/* ========================================
   메인 페이지 전용 스타일 - 시네마틱 테크 테마
   라이트 모드 기본 + 다크 모드 지원
   ======================================== */

/* ========================================
   애니메이션 키프레임
   ======================================== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.92); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ========================================
   Reveal 애니메이션 시스템
   ======================================== */
.reveal {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-reveal="up"] { transform: translateY(40px); }
.reveal[data-reveal="left"] { transform: translateX(-40px); }
.reveal[data-reveal="right"] { transform: translateX(40px); }
.reveal[data-reveal="scale"] { transform: scale(0.92); }

.reveal.revealed {
    opacity: 1;
    transform: translateY(0) translateX(0) scale(1);
}

@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ========================================
   Hero 섹션 (항상 다크 - 영상 배경)
   ======================================== */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: #0a0a0f;
    overflow: hidden;
    padding: var(--spacing-3xl) 0;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.video-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.video-bg iframe {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 213.33vh; /* 16:9 비율 × 120% 스케일 */
    height: 120vh;
    min-width: 120%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

@media (max-width: 767px) {
    .hero-bg { height: 120vh; }
    .video-bg { height: 120vh; }
    .video-bg iframe {
        width: 213.33vh;
        height: 120vh;
        min-width: 100%;
    }
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(255, 136, 0, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 191, 0, 0.1) 0%, transparent 50%),
        rgba(10, 10, 15, 0.78);
    z-index: 1;
}

.hero-content-centered {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Hero 로고 영역 */
.hero-logo-area {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0s both;
    overflow: visible;
}

.hero-logo {
    width: 180px;
    height: auto;
    filter: drop-shadow(0 8px 24px rgba(255, 136, 0, 0.25));
    animation: float 6s ease-in-out infinite;
    position: relative;
    z-index: 2;
}

.logo-glow {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255, 136, 0, 0.18) 0%, transparent 70%);
    filter: blur(30px);
    animation: pulse 3s ease-in-out infinite;
    pointer-events: none;
    z-index: 1;
}

/* 떠다니는 요소 컨테이너 */
.hero-floating-elements {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 300px; height: 300px;
    pointer-events: none;
    z-index: 1;
}

/* 모캡 마커 (빛나는 점) */
.float-marker {
    position: absolute;
    top: 50%; left: 50%;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: radial-gradient(circle, #fff 20%, #ff8800 60%, transparent 100%);
    box-shadow: 0 0 10px rgba(255, 136, 0, 0.6), 0 0 20px rgba(255, 136, 0, 0.3);
    transform: translate(var(--x), var(--y));
    animation: markerFloat var(--dur) ease-in-out var(--delay) infinite;
}

.float-marker.small {
    width: 5px; height: 5px;
    opacity: 0.6;
    box-shadow: 0 0 6px rgba(255, 136, 0, 0.4);
}

/* 카메라 아이콘 */
.float-camera {
    position: absolute;
    top: 50%; left: 50%;
    font-size: 1.5rem;
    opacity: 0.7;
    transform: translate(var(--x), var(--y));
    animation: cameraFloat var(--dur) ease-in-out var(--delay) infinite;
    filter: drop-shadow(0 0 12px rgba(255, 136, 0, 0.5));
}

@keyframes markerFloat {
    0%, 100% { transform: translate(var(--x), var(--y)); opacity: 0.8; }
    25% { transform: translate(calc(var(--x) + 8px), calc(var(--y) - 12px)); opacity: 1; }
    50% { transform: translate(calc(var(--x) - 5px), calc(var(--y) + 8px)); opacity: 0.6; }
    75% { transform: translate(calc(var(--x) + 10px), calc(var(--y) + 5px)); opacity: 0.9; }
}

@keyframes cameraFloat {
    0%, 100% { transform: translate(var(--x), var(--y)) rotate(0deg); opacity: 0.6; }
    33% { transform: translate(calc(var(--x) + 6px), calc(var(--y) - 10px)) rotate(5deg); opacity: 0.85; }
    66% { transform: translate(calc(var(--x) - 8px), calc(var(--y) + 6px)) rotate(-3deg); opacity: 0.65; }
}

@media (prefers-reduced-motion: reduce) {
    .float-marker, .float-camera { animation: none; }
    .hero-logo { animation: none; }
    .logo-glow { animation: none; }
}

.hero-title {
    font-size: var(--font-size-hero);
    font-weight: 800;
    line-height: 1.15;
    color: white;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.02em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8), 4px 4px 8px rgba(0,0,0,0.4);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s both;
}

