/* ===== 宇宙主題變數 ===== */
:root {
    --space-dark: #0a0a1a;
    --space-deep: #0d0d2b;
    --nebula-purple: #5e17eb;
    --nebula-pink: #ff2d75;
    --cosmic-cyan: #00fff7;
    --cosmic-blue: #4169e1;
    --star-white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --glow-purple: 0 0 20px rgba(94, 23, 235, 0.5);
    --glow-cyan: 0 0 20px rgba(0, 255, 247, 0.5);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans TC', 'Orbitron', sans-serif;
    background: linear-gradient(135deg, var(--space-dark) 0%, var(--space-deep) 50%, #1a0a2e 100%);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ===== 動態星空背景 ===== */
.stars-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

#stars, #stars2, #stars3 {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
}

#stars {
    background-image: 
        radial-gradient(2px 2px at 20px 30px, white, transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.8), transparent),
        radial-gradient(1px 1px at 90px 40px, white, transparent),
        radial-gradient(2px 2px at 160px 120px, rgba(255,255,255,0.9), transparent),
        radial-gradient(1px 1px at 230px 80px, white, transparent),
        radial-gradient(2px 2px at 300px 150px, rgba(255,255,255,0.7), transparent),
        radial-gradient(1px 1px at 370px 50px, white, transparent),
        radial-gradient(2px 2px at 450px 180px, rgba(255,255,255,0.8), transparent);
    background-size: 500px 200px;
    animation: starFloat 50s linear infinite;
}

#stars2 {
    background-image: 
        radial-gradient(1px 1px at 100px 50px, rgba(0,255,247,0.8), transparent),
        radial-gradient(2px 2px at 200px 100px, rgba(94,23,235,0.6), transparent),
        radial-gradient(1px 1px at 350px 150px, rgba(255,255,255,0.5), transparent),
        radial-gradient(2px 2px at 500px 80px, rgba(0,255,247,0.5), transparent);
    background-size: 600px 300px;
    animation: starFloat 80s linear infinite;
    opacity: 0.8;
}

#stars3 {
    background-image: 
        radial-gradient(3px 3px at 150px 200px, rgba(255,45,117,0.4), transparent),
        radial-gradient(2px 2px at 400px 100px, rgba(94,23,235,0.3), transparent);
    background-size: 800px 400px;
    animation: starFloat 120s linear infinite;
    opacity: 0.5;
}

@keyframes starFloat {
    from { transform: translateY(0) translateX(0); }
    to { transform: translateY(-100vh) translateX(50px); }
}

/* ===== 導航欄 ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    background: rgba(10, 10, 26, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    font-size: 28px;
}

.logo-text {
    font-family: 'Orbitron', sans-serif;
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(90deg, var(--cosmic-cyan), var(--nebula-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--cosmic-cyan);
    text-shadow: var(--glow-cyan);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--cosmic-cyan), var(--nebula-purple));
    transition: width 0.3s ease;
}

.nav-links a:hover::after {
    width: 100%;
}

/* ===== Hero 區塊 ===== */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 120px 20px 60px;
    position: relative;
    text-align: center;
}

.hero-content {
    z-index: 1;
    max-width: 800px;
}

.profile-avatar {
    position: relative;
    width: 150px;
    height: 150px;
    margin: 0 auto 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.avatar-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 3px solid transparent;
    background: linear-gradient(var(--space-dark), var(--space-dark)) padding-box,
                linear-gradient(135deg, var(--cosmic-cyan), var(--nebula-purple), var(--nebula-pink)) border-box;
    animation: ringRotate 4s linear infinite;
}

@keyframes ringRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.avatar-core {
    font-size: 60px;
    z-index: 1;
    filter: drop-shadow(0 0 20px rgba(0, 255, 247, 0.5));
}

.glitch-text {
    font-family: 'Orbitron', sans-serif;
    font-size: clamp(2rem, 8vw, 4rem);
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--cosmic-cyan), var(--nebula-purple), var(--nebula-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glowPulse 3s ease-in-out infinite;
    text-shadow: 0 0 30px rgba(94, 23, 235, 0.3);
}

@keyframes glowPulse {
    0%, 100% { filter: brightness(1) drop-shadow(0 0 10px rgba(0, 255, 247, 0.3)); }
    50% { filter: brightness(1.2) drop-shadow(0 0 30px rgba(0, 255, 247, 0.6)); }
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--cosmic-cyan);
    margin-bottom: 20px;
    text-shadow: var(--glow-cyan);
}

.hero-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== 社交連結按鈕 ===== */
.social-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.social-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.social-btn.discord {
    background: linear-gradient(135deg, #5865F2, #7289DA);
    color: white;
}

.social-btn.discord:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(88, 101, 242, 0.4);
}

.social-btn.youtube {
    background: linear-gradient(135deg, #FF0000, #CC0000);
    color: white;
}

.social-btn.youtube:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 0, 0, 0.4);
}

/* ===== 滾動指示器 ===== */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 12px;
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--cosmic-cyan);
    border-bottom: 2px solid var(--cosmic-cyan);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ===== 區塊標題 ===== */
.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.title-icon {
    font-size: 2rem;
}

