/* Roufin 메인 페이지
   Route Finder → 노선도. 프로젝트는 역, 분야는 노선이다.
   로고는 언제나 흰 바탕 위 검은색. 노선색(초록, 주황)은 노선을 구분할 때만 쓴다. */

:root {
  color-scheme: light;
  --paper: #ffffff;
  --ink: #000000;
  --ink-2: #4d5257;
  --ink-3: #a3a8ae;
  --rule: #e3e5e8;
  --platform: #f1f2f4;
  --web: #00a84d;
  --game: #e5700f;

  --sign: "Overpass", "Pretendard Variable", Pretendard, system-ui, sans-serif;
  --text: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, system-ui,
    "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;

  --gutter: clamp(20px, 5vw, 64px);
  --max: 1240px;
  --bar-h: 64px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  background: var(--paper);
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

html.motion {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 17px;
  line-height: 1.7;
  word-break: keep-all;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

p {
  text-wrap: pretty;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 0.22em;
}

a:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 3px;
  border-radius: 3px;
}

[id] {
  scroll-margin-top: calc(var(--bar-h) + 16px);
}

.sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

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

.skip {
  position: absolute;
  top: -80px;
  left: 12px;
  z-index: 60;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

.skip:focus {
  top: 12px;
}

.wrap {
  width: min(100% - 2 * var(--gutter), var(--max));
  margin-inline: auto;
}

/* ───────── 첫 로딩: 로고가 조립되고 막이 올라간다 ───────── */

.intro {
  display: none;
}

.play-intro .intro {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  background: var(--paper);
  clip-path: inset(0 0 0 0);
  animation: intro-lift 0.8s cubic-bezier(0.77, 0, 0.18, 1) 1.3s forwards;
}

.intro svg {
  width: clamp(96px, 15vw, 168px);
  overflow: visible;
  fill: var(--ink);
  animation: intro-logo 0.8s cubic-bezier(0.77, 0, 0.18, 1) 1.3s forwards;
}

.intro-arch {
  transform-box: fill-box;
  transform-origin: 50% 100%;
  animation: intro-arch 0.6s var(--ease-out) 0.1s both;
}

.intro-leg {
  transform-box: fill-box;
  transform-origin: 0 50%;
  animation: intro-leg 0.6s var(--ease-out) 0.55s both;
}

@keyframes intro-arch {
  from {
    transform: scaleY(0);
  }
}

@keyframes intro-leg {
  from {
    transform: translateX(-150%) skewX(-24deg);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
}

@keyframes intro-lift {
  to {
    clip-path: inset(0 0 100% 0);
    visibility: hidden;
  }
}

@keyframes intro-logo {
  to {
    transform: translateY(-22vh) scale(0.5);
    opacity: 0;
  }
}

/* ───────── 머리글과 진행 노선 ───────── */

.bar {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  height: var(--bar-h);
  background: var(--paper);
}

.bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: min(100% - 2 * var(--gutter), var(--max));
  height: 100%;
  margin-inline: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font: 800 22px/1 var(--sign);
  letter-spacing: -0.01em;
  text-decoration: none;
}

.brand span {
  padding-top: 0.12em;
}

.brand-mark {
  width: 26px;
  height: 26px;
  fill: var(--ink);
}

.bar-nav {
  display: flex;
  gap: clamp(12px, 2.6vw, 32px);
  font-size: 15px;
  font-weight: 700;
}

.bar-nav a {
  position: relative;
  padding-block: 8px;
  text-decoration: none;
}

.bar-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 3px;
  left: 0;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s var(--ease-out);
}

.bar-nav a:hover::after {
  transform: scaleX(1);
}

.bar-line {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  background: var(--rule);
}

.bar-fill {
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleX(var(--sp, 0));
  transform-origin: left;
}

.bar-train {
  position: absolute;
  top: 50%;
  left: calc(14px + var(--sp, 0) * (100% - 28px));
  width: 28px;
  height: 12px;
  margin: -6px 0 0 -14px;
  border: 2.5px solid var(--ink);
  border-radius: 6px;
  background: var(--paper);
}

@media (max-width: 420px) {
  .brand span {
    display: none;
  }

  .bar-nav {
    font-size: 14px;
  }
}

/* ───────── 첫 화면 ───────── */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100svh;
  padding: calc(var(--bar-h) + clamp(28px, 6vh, 72px)) 0 clamp(56px, 9vh, 112px);
  overflow: clip;
}

