.da-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: radial-gradient(circle at top left, rgba(17, 65, 55, 0.95) 0%, rgba(5, 7, 6, 0.98) 55%, rgba(2, 3, 3, 0.98) 100%);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(215, 180, 106, 0.32);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.7);
}
.da-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
    gap: var(--space-4);
}
.da-header-brand {
    display: flex;
    align-items: center;
    min-width: 0;
}
.da-header-logo {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    letter-spacing: 0.16em;
    text-transform: uppercase;
}
.da-header-logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 999px;
    background: radial-gradient(circle at 30% 0, #36a381 0%, #0f4f42 45%, #071e18 100%);
    border: 1px solid rgba(215, 180, 106, 0.7);
    box-shadow: var(--shadow-gold);
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--colour-text);
}
.da-header-logo-text {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    white-space: nowrap;
}
.da-header-logo-title {
    font-family: var(--font-display);
    font-size: 1.05rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}
.da-header-logo-subtitle {
    font-size: 0.68rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--colour-text-muted);
}
.da-header-nav {
    display: flex;
    align-items: center;
}
.da-header-nav-list {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}
.da-header-nav-link {
    position: relative;
    font-size: 0.78rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--colour-text-muted);
    padding: 0.35rem 0;
    border-radius: 999px;
}
.da-header-nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--colour-accent-gold), transparent);
    transition: width var(--transition-base);
}
.da-header-nav-link:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
    border-radius: var(--radius-pill);
}
.da-header-nav-link:hover {
    color: var(--colour-text);
}
.da-header-nav-link:hover::after {
    width: 100%}
.da-header-nav-highlight .da-header-nav-link {
    padding: 0.45rem 1.4rem;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(215, 180, 106, 0.75);
    background: radial-gradient(circle at top left, rgba(27, 77, 66, 0.95) 0%, rgba(8, 17, 14, 0.98) 55%);
    color: var(--colour-accent-gold);
}
.da-header-nav-highlight .da-header-nav-link::after {
    display: none;
}
.da-header-toggle {
    display: none;
    position: relative;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 999px;
    border: 1px solid rgba(215, 180, 106, 0.6);
    background: radial-gradient(circle at 30% 0, rgba(24, 74, 60, 0.95) 0%, rgba(3, 7, 6, 0.98) 55%);
    align-items: center;
    justify-content: center;
}
.da-header-toggle:focus-visible {
    outline: none;
    box-shadow: var(--shadow-focus);
}
.da-header-toggle-bar {
    width: 1.3rem;
    height: 1px;
    border-radius: 999px;
    background: var(--colour-text);
    transition: transform var(--transition-base), opacity var(--transition-base), background var(--transition-base);
}
.da-header-toggle-bar+.da-header-toggle-bar {
    margin-top: 0.32rem;
}
.da-header-toggle[aria-expanded="true"] .da-header-toggle-bar:first-child {
    transform: translateY(0.165rem) rotate(45deg);
}
.da-header-toggle[aria-expanded="true"] .da-header-toggle-bar:last-child {
    transform: translateY(-0.165rem) rotate(-45deg);
}
.da-header-toggle[aria-expanded="true"] .da-header-toggle-bar {
    background: var(--colour-accent-gold);
}
@media (max-width:768px) {
    .da-header-inner {
    padding-top: var(--space-2);
    padding-bottom: var(--space-2);
}
.da-header-brand, .da-header-logo, .da-header-logo-text {
    min-width: 0;
}
.da-header-logo-title {
    max-width: calc(100vw - 7rem);
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 0.9rem;
    letter-spacing: 0.12em;
}
.da-header-logo-subtitle {
    display: none;
}
.da-header-toggle {
    display: inline-flex;
    flex-shrink: 0;
    flex-direction: column;
}
.da-header-nav {
    position: absolute;
    top: 100%;
    right: var(--space-4);
    width: min(20rem, calc(100vw - 2rem));
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-0.5rem);
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
    background: radial-gradient(circle at top left, rgba(17, 65, 55, 0.98) 0%, rgba(4, 6, 5, 0.99) 55%);
    border-left: 1px solid rgba(215, 180, 106, 0.35);
    border-bottom: 1px solid rgba(215, 180, 106, 0.35);
    box-shadow: 0 26px 60px rgba(0, 0, 0, 0.88);
}
.da-header-nav-list {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-5) var(--space-4);
    gap: var(--space-3);
}
.da-header-nav-link {
    display: block;
    width: 100%;
    font-size: 0.76rem;
}
.da-header-nav-highlight .da-header-nav-link {
    align-self: stretch;
    text-align: center;
}
.da-header-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}
}@media (min-width:769px) {
    .da-header-nav {
    position: static;
    transform: none!important;
}
.da-header-nav-list {
    padding: 0;
}
.da-header-nav-link {
    padding-inline: 0;
}
}@media (prefers-reduced-motion:reduce) {
    .da-header, .da-header-toggle-bar, .da-header-nav {
    transition: none!important;
}
}