/* =========================================================
   NITRO MUSIC — styles.css
   Base: Black + Red (#E63946), Pretendard + Space Grotesk
   ========================================================= */

@font-face {
  font-family: 'Pretendard';
  font-weight: 45 920;
  font-style: normal;
  font-display: swap;
  src: url('fonts/PretendardVariable.ttf') format('truetype-variations'),
       url('fonts/PretendardVariable.ttf') format('truetype');
}
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0a0a0b;
  --bg-1: #111113;
  --bg-2: #17171a;
  --bg-3: #1f1f23;
  --line: rgba(255,255,255,0.08);
  --line-strong: rgba(255,255,255,0.16);
  --text: #f5f5f7;
  --text-dim: #a8a8ae;
  --text-mute: #6b6b72;
  --red: #E63946;
  --red-deep: #b02834;
  --red-soft: #ff5c6a;
  --red-tint: rgba(230,57,70,0.12);
  --red-line: rgba(230,57,70,0.35);
  --radius: 4px;
  --radius-lg: 12px;
  --maxw: 1480px;
  --site-min: 1280px;
  --pad: 60px;
  --font-kr: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Pretendard', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--text); font-family: var(--font-kr); -webkit-font-smoothing: antialiased; }
body { overflow-x: auto; line-height: 1.55; font-size: 15px; letter-spacing: -0.005em; min-width: var(--site-min); }

/* =============== LAYOUT BASE =============== */
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img { display: block; max-width: 100%; }
::selection { background: var(--red); color: white; }

/* =============== TOP NAV =============== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  /* nav 내용이 maxw(1480) 컨테이너 안에 정렬되도록 좌우 패딩 = max(기본 pad, (100vw - maxw)/2 + pad) */
  padding: 18px max(var(--pad), calc((100vw - var(--maxw)) / 2 + var(--pad)));
  background: rgba(10,10,11,0.72);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.nav.scrolled { border-bottom-color: var(--line); background: rgba(10,10,11,0.88); }
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 20px;
  letter-spacing: 0.02em;
}
.nav-logo img { height: 48px; width: auto; display: block;}
.nav-logo-mark {
  width: 28px; height: 28px; display: grid; place-items: center;
  border: 1.5px solid var(--text); border-radius: 2px;
  position: relative;
}
.nav-logo-mark::before, .nav-logo-mark::after {
  content: ''; position: absolute; background: var(--text);
}
.nav-logo-mark::before {
  width: 2px; height: 14px; transform: rotate(20deg); left: 50%; top: 50%; margin-left: -1px; margin-top: -7px;
  background: var(--red);
}
.nav-logo .sub { font-size: 10px; letter-spacing: 0.2em; color: var(--text-dim); margin-left: 2px; font-weight: 500;}
.nav-links { display: flex; align-items: center; gap: 56px; }
.nav-links a {
  font-size: 22px; color: var(--text-dim); font-weight: 400;
  letter-spacing: -0.015em;
  position: relative; padding: 6px 0; transition: color .18s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a.active { color: var(--text); }
.nav-links a.active::after {
  content:''; position:absolute; left:0; right:0; bottom:-2px;
  height: 2px; background: var(--red);
}
.nav-right { display:flex; align-items:center; gap: 14px; }
.lang-toggle {
  display: inline-flex; border: 1px solid var(--line-strong); border-radius: 999px;
  overflow: hidden; font-size: 11px; font-weight: 600; letter-spacing: 0.05em;
}
.lang-toggle button { padding: 6px 12px; color: var(--text-mute); }
.lang-toggle button.on { background: var(--text); color: #000; }
.btn-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px; background: var(--red); color: white;
  border-radius: 999px; font-size: 13px; font-weight: 600;
  letter-spacing: -0.005em;
  transition: transform .15s, background .2s, box-shadow .2s;
  box-shadow: 0 4px 14px -4px rgba(230,57,70,.6), 0 0 22px rgba(230,57,70,0.35);
  animation: cta-glow 2.8s ease-in-out infinite;
}
@keyframes cta-glow {
  0%, 100% { box-shadow: 0 4px 14px -4px rgba(230,57,70,.6), 0 0 18px rgba(230,57,70,0.28); }
  50%      { box-shadow: 0 4px 14px -4px rgba(230,57,70,.6), 0 0 28px rgba(230,57,70,0.55); }
}
.btn-cta:hover { background: var(--red-soft); transform: translateY(-1px); animation: none; box-shadow: 0 6px 18px -4px rgba(230,57,70,.7), 0 0 32px rgba(230,57,70,0.6); }
.btn-cta .arrow { transition: transform .2s; }
.btn-cta:hover .arrow { transform: translateX(3px); }

/* Section indicator (dots on right) */
.section-indicator {
  position: fixed; right: 22px; top: 50%; transform: translateY(-50%);
  display: flex; flex-direction: column; gap: 10px; z-index: 60;
}
.section-indicator a {
  width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.15);
  display: block; transition: all .2s; position: relative;
}
.section-indicator a:hover { background: rgba(255,255,255,0.4); }
.section-indicator a.active { background: var(--red); box-shadow: 0 0 0 4px rgba(230,57,70,0.15);}
.section-indicator a::after {
  content: attr(data-label); position: absolute; right: 20px; top: 50%; transform: translateY(-50%);
  background: var(--bg-2); color: var(--text); padding: 4px 10px; border-radius: 4px;
  font-size: 11px; white-space: nowrap; opacity: 0; pointer-events: none;
  letter-spacing: 0.05em; font-weight: 500;
  transition: opacity .15s;
}
.section-indicator a:hover::after { opacity: 1; }

/* =============== GLOBAL LAYOUT =============== */
section { padding: 120px var(--pad); position: relative; }
/* 섹션 헤드: 컨테이너는 maxw(1480) 중앙 정렬, 내부 텍스트는 920 폭에서 좌측 정렬.
   와이드 모니터(예: 34인치 울트라와이드)에서도 부제가 서비스 카드 좌측 기준선과
   맞도록 고정. `translate` 프로퍼티 사용 — .reveal 클래스의 transform 애니메이션과
   충돌 없이 독립적으로 x축 쉬프트 적용됨. */
.section-head {
  margin: 0 auto 64px;
  max-width: var(--maxw);
  width: 100%;
}
/* 와이드 모니터(34인치 등)에서만 좌측 70px 시프트로 서비스 카드 좌측 기준선과 맞춤.
   1820px 기준: maxw(1480) + translate(70*2) + 안전 여유(100*2). 이 미만에서는
   좌측 텍스트가 viewport 밖으로 잘리므로 시프트 미적용 (예: 1080p × 110% zoom). */
@media (min-width: 1820px) {
  .section-head { translate: -70px 0; }
}
.section-head > * {
  max-width: 920px;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono);
  font-size: 16px; letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--red); font-weight: 500; margin-bottom: 20px;
}
.eyebrow::before { content:''; width: 24px; height: 1px; background: var(--red); }
.h-xl { font-family: var(--font-display); font-size: clamp(44px, 5.5vw, 76px); font-weight: 600; line-height: 1.02; letter-spacing: -0.025em;}
.h-xl.kr { font-family: var(--font-kr); font-weight: 700; letter-spacing: -0.035em; }
.h-lg { font-family: var(--font-display); font-size: clamp(36px, 4vw, 56px); font-weight: 600; line-height: 1.05; letter-spacing: -0.02em;}
.h-lg.kr { font-family: var(--font-kr); font-weight: 700; letter-spacing: -0.03em; }
.h-md { font-size: 22px; font-weight: 700; line-height: 1.3; letter-spacing: -0.02em;}
.lead { font-size: 18px; color: var(--text-dim); max-width: 680px; line-height: 1.6; }

