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

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

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

/* Hero Section */
.index-hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    flex-direction: column;
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 0;
}

.index-hero-content {
    position: relative;
    z-index: 3;
    text-align: left;
    padding: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.index-hero-video-container {
    position: relative;
    width: 100%;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
    background: rgb(234, 234, 234);
}

.index-hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    background: transparent;
}

.index-video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 2;
}

.index-centered-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 3;
    width: 100%;
    padding: 0 20px;
}

.index-main-heading {
    font-family: 'Inter Tight', sans-serif;
    font-size: 4.5rem;
    font-weight: 700;
    color: white;
    margin: 0 0 1rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.index-sub-heading {
    font-family: 'Pretendard', sans-serif;
    font-size: 2.5rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    line-height: 1.4;
    letter-spacing: -0.05em;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Content Section */
.index-content-section {
    width: 100%;
    min-height: 80vh;
    background-color: rgb(234, 234, 234);
    display: flex;
    align-items: center;
    padding: 0;
    position: relative;
    overflow: visible;
    margin: 0;
}

.index-text-gif-container {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    min-height: 80vh;
    padding: 0;
    gap: 4rem;
}

.index-text-content {
    width: 50% !important;
    max-width: 800px !important;
    padding-left: 6rem !important;
    padding: 1rem 0 !important;
    position: relative !important;
    transition: all 0.3s ease !important;
    display: flex !important;
    flex-direction: column !important;
    justify-content: center !important;
    align-items: flex-start !important;
    text-align: left !important;
}

.index-company-intro {
    display: flex;
    align-items: flex-start;
    margin-top: 0;
    position: relative;
    width: 100%;
}

.index-main-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    position: relative;
    width: 100%;
    align-items: flex-start;
}

.index-subtitle-text {
    font-family: 'Inter Tight', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: rgb(17, 17, 17);
    margin-bottom: 2rem;
    margin-left: 2rem;
    letter-spacing: 0.02em;
    opacity: 0.8;
}

.index-text-line-1,
.index-text-line-2,
.index-text-line-3 {
    font-family: 'Pretendard', ui-sans-serif, system-ui, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol', 'Noto Color Emoji';
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.0;
    letter-spacing: -0.03em;
    color: rgb(17, 17, 17);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 1rem;
    width: 100%;
    padding-left: 2rem;
    white-space: nowrap;
    margin-bottom: 0.1rem;
}

.index-text-line-2 {
    font-size: 6rem;
}

.index-text-line-3 {
    font-size: 6rem;
}

.index-keyword-box {
    background: rgba(240, 240, 240, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 0;
    padding: 0.6rem 1.2rem;
    margin: 0 0.5rem;
    backdrop-filter: blur(20px);
    transition: all 0.3s ease;
    display: inline-block;
    white-space: nowrap;
    box-shadow: 1px 1px 1px rgba(0, 0, 0, 0.15);
    position: relative;
    min-width: fit-content;
    opacity: 0;
    transform: translateX(-200px);
    font-size: 0.9em;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-200px);
    }
    to {
        opacity: 1;
        transform: translateX(-30px);
    }
}

.index-keyword-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

.index-keyword-box:hover {
    background: rgba(250, 250, 250, 0.98);
    border-color: rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
    box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.12);
}

.index-right-video {
    width: 30% !important;
    max-width: 500px !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    padding: 2rem !important;
}

.index-right-video video {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
    object-fit: contain !important;
    border-radius: 16px !important;
}

/* Full Width Video Section */
.index-full-width-video-section {
    width: 100%;
    margin: 0;
    padding: 4rem 0 2rem 0;
    overflow: hidden;
    min-height: 80vh;
}

.index-video-container {
    width: 100%;
    height: auto;
    position: relative;
}

.index-full-width-video {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

/* Advantages Section */
.index-advantages-section {
    padding: 4rem 4rem 2rem 4rem; /* 9rem 4rem 4rem 4rem → 4rem 4rem 2rem 4rem으로 상하 여백 축소 */
    background-color: rgb(234, 234, 234);
    text-align: center;
    position: relative;
    overflow: visible;
    display: flex !important;
    flex-direction: column;
    align-items: flex-start;
    z-index: 1;
    visibility: visible !important;
    opacity: 1 !important;
    min-height: 400px;
    margin-top: 0;
}

.index-section-header {
    margin-bottom: 5rem; /* 10rem → 5rem으로 하단 여백 축소 */
    margin-top: 1rem;
    position: relative;
    width: 100%;
    text-align: center;
}

