:root {
    --site-nav-primary: #2563eb;
    --site-nav-primary-hover: #1d4ed8;
    --site-nav-text: #334155;
    --site-nav-height: 4rem;
    --site-nav-height-lg: 5rem;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1030;
    transition: background-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

.site-header--solid,
.site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
}

.site-nav-container {
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .site-nav-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .site-nav-container {
        padding: 0 2rem;
    }
}

.site-nav-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--site-nav-height);
}

@media (min-width: 1024px) {
    .site-nav-inner {
        height: var(--site-nav-height-lg);
    }
}

.site-nav-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--site-nav-primary);
    text-decoration: none;
    transition: color 0.3s ease;
    max-width: calc(100% - 3.5rem);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.site-nav-brand:hover {
    color: var(--site-nav-primary-hover);
}

.site-nav-desktop {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .site-nav-desktop {
        display: flex;
    }
}

.site-nav-link {
    position: relative;
    padding: 0.5rem 1rem;
    color: var(--site-nav-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.site-nav-link::after {
    content: '';
    position: absolute;
    left: 1rem;
    right: 1rem;
    bottom: 0.25rem;
    height: 2px;
    background: var(--site-nav-primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
}

.site-nav-link:hover,
.site-nav-link.active {
    color: var(--site-nav-primary);
}

.site-nav-link:hover::after,
.site-nav-link.active::after {
    transform: scaleX(1);
}

.site-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border: none;
    border-radius: 0.5rem;
    background: transparent;
    color: var(--site-nav-text);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.site-nav-toggle:hover {
    background: rgba(15, 23, 42, 0.06);
}

@media (min-width: 768px) {
    .site-nav-toggle {
        display: none;
    }
}

.site-nav-toggle svg {
    width: 1.5rem;
    height: 1.5rem;
}

.site-nav-toggle svg.hidden {
    display: none;
}

.site-nav-mobile {
    display: none;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.site-nav-mobile.is-open {
    display: block;
}

.site-nav-mobile .site-nav-container {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.site-nav-mobile-links {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.site-nav-mobile .site-nav-link {
    display: block;
    text-align: center;
    padding: 0.75rem 1rem;
}

.site-nav-mobile .site-nav-link::after {
    left: 25%;
    right: 25%;
}

body.has-site-header {
    padding-top: var(--site-nav-height);
}

@media (min-width: 1024px) {
    body.has-site-header {
        padding-top: var(--site-nav-height-lg);
    }
}