.hero-subtitle {
    font-family: var(--font-display-en);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.8), 4px 4px 8px rgba(0,0,0,0.4);
}

.gradient-text {
    background: linear-gradient(135deg, #ff8800 0%, #ffbf00 50%, #ff6600 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.hero-description {
    margin: var(--spacing-lg) 0 var(--spacing-xl);
    color: rgba(255, 255, 255, 0.8);
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    line-height: 1.7;
    font-weight: 300;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.7);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.6s both;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-3px);
    box-shadow: 0 0 25px rgba(255, 136, 0, 0.3);
}

.hero-specs {
    display: flex;
    gap: clamp(1.5rem, 4vw, 3rem);
    justify-content: center;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) 0.8s both;
}

.spec-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    backdrop-filter: blur(10px);
}

.spec-number {
    font-family: var(--font-display-en);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    color: white;
    line-height: 1;
}

.spec-number .counter {
    display: inline-block;
    min-width: 1.5ch;
}

.spec-unit {
    font-size: 0.5em;
    font-weight: 500;
    color: var(--primary-color);
    margin-left: 2px;
}

.spec-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    font-family: var(--font-display-en);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    animation: fadeIn 1s 1.5s both;
}

.scroll-arrow {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 0;
    left: -2px;
    width: 5px;
    height: 10px;
    background: rgba(255, 136, 0, 0.8);
    border-radius: 2px;
    animation: scrollBounce 2s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(28px); opacity: 0.3; }
}

/* ========================================
   Features 섹션 - 라이트 모드
   ======================================== */
.features-section {
    padding: clamp(3rem, 8vw, 6rem) 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #fff7ed 100%);
}

.features-section .section-header h2 {
    font-size: var(--font-size-section);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.features-section .section-header p {
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: clamp(1rem, 3vw, 2rem);
    margin-top: var(--spacing-2xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.feature-card {
    text-align: center;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255, 136, 0, 0.06) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.4s;
    pointer-events: none;
}

.feature-card:hover::before { opacity: 1; }

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 136, 0, 0.2);
    box-shadow: 0 12px 40px rgba(255, 136, 0, 0.08), 0 4px 24px rgba(0, 0, 0, 0.06);
}

.feature-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-lg);
    background: var(--gradient-main);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(255, 136, 0, 0.2);
}

.feature-icon { font-size: 2.5rem; }

.feature-card h3 {
    font-size: var(--font-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-weight: 700;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-weight: 400;
}

/* ========================================
   Services Preview - 라이트 모드
   ======================================== */
.services-preview {
    padding: clamp(3rem, 8vw, 6rem) 0;
}

.services-preview.bg-gradient {
    background: linear-gradient(135deg, #f8fafc 0%, #fff7ed 100%);
}

.services-preview .section-header h2 {
    font-size: var(--font-size-section);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.services-preview .section-header p {
    color: var(--text-secondary);
}

.services-carousel {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: clamp(1rem, 3vw, 2rem);
    margin-top: var(--spacing-2xl);
    max-width: 1000px;
    margin-left: auto;
    margin-right: auto;
}

.service-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    padding: clamp(1.5rem, 3vw, 2rem);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    cursor: pointer;
    min-height: 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.service-item h3 {
    color: var(--text-primary);
    font-size: var(--font-lg);
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.service-item p {
    color: var(--text-secondary);
}

.service-item.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--text-white);
    transform: scale(1.05);
    border-color: transparent;
    box-shadow: 0 8px 30px rgba(255, 136, 0, 0.25);
}

.service-item:hover:not(.active) {
    transform: translateY(-5px);
    border-color: rgba(255, 136, 0, 0.15);
    box-shadow: 0 8px 25px rgba(255, 136, 0, 0.08);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.service-item.active h3,
.service-item.active p {
    color: var(--text-white);
}

/* ========================================
   Studio Preview - 밝은 배경 + 패럴랙스
   ======================================== */
.studio-preview {
    padding: clamp(3rem, 8vw, 6rem) 0;
    background: linear-gradient(135deg, #fff7ed 0%, #ffffff 50%, #f8fafc 100%);
}

.studio-preview .section-header h2 {
    font-size: var(--font-size-section);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.preview-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.preview-main,
.preview-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    cursor: pointer;
}

.preview-img {
    width: 100%;
    height: 110%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
}

.preview-main { height: 400px; }

.preview-side {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.preview-item {
    height: calc((400px - var(--spacing-lg)) / 2);
}

