:root {
    --bg-color: #fdfbf7; /* 米白色質感紙張底色 */
    --text-color: #2c3e50;
    --accent-color: #d97706; /* 呼應 Granny Grid 的橘色 */
    --card-bg: #ffffff;
    --nav-height: 60px;
}

body {
    margin: 0;
    font-family: 'Lato', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* 導航列 */
.navbar {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0 5%; height: var(--nav-height);
    background: rgba(255,255,255,0.9); backdrop-filter: blur(10px);
    position: sticky; top: 0; z-index: 100;
    border-bottom: 1px solid #e0e0e0;
}
.logo { font-family: 'Cinzel', serif; font-size: 1.5rem; color: #1a252f; letter-spacing: 1px; font-weight: 700; }
.navbar nav a { text-decoration: none; color: var(--text-color); margin-left: 20px; font-weight: 700; transition: 0.2s; }
.navbar nav a:hover { color: var(--accent-color); }

/* 主視覺 */
.hero {
    height: 80vh; display: flex; justify-content: center; align-items: center; text-align: center;
    background: linear-gradient(135deg, #fdfbf7 0%, #fff1e0 100%);
}
.hero h1 { font-family: 'Cinzel', serif; font-size: 3.5rem; margin-bottom: 10px; color: #1a252f; }
.hero p { font-size: 1.2rem; color: #64748b; margin-bottom: 30px; }
.cta-btn {
    display: inline-block; padding: 12px 30px; background: var(--accent-color); color: white;
    text-decoration: none; border-radius: 30px; font-weight: bold; transition: 0.3s;
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.3);
}
.cta-btn:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(217, 119, 6, 0.4); }

/* 作品集 */
.gallery { padding: 80px 5%; max-width: 1200px; margin: 0 auto; }
.section-title { text-align: center; font-family: 'Cinzel', serif; font-size: 2rem; margin-bottom: 50px; position: relative; }
.section-title::after { content:''; display:block; width: 60px; height: 3px; background: var(--accent-color); margin: 15px auto 0; }

.grid-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }

/* 卡片樣式 */
.project-card {
    background: var(--card-bg); border-radius: 16px; padding: 30px;
    text-decoration: none; color: inherit; transition: 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05); border: 1px solid #eee;
    display: flex; flex-direction: column; align-items: center; text-align: center;
}
.project-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); border-color: var(--accent-color); }

.card-icon { font-size: 4rem; margin-bottom: 20px; background: #fff7ed; width: 100px; height: 100px; display: flex; align-items: center; justify-content: center; border-radius: 50%; }
.card-info h3 { margin: 0 0 10px; font-size: 1.4rem; }
.card-info p { color: #64748b; font-size: 0.95rem; margin-bottom: 20px; }
.tag { font-size: 0.75rem; background: #f1f5f9; padding: 4px 10px; border-radius: 12px; color: #475569; font-weight: bold; }

/* 尚未開放的卡片 */
.coming-soon { opacity: 0.6; cursor: not-allowed; }
.coming-soon:hover { transform: none; box-shadow: 0 5px 15px rgba(0,0,0,0.05); border-color: #eee; }

/* 頁尾 */
footer { text-align: center; padding: 40px; color: #94a3b8; font-size: 0.9rem; border-top: 1px solid #eee; margin-top: 50px; }
.dedication { font-style: italic; opacity: 0.7; margin-top: 5px; }

/* 手機版調整 */
@media (max-width: 600px) {
    .hero h1 { font-size: 2.5rem; }
    .hero { height: 60vh; }
}

/* 關於我們區塊 */
.about-section {
    background: #fff;
    padding: 80px 5%;
    text-align: center;
    border-top: 1px solid #eee;
}
.about-content {
    max-width: 800px;
    margin: 0 auto;
}
.about-content p {
    font-size: 1.1rem;
    color: #555;
    line-height: 1.8;
}
.signature {
    margin-top: 30px;
    font-family: 'Cinzel', serif;
    font-weight: 700;
    color: var(--accent-color);
    font-size: 1.2rem;
}