/* =========================================================================
   Pattni World — theme
   Palette drawn from the logo (globe blue, warm orange, teal, gold, purple
   figures joining hands). Headings use Plus Jakarta Sans (modern, geometric,
   a little warmer than a pure grotesk); body text uses Inter for readability
   at small sizes across long announcement text.
   ========================================================================= */

:root {
    --brand-primary: #14315c;      /* deep globe blue - nav text, headings, primary buttons */
    --brand-primary-dark: #0c2038; /* footer background */
    --brand-accent: #e8622c;       /* warm orange - the "action" colour: badges, CTAs, active states */
    --brand-teal: #1f9e89;         /* teal green figure - secondary accent, map pins */
    --brand-gold: #f2a930;         /* golden yellow figure - highlights, star/award moments */
    --brand-purple: #7c5cd6;       /* purple figure - used sparingly, mega-menu column accents */
    --brand-soft: #f5f7fb;         /* page section backgrounds */
    --brand-border: #e6e9f0;
}

body {
    font-family: 'Inter', system-ui, sans-serif;
    color: #22262b;
    background: #fff;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6,
.navbar-brand, .fw-brand {
    font-family: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
    letter-spacing: -0.01em;
}

a { color: var(--brand-primary); }
a:hover { color: var(--brand-accent); }

.btn-primary { background: var(--brand-primary); border-color: var(--brand-primary); font-weight: 600; }
.btn-primary:hover, .btn-primary:focus { background: #0c2038; border-color: #0c2038; }
.btn-outline-primary { color: var(--brand-primary); border-color: var(--brand-primary); font-weight: 600; }
.btn-outline-primary:hover { background: var(--brand-primary); border-color: var(--brand-primary); }

.badge-type { background: var(--brand-accent); font-weight: 500; letter-spacing: .02em; }

/* =========================================================================
   Header / navbar
   ========================================================================= */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--brand-border);
    position: sticky;
    top: 0;
    z-index: 1030;
}

.site-header .navbar-brand {
    color: var(--brand-primary) !important;
    font-weight: 800;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    gap: .6rem;
}

.site-header .navbar-brand img {
    width: 42px;
    height: 42px;
    object-fit: cover;
    border-radius: 50%;
    box-shadow: 0 0 0 3px rgba(232, 98, 44, .12);
}

.site-header .nav-link {
    color: #3a4256 !important;
    font-weight: 600;
    font-size: .93rem;
    padding: .6rem .9rem !important;
    position: relative;
}

.site-header .nav-link::after {
    content: '';
    position: absolute;
    left: .9rem;
    right: .9rem;
    bottom: .25rem;
    height: 2px;
    background: var(--brand-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .18s ease;
}

.site-header .nav-link:hover::after,
.site-header .nav-link.active::after {
    transform: scaleX(1);
}

.site-header .nav-link:hover { color: var(--brand-primary) !important; }

.site-header .btn-primary,
.site-header .btn-outline-primary {
    border-radius: 999px;
    padding: .4rem 1.1rem;
}

/* --- Language switcher: styled as a compact pill, distinct from page nav links --- */
.lang-switcher .nav-link {
    background: var(--brand-soft);
    border-radius: 999px;
    padding: .35rem .85rem !important;
    font-size: .82rem;
    color: var(--brand-primary) !important;
}
.lang-switcher .nav-link::after { display: none; }
.lang-switcher .nav-link:hover { background: #eef1f8; }
.lang-switcher .dropdown-item.active,
.lang-switcher .dropdown-item:active {
    background: var(--brand-soft);
    color: var(--brand-primary);
}

/* --- Mega menu (Institutes) ------------------------------------------- */
.mega-menu {
    position: static;
}

.mega-menu .dropdown-menu {
    left: 0;
    right: 0;
    width: 100%;
    border: 0;
    border-top: 3px solid var(--brand-accent);
    border-radius: 0 0 .75rem .75rem;
    box-shadow: 0 1.5rem 3rem rgba(20, 49, 92, .14);
    padding: 1.75rem;
    margin-top: 0;
}

.mega-menu-columns {
    columns: 4 220px;
    column-gap: 2rem;
    max-height: 65vh;
    overflow-y: auto;
    padding-right: .5rem;
}

@media (max-width: 991.98px) {
    .mega-menu-columns { columns: 1; }
}

.mega-menu-group {
    break-inside: avoid;
    margin-bottom: 1.25rem;
    display: inline-block;
    width: 100%;
}

.mega-menu-group h6 {
    font-family: 'Plus Jakarta Sans', sans-serif;
    color: var(--brand-accent);
    text-transform: uppercase;
    font-size: .72rem;
    letter-spacing: .08em;
    font-weight: 700;
    margin-bottom: .5rem;
    padding-bottom: .35rem;
    border-bottom: 1px solid var(--brand-border);
}

.mega-menu-group a {
    display: block;
    color: #3a4256;
    font-size: .87rem;
    padding: .2rem 0;
    text-decoration: none;
}

