:root {
  --bg: #ffffff;
  --ink: #1d1a22;
  --ink-dim: #6e6878;
  --line: #ece6ee;
  --pink: #ff4f87;
  --pink-soft: #fff0f5;
  --yujin: #4a63d6;
  --nari: #ef8a32;
  --seah: #b23a5c;
  --serif: "Gowun Batang", "Nanum Myeongjo", serif;
  --sans: "Pretendard Variable", Pretendard, -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", sans-serif;
  --col: min(720px, 100vw);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; overflow-x: clip; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip;
  transition: background-color .6s ease;
}
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

/* ───── progress ───── */
.progress {
  position: fixed; inset: 0 0 auto 0; height: 3px; z-index: 50;
  background: transparent; pointer-events: none;
}
.progress span {
  display: block; height: 100%; width: 100%;
  transform-origin: 0 50%; transform: scaleX(0);
  background: linear-gradient(90deg, var(--pink), #ff9ec0);
  transition: background .6s;
}
body[data-accent="yujin"] .progress span { background: var(--yujin); }
body[data-accent="nari"]  .progress span { background: var(--nari); }
body[data-accent="seah"]  .progress span { background: var(--seah); }

/* ───── webtoon ───── */
#webtoon {
  width: var(--col);
  margin: 0 auto;
  background: #fff;
  box-shadow: 0 0 0 1px var(--line);
}
#webtoon img { width: 100%; height: auto; background: #fff; }

.scroll-hint {
  position: fixed; left: 50%; bottom: max(18px, env(safe-area-inset-bottom));
  translate: -50% 0; z-index: 40; color: var(--pink);
  width: 40px; height: 40px; display: grid; place-items: center;
  border-radius: 50%; background: rgba(255,255,255,.9);
  box-shadow: 0 4px 18px rgba(255,79,135,.25);
  animation: nudge 1.6s ease-in-out infinite;
  transition: opacity .4s;
}
.scroll-hint.gone { opacity: 0; pointer-events: none; }
@keyframes nudge { 50% { transform: translateY(6px); } }

/* ───── bridge ───── */
#bridge { height: 170vh; position: relative; }
.bridge-sticky {
  position: sticky; top: 0; height: 100vh; height: 100svh;
  display: grid; place-items: center; padding: 0 16px;
}
.post {
  width: min(440px, 100%);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px 14px;
  box-shadow: 0 18px 50px rgba(40, 20, 50, .08);
  opacity: 0; transform: translateY(30px) scale(.97);
  transition: opacity .7s ease, transform .7s cubic-bezier(.2,.8,.2,1);
}
#bridge.on .post { opacity: 1; transform: none; }
.post-head { display: flex; justify-content: space-between; font-size: 12px; color: var(--ink-dim); }
.board { font-weight: 600; }
.post-title { margin: 10px 0 8px; font-size: 18px; font-weight: 700; }
.post-body {
  margin: 0; min-height: 5em; white-space: pre-line; font-size: 15px;
  border-top: 1px solid var(--line); padding-top: 10px;
}
.post-body.typing::after {
  content: ""; display: inline-block; width: 2px; height: 1.05em; margin-left: 2px;
  vertical-align: -2px; background: var(--ink); animation: blink .8s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.post-foot { display: flex; gap: 14px; margin-top: 12px; font-size: 12px; color: var(--ink-dim); }

.toast {
  position: absolute; left: 50%; top: max(20px, env(safe-area-inset-top));
  translate: -50% -140%;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border: 0; border-radius: 999px; cursor: pointer;
  background: rgba(30, 24, 36, .92); color: #fff; font-size: 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
  transition: translate .6s cubic-bezier(.2,1.3,.4,1);
  white-space: nowrap;
}
.toast b { color: #ff8fb4; }
.toast svg { color: #ff8fb4; }
#bridge.ping .toast { translate: -50% 0; animation: buzz .5s .6s 2; }
@keyframes buzz { 25% { rotate: -2deg; } 75% { rotate: 2deg; } }

