/* ============================================
   WHO'S WHO DIRECTORY
   BLUE THEME
============================================ */

:root {
    --directory-primary: #162F61;
    --directory-secondary: #D2DFFF;
    --directory-text: #171717;
    --directory-white: #FFFFFF;
    --directory-border: #D8E1F5;
    --directory-background: #F5F7FC;
}

/* ============================================
   PAGE BANNER
============================================ */

.directory-banner {
    position: relative;
    padding: 35px 0 65px;
    background: linear-gradient(
        115deg,
        #162F61,
        #31548B,
        #5279B8
    );
    color: var(--directory-white);
}

.directory-banner::after {
    content: "";
    position: absolute;
    right: -5%;
    bottom: -45px;
    left: -5%;
    height: 100px;
    background: rgba(210, 223, 255, 0.15);
    border-radius: 50% 50% 0 0;
    transform: rotate(-2deg);
    pointer-events: none;
}

.directory-banner .container {
    position: relative;
    z-index: 1;
}

.directory-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
    font-size: 20px;
}

.directory-breadcrumb a {
    color: var(--directory-white);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.directory-breadcrumb span {
    color: var(--directory-white);
}

.directory-banner h1 {
    margin: 0;
    font-size: 44px;
    font-weight: 700;
    line-height: 1.2;
}

/* ============================================
   DEPARTMENT NAVIGATION
============================================ */

.directory-navigation-container {
    position: relative;
    z-index: 5;
    margin-top: -50px;
    margin-bottom: 0;
}

.directory-navigation {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 5px;
    min-height: 84px;
    padding: 15px 30px;
    background: var(--directory-primary);
    border-radius: 16px;
}

/* Navigation links */

.directory-nav-link {
    display: inline-flex;
    align-items: center;
    min-height: 45px;
    padding: 10px 12px;
    color: var(--directory-white);
    background: transparent;
    font-size: 22px;
    font-weight: 500;
    text-decoration: none;
    white-space: nowrap;
    border-radius: 5px;
}

/* No hover effect */

.directory-nav-link:hover,
.directory-nav-link.active:hover {
    color: var(--directory-white);
    background: transparent;
    text-decoration: none;
}

/* Active link */

.directory-nav-link.active {
    color: var(--directory-white);
    background: transparent;
    font-weight: 700;
}

/* Moving menu indicator */

.directory-menu-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    margin: 0 3px;
    color: var(--directory-secondary);
    font-size: 30px;
    line-height: 1;
    pointer-events: none;
}

/* ============================================
   DIRECTORY CONTENT
============================================ */

.directory-container {
    margin-top: 0;
    padding-top: 15px;
    margin-bottom: 60px;
}

.directory-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 15px;
    margin-bottom: 32px;
}

/* Search field */

.directory-search-box {
    display: flex;
    align-items: center;
    gap: 15px;
    width: 475px;
    max-width: 100%;
    height: 56px;
    padding: 0 15px;
    border: 2px solid var(--directory-primary);
    background: var(--directory-white);
}

.directory-search-box i {
    color: var(--directory-primary);
    font-size: 22px;
}

.directory-search-box input {
    width: 100%;
    height: 100%;
    padding: 0;
    border: none;
    outline: none;
    color: var(--directory-text);
    background: transparent;
    font: inherit;
    font-size: 20px;
}

.directory-search-box input::placeholder {
    color: #514747;
    opacity: 1;
}

/* Clear button */

.directory-clear-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 10px 17px;
    border: 1px solid var(--directory-primary);
    border-radius: 8px;
    color: var(--directory-primary);
    background: var(--directory-white);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
}

.directory-clear-button:hover {
    color: var(--directory-primary);
    background: var(--directory-white);
}

/* ============================================
   A-Z ALPHABET FILTER
============================================ */

.directory-alphabet {
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    flex-wrap: wrap;
    gap: 4px;
    min-height: 58px;
    margin-bottom: 38px;
    padding: 7px 12px;
    background: #EEEEF2;
    border-radius: 5px;
}

.alphabet-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 40px;
    width: 40px;
    height: 44px;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 8px;
    color: var(--directory-primary);
    background: transparent;
    font-size: 19px;
    cursor: pointer;
}

/* No hover effect */

.alphabet-button:hover {
    color: var(--directory-primary);
    background: transparent;
}

/* Selected letter */

.alphabet-button.active {
    border-color: var(--directory-primary);
    outline: 2px solid var(--directory-secondary);
    outline-offset: 1px;
    color: var(--directory-white);
    background: var(--directory-primary);
    font-weight: 700;
}

