/* ==================================================
DESIGN & DELIVER 섹션 - 통합 스타일 (분리된 파일)
================================================== */
/* 1. 섹션 기본 레이아웃 */
.design-section-1, .design-section-2,
.deliver-section-1, .deliver-section-2 {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    background-color: var(--current-bg);
    color: var(--current-text);
    overflow: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* 2. 스크롤 애니메이션을 위한 최소 높이 */
.design-section-1 { min-height: 400vh; }
.deliver-section-1 { min-height: 400vh; }
.design-section-2 { min-height: 100vh; }
.deliver-section-2 { min-height: 100vh; }

/* 3. 화면에 고정될 컨테이너 */
.pin-wrapper {
    width: 100%;
    height: 100vh; /* 높이 상속 체인의 시작점 */
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* ==================================================
DESIGN, DELIVER 헤더 스타일 (변경 없음)
================================================== */
.design-header-1-content { position: relative; }
.design-container { position: relative; display: inline-block; font-family: 'Albert Sans', sans-serif; font-weight: 800; font-size: clamp(80px, 12vw, 150px); letter-spacing: 0.05em; }
.design-shadow-group, .design-main { position: absolute; top: 0; left: 0; font-family: inherit; font-weight: inherit; font-size: inherit; letter-spacing: inherit; }
.design-shadow-group { display: flex; position: relative; z-index: 1; }
.design-shadow { display: inline-block; position: relative; color: transparent; font-family: inherit; font-weight: inherit; font-size: inherit; letter-spacing: inherit; }
.design-main { z-index: 2; color: var(--current-text-secondary); }
.design-header-2, .deliver-header-2 { position: absolute; top: 50px; left: 50%; transform: translateX(-50%); font-family: 'Albert Sans', sans-serif; font-weight: 800; font-size: clamp(60px, 8vw, 100px); letter-spacing: 0.05em; color: var(--text-tertiary-color); text-shadow: 0px 2px 10px rgba(0,0,0,0.1); white-space: nowrap; z-index: 5; opacity: 1; will-change: auto; visibility: hidden !important; }

/* ==================================================
content-slide 컨테이너 스타일 (공통) - Used by Design-1/Deliver-1 pinned sections
================================================== */
.design-section-1 .content-slide,
.deliver-section-1 .content-slide {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0; /* JS 스크롤 애니메이션을 위해 기본적으로 숨김 */
    will-change: opacity, transform;
    text-align: center;
    width: 90%;
    max-width: 1000px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    pointer-events: none; /* JS 스크롤 애니메이션을 위해 기본적으로 비활성화 */
    color: var(--current-text);
}

