/* ============================================================
   DEEP MOVEMENT Homepage — Apple/Tesla-inspired Dark Cinematic
   ============================================================ */

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --text-primary: #f5f5f7;
  --text-secondary: rgba(245, 245, 247, 0.6);
  --text-muted: rgba(245, 245, 247, 0.35);
  --accent: #e77500;
  --accent-hover: #ff8c1a;
  --divider: rgba(255, 255, 255, 0.08);
  --font-sans: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
  --font-serif: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif;
  --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --max-width: 1200px;
  --section-padding: 160px 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.7;
  letter-spacing: -0.01em;
  font-size: 16px;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

/* ============================================================
   Navigation
   ============================================================ */
.gnb {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 48px;
  height: 64px;
  display: flex;
  align-items: center;
  transition: background 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}

.gnb.scrolled {
  background: rgba(231, 117, 0, 0.55);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.08);
}

.gnb.scrolled .gnb-link {
  color: rgba(255, 255, 255, 0.75);
}

.gnb.scrolled .gnb-link:hover,
.gnb.scrolled .gnb-link.active {
  color: #fff;
}

.gnb.scrolled .gnb-link-cta {
  color: #fff !important;
}

.gnb.scrolled .gnb-logo {
  color: #fff;
}

/* Active page highlight */
.gnb-link.active {
  color: var(--text-primary);
  font-weight: 500;
}

.gnb-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.gnb-logo {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--text-primary);
  white-space: nowrap;
}

.gnb-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.gnb-link {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-secondary);
  transition: color 0.2s;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.gnb-link:hover {
  color: var(--text-primary);
}

.gnb-link-cta {
  color: var(--accent) !important;
  font-weight: 600;
}

.gnb-link-my {
  background: #e77500 !important;
  color: #fff !important;
  padding: 5px 12px !important;
  border-radius: 6px;
  font-size: 11px !important;
  font-weight: 700;
  letter-spacing: 0.1em;
  transition: background 0.2s;
}
.gnb-link-my:hover {
  background: #ff8c1a !important;
  color: #fff !important;
}

/* Mobile menu button (서브스냅과 통일) */
.menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-btn span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text-primary);
  transition: transform 0.3s, opacity 0.3s;
}

.menu-btn.active span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.menu-btn.active span:nth-child(2) { opacity: 0; }
.menu-btn.active span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(10, 10, 10, 0.97);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: auto;
}

.mobile-link {
  font-size: 20px;
  color: var(--text-secondary);
  letter-spacing: 1px;
  text-decoration: none;
  transition: color 0.2s;
}

.mobile-link.active {
  color: var(--text-primary);
}

.mobile-link-cta {
  color: var(--accent) !important;
}

.mobile-link-my {
  display: inline-block !important;
  background: #e77500;
  color: #fff !important;
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-align: center;
  margin-top: 8px;
  border-bottom: none;
}
.mobile-link-my:hover {
  background: #ff8c1a;
  color: #fff !important;
}

.mobile-link:hover {
  color: var(--text-primary);
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-video-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 110vw;
  height: 110vh;
  transform: translate(-50%, -50%);
  pointer-events: none;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 10, 10, 0.3) 0%,
    rgba(10, 10, 10, 0.15) 40%,
    rgba(10, 10, 10, 0.4) 70%,
    rgba(10, 10, 10, 0.9) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 24px;
  max-width: 800px;
}

.hero-sub {
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 32px;
  font-weight: 500;
}

.hero-title {
  font-size: clamp(30px, 5vw, 52px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
}

.hero-line {
  display: block;
  margin-bottom: 2px;
}

.hero-accent {
  color: var(--accent);
  font-weight: 600;
}

.hero-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  letter-spacing: -0.01em;
  margin-bottom: 40px;
}

.hero-cta {
  display: inline-block;
  padding: 16px 48px;
  background: var(--accent);
  color: #0a0a0a;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border-radius: 0;
  transition: background 0.3s, transform 0.2s;
}