/* =============== HERO =============== */
.hero {
  position: relative; min-height: 88vh; padding-top: 104px; padding-bottom: 80px;
  display: flex; flex-direction: column; justify-content: flex-end;
  overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-color: #0a0a0b;
  background-image: url('images/hero-live.png');
  background-size: cover;
  /* Shift focal point lower so the crowd/hands area dominates the visible
     portion instead of the bare sky at the top of the source image. */
  background-position: center 75%;
  background-repeat: no-repeat;
  filter: contrast(1.05) brightness(0.78) saturate(1.05);
}
.hero-bg::after {
  content:''; position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(10,10,11,0.55) 0%, rgba(10,10,11,0.25) 30%, rgba(10,10,11,0.55) 65%, rgba(10,10,11,1) 100%),
    linear-gradient(90deg, rgba(10,10,11,0.5) 0%, rgba(10,10,11,0.1) 50%, rgba(10,10,11,0.5) 100%);
}
.hero-noise {
  position: absolute; inset: 0; z-index: 1; pointer-events: none; opacity: 0.4;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence baseFrequency='0.9'/></filter><rect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/></svg>");
  mix-blend-mode: overlay;
}
.hero-grid {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: calc(100%/12) 100%;
}

/* === Hero ambient motion — subtle animated background (2026-04-21) === */
.hero-bg {
  animation:
    heroKenBurns 28s ease-in-out infinite alternate,
    heroLightPulse 5s ease-in-out infinite;
  will-change: transform, filter;
}
@keyframes heroKenBurns {
  0%   { transform: scale(1.00) translate3d(0, 0, 0); }
  100% { transform: scale(1.06) translate3d(-0.8%, -1.2%, 0); }
}
@keyframes heroLightPulse {
  0%, 100% { filter: contrast(1.05) brightness(0.78) saturate(1.05); }
  50%      { filter: contrast(1.08) brightness(0.82) saturate(1.09); }
}
.hero-smoke1, .hero-smoke2 {
  position: absolute; inset: -15%; z-index: 0; pointer-events: none;
  mix-blend-mode: screen; will-change: transform, opacity;
}
.hero-smoke1 {
  background:
    radial-gradient(ellipse 45% 35% at 25% 75%, rgba(255, 90, 70, 0.14) 0%, transparent 65%),
    radial-gradient(ellipse 35% 30% at 75% 40%, rgba(255, 130, 90, 0.10) 0%, transparent 65%),
    radial-gradient(ellipse 55% 45% at 50% 55%, rgba(220, 70, 50, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 30% 25% at 85% 80%, rgba(255, 100, 60, 0.10) 0%, transparent 65%);
  filter: blur(40px);
  animation: heroSmokeDrift1 22s ease-in-out infinite;
}
.hero-smoke2 {
  background:
    radial-gradient(ellipse 40% 35% at 15% 30%, rgba(255, 80, 60, 0.10) 0%, transparent 70%),
    radial-gradient(ellipse 45% 40% at 85% 20%, rgba(255, 110, 80, 0.09) 0%, transparent 70%);
  filter: blur(50px);
  animation: heroSmokeDrift2 30s ease-in-out infinite;
}
@keyframes heroSmokeDrift1 {
  0%   { transform: translate3d(0, 3%, 0) scale(1.00); opacity: 0.75; }
  33%  { transform: translate3d(1.2%, -2%, 0) scale(1.05); opacity: 1.00; }
  66%  { transform: translate3d(-0.8%, 1%, 0) scale(1.02); opacity: 0.85; }
  100% { transform: translate3d(0, 3%, 0) scale(1.00); opacity: 0.75; }
}
@keyframes heroSmokeDrift2 {
  0%   { transform: translate3d(-1%, 0, 0) scale(1.03); opacity: 0.6; }
  50%  { transform: translate3d(1%, -3%, 0) scale(1.08); opacity: 0.9; }
  100% { transform: translate3d(-1%, 0, 0) scale(1.03); opacity: 0.6; }
}
.hero-vignette-pulse {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 45%, rgba(0, 0, 0, 0.25) 100%);
  animation: heroVignettePulse 7s ease-in-out infinite;
}
@keyframes heroVignettePulse {
  0%, 100% { opacity: 0.5; }
  50%      { opacity: 0.7; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-bg,
  .hero-smoke1,
  .hero-smoke2,
  .hero-vignette-pulse {
    animation: none !important;
  }
}
/* === End hero ambient motion === */

.hero-inner { position: relative; z-index: 2; max-width: var(--maxw); margin: 0 auto; width: 100%;}

.hero-meta-top {
  display: flex; justify-content: space-between; align-items: flex-start;
  margin-bottom: auto; padding-bottom: 48px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em;
  color: var(--text-dim); text-transform: uppercase;
}
.hero-meta-top .pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px; border: 1px solid var(--line-strong);
  border-radius: 999px; background: rgba(255,255,255,0.02);
  backdrop-filter: blur(8px);
}
.hero-meta-top .pill .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--red); box-shadow: 0 0 12px var(--red); animation: pulse 1.8s infinite; }
@keyframes pulse { 0%,100% { opacity: 1;} 50% { opacity: 0.3; }}

