/* ==========================================================================
   WATT — site.css  (v2 · Dark / Volt)
   다크 캔버스 + 볼트(전압) 액센트 1색 + 대형 타이포 + 라운드 벤토 카드
   색·라운드·간격은 :root 토큰만 바꾸면 전체에 반영된다.
   ========================================================================== */

:root {
  --bg: #050607;
  --bg-2: #0a0c0e;
  --card: #0e1114;
  --card-2: #13171b;
  --line: rgba(255, 255, 255, 0.08);
  --line-2: rgba(255, 255, 255, 0.16);
  --fg: #f4f5f6;
  --fg-2: #a4aab2;
  --fg-3: #636a73;
  --volt: #d4ff3a;          /* 유일한 액센트 */
  --volt-ink: #0a0b0c;      /* 볼트 위 글자 */
  --plate: #e8eaed;         /* 제품 스튜디오 플레이트 */
  --plate-2: #f4f5f7;
  --danger: #ff6b5a;

  --font: "Geist", "Wanted Sans Variable", "Wanted Sans", -apple-system, BlinkMacSystemFont, system-ui, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;

  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-pill: 999px;

  --wrap: 1600px;
  --gutter: clamp(16px, 3.2vw, 48px);
  --sec: clamp(96px, 12vw, 200px);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 120px; background: var(--bg); }
body {
  margin: 0; min-height: 100vh;
  font-family: var(--font); font-size: 16px; line-height: 1.6; font-weight: 400;
  color: var(--fg); background: var(--bg);
  word-break: keep-all; overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "cv11";
}
/* 미세 노이즈 */
body::after {
  content: ""; position: fixed; inset: 0; z-index: 1000; pointer-events: none; opacity: .04;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection { background: var(--volt); color: var(--volt-ink); }
img, video, iframe { display: block; max-width: 100%; }
img { height: auto; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
:focus-visible { outline: 2px solid var(--volt); outline-offset: 3px; border-radius: 6px; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 16px; top: -60px; z-index: 300; background: var(--volt); color: var(--volt-ink); padding: 10px 16px; border-radius: var(--r-pill); font-weight: 600; }
.skip-link:focus { top: 16px; }

/* ---------- Layout ---------- */
.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding-inline: var(--gutter); }
.wrap-narrow { max-width: calc(860px + var(--gutter) * 2); }
.sec { padding-block: var(--sec); position: relative; }
.sec-sm { padding-block: clamp(64px, 7vw, 120px); }
.sec + .sec { padding-top: 0; }
.sec-raise { background: var(--bg-2); border-block: 1px solid var(--line); }
.sec-raise + .sec { padding-top: var(--sec); }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 12px; }
.grid > * { grid-column: 1 / -1; }
@media (min-width: 1024px) {
  .c-3 { grid-column: span 3; } .c-4 { grid-column: span 4; } .c-5 { grid-column: span 5; }
  .c-6 { grid-column: span 6; } .c-7 { grid-column: span 7; } .c-8 { grid-column: span 8; } .c-9 { grid-column: span 9; }
  .sticky { position: sticky; top: 120px; align-self: start; }
}

/* ---------- Type ---------- */
.t-mega { font-size: clamp(64px, 13vw, 232px); line-height: .86; font-weight: 600; letter-spacing: -0.06em; }
.t-display { font-size: clamp(46px, 7.6vw, 136px); line-height: .94; font-weight: 600; letter-spacing: -0.052em; }
.t-h1 { font-size: clamp(38px, 5.2vw, 88px); line-height: 1.02; font-weight: 600; letter-spacing: -0.045em; }
.t-h2 { font-size: clamp(30px, 3.6vw, 60px); line-height: 1.08; font-weight: 600; letter-spacing: -0.04em; }
.t-h3 { font-size: clamp(21px, 1.8vw, 28px); line-height: 1.28; font-weight: 600; letter-spacing: -0.025em; }
.t-lead { font-size: clamp(17px, 1.45vw, 22px); line-height: 1.6; color: var(--fg-2); letter-spacing: -0.01em; }
.t-body { color: var(--fg-2); }
.t-dim { color: var(--fg-3); }
.accent { color: var(--volt); font-weight: inherit; }
.mono { font-family: var(--mono); font-size: 12px; line-height: 1.4; letter-spacing: .06em; text-transform: uppercase; color: var(--fg-3); font-weight: 500; }
.label { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 28px; font-family: var(--mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-2); }
.label .no { color: var(--volt); }
.label::before { content: ""; width: 6px; height: 6px; border-radius: 2px; background: var(--volt); box-shadow: 0 0 12px var(--volt); }
.label.no-dot::before { display: none; }

