/* NALENC — 공통 스타일 */
:root {
  --ink: #0d0816;
  --ink-2: #171024;
  --ink-3: #241a38;
  --line: rgba(255, 255, 255, .1);
  --line-2: rgba(255, 255, 255, .2);
  --text: #f6f1ff;
  --text-2: #c9bfdc;
  --text-3: #8b80a3;
  --butter: #ffc83d;
  --berry: #ff3b5c;
  --lilac: #b9a8d6;
  --mint: #5ce1c6;
  --batter: #ffefd2;
  --display: "Unbounded", "Black Han Sans", sans-serif;
  --kr: "Noto Sans KR", sans-serif;
  --kr-display: "Black Han Sans", "Noto Sans KR", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --gutter: clamp(16px, 4vw, 56px);
  --ease: cubic-bezier(.2, .8, .2, 1);
}

* { box-sizing: border-box; }
html { background: var(--ink); color: var(--text); -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--kr); line-height: 1.6; background: var(--ink); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }
::selection { background: var(--butter); color: var(--ink); }

/* 필름 그레인 */
.grain { position: fixed; inset: -50%; z-index: 90; pointer-events: none; opacity: .07;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  animation: grain 1s steps(6) infinite; }
@keyframes grain { 0% { transform: translate(0, 0); } 20% { transform: translate(-3%, 2%); } 40% { transform: translate(2%, -3%); } 60% { transform: translate(-1%, 3%); } 80% { transform: translate(3%, 1%); } 100% { transform: translate(0, 0); } }

/* 커서 */
.cursor, .cursor-ring { position: fixed; left: 0; top: 0; z-index: 100; pointer-events: none; border-radius: 50%; transform: translate(-50%, -50%); }
.cursor { width: 6px; height: 6px; background: var(--butter); }
.cursor-ring { width: 34px; height: 34px; border: 1px solid rgba(255, 200, 61, .6); transition: width .25s var(--ease), height .25s var(--ease), background .25s, border-color .25s; }
.cursor-ring.hot { width: 64px; height: 64px; background: rgba(255, 200, 61, .12); border-color: var(--butter); }
.cursor-ring.no { border-color: var(--text-3); background: transparent; }
@media (hover: none), (pointer: coarse) { .cursor, .cursor-ring { display: none; } }

/* 상단 메뉴 */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 50; display: flex; align-items: center; gap: 24px; padding: 18px var(--gutter); mix-blend-mode: difference; transition: transform .4s var(--ease); }
.nav.hide { transform: translateY(-110%); }
.nav .logo { font-family: var(--display); font-weight: 900; letter-spacing: .04em; font-size: 18px; }
.nav .logo small { font-family: var(--kr); font-weight: 700; font-size: 11px; letter-spacing: 0; margin-left: 8px; opacity: .7; }
.nav .links { margin-left: auto; display: flex; gap: clamp(14px, 3vw, 32px); font-family: var(--mono); font-size: 12px; text-transform: uppercase; letter-spacing: .1em; }
.nav .links a { position: relative; white-space: nowrap; }
.nav .links a::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease); }
.nav .links a:hover::after { transform: scaleX(1); transform-origin: left; }
.scroll-bar { position: fixed; top: 0; left: 0; height: 2px; width: 100%; z-index: 60; background: var(--butter); transform-origin: left; transform: scaleX(var(--sp, 0)); }

/* 공통 */
.eyebrow { font-family: var(--mono); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; color: var(--text-3); display: flex; align-items: center; gap: 10px; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; border-radius: 999px; border: 1px solid var(--line-2); background: transparent; font-weight: 700; cursor: pointer; transition: background .3s, color .3s, border-color .3s, transform .3s var(--ease); }
.btn:hover { background: var(--text); color: var(--ink); border-color: var(--text); }
.btn.solid { background: var(--butter); color: var(--ink); border-color: var(--butter); }
.btn.solid:hover { background: var(--text); border-color: var(--text); }
.btn .arr { transition: transform .3s var(--ease); }
.btn:hover .arr { transform: translateX(4px); }

/* 숨겼다 나타나기는 JS 가 돌 때만 — 꺼져 있으면 그냥 보인다 */
.js [data-reveal] { opacity: 0; transform: translateY(40px); transition: opacity 1s var(--ease), transform 1s var(--ease); transition-delay: var(--d, 0s); }
.js [data-reveal].in { opacity: 1; transform: none; }

/* 고정 무대 공통: 섹션 높이 = --len, 안쪽 .stage 가 화면에 붙어 있음 */
.pin { position: relative; height: var(--len, 300vh); }
.pin .stage { position: sticky; top: 0; height: 100vh; height: 100svh; overflow: hidden; overflow: clip; padding: 96px var(--gutter) 48px; display: flex; flex-direction: column; }
/* 흐르는 띠 */
.marquee { overflow: hidden; border-block: 1px solid var(--line); padding: 18px 0; background: var(--ink-2); }
.marquee .track { display: flex; width: max-content; gap: 48px; animation: mq 28s linear infinite; transform: skewX(calc(var(--skew, 0) * 1deg)); }
.marquee span { font-family: var(--display); font-weight: 900; font-size: clamp(28px, 5vw, 64px); white-space: nowrap; letter-spacing: -.01em; }
.marquee span.o { color: transparent; -webkit-text-stroke: 1px var(--text-3); }
.marquee span.y { color: var(--butter); }
.marquee .dot { color: var(--berry); }
@keyframes mq { to { transform: translateX(-50%) skewX(calc(var(--skew, 0) * 1deg)); } }

.footer { padding: 40px var(--gutter); display: flex; flex-wrap: wrap; gap: 12px 24px; align-items: center; border-top: 1px solid var(--line); font-family: var(--mono); font-size: 12px; color: var(--text-3); }
.footer .sp { flex: 1; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001s !important; animation-iteration-count: 1 !important; transition-duration: .001s !important; }
  .js [data-reveal] { opacity: 1; transform: none; }
}
@media (max-width: 640px) {
  .nav { gap: 12px; padding-top: 14px; padding-bottom: 14px; }
  .nav .logo small { display: none; }
  .nav .links { gap: 14px; font-size: 11px; }
}