.hero-title-block { max-width: 1100px; }
.hero-kicker {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.3em;
  color: var(--red); text-transform: uppercase; margin-bottom: 24px;
  display: flex; align-items: center; gap: 12px;
}
.hero-kicker::before { content:''; width: 36px; height: 1px; background: var(--red); }
.hero-title {
  font-family: var(--font-kr); font-weight: 800;
  font-size: clamp(52px, 7vw, 104px);
  line-height: 0.98; letter-spacing: -0.045em;
  margin-bottom: 24px;
}
.hero-title .line2 { color: var(--text-dim); font-weight: 500; font-size: 0.62em; letter-spacing: -0.02em;}
.hero-title em {
  font-style: normal; color: var(--red); position: relative;
  font-family: var(--font-display); font-weight: 500;
  font-size: 0.95em;
}
.hero-sub {
  font-size: 18px; color: var(--text-dim); max-width: 620px; line-height: 1.55;
  margin-bottom: 40px;
}
.hero-ctas { display:flex; gap: 14px; align-items: center; flex-wrap: wrap;}
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 28px; border-radius: 2px;
  font-size: 14px; font-weight: 600; letter-spacing: -0.005em;
  transition: all .2s;
}
.btn-primary { background: var(--red); color: white; }
.btn-primary:hover { background: var(--red-soft); transform: translateY(-2px); box-shadow: 0 12px 24px -8px rgba(230,57,70,0.5);}
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line-strong); }
.btn-ghost:hover { background: rgba(255,255,255,0.04); border-color: var(--text); }

.hero-foot {
  margin-top: 72px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  border-top: 1px solid var(--line); padding-top: 28px;
}
.hero-foot .item { padding-right: 24px; border-right: 1px solid var(--line); }
.hero-foot .item:last-child { border-right: 0; }
.hero-foot .item .k {
  font-family: var(--font-display); font-size: 36px; font-weight: 600; letter-spacing: -0.02em;
  color: var(--text);
}
.hero-foot .item .k .unit { color: var(--red); }

/* 숫자는 흰색 유지, + 기호(.unit)에만 빨간 글로우 — 23.5M+ / 100M+ 두 항목 */
#hero-m1-k .unit,
#hero-m3-k .unit {
  text-shadow:
    0 0 18px rgba(230,57,70,0.6),
    0 0 40px rgba(230,57,70,0.3);
  animation: red-glow 3.2s ease-in-out infinite;
}
.hero-foot .item .l {
  font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-mute); margin-top: 4px; font-family: var(--font-mono); font-weight: 500;
}

/* Hero variants nav */
.hero-variant-switch {
  position: absolute; bottom: 24px; right: var(--pad); z-index: 5;
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.15em;
  color: var(--text-mute); text-transform: uppercase;
}
.hero-variant-switch button {
  width: 28px; height: 28px; border-radius: 2px; border: 1px solid var(--line-strong);
  color: var(--text-dim); font-size: 11px; font-family: var(--font-mono);
  display: grid; place-items: center;
}
.hero-variant-switch button.on { background: var(--red); border-color: var(--red); color: white; }

/* =============== SECTION: TICKER =============== */
.ticker {
  padding: 18px 0; overflow: hidden;
  border-block: 1px solid var(--line);
  background: var(--bg);
  position: relative;
}
.ticker-track {
  display: flex; gap: 60px; white-space: nowrap;
  animation: tickScroll 50s linear infinite;
  font-family: var(--font-display); font-size: 14px; font-weight: 500;
  color: var(--text-dim); letter-spacing: 0.02em;
  padding: 0 30px;
}
.ticker-track span { display: inline-flex; align-items: center; gap: 60px; }
.ticker-track .sep { color: var(--red); }
@keyframes tickScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* =============== SERVICE =============== */
.service-grid {
  display: grid; grid-template-columns: repeat(12, 1fr); gap: 16px;
  max-width: var(--maxw); margin: 0 auto;
}
.service-card {
  background: var(--bg-1); border: 1px solid var(--line);
  padding: 36px 32px; position: relative; overflow: hidden;
  transition: border-color .2s, background .2s;
}
.service-card:hover { border-color: var(--red-line); background: var(--bg-2); }
.service-card .num {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em;
  color: var(--text-mute); margin-bottom: 32px;
}
.service-card .icon {
  width: 44px; height: 44px; margin-bottom: 24px;
  display: grid; place-items: center;
  color: var(--red);
}
.service-card h3 { font-size: 20px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 10px;}
.service-card p { font-size: 14px; color: var(--text-dim); line-height: 1.55;}
.service-card ul { margin-top: 16px; font-size: 13px; color: var(--text-dim); list-style: none;}
.service-card ul li { padding: 6px 0; border-bottom: 1px dashed var(--line); display: flex; justify-content: space-between;}
.service-card ul li:last-child { border-bottom: 0; }
.service-card ul li .tag { font-family: var(--font-mono); font-size: 10px; color: var(--red); letter-spacing: 0.1em;}

.service-card.wide { grid-column: span 6;}
.service-card.narrow { grid-column: span 3; }
.service-card.feature {
  grid-column: span 6; grid-row: span 2;
  background: linear-gradient(145deg, #1a0d10 0%, var(--bg-1) 60%);
  border-color: var(--red-line);
  padding: 48px;
}
.service-card.feature .big {
  font-family: var(--font-display); font-size: 90px; font-weight: 600; color: var(--red);
  line-height: 1; letter-spacing: -0.04em; margin-top: 32px;
  text-shadow:
    0 0 24px rgba(230,57,70,0.5),
    0 0 56px rgba(230,57,70,0.28);
  animation: red-glow 3.2s ease-in-out infinite;
}
.service-card.feature h3 { font-size: 28px; }

/* =============== NETWORK =============== */
.network-section {
  background: var(--bg);
  border-top: 1px solid var(--line);
  padding-top: 140px;
}
.stat-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0;
  max-width: var(--maxw); margin: 0 auto; border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.stat {
  padding: 40px 36px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  position: relative; overflow: hidden;
  transition: background .2s;
}
.stat:hover { background: var(--bg-1); }
.stat .v {
  font-family: var(--font-display); font-size: 72px; font-weight: 500; line-height: 1;
  color: var(--red); letter-spacing: -0.035em;
  text-shadow:
    0 0 26px rgba(230,57,70,0.45),
    0 0 56px rgba(230,57,70,0.22);
  animation: red-glow 3.2s ease-in-out infinite;
}
.stat .v .unit { font-size: 40px; margin-left: 4px;}
.stat .l {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--text-mute); font-family: var(--font-mono); margin-top: 24px;
}
.stat .d { font-size: 14px; color: var(--text); margin-top: 8px; line-height: 1.45;}

.platform-row {
  max-width: var(--maxw); margin: 84px auto 0; display: flex; gap: 96px; align-items: center;
  flex-wrap: wrap;
}
.platform-row .p-label {
  font-family: var(--font-kr); font-size: 22px; font-weight: 700; letter-spacing: -0.015em; color: var(--text);
}
.platform-row .p-list { display: flex; gap: 40px; align-items: center; color: var(--text);}
.platform-row .p-list .p-item { display: flex; align-items: center; gap: 14px; font-weight: 600; font-size: 15px; letter-spacing: -0.01em;}
.platform-row .p-list .p-ic {
  flex-shrink: 0; border-radius: 5px; display: block;
  transform: scale(1.3);
  transform-origin: center center;
}

