:root {
    --brand-primary: #0d6efd;
    --brand-secondary: #6c757d;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.hero {
    background: url('../images/hero-bg.jpg') no-repeat center center;
    background-size: cover;
    height: 100vh;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 700;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.section-icon {
    width: 100%;
    max-width: 400px;
    height: auto;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

@media (min-width: 768px) {
    .section-icon {
        margin-bottom: 0;
    }
}

.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

footer {
    background-color: #f8f9fa;
}

.footer-link {
    color: inherit;
    text-decoration: none;
}

.footer-link:hover {
    text-decoration: underline;
}

.floating-announcement {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 260px;
    background-color: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(221, 221, 221, 0.8);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
    z-index: 1050;
    font-size: 0.85rem;
}

.announcement-header {
    padding: 8px 12px;
    background-color: rgba(248, 249, 250, 0.9);
    border-bottom: 1px solid rgba(221, 221, 221, 0.6);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 8px 8px 0 0;
}

.announcement-header strong {
    flex-grow: 1;
    font-size: 0.9rem;
    font-weight: 600;
}

.announcement-body {
    padding: 10px 12px;
    font-size: 0.8rem;
    line-height: 1.4;
}

.announcement-body p {
    margin: 0;
}

.announcement-body a {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
}

.announcement-body a:hover {
    text-decoration: underline;
}