inline-grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--text);
    cursor: pointer;
  }

  .mobile-menu-toggle:hover {
    background: var(--accent-soft);
  }

  .mobile-menu-toggle svg {
    width: 22px;
    height: 22px;
  }

  .mobile-menu:not([hidden]) {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: min(100% - 32px, 960px);
    margin-inline: auto;
    padding-block: 8px 16px;
  }

  .mobile-menu a {
    display: block;
    min-height: 44px;
    padding: 10px 12px;
    border-radius: 8px;
    color: var(--text-dim);
    font-size: 16px;
    text-decoration: none;
  }

  .mobile-menu a:hover,
  .mobile-menu a[aria-current="page"] {
    background: var(--accent-soft);
    color: var(--text);
  }

  .icon-text-button {
    max-width: 128px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .hero {
    gap: 32px;
    padding-block: 56px;
  }

  .spiral {
    width: 260px;
  }

  .creed-inner,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }

  .section {
    padding-block: 64px;
  }

  .conversation-grid,
  .community-grid {
    grid-template-columns: 1fr;
  }

  .fact-example dl > div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .subpage {
    padding-block: 48px 80px;
  }

  .spread-stats {
    gap: 8px;
    margin-bottom: 32px;
  }

  .spread-stats article,
  .spread-board {
    padding: 16px;
  }

  .spread-row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 12px;
    padding-block: 6px;
  }

  .spread-bar {
    grid-column: 1 / -1;
  }

  th,
  td {
    min-width: 144px;
    padding: 12px;
  }

  .command-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (max-width: 420px) {
  .share-body .site-header-inner {
    width: calc(100% - 24px);
  }

  .share-body .language-picker {
    display: none;
  }

  .spread-stats {
    grid-template-columns: 1fr;
  }

  .share-result-panel,
  .share-turn-panel {
    padding-inline: 16px;
  }

  .share-result .section-label,
  .share-note,
  .share-turn-panel .section-label {
    display: none;
  }

  .share-turn-panel > div > p:not(.section-label) {
    font-size: 14px;
  }

  .share-commands .command-row code {
    padding: 8px;
    font-size: 12px;
  }

  .share-commands .copy-button {
    min-height: 36px;
    padding: 4px 8px;
  }
}

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

.stats-strip { display: flex; flex-wrap: wrap; gap: 12px 28px; list-style: none; padding: 20px 0 0; margin: 0; }
.stats-strip li { display: flex; flex-direction: column; gap: 2px; }
.stats-strip strong { font-size: 22px; font-weight: 700; color: var(--accent); font-variant-numeric: tabular-nums; }
.stats-strip span { font-size: 13px; color: var(--text-dim); }

/* ---------------------------------------------------------------------------
   Obsidian-derived layer (2026-07-19). Three borrowed patterns, nautli tokens:
   1. masked film grain instead of a flat band
   2. cards as inset rings with a 1.2% hover lift
   3. a hand-built product window in the hero, not a screenshot
   --------------------------------------------------------------------------- */

.grain-surface {
  position: relative;
  isolation: isolate;
}

.grain-surface::before {
  position: absolute;
  z-index: -1;
  content: "";
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  background-size: 120px;
  mix-blend-mode: var(--grain-blend);
  opacity: var(--grain-opacity);
  mask-image: radial-gradient(ellipse closest-side at 72% 40%, rgba(0, 0, 0, 0.55), transparent 100% 140%);
  pointer-events: none;
}

/* Hero: copy column only. The product window gets its own full-bleed band. */
.hero {
  display: block;
  min-height: 0;
  padding-block: 64px 32px;
  overflow: visible;
}

.hero-copy {
  max-width: 42rem;
}

.hero-actions {
  margin-top: 28px;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}

.ghost-button {
  display: inline-block;
  min-height: 52px;
  padding: 14px 28px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
}

.hero-cta-note {
  margin: 0 0 18px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

.hero-actions .stats-strip {
  padding-top: 6px;
}

.hero-commands {
  position: relative;
  z-index: 1;
  width: min(100%, 420px);
}

