/* ==========================================================================
   AIROMIX — airomix.ai
   ========================================================================== */

/* ---------- tokens ---------- */
:root{
  --bg:#08080c;
  --bg-2:#0d0d14;
  --bg-3:#12121c;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.18);
  --fg:#f4f4f7;
  --fg-2:#b6b6c4;
  --fg-3:#7c7c8e;
  --accent:#7d6bff;
  --accent-2:#63e0ff;
  --grad:linear-gradient(96deg,#8f7bff 0%,#63e0ff 100%);

  --wrap:1180px;
  --gut:clamp(20px,5vw,64px);
  --sec-y:clamp(88px,11vw,164px);
  --r:16px;
  --r-lg:24px;

  --font:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,
         "Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;

  --ease:cubic-bezier(.22,.68,.28,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}

body{
  margin:0;
  background:var(--bg);
  color:var(--fg);
  font-family:var(--font);
  font-size:clamp(15px,.42vw + 14px,17px);
  line-height:1.78;
  font-weight:400;
  letter-spacing:-.011em;
  word-break:keep-all;
  overflow-wrap:anywhere;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.035em;line-height:1.2;text-wrap:balance}
p,figure{margin:0}
ul,ol,dl{margin:0;padding:0;list-style:none}

::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent-2);outline-offset:3px;border-radius:4px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--fg);color:var(--bg);padding:12px 18px;border-radius:0 0 8px 0;font-weight:600;
}
.skip:focus{left:0}

.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gut)}

/* ---------- language switching ---------- */
html[data-lang="ko"] .en-only,
html[data-lang="en"] .ko-only{display:none}

/* ---------- header ---------- */
.site-head{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .35s var(--ease),border-color .35s var(--ease);
  border-bottom:1px solid transparent;
}
.site-head.is-stuck{
  background:rgba(8,8,12,.72);
  backdrop-filter:saturate(160%) blur(18px);
  -webkit-backdrop-filter:saturate(160%) blur(18px);
  border-bottom-color:var(--line);
}
.head-in{display:flex;align-items:center;gap:24px;height:72px}
@media (min-width:900px){.head-in{height:84px}}

.brand{flex:none;display:block}
.brand img{width:clamp(112px,12vw,148px);opacity:.96}

.nav{
  margin-left:auto;display:flex;align-items:center;gap:clamp(18px,2.2vw,34px);
  font-size:14px;font-weight:500;letter-spacing:-.005em;
}
.nav a{color:var(--fg-2);transition:color .2s var(--ease);white-space:nowrap}
.nav a:hover{color:var(--fg)}
.nav .nav-cta{
  color:var(--fg);border:1px solid var(--line-2);border-radius:999px;padding:8px 18px;
  transition:border-color .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.nav .nav-cta:hover{background:var(--fg);color:var(--bg);border-color:var(--fg)}

.head-tools{display:flex;align-items:center;gap:12px;flex:none}

.lang{
  appearance:none;background:none;border:1px solid var(--line);border-radius:999px;
  color:var(--fg-3);font:inherit;font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:7px 13px;cursor:pointer;display:flex;gap:5px;line-height:1.2;
  transition:border-color .2s var(--ease);
}
.lang:hover{border-color:var(--line-2)}
.lang .on{color:var(--fg)}
.lang .sep{opacity:.4}

.burger{display:none;appearance:none;background:none;border:0;cursor:pointer;width:40px;height:40px;padding:10px}
.burger span{display:block;height:1.5px;background:var(--fg);border-radius:2px;transition:transform .3s var(--ease)}
.burger span+span{margin-top:6px}
.burger[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg)}
.burger[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg)}

@media (max-width:899px){
  .burger{display:block}
  .nav{
    position:fixed;inset:72px 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(8,8,12,.96);
    backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid var(--line);
    padding:8px var(--gut) 24px;font-size:17px;
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
  }
  .nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav .nav-cta{border:0;border-radius:0;padding:14px 0;color:var(--accent-2)}
  .nav .nav-cta:hover{background:none;color:var(--accent-2)}
}

/* ---------- sections: centred by default ---------- */
.sec{padding-block:var(--sec-y);position:relative;text-align:center}
.sec-alt{background:var(--bg-2);border-block:1px solid var(--line)}