.hero-grid {
  display: grid;
  gap: 56px 72px;
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(340px, 460px);
  }
}

.hero-copy {
  container-type: inline-size;
  transform: translate3d(0, calc(var(--hy, 0) * 110px), 0);
  opacity: calc(1 - var(--hy, 0) * 0.85);
}

/* 이름: 기본은 완성된 Roufin. 움직임이 켜져 있으면 Route Finder에서 출발한다 */
.name {
  margin: 0;
  font: 900 min(30cqi, 180px) / 0.86 var(--sign);
  letter-spacing: -0.045em;
  white-space: nowrap;
}

.glyphs {
  display: inline-block;
}

.name .x,
.name .up {
  display: none;
}

.cap {
  display: inline-grid;
  justify-items: start;
}

.cap > span {
  grid-area: 1 / 1;
}

.motion .name:not(.done) {
  font-size: 14.5cqi;
}

.motion .name:not(.done) .x {
  display: inline-block;
  white-space: pre;
}

.motion .name:not(.done) .up {
  display: inline;
}

.motion .name:not(.done) .lo {
  display: none;
}

.motion .hero:not(.started) .glyphs {
  opacity: 0;
  transform: translateY(0.25em);
}

.glyphs {
  transition: opacity 0.6s var(--ease-out), transform 0.8s var(--ease-out);
}

.origin {
  margin: 24px 0 0;
  color: var(--ink-3);
  font: 800 clamp(22px, 2.6vw, 32px) / 1.1 var(--sign);
  letter-spacing: -0.01em;
}

.origin b {
  color: var(--ink);
  font-weight: inherit;
}

.hero-lead {
  max-width: 24em;
  margin: 28px 0 0;
  font-size: clamp(18px, 1.7vw, 21px);
  font-weight: 500;
  line-height: 1.7;
}

.cue {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  margin-top: 40px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.cue-track {
  position: relative;
  width: 12px;
  height: 46px;
  overflow: hidden;
  border-radius: 6px;
  background: var(--rule);
}

.cue-track i {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 16px;
  border-radius: 6px;
  background: var(--ink);
}

.motion .cue-track i {
  animation: cue 1.9s var(--ease-out) infinite;
}

@keyframes cue {
  from {
    transform: translateY(-16px);
  }
  to {
    transform: translateY(46px);
  }
}

.origin,
.hero-lead,
.cue {
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.hero-lead {
  transition-delay: 0.08s;
}

.cue {
  transition-delay: 0.16s;
}

.motion .hero:not(.on) :is(.origin, .hero-lead, .cue) {
  opacity: 0;
  transform: translateY(20px);
}

/* 노선도 */

.route-map {
  justify-self: center;
  width: 100%;
  max-width: 460px;
  margin: 0;
  transform: translate3d(0, calc(var(--hy, 0) * -50px), 0);
}

.route-map svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.route-map figcaption {
  margin-top: 16px;
  color: var(--ink-2);
  font-size: 14px;
  text-align: center;
}

.route {
  fill: none;
  stroke-width: 12;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.route.web {
  stroke: var(--web);
}

.route.game {
  stroke: var(--game);
}

.badge rect {
  fill: var(--web);
}

.badge.game rect {
  fill: var(--game);
}

.badge text {
  fill: var(--ink);
  font: 700 13.5px var(--text);
}

.hub-disc {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 6;
}

.hub-mark {
  fill: var(--ink);
}

.st circle {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 4.5;
  transition: fill 0.2s;
}

.st text {
  fill: var(--ink);
  font: 800 19px var(--sign);
  letter-spacing: -0.01em;
}

.st:hover circle,
.st:focus-visible circle {
  fill: var(--ink);
}

.st:hover text,
.st:focus-visible text {
  text-decoration: underline;
  text-decoration-thickness: 2px;
}

.st:focus-visible {
  outline: none;
}

.train rect {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 3;
}

.route-map .train {
  visibility: hidden;
}

.route-map.trains .train {
  visibility: visible;
}

.motion .route-map .route {
  stroke-dasharray: 1 1;
  stroke-dashoffset: 1;
}

.motion .route-map.go .route {
  animation: lay var(--dur) cubic-bezier(0.45, 0, 0.2, 1) forwards;
}

