/* =========================================================
   AHN CONTENTS LaB — original imweb design, rebuilt
   ========================================================= */
:root{
  --red:#b02525;
  --text:#333;
  --muted:#999;
  --line:#e5e5e5;
  --nav-h:90px;
  --maxw:1280px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:#fff;color:var(--text);
  font-family:Helvetica,Arial,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 40px}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;width:100%;height:var(--nav-h);z-index:1000;
  background:#fff;display:flex;align-items:center;
  border-bottom:1px solid transparent;transition:box-shadow .3s,border-color .3s;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 2px 14px rgba(0,0,0,.05)}
.nav-inner{width:100%;max-width:1400px;margin:0 auto;padding:0 40px;
  display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand img{height:70px;width:auto}
.nav-menu{display:flex;align-items:center;gap:8px;list-style:none}
.nav-menu>li{position:relative}
.nav-menu>li>a{
  display:flex;align-items:center;gap:5px;height:var(--nav-h);padding:0 16px;
  font-size:14px;letter-spacing:.4px;color:#222;font-weight:500;
  transition:color .25s;text-transform:uppercase;
}
.nav-menu>li:hover>a,.nav-menu>li.active>a{color:#000}
.nav-menu>li>a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:26px;height:2px;
  background:#111;transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-menu>li:hover>a::after,.nav-menu>li.active>a::after{transform:scaleX(1)}
.nav-menu>li.has-sub>a .caret{width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.5;transition:transform .3s}
.nav-menu>li.has-sub:hover>a .caret{transform:rotate(225deg) translateY(0)}
.submenu{
  position:absolute;top:calc(var(--nav-h) - 16px);left:6px;min-width:190px;
  background:#fff;border:1px solid var(--line);border-radius:4px;
  padding:6px 0;list-style:none;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .25s var(--ease);box-shadow:0 14px 34px rgba(0,0,0,.1)}
.nav-menu>li.has-sub:hover .submenu{opacity:1;visibility:visible;transform:translateY(0)}
.submenu a{display:block;padding:10px 18px;font-size:13px;color:#555;transition:.2s}
.submenu a:hover{background:#f7f7f7;color:#000}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:#111;transition:.35s var(--ease)}

@media (max-width:960px){
  :root{--nav-h:64px}
  .brand img{height:46px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;top:0;right:0;width:min(80vw,320px);height:100vh;
    flex-direction:column;align-items:stretch;gap:0;background:#fff;
    border-left:1px solid var(--line);padding:calc(var(--nav-h) + 10px) 18px 40px;
    transform:translateX(100%);transition:transform .4s var(--ease);overflow-y:auto;z-index:1001}
  body.nav-open .nav-menu{transform:translateX(0)}
  body.nav-open .nav-toggle{position:relative;z-index:1002}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-menu>li>a{height:auto;padding:15px 6px;font-size:14px;border-bottom:1px solid var(--line);justify-content:space-between}
  .nav-menu>li>a::after{display:none}
  .submenu{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;
    padding:0 0 6px 12px;max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
  .nav-menu>li.has-sub.open .submenu{max-height:300px}
  .nav-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.4);opacity:0;visibility:hidden;transition:.4s;z-index:999}
  body.nav-open .nav-backdrop{opacity:1;visibility:visible}
}

/* ---------- Hero (home) ---------- */
.hero{
  position:relative;margin-top:var(--nav-h);height:calc(100vh - var(--nav-h));min-height:520px;
  background:#000;overflow:hidden;display:flex;align-items:center;justify-content:center;
}
.hero-video{position:absolute;top:50%;left:50%;width:177.78vh;min-width:100%;height:56.25vw;min-height:100%;transform:translate(-50%,-50%);pointer-events:none}
.hero-video iframe{width:100%;height:100%;border:0}
.hero::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.25)}
.hero-content{position:relative;z-index:2;text-align:center;color:#fff}
.hero-content h1{
  font-style:italic;font-weight:300;letter-spacing:-1px;
  font-size:clamp(52px,9vw,110px);line-height:1.25;color:#fff;
}
.hero-content .ig-btn{
  display:inline-block;margin-top:56px;border:1px solid #fff;color:#fff;
  padding:13px 34px;font-size:13px;font-style:italic;letter-spacing:.5px;
  transition:all .3s;background:transparent;
}
.hero-content .ig-btn:hover{background:#fff;color:#000}

