/* =========================================================
   UNIVERSITY OF RAWALPINDI — SITE HEADER
========================================================= */

.uor-site-header {
    --uor-header-navy: #071d3c;
    --uor-header-red: #df092d;
    --uor-header-red-dark: #bd0524;
    --uor-header-text: #111827;
    --uor-header-border: #e5e9ef;
    --uor-header-height: 92px;

    position: sticky;
    top: 0;
    z-index: 4000;
    display: block;
    width: 100%;
    border-bottom: 1px solid var(--uor-header-border);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 12px rgba(7, 29, 60, 0.04);
    color: var(--uor-header-text);
    font-family: Montserrat, "Segoe UI", Arial, sans-serif;
    transition:
        box-shadow 200ms ease,
        background-color 200ms ease;
}

.uor-site-header *,
.uor-site-header *::before,
.uor-site-header *::after {
    box-sizing: border-box;
}

.uor-site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.985);
    box-shadow: 0 8px 25px rgba(7, 29, 60, 0.12);
    backdrop-filter: blur(12px);
}

/* =========================================================
   MAIN CONTAINER
========================================================= */

.uor-site-header__container {
    display: flex;
    width: 100%;
    max-width: 1320px;
    min-height: var(--uor-header-height);
    align-items: center;
    gap: 25px;
    margin-inline: auto;
    padding-inline: 30px;
}

/* =========================================================
   LOGO
========================================================= */

.uor-site-header__brand {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    text-decoration: none;
}

.uor-site-header__logo {
    display: block;
    width: 205px;
    max-width: 100%;
    height: auto;
    max-height: 58px;
    object-fit: contain;
}

.uor-site-header__brand:focus-visible {
    border-radius: 4px;
    outline: 3px solid rgba(223, 9, 45, 0.28);
    outline-offset: 5px;
}

/* =========================================================
   DESKTOP NAVIGATION
========================================================= */

.uor-site-header__navigation {
    min-width: 0;
    flex: 1;
}

.uor-site-header__menu {
    display: flex;
    min-height: var(--uor-header-height);
    align-items: stretch;
    justify-content: flex-end;
    gap: clamp(18px, 2.2vw, 37px);
    margin: 0;
    padding: 0;
    list-style: none;
}

.uor-site-header__menu-item {
    position: relative;
    display: flex;
    min-width: 0;
    align-items: stretch;
    margin: 0;
    padding: 0;
}

.uor-site-header__link {
    position: relative;
    display: inline-flex;
    min-height: var(--uor-header-height);
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 2px 1px 0;
    border: 0;
    background: transparent;
    color: var(--uor-header-text);
    cursor: pointer;
    font: inherit;
    font-size: 0.82rem;
    font-weight: 650;
    letter-spacing: -0.01em;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    transition: color 180ms ease;
}

.uor-site-header__link::after {
    position: absolute;
    right: 0;
    bottom: 19px;
    left: 0;
    height: 2px;
    border-radius: 999px;
    background: var(--uor-header-red);
    content: "";
    opacity: 0;
    transform: scaleX(0.35);
    transition:
        opacity 180ms ease,
        transform 180ms ease;
}

.uor-site-header__link:hover,
.uor-site-header__link.is-active,
.uor-site-header__menu-item.is-current > .uor-site-header__link {
    color: var(--uor-header-red);
}

.uor-site-header__link:hover::after,
.uor-site-header__link.is-active::after,
.uor-site-header__menu-item.is-current >
.uor-site-header__link::after {
    opacity: 1;
    transform: scaleX(1);
}

.uor-site-header__link:focus-visible {
    border-radius: 4px;
    outline: 3px solid rgba(223, 9, 45, 0.24);
    outline-offset: 3px;
}

.uor-site-header__dropdown-button svg {
    width: 13px;
    height: 13px;
    transition: transform 180ms ease;
}

/* =========================================================
   ADMISSIONS DROPDOWN
========================================================= */