/* Conversion engineering callout */
.ce-callout {
  max-width: var(--maxw); margin: 72px auto 0;
  border: 1px solid var(--red-line); background: linear-gradient(135deg, rgba(230,57,70,0.06), transparent 60%);
  padding: 36px 40px;
  display: grid; grid-template-columns: auto 1fr; gap: 36px; align-items: start;
}
.ce-callout .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--red); text-transform: uppercase; white-space: nowrap;}
.ce-callout p { font-size: 16px; color: var(--text); max-width: 780px; line-height: 1.6; }
.ce-callout p b { color: var(--red); font-weight: 600; }

/* =============== CASE STUDIES =============== */
.case-section { background: var(--bg); border-top: 1px solid var(--line); }
.case-list {
  max-width: var(--maxw); margin: 0 auto;
  border-top: 1px solid var(--line);
}
.case-row {
  /* 모든 행의 period/posts/views X 위치 통일을 위해 고정 비율 사용 */
  display: grid; grid-template-columns: 70px 1.5fr 1fr 0.7fr 0.8fr 40px;
  gap: 32px; align-items: center;
  padding: 28px 12px; border-bottom: 1px solid var(--line);
  cursor: pointer; transition: background .2s, padding .2s;
  position: relative;
}
.case-row:hover { background: var(--bg-1); padding-left: 20px;}
.case-row .no { font-family: var(--font-mono); font-size: 12px; color: var(--text-mute); letter-spacing: 0.1em;}
.case-row .client { font-family: var(--font-display); font-size: 22px; font-weight: 600; letter-spacing: -0.015em; white-space: nowrap; min-width: 0;}
.case-row .client .sub { display: block; font-family: var(--font-kr); font-size: 12px; color: var(--text-mute); font-weight: 400; margin-top: 4px; letter-spacing: 0;}
.case-row .period { font-family: var(--font-mono); font-size: 12px; color: var(--text-dim); letter-spacing: 0.05em;}
.case-row .posts { font-family: var(--font-display); font-weight: 500; font-size: 22px; letter-spacing: -0.01em;}
.case-row .views { font-family: var(--font-display); font-weight: 500; font-size: 26px; color: var(--red); letter-spacing: -0.02em;}
.case-row .chev { color: var(--text-mute); transition: transform .2s, color .2s;}
.case-row:hover .chev { color: var(--red); transform: translateX(4px); }

.case-row.open { background: var(--bg-1); padding-left: 20px;}
.case-row.open .chev { transform: rotate(90deg); color: var(--red); }
.case-detail {
  grid-column: 1 / -1; overflow: hidden; max-height: 0;
  transition: max-height .35s ease, padding .3s, margin .3s;
}
.case-row.open .case-detail { max-height: 720px; padding-top: 32px; margin-top: 4px;}
.case-detail-inner {
  display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px;
  padding: 24px 0 16px; border-top: 1px solid var(--line);
}
.case-detail h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.15em; color: var(--red); font-family: var(--font-mono); font-weight: 500; margin-bottom: 14px;}
.case-detail p { font-size: 15px; color: var(--text-dim); line-height: 1.65; }
.case-detail .metrics { display:grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 8px;}
.case-detail .metrics .m { padding: 14px 0; border-top: 1px solid var(--line);}
.case-detail .metrics .m .mv { font-family: var(--font-display); font-size: 22px; font-weight: 500; letter-spacing: -0.015em; color: var(--text);}
.case-detail .metrics .m .ml { font-size: 11px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.1em; font-family: var(--font-mono); margin-top: 4px;}
.case-detail .chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px;}
.case-detail .chip { font-size: 11px; padding: 5px 10px; background: rgba(255,255,255,0.04); border: 1px solid var(--line-strong); border-radius: 999px; color: var(--text-dim); font-family: var(--font-mono); letter-spacing: 0.05em;}

/* =============== AGGREGATE =============== */
.aggregate-section { background: var(--bg); border-top: 1px solid var(--line); }
.aggregate {
  max-width: var(--maxw); margin: 0 auto;
  display: flex; flex-direction: column; align-items: flex-start; gap: 40px;
}
.aggregate .big-num {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(120px, 16vw, 260px);
  line-height: 0.85; color: var(--red); letter-spacing: -0.05em;
  text-shadow:
    0 0 32px rgba(230,57,70,0.5),
    0 0 72px rgba(230,57,70,0.28);
  animation: red-glow 3.2s ease-in-out infinite;
}
@keyframes red-glow {
  0%, 100% {
    text-shadow:
      0 0 28px rgba(230,57,70,0.42),
      0 0 64px rgba(230,57,70,0.22);
  }
  50% {
    text-shadow:
      0 0 40px rgba(230,57,70,0.62),
      0 0 96px rgba(230,57,70,0.38);
  }
}
.aggregate .big-num .plus { font-size: 0.5em; vertical-align: super; color: var(--text); }
.aggregate .caption { font-size: 18px; color: var(--text-dim); line-height: 1.5; margin-bottom: 32px;}
.aggregate .caption b { color: var(--text); font-weight: 600;}
.aggregate .breakdown {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-top: 1px solid var(--line); border-left: 1px solid var(--line);
}
.aggregate .breakdown .b {
  padding: 22px 24px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.aggregate .breakdown .b .bv { font-family: var(--font-display); font-size: 28px; font-weight: 500; letter-spacing: -0.015em;}
.aggregate .breakdown .b .bl { font-size: 11px; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-mute); font-family: var(--font-mono); margin-top: 6px;}