/* ---------- Sections (home) ---------- */
section.block{padding:80px 0}
.sec-title{
  color:var(--red);font-size:26px;font-weight:700;letter-spacing:1px;
  text-transform:uppercase;margin-bottom:34px;
}
.dark-band{background:#000;padding:60px 0}
.video-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.embed{position:relative;width:100%;aspect-ratio:16/9;background:#000;overflow:hidden}
.embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* performance poster grid */
.perf-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:26px}
.poster{display:block}
.poster img{width:100%;border:1px solid var(--line)}

/* ---------- Page titles ---------- */
.page-dark{background:#000;color:#fff}
.page-title-dark{
  text-align:center;font-style:italic;font-weight:400;font-size:30px;letter-spacing:1px;color:#fff;
  padding:70px 0 22px;
}
.page-title-dark + .rule{width:min(1180px,90%);margin:0 auto;border-bottom:1px solid rgba(255,255,255,.8)}
.page-title-light{
  color:#111;font-size:30px;font-weight:700;letter-spacing:1px;text-transform:uppercase;
  padding:70px 0 10px;text-align:center;
}
.page-sub{color:var(--muted);text-align:center;font-size:14px;margin-bottom:10px}
main{padding-top:var(--nav-h)}
main.no-pad{padding-top:0}

/* ---------- Card grids (posters + captions) ---------- */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:34px 26px;padding:50px 0 80px}
.cardp .ph{aspect-ratio:3/4.2;background:#f4f4f4 center/cover no-repeat;border:1px solid var(--line)}
.cardp .cap{padding:12px 2px 0}
.cardp .cap .t{font-size:15px;font-weight:700;color:#222;line-height:1.45}
.cardp .cap .d{font-size:13px;color:var(--muted);margin-top:3px}
.page-dark .cardp .cap{background:#fff;padding:14px 16px;margin-top:0}
.page-dark .cardp .ph{border:0}
.cardp .soon{
  aspect-ratio:3/4.2;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:26px;border:1px solid var(--line)}
.cardp .soon img{width:110px}
.cardp .soon span{font-family:Georgia,'Times New Roman',serif;font-size:20px;color:#222}
.page-dark .cardp .soon{border:0}

@media (max-width:1100px){.cards{grid-template-columns:repeat(3,1fr)}}
@media (max-width:800px){.cards{grid-template-columns:repeat(2,1fr)}.video-row{grid-template-columns:1fr}}
@media (max-width:480px){.cards{grid-template-columns:1fr}}

/* ---------- Gallery ---------- */
.gcards{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:50px 0 80px}
.gcard{position:relative;height:307px;background:#000 center/cover no-repeat;cursor:pointer;overflow:hidden}
.gcard::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.55);transition:background .35s}
.gcard:hover::after{background:rgba(0,0,0,.3)}
.gcard .cap{
  position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;text-align:center;padding:0 20px;line-height:1.6}
@media (max-width:900px){.gcards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.gcards{grid-template-columns:1fr}}

/* ---------- IMMERSION track list ---------- */
.notes{font-size:13px;font-weight:700;color:#222;padding:44px 0 10px}
.tracks{padding-bottom:80px}
.track-row{
  display:grid;grid-template-columns:155px 1fr auto;gap:26px;align-items:start;
  border-top:2px solid #111;padding:0 4px 26px;margin-top:0}
.track-row .thumb{width:155px;height:155px;background:#f4f4f4 center/cover no-repeat}
.track-row .thumb.soon{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#fff}
.track-row .thumb.soon img{width:64px}
.track-row .thumb.soon span{font-family:Georgia,serif;font-size:13px;color:#222}
.track-row .tt{font-size:22px;color:#222;font-weight:400;margin-top:14px}
.track-row .ts{font-size:13px;color:var(--muted);margin-top:2px}
.track-row .td{font-size:13px;font-style:italic;color:#555;line-height:1.95;margin-top:10px;white-space:pre-line}
.track-row .go{font-size:22px;color:#111;margin-top:18px;transition:transform .3s var(--ease);display:inline-block}
.track-row .go:hover{transform:translateX(6px)}
.tracks .track-row:last-child{border-bottom:2px solid #111}
@media (max-width:640px){.track-row{grid-template-columns:96px 1fr auto}.track-row .thumb{width:96px;height:96px}}

