/* ===== CALL FOR PAPERS CSS ===== */

/* Hero Section */
.cfp-hero {
    position: relative;
    min-height: 350px;
    display: flex;
    align-items: center;
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 30%;
    display: block;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
  135deg,
  rgba(44, 62, 80, 0.8) 0%,
  rgba(26, 37, 47, 0.3) 100%
);
    z-index: 0;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: var(--secondary);
    color: white;
    padding: 8px 20px;
    border-radius: 30px;
    margin-bottom: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 15px;
}

.hero-theme {
    font-size: 1.2rem;
    line-height: 1.5;
    margin-bottom: 25px;
    font-style: italic;
    opacity: 0.95;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
}

.hero-meta i {
    color: var(--secondary);
    margin-right: 8px;
}

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

.btn-large {
    padding: 14px 32px;
    font-size: 1rem;
}

/* Quick Navigation */
.quick-nav {
    background: white;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 99;
    box-shadow: var(--shadow-sm);
}

.quick-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
}

.quick-link {
    padding: 8px 18px;
    background: var(--background-light);
    color: var(--primary);
    text-decoration: none;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.quick-link:hover {
    background: var(--secondary);
    color: white;
}

/* Section Styles */
.section-title {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.section-title.text-center {
    text-align: center;
}

.section-divider {
    width: 80px;
    height: 3px;
    background: var(--secondary);
    margin-bottom: 30px;
}

.section-divider.center {
    margin: 0 auto 30px;
}

/* About Section */
.about-section {
    padding: 60px 0;
    background: white;
}

.about-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 20px;
    text-align: center;
}

/* Thematic Areas */
.thematic-section {
    padding: 60px 0;
    background: var(--background-light);
}

.thematic-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.thematic-card {
    background: white;
    padding: 30px 20px;
    text-align: center;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.thematic-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary);
}

.card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.card-icon i {
    font-size: 2rem;
    color: white;
}

.thematic-card h3 {
    font-size: 1rem;
    color: var(--primary);
    line-height: 1.4;
}

/* Important Dates */
.dates-section {
    padding: 60px 0;
    background: white;
}

.dates-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.date-card {
    background: var(--background-light);
    padding: 25px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.date-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
    border-color: var(--secondary);
}

.date-card.highlight {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.date-card.highlight .date-info h3,
.date-card.highlight .date-value {
    color: white;
}

.date-icon i {
    font-size: 2rem;
    color: var(--secondary);
}

.date-card.highlight .date-icon i {
    color: var(--secondary);
}

.date-info {
    flex: 1;
}

.date-info h3 {
    font-size: 1rem;
    margin-bottom: 5px;
    color: var(--primary);
}

.date-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

.date-status {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: rgba(230,126,34,0.1);
    color: var(--secondary);
    border-radius: 20px;
}

.date-status.confirmed {
    background: rgba(39,174,96,0.1);
    color: var(--success);
}

/* Conference Schedule */
.schedule-section {
    padding: 60px 0;
    background: var(--background-light);
}

.schedule-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.schedule-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.schedule-card.optional {
    background: rgba(230,126,34,0.05);
    border-color: var(--secondary);
}

.schedule-day {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 5px;
}

.schedule-date {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.schedule-events p {
    margin: 8px 0;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.schedule-events i {
    color: var(--secondary);
    margin-right: 8px;
    width: 20px;
}

.extra-fee {
    color: var(--danger);
    font-size: 0.8rem;
    margin-top: 8px;
}

/* Submission Section */
.submission-section {
    padding: 60px 0;
    background: white;
}

.submission-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.submission-card {
    background: var(--background-light);
    padding: 35px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.submission-card.portal {
    border-top: 4px solid var(--accent);
}

.submission-card.email {
    border-top: 4px solid var(--secondary);
}

.submission-icon i {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 15px;
}

.submission-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--primary);
}

.submission-card p {
    color: var(--text-light);
    margin-bottom: 20px;
}

.feature-list {
    list-style: none;
    padding: 0;
    text-align: left;
    margin: 20px 0;
}

.feature-list li {
    margin-bottom: 10px;
    color: var(--text-light);
}

.feature-list i {
    color: var(--success);
    margin-right: 8px;
}

.btn-full {
    width: 100%;
}

.guidelines-note {
    background: rgba(52,152,219,0.05);
    border-radius: 10px;
    padding: 25px;
    border-left: 3px solid var(--accent);
}

