/* Custom styles for this site. Tailwind utilities handle most styling; add rules here only for the rare effect utilities cannot express. */

/* Neutralize the browser's default link look (blue + underline) immediately,
   before the page's full styling has finished loading, so links never
   flash with an unwanted underline for a moment. */
a {
    text-decoration: none;
    color: inherit;
}


.faq-item[data-open] .faq-icon {
    transform: rotate(45deg);
}

.filter-btn {
    color: hsl(var(--muted-foreground));
}
.filter-btn.is-active {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-color: hsl(var(--primary));
}

/* Mobile navigation modal */
.mobile-menu-panel {
    animation: mobileMenuIn 0.22s ease-out;
}
@keyframes mobileMenuIn {
    from {
        opacity: 0;
        transform: translateY(-10px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}
@media (prefers-reduced-motion: reduce) {
    .mobile-menu-panel {
        animation: none;
    }
}

/* Header that blends into a hero image/video, then solidifies on scroll */
.site-header {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    z-index: 50;
    background-color: transparent;
    border-bottom: 1px solid transparent;
    color: rgba(255, 255, 255, 0.95);
    transition:
        background-color 0.35s ease,
        border-color 0.35s ease,
        color 0.35s ease,
        backdrop-filter 0.35s ease,
        box-shadow 0.35s ease;
}
.site-header[data-solid='true'] {
    background-color: hsl(var(--background) / 0.92);
    backdrop-filter: blur(10px);
    border-bottom-color: hsl(var(--border) / 0.8);
    color: hsl(var(--foreground));
    box-shadow: 0 1px 2px hsl(var(--foreground) / 0.04);
}
.site-header .header-text-muted {
    color: rgba(255, 255, 255, 0.85);
}
.site-header[data-solid='true'] .header-text-muted {
    color: hsl(var(--foreground) / 0.8);
}
.site-header .header-text-muted a:hover {
    color: #fff;
}
.site-header[data-solid='true'] .header-text-muted a:hover {
    color: hsl(var(--foreground));
}
.site-header .header-border {
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: rgba(255, 255, 255, 0.95);
    transition:
        border-color 0.35s ease,
        color 0.35s ease;
}
.site-header .header-border:hover {
    border-color: rgba(255, 255, 255, 0.85);
    color: #fff;
}
.site-header[data-solid='true'] .header-border {
    border-color: hsl(var(--border));
    color: hsl(var(--foreground) / 0.8);
}
.site-header[data-solid='true'] .header-border:hover {
    border-color: hsl(var(--foreground));
    color: hsl(var(--foreground));
}

/* Language dropdown */
.lang-menu {
    animation: langMenuIn 0.15s ease-out;
}
@keyframes langMenuIn {
    from {
        opacity: 0;
        transform: translateY(-6px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}
@media (prefers-reduced-motion: reduce) {
    .lang-menu {
        animation: none;
    }
}
[data-lang-toggle][aria-expanded='true'] .lang-caret {
    transform: rotate(180deg);
}

.site-nav-link {
    position: relative;
}

/* Active navigation highlighting: an animated underline that tracks the
   section currently in view, plus a matching accent in the mobile menu */
.nav-underline {
    position: absolute;
    left: 0;
    bottom: -8px;
    height: 2px;
    width: 0;
    border-radius: 999px;
    background: currentColor;
    opacity: 0;
    transform: translateX(0);
    transition:
        transform 0.4s cubic-bezier(0.65, 0, 0.35, 1),
        width 0.4s cubic-bezier(0.65, 0, 0.35, 1),
        opacity 0.25s ease;
    pointer-events: none;
}
.site-nav-link.is-active-nav {
    font-weight: 600;
}
.site-header .header-text-muted .site-nav-link.is-active-nav {
    color: #fff;
}
.site-header[data-solid='true'] .header-text-muted .site-nav-link.is-active-nav {
    color: hsl(var(--foreground));
}
#mobile-menu .site-nav-link.is-active-nav {
    background: hsl(var(--muted));
    color: hsl(var(--foreground));
}
@media (prefers-reduced-motion: reduce) {
    .nav-underline {
        transition: none;
    }
}

/* Images: no drag-out, no accidental text-style selection or callout */
img {
    -webkit-user-drag: none;
    user-drag: none;
    -webkit-user-select: none;
    user-select: none;
    -webkit-touch-callout: none;
}