/* V-AUDIT redesign — tokens from designlang extraction of v-audit.ai (2026-09-24)
   Skeleton + motion: Hanwha Ocean · Component vocabulary: Orchid (glass cards, badges,
   glows, mock windows, timeline) · Base: light */

:root {
  --ink: #231F9E;
  --ink-deep: #2A2680;
  --ink-mid: #4A48A0;
  --ink-soft: #8D8AD8;
  --mono: #9A97C8;
  --mist: #D2D7F2;
  --line: #DDDFF2;
  --line-2: #E7E9F7;
  --bg: #FFFFFF;
  --bg-2: #F7F5FD;
  --bg-3: #E6EAFA;
  --eyebrow: #E0459B;
  --pink: #F49AC8;
  --peach: #FFB88A;
  --mint: #2E8F73;
  --glass: rgba(255,255,255,.55);
  --glass-2: rgba(255,255,255,.72);

  --gradient-01: linear-gradient(90deg, #A9C8F5, #7C74EC 22%, #C48FE0 44%, #F49AC8 66%, #FFB88A 88%, #FFD9B0);
  --gradient-02: linear-gradient(150deg, #FFD9B8, #F49AC8 42%, #B9A6F2 76%, #A9C8F5);
  --gradient-06: linear-gradient(130deg, #FFB88A, #F49AC8 55%, #8FE3C4);
  --gradient-accent: linear-gradient(150deg, rgba(255,211,230,.85), rgba(244,154,200,.85));
  --gradient-mesh: radial-gradient(60% 55% at 78% 18%, #FFE0C4 0%, rgba(255,224,196,0) 65%),
                   radial-gradient(62% 58% at 88% 56%, #F9BCDC 0%, rgba(249,188,220,0) 72%),
                   radial-gradient(52% 48% at 62% 88%, #CDB8F2 0%, rgba(205,184,242,0) 70%),
                   radial-gradient(46% 44% at 30% 96%, #BFD3F7 0%, rgba(191,211,247,0) 70%),
                   radial-gradient(40% 40% at 12% 20%, #CFF0E2 0%, rgba(207,240,226,0) 72%);
  --gradient-text: linear-gradient(120deg, #231F9E 0%, #7C74EC 45%, #E0459B 100%);

  --font-sans: 'Jost', 'IBM Plex Sans KR', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --canvas: 1280px;
  --gutter: 80px;
  --section: 125px;
  --radius: 20px;
  --radius-sm: 14px;
  --radius-pill: 100px;
  --ease: cubic-bezier(.16, 1, .3, 1);
  --shadow-glass: 0 1px 0 rgba(255,255,255,.8) inset, 0 20px 60px -30px rgba(35,31,158,.25);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans); font-size: 17px; line-height: 1.65;
  color: var(--ink-mid); background: var(--bg);
  word-break: keep-all; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
strong { font-weight: 500; color: var(--ink); }
svg { display: block; }
.badge svg, .q { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ── primitives ─────────────────────────────────────── */
.wrap { position: relative; width: min(var(--canvas), 100%); margin: 0 auto; padding: 0 var(--gutter); }
.section { position: relative; padding: var(--section) 0; }
.section + .section { border-top: 1px solid var(--line-2); }

h1, h2, h3 { color: var(--ink); font-weight: 300; }
h2 { font-size: clamp(34px, 3.8vw, 52px); line-height: 1.25; letter-spacing: -0.02em; max-width: 24ch; text-wrap: balance; }
h2 em { font-style: normal; color: var(--eyebrow); }
h3 { font-size: 23px; font-weight: 400; letter-spacing: -0.01em; line-height: 1.3; }
.lede { font-size: 20px; font-weight: 300; max-width: 52ch; }
.head .lede { margin-top: 24px; }
.hero__title, .story__quote, .philosophy__main, .compare__q { text-wrap: balance; }

/* Hanwha editorial head */
.head { display: grid; grid-template-columns: 220px 1fr; gap: 40px; align-items: start; margin-bottom: 72px; }
.head .chip { margin-top: 12px; }

/* Orchid pill label */
.chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px; border-radius: var(--radius-pill);
  border: 1px solid rgba(224,69,155,.35); background: rgba(255,255,255,.6);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--eyebrow); font-weight: 500; white-space: nowrap;
  width: fit-content; justify-self: start; align-self: flex-start;
}
.chip::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--eyebrow); box-shadow: 0 0 10px var(--eyebrow); }
.chip--muted { color: var(--ink-soft); border-color: rgba(141,138,216,.35); }
.chip--muted::before { background: var(--ink-soft); box-shadow: none; }

.btn {
  display: inline-flex; align-items: center; gap: 10px; height: 52px; padding: 0 28px;
  border-radius: var(--radius-pill); font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  border: 1px solid var(--ink); color: var(--ink); transition: background .3s, color .3s, transform .2s var(--ease), box-shadow .3s;
}
.btn:active { transform: scale(.98); }
.btn--solid { background: var(--ink); color: #fff; box-shadow: 0 10px 30px -12px rgba(35,31,158,.6); }
.btn--solid:hover { background: var(--ink-deep); box-shadow: 0 14px 34px -12px rgba(35,31,158,.7); }
.btn--ghost { background: var(--glass-2); }
.btn--ghost:hover { background: #fff; }

