html {
    scroll-behavior: smooth;
}

.card-cat1 { border-left: 3px solid rgba(27,58,107,0.15); transition: border-color 0.2s; }
.card-cat1:hover { border-left-color: #1B3A6B; }
.card-cat2 { border-left: 3px solid rgba(232,160,32,0.20); transition: border-color 0.2s; }
.card-cat2:hover { border-left-color: #E8A020; }
.card-cat3 { border-left: 3px solid rgba(34,85,170,0.15); transition: border-color 0.2s; }
.card-cat3:hover { border-left-color: #2255AA; }

#navbar.scrolled {
    box-shadow: 0 1px 24px rgba(27, 58, 107, 0.10);
}

.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.65s ease, transform 0.65s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #f4f6fa; }
::-webkit-scrollbar-thumb { background: #1B3A6B; border-radius: 3px; }

::selection { background: #E8A020; color: white; }

.lang-option.is-active { color: #1B3A6B; font-weight: 700; }