.motion .route-map :is(.st, .badge) {
  opacity: 0;
}

.motion .route-map.go :is(.st, .badge) {
  animation: arrive 0.5s var(--ease-out) var(--at) forwards;
}

@keyframes lay {
  to {
    stroke-dashoffset: 0;
  }
}

@keyframes arrive {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ───────── 소개 문장 ───────── */

.about {
  padding: clamp(112px, 18vh, 220px) 0 clamp(120px, 18vh, 220px);
}

.statement {
  max-width: 17.5em;
  margin: 0;
  font: 800 clamp(30px, 4.4vw, 66px) / 1.3 var(--text);
  letter-spacing: -0.035em;
}

/* ───────── 노선 공통 ───────── */

.line {
  --line-c: var(--web);
  --rail-base: var(--rule);
  --big-stroke: #eceef1;
}

.line.game {
  --line-c: var(--game);
  --rail-base: #2c2c2c;
  --big-stroke: #1e1e1e;
}

/* 행선지 안내판: 점 하나하나가 LED처럼 보이도록 글자를 점 격자로 가린다 */
.board {
  overflow: hidden;
  padding-block: clamp(16px, 2.6vw, 34px);
  background: var(--line-c);
  color: var(--ink);
}

.board-run {
  --dot: clamp(4px, 0.42vw, 7px);
  display: flex;
  align-items: center;
  gap: 0.42em;
  width: max-content;
  white-space: nowrap;
  font: 900 clamp(60px, 9.6vw, 156px) / 1 var(--sign);
  letter-spacing: -0.01em;
  transform: translate3d(calc(var(--q, 0) * -24%), 0, 0);
  will-change: transform;
  -webkit-mask-image: radial-gradient(circle, #000 50%, transparent 54%);
  mask-image: radial-gradient(circle, #000 50%, transparent 54%);
  -webkit-mask-size: var(--dot) var(--dot);
  mask-size: var(--dot) var(--dot);
}

.line.game .board-run {
  transform: translate3d(calc((var(--q, 0) - 1) * 24%), 0, 0);
}

.board-run span {
  padding-top: 0.08em;
}

.board-run i {
  flex: none;
  width: 0.4em;
  height: 0.4em;
  border: 0.11em solid currentColor;
  border-radius: 50%;
}

.line.game .ride {
  background: var(--ink);
  color: var(--paper);
  --ink-2: #b2b7bd;
}

.ride-track {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* ───── 세로 노선 (모바일, 움직임 줄이기, 스크립트 없음) ───── */

.ride {
  padding-block: clamp(72px, 11vw, 128px);
}

.ride-track {
  position: relative;
  width: min(100% - 2 * var(--gutter), var(--max));
  margin-inline: auto;
}

.stop {
  position: relative;
  padding: 0 0 clamp(80px, 11vw, 128px) 60px;
}

.stop:last-child {
  padding-bottom: 0;
}

.stop::before {
  content: "";
  position: absolute;
  top: 0;
  left: 10px;
  z-index: 2;
  width: 24px;
  height: 24px;
  border: 4.5px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  transition: background-color 0.3s;
}

.stop::after {
  content: "";
  position: absolute;
  top: 12px;
  left: 16px;
  width: 12px;
  height: 100%;
  background: var(--line-c);
}

.stop:last-child::after {
  display: none;
}

.line.game .stop::before {
  border-color: var(--paper);
  background: var(--ink);
}

.motion .stop::after {
  background: var(--rail-base);
}

.motion .ride-track::after {
  content: "";
  position: absolute;
  top: 12px;
  left: 16px;
  z-index: 1;
  width: 12px;
  height: calc(var(--rail-len, 0px) * var(--vfill, 0));
  border-radius: 6px;
  background: var(--line-c);
}

.motion .stop.on::before {
  background: var(--ink);
}

.motion .line.game .stop.on::before {
  background: var(--paper);
}

.stop-big {
  display: none;
}

.stop-inner {
  display: grid;
  gap: 36px;
}

@media (min-width: 760px) {
  .stop-inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 48px;
    align-items: start;
  }
}