.tag { display: inline-block; padding: 5px 12px; border-radius: var(--radius-pill); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; background: var(--bg-3); color: var(--ink); }

/* glass surface (Orchid) — v-audit.ai --glass tokens */
.glass {
  background: var(--glass); border: 1px solid rgba(255,255,255,.9);
  outline: 1px solid var(--line); outline-offset: -1px;
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-radius: var(--radius); box-shadow: var(--shadow-glass);
}
.glass--dark { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.14); outline-color: rgba(255,255,255,.08); box-shadow: 0 1px 0 rgba(255,255,255,.08) inset, 0 30px 60px -40px rgba(0,0,0,.6); }

/* icon badge (gradient disc + bold line icon) */
.badge {
  display: grid; place-items: center; width: 52px; height: 52px; border-radius: 16px;
  background: var(--gradient-02); color: var(--ink);
  box-shadow: 0 10px 24px -10px rgba(224,69,155,.55), 0 0 0 1px rgba(255,255,255,.7) inset;
}
.badge svg { width: 24px; height: 24px; }
.badge--sm { width: 40px; height: 40px; border-radius: 12px; }
.badge--sm svg { width: 18px; height: 18px; }
.dark .badge { color: var(--ink-deep); }

/* glow blobs (Orchid depth) */
.glow { position: absolute; border-radius: 50%; filter: blur(70px); pointer-events: none; opacity: .55; z-index: 0; }
.has-glow, .hero, .dark, .philosophy { position: relative; overflow: hidden; }
.glow--a { width: 720px; height: 720px; left: -180px; top: -200px; background: radial-gradient(circle, #CFF0E2, #BFD3F7 50%, transparent 70%); }
.glow--b { width: 820px; height: 820px; right: -240px; top: 60px; background: radial-gradient(circle, #FFE0C4, #F9BCDC 45%, transparent 70%); }
.glow--c { width: 600px; height: 600px; right: -160px; top: 80px; background: radial-gradient(circle, #F9BCDC, #CDB8F2 50%, transparent 70%); opacity: .5; }
.glow--d { width: 900px; height: 900px; left: -300px; top: 20%; background: radial-gradient(circle, #7C74EC, #E0459B 45%, transparent 70%); opacity: .35; }
.glow--e { width: 640px; height: 640px; left: -200px; bottom: -200px; background: radial-gradient(circle, #CFF0E2, #A9C8F5 50%, transparent 70%); opacity: .45; }
.glow--f { width: 700px; height: 700px; right: -220px; top: -120px; background: radial-gradient(circle, #FFD9B0, #F49AC8 50%, transparent 70%); opacity: .45; }

/* mock window (Orchid product frame) */
.window { border-radius: var(--radius); overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: 0 40px 80px -40px rgba(35,31,158,.35), 0 0 0 1px rgba(255,255,255,.7) inset; }
.window__bar { display: flex; align-items: center; gap: 6px; height: 40px; padding: 0 16px; border-bottom: 1px solid var(--line-2); background: var(--bg-2); }
.window__bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--mist); }
.window__bar span { margin-left: 10px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em; color: var(--mono); }
.window--dark { background: rgba(16,21,79,.7); border-color: rgba(255,255,255,.14); box-shadow: 0 40px 80px -30px rgba(0,0,0,.6); }
.window--dark .window__bar { background: rgba(255,255,255,.05); border-color: rgba(255,255,255,.1); }
.window--dark .window__bar i { background: rgba(255,255,255,.2); }
.window--dark .window__bar span { color: var(--ink-soft); }
.window.is-lit { box-shadow: 0 0 0 1px rgba(244,154,200,.4), 0 0 80px -10px rgba(224,69,155,.5), 0 40px 80px -30px rgba(0,0,0,.6); }

/* image placeholder — 워니가 채움 */
.ph { position: relative; background: var(--bg-3); display: grid; place-items: center; aspect-ratio: 16 / 9; }
.ph::before { content: ''; position: absolute; inset: 0; background: var(--gradient-mesh); opacity: .45; }
.ph span { position: relative; font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-mid); text-align: center; line-height: 1.8; padding: 20px; }
.ph span small { display: block; opacity: .6; letter-spacing: .06em; text-transform: none; }
.ph--tall { aspect-ratio: 4 / 5; }
.ph--portrait { aspect-ratio: 3 / 4; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); margin-top: 40px; max-width: 420px; box-shadow: var(--shadow-glass); }

/* big quote mark */
.q { width: 40px; height: 40px; color: var(--pink); margin-bottom: 8px; }

/* ── nav ─────────────────────────────────────────────── */
.nav { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.72); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line-2); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { font-family: var(--font-mono); font-size: 14px; letter-spacing: .28em; color: var(--ink); font-weight: 500; }
.nav__links { display: flex; gap: 36px; }
.nav__links a { font-family: var(--font-mono); font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink-mid); transition: color .3s; }
.nav__links a:hover { color: var(--eyebrow); }
.nav .btn { height: 40px; padding: 0 20px; box-shadow: none; }