/* ───── section titles ───── */
.sec-title {
  text-align: center; margin: 0 0 28px; font-family: var(--serif);
  font-weight: 700; font-size: clamp(22px, 4vw, 30px);
}
.sec-title span { position: relative; padding: 0 10px; }
.sec-title span::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 10px; z-index: -1;
  background: var(--pink-soft); transform: scaleX(0); transform-origin: left;
  transition: transform .8s .2s ease;
}
.sec-title.in span::after { transform: none; }

/* ───── cast ───── */
#cast { padding: 40px 0 20px; }
.char {
  --c: var(--pink);
  position: relative;
  max-width: 1100px; margin: 0 auto; padding: 60px 16px 90px;
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 28px 48px; align-items: center;
  min-height: 92vh;
}
.char:nth-child(even) { grid-template-columns: 1fr 1.15fr; }
.char:nth-child(even) .stage { order: 2; }

.stage { position: relative; aspect-ratio: 4 / 3.4; user-select: none; -webkit-user-select: none; }
.stage svg.backdrop { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.backdrop .blob { fill: color-mix(in srgb, var(--c) 12%, white); transform-origin: 50% 55%; animation: morph 9s ease-in-out infinite; }
.backdrop .ring { fill: none; stroke: color-mix(in srgb, var(--c) 45%, white); stroke-width: 1.2; stroke-dasharray: 3 7; transform-origin: 300px 290px; animation: spin 40s linear infinite; }
.backdrop .ring.r2 { stroke-dasharray: 1 12; animation-duration: 60s; animation-direction: reverse; }
.backdrop .spark { fill: var(--c); opacity: .0; animation: twinkle 3.2s ease-in-out infinite; }
@keyframes morph { 50% { transform: scale(1.04, .97) rotate(3deg); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes twinkle { 40%, 60% { opacity: .75; } }

.sprite {
  position: absolute; inset: 0; cursor: pointer; border: 0; padding: 0; background: none;
  transform: translate3d(var(--px, 0), var(--py, 0), 0);
  transition: transform .25s ease-out;
}
.sprite img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: contain; object-position: 50% 100%;
  opacity: 0; transition: opacity .35s ease;
  filter: drop-shadow(0 18px 24px rgba(40, 20, 50, .12));
  -webkit-mask-image: linear-gradient(#000 86%, transparent);
          mask-image: linear-gradient(#000 86%, transparent);
}
.sprite img.show { opacity: 1; }
.sprite.bounce { animation: boing .45s cubic-bezier(.3,1.6,.5,1); }
@keyframes boing { 30% { transform: translate3d(var(--px,0), calc(var(--py,0px) - 10px), 0) scale(1.015); } }
.char .sprite-in { opacity: 0; transform: translateY(40px); transition: opacity .9s ease, transform .9s cubic-bezier(.2,.8,.2,1); }
.char.in .sprite-in { opacity: 1; transform: none; }

.fx { position: absolute; width: 18%; top: 4%; right: 22%; pointer-events: none; opacity: 0; }
.fx.pop { animation: pop .9s ease forwards; }
@keyframes pop { 0% { opacity: 0; transform: scale(.4) translateY(10px); } 30% { opacity: 1; transform: scale(1.1); } 70% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: translateY(-14px); } }

.emotes { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 14px; }
.emotes button {
  border: 1px solid var(--line); background: #fff; border-radius: 999px;
  padding: 5px 12px; font-size: 13px; cursor: pointer; color: var(--ink-dim);
  transition: all .2s;
}
.emotes button:hover { border-color: var(--c); color: var(--ink); }
.emotes button[aria-pressed="true"] { background: var(--c); border-color: var(--c); color: #fff; }

