/* ======================================
   프로젝트 상세 페이지 스타일
   ====================================== */

:root {
    --project-spacing: 4rem;
}

/* 컨테이너 - 와이드 버전 */
.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ======================================
   네비게이션 (상세 페이지용)
   ====================================== */

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.back-link:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.back-link i {
    font-size: 0.875rem;
}

/* ======================================
   프로젝트 히어로
   ====================================== */

.project-hero {
    padding: 120px 0 var(--project-spacing);
    background: linear-gradient(135deg, rgba(255, 214, 232, 0.1) 0%, rgba(255, 214, 232, 0.05) 100%);
}

.project-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.project-breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.project-breadcrumb a:hover {
    color: var(--primary-color);
}

.project-breadcrumb i {
    font-size: 0.75rem;
}

.project-breadcrumb .current {
    color: var(--text-primary);
    font-weight: 500;
}

.project-header {
    max-width: 800px;
    margin-bottom: var(--spacing-xl);
}

.project-tags {
    display: flex;
    gap: 0.75rem;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.project-tags .tag {
    padding: 0.5rem 1rem;
    background: var(--gradient-primary);
    color: #111111;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
}

.project-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    color: var(--text-primary);
}

.project-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-xl);
}

/* 프로젝트 액션 버튼 */
.project-actions {
    margin-top: var(--spacing-xl);
    display: flex;
    gap: var(--spacing-md);
}

.project-actions .btn {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* 프로젝트 메타 정보 */
.project-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.meta-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.meta-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
}

.meta-item > div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.meta-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.meta-value {
    font-size: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

/* ======================================
   이미지 갤러리
   ====================================== */

.project-gallery {
    padding: var(--project-spacing) 0;
    background: var(--bg-gray);
}

.gallery-main {
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.gallery-image {
    width: 100%;
    height: auto;
    display: block;
    transition: opacity var(--transition-base);
}

.gallery-image:not(.active) {
    display: none;
}

/* 갤러리 비디오 */
.gallery-video {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

.gallery-thumbnails {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.thumbnail {
    width: 150px;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 3px solid transparent;
}

.thumbnail:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.thumbnail.active {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

/* ======================================
   프로젝트 스토리
   ====================================== */

.project-story {
    padding: var(--project-spacing) 0;
}

.story-content {
    max-width: 800px;
    margin: 0 auto var(--spacing-xl);
}

.story-text {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.story-text p {
    margin-bottom: var(--spacing-md);
}

/* 주요 성과 */
.story-highlights {
    margin-top: var(--spacing-xl);
}

.highlights-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--text-primary);
}

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

.highlight-card {
    text-align: center;
    padding: var(--spacing-xl);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.highlight-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: 1.5rem;
    color: #111111;
}

.highlight-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.highlight-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* ======================================
   프로젝트 상세 내용
   ====================================== */

.project-details {
    padding: var(--project-spacing) 0;
    background: var(--bg-gray);
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.detail-section {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.detail-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.detail-title i {
    color: var(--primary-color);
}

.detail-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.detail-section ul {
    list-style: none;
    padding: 0;
}

.detail-section li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.75rem;
    color: var(--text-secondary);
}

.detail-section li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* ======================================
   관련 프로젝트
   ====================================== */

.related-projects {
    padding: var(--project-spacing) 0;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.related-card {
    display: block;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-decoration: none;
}

.related-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.related-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.related-card:hover .related-image img {
    transform: scale(1.05);
}

.related-content {
    padding: var(--spacing-lg);
}

.related-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.related-category {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* 프로젝트 네비게이션 */
.project-navigation {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: var(--spacing-lg);
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.nav-btn:hover {
    background: var(--gradient-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.nav-btn:hover * {
    color: #111111;
}

.nav-btn i {
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: color var(--transition-fast);
}

.nav-btn > div {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.nav-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-btn.prev-project {
    justify-content: flex-start;
}

.nav-btn.next-project {
    justify-content: flex-end;
}

.nav-btn.all-projects {
    justify-content: center;
}

/* ======================================
   CTA 섹션
   ====================================== */

.project-cta {
    padding: var(--project-spacing) 0;
    background: linear-gradient(135deg, rgba(255, 214, 232, 0.2) 0%, rgba(255, 214, 232, 0.05) 100%);
}

.cta-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.cta-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

/* ======================================
   반응형 디자인
   ====================================== */

@media (max-width: 768px) {
    .project-title {
        font-size: 2rem;
    }

    .project-subtitle {
        font-size: 1rem;
    }

    .project-meta {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .highlights-grid {
        grid-template-columns: 1fr;
    }

    .details-grid {
        grid-template-columns: 1fr;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .project-navigation {
        grid-template-columns: 1fr;
    }

    .nav-btn.next-project {
        flex-direction: row-reverse;
    }

    .thumbnail {
        width: 100px;
        height: 70px;
    }
}

@media (max-width: 480px) {
    .project-hero {
        padding: 100px 0 var(--spacing-lg);
    }

    .project-title {
        font-size: 1.75rem;
    }

    .highlights-title {
        font-size: 1.5rem;
    }

    .highlight-number {
        font-size: 2rem;
    }

    .cta-title {
        font-size: 1.5rem;
    }
}