/* ── 1 hero ──────────────────────────────────────────── */
.hero { padding: 120px 0 0; }
.hero::before { content: ''; position: absolute; inset: -20% -10% auto; height: 120%; background: var(--gradient-mesh); opacity: .5; pointer-events: none; animation: drift 28s ease-in-out infinite alternate; }
@keyframes drift { to { transform: translate3d(-3%, 2%, 0) scale(1.04); } }
.hero__stage { position: relative; min-height: 100vh; display: flex; flex-direction: column; justify-content: center; z-index: 1; }
.hero__title { font-size: clamp(44px, 7.4vw, 108px); line-height: 1.18; letter-spacing: -0.03em; font-weight: 300; max-width: 17ch; margin: 28px 0 0; will-change: transform; transform-origin: left top; }
.hero__title strong { font-weight: 400; background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero__sub { margin-top: 36px; font-size: 21px; font-weight: 300; max-width: 46ch; }
.hero__cta { margin-top: 44px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero__media { position: relative; z-index: 2; margin-left: auto; width: min(1040px, 100%); will-change: transform; border-radius: var(--radius) var(--radius) 0 0; border-bottom: 0; }

/* ── 2 numbers ──────────────────────────────────────── */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { padding: 36px 32px 40px; }
.stat__n { font-size: 72px; font-weight: 200; letter-spacing: -0.035em; line-height: 1; background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.stat__n em { font-style: normal; }
.stat__l { margin-top: 16px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--mono); }

/* ── 3 problem ──────────────────────────────────────── */
.quote-band { display: block; margin: -24px 0 64px 260px; font-size: 24px; font-weight: 300; color: var(--ink); max-width: 44ch; }
.cards-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { position: relative; padding: 36px 32px 40px; overflow: hidden; transition: transform .5s var(--ease), box-shadow .5s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 1px 0 rgba(255,255,255,.8) inset, 0 30px 70px -30px rgba(224,69,155,.35); }
.card .badge { margin-bottom: 26px; }
.card__n { position: absolute; top: 34px; right: 30px; font-family: var(--font-mono); font-size: 12px; color: var(--eyebrow); }
.card h3 { margin-bottom: 12px; }
.card p { font-weight: 300; font-size: 16px; }

/* ── 4-6 dark block ─────────────────────────────────── */
.dark { background: linear-gradient(180deg, #1B1877 0%, var(--ink) 40%, #1B1877 100%); color: var(--mist); }
.dark h2, .dark h3, .dark strong { color: #fff; }
.dark .lede { color: var(--mist); }
.dark .section + .section { border-top-color: rgba(255,255,255,.12); }
.dark .chip { background: rgba(255,255,255,.06); border-color: rgba(244,154,200,.4); color: var(--pink); }
.dark .chip::before { background: var(--pink); box-shadow: 0 0 10px var(--pink); }
.dark .chip--muted { color: var(--ink-soft); border-color: rgba(141,138,216,.35); }
.dark .chip--muted::before { background: var(--ink-soft); box-shadow: none; }
.dark .ph span { color: var(--ink-mid); }

.compare { display: grid; grid-template-columns: 1fr 64px 1fr; align-items: start; }
.compare__col.is-old { opacity: .6; }
.compare__col .window { margin-bottom: 28px; }
.compare__q { font-size: 32px; font-weight: 300; letter-spacing: -0.02em; color: #fff; margin: 16px 0 12px; }
.compare__arrow { display: grid; place-items: center; font-size: 28px; color: var(--pink); padding-top: 120px; }
.mock { padding: 22px 20px; display: grid; gap: 14px; }
.mock__row { display: grid; grid-template-columns: 96px 1fr 44px; align-items: center; gap: 12px; font-family: var(--font-mono); font-size: 11px; color: var(--ink-soft); }
.mock__bar { height: 6px; border-radius: 3px; background: rgba(255,255,255,.08); position: relative; overflow: hidden; }
.mock__bar::after { content: ''; position: absolute; inset: 0; width: var(--w); background: var(--ink-soft); border-radius: 3px; }
.mock__v { text-align: right; color: var(--mist); }
.mock--trace { gap: 10px; }
.trace { display: grid; grid-template-columns: 12px 78px 1fr; align-items: center; gap: 12px; font-size: 13px; color: #fff; padding: 8px 10px; border-radius: 10px; background: rgba(255,255,255,.04); }
.trace__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ink-soft); }
.trace__dot.is-hot { background: var(--eyebrow); box-shadow: 0 0 12px var(--eyebrow); }
.trace__k { font-family: var(--font-mono); font-size: 10px; letter-spacing: .12em; color: var(--pink); }

