/* About Page - 統一設計系統整合 */

/* 使用統一的頁面標題樣式 - 已在 styles.css 中定義 */

/* 統計數據格子 - 採用統一設計 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.stat-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: 0 8px 24px var(--shadow-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 102, 102, 0.1);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 16px 40px var(--shadow-medium);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-number {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.8rem;
    display: block;
}

.stat-label {
    color: var(--text-medium);
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}

/* 公司簡介區塊 */
.company-intro {
    padding: 6rem 0;
    background: var(--white);
}

.intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    margin-bottom: 5rem;
}

.intro-text h2 {
    font-size: clamp(2rem, 4vw, 2.3rem);
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 2.5rem;
    position: relative;
}

.intro-text p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: 2rem;
}

.intro-image {
    position: relative;
}

.intro-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    opacity: 0.1;
    z-index: 0;
}

.intro-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 60px var(--shadow-medium);
    position: relative;
    z-index: 1;
}

/* 願景使命 */
.vision-mission {
    padding: 6rem 0;
    background: var(--gradient-bg);
    position: relative;
}

.vision-mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.vision-card,
.mission-card,
.values-card {
    background: var(--white);
    padding: 3rem 2.5rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: 0 8px 24px var(--shadow-light);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.vision-card::before,
.mission-card::before,
.values-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.vision-card:hover,
.mission-card:hover,
.values-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 60px var(--shadow-medium);
}

.vision-card:hover::before,
.mission-card:hover::before,
.values-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: 0 8px 20px var(--shadow-light);
}

.card-icon img {
    width: 80%;
    height: 80%;
    border-radius: 50%;
}

.vision-card h3,
.mission-card h3,
.values-card h3 {
    color: var(--primary-color);
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.vision-card p,
.mission-card p,
.values-card p {
    color: var(--text-medium);
    line-height: 1.7;
    font-size: 1.1rem;
}

/* 團隊 */
.team-section {
    padding: 6rem 0;
    background: var(--white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.team-member {
    padding: 3rem 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    transition: all var(--transition-normal);
    border: 1px solid rgba(0, 102, 102, 0.1);
    position: relative;
    overflow: hidden;
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.team-member:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 40px var(--shadow-medium);
    background: var(--white);
}

.team-member:hover::before {
    opacity: 1;
}

.member-photo {
    margin-bottom: 2rem;
    position: relative;
}

.member-photo::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 170px;
    height: 170px;
    background: var(--gradient-primary);
    border-radius: 50%;
    opacity: 0.1;
    z-index: 0;
}

.member-photo img {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    position: relative;
    z-index: 1;
    border: 4px solid var(--white);
    box-shadow: 0 8px 24px var(--shadow-light);
}

.member-info h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.member-title {
    color: var(--primary-light);
    font-weight: 600;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.member-bio {
    color: var(--text-medium);
    line-height: 1.7;
    font-size: 1rem;
}

/* 公司歷程 */
.company-history {
    padding: 5rem 0;
    background: var(--gradient-bg);
}

.history-timeline {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    padding: 2rem 0;
}

.history-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    display: flex;
    align-items: center;
    margin-bottom: 4rem;
    position: relative;
    min-height: 120px;
    border-left: 0;
    box-shadow: none;
    background-color: transparent;
}

.timeline-item:hover {
    box-shadow: none;
}


.timeline-year {
    background: var(--primary-color);
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 25px;
    font-weight: 600;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    min-width: 100px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 102, 102, 0.3);
    border: 3px solid var(--white);
}

.timeline-content {
    background: var(--white);
    padding: 2.5rem;
    border-left: 4px solid var(--primary-color);
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 102, 102, 0.15);
    width: 45%;
    max-width: 400px;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px rgba(0, 102, 102, 0.2);
}

.timeline-content h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
}

.timeline-content p {
    color: var(--text-medium);
    line-height: 1.6;
}

.timeline-item:nth-child(odd) {
    justify-content: flex-start;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-right: 3rem;
}

.timeline-item:nth-child(even) {
    justify-content: flex-end;
}

.timeline-item:nth-child(even) .timeline-content {
    border-left: 0;
    border-right: 4px solid var(--primary-color);
    margin-left: 3rem;
}

/* 永續發展 */
.sustainability {
    padding: 5rem 0;
    background: var(--white);
}

.sustainability-content {
    text-align: center;
}

.sustainability-text {
    max-width: 800px;
    margin: 0 auto 3rem;
}

.sustainability-text p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-medium);
}

.sustainability-pillars {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.pillar {
    background: var(--secondary-color);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: transform 0.3s ease;
}

.pillar:hover {
    transform: translateY(-5px);
}

.pillar-icon {
    margin-bottom: 1rem;
}

.pillar-icon img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.pillar h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.pillar p {
    color: var(--text-medium);
    line-height: 1.6;
}

/* Contact CTA */
.contact-cta {
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

/* Navigation Active State */
.nav-link.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* 時間軸基礎樣式 */
.timeline-item {
    transition: all 0.6s ease;
}

.text-center {
    width: 100%;
    text-align: center !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }
    
    .page-subtitle {
        font-size: 1.1rem;
    }
    
    .intro-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .intro-text h2 {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .vision-mission-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .history-timeline {
        padding: 1rem;
    }
    
    .history-timeline::before {
        left: 30px;
        transform: none;
    }
    
    .timeline-item {
        flex-direction: row !important;
        justify-content: flex-start !important;
        margin-bottom: 2rem;
        min-height: auto;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin: 0 0 0 5rem;
        width: calc(100% - 6rem);
        max-width: none;
    }
    
    .timeline-year {
        position: absolute;
        left: 30px;
        transform: translateX(-50%);
        min-width: 70px;
        font-size: 0.9rem;
        padding: 0.8rem 1rem;
        border-radius: 20px;
    }
    
    .timeline-content {
        padding: 1.5rem;
    }
    
    .sustainability-pillars {
        grid-template-columns: 1fr;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .page-hero {
        padding: 6rem 0 3rem;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .vision-card,
    .mission-card,
    .values-card {
        padding: 2rem;
    }
    
    .history-timeline::before {
        left: 20px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin: 0 0 0 3.5rem;
        width: calc(100% - 4.5rem);
    }
    
    .timeline-year {
        left: 20px;
        min-width: 60px;
        font-size: 0.8rem;
        padding: 0.6rem 0.8rem;
    }
    
    .timeline-content {
        padding: 1.2rem;
        border-radius: 8px;
    }
    
    .pillar {
        padding: 1.5rem;
    }
}

/* 確保動畫元素效能優化 */
.stat-card,
.vision-card,
.mission-card,
.values-card,
.team-member,
.timeline-item,
.pillar {
    will-change: transform, opacity;
}