.stop-date {
  margin: 0;
  color: var(--ink-2);
  font: 700 15px/24px var(--sign);
  letter-spacing: 0.02em;
}

.stop-name {
  margin: 8px 0 0;
  font: 900 clamp(42px, 5.4vw, 80px) / 0.95 var(--sign);
  letter-spacing: -0.035em;
}

.stop-sum {
  margin: 20px 0 0;
  font: 800 clamp(19px, 1.8vw, 24px) / 1.45 var(--text);
  letter-spacing: -0.01em;
}

.stop-desc {
  max-width: 31em;
  margin: 12px 0 0;
  color: var(--ink-2);
}

.stop-meta {
  display: grid;
  gap: 6px;
  margin: 22px 0 0;
  font-size: 15px;
}

.stop-meta div {
  display: flex;
  gap: 16px;
}

.stop-meta dt {
  flex: none;
  width: 2.5em;
  color: var(--ink-2);
  font-weight: 600;
}

.stop-meta dd {
  margin: 0;
}

.stop-meta a {
  font-weight: 700;
}

.stop-meta a:hover {
  text-decoration-color: var(--line-c);
  text-decoration-thickness: 3px;
}

.note {
  margin-left: 6px;
  color: var(--ink-2);
}

/* 나타나기 (세로 노선에서만) */

/* clip-path로 숨기면 IntersectionObserver가 보이지 않는 요소로 판단해 영영 나타나지 않으므로
   투명도와 위치만 쓴다 */
[data-reveal] {
  transition: opacity 0.9s var(--ease-out), transform 1s var(--ease-out);
}

.motion:not(.ride-on) .stop-copy[data-reveal]:not(.in) {
  opacity: 0;
  transform: translateY(40px);
}

.motion:not(.ride-on) .stop-visual[data-reveal]:not(.in) {
  opacity: 0;
  transform: translateY(64px) rotate(-3deg) scale(0.94);
}

/* ───── 가로 노선 (넓은 화면): 세로 스크롤로 열차가 옆으로 달린다 ───── */

.rail {
  display: none;
}

.ride-on .ride {
  height: calc(var(--n) * 100vh);
  padding: 0;
}

.ride-on .ride-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
  overflow: clip;
}

.ride-on .ride-track {
  display: flex;
  width: calc(var(--n) * 100%);
  height: 100%;
  margin: 0;
  transform: translate3d(calc(var(--p, 0) * (var(--n) - 1) / var(--n) * -100%), 0, 0);
  will-change: transform;
}

.ride-on .ride-track::after,
.ride-on .stop::before,
.ride-on .stop::after {
  display: none;
}

.ride-on .stop {
  --l: calc(var(--p, 0) * (var(--n) - 1) - var(--i));
  display: flex;
  flex: 0 0 calc(100% / var(--n));
  align-items: center;
  height: 100%;
  padding: 0;
  overflow: hidden;
  overflow: clip;
}

.ride-on [data-reveal] {
  transition: none;
}

.ride-on .stop-inner {
  position: relative;
  z-index: 1;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: clamp(40px, 5vw, 96px);
  align-items: center;
  width: min(100% - 2 * var(--gutter), var(--max));
  margin: 0 auto;
  padding: calc(var(--bar-h) + 24px) 0 132px;
}

.ride-on .stop-copy {
  opacity: calc(1 - max(var(--l), -1 * var(--l)) * 1.15);
  transform: translate3d(calc(var(--l) * 12vw), 0, 0);
}

.ride-on .stop-visual {
  justify-self: center;
  width: min(100%, calc((100vh - var(--bar-h) - 250px) * var(--ar, 1.4)));
  transform: translate3d(calc(var(--l) * -7vw), 0, 0) rotate(calc(var(--l) * -5deg));
}

.ride-on .stop-big {
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  z-index: 0;
  display: block;
  color: transparent;
  font: 900 21vw/1 var(--sign);
  letter-spacing: -0.04em;
  text-align: center;
  white-space: nowrap;
  pointer-events: none;
  -webkit-text-stroke: 2px var(--big-stroke);
  transform: translate3d(calc(var(--l) * 38vw), -50%, 0);
}

.ride-on .rail {
  position: absolute;
  right: max(var(--gutter), (100% - var(--max)) / 2);
  bottom: 40px;
  left: max(var(--gutter), (100% - var(--max)) / 2);
  z-index: 2;
  display: block;
  height: 60px;
}