.depth { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.depth__cell { padding: 28px 22px 30px; }
.depth__cell.is-hot { border-color: rgba(244,154,200,.5); box-shadow: 0 0 60px -20px rgba(224,69,155,.6); }
.depth__n { font-size: 52px; font-weight: 200; letter-spacing: -0.03em; line-height: 1; color: #fff; font-variant-numeric: tabular-nums; }
.depth__cell.is-hot .depth__n { background: var(--gradient-02); -webkit-background-clip: text; background-clip: text; color: transparent; }
.depth__l { margin-top: 12px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); line-height: 1.6; }

/* timeline (Orchid connected nodes) */
.timeline { position: relative; }
.timeline__line { position: absolute; left: 25px; top: 40px; bottom: 40px; width: 2px; background: rgba(255,255,255,.12); transform-origin: top; }
.timeline__line::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, var(--pink), var(--peach)); transform: scaleY(var(--p, 0)); transform-origin: top; }
.tracks { display: grid; grid-template-columns: 1fr 440px; gap: 80px; align-items: start; }
.track { display: grid; grid-template-columns: 52px 88px 1fr; gap: 24px; align-items: center; padding: 22px 0; }
.track__code { font-size: 32px; font-weight: 300; letter-spacing: -0.02em; color: #fff; line-height: 1; }
.track__name { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.track__desc { margin-top: 6px; font-weight: 300; }
.tracks .window { position: sticky; top: 96px; }

/* ── 7 validation ───────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.timeline--row .timeline__line { left: 60px; right: 60px; top: 62px; bottom: auto; width: auto; height: 2px; background: var(--line); transform-origin: left; }
.timeline--row .timeline__line::after { transform: scaleX(var(--p, 0)); transform-origin: left; background: linear-gradient(90deg, var(--ink), var(--eyebrow)); }
.step { position: relative; padding: 36px 28px 36px; }
.step .badge { margin-bottom: 26px; }
.step__n { font-size: 56px; font-weight: 200; letter-spacing: -0.03em; line-height: 1; color: var(--ink); font-variant-numeric: tabular-nums; }
.step__n small { font-size: 16px; font-weight: 300; margin-left: 8px; color: var(--mono); }
.step__l { margin-top: 12px; font-weight: 300; }

/* ── 8 for who ──────────────────────────────────────── */
.who { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.who__card { padding: 40px 40px 44px; }
.who__card::before { content: ''; position: absolute; inset: 0; background: var(--gradient-accent); opacity: 0; transition: opacity .5s; }
.who__card:hover::before { opacity: .6; }
.who__card > * { position: relative; }
.who__card .badge { margin-bottom: 22px; }
.who__card .tag { margin-bottom: 14px; }
.who__card h3 { margin-bottom: 12px; }
.who__card p { font-weight: 400; }

/* ── 9 story ────────────────────────────────────────── */
.story { display: grid; grid-template-columns: 220px 1fr 600px; gap: 40px; align-items: start; }
.story__quote { font-size: clamp(28px, 3vw, 40px); text-wrap: pretty; font-weight: 300; line-height: 1.15; letter-spacing: -0.025em; color: var(--ink); }
.story__body p + p { margin-top: 22px; }
.story__body p { font-weight: 300; }
.story__mark { margin-top: 44px; padding: 24px 28px; }
.story__mark strong { font-family: var(--font-mono); font-size: 12px; letter-spacing: .16em; }
.story__mark p { margin-top: 6px; font-size: 15px; color: var(--mono); }

/* ── 10 philosophy + trust ──────────────────────────── */
.philosophy::before { content: ''; position: absolute; inset: 0; background: var(--gradient-02); opacity: .28; }
.philosophy__main { font-size: clamp(36px, 4.6vw, 64px); font-weight: 300; line-height: 1.1; letter-spacing: -0.03em; color: var(--ink); max-width: 16ch; margin-top: 20px; }
.philosophy__main em { font-style: normal; color: var(--eyebrow); }
.philosophy__sub { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 56px; }
.quote { padding: 32px 36px 36px; }
.quote p { font-size: 20px; font-weight: 300; color: var(--ink); }

.rail { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 12px; margin: 0 calc(-1 * var(--gutter)); padding-left: var(--gutter); padding-right: var(--gutter); scrollbar-width: none; }
.rail::-webkit-scrollbar { display: none; }
.rail__card { flex: 0 0 420px; scroll-snap-align: start; overflow: hidden; }
.rail__card .ph { aspect-ratio: 3 / 2; border-bottom: 1px solid var(--line); }
.rail__body { position: relative; padding: 28px 30px 32px; }
.rail__body .badge--sm { position: absolute; right: 24px; top: -20px; }
.rail__body .tag { margin-bottom: 12px; }
.rail__body h3 { margin: 0 0 10px; font-size: 21px; }
.rail__body p { font-weight: 300; font-size: 16px; }
.rail__hint { margin-top: 20px; font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--mono); text-transform: uppercase; }
.trust--pinned .rail { overflow: visible; scroll-snap-type: none; }
.trust--pinned .rail__card { flex-basis: 480px; }
.trust--pinned .rail__hint { display: none; }

