/* ==========================================================================
   05 Perspective — 끊김 없는 하나의 카메라 동선
   - Node 빌드 없이 그대로 사용하는 원본 파일 (www/assets/css)
   - .pv-journey: 스크롤 길이만 차지, 화면은 .pv-journey__sticky 하나에 장면(.pv-scene)을 겹쳐 둠
   - 3D 장면은 1600×900 기준으로 만들고 화면에 맞춰 확대/축소 ([data-stage] --fit)
   - 3D 연출은 html.pv-motion 일 때만 (모션 줄이기 설정이면 평면 레이아웃)
   ========================================================================== */
:root { --radius: 0px; }
.h1, .h2 { font-family: var(--f-display); font-weight: 700; letter-spacing: -.045em; }

.pv-journey { position: relative; background: var(--k); }
.pv-journey__sticky { position: sticky; top: 0; height: 100vh; overflow: hidden; }
.pv-anchor { position: absolute; left: 0; width: 1px; height: 1px; pointer-events: none; }
.pv-scene { position: absolute; inset: 0; overflow: hidden; }
.pv-motion .pv-scene { visibility: hidden; will-change: opacity; }   /* JS가 보이는 장면만 켬 */

[data-stage] { --fit: 1; position: absolute; left: 50%; top: 50%; width: 1600px; height: 900px; transform: translate(-50%, -50%) scale(var(--fit)); }
.pv-hex__world, .pv-gal__world, .pv-stairs__world { position: absolute; left: 50%; top: 50%; width: 0; height: 0; transform-style: preserve-3d; }
.pv-motion :is(.pv-hex__world, .pv-gal__world, .pv-stairs__world) { will-change: transform; }
.pv-scene__head { position: absolute; left: 0; right: 0; top: calc(var(--hd-h) + 24px); pointer-events: none; }
.pv-scene__head, .pv-scene__dots, .pv-gal__foot { opacity: var(--hud, 1); transform: translateY(calc((1 - var(--hud, 1)) * 12px)); }
.pv-scene__head .eyebrow { margin-bottom: 16px; }
.pv-scene__head .h2 { font-size: max(var(--fs-xl), min(var(--fs-2xl), (100vw - 960px) * 999), min(var(--fs-3xl), (100vw - 1280px) * 999), min(var(--fs-4xl), (100vw - 1600px) * 999)); }
.pv-scene__dots { position: absolute; left: 0; right: 0; bottom: calc(clamp(24px, 5vh, 48px) + var(--dock-space, 0px)); display: flex; gap: 8px; pointer-events: none; }
.pv-scene__dots li { flex: 1; max-width: 220px; border-top: 2px solid var(--w-line); font-size: var(--fs-xs); color: var(--on-dark-3); transition: color .4s, border-color .4s; }
/* 누르면 그 벽(단계)으로 이동 */
.pv-scene__dots button { display: block; width: 100%; padding: 16px 0 4px; text-align: left; font: inherit; color: inherit; pointer-events: auto; cursor: pointer; }
@media (hover: hover) { .pv-scene__dots li:hover { color: var(--on-dark); border-color: var(--on-dark-3); } }
.pv-scene__dots button:focus-visible { outline: 2px solid var(--y); outline-offset: 4px; }
.pv-scene__dots b { margin-right: 8px; font-weight: 800; }
.pv-scene__dots li.is-on { border-color: var(--y); color: var(--on-dark); }
.pv-scene__dots li.is-on b { color: var(--y); }

/* 1. Hero — 영상에서 한 걸음 물러나면 갤러리 벽의 스크린 */
.pv-hero { --pull: 0; background: var(--k); }
.pv-hero__space { position: absolute; inset: 0; transform-origin: 50% 42%; }
.pv-hero__room { position: absolute; inset: 0; opacity: var(--pull); }
.pv-hero__wall { position: absolute; inset: 0 0 26% 0; background: radial-gradient(ellipse 46% 64% at 50% 42%, var(--k4) 0%, var(--k2) 55%, var(--k) 100%); }
.pv-hero__ground { position: absolute; left: 0; right: 0; bottom: 0; height: 26%; background: linear-gradient(var(--k3), var(--k)); border-top: 1px solid var(--w-faint); }
.pv-hero__beam { position: absolute; left: 50%; top: -10%; width: 80vw; height: 90%; transform: translateX(-50%); background: radial-gradient(ellipse 36% 100% at 50% 0, var(--lamp), transparent 72%); animation: pv-flicker 7s infinite; }
@keyframes pv-flicker { 0%, 46%, 48%, 50%, 100% { opacity: 1; } 47% { opacity: .7; } 49% { opacity: .82; } }
.pv-hero__screen {
  position: absolute; inset: 0; overflow: hidden; background: var(--k);
  transform-origin: 50% 42%;
  /* 물러나면 갤러리 벽의 스크린 → 마우스 쪽으로 살짝 기울고(--lx, --ly: JS) 유리 반사가 따라 움직임 */
  transform: perspective(1600px) rotateY(calc(var(--lx, 0) * 8deg * var(--pull))) rotateX(calc(var(--ly, 0) * -6deg * var(--pull))) scale(calc(1 - var(--pull) * .58));
  box-shadow: 0 0 0 calc(var(--pull) * 40px) var(--k2), 0 0 0 calc(var(--pull) * 42px) var(--w-faint), 0 calc(var(--pull) * 80px) calc(var(--pull) * 160px) var(--b-4);
}
.pv-hero__screen .hero-video { width: 100%; height: 100%; object-fit: cover; }
.pv-hero__screen::after { content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none; mix-blend-mode: screen; opacity: var(--pull);
  background: radial-gradient(circle at calc(50% + var(--lx, 0) * 90%) calc(30% + var(--ly, 0) * 70%), var(--w-mid), transparent 46%); }
/* 스크롤 안내: 노란 점이 선을 타고 내려감, 물러나기 시작하면 사라짐 */
.pv-hero__cue { position: absolute; left: 50%; bottom: calc(clamp(24px, 5vh, 48px) + var(--dock-space, 0px)); z-index: 2; display: grid; justify-items: center; gap: 12px; transform: translateX(-50%); font-size: var(--fs-2xs); font-weight: 700; letter-spacing: .32em; text-transform: uppercase; color: var(--on-dark-2); opacity: calc(1 - var(--pull) * 6); pointer-events: none; }
.pv-hero__cue i { position: relative; width: 1px; height: 60px; overflow: hidden; background: var(--w-mid); }
.pv-hero__cue i::after { content: ""; position: absolute; left: 0; top: -40%; width: 100%; height: 40%; background: var(--y); animation: pv-cue 1.9s var(--ease) infinite; }   /* top 대신 transform → 레이아웃 없이 합성만 */
@keyframes pv-cue { to { transform: translateY(350%); } }
.pv-hero__shade { position: absolute; inset: 0; background: linear-gradient(180deg, var(--b-2) 0%, rgba(0,0,0,0) 26%); opacity: calc(1 - var(--pull) * 1.5); }   /* 헤더 가독성용 상단만 */
.pv-hero__h1 { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; font-size: var(--fs-3xl); }   /* 영상만 보이도록 제목은 화면에서 숨김 (검색·스크린리더용) */
.pv-hero__ctrl { position: absolute; top: calc(var(--hd-h) + 16px); right: var(--gutter); z-index: 2; opacity: calc(1 - var(--pull) * 2); }
.pv-hero__caption { --cap: clamp(0, (var(--pull) - .72) * 4, 1); position: absolute; left: 0; right: 0; top: 76%; display: grid; justify-items: center; gap: 4px; text-align: center; opacity: var(--cap); transform: translateY(calc((1 - var(--cap)) * 16px)); }
.pv-hero__caption b { font-size: var(--fs-sm); font-weight: 700; letter-spacing: calc(.18em + (1 - var(--cap)) * .7em); text-transform: uppercase; }   /* 넓게 퍼져 있던 글자가 모이며 등장 */
.pv-hero__caption span { font-size: var(--fs-xs); color: var(--on-dark-2); }



