/*
 * header-footer.css
 * CSS untuk: topbar, navbar, mobile menu, footer, filter bar global
 * Di-load via functions.php → ilab_enqueue_layout_styles()
 * Berlaku di SEMUA halaman (bukan hanya homepage)
 *
 * Struktur:
 * 1. Topbar
 * 2. Navbar
 * 3. Search bar expand
 * 4. Mobile menu
 * 5. Footer
 * 6. Filter bar global (homepage + archive)
 * 7. Button variants tambahan
 * 8. Responsive
 */


/* ═══════════════════════════════════════════
   1. TOPBAR
   ═══════════════════════════════════════════ */

.ilab-topbar {
    background: var(--ilab-blue-deeper);
    color: #fff;
    font-size: 12px;
    padding: 7px 0;
    position: relative;
    z-index: 1000;
}

.ilab-topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.ilab-topbar__text {
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: .8;
    font-weight: 500;
}

.ilab-topbar__text svg { flex-shrink: 0; opacity: .7; }

.ilab-topbar__links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.ilab-topbar__link {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 12px;
    opacity: .8;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: opacity .15s;
}
.ilab-topbar__link:hover { opacity: 1; color: #fff; }
.ilab-topbar__link svg { flex-shrink: 0; }


/* ═══════════════════════════════════════════
   2. NAVBAR
   ═══════════════════════════════════════════ */

.ilab-navbar {
    background: #fff;
    border-bottom: 1px solid var(--ilab-gray-100);
    position: sticky;
    top: 0;
    z-index: 999;
    transition: box-shadow .2s, background .2s;
}

.ilab-navbar--scrolled {
    box-shadow: var(--ilab-shadow-md);
}

.ilab-navbar__inner {
    display: flex;
    align-items: center;
    gap: 24px;
    padding-top: 13px;
    padding-bottom: 13px;
}

/* Logo */
.ilab-navbar__logo {
    flex-shrink: 0;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}
.ilab-navbar__logo img {
    height: 40px;
    width: auto;
    display: block;
}
.ilab-navbar__logo-text {
    font-family: 'Raleway', sans-serif;
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--ilab-blue-deeper);
    letter-spacing: -.3px;
    line-height: 1;
}

/* Menu utama */
.ilab-navbar__menu { flex: 1; }

.ilab-nav-list {
    display: flex;
    align-items: center;
    gap: 2px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.ilab-nav-list > li { position: relative; }

.ilab-nav-list > li > a {
    font-size: 14px;
    font-weight: 600;
    color: var(--ilab-gray-600);
    text-decoration: none;
    padding: 8px 14px;
    border-radius: var(--ilab-r-sm);
    display: block;
    transition: all .15s;
    white-space: nowrap;
}
.ilab-nav-list > li > a:hover,
.ilab-nav-list > li.current-menu-item > a,
.ilab-nav-list > li.current-menu-ancestor > a {
    color: var(--ilab-blue);
    background: var(--ilab-blue-tint);
}

/* Sub-menu dropdown */
.ilab-nav-list .sub-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    min-width: 200px;
    background: #fff;
    border: 1.5px solid var(--ilab-gray-100);
    border-radius: var(--ilab-r-lg);
    box-shadow: var(--ilab-shadow-lg);
    padding: 6px;
    list-style: none;
    z-index: 100;
}
.ilab-nav-list > li:hover > .sub-menu { display: block; }
.ilab-nav-list .sub-menu li a {
    display: block;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--ilab-gray-600);
    text-decoration: none;
    border-radius: var(--ilab-r-sm);
    transition: all .15s;
}
.ilab-nav-list .sub-menu li a:hover {
    color: var(--ilab-blue);
    background: var(--ilab-blue-tint);
}

/* CTA area kanan */
.ilab-navbar__cta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.ilab-navbar__search-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ilab-gray-400);
    padding: 8px;
    border-radius: var(--ilab-r-sm);
    display: flex;
    align-items: center;
    transition: all .15s;
}
.ilab-navbar__search-btn:hover {
    color: var(--ilab-blue);
    background: var(--ilab-blue-tint);
}

.ilab-navbar__submit-btn { white-space: nowrap; }

/* Hamburger */
.ilab-navbar__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px 6px;
    border-radius: var(--ilab-r-sm);
}
.ilab-navbar__hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--ilab-gray-600);
    border-radius: 2px;
    transition: all .2s;
}
.ilab-navbar__hamburger:hover span { background: var(--ilab-blue); }


/* ═══════════════════════════════════════════
   3. SEARCH BAR EXPAND
   ═══════════════════════════════════════════ */

.ilab-navbar__search-bar {
    max-height: 0;
    overflow: hidden;
    transition: max-height .25s ease, padding .25s ease;
    border-top: 0 solid var(--ilab-gray-100);
    background: var(--ilab-gray-50);
}