/* =============== PILOT =============== */
.pilot-section { background: var(--bg-1); border-top: 1px solid var(--line); }
.pilot-grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
  position: relative;
}
.pilot-step {
  border: 1px solid var(--line);
  padding: 32px 24px 28px;
  background: var(--bg); position: relative; min-height: 260px;
  transition: border-color .2s, transform .2s;
}
.pilot-step:hover { border-color: var(--red-line); transform: translateY(-3px); }
.pilot-step .wk { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.2em; color: var(--red); text-transform: uppercase; font-weight: 500;}
.pilot-step .title { font-family: var(--font-display); font-size: 28px; font-weight: 600; letter-spacing: -0.02em; margin-top: 20px; margin-bottom: 28px;}
.pilot-step .desc { font-size: 13.5px; color: var(--text-dim); line-height: 1.55;}
.pilot-step .arrow-line {
  position: absolute; right: -16px; top: 50%; width: 16px; height: 1px; background: var(--line-strong);
  z-index: 1;
}
.pilot-step .arrow-line::after {
  content:''; position: absolute; right: 0; top: -3px; width: 7px; height: 7px;
  border-right: 1px solid var(--red); border-top: 1px solid var(--red); transform: rotate(45deg);
}
.pilot-step:last-child .arrow-line { display: none; }
.pilot-step:nth-child(4) { background: linear-gradient(140deg, #2a0d12 0%, #14060a 80%); border-color: var(--red-line);}
.pilot-step:nth-child(4) .wk { color: var(--red-soft);}
.pilot-deliverables {
  max-width: var(--maxw); margin: 48px auto 0;
  padding: 24px 28px; border: 1px solid var(--red-line); background: rgba(230,57,70,0.04);
  display: flex; gap: 32px; align-items: center; flex-wrap: wrap;
}
.pilot-deliverables .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--red); text-transform: uppercase;}
.pilot-deliverables .items { display: flex; gap: 28px; color: var(--text-dim); font-size: 14px; flex-wrap: wrap;}
.pilot-deliverables .items span { position: relative; padding-right: 28px;}
.pilot-deliverables .items span:not(:last-child)::after { content:'|'; position: absolute; right: 10px; color: var(--line-strong);}

/* =============== WHY =============== */
.why-section { background: var(--bg); border-top: 1px solid var(--line);}
.why-grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px;
}
.why-lead { grid-column: span 4;}
.why-lead h2 { font-family: var(--font-kr); font-weight: 800; font-size: clamp(40px, 4.2vw, 60px); letter-spacing: -0.035em; line-height: 1.05;}
.why-lead h2 em { font-style: normal; color: var(--red); font-family: var(--font-display); font-weight: 500;}
.why-lead p { font-size: 15px; color: var(--text-dim); margin-top: 24px; line-height: 1.6; max-width: 380px;}
.why-items { grid-column: span 8; display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line);}
.why-item {
  background: var(--bg); padding: 32px 28px 36px;
  transition: background .2s;
  position: relative;
}
.why-item:hover { background: var(--bg-1);}
.why-item .n { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.15em; color: var(--red); font-weight: 500;}
.why-item h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.015em; margin-top: 20px; margin-bottom: 10px;}
.why-item p { font-size: 14px; color: var(--text-dim); line-height: 1.55;}

/* =============== LOGO WALL =============== */
.logo-wall { background: linear-gradient(180deg, var(--bg) 0, #000 64px, #000 calc(100% - 64px), var(--bg) 100%); padding: 48px 0 56px;}
.logo-wall-inner {
  max-width: none; margin: 0;
  display: block;
}
.logo-wall .logos {
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  /* 좌우 음영 페이드 입구/출구 — 로고가 경계에서 자연스럽게 사라졌다 나타남 */
  mask-image: linear-gradient(90deg, transparent 0, #000 140px, #000 calc(100% - 140px), transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 140px, #000 calc(100% - 140px), transparent 100%);
}
.logo-wall .logo-track {
  display: flex; gap: 56px; align-items: center;
  width: max-content;
  padding: 8px 28px;
  animation: logo-marquee 42s linear infinite;
}
.logo-wall .logo-track.logo-track-reverse {
  animation: logo-marquee-reverse 46s linear infinite;
}
.logo-wall:hover .logo-track { animation-play-state: paused;}
/* 3회 복제(triplicate) 트랙에 맞춘 이동 거리:
   총 300%에서 원본 1배치치인 33.333%만 이동 → 끝 지점에서 복제본 첫 로고가
   원본 첫 로고 자리에 정확히 위치하므로 점프 없이 seamless 반복. */
@keyframes logo-marquee {
  from { transform: translateX(0);}
  to { transform: translateX(-33.3333%);}
}
@keyframes logo-marquee-reverse {
  from { transform: translateX(-33.3333%);}
  to { transform: translateX(0);}
}
.logo-wall .logo-cell {
  flex: 0 0 auto;
  width: 180px; height: 96px;
  display: grid; place-items: center;
  position: relative;
}
.logo-wall .logo-cell img {
  max-width: 100%; max-height: 100%;
  width: auto; height: auto;
  object-fit: contain;
  opacity: 0.9;
  transition: opacity 0.3s ease;
}
.logo-wall .logo-cell:hover img { opacity: 1;}

/* YG Plus 전용: 원본 캔버스에 여백이 많아 PLUS 텍스트가 작게 보이는 문제 —
   해당 셀 이미지를 확대해 YG 심볼과 PLUS 텍스트가 모두 선명하게 읽히도록. */
.logo-wall .logo-cell[title="YG Plus"] img {
  /* 새 이미지(image 1061)는 여백이 적어 원본 비율로 contain되어 전체 표시됨.
     교체 후 셀 안쪽 여백 살짝 확보 목적의 미세 축소. */
  transform: scale(0.95);
  transform-origin: center center;
}
.logo-wall .logo-text { font-size: 11px; color: var(--text-mute); letter-spacing: 0.05em; text-align: center; font-family: var(--font-mono);}

/* =============== COLUMN / BLOG =============== */
.column-section {
  background: #0a0a0b;
  color: #f1f1f2;
  border-top: 1px solid var(--line);
  padding: 120px var(--pad);
}
.column-section .eyebrow { color: var(--red);}
.column-section .lead { color: rgba(255,255,255,0.6);}
.column-section .h-lg { color: white;}
.column-section .section-head { border-bottom: 1px solid rgba(255,255,255,0.12); padding-bottom: 40px;}

.col-filters {
  max-width: var(--maxw); margin: 0 auto 48px;
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
}
.col-filters .k {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; color: rgba(255,255,255,0.45);
  text-transform: uppercase; margin-right: 16px;
}
.col-filters button {
  padding: 8px 16px; font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.75);
  border: 1px solid rgba(255,255,255,0.18); border-radius: 999px; background: transparent;
  transition: all .15s; letter-spacing: -0.005em;
}
.col-filters button:hover { border-color: var(--red); color: var(--red);}
.col-filters button.on { background: white; color: #0a0a0b; border-color: white;}

.col-layout {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 0.9fr 1.3fr; gap: 64px;
}