.preview-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--text-white);
    padding: var(--spacing-xl);
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.preview-main:hover .preview-overlay,
.preview-item:hover .preview-overlay {
    transform: translateY(0);
}

.preview-main:hover .preview-img,
.preview-item:hover .preview-img {
    transform: scale(1.05);
}

.preview-overlay h3 { margin-bottom: var(--spacing-sm); }

/* ========================================
   Portfolio Preview - 라이트 모드
   ======================================== */
.portfolio-preview {
    padding: clamp(3rem, 8vw, 6rem) 0;
}

.portfolio-preview.bg-light {
    background: var(--bg-light);
}

.portfolio-preview .section-header h2 {
    font-size: var(--font-size-section);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.portfolio-preview .section-header p {
    color: var(--text-secondary);
}

/* 포트폴리오 탭 네비게이션 */
.portfolio-tab-nav {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.portfolio-tab-btn {
    padding: 0.6rem 1.5rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 50px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.portfolio-tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.portfolio-tab-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 136, 0, 0.3);
}

/* 포트폴리오 탭 패널 */
.portfolio-tab-panel {
    display: none;
}

.portfolio-tab-panel.active {
    display: block;
    animation: portfolioFadeIn 0.4s ease;
}

@keyframes portfolioFadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 포트폴리오 그리드 (Long-form 16:9) */
.portfolio-grid-v2 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(1rem, 2.5vw, 1.5rem);
}

/* Shorts 그리드 (9:16 세로형) */
.portfolio-shorts-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(0.75rem, 2vw, 1.25rem);
    max-width: 900px;
    margin: 0 auto;
}

/* 포트폴리오 카드 */
.portfolio-card {
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-primary, #fff);
    border: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
    border-color: rgba(255, 136, 0, 0.2);
}

.portfolio-video {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    background: #000;
    border-radius: var(--border-radius);
}

.portfolio-video.shorts-video {
    padding-bottom: 177.78%;
}

.portfolio-video iframe {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    border: none;
}

/* 카드 내부 비디오는 상단 라운드만 */
.portfolio-card .portfolio-video {
    border-radius: 0;
}

.portfolio-card-info {
    padding: 1rem 1.25rem;
}

.portfolio-card-info h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.4;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.6rem;
}

.portfolio-tag {
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    background: rgba(255, 136, 0, 0.08);
    color: var(--primary-color);
    border: 1px solid rgba(255, 136, 0, 0.15);
}

.portfolio-tag.accent {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.portfolio-card.shorts .portfolio-card-info h3 {
    font-size: 0.82rem;
}

/* Legacy 지원 */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: clamp(1rem, 3vw, 2rem);
    margin-top: var(--spacing-2xl);
}

.portfolio-item { text-align: center; }

.portfolio-item h3 {
    margin-top: var(--spacing-md);
    font-size: var(--font-xl);
    color: var(--text-primary);
}

/* ========================================
   고객 후기 섹션
   ======================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.testimonial-card {
    background: var(--bg-white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: '\201C';
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    font-size: 4rem;
    color: rgba(255, 136, 0, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
}

.testimonial-content { position: relative; z-index: 1; }
.testimonial-stars { font-size: 1.2rem; margin-bottom: var(--spacing-md); }

.testimonial-card p {
    font-size: var(--font-base);
    line-height: 1.7;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.author-info strong {
    display: block;
    color: var(--text-primary);
    font-size: var(--font-base);
    margin-bottom: var(--spacing-xs);
}

.author-info span {
    color: var(--text-secondary);
    font-size: var(--font-sm);
}

/* ========================================
   FAQ 바로가기 섹션
   ======================================== */
.faq-shortcut {
    padding: clamp(2.5rem, 6vw, 4rem) 0;
    background: linear-gradient(135deg, #f8fafc 0%, #fff7ed 100%);
}

.faq-shortcut-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    padding: clamp(2rem, 4vw, 3rem);
    background: white;
    border: 1px solid rgba(255, 136, 0, 0.1);
    border-radius: 20px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-shortcut-inner:hover {
    border-color: rgba(255, 136, 0, 0.25);
    box-shadow: 0 8px 32px rgba(255, 136, 0, 0.08);
}

.faq-shortcut-content {
    flex: 1;
}

.faq-shortcut-label {
    font-family: var(--font-display-en, 'Space Grotesk', sans-serif);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    display: block;
}