.hero .trust-line {
  margin: 20px 0 0;
}

.hero .spiral {
  top: -40px;
  right: -32px;
}

.hero .spiral .spiral-track {
  opacity: 0.12;
}

/* Full-bleed product window band. */
.hero-mock-band {
  position: relative;
  padding-block: 24px 96px;
  overflow: hidden;
}

.mock-overflow {
  width: min(90%, 1080px);
  margin-inline: auto;
}

.app-window {
  width: 62rem;
  max-width: none;
  overflow: hidden;
  border: 1px solid var(--mock-border);
  border-radius: 12px;
  background: var(--mock-bg);
  box-shadow: 0 24px 60px -24px rgb(0 0 0 / 0.45);
  color: var(--mock-text);
  font-size: 13px;
  line-height: 1.45;
  user-select: none;
}

.app-titlebar {
  display: flex;
  min-height: 38px;
  align-items: stretch;
  border-bottom: 1px solid var(--mock-border);
  background: var(--mock-chrome);
}

.app-dots {
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  padding-inline: 14px;
}

.app-dots span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--mock-faint);
}

.app-dots span:first-child { background: #ff5f57; }
.app-dots span:nth-child(2) { background: #febc2e; }
.app-dots span:nth-child(3) { background: #28c840; }

.app-tabs {
  display: flex;
  align-items: stretch;
  border-left: 1px solid var(--mock-border);
}

.app-tab {
  display: flex;
  align-items: center;
  padding-inline: 16px;
  border-right: 1px solid var(--mock-border);
  color: var(--mock-faint);
  white-space: nowrap;
}

.app-tab.is-active {
  background: var(--mock-bg);
  color: var(--mock-text);
}

.app-body {
  display: grid;
  grid-template-columns: 184px minmax(0, 1fr);
  min-height: 340px;
}

.app-sidebar {
  padding: 14px 12px;
  border-right: 1px solid var(--mock-border);
  background: var(--mock-chrome);
}

.app-sidebar-label {
  margin: 0 0 6px;
  padding-inline: 8px;
  color: var(--mock-faint);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-scope + .app-sidebar-label {
  margin-top: 20px;
}

.app-scope {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  border-radius: 6px;
  color: var(--mock-dim);
  overflow-wrap: anywhere;
}

.app-scope.is-active {
  background: color-mix(in srgb, var(--mock-accent) 16%, transparent);
  color: var(--mock-text);
}

.app-scope::before {
  width: 5px;
  height: 5px;
  flex: 0 0 5px;
  border-radius: 50%;
  background: currentColor;
  content: "";
  opacity: 0.5;
}

.app-scope.is-active::before {
  background: var(--mock-accent);
  opacity: 1;
}

.app-main {
  min-width: 0;
  padding: 16px 20px 20px;
}

.app-main-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  color: var(--mock-faint);
  font-size: 12px;
}

.app-badge {
  padding: 2px 9px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--mock-accent) 18%, transparent);
  color: var(--mock-accent);
  font-weight: 600;
}

.app-review {
  padding: 16px;
  border: 1px solid color-mix(in srgb, var(--mock-accent) 35%, var(--mock-border));
  border-radius: 10px;
  background: color-mix(in srgb, var(--mock-accent) 7%, transparent);
}

.app-review-type {
  margin: 0 0 6px;
  color: var(--mock-accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.app-review-q {
  margin: 0 0 14px;
  color: var(--mock-text);
  font-size: 15px;
  font-weight: 600;
}

.app-review-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.app-review-pair > div {
  padding: 10px 12px;
  border: 1px solid var(--mock-border);
  border-radius: 8px;
  background: var(--mock-bg);
}

.app-review-pair code {
  display: block;
  margin-bottom: 4px;
  color: var(--mock-faint);
  font-size: 11px;
}

.app-review-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.app-chip {
  padding: 6px 12px;
  border: 1px solid var(--mock-border);
  border-radius: 7px;
  color: var(--mock-dim);
}

.app-chip.is-primary {
  border-color: transparent;
  background: var(--mock-accent);
  color: var(--accent-on-fill);
  font-weight: 600;
}