/* ---------- ORCHESTRA ---------- */
.orch-video{background:#000;padding:70px 0}
.orch-video .embed{max-width:1000px;margin:0 auto}
.book-btn{
  display:block;width:max-content;margin:34px auto 0;background:#e8b7bb;color:#7a3b40;
  border:1px solid #d8a3a8;padding:11px 30px;font-size:13px;letter-spacing:1px;transition:.3s}
.book-btn:hover{background:#f2cdd0}

/* ---------- image stack (about) ---------- */
.imgstack{display:flex;flex-direction:column;padding:40px 0 80px}
.imgstack img{width:100%;max-width:1000px;margin:0 auto}

/* ---------- prose ---------- */
.prose{max-width:820px;margin:0 auto;padding:50px 40px 90px;text-align:center}
.prose p{color:#555;margin-bottom:16px;font-size:15px}
.prose .lead-para{font-size:19px;color:#222}

/* ---------- Footer ---------- */
.site-footer{margin-top:40px}
.footer-nav-band{background:#111;padding:14px 0}
.footer-nav-band ul{display:flex;justify-content:center;gap:34px;list-style:none;flex-wrap:wrap}
.footer-nav-band a{color:#ddd;font-size:12px;letter-spacing:.5px;text-transform:uppercase;transition:.25s}
.footer-nav-band a:hover{color:#fff}
.footer-info{background:#fff;text-align:center;padding:34px 20px 8px;color:#666;font-size:12.5px;line-height:2}
.footer-info .co{font-weight:700;color:#333}
.footer-info a{color:#3a5ba9;font-weight:700}
.footer-copy{text-align:center;color:#aaa;font-size:11px;padding:16px 0 30px}

/* ---------- reveal animations ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){.reveal{transition:none!important;opacity:1!important;transform:none!important}}

/* lightbox */
.lightbox{position:fixed;inset:0;z-index:2000;background:rgba(0,0,0,.92);display:none;place-items:center;padding:30px;cursor:zoom-out}
.lightbox.open{display:grid}
.lightbox img{max-width:92vw;max-height:88vh}

/* back to top */
.to-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border-radius:50%;
  background:#111;color:#fff;display:grid;place-items:center;z-index:900;border:0;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(12px);transition:.35s var(--ease);font-size:15px}
.to-top.show{opacity:.85;visibility:visible;transform:none}
.to-top:hover{opacity:1}

/* performance carousel (2-up, like original slider) */
.perf-carousel{display:flex;gap:26px;overflow-x:auto;scroll-snap-type:x mandatory;
  scrollbar-width:none;-ms-overflow-style:none;padding-bottom:6px}
.perf-carousel::-webkit-scrollbar{display:none}
.perf-carousel .slide{flex:0 0 calc(25% - 19.5px);scroll-snap-align:start}
.perf-carousel .slide img{width:100%;border:1px solid var(--line)}
@media (max-width:960px){.perf-carousel .slide{flex:0 0 calc(33.33% - 18px)}}
@media (max-width:640px){.perf-carousel .slide{flex:0 0 calc(50% - 13px)}}

/* ===== vertical (shorts) hero video cover ===== */
.hero-video.vertical{width:100vw;min-width:0;height:177.78vw;min-height:100%;}
@media (max-aspect-ratio:9/16){.hero-video.vertical{width:auto;min-width:100%;height:100%;aspect-ratio:9/16}}

/* ===== intro splash (Netflix-style) ===== */
.intro-splash{
  position:fixed;inset:0;z-index:5000;background:#000;
  display:flex;align-items:center;justify-content:center;
}
.intro-splash .is-inner{text-align:center;color:#fff}
.intro-splash .is-logo{
  width:110px;margin:0 auto 22px;filter:invert(1);
  opacity:0;transform:scale(.6);
  animation:isLogo 1.6s cubic-bezier(.16,.8,.3,1) .15s forwards;
}
.intro-splash .is-name{
  font-size:clamp(26px,4.6vw,44px);font-weight:700;letter-spacing:.18em;
  opacity:0;transform:translateY(18px) scale(.96);
  animation:isText 1.2s cubic-bezier(.16,.8,.3,1) .55s forwards;
}
.intro-splash .is-name span{color:#fff}
.intro-splash .is-tag{
  margin-top:12px;font-size:12px;letter-spacing:.5em;text-transform:uppercase;color:#fff;
  opacity:0;animation:isText 1s ease .95s forwards;
}
@keyframes isLogo{0%{opacity:0;transform:scale(.6)}60%{opacity:1;transform:scale(1.12)}100%{opacity:1;transform:scale(1)}}
@keyframes isText{to{opacity:1;transform:none}}
.intro-splash.hide{opacity:0;visibility:hidden;transition:opacity .9s ease,visibility 0s .9s}
body.intro-lock{overflow:hidden}

