/* ===== PORTFOLIO PAGE STYLES ===== */
/* portfolio.html 페이지 전용 스타일 - 기존 style.css에서 복사하여 클래스명 변경 */

/* Navigation Override */
.nav-center {
    flex: 1;
    display: flex;
}

/* .nav-links 스타일 제거 - portfolio.html 인라인에서 처리 */

/* Portfolio Advantages Section */
.portfolio-advantages-section {
    padding: 2rem 4rem 4rem 4rem;
    background-color: rgb(234, 234, 234);
    text-align: center;
    position: relative;
    overflow: visible;
    display: flex !important;
    flex-direction: column;
    align-items: center;
    z-index: 1;
    visibility: visible !important;
    opacity: 1 !important;
    min-height: 400px;
    margin-top: 0;
}

.portfolio-section-header {
    text-align: center;
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 60px;
}

.portfolio-section-header h2 {
    font-family: 'Inter Tight', sans-serif;
    font-size: 10.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: rgb(17, 17, 17);
    line-height: 0.9;
    margin: 0;
    text-align: center;
    white-space: nowrap;
}

.portfolio-section-header h3 {
    font-family: 'Pretendard', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: rgb(17, 17, 17);
    line-height: 1.4;
    margin: 0.3rem 0 0 0;
    text-align: center;
    white-space: nowrap;
}

/* Portfolio Content Section */
.portfolio-content-section {
    width: 100%;
    min-height: 100vh;
    background-color: rgb(234, 234, 234);
    display: flex;
    align-items: center;
    padding: 0;
    position: relative;
    overflow: visible;
    margin: 0;
    background-image: url('../img/ui/background0816.webp') !important;
    background-size: contain !important;
    background-position: left 500% !important;
    background-repeat: no-repeat !important;
    background-attachment: scroll !important;
    background-clip: border-box !important;
    background-origin: border-box !important;
}

.portfolio-text-gif-container {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 0;
    gap: 4rem;
}

.portfolio-text-content {
    width: 50% !important;
    max-width: 800px;
    padding-left: 0;
    padding: 1rem 0;
    margin-left: 0;
    position: relative;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    text-align: left;
}

.portfolio-company-intro {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
}

.portfolio-main-text {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.portfolio-subtitle-text {
    font-family: 'Pretendard', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: rgb(17, 17, 17);
    margin-bottom: 1rem;
    margin-left: 8rem;
    opacity: 0.8;
}

.portfolio-text-line-1 {
    font-family: 'Pretendard', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: rgb(17, 17, 17);
    line-height: 1.1;
    margin: 0;
    margin-left: 7rem;
    margin-bottom: -0.5rem;
    letter-spacing: -0.02em;
}

.portfolio-text-line-2 {
    font-family: 'Pretendard', sans-serif;
    font-size: 6rem;
    font-weight: 700;
    color: rgb(17, 17, 17);
    line-height: 1.1;
    margin: 0;
    margin-left: 7rem;
}

.portfolio-keyword-box {
    background: rgba(255, 255, 255, 0.8);
    padding: 0.1rem 0.4rem;
    border-radius: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    display: inline-block;
    box-sizing: border-box;
    letter-spacing: -0.05em;
}

/* 포트폴리오 인라인 이미지 스타일 - 텍스트 박스 안에 */
.portfolio-inline-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    margin-left: 1rem;
    vertical-align: middle;
}

.portfolio-right-video {
    width: 70% !important;
    max-width: 1050px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
}

.portfolio-right-video video {
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.portfolio-right-video video:hover {
    transform: translateY(-4px);
    box-shadow: 0 32px 64px -12px rgba(0, 0, 0, 0.2);
}

.portfolio-video-controls {
    position: absolute;
    bottom: 3rem;
    right: 3rem;
    z-index: 10;
}

.portfolio-mute-btn {
    background: rgba(0, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: white;
    transition: all 0.3s ease;
}

.portfolio-mute-btn:hover {
    background: rgba(0, 0, 0, 0.9);
    transform: scale(1.1);
}