.mega-menu-group a:hover { color: var(--brand-accent); padding-left: .25rem; }

.mega-menu-group a.fw-semibold { color: var(--brand-accent); margin-top: .25rem; }

/* Simple scrollable dropdown (Sankh) - lighter than the full mega menu */
.scrollable-menu {
    min-width: 280px;
    max-height: 70vh;
    overflow-y: auto;
    border: 0;
    border-top: 3px solid var(--brand-teal);
    box-shadow: 0 1.5rem 3rem rgba(20, 49, 92, .14);
}

/* On mobile the navbar collapses into a vertical stack; dropdown menus
   should expand inline within that stack instead of floating as an
   absolutely-positioned overlay (which gets clipped/hard to reach on
   small screens). */
@media (max-width: 991.98px) {
    .navbar-collapse .dropdown-menu {
        position: static !important;
        float: none;
        width: 100%;
        margin-top: 0;
        border: 0;
        box-shadow: none;
        background: var(--brand-soft);
        max-height: none;
        border-radius: .5rem;
    }
    .navbar-collapse .scrollable-menu,
    .navbar-collapse .mega-menu .dropdown-menu {
        max-height: 60vh;
        overflow-y: auto;
    }
    .navbar-collapse .mega-menu-columns { columns: 1; }
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero {
    background: linear-gradient(135deg, var(--brand-primary) 0%, #1d4577 55%, var(--brand-teal) 140%);
    color: #fff;
    padding: 4.5rem 0 3rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 85% 20%, rgba(242, 169, 48, .25), transparent 45%);
    pointer-events: none;
}

.hero h1 {
    font-weight: 800;
    letter-spacing: -0.02em;
}

.hero .btn-light {
    font-weight: 700;
    border-radius: 999px;
}

.hero .btn-outline-light {
    border-radius: 999px;
    font-weight: 600;
}

/* =========================================================================
   World map
   ========================================================================= */
#world-map-wrap { background: var(--brand-soft); border-radius: 1rem; padding: 1rem; }
#world-map { width: 100%; height: auto; }
#world-map path {
    fill: #d7deea;
    stroke: #fff;
    stroke-width: 0.5;
    cursor: pointer;
    transition: fill .15s ease;
}
#world-map path.has-institutes { fill: #8a5a2b; }
#world-map path.has-institutes:hover,
#world-map path.active { fill: var(--brand-accent); }
.map-pin { fill: var(--brand-teal); stroke: #fff; stroke-width: 1; cursor: pointer; }
.map-pin:hover { fill: var(--brand-accent); }
#map-tooltip {
    position: absolute;
    background: var(--brand-primary);
    color: #fff;
    padding: .35rem .65rem;
    border-radius: .4rem;
    font-size: .8rem;
    pointer-events: none;
    display: none;
    white-space: nowrap;
    z-index: 20;
}

/* =========================================================================
   Cards / announcements
   ========================================================================= */
.card-announcement { transition: transform .15s ease, box-shadow .15s ease; }
.card-announcement:hover { transform: translateY(-3px); box-shadow: 0 .75rem 1.5rem rgba(20, 49, 92, .1); }

.step-indicator .step { opacity: .4; }
.step-indicator .step.active { opacity: 1; font-weight: 700; color: var(--brand-accent); }

/* --- Announcement carousels (homepage) -------------------------------- */
.announcement-carousel .carousel-indicators {
    position: relative !important;
    margin: 1rem 0 0;
}
.announcement-carousel .carousel-indicators button {
    background-color: #ccc;
}
.announcement-carousel .carousel-indicators button.active {
    background-color: var(--brand-primary);
}
.announcement-carousel .carousel-control-prev,
.announcement-carousel .carousel-control-next {
    width: 5%;
}

/* =========================================================================
   Footer
   ========================================================================= */
.site-footer {
    background: linear-gradient(180deg, var(--brand-primary-dark) 0%, #081527 100%);
    color: #cfd7e6;
    padding: 3.5rem 0 1.5rem;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-accent), var(--brand-gold), var(--brand-teal), var(--brand-purple));
}

.site-footer h5, .site-footer h6 {
    color: #fff;
}

.site-footer .footer-brand {
    display: flex;
    align-items: center;
    gap: .6rem;
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-weight: 800;
    font-size: 1.2rem;
    color: #fff;
}

.site-footer .footer-brand img {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 50%;
}

.site-footer a { color: #cfd7e6; text-decoration: none; }
.site-footer a:hover { color: var(--brand-gold); }

.site-footer .social-icons a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,.08);
    color: #fff;
    transition: background .15s ease, transform .15s ease;
}

.site-footer .social-icons a:hover {
    background: var(--brand-accent);
    transform: translateY(-2px);
}

.site-footer .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    margin-top: 2rem;
    padding-top: 1.25rem;
}

/* =========================================================================
   Pagination
   ========================================================================= */
.pagination .page-link { color: var(--brand-primary); }
.pagination .page-item.active .page-link { background: var(--brand-primary); border-color: var(--brand-primary); }
.pagination .page-link:hover { color: var(--brand-accent); }