/* Pages Styles */

.page-header {
    position: relative;
    padding: calc(80px + 5rem) 0 4rem;
    background: var(--bg-secondary);
    text-align: center;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 20%, rgba(0, 255, 255, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 70% 80%, rgba(99, 102, 241, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.page-header::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(0, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.page-header-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.page-header h1,
.page-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--text-primary) 0%, rgba(255, 255, 255, 0.7) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.6s ease;
}

.page-header p,
.page-description {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
    animation: fadeInUp 0.6s ease 0.2s both;
}

/* Event Filters */
.event-filters {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-lg);
    animation: fadeInUp 0.6s ease 0.4s both;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(0, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.filter-btn:hover::before {
    width: 200px;
    height: 200px;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 255, 0.2);
}

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--bg-primary);
    box-shadow: 0 4px 16px rgba(0, 255, 255, 0.3);
}

.filter-btn span {
    position: relative;
    z-index: 1;
}

/* Event Topics */
.event-topics {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.topic-tag {
    padding: 0.375rem 0.75rem;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    font-size: 0.8rem;
    color: var(--secondary);
    font-weight: 500;
}

/* Detailed Event Card */
.event-card-detailed {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition);
}

.event-card-detailed:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.event-card-detailed .event-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.event-speaker {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.speaker-info {
    flex: 1;
}

.speaker-name {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.speaker-role {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.event-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.event-actions .btn {
    flex: 1;
}

.event-collaboration {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--accent);
    border-radius: var(--border-radius);
    color: var(--accent);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.event-attendees {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
}

.events-section {
    background: var(--bg-primary);
    min-height: 50vh;
}

.no-events {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.no-events h3 {
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.event-highlight {
    animation: pulse 2s ease-in-out;
}

/* Team Page */
.team-section {
    background: var(--bg-primary);
    padding: var(--spacing-2xl) 0;
}

.team-category {
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-xl) 0;
}

.team-category-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.team-category-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
}

.team-category-desc {
    color: var(--text-secondary);
}

.team-category h2 {
    text-align: center;
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    padding-bottom: var(--spacing-md);
}

.team-category h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.team-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.team-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.team-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.team-avatar {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    border: 3px solid var(--bg-card);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    position: relative;
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}

.team-initials {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
}

.team-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.team-position {
    color: var(--primary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-sm);
}

.team-info {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.team-info-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.team-info-item svg {
    flex-shrink: 0;
}

.team-details {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.team-detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    justify-content: center;
}

.team-detail-item svg {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

.team-detail-item a {
    color: var(--primary);
    transition: var(--transition);
}

.team-detail-item a:hover {
    text-decoration: underline;
}

.team-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 0.75rem;
    background: rgba(0, 255, 255, 0.1);
    border: 1px solid var(--primary);
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    margin-top: var(--spacing-sm);
}

.team-card-founder {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.05) 0%, rgba(99, 102, 241, 0.05) 100%);
}

.founder-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    justify-content: center;
}

.team-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.section-title {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

/* Contact Page */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.contact-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    padding: var(--spacing-xl);
}

.contact-card h3 {
    margin-bottom: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 255, 255, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 150px;
}

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-info-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}

.contact-info-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 255, 0.1);
    border-radius: var(--border-radius);
    color: var(--primary);
}

.contact-info-content h4 {
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.contact-info-content p,
.contact-info-content a {
    color: var(--text-secondary);
}

.contact-info-content a:hover {
    color: var(--primary);
}

.contact-form-section h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.contact-info-section h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.form-description,
.info-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.contact-form {
    display: flex;
    flex-direction: column;
}

.contact-form label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 255, 255, 0.1);
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
    color: var(--text-muted);
}

.contact-form button[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

.contact-form button[disabled]:hover {
    transform: none;
}

/* Loading spinner */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

/* Form validation */
.form-group input:invalid:not(:placeholder-shown),
.form-group textarea:invalid:not(:placeholder-shown),
.form-group select:invalid:not(:placeholder-shown) {
    border-color: var(--danger);
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown),
.form-group select:valid:not(:placeholder-shown) {
    border-color: var(--success);
}

.form-message {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
    font-weight: 500;
    display: none;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: var(--transition);
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-md);
    background: rgba(0, 255, 255, 0.1);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.contact-info-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.contact-info-card a {
    color: var(--primary);
    font-weight: 600;
    display: inline-block;
    margin: var(--spacing-xs) 0;
}

.contact-info-card a:hover {
    text-decoration: underline;
}

.contact-info-card p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 968px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 640px) {
    .page-header {
        padding: calc(80px + 2rem) 0 2rem;
    }
    
    .event-filters {
        flex-direction: column;
    }
    
    .filter-btn {
        width: 100%;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid,
    .features-grid,
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* ==========================================
   About Page Additional Styles
   ========================================== */

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.about-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.about-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.1);
}

.about-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.about-card h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: white;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Timeline */
.timeline {
    max-width: 800px;
    margin: 3rem auto;
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--primary) 0%, var(--secondary) 100%);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    padding-left: 2rem;
}

.timeline-marker {
    position: absolute;
    left: -2rem;
    top: 0;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: 3px solid var(--bg-primary);
    border-radius: 50%;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.timeline-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.timeline-content h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.timeline-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: scale(1.05);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.15);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Values Grid */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.value-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
}

.value-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: white;
}

.value-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

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

.faq-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: var(--primary);
}

.faq-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.faq-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Contact Stats */
.contact-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.contact-stat {
    text-align: center;
}

.contact-stat .stat-number {
    font-size: 2rem;
}

.contact-stat .stat-label {
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .contact-stats {
        grid-template-columns: 1fr;
    }
}