.app-fact-list {
  margin-top: 16px;
  border-top: 1px solid var(--mock-border);
}

.app-fact {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 16px;
  align-items: baseline;
  padding: 9px 2px;
  border-bottom: 1px solid var(--mock-border);
}

.app-fact:last-child {
  border-bottom: 0;
}

.app-fact span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.app-fact em {
  color: var(--mock-faint);
  font-size: 11px;
  font-style: normal;
  white-space: nowrap;
}

/* Cards: inset ring + measured hover lift. */
.boundary-card,
.card,
.review-card,
.community-block {
  transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.15s ease;
}

@media (hover: hover) and (pointer: fine) {
  .boundary-card:hover,
  .card:hover,
  .review-card:hover,
  .community-block:hover {
    transform: scale(1.012);
    border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
  }
}

@media (prefers-reduced-motion: reduce) {
  .boundary-card,
  .card,
  .review-card,
  .community-block {
    transition: none;
  }

  .boundary-card:hover,
  .card:hover,
  .review-card:hover,
  .community-block:hover {
    transform: none;
  }
}

@media (max-width: 900px) {
  .app-body {
    grid-template-columns: 1fr;
  }

  .app-sidebar {
    display: none;
  }

  .app-window {
    width: 44rem;
  }
}

@media (max-width: 680px) {
  .hero {
    padding-block: 48px 24px;
  }

  .hero-commands {
    width: 100%;
  }

  .hero-mock-band {
    padding-bottom: 64px;
  }

  .mock-overflow {
    width: calc(100% - 32px);
  }

  /* Still bleeds off the right edge, but the review question and the fact
     claims must stay readable: they are the message, not chrome. */
  .app-window {
    width: 25rem;
    font-size: 12px;
  }

  .app-review-q {
    font-size: 14px;
  }

  .app-review-pair {
    grid-template-columns: 1fr;
  }

  .app-fact {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .hero .spiral {
    top: -72px;
    right: -96px;
    width: 300px;
  }

  .hero .spiral .spiral-track {
    opacity: 0.09;
  }

  /* 모바일에선 나선이 헤드라인과 겹친다 — 캐릭터도 배경 데코 수준으로 톤 다운 */
  .hero .spiral .crawler {
    opacity: 0.4;
  }
}

/* --- 무료 진단 퍼널 --------------------------------------------------------
   히어로 바로 아래, 랜딩의 유일한 1차 전환 지점. 링크를 더 두지 않는다. */

.primary-button {
  display: inline-block;
  min-height: 52px;
  padding: 14px 28px;
  border: 0;
  border-radius: 8px;
  background: var(--accent-fill);
  color: var(--accent-on-fill);
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

@media (hover: hover) and (pointer: fine) {
  .primary-button:hover {
    transform: scale(1.02);
  }

  .ghost-button:hover {
    background: var(--accent-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  .primary-button {
    transition: none;
  }
  .primary-button:hover {
    transform: none;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.diagnose-band {
  border-block: 1px solid var(--border);
  background: var(--accent-soft);
}

.diagnose-band-inner {
  padding-block: 72px;
}

.diagnose-band-inner h2 {
  max-width: 20ch;
}

.diagnose-band-intro {
  max-width: 56ch;
  margin-bottom: 32px;
  color: var(--text-dim);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.45;
}

.diagnose-band-note {
  margin: 16px 0 0;
  color: var(--text-faint);
  font-size: 14px;
}

.diagnose-page [data-pane] {
  padding-block: 8px 24px;
}

.diagnose-page .small-note {
  max-width: 60ch;
  margin-top: 20px;
}

.diagnose-page .trust-line {
  margin-top: 20px;
}

.diagnose-page .primary-button {
  margin-top: 8px;
}

.dg-expect-label {
  margin: 20px 0 8px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

.dg-expect {
  display: grid;
  gap: 6px;
  margin: 0 0 20px;
  padding: 0;
  color: var(--text-dim);
  list-style: none;
}