/* ── 11 contact ─────────────────────────────────────── */
.contact { display: grid; grid-template-columns: 1fr 560px; gap: 80px; align-items: start; }
.contact h2 { margin-top: 20px; }
.contact__mail { display: inline-block; margin-top: 28px; font-family: var(--font-mono); font-size: 14px; color: var(--ink); border-bottom: 1px solid var(--ink); }
.form { padding: 40px; }
.form label { display: block; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); margin-bottom: 8px; }
.form .field + .field { margin-top: 24px; }
.form input, .form textarea { width: 100%; font: inherit; font-size: 16px; color: var(--ink); border: 0; border-bottom: 1px solid var(--line); padding: 10px 0; background: transparent; outline: none; transition: border-color .3s; }
.form input:focus, .form textarea:focus { border-color: var(--ink); }
.form textarea { min-height: 96px; resize: vertical; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chipbox { cursor: pointer; }
.chipbox input { display: none; }
.chipbox span { display: inline-block; padding: 8px 14px; border: 1px solid var(--line); border-radius: var(--radius-pill); font-size: 14px; color: var(--ink-mid); background: #fff; transition: all .3s; }
.chipbox input:checked + span { background: var(--ink); color: #fff; border-color: var(--ink); }
.form .btn { width: 100%; justify-content: center; margin-top: 32px; }

/* ── footer ─────────────────────────────────────────── */
.footer { border-top: 1px solid var(--ink); padding: 56px 0 64px; }
.footer .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: end; }
.footer__meta { font-size: 13px; color: var(--mono); line-height: 1.8; margin-top: 16px; }
.footer__right { text-align: right; font-family: var(--font-mono); font-size: 12px; color: var(--ink-mid); line-height: 2; }

/* ── 컨펌 반영 (26.09.24) ─────────────────────────── */
.h2--lines { max-width: none; text-wrap: initial; }
.nowrap { white-space: nowrap; }
@media (max-width: 900px) { .nowrap { white-space: normal; } }
.dark .lede, .compare__col > p { font-weight: 400; color: #E4E6FA; }
.depth__cell { background: rgba(255,255,255,.09); }
.depth__l { color: #fff; font-size: 13px; letter-spacing: .06em; font-weight: 500; }
.compare__col.is-old { opacity: .82; }
.track__name { color: var(--pink); font-size: 11.5px; }
.track__desc { font-weight: 400; color: #fff; }
.story__mark p { color: var(--ink-mid); font-size: 16px; font-weight: 400; }
.stat__n { font-size: 64px; white-space: nowrap; }
.stat__l { color: var(--ink); font-size: 13px; font-weight: 500; letter-spacing: .06em; }
.step__l { font-weight: 400; color: var(--ink); }
.step__n small { color: var(--ink-mid); font-weight: 400; }

/* ── motion hooks ───────────────────────────────────── */
.head .chip, .head > div, .head > h2 { will-change: transform; }
@media (prefers-reduced-motion: reduce) { .hero::before { animation: none; } }

/* ── responsive ─────────────────────────────────────── */
@media (max-width: 1100px) {
  :root { --gutter: 48px; --section: 96px; }
  .tracks { grid-template-columns: 1fr; }
  .tracks .window { position: static; }
  .tracks .ph--tall { aspect-ratio: 16 / 10; }
  .story { grid-template-columns: 1fr; }
  .ph--portrait { display: none; }
  .contact { grid-template-columns: 1fr; gap: 48px; }
  .depth { grid-template-columns: repeat(3, 1fr); }
  .cards-3 { grid-template-columns: 1fr; }
  .stats, .steps { grid-template-columns: 1fr 1fr; }
  .timeline--row .timeline__line { display: none; }
}
@media (max-width: 768px) {
  :root { --gutter: 20px; --section: 72px; }
  body { font-size: 16px; }
  .nav__links { display: none; }
  .head { grid-template-columns: 1fr; gap: 16px; margin-bottom: 44px; }
  .head .chip { margin-top: 0; }
  .quote-band { margin-left: 0; font-size: 20px; }
  .hero { padding-top: 48px; }
  .hero__stage { min-height: auto; padding-top: 24px; }
  .hero__title { font-size: clamp(42px, 12vw, 64px); }
  .hero__media { margin-top: 56px; }
  .stats, .steps { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat { padding: 24px 18px 26px; }
  .stat__n { font-size: 40px; }
  .stat__l { font-size: 11.5px; }
  .step { padding: 22px 18px 24px; }
  .step .badge { width: 40px; height: 40px; border-radius: 12px; margin-bottom: 16px; }
  .step .badge svg { width: 18px; height: 18px; }
  .step__n { font-size: 40px; }
  .step__n small { font-size: 13px; }
  .compare { grid-template-columns: 1fr; }
  .compare__arrow { transform: rotate(90deg); padding: 8px 0; }
  .depth { grid-template-columns: 1fr 1fr; gap: 12px; }
  .depth__n { font-size: 40px; }
  .track { grid-template-columns: 52px 1fr; gap: 16px; }
  .track__code { grid-column: 2; }
  .track > div:last-child { grid-column: 2; }
  .who { grid-template-columns: 1fr; }
  .who__card, .card { padding: 32px 24px; }
  .philosophy__sub { grid-template-columns: 1fr; }
  .rail__card { flex-basis: 84vw; }
  .form { padding: 28px 22px; }
  .footer .wrap { grid-template-columns: 1fr; }
  .footer__right { text-align: left; }
  .glow { filter: blur(50px); opacity: .4; }
}