.uor-site-header__dropdown {
    position: absolute;
    top: calc(100% - 10px);
    left: 50%;
    z-index: 20;
    width: 225px;
    margin: 0;
    padding: 8px 0;
    overflow: hidden;
    border: 1px solid #e1e6ed;
    border-top: 3px solid var(--uor-header-red);
    border-radius: 5px;
    background: #ffffff;
    box-shadow: 0 16px 35px rgba(7, 29, 60, 0.16);
    list-style: none;
    opacity: 0;
    pointer-events: none;
    transform: translate(-50%, 10px);
    visibility: hidden;
    transition:
        opacity 180ms ease,
        transform 180ms ease,
        visibility 180ms ease;
}

.uor-site-header__dropdown li {
    display: block;
    margin: 0;
    padding: 0;
}

.uor-site-header__dropdown a {
    display: block;
    padding: 11px 17px;
    color: #20354f;
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.3;
    text-decoration: none;
    transition:
        background-color 160ms ease,
        color 160ms ease,
        padding-left 160ms ease;
}

.uor-site-header__dropdown a:hover,
.uor-site-header__dropdown a:focus-visible {
    background: #f7f9fc;
    color: var(--uor-header-red);
    padding-left: 21px;
}

.uor-site-header__menu-item--dropdown.is-open
.uor-site-header__dropdown {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, 0);
    visibility: visible;
}

.uor-site-header__menu-item--dropdown.is-open
.uor-site-header__dropdown-button svg {
    transform: rotate(180deg);
}

/* =========================================================
   APPLY BUTTON
========================================================= */

.uor-site-header__apply {
    display: inline-flex;
    min-height: 43px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 11px 20px;
    border: 1px solid var(--uor-header-red);
    border-radius: 5px;
    background: var(--uor-header-red);
    box-shadow: 0 6px 15px rgba(223, 9, 45, 0.18);
    color: #ffffff;
    font-size: 0.82rem;
    font-weight: 750;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition:
        background-color 180ms ease,
        border-color 180ms ease,
        box-shadow 180ms ease,
        transform 180ms ease;
}

.uor-site-header__apply svg {
    width: 17px;
    height: 17px;
    transition: transform 180ms ease;
}

.uor-site-header__apply:hover {
    border-color: var(--uor-header-red-dark);
    background: var(--uor-header-red-dark);
    box-shadow: 0 9px 22px rgba(223, 9, 45, 0.26);
    color: #ffffff;
    transform: translateY(-2px);
}

.uor-site-header__apply:hover svg {
    transform: translateX(4px);
}

.uor-site-header__apply:focus-visible {
    outline: 3px solid rgba(223, 9, 45, 0.3);
    outline-offset: 4px;
}

.uor-site-header__mobile-apply {
    display: none;
}

/* =========================================================
   MOBILE MENU BUTTON
========================================================= */

.uor-site-header__toggle {
    display: none;
    width: 44px;
    height: 44px;
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    padding: 0;
    border: 1px solid #dce3eb;
    border-radius: 5px;
    background: #ffffff;
    color: var(--uor-header-navy);
    cursor: pointer;
}

.uor-site-header__toggle span {
    display: block;
    width: 21px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition:
        opacity 180ms ease,
        transform 180ms ease;
}

.uor-site-header__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.uor-site-header__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.uor-site-header__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.uor-site-header__toggle:focus-visible {
    outline: 3px solid rgba(223, 9, 45, 0.27);
    outline-offset: 3px;
}

/* =========================================================
   RESPONSIVE NAVIGATION
========================================================= */

@media (min-width: 1051px) {
    .uor-site-header__menu-item--dropdown:hover
    .uor-site-header__dropdown,
    .uor-site-header__menu-item--dropdown:focus-within
    .uor-site-header__dropdown {
        opacity: 1;
        pointer-events: auto;
        transform: translate(-50%, 0);
        visibility: visible;
    }

    .uor-site-header__menu-item--dropdown:hover
    .uor-site-header__dropdown-button svg,
    .uor-site-header__menu-item--dropdown:focus-within
    .uor-site-header__dropdown-button svg {
        transform: rotate(180deg);
    }
}

@media (max-width: 1180px) and (min-width: 1051px) {
    .uor-site-header__container {
        gap: 18px;
        padding-inline: 22px;
    }

    .uor-site-header__logo {
        width: 180px;
    }

    .uor-site-header__menu {
        gap: 16px;
    }

    .uor-site-header__link {
        font-size: 0.75rem;
    }

    .uor-site-header__apply {
        padding-inline: 16px;
        font-size: 0.76rem;
    }
}