.kicker{
  font-size:12px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;
  color:var(--fg-3);margin-bottom:22px;
}
.sec-head{max-width:840px;margin-inline:auto;margin-bottom:clamp(48px,6vw,84px)}
.sec-head h2+.sec-lede{margin-top:24px}
.sec-head h2{font-size:clamp(26px,3.1vw,41px);letter-spacing:-.04em;line-height:1.3}
.sec-lede{margin-top:22px;color:var(--fg-2);font-size:clamp(15.5px,1.05vw,17.5px);max-width:56ch;margin-inline:auto;text-wrap:pretty}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:52px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:-.01em;
  transition:transform .2s var(--ease),background .2s var(--ease),
             color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn-fill{background:var(--fg);color:var(--bg)}
.btn-fill:hover{background:#fff}
.btn-ghost{border:1px solid var(--line-2);color:var(--fg)}
.btn-ghost:hover{border-color:var(--fg)}

/* ---------- hero ---------- */
.hero{
  position:relative;text-align:center;overflow:hidden;
  padding-top:clamp(124px,15vw,180px);padding-bottom:0;
}
.hero-glow{
  position:absolute;top:-22%;left:50%;translate:-50% 0;
  width:min(1200px,140vw);aspect-ratio:1;pointer-events:none;
  background:radial-gradient(circle at 50% 50%,rgba(125,107,255,.30),rgba(99,224,255,.10) 42%,transparent 66%);
  filter:blur(30px);
}
.hero-in{position:relative}

.hero h1{
  font-size:clamp(32px,5vw,64px);
  letter-spacing:-.045em;line-height:1.2;font-weight:800;
}
.hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.lede{margin:26px auto 0;color:var(--fg-2);font-size:clamp(15.5px,1.1vw,18px);max-width:52ch;text-wrap:pretty}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px;justify-content:center}

/* poster fan */
.fan{
  display:flex;align-items:flex-end;justify-content:center;
  gap:clamp(10px,1.6vw,22px);
  margin-top:clamp(52px,6vw,84px);
  padding-bottom:clamp(40px,5vw,72px);
}
.fan-card{position:relative;flex:0 1 auto;min-width:0}
.fan-card img{
  width:100%;border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:0 34px 80px -34px rgba(0,0,0,.95);
  aspect-ratio:9/16;object-fit:cover;
}
.fan-card figcaption{
  margin-top:12px;font-size:11.5px;font-weight:600;letter-spacing:.08em;
  color:var(--fg-3);text-transform:uppercase;
}
.fan-main{width:clamp(180px,25vw,290px);z-index:2}
.fan-side{width:clamp(132px,19vw,222px);opacity:.72;transition:opacity .4s var(--ease)}
.fan:hover .fan-side{opacity:.9}
@media (max-width:560px){
  .fan{gap:8px}
  .fan-card figcaption{font-size:10px;letter-spacing:.05em}
}

/* ---------- marquee ---------- */
.marquee{
  overflow:hidden;border-block:1px solid var(--line);
  background:var(--bg-2);padding-block:16px;display:flex;user-select:none;
}
.marquee-track{display:flex;white-space:nowrap;animation:slide 42s linear infinite}
.marquee-track span{font-size:clamp(13px,1.3vw,16px);font-weight:600;letter-spacing:.2em;color:var(--fg-3)}
.marquee-track i{font-style:normal;color:var(--accent)}
@keyframes slide{to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){.marquee-track{animation:none}}

/* ---------- cards ---------- */
.grid-3{display:grid;gap:clamp(14px,1.6vw,20px);grid-template-columns:1fr}
@media (min-width:760px){.grid-3{grid-template-columns:repeat(3,1fr)}}

.card{
  background:var(--bg-3);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(28px,2.8vw,38px);text-align:center;
  transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.card .num{
  display:inline-block;margin-bottom:20px;
  font-size:12px;font-weight:700;letter-spacing:.16em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.card h3{font-size:19px;margin-bottom:12px;letter-spacing:-.028em}
.card p{color:var(--fg-2);font-size:15.5px;text-wrap:pretty}
.card-line{background:transparent}

/* ---------- works ---------- */
.work{
  display:flex;flex-direction:column;align-items:center;
  padding-top:clamp(56px,6vw,88px);
  margin-top:clamp(56px,6vw,88px);
  border-top:1px solid var(--line);
}
.work:first-of-type{border-top:0;padding-top:0;margin-top:0}

.work-media{width:100%;max-width:clamp(240px,34vw,376px);margin-inline:auto}
.work-media img{
  width:100%;border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:0 34px 80px -36px rgba(0,0,0,.95);
  aspect-ratio:9/16;object-fit:cover;
}

.work-body{margin-top:clamp(32px,3.4vw,44px);max-width:620px}

.work-tags{
  display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;
  font-size:13px;color:var(--fg-3);
}
.pill{
  display:inline-flex;padding:5px 13px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--fg);
  font-size:11.5px;font-weight:600;letter-spacing:.02em;line-height:1.6;
}
.yr{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--fg-3);margin-left:2px}