.hero-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.hero-scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.hero-scroll-indicator span {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--text-muted), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ============================================================
   Shared Section Styles
   ============================================================ */
.section {
  padding: var(--section-padding);
  position: relative;
}

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 48px;
}

.section-inner.narrow {
  max-width: 880px;
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  text-align: center;
}

.section-title.serif {
  font-family: var(--font-serif);
}

.section-subtitle {
  font-size: 15px;
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 48px;
}

.section-text {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.7;
  letter-spacing: -0.01em;
  text-align: center;
  margin-bottom: 20px;
}

.section-text:last-child {
  margin-bottom: 0;
}

/* ============================================================
   Reveal Animation
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ============================================================
   Brand Section
   ============================================================ */
.section-brand {
  padding: 200px 0;
}

.brand-badge {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--accent);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 500;
}

.brand-divider {
  width: 40px;
  height: 1px;
  background: var(--accent);
  margin: 40px auto;
  opacity: 0.5;
}

/* ============================================================
   Rebrand Section
   ============================================================ */
.section-rebrand {
  padding: 80px 0;
}

.rebrand-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 36px 32px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--divider);
  border-radius: 12px;
  text-align: center;
  margin-bottom: 48px;
}

.rebrand-logo {
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  border-radius: 12px;
}

.rebrand-text {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ============================================================
   Director Notice (features 섹션 내부 배치)
   ============================================================ */
.director-notice {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  line-height: 2;
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================================
   Cinematic Video (between Director & Features)
   ============================================================ */
.section-cinematic-video {
  padding: 0;
  position: relative;
  width: 100%;
  height: 80vh;
  min-height: 500px;
  overflow: hidden;
}

.cinematic-video-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.cinematic-video-iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 110vw;
  height: 110vh;
  transform: translate(-50%, -50%);
  pointer-events: none;
  object-fit: cover;
}

/* ============================================================
   Features Section
   ============================================================ */
.section-features {
  padding: 160px 0 120px;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-elevated) 50%, var(--bg) 100%);
}

.features-grid {
  display: flex;
  flex-direction: column;
  gap: 120px;
  margin-top: 80px;
}

.feature-card {
  max-width: 900px;
  margin: 0 auto;
}

.feature-number {
  font-size: 48px;
  font-weight: 200;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
  opacity: 0.6;
}

.feature-title {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

.feature-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-bottom: 32px;
  overflow: hidden;
}

.feature-images img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.feature-images img:hover {
  transform: scale(1.03);
}

.feature-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}

.feature-desc-sub {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  letter-spacing: -0.01em;
}

.feature-note {
  font-size: 12px;
  color: var(--accent);
  margin-top: 16px;
  opacity: 0.8;
}

/* ============================================================
   Emotion Section
   ============================================================ */
.section-emotion {
  padding: 160px 0 80px;
  background: var(--bg);
}

/* ============================================================
   Booking CTA Section (Slim — no card/box)
   ============================================================ */
.section-booking-cta-slim {
  padding: 48px 0 80px;
  text-align: center;
}

.booking-slim-text {
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.booking-slim-sub {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  letter-spacing: -0.01em;
  margin-bottom: 32px;
}

.booking-slim-cta {
  margin-top: 0;
}

/* Buttons */
.btn-primary {
  display: inline-block;
  padding: 16px 48px;
  background: var(--accent);
  color: #0a0a0a;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.05em;
  border: none;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.btn-primary.btn-full {
  display: block;
  width: 100%;
  text-align: center;
  margin-top: 32px;
}

.btn-secondary {
  display: inline-block;
  padding: 14px 40px;
  background: transparent;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  border: 1px solid var(--divider);
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(200, 169, 126, 0.05);
}

/* ============================================================
   Showreel Section
   ============================================================ */
.section-showreel {
  padding: 120px 0;
  background: var(--bg-elevated);
}

.showreel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 16px;
}

.video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background: #000;
}

.video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

/* ============================================================
   Pricing Section
   ============================================================ */
.section-pricing {
  padding: 120px 0 160px;
}

.pricing-notices {
  max-width: 700px;
  margin: 0 auto 64px;
  text-align: center;
}