/* ---------- Buttons ---------- */
.btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 26px; border-radius: var(--r-pill);
  font-size: 15px; font-weight: 600; letter-spacing: -0.01em; white-space: nowrap;
  border: 1px solid transparent; overflow: hidden; isolation: isolate;
  transition: transform .4s var(--ease), background-color .3s, color .3s, border-color .3s;
}
.btn:active { transform: scale(.97); }
.btn-volt { background: var(--volt); color: var(--volt-ink); }
.btn-volt:hover { background: #e3ff7a; }
.btn-ghost { border-color: var(--line-2); color: var(--fg); background: rgba(255, 255, 255, .03); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.btn-ghost:hover { border-color: var(--fg); background: rgba(255, 255, 255, .08); }
.btn-white { background: var(--fg); color: var(--volt-ink); }
.btn-white:hover { background: #fff; }
.btn-lg { height: 60px; padding: 0 32px; font-size: 16px; }
.btn-block { width: 100%; }
.btn .ar { display: inline-block; transition: transform .45s var(--ease); }
.btn:hover .ar, .link:hover .ar, .card-link:hover .ar { transform: translate(3px, -3px); }
.link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; color: var(--fg); }
.link .ar { color: var(--volt); transition: transform .45s var(--ease); }
.icon-btn { width: 48px; height: 48px; display: inline-grid; place-items: center; border-radius: 50%; border: 1px solid var(--line-2); color: var(--fg); font-size: 18px; transition: background-color .3s, border-color .3s, color .3s; }
.icon-btn:hover { background: var(--fg); color: var(--volt-ink); border-color: var(--fg); }
.text-btn { font-size: 14px; color: var(--fg-2); text-decoration: underline; text-underline-offset: 4px; }
.text-btn:hover { color: var(--fg); }

/* ---------- Floating nav ---------- */
.nav {
  position: fixed; z-index: 200; top: 14px; left: 50%; transform: translateX(-50%);
  width: min(1180px, calc(100% - 28px)); height: 62px;
  display: flex; align-items: center; gap: 24px; padding: 0 8px 0 22px;
  border-radius: var(--r-pill); border: 1px solid var(--line);
  background: rgba(12, 14, 17, .55); -webkit-backdrop-filter: blur(20px) saturate(160%); backdrop-filter: blur(20px) saturate(160%);
  transition: background-color .4s, border-color .4s, top .4s var(--ease);
}
.nav.is-scrolled { background: rgba(12, 14, 17, .82); border-color: var(--line-2); }
.nav-brand { flex: none; display: block; width: 83px; height: 28px; } /* 로고 2.95:1 */
.nav-brand img { width: 83px; height: 28px; }
.nav-links { display: flex; gap: 4px; margin: 0 auto; }
.nav-links a { position: relative; display: block; padding: 10px 16px; border-radius: var(--r-pill); font-size: 14px; font-weight: 500; color: var(--fg-2); transition: color .25s, background-color .25s; }
.nav-links a:hover { color: var(--fg); background: rgba(255, 255, 255, .06); }
.nav-links a[aria-current="page"] { color: var(--fg); }
.nav-links a[aria-current="page"]::after { content: ""; position: absolute; left: 50%; bottom: 4px; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: var(--volt); }
.nav-cta { height: 46px; padding: 0 20px; font-size: 14px; }
.menu-btn { display: none; margin-left: auto; width: 46px; height: 46px; border-radius: 50%; background: rgba(255, 255, 255, .06); position: relative; }
.menu-btn span { position: absolute; left: 15px; right: 15px; height: 1.5px; background: var(--fg); transition: transform .4s var(--ease), top .4s var(--ease); }
.menu-btn span:nth-child(2) { top: 19px; }
.menu-btn span:nth-child(3) { top: 26px; }
.menu-btn.is-open span:nth-child(2), .menu-btn.is-open span:nth-child(3) { top: 22.5px; }
.menu-btn.is-open span:nth-child(2) { transform: rotate(45deg); }
.menu-btn.is-open span:nth-child(3) { transform: rotate(-45deg); }
@media (max-width: 1023px) {
  .nav-links, .nav .nav-cta { display: none; }
  .menu-btn { display: block; }
  .nav { height: 58px; padding-left: 18px; }
}
.mmenu {
  position: fixed; inset: 0; z-index: 190; background: var(--bg);
  padding: 104px var(--gutter) calc(32px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; justify-content: space-between; overflow-y: auto;
}
.mmenu[hidden] { display: none; }
.mmenu li { border-bottom: 1px solid var(--line); }
.mmenu nav a { display: flex; align-items: baseline; gap: 16px; padding: 16px 0; font-size: clamp(36px, 10vw, 56px); font-weight: 600; letter-spacing: -0.04em; line-height: 1.05; }
.mmenu nav a .mono { font-size: 11px; }
.mmenu nav a[aria-current="page"] { color: var(--volt); }
.mmenu-foot { display: grid; gap: 16px; margin-top: 40px; }
.mmenu-foot p { color: var(--fg-2); font-size: 14px; }

/* ---------- Hero (framed) ---------- */
.hx { padding: 86px 12px 12px; height: 100vh; height: 100svh; min-height: 640px; }
.hx-frame { position: relative; height: 100%; border-radius: var(--r-lg); overflow: hidden; background: #000; isolation: isolate; }
.hx-media, .hx-media picture, .hx-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hx-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0, 0, 0, .82) 0%, rgba(0, 0, 0, .28) 42%, rgba(0, 0, 0, 0) 70%), radial-gradient(120% 80% at 50% 120%, rgba(0, 0, 0, .6), transparent 60%); }
.hx-video { position: absolute; inset: 0; overflow: hidden; opacity: 0; transition: opacity 1.4s var(--ease); pointer-events: none; }
.hx-video.is-ready { opacity: 1; }
.hx-video iframe { position: absolute; top: 50%; left: 50%; border: 0; width: max(100%, 177.78vh); height: max(100%, 56.25vw); transform: translate(-50%, -50%) scale(1.02); }
.hx-top { position: absolute; z-index: 2; top: 0; left: 0; right: 0; display: flex; justify-content: space-between; align-items: center; padding: 24px clamp(20px, 3vw, 40px); }
.hx-body { position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; padding: clamp(24px, 3vw, 44px); display: grid; gap: 32px; align-items: end; }
.hx-body .t-display, .hx-body .t-mega { max-width: 11ch; }
.hx-side { display: grid; gap: 24px; max-width: 420px; }
.hx-side .t-lead { color: rgba(255, 255, 255, .78); }
.hx-actions { display: flex; flex-wrap: wrap; gap: 10px; }
@media (min-width: 1024px) { .hx-body { grid-template-columns: 1fr auto; } }
.hx-toggle { width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .3); display: grid; place-items: center; background: rgba(0, 0, 0, .25); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.hx-toggle i { width: 10px; height: 12px; border-left: 3px solid #fff; border-right: 3px solid #fff; }
.hx-toggle[aria-pressed="true"] i { width: 0; height: 0; border: 0; border-left: 11px solid #fff; border-top: 7px solid transparent; border-bottom: 7px solid transparent; margin-left: 3px; }
.hx-sm { height: auto; min-height: 0; }
.hx-sm .hx-frame { height: clamp(520px, 78vh, 860px); }

