/* ----------------------------------------------
   極簡美學 · 純黑背景 · 白灰文字 · 香檳金點綴
   作品集頁面專用
------------------------------------------------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #000000;
    color: #FFFFFF;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.5;
    overflow-x: hidden;
}

/* ---------- 毛玻璃導覽列 ---------- */
.glass-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.2rem 2rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: #FFFFFF;
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: opacity 0.2s;
}

.nav-logo:hover {
    opacity: 0.7;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-btn {
    color: #FFFFFF;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.nav-btn.active {
    opacity: 1;
    color: #D4AF37;
}

.nav-btn:hover {
    opacity: 1;
}

/* ---------- 主內容區 ---------- */
.portfolio-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 2rem 100px;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    width: 100%;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-label {
    font-size: 0.75rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: #888888;
    margin-bottom: 1rem;
}

.section-header h1 {
    font-size: 3rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    color: #FFFFFF;
}

.section-subtitle {
    font-size: 1rem;
    color: #AAAAAA;
}

/* 專案網格 */
.projects-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 900px;
    margin: 0 auto;
}

/* 專案卡片 */
.project-card {
    background: rgba(15, 15, 25, 0.4);
    backdrop-filter: blur(4px);
    border-radius: 32px;
    border: 1px solid rgba(212, 175, 55, 0.2);
    overflow: hidden;
    display: flex;
    flex-direction: row;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-5px);
    border-color: rgba(212, 175, 55, 0.5);
    box-shadow: 0 20px 35px -12px rgba(0, 0, 0, 0.5);
}

/* 卡片圖片區 */
.card-image {
    flex: 0.8;
    background: #0A0A14;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.project-card:hover .card-image img {
    transform: scale(1.02);
}

/* 卡片內容區 */
.card-content {
    flex: 1.5;
    padding: 2rem;
}

.card-content h2 {
    font-size: 1.6rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: #FFFFFF;
}

.card-content p {
    font-size: 0.95rem;
    color: #CCCCCC;
    line-height: 1.6;
    margin-bottom: 1.2rem;
}

/* 技術標籤 */
.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}

.tech-stack span {
    background: rgba(255, 255, 255, 0.05);
    padding: 0.3rem 0.9rem;
    border-radius: 50px;
    font-size: 0.7rem;
    color: #D4AF37;
    border: 1px solid rgba(212, 175, 55, 0.2);
    transition: all 0.2s;
}

.tech-stack span:hover {
    background: rgba(212, 175, 55, 0.1);
}

/* 連結按鈕 */
.card-links {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.live-link {
    display: inline-block;
    padding: 0.5rem 1.2rem;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid rgba(212, 175, 55, 0.4);
    border-radius: 40px;
    color: #D4AF37;
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.2s;
}

.live-link:hover {
    background: rgba(212, 175, 55, 0.2);
    border-color: #D4AF37;
    transform: translateY(-2px);
}

/* 更多專案提示 */
.more-projects {
    text-align: center;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.more-projects p {
    font-size: 0.85rem;
    color: #666;
    letter-spacing: 1px;
}

/* 頁尾 */
.footer {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem;
    text-align: center;
    font-size: 0.7rem;
    color: #555;
    letter-spacing: 1px;
}

/* 響應式：手機版改為垂直堆疊 */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 0.5rem;
    }
    .nav-links {
        gap: 1rem;
    }
    .nav-btn {
        font-size: 0.8rem;
    }
    .portfolio-section {
        padding: 120px 1.5rem 80px;
    }
    .project-card {
        flex-direction: column;
    }
    .card-image {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        min-height: 180px;
    }
    .card-image img {
        height: 180px;
        width: 100%;
    }
    .card-content {
        padding: 1.5rem;
    }
    .card-content h2 {
        font-size: 1.3rem;
    }
    .section-header h1 {
        font-size: 2.2rem;
    }
}

@media (max-width: 480px) {
    .tech-stack {
        gap: 0.4rem;
    }
    .tech-stack span {
        font-size: 0.65rem;
        padding: 0.2rem 0.7rem;
    }
    .live-link {
        padding: 0.4rem 1rem;
        font-size: 0.8rem;
    }
    .card-image {
        min-height: 150px;
    }
    .card-image img {
        height: 150px;
    }
}