/* ===== IMPORTANT DATES CSS ===== */

/* Hero Section */
.dates-hero {
    position: relative;
    min-height: 400px;
    display: flex;
    align-items: center;
    color: white;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
}

.hero-background img {
    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, 0.8) 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-subtitle {
    font-size: 1.3rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

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

.btn-large {
    padding: 15px 35px;
    font-size: 1.1rem;
}

/* Countdown Section */
.countdown-section {
    padding: 40px 0;
    background: white;
    margin-top: -40px;
    position: relative;
    z-index: 10;
}

.countdown-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    border: 1px solid var(--border-color);
}

.next-deadline {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

.next-deadline i {
    color: var(--secondary);
    margin-right: 10px;
}

.next-deadline span {
    color: var(--text-light);
}

.next-deadline strong {
    color: var(--primary);
    margin-left: 5px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
}

.countdown-item {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    min-width: 100px;
}

.countdown-value {
    font-size: 3rem;
    font-weight: 700;
    display: block;
    line-height: 1;
}

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

.deadline-date {
    color: var(--text-light);
    font-size: 1rem;
}

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

.section-title {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 15px;
}

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

.timeline-container {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: var(--shadow-sm);
}

.timeline-months {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    color: var(--text-light);
    font-size: 0.9rem;
}

.timeline-bar {
    position: relative;
    height: 60px;
    background: var(--background-light);
    border-radius: 30px;
    margin: 20px 0 40px;
}

.timeline-progress {
    position: absolute;
    height: 100%;
    background: linear-gradient(90deg, var(--secondary) 0%, var(--secondary-light) 100%);
    border-radius: 30px;
    opacity: 0.3;
}

.timeline-marker {
    position: absolute;
    top: -25px;
    transform: translateX(-50%);
    text-align: center;
}

.marker-dot {
    width: 16px;
    height: 16px;
    background: var(--secondary);
    border-radius: 50%;
    display: block;
    margin: 0 auto 5px;
    border: 3px solid white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.marker-label {
    font-size: 0.8rem;
    color: var(--primary);
    font-weight: 600;
    white-space: nowrap;
}

/* Category Tabs */
.category-tabs {
    display: flex;
    gap: 10px;
    margin: 30px 0;
    flex-wrap: wrap;
}

.category-tab {
    padding: 10px 25px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.category-tab:hover {
    background: var(--background-light);
}

.category-tab.active {
    background: var(--secondary);
    color: white;
    border-color: var(--secondary);
}

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

.dates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.date-card {
    background: white;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.date-card.submission { border-left: 4px solid var(--accent); }
.date-card.notification { border-left: 4px solid var(--warning); }
.date-card.registration { border-left: 4px solid var(--success); }
.date-card.conference { border-left: 4px solid var(--primary); }

.date-card-header {
    padding: 15px 20px;
    background: var(--background-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.date-category {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
}

.date-priority {
    font-size: 0.75rem;
    padding: 3px 10px;
    border-radius: 20px;
    font-weight: 600;
}

.date-priority.urgent {
    background: var(--danger);
    color: white;
}

.date-priority.warning {
    background: var(--warning);
    color: white;
}

.date-card-body {
    padding: 20px;
}

.date-title {
    font-size: 1.1rem;
    margin-bottom: 15px;
    color: var(--primary);
}

.date-details {
    margin-bottom: 15px;
}

.date-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.date-item i {
    color: var(--secondary);
    width: 20px;
}

.date-countdown {
    margin: 15px 0;
}

.days-left {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--secondary);
    display: block;
    margin-bottom: 5px;
}

.progress-bar {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--secondary) 0%, var(--secondary-light) 100%);
    border-radius: 3px;
}

.date-actions {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px dashed var(--border-color);
}

.btn-icon {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-color);
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    background: var(--secondary);
    color: white;
    border-color: var(--secondary);
}

.btn-register {
    background: var(--secondary);
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.85rem;
    margin-left: auto;
}

.date-note {
    font-size: 0.8rem;
    color: var(--danger);
    margin-left: auto;
}

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

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

.category-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.category-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.submission-cat .category-icon { background: rgba(52,152,219,0.1); color: var(--accent); }
.notification-cat .category-icon { background: rgba(241,196,15,0.1); color: var(--warning); }
.registration-cat .category-icon { background: rgba(46,204,113,0.1); color: var(--success); }
.conference-cat .category-icon { background: rgba(44,62,80,0.1); color: var(--primary); }

.category-icon i {
    font-size: 2rem;
}

.category-card h3 {
    margin-bottom: 20px;
    color: var(--primary);
}

.category-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.category-card li {
    margin-bottom: 10px;
    color: var(--text-light);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.category-card i {
    color: var(--success);
    font-size: 0.8rem;
}

/* Calendar Integration */
.calendar-integration {
    padding: 60px 0;
    background: white;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin-top: 30px;
}

.calendar-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 25px 15px;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.calendar-btn i {
    font-size: 2rem;
    margin-bottom: 10px;
}

.calendar-btn.google { color: #4285F4; }
.calendar-btn.outlook { color: #0078D4; }
.calendar-btn.apple { color: #000000; }
.calendar-btn.yahoo { color: #6001D2; }
.calendar-btn.ics { color: var(--primary); }

.calendar-btn span {
    font-size: 0.9rem;
    font-weight: 500;
}

.calendar-btn:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: var(--background-light);
}

/* Notes Section */
.notes-section {
    padding: 40px 0;
    background: var(--background-light);
}

.notes-card {
    background: white;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.notes-card h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 25px;
    color: var(--warning);
}

.notes-card h3 i {
    font-size: 1.5rem;
}

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

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

.note-item i {
    color: var(--secondary);
    font-size: 1.3rem;
}

.note-item strong {
    display: block;
    margin-bottom: 5px;
    color: var(--primary);
}

.note-item p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0;
}

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

.download-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 50px;
    border-radius: 15px;
    text-align: center;
}

.download-card h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.download-card p {
    opacity: 0.9;
    margin-bottom: 30px;
}

.download-options {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.download-option {
    background: rgba(255,255,255,0.1);
    color: white;
    padding: 15px 30px;
    border-radius: 10px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.2);
}

.download-option:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.download-option i {
    font-size: 1.3rem;
}

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

.questions-card {
    text-align: center;
}

.questions-card h2 {
    color: var(--primary);
    margin-bottom: 30px;
    font-size: 2rem;
}

.questions-contact {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-item i {
    color: var(--secondary);
    font-size: 1.3rem;
}

.contact-item a {
    color: var(--primary);
    text-decoration: none;
    font-size: 1.1rem;
}

.contact-item a:hover {
    color: var(--secondary);
    text-decoration: underline;
}

.contact-item span {
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .notes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .calendar-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .countdown-timer {
        flex-wrap: wrap;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .countdown-item {
        min-width: 70px;
        padding: 15px;
    }
    
    .countdown-value {
        font-size: 2rem;
    }
    
    .dates-grid {
        grid-template-columns: 1fr;
    }
    
    .category-grid {
        grid-template-columns: 1fr;
    }
    
    .calendar-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .notes-grid {
        grid-template-columns: 1fr;
    }
    
    .download-options {
        flex-direction: column;
    }
    
    .questions-contact {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .timeline-months {
        font-size: 0.7rem;
    }
    
    .marker-label {
        font-size: 0.6rem;
    }
    
    .calendar-grid {
        grid-template-columns: 1fr;
    }
    
    .date-actions {
        flex-wrap: wrap;
    }
}