/* 2. Services — 육각형 방 (벽 하나 = 서비스 하나) */
.pv-hex { background: var(--k); }
.pv-hex__stage { perspective: 1000px; }
/* 벽 = 서비스 페이지 링크. 화면에서 약 0.62배로 보이므로 글자는 크게 잡음
   상태: .is-on(정면, JS) → 모션 그래픽 재생 / :hover → 프레임·조명·제목 채움 강조 */
.pv-hex { --ww: 1400px; --wh: 1000px; }                    /* 벽 크기 (모바일은 세로형) — 육각형 반지름 = 너비 × √3/2 */
.pv-hex__wall {
  display: block; position: absolute; left: calc(var(--ww) / -2); top: calc(var(--wh) / -2); width: var(--ww); height: var(--wh); overflow: hidden; background: var(--k2); color: var(--on-dark);
  transform: rotateY(calc(var(--i) * -60deg)) translateZ(calc(var(--ww) * -.866)); backface-visibility: hidden; isolation: isolate;
}
.pv-hex__wall > * { pointer-events: none; }                    /* 마우스 대상 = 벽(링크) 하나 → 커서 좌표가 정확 */
.pv-hex__media { position: absolute; inset: 0; overflow: hidden; }
.pv-hex__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1.08); transition: transform 2.4s var(--ease); }
.pv-hex__media .pv-hex__pre { transition: transform 2.4s var(--ease), opacity 1s; }   /* 필터 대신 미리 만든 사본(영상: 색 빠진 판, 사진: 흐린 판) → 켜지면 걷힘 */
.pv-hex__wall.is-on .pv-hex__media img { transform: scale(1); }                          /* 마주하면 천천히 당겨지는 느낌 */
.pv-hex__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, var(--b-1) 0%, var(--b-1) 34%, var(--b-4) 100%); transition: background .6s; }
/* 프레임: hover 하면 안쪽으로 조여 들어옴 */
.pv-hex__wall::before { content: ""; position: absolute; inset: 28px; z-index: 3; border: 2px solid var(--w-line); pointer-events: none; transition: inset .7s var(--ease), border-color .5s; }
/* 커서를 따라다니는 조명 (--mx, --my: JS) */
.pv-hex__glow { position: absolute; inset: 0; z-index: 1; background: radial-gradient(520px circle at var(--mx, 50%) var(--my, 50%), var(--y-a1), transparent 62%); opacity: 0; transition: opacity .5s; pointer-events: none; }   /* screen 블렌드 빼고 보통 합성 (큰 3D 면이라 블렌드가 매번 다시 그려짐) */
.pv-hex__body { position: absolute; left: 90px; right: 90px; bottom: 90px; z-index: 2; max-width: 820px; }
.pv-hex__body > * { display: block; }
.pv-hex__no { font-size: var(--fs-lg); font-weight: 800; letter-spacing: .1em; color: var(--y); text-transform: uppercase; }
/* 제목: hover 하면 왼쪽 아래에서 노랑이 원형으로 번지며 채워짐 (기존 사이트 DESIGN 효과 확장) */
.pv-hex__title { position: relative; margin: 16px 0 16px; font-family: var(--f-display); font-size: var(--fs-8xl); font-weight: 800; line-height: 1.05; letter-spacing: -.055em; }
.pv-hex__title::after { content: attr(data-text); position: absolute; inset: 0; color: var(--y); clip-path: circle(0% at 0% 100%); transition: clip-path .8s var(--ease); }
.pv-hex__desc { font-size: var(--fs-xl); line-height: 1.6; color: var(--on-dark-2); }
.pv-hex__body .tags { display: flex; margin-top: 24px; gap: 8px; }
.pv-hex__body .tags span { padding: 8px 20px; font-size: var(--fs-lg); border: 1px solid var(--w-mid); border-radius: var(--radius-btn); color: var(--on-dark-2); }
.pv-hex__body .pv-hex__more {
  display: inline-flex; align-items: center; gap: 16px; height: 68px; margin-top: 32px; padding: 0 32px; border-radius: 999px;
  background: var(--y); color: var(--k); font-size: var(--fs-xl); font-weight: 800; transition: background .4s, transform .6s var(--ease), opacity .6s;
}
.pv-hex__more i { font-style: normal; transition: transform .5s var(--ease); }
.pv-motion .pv-hex__more { opacity: 0; transform: translateY(16px); }
.pv-motion .pv-hex__wall.is-on .pv-hex__more { opacity: 1; transform: none; transition-delay: 0s, .5s, .5s; }

/* 서비스 인터랙션 자리 (벽 오른쪽 위 600×380 · film/photo는 벽 전체) */
.pv-hex { --noise: url("../img/noise.webp"); }   /* 필름 그레인 — SVG feTurbulence는 큰 3D 벽에서 매번 다시 계산돼 멈춤 → 미리 만든 180px 타일 */
.pv-hex__fx { position: absolute; right: 80px; top: 80px; z-index: 2; width: 600px; height: 380px; pointer-events: none; transition: opacity .9s var(--ease), transform .9s var(--ease), translate .6s var(--ease); }
.pv-hex .pv-hex__wall:is([data-fx="film"], [data-fx="photo"]) .pv-hex__fx { inset: 0; width: auto; height: auto; z-index: 1; }
.pv-motion .pv-hex__fx { opacity: 0; transform: translateY(40px); }
.pv-motion .pv-hex__wall:is([data-fx="film"], [data-fx="photo"]) .pv-hex__fx { transform: none; }
.pv-motion .pv-hex__wall.is-on .pv-hex__fx { opacity: 1; transform: none; transition-delay: .25s; }
.pv-hex__fx > span { position: absolute; inset: 0; }
.fx-ai, .fx-web__bar em, .fx-film__bar, .fx-photo__exif, .fx-brand__chips i { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
@property --n { syntax: "<integer>"; initial-value: 0; inherits: false; }
@property --s { syntax: "<integer>"; initial-value: 0; inherits: false; }
@property --fr { syntax: "<integer>"; initial-value: 0; inherits: false; }
@keyframes fx-fade-up { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes fx-in { to { opacity: 1; } }
@keyframes fx-out { to { opacity: 0; } }
@keyframes fx-blink { 50% { opacity: .15; } }

/* hover (마우스 있는 기기만) */
@media (hover: hover) and (pointer: fine) {
  .pv-hex__wall:hover::before { inset: 44px; border-color: var(--y-a3); }
  .pv-hex__wall:not([data-fx="ai"], [data-fx="photo"]):hover .pv-hex__glow { opacity: 1; }
  .pv-hex__wall:not([data-fx="photo"]):hover .pv-hex__media img { transform: scale(1.05); }
  .pv-hex__wall:hover .pv-hex__media::after { background: linear-gradient(180deg, var(--b-1) 0%, rgba(0,0,0,.1) 34%, var(--b-4) 100%); }
  .pv-hex__wall:hover .pv-hex__title::after { clip-path: circle(150% at 0% 100%); }
  .pv-hex__wall:hover .pv-hex__more { background: var(--white); }
  .pv-hex__wall:hover .pv-hex__more i { transform: translateX(8px); }
  .pv-hex__wall:not([data-fx="film"], [data-fx="photo"]):hover .pv-hex__fx { translate: 0 -12px; }
}

/* ① 홈페이지 — 반응형 프레임: 1440 → 768 → 375로 줄면 안의 레이아웃이 3단 → 2단 → 1단으로 실제 재배치
   펼침·타일 등장은 animation이 아닌 transition → 스크롤로 벽 경계를 오가며 .is-on이 꺼졌다 켜져도 툭 사라졌다 다시 펼쳐지는 깜박임이 없음
   (꺼질 땐 바깥 .pv-hex__fx가 .9s 동안 흐려진 뒤에야 처음 상태로 되돌림 · 그 안에 다시 켜지면 그대로 유지) */
.fx-web__frame { position: absolute; left: 0; right: 0; top: 0; width: 100%; height: 100%; margin: 0 auto; overflow: hidden; border: 2px solid var(--w-strong); border-radius: 16px; background: var(--b-2); clip-path: inset(0 0 100% 0 round 16px); transition: clip-path 0s .9s, border-color .5s; }
.fx-web__bar { display: flex; align-items: center; gap: 8px; height: 46px; padding: 0 16px; border-bottom: 1px solid var(--w-line); }
.fx-web__bar i { width: 12px; height: 12px; border-radius: 50%; background: var(--w-mid); }
.fx-web__bar i:first-child { background: var(--y); }
.fx-web__bar em { position: relative; margin-left: auto; width: 64px; height: 22px; font-style: normal; font-size: var(--fs-md); text-align: right; color: var(--on-dark-2); }
.fx-web__bar em b { position: absolute; right: 0; top: 0; font-weight: 600; opacity: 0; }
.fx-web__bar em b:first-child { opacity: 1; }
.fx-web__grid { position: absolute; inset: 46px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); grid-auto-rows: 62px; gap: 12px; align-content: start; padding: 16px; }
.fx-web__grid i { border-radius: 8px; background: var(--w-mid); outline: 1px solid var(--w-line); outline-offset: -1px; opacity: 0; transform: translateY(16px); transition: opacity 0s .9s, transform 0s .9s; }
.fx-web__grid .is-hero { grid-column: 1 / -1; grid-row: span 2; background: linear-gradient(120deg, var(--y), color-mix(in srgb, var(--y) 25%, var(--k4))); }
.is-on .fx-web__frame { clip-path: inset(0 0 0 0 round 16px); transition: clip-path .9s .3s var(--ease), border-color .5s; animation: fx-web-resize 9s 1.8s var(--ease) infinite; }   /* 너비 애니메이션(레이아웃)은 정면일 때만 */
.is-on .fx-web__grid i { opacity: 1; transform: none; transition: opacity .6s var(--ease) var(--d, .9s), transform .6s var(--ease) var(--d, .9s); }
.fx-web__grid i:nth-child(2) { --d: 1s; } .fx-web__grid i:nth-child(3) { --d: 1.06s; } .fx-web__grid i:nth-child(4) { --d: 1.12s; }
.fx-web__grid i:nth-child(5) { --d: 1.18s; } .fx-web__grid i:nth-child(6) { --d: 1.24s; } .fx-web__grid i:nth-child(7) { --d: 1.3s; }
.is-on .fx-web__bar em b:nth-child(1) { animation: fx-web-l1 9s 1.8s infinite; }
.is-on .fx-web__bar em b:nth-child(2) { animation: fx-web-l2 9s 1.8s infinite; }
.is-on .fx-web__bar em b:nth-child(3) { animation: fx-web-l3 9s 1.8s infinite; }
@keyframes fx-web-resize { 0%, 22% { width: 100%; } 33%, 55% { width: 64%; } 66%, 88% { width: 36%; } 100% { width: 100%; } }
@keyframes fx-web-l1 { 0%, 27% { opacity: 1; } 28%, 94% { opacity: 0; } 95%, 100% { opacity: 1; } }
@keyframes fx-web-l2 { 0%, 27% { opacity: 0; } 28%, 60% { opacity: 1; } 61%, 100% { opacity: 0; } }
@keyframes fx-web-l3 { 0%, 60% { opacity: 0; } 61%, 94% { opacity: 1; } 95%, 100% { opacity: 0; } }
@media (hover: hover) and (pointer: fine) {
  .pv-hex__wall:hover .fx-web__frame { border-color: var(--y); }
}

