/* ===========================
   더디케이아트 — 프리미엄 다크 스타일
   블랙 베이스 + 시안 네온 포인트
   =========================== */

:root {
  --bg: #080808;
  --bg-2: #0f0f0f;
  --bg-3: #181818;
  --cyan: #00d4ff;
  --cyan-dim: rgba(0, 212, 255, 0.15);
  --cyan-glow: rgba(0, 212, 255, 0.4);
  --white: #ffffff;
  --gray-1: #e8e8e8;
  --gray-2: #ffffff;
  --gray-3: #444444;
  --gray-4: #222222;
  --max-w: 1100px;
  --radius: 3px;
  --transition: 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--gray-1);
  font-family: 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===========================
   헤더
   =========================== */

.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px 0;
  transition: background var(--transition), padding var(--transition);
}

.site-header.scrolled {
  background: rgba(8, 8, 8, 0.96);
  backdrop-filter: blur(16px);
  padding: 12px 0;
  border-bottom: 1px solid var(--gray-4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo { display: flex; flex-direction: column; line-height: 1.1; }
.logo-main { font-size: 17px; font-weight: 700; color: var(--white); letter-spacing: -0.5px; }
.logo-sub { font-size: 9px; font-weight: 400; color: var(--cyan); letter-spacing: 3px; }

.site-nav { display: flex; align-items: center; gap: 28px; }

.site-nav a {
  font-size: 13px;
  font-weight: 400;
  color: var(--gray-2);
  letter-spacing: 0.5px;
  transition: color var(--transition);
  white-space: nowrap;
}

.site-nav a:hover { color: var(--white); }

.site-nav .nav-cta {
  padding: 8px 20px;
  border: 1px solid var(--cyan);
  color: var(--cyan);
  border-radius: var(--radius);
  font-size: 12px;
  letter-spacing: 1px;
  transition: background var(--transition), color var(--transition);
}

.site-nav .nav-cta:hover {
  background: var(--cyan);
  color: var(--bg);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  z-index: 110;
  position: relative;
}

.nav-toggle span {
  display: block; width: 24px; height: 1.5px;
  background: var(--white); transition: var(--transition);
}

/* ===========================
   공통
   =========================== */

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--cyan);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  margin-bottom: 32px;
}

.btn {
  display: inline-block;
  padding: 13px 30px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.5px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.btn-cyan { background: var(--cyan); color: var(--bg); }
.btn-cyan:hover { background: #33ddff; }

.btn-outline { border: 1px solid var(--gray-3); color: var(--gray-1); }
.btn-outline:hover { border-color: var(--white); color: var(--white); }

.btn-full { display: block; width: 100%; text-align: center; }

/* ===========================
   히어로
   =========================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-photo {
  position: absolute;
  top: 0; right: 0;
  width: 52%;
  height: 100%;
  z-index: 0;
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
}

.hero-photo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to right,
    #080808 0%,
    rgba(8,8,8,0.7) 40%,
    rgba(8,8,8,0.1) 100%
  );
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 80% at 60% 40%, rgba(0, 212, 255, 0.05) 0%, transparent 65%),
    radial-gradient(ellipse 40% 50% at 10% 90%, rgba(0, 212, 255, 0.03) 0%, transparent 60%),
    linear-gradient(180deg, #080808 0%, #0a0a12 100%);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-inner {
  position: relative;
  padding: 120px 0 80px;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
}

.hero-text {
  padding-right: 40px;
}

.hero-eyebrow {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 4px;
  color: var(--cyan);
  margin-bottom: 20px;
}

.hero-title {
  font-size: clamp(38px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--white);
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}

.hero-title em {
  font-style: normal;
  color: var(--cyan);
  text-shadow: 0 0 40px var(--cyan-glow);
}

.hero-desc {
  font-size: 17px;
  color: var(--gray-2);
  line-height: 1.8;
  margin-bottom: 40px;
}


.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-lineup {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--gray-2);
  margin-bottom: 28px;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--gray-3);
  font-size: 10px;
  letter-spacing: 3px;
}

.scroll-line {
  width: 1px; height: 40px;
  background: linear-gradient(to bottom, var(--gray-3), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.8; }
}