/* --- Top 5 list (left) --- */
.col-top5 {}
.col-top5 .head {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 20px; border-bottom: 2px solid white; margin-bottom: 4px;
}
.col-top5 .head h3 {
  font-size: 22px; font-weight: 800; letter-spacing: -0.025em; color: white;
}
.col-top5 .head .sub {
  font-size: 12px; color: rgba(255,255,255,0.5); font-family: var(--font-mono); letter-spacing: 0.1em;
}
.col-top5 .head .month {
  color: var(--red); font-weight: 600; font-family: var(--font-kr);
  font-size: 13px; letter-spacing: -0.01em;
}
.top5-item {
  display: grid; grid-template-columns: 54px 132px 1fr auto; gap: 20px;
  padding: 28px 0; border-bottom: 1px solid rgba(255,255,255,0.08);
  align-items: center; cursor: pointer; transition: background .15s, padding .15s;
}
.top5-item:hover { padding-left: 8px;}
.top5-item .rank {
  font-family: var(--font-display); font-size: 36px; font-weight: 600;
  color: var(--red); letter-spacing: -0.02em;
}
/* Rank colour fades from pure red (1) → red-tinted gray (5) by mixing with
   the muted text tone. Stays readable on the dark background — unlike pure
   alpha fade which just looked dim. */
.top5-item:nth-child(1) .rank { color: color-mix(in srgb, var(--red) 100%, var(--text-mute) 0%); }
.top5-item:nth-child(2) .rank { color: color-mix(in srgb, var(--red) 72%, var(--text-mute) 28%); }
.top5-item:nth-child(3) .rank { color: color-mix(in srgb, var(--red) 48%, var(--text-mute) 52%); }
.top5-item:nth-child(4) .rank { color: color-mix(in srgb, var(--red) 26%, var(--text-mute) 74%); }
.top5-item:nth-child(5) .rank { color: color-mix(in srgb, var(--red) 12%, var(--text-mute) 88%); }
.top5-item .thumb {
  width: 132px; height: 90px; background-size: cover; background-position: center;
  border-radius: 6px; overflow: hidden;
}
.top5-item .body .cat {
  font-size: 13px; color: rgba(255,255,255,0.5); font-weight: 500; margin-bottom: 6px;
  letter-spacing: -0.005em;
}
.top5-item .body .t {
  font-size: 17px; font-weight: 600; line-height: 1.4; letter-spacing: -0.015em;
  color: white;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden;
}
.top5-item .body .t em {
  font-style: normal; font-weight: 400; color: rgba(255,255,255,0.55);
}
.top5-item:hover .body .t { color: var(--red);}
.top5-item .views {
  font-family: var(--font-mono); font-size: 12px; color: rgba(255,255,255,0.45);
  text-align: right; letter-spacing: 0.05em; white-space: nowrap;
}
.top5-item .views .vv { display: block; color: var(--red); font-weight: 600; font-size: 14px;}

/* --- New content grid (right) --- */
.col-new {}
.col-new .head {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 20px; border-bottom: 2px solid white; margin-bottom: 24px;
}
.col-new .head h3 {
  font-size: 22px; font-weight: 800; letter-spacing: -0.025em; color: white;
}
.col-new .head h3 .new-pill {
  display: inline-block; padding: 3px 8px; background: var(--red); color: white;
  font-size: 11px; font-weight: 700; letter-spacing: 0.1em; margin-right: 10px;
  font-family: var(--font-display); vertical-align: 2px;
}
.col-new .head .more {
  font-size: 13px; color: rgba(255,255,255,0.6); font-weight: 500; font-family: var(--font-kr);
}
.col-new .head .more:hover { color: var(--red);}
.col-new-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px;
}
.col-new-card {
  background: #151517; border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px; overflow: hidden;
  cursor: pointer; transition: transform .2s, box-shadow .2s, border-color .2s;
  display: flex; flex-direction: column;
}
.col-new-card:hover { transform: translateY(-3px); box-shadow: 0 16px 40px -12px rgba(0,0,0,0.6); border-color: rgba(230,57,70,0.5);}
.col-new-card .thumb {
  aspect-ratio: 5/3; background-size: cover; background-position: center;
  position: relative; overflow: hidden; display: grid; place-items: center;
  padding: 20px;
}
.col-new-card .thumb .t-text {
  font-family: var(--font-kr); font-size: 19px; font-weight: 800;
  line-height: 1.25; letter-spacing: -0.03em; text-align: center;
  color: #0a0a0b;
}
.col-new-card .thumb .t-text em { font-style: normal; color: var(--red); }
.col-new-card .body {
  padding: 18px 20px 20px;
  display: flex; flex-direction: column; gap: 10px; flex: 1;
}
.col-new-card .audience {
  display: flex; gap: 6px; flex-wrap: wrap;
}
.col-new-card .audience .aud {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600; letter-spacing: -0.005em;
}
.col-new-card .audience .aud.ceo { background: rgba(230,57,70,0.18); color: #ff8794;}
.col-new-card .audience .aud.promoter { background: rgba(230,57,70,0.18); color: #ff8794;}
.col-new-card .audience .aud.senior { background: rgba(100,140,220,0.18); color: #9fb8e8;}
.col-new-card .audience .aud.new { background: rgba(80,180,120,0.18); color: #7fd49f;}
.col-new-card .audience .aud.rookie { background: rgba(220,170,80,0.18); color: #f0c477;}
.col-new-card .cat {
  font-size: 12px; color: rgba(255,255,255,0.5); font-weight: 500;
}
.col-new-card h4 {
  font-size: 16px; font-weight: 700; line-height: 1.4; letter-spacing: -0.02em;
  color: white;
}
.col-new-card:hover h4 { color: var(--red);}
.col-new-card .meta {
  margin-top: auto; font-size: 12px; color: rgba(255,255,255,0.45);
  display: flex; gap: 10px; align-items: center;
  font-family: var(--font-kr); letter-spacing: -0.005em;
}
.col-new-card .meta .sep { color: rgba(255,255,255,0.2);}
.col-new-card .meta .views-ic {
  display: inline-flex; align-items: center; gap: 4px; color: var(--red); font-weight: 600;
}

/* =============== FAQ =============== */
.faq-section { background: var(--bg); border-top: 1px solid var(--line);}
.faq-grid {
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.6fr; gap: 72px;
}
.faq-list { display: flex; flex-direction: column;}
.faq-item { border-top: 1px solid var(--line); padding: 26px 0;}
.faq-item:last-child { border-bottom: 1px solid var(--line);}
.faq-q {
  width: 100%; text-align: left; display: flex; justify-content: space-between; gap: 24px;
  font-size: 17px; font-weight: 600; letter-spacing: -0.015em; line-height: 1.4;
  transition: color .2s;
}
.faq-q:hover { color: var(--red-soft);}
.faq-q .plus {
  flex-shrink: 0; width: 22px; height: 22px; border: 1px solid var(--line-strong);
  border-radius: 50%; display: grid; place-items: center;
  transition: transform .25s, border-color .25s, background .25s;
}
.faq-item.open .faq-q .plus { transform: rotate(45deg); background: var(--red); border-color: var(--red);}
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height .3s, padding .3s;
  color: var(--text-dim); font-size: 14.5px; line-height: 1.65;
}
.faq-item.open .faq-a { max-height: 300px; padding-top: 16px;}