.faq-shortcut-title {
    font-size: clamp(1.3rem, 2.5vw, 1.8rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.faq-shortcut-desc {
    font-size: clamp(0.9rem, 1.5vw, 1rem);
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
}

.faq-shortcut-actions {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex-shrink: 0;
}

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-lg);
    cursor: pointer;
    transition: color 0.3s ease;
    text-align: center;
}

.btn-ghost:hover {
    color: var(--primary-color);
}

/* ========================================
   CTA 섹션
   ======================================== */
.cta-section {
    padding: clamp(4rem, 10vw, 8rem) 0;
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(255, 136, 0, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 191, 0, 0.06) 0%, transparent 50%),
        linear-gradient(135deg, #fffbf5 0%, #fff7ed 50%, #fff3e0 100%);
    z-index: 0;
}

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

.cta-label {
    font-family: var(--font-display-en, 'Space Grotesk', sans-serif);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.cta-title {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.3;
}

.cta-description {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
    font-weight: 400;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-lg);
}

.cta-section .btn-primary:hover {
    box-shadow: 0 0 25px rgba(255, 136, 0, 0.4);
    transform: translateY(-3px);
}

.cta-section .btn-outline {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.cta-section .btn-outline:hover {
    background: var(--primary-color);
    color: var(--text-white);
    box-shadow: 0 0 25px rgba(255, 136, 0, 0.3);
    transform: translateY(-3px);
}

.contact-info-quick {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(0.75rem, 2vw, 1.25rem);
    max-width: 900px;
    margin: 0 auto;
}

.info-quick-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.1rem 1.5rem;
    background: white;
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.info-quick-item:hover {
    border-color: rgba(255, 136, 0, 0.25);
    box-shadow: 0 8px 24px rgba(255, 136, 0, 0.1);
    transform: translateY(-3px);
}

.info-quick-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 136, 0, 0.1) 0%, rgba(255, 191, 0, 0.08) 100%);
    border-radius: 10px;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.info-quick-item div {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    min-width: 0;
}

.info-quick-label {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.info-quick-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ========================================
   기업 파트너 섹션
   ======================================== */
.partners-section {
    background: var(--bg-white);
    padding: clamp(3rem, 8vw, 6rem) 0;
}

.partners-section .section-header h2 {
    font-size: var(--font-size-section);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.partners-marquee {
    overflow: clip;
    overflow-clip-margin: 1rem;
    position: relative;
    width: 100%;
    padding: 1rem 0;
    mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
    -webkit-mask-image: linear-gradient(to right, transparent 0%, black 10%, black 90%, transparent 100%);
}

.partners-marquee-track {
    display: flex;
    gap: clamp(2rem, 5vw, 4rem);
    animation: marqueeScroll 20s linear infinite;
    width: max-content;
}

.partners-marquee:hover .partners-marquee-track {
    animation-play-state: paused;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-33.333%); }
}

@media (prefers-reduced-motion: reduce) {
    .partners-marquee-track { animation: none; }
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    max-width: 600px;
    margin: 0 auto;
    padding: var(--spacing-xl) 0;
}

.partner-logo-item {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.4s ease;
}

.partner-logo-item:hover { transform: translateY(-5px); }

.partner-placeholder {
    width: 180px; height: 120px;
    background: var(--bg-light);
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.partner-placeholder:hover {
    border-color: var(--primary-color);
    background: rgba(255, 136, 0, 0.05);
}

.partner-placeholder-text {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    font-weight: 500;
    text-align: center;
}

.partner-logo-item img {
    width: 180px; height: 80px;
    object-fit: contain;
    object-position: center;
    filter: grayscale(100%);
    transition: all 0.4s ease;
    background: transparent;
    border-radius: 20px;
    padding: 0;
    border: none;
}

.partner-logo-item:hover img {
    filter: grayscale(0%);
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.partners-grid.single-partner {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 500px;
}

.partner-logo-item.featured-partner {
    background: transparent;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.4s ease;
    width: 100%;
    max-width: 300px;
}

.partner-logo-item.featured-partner:hover { transform: translateY(-5px); }

.featured-partner .partner-logo {
    width: 240px; height: 140px;
    object-fit: contain;
    object-position: center;
    filter: grayscale(30%);
    background: var(--bg-white);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: var(--box-shadow);
    display: block;
    transition: all 0.3s ease;
}

.featured-partner:hover .partner-logo {
    filter: grayscale(0%);
    transform: scale(1.05);
    box-shadow: var(--box-shadow-lg);
}

