/* ==========================================================================
   top.css — Sneh Shikshan Avam Manav Seva Sansthan (Rewa, MP)
   Version 4.0 — Smooth Hover Dropdown + Responsive Menu
   ========================================================================== */

:root {
    --orange:        #ffa500;
    --orange-dark:   #e69500;
    --navy:          #1a2c4e;
    --navy-dark:     #0f1c34;
    --navy-light:    #2a3f66;
    --white:         #ffffff;
    --text-dark:     #222222;
    --text-muted:    #667085;
    --shadow-sm:     0 2px 10px rgba(0, 0, 0, 0.06);
    --shadow-md:     0 6px 24px rgba(0, 0, 0, 0.15);
    --shadow-lg:     0 12px 40px rgba(0, 0, 0, 0.20);
    --radius:        14px;
    --header-h:      205px;
}

/* -------------------- Global -------------------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Verdana, Arial, sans-serif;
    color: var(--text-dark);
    padding-top: 205px;
}

img { max-width: 100%; }
a { text-decoration: none; }

/* ==========================================================================
   SITE HEADER — STICKY
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1030;
    background: var(--white);
    transition: box-shadow 0.3s ease;
}

.site-header.is-scrolled {
    box-shadow: var(--shadow-md);
}

/* ==========================================================================
   TOP BAR
   ========================================================================== */
.topbar {
    background: var(--orange);
    color: #fff;
    font-size: 14px;
    padding: 8px 0;
}

.topbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.topbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    flex-wrap: wrap;
}

.topbar-item { display: flex; align-items: center; }

.topbar-link {
    color: #fff;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    transition: opacity 0.2s;
}

.topbar-link:hover { color: #fff; opacity: 0.85; }
.topbar-link i { font-size: 15px; }
.topbar-label { font-weight: 700; }
.topbar-value { font-weight: 500; }

.btn-support {
    background: var(--white);
    color: var(--navy);
    font-weight: 700;
    padding: 8px 26px;
    border-radius: 30px;
    border: 2px solid var(--white);
    font-size: 14px;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.btn-support:hover {
    background: transparent;
    color: #fff;
    border-color: #fff;
}

/* ==========================================================================
   BRAND BAR
   ========================================================================== */
.brandbar {
    background: var(--white);
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.brandbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.brandbar-inner {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 20px;
    flex-wrap: nowrap;
}

.brand-logo { flex-shrink: 0; display: inline-flex; align-items: center; }
.brand-logo img { width: 110px; height: 110px; object-fit: contain; display: block; }
.brand-text { display: inline-flex; align-items: center; min-width: 0; }
.brand-text img {
    max-width: 100%;
    height: auto;
    max-height: 80px;
    object-fit: contain;
    display: block;
}

/* ==========================================================================
   MAIN NAV
   ========================================================================== */
.mainnav {
    background: var(--navy);
    padding: 0;
    position: relative;
    z-index: 1029;
}

.mainnav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
}

.mainnav .navbar-collapse { flex-grow: 1; }

.mainnav .navbar-nav {
    flex-direction: row;
    flex-wrap: wrap;
    width: 100%;
    margin: 0;
    padding: 0;
    align-items: center;
}

.mainnav .nav-item {
    position: relative;
}

.mainnav .nav-link {
    color: var(--white) !important;
    font-weight: 600;
    font-size: 15px;
    padding: 16px 18px !important;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    transition: background 0.25s ease, color 0.25s ease;
    cursor: pointer;
    position: relative;
    background: transparent;
}

/* Underline animation */
.mainnav .nav-link::before {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 8px;
    height: 2px;
    background: var(--orange);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s ease;
}

.mainnav .nav-link:hover::before,
.mainnav .nav-link.active::before,
.mainnav .has-dropdown:hover > .nav-link::before,
.mainnav .has-dropdown.show > .nav-link::before {
    transform: scaleX(1);
}

