.container {
    width: min(100% - (var(--container-gutter) * 2), var(--container-max-width));
    margin-inline: auto;
}

.site-header {
    position: relative;
    z-index: 20;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface);
}

.site-header--overlay {
    position: absolute;
    inset: 0 0 auto;
    border-bottom-color: rgb(255 255 255 / 0.16);
    background: transparent;
    color: var(--color-on-dark);
}

.site-header__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-3) var(--space-4);
    min-height: var(--header-height);
    padding-block: var(--space-3);
}

.brand {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    color: inherit;
    text-decoration: none;
}

.brand__placeholder {
    display: block;
    width: 8.5rem;
    height: 2.4rem;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, #aeb8bf 0%, #d3d8db 48%, #a0abb2 100%);
    transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.brand__image {
    display: block;
    width: auto;
    max-width: 11rem;
    height: 2.4rem;
    object-fit: contain;
    object-position: left center;
    transition: filter var(--transition-fast), transform var(--transition-fast);
}

.brand:hover .brand__image,
.brand:focus-visible .brand__image {
    transform: translateY(-0.1rem);
}

.brand:hover .brand__placeholder,
.brand:focus-visible .brand__placeholder {
    box-shadow: 0 0.5rem 1rem rgb(23 35 51 / 0.14);
    transform: translateY(-0.1rem);
}

.site-header__menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: auto;
    border: 1px solid currentColor;
    border-radius: var(--radius-sm);
    background: transparent;
    color: inherit;
    padding: 0.55rem 0.75rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.site-header__menu-icon {
    display: block;
    width: 1.1rem;
    height: 1.1rem;
    background: none;
    transition: transform var(--transition-fast);
}

@media (hover: hover) and (pointer: fine) {
    .site-header__menu-toggle:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
        transform: translateY(-0.1rem);
    }

    .site-header__menu-toggle:hover .site-header__menu-icon {
        transform: scaleX(1.12);
    }
}

.site-header__menu-toggle:active {
    transform: translateY(0) scale(0.985);
}

.site-navigation {
    order: 3;
    flex-basis: 100%;
}

.site-navigation__list {
    display: flex;
    flex-direction: column;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-navigation__link,
.site-navigation__summary {
    display: flex;
    align-items: center;
    min-height: 2.75rem;
    border: 0;
    background: transparent;
    color: inherit;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-decoration: none;
    text-transform: uppercase;
    transition: color var(--transition-fast);
}

.site-navigation__link {
    position: relative;
}

.site-navigation__link::after {
    position: absolute;
    right: 0;
    bottom: 0.15rem;
    left: 0;
    height: 1px;
    background: var(--color-accent);
    content: "";
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-fast);
}

.site-navigation__link:hover,
.site-navigation__link:focus-visible,
.site-navigation__summary:hover,
.site-navigation__summary:focus-visible {
    color: var(--color-accent);
}

.site-navigation__link--active {
    color: var(--color-accent);
}

.site-navigation__link:hover::after,
.site-navigation__link:focus-visible::after,
.site-navigation__link--active::after {
    transform: scaleX(1);
}

.site-navigation__item--dropdown {
    position: relative;
}

.site-navigation__summary {
    position: relative;
    cursor: pointer;
    list-style: none;
}

.site-navigation__summary--active {
    color: var(--color-accent);
}

.site-navigation__summary--active::before {
    position: absolute;
    right: 0;
    bottom: 0.15rem;
    left: 0;
    height: 1px;
    background: var(--color-accent);
    content: "";
}

.site-navigation__summary::-webkit-details-marker {
    display: none;
}

.site-navigation__summary::after {
    width: 0.4rem;
    height: 0.4rem;
    margin-left: var(--space-2);
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(45deg) translateY(-0.15rem);
    content: "";
    transition: transform var(--transition-fast);
}

.site-navigation__item--dropdown details[open] .site-navigation__summary {
    color: var(--color-accent);
}

.site-navigation__item--dropdown details[open] .site-navigation__summary::after {
    transform: rotate(225deg) translateY(-0.15rem);
}

.site-navigation__dropdown {
    margin: 0;
    padding: 0 0 var(--space-3) var(--space-4);
    list-style: none;
}

.site-navigation__dropdown a {
    display: block;
    padding-block: var(--space-1);
    font-size: 0.75rem;
    font-weight: 700;
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.site-navigation__dropdown a:hover,
.site-navigation__dropdown a:focus-visible {
    color: var(--color-accent);
    transform: translateX(0.2rem);
}

.site-header__cta {
    display: inline-flex;
    flex: 0 0 auto;
    margin-left: auto;
}

.breadcrumbs {
    padding-block: var(--space-4);
    color: var(--color-muted);
    font-size: 0.8rem;
}