.portfolio-mute-icon,
.portfolio-unmute-icon {
    width: 24px;
    height: 24px;
}

/* Portfolio Section Divider */
.portfolio-section-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(17, 17, 17, 0.1) 20%, rgba(17, 17, 17, 0.3) 50%, rgba(17, 17, 17, 0.1) 80%, transparent 100%);
    margin: 20px auto;
    max-width: 1920px;
    position: relative;
    overflow: hidden;
}

.portfolio-section-divider::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.9) 50%, transparent 100%);
    animation: lightMove 6s linear infinite;
    z-index: 1;
}

/* Content Showcase */
.content-showcase {
    padding: 2rem 2rem 0 2rem;
    background-color: rgb(234, 234, 234);
}

.portfolio-divider {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(17, 17, 17, 0.15) 50%, transparent 100%);
    margin: 0 0 120px 0;
    position: relative;
    overflow: hidden;
}

.portfolio-divider::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.9) 50%, transparent 100%);
    animation: lightMove 6s linear infinite;
    z-index: 1;
}

@keyframes lightMove {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.showcase-text {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: left;
    margin-top: 4rem;
    margin-bottom: 8rem;
    padding-left: 3rem;
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 2rem;
}

/* 하단 가로선 */
.showcase-text::after {
    content: '';
    position: absolute;
    bottom: -2.5rem;
    left: 3rem;
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, rgb(17, 17, 17) 0%, rgba(17, 17, 17, 0.3) 100%);
}

.showcase-text h3 {
    font-family: 'Inter Tight', sans-serif;
    font-size: 2.6rem;
    font-weight: 300;
    color: rgb(17, 17, 17);
    line-height: 1.1;
    margin: 0;
    letter-spacing: -0.05em;
    max-width: 100%;
    position: relative;
    text-align: left;
    z-index: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    flex: 1;
}

.showcase-text h3::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, rgb(17, 17, 17) 0%, rgba(17, 17, 17, 0.1) 100%);
}

.showcase-text h3 strong {
    color: rgb(0, 0, 0);
    font-weight: 700;
}



/* 세로선 */
.showcase-text-vertical-line {
    content: '';
    position: absolute;
    top: 0;
    left: 50px;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, rgba(17, 17, 17, 0.2) 0%, rgba(17, 17, 17, 0.1) 50%, transparent 100%);
    z-index: 1;
}

/* 포트폴리오 하단 텍스트 스타일 */
.showcase-text-bottom {
    flex: 0 0 auto !important;
    padding: 0 2rem !important;
    text-align: left !important;
    height: 120px !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: flex-start !important;
    align-items: flex-start !important;
    box-sizing: border-box !important;
    margin-top: 0 !important;
    padding-top: 0 !important;
    margin-bottom: 0 !important;
    margin-left: 6rem !important;
    position: relative !important;
}

.showcase-text-bottom h3 {
    font-family: 'Inter Tight', sans-serif;
    font-size: 2.8rem;
    font-weight: 700;
    color: rgb(17, 17, 17);
    margin: 0 0 1rem 0;
    line-height: 1.2;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

/* showcase-text-bottom 숫자 라벨 */
.showcase-text-bottom::before {
    content: '02';
    font-family: 'Inter Tight', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: rgba(17, 17, 17, 0.6);
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    border: 1px solid rgba(17, 17, 17, 0.1);
    z-index: 2;
}

/* showcase-text-bottom 세로선 */
.showcase-text-bottom-vertical-line {
    content: '';
    position: absolute;
    top: 0;
    left: 50px;
    width: 2px;
    height: 100%;
    background: linear-gradient(180deg, rgba(17, 17, 17, 0.2) 0%, rgba(17, 17, 17, 0.1) 50%, transparent 100%);
    z-index: 1;
}

.showcase-container {
    max-width: 1400px;
    margin: 0 auto;
    margin-top: 3rem;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: nowrap;
}

