/* Mahjong-2 Page Specific Styles */

/* 英雄區樣式已移除，請參考hero.css */

/* Game Introduction Section Enhancements */
.game-intro-content-enhanced {
    position: relative;
    z-index: 10;
}

.intro-hero {
    text-align: center;
    margin-bottom: 3rem;
    padding: 3rem 2rem;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.intro-hero-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.hero-svg {
    width: 40px;
    height: 40px;
    color: white;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.intro-hero-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--neon-blue);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.intro-hero-subtitle {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Features Grid Enhancements */
.intro-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.intro-features-grid .feature-card {
    background: linear-gradient(135deg, var(--cyber-dark) 0%, var(--cyber-darker) 100%);
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.intro-features-grid .feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.intro-features-grid .feature-card:hover::before {
    opacity: 1;
}

.intro-features-grid .feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
    border-color: var(--neon-blue);
}

.intro-features-grid .feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(102, 126, 234, 0.4));
}

.intro-features-grid .feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-blue);
    margin-bottom: 1rem;
}

.intro-features-grid .feature-desc {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Target Section */
.intro-target {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 215, 0, 0.05) 100%);
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.target-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.target-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(255, 215, 0, 0.3));
}

.target-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffd700;
    margin: 0;
}

.target-tags {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.target-tag {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #1a1f3a;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

/* CTA Enhanced */
.intro-cta-enhanced {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(102, 126, 234, 0.05) 100%);
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.cta-content {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cta-icon {
    font-size: 1.5rem;
    filter: drop-shadow(0 2px 4px rgba(102, 126, 234, 0.4));
}

.cta-text {
    font-size: 1.125rem;
    color: var(--foreground);
    font-weight: 600;
}

/* Special Feature Cards */
.feature-card.primary {
    border-color: rgba(255, 215, 0, 0.3);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, var(--cyber-darker) 100%);
}

.feature-card.secondary {
    border-color: rgba(102, 126, 234, 0.3);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, var(--cyber-darker) 100%);
}

.feature-card.accent {
    border-color: rgba(138, 43, 226, 0.3);
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.1) 0%, var(--cyber-darker) 100%);
}

.feature-highlight {
    background: rgba(255, 255, 255, 0.1);
    color: var(--neon-cyan);
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 1rem;
    display: inline-block;
}

/* Trial Content */
.trial-content {
    text-align: center;
}

.trial-description p {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.trial-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.step {
    background: linear-gradient(135deg, var(--cyber-dark) 0%, var(--cyber-darker) 100%);
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.step:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.2);
}

.step-number {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.step-text {
    color: var(--foreground);
    font-weight: 500;
    line-height: 1.5;
}

/* Advanced Features */
.advanced-content {
    position: relative;
    z-index: 10;
}

.advanced-hero {
    text-align: center;
    margin-bottom: 3rem;
}

.advanced-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--neon-blue);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.advanced-feature {
    background: linear-gradient(135deg, var(--cyber-dark) 0%, var(--cyber-darker) 100%);
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    transition: all 0.3s ease;
}

.advanced-feature:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.2);
    border-color: var(--neon-blue);
}

.advanced-feature .feature-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
    filter: drop-shadow(0 4px 12px rgba(102, 126, 234, 0.4));
}

.feature-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--neon-blue);
    margin-bottom: 0.75rem;
}

.feature-content p {
    color: var(--muted-foreground);
    line-height: 1.6;
    margin: 0;
}

/* Comparison Grid */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.comparison-card {
    background: linear-gradient(135deg, var(--cyber-dark) 0%, var(--cyber-darker) 100%);
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.comparison-card.highlight {
    border-color: rgba(255, 215, 0, 0.4);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, var(--cyber-darker) 100%);
    transform: scale(1.05);
}

.comparison-card:hover {
    transform: translateY(-4px) scale(1.02);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.2);
}

.comparison-header {
    margin-bottom: 2rem;
}

.comparison-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-blue);
    margin-bottom: 0.75rem;
}