.breadcrumbs a {
    color: var(--color-text);
}

.site-footer {
    background: var(--color-navy-900);
    color: rgb(248 250 251 / 0.78);
    padding-block: var(--space-8) var(--space-5);
}

.site-footer__grid {
    display: grid;
    gap: var(--space-7);
}

.site-footer__brand {
    display: grid;
    align-content: start;
    gap: var(--space-3);
}

.site-footer .brand__placeholder {
    width: 11rem;
    height: 3.1rem;
}

.site-footer .brand__image {
    max-width: 11rem;
    height: 3.1rem;
}

.site-footer__brand p {
    max-width: 13rem;
    margin-bottom: 0;
    color: rgb(248 250 251 / 0.58);
    font-size: 0.72rem;
    line-height: 1.4;
}

.site-footer__navigation {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-6);
}

.site-footer__links {
    display: grid;
    align-content: start;
    gap: var(--space-1);
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-footer__links a {
    display: inline-flex;
    color: inherit;
    font-size: 0.75rem;
    line-height: 1.4;
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
}

.site-footer__links a:hover,
.site-footer__links a:focus-visible {
    color: var(--color-surface);
    transform: translateX(0.2rem);
}

.site-footer__social {
    display: flex;
    align-items: start;
    gap: var(--space-3);
}

.site-footer__social-link {
    display: grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border: 1px solid rgb(255 255 255 / 0.18);
    border-radius: 50%;
    color: var(--color-surface);
    text-decoration: none;
    transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
}

.site-footer__social-link:hover,
.site-footer__social-link:focus-visible {
    border-color: rgb(255 255 255 / 0.62);
    background: rgb(255 255 255 / 0.1);
    transform: translateY(-0.15rem);
}

.site-footer__social-link--placeholder {
    opacity: 0.72;
}

.site-footer__social-icon,
.site-footer__contact-icon {
    display: block;
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background: linear-gradient(135deg, #aeb8bf 0%, #d3d8db 48%, #8f9ba4 100%);
}

.site-footer__contact {
    display: grid;
    align-content: start;
    gap: var(--space-3);
    margin: 0;
    font-size: 0.72rem;
    font-style: normal;
    line-height: 1.4;
}

.site-footer__contact-item {
    display: grid;
    grid-template-columns: 1rem minmax(0, 1fr);
    align-items: start;
    gap: var(--space-2);
}

.site-footer__contact-icon {
    width: 0.8rem;
    height: 0.8rem;
    margin-top: 0.2rem;
}

.site-footer__contact a {
    overflow-wrap: anywhere;
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-footer__contact a:hover,
.site-footer__contact a:focus-visible {
    color: var(--color-surface);
}

.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-3);
    margin-top: var(--space-7);
    padding-top: var(--space-4);
    border-top: 1px solid rgb(255 255 255 / 0.14);
    font-size: 0.75rem;
}

.site-footer__bottom nav {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
}

.site-footer__bottom a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-footer__bottom a:hover,
.site-footer__bottom a:focus-visible {
    color: var(--color-surface);
}

@media (min-width: 48rem) {
    .site-header__inner {
        flex-wrap: nowrap;
        gap: var(--space-5);
    }

    .site-header__menu-toggle {
        display: none;
    }

    .site-navigation {
        order: initial;
        flex-basis: auto;
        flex-grow: 1;
    }

    .site-navigation__list {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: clamp(0.75rem, 2vw, 2rem);
    }

    .site-navigation__link,
    .site-navigation__summary {
        min-height: 2rem;
        font-size: 0.65rem;
    }

    .site-navigation__dropdown {
        position: absolute;
        z-index: 5;
        top: calc(100% + 0.5rem);
        left: 50%;
        width: 15rem;
        padding: var(--space-3);
        transform: translateX(-50%);
        border: 1px solid var(--color-border);
        background: var(--color-surface);
        color: var(--color-text);
        box-shadow: var(--shadow-soft);
    }

    .site-footer__grid {
        grid-template-columns: 1.45fr 1.65fr 0.75fr 1.25fr;
    }
}

@media (prefers-reduced-motion: reduce) {
    .brand__placeholder,
    .site-header__menu-toggle,
    .site-header__menu-icon,
    .site-navigation__link::after,
    .site-navigation__summary::after,
    .site-navigation__dropdown a,
    .site-footer__links a,
    .site-footer__social-link,
    .site-footer__contact a,
    .site-footer__bottom a {
        transition: none;
    }

    .brand:hover .brand__placeholder,
    .brand:focus-visible .brand__placeholder,
    .site-header__menu-toggle:hover,
    .site-header__menu-toggle:active,
    .site-navigation__dropdown a:hover,
    .site-navigation__dropdown a:focus-visible,
    .site-footer__links a:hover,
    .site-footer__links a:focus-visible {
        transform: none;
    }

    .site-footer__social-link:hover,
    .site-footer__social-link:focus-visible {
        transform: none;
    }
}