/*
 * The Transport Institute - Header Layout Fix
 * Targeted presentation-only fix.
 * Keeps the existing header HTML and forces a stable two-row layout.
 */

.site-header {
    background: rgba(255,255,255,.98) !important;
    box-shadow: 0 2px 12px rgba(13,59,102,.08) !important;
    position: relative;
    z-index: 1000;
}

.site-header .nav-container {
    position: relative !important;
    display: block !important;
    width: min(92%, 1240px) !important;
    margin: 0 auto !important;
    padding: .72rem 0 .65rem !important;
}

/* ---------------- Top row: logo + site name ---------------- */
.site-header .logo-link {
    display: block !important;
    width: max-content !important;
    max-width: calc(100% - 70px) !important;
    text-decoration: none !important;
}

.site-header .logo {
    display: flex !important;
    align-items: center !important;
    gap: .9rem !important;
    min-height: 58px !important;
}

.site-header .logo-img {
    width: auto !important;
    height: 55px !important;
    max-width: 80px !important;
    object-fit: contain !important;
    flex: 0 0 auto !important;
}

.site-header .logo-text {
    display: block !important;
    color: #12304a !important;
    font-size: 1.52rem !important;
    line-height: 1.15 !important;
    font-weight: 750 !important;
    letter-spacing: -.35px !important;
    white-space: nowrap !important;
}

/* Desktop hamburger is hidden; it appears only on mobile. */
.site-header .nav-toggle {
    display: none !important;
    position: absolute !important;
    right: 0 !important;
    top: .9rem !important;
    z-index: 5 !important;
    border: 1px solid #dce5ee !important;
    background: #fff !important;
    color: #12304a !important;
    cursor: pointer !important;
    font-size: 1.35rem !important;
    line-height: 1 !important;
}

/* ---------------- Second row: complete navigation ---------------- */
.site-header .main-nav {
    display: flex !important;
    width: 100% !important;
    margin-top: .55rem !important;
    padding-top: .55rem !important;
    border-top: 1px solid #e2e9f0 !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 1rem !important;
}

.site-header .main-nav > ul {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    flex-wrap: wrap !important;
    gap: .25rem .55rem !important;
    margin: 0 !important;
    padding: 0 !important;
    list-style: none !important;
    min-width: 0 !important;
}

.site-header .main-nav > ul > li {
    margin: 0 !important;
    padding: 0 !important;
}

.site-header .main-nav > ul > li > a {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-height: 38px !important;
    padding: .4rem .65rem !important;
    border-radius: 7px !important;
    color: #243447 !important;
    font-size: .96rem !important;
    font-weight: 600 !important;
    line-height: 1.2 !important;
    text-decoration: none !important;
    white-space: nowrap !important;
    transition: background-color .18s ease, color .18s ease !important;
}

.site-header .main-nav > ul > li > a:hover,
.site-header .main-nav > ul > li > a:focus-visible {
    background: #eaf5ff !important;
    color: #1769aa !important;
    outline: none !important;
}

.site-header .auth-buttons {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-end !important;
    gap: .55rem !important;
    flex: 0 0 auto !important;
    margin-left: auto !important;
}

/* Keep Login/Register compact enough that the navigation doesn't collapse. */
.site-header .auth-buttons .btn {
    white-space: nowrap !important;
}

/* Medium screens: allow the menu to wrap naturally without touching the logo. */
@media (max-width: 1050px) and (min-width: 769px) {
    .site-header .main-nav {
        align-items: flex-start !important;
    }

    .site-header .main-nav > ul {
        flex: 1 1 auto !important;
    }

    .site-header .auth-buttons {
        margin-left: .5rem !important;
    }

    .site-header .main-nav > ul > li > a {
        font-size: .9rem !important;
        padding-left: .5rem !important;
        padding-right: .5rem !important;
    }
}

/* ---------------- Mobile: logo row + hamburger, then menu ---------------- */
@media (max-width: 768px) {
    .site-header .nav-container {
        width: min(94%, 1240px) !important;
        padding: .65rem 0 !important;
    }

    .site-header .logo-link {
        max-width: calc(100% - 58px) !important;
    }

    .site-header .logo {
        gap: .65rem !important;
        min-height: 48px !important;
    }

    .site-header .logo-img {
        height: 45px !important;
        max-width: 64px !important;
    }

    .site-header .logo-text {
        font-size: 1.25rem !important;
        white-space: normal !important;
    }

    .site-header .nav-toggle {
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 42px !important;
        height: 42px !important;
        border-radius: 8px !important;
    }

    .site-header .main-nav {
        display: none !important;
        flex-direction: column !important;
        align-items: stretch !important;
        justify-content: flex-start !important;
        gap: .7rem !important;
        margin-top: .65rem !important;
        padding: .8rem !important;
        border: 1px solid #dce5ee !important;
        border-radius: 12px !important;
        background: #fff !important;
        box-shadow: 0 10px 28px rgba(13,59,102,.10) !important;
    }

    .site-header .main-nav.active {
        display: flex !important;
    }

    .site-header .main-nav > ul {
        width: 100% !important;
        flex-direction: column !important;
        align-items: stretch !important;
        gap: .15rem !important;
    }

    .site-header .main-nav > ul > li > a {
        width: 100% !important;
        justify-content: center !important;
        min-height: 42px !important;
    }

    .site-header .auth-buttons {
        width: 100% !important;
        margin-left: 0 !important;
        padding-top: .65rem !important;
        border-top: 1px solid #dce5ee !important;
    }

    .site-header .auth-buttons .btn {
        flex: 1 1 0 !important;
    }
}

@media (max-width: 430px) {
    .site-header .logo-text {
        font-size: 1.12rem !important;
    }

    .site-header .logo-img {
        height: 41px !important;
    }
}