.mainnav .nav-link:hover,
.mainnav .nav-link.active,
.mainnav .has-dropdown:hover > .nav-link,
.mainnav .has-dropdown.show > .nav-link {
    background: rgba(255, 255, 255, 0.06);
    color: var(--orange) !important;
}

/* Caret (chevron) icon */
.nav-caret {
    font-size: 12px;
    transition: transform 0.3s ease;
    color: currentColor;
}

.mainnav .has-dropdown:hover > .nav-link .nav-caret,
.mainnav .has-dropdown.show > .nav-link .nav-caret {
    transform: rotate(180deg);
}

/* Bootstrap default caret remove */
.mainnav .dropdown-toggle::after { display: none; }

/* ==========================================================================
   DROPDOWN — Smooth Hover Animation (Desktop)
   ========================================================================== */
@media (min-width: 992px) {

    .mainnav .dropdown-menu {
        /* Default state (hidden) */
        display: block !important;
        position: absolute;
        top: 100%;
        left: 0;
        min-width: 260px;
        margin: 0;
        padding: 8px 0;
        background: var(--navy-dark);
        border: none;
        border-top: 3px solid var(--orange);
        border-radius: 0 0 8px 8px;
        box-shadow: var(--shadow-lg);

        /* Animation */
        opacity: 0;
        visibility: hidden;
        transform: translateY(12px);
        transition: opacity 0.28s ease,
                    transform 0.28s ease,
                    visibility 0.28s ease;
        pointer-events: none;

        /* Hardware acceleration */
        will-change: opacity, transform;
    }

    /* Show on hover */
    .mainnav .has-dropdown:hover > .dropdown-menu,
    .mainnav .has-dropdown.show > .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        pointer-events: auto;
    }

    /* Dropdown items */
    .mainnav .dropdown-item {
        color: #e6e6e6 !important;
        font-size: 14px;
        font-weight: 500;
        padding: 11px 20px;
        display: flex;
        align-items: center;
        gap: 10px;
        transition: all 0.22s ease;
        border-left: 3px solid transparent;
        white-space: normal;
        cursor: pointer;
    }

    .mainnav .dropdown-item i {
        font-size: 15px;
        color: var(--orange);
        transition: transform 0.22s ease;
        flex-shrink: 0;
        min-width: 18px;
    }

    .mainnav .dropdown-item:hover {
        background: rgba(255, 165, 0, 0.12) !important;
        color: var(--orange) !important;
        border-left-color: var(--orange);
        padding-left: 26px;
    }

    .mainnav .dropdown-item:hover i {
        transform: scale(1.15) rotate(-6deg);
    }

    .mainnav .dropdown-item.active {
        background: rgba(255, 165, 0, 0.18) !important;
        color: var(--orange) !important;
        border-left-color: var(--orange);
    }

    /* ============== NESTED SUBMENU (Exam Information) ============== */
    .mainnav .dropdown-submenu {
        position: relative;
    }

    .mainnav .dropdown-submenu > .dropdown-menu {
        top: 0;
        left: 100%;
        margin: 0;
        border-radius: 8px;
        border-top: 3px solid var(--orange);
        border-left: 3px solid var(--orange);
        padding: 8px 0;
        min-width: 220px;

        opacity: 0;
        visibility: hidden;
        transform: translateX(8px);
        transition: opacity 0.25s ease,
                    transform 0.25s ease,
                    visibility 0.25s ease;
        pointer-events: none;
    }

    .mainnav .dropdown-submenu:hover > .dropdown-menu,
    .mainnav .dropdown-submenu.show > .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
        pointer-events: auto;
    }

    /* Submenu toggle arrow */
    .mainnav .dropdown-submenu > .dropdown-item .submenu-caret {
        margin-left: auto;
        font-size: 12px;
        color: var(--orange);
        transition: transform 0.25s ease;
    }

    .mainnav .dropdown-submenu:hover > .dropdown-item .submenu-caret {
        transform: translateX(3px);
    }
}

