.site-header {
    color: #ffffff;
    left: 0;
    padding: clamp(1.25rem, 2.8vw, 3.375rem) clamp(1rem, 2.7vw, 3.25rem) 0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: 100;
}

.site-header__inner {
    align-items: center;
    background: #1b2668;
    border-radius: 999px;
    box-shadow: 0 1.5rem 4rem rgba(18, 20, 26, 0.26);
    display: grid;
    gap: clamp(1rem, 2vw, 2.75rem);
    grid-template-columns: auto minmax(0, 1fr) auto;
    min-height: clamp(4.25rem, 5.4vw, 6.375rem);
    margin: 0 auto;
    max-width: 1820px;
    padding: 0 clamp(1.5rem, 2.7vw, 3rem);
    width: 100%;
}

.site-header__logo {
    align-items: center;
    display: flex;
}

.site-header__logo img {
    height: clamp(2.25rem, 3.4vw, 3.875rem);
    width: auto;
}

.site-navigation {
    justify-self: center;
    min-width: 0;
}

.site-navigation__list {
    display: flex;
    gap: clamp(1rem, 2.25vw, 3rem);
    list-style: none;
    margin: 0;
    padding: 0;
    white-space: nowrap;
}

.site-navigation__link {
    color: inherit;
    display: block;
    font-size: clamp(0.9rem, 1.04vw, 1.25rem);
    font-weight: 600;
    line-height: 1;
    opacity: 0.94;
    position: relative;
}

.site-navigation__link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -0.55rem;
    width: 100%;
    height: 2px;
    background-color: rgba(255, 255, 255, 0.6);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

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

/* Actions (contact + hamburger) */

.site-header__actions {
    align-items: center;
    display: flex;
    gap: 0.75rem;
}

.site-header__contact {
    align-items: center;
    background: #ffffff;
    border-radius: 999px;
    color: #1b1b1d;
    display: inline-flex;
    font-size: clamp(0.95rem, 1.04vw, 1.25rem);
    font-weight: 500;
    gap: 1.25rem;
    justify-content: center;
    line-height: 1;
    min-height: clamp(3rem, 4vw, 3.75rem);
    padding: 0 clamp(1.25rem, 2vw, 2rem);
}

/* Hamburger button */

.site-header__menu-toggle {
    align-items: center;
    background: rgba(255, 255, 255, 0.12);
    border: 0;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    height: clamp(2.75rem, 3.8vw, 3.25rem);
    justify-content: center;
    width: clamp(2.75rem, 3.8vw, 3.25rem);
}

.site-header__menu-icon,
.site-header__menu-icon::before,
.site-header__menu-icon::after {
    background: #ffffff;
    border-radius: 2px;
    display: block;
    height: 2px;
    transition: transform 0.22s ease, opacity 0.18s ease;
    width: 1.35rem;
}

.site-header__menu-icon {
    position: relative;
}

.site-header__menu-icon::before,
.site-header__menu-icon::after {
    content: "";
    left: 0;
    position: absolute;
}

.site-header__menu-icon::before { top: -0.38rem; }
.site-header__menu-icon::after  { top:  0.38rem; }

/* Open state */

.site-header--menu-open .site-header__menu-icon { background: transparent; }
.site-header--menu-open .site-header__menu-icon::before { transform: rotate(45deg) translate(0.27rem, 0.27rem); }
.site-header--menu-open .site-header__menu-icon::after  { transform: rotate(-45deg) translate(0.27rem, -0.27rem); }

/* Mobile menu panel */

.site-mobile-menu {
    background: #1b2668;
    border-radius: 0 0 1.75rem 1.75rem;
    left: clamp(1rem, 2.7vw, 3.25rem);
    max-height: 0;
    overflow: hidden;
    position: absolute;
    right: clamp(1rem, 2.7vw, 3.25rem);
    top: 100%;
    transition: max-height 0.32s ease, padding 0.32s ease;
    z-index: 99;
}

.site-mobile-menu[aria-hidden="false"] {
    max-height: 32rem;
    padding-bottom: 1.5rem;
}

.site-mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: 0;
    list-style: none;
    margin: 0;
    padding: 1rem 1.5rem 0;
}

.site-mobile-menu__link {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    color: #ffffff;
    display: block;
    font-size: 1.1rem;
    font-weight: 600;
    padding: 1rem 0;
}

.site-mobile-menu__link--contact {
    border-bottom: 0;
    color: var(--color-secondary, #aaf4cd);
    margin-top: 0.5rem;
}

.site-mobile-menu__link:hover,
.site-mobile-menu__link:focus-visible {
    color: var(--color-secondary, #aaf4cd);
}

/* Breakpoints */

@media (max-width: 1180px) {
    .site-header__inner {
        grid-template-columns: auto auto;
        justify-content: space-between;
    }

    .site-navigation {
        display: none;
    }

    .site-header__menu-toggle {
        display: inline-flex;
    }
}

@media (max-width: 640px) {
    .site-header {
        padding: 1rem 0.875rem 0;
    }

    .site-header__inner {
        border-radius: 2rem;
        min-height: 4.25rem;
        padding: 0 1.125rem;
    }

    .site-header__contact {
        font-size: 0;
        gap: 0;
        min-height: 2.75rem;
        padding: 0;
        width: 2.75rem;
    }

    .site-header__contact span:last-child {
        font-size: 1.35rem;
    }

    .site-mobile-menu {
        left: 0.875rem;
        right: 0.875rem;
    }
}