.guidelines-note h3 {
    color: var(--primary);
    margin-bottom: 15px;
}

.guidelines-note h3 i {
    color: var(--accent);
    margin-right: 8px;
}

.guidelines-links {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.guideline-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.guideline-item i {
    font-size: 1.3rem;
    color: var(--accent);
    margin-top: 3px;
}

.guideline-item strong {
    display: block;
    color: var(--primary);
    margin-bottom: 3px;
}

.guideline-item p {
    color: var(--text-light);
    margin: 0;
}

.guideline-item a {
    color: var(--secondary);
    text-decoration: none;
}

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

/* Fees Section */
.fees-section {
    padding: 60px 0;
    background: var(--background-light);
}

.fees-table-container {
    overflow-x: auto;
    margin-bottom: 20px;
}

.fees-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.fees-table th {
    background: var(--primary);
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 600;
}

.fees-table th span {
    font-size: 0.8rem;
    font-weight: normal;
    display: block;
    margin-top: 3px;
    opacity: 0.8;
}

.fees-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

.fees-table tr:last-child td {
    border-bottom: none;
}

.category-cell i {
    color: var(--secondary);
    margin-right: 8px;
}

.price-cell {
    font-weight: 600;
    color: var(--primary);
}

.fees-note {
    background: rgba(39,174,96,0.05);
    padding: 15px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.fees-note i {
    color: var(--success);
    font-size: 1.2rem;
}

.fees-note p {
    margin: 0;
    color: var(--text-light);
}

/* Doctoral Section */
.doctoral-section {
    padding: 60px 0;
    background: white;
}

.doctoral-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 15px;
    padding: 40px;
    display: flex;
    align-items: center;
    gap: 30px;
    color: white;
}

.doctoral-icon i {
    font-size: 3rem;
    color: var(--secondary);
}

.doctoral-content {
    flex: 1;
}

.doctoral-content h3 {
    margin-bottom: 5px;
    font-size: 1.5rem;
}

.doctoral-subtitle {
    font-size: 1rem;
    opacity: 0.9;
    margin-bottom: 10px;
}

.doctoral-details {
    margin-top: 15px;
}

.doctoral-details p {
    margin: 5px 0;
}

.doctoral-details i {
    color: var(--secondary);
    margin-right: 8px;
}

.doctoral-details a {
    color: white;
    text-decoration: none;
}

.doctoral-details a:hover {
    text-decoration: underline;
}

/* Payment Section */
.payment-section {
    padding: 60px 0;
    background: var(--background-light);
}

.payment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.payment-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.payment-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.payment-header i {
    font-size: 1.8rem;
    color: var(--secondary);
}

.payment-header h3 {
    margin: 0;
    color: var(--primary);
}

.payment-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-label {
    color: var(--text-light);
}

.detail-value {
    font-weight: 500;
    color: var(--primary);
}

.detail-value.highlight {
    color: var(--secondary);
    font-weight: 700;
}

.payment-notes {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.note-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
}

.note-item i {
    color: var(--secondary);
    font-size: 0.6rem;
}

/* Contact Section */
.contact-section {
    padding: 60px 0;
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.contact-card {
    background: var(--background-light);
    padding: 25px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

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

.contact-card.highlight {
    border: 2px solid var(--secondary);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
}

.contact-icon i {
    font-size: 1.5rem;
    color: white;
}

.contact-card h4 {
    color: var(--primary);
    margin-bottom: 8px;
}

.contact-email, .contact-phone {
    color: var(--secondary);
    text-decoration: none;
    font-size: 0.9rem;
    word-break: break-all;
}

.contact-email:hover, .contact-phone:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .thematic-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .schedule-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-theme {
        font-size: 1rem;
    }
    
    .hero-meta {
        flex-direction: column;
        gap: 10px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .quick-links {
        flex-wrap: wrap;
    }
    
    .thematic-grid {
        grid-template-columns: 1fr;
    }
    
    .dates-grid {
        grid-template-columns: 1fr;
    }
    
    .schedule-grid {
        grid-template-columns: 1fr;
    }
    
    .submission-grid {
        grid-template-columns: 1fr;
    }
    
    .payment-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .doctoral-card {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .fees-table th, .fees-table td {
        padding: 8px 10px;
        font-size: 0.85rem;
    }
    
    .detail-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
}