.pricing-notices p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.8;
}

.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--bg-elevated);
  border: 1px solid var(--divider);
  border-radius: 16px;
  padding: 48px 36px;
  position: relative;
  overflow: hidden;
  text-align: center;
}

.pricing-badge {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 6px 16px;
  background: rgba(200, 169, 126, 0.15);
  color: var(--accent);
  margin-bottom: 24px;
  font-weight: 500;
}

.badge-coming {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
}

.pricing-name {
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 4px;
  color: var(--accent);
  margin-bottom: 8px;
}

.pricing-crew {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
}

.pricing-price {
  font-size: 36px;
  font-weight: 200;
  line-height: 1;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.pricing-unit {
  font-size: 16px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-left: 4px;
}

.pricing-divider {
  width: 100%;
  height: 1px;
  background: var(--divider);
  margin: 28px 0;
}

.pricing-includes {
  list-style: none;
  margin-bottom: 0;
  text-align: left;
  max-width: 560px;
  margin: 0 auto;
}

.pricing-includes li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 0;
  padding-left: 16px;
  position: relative;
  line-height: 1.6;
}

.pricing-includes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 13px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

.pricing-option-title {
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 16px;
  font-weight: 500;
}

.pricing-options {
  list-style: none;
}

.pricing-options li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 6px 0;
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid var(--divider);
  line-height: 1.6;
}

.pricing-options li:last-child {
  border-bottom: none;
}

.pricing-options li strong {
  color: var(--text-primary);
  font-weight: 500;
  white-space: nowrap;
  margin-left: 16px;
}

.pricing-deep-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.pricing-card-coming {
  opacity: 0.4;
  background: #0d0d0d;
  border-color: rgba(255, 255, 255, 0.04);
}

.pricing-coming-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 10, 0.5);
  pointer-events: none;
}

.pricing-coming-overlay span {
  font-size: 24px;
  letter-spacing: 0.3em;
  font-weight: 300;
  color: var(--text-muted);
  border: 1px solid var(--text-muted);
  padding: 12px 32px;
}

/* ============================================================
   Details Section
   ============================================================ */
.section-details {
  padding: 80px 0 120px;
}

.details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.detail-block {
  padding: 32px;
  background: var(--bg-elevated);
  border: 1px solid var(--divider);
}

.detail-title {
  font-size: 14px;
  letter-spacing: 0.05em;
  margin-bottom: 20px;
  color: var(--text-primary);
  font-weight: 500;
}

.detail-list {
  list-style: none;
}

.detail-list li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--divider);
  line-height: 1.6;
}

.detail-list li:last-child {
  border-bottom: none;
}

/* ============================================================
   Portfolio Gallery
   ============================================================ */
.section-portfolio {
  padding: 160px 0;
  background: var(--bg-elevated);
}

.portfolio-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 3/4;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.portfolio-item:hover img {
  transform: scale(1.05);
}

.portfolio-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 24px 16px 16px;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-size: 12px;
  opacity: 0;
  transition: opacity 0.3s;
}

.portfolio-item:hover .portfolio-info {
  opacity: 1;
}

.portfolio-tag {
  color: var(--accent);
  font-size: 11px;
}

/* ============================================================
   USB Section
   ============================================================ */
.section-usb {
  padding: 120px 0;
}

.usb-card {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 0;
  background: var(--bg-elevated);
  border: 1px solid var(--divider);
  overflow: hidden;
}

.usb-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.usb-images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 300px;
}

.usb-text {
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.usb-title {
  font-size: 24px;
  font-weight: 300;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.usb-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ============================================================
   Sub-snap Section
   ============================================================ */
.section-subsnap {
  padding: 160px 0 80px;
  text-align: center;
}

.subsnap-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
  max-width: 1000px;
  margin: 48px auto 0;
  padding: 0 24px;
}

.subsnap-gallery img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  display: block;
  border-radius: 6px;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

