/* ================================================================
   IIT HEADER — STRUCTURE V2
   Desktop:
   Row 1 = phone/email | Research/Funding/... | Apply Now
   Row 2 = outlined rounded card: IIT logo | main nav | round search
   ================================================================ */

:root {
    --iit-v2-red: #df3038;
    --iit-v2-red-dark: #c5252d;
    --iit-v2-text: #171717;
    --iit-v2-muted: #5d5d62;
    --iit-v2-line: #171717;
    --iit-v2-soft-line: rgba(0,0,0,.08);
    --iit-v2-bg: #ffffff;
    --iit-v2-width: 1500px;
}

#header.iit-structure-header {
    position: sticky;
    top: 0;
    z-index: 9998;
    width: 100%;
    background: rgba(255,255,255,.96);
    border: 0;
    box-shadow: 0 1px 10px rgba(0,0,0,.035);
    backdrop-filter: saturate(180%) blur(18px);
    -webkit-backdrop-filter: saturate(180%) blur(18px);
}

.admin-bar #header.iit-structure-header { top: 32px; }

#header.iit-structure-header .main-wrapper {
    width: min(calc(100% - 56px), var(--iit-v2-width));
    max-width: var(--iit-v2-width);
    margin: 0 auto;
    padding: 0;
}

/* Prevent legacy duplicate desktop header from appearing if old styles persist. */
#header.iit-structure-header .scroll-menu { display: none !important; }

/* ================================================================
   ROW 1 — UTILITY
   ================================================================ */
.iit-utility-shell {
    background: transparent;
}

.iit-utility-row {
    min-height: 62px;
    display: grid;
    grid-template-columns: minmax(260px, .85fr) minmax(500px, 1.35fr) auto;
    align-items: center;
    gap: 28px;
}

.iit-utility-contact {
    display: flex;
    align-items: center;
    gap: 28px;
    min-width: 0;
}

.iit-utility-contact a {
    color: var(--iit-v2-text) !important;
    text-decoration: none !important;
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
    opacity: .88;
    transition: color .18s ease, opacity .18s ease;
}

.iit-utility-contact a:hover {
    color: var(--iit-v2-red) !important;
    opacity: 1;
}

.iit-utility-menu {
    min-width: 0;
}

.iit-utility-menu .iit-topbar-menu-v2 {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(18px, 2vw, 34px);
    list-style: none;
    margin: 0;
    padding: 0;
}

.iit-utility-menu .iit-topbar-menu-v2 > li {
    position: relative;
    margin: 0;
    padding: 0;
}

.iit-utility-menu .iit-topbar-menu-v2 > li > a {
    min-height: 62px;
    display: flex;
    align-items: center;
    padding: 0;
    color: var(--iit-v2-text) !important;
    text-decoration: none !important;
    font-size: 12.5px;
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
    transition: color .18s ease;
}

.iit-utility-menu .iit-topbar-menu-v2 > li > a:hover,
.iit-utility-menu .iit-topbar-menu-v2 > li.current-menu-item > a,
.iit-utility-menu .iit-topbar-menu-v2 > li.current-menu-ancestor > a {
    color: var(--iit-v2-red) !important;
}

.iit-utility-action {
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.iit-apply-v2 {
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    padding: 0 17px 0 19px;
    border-radius: 999px;
    background: var(--iit-v2-red);
    color: #fff !important;
    text-decoration: none !important;
    text-transform: uppercase;
    letter-spacing: .02em;
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
    box-shadow: 0 5px 16px rgba(223,48,56,.18);
    transition: background .18s ease, transform .18s ease, box-shadow .18s ease;
}

.iit-apply-v2:hover {
    background: var(--iit-v2-red-dark);
    transform: translateY(-1px);
    box-shadow: 0 7px 20px rgba(223,48,56,.24);
}

.iit-apply-v2 svg {
    width: 13px;
    height: 13px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ================================================================
   ROW 2 — OUTLINED ROUNDED NAVIGATION CARD
   ================================================================ */
.iit-primary-shell-v2 {
    padding: 0 0 14px;
    background: transparent;
}

.iit-primary-card-v2 {
    position: relative;
    min-height: 68px;
    display: grid;
    grid-template-columns: minmax(205px, auto) minmax(620px, 1fr) auto;
    align-items: center;
    gap: 26px;
    padding: 0 20px 0 26px;
    background: rgba(255,255,255,.985);
    border: 1.5px solid rgba(20,20,20,.88);
    border-radius: 22px;
    box-shadow: 0 8px 24px rgba(0,0,0,.045);
}

.iit-brand-v2 {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.iit-logo-v2,
.iit-year-v2 {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    text-decoration: none;
}

.iit-logo-v2 img {
    display: block;
    width: auto;
    height: 42px;
    object-fit: contain;
}

.iit-year-v2 img {
    display: block;
    width: auto;
    height: 38px;
    object-fit: contain;
}

.iit-primary-nav-v2 {
    min-width: 0;
}

.iit-primary-nav-v2 .iit-primary-menu-v2 {
    min-height: 66px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(18px, 1.9vw, 31px);
    list-style: none;
    margin: 0;
    padding: 0;
}