.comparison-badge {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.comparison-card.highlight .comparison-badge {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
    color: #1a1f3a;
}

.comparison-features {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.comparison-feature {
    color: var(--muted-foreground);
    font-weight: 500;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.comparison-note {
    text-align: center;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 215, 0, 0.05) 100%);
    border: 2px solid rgba(255, 215, 0, 0.3);
    border-radius: 16px;
}

.comparison-note p {
    font-size: 1.125rem;
    color: #ffd700;
    font-weight: 600;
    margin: 0;
}

/* Offers Grid */
.offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.offer-card {
    background: linear-gradient(135deg, var(--cyber-dark) 0%, var(--cyber-darker) 100%);
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.offer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f093fb);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.offer-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
}

.offer-card.primary {
    border-color: rgba(255, 215, 0, 0.3);
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, var(--cyber-darker) 100%);
}

.offer-card.secondary {
    border-color: rgba(102, 126, 234, 0.3);
}

.offer-card.accent {
    border-color: rgba(138, 43, 226, 0.3);
    background: linear-gradient(135deg, rgba(138, 43, 226, 0.1) 0%, var(--cyber-darker) 100%);
}

.offer-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(102, 126, 234, 0.4));
}

.offer-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--neon-blue);
    margin-bottom: 1rem;
}

.offer-description {
    color: var(--muted-foreground);
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.offer-highlight {
    background: rgba(255, 255, 255, 0.1);
    color: var(--neon-cyan);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
}

/* Enhanced FAQ Styles */
.faq-list {
    max-width: 800px;
    margin: 0 auto 3rem;
}

.faq-item {
    background: linear-gradient(135deg, var(--cyber-dark) 0%, var(--cyber-darker) 100%);
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 16px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--neon-blue);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2);
}

.faq-question {
    padding: 1.5rem 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
}

.faq-question:hover {
    background: rgba(102, 126, 234, 0.05);
}

.faq-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(102, 126, 234, 0.4));
}

.faq-question h3 {
    flex: 1;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin: 0;
}

.faq-arrow {
    width: 24px;
    height: 24px;
    color: var(--muted-foreground);
    transition: transform 0.3s ease, color 0.3s ease;
    flex-shrink: 0;
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
    color: var(--neon-blue);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(102, 126, 234, 0.02);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding: 0 2rem 2rem;
    margin: 0;
    color: var(--muted-foreground);
    line-height: 1.7;
    font-size: 1.125rem;
}

/* Section Alert */
.section-alert {
    text-align: center;
    margin-top: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(102, 126, 234, 0.05) 100%);
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 16px;
}

.section-alert p {
    margin: 0;
    color: var(--muted-foreground);
    font-weight: 500;
}

.section-alert a {
    color: var(--neon-blue);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.section-alert a:hover {
    color: var(--neon-cyan);
}

/* Responsive Design */
@media (max-width: 768px) {
    .intro-features-grid,
    .advanced-features,
    .comparison-grid,
    .offers-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .trial-steps {
        grid-template-columns: 1fr;
    }
    
    .intro-cta-enhanced {
        flex-direction: column;
        text-align: center;
    }
    
    .comparison-card.highlight {
        transform: none;
    }
    
    .faq-question {
        padding: 1rem 1.5rem;
    }
    
    .faq-answer p {
        padding: 0 1.5rem 1.5rem;
    }
}

@media (max-width: 480px) {
    .intro-hero {
        padding: 2rem 1rem;
    }
    
    .intro-hero-icon {
        width: 60px;
        height: 60px;
    }
    
    .hero-svg {
        width: 30px;
        height: 30px;
    }
    
    .intro-hero-title {
        font-size: 1.5rem;
    }
    
    .intro-hero-subtitle {
        font-size: 1rem;
    }
    
    .feature-card,
    .offer-card,
    .advanced-feature {
        padding: 1.5rem;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
}