.subsnap-gallery img:hover {
  opacity: 0.9;
  transform: scale(1.02);
}

.subsnap-cta {
  text-align: center;
  margin-top: 48px;
  padding: 0 48px;
}

/* ============================================================
   SNS Section
   ============================================================ */
.section-sns {
  padding: 80px 0;
  text-align: center;
}

.sns-title {
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  margin-bottom: 24px;
  font-weight: 500;
}

.sns-links {
  display: flex;
  justify-content: center;
  gap: 40px;
}

.sns-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-secondary);
  font-size: 14px;
  transition: color 0.2s;
}

.sns-link:hover {
  color: var(--text-primary);
}

.sns-icon {
  display: flex;
  align-items: center;
  opacity: 0.6;
}

/* ============================================================
   Contact Section
   ============================================================ */
.section-contact {
  padding: 120px 0 160px;
  background: var(--bg-elevated);
  text-align: center;
}

.contact-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 48px;
}

.contact-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 48px 32px;
  border: 1px solid var(--divider);
  background: var(--bg-card);
  transition: border-color 0.3s;
}

.contact-card:hover {
  border-color: var(--accent);
}

.contact-label {
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.contact-value {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 8px;
}

.contact-note {
  font-size: 12px;
  color: var(--text-muted);
}

/* ============================================================
   Footer
   ============================================================ */
.footer {
  padding: 60px 48px;
  border-top: 1px solid var(--divider);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.footer-logo {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 16px;
}

.footer-copyright {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.8;
}

.footer-sns {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.footer-sns a {
  font-size: 12px;
  color: var(--text-muted);
  transition: color 0.2s;
}

.footer-sns a:hover {
  color: var(--text-secondary);
}

/* ============================================================
   Responsive — Tablet
   ============================================================ */
@media (max-width: 1024px) {
  :root {
    --section-padding: 120px 0;
  }

  .section-inner { padding: 0 32px; }
  .gnb { padding: 0 32px; }
  .footer { padding: 60px 32px; }

  .features-grid { gap: 80px; }
  .feature-images img { height: 240px; }

  .pricing-grid { gap: 16px; }
  .pricing-card { padding: 36px 28px; }

  .showreel-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .usb-card {
    grid-template-columns: 1fr;
  }

  .usb-images {
    min-height: 200px;
  }

  .reviews-masonry {
    column-count: 2;
    column-gap: 12px;
    padding: 0 32px;
  }

  .subsnap-gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ============================================================
   Responsive — Mobile
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --section-padding: 80px 0;
  }

  .section-inner { padding: 0 24px; }
  .gnb { padding: 0 24px; }
  .footer { padding: 40px 24px; }

  .gnb-links { display: none; }
  .menu-btn { display: flex; }
  .mobile-menu { display: flex; }

  .hero-title {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 14px;
  }

  .hero-cta {
    padding: 14px 36px;
  }

  .section-title {
    font-size: 24px;
  }

  .section-brand {
    padding: 120px 0;
  }

  .rebrand-card {
    padding: 28px 20px;
  }

  .rebrand-logo {
    width: 48px;
    height: 48px;
  }

  .feature-images {
    grid-template-columns: 1fr;
  }

  .feature-images img {
    height: 220px;
  }

  .reviews-masonry {
    column-count: 2;
    column-gap: 10px;
    padding: 0 16px;
  }

  .imessage-bubble {
    margin-bottom: 10px;
    border-radius: 16px;
    padding: 3px;
  }

  .imessage-bubble img {
    border-radius: 13px;
  }

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

  .subsnap-cta {
    margin-top: 32px;
    padding: 0 24px;
  }

  .booking-slim-text {
    font-size: 16px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .pricing-price {
    font-size: 28px;
  }

  .details-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .portfolio-info {
    opacity: 1;
  }

  .usb-images {
    grid-template-columns: 1fr;
  }

  .usb-images img {
    min-height: 200px;
  }

  .usb-images img:nth-child(2),
  .usb-images img:nth-child(3) {
    display: none;
  }

  .usb-text {
    padding: 32px 24px;
  }

  .sns-links {
    flex-direction: column;
    gap: 16px;
  }

  .contact-methods {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 32px;
  }

