/* Header & Announcement Bar Styles */

.announcement-bar {
    background-color: var(--color-bg);
    border-block-end: 1px solid var(--color-border);
    padding-block: var(--space-2);
    padding-inline: 0;
    overflow: hidden;
    position: relative;
    z-index: var(--z-sticky);
}

.announcement-viewport {
    width: 100%;
    overflow: hidden;
}

.announcement-track {
    display: flex;
    width: max-content;
    white-space: nowrap;
    animation: scroll-left 20s linear infinite;
}

/* Pause ticker on user hover or keyboard focus */
.announcement-bar:hover .announcement-track,
.announcement-bar:focus-within .announcement-track {
    animation-play-state: paused;
}

.announcement-msg {
    margin: 0;
    padding-block: 0;
    padding-inline: var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.announcement-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--color-primary);
}

/* LTR Ticker Animation: moves leftward */
@keyframes scroll-left {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* RTL Ticker Animation: moves rightward */
body.rtl .announcement-track,
[dir="rtl"] .announcement-track {
    animation: scroll-right 20s linear infinite;
}

@keyframes scroll-right {
    0% { transform: translateX(0); }
    100% { transform: translateX(50%); }
}

/* Stop ticker animation when reduced motion is preferred */
@media (prefers-reduced-motion: reduce) {
    .announcement-track {
        animation: none;
        width: auto;
        white-space: normal;
    }

    /* The duplicate exists only so the scrolling loop is seamless. With no
       scrolling it would just print the message twice. */
    .announcement-track .announcement-msg[aria-hidden="true"] {
        display: none;
    }
}

.site-header {
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-block-end: 1px solid var(--color-border-subtle);
    position: sticky;
    inset-block-start: 0;
    z-index: var(--z-fixed);
    transition: var(--transition-base);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    /* min-height, not height: a menu too long for one line wraps and makes
       the header taller instead of pushing the page sideways. */
    min-height: var(--header-height);
    padding-block: var(--space-2);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.header-cta-btn {
    background-color: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border-strong);
    padding-block: var(--space-2);
    padding-inline: var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: var(--transition-base);
}

.header-cta-btn:hover {
    background-color: var(--color-primary);
    color: var(--color-bg);
    border-color: var(--color-primary);
}

/* List reset shared by the assigned menu and the page-based fallback.
   Display is deliberately absent: .nav-menu in components.css hides the list
   below the navigation breakpoint and shows it above, and a display here
   would outrank it and hold the mobile menu permanently open. */
.main-navigation ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-navigation {
    min-width: 0;
}

@media (min-width: 1024px) {
    .nav-menu {
        gap: var(--space-6);
    }
}

.main-navigation a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    transition: var(--transition-fast);
}

.main-navigation a:hover {
    color: var(--color-primary);
}