:root{
  --bg:#000; --fg:#fff; --fg2:rgba(255,255,255,.78); --fg3:rgba(255,255,255,.55); --fg4:rgba(255,255,255,.32); --line:rgba(255,255,255,.16);
  --head:"Pretendard Variable",Pretendard,-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --body:"IBM Plex Sans KR","Pretendard Variable",-apple-system,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  --gut:clamp(22px,10vw,144px);
  --fs-display:clamp(38px,5vw,72px); --fs-lead:clamp(18px,1.55vw,22px); --fs-body:clamp(15.5px,1.15vw,16.5px); --fs-label:14px;
  box-sizing:border-box; padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
  color-scheme:dark;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--bg:#000;--fg:#fff}}
:root[data-theme="dark"]{--bg:#000;--fg:#fff}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
@media (min-width:901px){html{scroll-snap-type:y proximity}}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--head);-webkit-font-smoothing:antialiased;word-break:keep-all}
img,video{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:2px solid #fff;outline-offset:3px}

/* ---------- 공통 화면 ---------- */
.screen{position:relative;min-height:100svh;overflow:hidden;isolation:isolate;scroll-snap-align:start;display:flex;flex-direction:column}
.bg{position:absolute;inset:0;z-index:-2}
.bg img{width:100%;height:100%;object-fit:cover}
.veil{position:absolute;inset:0;z-index:-1;pointer-events:none}
.wrap{width:100%;max-width:1440px;margin:0 auto;padding:0 var(--gut)}
.topband{position:absolute;inset:0 0 auto;height:240px;z-index:-1;background:linear-gradient(180deg,#000 0%,#000 30%,rgba(0,0,0,.75) 50%,rgba(0,0,0,.3) 75%,rgba(0,0,0,0) 100%)}
.chapter{display:flex;align-items:baseline;gap:14px;margin:0;padding:44px 0 14px;border-bottom:1px solid var(--line);font-size:var(--fs-label);font-weight:600}
.chapter .no{color:var(--fg);font-weight:700}
.chapter .nm{color:var(--fg3)}
.chapter .tot{margin-left:auto;color:var(--fg4);font-weight:500}
.content{flex:1;display:flex;align-items:center;padding:clamp(32px,6vh,72px) 0}
.display{margin:0;font-size:var(--fs-display);font-weight:700;line-height:1.14;letter-spacing:-.04em}
.lead{margin:0 0 16px;font-size:var(--fs-lead);font-weight:600;line-height:1.6;letter-spacing:-.015em}
.body{margin:0;font-family:var(--body);font-size:var(--fs-body);line-height:1.9;color:var(--fg2)}
.credit{position:absolute;left:var(--gut);bottom:22px;font-size:11px;color:var(--fg4);z-index:2;max-width:60vw}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:999px;font:600 15.5px/1 var(--head);text-decoration:none;border:1px solid #fff;background:#fff;color:#000;cursor:pointer;transition:background .2s,color .2s}
.btn:hover{background:transparent;color:#fff}
.btn.ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn.ghost:hover{background:#fff;color:#000}
.btn svg{width:13px;height:13px}

/* ---------- 첫 화면: 특이점 ---------- */
.hero{align-items:center;justify-content:center;text-align:center;padding:96px 22px 88px}
.starfield{position:absolute;inset:0;z-index:-2;background:url(/img/stars-1003.jpg) center/cover;opacity:.55}
.starveil{position:absolute;inset:0;z-index:-2;background:radial-gradient(55% 45% at 50% 48%,rgba(0,0,0,.85),rgba(0,0,0,0) 75%)}
.singularity{position:absolute;left:50%;top:19%;width:0;height:0;z-index:-1}
.singularity i{position:absolute;border-radius:50%;transform:translate(-50%,-50%)}
.singularity .core{width:6px;height:6px;background:#fff;box-shadow:0 0 10px 3px rgba(255,255,255,.95),0 0 50px 14px rgba(255,255,255,.2)}
.singularity .halo{width:520px;height:520px;background:radial-gradient(circle,rgba(255,255,255,.14),rgba(255,255,255,0) 60%);filter:blur(16px);animation:breathe 7s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.75;transform:translate(-50%,-50%) scale(.96)}50%{opacity:1;transform:translate(-50%,-50%) scale(1.04)}}
.logo-stage{width:min(72vw,470px);aspect-ratio:4/1;margin:0 auto clamp(20px,4vh,40px)}
.logo-stage video{width:100%;height:100%;object-fit:cover;mix-blend-mode:screen}
.hero h1{margin:0;font-size:clamp(26px,3vw,40px);font-weight:700;letter-spacing:-.035em;line-height:1.25}
.hero .sig{display:grid;gap:12px;justify-items:center}
.hero .sig .ds{font-size:clamp(26px,3vw,40px);font-weight:700;letter-spacing:-.035em;line-height:1.25}
.hero .sig .en{font-size:clamp(19px,2vw,28px);font-weight:600;letter-spacing:0;color:rgba(255,255,255,.86);margin-top:2px}
.hero .sig .tag2{font-size:clamp(15px,1.4vw,20px);font-weight:500;letter-spacing:.05em;color:rgba(255,255,255,.55);margin-top:6px}
.hero .sig+p{margin-top:30px}
.hero .soon{font-weight:800;letter-spacing:.14em;color:#fff;font-size:1.05em}
.hero p{margin:18px 0 32px;color:rgba(255,255,255,.62);font-family:var(--body);font-size:var(--fs-body);line-height:1.7}