.info { position: relative; }
.name-svg { display: block; width: min(100%, 300px); height: auto; overflow: visible; }
.name-svg text.ko {
  font-family: var(--serif); font-weight: 700; font-size: 92px;
  fill: transparent; stroke: var(--ink); stroke-width: 1.2;
  stroke-dasharray: 600; stroke-dashoffset: 600;
}
.name-svg text.en { font-family: var(--sans); font-size: 13px; letter-spacing: .5em; fill: var(--c); opacity: 0; }
.name-svg line { stroke: var(--c); stroke-width: 2; stroke-dasharray: 260; stroke-dashoffset: 260; }
.char.in .name-svg text.ko { animation: draw 1.6s ease forwards, fillin .6s 1.2s ease forwards; }
.char.in .name-svg line { animation: dash 1s .4s ease forwards; }
.char.in .name-svg text.en { animation: fade .8s 1s forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fillin { to { fill: var(--ink); stroke-width: 0; } }
@keyframes dash { to { stroke-dashoffset: 0; } }
@keyframes fade { to { opacity: 1; } }

.facts { margin: 18px 0 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.facts li { display: grid; grid-template-columns: 74px 1fr; gap: 10px; font-size: 15px;
  opacity: 0; transform: translateX(-10px); transition: opacity .6s, transform .6s; }
.char.in .facts li { opacity: 1; transform: none; }
.char.in .facts li:nth-child(2) { transition-delay: .12s; }
.char.in .facts li:nth-child(3) { transition-delay: .24s; }
.char.in .facts li:nth-child(4) { transition-delay: .36s; }
.facts b { font-size: 12px; font-weight: 600; color: var(--c); padding-top: 2px; letter-spacing: .02em; }

.bubble {
  position: relative; margin-top: 26px; display: inline-block; max-width: 100%;
  background: #fff; border: 2px solid var(--ink); border-radius: 22px;
  padding: 12px 18px; font-size: 16px; cursor: pointer; text-align: left;
  min-height: 52px; min-width: 120px;
  box-shadow: 4px 4px 0 color-mix(in srgb, var(--c) 35%, white);
  transition: transform .15s;
}
.bubble:active { transform: scale(.98); }
.bubble::before {
  content: ""; position: absolute; left: 26px; top: -12px; width: 18px; height: 18px;
  background: #fff; border-left: 2px solid var(--ink); border-top: 2px solid var(--ink);
  transform: skewX(-25deg) rotate(30deg);
}
.bubble .more { display: block; font-size: 11px; color: var(--ink-dim); margin-top: 4px; }

/* ───── relations ───── */
#relations { padding: 70px 16px 40px; background: linear-gradient(#fff, var(--pink-soft) 40%, #fff); }
.rel-wrap { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px; align-items: center; }
svg.rel { width: 100%; height: auto; overflow: visible; }
.rel .edge { cursor: pointer; }
.rel .edge path.vis { fill: none; stroke: #cfc5d4; stroke-width: 2.5; stroke-linecap: round; stroke-dasharray: var(--len); stroke-dashoffset: var(--len); transition: stroke .3s, stroke-width .3s; }
.rel .edge path.hit { fill: none; stroke: transparent; stroke-width: 26; }
.rel.in .edge path.vis { animation: dash 1.2s ease forwards; }
.rel .edge:hover path.vis, .rel .edge.sel path.vis { stroke: var(--pink); stroke-width: 4; }
.rel .edge text { font-size: 17px; font-weight: 600; fill: var(--ink-dim); text-anchor: middle; paint-order: stroke; stroke: #fff; stroke-width: 5px; opacity: 0; transition: opacity .5s 1s; }
.rel.in .edge text { opacity: 1; }
.rel .node { cursor: pointer; }
.rel .node circle.bg { fill: #fff; stroke: var(--c); stroke-width: 3; }
.rel .node text { font-family: var(--serif); font-weight: 700; font-size: 21px; text-anchor: middle; fill: var(--ink); }
.rel .node .halo { fill: var(--c); opacity: .15; transform-box: fill-box; transform-origin: center; animation: breathe 3s ease-in-out infinite; }
@keyframes breathe { 50% { transform: scale(1.12); opacity: .05; } }
.rel .node.you circle.bg { stroke-dasharray: 5 5; }
.rel-card {
  background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px;
  min-height: 170px; box-shadow: 0 12px 40px rgba(40,20,50,.06);
}
.rel-card h3 { margin: 0 0 6px; font-family: var(--serif); font-size: 20px; }
.rel-card .what { color: var(--ink-dim); font-size: 14px; margin: 0 0 14px; }
.rel-card .call { display: grid; gap: 8px; }
.rel-card .call div { display: flex; gap: 8px; align-items: baseline; font-size: 15px; }
.rel-card .call span.who { font-size: 12px; color: var(--ink-dim); min-width: 92px; }
.rel-card .call q { font-weight: 700; quotes: "“" "”"; }
.rel-hint { color: var(--ink-dim); margin: 0; text-align: center; padding-top: 50px; }
.rel-card.swap { animation: swap .35s ease; }
@keyframes swap { from { opacity: 0; transform: translateY(6px); } }