/* ===== 產品區塊 ===== */
.products-section {
    padding: 100px 20px;
    position: relative;
    z-index: 1;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
}

/* ===== 產品卡片 (玻璃擬態) ===== */
.product-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.5s ease;
}

.product-card:hover::before {
    left: 100%;
}

.product-card:hover {
    transform: translateY(-10px);
    border-color: var(--cosmic-cyan);
    box-shadow: var(--glow-cyan), 0 20px 40px rgba(0, 0, 0, 0.3);
}

.product-card h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--cosmic-cyan);
}

.product-card .product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 1px solid var(--glass-border);
}

.product-card .price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--nebula-pink);
    margin: 20px 0;
    text-shadow: 0 0 20px rgba(255, 45, 117, 0.5);
}

.product-card .description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.product-card .description li {
    margin-bottom: 8px;
    list-style: none;
    position: relative;
    padding-left: 20px;
}

.product-card .description li::before {
    content: '✦';
    position: absolute;
    left: 0;
    color: var(--nebula-purple);
}

/* ===== 購買按鈕組 ===== */
.buy-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.buy-btn {
    flex: 1;
    min-width: 100px;
    padding: 12px 20px;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.buy-btn:hover {
    transform: translateY(-2px);
}

.buy-btn.paypal {
    background: linear-gradient(135deg, #0070ba, #003087);
    color: white;
}

.buy-btn.paypal:hover {
    box-shadow: 0 5px 20px rgba(0, 112, 186, 0.4);
}

.buy-btn.ctb {
    background: linear-gradient(135deg, #e60012, #a50000);
    color: white;
}

.buy-btn.ctb:hover {
    box-shadow: 0 5px 20px rgba(230, 0, 18, 0.4);
}

.buy-btn.crypto {
    background: linear-gradient(135deg, #f7931a, #c77800);
    color: white;
}

.buy-btn.crypto:hover {
    box-shadow: 0 5px 20px rgba(247, 147, 26, 0.4);
}

.buy-btn.alipay {
    background: linear-gradient(135deg, #1677ff, #0958d9);
    color: white;
}

.buy-btn.alipay:hover {
    box-shadow: 0 5px 20px rgba(22, 119, 255, 0.4);
}

/* ===== 付款資訊區塊 ===== */
.payment-info-box {
    margin-top: 15px;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    border: 1px solid var(--glass-border);
    display: none;
}

.payment-info-box.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.payment-info-box p {
    font-size: 0.85rem;
    margin-bottom: 5px;
    word-break: break-all;
}

.payment-info-box .address {
    font-family: 'Courier New', monospace;
    background: rgba(255, 255, 255, 0.1);
    padding: 8px;
    border-radius: 5px;
    margin-top: 5px;
    font-size: 0.75rem;
}

/* ===== 付款方式區塊 ===== */
.payment-section {
    padding: 100px 20px;
    position: relative;
    z-index: 1;
    background: linear-gradient(180deg, transparent, rgba(94, 23, 235, 0.1), transparent);
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.payment-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.payment-card:hover {
    transform: translateY(-5px);
    border-color: var(--nebula-purple);
    box-shadow: var(--glow-purple);
}

.payment-icon {
    font-size: 40px;
    margin-bottom: 15px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 60px;
}

.payment-icon svg {
    fill: currentColor;
}

.paypal-icon { color: #0070ba; }
.ctb-icon { color: #e60012; }
.crypto-icon { color: #f7931a; }
.alipay-icon { color: #1677ff; }

.payment-card h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.payment-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.bank-info {
    margin-top: 15px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    font-size: 0.8rem;
}

.bank-info p {
    margin: 5px 0;
}

/* ===== 聯繫區塊 ===== */
.contact-section {
    padding: 80px 20px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.contact-text {
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.contact-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.contact-btn {
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.contact-btn.discord {
    background: linear-gradient(135deg, #5865F2, #7289DA);
    color: white;
}

.contact-btn.discord:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(88, 101, 242, 0.5);
}

/* ===== 頁尾 ===== */
.footer {
    padding: 40px 20px;
    text-align: center;
    border-top: 1px solid var(--glass-border);
    position: relative;
    z-index: 1;
}

.footer-content {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.footer-tagline {
    margin-top: 10px;
    color: var(--nebula-purple);
}

/* ===== 彈窗 ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    z-index: 2000;
    display: none;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.modal-overlay.show {
    display: flex;
}

.modal-content {
    background: var(--space-deep);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    padding: 30px;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 30px;
    cursor: pointer;
    transition: color 0.3s ease;
}

.modal-close:hover {
    color: var(--nebula-pink);
}

/* ===== 響應式設計 ===== */
@media (max-width: 768px) {
    .navbar {
        padding: 10px 20px;
    }

    .nav-links {
        display: none;
    }

    .glitch-text {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .payment-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .buy-buttons {
        flex-direction: column;
    }

    .buy-btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .payment-grid {
        grid-template-columns: 1fr;
    }

    .social-links {
        flex-direction: column;
        align-items: center;
    }
}