.dg-expect li::before {
  margin-right: 8px;
  content: "·";
}

/* 결과: 맨 위는 점수가 아니라 신호 수다. */
.dg-eyebrow {
  margin-bottom: 8px;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* 프롬프트 본문은 화면에 없다 — 버튼 하나와 복사 후 안내만. */
.dg-prompt-hero .section-intro {
  margin-bottom: 28px;
}

.dg-prompt-box {
  margin: 0 0 28px;
}

/* 복사 확인은 아래 안내 패널이 담당한다 — 인라인 status는 스크린리더 전용. */
.dg-prompt-box .copy-status {
  position: absolute;
  overflow: hidden;
  clip: rect(0 0 0 0);
  width: 1px;
  height: 1px;
  white-space: nowrap;
}

.dg-copy-main {
  min-height: 56px;
  padding: 16px 30px;
  font-size: 17px;
}

.dg-copy-next {
  max-width: 56ch;
  margin: 14px 0 0;
  padding: 14px 18px;
  border: 1px solid var(--accent);
  border-radius: 10px;
  background: var(--bg-card);
  color: var(--text);
}

.dg-lede {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin-bottom: 12px;
}

.dg-lede strong {
  color: var(--accent);
  /* 숫자 쇼케이스가 아니라 문장의 주어다 — 문장과 경쟁하지 않는 크기로. */
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.dg-lede span {
  max-width: 34ch;
  color: var(--text);
  font-size: clamp(18px, 2vw, 22px);
}

.dg-lede .dg-lede-sub {
  /* 부모의 span max-width(34ch)가 남으면 가설 크기가 줄어 같은 줄에 끼어든다. */
  flex-basis: 100%;
  max-width: 100%;
  color: var(--text-dim);
  font-size: 15px;
}

.dg-meta,
.dg-warn,
.dg-clean {
  color: var(--text-faint);
  font-size: 14px;
}

/* 방법론 고지는 발견 목록 아래로 강등 — 위쪽 여백만 준다. */
[data-pane="result"] .dg-meta {
  margin-top: 28px;
  margin-bottom: 0;
}

.dg-warn,
.dg-clean {
  max-width: 60ch;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 15px;
}

.dg-findings {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.dg-finding {
  padding: 20px 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
}

.dg-finding h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.dg-finding-tag {
  margin-bottom: 10px;
}

.dg-finding-measure {
  margin: 2px 0 8px;
  color: var(--accent);
  font-family: var(--mono-font);
  font-size: 13px;
}

/* 신호 강도 온도차 — 문제 신호는 red/amber로. 네온(--accent)은 CTA 전용이라 칩에 쓰지 않는다. */
.dg-sev {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 9px;
  border-radius: 999px;
  font-family: var(--body-font, inherit);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.02em;
  vertical-align: 1px;
}

.dg-sev-3 {
  background: var(--danger-fill);
  color: var(--danger-on-fill);
}

.dg-sev-2 {
  border: 1px solid var(--amber);
  color: var(--amber);
}

.dg-sev-1 {
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.dg-sev-0 {
  border: 1px solid var(--border);
  color: var(--text-faint);
}

.dg-finding-why {
  max-width: 68ch;
  margin-bottom: 0;
  /* 본문은 보조 정보가 아니다 — 다크 배경에서 읽히는 대비로. */
  color: var(--text);
}

.dg-evidence {
  margin-top: 14px;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}

.dg-evidence summary {
  min-height: 32px;
  color: var(--text-faint);
  cursor: pointer;
  font-size: 14px;
}

.dg-file-list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--text-dim);
  font-family: var(--mono-font);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.dg-file-list .dg-more {
  list-style: none;
  margin-left: -18px;
  color: var(--text-faint);
}

.dg-snippet-label {
  margin: 12px 0 0;
  color: var(--text-faint);
  font-size: 12px;
}

.dg-snippet {
  max-height: 220px;
  margin: 6px 0 0;
  padding: 12px;
  overflow: auto;
  border-radius: 8px;
  background: var(--bg);
  color: var(--text-dim);
  /* 노트 문단 인용이지 코드가 아니다 — generic monospace는 CJK 혼합에서
     글자 폭이 널뛰어 리버가 생긴다. 본문 폰트로 인용답게. */
  font-family: inherit;
  font-size: 13px;
  line-height: 1.6;
  white-space: pre-wrap;
  text-align: left;
}