/* ===========================
   소개
   =========================== */

.about {
  padding: 100px 0;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}

.about-bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.about-bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: grayscale(70%) brightness(0.55) contrast(1.1);
}

.about-bg-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.6);
}

.about .container {
  position: relative;
  z-index: 1;
}

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.about-desc {
  font-size: 15px;
  color: var(--white);
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-media {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.media-badge {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 5px 14px;
  border-radius: 20px;
}

/* 타임라인 */
.about-timeline { padding-top: 4px; }

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 54px;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--gray-4);
}

.tl-item {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 14px 0;
  position: relative;
}

.tl-item::after {
  content: '';
  position: absolute;
  left: 50px;
  top: 21px;
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--gray-3);
  border: 1px solid var(--gray-4);
  z-index: 1;
}

.tl-item--now::after {
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan-glow);
  border-color: var(--cyan);
}

.tl-year {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  width: 40px;
  flex-shrink: 0;
  padding-top: 2px;
  text-align: right;
}

.tl-item--now .tl-year { color: var(--cyan); }

.tl-item p {
  font-size: 14px;
  color: var(--white);
  padding-left: 20px;
  line-height: 1.5;
}

/* ===========================
   VIDEO
   =========================== */

.video-section {
  padding: 100px 0;
  background: var(--bg);
}

.video-page {
  padding: 140px 0 100px;
  background: var(--bg);
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

.video-page-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.video-page-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: grayscale(60%) brightness(1.2) contrast(1.05);
}

.video-page-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 8, 0.6);
}

.video-page .container {
  position: relative;
  z-index: 1;
}

.video-page-header {
  text-align: center;
  margin-bottom: 60px;
}

.video-page-desc {
  font-size: 15px;
  color: var(--gray-2);
  margin-top: -16px;
}

.nav-active {
  color: var(--cyan) !important;
}

.video-card--empty {
  opacity: 0.4;
}

.video-wrap--empty {
  background: var(--bg-3);
  border: 1px dashed var(--gray-4);
  display: flex;
  align-items: center;
  justify-content: center;
}

.video-empty-inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.video-empty-num {
  font-size: 36px;
  font-weight: 800;
  color: var(--gray-4);
  line-height: 1;
  letter-spacing: -1px;
}

.video-empty-inner p {
  font-size: 12px;
  color: var(--gray-3);
  line-height: 1.6;
}

.video-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.video-card {
  background: var(--bg-3);
  border-radius: 8px;
  overflow: hidden;
  transition: transform var(--transition);
}

.video-card:hover {
  transform: translateY(-4px);
}

.video-wrap {
  position: relative;
  aspect-ratio: 16/9;
  width: 100%;
}

.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.video-info {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.video-tag {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--cyan);
}

.video-info p {
  font-size: 14px;
  color: var(--gray-2);
  line-height: 1.5;
}

@media (max-width: 640px) {
  .video-grid { grid-template-columns: 1fr; }
}

/* ===========================
   VR 3D 모델링 상세
   =========================== */

.vr-detail {
  background: rgba(0, 0, 0, 0.6);
  border-top: 1px solid var(--gray-4);
  padding: 72px 0;
  position: relative;
  z-index: 1;
}

.vr-detail-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 64px;
  align-items: center;
}

.vr-main-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 4px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.vr-detail-title {
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 28px;
  letter-spacing: -1px;
}

.vr-detail-title em {
  font-style: normal;
  color: var(--cyan);
}

.vr-detail-desc {
  font-size: 15px;
  color: var(--gray-2);
  line-height: 1.9;
  margin-bottom: 16px;
}

.vr-detail-photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.vr-photo {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.vr-photo img {
  width: 100%;
  aspect-ratio: 3/2;
  object-fit: cover;
  border-radius: 4px;
  display: block;
  transition: transform 0.3s ease;
}

.vr-photo:hover img {
  transform: scale(1.03);
}

.vr-photo span {
  font-size: 12px;
  color: var(--white);
  letter-spacing: 1px;
  text-align: center;
}

@media (max-width: 900px) {
  .vr-detail-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .vr-detail-photos {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
  }
}