/* 첫 번째 아이템 - 작은 사이즈 (160px × 160px) - 세련되고 모던하게 */
.showcase-item:first-child {
    flex: 0 0 auto;
    width: 160px;
    height: 160px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #f1f3f4 100%);
    border: 1px solid rgba(17, 17, 17, 0.06);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.04),
        0 2px 8px rgba(0, 0, 0, 0.02),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: visible;
    z-index: 1;
}

/* 첫 번째 이미지 */
.showcase-item:first-child img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 16px;
}

/* CASE 1 라벨 - 더 세련되고 모던하게 (웹 전용) */
body .showcase-item:first-child::after {
    content: "# CASE 1" !important;
    position: absolute !important;
    bottom: -2.5rem !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: auto !important;
    min-width: 110px !important;
    font-family: 'Inter Tight', sans-serif !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    color: rgba(17, 17, 17, 0.9) !important;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%) !important;
    padding: 0.5rem 1rem !important;
    border-radius: 8px !important;
    text-align: center !important;
    box-sizing: border-box !important;
    z-index: 10 !important;
    backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(17, 17, 17, 0.08) !important;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.06),
        0 2px 8px rgba(0, 0, 0, 0.03) !important;
    white-space: nowrap !important;
}

/* 두 번째 아이템 - 중간 사이즈 (320px × 213px - 3:2 비율, 더 크게) */
.showcase-item:nth-child(2) {
    flex: 0 0 auto;
    width: 320px;
    height: 213px;
    position: relative;
    z-index: 2;
    overflow: visible;
}

/* 케이스 1 두 번째 이미지 - 애플 스타일 그림자 */
.showcase-container .showcase-item:nth-child(2) img,
.showcase-container .showcase-item:nth-child(2) video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid rgba(17, 17, 17, 0.06);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.2),
        0 6px 20px rgba(0, 0, 0, 0.15) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 세 번째 아이템 - 큰 사이즈 (400px × 267px - 3:2 비율, 더 크게) */
.showcase-item:nth-child(3) {
    flex: 0 0 auto;
    width: 400px;
    height: 267px;
    position: relative;
    z-index: 3;
    overflow: visible;
}

/* 케이스 1 세 번째 이미지 - 애플 스타일 그림자 */
.showcase-container .showcase-item:nth-child(3) img,
.showcase-container .showcase-item:nth-child(3) video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid rgba(17, 17, 17, 0.06);
    box-shadow: 
        0 16px 48px rgba(0, 0, 0, 0.25),
        0 8px 24px rgba(0, 0, 0, 0.18) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 케이스 1 세 번째 이미지 호버 시 50% 더 크게 - 원래 위치에서 확대 */
.showcase-container .showcase-item:nth-child(3):hover img,
.showcase-container .showcase-item:nth-child(3):hover video {
    transform: scale(1.5);
    z-index: 1000;
    box-shadow: 
        0 24px 64px rgba(0, 0, 0, 0.3),
        0 12px 32px rgba(0, 0, 0, 0.2) !important;
}

.showcase-item {
    flex: 1;
    max-width: 400px;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.showcase-image {
    width: 100%;
    height: auto;
    display: block;
}

.showcase-video {
    width: 100%;
    height: auto;
    display: block;
}

/* Content Showcase 2 */
.content-showcase-2 {
    padding: 2rem 2rem 0 2rem;
    background: rgb(234, 234, 234);
    position: relative;
}

.showcase-container-2 {
    max-width: 1400px;
    margin: 0 auto;
    margin-top: 3rem;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: nowrap;
}

/* 두 번째 쇼케이스 첫 번째 아이템 - 세련되고 모던하게 */
.showcase-item-2:first-child {
    flex: 0 0 auto;
    width: 160px;
    height: 160px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #f1f3f4 100%);
    border: 1px solid rgba(17, 17, 17, 0.06);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.04),
        0 2px 8px rgba(0, 0, 0, 0.02),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: visible;
    z-index: 1;
}

.showcase-item-2:first-child img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 16px;
}