/* ========================================
   FAQ 바로가기 섹션
   ======================================== */
.bg-gradient {
    background: linear-gradient(135deg, #f8fafc 0%, #fff7ed 100%);
}

.bg-gradient .section-header h2 {
    color: var(--text-primary);
    font-size: var(--font-size-section);
    font-weight: 800;
    letter-spacing: -0.03em;
}

.bg-gradient .section-header p {
    color: var(--text-secondary);
}

/* ========================================
   비디오 콘텐츠 섹션
   ======================================== */
.video-content-section {
    background: var(--bg-light);
    padding: clamp(3rem, 8vw, 6rem) 0;
}

.video-tabs {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-2xl);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--spacing-md);
}

.video-tab-btn {
    background: none;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-base);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    transition: all 0.3s ease;
    position: relative;
}

.video-tab-btn:hover {
    color: var(--primary-color);
    background: rgba(255, 136, 0, 0.05);
}

.video-tab-btn.active {
    color: var(--primary-color);
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-bottom: 1px solid var(--bg-white);
    margin-bottom: -1px;
}

.video-tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0; right: 0;
    height: 2px;
    background: var(--primary-color);
}

.video-tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.video-tab-content.active { display: block; }

.live-videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.live-video-item {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.4s ease;
}

.live-video-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.video-placeholder {
    width: 100%; height: 200px;
    background: linear-gradient(135deg, #f0f0f0 0%, #e0e0e0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.video-placeholder.vertical { height: 300px; aspect-ratio: 9/16; }

.video-wrapper {
    width: 100%; height: 200px;
    position: relative;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.video-wrapper.vertical { height: 300px; aspect-ratio: 9/16; }
.video-wrapper iframe { width: 100%; height: 100%; border: none; }

.video-placeholder-text {
    font-size: var(--font-base);
    color: var(--text-secondary);
    font-weight: 500;
}

.live-indicator {
    position: absolute;
    top: var(--spacing-sm); right: var(--spacing-sm);
    background: #ef4444;
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-xs);
    font-weight: 600;
    animation: pulse 2s infinite;
}

.live-video-item h3 {
    font-size: var(--font-lg);
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.live-video-item p {
    font-size: var(--font-sm);
    color: var(--text-secondary);
    margin: 0 var(--spacing-md) var(--spacing-md);
}

.shorts-videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.shorts-video-item {
    background: var(--bg-white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: all 0.4s ease;
}

.shorts-video-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.shorts-video-item h4 {
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-primary);
    margin: var(--spacing-sm);
    text-align: center;
}

/* ========================================
   유틸리티
   ======================================== */
.text-center { text-align: center; }
.mt-4 { margin-top: var(--spacing-xl); }
.bg-light { background-color: var(--bg-light); }

/* ========================================
   버튼 글로우 효과
   ======================================== */
.hero-section .btn-primary:hover,
.features-section .btn-primary:hover,
.services-preview .btn-primary:hover {
    box-shadow: 0 0 25px rgba(255, 136, 0, 0.4);
}

/* ========================================
   ===== 다크 모드 =====
   ======================================== */
[data-theme="dark"] .features-section {
    background:
        radial-gradient(ellipse at 20% 0%, var(--glow-orange) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 100%, var(--glow-amber) 0%, transparent 50%),
        var(--dark-bg);
}

[data-theme="dark"] .features-section .section-header h2,
[data-theme="dark"] .feature-card h3 {
    color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .features-section .section-header p,
[data-theme="dark"] .feature-card p {
    color: rgba(255, 255, 255, 0.55);
}

[data-theme="dark"] .feature-card {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .feature-card:hover {
    border-color: rgba(255, 136, 0, 0.3);
    box-shadow: 0 12px 40px rgba(255, 136, 0, 0.1), 0 8px 32px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .feature-icon-wrapper {
    box-shadow: 0 0 30px var(--glow-orange);
}

[data-theme="dark"] .services-preview.bg-gradient {
    background:
        radial-gradient(ellipse at 70% 0%, rgba(255, 136, 0, 0.06) 0%, transparent 50%),
        var(--dark-surface);
}

[data-theme="dark"] .services-preview .section-header h2,
[data-theme="dark"] .service-item h3 {
    color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .services-preview .section-header p,
[data-theme="dark"] .service-item p {
    color: rgba(255, 255, 255, 0.55);
}

[data-theme="dark"] .service-item {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .service-item:hover:not(.active) {
    border-color: rgba(255, 136, 0, 0.2);
    box-shadow: 0 8px 25px rgba(255, 136, 0, 0.08);
}

