.site-header {
    position: sticky;
    top: 0;
    z-index: 20;
    width: 100%;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(14px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
    padding: 14px max(22px, calc((100vw - var(--max)) / 2));
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.brand:hover {
    text-decoration: none;
}

.brand span {
    color: var(--text);
}

.brand-mark {
    width: 45px;
    height: 45px;
    overflow: hidden;
    flex: 0 0 45px;
}

.brand-mark img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.main-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-weight: 700;
    font-size: 14px;
    align-items: center;
}

.main-nav a {
    color: var(--text);
    padding: 6px 0;
}

.main-nav a:hover {
    text-decoration: none;
    color: var(--brand);
}

.menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 0;
    background: transparent;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 3px;
    margin: 5px auto;
    background: var(--text);
    border-radius: 999px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.menu-toggle.is-active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.is-active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.is-active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.nav-dropdown {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-dropdown-toggle {
    border: 0;
    background: transparent;
    color: var(--text);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    padding: 0;
}

.nav-dropdown-toggle::after {
    content: "▾";
    margin-left: 6px;
    font-size: 12px;
}

.nav-dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 190px;
    padding: 10px;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
    z-index: 50;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.is-open .nav-dropdown-menu {
    display: grid;
}

.nav-dropdown-menu a {
    display: block;
    padding: 10px 12px;
    color: var(--text);
    border-radius: 10px;
    white-space: nowrap;
}

.nav-dropdown-menu a:hover {
    background: var(--surface-alt);
    text-decoration: none;
}

@media (max-width: 860px) {
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        padding: 12px 18px;
        flex-direction: row;
        align-items: center;
    }

    body {
        padding-top: 72px;
    }

    .brand {
        max-width: calc(100% - 60px);
    }

    .brand span {
        font-size: 15px;
        line-height: 1.2;
    }

    .brand-mark {
        width: 42px;
        height: 42px;
        flex: 0 0 42px;
    }

    .menu-toggle {
        display: block;
        margin-left: auto;
        z-index: 1002;
    }

    .main-nav {
        display: flex;
        position: fixed;
        top: 72px;
        left: 12px;
        right: 12px;
        max-height: calc(100vh - 90px);
        overflow-y: auto;
        flex-direction: column;
        gap: 0;
        padding: 14px;
        background: #ffffff;
        border: 1px solid var(--line);
        border-radius: 20px;
        box-shadow: var(--shadow);
        transform: translateY(-12px);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: 0.22s ease;
        z-index: 1001;
    }

    .main-nav.is-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .main-nav > a,
    .nav-dropdown-toggle {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 13px 12px;
        border-radius: 12px;
        font-size: 15px;
        font-weight: 800;
    }

    .main-nav > a:hover,
    .nav-dropdown-toggle:hover {
        background: var(--surface-alt);
    }

    .nav-dropdown {
        width: 100%;
        display: block;
    }

    .nav-dropdown-menu {
        position: static;
        display: none;
        width: 100%;
        min-width: 0;
        margin: 4px 0 8px;
        padding: 8px;
        background: var(--surface-alt);
        border: 0;
        border-radius: 14px;
        box-shadow: none;
    }

    .nav-dropdown.is-open .nav-dropdown-menu {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }

    .nav-dropdown:hover .nav-dropdown-menu {
        display: none;
    }

    .nav-dropdown.is-open:hover .nav-dropdown-menu {
        display: grid;
    }

    .nav-dropdown-menu a {
        padding: 10px 12px;
        border-radius: 10px;
        background: #ffffff;
        font-size: 14px;
    }
}

@media (max-width: 560px) {
    .site-header {
        padding: 10px 14px;
    }

    .brand span {
        font-size: 14px;
    }

    .main-nav {
        left: 8px;
        right: 8px;
        top: 68px;
    }

    .nav-dropdown.is-open .nav-dropdown-menu {
        grid-template-columns: 1fr;
    }
}

/* Enhanced Teams dropdown navigation */
.main-nav {
    align-items: center;
}

.main-nav a:focus-visible,
.nav-dropdown-toggle:focus-visible,
.nav-dropdown-menu a:focus-visible {
    outline: 3px solid rgba(193, 18, 31, 0.28);
    outline-offset: 3px;
    border-radius: 10px;
}

.main-nav a.is-current,
.nav-dropdown.is-current > .nav-dropdown-toggle,
.nav-dropdown-menu a.is-current {
    color: var(--brand);
}

.nav-dropdown-menu {
    display: none;
    max-width: calc(100vw - 44px);
    box-shadow: var(--shadow, 0 18px 50px rgba(7, 17, 31, 0.12));
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.is-open .nav-dropdown-menu {
    display: block;
}

