/* Marxist Education Header Styles */
:root {
    --primary-accent: #e63946;
    --dark-bg: #2c3e50;
    --light-text: #ffffff;
    --dark-text: #2c3e50;
    --gray-text: #7f8c8d;
    --light-bg: #ffffff;
    --border-color: #ecf0f1;
}

/* Announcement Bar */
.announcement-bar {
    background: linear-gradient(135deg, var(--dark-bg) 0%, #34495e 100%);
    padding: 0;
    position: relative;
    overflow: hidden;
}

.announcement-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-accent), #f39c12, var(--primary-accent));
    background-size: 200% 100%;
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% { background-position: -200% 0; }
    50% { background-position: 200% 0; }
}

.announcement-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    min-height: 80px;
}

.announcement-item {
    position: relative;
    padding: 20px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    overflow: hidden;
    border-right: 1px solid rgba(255,255,255,0.1);
}

.announcement-item:last-child {
    border-right: none;
}

.announcement-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    transition: left 0.6s ease;
}

.announcement-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    z-index: 2;
}

.announcement-item:hover::before {
    left: 100%;
}

.announcement-icon {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.announcement-item:hover .announcement-icon {
    transform: scale(1.1) rotate(5deg);
    background: rgba(255,255,255,1);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.announcement-icon img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.announcement-content {
    flex: 1;
    position: relative;
    z-index: 1;
}

.announcement-content h4 {
    margin: 0 0 5px 0;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.2;
}

.announcement-content p {
    margin: 0;
    font-size: 13px;
    opacity: 0.9;
    line-height: 1.4;
}

.announcement-link {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    text-decoration: none;
}

/* Main Header */
.main-header {
    background: var(--light-bg);
    box-shadow: 0 2px 30px rgba(0,0,0,0.08);
    position: relative;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    position: relative;
}

/* Branding Section */
.branding-section {
    flex: 0 0 auto;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 20px;
}

.site-logo img {
    max-height: 50px;
    width: auto;
    transition: transform 0.3s ease;
}

.site-logo:hover img {
    transform: scale(1.05);
}

.logo-text-content {
    padding-left: 25px;
    border-left: 3px solid var(--primary-accent);
    position: relative;
}

.logo-text-content::before {
    content: '';
    position: absolute;
    left: -3px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--primary-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: translateY(-50%) scale(1); }
    50% { opacity: 0.7; transform: translateY(-50%) scale(1.2); }
}

.logo-title {
    margin: 0;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.5px;
    text-transform: uppercase;
}

.logo-subtitle {
    margin: 4px 0 0 0;
    font-weight: 300;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    opacity: 0.8;
}

/* Navigation */
.main-navigation {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.primary-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 30px;
    align-items: center;
}

.primary-menu li {
    position: relative;
}

.primary-menu li a {
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    padding: 8px 0;
    position: relative;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.primary-menu li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-accent), #f39c12);
    transition: width 0.3s ease;
}

.primary-menu li a:hover::after,
.primary-menu li.current-menu-item a::after {
    width: 100%;
}

.primary-menu li a:hover {
    transform: translateY(-1px);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    width: 30px;
    height: 24px;
    justify-content: space-between;
    cursor: pointer;
    padding: 0;
    position: relative;
    z-index: 1001;
}

.mobile-menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--dark-text);
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .announcement-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .announcement-item {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .announcement-item:last-child {
        border-bottom: none;
    }
    
    .primary-menu {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
    }
    
    .branding-section {
        flex: 1;
    }
    
    .logo-container {
        gap: 15px;
    }
    
    .logo-text-content {
        padding-left: 15px;
    }
    
    .logo-title {
        font-size: 22px !important;
    }
    
    .logo-subtitle {
        font-size: 12px !important;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .main-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--light-bg);
        box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        padding: 20px;
    }
    
    .main-navigation.active {
        display: block;
    }
    
    .primary-menu {
        flex-direction: column;
        gap: 0;
        align-items: stretch;
    }
    
    .primary-menu li {
        border-bottom: 1px solid var(--border-color);
    }
    
    .primary-menu li:last-child {
        border-bottom: none;
    }
    
    .primary-menu li a {
        display: block;
        padding: 12px 0;
    }
}

@media (max-width: 480px) {
    .announcement-item {
        padding: 15px 20px;
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .announcement-icon {
        width: 35px;
        height: 35px;
    }
    
    .logo-container {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
    
    .logo-text-content {
        padding-left: 0;
        border-left: none;
        border-top: 3px solid var(--primary-accent);
        padding-top: 10px;
    }
    
    .logo-text-content::before {
        left: 50%;
        top: -4px;
        transform: translateX(-50%);
    }
}

/* Animation for menu items */
@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.primary-menu li {
    animation: slideInDown 0.5s ease forwards;
}

.primary-menu li:nth-child(1) { animation-delay: 0.1s; }
.primary-menu li:nth-child(2) { animation-delay: 0.2s; }
.primary-menu li:nth-child(3) { animation-delay: 0.3s; }
.primary-menu li:nth-child(4) { animation-delay: 0.4s; }
.primary-menu li:nth-child(5) { animation-delay: 0.5s; }

/* Sticky header effect */
.marxist-header {
    position: sticky;
    top: 0;
    z-index: 1000;
}