.index-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;
}

.index-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;
}

.index-advantages-grid {
    max-width: 1512px;
    width: 90%;
    margin: 0 auto; /* 0, margin-left: 0 → 0 auto로 중앙 정렬 */
    display: grid !important;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    position: relative;
    z-index: 1;
    visibility: visible !important;
    opacity: 1 !important;
    padding: 0 4rem; /* 0 2rem 0 4rem → 0 4rem으로 좌우 여백 동일하게 */
}

.index-advantage-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    width: 100%;
    max-width: 384px;
    margin: 0 auto;
}

.index-advantage-card {
    position: relative;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
    aspect-ratio: 1024/1536;
    overflow: hidden;
    border-radius: 28px;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        0 8px 16px rgba(0, 0, 0, 0.04),
        inset 0 2px 0 rgba(255, 255, 255, 0.8);
    display: block !important;
    z-index: 1;
    visibility: visible !important;
    opacity: 1 !important;
    min-height: 420px;
    height: 100%;
    max-height: 540px;
    margin-bottom: -0.5rem;
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.4);
    transform: translateY(0);
    width: 100%;
}

.index-advantage-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.12),
        0 12px 24px rgba(0, 0, 0, 0.08),
        inset 0 2px 0 rgba(255, 255, 255, 0.9);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.92));
    border-radius: 28px;
}

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

.index-card-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
    border-radius: 28px;
}

/* 2번 카드 비디오 특별 처리 */
.index-advantage-item:nth-child(2) .index-card-video video {
    object-fit: contain;
    background: #000;
}

/* 모든 비디오 루프 시 검은 화면 방지 */
.index-card-video video {
    transition: opacity 0.1s ease;
}

.index-card-video video::-webkit-media-controls {
    display: none !important;
}

.index-advantage-card:hover .index-card-video video {
    transform: scale(1.05);
}

.index-card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    padding: 0;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.5s ease;
    background: linear-gradient(
        180deg,
        rgba(17, 17, 17, 0.3) 0%,
        rgba(17, 17, 17, 0.6) 50%,
        rgba(17, 17, 17, 0.8) 100%
    );
}

.index-advantage-card:hover .index-card-content {
    opacity: 1;
}

.index-content-wrapper {
    padding: 2rem;
    width: 100%;
    text-align: center;
    transform: translateY(20px);
    transition: transform 0.5s ease;
}

.index-advantage-card:hover .index-content-wrapper {
    transform: translateY(0);
}

.index-content-wrapper h3 {
    font-family: 'Inter Tight', sans-serif;
    font-size: 1.75rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.index-card-number-text {
    position: relative;
    font-family: 'Pretendard', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: rgb(17, 17, 17);
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    letter-spacing: -0.02em;
    background: rgba(245, 245, 245, 0.95);
    padding: 1rem 1rem;
    border-radius: 0;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.15);
    margin: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    width: calc(100% - 3rem);
}

/* Section Divider */
.index-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: 80px auto;
    max-width: 1920px;
    position: relative;
    overflow: hidden;
}

.index-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;
}

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

.index-details-label {
    font-family: 'Pretendard', sans-serif;
    font-size: 4rem;
    font-weight: 700;
    color: rgb(17, 17, 17);
    text-align: left;
    margin: 40px auto 40px auto;
    max-width: 1920px;
    padding: 0 60px;
    letter-spacing: -0.01em;
    text-transform: uppercase;
}

/* Feature Section */
.index-feature-section {
    padding: 60px 0;
    background: rgb(234, 234, 234);
    position: relative;
    overflow: hidden;
}

.index-feature-container {
    max-width: 1920px;
    margin: 0 auto;
    padding: 0 60px;
    display: flex;
    align-items: stretch;
    gap: 120px;
    min-height: 700px;
    position: relative;
}

.index-feature-text-box {
    flex: 1.4;
    background: transparent;
    border: 1px solid rgba(0, 0, 0, 0.8);
    border-radius: 24px;
    padding: 48px 40px;
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

.index-feature-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    text-align: left;
    margin-left: -60px;
}

.index-feature-logo {
    position: absolute;
    top: 24px;
    right: 24px;
    z-index: 3;
}

.index-instagram-logo {
    width: 48px;
    height: 48px;
    opacity: 0.8;
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.1));
}

.index-feature-title {
    font-family: 'Pretendard', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: -0.05em;
    color: rgb(17, 17, 17);
    line-height: 1.2;
    margin: 0 0 40px 0;
    text-align: left;
    white-space: nowrap;
}

.index-feature-description {
    font-family: 'Pretendard', sans-serif;
    font-size: 1.3rem;
    font-weight: 400;
    color: rgb(51, 51, 51);
    line-height: 1.4;
    margin: 0;
    letter-spacing: -0.05em;
}

.index-feature-button {
    position: absolute;
    bottom: 40px;
    right: 24px;
    z-index: 3;
}