/* ===========================
   공연 섹션 공통
   =========================== */

.performance {
  position: relative;
  padding: 100px 0;
  background: var(--bg);
  overflow: hidden;
}

.perf-section-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.perf-section-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: grayscale(60%) brightness(1) contrast(1.1);
}

#physical-ai .perf-section-bg img {
  filter: grayscale(60%) brightness(1.2) contrast(1.1);
}

#vr-drawing .perf-section-bg img {
  filter: grayscale(60%) brightness(1.5) contrast(1.05);
}

#vr-joseon .perf-section-bg img {
  filter: grayscale(30%) brightness(0.5) contrast(1.1);
}

.vr-joseon-photos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  height: 480px;
}

.vr-joseon-main-photo {
  height: 100%;
}

.vr-joseon-main-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
}

.vr-joseon-side-photos {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
}

.vr-joseon-side-photos .perf-img-real {
  flex: 1;
  min-height: 0;
}

.vr-joseon-side-photos .perf-img-real img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.perf-section-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 8, 0.6);
}

.performance .container {
  position: relative;
  z-index: 1;
}

.perf-badge {
  position: absolute;
  top: 0; left: 0;
  background: var(--cyan);
  color: var(--bg);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  padding: 8px 20px;
  z-index: 2;
}

.performance--dark {
  background: var(--bg-2);
}

.perf-badge--right {
  left: auto; right: 0;
}

.perf-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.perf-inner--reverse {
  direction: rtl;
}

.perf-inner--reverse > * {
  direction: ltr;
}

.perf-tagline {
  font-size: 17px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.6;
  margin-bottom: 20px;
}

.perf-desc {
  font-size: 14px;
  color: var(--white);
  line-height: 1.9;
  margin-bottom: 32px;
}

.perf-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 28px;
}

.feat {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feat-icon {
  color: var(--cyan);
  font-size: 14px;
  margin-top: 2px;
  flex-shrink: 0;
}

.feat strong {
  display: block;
  font-size: 14px;
  color: var(--white);
  margin-bottom: 2px;
}

.feat p {
  font-size: 13px;
  color: var(--gray-2);
  line-height: 1.5;
}

.perf-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.perf-tags span {
  font-size: 12px;
  color: var(--gray-2);
  border: 1px solid var(--gray-4);
  padding: 4px 12px;
  border-radius: 2px;
}

/* 비주얼 영역 */
.perf-visual {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.perf-img-placeholder {
  aspect-ratio: 4/3;
  background: var(--bg-3);
  border: 1px solid var(--gray-4);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}

.perf-img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,212,255,0.04) 0%, transparent 60%);
}

.perf-img-placeholder span {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--cyan);
  position: relative;
}

.perf-img-placeholder p {
  font-size: 12px;
  color: var(--gray-3);
  position: relative;
}

/* 미니 가격표 */
.perf-price-mini {
  background: var(--bg-3);
  border: 1px solid var(--gray-4);
  border-left: 2px solid var(--cyan);
  padding: 20px 24px;
  border-radius: var(--radius);
}

.price-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 12px;
}

.price-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--gray-4);
  font-size: 14px;
}

.price-row:last-child { border-bottom: none; }
.price-row span { color: var(--gray-2); }
.price-row strong { color: var(--white); font-weight: 700; }

/* 피지컬AI 하이라이트 */
.perf-highlight {
  background: var(--bg-3);
  border: 1px solid var(--gray-4);
  border-top: 2px solid var(--cyan);
  padding: 18px 24px;
  border-radius: var(--radius);
  font-size: 13px;
  color: var(--gray-2);
  line-height: 2;
}

/* AI 드로잉 플로우 */
.ai-flow {
  margin-bottom: 28px;
}

.flow-steps {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
  row-gap: 10px;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  background: var(--bg-3);
  border: 1px solid var(--gray-4);
  padding: 12px 16px;
  border-radius: var(--radius);
  min-width: 90px;
  text-align: center;
}

.flow-num {
  font-size: 18px;
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
}

.flow-label {
  font-size: 11px;
  color: var(--gray-2);
  letter-spacing: 0.3px;
}