/* ───── start ───── */
#start { padding: 70px 16px 120px; }
.routes { max-width: 820px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.route {
  position: relative; border-radius: 18px; padding: 22px 22px 24px; background: #fff;
  border: 1px solid var(--line); overflow: hidden;
  opacity: 0; transform: translateY(24px); transition: opacity .7s, transform .7s, box-shadow .3s;
}
.route.in { opacity: 1; transform: none; }
.route:nth-child(2).in { transition-delay: .15s; }
.route:hover { box-shadow: 0 16px 40px color-mix(in srgb, var(--c) 20%, transparent); }
.route::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--c); }
.route-tag { font-size: 12px; font-weight: 700; color: var(--c); letter-spacing: .1em; }
.route h3 { margin: 6px 0 8px; font-family: var(--serif); font-size: 21px; }
.route p { margin: 0; color: var(--ink-dim); font-size: 15px; }
.play {
  display: block; width: fit-content; margin: 40px auto 0; padding: 14px 34px; border-radius: 999px;
  background: var(--pink); color: #fff; text-decoration: none; font-weight: 700;
  box-shadow: 0 10px 30px rgba(255,79,135,.35);
}

.to-gallery {
  display: flex; align-items: center; gap: 8px; width: fit-content; margin: 34px auto 0;
  padding: 12px 22px; border-radius: 999px; border: 1.5px solid var(--ink); color: var(--ink);
  text-decoration: none; font-weight: 600; transition: background .2s, color .2s;
}
.to-gallery svg { transition: transform .25s; }
.to-gallery:hover { background: var(--ink); color: #fff; }
.to-gallery:hover svg { transform: translateX(4px); }

/* ───── mobile ───── */
@media (max-width: 760px) {
  .char, .char:nth-child(even) { grid-template-columns: 1fr; min-height: 0; padding: 40px 16px 70px; gap: 10px; }
  .char:nth-child(even) .stage { order: 0; }
  .info { padding: 0 4px; display: flex; flex-direction: column; align-items: center; text-align: center; }
  .name-svg { width: 240px; }
  .facts { width: 100%; max-width: 340px; margin-top: 14px; }
  .facts li { grid-template-columns: 64px 1fr; text-align: left; font-size: 14.5px; }
  .bubble { align-self: center; margin-top: 22px; }
  .bubble::before { left: 50%; margin-left: -9px; }
  .emotes { gap: 5px; flex-wrap: nowrap; }
  .emotes button { padding: 5px 10px; font-size: 12.5px; flex: none; }
  .stage { aspect-ratio: 1 / 1; }
  .rel-wrap { grid-template-columns: 1fr; }
  .routes { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  html { scroll-behavior: auto; }
}

.play[hidden] { display: none; }