/* design-1/deliver-1의 하위 요소들은 기존 스타일 유지 */
.design-section-1 .content-slide.empty-slide,
.deliver-section-1 .content-slide.empty-slide { opacity: 0; pointer-events: none; transition: opacity 0.3s; min-height: 60vh; width: 100vw; display: flex; align-items: center; justify-content: center; font-size: 2rem; border: 2px dashed var(--current-border); color: var(--current-text-secondary); }
.design-section-1 .after-pin-buffer,
.deliver-section-1 .after-pin-buffer { height: 20vh; width: 100vw; background: transparent; }
.design-section-1 .content-slide.combined-header-intro,
.deliver-section-1 .content-slide.combined-header-intro { flex-direction: row; align-items: center; justify-content: center; gap: 40px; padding-top: 20px; pointer-events: auto; }
.design-section-1 .content-slide.combined-header-intro .design-header-1-content,
.deliver-section-1 .content-slide.combined-header-intro .design-header-1-content { flex-shrink: 0; width: 40%; display: flex; align-items: center; justify-content: center; }
.design-section-1 .content-slide.combined-header-intro .section-intro-text,
.deliver-section-1 .content-slide.combined-header-intro .section-intro-text { max-width: 50%; text-align: left; color: var(--current-text); }
.design-section-1 .content-slide.overview-features-slide,
.deliver-section-1 .content-slide.overview-features-slide { flex-direction: row; align-items: flex-start; justify-content: center; gap: 40px; pointer-events: auto; }
.design-section-1 .content-slide.overview-features-slide .text-block,
.deliver-section-1 .content-slide.overview-features-slide .text-block { width: 45%; margin-bottom: 0; }
.design-section-1 .content-slide.overview-features-slide .features-summary,
.deliver-section-1 .content-slide.overview-features-slide .features-summary { width: 50%; text-align: left; }
.design-section-1 .content-slide .text-block,
.deliver-section-1 .content-slide .text-block { width: 100%; max-width: 600px; margin-bottom: 20px; text-align: left; font-size: clamp(1rem, 1.3vw, 1.1rem); line-height: 1.8; color: var(--current-text); }
.design-section-1 .content-slide .text-block h4,
.deliver-section-1 .content-slide .text-block h4 { font-size: clamp(1.4rem, 2vw, 1.8rem); margin-bottom: 15px; color: var(--current-text); }
.design-section-1 .content-slide .image-wrapper,
.deliver-section-1 .content-slide .image-wrapper { width: 100%; flex-shrink: 0; display: flex; flex-direction: column; align-items: center; }
.design-section-1 .content-slide img,
.deliver-section-1 .content-slide img { width: 100%; height: auto; object-fit: contain; border-radius: 10px; box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15); max-width: 100%; }
.design-section-1 .image-caption,
.deliver-section-1 .image-caption { display: block; width: 100%; margin-top: 10px; font-size: clamp(0.7rem, 0.9vw, 0.9rem); color: var(--text-secondary-color); line-height: 1.5; font-style: italic; opacity: 0.9; text-align: center; }
.design-section-1 .content-slide.image-text-right, .design-section-1 .content-slide.image-text-left,
.deliver-section-1 .content-slide.image-text-right, .deliver-section-1 .content-slide.image-text-left { flex-direction: row; gap: 40px; justify-content: space-between; pointer-events: auto; }
.design-section-1 .content-slide.image-text-right .text-block,
.deliver-section-1 .content-slide.image-text-right .text-block { width: 45%; order: 1; }
.design-section-1 .content-slide.image-text-right .image-wrapper,
.deliver-section-1 .content-slide.image-text-right .image-wrapper { width: 50%; order: 2; }
.design-section-1 .content-slide.image-text-left .text-block,
.deliver-section-1 .content-slide.image-text-left .text-block { width: 45%; order: 2; }
.design-section-1 .content-slide.image-text-left .image-wrapper,
.deliver-section-1 .content-slide.image-text-left .image-wrapper { width: 50%; order: 1; }
.design-section-1 .content-slide.horizontal-two .image-wrapper,
.deliver-section-1 .content-slide.horizontal-two .image-wrapper { width: 48%; }
.design-section-1 .content-slide.horizontal-three .image-wrapper,
.deliver-section-1 .content-slide.horizontal-three .image-wrapper { width: 31%; }
.design-section-1 .content-slide.horizontal-two, .design-section-1 .content-slide.horizontal-three,
.deliver-section-1 .content-slide.horizontal-two, .deliver-section-1 .content-slide.horizontal-three { flex-direction: row; flex-wrap: wrap; justify-content: center; gap: 20px; }
.design-section-1 .content-slide.image-with-caption,
.deliver-section-1 .content-slide.image-with-caption { width: 60vw; max-width: 900px; }
.design-section-1 .content-slide.image-with-caption .image-wrapper,
.deliver-section-1 .content-slide.image-with-caption .image-wrapper { width: 100%; }
.features-summary { max-width: 800px; text-align: left; background: var(--background-card); padding: clamp(1.5rem, 4vw, 2.5rem); border-radius: 12px; backdrop-filter: blur(10px); border: 1px solid var(--border-primary-color); box-shadow: 0 4px 30px rgba(0,0,0,0.1); }
.features-summary h4 { margin-top: 0; margin-bottom: 1.5rem; font-size: clamp(1.2rem, 2vw, 1.5rem); color: var(--current-text); }
.features-summary ul { list-style: none; padding-left: 0; }
.features-summary li { display: list-item !important; margin-bottom: 1rem; font-size: clamp(0.9rem, 1.2vw, 1rem); line-height: 1.6; color: var(--current-text); }
.features-summary b { color: var(--text-primary-color); }

/* ==================================================
Carousel Specific Styles for design-2 and deliver-2 (FINAL VERSION)
================================================== */

/* ★★★ 1. 높이 상속 체인 및 기본 구조 확립 ★★★ */
.design-section-2 .gallery-carousel-container,
.design-section-2 .gallery-carousel,
.design-section-2 .carousel-slide-content,
.deliver-section-2 .gallery-carousel-container,
.deliver-section-2 .gallery-carousel,
.deliver-section-2 .carousel-slide-content {
    height: 100%;
    min-height: 0;
}