/* 에디토리얼 히어로 (이미지 아래) */
.hero-ed { padding-top: clamp(140px, 16vw, 220px); }
.hero-ed-head { display: grid; gap: 32px; align-items: end; margin-bottom: clamp(40px, 5vw, 72px); }
.hero-ed-side { display: grid; gap: 24px; justify-items: start; max-width: 440px; }
@media (min-width: 1024px) { .hero-ed-head { grid-template-columns: 1fr auto; } }
.frame { position: relative; overflow: hidden; border-radius: var(--r-lg); background: var(--card); }
.frame img, .frame picture { width: 100%; height: 100%; object-fit: cover; }
.frame-wide { aspect-ratio: 21 / 9; }
@media (max-width: 767px) { .frame-wide { aspect-ratio: 4 / 5; } }
[data-zoom] img { transform: scale(var(--z, 1.12)); transform-origin: center; will-change: transform; }

/* ---------- Ticker ---------- */
.ticker { overflow: hidden; border-block: 1px solid var(--line); padding-block: 22px; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.ticker-track { display: flex; width: max-content; animation: marquee var(--dur, 80s) linear infinite; }
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-item { display: inline-flex; align-items: center; gap: 14px; padding-right: 56px; white-space: nowrap; font-size: 15px; color: var(--fg-2); }
.ticker-item time { font-family: var(--mono); font-size: 12px; color: var(--volt); letter-spacing: .06em; }
.ticker-item::after { content: ""; width: 5px; height: 5px; border-radius: 1px; background: var(--fg-3); margin-left: 42px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- Scroll highlight text ---------- */
.hl { font-size: clamp(30px, 4.6vw, 78px); line-height: 1.12; font-weight: 500; letter-spacing: -0.04em; max-width: 22ch; }
.hl-sm { font-size: clamp(26px, 3.4vw, 56px); max-width: 26ch; }
.js .hl .w { color: rgba(255, 255, 255, .13); transition: color .5s var(--ease); }
.js .hl .w.on { color: var(--fg); }
.js .hl .accent .w.on, .js .hl .w.on.accent { color: var(--volt); }

/* ---------- Cards / bento ---------- */
.card { position: relative; overflow: hidden; border-radius: var(--r-lg); background: var(--card); border: 1px solid var(--line); isolation: isolate; }
.spot::before { content: ""; position: absolute; inset: 0; z-index: -1; opacity: 0; transition: opacity .4s; background: radial-gradient(520px circle at var(--mx, 50%) var(--my, 50%), rgba(212, 255, 58, .09), transparent 45%); }
.spot:hover::before { opacity: 1; }
.card-pad { padding: clamp(24px, 2.6vw, 40px); }
.card-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; font-size: 15px; }
.card-link .ar { width: 36px; height: 36px; display: inline-grid; place-items: center; border-radius: 50%; background: var(--volt); color: var(--volt-ink); font-size: 14px; transition: transform .45s var(--ease); }

/* 스토리 카드 (텍스트 위, 사진 아래) */
.story { display: flex; flex-direction: column; gap: 28px; min-height: 100%; }
.story-media { margin-top: auto; aspect-ratio: 16 / 9; border-radius: var(--r-md); overflow: hidden; background: var(--plate); }
.story-media img, .story-media picture { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.story:hover .story-media img { transform: scale(1.04); }
.story .t-h2 { margin: 6px 0 16px; }

/* 제품 카드 (스튜디오 플레이트) */
.pcard { display: flex; flex-direction: column; }
.plate { position: relative; aspect-ratio: 1 / 1; background: radial-gradient(80% 70% at 50% 40%, var(--plate-2), var(--plate)); display: grid; place-items: center; overflow: hidden; }
.plate img { width: 76%; height: 80%; object-fit: contain; mix-blend-mode: multiply; transition: transform 1s var(--ease); }
.pcard:hover .plate img { transform: scale(1.05) translateY(-2%); }
.plate .mono { position: absolute; top: 18px; left: 20px; color: rgba(10, 11, 12, .45); }
.pcard-body { padding: 24px 24px 26px; display: grid; gap: 8px; }
.pcard-body .t-body { font-size: 15px; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.chip { display: inline-flex; gap: 6px; align-items: baseline; padding: 6px 12px; border-radius: var(--r-pill); border: 1px solid var(--line-2); font-size: 13px; }
.chip b { font-weight: 600; }
.chip span { color: var(--fg-3); font-size: 12px; }