.rail-line {
  position: absolute;
  top: 10px;
  right: 0;
  left: 0;
  height: 10px;
  border-radius: 5px;
  background: var(--rail-base);
}

.rail-fill {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--line-c);
  transform: scaleX(var(--p, 0));
  transform-origin: left;
}

.rail-st {
  position: absolute;
  top: 15px;
  left: calc(var(--i) / (var(--n) - 1) * 100%);
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 4.5px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  transition: background-color 0.25s;
}

.rail-st.on {
  background: var(--ink);
}

.rail-st b {
  position: absolute;
  top: 28px;
  left: 50%;
  color: var(--ink-2);
  font: 800 14px var(--sign);
  white-space: nowrap;
  transform: translateX(-50%);
  transition: color 0.25s;
}

.rail-st.here b {
  color: var(--ink);
}

.rail-st:first-of-type b {
  left: -4px;
  transform: none;
}

.rail-st:last-of-type b {
  right: -4px;
  left: auto;
  transform: none;
}

.line.game .rail-st {
  border-color: var(--paper);
  background: var(--ink);
}

.line.game .rail-st.on {
  background: var(--paper);
}

.line.game .rail-st.here b {
  color: var(--paper);
}

.rail-train {
  position: absolute;
  top: 15px;
  left: calc(var(--p, 0) * 100%);
  z-index: 3;
  display: grid;
  place-items: center;
  width: 64px;
  height: 32px;
  margin: -16px 0 0 -32px;
  border: 3px solid var(--ink);
  border-radius: 16px;
  background: var(--paper);
}

.rail-train svg {
  width: 18px;
  height: 18px;
  fill: var(--ink);
}

/* ───────── 프로젝트 그림 ───────── */

.stop-visual {
  margin: 0;
}

/* 실제 화면 */
.shot {
  overflow: hidden;
  border: 3px solid var(--ink);
  border-radius: 16px;
  background: var(--paper);
  box-shadow: 14px 14px 0 var(--line-c);
}

.shot-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  font: 700 14px/1.2 var(--sign);
}

.shot-lamp {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--line-c);
}

.shot img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}

/* 역명판 */
.sign {
  overflow: hidden;
  border: 3px solid var(--ink);
  border-radius: 18px;
  background: var(--paper);
  box-shadow: 14px 14px 0 var(--line-c);
}

.sign-plate {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: clamp(8px, 1.6vw, 20px);
  align-items: center;
  padding: clamp(32px, 5vw, 64px) clamp(14px, 2.4vw, 32px);
}

.sign-side {
  display: flex;
  align-items: center;
  gap: 4px;
  color: var(--ink-2);
  font: 800 clamp(13px, 1.5vw, 20px) var(--sign);
}

.sign-side.next {
  justify-content: flex-end;
}

.sign-side svg {
  flex: none;
  width: clamp(16px, 1.6vw, 22px);
  height: clamp(16px, 1.6vw, 22px);
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.motion .sign.in .sign-side.next svg {
  animation: nudge 1.6s var(--ease-out) infinite;
}

@keyframes nudge {
  50% {
    transform: translateX(5px);
  }
}

.sign-now {
  display: grid;
  justify-items: center;
  padding: clamp(10px, 1.4vw, 16px) clamp(18px, 2.6vw, 34px) clamp(8px, 1.2vw, 14px);
  border: clamp(4px, 0.5vw, 7px) solid var(--line-c);
  border-radius: 999px;
}

.sign-now b {
  font: 900 clamp(30px, 4.4vw, 66px) / 1 var(--sign);
  letter-spacing: -0.03em;
}

.sign-now small {
  margin-top: 6px;
  color: var(--ink-2);
  font: 700 clamp(12px, 1.2vw, 16px) / 1.2 var(--text);
}

.sign-band {
  display: block;
  height: 16px;
  background: var(--line-c);
}

.sign-url {
  display: block;
  padding: 12px 20px;
  background: var(--ink);
  color: var(--paper);
  font: 700 14px/1.2 var(--sign);
}

/* 노선 그림 (Project Manager, Lite24) */
.diagram svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.loop {
  fill: none;
  stroke: var(--web);
  stroke-width: 12;
}

