/* ============================================
   Conference Page Specific Styles
   ============================================ */

/* Conference Hero */
.conference-hero {
    background: linear-gradient(135deg, var(--cambridge-blue-dark) 0%, var(--cambridge-blue) 100%);
    padding: var(--spacing-xl) 0;
    text-align: center;
    color: var(--white);
}

.conference-hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-lg);
}

.conference-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--cambridge-gold);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: var(--spacing-md);
}

.conference-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.conference-subtitle {
    font-size: clamp(1.25rem, 3vw, 2rem);
    color: var(--cambridge-gold-light);
    font-weight: 300;
    margin-bottom: var(--spacing-xl);
}

.conference-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
}

.meta-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

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

.meta-text {
    font-size: 1rem;
    line-height: 1.4;
    text-align: center;
}

.conference-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Section Overview */
.section-overview {
    background: var(--off-white);
}

.overview-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 968px) {
    .overview-content {
        grid-template-columns: 2fr 1fr;
    }
}

.overview-text {
    font-size: 1.0625rem;
    line-height: 1.8;
}

.overview-text h3 {
    color: var(--cambridge-blue);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.overview-highlights {
    position: sticky;
    top: 100px;
}

.highlight-box {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--cambridge-gold);
}

.highlight-box h4 {
    color: var(--cambridge-blue);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.features-list {
    list-style: none;
}

.features-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
}

.features-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--cambridge-gold);
    font-weight: 700;
    font-size: 1.25rem;
}

/* Timeline */
.section-dates {
    background: var(--white);
}

.timeline {
    max-width: 800px;
    margin: var(--spacing-xl) auto 0;
    position: relative;
    padding-left: var(--spacing-lg);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, var(--cambridge-blue), var(--cambridge-gold));
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
    padding-left: var(--spacing-lg);
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -9px;
    top: 0;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--white);
    border: 3px solid var(--cambridge-blue);
    z-index: 1;
}

.timeline-item.highlight::before {
    background: var(--cambridge-gold);
    border-color: var(--cambridge-gold);
    width: 20px;
    height: 20px;
    left: -11.5px;
}

.timeline-date {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cambridge-blue);
    margin-bottom: var(--spacing-xs);
}

.timeline-content {
    background: var(--off-white);
    padding: var(--spacing-md);
    border-radius: 8px;
    border-left: 3px solid var(--cambridge-blue);
}

.timeline-item.highlight .timeline-content {
    background: var(--white);
    border-left-color: var(--cambridge-gold);
    box-shadow: var(--shadow-md);
}

.timeline-content h3 {
    font-size: 1.25rem;
    color: var(--cambridge-blue-dark);
    margin-bottom: var(--spacing-sm);
}

.timeline-content p {
    color: var(--gray);
}

.timeline-content ul {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.timeline-content ul li {
    padding: 0.25rem 0;
    color: var(--dark-gray);
}

/* Call for Abstracts */
.section-call {
    background: var(--off-white);
}

.call-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 968px) {
    .call-content {
        grid-template-columns: 2fr 1fr;
    }
}

.call-main {
    font-size: 1.0625rem;
}

.call-main h3 {
    color: var(--cambridge-blue);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.requirements-list {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    margin: var(--spacing-md) 0;
    list-style: none;
}

.requirements-list li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--light-gray);
}

.requirements-list li:last-child {
    border-bottom: none;
}

.deadline-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--cambridge-gold);
    color: var(--white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    margin: var(--spacing-lg) 0;
}

.deadline-icon {
    font-size: 3rem;
}

.deadline-label {
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.9;
}

.deadline-date {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
}

.cta-box {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--white);
    border-radius: 12px;
}

.call-sidebar {
    position: sticky;
    top: 100px;
}

.thematic-sessions h3 {
    font-size: 1.5rem;
    color: var(--cambridge-blue);
    margin-bottom: var(--spacing-md);
}

.session-card {
    background: var(--white);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--cambridge-blue);
    transition: all var(--transition-normal);
}

.session-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

.session-number {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--cambridge-blue);
    color: var(--white);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.session-card h4 {
    font-size: 1.125rem;
    color: var(--cambridge-blue-dark);
    margin-bottom: var(--spacing-sm);
}

.session-organizer {
    font-size: 0.875rem;
    color: var(--gray);
    font-style: italic;
}

/* Form Sections */
.section-form {
    background: var(--off-white);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.form-intro {
    font-size: 1.125rem;
    color: var(--gray);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.jotform-embed {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    min-height: 400px;
}

.form-placeholder {
    text-align: center;
    padding: var(--spacing-xl);
}

.placeholder-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.form-placeholder h3 {
    color: var(--cambridge-blue);
    margin-bottom: var(--spacing-md);
}

.placeholder-note {
    font-size: 0.875rem;
    color: var(--gray);
    font-style: italic;
    margin: var(--spacing-md) 0;
}

.form-help {
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray);
}

/* Registration Section */
.section-registration {
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.pricing-card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--cambridge-gold);
}