/* ---------- Big numbers ---------- */
.nums { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.num { padding: clamp(24px, 2.6vw, 40px); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); display: flex; flex-direction: column; gap: 16px; min-height: 220px; }
.num-v { margin-top: auto; font-size: clamp(44px, 5vw, 84px); line-height: .95; font-weight: 600; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; }
.num-l { color: var(--fg-2); font-size: 14px; }

/* ---------- Rows (history / list) ---------- */
.rows li, .row { display: grid; grid-template-columns: 120px 1fr auto; gap: 20px; align-items: baseline; padding: 22px 0; border-top: 1px solid var(--line); }
.rows li:last-child { border-bottom: 1px solid var(--line); }
.rows time, .row time { font-family: var(--mono); font-size: 13px; color: var(--volt); letter-spacing: .04em; }
.rows p { font-size: clamp(16px, 1.3vw, 19px); }
@media (max-width: 600px) { .rows li { grid-template-columns: 84px 1fr; } }

/* ---------- Timeline (about) ---------- */
.tl-year { display: grid; gap: 16px; padding: clamp(32px, 4vw, 56px) 0; border-top: 1px solid var(--line); }
.tl-year:last-child { border-bottom: 1px solid var(--line); }
.tl-y { font-size: clamp(56px, 8vw, 132px); line-height: .85; font-weight: 600; letter-spacing: -0.06em; color: transparent; -webkit-text-stroke: 1px var(--line-2); font-variant-numeric: tabular-nums; transition: color .6s var(--ease), -webkit-text-stroke-color .6s; }
.tl-year.is-in .tl-y { -webkit-text-stroke-color: rgba(255, 255, 255, .5); }
.tl-year.is-latest .tl-y { color: var(--volt); -webkit-text-stroke-color: var(--volt); }
.tl-list li { display: grid; grid-template-columns: 64px 1fr; gap: 16px; padding: 10px 0; font-size: clamp(16px, 1.25vw, 18px); }
.tl-list .mono { color: var(--fg-3); padding-top: 4px; }
@media (min-width: 900px) { .tl-year { grid-template-columns: minmax(200px, 5fr) 7fr; } }

/* ---------- Horizontal gallery ---------- */
.hscroll { display: grid; grid-auto-flow: column; grid-auto-columns: min(80vw, 760px); gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; padding-inline: max(var(--gutter), calc((100vw - var(--wrap)) / 2)); scroll-padding-inline: max(var(--gutter), calc((100vw - var(--wrap)) / 2)); scrollbar-width: none; cursor: grab; }
.hscroll::-webkit-scrollbar { display: none; }
.hscroll.is-drag { cursor: grabbing; scroll-snap-type: none; }
.hscroll figure { scroll-snap-align: start; aspect-ratio: 3 / 2; border-radius: var(--r-lg); overflow: hidden; background: var(--card); }
.hscroll img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; -webkit-user-drag: none; }
.sec-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 24px 40px; margin-bottom: clamp(40px, 5vw, 80px); }
.sec-head .label { margin-bottom: 20px; }
.ctrl { display: flex; gap: 8px; }

/* info bento */
.infos { display: grid; gap: 12px; margin-top: 12px; }
@media (min-width: 768px) { .infos { grid-template-columns: repeat(3, 1fr); } }
.info { padding: clamp(24px, 2.4vw, 36px); display: flex; flex-direction: column; gap: 10px; min-height: 220px; }
.info .mono { margin-bottom: auto; }
.info .t-h3 { margin-top: 28px; }

/* ---------- Video ---------- */
.vcard { position: relative; display: block; width: 100%; overflow: hidden; border-radius: var(--r-lg); background: #000; aspect-ratio: 16 / 9; text-align: left; }
.vcard img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease), opacity .4s; opacity: .9; }
.vcard:hover img { transform: scale(1.04); opacity: 1; }
.play { position: absolute; left: 50%; top: 50%; width: 88px; height: 88px; transform: translate(-50%, -50%); border-radius: 50%; background: rgba(255, 255, 255, .14); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); border: 1px solid rgba(255, 255, 255, .3); transition: transform .5s var(--ease), background-color .3s; }
.play::after { content: ""; position: absolute; left: 36px; top: 30px; border-left: 20px solid #fff; border-top: 14px solid transparent; border-bottom: 14px solid transparent; }
.vcard:hover .play { transform: translate(-50%, -50%) scale(1.1); background: var(--volt); }
.vcard:hover .play::after { border-left-color: var(--volt-ink); }
.vcard-sm .play { width: 64px; height: 64px; }
.vcard-sm .play::after { left: 26px; top: 21px; border-left-width: 15px; border-top-width: 11px; border-bottom-width: 11px; }
.vinline { position: relative; aspect-ratio: 16 / 9; border-radius: var(--r-lg); overflow: hidden; background: #000; }
.vinline iframe, .vinline .vcard { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-modal { width: min(1240px, 94vw); padding: 0; border: 0; background: transparent; overflow: visible; }
.video-modal::backdrop { background: rgba(0, 0, 0, .9); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.video-modal-frame { aspect-ratio: 16 / 9; background: #000; border-radius: var(--r-md); overflow: hidden; }
.video-modal-frame iframe { width: 100%; height: 100%; border: 0; }
.video-modal-close { position: absolute; right: 0; top: -60px; width: 48px; height: 48px; border-radius: 50%; border: 1px solid var(--line-2); color: #fff; font-size: 22px; }