[data-theme="dark"] .studio-preview {
    background: linear-gradient(135deg, #1a1a2e 0%, #13131a 50%, #0a0a0f 100%);
}

[data-theme="dark"] .studio-preview .section-header h2 {
    color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .studio-preview .section-header p {
    color: rgba(255, 255, 255, 0.55);
}

[data-theme="dark"] .portfolio-preview.bg-light {
    background:
        radial-gradient(ellipse at 30% 100%, rgba(255, 136, 0, 0.05) 0%, transparent 50%),
        var(--dark-bg);
}

[data-theme="dark"] .portfolio-preview .section-header h2,
[data-theme="dark"] .portfolio-item h3,
[data-theme="dark"] .portfolio-card-info h3 {
    color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .portfolio-preview .section-header p {
    color: rgba(255, 255, 255, 0.55);
}

[data-theme="dark"] .portfolio-video {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
}

[data-theme="dark"] .portfolio-tab-btn {
    border-color: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .portfolio-tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

[data-theme="dark"] .portfolio-tab-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

[data-theme="dark"] .portfolio-card {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .portfolio-card:hover {
    border-color: rgba(255, 136, 0, 0.3);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .portfolio-tag {
    background: rgba(255, 136, 0, 0.12);
    border-color: rgba(255, 136, 0, 0.2);
    color: #ff9933;
}

[data-theme="dark"] .partners-section {
    background: var(--dark-surface);
}

[data-theme="dark"] .partners-section .section-header h2 {
    color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .partners-section .section-header p {
    color: rgba(255, 255, 255, 0.55);
}

[data-theme="dark"] .partner-logo-item img {
    background: transparent;
    border-color: var(--glass-border);
}

[data-theme="dark"] .partner-logo-item:hover img {
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .featured-partner .partner-logo {
    background: var(--dark-surface);
    border-color: var(--glass-border);
}

/* FAQ 바로가기 다크모드 */
[data-theme="dark"] .faq-shortcut {
    background:
        radial-gradient(ellipse at 50% 0%, rgba(255, 136, 0, 0.06) 0%, transparent 60%),
        var(--dark-surface);
}

[data-theme="dark"] .faq-shortcut-inner {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .faq-shortcut-inner:hover {
    border-color: rgba(255, 136, 0, 0.3);
    box-shadow: 0 8px 32px rgba(255, 136, 0, 0.08);
}

[data-theme="dark"] .faq-shortcut-title {
    color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .faq-shortcut-desc {
    color: rgba(255, 255, 255, 0.55);
}

[data-theme="dark"] .btn-ghost {
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .btn-ghost:hover {
    color: var(--primary-color);
}

/* CTA 다크모드 */
[data-theme="dark"] .cta-bg {
    background:
        radial-gradient(ellipse at 20% 80%, rgba(255, 136, 0, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(255, 191, 0, 0.06) 0%, transparent 50%),
        linear-gradient(120deg, #1a1000 60%, #2d1a00 100%);
}

[data-theme="dark"] .cta-label {
    color: #ff9933;
}

[data-theme="dark"] .cta-title {
    color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .cta-description {
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .info-quick-item {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .info-quick-item:hover {
    border-color: rgba(255, 136, 0, 0.3);
    box-shadow: 0 8px 24px rgba(255, 136, 0, 0.1);
}

[data-theme="dark"] .info-quick-icon {
    background: linear-gradient(135deg, rgba(255, 136, 0, 0.15) 0%, rgba(255, 191, 0, 0.1) 100%);
}

[data-theme="dark"] .info-quick-label {
    color: #ff9933;
}

[data-theme="dark"] .info-quick-value {
    color: rgba(255, 255, 255, 0.85);
}

[data-theme="dark"] .cta-section .btn-outline {
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.8);
}

[data-theme="dark"] .cta-section .btn-outline:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* 다크모드 비디오 섹션 */
[data-theme="dark"] .video-content-section {
    background: var(--dark-bg);
}

[data-theme="dark"] .video-tab-btn {
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .video-tabs {
    border-bottom-color: var(--glass-border);
}

[data-theme="dark"] .video-tab-btn.active {
    background: var(--dark-surface);
    border-color: var(--glass-border);
    border-bottom-color: var(--dark-surface);
}

[data-theme="dark"] .live-video-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