/* ===== cursor earth follower ===== */
.cursor-earth{
  position:fixed;left:0;top:0;z-index:4000;pointer-events:none;
  font-size:22px;line-height:1;transform:translate(-50%,-50%);
  transition:font-size .2s;will-change:transform;
  filter:drop-shadow(0 2px 6px rgba(0,0,0,.25));
}
.cursor-earth.clicked{animation:earthPop .45s cubic-bezier(.2,.9,.3,1.4)}
@keyframes earthPop{0%{scale:1}40%{scale:1.7;rotate:20deg}100%{scale:1;rotate:0deg}}
@media (hover:none),(max-width:760px){.cursor-earth{display:none}}

/* ===== extra motion polish ===== */
.sec-title{position:relative;display:inline-block}
.sec-title::after{content:"";position:absolute;left:0;bottom:-6px;height:2px;width:100%;
  background:var(--red);transform:scaleX(0);transform-origin:left;transition:transform .9s var(--ease) .2s}
.sec-title.in::after{transform:scaleX(1)}
.perf-carousel .slide img{transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.perf-carousel .slide:hover img{transform:translateY(-8px);box-shadow:0 18px 40px rgba(0,0,0,.18)}
.cardp{transition:transform .45s var(--ease)}
.cardp:hover{transform:translateY(-8px)}
.hero-content .ig-btn{animation:btnFloat 3.4s ease-in-out 2s infinite}
@keyframes btnFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.hero-content h1{overflow:hidden}

/* ===== cursor saturn (replaces earth) ===== */
.cursor-saturn{
  position:fixed;left:0;top:0;z-index:4000;pointer-events:none;will-change:transform;
  filter:drop-shadow(0 0 7px rgba(140,120,220,.55)) drop-shadow(0 2px 5px rgba(0,0,0,.35));
}
.cursor-saturn.clicked svg{animation:satPop .5s cubic-bezier(.2,.9,.3,1.4)}
@keyframes satPop{0%{transform:scale(1)}40%{transform:scale(1.55) rotate(24deg)}100%{transform:scale(1) rotate(0)}}
.cursor-saturn .spk{opacity:.15;transform-origin:center;animation:twinkle 1.8s ease-in-out infinite}
.cursor-saturn .s2{animation-delay:.45s}
.cursor-saturn .s3{animation-delay:.9s}
.cursor-saturn .s4{animation-delay:1.3s}
@keyframes twinkle{0%,100%{opacity:.12;transform:scale(.7)}50%{opacity:1;transform:scale(1.35)}}
@media (hover:none),(max-width:760px){.cursor-saturn{display:none}}

/* splash starfield */
.intro-splash .is-stars{position:absolute;inset:0;width:100%;height:100%}
.intro-splash .is-inner{position:relative;z-index:2}

/* press gallery */
.press-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding:44px 0 80px}
.press-cards a{display:block;transition:transform .35s var(--ease)}
.press-cards a:hover{transform:translateY(-6px)}
.press-cards .ph{aspect-ratio:16/11;background:#f4f4f4 center/cover no-repeat;border:1px solid var(--line)}
.press-cards .t{font-size:14px;font-weight:700;color:#222;line-height:1.5;margin-top:10px}
@media (max-width:1000px){.press-cards{grid-template-columns:repeat(3,1fr)}}
@media (max-width:760px){.press-cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:480px){.press-cards{grid-template-columns:1fr}}
/* about intro */
.about-intro{max-width:760px;margin:26px auto 10px;text-align:center;font-size:15.5px;line-height:2.15;color:#333}
.about-intro b{font-weight:700}
.about-photos{display:flex;flex-direction:column;gap:22px;max-width:1000px;margin:46px auto 80px;padding:0 20px}
.about-photos img{width:100%}

/* about collage 2x2 */
.about-main{max-width:1000px;margin:34px auto 0;padding:0 20px}
.about-main img{width:100%}
.about-collage{display:grid;grid-template-columns:1fr 1fr;gap:14px;max-width:1000px;margin:46px auto 80px;padding:0 20px}
.about-collage img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/2}
@media (max-width:640px){.about-collage{grid-template-columns:1fr}}