/* ---------- Tabs (pill) ---------- */
.ptabs { display: inline-flex; flex-wrap: wrap; gap: 4px; padding: 5px; border-radius: var(--r-pill); background: var(--card); border: 1px solid var(--line); }
.ptabs [role="tab"], .ptabs label span { display: block; padding: 11px 20px; border-radius: var(--r-pill); font-size: 14px; font-weight: 500; color: var(--fg-2); transition: background-color .3s, color .3s; cursor: pointer; }
.ptabs [role="tab"][aria-selected="true"] { background: var(--fg); color: var(--volt-ink); font-weight: 600; }

/* ---------- Sticky stacked cards ---------- */
.stack { display: grid; gap: 24px; }
.stack-card { position: sticky; top: calc(110px + var(--i, 0) * 28px); display: grid; gap: 28px; padding: clamp(20px, 2.4vw, 32px); background: var(--card-2); border: 1px solid var(--line-2); border-radius: var(--r-lg); box-shadow: 0 -30px 60px rgba(0, 0, 0, .45); min-height: min(70vh, 620px); align-items: center; }
.stack-card .frame { aspect-ratio: 16 / 10; border-radius: var(--r-md); }
.stack-card .t-h1 { font-size: clamp(30px, 3.6vw, 60px); margin: 18px 0 20px; }
@media (min-width: 1024px) { .stack-card { grid-template-columns: 7fr 5fr; gap: 48px; } .stack-text { padding-right: 24px; } }

/* ---------- Procedure ---------- */
.proc { display: grid; gap: 12px; }
.proc-phase { display: grid; gap: 12px; }
.proc-steps { display: grid; gap: 12px; }
.step { position: relative; display: flex; flex-direction: column; justify-content: space-between; gap: 48px; min-height: 220px; padding: 24px; border-radius: var(--r-md); background: var(--card); border: 1px solid var(--line); }
.step .mono { color: var(--fg-3); }
.step-t { font-size: clamp(18px, 1.5vw, 22px); font-weight: 600; letter-spacing: -0.02em; line-height: 1.35; }
.step-dot { position: absolute; top: 24px; right: 24px; width: 8px; height: 8px; border-radius: 50%; border: 1px solid var(--fg-3); }
.proc-phase.is-final .step { background: var(--volt); color: var(--volt-ink); border-color: var(--volt); }
.proc-phase.is-final .step .mono { color: rgba(10, 11, 12, .55); }
.proc-phase.is-final .step-dot { background: var(--volt-ink); border-color: var(--volt-ink); }
.proc-dur { position: relative; height: 28px; display: grid; place-items: center; font-family: var(--mono); font-size: 12px; color: var(--volt); letter-spacing: .06em; }
.proc-dur::before { content: ""; position: absolute; left: 0; right: 0; top: 50%; border-top: 1px dashed rgba(212, 255, 58, .5); }
.proc-dur span { position: relative; padding: 0 12px; background: var(--bg-2); }
@media (min-width: 900px) { .proc { grid-template-columns: 3fr 2fr 1fr; align-items: start; } .proc-steps { grid-template-columns: repeat(var(--n), 1fr); } }
@media (max-width: 899px) { .proc-steps { grid-template-columns: 1fr 1fr; } .step { min-height: 150px; } }

/* ---------- Logo marquee ---------- */
.logos { display: flex; width: max-content; animation: marquee 40s linear infinite; }
.logos li { display: grid; place-items: center; width: clamp(180px, 18vw, 260px); height: 96px; }
.logos img { max-width: 60%; max-height: 40px; width: auto; height: auto; filter: brightness(0) invert(1); opacity: .55; transition: opacity .3s; }
.logos li:hover img { opacity: 1; }