  .footer-sns {
    align-items: flex-start;
  }
}

/* ============================================================
   Side Scroll Navigation (우측 점 네비게이션)
   ============================================================ */
.side-nav {
  position: fixed;
  right: 28px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 80;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 20px;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.side-nav.visible {
  opacity: 1;
}

.side-nav-dot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  text-decoration: none;
  cursor: pointer;
  padding: 4px 0;
}

.side-nav-dot::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.18);
  transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  flex-shrink: 0;
}

.side-nav-dot:hover::after {
  background: rgba(255, 255, 255, 0.4);
  transform: scale(1.3);
}

.side-nav-dot.active::after {
  background: var(--accent);
  transform: scale(1.5);
  box-shadow: 0 0 10px rgba(231, 117, 0, 0.35);
}

.side-nav-label {
  position: absolute;
  right: 20px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.5px;
  white-space: nowrap;
  opacity: 0;
  transform: translateX(4px);
  transition: opacity 0.25s ease, transform 0.25s ease;
  pointer-events: none;
}

.side-nav-dot:hover .side-nav-label {
  opacity: 1;
  transform: translateX(0);
}

/* ============================================================
   Scroll-to-top Button
   ============================================================ */
.scroll-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 89;
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  color: rgba(255, 255, 255, 0.5);
  padding: 10px 18px;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
  font-family: var(--font-sans);
  letter-spacing: 0.5px;
  cursor: pointer;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.4s ease, background 0.2s ease, color 0.2s ease;
}

.scroll-top-btn.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.scroll-top-btn:hover {
  background: rgba(255, 255, 255, 0.14);
  color: rgba(255, 255, 255, 0.8);
}

.scroll-top-btn svg {
  flex-shrink: 0;
}

/* ============================================================
   Scrollbar
   ============================================================ */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ============================================================
   Feature Block Layout
   ============================================================ */
.feature-block {
  margin-bottom: 120px;
}

.feature-block:last-child {
  margin-bottom: 0;
}

.feature-header {
  margin-bottom: 32px;
}

.feature-text {
  margin-top: 32px;
}

.feature-video-embed {
  margin-top: 0;
}

.feature-video-embed .video-embed {
  max-width: 960px;
  margin: 0 auto;
}

/* ============================================================
   Carousel — Full-width, arrow navigation
   ============================================================ */
.feature-carousel,
.reviews-carousel {
  position: relative;
  overflow: hidden;
  width: 100%;
}

.carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  will-change: transform;
}

.carousel-slide {
  flex: 0 0 100%;
  width: 100%;
}

.carousel-slide img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  display: block;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border: none;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  transition: background 0.2s;
  border-radius: 50%;
}

.carousel-btn:hover {
  background: rgba(0, 0, 0, 0.8);
}

.carousel-prev {
  left: 16px;
}

.carousel-next {
  right: 16px;
}

/* ============================================================
   Reviews Section — iMessage Style Masonry
   ============================================================ */
.section-reviews {
  padding: 40px 0 120px;
}

.reviews-masonry {
  column-count: 3;
  column-gap: 14px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 48px;
}

.imessage-bubble {
  break-inside: avoid;
  margin-bottom: 14px;
  border-radius: 20px;
  overflow: hidden;
  background: #1c1c1e;
  padding: 4px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.imessage-bubble:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.imessage-bubble img {
  width: 100%;
  display: block;
  border-radius: 16px;
}

.reviews-caption {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 48px;
  letter-spacing: -0.01em;
}

/* ============================================================
   FAQ Accordion
   ============================================================ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--divider);
}

.faq-item:first-child {
  border-top: 1px solid var(--divider);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 0;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 400;
  cursor: pointer;
  text-align: left;
  line-height: 1.6;
  font-family: var(--font-sans);
  transition: color 0.2s;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-arrow {
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 0 24px;
}

.faq-answer p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 12px;
}

.faq-answer p:last-child {
  margin-bottom: 0;
}

.faq-answer ul {
  list-style: none;
  margin: 12px 0;
}

.faq-answer ul li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 0 4px 16px;
  position: relative;
  line-height: 1.6;
}