/* 나머지 신호는 접지 않는다 — 접으면 체감 문제량이 실제보다 작아진다. 대신 압축 행으로. */
.dg-rest {
  margin-top: 24px;
}

.dg-rest-heading {
  margin-bottom: 4px;
  color: var(--text-faint);
  font-size: 14px;
  font-weight: 700;
}

/* 나머지 섹션이 왜 하위인지 설명하는 한 줄. */
.dg-rest-intro {
  max-width: 60ch;
  margin: 0 0 12px;
  color: var(--text-dim);
  font-size: 14px;
}

.dg-rest-list {
  display: grid;
  gap: 8px;
}

.dg-rest-row {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg-card);
}

/* 위계: 제목 행(칩+제목)은 --text 본색으로 세우고, 아래 측정치는 faint로 강등한다. */
.dg-rest-head {
  display: block;
}

.dg-rest-row h4,
.dg-rest-title {
  display: inline;
  margin: 0;
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
}

/* 제목과 측정치를 한 줄에 섞으면 모바일에서 불규칙하게 꺾인다 — 행 분리. */
.dg-rest-row .dg-finding-measure {
  display: block;
  margin: 4px 0 0;
  color: var(--text-faint);
}

.dg-rest-row .dg-evidence {
  margin-top: 8px;
  border-top: 0;
  padding-top: 0;
}

/* 점수는 결론이 아니라 각주다 — 히어로(리드 숫자)와 경쟁하지 않게 작게. */
.dg-score {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin-top: 32px;
  padding: 16px 24px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.dg-score strong {
  color: var(--accent);
  font-size: 26px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.dg-score-scale {
  color: var(--text-faint);
  font-size: 15px;
}

.dg-score-label {
  color: var(--text-dim);
}

/* 감점 기준 요약 — 점수와 동시에 먼저 노출한다. 각주(note)보다 한 단 위 위계. */
.dg-score-basis {
  flex-basis: 100%;
  max-width: 68ch;
  margin: 8px 0 0;
  color: var(--text-dim);
  font-size: 14px;
}

.dg-score-note {
  flex-basis: 100%;
  margin: 0;
  color: var(--text-faint);
  font-size: 13px;
}

/* 경계 고지 → 그 다음에 설치 제안. 순서가 뒤집히면 과장이 된다.
   카드가 아니라 CTA로 넘어가는 브리지다 — 박스를 하나 줄여 CTA가 결론으로 보이게. */
.dg-boundary {
  max-width: 68ch;
  margin-top: 32px;
  margin-bottom: -8px;
  padding: 0 0 0 20px;
  border-left: 3px solid var(--text-faint);
}

.dg-boundary h3 {
  margin-bottom: 8px;
  font-size: 20px;
}

.dg-boundary p {
  margin-bottom: 0;
  color: var(--text);
}

.dg-cta {
  margin-top: 32px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg-card);
}

.dg-cta h3 {
  font-size: clamp(22px, 3vw, 30px);
}

.dg-cta p {
  max-width: 66ch;
  color: var(--text-dim);
}

.dg-cta-button {
  display: inline-block;
  min-height: 48px;
  margin-top: 8px;
  padding: 13px 24px;
  border-radius: 8px;
  background: var(--accent-fill);
  color: var(--accent-on-fill);
  font-weight: 600;
  text-decoration: none;
}

.dg-cta-benefits {
  margin: 12px 0 0;
  color: var(--text-dim);
  font-size: 14px;
}

.dg-cta-note {
  margin: 10px 0 0 !important;
  color: var(--text-faint) !important;
  font-size: 13px;
}

@media (max-width: 680px) {
  .diagnose-band-inner {
    padding-block: 48px;
  }

  .dg-finding {
    padding: 16px;
  }

  .dg-cta {
    padding: 20px;
  }
}