[data-theme="dark"] .live-video-item:hover {
    border-color: rgba(255, 136, 0, 0.2);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .live-video-item h3 { color: white; }
[data-theme="dark"] .live-video-item p { color: rgba(255, 255, 255, 0.5); }

[data-theme="dark"] .video-placeholder {
    background: linear-gradient(135deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    border-bottom-color: var(--glass-border);
}

[data-theme="dark"] .video-placeholder-text {
    color: rgba(255, 255, 255, 0.4);
}

[data-theme="dark"] .shorts-video-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
}

[data-theme="dark"] .shorts-video-item h4 { color: white; }

/* 다크모드 고객후기 */
[data-theme="dark"] .testimonial-card {
    background: var(--dark-surface);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .testimonial-card p { color: rgba(255, 255, 255, 0.6); }
[data-theme="dark"] .testimonial-author { border-top-color: var(--glass-border); }
[data-theme="dark"] .author-info strong { color: rgba(255, 255, 255, 0.9); }
[data-theme="dark"] .author-info span { color: rgba(255, 255, 255, 0.5); }

/* ========================================
   반응형 디자인
   ======================================== */
@media (max-width: 1024px) {
    .hero-specs { flex-wrap: wrap; }

    .preview-grid { grid-template-columns: 1fr; }
    .preview-main { height: 300px; }
    .preview-side { flex-direction: row; }
    .preview-item { height: 200px; flex: 1; }
    .portfolio-grid-v2 { grid-template-columns: repeat(2, 1fr); }
    .portfolio-shorts-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 100vh;
        padding: var(--spacing-2xl) var(--spacing-md);
    }

    .hero-logo {
        width: 130px;
    }

    .hero-floating-elements {
        width: 200px;
        height: 200px;
    }

    .hero-specs {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .services-carousel {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-lg);
    }

    .service-item { min-height: 140px; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .portfolio-grid-v2 { grid-template-columns: 1fr; }
    .portfolio-shorts-grid { grid-template-columns: repeat(2, 1fr); }
    .portfolio-tab-nav { flex-wrap: wrap; }
    .portfolio-tab-btn { padding: 0.5rem 1rem; font-size: 0.82rem; }

    .partners-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: var(--spacing-lg);
    }

    .live-videos-grid { grid-template-columns: 1fr; }

    .shorts-videos-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }

    .video-tabs { flex-direction: column; align-items: center; }

    .faq-shortcut-inner {
        flex-direction: column;
        text-align: center;
    }

    .faq-shortcut-actions {
        width: 100%;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .feature-card { min-height: 180px; }
    .preview-side { flex-direction: column; }

    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }

    .partner-placeholder { width: 140px; height: 100px; }

    .partners-grid.single-partner { max-width: 90%; }

    .partner-logo-item.featured-partner {
        padding: var(--spacing-xl);
        max-width: none;
    }

    .featured-partner .partner-logo { width: 180px; height: 110px; }

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

    .video-tab-btn {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: var(--font-sm);
    }

    .contact-info-quick {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
        max-width: 360px;
    }
}

/* ========================================
   통합 스티키 쇼케이스 섹션
   ======================================== */
.sticky-showcase {
    position: relative;
    background: var(--bg-primary, #fff);
}

.sticky-showcase-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

/* 왼쪽: 스티키 이미지 패널 */
.showcase-sticky {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
}

.showcase-image-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

/* 각 스텝의 미디어 컨테이너 (영상 또는 이미지 루프) */
.showcase-media {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.7s ease;
}

.showcase-media.active {
    opacity: 1;
}

/* YouTube iframe은 object-fit 미지원 → 오버사이즈로 세로 꽉 채움 */
.showcase-media iframe.showcase-video {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 177.78vh; /* 16:9 비율로 세로 기준 가로 계산 */
    height: 100vh;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    border: 0;
}

/* 이미지 페이드 루프 */
.showcase-fade-loop {
    position: relative;
    width: 100%;
    height: 100%;
}

.fade-loop-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease;
}

.fade-loop-img.active {
    opacity: 1;
}

.showcase-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent 50%, var(--bg-primary, #fff) 100%);
    pointer-events: none;
}

.showcase-dots {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
    z-index: 2;
}

.showcase-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.35);
    transition: all 0.3s ease;
}

.showcase-dot.active {
    background: var(--primary-color, #ff8800);
    box-shadow: 0 0 8px rgba(255, 136, 0, 0.5);
    transform: scale(1.4);
}