.design-section-2 .gallery-carousel-container,
.deliver-section-2 .gallery-carousel-container {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    overflow: hidden; 
    box-sizing: border-box;
    padding: 0 60px;
}

.design-section-2 .gallery-carousel,
.deliver-section-2 .gallery-carousel {
    display: flex; 
    margin: 0; 
    padding: 0; 
    list-style: none;
    height: 100%;
}

.design-section-2 .carousel-slide-content,
.deliver-section-2 .carousel-slide-content {
    flex-shrink: 0;
    display: flex;
    box-sizing: border-box;
    height: 100%;
    width: 100%;
    padding: 0 20px;
}
.design-section-2 .carousel-slide-content:first-child,
.deliver-section-2 .carousel-slide-content:first-child { padding-left: 0; }
.design-section-2 .carousel-slide-content:last-child,
.deliver-section-2 .carousel-slide-content:last-child { padding-right: 0; }


/* ★★★ 2. 슬라이드 내부 레이아웃 최종 수정 (핵심 패턴) ★★★ */
.design-section-2 .carousel-inner-slide,
.deliver-section-2 .carousel-inner-slide {
    display: flex;
    flex-direction: column; /* 기본 방향은 수직 */
    height: 100%;
    width: 100%;
    min-height: 0;
    box-sizing: border-box;
    padding: 20px 0;
    justify-content: center;
}

.design-section-2 .carousel-inner-slide .image-wrapper,
.deliver-section-2 .carousel-inner-slide .image-wrapper {
    flex: 1 1 0;
    min-height: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.design-section-2 .carousel-inner-slide img,
.deliver-section-2 .carousel-inner-slide img {
    max-height: 100%;
    max-width: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
}

.design-section-2 .carousel-inner-slide .image-caption,
.deliver-section-2 .carousel-inner-slide .image-caption {
    flex-shrink: 0;
    width: 100%;
    margin-top: 12px;
    min-height: 1.5em;
    text-align: center;
    font-size: clamp(0.7rem, 0.9vw, 0.9rem);
    color: var(--text-secondary-color);
    line-height: 1.5;
    font-style: italic;
    opacity: 0.9;
}

/* ★★★ 3. (추가 개선) 특정 슬라이드 레이아웃 오버라이드 ★★★ */
/* 텍스트와 이미지가 함께 있는 슬라이드는 수평(row)으로 배열 */
.design-section-2 .carousel-inner-slide.image-text-left,
.design-section-2 .carousel-inner-slide.image-text-right,
.deliver-section-2 .carousel-inner-slide.image-text-left,
.deliver-section-2 .carousel-inner-slide.image-text-right {
    flex-direction: row;
    align-items: center;
    gap: 40px;
}

/* ★★★ 수정: 텍스트/이미지 슬라이드 내부 요소들의 너비와 순서 지정 ★★★ */
.design-section-2 .carousel-inner-slide.image-text-right .text-block,
.deliver-section-2 .carousel-inner-slide.image-text-right .text-block {
    width: 45%;
    flex: 0 0 45%;
    order: 1;
}

.design-section-2 .carousel-inner-slide.image-text-right .image-wrapper,
.deliver-section-2 .carousel-inner-slide.image-text-right .image-wrapper {
    width: 50%;
    flex: 1 1 50%;
    order: 2;
    height: 100%;
}

.design-section-2 .carousel-inner-slide.image-text-left .text-block,
.deliver-section-2 .carousel-inner-slide.image-text-left .text-block {
    width: 45%;
    flex: 0 0 45%;
    order: 2;
}

.design-section-2 .carousel-inner-slide.image-text-left .image-wrapper,
.deliver-section-2 .carousel-inner-slide.image-text-left .image-wrapper {
    width: 50%;
    flex: 1 1 50%;
    order: 1;
    height: 100%;
}

/* 여러 이미지가 있는 슬라이드도 수평(row)으로 배열 */
.design-section-2 .carousel-slide-content.horizontal-two-container .carousel-inner-slide,
.design-section-2 .carousel-slide-content.horizontal-three-container .carousel-inner-slide,
.deliver-section-2 .carousel-slide-content.horizontal-two-container .carousel-inner-slide,
.deliver-section-2 .carousel-slide-content.horizontal-three-container .carousel-inner-slide {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    overflow: auto;
    align-items: stretch;
}

