/* ===== HOMEPAGE.CSS ===== */

/* Hero Section */
.hero {
    position: relative;
    height: 80vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(44, 62, 80, 0.95) 0%, rgba(52, 73, 87, 0.7) 100%);
    z-index: -1;
}

.hero-content {
    color: white;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: var(--spacing-md);
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    animation: slideUp 1s ease;
}

.hero-content p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    animation: slideUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: slideUp 1s ease 0.4s both;
}

/* Welcome Section */
.welcome {
    padding: var(--spacing-xl) 0;
    background-color: var(--background-light);
}

.welcome-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    
}

.welcome-content h2 {
    color: var(--primary);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.welcome-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--secondary);
}

.welcome-text {
    color: var(--text-light);
    line-height: 1.8;
}

.welcome-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

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

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.welcome-buttons {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.welcome-image {
    background-image: url('../images/IRIC-9983.jpg');
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius-lg);
    height: 400px;
    box-shadow: var(--shadow-lg);
    transition: transform var(--transition-normal);
}

.welcome-image:hover {
    transform: scale(1.02);
}

/* Conferences Section */
.conferences {
    padding: var(--spacing-xl) 0;
    background-color: white;
}

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

.conference-card {
    background: white;
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.conference-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary), var(--accent));
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

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

.conference-card:hover::before {
    transform: translateX(0);
}

.conference-date {
    color: var(--secondary);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.conference-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xs);
    color: var(--primary);
}

.conference-location {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-md);
}

.conference-link {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    display: inline-block;
}

.conference-link:hover {
    transform: translateX(5px);
}

/* Important Dates Section */
.dates {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}

.dates h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.timeline {
    max-width: 600px;
    margin: 0 auto;
}

.timeline-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    animation: slideInRight 0.5s ease;
    animation-fill-mode: both;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }

.timeline-event {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.timeline-dot {
    width: 10px;
    height: 10px;
    background-color: var(--secondary);
    border-radius: 50%;
    display: inline-block;
    animation: pulse 2s infinite;
}

.timeline-date {
    font-weight: 600;
    color: var(--secondary);
}

/* CFP Section */
.cfp {
    padding: var(--spacing-xl) 0;
    background-color: var(--background-light);
}

.cfp-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-lg);
    max-width: 800px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
}

.cfp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.cfp-header h2 {
    color: var(--primary);
    margin: 0;
}

.cfp-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.cfp-links {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cfp-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cfp-link:hover {
    color: var(--secondary);
}

/* Gallery Section */
.gallery {
    padding: var(--spacing-xl) 0;
    background-color: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    aspect-ratio: 16/9;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

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

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: var(--spacing-sm);
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.gallery-item:hover .gallery-item-overlay {
    transform: translateY(0);
}

.gallery-committee {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* Contact Section */
.contact {
    padding: var(--spacing-xl) 0;
    background-color: var(--background-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact-info h2 {
    color: var(--primary);
}

.contact-details {
    margin-top: var(--spacing-lg);
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.contact-detail-item span:first-child {
    font-size: var(--font-size-xl);
}

.contact-form {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

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

.form-input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 2px rgba(230, 126, 34, 0.1);
}

textarea.form-input {
    min-height: 120px;
    resize: vertical;
}

/* ===== KEY DATES SECTION ===== */
.key-dates {
    padding: var(--spacing-xl) 0;
    background: white;
}

.key-dates-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    color: white;
    box-shadow: var(--shadow-lg);
}

.key-dates-card h2 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: var(--spacing-lg);
    font-size: 1.8rem;
}

.key-dates-card h2 i {
    color: var(--secondary);
}

.key-dates-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.key-date-item {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.key-date-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.key-date-item.highlight {
    background: var(--secondary);
    color: var(--primary-dark);
}

.key-date-label {
    display: block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
    opacity: 0.9;
}

.key-date-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
}

.key-dates-card .btn-outline {
    background: transparent;
    border: 2px solid white;
    color: white;
}

.key-dates-card .btn-outline:hover {
    background: var(--secondary);
    border-color: var(--secondary);
    color: var(--primary-dark);
}

/* ===== THEMATIC AREAS PREVIEW ===== */
.thematic-preview {
    padding: var(--spacing-xl) 0;
    background: var(--background-light);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.section-header h2 {
    color: var(--primary);
    margin: 0;
    font-size: 1.8rem;
}

.view-all {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.view-all:hover {
    color: var(--secondary-light);
}

.thematic-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.thematic-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    cursor: pointer;
}

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

.thematic-card i {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: var(--spacing-sm);
}

.thematic-card h3 {
    font-size: 1rem;
    color: var(--primary);
    margin: 0;
    line-height: 1.4;
}

/* ===== RESPONSIVE FOR NEW SECTIONS ===== */
@media (max-width: 992px) {
    .key-dates-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .thematic-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .key-dates-card h2 {
        font-size: 1.4rem;
    }
    
    .key-dates-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .thematic-grid {
        grid-template-columns: 1fr;
    }
    
    .section-header {
        flex-direction: column;
        text-align: center;
    }
}

/* Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(230, 126, 34, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(230, 126, 34, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(230, 126, 34, 0);
    }
}

/* Responsive Design */
@media (max-width: 992px) {
    .welcome-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .welcome-image {
        height: 300px;
        order: -1;
    }
}

@media (max-width: 768px) {
    .hero {
        min-height: 500px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .welcome-stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
    
    .cfp-header {
        flex-direction: column;
        text-align: center;
    }
    
    .cfp-links {
        justify-content: center;
    }
    
    .timeline-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .hero {
        min-height: 400px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-detail-item {
        flex-direction: column;
        text-align: center;
    }
}

/* Add to existing homepage.css */

/* Announcement Ticker */
.announcement-ticker {
    background: rgba(230, 126, 34, 0.9);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-md);
    overflow: hidden;
    position: relative;
}

.ticker-content {
    display: flex;
    gap: var(--spacing-lg);
    animation: ticker 20s linear infinite;
    white-space: nowrap;
}

.ticker-content span {
    color: white;
    font-weight: 500;
}

@keyframes ticker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Notifications */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--secondary);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    z-index: 9999;
    animation: slideIn 0.3s ease;
    max-width: 300px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Loading States Enhancement */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.7);
    z-index: 1;
}

.loading::after {
    z-index: 2;
}

/* Error State */
.error-message {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--danger);
    background: rgba(231, 76, 60, 0.1);
    border-radius: var(--border-radius);
    margin: var(--spacing-md) 0;
}

/* Success Message */
.success-message {
    text-align: center;
    padding: var(--spacing-sm);
    color: var(--success);
    background: rgba(39, 174, 96, 0.1);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-sm);
}

/* Form Validation */
.form-input.error {
    border-color: var(--danger);
}

.form-input.success {
    border-color: var(--success);
}

/* Print Styles */
@media print {
    .navbar,
    .hero-buttons,
    .footer-social,
    .contact-form {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
    
    a {
        text-decoration: none;
        color: black;
    }
}