/* ---------- Products ---------- */
.subnav { position: sticky; top: 90px; z-index: 60; display: flex; justify-content: center; margin-top: 12px; pointer-events: none; }
.subnav ul { pointer-events: auto; display: inline-flex; gap: 4px; padding: 5px; border-radius: var(--r-pill); background: rgba(12, 14, 17, .7); border: 1px solid var(--line-2); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); max-width: calc(100vw - 32px); overflow-x: auto; scrollbar-width: none; }
.subnav ul::-webkit-scrollbar { display: none; }
.subnav a { display: flex; align-items: center; gap: 10px; padding: 9px 18px 9px 12px; border-radius: var(--r-pill); font-size: 14px; font-weight: 500; color: var(--fg-2); white-space: nowrap; transition: background-color .3s, color .3s; }
.subnav a img { height: 20px; width: auto; filter: brightness(0) invert(1); opacity: .6; }
.subnav a.is-active { background: var(--fg); color: var(--volt-ink); font-weight: 600; }
.subnav a.is-active img { filter: none; opacity: 1; }
.product { padding-block: var(--sec) 0; scroll-margin-top: 120px; }
.product-head { display: grid; gap: 24px; align-items: end; margin-bottom: clamp(32px, 4vw, 64px); }
.product-head .t-mega { white-space: nowrap; font-size: clamp(56px, 10.5vw, 200px); }
.product-side { display: grid; gap: 14px; max-width: 520px; }
@media (min-width: 1024px) { .product-head { grid-template-columns: 1fr minmax(320px, 520px); } }
.pbento { display: grid; gap: 12px; }
@media (min-width: 1024px) { .pbento { grid-template-columns: 7fr 5fr; } }
.gallery { position: relative; border-radius: var(--r-lg); overflow: hidden; background: radial-gradient(80% 70% at 50% 40%, var(--plate-2), var(--plate)); min-height: 420px; }
.gallery-stage { aspect-ratio: 1 / 1; display: grid; place-items: center; max-height: 760px; width: 100%; }
.gallery-stage img { width: 74%; height: 82%; object-fit: contain; mix-blend-mode: multiply; transition: opacity .3s; }
.thumbs { position: absolute; left: 16px; bottom: 16px; display: flex; gap: 6px; padding: 6px; border-radius: var(--r-pill); background: rgba(255, 255, 255, .7); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.thumbs button { width: 48px; height: 48px; border-radius: 50%; background: var(--plate); border: 2px solid transparent; padding: 5px; transition: border-color .3s; }
.thumbs button img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.thumbs button[aria-pressed="true"] { border-color: var(--volt-ink); }
.kstack { display: grid; gap: 12px; grid-auto-rows: 1fr; }
.ktile { padding: clamp(22px, 2.4vw, 34px); display: flex; flex-direction: column; justify-content: space-between; gap: 24px; min-height: 180px; }
.ktile .num-v { font-size: clamp(44px, 4.6vw, 80px); }
.ktile:first-child { background: var(--volt); color: var(--volt-ink); border-color: var(--volt); }
.ktile:first-child .mono { color: rgba(10, 11, 12, .55); }
.ktile:first-child .num-l { color: rgba(10, 11, 12, .7); }
.pblock { margin-top: clamp(64px, 7vw, 112px); }
.pblock-h { display: flex; justify-content: space-between; align-items: center; padding-bottom: 20px; margin-bottom: 24px; border-bottom: 1px solid var(--line); }
.strengths { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.strength { display: grid; gap: 18px; align-content: start; }
.strength .vcard, .strength .frame { aspect-ratio: 16 / 9; border-radius: var(--r-md); }
.strength .t-h3 { margin-top: 4px; }
.strength .t-body { font-size: 15px; }
.specs { display: grid; gap: 12px; }
@media (min-width: 900px) { .specs { grid-template-columns: repeat(2, 1fr); } }
.spec { padding: clamp(22px, 2.4vw, 32px); }
.spec h4 { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--volt); margin-bottom: 16px; }
.spec-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr); gap: 16px; padding: 12px 0; border-top: 1px solid var(--line); }
.spec-row dt { color: var(--fg-2); font-size: 14px; }
.spec-row dd { font-size: 15px; display: flex; flex-wrap: wrap; gap: 2px 10px; align-items: baseline; }
.spec-row dd strong { font-weight: 600; }
.spec-row dd span { font-size: 12px; color: var(--fg-3); }

/* ---------- Join / CTA ---------- */
.join { position: relative; min-height: clamp(520px, 76vh, 820px); display: flex; align-items: flex-end; }
.join .join-media, .join .join-media picture, .join .join-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.join::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(5, 6, 7, .9), rgba(5, 6, 7, .2) 55%, transparent); }
.join-body { position: relative; z-index: 2; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 32px; width: 100%; padding: clamp(24px, 3.2vw, 48px); }
.cta { position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; left: 50%; top: 100%; width: 1400px; height: 900px; transform: translate(-50%, -45%); background: radial-gradient(closest-side, rgba(212, 255, 58, .16), transparent 70%); pointer-events: none; }
.cta-inner { position: relative; display: grid; gap: 40px; align-items: end; }
@media (min-width: 1024px) { .cta-inner { grid-template-columns: 1fr auto; } }
.orb { position: relative; display: grid; place-items: center; width: clamp(160px, 16vw, 220px); aspect-ratio: 1; border-radius: 50%; background: var(--volt); color: var(--volt-ink); font-weight: 600; font-size: 17px; text-align: center; transition: transform .6s var(--ease); }
.orb:hover { transform: scale(1.06) rotate(-6deg); }
.orb .ar { display: block; font-size: 28px; margin-bottom: 6px; }
.cta-meta { display: flex; flex-wrap: wrap; gap: 8px 28px; margin-top: 32px; color: var(--fg-2); }
.cta-meta a:hover { color: var(--fg); }

/* ---------- Footer ---------- */
.foot { position: relative; padding-top: clamp(72px, 8vw, 120px); border-top: 1px solid var(--line); overflow: hidden; }
.foot-grid { display: grid; gap: 40px; }
@media (min-width: 900px) { .foot-grid { grid-template-columns: 5fr 2fr 2fr 3fr; } }
.foot h3 { font-family: var(--mono); font-size: 12px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--fg-3); margin-bottom: 16px; }
.foot li + li { margin-top: 8px; }
.foot a { color: var(--fg-2); transition: color .2s; }
.foot a:hover { color: var(--fg); }
.foot-info { color: var(--fg-3); font-size: 13px; line-height: 1.9; }
.foot-info strong { color: var(--fg-2); font-weight: 500; }
.foot-mark { display: block; margin-top: clamp(56px, 7vw, 104px); font-size: 27vw; line-height: .74; font-weight: 700; letter-spacing: -0.07em; text-align: center; color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .1); user-select: none; transform: translateY(8%); }
.foot-bottom { position: relative; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-block: 22px calc(22px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); font-size: 13px; color: var(--fg-3); }
.foot-bottom a { color: var(--fg); font-weight: 600; }