.flow-arrow {
  font-size: 16px;
  color: var(--gray-3);
  padding: 0 6px;
  flex-shrink: 0;
}

/* 기술 뱃지 */
.perf-tech-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.perf-img-real {
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/3;
}

.perf-img-real img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.perf-img-real:hover img {
  transform: scale(1.03);
}

.perf-tech-badges span {
  font-size: 12px;
  font-weight: 600;
  color: var(--cyan);
  border: 1px solid rgba(0, 212, 255, 0.3);
  background: rgba(0, 212, 255, 0.05);
  padding: 6px 14px;
  border-radius: 2px;
  letter-spacing: 0.5px;
}

/* ===========================
   협업 이력
   =========================== */

.history {
  padding: 100px 0;
  background: var(--bg-2);
  position: relative;
  overflow: hidden;
}

.history-bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.history-bg-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  filter: grayscale(70%) brightness(0.55) contrast(1.1);
}

.history-bg-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.55);
}

.history .container {
  position: relative;
  z-index: 1;
}

.logo-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 12px;
}

.logo-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 20px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 3/2;
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}

.logo-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15);
}

.logo-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  filter: grayscale(20%);
  transition: filter var(--transition);
}

.logo-card:hover img {
  filter: grayscale(0%);
}

@media (max-width: 960px) {
  .logo-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 640px) {
  .logo-grid { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .logo-card { padding: 12px 10px; border-radius: 8px; }
}

.history-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 8px;
}

.hist-year-block {
  background: var(--bg-3);
  padding: 32px 28px;
  transition: background var(--transition);
}

.hist-year-block:hover { background: #1e1e1e; }

.hist-year {
  font-size: 28px;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: -1px;
  margin-bottom: 16px;
  line-height: 1;
}

.hist-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.hist-list li {
  font-size: 13px;
  color: var(--gray-2);
  line-height: 1.5;
  padding-left: 12px;
  position: relative;
}

.hist-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px; height: 1px;
  background: var(--cyan);
}

.hist-list li strong {
  color: var(--gray-1);
  font-weight: 600;
}

/* ===========================
   단가표
   =========================== */

.pricing {
  padding: 100px 0;
  background: var(--bg);
}

.pricing-note {
  text-align: center;
  font-size: 13px;
  color: var(--gray-3);
  margin-top: -20px;
  margin-bottom: 48px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.price-card {
  background: var(--bg-3);
  padding: 40px 32px;
  position: relative;
}

.price-card--featured {
  background: var(--bg-2);
  border-top: 2px solid var(--cyan);
}

.price-recommend {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--cyan);
  margin-bottom: 12px;
}

.price-tier {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--gray-3);
  margin-bottom: 12px;
}

.price-amount {
  font-size: 40px;
  font-weight: 800;
  color: var(--white);
  line-height: 1;
  margin-bottom: 4px;
  letter-spacing: -1px;
}

.price-amount span { font-size: 18px; color: var(--gray-2); font-weight: 400; }

.price-detail {
  font-size: 13px;
  color: var(--gray-2);
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--gray-4);
}

.price-includes {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.price-includes li {
  font-size: 13px;
  color: var(--gray-2);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.price-includes li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--cyan);
  font-size: 11px;
}

/* ===========================
   문의
   =========================== */

.contact {
  padding: 100px 0;
  background: var(--bg-2);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: start;
}

.contact-desc {
  font-size: 15px;
  color: var(--gray-2);
  line-height: 1.8;
  margin-bottom: 40px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-info-item { display: flex; flex-direction: column; gap: 4px; }

.contact-info-label {
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--cyan);
  font-weight: 700;
}

.contact-info-item a,
.contact-info-item span {
  font-size: 15px;
  color: var(--gray-1);
  transition: color var(--transition);
}

.contact-info-item a:hover { color: var(--cyan); }

.contact-form { display: flex; flex-direction: column; gap: 18px; }

.form-group { display: flex; flex-direction: column; gap: 7px; }

.form-group label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--gray-2);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-3);
  border: 1px solid var(--gray-4);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 15px;
  color: var(--white);
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray-3); }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--cyan); }

