/* Site header. Transparent while the hero is under it, then backed and ruled once the page scrolls, via the is-pinned class.
   Below the --header-drawer breakpoint the nav becomes a full-height panel driven by the is-open class. */

.skip-link {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    z-index: calc(var(--z-modal) + 1);
    padding: var(--space-3) var(--space-4);
    background: var(--accent);
    color: var(--on-accent);
    font-size: var(--text-sm);
    font-weight: var(--fw-semibold);
    text-decoration: none;
    transform: translateY(-200%);
    transition: transform var(--dur-fast) var(--ease-out);
}

.skip-link:focus-visible {
    transform: translateY(0);
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: var(--z-sticky);
    background: rgba(11, 10, 8, 0.82);
    border-bottom: 1px solid transparent;
    backdrop-filter: blur(16px);
    transition:
        background var(--dur-base) var(--ease-out),
        border-color var(--dur-base) var(--ease-out),
        backdrop-filter var(--dur-base) var(--ease-out);
}

.site-header.is-pinned {
    background: rgba(11, 10, 8, 0.82);
    border-bottom-color: rgba(217, 177, 98, 0.22);
    backdrop-filter: blur(16px);
}

.site-header--transparent:not(.is-pinned) {
    background: transparent;
    backdrop-filter: none;
}

.site-header__inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
    min-height: var(--header-h);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    color: var(--fg);
    text-decoration: none;
    flex-shrink: 0;
}

.brand__logo {
    width: auto;
    height: clamp(3rem, 5.5vw, 4.5rem);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.site-nav__list {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: var(--space-2);
    background: rgba(11, 10, 8, 0.3);
    border: 1px solid rgba(244, 241, 234, 0.16);
    border-radius: var(--radius-pill);
    backdrop-filter: blur(24px);
}

.site-nav__link {
    display: block;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-pill);
    font-size: var(--text-sm);
    font-weight: var(--fw-medium);
    color: var(--fg);
    text-decoration: none;
    white-space: nowrap;
    transition:
        color var(--dur-fast) var(--ease-out),
        background var(--dur-fast) var(--ease-out);
}

.site-nav__link:hover {
    color: var(--fg);
    background: rgba(244, 241, 234, 0.12);
}

.site-nav__link[aria-current="page"] {
    color: var(--accent);
    background: rgba(244, 241, 234, 0.18);
}

.site-header__toggle {
    display: none;
    place-items: center;
    width: var(--tap-min);
    height: var(--tap-min);
    background: transparent;
    border: 1px solid rgba(217, 177, 98, 0.4);
    border-radius: var(--radius-pill);
}

.site-header__bars,
.site-header__bars::before,
.site-header__bars::after {
    display: block;
    width: 18px;
    height: 1.5px;
    background: var(--accent);
    transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}

.site-header__bars::before,
.site-header__bars::after {
    content: "";
    position: absolute;
}

.site-header__bars::before {
    transform: translateY(-6px);
}

.site-header__bars::after {
    transform: translateY(6px);
}

[aria-expanded="true"] .site-header__bars {
    background: transparent;
}

[aria-expanded="true"] .site-header__bars::before {
    transform: rotate(45deg);
}

[aria-expanded="true"] .site-header__bars::after {
    transform: rotate(-45deg);
}

@media (max-width: 1300px) {
    .site-header.is-open {
        background: var(--bg);
    }

    .site-header__toggle {
        display: grid;
        position: relative;
        z-index: 1;
    }

    .site-nav {
        position: fixed;
        inset: var(--header-h) 0 0;
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: var(--space-6);
        padding: var(--space-7) var(--gutter) var(--space-8);
        background: var(--bg);
        overflow-y: auto;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-1rem);
        transition:
            opacity var(--dur-base) var(--ease-out),
            transform var(--dur-base) var(--ease-out),
            visibility var(--dur-base);
    }

    .site-header.is-open .site-nav {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .site-nav__list {
        position: static;
        transform: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        background: transparent;
        border: 0;
        border-radius: 0;
        backdrop-filter: none;
    }

    .site-nav__list li + li {
        border-top: 1px solid var(--line);
    }

    .site-nav__link {
        padding: var(--space-4) 0;
        border-radius: 0;
        font-family: var(--font-display);
        font-size: var(--text-xl);
    }

    .site-nav__link[aria-current="page"] {
        background: transparent;
    }

    .site-nav__cta {
        align-self: flex-start;
    }
}

@media (max-width: 560px) {
    .brand__logo {
        height: 2.5rem;
    }

    .site-nav__cta {
        align-self: stretch;
    }
}

body.has-open-nav {
    overflow: hidden;
}