/* ---------- Careers ---------- */
.mosaic { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
.mosaic figure { aspect-ratio: 4 / 3; border-radius: var(--r-lg); overflow: hidden; background: var(--card); }
.mosaic img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.mosaic figure:hover img { transform: scale(1.04); }
@media (min-width: 1024px) { .mosaic-5 { grid-template-columns: repeat(4, 1fr); } .mosaic-5 figure:first-child { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; } }
@media (max-width: 767px) { .mosaic figure:first-child { grid-column: span 2; } }
.values { display: grid; gap: 12px; }
@media (min-width: 1024px) { .values { grid-template-columns: repeat(3, 1fr); } }
.value { padding: clamp(28px, 3vw, 44px); display: flex; flex-direction: column; gap: 20px; min-height: 460px; }
.value .big { font-family: var(--mono); font-size: 13px; color: var(--volt); }
.value .t-h2 { font-size: clamp(28px, 2.6vw, 42px); }
.value .t-body { flex: 1; }
.value-q { padding-top: 20px; border-top: 1px solid var(--line); font-weight: 600; font-size: 17px; }

/* ---------- Contact ---------- */
.ct-hero { display: grid; gap: 24px; align-items: stretch; }
@media (min-width: 1024px) { .ct-hero { grid-template-columns: 6fr 6fr; } }
.ct-hero .frame { min-height: 420px; }
.phone-card { display: grid; gap: 6px; padding: 22px 24px; border-radius: var(--r-md); border: 1px solid var(--line-2); background: var(--card); max-width: 460px; transition: border-color .3s, background-color .3s; }
.phone-card:hover { border-color: var(--volt); }
.phone-card .num-v { font-size: clamp(28px, 2.8vw, 40px); display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.phone-card .ar { color: var(--volt); font-size: 26px; }
.ct-grid { display: grid; gap: 12px; }
@media (min-width: 1024px) { .ct-grid { grid-template-columns: 4fr 8fr; } }
@media (max-width: 1023px) { .ct-grid .form-card { order: -1; } }
.ct-aside { display: flex; flex-direction: column; gap: 12px; }
.ct-info { padding: 28px; display: grid; gap: 24px; }
.ct-info dt { margin-bottom: 6px; }
.ct-info dd { font-size: 17px; font-weight: 500; }
.ct-info dd span { display: block; color: var(--fg-3); font-size: 14px; font-weight: 400; margin-top: 2px; }
.dl { display: flex; align-items: center; justify-content: space-between; padding: 22px 28px; border-radius: var(--r-lg); background: var(--card); border: 1px solid var(--line); font-weight: 600; transition: background-color .3s, color .3s, border-color .3s; }
.dl:hover { background: var(--fg); color: var(--volt-ink); border-color: var(--fg); }
.dl .ar { font-size: 18px; }
.form-card { padding: clamp(24px, 3.4vw, 52px); }
.form-alert { margin-bottom: 24px; padding: 14px 18px; border-radius: var(--r-sm); border: 1px solid var(--danger); color: var(--danger); font-weight: 500; font-size: 15px; }
.type-tabs { margin: 0 0 36px; border: 0; padding: 5px; display: grid; grid-template-columns: repeat(3, 1fr); }
.type-tab { position: relative; }
.type-tab input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.type-tab span { text-align: center; padding: 12px 8px !important; }
.type-tab input:checked + span { background: var(--fg); color: var(--volt-ink); font-weight: 600; }
.type-tab input:focus-visible + span { outline: 2px solid var(--volt); outline-offset: 2px; }
.fgrid { display: grid; gap: 22px 14px; }
@media (min-width: 768px) { .fgrid { grid-template-columns: 1fr 1fr; } .f-full { grid-column: 1 / -1; } }
.field label, .field .flabel { display: block; font-size: 13px; font-weight: 500; color: var(--fg-2); margin-bottom: 8px; }
.req { color: var(--volt); }
.field input[type="text"], .field input[type="email"], .field input[type="tel"], .field textarea {
  width: 100%; padding: 15px 16px; font-size: 16px; line-height: 1.5; color: var(--fg);
  background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--r-sm); transition: border-color .25s, box-shadow .25s;
}
.field textarea { resize: vertical; min-height: 180px; }
.field input:hover, .field textarea:hover { border-color: rgba(255, 255, 255, .28); }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--volt); box-shadow: 0 0 0 4px rgba(212, 255, 58, .12); }
.field [aria-invalid="true"] { border-color: var(--danger); }
.field-error { margin-top: 8px; font-size: 13px; color: var(--danger); }
.file { position: relative; display: flex; align-items: center; gap: 12px; padding: 8px; border: 1px dashed var(--line-2); border-radius: var(--r-sm); cursor: pointer; transition: border-color .25s; }
.file:hover, .file:focus-within { border-color: var(--volt); }
.file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.file-btn { padding: 9px 16px; border-radius: var(--r-pill); background: var(--fg); color: var(--volt-ink); font-size: 13px; font-weight: 600; }
.file-name { font-size: 14px; color: var(--fg-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.consent { margin-top: 32px; padding: 18px 20px; border-radius: var(--r-sm); background: var(--bg-2); border: 1px solid var(--line); font-size: 13px; line-height: 1.8; color: var(--fg-2); }
.consent-title { font-family: var(--mono); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--fg); margin-bottom: 6px; }
.agree { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin: 18px 0 30px; }
.agree .field-error { width: 100%; margin: 0; }
.check { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; font-size: 15px; }
.check input { appearance: none; -webkit-appearance: none; width: 22px; height: 22px; margin: 0; border-radius: 7px; border: 1px solid var(--line-2); background: var(--bg-2); display: grid; place-items: center; cursor: pointer; transition: background-color .2s, border-color .2s; }
.check input:checked { background: var(--volt); border-color: var(--volt); }
.check input:checked::after { content: ""; width: 10px; height: 6px; border-left: 2px solid var(--volt-ink); border-bottom: 2px solid var(--volt-ink); transform: rotate(-45deg) translate(1px, -1px); }
.check input[aria-invalid="true"] { border-color: var(--danger); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* ---------- Dialog ---------- */
.dialog { width: min(780px, 94vw); max-height: 86vh; padding: 0; border: 1px solid var(--line-2); border-radius: var(--r-lg); background: var(--card); color: var(--fg); box-shadow: 0 40px 120px rgba(0, 0, 0, .6); }
.dialog::backdrop { background: rgba(0, 0, 0, .72); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.dialog[open] { display: flex; flex-direction: column; }
.dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 16px 16px 28px; border-bottom: 1px solid var(--line); }
.dialog-body { padding: 28px; overflow-y: auto; }
.dialog-sm { width: min(440px, 92vw); }
.center { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 28px; padding: 48px 28px 36px; }
.center .badge { width: 64px; height: 64px; border-radius: 50%; background: var(--volt); color: var(--volt-ink); display: grid; place-items: center; font-size: 26px; }