.iit-primary-nav-v2 .iit-primary-menu-v2 > li {
    position: relative;
    margin: 0;
    padding: 0;
}

.iit-primary-nav-v2 .iit-primary-menu-v2 > li > a {
    position: relative;
    min-height: 66px;
    display: flex;
    align-items: center;
    padding: 0;
    color: var(--iit-v2-text) !important;
    text-decoration: none !important;
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    white-space: nowrap;
    transition: color .18s ease;
}

.iit-primary-nav-v2 .iit-primary-menu-v2 > li > a::before {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 10px;
    width: 0;
    height: 2px;
    border-radius: 999px;
    background: var(--iit-v2-red);
    transform: translateX(-50%);
    transition: width .18s ease;
}

.iit-primary-nav-v2 .iit-primary-menu-v2 > li > a:hover,
.iit-primary-nav-v2 .iit-primary-menu-v2 > li.current-menu-item > a,
.iit-primary-nav-v2 .iit-primary-menu-v2 > li.current-menu-ancestor > a {
    color: var(--iit-v2-red) !important;
}

.iit-primary-nav-v2 .iit-primary-menu-v2 > li > a:hover::before,
.iit-primary-nav-v2 .iit-primary-menu-v2 > li.current-menu-item > a::before,
.iit-primary-nav-v2 .iit-primary-menu-v2 > li.current-menu-ancestor > a::before {
    width: 18px;
}

/* Bootstrap / WP nav arrows */
.iit-utility-menu .dropdown-toggle::after,
.iit-primary-nav-v2 .dropdown-toggle::after {
    margin-left: 6px;
    vertical-align: middle;
    border-top-width: 3px;
    border-right-width: 3px;
    border-left-width: 3px;
}

/* Dropdowns */
.iit-utility-menu .dropdown-menu,
.iit-primary-nav-v2 .dropdown-menu {
    min-width: 220px;
    margin-top: 0 !important;
    padding: 9px;
    border: 1px solid rgba(0,0,0,.07);
    border-radius: 14px;
    background: rgba(255,255,255,.985);
    box-shadow: 0 16px 45px rgba(0,0,0,.12);
}

.iit-utility-menu .dropdown-menu a,
.iit-primary-nav-v2 .dropdown-menu a {
    display: block;
    padding: 10px 12px;
    border-radius: 9px;
    color: var(--iit-v2-text) !important;
    font-size: 12px;
    line-height: 1.3;
    text-decoration: none !important;
}

.iit-utility-menu .dropdown-menu a:hover,
.iit-primary-nav-v2 .dropdown-menu a:hover {
    background: #f5f5f7;
    color: var(--iit-v2-red) !important;
}

/* Search circle at far right of second row */
.iit-search-wrap-v2 {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.iit-search-circle-v2 {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    display: grid;
    place-items: center;
    padding: 0;
    margin: 0;
    border: 1.5px solid rgba(20,20,20,.88);
    border-radius: 50%;
    background: #fff;
    color: var(--iit-v2-text);
    cursor: pointer;
    transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}

.iit-search-circle-v2:hover,
.iit-search-circle-v2.is-open {
    background: var(--iit-v2-text);
    border-color: var(--iit-v2-text);
    color: #fff;
    transform: translateY(-1px);
}

.iit-search-circle-v2 svg {
    width: 17px;
    height: 17px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.iit-search-close-v2 { display: none; }
.iit-search-circle-v2.is-open .iit-search-icon-v2 { display: none; }
.iit-search-circle-v2.is-open .iit-search-close-v2 { display: block; }

.iit-search-panel-v2 {
    position: absolute;
    top: calc(100% + 15px);
    right: 0;
    width: min(365px, calc(100vw - 60px));
    padding: 9px;
    border: 1px solid rgba(0,0,0,.08);
    border-radius: 15px;
    background: rgba(255,255,255,.99);
    box-shadow: 0 18px 50px rgba(0,0,0,.14);
    z-index: 10002;
}

.iit-search-panel-v2[hidden] { display: none !important; }

.iit-search-panel-v2 form {
    position: relative;
    margin: 0;
}

.iit-search-panel-v2 input {
    width: 100%;
    height: 46px;
    padding: 0 50px 0 16px;
    border: 1px solid rgba(0,0,0,.12) !important;
    border-radius: 11px !important;
    background: #f6f6f7 !important;
    color: var(--iit-v2-text) !important;
    outline: none !important;
    box-shadow: none !important;
    font-size: 13px !important;
}

.iit-search-panel-v2 input:focus {
    background: #fff !important;
    border-color: rgba(223,48,56,.45) !important;
    box-shadow: 0 0 0 3px rgba(223,48,56,.10) !important;
}

.iit-search-panel-v2 form > button {
    position: absolute;
    right: 7px;
    top: 7px;
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    padding: 0;
    border: 0;
    border-radius: 9px;
    background: var(--iit-v2-red);
    color: #fff;
    cursor: pointer;
}