@media (max-width: 1050px) {
    .uor-site-header {
        --uor-header-height: 74px;
        display: block;
    }

    .uor-site-header__container {
        position: relative;
        min-height: var(--uor-header-height);
        gap: 15px;
        padding-inline: 22px;
    }

    .uor-site-header__logo {
        width: 184px;
        max-height: 51px;
    }

    .uor-site-header__toggle {
        display: inline-flex;
        margin-left: auto;
    }

    .uor-site-header__apply--desktop {
        display: none;
    }

    .uor-site-header__navigation {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        z-index: 30;
        display: block;
        max-height: calc(100dvh - var(--uor-header-height));
        overflow-x: hidden;
        overflow-y: auto;
        border-top: 1px solid #e4e8ee;
        border-bottom: 1px solid #dce2ea;
        background: #ffffff;
        box-shadow: 0 18px 35px rgba(7, 29, 60, 0.16);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-12px);
        visibility: hidden;
        transition:
            opacity 190ms ease,
            transform 190ms ease,
            visibility 190ms ease;
    }

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

    .uor-site-header__menu {
        display: block;
        min-height: 0;
        padding: 10px 0 18px;
    }

    .uor-site-header__menu-item {
        display: block;
        border-bottom: 1px solid #eef1f5;
    }

    .uor-site-header__link {
        display: flex;
        width: 100%;
        min-height: 0;
        justify-content: flex-start;
        padding: 14px 24px;
        font-size: 0.88rem;
        text-align: left;
    }

    .uor-site-header__link::after {
        top: 11px;
        right: auto;
        bottom: 11px;
        left: 0;
        width: 3px;
        height: auto;
        transform: scaleY(0.35);
    }

    .uor-site-header__link:hover::after,
    .uor-site-header__link.is-active::after,
    .uor-site-header__menu-item.is-current >
    .uor-site-header__link::after {
        transform: scaleY(1);
    }

    .uor-site-header__dropdown-button {
        justify-content: space-between;
    }

    .uor-site-header__dropdown-button svg {
        width: 15px;
        height: 15px;
    }

    .uor-site-header__dropdown {
        position: static;
        width: 100%;
        max-height: 0;
        margin: 0;
        padding: 0;
        overflow: hidden;
        border: 0;
        border-radius: 0;
        background: #f7f9fc;
        box-shadow: none;
        opacity: 1;
        pointer-events: none;
        transform: none;
        visibility: visible;
        transition:
            max-height 220ms ease,
            padding 220ms ease;
    }

    .uor-site-header__menu-item--dropdown.is-open
    .uor-site-header__dropdown {
        max-height: 260px;
        padding: 6px 0;
        pointer-events: auto;
        transform: none;
    }

    .uor-site-header__dropdown a {
        padding: 11px 24px 11px 43px;
        font-size: 0.82rem;
    }

    .uor-site-header__dropdown a:hover,
    .uor-site-header__dropdown a:focus-visible {
        padding-left: 47px;
    }

    .uor-site-header__mobile-apply {
        display: block;
        padding: 17px 22px 2px;
        border-bottom: 0;
    }

    .uor-site-header__apply--mobile {
        width: 100%;
        min-height: 45px;
    }
}

@media (max-width: 480px) {
    .uor-site-header {
        --uor-header-height: 68px;
    }

    .uor-site-header__container {
        padding-inline: 16px;
    }

    .uor-site-header__logo {
        width: 164px;
        max-height: 46px;
    }

    .uor-site-header__toggle {
        width: 41px;
        height: 41px;
    }

    .uor-site-header__link {
        padding-inline: 19px;
    }

    .uor-site-header__dropdown a {
        padding-left: 37px;
    }

    .uor-site-header__dropdown a:hover,
    .uor-site-header__dropdown a:focus-visible {
        padding-left: 41px;
    }
}

body.uor-site-navigation-open {
    overflow: hidden;
}

@media (prefers-reduced-motion: reduce) {
    .uor-site-header *,
    .uor-site-header *::before,
    .uor-site-header *::after {
        scroll-behavior: auto !important;
        transition: none !important;
    }
}