/* ---------- Document ---------- */
.doc-page { padding-top: clamp(140px, 15vw, 200px); }
.doc-page .t-h1 { margin-bottom: 48px; }
.doc { font-size: 15px; line-height: 1.9; color: var(--fg-2); }
.doc h3 { font-size: 18px; font-weight: 600; color: var(--fg); letter-spacing: -0.015em; margin: 44px 0 12px; }
.doc p + p { margin-top: 12px; }
.doc-notice { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px 24px; margin-bottom: 36px; padding: 18px 22px; border-radius: var(--r-md); border: 1px solid var(--volt); font-size: 15px; }
.doc-history { margin-top: 72px; padding-top: 32px; border-top: 1px solid var(--line); }
.doc-history .t-h3 { margin-bottom: 16px; }
.doc-history ul { display: flex; flex-wrap: wrap; gap: 8px; }
.doc-history a { display: inline-block; padding: 10px 18px; border-radius: var(--r-pill); border: 1px solid var(--line-2); font-size: 14px; color: var(--fg-2); }
.doc-history a:hover { color: var(--fg); border-color: var(--fg); }
.doc-history a[aria-current] { background: var(--fg); color: var(--volt-ink); border-color: var(--fg); font-weight: 600; }

/* ---------- Reveal ---------- */
.js [data-reveal] { opacity: 0; transform: translateY(36px); filter: blur(10px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease), filter 1.1s var(--ease); transition-delay: var(--d, 0s); }
.js [data-reveal].is-in { opacity: 1; transform: none; filter: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js [data-reveal] { opacity: 1; transform: none; filter: none; transition: none; }
  .ticker-track, .logos { animation: none; }
  [data-zoom] img { transform: none; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
@media print { .nav, .mmenu, .video-modal, .hx-video, body::after { display: none !important; } body { background: #fff; color: #000; } }

/* ---------- 정렬 시스템: 좌측 3칼럼 레일(라벨) + 9칼럼 본문 ---------- */
.head { margin-bottom: clamp(40px, 5vw, 80px); align-items: end; }
.head .label, .grid > .c-3 > .label { margin-bottom: 0; }
@media (max-width: 1023px) { .grid > .c-3 > .label { margin-bottom: 4px; } }
.sec + .sec.sec-raise, .sec-raise + .sec-raise { padding-top: var(--sec); }
.sec-raise + .sec-sm { padding-top: clamp(64px, 7vw, 120px); }
@media (max-width: 600px) { .product-head .t-mega { white-space: normal; } }

/* ---------- 정렬 보정: 모든 가로 기준선을 콘텐츠 여백(--gutter)에 맞춤 ---------- */
.nav { width: min(var(--wrap), calc(100% - var(--gutter) * 2)); }
.hx { padding: 86px var(--gutter) var(--gutter); }
@media (max-width: 767px) { .hx { padding-inline: 12px; padding-bottom: 12px; } .nav { width: calc(100% - 24px); } }
.hx-body, .hx-top { padding-inline: clamp(20px, 2.6vw, 40px); }
/* 레일 라벨은 오른쪽 제목의 첫 줄 기준선에 맞춤 */
.grid:has(> .c-3 > .label) { align-items: baseline; }
/* 숫자 + 단위 */
.nums { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 1023px) { .nums { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .nums { grid-template-columns: 1fr; } }
.num-v { white-space: nowrap; }
.num-v small { font-size: .42em; font-weight: 500; letter-spacing: -0.02em; margin-left: .12em; color: var(--fg-2); }
.ktile:first-child .num-v small { color: rgba(10, 11, 12, .6); }
.num-v .pre { font-size: .5em; font-weight: 500; margin-right: .12em; color: var(--fg-2); }
/* 연혁: 연도는 레일(3칼럼), 목록은 본문 시작선(4번째 칼럼)에 맞춤 */
@media (min-width: 900px) {
  .tl-year { grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 12px; align-items: start; }
  .tl-year .tl-y { grid-column: span 3; }
  .tl-year .tl-list { grid-column: 4 / -1; }
}
.ct-hero { align-items: end; }
.ct-hero .phone-card { max-width: none; }
.ct-hero .frame { aspect-ratio: 4 / 3; min-height: 0; }