/* Launch Notice */
.launch-notice {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.badge-new {
    display: inline-block;
    background: var(--gradient-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    margin-top: var(--spacing-2xl);
}

.transparency-notice h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.transparency-notice > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.transparency-notice ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.transparency-notice ul li {
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--color-text-secondary);
}

.transparency-notice ul li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent-purple);
    font-weight: bold;
}

/* Early Adopters Section */
.early-adopters {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-primary);
    text-align: center;
}

.early-adopters h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

.early-adopters > p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.benefit {
    background: var(--color-bg-secondary);
    padding: var(--spacing-lg);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.benefit:hover {
    transform: translateY(-5px);
    border-color: var(--color-accent-blue);
}

.benefit .icon {
    font-size: 2.5rem;
    display: block;
    margin-bottom: var(--spacing-sm);
}

.benefit h4 {
    font-size: 1.1rem;
    color: var(--color-text-primary);
}

/* Brands CTA */
.brands-cta {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-secondary);
}

/* Challenge Tags */
.challenge-tags {
    display: flex;
    gap: var(--spacing-xs);
    margin: var(--spacing-md) 0;
    flex-wrap: wrap;
}

.tag {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--color-accent-blue);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.3);
}

/* Opportunity Section */
.opportunity-section {
    margin-top: var(--spacing-2xl);
    text-align: center;
}

.opportunity-section h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xl);
}

.opportunity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.opp-card {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.opp-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-success);
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.2);
}

.opp-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-success);
}

/* Success Preview Section */
.success-preview {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-primary);
}

.success-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.success-subtitle {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
}

.possibilities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.possibility {
    text-align: center;
    padding: var(--spacing-lg);
}

.possibility .icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-md);
}

.possibility h4 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
}

.possibility p {
    color: var(--color-text-secondary);
}

/* Premium badge */
.badge-premium {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
}
@media (max-width: 768px) {
    .transparency-notice {
        padding: var(--spacing-lg);
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .launch-notice p {
        font-size: 0.9rem;
    }
}px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.launch-notice p {
    color: var(--color-text-secondary);
}

/* Challenges Intro */
.challenges-intro {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl);
    border-radius: 20px;
    margin-bottom: var(--spacing-2xl);
    text-align: center;
    border: 1px solid rgba(139, 92, 246, 0.2);
}

.challenges-intro p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    max-width: 800px;
    margin: 0 auto;
}

/* Coming Soon Card */
.challenge-item.coming-soon {
    background: var(--color-bg-secondary);
    border: 2px dashed rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.challenge-content-center {
    text-align: center;
    padding: var(--spacing-xl);
}

.coming-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    animation: float 3s ease-in-out infinite;
}

.notify-btn {
    display: inline-block;
    margin-top: var(--spacing-lg);
    background: transparent;
    border: 2px solid var(--color-accent-blue);
    color: var(--color-accent-blue);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition-base);
}

.notify-btn:hover {
    background: var(--color-accent-blue);
    color: var(--color-text-primary);
}

/* Transparency Notice */
.transparency-notice {
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--color-accent-purple);
    padding: var(--spacing-xl);
    border-radius: 20/* ===== CHALLENGES PAGE STYLES ===== */

/* Page Hero */
.page-hero {
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-2xl);
    background: var(--color-bg-secondary);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.page-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Filters Section */
.filters-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: sticky;
    top: 80px;
    z-index: 100;
}

.filters-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.filter-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 25px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: inherit;
}

.filter-btn:hover {
    border-color: var(--color-accent-blue);
    color: var(--color-accent-blue);
}

.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    border-color: transparent;
}

.sort-dropdown select {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 10px;
    font-family: inherit;
    cursor: pointer;
    outline: none;
}

/* Challenges Grid */
.challenges-section {
    padding: var(--spacing-2xl) 0;
    min-height: 60vh;
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

/* Challenge Item */
.challenge-item {
    background: var(--color-bg-secondary);
    border-radius: 20px;
    overflow: hidden;
    transition: var(--transition-base);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
}

.challenge-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
    border-color: var(--color-accent-blue);
}

.challenge-header {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: var(--color-bg-tertiary);
}

.challenge-header img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.challenge-item:hover .challenge-header img {
    transform: scale(1.1);
}

.challenge-badges {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.badge {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-new {
    background: var(--color-accent-blue);
    color: var(--color-text-primary);
}

.badge-hot {
    background: var(--color-accent-red);
    color: var(--color-text-primary);
}

.badge-premium {
    background: var(--color-accent-purple);
    color: var(--color-text-primary);
}

.badge-urgent {
    background: var(--color-warning);
    color: var(--color-bg-primary);
}

/* Challenge Content */
.challenge-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.challenge-content h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.challenge-content p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.challenge-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-radius: 10px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.detail-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.detail-value {
    font-weight: 600;
    color: var(--color-text-primary);
}

/* Challenge Footer */
.challenge-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-top: auto;
}

.reward {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-success);
}

.deadline {
    font-size: 1rem;
    color: var(--color-warning);
    font-weight: 600;
}

.participate-btn {
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition-base);
    white-space: nowrap;
}

.participate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

/* Load More */
.load-more-wrapper {
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.load-more-btn {
    background: transparent;
    border: 2px solid var(--color-accent-blue);
    color: var(--color-accent-blue);
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-base);
    font-family: inherit;
}

.load-more-btn:hover {
    background: var(--color-accent-blue);
    color: var(--color-text-primary);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-bg-secondary);
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.cta-content p {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button-large {
    display: inline-block;
    background: var(--gradient-primary);
    color: var(--color-text-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: 30px;
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition-base);
}

.cta-button-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4);
}

/* Active navigation indicator */
.nav-menu a.active {
    color: var(--color-accent-blue);
}

/* Responsive */
@media (max-width: 768px) {
    .filters-wrapper {
        flex-direction: column;
        align-items: stretch;
    }
    
    .filter-group {
        justify-content: center;
    }
    
    .sort-dropdown {
        width: 100%;
    }
    
    .sort-dropdown select {
        width: 100%;
    }
    
    .challenges-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: 0 var(--spacing-sm);
    }
    
    .challenge-item {
        max-width: 100%;
    }
    
    .challenge-header {
        height: 150px;
    }
    
    .challenge-details {
        grid-template-columns: 1fr;
        padding: var(--spacing-sm);
        gap: var(--spacing-xs);
    }
    
    .filters-section {
        position: static;
        top: auto;
    }
}