/* Header and main navigation */
.site-navigation-bar {
    position: sticky;
    z-index: 100;
    top: 0;
    border-bottom: 1px solid rgb(222 219 210 / 78%);
    background: rgb(255 253 248 / 92%);
    box-shadow: 0 8px 24px rgb(24 37 34 / 4%);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.landing-page .site-navigation-bar {
    position: static;
}

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

.site-brand {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: var(--space-1);
    color: var(--color-primary);
}

.site-brand:hover .site-brand-mark {
    transform: rotate(12deg);
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.site-brand-logo {
    display: block;
    width: auto;
    max-width: min(22rem, 38vw);
    height: 4.4rem;
    object-fit: contain;
}

.site-brand:hover .site-brand-logo {
    transform: none;
}

.site-brand-mark {
    display: grid;
    width: 4.4rem;
    height: 4.4rem;
    place-items: center;
    flex: 0 0 4.4rem;
    border: 1px solid currentColor;
    border-radius: 50%;
    font-size: 2rem;
    transition: transform 180ms ease, color 180ms ease, border-color 180ms ease;
}

.site-brand-mark svg {
    width: 2.8rem;
    height: 2.8rem;
    overflow: visible;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.5;
}

.site-brand-mark svg path:first-of-type {
    fill: currentColor;
    stroke: none;
}

.site-brand-name {
    font-family: var(--font-display);
    font-size: clamp(2rem, 2.2vw, 2.8rem);
    font-weight: 600;
    letter-spacing: -0.035em;
    line-height: 1;
}

.site-navigation-actions {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: var(--space-4);
    font-family: "Montserrat", sans-serif;
}

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

.primary-navigation-list {
    display: flex;
    align-items: center;
    gap: clamp(var(--space-4), 2.2vw, var(--space-6));
    margin: 0;
    padding: 0;
    list-style: none;
    font-family: "montserrat", sans-serif;
}

.primary-navigation-list a {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    padding-block: 1rem;
    color: var(--color-ink);
    font-size: var(--text-sm);
    font-weight: 600;
    white-space: nowrap;
}

.primary-navigation-icon {
    width: 1.8rem;
    height: 1.8rem;
    flex: 0 0 1.8rem;
    object-fit: contain;
}

.primary-navigation-list a::after {
    position: absolute;
    right: 0;
    bottom: 0.4rem;
    left: 0;
    height: 2px;
    transform: scaleX(0);
    transform-origin: right;
    background: var(--color-accent);
    content: '';
    transition: transform 180ms ease;
}

.primary-navigation-list a:hover,
.primary-navigation-list a[aria-current='page'] {
    color: var(--color-accent-dark);
}

.primary-navigation-list a:hover::after,
.primary-navigation-list a[aria-current='page']::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header-search {
    position: relative;
    flex: 0 0 auto;
}

.header-search summary {
    display: grid;
    width: 4rem;
    height: 4rem;
    place-items: center;
    cursor: pointer;
    border: 1px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-primary);
    list-style: none;
    transition: color 180ms ease, background 180ms ease, border-color 180ms ease;
}

.header-search summary::-webkit-details-marker {
    display: none;
}

.header-search summary:hover,
.header-search[open] summary {
    border-color: var(--color-primary);
    background: var(--color-primary);
    color: var(--color-white);
}

.header-search summary svg {
    width: 2rem;
    height: 2rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-width: 1.8;
}

.header-search-panel {
    position: absolute;
    z-index: 30;
    top: calc(100% + var(--space-3));
    right: 0;
    width: min(34rem, calc(100vw - 4rem));
    padding: var(--space-3);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.header-search-form {
    display: flex;
    gap: var(--space-2);
}

.header-search-form input {
    width: 100%;
    min-width: 0;
    padding: 1.2rem 1.4rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-paper);
    color: var(--color-ink);
    outline: 0;
}

.header-search-form input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgb(18 61 58 / 12%);
}

.header-search-form button {
    display: grid;
    width: 4.8rem;
    flex: 0 0 4.8rem;
    cursor: pointer;
    place-items: center;
    border: 0;
    border-radius: var(--radius-sm);
    background: var(--color-accent);
    color: var(--color-white);
}

@media (max-width: 1000px) {
    .site-navigation-shell {
        flex-wrap: wrap;
        gap: var(--space-3);
        padding-block: var(--space-4);
    }

    .site-navigation-actions {
        width: 100%;
        order: 2;
    }

    .primary-navigation {
        flex: 1;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .primary-navigation::-webkit-scrollbar {
        display: none;
    }

    .primary-navigation-list {
        width: max-content;
    }
}

@media (max-width: 560px) {
    .site-brand-mark {
        width: 4rem;
        height: 4rem;
        flex-basis: 4rem;
    }

    .site-brand-logo {
        max-width: 18rem;
        height: 4rem;
    }

    .site-navigation-actions {
        display: block;
    }

    .primary-navigation {
        overflow: visible;
    }

    .primary-navigation-list {
        width: 100%;
        flex-wrap: wrap;
        gap: var(--space-2) var(--space-5);
    }

    .header-search {
        position: absolute;
        top: var(--space-4);
        right: 1.6rem;
    }

    .header-search-panel {
        position: fixed;
        top: 11rem;
        right: 1.6rem;
        left: 1.6rem;
        width: auto;
    }
}