/* ── research.html ──────────────────────────────────── */
.page-head { padding-top: 96px; }
.page-head .head { margin-bottom: 0; }
.list { display: grid; gap: 16px; }
.list__item { padding: 28px 32px 30px; }
.list__item h3 { margin: 10px 0 8px; }
.list__item h3 a { border-bottom: 1px solid var(--line); transition: border-color .3s; }
.list__item h3 a:hover { border-color: var(--ink); }
.list__item p { font-weight: 400; font-size: 16px; }
.list__date { font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; color: var(--mono); }
.list__empty { font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; color: var(--mono); padding: 24px 0; border-top: 1px solid var(--line); }

/* ── TRUST 카드 로고 (아이콘 자리 교체) ─────────────── */
.logo-chip { position: absolute; right: 24px; top: -24px; height: 48px; width: 48px; padding: 8px; border-radius: 12px; background: #fff; border: 1px solid var(--line); box-shadow: 0 10px 24px -12px rgba(35,31,158,.35); display: grid; place-items: center; }
.logo-chip img { width: 100%; height: 100%; object-fit: contain; display: block; }
.logo-chip--wide { width: 150px; padding: 8px 12px; }

/* ── research: Working Papers ───────────────────────── */
.glow--g { width: 760px; height: 760px; left: -260px; bottom: -420px; background: radial-gradient(circle, #FFE7CC, #FFD9B0 45%, #FFB88A 62%, transparent 72%); opacity: .5; }
.papers { display: grid; gap: 20px; }
.paper { padding: 36px 40px 36px; }
.paper__meta { display: flex; gap: 16px; align-items: center; font-family: var(--font-mono); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: var(--mono); margin-bottom: 14px; }
.paper__n { color: var(--eyebrow); }
.paper h3 { font-size: 28px; font-weight: 400; letter-spacing: -0.015em; }
.paper h3 a { transition: color .3s; }
.paper h3 a:hover { color: var(--eyebrow); }
.paper__sub { margin-top: 6px; font-size: 17px; color: var(--ink-mid); font-weight: 400; }
.paper__body { margin-top: 16px; max-width: 70ch; font-weight: 400; }
.paper__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.paper__links { display: flex; gap: 24px; align-items: center; margin-top: 24px; padding-top: 18px; border-top: 1px solid var(--line); font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; }
.paper__read { color: var(--ink); border-bottom: 1px solid var(--ink); }
.paper__src { color: var(--mono); }
.paper__src:hover { color: var(--ink); }
.source { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; padding: 28px 32px; }
.source dt { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--mono); margin-bottom: 6px; }
.source dd { font-family: var(--font-mono); font-size: 13px; color: var(--ink); }
@media (max-width: 768px) { .paper { padding: 28px 22px; } .paper h3 { font-size: 22px; } .source { grid-template-columns: 1fr; } }

/* ── research CTA band (메인, 문의 위) ─────────────── */
.research-cta { padding-top: 0; }
.cta { position: relative; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; padding: 44px 48px; overflow: hidden; }
.cta__glow { position: absolute; right: -120px; top: -160px; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, #FFD9B0, #F49AC8 50%, transparent 70%); filter: blur(50px); opacity: .55; pointer-events: none; }
.cta__text { position: relative; }
.cta__text h3 { margin: 14px 0 8px; font-size: 26px; }
.cta__text p:last-child { font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; color: var(--ink-mid); }
.cta .btn { position: relative; }
@media (max-width: 768px) { .cta { grid-template-columns: 1fr; padding: 28px 22px; gap: 20px; } .cta__text h3 { font-size: 21px; } .cta .btn { width: auto; justify-self: end; } }

/* ── 가독성 보강 (26.09.24 컨펌: 작은 글자 전부 진하게) ── */
.nav__links a { color: var(--ink); font-size: 12px; font-weight: 500; }
.chip { font-size: 11.5px; font-weight: 600; background: rgba(255,255,255,.85); }
.chip--muted, .dark .chip--muted { color: #C9C6F5; border-color: rgba(201,198,245,.5); }
.dark .chip { background: rgba(255,255,255,.1); }
.window__bar span { font-size: 12px; font-weight: 500; color: var(--ink-mid); }
.window--dark .window__bar span { color: #C9C6F5; }
.mock__row { font-size: 12.5px; color: #E4E6FA; }
.mock__v { color: #fff; font-weight: 500; }
.mock__bar { background: rgba(255,255,255,.14); }
.mock__bar::after { background: #C9C6F5; }
.trace { font-size: 14px; background: rgba(255,255,255,.07); }
.trace__k { font-size: 11px; font-weight: 500; }
.compare__col.is-old { opacity: .92; }
.cta__text p:last-child { font-size: 13px; font-weight: 500; color: var(--ink); }
.tag { font-weight: 600; }
.paper__meta, .list__date, .source dt { color: var(--ink-mid); font-weight: 500; }
.paper__src { color: var(--ink-mid); }
.rail__hint, .footer__meta { color: var(--ink-mid); }
.stat__l, .depth__l { font-weight: 600; }
.btn { font-size: 13px; font-weight: 500; letter-spacing: .06em; }
.btn--solid { color: #fff; }
.nav .btn { font-size: 12.5px; }
/* 버튼: 한글이 모노 서체로 빠져 얇게 보임 → 본문 서체 500으로 */
.btn { font-family: var(--font-sans); font-size: 15px; font-weight: 500; letter-spacing: .02em; text-transform: none; }
.nav .btn { font-size: 14px; }