/* ② 브랜드 디자인 — 브랜드 가이드 구성선이 그려지고 로고·컬러가 놓임 */
.fx-brand__guide { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; stroke: var(--y); stroke-width: 2.5; transition: scale 1s var(--ease); }   /* drop-shadow 빼냄: 선이 그려지는 매 프레임 큰 벽 전체를 다시 그림 */
.fx-brand__guide > * { stroke-dasharray: 1; stroke-dashoffset: 1; }
.fx-brand__guide line { stroke-opacity: .6; stroke-width: 1.5; }
.fx-brand__logo { position: absolute; left: 50%; top: 50%; width: 300px; height: auto; transform: translate(-50%, -50%) scale(1.12); opacity: 0; }   /* 흐림(blur) 대신 살짝 큰 데서 내려앉으며 나타남 */
.fx-brand__chips { position: absolute; left: 0; bottom: -6px; display: flex; gap: 8px; }
.fx-brand__chips i { display: inline-flex; align-items: center; gap: 8px; padding: 8px 16px 8px 8px; border-radius: 999px; font-style: normal; font-size: var(--fs-sm); color: var(--w-strong); background: var(--b-3); border: 1px solid var(--w-line); opacity: 0; transition: translate .5s var(--ease); }
.fx-brand__chips i::before { content: ""; width: 24px; height: 24px; border-radius: 50%; background: var(--c); border: 1px solid var(--w-mid); }
.is-on .fx-brand__guide > * { animation: fx-draw 1.6s var(--ease) forwards; }
.is-on .fx-brand__guide > :nth-child(2) { animation-delay: .1s; } .is-on .fx-brand__guide > :nth-child(3) { animation-delay: .2s; }
.is-on .fx-brand__guide > :nth-child(4) { animation-delay: .3s; } .is-on .fx-brand__guide > :nth-child(5) { animation-delay: .35s; }
.is-on .fx-brand__guide > :nth-child(6) { animation-delay: .45s; } .is-on .fx-brand__guide > :nth-child(7) { animation-delay: .5s; }
.is-on .fx-brand__guide > :nth-child(8) { animation-delay: .6s; } .is-on .fx-brand__guide > :nth-child(9) { animation-delay: .65s; }
.is-on .fx-brand__logo { animation: fx-logo 1s 1.5s var(--ease) forwards; }
.is-on .fx-brand__chips i { animation: fx-fade-up .7s var(--ease) forwards; }
.is-on .fx-brand__chips i:nth-child(1) { animation-delay: 2s; } .is-on .fx-brand__chips i:nth-child(2) { animation-delay: 2.1s; } .is-on .fx-brand__chips i:nth-child(3) { animation-delay: 2.2s; }
@keyframes fx-draw { to { stroke-dashoffset: 0; } }
@keyframes fx-logo { to { opacity: 1; transform: translate(-50%, -50%); } }
@media (hover: hover) and (pointer: fine) {
  .pv-hex__wall:hover .fx-brand__guide { scale: 1.07; }
  .pv-hex__wall:hover .fx-brand__chips i { translate: 0 -8px; }
  .pv-hex__wall:hover .fx-brand__chips i:nth-child(2) { transition-delay: .05s; } .pv-hex__wall:hover .fx-brand__chips i:nth-child(3) { transition-delay: .1s; }
}

/* ③ AI 콘텐츠 — 프롬프트 입력(0.5~2.3s) → 생성(2.6~5.6s): 진행률과 같은 속도로 스캔선이 내려가며 결과가 드러남
   → 100%가 되는 순간 결과(눈 감은 모습)가 완성 / hover: 커서 기준 왼쪽 결과 · 오른쪽 원본 비교 */
.pv-hex__wall[data-fx="ai"] .pv-hex__fx { top: auto; bottom: 90px; width: 560px; height: 200px; }   /* 얼굴을 가리지 않게 오른쪽 아래 */
.pv-hex__img2 { clip-path: inset(0 0 100% 0); }
.pv-hex__img0 { opacity: 0; clip-path: inset(0 0 0 var(--mx, 50%)); transition: opacity .35s; }
.pv-hex__scan { position: absolute; left: 0; right: 0; top: 0; height: 3px; background: var(--y); box-shadow: var(--glow); opacity: 0; }
.pv-hex__scan::before { content: ""; position: absolute; left: 0; right: 0; bottom: 3px; height: 180px; background: linear-gradient(transparent, var(--y-a1)); }
.pv-hex__compare { position: absolute; inset: 0; z-index: 1; opacity: 0; transition: opacity .35s; }
.pv-hex__compare::before { content: ""; position: absolute; top: 0; bottom: 0; left: var(--mx, 50%); width: 2px; margin-left: -1px; background: var(--white); box-shadow: var(--sh-sm); }
.pv-hex__compare b { position: absolute; top: 46%; padding: 8px 16px; border-radius: 999px; background: var(--b-3); font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: var(--fs-sm); letter-spacing: .14em; color: var(--on-dark); }
.pv-hex__compare b:first-child { right: calc(100% - var(--mx, 50%) + 18px); color: var(--y); }
.pv-hex__compare b:last-child { left: calc(var(--mx, 50%) + 18px); }
.fx-ai { top: auto; padding: 24px 32px 28px; border-radius: 16px; background: var(--b-3); border: 1px solid var(--w-line); box-shadow: var(--sh-lg); }
.fx-ai__prompt small { display: block; margin-bottom: 8px; font-size: var(--fs-sm); letter-spacing: .2em; text-transform: uppercase; color: var(--y); }
.fx-ai__prompt em { display: block; width: 0; overflow: hidden; white-space: nowrap; font-style: normal; font-size: var(--fs-xl); color: var(--on-dark); border-right: 3px solid var(--y); }
.fx-ai__status { position: relative; display: flex; align-items: center; gap: 16px; margin-top: 20px; }
.fx-ai__bar { flex: 1; height: 4px; border-radius: 2px; background: var(--w-line); overflow: hidden; }
.fx-ai__bar i { display: block; width: 0; height: 100%; background: var(--y); }
.fx-ai__num { min-width: 72px; text-align: right; font-size: var(--fs-xl); color: var(--y); counter-reset: n var(--n); }
.fx-ai__num::after { content: counter(n) "%"; }
.fx-ai__done { position: absolute; right: 0; font-size: var(--fs-xl); color: var(--y); opacity: 0; }
.fx-ai__done::before { content: "✓ "; }
.is-on .fx-ai__prompt em { animation: fx-type 1.8s .5s steps(25) forwards, fx-caret .9s step-end infinite; }
.is-on .fx-ai__bar i { animation: fx-grow 3s 2.6s ease-in-out forwards; }
.is-on .fx-ai__num { animation: fx-count 3s 2.6s ease-in-out forwards, fx-out .3s 5.75s forwards; }
.is-on .fx-ai__done { animation: fx-in .4s 5.85s forwards; }
.is-on .pv-hex__img2 { animation: fx-reveal 3s 2.6s ease-in-out forwards; }
.is-on .pv-hex__scan { animation: fx-scan 3s 2.6s ease-in-out forwards; }
@keyframes fx-type { to { width: 25.2ch; } }
@keyframes fx-caret { 50% { border-color: transparent; } }
@keyframes fx-grow { to { width: 100%; } }
@keyframes fx-count { to { --n: 100; } }
@keyframes fx-reveal { to { clip-path: inset(0 0 0 0); } }
@keyframes fx-scan { 0% { top: 0; opacity: 1; } 97% { top: 100%; opacity: 1; } 100% { top: 100%; opacity: 0; } }
@media (hover: hover) and (pointer: fine) {
  .pv-hex__wall[data-fx="ai"] { cursor: ew-resize; }        /* VIEW 커서 대신 비교 커서 */
  .pv-hex__wall:hover .pv-hex__img0, .pv-hex__wall:hover .pv-hex__compare { opacity: 1; }
}