.nav-dropdown-menu--groups {
    min-width: 190px;
}

.nav-dropdown-menu--teams {
    position: fixed;
    top: 76px;
    left: 50%;
    width: min(760px, calc(100vw - 44px));
    transform: translateX(-50%);
    max-height: min(70vh, 560px);
    overflow-y: auto;
}

.nav-dropdown-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(130px, 1fr));
    gap: 4px;
}

.nav-dropdown-grid a {
    white-space: normal;
}

@media (max-width: 860px) {
    .nav-dropdown:hover .nav-dropdown-menu {
        display: none;
    }

    .nav-dropdown.is-open .nav-dropdown-menu,
    .nav-dropdown.is-open:hover .nav-dropdown-menu {
        display: block;
    }

    .nav-dropdown-menu--teams {
        position: static;
        top: auto;
        width: 100%;
        max-width: none;
        left: auto;
        transform: none;
        max-height: 46vh;
        overflow-y: auto;
    }

    .nav-dropdown-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }

    .nav-dropdown-menu--groups {
        display: none;
    }

    .nav-dropdown.is-open .nav-dropdown-menu--groups,
    .nav-dropdown.is-open:hover .nav-dropdown-menu--groups {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
}

@media (max-width: 560px) {
    .nav-dropdown-grid,
    .nav-dropdown.is-open .nav-dropdown-menu--groups,
    .nav-dropdown.is-open:hover .nav-dropdown-menu--groups {
        grid-template-columns: 1fr;
    }
}

.team-link-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin: 22px 0 0;
}

.team-link-grid a {
    display: block;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--surface-alt, #eef3f8);
    color: var(--text);
    font-weight: 800;
}

.team-link-grid a:hover {
    color: var(--brand);
    text-decoration: none;
    background: #ffffff;
}

@media (max-width: 860px) {
    .team-link-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 560px) {
    .team-link-grid {
        grid-template-columns: 1fr;
    }
}

/* Stable desktop hover area for large Teams dropdown */
@media (min-width: 861px) {
    .nav-dropdown--teams::before {
        content: "";
        display: none;
        position: fixed;
        left: 0;
        right: 0;
        top: 60px;
        height: 28px;
        z-index: 49;
        pointer-events: auto;
    }

    .nav-dropdown--teams:hover::before,
    .nav-dropdown--teams.is-open::before {
        display: block;
    }

    .nav-dropdown-menu--teams {
        z-index: 50;
    }
}



/* Host Cities dropdown navigation */
.nav-dropdown-menu--host-cities {
    position: fixed;
    top: 76px;
    left: 50%;
    width: min(560px, calc(100vw - 44px));
    transform: translateX(-50%);
    max-height: min(70vh, 520px);
    overflow-y: auto;
}

.nav-dropdown-grid--host-cities {
    grid-template-columns: repeat(2, minmax(160px, 1fr));
}

@media (max-width: 860px) {
    .nav-dropdown-menu--host-cities {
        position: static;
        top: auto;
        width: 100%;
        max-width: none;
        left: auto;
        transform: none;
        max-height: 46vh;
        overflow-y: auto;
    }

    .nav-dropdown-grid--host-cities {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
}

@media (max-width: 560px) {
    .nav-dropdown-grid--host-cities {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 861px) {
    .nav-dropdown--host-cities::before {
        content: "";
        display: none;
        position: fixed;
        left: 0;
        right: 0;
        top: 60px;
        height: 28px;
        z-index: 49;
        pointer-events: auto;
    }

    .nav-dropdown--host-cities:hover::before,
    .nav-dropdown--host-cities.is-open::before {
        display: block;
    }

    .nav-dropdown-menu--host-cities {
        z-index: 50;
    }
}


/* Stadiums dropdown navigation */
.nav-dropdown-menu--stadiums {
    position: fixed;
    top: 76px;
    left: 50%;
    width: min(640px, calc(100vw - 44px));
    transform: translateX(-50%);
    max-height: min(70vh, 520px);
    overflow-y: auto;
}

.nav-dropdown-grid--stadiums {
    grid-template-columns: repeat(2, minmax(180px, 1fr));
}

@media (max-width: 860px) {
    .nav-dropdown-menu--stadiums {
        position: static;
        top: auto;
        width: 100%;
        max-width: none;
        left: auto;
        transform: none;
        max-height: 46vh;
        overflow-y: auto;
    }

    .nav-dropdown-grid--stadiums {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
}

@media (max-width: 560px) {
    .nav-dropdown-grid--stadiums {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 861px) {
    .nav-dropdown--stadiums::before {
        content: "";
        display: none;
        position: fixed;
        left: 0;
        right: 0;
        top: 60px;
        height: 28px;
        z-index: 49;
        pointer-events: auto;
    }

    .nav-dropdown--stadiums:hover::before,
    .nav-dropdown--stadiums.is-open::before {
        display: block;
    }

    .nav-dropdown-menu--stadiums {
        z-index: 50;
    }
}