/* ---------- 01 About: 별의 궤적 ---------- */
.about .bg img{object-position:70% 50%;will-change:transform}
.about .veil{background:linear-gradient(90deg,rgba(0,0,0,.96) 0%,rgba(0,0,0,.9) 36%,rgba(0,0,0,.35) 56%,rgba(0,0,0,.05) 72%),linear-gradient(180deg,rgba(0,0,0,0) 80%,rgba(0,0,0,.8) 100%)}
.text{max-width:600px}
.text .display+div{margin-top:clamp(28px,5vh,56px)}

/* ---------- 02 Vision: 빛 속에서 태어난 별 ---------- */
.vision .bg img{object-position:72% 40%;will-change:transform;transform-origin:70% 40%}
.vision .veil{background:radial-gradient(58% 70% at 24% 42%,rgba(0,0,0,.9),rgba(0,0,0,.45) 60%,rgba(0,0,0,.1) 100%),linear-gradient(180deg,rgba(0,0,0,0) 80%,rgba(0,0,0,.75) 100%)}

/* 별의 궤적: 중심(극)을 기준으로 아주 천천히 돈다 */
.about .bg img{transform-origin:var(--ox,74%) var(--oy,48%)}
/* 별 반짝임 */
.twinkle{position:absolute;z-index:-1;pointer-events:none}
.twinkle i{position:absolute;width:var(--s);height:var(--s);margin:calc(var(--s)/-2) 0 0 calc(var(--s)/-2);border-radius:50%;background:#fff;
  box-shadow:0 0 calc(var(--s)*2) calc(var(--s)*.6) rgba(255,255,255,.55);opacity:.0;animation:tw var(--d) ease-in-out var(--dl) infinite}
@keyframes tw{0%,100%{opacity:0;transform:scale(.6)}50%{opacity:var(--o);transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.twinkle i{animation:none;opacity:calc(var(--o)*.6);transform:none}}

/* ---------- 03 Brand: 지구의 일출 ---------- */
.brand .bg img{object-position:60% 50%}
.brand .veil{background:linear-gradient(90deg,#000 0%,rgba(0,0,0,.8) 30%,rgba(0,0,0,.15) 48%,rgba(0,0,0,0) 60%)}
.sunrise{position:absolute;left:52.8%;top:47%;width:min(70vw,900px);aspect-ratio:1;transform:translate(-50%,-50%);z-index:-1;pointer-events:none;
  background:radial-gradient(circle,rgba(255,236,210,.35),rgba(255,214,170,.12) 30%,rgba(0,0,0,0) 62%);mix-blend-mode:screen;opacity:0;transition:opacity 2.4s ease}
.brand.in .sunrise{opacity:1}
.moodit-logo{width:min(100%,440px);height:auto}
.tag{margin:26px 0 0;font-size:var(--fs-lead);font-weight:600;line-height:1.6;letter-spacing:-.02em}
.tag span{display:block;color:rgba(255,255,255,.7)}
.brand .text{max-width:520px}
.brand .body{margin-top:clamp(24px,4vh,44px)}
.actions{margin-top:36px;display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 04 Contact ---------- */
.contact .veil{background:radial-gradient(50% 40% at 50% 120%,rgba(255,255,255,.14),transparent 70%)}
.contact .grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,96px);width:100%;align-items:start}
.contact .display{font-size:clamp(34px,3.9vw,56px)}
.contact dl{display:grid;grid-template-columns:64px 1fr;gap:8px 12px;margin:28px 0 0;font-size:15px}
.contact dt{color:var(--fg3)}
.contact dd{margin:0;font-weight:600}
.contact dd a{text-decoration:none;border-bottom:1px solid var(--line)}
form{display:grid;gap:18px}
fieldset{border:0;margin:0;padding:0}
legend{font-size:13px;font-weight:600;color:var(--fg2);margin-bottom:10px;padding:0}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips label{position:relative}
.chips input{position:absolute;opacity:0;inset:0}
.chips span{display:inline-block;padding:8px 16px;border:1px solid rgba(255,255,255,.3);border-radius:999px;font-size:14px;cursor:pointer}
.chips input:checked+span{background:#fff;color:#000;border-color:#fff}
.chips input:focus-visible+span{outline:2px solid #fff;outline-offset:2px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:grid;gap:4px;font-size:13px;font-weight:600;color:var(--fg2)}
.field em{font-style:normal;color:var(--fg4);font-weight:500;margin-left:4px}
.field input,.field textarea{background:transparent;border:0;border-bottom:1px solid rgba(255,255,255,.3);color:#fff;font:400 15.5px var(--body);padding:8px 0;outline:none;border-radius:0}
.field input:focus,.field textarea:focus{border-bottom-color:#fff}
.field textarea{resize:vertical;min-height:86px}
.send{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.check{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--fg2)}
.status{min-height:1.2em;font-size:14px;color:var(--fg2);margin:0}
.end{display:flex;align-items:center;gap:10px;padding:18px 0 40px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:var(--fg4)}
.end img{width:16px;opacity:.6}