.dg-st circle {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 4.5;
}

.dg-label text {
  fill: var(--ink);
  font: 800 19px var(--text);
}

.dg-title {
  fill: var(--ink);
  font: 900 30px var(--sign);
  letter-spacing: -0.02em;
}

.dg-sub {
  fill: var(--ink-2);
  font: 700 16px var(--sign);
}

.dg-train rect {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 3;
}

.net-line {
  fill: none;
  stroke: var(--game);
  stroke-width: 10;
  stroke-linejoin: round;
}

.proxy {
  fill: var(--paper);
}

.proxy-name {
  fill: var(--ink);
  font: 800 19px var(--text);
}

.proxy-port {
  fill: var(--ink-2);
  font: 700 15px var(--sign);
}

.net-st circle {
  fill: var(--ink);
  stroke: var(--paper);
  stroke-width: 4.5;
}

.net-label text {
  fill: var(--paper);
  font: 800 20px var(--text);
}

.net-sub text {
  fill: #a9aeb4;
  font: 600 14px var(--sign);
}

.pkt rect {
  fill: var(--paper);
}

/* 움직이는 SVG 요소는 시작 전에 보이지 않게 한다 */
.dg-train,
.pkt {
  visibility: hidden;
}

.trains .dg-train,
.trains .pkt {
  visibility: visible;
}

/* 장기판 */
.board-svg {
  overflow: hidden;
  border-radius: 18px;
  box-shadow: 14px 14px 0 var(--line-c);
}

.board-svg svg {
  width: 100%;
  height: auto;
}

.wood {
  fill: #e8c48b;
}

.grid path {
  fill: none;
  stroke: #6b4a1f;
  stroke-width: 1.6;
}

.pcs use {
  fill: #fff8ec;
  stroke: #2b2b2b;
  stroke-width: 1.5;
}

.pcs text {
  font: 700 17px "Malgun Gothic", "Apple SD Gothic Neo", "Noto Sans CJK KR", "Noto Sans KR", serif;
  text-anchor: middle;
  dominant-baseline: central;
}

.pcs text.l {
  font-size: 20px;
}

.pcs text.s {
  font-size: 14px;
}

.pcs.han text {
  fill: #c81e1e;
}

.pcs.cho text {
  fill: #00843b;
}

.motion .board-svg.in .mv {
  animation: 9s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

.motion .board-svg.in .m1 {
  animation-name: move-1;
}

.motion .board-svg.in .m2 {
  animation-name: move-2;
}

.motion .board-svg.in .m3 {
  animation-name: move-3;
}

.motion .board-svg.in .m4 {
  animation-name: move-4;
}

@keyframes move-1 {
  0%, 8% { transform: none; }
  14%, 86% { transform: translate(0, -40px); }
  94%, 100% { transform: none; }
}

@keyframes move-2 {
  0%, 24% { transform: none; }
  30%, 86% { transform: translate(0, 40px); }
  94%, 100% { transform: none; }
}

@keyframes move-3 {
  0%, 40% { transform: none; }
  44% { transform: translate(0, -40px); }
  50%, 86% { transform: translate(40px, -80px); }
  94%, 100% { transform: none; }
}

@keyframes move-4 {
  0%, 58% { transform: none; }
  66%, 86% { transform: translate(0, 80px); }
  94%, 100% { transform: none; }
}

/* 마인크래프트 인벤토리와 등급 툴팁 */
.mc {
  position: relative;
  padding-top: 48px;
}

.mc-inv {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 4px;
  padding: clamp(8px, 1.2vw, 14px);
  border: 4px solid;
  border-color: #fff #555 #555 #fff;
  border-radius: 6px;
  background: #c6c6c6;
  box-shadow: 14px 14px 0 var(--line-c);
}

.mc-inv span {
  display: grid;
  place-items: center;
  aspect-ratio: 1;
  border: 3px solid;
  border-color: #373737 #fff #fff #373737;
  background: #8b8b8b;
}

.mc-inv i {
  width: 46%;
  height: 46%;
  background: var(--c);
  box-shadow: 0 0 0 2px rgb(0 0 0 / 0.35), 0 0 14px var(--c);
  transform: rotate(45deg);
}