.ilab-navbar__search-bar--open {
    max-height: 80px;
    border-top-width: 1px;
    padding: 12px 0;
}

.ilab-navbar__search-form {
    display: flex;
    gap: 10px;
    align-items: center;
}
.ilab-navbar__search-form .ilab-filter-bar__search { flex: 1; }

.ilab-navbar__search-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ilab-gray-400);
    padding: 6px;
    border-radius: var(--ilab-r-sm);
    display: flex;
    align-items: center;
    transition: color .15s;
}
.ilab-navbar__search-close:hover { color: var(--ilab-gray-800); }


/* ═══════════════════════════════════════════
   4. MOBILE MENU
   ═══════════════════════════════════════════ */

.ilab-mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: min(320px, 90vw);
    height: 100vh;
    background: #fff;
    z-index: 1100;
    transform: translateX(100%);
    transition: transform .3s cubic-bezier(.4, 0, .2, 1);
    overflow-y: auto;
    box-shadow: var(--ilab-shadow-lg);
}

.ilab-mobile-menu--open { transform: translateX(0); }

.ilab-mobile-menu__inner { padding: 0 24px 48px; }

.ilab-mobile-menu__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0 14px;
    border-bottom: 1px solid var(--ilab-gray-100);
    margin-bottom: 8px;
}

.ilab-mobile-menu__header .ilab-navbar__logo-text {
    font-size: 1.1rem;
}

.ilab-mobile-menu__close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--ilab-gray-400);
    padding: 6px;
    border-radius: var(--ilab-r-sm);
    display: flex;
    align-items: center;
    transition: all .15s;
}
.ilab-mobile-menu__close:hover {
    color: var(--ilab-gray-800);
    background: var(--ilab-gray-50);
}

.ilab-mobile-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.ilab-mobile-nav-list > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 0;
    font-size: 15px;
    font-weight: 700;
    color: var(--ilab-gray-800);
    text-decoration: none;
    border-bottom: 1px solid var(--ilab-gray-100);
    transition: color .15s;
}
.ilab-mobile-nav-list > li > a:hover { color: var(--ilab-blue); }
.ilab-mobile-nav-list > li.current-menu-item > a { color: var(--ilab-blue); }

/* Sub-menu mobile */
.ilab-mobile-nav-list .sub-menu {
    list-style: none;
    padding: 4px 0 4px 12px;
    margin: 0;
    border-bottom: 1px solid var(--ilab-gray-100);
}
.ilab-mobile-nav-list .sub-menu li a {
    display: block;
    padding: 8px 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--ilab-gray-600);
    text-decoration: none;
    transition: color .15s;
}
.ilab-mobile-nav-list .sub-menu li a:hover { color: var(--ilab-blue); }

.ilab-mobile-menu__cta {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Overlay */
.ilab-mobile-menu__overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 22, 40, .5);
    z-index: 1099;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
    backdrop-filter: blur(2px);
}
.ilab-mobile-menu__overlay--visible {
    opacity: 1;
    pointer-events: all;
}


/* ═══════════════════════════════════════════
   5. FOOTER
   ═══════════════════════════════════════════ */

.ilab-footer {
    background: var(--ilab-navy);
    color: #a0aec0;
}

.ilab-footer__main { padding: 60px 0 48px; }

.ilab-footer__grid {
    display: grid;
    grid-template-columns: 1.8fr 1fr 1fr 1fr;
    gap: 40px;
    align-items: start;
}

/* Kolom brand */
.ilab-footer__logo-text {
    font-family: 'Raleway', sans-serif;
    font-size: 1.5rem;
    font-weight: 900;
    color: #fff;
    letter-spacing: -.3px;
    display: block;
    margin-bottom: 14px;
}

.ilab-footer__tagline {
    font-size: 13px;
    line-height: 1.75;
    margin: 0 0 20px;
    max-width: 280px;
}

.ilab-footer__socials {
    display: flex;
    gap: 8px;
}

.ilab-footer__social-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--ilab-r-md);
    background: rgba(255, 255, 255, .08);
    color: #a0aec0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all .2s;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, .08);
}
.ilab-footer__social-btn:hover {
    background: var(--ilab-blue);
    color: #fff;
    border-color: transparent;
    transform: translateY(-2px);
}

/* Kolom link */
.ilab-footer__col-title {
    font-family: 'Raleway', sans-serif;
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .12em;
    color: #fff;
    margin: 0 0 16px;
}

.ilab-footer__links {
    list-style: none;
    margin: 0;
    padding: 0;
}
.ilab-footer__links li { margin-bottom: 9px; }
.ilab-footer__links a {
    color: #a0aec0;
    text-decoration: none;
    font-size: 13px;
    transition: color .15s;
    line-height: 1.4;
}
.ilab-footer__links a:hover { color: #fff; }