/* FAQ 타이틀: 크기 증가 + 은은한 빨간 글로우 (느린 펄스) */
#faq-title {
  font-size: clamp(52px, 5.5vw, 84px);
  text-shadow:
    0 0 14px rgba(230,57,70,0.22),
    0 0 34px rgba(230,57,70,0.10);
  animation: faq-soft-glow 4.2s ease-in-out infinite;
}
@keyframes faq-soft-glow {
  0%, 100% {
    text-shadow:
      0 0 12px rgba(230,57,70,0.16),
      0 0 28px rgba(230,57,70,0.06);
  }
  50% {
    text-shadow:
      0 0 20px rgba(230,57,70,0.34),
      0 0 44px rgba(230,57,70,0.16);
  }
}

/* =============== CONTACT =============== */
.contact-section {
  background: #0a0a0b;
  border-top: 1px solid var(--line);
  position: relative; overflow: hidden;
}
.contact-section::before {
  content:''; position: absolute; inset: 0; opacity: 0.3; pointer-events: none;
  background-image: url('images/hero-live.png');
  background-size: cover; background-position: center;
  filter: grayscale(1) contrast(1.2);
}
.contact-section::after {
  content:''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 30% 50%, rgba(230,57,70,0.08), transparent 60%), linear-gradient(180deg, rgba(10,10,11,0.85), rgba(10,10,11,0.98));
}
.contact-inner {
  position: relative; z-index: 2;
  max-width: var(--maxw); margin: 0 auto;
  display: grid; grid-template-columns: 1fr 1.2fr; gap: 96px;
}
.contact-left h2 { font-family: var(--font-kr); font-weight: 800; font-size: clamp(48px, 5.5vw, 72px); letter-spacing: -0.035em; line-height: 1.02;}
.contact-left h2 em { font-style: normal; color: var(--red); font-family: var(--font-display); font-weight: 500; display: block;}
.contact-left p { font-size: 17px; color: var(--text-dim); margin-top: 24px; line-height: 1.6; max-width: 440px;}
.contact-channels { margin-top: 48px; display: flex; flex-direction: column; gap: 0; border-top: 1px solid var(--line);}
.contact-channels a {
  padding: 20px 0; display: grid; grid-template-columns: 100px 1fr auto; gap: 20px; align-items: center;
  border-bottom: 1px solid var(--line); transition: padding .2s, color .2s;
}
.contact-channels a:hover { padding-left: 12px; color: var(--red);}
.contact-channels .k { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-mute); }
.contact-channels .v { font-family: var(--font-display); font-size: 18px; font-weight: 500; letter-spacing: -0.005em; color: var(--text);}
.contact-channels a:hover .v { color: var(--red);}

/* Form — 배경과 확실히 구분되는 박스 */
.contact-form {
  background: var(--bg-2);
  border: 1px solid rgba(255,255,255,0.10);
  padding: 56px;
  position: relative;
  border-radius: 8px;
  box-shadow:
    0 24px 64px -16px rgba(0,0,0,0.55),
    0 0 0 1px rgba(230,57,70,0.04) inset;
}
.contact-form .form-head {
  display: flex; justify-content: space-between; align-items: baseline;
  padding-bottom: 24px; border-bottom: 1px solid var(--line); margin-bottom: 28px;
}
.contact-form .form-head h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.015em;}
.contact-form .form-head .seq { font-family: var(--font-mono); font-size: 11px; color: var(--text-mute); letter-spacing: 0.2em;}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px;}
.form-field { display: flex; flex-direction: column; gap: 8px;}
.form-field.full { grid-column: span 2;}
.form-field label {
  font-family: var(--font-mono); font-size: 15px; letter-spacing: 0.2em; color: var(--text-mute); text-transform: uppercase; font-weight: 500;
}
.form-field label .req { color: var(--red); }
.form-field input, .form-field textarea, .form-field select {
  background: transparent; border: 0; border-bottom: 1px solid var(--line-strong);
  padding: 10px 0; color: var(--text); font-family: var(--font-kr); font-size: 20px;
  outline: none; transition: border-color .2s;
  resize: none;
}
.form-field input:focus, .form-field textarea:focus, .form-field select:focus {
  border-bottom-color: var(--red);
}
.form-field select {
  appearance: none; cursor: pointer;
  /* 다크 모드 드롭다운: 네이티브 옵션 리스트가 흰 배경에 흰 글자로 깨지던 문제 해소 */
  color-scheme: dark;
}
.form-notice {
  flex: 1;
  padding: 12px 16px;
  background: rgba(230,57,70,0.06);
  border: 1px solid var(--red-line);
  border-radius: 4px;
  font-family: var(--font-kr);
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
  letter-spacing: -0.005em;
}
.form-notice b {
  color: var(--red);
  font-weight: 600;
}
.form-field select option {
  background: #111113;
  color: #f5f5f7;
}
.form-field textarea { min-height: 80px; line-height: 1.5;}
.checks { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px;}
.check {
  padding: 8px 14px; border: 1px solid var(--line-strong); border-radius: 999px;
  font-size: 17px; cursor: pointer; transition: all .15s; font-weight: 500;
  color: var(--text-dim);
}
.check.on { background: var(--red); border-color: var(--red); color: white;}
.form-submit {
  margin-top: 28px; width: 100%; padding: 18px 24px; background: var(--red); color: white;
  font-size: 19px; font-weight: 700; letter-spacing: 0.02em;
  display: flex; align-items: center; justify-content: center; gap: 12px;
  transition: background .2s;
}
.form-submit:hover { background: var(--red-soft); }

/* =============== FOOTER =============== */
.footer { background: #050506; padding: 72px var(--pad) 32px; border-top: 1px solid var(--line);}
.footer-inner { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px;}
.footer h4 { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--text-mute); text-transform: uppercase; margin-bottom: 18px; font-weight: 500;}
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 10px;}
.footer ul a { font-size: 13px; color: var(--text-dim); transition: color .15s;}
.footer ul a:hover { color: var(--red);}
.footer .foot-logo { display: flex; flex-direction: column; gap: 16px;}
.footer .foot-logo p { font-size: 13px; color: var(--text-dim); max-width: 320px; line-height: 1.6;}
.footer-bottom {
  max-width: var(--maxw); margin: 64px auto 0; padding-top: 24px; border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 6px;
  font-family: var(--font-kr); font-size: 12px; color: var(--text-mute); letter-spacing: -0.005em;
  line-height: 1.6;
}
.footer-bottom p { margin: 0; }
.footer-bottom #foot-copy { margin-top: 4px; color: rgba(255,255,255,0.35); }