.work-title{
  margin-top:18px;font-size:clamp(28px,3.4vw,42px);
  letter-spacing:-.045em;font-weight:800;line-height:1.14;
}
.work-lede{margin-top:20px;color:var(--fg);font-size:clamp(15.5px,1.05vw,17.5px);text-wrap:pretty}
.work-story{margin-top:16px;color:var(--fg-2);font-size:15.5px;text-wrap:pretty}

.members{
  display:grid;gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r);overflow:hidden;
  margin-top:30px;grid-template-columns:repeat(2,1fr);
}
@media (min-width:560px){.members{grid-template-columns:repeat(4,1fr)}}
.members li{background:var(--bg);padding:18px 12px;display:flex;flex-direction:column;gap:3px}
.members strong{font-size:15.5px;letter-spacing:-.02em}
.members span{color:var(--fg-3);font-size:12.5px;line-height:1.5}

.facts{
  display:flex;flex-wrap:wrap;justify-content:center;
  gap:clamp(20px,3vw,44px);margin-top:30px;
}
.facts div{display:flex;flex-direction:column;gap:6px}
.facts dt{font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--fg-3)}
.facts dd{
  margin:0;font-size:clamp(17px,1.5vw,20px);font-weight:700;letter-spacing:-.028em;line-height:1.2;
  color:var(--fg);
}

/* ---------- video facade ---------- */
.video{
  display:block;position:relative;padding:0;margin:0;
  width:100%;aspect-ratio:9/16;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:#000;cursor:pointer;appearance:none;
  box-shadow:0 34px 80px -36px rgba(0,0,0,.95);
  transition:border-color .3s var(--ease);
}
.video:hover{border-color:var(--line-2)}
.video img{width:100%;height:100%;object-fit:cover;border-radius:0;border:0;box-shadow:none}
.video iframe,.video video{width:100%;height:100%;border:0;display:block;object-fit:cover}

.video::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,6,10,.42) 0%,transparent 28%,transparent 60%,rgba(6,6,10,.6) 100%);
}
.video-play{
  position:absolute;left:50%;top:50%;translate:-50% -50%;z-index:1;
  width:64px;height:64px;border-radius:50%;
  background:rgba(12,12,20,.55);border:1px solid rgba(255,255,255,.55);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  display:grid;place-items:center;
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.video-play::before{
  content:"";width:0;height:0;margin-left:4px;
  border-left:15px solid #fff;border-block:9px solid transparent;
}
.video:hover .video-play{transform:translate(-50%,-50%) scale(1.08);background:rgba(12,12,20,.75)}
.video-cap{
  position:absolute;left:16px;top:14px;z-index:1;
  font-size:10px;font-weight:700;letter-spacing:.18em;color:rgba(255,255,255,.86);
}
.video.is-live{cursor:default}
.video.is-live::after,
.video.is-live .video-play,
.video.is-live .video-cap{display:none}

/* ---------- contact ---------- */
.contact h2{font-size:clamp(26px,3.9vw,52px);letter-spacing:-.045em;line-height:1.26;font-weight:800}
.contact-lede{margin-top:24px;color:var(--fg-2)}
.mail{
  display:inline-block;margin-top:34px;
  font-size:clamp(18px,2.2vw,28px);font-weight:700;letter-spacing:-.03em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  border-bottom:1px solid var(--line-2);padding-bottom:6px;
  transition:border-color .25s var(--ease);
}
.mail:hover{border-bottom-color:var(--accent-2)}

/* ---------- footer ---------- */
.site-foot{border-top:1px solid var(--line);padding-block:clamp(40px,5vw,60px);background:var(--bg-2)}
.foot-in{display:flex;flex-direction:column;gap:16px;align-items:center;text-align:center}
.foot-logo{width:120px;opacity:.5}
.foot-meta{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;color:var(--fg-2);font-size:14px}
.foot-meta a{transition:color .2s var(--ease)}
.foot-meta a:hover{color:var(--fg)}
.foot-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--fg-3);display:inline-block}
.foot-copy{color:var(--fg-3);font-size:12.5px}

/* ---------- reveal ---------- */
/* only scripted browsers get the entrance; without JS everything is simply visible */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .reveal.in{opacity:1;transform:none}
.js .reveal[data-d="1"]{transition-delay:.06s}
.js .reveal[data-d="2"]{transition-delay:.12s}
.js .reveal[data-d="3"]{transition-delay:.18s}
.js .reveal[data-d="4"]{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  .btn:hover,.card:hover{transform:none}
}