/* ---------- 고정 요소 ---------- */
.chapters{position:fixed;right:max(20px,calc((100vw - 1440px)/2 - 100px));top:50%;transform:translateY(-50%);z-index:20;display:grid;gap:14px;opacity:0;pointer-events:none;transition:opacity .4s}
.chapters.show{opacity:1;pointer-events:auto}
.chapters a{display:flex;align-items:center;justify-content:flex-end;gap:10px;text-decoration:none;font-size:12.5px;font-weight:600;color:#fff}
.chapters a::after{content:"";width:14px;height:2px;background:rgba(255,255,255,.35);transition:width .3s,background .3s}
.chapters a span{opacity:0;transform:translateX(6px);transition:opacity .25s,transform .25s}
.chapters a.on::after{width:28px;background:#fff}
.chapters a.on span,.chapters a:hover span,.chapters a:focus-visible span{opacity:.9;transform:none}
.kakao{position:fixed;right:20px;bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:30;display:inline-flex;align-items:center;gap:8px;padding:13px 18px;border-radius:999px;background:#FEE500;color:#191919;text-decoration:none;font-weight:600;font-size:14px;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.kakao svg{width:20px;height:20px}
.toast{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom,0px));transform:translate(-50%,10px);z-index:40;background:#fff;color:#000;padding:12px 18px;border-radius:12px;font-size:14px;font-weight:600;opacity:0;transition:opacity .25s,transform .25s;pointer-events:none;max-width:calc(100vw - 40px);text-align:center}
.toast.on{opacity:1;transform:translate(-50%,0)}
.preview-tag{position:fixed;left:16px;top:calc(10px + env(safe-area-inset-top,0px));z-index:30;padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);font-size:12px;color:var(--fg2);backdrop-filter:blur(6px)}

/* ---------- 모바일 ---------- */
@media (max-width:900px){
  .singularity{top:22%}
  .content{align-items:flex-start;padding-top:28px}
  .about .bg img{object-position:78% 50%}
  .about .veil{background:linear-gradient(180deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.7) 45%,rgba(0,0,0,.25) 75%,rgba(0,0,0,.6) 100%)}
  .vision .veil{background:linear-gradient(180deg,rgba(0,0,0,.9) 0%,rgba(0,0,0,.55) 50%,rgba(0,0,0,.2) 80%,rgba(0,0,0,.6) 100%)}
  .brand .bg img{object-position:56% 50%}
  .brand .veil{background:linear-gradient(180deg,rgba(0,0,0,.92) 0%,rgba(0,0,0,.75) 45%,rgba(0,0,0,0) 72%)}
  .sunrise{left:50%;top:55%}
  .contact .grid{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .chapters{display:none}
  .kakao span{display:none}.kakao{padding:15px}
  .credit{max-width:70vw}
  .preview-tag{display:none}
}
@media (prefers-reduced-motion:reduce){
  .singularity .halo{animation:none}
  .about .bg img,.vision .bg img{transform:none!important}
  .sunrise{transition:none}
  html{scroll-behavior:auto}
}

.consent{display:grid;gap:6px}
.consent details{font-size:13px;color:var(--fg3)}
.consent summary{cursor:pointer}
.consent details p{white-space:pre-line;margin:8px 0 0;line-height:1.7}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
button.btn:disabled{opacity:.6;cursor:default}