/* CASE 2 라벨 - 더 세련되고 모던하게 */
body .showcase-item-2:first-child::after {
    content: "# CASE 2" !important;
    position: absolute !important;
    bottom: -2.5rem !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: auto !important;
    min-width: 110px !important;
    font-family: 'Inter Tight', sans-serif !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    color: rgba(17, 17, 17, 0.9) !important;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%) !important;
    padding: 0.5rem 1rem !important;
    border-radius: 8px !important;
    text-align: center !important;
    box-sizing: border-box !important;
    z-index: 10 !important;
    backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(17, 17, 17, 0.08) !important;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.06),
        0 2px 8px rgba(0, 0, 0, 0.03) !important;
    white-space: nowrap !important;
}

/* 두 번째 쇼케이스 두 번째, 세 번째 아이템 */
.showcase-item-2:nth-child(2) {
    flex: 0 0 auto;
    width: 320px;
    height: 213px;
    position: relative;
    z-index: 2;
    overflow: visible;
}

.showcase-item-2:nth-child(3) {
    flex: 0 0 auto;
    width: 400px;
    height: 267px;
    position: relative;
    z-index: 3;
    overflow: visible;
}

.showcase-item-2:nth-child(2) img,
.showcase-item-2:nth-child(2) video,
.showcase-item-2:nth-child(3) img,
.showcase-item-2:nth-child(3) video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid rgba(17, 17, 17, 0.06);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.2),
        0 6px 20px rgba(0, 0, 0, 0.15) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.showcase-item-2:nth-child(3) img,
.showcase-item-2:nth-child(3) video {
    border-radius: 12px;
    box-shadow: 
        0 16px 48px rgba(0, 0, 0, 0.25),
        0 8px 24px rgba(0, 0, 0, 0.18) !important;
}

/* 케이스 2 세 번째 이미지 호버 시 50% 더 크게 - 원래 위치에서 확대 */
.showcase-item-2:nth-child(3):hover img,
.showcase-item-2:nth-child(3):hover video {
    transform: scale(1.5);
    z-index: 1000;
    box-shadow: 
        0 24px 64px rgba(0, 0, 0, 0.3),
        0 12px 32px rgba(0, 0, 0, 0.2) !important;
}

.showcase-item-2 {
    flex: 1;
    max-width: 400px;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.showcase-item-2:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.showcase-image-2 {
    width: 100%;
    height: auto;
    display: block;
}

.showcase-video-2 {
    width: 100%;
    height: auto;
    display: block;
}

/* Content Showcase 3 */
.content-showcase-3 {
    padding: 2rem 2rem 0 2rem;
    background: rgb(234, 234, 234);
    position: relative;
}

.showcase-container-3 {
    max-width: 1400px;
    margin: 0 auto;
    margin-top: 3rem;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: nowrap;
}

/* 세 번째 쇼케이스 첫 번째 아이템 - 세련되고 모던하게 */
.showcase-item-3:first-child {
    flex: 0 0 auto;
    width: 160px;
    height: 160px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #f1f3f4 100%);
    border: 1px solid rgba(17, 17, 17, 0.06);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.04),
        0 2px 8px rgba(0, 0, 0, 0.02),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: visible;
    z-index: 1;
}

.showcase-item-3:first-child img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 16px;
}

/* CASE 3 라벨 - 더 세련되고 모던하게 */
body .showcase-item-3:first-child::after {
    content: "# CASE 3" !important;
    position: absolute !important;
    bottom: -2.5rem !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: auto !important;
    min-width: 110px !important;
    font-family: 'Inter Tight', sans-serif !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    color: rgba(17, 17, 17, 0.9) !important;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%) !important;
    padding: 0.5rem 1rem !important;
    border-radius: 8px !important;
    text-align: center !important;
    box-sizing: border-box !important;
    z-index: 10 !important;
    backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(17, 17, 17, 0.08) !important;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.06),
        0 2px 8px rgba(0, 0, 0, 0.03) !important;
    white-space: nowrap !important;
}

