*{box-sizing:border-box;margin:0;padding:0}
:root{
  /* 블랙 · 골드 — 골드는 면이 아니라 선 · 빛 · 글자에만 쓴다 */
  --bg:#0b0b0c;--bg2:#121214;--card:#17171a;--line:#2a2823;
  --text:#f5f1e8;--dim:#9a9384;--accent:#c9a24a;--accent2:#f2d28b;--gold:201,162,74;--on-gold:#1a1407;
  /* 블랙 · 골드가 바탕과 포인트다. 뜻이 있는 자리에는 다른 색도 쓴다 — 에이전트 청록, 배포 하늘, 보조 산호 */
  --teal:#5ec8b8;--teal-rgb:94,200,184;--sky:#7aa8ff;--sky-rgb:122,168,255;--coral:#ff8a6b;--coral-rgb:255,138,107;
  --radius:24px;--ease:cubic-bezier(.2,.8,.2,1);
}
html{scroll-behavior:smooth}
main{overflow-x:clip}
body{
  background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;
  font-family:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Pretendard",system-ui,"Malgun Gothic",sans-serif;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:100%;max-width:1320px;margin:0 auto;padding:0 24px}
.grad{background:linear-gradient(135deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* 헤더 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,11,12,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{font-size:22px;font-weight:900;letter-spacing:-.02em}
.site-nav{display:flex;gap:28px}
.site-nav a{color:var(--dim);font-size:15px;font-weight:600;transition:color .2s}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--text)}

/* 섹션 머리: 왼쪽 큰 제목 + 오른쪽 짧은 설명 (Wondershare 구성) */
.section{padding:120px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:56px}
.eyebrow{display:inline-block;color:var(--accent);font-size:14px;font-weight:800;letter-spacing:.12em;margin-bottom:14px}
.section-head h2{font-size:clamp(34px,5vw,60px);line-height:1.15;font-weight:900;letter-spacing:-.03em}
.section-head p{color:var(--dim);font-size:17px;max-width:360px}

/* 버튼 */
.btn{display:inline-flex;align-items:center;gap:8px;padding:15px 30px;border-radius:999px;font-weight:800;font-size:16px;transition:transform .3s var(--ease),box-shadow .3s,background .3s}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:var(--on-gold);box-shadow:0 10px 30px rgba(var(--gold),.28)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(var(--gold),.38)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.28);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-3px)}
.btn[aria-disabled="true"]{opacity:.45;pointer-events:none}

/* 등장 애니메이션 — 스크립트 없이 스크롤에 맞춘다. 지원하지 않는 브라우저에서는 처음부터 보인다 */
@supports (animation-timeline: view()){
  @media (prefers-reduced-motion: no-preference){
    .reveal{animation:reveal-in linear both;animation-timeline:view();animation-range:entry 0% entry 70%}
  }
}
@keyframes reveal-in{from{opacity:0;translate:0 40px}to{opacity:1;translate:0 0}}

/* 카드 공통 */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:36px;transition:transform .4s var(--ease),border-color .3s}
.panel:hover{transform:translateY(-6px);border-color:rgba(var(--gold),.45)}
.pending{color:#77705f;font-style:italic}

/* 앱 타일 (펼쳐지는 카드) */
/* 앱 카드: 마우스를 올리면 네 면이 함께 커진다 */
.group{margin-bottom:8px}
.group-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin-bottom:4px}
.group-head h3{font-size:clamp(24px,3vw,32px);font-weight:900;letter-spacing:-.02em}
.group-head h3 i{font-style:normal;color:var(--accent);font-size:.6em;margin-left:10px}
.group-head p{color:var(--dim);font-size:15px}

.track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:thin;scrollbar-color:var(--line) transparent;
  margin:0 -70px;padding:72px 70px 80px;scroll-padding:0 70px;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 70px,#000 calc(100% - 110px),transparent);
  mask-image:linear-gradient(90deg,transparent,#000 70px,#000 calc(100% - 110px),transparent)}
.acard{position:relative;flex:0 0 260px;scroll-snap-align:start;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:22px;overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .3s}
.acard:hover,.acard:focus-visible{transform:scale(1.44);z-index:2;border-color:rgba(var(--gold),.55);
  box-shadow:0 30px 70px rgba(0,0,0,.55),0 0 0 1px rgba(var(--gold),.25);outline:none}
.acard-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg2)}
.acard-media img,.acard-media video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.acard-media video{opacity:0;transition:opacity .4s}
.acard:hover .acard-media video,.acard:focus-visible .acard-media video{opacity:1}
.acard-more{position:absolute;right:12px;bottom:12px;padding:7px 14px;border-radius:999px;background:rgba(0,0,0,.65);backdrop-filter:blur(6px);
  font-size:13px;font-weight:800;opacity:0;transform:translateY(8px);transition:.3s var(--ease)}
.acard:hover .acard-more,.acard:focus-visible .acard-more{opacity:1;transform:none}
.acard-body{display:flex;align-items:center;gap:12px;padding:18px 20px 6px}
.acard-body img{width:48px;height:48px;border-radius:13px;flex-shrink:0}
.acard-genre{color:var(--accent);font-size:12px;font-weight:800}
.acard-body b{font-size:19px;line-height:1.25}
.acard-desc{color:var(--dim);font-size:14px;line-height:1.6;max-height:3.2em;margin:4px 20px 20px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}


/* 푸터 */
.site-footer{border-top:1px solid var(--line);padding:64px 0 48px;color:var(--dim);font-size:14px}
.footer-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;margin-bottom:40px}
.footer-grid h4{color:var(--text);font-size:15px;margin-bottom:14px}
.footer-grid ul{list-style:none;display:grid;gap:8px}
.footer-grid a:hover{color:var(--text)}
.copyright{border-top:1px solid var(--line);padding-top:28px}

@media(max-width:760px){
  .section{padding:80px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px}
  .site-nav{gap:16px}
  .site-nav a{font-size:13px}
  .site-nav .hide-sm{display:none}
  .track{margin:0 -24px;padding:24px 24px 32px;gap:16px;scroll-padding:0 24px}
  .acard{flex-basis:230px}
  .acard:hover,.acard:focus-visible{transform:scale(1.04)}
  .panel{padding:28px}
}
@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}