/* ④ 영상 — 시네마 레터박스가 닫히고, 사진이 영화 장면처럼 천천히 다가오며 색보정(그레이딩)이 입혀짐 */
/* 색보정: 바탕 = 보정 끝난 사본(_grade), 위 = 색 빠진 사본(_flat) → 켜지면 위 판이 2초 동안 걷힘 (filter 안 씀) */
.pv-hex__wall[data-fx="film"].is-on .pv-hex__media img { animation: fx-push 14s .4s linear forwards; }
.pv-hex__wall[data-fx="film"].is-on .pv-hex__pre { opacity: 0; transition: transform 2.4s var(--ease), opacity 2s .6s; }
@keyframes fx-push { from { scale: 1; } to { scale: 1.12; } }
.fx-film__bar { position: absolute; left: 0; right: 0; height: 130px; background: var(--k); transition: transform 1s var(--ease), height .8s var(--ease); }
.fx-film__bar.is-top { top: 0; transform: translateY(-100%); display: flex; align-items: flex-end; gap: 28px; padding: 0 88px 24px; font-size: var(--fs-lg); color: var(--w-strong); }
.fx-film__bar.is-bottom { bottom: 0; transform: translateY(100%); }
.fx-film__rec { display: inline-flex; align-items: center; gap: 8px; margin-right: auto; font-weight: 700; letter-spacing: .14em; }
.fx-film__rec i { width: 14px; height: 14px; border-radius: 50%; background: var(--danger); filter: drop-shadow(0 0 6px var(--danger)); }
.fx-film__meta { font-weight: 400; color: var(--on-dark-3); }
.fx-film__tc { font-weight: 400; counter-reset: s var(--s) fr var(--fr); }
.fx-film__tc::after { content: "00:00:" counter(s, decimal-leading-zero) ":" counter(fr, decimal-leading-zero); }
.fx-film::after { content: ""; position: absolute; inset: -40px; background-image: var(--noise); opacity: 0; transition: opacity 1s; pointer-events: none; }
.is-on .fx-film__bar { transform: none; transition-delay: .2s, 0s; }
.is-on .fx-film__rec i { animation: fx-blink 1.2s step-end infinite; }
.is-on .fx-film__tc { animation: fx-sec 60s 1s steps(60) forwards, fx-frame 1s 1s steps(24) infinite; }
.is-on .fx-film::after { opacity: .07; animation: fx-grain .5s steps(3) infinite; }
@keyframes fx-sec { to { --s: 60; } }
@keyframes fx-frame { to { --fr: 24; } }
@keyframes fx-grain { 0% { transform: translate(0, 0); } 33% { transform: translate(-18px, 12px); } 66% { transform: translate(14px, -16px); } 100% { transform: translate(0, 0); } }
@media (hover: hover) and (pointer: fine) {
  .pv-hex__wall.is-on:hover .fx-film__bar { height: 175px; }   /* 화면비가 더 좁아짐 */
}

/* ⑤ 사진 — 셔터가 닫혔다 열리며 흐릿하던 사진에 초점이 맞음 / hover: 커서를 따라다니는 확대 루페 */
/* 초점: 위 = 미리 흐리게 만든 작은 사본(_blur) → 셔터 뒤 걷히며 선명한 바탕이 드러남 (filter 안 씀) */
.pv-hex__wall[data-fx="photo"].is-on .pv-hex__pre { opacity: 0; transition: transform 2.4s var(--ease), opacity .9s .85s ease-out; }
.fx-photo__shutter::before, .fx-photo__shutter::after { content: ""; position: absolute; left: 0; right: 0; height: 50.5%; background: var(--k); transform: scaleY(0); }
.fx-photo__shutter::before { top: 0; transform-origin: 50% 0; }
.fx-photo__shutter::after { bottom: 0; transform-origin: 50% 100%; }
.fx-photo__focus { position: absolute; right: 260px; top: 150px; width: 210px; height: 210px; opacity: 0; transition: opacity .3s; }
.fx-photo__focus i { position: absolute; width: 42px; height: 42px; border: 0 solid var(--y); }
.fx-photo__focus i:nth-child(1) { left: 0; top: 0; border-width: 4px 0 0 4px; }
.fx-photo__focus i:nth-child(2) { right: 0; top: 0; border-width: 4px 4px 0 0; }
.fx-photo__focus i:nth-child(3) { left: 0; bottom: 0; border-width: 0 0 4px 4px; }
.fx-photo__focus i:nth-child(4) { right: 0; bottom: 0; border-width: 0 4px 4px 0; }
.fx-photo__exif { position: absolute; right: 90px; top: 90px; padding: 8px 16px; border-radius: 999px; border: 1px solid var(--w-mid); background: var(--b-2); font-size: var(--fs-md); color: var(--on-dark); opacity: 0; }
.fx-photo__loupe {
  position: absolute; left: var(--mx, 50%); top: var(--my, 50%); width: 320px; height: 320px; margin: -160px 0 0 -160px; border-radius: 50%;
  border: 3px solid var(--w-strong); box-shadow: var(--sh-lg);
  background: var(--src) no-repeat; background-size: auto 2200px; background-position: var(--mx, 50%) var(--my, 50%);
  opacity: 0; scale: .4; transition: opacity .3s, scale .5s var(--ease);
}
.fx-photo__loupe::after { content: ""; position: absolute; left: 50%; top: 50%; width: 26px; height: 26px; margin: -13px; background: linear-gradient(var(--white), var(--white)) 50% / 2px 100% no-repeat, linear-gradient(var(--white), var(--white)) 50% / 100% 2px no-repeat; opacity: .7; }
.is-on .fx-photo__shutter::before, .is-on .fx-photo__shutter::after { animation: fx-shutter .6s .45s cubic-bezier(.7, 0, .3, 1); }
.is-on .fx-photo__focus { animation: fx-focus 1.1s .95s var(--ease) forwards; }
.is-on .fx-photo__exif { animation: fx-fade-up .7s 1.7s var(--ease) forwards; }
@keyframes fx-shutter { 0% { transform: scaleY(0); } 42%, 58% { transform: scaleY(1); } 100% { transform: scaleY(0); } }
@keyframes fx-focus { 0% { opacity: 0; transform: scale(1.7); } 55% { opacity: 1; transform: scale(.9); } 75% { transform: scale(1.04); } 100% { opacity: 1; transform: scale(1); } }
@media (hover: hover) and (pointer: fine) {
  .pv-hex__wall[data-fx="photo"] { cursor: none; }          /* 루페가 커서 역할 */
  .pv-hex__wall:hover .fx-photo__loupe { opacity: 1; scale: 1; }
  .pv-hex__wall:hover .fx-photo__focus { opacity: 0 !important; }
}

/* ⑥ 마케팅 — 성장 곡선이 그려지고 키워드가 떠오름 (근거 없는 수치는 넣지 않음) */
.fx-mkt__head { position: absolute; left: 0; top: 0; opacity: 0; }
.fx-mkt__head b { display: block; font-family: var(--f-display); font-size: var(--fs-8xl); font-weight: 800; line-height: 1; letter-spacing: -.05em; color: var(--on-dark); }
.fx-mkt__head small { display: block; margin-top: 8px; font-size: var(--fs-lg); color: var(--on-dark-2); }
.fx-mkt__chart { position: absolute; left: 0; bottom: 0; width: 100%; height: 240px; overflow: visible; }
.fx-mkt__area { fill: url(#fxMktFill); opacity: 0; transition: opacity 1s; }
.fx-mkt__line { stroke: var(--y); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 1; stroke-dashoffset: 1; transition: filter .5s; }
.fx-mkt__dot { position: absolute; right: -10px; top: 152px; width: 20px; height: 20px; border-radius: 50%; background: var(--y); transform: scale(0); }
.fx-mkt__dot::after { content: ""; position: absolute; inset: -12px; border-radius: 50%; border: 2px solid var(--y); opacity: 0; }
.fx-mkt__chips { position: absolute; left: 0; top: 150px; display: flex; gap: 8px; }   /* 곡선이 낮은 왼쪽 위 빈자리 */
.fx-mkt__chips i { padding: 8px 16px; border-radius: 999px; background: var(--b-3); border: 1px solid var(--w-line); font-style: normal; font-size: var(--fs-lg); font-weight: 700; color: var(--on-dark); opacity: 0; transition: translate .6s var(--ease); }
.is-on .fx-mkt__head { animation: fx-fade-up .7s .3s var(--ease) forwards; }
.is-on .fx-mkt__line { animation: fx-draw 2.2s .7s cubic-bezier(.6, 0, .2, 1) forwards; }
.is-on .fx-mkt__area { opacity: 1; transition-delay: 2.2s; }
.is-on .fx-mkt__dot { animation: fx-pop .5s 2.8s var(--ease) forwards; }
.is-on .fx-mkt__dot::after { animation: fx-ring 1.8s 3.2s ease-out infinite; }
.is-on .fx-mkt__chips i { animation: fx-fade-up .7s var(--ease) forwards; }
.is-on .fx-mkt__chips i:nth-child(1) { animation-delay: 2.5s; } .is-on .fx-mkt__chips i:nth-child(2) { animation-delay: 2.62s; } .is-on .fx-mkt__chips i:nth-child(3) { animation-delay: 2.74s; }
@keyframes fx-pop { to { transform: scale(1); } }
@keyframes fx-ring { 0% { opacity: .9; transform: scale(.4); } 100% { opacity: 0; transform: scale(1.6); } }
@media (hover: hover) and (pointer: fine) {
  .pv-hex__wall:hover .fx-mkt__line { filter: drop-shadow(0 0 10px var(--y)); }
  .pv-hex__wall:hover .fx-mkt__chips i { translate: 0 -10px; }
  .pv-hex__wall:hover .fx-mkt__chips i:nth-child(2) { transition-delay: .05s; } .pv-hex__wall:hover .fx-mkt__chips i:nth-child(3) { transition-delay: .1s; }
}

