/* [1. 시스템 초기화 및 스티키 활성화] */
html, body {
    /* 스티키(Sticky) 작동을 위해 html/body에는 overflow-x: hidden을 절대 주지 않습니다 */
    overflow-x: visible !important;
    width: 100%;
    margin: 0;
    padding: 0;
}

#premium-design-wrapper {
    --glass-border: rgba(30, 43, 88, 0.1);
    --nav-height: 200px; /* 네비게이션 높이 */
    
    background-color: #ffffff;
    color: #1e293b;
    width: 100%;
    
    /* [핵심] overflow-x: clip은 sticky를 깨뜨리지 않고 화면 밖 여백만 자릅니다. */
    overflow-x: clip !important; 
    overflow-y: visible !important;
    position: relative;
    margin: 0 !important;
    padding: 0 !important;
}

/* [2. 스크롤 트랙 설정] */
#premium-design-wrapper .scroll-container {
    position: relative;
    display: flex;
    flex-direction: column; 
    height: 350vh; /* 비디오 재생 구간 */
    background-color: #fdfcff;
    margin: 0 !important;
    padding: 0 !important;
    /* 자식 요소의 sticky 작동을 위해 부모의 overflow는 반드시 visible이어야 함 */
    overflow: visible !important; 
}

/* [3. 스티키 비디오 영역] */
#premium-design-wrapper .sticky-graphic {
    position: -webkit-sticky;
    position: sticky;
    top: var(--nav-height); 
    width: 100%;
    height: calc(100vh - var(--nav-height));
    overflow: hidden;
    background-color: #f7f7f7;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 !important;
}

/* 비디오 슬로건 레이어 */
#premium-design-wrapper .video-slogan-overlay {
    position: absolute;
    z-index: 15;
    top: 15%;
    left: 0;
    width: 100%;
    text-align: center;
    pointer-events: none;
}

#premium-design-wrapper .video-slogan-overlay .slogan-title {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 비디오 반응형 크기 */
#premium-design-wrapper .sticky-graphic video {
    width: 120%; /* 모바일 */
    height: auto;
    max-width: none;
    max-height: 95%;
    object-fit: contain;
    opacity: 1;
}

@media (min-width: 768px) {
    #premium-design-wrapper .sticky-graphic video {
        width: 60%; /* PC */
    }
    #premium-design-wrapper .video-slogan-overlay {
        top: 5%;
    }
}

/* [4. 하단 콘텐츠 영역] */
#premium-design-wrapper .scrolling-content {
    width: 100%;
    position: relative;
    z-index: 20;
    min-height: 500px;
    margin-top: auto; 
    background-color: rgba(120, 182, 138, 0.2);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    padding: 4rem 0;
}

#premium-design-wrapper .scrolling-content-inner {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* [5. 디테일 아이템 스타일] */
#premium-design-wrapper .content-block {
    margin-bottom: 2.5rem;
    position: relative;
}

#premium-design-wrapper .detail-item {
    padding-left: 1.5rem;
    border-left: 4px solid #1e2b58;
    margin-top: 1.5rem;
    background: rgba(255, 255, 255, 0.5);
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
    border-radius: 0 12px 12px 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

#premium-design-wrapper .detail-item h3 {
    color: #1e2b58;
    margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
    #premium-design-wrapper .details-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    #premium-design-wrapper .detail-item {
        margin-top: 0;
    }
}

/* [6. AOS 여백 생성 방지] */
[data-aos] {
    pointer-events: none;
}
.aos-animate {
    pointer-events: auto;
}