.ph--img::before { display: none; }
.ph--img img { width: 100%; height: 100%; object-fit: cover; display: block; }

.ph--img video { width: 100%; height: 100%; object-fit: cover; display: block; }

/* ── 히어로: 창 틀 없이 페이지가 올라오듯 ───────────── */
.hero__media { border-radius: var(--radius) var(--radius) 0 0; border: 1px solid var(--line); border-bottom: 0; box-shadow: 0 -30px 80px -40px rgba(35,31,158,.35); aspect-ratio: 16 / 9; }

/* ── nav tools: 언어 · 테마 ─────────────────────────── */
.nav__tools { display: flex; align-items: center; gap: 14px; }
.lang { font-family: var(--font-mono); font-size: 12px; font-weight: 500; letter-spacing: .16em; color: var(--ink); padding: 6px 10px; border: 1px solid var(--line); border-radius: var(--radius-pill); }
.lang:hover { border-color: var(--ink); }
.theme { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--line); background: var(--glass-2); color: var(--ink); cursor: pointer; display: grid; place-items: center; font-size: 15px; line-height: 1; }
.theme:hover { border-color: var(--ink); }
.theme__moon { display: none; }
[data-theme="dark"] .theme__sun { display: none; }
[data-theme="dark"] .theme__moon { display: block; }

/* ── 다크 모드 ──────────────────────────────────────── */
:root { --btn-bg: var(--ink); --btn-fg: #fff; }
.btn--solid { background: var(--btn-bg); color: var(--btn-fg); }
.btn--solid:hover { background: var(--btn-bg); filter: brightness(1.08); }
[data-theme="dark"] {
  --bg: #0E1140; --bg-2: #141856; --bg-3: #1B2066;
  --ink: #FFFFFF; --ink-deep: #E4E6FA; --ink-mid: #C9C6F5; --ink-soft: #9A97D8; --mono: #9A97C8; --mist: #D2D7F2;
  --line: rgba(255,255,255,.16); --line-2: rgba(255,255,255,.1);
  --glass: rgba(255,255,255,.06); --glass-2: rgba(255,255,255,.1);
  --shadow-glass: 0 1px 0 rgba(255,255,255,.08) inset, 0 30px 60px -40px rgba(0,0,0,.7);
  --gradient-text: linear-gradient(120deg, #FFFFFF 0%, #C9C6F5 40%, #F49AC8 100%);
  --btn-bg: #FFFFFF; --btn-fg: #231F9E;
  color-scheme: dark;
}
[data-theme="dark"] body { background: var(--bg); }
[data-theme="dark"] .nav { background: rgba(14,17,64,.72); }
[data-theme="dark"] .glass { border-color: rgba(255,255,255,.12); outline-color: rgba(255,255,255,.06); }
[data-theme="dark"] .chip { background: rgba(255,255,255,.08); }
[data-theme="dark"] .window { background: var(--bg-2); border-color: var(--line); box-shadow: 0 40px 80px -40px rgba(0,0,0,.7); }
[data-theme="dark"] .window__bar { background: rgba(255,255,255,.05); }
[data-theme="dark"] .chipbox span { background: var(--bg-2); }
[data-theme="dark"] .hero::before { opacity: .22; }
[data-theme="dark"] .glow { opacity: .28; }
[data-theme="dark"] .philosophy::before { opacity: .16; }
[data-theme="dark"] .ph { background: var(--bg-3); }
[data-theme="dark"] .ph::before { opacity: .2; }
[data-theme="dark"] .dark { background: linear-gradient(180deg, #0B0D33 0%, #1B1877 45%, #0B0D33 100%); }
[data-theme="dark"] .section + .section { border-top-color: var(--line-2); }
[data-theme="dark"] .footer { border-top-color: var(--line); }
[data-theme="dark"] .hero__media { box-shadow: 0 -30px 80px -40px rgba(0,0,0,.8); }
[data-theme="dark"] .paper__meta, [data-theme="dark"] .source dt { color: var(--ink-mid); }
[data-theme="dark"] .form input, [data-theme="dark"] .form textarea { color: #fff; }
[data-theme="dark"] .form input::placeholder, [data-theme="dark"] .form textarea::placeholder { color: var(--ink-soft); }
[data-theme="dark"] .who__card:hover::before { opacity: .25; }
[data-theme="dark"] .card:hover { box-shadow: 0 1px 0 rgba(255,255,255,.08) inset, 0 30px 70px -30px rgba(224,69,155,.35); }
[data-theme="dark"] .logo-chip { background: #fff; }