/* =============== SCROLL-TRIGGERED =============== */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity .8s, transform .8s;}
.reveal.in { opacity: 1; transform: none;}
/* Hero title block should never hide on load — reveal via initial state, but fail-safe to visible */
.hero-title-block.reveal { opacity: 1; transform: none; }

/* =============== UTIL =============== */
.red-text { color: var(--red); }
.mono { font-family: var(--font-mono); }
.display { font-family: var(--font-display); }

/* =============== TWEAKS PANEL =============== */
.tweaks-panel {
  position: fixed; bottom: 20px; right: 20px; z-index: 200;
  background: var(--bg-2); border: 1px solid var(--line-strong); padding: 20px;
  width: 280px; box-shadow: 0 20px 50px rgba(0,0,0,0.5);
  display: none; border-radius: 4px;
}
.tweaks-panel.show { display: block; }
.tweaks-panel h4 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.2em; color: var(--text-mute); font-family: var(--font-mono); font-weight: 500; margin-bottom: 14px;}
.tweaks-panel .t-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-top: 1px solid var(--line);}
.tweaks-panel .t-row label { font-size: 12px;}
.tweaks-panel .t-btns { display: flex; gap: 4px;}
.tweaks-panel .t-btns button { padding: 4px 8px; font-size: 10px; border: 1px solid var(--line-strong); border-radius: 2px; color: var(--text-dim); font-family: var(--font-mono); letter-spacing: 0.1em;}
.tweaks-panel .t-btns button.on { background: var(--red); border-color: var(--red); color: white; }

/* =============== SECTION BACKGROUND IMAGES =============== */
/* 일부 섹션에 이미지 배경 + 어두운 오버레이. PC/모바일 공통. */
section#services,
section#network,
section#cases,
section#pilot,
section#column,
section#contact {
  background-color: #0a0a0b;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
section#services {
  background-image:
    linear-gradient(rgba(10,10,11,0.64), rgba(10,10,11,0.64)),
    url('images/bg/section-bg-1.png');
}
section#network {
  background-image:
    linear-gradient(rgba(10,10,11,0.64), rgba(10,10,11,0.64)),
    url('images/bg/section-bg-2.png?v=2');
}
section#cases {
  background-image:
    linear-gradient(rgba(10,10,11,0.64), rgba(10,10,11,0.64)),
    url('images/bg/section-bg-3.png');
}
section#pilot {
  background-image:
    linear-gradient(rgba(10,10,11,0.64), rgba(10,10,11,0.64)),
    url('images/bg/section-bg-4.png');
}
section#column {
  background-image:
    linear-gradient(rgba(10,10,11,0.64), rgba(10,10,11,0.64)),
    url('images/bg/section-bg-5.png');
}
section#contact {
  background-image:
    linear-gradient(rgba(10,10,11,0.64), rgba(10,10,11,0.64)),
    url('images/bg/section-bg-6.png');
}

/* =============== PLATFORM MARQUEE (네트워크 SNS) =============== */
.platform-row .p-list {
  display: block;
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(90deg, transparent 0, #000 40px, #000 calc(100% - 40px), transparent 100%);
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 40px, #000 calc(100% - 40px), transparent 100%);
}
.platform-row .p-track {
  display: flex;
  gap: 36px;
  align-items: center;
  width: max-content;
  animation: platform-marquee 28s linear infinite;
  transform: translateY(10px);
}
.platform-row:hover .p-track { animation-play-state: paused; }
@keyframes platform-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================================
   NAV — "칼럼" link violet-blue neon glow
   ============================================================ */
.nav-links a[data-n="column"],
.mobile-menu-links a[data-n="column"] {
  color: #b49cff;
  text-shadow:
    0 0 6px rgba(155, 124, 255, 0.85),
    0 0 14px rgba(120, 130, 255, 0.55),
    0 0 28px rgba(90, 110, 255, 0.35);
  animation: column-neon-pulse 2.6s ease-in-out infinite;
}
.nav-links a[data-n="column"]:hover,
.mobile-menu-links a[data-n="column"]:hover {
  color: #d5c5ff;
}
/* Keep red underline for active state hidden on column link to avoid clash */
.nav-links a[data-n="column"]::after { background: #8e7dff; box-shadow: 0 0 10px rgba(155,124,255,0.6); }

@keyframes column-neon-pulse {
  0%, 100% {
    text-shadow:
      0 0 5px rgba(155, 124, 255, 0.72),
      0 0 12px rgba(120, 130, 255, 0.45),
      0 0 22px rgba(90, 110, 255, 0.28);
  }
  50% {
    text-shadow:
      0 0 9px rgba(180, 156, 255, 1),
      0 0 18px rgba(140, 150, 255, 0.72),
      0 0 34px rgba(110, 130, 255, 0.5);
  }
}

/* ============================================================
   STICKY INSIGHT BAR — big red bar, same look on PC and mobile.
   Appears while #aggregate is in viewport.
   ============================================================ */
.stick-bar {
  position: fixed; left: 0; right: 0; bottom: 0;
  z-index: 60;
  display: flex; justify-content: center; align-items: center;
  padding: 22px 40px;
  background: #E63946;
  box-shadow:
    0 -14px 40px rgba(230, 57, 70, 0.28),
    0 -2px 0 rgba(255, 255, 255, 0.08) inset;
  transform: translateY(105%);
  opacity: 0;
  transition: transform 380ms cubic-bezier(.16,.8,.32,1),
              opacity  260ms ease;
  pointer-events: none;
}
.stick-bar.show { transform: none; opacity: 1; pointer-events: auto; }
.stick-bar[hidden] { display: none; }
.stick-bar__cta {
  display: inline-flex; align-items: center; gap: 20px;
  color: #ffffff; text-decoration: none;
  font-family: var(--font-kr);
  font-size: clamp(22px, 4.4vw, 41px);
  font-weight: 700;
  letter-spacing: -0.028em;
  line-height: 1.1;
  padding: 0;
  text-align: center;
  transition: transform 160ms ease;
}
.stick-bar__cta:hover { transform: translateY(-2px); }
.stick-bar__cta::before {
  content: '';
  width: 12px; height: 12px; border-radius: 50%;
  background: #ffffff;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.9);
  animation: sb-pulse 1.6s ease-in-out infinite;
  flex-shrink: 0;
}
.stick-bar__cta .arrow {
  color: #ffffff;
  font-size: inherit;
  font-weight: 700;
}
@keyframes sb-pulse { 50% { transform: scale(1.35); opacity: 0.6; } }

@media (max-width: 600px) {
  .stick-bar { padding: 16px 18px; }
  .stick-bar__cta { gap: 12px; }
  .stick-bar__cta::before { width: 9px; height: 9px; }
}