.design-section-2 .carousel-slide-content.horizontal-two-container .image-wrapper,
.design-section-2 .carousel-slide-content.horizontal-three-container .image-wrapper,
.deliver-section-2 .carousel-slide-content.horizontal-two-container .image-wrapper,
.deliver-section-2 .carousel-slide-content.horizontal-three-container .image-wrapper {
    flex-grow: 1;
    flex-shrink: 1;
    min-width: 200px;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.design-section-2 .carousel-slide-content.horizontal-two-container .image-wrapper,
.deliver-section-2 .carousel-slide-content.horizontal-two-container .image-wrapper {
    flex-basis: calc((100% - 20px) / 2);
}
.design-section-2 .carousel-slide-content.horizontal-three-container .image-wrapper,
.deliver-section-2 .carousel-slide-content.horizontal-three-container .image-wrapper {
    flex-basis: calc((100% - 40px) / 3);
}


/* Nav Buttons */
.nav-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: transparent;
    color: black;
    border: none;
    padding: 15px 10px;
    font-size: 2em;
    cursor: var(--cursor-default);
    z-index: 1000;
    border-radius: 5px;
    transition: color 0.3s ease, transform 0.3s ease;
    pointer-events: auto;
    user-select: none;
}
.nav-button:hover {
    transform: translateY(-50%) scale(1.05);
}
body[data-theme="dark"] .nav-button {
    color: white;
}
.nav-button.prev-button { left: 0; }
.nav-button.next-button { right: 0; }

/* ==================================================
반응형 (모바일) 설정 
================================================== */
@media (min-width: 769px) {
    .design-shadow-group,
    .design-main {
        margin-bottom: 100px;
        margin-left: 50px;
        transform: translateY(-100px);
    }
    .content-slide.combined-header-intro .section-intro-text {
        margin-top: 100px;
        transform: translateY(100px);
    }
}
@media (max-width: 768px) {
    .design-section-1, .design-section-2, .deliver-section-1, .deliver-section-2 {
        min-height: auto;
        padding: 10vh 5vw;
    }
    .pin-wrapper {
        height: auto;
        position: static !important;
        flex-direction: column;
    }
    .design-header-1-content, .design-header-2, .deliver-header-2 {
        position: relative;
        top: auto;
        left: auto;
        transform: none;
        opacity: 1;
        margin-bottom: 5vh;
        width: 100%;
        text-align: center;
    }
    .design-header-2, .deliver-header-2 {
        color: var(--current-text);
        text-shadow: none;
    }
    .design-container { font-size: 3rem; }
    .design-main {
        position: relative;
        text-shadow: none;
        color: var(--current-text);
    }
    .design-shadow-group { display: none; }
    .design-section-1 .content-slide,
    .deliver-section-1 .content-slide {
        position: relative !important;
        top: auto !important;
        left: auto !important;
        transform: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        margin-bottom: 8vh;
        width: 100% !important;
        flex-direction: column;
        padding: 0;
        pointer-events: auto !important;
        height: auto !important;
    }
    .content-slide.empty-slide { display: none !important; }
    .content-slide.combined-header-intro,
    .content-slide.overview-features-slide,
    .content-slide.image-text-right,
    .content-slide.image-text-left,
    .content-slide.horizontal-two,
    .content-slide.horizontal-three {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }
    .content-slide.combined-header-intro .design-header-1-content,
    .content-slide.overview-features-slide .text-block,
    .content-slide.overview-features-slide .features-summary,
    .content-slide.image-text-right .text-block,
    .content-slide.image-text-left .text-block,
    .content-slide.image-text-right .image-wrapper,
    .content-slide.image-text-left .image-wrapper,
    .content-slide.horizontal-two .image-wrapper,
    .content-slide.horizontal-three .image-wrapper {
        width: 100%;
        max-width: 100%;
        order: unset;
        text-align: center;
    }
    /* .content-slide .text-block h4,
    .content-slide.overview-features-slide .features-summary h4 {
        text-align: center;
    } */
    .nav-button { display: none !important; }
    .gallery-carousel-container {
        height: auto;
        padding: 0;
    }
    .carousel-slide-content {
        flex-direction: column;
        padding: 0;
        margin: 0 0 40px 0;
        width: 100%;
        height: auto;
    }
    .carousel-inner-slide {
        padding: 0 10px;
        height: auto;
    }
}