/* ── 트랙 사진: 창 틀 없이, 목록 높이에 맞춤 ─────────── */
.tracks { align-items: stretch; }
.tracks__img { aspect-ratio: auto; height: 100%; min-height: 0; border-radius: var(--radius); border: 1px solid rgba(255,255,255,.14); overflow: hidden; box-shadow: 0 40px 80px -30px rgba(0,0,0,.6); }
.tracks__img img { width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 1100px) { .tracks__img { aspect-ratio: 16 / 10; height: auto; } }

/* ── 다크 모드: 단색 → 그라데이션 깊이 ──────────────── */
[data-theme="dark"] body {
  background:
    radial-gradient(70% 50% at 85% 0%, rgba(224,69,155,.22) 0%, rgba(224,69,155,0) 60%),
    radial-gradient(60% 45% at 0% 30%, rgba(124,116,236,.28) 0%, rgba(124,116,236,0) 60%),
    radial-gradient(55% 40% at 100% 70%, rgba(255,184,138,.14) 0%, rgba(255,184,138,0) 60%),
    radial-gradient(60% 45% at 10% 100%, rgba(143,227,196,.12) 0%, rgba(143,227,196,0) 60%),
    linear-gradient(180deg, #0B0D33 0%, #0E1140 40%, #141856 100%);
  background-attachment: fixed;
}
[data-theme="dark"] .hero::before { opacity: .42; background: radial-gradient(60% 55% at 78% 18%, rgba(255,184,138,.5) 0%, transparent 65%), radial-gradient(62% 58% at 88% 56%, rgba(224,69,155,.45) 0%, transparent 72%), radial-gradient(52% 48% at 62% 88%, rgba(124,116,236,.55) 0%, transparent 70%), radial-gradient(46% 44% at 30% 96%, rgba(169,200,245,.35) 0%, transparent 70%), radial-gradient(40% 40% at 12% 20%, rgba(143,227,196,.3) 0%, transparent 72%); }
[data-theme="dark"] .glow { opacity: .5; filter: blur(90px); }
[data-theme="dark"] .philosophy::before { opacity: .32; }
[data-theme="dark"] .section { background: linear-gradient(180deg, rgba(255,255,255,0) 0%, rgba(124,116,236,.05) 100%); }
[data-theme="dark"] .glass { background: linear-gradient(160deg, rgba(255,255,255,.09), rgba(255,255,255,.04)); }
[data-theme="dark"] .stat, [data-theme="dark"] .step, [data-theme="dark"] .card { background: linear-gradient(160deg, rgba(124,116,236,.16), rgba(224,69,155,.06) 60%, rgba(255,255,255,.03)); }
[data-theme="dark"] .cta__glow { opacity: .7; }
[data-theme="dark"] .form { background: linear-gradient(160deg, rgba(124,116,236,.14), rgba(255,255,255,.03)); }
[data-theme="dark"] .footer { background: linear-gradient(180deg, transparent, rgba(224,69,155,.08)); }
.tracks__img { position: relative; }
.tracks__img img { position: absolute; inset: 0; }
@media (max-width: 1100px) { .tracks__img img { position: static; } }
[data-theme="dark"] body { background-attachment: scroll; }
[data-theme="dark"] html { background: #0E1140; }

/* ── 히어로 영상: 화면 폭 전체(full-bleed), 폰에서는 비율대로 축소 ── */
.hero__media { width: 100vw; max-width: 100vw; margin-left: calc(50% - 50vw); margin-right: 0; border-radius: 0; border: 0; box-shadow: none; aspect-ratio: 16 / 9; background: #fbfbfb; }
.hero__media video { object-fit: cover; }
[data-theme="dark"] .hero__media { background: #151a20; box-shadow: none; }
@media (max-width: 768px) { .hero__media { margin-top: 40px; } }
@media (max-width: 900px) { .head { grid-template-columns: 1fr; } .h2--lines .nowrap, .nowrap { white-space: normal; } .h2--lines { text-wrap: balance; } }
html { overflow-x: hidden; }

/* ── nav: Research는 핑크, 호버는 하늘색(모드별) ───── */
:root { --sky: #1E8FD5; }
[data-theme="dark"] { --sky: #8FD3FF; }
.nav__links a[href*="research"] { color: var(--eyebrow); }
.nav__links a:hover, .nav__links a[href*="research"]:hover { color: var(--sky); }

/* ── 스토리 사진: 위쪽 가장자리를 흐리게 풀고, 뒤에 겹치는 글자는 블러 ── */
.ph--portrait { position: relative; z-index: 2; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0, rgba(0,0,0,.35) 60px, #000 150px); mask-image: linear-gradient(to bottom, rgba(0,0,0,0) 0, rgba(0,0,0,.35) 60px, #000 150px); }
.trace > span:last-child { font-weight: 500; }
.trace__k { font-weight: 600; }