/* Kolom kontak */
.ilab-footer__contact { list-style: none; margin: 0; padding: 0; }
.ilab-footer__contact li {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    margin-bottom: 10px;
    font-size: 13px;
    color: #a0aec0;
}
.ilab-footer__contact svg { flex-shrink: 0; opacity: .6; margin-top: 2px; }
.ilab-footer__contact a {
    color: #a0aec0;
    text-decoration: none;
    transition: color .15s;
}
.ilab-footer__contact a:hover { color: #fff; }

/* Footer bottom */
.ilab-footer__bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 18px 0;
}
.ilab-footer__bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}
.ilab-footer__copy {
    font-size: 12px;
    opacity: .55;
    margin: 0;
}
.ilab-footer__bottom-nav {
    display: flex;
    gap: 24px;
}
.ilab-footer__bottom-nav a {
    font-size: 12px;
    color: #a0aec0;
    text-decoration: none;
    opacity: .6;
    transition: opacity .15s;
}
.ilab-footer__bottom-nav a:hover { opacity: 1; color: #fff; }


/* ═══════════════════════════════════════════
   6. FILTER BAR GLOBAL
   ═══════════════════════════════════════════ */

.ilab-filter-bar {
    background: #fff;
    border-radius: var(--ilab-r-xl);
    border: 1.5px solid var(--ilab-gray-100);
    padding: 16px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    box-shadow: var(--ilab-shadow-sm);
    margin-bottom: 28px;
}

.ilab-filter-bar__search {
    flex: 1;
    min-width: 200px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--ilab-gray-50);
    border: 1.5px solid var(--ilab-gray-100);
    border-radius: var(--ilab-r-md);
    padding: 9px 14px;
    transition: border-color .15s;
}
.ilab-filter-bar__search:focus-within { border-color: var(--ilab-blue); }
.ilab-filter-bar__search svg { flex-shrink: 0; color: var(--ilab-gray-400); }
.ilab-filter-bar__search input {
    border: none;
    background: none;
    outline: none;
    font-family: 'Nunito', sans-serif;
    font-size: 14px;
    color: var(--ilab-gray-800);
    width: 100%;
}
.ilab-filter-bar__search input::placeholder { color: var(--ilab-gray-400); }

.ilab-filter-bar__selects {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.ilab-filter-bar__select {
    border: 1.5px solid var(--ilab-gray-100);
    border-radius: var(--ilab-r-md);
    padding: 9px 32px 9px 14px;
    font-family: 'Nunito', sans-serif;
    font-size: 13px;
    color: var(--ilab-gray-600);
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238A95A8' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 10px center;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
    outline: none;
    transition: border-color .15s;
}
.ilab-filter-bar__select:focus { border-color: var(--ilab-blue); }
.ilab-filter-bar__select:hover { border-color: var(--ilab-gray-400); }


/* ═══════════════════════════════════════════
   7. BUTTON VARIANTS TAMBAHAN
   ═══════════════════════════════════════════ */

.ilab-btn--outline-blue {
    background: transparent;
    color: var(--ilab-blue);
    border: 2px solid var(--ilab-blue);
}
.ilab-btn--outline-blue:hover {
    background: var(--ilab-blue-tint);
    color: var(--ilab-blue-dark);
}

.ilab-btn--outline-white {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, .6);
}
.ilab-btn--outline-white:hover {
    background: rgba(255, 255, 255, .12);
    color: #fff;
    border-color: #fff;
}

.ilab-btn--lg  { padding: 14px 28px; font-size: 15px; }
.ilab-btn--xs  { padding: 5px 12px; font-size: 12px; }


/* ═══════════════════════════════════════════
   8. RESPONSIVE
   ═══════════════════════════════════════════ */

@media (max-width: 1024px) {
    .ilab-footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 900px) {
    .ilab-navbar__menu,
    .ilab-navbar__submit-btn { display: none; }
    .ilab-navbar__hamburger { display: flex; }
    .ilab-topbar__text { display: none; }
    .ilab-navbar__inner { gap: 12px; }
}

@media (max-width: 640px) {
    .ilab-footer__grid { grid-template-columns: 1fr; gap: 28px; }
    .ilab-footer__tagline { max-width: none; }
    .ilab-footer__bottom-inner { flex-direction: column; text-align: center; }
    .ilab-footer__bottom-nav { justify-content: center; flex-wrap: wrap; gap: 16px; }
    .ilab-filter-bar { flex-direction: column; gap: 8px; }
    .ilab-filter-bar__search { width: 100%; min-width: unset; }
    .ilab-filter-bar__selects { width: 100%; flex-direction: column; }
    .ilab-filter-bar__select { width: 100%; }
}