.index-learn-more-btn {
    font-family: 'Pretendard', sans-serif;
    font-size: 1.1rem;
    font-weight: 500;
    color: rgb(255, 255, 255);
    background: rgb(17, 17, 17);
    border: 1px solid rgb(17, 17, 17);
    border-radius: 8px;
    padding: 10px 40px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    height: 47px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 182px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
}

.index-learn-more-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.index-learn-more-btn:hover {
    background: rgb(34, 34, 34);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.index-learn-more-btn:hover::before {
    left: 100%;
}

.index-feature-image-panel {
    flex: 2.6;
    background: transparent;
    border-radius: 32px;
    padding: 0;
    position: relative;
    overflow: visible;
    display: flex;
    align-items: center;
    justify-content: center;
}

.index-feature-hero-image {
    width: 100%;
    height: auto;
    max-width: 100%;
    border-radius: 24px;
    object-fit: cover;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    mix-blend-mode: multiply;
}

.index-feature-hero-image:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.1);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .index-main-heading {
        font-size: 2.5rem;
    }
    
    .index-sub-heading {
        font-size: 1.2rem;
    }
    
    .index-text-gif-container {
        flex-direction: column !important;
        gap: 2rem !important;
        padding: 2rem 1rem !important;
    }
    
    .index-text-content {
        width: 100% !important;
        max-width: none !important;
        padding-left: 1rem !important;
        padding-right: 1rem !important;
        margin: 0 !important;
    }
    
    .index-text-line-1,
    .index-text-line-2,
    .index-text-line-3 {
        font-size: 2rem;
        padding-left: 1rem;
    }
    
    .index-keyword-box {
        font-size: 0.8em;
        padding: 0.4rem 0.8rem;
    }
    
    .index-right-video {
        width: 100% !important;
        height: auto;
        padding: 1rem !important;
    }
    
    .index-advantages-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }
    
    .index-section-header h2 {
        font-size: 3rem;
    }
    
    .index-section-header h3 {
        font-size: 1.5rem;
    }
    
    .index-feature-container {
        flex-direction: column;
        gap: 2rem;
        padding: 0 1rem;
        min-height: auto;
    }
    
    .index-feature-text-box {
        order: 1;
        flex: none;
        padding: 2rem 1rem;
    }
    
    .index-feature-image-panel {
        order: 2;
        flex: none;
    }
    
    .index-feature-title {
        font-size: 1.8rem;
        margin-bottom: 2rem;
        white-space: normal;
    }
    
    .index-feature-description {
        font-size: 1.2rem;
    }
    
    .index-full-width-video-section {
        padding: 2rem 0 1rem 0;
        min-height: 60vh;
    }
    
    .index-full-width-video-section .index-full-width-video {
        width: 100%;
        height: auto;
    }
    
    .index-section-divider {
        margin: 40px auto;
    }
    
    .index-details-label {
        font-size: 2.5rem;
        padding: 0 20px;
        text-align: center;
    }
}

/* Responsive adjustments for advantages section */
@media (max-width: 1400px) {
    .index-section-header h2 {
        font-size: 8rem;
    }
    
    .index-section-header h3 {
        font-size: 2rem;
        font-weight: 700;
        letter-spacing: -0.03em;
        margin: 0.8rem 0 0 0;
    }
    
    .index-advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
        max-width: 1200px;
        width: 100%;
        padding: 0 2rem;
    }
    
    .index-advantage-card {
        aspect-ratio: 1024/1536;
        min-height: 420px;
        border-radius: 24px;
    }
    
    .index-feature-container {
        gap: 80px;
        padding: 0 40px;
        min-height: 600px;
        align-items: stretch;
    }
    
    .index-feature-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    .index-feature-description {
        font-size: 1.3rem;
        line-height: 1.4;
    }
    
    .index-instagram-logo {
        width: 44px;
        height: 44px;
    }
    
    .index-details-label {
        font-size: 3rem;
        padding: 0 40px;
    }
}

@media (max-width: 1200px) {
    .index-feature-section {
        padding: 120px 0;
    }
    
    .index-feature-container {
        gap: 60px;
        padding: 0 30px;
        min-height: 500px;
        align-items: stretch;
    }
    
    .index-feature-title {
        font-size: 1.8rem;
        margin-bottom: 32px;
        line-height: 1.2;
    }
    
    .index-feature-description {
        font-size: 1.2rem;
        line-height: 1.4;
    }
    
    .index-feature-image-panel {
        padding: 0;
    }
    
    .index-instagram-logo {
        width: 40px;
        height: 40px;
    }
    
    .index-details-label {
        font-size: 2.5rem;
        padding: 0 30px;
    }
}