/* 3. Portfolio — 조명이 떨어지는 갤러리 벽을 따라 이동 */
.pv-gal { background: var(--k); }
.pv-gal__stage { perspective: 1200px; }
.pv-gal__wall { position: absolute; left: -1600px; top: -760px; width: 10400px; height: 1160px; background: linear-gradient(180deg, var(--k2) 0%, var(--k3) 60%, var(--k3) 100%); }
.pv-gal__floor {
  position: absolute; left: -1600px; top: 400px; width: 10400px; height: 1800px; transform-origin: 50% 0; transform: rotateX(90deg);
  background: linear-gradient(180deg, var(--k3) 0%, var(--k) 70%);
}
.pv-gal__piece, .pv-gal__text { position: absolute; top: -330px; transform: translateZ(2px); color: var(--on-dark); transition: opacity .8s; }
.pv-gal__piece { left: calc(var(--i) * 620px - 230px); width: 460px; }
.pv-gal__piece.is-past, .pv-gal__text.is-past { opacity: .12; }
.pv-motion .pv-gal__piece.is-past { opacity: calc(.12 * (1 - var(--face, 0))); }   /* 연혁을 마주하면 지나온 작품은 사라짐 */
.pv-gal__light { position: absolute; left: -260px; right: -260px; top: -330px; height: 900px; background: radial-gradient(ellipse 42% 58% at 50% 0, var(--lamp), transparent 72%); opacity: .35; transition: opacity .8s; pointer-events: none; }
.is-on > .pv-gal__light { opacity: 1; }
.pv-gal__frame { position: relative; display: block; padding: 24px; background: var(--paper-warm); border: 14px solid var(--k2); box-shadow: var(--sh-lg); }
.pv-gal__frame img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.pv-gal__plate { position: relative; display: grid; gap: 2px; margin: 36px auto 0; width: 300px; padding: 16px 16px; background: var(--paper-warm); color: var(--ink); text-align: left; box-shadow: var(--sh-sm); opacity: .35; transform: translateY(14px); transition: opacity .8s, transform .9s var(--ease); }
.pv-gal__piece.is-on .pv-gal__plate { opacity: 1; transform: none; transition-delay: .25s; }
.pv-gal__plate small { font-size: var(--fs-xs); font-weight: 700; color: var(--ink2); }
.pv-gal__plate b { font-size: var(--fs-lg); font-weight: 800; letter-spacing: -.03em; }
.pv-gal__plate em { font-style: normal; font-size: var(--fs-xs); color: var(--ink2); }
/* 작품: 앞에 서면 조명이 깜빡이며 켜지고, 유리에 빛이 한 번 지나가고, 그림이 천천히 다가옴
   hover: 액자가 떠오르며 커서 쪽으로 기울고(--px, --py: JS) 반사광이 따라 움직임 */
.pv-gal__piece > * { pointer-events: none; }                    /* 마우스 대상 = 작품 링크 하나 → 기울기 좌표가 정확 */
.pv-gal__frame { transition: transform .5s var(--ease), box-shadow .7s var(--ease); }
.pv-gal__frame img { display: block; transition: transform 1.2s var(--ease); }
.pv-gal__sheen { position: absolute; inset: 22px; overflow: hidden; pointer-events: none; mix-blend-mode: screen; }
.pv-gal__sheen::before { content: ""; position: absolute; inset: 0; background: linear-gradient(115deg, transparent 32%, var(--on-dark-3) 48%, transparent 62%); background-size: 260% 100%; background-position: 150% 0; }
.pv-gal__piece.is-on > .pv-gal__light, .pv-gal__text.is-on > .pv-gal__light { animation: pv-lamp 1.1s linear; }
.pv-gal__piece.is-on .pv-gal__sheen::before { animation: pv-sheen 1.6s .35s var(--ease); }
.pv-gal__piece.is-on .pv-gal__frame img { animation: pv-kenburns 10s .2s ease-out forwards; }
@keyframes pv-lamp { 0% { opacity: .35; } 10% { opacity: 1; } 18% { opacity: .3; } 27% { opacity: 1; } 34% { opacity: .6; } 42%, 100% { opacity: 1; } }
@keyframes pv-sheen { from { background-position: 150% 0; } to { background-position: -60% 0; } }
@keyframes pv-kenburns { to { scale: 1.07; } }
/* 수상작 배지: 액자 모서리의 메달, 빛이 주기적으로 스침 */
.pv-gal__badge { position: absolute; right: -26px; top: -26px; z-index: 2; display: grid; place-content: center; width: 112px; height: 112px; border-radius: 50%; overflow: hidden; background: radial-gradient(circle at 35% 30%, var(--y-soft), var(--y) 45%, var(--y2)); color: var(--ink); text-align: center; font-size: var(--fs-xs); font-weight: 800; line-height: 1.25; transform: rotate(-12deg); box-shadow: var(--sh-md); outline: 4px solid var(--w-mid); outline-offset: -4px; }
.pv-gal__badge b { display: block; font-size: var(--fs-2xs); letter-spacing: .08em; }
.pv-gal__badge::after { content: ""; position: absolute; inset: -40%; background: linear-gradient(115deg, transparent 40%, var(--on-dark-2) 50%, transparent 60%); transform: translateX(-60%); animation: pv-badge 3.6s 1s ease-in-out infinite; }
@keyframes pv-badge { 0%, 60% { transform: translateX(-60%); } 100% { transform: translateX(60%); } }
@media (hover: hover) and (pointer: fine) {
  .pv-gal__piece:hover .pv-gal__frame { transform: translateY(-14px) rotateX(calc(var(--py, 0) * -12deg)) rotateY(calc(var(--px, 0) * 14deg)); box-shadow: var(--sh-xl); }
  .pv-gal__piece:hover .pv-gal__frame img { transform: scale(1.05); }
  .pv-gal__piece:hover .pv-gal__sheen::before { animation: none; background-position: calc(50% - var(--px, 0) * 140%) 0; transition: background-position .2s; }
  .pv-gal__piece:hover > .pv-gal__light, .pv-gal__piece:hover .pv-gal__plate { opacity: 1; }
  .pv-gal__piece.is-past:hover { opacity: .5; }
}

/* 섹션 내비 (오른쪽 세로): 현재 섹션 표시 · 누르면 이동 (JS) */
.pv-nav { position: fixed; right: 28px; top: 50%; z-index: var(--z-nav); display: grid; justify-items: end; gap: 16px; transform: translateY(-50%); opacity: 0; pointer-events: none; transition: opacity .5s, color .4s; color: var(--on-dark-3); }
.pv-nav.is-show { opacity: 1; pointer-events: auto; }
.pv-nav.is-dark { color: rgba(0, 0, 0, .72); }
.pv-nav button { display: flex; align-items: center; gap: 12px; height: 18px; font-size: var(--fs-2xs); font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: inherit; cursor: pointer; transition: color .3s; }
.pv-nav button::after { content: ""; width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid currentColor; transition: background .3s, transform .3s var(--ease); }
.pv-nav span { opacity: 0; transform: translateX(8px); transition: opacity .3s, transform .4s var(--ease); }
.pv-nav button.is-on { color: var(--y); }
.pv-nav.is-dark button.is-on { color: var(--k); }
.pv-nav button.is-on::after { background: currentColor; transform: scale(1.35); }
.pv-nav button.is-on span, .pv-nav button:hover span, .pv-nav button:focus-visible span { opacity: 1; transform: none; }
.pv-nav button:hover { color: var(--on-dark); }
.pv-nav.is-dark button:hover { color: var(--k); }
@media (max-width: 960px) { .pv-nav { display: none; } }