.mc-tip {
  position: absolute;
  top: 0;
  right: -10px;
  padding: 14px 20px 16px;
  border: 3px solid #2d0a6e;
  background: rgb(16 0 16 / 0.96);
  color: var(--paper);
  font: 800 clamp(15px, 1.5vw, 21px) / 1.5 var(--sign);
  outline: 3px solid #100010;
}

.mc-tip p {
  margin: 0 0 6px;
}

.mc-tip ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mc-tip li {
  color: var(--c);
}

.mc-tip li::before {
  content: "";
  display: inline-block;
  width: 0.5em;
  height: 0.5em;
  margin-right: 0.5em;
  background: var(--c);
  vertical-align: 0.08em;
}

.motion .mc-tip li {
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.motion .mc.in .mc-tip li {
  opacity: 1;
  transform: none;
}

.motion .mc.in .mc-tip li:nth-child(2) { transition-delay: 0.1s; }
.motion .mc.in .mc-tip li:nth-child(3) { transition-delay: 0.2s; }
.motion .mc.in .mc-tip li:nth-child(4) { transition-delay: 0.3s; }
.motion .mc.in .mc-tip li:nth-child(5) { transition-delay: 0.4s; }

.motion .mc.in .legend {
  background: linear-gradient(90deg, #ffaa00 20%, #fff2c2 50%, #ffaa00 80%) 0 0 / 220% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 2.6s linear infinite;
}

.motion .mc.in .legend::before {
  background: #ffaa00;
}

@keyframes shimmer {
  to {
    background-position: -220% 0;
  }
}

@media (max-width: 759px) {
  .mc {
    padding-top: 0;
  }

  .mc-tip {
    position: relative;
    top: auto;
    right: auto;
    width: max-content;
    margin: -28px 0 0 auto;
  }
}

/* ───────── 멤버 ───────── */

.members {
  padding: clamp(112px, 16vh, 200px) 0 clamp(96px, 14vh, 168px);
  overflow: hidden;
  background: var(--platform);
}

.sec-title {
  margin: 0;
  font: 900 clamp(52px, 8vw, 124px) / 0.95 var(--text);
  letter-spacing: -0.05em;
}

.sec-lead {
  max-width: 30em;
  margin: 22px 0 0;
  color: var(--ink-2);
  font-size: clamp(18px, 1.7vw, 21px);
  font-weight: 500;
}

.sub {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: clamp(64px, 9vw, 112px) 0 36px;
  font-size: 20px;
  font-weight: 800;
}

.sub::before {
  content: "";
  width: 28px;
  height: 10px;
  border-radius: 5px;
  background: var(--ink);
}

.count {
  color: var(--ink-2);
  font-weight: 600;
}

.leaders {
  display: grid;
  gap: 48px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.leader {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 24px;
  align-items: center;
}

.ring {
  position: relative;
  display: block;
  width: 112px;
  aspect-ratio: 1;
}

.ring svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.ring circle {
  fill: var(--paper);
  stroke: var(--ink);
  stroke-width: 7;
}

.ring img {
  position: absolute;
  inset: 15%;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  background: var(--rule);
  object-fit: cover;
}

.motion .leader .ring circle {
  stroke-dasharray: 1 1;
  stroke-dashoffset: 1;
  transition: stroke-dashoffset 1.2s var(--ease-out);
}

.motion .leader.in .ring circle {
  stroke-dashoffset: 0;
}

.motion .leader .ring img,
.motion .leader > div {
  opacity: 0;
  transition: opacity 0.8s var(--ease-out) 0.2s, transform 0.9s var(--ease-out) 0.2s;
}

.motion .leader .ring img {
  transform: scale(0.6);
}

.motion .leader > div {
  transform: translateY(24px);
}

.motion .leader.in .ring img,
.motion .leader.in > div {
  opacity: 1;
  transform: none;
}

@media (min-width: 860px) {
  .leaders {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 40px;
  }

  .leader {
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: start;
  }

  .leader:nth-child(2) {
    margin-top: 72px;
  }

  .leader:nth-child(3) {
    margin-top: 144px;
  }

  .ring {
    width: 184px;
  }
}

.leader h4 {
  margin: 0;
  font: 900 clamp(30px, 3vw, 44px) / 1 var(--sign);
  letter-spacing: -0.03em;
}

