/* ========== 全域設定 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 深色主題配色 */
    --bg-primary: #0a0e27;
    --bg-secondary: #151934;
    --bg-card: #1e2447;
    --bg-hover: #252b54;
    
    /* 藍綠色調 */
    --accent-primary: #00d9ff;
    --accent-secondary: #00ffaa;
    --accent-gradient: linear-gradient(135deg, #00d9ff 0%, #00ffaa 100%);
    
    /* 文字顏色 */
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --text-muted: #718096;
    
    /* 其他 */
    --border-color: #2d3748;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 15px 40px rgba(0, 217, 255, 0.2);
    
    /* 間距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* 字型 */
    --font-family: 'Noto Sans TC', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========== 導航列 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo {
    font-size: 2rem;
}

.brand-name {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 500;
}

.nav-menu a:hover {
    color: var(--accent-primary);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 0.3rem;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

.hero-content {
    position: relative;
    text-align: center;
    z-index: 1;
}

.hero-emoji {
    font-size: 6rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin: var(--spacing-sm) 0;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.stat {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 217, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
}

.btn-secondary:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-arrow {
    width: 2px;
    height: 40px;
    background: var(--accent-primary);
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% { transform: translateY(0); opacity: 0; }
    50% { transform: translateY(20px); opacity: 1; }
}

/* ========== Section 通用樣式 ========== */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: var(--accent-gradient);
    margin: var(--spacing-sm) auto 0;
    border-radius: 2px;
}

/* ========== 關於我 ========== */
.about {
    background: var(--bg-secondary);
}

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

.about-card {
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-primary);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.about-card h3 {
    margin-bottom: var(--spacing-xs);
    color: var(--accent-primary);
}

.about-detail {
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

.about-detail h3 {
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-sm);
}

.tech-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-sm);
}

.badge {
    padding: 0.3rem 0.8rem;
    background: var(--bg-primary);
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--accent-primary);
    border: 1px solid var(--accent-primary);
}

/* ========== 核心專長 ========== */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.skill-card {
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-primary);
}

.skill-card.highlight {
    border: 2px solid var(--accent-primary);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 217, 255, 0.05) 100%);
}

.skill-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.3rem 0.8rem;
    background: var(--accent-gradient);
    color: var(--bg-primary);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

.skill-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.skill-card h3 {
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-sm);
}

.skill-features {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.skill-features li {
    padding: 0.3rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========== 服務項目 ========== */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.service-card {
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.service-number {
    font-size: 3rem;
    font-weight: 700;
    color: rgba(0, 217, 255, 0.1);
    position: absolute;
    right: 1rem;
    top: 0.5rem;
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--accent-primary);
}

.service-card ul {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.service-card li {
    padding: 0.3rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    padding-left: 1.5rem;
    position: relative;
}

.service-card li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-secondary);
}

/* ========== 每日作息 ========== */
.schedule {
    background: var(--bg-primary);
}

.timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 100px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--accent-primary);
}

.timeline-item {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-time {
    width: 80px;
    flex-shrink: 0;
    font-weight: 700;
    color: var(--accent-primary);
    font-size: 1.2rem;
}

.timeline-content {
    flex: 1;
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 1.5rem;
    width: 10px;
    height: 10px;
    background: var(--accent-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px var(--bg-primary);
}

.timeline-content h3 {
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-xs);
}

/* ========== 成就里程碑 ========== */
.achievements {
    background: var(--bg-secondary);
}

.achievements-timeline {
    max-width: 900px;
    margin: 0 auto;
}

.achievement-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.achievement-date {
    font-weight: 700;
    color: var(--accent-primary);
    padding: var(--spacing-sm);
    background: var(--bg-card);
    border-radius: 10px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.achievement-content {
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.achievement-content h3 {
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-xs);
}

.achievement-item.highlight .achievement-content {
    border-color: var(--accent-primary);
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(0, 217, 255, 0.05) 100%);
}

.achievement-item:hover .achievement-content {
    transform: translateX(10px);
    box-shadow: var(--shadow-hover);
}

/* ========== 聯絡方式 ========== */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.contact-card {
    background: var(--bg-card);
    padding: var(--spacing-md);
    border-radius: 15px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-primary);
}

.contact-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.contact-card h3 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-detail {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.contact-cta {
    text-align: center;
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: 15px;
    border: 2px solid var(--accent-primary);
}

.contact-cta h3 {
    color: var(--accent-secondary);
    margin-bottom: var(--spacing-sm);
}

.contact-cta p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

/* ========== 免責聲明 ========== */
.disclaimer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.disclaimer h3 {
    color: #ff6b6b;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.disclaimer p {
    text-align: center;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

/* ========== Footer ========== */
.footer {
    background: var(--bg-primary);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.footer-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.footer-brand span:last-child {
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-info {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-info a {
    color: var(--accent-primary);
    text-decoration: none;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ========== 響應式設計 ========== */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-emoji {
        font-size: 4rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .timeline::before {
        left: 50px;
    }
    
    .timeline-time {
        width: 60px;
        font-size: 1rem;
    }
    
    .achievement-item {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
}