.iit-search-panel-v2 form > button svg {
    width: 15px;
    height: 15px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* ================================================================
   MOBILE
   ================================================================ */
.iit-mobile-header-v2 { display: none; }

@media (max-width: 1199.98px) {
    #header.iit-structure-header .main-wrapper {
        width: min(calc(100% - 36px), var(--iit-v2-width));
    }

    .iit-utility-row {
        grid-template-columns: auto 1fr auto;
        gap: 20px;
    }

    .iit-utility-contact { gap: 18px; }
    .iit-utility-menu .iit-topbar-menu-v2 { gap: 18px; }

    .iit-primary-card-v2 {
        grid-template-columns: auto minmax(560px, 1fr) auto;
        gap: 18px;
        padding-left: 20px;
    }

    .iit-logo-v2 img { height: 38px; }
    .iit-year-v2 img { height: 34px; }
    .iit-primary-nav-v2 .iit-primary-menu-v2 { gap: 18px; }
    .iit-primary-nav-v2 .iit-primary-menu-v2 > li > a { font-size: 12px; }
}

@media (max-width: 991.98px) {
    #header.iit-structure-header {
        padding: 10px 0;
    }

    .admin-bar #header.iit-structure-header { top: 46px; }
    .iit-structure-desktop { display: none !important; }
    .iit-mobile-header-v2 { display: block !important; }

    #header.iit-structure-header .main-wrapper {
        width: min(calc(100% - 24px), var(--iit-v2-width));
    }

    .iit-mobile-card-v2 {
        min-height: 60px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 15px;
        padding: 8px 10px 8px 15px;
        border: 1.3px solid rgba(20,20,20,.86);
        border-radius: 18px;
        background: #fff;
    }

    .iit-mobile-brand-v2 {
        min-width: 0;
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .iit-mobile-brand-v2 a {
        display: inline-flex;
        align-items: center;
        text-decoration: none;
    }

    .iit-mobile-brand-v2 > a:first-child img {
        display: block;
        width: auto;
        height: 36px;
        object-fit: contain;
    }

    .iit-mobile-year-v2 img {
        display: block;
        width: auto;
        height: 32px;
        object-fit: contain;
    }

    .iit-mobile-actions-v2 {
        display: flex;
        align-items: center;
        gap: 7px;
    }

    .iit-mobile-search-toggle-v2,
    .iit-mobile-menu-toggle-v2 {
        width: 40px !important;
        height: 40px !important;
        flex: 0 0 40px;
        display: grid !important;
        place-items: center;
        padding: 0 !important;
        margin: 0 !important;
        border: 1px solid rgba(20,20,20,.16) !important;
        border-radius: 50% !important;
        background: #f7f7f8 !important;
        box-shadow: none !important;
    }

    .iit-mobile-search-toggle-v2 svg {
        width: 17px;
        height: 17px;
        fill: none;
        stroke: #171717;
        stroke-width: 1.9;
        stroke-linecap: round;
        stroke-linejoin: round;
    }

    .iit-mobile-menu-toggle-v2 .hamburger {
        width: 18px;
        height: 14px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }

    .iit-mobile-menu-toggle-v2 .hamburger .line {
        width: 18px !important;
        height: 1.5px !important;
        margin: 0 !important;
        border: 0 !important;
        border-radius: 3px;
        background: #171717 !important;
    }

    .iit-mobile-search-v2 {
        display: block !important;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        margin: 0 !important;
        padding: 0 !important;
        transition: max-height .22s ease, opacity .18s ease, padding .22s ease;
    }

    .iit-mobile-search-v2.is-open {
        max-height: 88px;
        opacity: 1;
        padding-top: 10px !important;
    }

    .iit-mobile-search-inner-v2 {
        display: flex;
        gap: 8px;
    }

    .iit-mobile-search-inner-v2 input {
        min-width: 0;
        flex: 1 1 auto;
        height: 44px;
        padding: 0 14px;
        border: 1px solid rgba(0,0,0,.12) !important;
        border-radius: 12px !important;
        background: #f6f6f7 !important;
        color: #171717 !important;
        box-shadow: none !important;
        outline: none !important;
    }

    .iit-mobile-search-inner-v2 button {
        height: 44px;
        padding: 0 17px;
        border: 0;
        border-radius: 12px;
        background: var(--iit-v2-red);
        color: #fff;
        font-size: 12px;
        font-weight: 700;
    }
}

@media (max-width: 575.98px) {
    #header.iit-structure-header .main-wrapper { width: calc(100% - 18px); }
    .iit-mobile-card-v2 { padding-left: 12px; }
    .iit-mobile-brand-v2 > a:first-child img { height: 31px; }
    .iit-mobile-year-v2 img { height: 28px; }
    .iit-mobile-search-toggle-v2,
    .iit-mobile-menu-toggle-v2 {
        width: 37px !important;
        height: 37px !important;
        flex-basis: 37px;
    }
}

@media (max-width: 390px) {
    .iit-mobile-year-v2 { display: none !important; }
}

@media (max-width: 782px) {
    .admin-bar #header.iit-structure-header { top: 46px; }
}