/* ==========================================
   CSS 變數與設計系統
   ========================================== */
:root {
    /* 色彩系統 */
    --color-primary: #00f0ff;
    --color-secondary: #ff00ff;
    --color-accent: #7000ff;
    --color-bg-dark: #0a0a0f;
    --color-bg-darker: #050508;
    --color-bg-card: rgba(20, 20, 30, 0.6);
    --color-text-primary: #ffffff;
    --color-text-secondary: #b0b0c0;
    --color-text-muted: #707080;

    /* 漸變色 */
    --gradient-primary: linear-gradient(135deg, #00f0ff 0%, #7000ff 100%);
    --gradient-secondary: linear-gradient(135deg, #ff00ff 0%, #ff6b00 100%);
    --gradient-card: linear-gradient(135deg, rgba(0, 240, 255, 0.1) 0%, rgba(112, 0, 255, 0.1) 100%);

    /* 間距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* 字體 */
    --font-tech: 'Orbitron', sans-serif;
    --font-chinese: 'Noto Sans TC', sans-serif;

    /* 陰影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);

    /* 動畫時間 */
    --transition-fast: 0.2s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
}

/* ==========================================
   重置與基礎樣式
   ========================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-chinese);
    background: var(--color-bg-dark);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* ==========================================
   背景動畫效果
   ========================================== */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, #0a0a0f 0%, #050508 100%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #00f0ff 0%, transparent 70%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #7000ff 0%, transparent 70%);
    bottom: -15%;
    right: -15%;
    animation-delay: 7s;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #ff00ff 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 14s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    33% {
        transform: translate(30px, -30px) scale(1.1);
    }

    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* 粒子畫布 */
#particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* ==========================================
   主容器
   ========================================== */
.container {
    position: relative;
    z-index: 2;
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==========================================
   標題區域
   ========================================== */
.hero {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    animation: fadeInDown 1s ease-out;
}

.logo-container {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: var(--gradient-primary);
    filter: blur(40px);
    opacity: 0.4;
    animation: pulse 3s infinite ease-in-out;
}

.main-title {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.title-tech {
    font-family: var(--font-tech);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    letter-spacing: 0.1em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 240, 255, 0.5);
}

.title-workshop {
    font-family: var(--font-tech);
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-text-secondary);
}

.subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.05em;
}

.divider {
    width: 100px;
    height: 3px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
    box-shadow: var(--shadow-glow);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 0.4;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 0.6;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

/* ==========================================
   服務卡片網格
   ========================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
    flex: 1;
}

/* ==========================================
   服務卡片
   ========================================== */
.service-card {
    position: relative;
    background: var(--color-bg-card);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: var(--spacing-xl);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-normal) ease;
    animation: fadeInUp 0.8s ease-out backwards;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-card);
    opacity: 0;
    transition: opacity var(--transition-normal) ease;
    border-radius: 20px;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 240, 255, 0.5);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

/* 卡片發光效果 */
.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 240, 255, 0.2) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-slow) ease;
    pointer-events: none;
}

.service-card:hover .card-glow {
    opacity: 1;
}

/* 卡片內容 */
.card-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    height: 100%;
}

/* 卡片圖示 */
.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal) ease;
}

.card-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.service-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* 卡片標題 */
.card-title {
    font-size: clamp(1.5rem, 3vw, 1.75rem);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
}

/* 卡片描述 */
.card-description {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    flex: 1;
}

/* 卡片連結 */
.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--transition-normal) ease;
    align-self: flex-start;
}

.card-link svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-normal) ease;
}

.card-link:hover {
    background: rgba(0, 240, 255, 0.1);
    border-color: var(--color-primary);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.card-link:hover svg {
    transform: translateX(5px);
}

/* 個別卡片動畫延遲 */
#card-suma {
    animation-delay: 0.1s;
}

#card-cyber {
    animation-delay: 0.2s;
}

#card-youtube {
    animation-delay: 0.3s;
}

#card-facebook {
    animation-delay: 0.4s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================
   自動跳轉倒數提示
   ========================================== */
.redirect-notice {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1000;
    animation: slideInUp 0.5s ease-out;
}

.redirect-content {
    background: var(--color-bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 240, 255, 0.3);
    border-radius: 16px;
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    min-width: 300px;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    text-align: center;
}

.redirect-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    animation: rotateIcon 2s linear infinite;
}

.redirect-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.redirect-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
}

.redirect-message {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin: 0;
}

.countdown-number {
    display: inline-block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    min-width: 1.5em;
    text-align: center;
    animation: pulse-number 1s ease-in-out infinite;
}

.redirect-button {
    margin-top: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal) ease;
    font-family: var(--font-chinese);
}

.redirect-button:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.redirect-button:active {
    transform: translateY(0);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotateIcon {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes pulse-number {

    0%,
    100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.2);
        opacity: 0.8;
    }
}

/* ==========================================
   頁尾
   ========================================== */
.footer {
    text-align: center;
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
}

.footer-text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.footer-subtext {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-style: italic;
}

/* ==========================================
   響應式設計
   ========================================== */
@media (max-width: 768px) {
    .container {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .service-card {
        padding: var(--spacing-lg);
    }

    .hero {
        margin-bottom: var(--spacing-xl);
    }

    .redirect-notice {
        bottom: var(--spacing-sm);
        right: var(--spacing-sm);
        left: var(--spacing-sm);
    }

    .redirect-content {
        min-width: auto;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .title-tech {
        letter-spacing: 0.05em;
    }

    .title-workshop {
        letter-spacing: 0.1em;
    }

    .card-icon {
        width: 50px;
        height: 50px;
    }

    .card-icon svg {
        width: 28px;
        height: 28px;
    }
}

/* ==========================================
   深色模式優化（預設已是深色）
   ========================================== */
@media (prefers-color-scheme: light) {
    /* 如果使用者偏好淺色模式，仍保持深色主題 */
    /* 因為科技感設計在深色背景下效果最佳 */
}

/* ==========================================
   動畫性能優化
   ========================================== */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}