/* 마지막 벽면: 연혁 (벽에 직접 쓴 레터링) — 정면으로 마주한 뒤 스크롤하면 연도별로 넘어감 */
.pv-gal__text { left: calc(var(--i) * 620px - 400px); width: 800px; }
.pv-gal__text .eyebrow { position: relative; }
/* 성장 막대: 연도 레일 아래, 벽에서 튀어나온 블록 — 벽을 마주하는 만큼 자라남(--face) · 지금 연도만 빛남(--a: JS)
   폭 = 연도 글자 폭(2.4em, 같은 글자 크기 기준) / 목록과 같은 순서로 나오므로 뒤집어서 왼쪽부터 오래된 해 */
.pv-grow { position: absolute; left: 0; top: 360px; width: 2.4em; height: 0; font-size: var(--fs-8xl); display: flex; flex-direction: row-reverse; align-items: flex-end; gap: 10px; transform-style: preserve-3d; }
.pv-motion .pv-hist > .pv-grow { opacity: 1; transform: none; }   /* 부모 opacity는 3D를 납작하게 만듦 → 막대 단위로 */
.pv-grow__bar {
  --d: 22px; --a: 0; position: relative; flex: 1; height: calc(10px + var(--h) * 150px); transform-style: preserve-3d; transform-origin: 50% 100%;
  transform: translateZ(var(--d)) scaleY(max(.02, var(--face, 1)));
  background: linear-gradient(color-mix(in srgb, var(--y) calc(var(--a) * 22%), var(--k3)), var(--k3));
  box-shadow: inset 0 1px color-mix(in srgb, var(--y) calc(var(--a) * 100%), var(--w-line));
}
.pv-grow__bar::before, .pv-grow__bar::after { content: ""; position: absolute; }
.pv-grow__bar::before { left: 0; right: 0; top: 0; height: var(--d); transform-origin: 50% 0; transform: rotateX(-90deg); background: color-mix(in srgb, var(--y) calc(var(--a) * 45%), var(--k4)); }   /* 윗면 */
.pv-grow__bar::after { left: 100%; top: 0; bottom: 0; width: var(--d); transform-origin: 0 50%; transform: rotateY(90deg); background: var(--k2); }   /* 옆면 */
.pv-grow__bar b, .pv-grow__bar i { position: absolute; left: 0; right: 0; text-align: center; font-style: normal; font-variant-numeric: tabular-nums; }
.pv-grow__bar b { top: calc(100% + 10px); font-size: var(--fs-2xs); font-weight: 800; letter-spacing: .04em; color: color-mix(in srgb, var(--y) calc(var(--a) * 100%), var(--on-dark-3)); }
.pv-grow__bar i { bottom: calc(100% + 6px); font-size: var(--fs-sm); font-weight: 800; color: color-mix(in srgb, var(--y) calc(var(--a) * 100%), var(--on-dark-3)); }
.pv-gal__text h3 { position: relative; margin-bottom: 32px; font-family: var(--f-display); font-size: var(--fs-4xl); font-weight: 700; letter-spacing: -.05em; }
.pv-hist { position: relative; display: grid; grid-template-columns: max-content 1fr; gap: 0 48px; }
/* 큰 연도 = 벽에 박힌 회전 드럼 (착시)
   드럼 중심을 반지름만큼 벽 뒤로 넣어, 정면 면은 벽 표면과 같은 높이 → 벽에 인쇄된 글자처럼 보임
   스크롤하면 드럼이 돌며 다음 연도가 아래에서 올라오고, 돌아가는 면은 벽 속으로 잠김(갤러리 벽에 가려짐) → 입체였다는 게 드러남
   회전(--hq)·면 밝기(opacity)·등장(--rev)은 JS. 3D 유지를 위해 조상은 preserve-3d, opacity는 면에만 */
.pv-gal__text, .pv-hist, .pv-hist__year { transform-style: preserve-3d; }
.pv-hist__year { position: relative; width: 2.4em; height: 1em; font-family: var(--f-display); font-size: var(--fs-8xl); font-weight: 800; line-height: 1; letter-spacing: -.04em; color: var(--y); font-variant-numeric: tabular-nums; }
.pv-motion .pv-hist > .pv-hist__year { opacity: 1; transform: none; }   /* 등장 효과는 면 단위로 (부모 opacity는 3D를 납작하게 만듦) */
/* 드럼이 들어 있는 홈: 위아래로 아주 옅은 선 → 돌아갈 때 '틈'으로 읽힘 */
.pv-hist__year::before, .pv-hist__year::after { content: ""; position: absolute; left: -.08em; right: -.08em; height: 1px; background: linear-gradient(90deg, transparent, var(--w-line) 15%, var(--w-line) 85%, transparent); }
.pv-hist__year::before { top: -.06em; }
.pv-hist__year::after { bottom: -.06em; }
.pv-hist__drum { position: absolute; inset: 0; transform-style: preserve-3d; transform: translateZ(calc(var(--r) * -1)) rotateX(calc(var(--hq, 0) * var(--step))); }
.pv-hist__drum b { position: absolute; inset: 0; display: grid; place-items: center; font-weight: inherit; backface-visibility: hidden; transform: rotateX(calc(var(--i) * var(--step) * -1)) translateZ(var(--r)); }
.pv-motion .pv-hist__drum b { opacity: 0; }
/* 진행 레일: 큰 연도 아래, 연도마다 눈금 + 현재 위치까지 채워짐 (--hp: JS) */
.pv-hist__rail { position: absolute; left: 0; top: 124px; width: 100%; max-width: var(--year-w, 240px); height: 3px; background: var(--w-line); }
.pv-hist__rail i { position: absolute; left: 0; top: 0; bottom: 0; width: calc(var(--hp, 0) * 100%); background: var(--y); box-shadow: var(--glow); }
.pv-hist__rail i::after { content: ""; position: absolute; right: -6px; top: 50%; width: 12px; height: 12px; margin-top: -6px; border-radius: 50%; background: var(--y); outline: 5px solid var(--y-a1); }
.pv-hist__view { height: 420px; overflow: hidden; -webkit-mask-image: linear-gradient(#000 70%, transparent); mask-image: linear-gradient(#000 70%, transparent); }
.pv-motion .pv-hist__list { will-change: transform; }
.pv-hist__group { padding-bottom: 36px; }
.pv-motion .pv-hist__group { opacity: .25; }   /* JS가 현재 연도와의 거리에 따라 연속으로 조절 */
.pv-hist__group small { display: block; padding-bottom: 8px; font-size: var(--fs-xs); font-weight: 800; letter-spacing: .12em; color: var(--y); }
.pv-hist__item { display: grid; grid-template-columns: 44px 1fr; gap: 2px 12px; padding: 12px 0; border-bottom: 1px solid var(--w-line); }
.pv-hist__item span { grid-row: span 2; font-weight: 800; color: var(--y); font-variant-numeric: tabular-nums; }
.pv-hist__item b { font-size: var(--fs-md); font-weight: 700; letter-spacing: -.02em; }
.pv-motion .pv-hist__item { transform: translateX(calc((1 - var(--a, 1)) * (28px + var(--k, 0) * 16px))); }   /* 현재 연도가 되면 항목이 차례로 제자리로 (--a: JS) */
.pv-hist__item em { font-style: normal; font-size: var(--fs-xs); line-height: 1.5; color: var(--on-dark-2); }
/* 정면으로 돌아서는 동안(--face 0→1, JS) 연혁이 차례로 올라옴 */
.pv-motion .pv-hist > * { --r: clamp(0, var(--face, 1) * 2.8 - 1 - var(--j, 0) * .25, 1); opacity: var(--r); transform: translateY(calc((1 - var(--r)) * 24px)); }
.pv-motion .pv-hist__view { --j: 1; }
.pv-gal__foot { position: absolute; left: 0; right: 0; bottom: calc(clamp(24px, 5vh, 48px) + var(--dock-space, 0px)); display: flex; align-items: center; gap: 24px; }
.pv-gal__count { font-size: var(--fs-sm); font-weight: 700; color: var(--on-dark-2); font-variant-numeric: tabular-nums; }
.pv-gal__count b { font-size: var(--fs-xl); font-weight: 800; color: var(--y); }
.pv-gal__bar { position: relative; flex: 0 1 260px; height: 2px; background: var(--line); }
.pv-gal__bar i { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--y); }
.pv-gal__foot .btn { margin-left: auto; }