/* 세 번째 쇼케이스 두 번째, 세 번째 아이템 */
.showcase-item-3:nth-child(2) {
    flex: 0 0 auto;
    width: 320px;
    height: 213px;
    position: relative;
    z-index: 2;
    overflow: visible;
}

.showcase-item-3:nth-child(3) {
    flex: 0 0 auto;
    width: 400px;
    height: 267px;
    position: relative;
    z-index: 3;
    overflow: visible;
}

.showcase-item-3:nth-child(2) img,
.showcase-item-3:nth-child(2) video,
.showcase-item-3:nth-child(3) img,
.showcase-item-3:nth-child(3) video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid rgba(17, 17, 17, 0.06);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.2),
        0 6px 20px rgba(0, 0, 0, 0.15) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.showcase-item-3:nth-child(3) img,
.showcase-item-3:nth-child(3) video {
    border-radius: 12px;
    box-shadow: 
        0 16px 48px rgba(0, 0, 0, 0.25),
        0 8px 24px rgba(0, 0, 0, 0.18) !important;
}

/* 케이스 3 세 번째 이미지 호버 시 50% 더 크게 - 원래 위치에서 확대 */
.showcase-item-3:nth-child(3):hover img,
.showcase-item-3:nth-child(3):hover video {
    transform: scale(1.5);
    z-index: 1000;
    box-shadow: 
        0 12px 32px rgba(0, 0, 0, 0.2) !important;
}

.showcase-item-3 {
    flex: 1;
    max-width: 400px;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.showcase-item-3:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.showcase-image-3 {
    width: 100%;
    height: auto;
    display: block;
}

.showcase-video-3 {
    width: 100%;
    height: auto;
    display: block;
}

/* Content Showcase 4 */
.content-showcase-4 {
    padding: 2rem 2rem 0 2rem;
    background: rgb(234, 234, 234);
    position: relative;
}

.showcase-container-4 {
    max-width: 1400px;
    margin: 0 auto;
    margin-top: 3rem;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    flex-wrap: nowrap;
}

/* 네 번째 쇼케이스 첫 번째 아이템 - 세련되고 모던하게 */
.showcase-item-4:first-child {
    flex: 0 0 auto;
    width: 160px;
    height: 160px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #f1f3f4 100%);
    border: 1px solid rgba(17, 17, 17, 0.06);
    border-radius: 12px;
    padding: 16px;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.04),
        0 2px 8px rgba(0, 0, 0, 0.02),
        inset 0 1px 0 rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: visible;
    z-index: 1;
}

.showcase-item-4:first-child img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 16px;
}

/* CASE 4 라벨 - 더 세련되고 모던하게 */
body .showcase-item-4:first-child::after {
    content: "# CASE 4" !important;
    position: absolute !important;
    bottom: -2.5rem !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: auto !important;
    min-width: 110px !important;
    font-family: 'Inter Tight', sans-serif !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    color: rgba(17, 17, 17, 0.9) !important;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(248, 249, 250, 0.95) 100%) !important;
    padding: 0.5rem 1rem !important;
    border-radius: 8px !important;
    text-align: center !important;
    box-sizing: border-box !important;
    z-index: 10 !important;
    backdrop-filter: blur(12px) !important;
    border: 1px solid rgba(17, 17, 17, 0.08) !important;
    box-shadow: 
        0 4px 20px rgba(0, 0, 0, 0.06),
        0 2px 8px rgba(0, 0, 0, 0.03) !important;
    white-space: nowrap !important;
}

/* 네 번째 쇼케이스 두 번째, 세 번째 아이템 */
.showcase-item-4:nth-child(2) {
    flex: 0 0 auto;
    width: 320px;
    height: 213px;
    position: relative;
    z-index: 2;
    overflow: visible;
}

.showcase-item-4:nth-child(3) {
    flex: 0 0 auto;
    width: 400px;
    height: 267px;
    position: relative;
    z-index: 3;
    overflow: visible;
}