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M0 0l6 8 6-8z' fill='%23444'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  cursor: pointer;
}

.form-group select option { background: var(--bg-3); }

/* ===========================
   푸터
   =========================== */

.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--gray-4);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer-brand p { font-size: 12px; color: var(--gray-3); margin-top: 4px; }

.footer-nav { display: flex; gap: 28px; flex-wrap: wrap; justify-content: center; }

.footer-nav a { font-size: 13px; color: var(--gray-3); transition: color var(--transition); }
.footer-nav a:hover { color: var(--gray-2); }

.footer-copy { font-size: 12px; color: var(--gray-3); }

/* ===========================
   반응형
   =========================== */

@media (max-width: 960px) {
  .about-inner,
  .perf-inner,
  .perf-inner--reverse,
  .contact-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    direction: ltr;
  }

  .history-grid,
  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .flow-steps { gap: 4px; }
  .flow-step { min-width: 76px; padding: 10px 10px; }
  .flow-label { font-size: 10px; }
}

@media (max-width: 640px) {
  .nav-toggle { display: flex; }

  .site-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(8, 8, 8, 0.98);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 28px;
    z-index: 90;
  }

  .site-nav.open { display: flex; }
  .site-nav a { font-size: 20px; color: var(--white); }
  .site-nav .nav-cta { font-size: 16px; padding: 12px 36px; }

  .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4.5px, 4.5px); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4.5px, -4.5px); }

  .hero-inner { grid-template-columns: 1fr; }
  .hero-text { padding-right: 0; }
  .hero-photo { width: 100%; opacity: 0.25; }
  .hero-photo::after {
    background: linear-gradient(to bottom, rgba(8,8,8,0.4) 0%, #080808 85%);
  }
  .hero-stats { gap: 28px; }
  .hero-stat strong { font-size: 32px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }
  .hero-scroll { display: none; }

  .history-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .about, .performance, .history, .pricing, .contact { padding: 72px 0; }

  .flow-steps { flex-direction: column; align-items: flex-start; gap: 6px; }
  .flow-arrow { transform: rotate(90deg); }

  .perf-badge { font-size: 10px; padding: 6px 14px; }
}

/* ===========================
   애니메이션
   =========================== */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===========================
   회색 텍스트 → 화이트 일괄 변환
   =========================== */
.hero-scroll,
.video-empty-inner p,
.perf-img-placeholder p,
.hist-list li,
.contact-desc,
.contact-info-label,
.contact-info-item a,
.form-group label,
.footer-brand p,
.footer-nav a,
.footer-nav a:hover,
.footer-copy,
.perf-highlight p {
  color: var(--white);
}

/* ===========================
   스프레이 섹션
   =========================== */
#spray .perf-section-bg::after {
  display: none;
}

.spray-text-overlay {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(to right, rgba(8,8,8,0.82) 0%, rgba(8,8,8,0.55) 55%, transparent 100%);
}

.spray-fullwidth {
  grid-template-columns: 1fr !important;
  max-width: 560px;
}

/* ===========================
   블랙라이트 섹션
   =========================== */
#blacklight .perf-section-bg img {
  filter: grayscale(20%) brightness(1.3) contrast(1.1);
}

#blacklight .perf-img-real {
  aspect-ratio: 2/3;
}

/* ===========================
   SIGNATURE REFERENCES
   =========================== */
.sig-refs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 40px;
}

.sig-ref-card {
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 8px;
  padding: 28px 32px;
}

.sig-ref-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.sig-ref-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sig-ref-card ul li {
  font-size: 14px;
  color: var(--white);
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  line-height: 1.5;
}

.sig-ref-card ul li:last-child { border-bottom: none; }

/* 사진 플레이스홀더 */
.blacklight-placeholder,
.spray-placeholder {
  background: #0d0d1a;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed rgba(0,212,255,0.3);
  border-radius: 4px;
}

.blacklight-placeholder p,
.spray-placeholder p {
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 2px;
  text-align: center;
  opacity: 0.6;
  line-height: 2;
}

@media (max-width: 640px) {
  .sig-refs-grid { grid-template-columns: 1fr; }
}