/* 4. Process — 계단을 한 칸씩 */
.pv-stairs { background: var(--k); }
.pv-stairs__stage { perspective: 900px; perspective-origin: 50% 42%; }
.pv-step { --R: 260px; --D: 560px; --W: 1100px; position: absolute; left: 0; top: 0; transform-style: preserve-3d; }
.pv-step__riser, .pv-step__tread { position: absolute; left: calc(var(--W) / -2); top: 0; width: var(--W); }
.pv-step__riser {
  height: var(--R); display: flex; align-items: center; gap: 36px; padding: 0 64px;
  transform: translate3d(0, calc((var(--i) + 1) * var(--R) * -1), calc(var(--i) * var(--D) * -1));
  background: linear-gradient(180deg, var(--k4), var(--k3)); border-top: 3px solid var(--y);
}
.pv-step__riser b { font-family: var(--f-display); font-size: var(--fs-10xl); font-weight: 800; line-height: 1; letter-spacing: -.05em; color: var(--y); }
.pv-step__riser span { display: grid; gap: 8px; }
.pv-step__riser strong { font-family: var(--f-display); font-size: var(--fs-5xl); font-weight: 700; line-height: 1.1; letter-spacing: -.05em; }
.pv-step__riser em { font-style: normal; font-size: var(--fs-xl); color: var(--on-dark-2); }
.pv-step__tread {
  height: var(--D); transform-origin: 50% 0;
  transform: translate3d(0, calc((var(--i) + 1) * var(--R) * -1), calc(var(--i) * var(--D) * -1)) rotateX(-90deg);
  background: linear-gradient(180deg, var(--k4), var(--k3) 70%);
}
.pv-step.is-on .pv-step__riser { background: linear-gradient(180deg, var(--k4), var(--k3)); }
/* 오를수록 불이 켜짐: 아직 안 오른 칸은 어둡게, 지금 칸은 빛이 한 번 훑고 지나가며 번호가 빛남, 지나온 칸은 디딤판 LED가 켜진 채 */
.pv-step__riser { overflow: hidden; transition: filter .7s, box-shadow .7s; }
.pv-step:not(.is-on):not(.is-past) .pv-step__riser { filter: brightness(.5) saturate(.6); }
.pv-step.is-on .pv-step__riser { box-shadow: var(--glow); }
.pv-step__riser::after { content: ""; position: absolute; top: 0; bottom: 0; left: -45%; width: 40%; background: linear-gradient(90deg, transparent, var(--y-a1), transparent); transform: skewX(-20deg); opacity: 0; pointer-events: none; }
.pv-step.is-on .pv-step__riser::after { animation: pv-sweep 1.6s .15s var(--ease); }
.pv-step__riser b { transition: text-shadow .7s; }
.pv-step.is-on .pv-step__riser b { text-shadow: 0 0 46px var(--y-a3); }
.pv-step__tread::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 5px; background: var(--y); box-shadow: var(--glow); opacity: 0; transition: opacity .6s; }
.pv-step:is(.is-on, .is-past) .pv-step__tread::before { opacity: 1; }
@keyframes pv-sweep { 0% { left: -45%; opacity: 1; } 100% { left: 115%; opacity: 1; } }
/* 꼭대기 문: 다음 장면(Contact)의 닫힌 문과 같은 모양 → 그대로 이어짐 */
.pv-stairs__door {
  position: absolute; left: -120px; top: 0; width: 240px; height: 480px; background: var(--k3); border: 1px solid var(--w-faint);
  transform: translate3d(0, calc(var(--n) * -260px - 480px), calc(var(--n) * -560px - 260px));
  box-shadow: 0 0 calc(60px + var(--near, 0) * 150px) calc(6px + var(--near, 0) * 30px) var(--y-a2);   /* 다가갈수록 빛이 커짐 (--near: JS) */
}
/* 계단실 양쪽 벽: 계단 폭 바깥에 세운 긴 판(rotateY 90°) — 판 이음새·난간이 꼭대기 문으로 모이는 원근선이 됨
   벽 좌표: 가로 = 깊이(계단 첫 칸 앞 560px부터), 세로 = 바닥에서 위로 / 난간 = 칸 모서리를 이은 경사선보다 90px 위
   난간 LED는 오른 만큼 켜짐(--climb: JS) */
.pv-stairs__wall {
  --sn: var(--n); --top: calc(var(--n) * -260px - 900px); position: absolute; left: -620px;   /* --n은 상속 안 됨(@property) → 난간엔 --sn으로 */ top: var(--top);
  width: calc(var(--n) * 560px + 1400px); height: calc(var(--top) * -1 + 300px); transform-origin: 0 0; transform: translateZ(560px) rotateY(90deg);
  background:
    repeating-linear-gradient(90deg, var(--w-faint) 0 1px, transparent 1px 280px),
    linear-gradient(transparent 20%, var(--k2) 70%, var(--k3));
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 70%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 70%, transparent);
  pointer-events: none;
}
.pv-stairs__wall--r { left: 620px; }
.pv-stairs__wall i {
  position: absolute; left: 0; top: calc(var(--top) * -1 - 90px); height: 4px; width: calc(var(--sn) * 617.2px);   /* = 560 / cos(atan(260 / 560)) — 경사 길이 */
  transform-origin: 0 50%; transform: rotate(calc(atan(260 / 560) * -1)); border-radius: 2px;
  background: linear-gradient(90deg, var(--y) calc((var(--climb, 0) + 1) / var(--sn) * 100%), var(--w-line) 0);
  box-shadow: 0 0 18px var(--y-a2);
}
/* 꼭대기 문 뒤의 빛살: 천천히 회전, 다가갈수록 진해짐 */
.pv-stairs__rays {
  position: absolute; left: -1000px; top: -1000px; width: 2000px; height: 2000px;
  transform: translate3d(0, calc(var(--n) * -260px - 240px), calc(var(--n) * -560px - 320px));
  background: repeating-conic-gradient(from 0deg, var(--y-a2) 0 3deg, transparent 3deg 13deg);
  -webkit-mask-image: radial-gradient(circle, #000 0, transparent 55%); mask-image: radial-gradient(circle, #000 0, transparent 55%);
  opacity: calc(.12 + var(--near, 0) * .7); animation: pv-spin 50s linear infinite; pointer-events: none;
}
@keyframes pv-spin { to { rotate: 360deg; } }
.pv-stairs__door::after { content: ""; position: absolute; right: 12%; top: 50%; width: 8px; height: 30px; border-radius: 4px; background: var(--y); }

/* 5. Contact — 문 안으로 */
.pv-floor {
  position: absolute; left: -60%; right: -60%; bottom: -8%; height: 46%;
  transform: perspective(520px) rotateX(72deg); transform-origin: 50% 100%;
  background-image:
    linear-gradient(var(--y-a1) 1px, transparent 1px),
    linear-gradient(90deg, var(--y-a1) 1px, transparent 1px);
  background-size: 90px 90px; background-position: center bottom;
  -webkit-mask-image: linear-gradient(to top, #000 10%, transparent 90%); mask-image: linear-gradient(to top, #000 10%, transparent 90%);
}
.pv-door { --door: 0; --open: 0; background: var(--k); }
.pv-door__scene { position: absolute; inset: 0; transform-origin: 50% 54%; }
.pv-motion .pv-door__scene { will-change: transform; }
.pv-door__hole {
  position: absolute; left: 50%; top: 54%; width: clamp(110px, 11vw, 200px); aspect-ratio: 1 / 2; transform: translate(-50%, -50%);
  background: var(--y); box-shadow: 0 0 calc(40px + var(--open) * 120px) calc(var(--open) * 30px) var(--y-a2);
  perspective: 700px;
}
/* 문이 박힌 벽: 계단실 벽과 같은 판 이음새 — 평소엔 어둠에 묻혀 있다가 문 빛이 닿는 만큼만(문 중심 원형) 드러남 */
.pv-door__wall {
  position: absolute; inset: -20%;
  background:
    radial-gradient(closest-side circle at 50% 54%, var(--y-a1), transparent),
    repeating-linear-gradient(90deg, var(--w-line) 0 1px, transparent 1px 140px),
    linear-gradient(transparent 63%, var(--w-line) 63% calc(63% + 1px), transparent 0);   /* 벽과 바닥이 만나는 선 */
  -webkit-mask-image: radial-gradient(circle at 50% 54%, #000, transparent calc(28% + var(--open) * 20%));
  mask-image: radial-gradient(circle at 50% 54%, #000, transparent calc(28% + var(--open) * 20%));
  opacity: calc(.7 + var(--open) * .3); pointer-events: none;
}
.pv-door__leaf { position: absolute; inset: 0; background: var(--k3); border: 1px solid var(--w-faint); transform-origin: 0 50%; transform: rotateY(calc(var(--open) * -82deg)); }
.pv-door__leaf::after { content: ""; position: absolute; right: 12%; top: 50%; width: 6px; height: 22px; border-radius: 3px; background: var(--y); }
.pv-door__spill {
  position: absolute; left: 50%; top: calc(54% + clamp(110px, 11vw, 200px)); width: clamp(110px, 11vw, 200px); height: 60vh;
  transform: translateX(-50%) perspective(300px) rotateX(58deg); transform-origin: 50% 0;
  background: linear-gradient(var(--y-a2), transparent 80%);
  filter: blur(8px); opacity: var(--open);
}
/* 문이 열리면 빛살이 퍼지고 빛 입자가 흘러나옴 */
.pv-door__rays {
  position: absolute; left: 50%; top: 54%; width: 170vmax; height: 170vmax; transform: translate(-50%, -50%);
  background: repeating-conic-gradient(from 0deg, var(--y-a2) 0 3deg, transparent 3deg 12deg);
  -webkit-mask-image: radial-gradient(circle, #000 0, transparent 42%); mask-image: radial-gradient(circle, #000 0, transparent 42%);
  opacity: calc(var(--open) * .9); animation: pv-spin 70s linear infinite; pointer-events: none;
}
.pv-door__dust { position: absolute; left: 50%; top: 58%; width: 0; height: 0; opacity: var(--open); }
.pv-door__dust i { position: absolute; left: calc(sin(var(--d) * 47deg) * 70px); top: 0; width: calc(4px + var(--d) * .25px); height: calc(4px + var(--d) * .25px); border-radius: 50%; background: var(--y); box-shadow: var(--glow); opacity: 0; animation: pv-dust calc(3.4s + var(--d) * .17s) calc(var(--d) * -.41s) ease-out infinite; }
@keyframes pv-dust { 0% { opacity: 0; transform: translate(0, 40px) scale(.4); } 18% { opacity: 1; } 100% { opacity: 0; transform: translate(calc(sin(var(--d) * 61deg) * 220px), -300px) scale(1); } }
.pv-door__intro { position: absolute; left: 0; right: 0; top: calc(var(--hd-h) + 6vh); text-align: center; opacity: var(--intro, 1); }
.pv-door__intro .h2 { font-size: max(var(--fs-xl), min(var(--fs-3xl), (100vw - 960px) * 999), min(var(--fs-4xl), (100vw - 1280px) * 999), min(var(--fs-5xl), (100vw - 1600px) * 999)); }
.pv-door__cta { position: absolute; inset: 0; display: grid; align-items: center; background: transparent; opacity: clamp(0, (var(--door) - .8) * 6, 1); pointer-events: none; }
.pv-door.is-open .pv-door__cta { pointer-events: auto; }
.pv-door__cta .wrap { text-align: center; }
.pv-door__title { font-family: var(--f-display); font-size: max(var(--fs-3xl), min(var(--fs-4xl), (100vw - 640px) * 999), min(var(--fs-6xl), (100vw - 960px) * 999), min(var(--fs-7xl), (100vw - 1280px) * 999), min(var(--fs-8xl), (100vw - 1600px) * 999)); font-weight: 800; line-height: 1.08; letter-spacing: -.055em; }
/* 문 안에 들어서면: 제목이 줄마다 아래에서 올라오고, 설명·버튼이 뒤따름, 하단에 흐르는 띠 */
.pv-door__title > span { display: block; overflow: hidden; padding-bottom: .06em; }
.pv-door__title i { display: block; font-style: normal; }
.pv-door__lead { max-width: 520px; margin: 24px auto 0; color: rgba(0,0,0,.72); }
.pv-motion .pv-door__title i { transform: translateY(110%); transition: transform 1.1s var(--ease); }
.pv-motion .pv-door__title > span + span i { transition-delay: .1s; }
.pv-motion :is(.pv-door__lead, .pv-door__cta .actions) { opacity: 0; transform: translateY(20px); transition: opacity .8s .35s, transform .8s .35s var(--ease); }
.pv-motion .pv-door__cta .actions { transition-delay: .45s; }
.pv-motion .pv-door.is-open :is(.pv-door__title i, .pv-door__lead, .pv-door__cta .actions) { opacity: 1; transform: none; }
.pv-door__cta .btn { transition: transform .35s var(--ease), background .3s, color .3s; }
.pv-door__marquee { position: absolute; left: 0; right: 0; bottom: var(--dock-space, 0px);   /* 화면 맨 아래 (빠른 상담 버튼 아래쪽) */ overflow: hidden; padding: 8px 0; border-block: 1px solid var(--b-1); pointer-events: none; }
.pv-door__marquee > div { display: flex; align-items: center; gap: 36px; width: max-content; animation: pv-marquee 36s linear infinite; }
.pv-door__marquee span { font-family: var(--f-display); font-size: max(var(--fs-xl), min(var(--fs-2xl), (100vw - 960px) * 999), min(var(--fs-3xl), (100vw - 1280px) * 999), min(var(--fs-4xl), (100vw - 1600px) * 999)); font-weight: 800; letter-spacing: -.04em; white-space: nowrap; color: var(--k); }
.pv-door__marquee span:nth-of-type(even) { color: var(--y); -webkit-text-stroke: 3px var(--k); paint-order: stroke fill; }   /* 속을 배경색으로 칠하고 선을 그 아래에 → 겹침선 없이 바깥 윤곽만 */
.pv-door__marquee i { font-style: normal; font-size: var(--fs-xl); color: var(--k); }
@keyframes pv-marquee { to { transform: translateX(-50%); } }
.pv-door__cta .actions { justify-content: center; }

