/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    padding: 2rem 0;
    text-align: center;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 0.5rem;
}

/* Main content */
.main-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 0;
}

.hero-section {
    text-align: center;
    max-width: 600px;
    width: 100%;
}

.hero-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 3rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #10b981, #059669);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: #718096;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

/* Announcement card */
.announcement-card {
    background: linear-gradient(135deg, #f7fafc, #edf2f7);
    border-radius: 16px;
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.announcement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #10b981, #059669);
}

.announcement-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
    width: 100%;
    height: 200px;
}

.icon-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.announcement-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.5rem;
}

.announcement-text {
    font-size: 1.125rem;
    color: #4a5568;
    line-height: 1.6;
}

.announcement-text strong {
    color: #10b981;
    font-weight: 600;
}

/* Timeline table */
.timeline-table {
    margin-top: 2rem;
    overflow-x: auto;
}

.timeline-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.timeline-table thead {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.timeline-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.timeline-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #e2e8f0;
    color: #4a5568;
}

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

.timeline-table tbody tr:hover {
    background-color: rgba(16, 185, 129, 0.03);
}

.timeline-table .today-row {
    background-color: rgba(16, 185, 129, 0.08);
    font-weight: 600;
}

.timeline-table .today-row:hover {
    background-color: rgba(16, 185, 129, 0.12);
}

.timeline-table td:nth-child(2) {
    text-align: center;
    font-weight: 600;
    color: #2d3748;
    min-width: 60px;
}

.timeline-table td:nth-child(3) {
    text-align: right;
    font-weight: 500;
    color: #2d3748;
    white-space: nowrap;
    min-width: 90px;
}

/* Features preview */
.features-preview {
    display: flex;
    justify-content: space-around;
    margin-top: 2.5rem;
    gap: 1rem;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    padding: 1rem;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.05);
    border: 1px solid rgba(16, 185, 129, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}

.feature-icon {
    font-size: 1.5rem;
}

.feature-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: #4a5568;
    text-align: center;
}

/* Footer */
.footer {
    padding: 2rem 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

/* Responsive design */
@media (max-width: 768px) {
    .logo {
        font-size: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .hero-content {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .announcement-card {
        padding: 1.5rem;
    }
    
    .timeline-table {
        margin-top: 1.5rem;
    }
    
    .timeline-table table {
        font-size: 0.8rem;
    }
    
    .timeline-table th,
    .timeline-table td {
        padding: 0.6rem 0.75rem;
    }
    
    .timeline-table td:first-child {
        font-size: 0.75rem;
    }
    
    .features-preview {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .feature {
        flex-direction: row;
        justify-content: flex-start;
        text-align: left;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .logo {
        font-size: 1.75rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-content {
        padding: 1.5rem 1rem;
    }
    
    .announcement-card {
        padding: 1.25rem;
    }
    
    .announcement-text {
        font-size: 1rem;
    }
    
    .timeline-table table {
        font-size: 0.75rem;
    }
    
    .timeline-table th {
        font-size: 0.7rem;
        padding: 0.5rem;
    }
    
    .timeline-table td {
        padding: 0.5rem;
    }
    
    .timeline-table td:first-child {
        font-size: 0.7rem;
    }
}