/* 오른쪽: 스크롤 콘텐츠 */
.showcase-scroll {
    display: flex;
    flex-direction: column;
    padding: 0 clamp(2rem, 4vw, 4rem);
}

.showcase-step {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem 0;
    opacity: 0.2;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.showcase-step.active {
    opacity: 1;
    transform: translateY(0);
}

.showcase-step-label {
    font-family: var(--font-display-en, 'Space Grotesk', sans-serif);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--primary-color, #ff8800);
    margin-bottom: 0.75rem;
}

.showcase-step-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--text-primary);
    line-height: 1.2;
}

.showcase-step-desc {
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 2rem;
}

/* Feature 아이템 (장비/공간/스튜디오 스텝용) */
.showcase-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.showcase-feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border-color, rgba(0,0,0,0.06));
    border-radius: 12px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.showcase-step.active .showcase-feature-item:hover {
    border-color: rgba(255, 136, 0, 0.3);
    box-shadow: 0 4px 16px rgba(255, 136, 0, 0.08);
}

.showcase-feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.showcase-feature-item div {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.showcase-feature-item strong {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.showcase-feature-item span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Services 그리드 (서비스 스텝용) */
.showcase-services-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.showcase-service {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    padding: 1.25rem 1rem;
    background: var(--bg-secondary, #f8fafc);
    border: 1px solid var(--border-color, rgba(0,0,0,0.06));
    border-radius: 12px;
    text-align: center;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

.showcase-step.active .showcase-service:hover {
    border-color: rgba(255, 136, 0, 0.3);
    transform: translateY(-2px);
}

.showcase-service > span:first-child {
    font-size: 1.5rem;
}

.showcase-service strong {
    font-size: 0.9rem;
    color: var(--text-primary);
}

.showcase-service-sub {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.showcase-btn {
    margin-top: 0.5rem;
    align-self: flex-start;
}

/* 다크모드 */
[data-theme="dark"] .sticky-showcase {
    background: var(--dark-bg, #0a0a0f);
}

[data-theme="dark"] .showcase-image-overlay {
    background: linear-gradient(to right, transparent 50%, var(--dark-bg, #0a0a0f) 100%);
}

[data-theme="dark"] .showcase-step-title {
    color: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .showcase-step-desc {
    color: rgba(255, 255, 255, 0.6);
}

[data-theme="dark"] .showcase-feature-item,
[data-theme="dark"] .showcase-service {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .showcase-feature-item strong,
[data-theme="dark"] .showcase-service strong {
    color: rgba(255, 255, 255, 0.9);
}

[data-theme="dark"] .showcase-feature-item span,
[data-theme="dark"] .showcase-service-sub {
    color: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] .showcase-step.active .showcase-feature-item:hover,
[data-theme="dark"] .showcase-step.active .showcase-service:hover {
    border-color: rgba(255, 136, 0, 0.4);
    box-shadow: 0 4px 16px rgba(255, 136, 0, 0.1);
}

/* 모바일: 스티키 해제, 카드형 세로 레이아웃 */
@media (max-width: 768px) {
    .sticky-showcase-container {
        display: flex;
        flex-direction: column;
    }

    /* 데스크톱용 스티키 패널 숨김 */
    .showcase-sticky {
        display: none;
    }

    .showcase-scroll {
        padding: 0;
    }

    .showcase-step {
        min-height: auto;
        padding: 2rem 1.25rem;
        opacity: 1;
        transform: none;
        border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    }

    .showcase-step:last-child {
        border-bottom: none;
    }

    /* 모바일 인라인 미디어 표시 */
    .showcase-step .showcase-mobile-media {
        display: block;
        position: relative;
        width: 100%;
        aspect-ratio: 16/9;
        border-radius: 12px;
        overflow: hidden;
        margin-bottom: 1.5rem;
        background: #000;
    }

    .showcase-step .showcase-mobile-media iframe {
        position: absolute;
        top: 0; left: 0;
        width: 100%; height: 100%;
        border: 0;
    }

    .showcase-step .showcase-mobile-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .showcase-services-grid {
        grid-template-columns: 1fr 1fr;
    }

    .showcase-btn {
        align-self: center;
    }
}

/* 데스크톱에서 모바일 미디어 숨김 */
@media (min-width: 769px) {
    .showcase-mobile-media {
        display: none !important;
    }
}

/* 다크모드 모바일 */
@media (max-width: 768px) {
    [data-theme="dark"] .showcase-step {
        border-bottom-color: rgba(255, 255, 255, 0.06);
    }
}