.pricing-card.featured {
    border-color: var(--cambridge-gold);
    box-shadow: var(--shadow-lg);
}

.pricing-header {
    background: var(--cambridge-blue);
    color: var(--white);
    padding: var(--spacing-lg);
    text-align: center;
}

.pricing-card.featured .pricing-header {
    background: linear-gradient(135deg, var(--cambridge-blue-dark), var(--cambridge-blue-light));
}

.pricing-header h3 {
    color: var(--white);
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
}

.pricing-subtitle {
    font-size: 0.875rem;
    opacity: 0.9;
}

.pricing-tiers {
    padding: var(--spacing-lg);
}

.tier {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--light-gray);
    text-align: center;
}

.tier:last-child {
    border-bottom: none;
}

.tier-label {
    font-size: 0.875rem;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.25rem;
}

.tier-price {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 700;
    color: var(--cambridge-blue);
    margin-bottom: 0.25rem;
}

.tier-period {
    font-size: 0.875rem;
    color: var(--gray);
}

.registration-includes {
    background: var(--off-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
    margin: var(--spacing-xl) 0;
}

.registration-includes h3 {
    color: var(--cambridge-blue);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.includes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    list-style: none;
}

.includes-grid li {
    padding: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
}

.includes-grid li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--cambridge-gold);
    font-weight: 700;
    font-size: 1.25rem;
}

.optional-extras {
    margin: var(--spacing-xl) 0;
}

.optional-extras h3 {
    color: var(--cambridge-blue);
    margin-bottom: var(--spacing-md);
}

.extra-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.extra-info h4 {
    font-size: 1.25rem;
    color: var(--cambridge-blue-dark);
    margin-bottom: 0.25rem;
}

.extra-info p {
    color: var(--gray);
    margin: 0;
}

.extra-pricing {
    text-align: right;
    font-size: 1rem;
    line-height: 1.6;
}

.extra-price-label {
    font-weight: 600;
    color: var(--gray);
}

/* Programme Section */
.section-programme {
    background: var(--off-white);
}

.programme-preview {
    max-width: 800px;
    margin: 0 auto;
}

.programme-outline {
    margin-top: var(--spacing-xl);
}

.programme-outline h3 {
    color: var(--cambridge-blue);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.schedule-grid {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.schedule-item {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--light-gray);
}

.schedule-item:last-child {
    border-bottom: none;
}

.schedule-time {
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--cambridge-blue);
    font-size: 1.125rem;
}

.schedule-event {
    color: var(--dark-gray);
    font-weight: 600;
}

/* Committee Section */
.section-committee {
    background: var(--white);
}

.committee-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.committee-role {
    background: var(--off-white);
    padding: var(--spacing-lg);
    border-radius: 12px;
}

.role-title {
    font-size: 1.5rem;
    color: var(--cambridge-blue);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--cambridge-gold);
}

.committee-member {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--light-gray);
}

.committee-member:last-child {
    border-bottom: none;
}

.committee-member h4 {
    font-size: 1.125rem;
    color: var(--cambridge-blue-dark);
    margin-bottom: 0.5rem;
}

.member-affiliation {
    font-size: 0.9375rem;
    color: var(--gray);
    line-height: 1.6;
}

.member-note {
    font-style: italic;
    color: var(--gray);
}

.team-note {
    font-size: 0.875rem;
    color: var(--gray);
    font-style: italic;
    margin-top: var(--spacing-sm);
}

/* Volunteer Section */
.section-volunteer {
    background: linear-gradient(135deg, var(--cambridge-blue) 0%, var(--cambridge-blue-dark) 100%);
    color: var(--white);
}

.section-volunteer .section-title {
    color: var(--white);
}

.volunteer-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 968px) {
    .volunteer-content {
        grid-template-columns: 2fr 1fr;
    }
}

.volunteer-text h3 {
    color: var(--cambridge-gold);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.benefits-list,
.volunteer-text .requirements-list {
    list-style: none;
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin: var(--spacing-md) 0;
}

.benefits-list li,
.volunteer-text .requirements-list li {
    padding: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.benefits-list li:last-child,
.volunteer-text .requirements-list li:last-child {
    border-bottom: none;
}

.benefits-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--cambridge-gold);
    font-weight: 700;
    font-size: 1.25rem;
}

.volunteer-note {
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-md);
    border-radius: 8px;
    margin-top: var(--spacing-lg);
}

.volunteer-note p {
    margin-bottom: 0.5rem;
}

.volunteer-cta {
    position: sticky;
    top: 100px;
}

.cta-card {
    background: var(--white);
    color: var(--dark-gray);
    padding: var(--spacing-xl);
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.cta-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.cta-card h3 {
    color: var(--cambridge-blue);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.cta-card p {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .conference-meta {
        grid-template-columns: 1fr;
    }
    
    .timeline {
        padding-left: var(--spacing-md);
    }
    
    .timeline-item {
        padding-left: var(--spacing-md);
    }
    
    .schedule-item {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .extra-item {
        flex-direction: column;
        text-align: center;
    }
    
    .extra-pricing {
        text-align: center;
    }
}