.faq-answer ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.5;
}

/* ============================================================
   Portfolio Card Grid (BIFF-style)
   ============================================================ */
.portfolio-card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}

.portfolio-card {
  background: var(--bg-card);
  border: 1px solid var(--divider);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
  text-decoration: none;
  display: block;
}

.portfolio-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.5);
}

.portfolio-card-thumb {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.portfolio-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-card:hover .portfolio-card-thumb img {
  transform: scale(1.05);
}

.portfolio-card-play {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, transform 0.2s;
}

.portfolio-card:hover .portfolio-card-play {
  background: var(--accent);
  transform: scale(1.1);
}

.portfolio-card-play svg {
  width: 14px;
  height: 14px;
  fill: #fff;
  margin-left: 2px;
}

.portfolio-card-body {
  padding: 16px;
}

.portfolio-card-category {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  font-weight: 500;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.portfolio-card-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================================
   Video Lightbox
   ============================================================ */
.video-lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.video-lightbox.active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.lightbox-container {
  position: relative;
  width: 90%;
  max-width: 960px;
  z-index: 1;
}

.lightbox-close {
  position: absolute;
  top: -44px;
  right: 0;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.lightbox-close:hover {
  opacity: 1;
}

.lightbox-video {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  background: #000;
  border-radius: 12px 12px 0 0;
  overflow: hidden;
}

.lightbox-video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.lightbox-cta-bar {
  background: var(--accent);
  padding: 14px 24px;
  border-radius: 0 0 12px 12px;
  text-align: center;
}

.lightbox-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #FEE500;
  color: #191919;
  padding: 10px 28px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}

.lightbox-cta-btn:hover {
  background: #fdd835;
  transform: translateY(-1px);
}

.lightbox-cta-btn svg {
  flex-shrink: 0;
}

/* ============================================================
   Subsnap Gallery Stagger Animation (homepage)
   ============================================================ */
.subsnap-gallery img.stagger-hidden {
  opacity: 0;
  transform: translateY(24px) scale(0.97);
}

.subsnap-gallery img.stagger-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ============================================================
   Contact — Kakao Button
   ============================================================ */
.contact-kakao {
  text-align: center;
  margin-top: 48px;
}

.kakao-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 18px 48px;
  background: #FEE500;
  color: #191919;
  font-size: 16px;
  font-weight: 600;
  border-radius: 8px;
  transition: background 0.2s, transform 0.2s;
}

.kakao-btn:hover {
  background: #fdd835;
  transform: translateY(-2px);
}

.kakao-btn svg {
  flex-shrink: 0;
}

.contact-kakao-note {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 16px;
}

/* ============================================================
   Kakao Floating Chat Button
   ============================================================ */
.kakao-floating-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #FEE500;
  color: #191919;
  padding: 12px 20px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: opacity 0.4s ease, transform 0.4s ease, box-shadow 0.2s ease;
  opacity: 1;
  transform: translateY(0);
}

.kakao-floating-btn:hover {
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.55);
  transform: translateY(-2px);
}

.kakao-floating-btn.hidden {
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
}

.kakao-floating-btn svg {
  flex-shrink: 0;
}

/* ============================================================
   Responsive Additions
   ============================================================ */
@media (max-width: 1024px) {
  .carousel-slide img {
    height: 380px;
  }

  .portfolio-card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .carousel-slide img {
    height: 260px;
  }

  .carousel-btn {
    width: 36px;
    height: 36px;
  }

  .carousel-prev {
    left: 8px;
  }

  .carousel-next {
    right: 8px;
  }

  .portfolio-card-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .kakao-btn {
    padding: 16px 32px;
    font-size: 15px;
  }

  .feature-block {
    margin-bottom: 80px;
  }

  .side-nav {
    display: none;
  }

  .lightbox-container {
    width: 95%;
  }

  .lightbox-close {
    top: -40px;
  }

  .lightbox-cta-btn {
    font-size: 13px;
    padding: 10px 24px;
  }
}