/* 모션 줄이기: 장면을 위에서 아래로 평면 배치 */
html:not(.pv-motion) .pv-journey__sticky { position: static; height: auto; overflow: visible; }
html:not(.pv-motion) .pv-scene { position: relative; inset: auto; display: flex; flex-direction: column; gap: 40px; padding: calc(var(--hd-h) + 40px) 0 96px; }
html:not(.pv-motion) .pv-hero { height: 100svh; padding: 0; }
html:not(.pv-motion) :is(.pv-hero__room, .pv-hero__caption, .pv-scene__dots, .pv-gal__wall, .pv-gal__floor, .pv-gal__light, .pv-hex__floor,
  .pv-stairs__door, .pv-step__tread, .pv-door__scene, .pv-door__intro) { display: none; }
html:not(.pv-motion) :is(.pv-scene__head, .pv-gal__foot) { position: static; }
html:not(.pv-motion) [data-stage] { position: static; width: auto; height: auto; transform: none; order: 1; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter); }
html:not(.pv-motion) :is(.pv-hex__world, .pv-gal__world, .pv-stairs__world) { position: static; width: auto; height: auto; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
html:not(.pv-motion) :is(.pv-hex__wall, .pv-gal__piece, .pv-gal__text, .pv-step, .pv-step__riser) { position: relative; left: auto; top: auto; width: auto; height: auto; transform: none; }
html:not(.pv-motion) .pv-hex__wall { min-height: 420px; }
html:not(.pv-motion) .pv-hex__body { left: 28px; right: 28px; bottom: 28px; }
html:not(.pv-motion) .pv-hex__title { font-size: var(--fs-xl); }
html:not(.pv-motion) .pv-hex__desc { font-size: var(--fs-sm); }
html:not(.pv-motion) .pv-hex__body .tags span { padding: 4px 12px; font-size: var(--fs-xs); }
html:not(.pv-motion) .pv-hex__body .pv-hex__more { height: 44px; margin-top: 16px; padding: 0 20px; font-size: var(--fs-sm); }
html:not(.pv-motion) .pv-hex__fx { display: none; }
html:not(.pv-motion) .pv-gal__text { grid-column: 1 / -1; }
html:not(.pv-motion) .pv-hist { grid-template-columns: 1fr; }
html:not(.pv-motion) :is(.pv-hist__year, .pv-hist__rail, .pv-grow, .pv-hero__cue, .pv-nav, .pv-door__marquee) { display: none; }
html:not(.pv-motion) .pv-hist__view { height: auto; -webkit-mask-image: none; mask-image: none; }
html:not(.pv-motion) .pv-step__riser { padding: 28px; }
html:not(.pv-motion) .pv-step__riser b { font-size: var(--fs-4xl); }
html:not(.pv-motion) .pv-step__riser strong { font-size: var(--fs-xl); }
html:not(.pv-motion) .pv-step__riser em { font-size: var(--fs-sm); }
html:not(.pv-motion) .pv-door { padding: 0; }
html:not(.pv-motion) .pv-door__cta { position: static; opacity: 1; pointer-events: auto; padding: 160px 0; background: var(--y); }

/* Responsive */
@media (max-width: 760px) {
  .pv-scene__dots li span { display: none; }
  .pv-gal__bar { display: none; }
  /* 서비스 벽: 세로형으로 바꾸고 카메라를 뒤로 (JS HEX_Z) → 벽 하나가 화면에 다 들어옴 */
  .pv-hex { --ww: 700px; --wh: 1300px; }
  .pv-hex__body { left: 70px; right: 70px; bottom: 80px; }
  .pv-hex__fx, .pv-hex__wall[data-fx="ai"] .pv-hex__fx { right: 70px; top: 70px; bottom: auto; width: 560px; height: 380px; }
  .fx-ai__prompt em { font-size: var(--fs-xl); }
  .fx-film__meta { display: none; }
  .fx-film__bar.is-top { padding: 0 60px 20px; }
  .fx-photo__focus { right: 200px; top: 200px; }
  .fx-photo__exif { right: 70px; top: 70px; }
  /* 연혁: 좁은 화면은 연도를 목록 위로 */
  .pv-gal__text { left: calc(var(--i) * 620px - 170px); width: 340px; }
  .pv-gal__text h3 { margin-bottom: 16px; font-size: var(--fs-3xl); }
  .pv-hist { grid-template-columns: 1fr; gap: 8px 0; }
  .pv-hist__year { font-size: var(--fs-7xl); }
  .pv-hist__rail { top: 90px; }
  .pv-grow { display: none; }
  /* 계단: 좁은 화면에선 칸 폭과 글자를 줄여 잘리지 않게 */
  .pv-step { --W: 460px; }
  /* 계단 폭이 줄어든 만큼 양쪽 벽도 계단 가까이 */
  .pv-stairs__wall { left: -290px; }
  .pv-stairs__wall--r { left: 290px; }
  .pv-stairs__stage { transform: translate(-50%, calc(-50% - 40px)) scale(var(--fit)); }   /* 하단 단계 표시와 겹치지 않게 위로 */
  .pv-step__riser { gap: 16px; padding: 0 28px; }
  .pv-step__riser b { font-size: var(--fs-7xl); }
  .pv-step__riser strong { font-size: var(--fs-3xl); }
  .pv-step__riser em { font-size: var(--fs-md); line-height: 1.45; }
  .pv-hist { row-gap: 24px; }
  .pv-hist__view { height: 380px; }
}