/* 全域樣式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 配色系統 - 以 #2FA084 為主色 */
:root {
    --primary-color: #2FA084;          /* 主色：綠色 */
    --primary-light: #4FC4A3;          /* 淺色版：用於背景/hover */
    --primary-dark: #1F7A5E;           /* 深色版：用於文字/active */
    --primary-bg: #E8F7F2;             /* 主色背景 */
    --secondary-color: #6B7280;        /* 次要色：灰色系 */
    --success-color: #10B981;          /* 成功：綠 */
    --error-color: #EF4444;            /* 錯誤：紅 */
    --warning-color: #F59E0B;          /* 警告：黃 */
    --text-primary: #1F2937;           /* 主要文字 */
    --text-secondary: #6B7280;         /* 次要文字 */
    --bg-light: #F9FAFB;               /* 淺色背景 */
    --bg-white: #FFFFFF;               /* 白色背景 */
    --border-radius: 12px;             /* 統一圓角 */
    --padding-sm: 0.75rem;             /* 小內距 */
    --padding-md: 1.5rem;              /* 中內距 */
    --padding-lg: 2.5rem;              /* 大內距 */
    --transition: 0.2s ease;          /* 微動畫過渡 */
}

/* 基礎設定 */
body {
    font-family: 'Zen Maru Gothic', 'Microsoft JhengHei', sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-light);
    letter-spacing: 0.02em;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 導覽列樣式 */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    color: white;
    font-size: 1.8rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition);
    padding: var(--padding-sm) 1rem;
    border-radius: var(--border-radius);
}

.nav-link:hover {
    background-color: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* 首頁橫幅 */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 120px 0 80px;
    text-align: center;
    margin-top: 80px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease-out 0.2s;
    animation-fill-mode: both;
}

.cta-button {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition);
    font-weight: bold;
    animation: fadeInUp 1s ease-out 0.4s;
    animation-fill-mode: both;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* 關於我們區塊 */
.about {
    padding: 80px 0;
    background: white;
}

.about h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.about-card {
    background: linear-gradient(135deg, var(--primary-bg) 0%, #E0F2F1 100%);
    padding: var(--padding-lg);
    border-radius: var(--border-radius);
    text-align: center;
    transition: all var(--transition);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.about-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

/* 統一圖示樣式 */
.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    transition: all var(--transition);
}

.about-card:hover .card-icon {
    transform: scale(1.1);
}


.about-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.about-card p {
    color: #666;
    line-height: 1.8;
}

/* 特色課程區塊 */
.features {
    padding: 80px 0;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-item {
    background: white;
    padding: var(--padding-md);
    border-radius: var(--border-radius);
    border-left: 5px solid var(--primary-color);
    transition: all var(--transition);
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.feature-item:hover {
    transform: translateX(10px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

/* 特色課程圖示樣式 */
.feature-item h3 i {
    margin-right: 0.5rem;
    color: var(--primary-color);
    transition: all var(--transition);
}

.feature-item:hover h3 i {
    transform: scale(1.1);
}

.feature-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-item p {
    color: #666;
    line-height: 1.8;
}

/* 老師介紹區塊 */
.teacher {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.teacher h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.teacher-profile {
    max-width: 900px;
    margin: 0 auto;
}

.teacher-card {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--padding-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 3rem;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}

.teacher-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
}

.teacher-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.teacher-avatar {
    flex-shrink: 0;
}

.avatar-placeholder {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
    box-shadow: 0 5px 20px rgba(47, 160, 132, 0.3);
    transition: all var(--transition);
}

.teacher-avatar-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 5px 20px rgba(47, 160, 132, 0.3);
    transition: all var(--transition);
}

.teacher-card:hover .avatar-placeholder,
.teacher-card:hover .teacher-avatar-img {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(47, 160, 132, 0.4);
}

.teacher-info {
    flex: 1;
}

.teacher-info h3 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.teacher-title {
    color: var(--primary-color);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.teacher-description {
    color: #666;
    line-height: 1.8;
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.teacher-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.skill-tag {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition);
    cursor: default;
}

.skill-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(47, 160, 132, 0.3);
}

/* 校園環境區塊 */
.environment {
    padding: 80px 0;
    background: white;
}

.environment h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

.environment-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.environment-text p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.environment-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    text-align: left;
}

.environment-list li {
    background: #f8f9fa;
    padding: var(--padding-sm);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

/* 校園環境圖示樣式 */
.environment-list li i {
    margin-right: 0.5rem;
    color: var(--primary-color);
    transition: all var(--transition);
}

.environment-list li:hover i {
    color: white;
    transform: scale(1.1);
}

.environment-list li:hover {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    transform: translateY(-3px);
}

/* 聯絡我們區塊 */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: white;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-item {
    text-align: center;
    padding: var(--padding-md);
    background: rgba(255,255,255,0.1);
    border-radius: var(--border-radius);
    transition: all var(--transition);
}

.contact-item:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-5px);
}

.contact-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

/* 聯絡資訊圖示樣式 */
.contact-item h3 i {
    margin-right: 0.5rem;
    transition: all var(--transition);
}

.contact-item:hover h3 i {
    transform: scale(1.1);
}

.contact-item p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* 頁尾 */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

footer p {
    margin-bottom: 0.5rem;
}

/* 動畫效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 響應式設計 - 手機優先 */
/* 小型手機 (375px 以上) */
@media (min-width: 375px) {
    /* 基礎樣式已適配小型手機 */
}

/* 平板裝置 (768px 以上) */
@media (min-width: 768px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
    
    .hero-content p {
        font-size: 1.3rem;
    }
    
    .about h2,
    .features h2,
    .teacher h2,
    .environment h2,
    .contact h2 {
        font-size: 2.8rem;
    }
}

/* 桌面裝置 (1200px 以上) */
@media (min-width: 1200px) {
    .hero-content h1 {
        font-size: 4rem;
    }
    
    .hero-content p {
        font-size: 1.4rem;
    }
    
    .about h2,
    .features h2,
    .teacher h2,
    .environment h2,
    .contact h2 {
        font-size: 3rem;
    }
}

/* 向後兼容：舊版響應式設計 */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .about h2,
    .features h2,
    .teacher h2,
    .environment h2,
    .contact h2 {
        font-size: 2rem;
    }
    
    .about-grid,
    .features-grid,
    .contact-info {
        grid-template-columns: 1fr;
    }
    
    .environment-list {
        grid-template-columns: 1fr;
    }
    
    .teacher-card {
        flex-direction: column;
        text-align: center;
        padding: var(--padding-md);
        gap: 2rem;
    }
    
    .teacher-skills {
        justify-content: center;
    }
    
    /* 手機版圖示調整 */
    .card-icon {
        font-size: 2.5rem;
    }
    
    .feature-item h3 i {
        margin-right: 0.3rem;
    }
    
    .environment-list li i {
        margin-right: 0.3rem;
    }
    
    .contact-item h3 i {
        margin-right: 0.3rem;
    }
}

@media (max-width: 480px) {
    .nav-container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .about,
    .features,
    .environment,
    .contact {
        padding: 60px 0;
    }
    
    /* 超小螢幕字級調整 */
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .about h2,
    .features h2,
    .teacher h2,
    .environment h2,
    .contact h2 {
        font-size: 1.8rem;
    }
    
    .about-card h3,
    .feature-item h3,
    .contact-item h3 {
        font-size: 1.1rem;
    }
}