.leader h4 a {
  text-decoration: none;
}

.leader h4 a:hover {
  text-decoration: underline;
  text-decoration-thickness: 3px;
}

.role {
  margin: 10px 0 0;
  color: var(--ink-2);
  font-weight: 700;
}

.motto {
  margin: 14px 0 0;
  font: italic 500 19px/1.45 var(--sign);
}

.motto::before {
  content: "“";
}

.motto::after {
  content: "”";
}

/* 함께하는 멤버: 두 줄이 서로 반대로 흐른다 */
.crew {
  display: grid;
  gap: 14px;
}

.lane {
  overflow: hidden;
}

.belt {
  display: flex;
  width: max-content;
}

.belt ul {
  display: flex;
  gap: 14px;
  margin: 0;
  padding: 0 14px 0 0;
  list-style: none;
}

.motion .belt {
  animation: belt 52s linear infinite;
}

.motion .lane.rev .belt {
  animation-direction: reverse;
}

.motion .lane:hover .belt {
  animation-play-state: paused;
}

@keyframes belt {
  to {
    transform: translateX(-50%);
  }
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 24px 8px 8px;
  border-radius: 999px;
  background: var(--paper);
  font: 700 18px/1 var(--sign);
  white-space: nowrap;
  text-decoration: none;
  transition: background-color 0.2s, color 0.2s;
}

.chip:hover {
  background: var(--ink);
  color: var(--paper);
}

.chip img {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--rule);
}

html:not(.motion) .crew {
  width: min(100% - 2 * var(--gutter), var(--max));
  margin-inline: auto;
}

html:not(.motion) .belt {
  width: auto;
}

html:not(.motion) .belt ul {
  flex-wrap: wrap;
}

html:not(.motion) .belt ul[aria-hidden] {
  display: none;
}

/* ───────── 연락: 종점 ───────── */

.terminal {
  position: relative;
  padding: clamp(128px, 20vh, 240px) 0 clamp(120px, 18vh, 220px);
  overflow: hidden;
}

.term-body {
  position: relative;
  padding-left: clamp(56px, 7vw, 104px);
}

.term-line {
  position: absolute;
  bottom: calc(100% - 0.55em);
  left: 12px;
  width: 12px;
  height: calc(clamp(128px, 20vh, 240px) + 0.55em);
  overflow: hidden;
  border-radius: 0 0 6px 6px;
  background: var(--rule);
  font-size: clamp(36px, 5.6vw, 84px);
}

.term-fill {
  position: absolute;
  inset: 0;
  background: var(--ink);
  transform: scaleY(var(--tq, 1));
  transform-origin: top;
}

.term-stop {
  position: absolute;
  top: calc(0.55em - 21px);
  left: -3px;
  width: 42px;
  height: 42px;
  border: 6px solid var(--ink);
  border-radius: 50%;
  background: var(--paper);
  box-shadow: inset 0 0 0 6px var(--paper), inset 0 0 0 30px var(--ink);
  font-size: clamp(36px, 5.6vw, 84px);
  transition: transform 0.6s var(--ease-out);
}

.motion .terminal:not(.arrived) .term-stop {
  box-shadow: inset 0 0 0 6px var(--paper), inset 0 0 0 30px var(--paper);
  transform: scale(0.8);
}

.terminal h2 {
  margin: 0;
  font: 900 clamp(36px, 5.6vw, 84px) / 1.1 var(--text);
  letter-spacing: -0.045em;
}

.mail {
  display: inline-block;
  margin-top: clamp(28px, 4vw, 48px);
  font: 900 clamp(30px, 7.4vw, 108px) / 1.05 var(--sign);
  letter-spacing: -0.04em;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.14em;
  transition: color 0.25s, text-decoration-color 0.25s;
}

.mail:hover {
  text-decoration-color: var(--web);
}

.term-note {
  max-width: 34em;
  margin: clamp(28px, 4vw, 44px) 0 0;
  color: var(--ink-2);
  font-size: clamp(17px, 1.5vw, 19px);
}

/* ───────── 바닥글 ───────── */

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  padding-block: 28px 44px;
  border-top: 1px solid var(--rule);
  color: var(--ink-2);
  font-size: 14px;
}

.foot p {
  margin: 0;
}

.foot nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}