:root {
    --hub-primary: #0d6efd;
    --hub-light: #f8fafc;
    --hub-muted: #64748b;
    --hub-border: #e2e8f0;
    --vvsu-blue: #04366a;
}
body {
    background: var(--hub-light);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.navbar-light .navbar-brand,
.navbar-light .navbar-nav .nav-link {
    color: var(--vvsu-blue);
    font-weight: 600;
}
.navbar-light .navbar-brand:hover,
.navbar-light .navbar-nav .nav-link:hover {
    color: #032b54;
}
.navbar-light .navbar-text {
    color: var(--vvsu-blue);
}
.hero {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 50%, #084298 100%);
    color: #fff;
    border-radius: 1rem;
    padding: 2rem 1.5rem;
    margin-bottom: 2rem;
}
.hero h1 {
    font-weight: 700;
    letter-spacing: -0.02em;
}
.hero .subtitle {
    color: rgba(255, 255, 255, 0.85);
    max-width: 650px;
}
.project-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: 1px solid var(--hub-border);
    border-radius: 1rem;
    height: 100%;
    background: #fff;
}
.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
}
.project-card .icon-circle {
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    line-height: 1;
    color: #fff;
    padding: 0;
}
.project-card .btn {
    border-radius: 2rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}
.status-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.35em 0.75em;
    border-radius: 2rem;
    white-space: nowrap;
}
.filter-btn.active {
    background-color: var(--hub-primary) !important;
    border-color: var(--hub-primary) !important;
    color: #fff !important;
}
.filter-btn:hover:not(.active) {
    color: var(--hub-primary);
    border-color: var(--hub-primary);
    background-color: transparent;
}
.filter-btn.active:hover {
    background-color: var(--hub-primary) !important;
    border-color: var(--hub-primary) !important;
    color: #fff !important;
}
.empty-state {
    background: #fff;
    border: 1px dashed var(--hub-border);
    border-radius: 1rem;
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--hub-muted);
}
@media (max-width: 575.98px) {
    .hero {
        padding: 1.5rem 1rem;
    }
}

.bg-purple { background-color: #6f42c1 !important; }

.filter-scroll {
    display: flex;
    flex-wrap: nowrap;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    margin-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
    max-width: 100%;
}
.filter-scroll::-webkit-scrollbar {
    display: none;
}
.filter-scroll > .filter-btn {
    flex: 0 0 auto;
    white-space: nowrap;
    scroll-snap-align: start;
}

@media (max-width: 767.98px) {
    .filter-scroll {
        -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 2.5rem), transparent 100%);
                mask-image: linear-gradient(to right, #000 calc(100% - 2.5rem), transparent 100%);
        padding-right: 2.5rem;
    }
}

@media (min-width: 768px) {
    .filter-scroll {
        flex-wrap: wrap;
        overflow-x: visible;
        padding-bottom: 0;
        padding-right: 0;
        scroll-snap-type: none;
        -webkit-mask-image: none;
                mask-image: none;
    }
}