/* ============================================
   DIRECTORY ENTRIES
============================================ */

.directory-list {
    width: 100%;
}

.directory-entry {
    display: grid;
    grid-template-columns:
        minmax(0, 1.5fr)
        minmax(0, 1.15fr)
        minmax(0, 0.9fr);
    align-items: start;
    gap: 24px;
    padding: 25px 24px;
    border-bottom: 1px solid var(--directory-border);
}

/* Person details */

.directory-person {
    min-width: 0;
}

.directory-designation {
    display: block;
    margin-bottom: 4px;
    color: var(--directory-primary);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
}

.directory-person h2 {
    margin: 0 0 10px;
    color: var(--directory-text);
    font-size: 22px;
    font-weight: 400;
    line-height: 1.4;
}

/* Description label */

.directory-description {
    display: inline-block;
    max-width: 100%;
    padding: 6px 15px;
    border-radius: 16px;
    color: var(--directory-primary);
    background: var(--directory-secondary);
    font-size: 16px;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

/* ============================================
   CONTACT DETAILS
============================================ */

.directory-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
    padding-top: 2px;
}

.directory-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    color: var(--directory-text);
    font-size: 19px;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.directory-contact-item i {
    flex: 0 0 25px;
    width: 25px;
    padding-top: 3px;
    color: var(--directory-primary);
    font-size: 23px;
    text-align: center;
}

/* Location */

.directory-location {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    min-width: 0;
    color: var(--directory-text);
    font-size: 19px;
    line-height: 1.5;
    overflow-wrap: anywhere;
}

.directory-location i {
    flex: 0 0 25px;
    width: 25px;
    padding-top: 3px;
    color: var(--directory-primary);
    font-size: 24px;
    text-align: center;
}

/* No results */

.directory-no-results {
    padding: 35px 15px;
    color: var(--directory-primary);
    font-size: 18px;
    text-align: center;
}

.directory-no-results[hidden] {
    display: none;
}

/* ============================================
   BACK TO TOP
============================================ */

.directory-back-to-top {
    position: fixed;
    right: 15px;
    bottom: 15px;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    color: var(--directory-white);
    background: var(--directory-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

.directory-back-to-top:hover {
    color: var(--directory-white);
    background: var(--directory-primary);
}

/* ============================================
   RESPONSIVE: TABLET
============================================ */

@media (max-width: 1100px) {

    .directory-nav-link {
        font-size: 17px;
    }

    .directory-entry {
        grid-template-columns:
            minmax(0, 1.3fr)
            minmax(0, 1fr);
    }

    .directory-location {
        grid-column: 2;
    }

    .directory-alphabet {
        justify-content: center;
    }
}

/* ============================================
   RESPONSIVE: MOBILE
============================================ */

@media (max-width: 767px) {

    .directory-banner {
        padding: 40px 0 65px;
    }

    .directory-breadcrumb {
        font-size: 16px;
    }

    .directory-banner h1 {
        font-size: 32px;
    }

    .directory-navigation-container {
        margin-top: -35px;
    }

    .directory-navigation {
        flex-wrap: nowrap;
        gap: 3px;
        min-height: 65px;
        padding: 10px;
        overflow-x: auto;
        border-radius: 10px;
    }

    .directory-nav-link {
        flex: 0 0 auto;
        min-height: 40px;
        padding: 8px;
        font-size: 14px;
    }

    .directory-menu-indicator {
        font-size: 23px;
    }

    .directory-container {
        padding-top: 25px;
        padding-bottom: 35px;
    }

    .directory-toolbar {
        align-items: stretch;
        flex-direction: column;
        gap: 15px;
        margin-bottom: 22px;
    }

    .directory-search-box {
        width: 100%;
        height: 50px;
    }

    .directory-search-box input {
        font-size: 17px;
    }

    .directory-clear-button {
        align-self: flex-end;
    }

    .directory-alphabet {
        justify-content: center;
        gap: 3px;
        margin-bottom: 22px;
        padding: 8px;
    }

    .alphabet-button {
        flex-basis: 32px;
        width: 32px;
        height: 36px;
        font-size: 15px;
    }

    .directory-entry {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 22px 8px;
    }

    .directory-person h2 {
        font-size: 19px;
    }

    .directory-description {
        font-size: 14px;
    }

    .directory-contact-item,
    .directory-location {
        font-size: 16px;
    }

    .directory-contact-item i,
    .directory-location i {
        font-size: 20px;
    }

    .directory-location {
        grid-column: auto;
    }
}