.showcase-item-4:nth-child(2) img,
.showcase-item-4:nth-child(2) video,
.showcase-item-4:nth-child(3) img,
.showcase-item-4:nth-child(3) video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid rgba(17, 17, 17, 0.06);
    box-shadow: 
        0 12px 40px rgba(0, 0, 0, 0.2),
        0 6px 20px rgba(0, 0, 0, 0.15) !important;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.showcase-item-4:nth-child(3) img,
.showcase-item-4:nth-child(3) video {
    border-radius: 12px;
    box-shadow: 
        0 16px 48px rgba(0, 0, 0, 0.25),
        0 8px 24px rgba(0, 0, 0, 0.18) !important;
}

/* 케이스 4 세 번째 이미지 호버 시 50% 더 크게 - 원래 위치에서 확대 */
.showcase-item-4:nth-child(3):hover img,
.showcase-item-4:nth-child(3):hover video {
    transform: scale(1.5);
    z-index: 1000;
    box-shadow: 
        0 12px 32px rgba(0, 0, 0, 0.2) !important;
}

.showcase-item-4 {
    flex: 1;
    max-width: 400px;
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.showcase-item-4:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
}

.showcase-image-4 {
    width: 100%;
    height: auto;
    display: block;
}

.showcase-video-4 {
    width: 100%;
    height: auto;
    display: block;
}

.portfolio-divider-bottom {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, rgba(17, 17, 17, 0.15) 50%, transparent 100%);
    margin: 60px 0;
    position: relative;
    overflow: hidden;
}

.portfolio-divider-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.9) 50%, transparent 100%);
    animation: lightMove 6s linear infinite;
    z-index: 1;
}

/* Landing Service Section */
.landing-service-section {
    padding: 4rem 2rem;
    background-color: rgb(234, 234, 234);
    position: relative;
    min-height: 100vh;
}

.landing-service-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    gap: 4rem;
    align-items: flex-start;
    position: relative;
}

.landing-text-content {
    flex: 1;
    width: 55%;
    padding-right: 2rem;
}

.landing-video-content {
    width: 45%;
    position: sticky;
    top: 100px;
    height: fit-content;
}

.service-intro {
    margin-bottom: 5rem;
    position: relative;
}

.service-intro::after {
    content: '';
    position: absolute;
    bottom: -2.5rem;
    left: 0;
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, rgb(17, 17, 17) 0%, rgba(17, 17, 17, 0.3) 100%);
}

.intro-main {
    font-family: 'Inter Tight', sans-serif;
    font-size: 2.4rem;
    font-weight: 300;
    color: rgb(17, 17, 17);
    line-height: 1.1;
    margin-bottom: 0;
    letter-spacing: -0.08em;
    max-width: 100%;
    position: relative;
    text-align: left;
    position: relative;
    z-index: 1;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.intro-main::before {
    content: '';
    position: absolute;
    top: -2rem;
    left: -3rem;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(17, 17, 17, 0.03) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}

.intro-main::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, rgb(17, 17, 17) 0%, rgba(17, 17, 17, 0.1) 100%);
}

.intro-main strong {
    color: rgb(0, 0, 0);
    font-weight: 700;
}

.service-feature {
    margin-bottom: 4rem;
    position: relative;
    padding-left: 3rem;
}

/* 세로선 */
.service-feature::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.5rem;
    width: 2px;
    height: 40px;
    background: linear-gradient(180deg, rgb(17, 17, 17) 0%, rgba(17, 17, 17, 0.2) 100%);
}

/* 숫자 라벨들 */
.service-feature:nth-child(2)::after {
    content: '01';
    position: absolute;
    top: -0.5rem;
    left: -2rem;
    font-family: 'Inter Tight', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(17, 17, 17, 0.3);
    letter-spacing: 0.1em;
}

.service-feature:nth-child(3)::after {
    content: '02';
    position: absolute;
    top: -0.5rem;
    left: -2rem;
    font-family: 'Inter Tight', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(17, 17, 17, 0.3);
    letter-spacing: 0.1em;
}

.service-feature:nth-child(4)::after {
    content: '03';
    position: absolute;
    top: -0.5rem;
    left: -2rem;
    font-family: 'Inter Tight', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(17, 17, 17, 0.3);
    letter-spacing: 0.1em;
}

.service-feature:nth-child(5)::after {
    content: '04';
    position: absolute;
    top: -0.5rem;
    left: -2rem;
    font-family: 'Inter Tight', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(17, 17, 17, 0.3);
    letter-spacing: 0.1em;
}

.service-feature h4 {
    font-family: 'Inter Tight', sans-serif;
    font-size: 1.7rem;
    font-weight: 700;
    color: rgb(17, 17, 17);
    margin-bottom: 1.8rem;
    letter-spacing: -0.02em;
    position: relative;
}

/* 짧은 밑줄 */
.service-feature h4::after {
    content: '';
    position: absolute;
    bottom: -0.8rem;
    left: 0;
    width: 40px;
    height: 1px;
    background: rgba(17, 17, 17, 0.2);
}

.service-feature p {
    font-family: 'Pretendard', sans-serif;
    font-size: 1.15rem;
    font-weight: 400;
    color: rgb(17, 17, 17);
    line-height: 1.4;
    margin-bottom: 0;
    letter-spacing: -0.005em;
    max-width: 95%;
}

.apt-video-container {
    margin: 30px 0;
    text-align: right;
}

.apt-video {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.ai-tech-video-container {
    margin: 30px 0;
}

.ai-tech-video {
    width: 100%;
    max-width: 600px;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.landing-video-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pop-art-video-container {
    width: 100%;
    max-width: 600px;
}

.pop-art-video {
    width: 100%;
    height: auto;
    border-radius: 16px;
}

/* Hover Effects - 이미지에만 적용 */
.showcase-container:hover .showcase-item:nth-child(2) img::before,
.showcase-container:hover .showcase-item:nth-child(3) img::before,
.showcase-container-2:hover .showcase-item-2:nth-child(2) img::before,
.showcase-container-2:hover .showcase-item-2:nth-child(3) img::before,
.showcase-container-3:hover .showcase-item-3:nth-child(2) img::before,
.showcase-container-3:hover .showcase-item-3:nth-child(3) img::before,
.showcase-container-4:hover .showcase-item-4:nth-child(2) img::before,
.showcase-container-4:hover .showcase-item-4:nth-child(3) img::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 16px;
    z-index: 1;
    pointer-events: none;
    transition: all 0.3s ease;
}

/* Animations */
@keyframes slideInFromLeft {
    0% {
        opacity: 0;
        transform: translateX(-30px);
    }
    100% {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .portfolio-advantages-section {
        padding: 4rem 2rem 2rem 2rem;
    }
    
    .portfolio-section-header h2 {
        font-size: 6rem;
    }
    
    .portfolio-section-header h3 {
        font-size: 1.8rem;
    }
    
    .portfolio-text-gif-container {
        flex-direction: column;
        gap: 2rem;
        padding: 2rem 1rem;
    }
    
    .portfolio-text-content {
        width: 100%;
        max-width: none;
        padding-left: 1rem;
        text-align: center;
        align-items: center;
    }
    
    .portfolio-right-video {
        width: 100%;
        max-width: none;
        padding: 1rem;
    }
    
    .portfolio-text-line-1,
    .portfolio-text-line-2 {
        font-size: 2.8rem;
        white-space: normal;
        margin-left: 0;
    }
    
    .portfolio-subtitle-text {
        margin-left: 0;
    }
    
    .showcase-container,
    .showcase-container-2,
    .showcase-container-3,
    .showcase-container-4 {
        flex-direction: column;
        gap: 30px;
        padding: 0 20px;
    }
    
    .showcase-item,
    .showcase-item-2,
    .showcase-item-3,
    .showcase-item-4 {
        max-width: 100%;
    }
    
    .landing-service-container {
        flex-direction: column;
        gap: 60px;
        padding: 0 20px;
    }
    
    .portfolio-section-header,
    .showcase-text {
        padding: 0 20px;
    }
}