/* ==========================================================================
   NAVBAR TOGGLER (Mobile)
   ========================================================================== */
.navbar-toggler {
    border: none;
    padding: 14px 20px;
    color: #fff;
    display: none;
    align-items: center;
    gap: 10px;
    background: transparent;
    cursor: pointer;
    transition: background 0.25s ease;
    border-radius: 6px;
}

.navbar-toggler:hover { background: rgba(255, 255, 255, 0.08); }

.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}

.navbar-toggler i { font-size: 22px; color: var(--orange); }
.nav-toggle-text {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--white);
}
.nav-toggle-close { display: none; }

.navbar-toggler[aria-expanded="true"] .nav-toggle-open  { display: none; }
.navbar-toggler[aria-expanded="true"] .nav-toggle-close { display: inline-block; }

/* ==========================================================================
   NEWS BAR
   ========================================================================== */
.newsbar {
    background: var(--white);
    border-top: 2px solid var(--navy);
    border-bottom: 2px solid var(--navy);
    padding: 6px 0;
}

.newsbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.newsbar-inner {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
}

.news-label {
    background: #000;
    color: var(--white);
    font-weight: 700;
    font-size: 13px;
    padding: 5px 12px;
    border-radius: 3px;
    white-space: nowrap;
    flex-shrink: 0;
    letter-spacing: 0.5px;
}

.news-track {
    flex: 1;
    overflow: hidden;
    color: #000;
    font-size: 14px;
}

.news-track a {
    color: var(--navy);
    font-weight: 600;
}

.news-track a:hover { color: var(--orange-dark); }

/* ==========================================================================
   RESPONSIVE — TABLET & MOBILE (< 992px)
   ========================================================================== */
@media (max-width: 991.98px) {

    body { padding-top: 155px; }

    .topbar { padding: 6px 0; font-size: 12.5px; }
    .topbar-inner { justify-content: center; gap: 10px; }
    .topbar-value { font-size: 12px; }
    .btn-support { padding: 6px 18px; font-size: 12.5px; }

    .brandbar { padding: 8px 0; }
    .brandbar-inner { gap: 10px; }
    .brand-logo img { width: 70px; height: 70px; }
    .brand-text img { max-height: 55px; }

    .mainnav-container {
        display: block;
        padding: 0;
    }

    .navbar-toggler {
        display: flex;
        width: 100%;
        background: var(--navy-dark);
        border-radius: 0;
        justify-content: flex-start;
    }

    .mainnav .navbar-collapse {
        background: var(--navy-dark);
        max-height: 80vh;
        overflow-y: auto;
        border-top: 2px solid var(--orange);
        padding: 8px 0;
    }

    .mainnav .navbar-nav {
        flex-direction: column;
        width: 100%;
        margin: 0;
        padding: 0;
        align-items: stretch;
    }

    .mainnav .nav-item {
        width: 100%;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .mainnav .nav-link {
        padding: 15px 20px !important;
        font-size: 14.5px;
        position: relative;
        border-radius: 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .mainnav .nav-link::before { display: none; }

    .mainnav .nav-link:hover,
    .mainnav .has-dropdown.show > .nav-link {
        background: rgba(255, 165, 0, 0.12) !important;
        color: var(--orange) !important;
    }

    /* Rotate caret */
    .mainnav .has-dropdown.show > .nav-link .nav-caret {
        transform: rotate(180deg);
    }

    /* Mobile dropdown — Bootstrap handles collapse */
    .mainnav .dropdown-menu {
        position: static !important;
        float: none;
        background: rgba(0, 0, 0, 0.22);
        box-shadow: none;
        border-radius: 0;
        border: none;
        border-top: 2px solid rgba(255, 165, 0, 0.3);
        padding: 0;
        margin: 0;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        pointer-events: auto;
        display: none;
    }

    .mainnav .dropdown-menu.show {
        display: block;
        animation: mobileDropIn 0.3s ease;
    }

    @keyframes mobileDropIn {
        from { opacity: 0; transform: translateY(-6px); }
        to   { opacity: 1; transform: translateY(0); }
    }

    .mainnav .dropdown-item {
        padding: 13px 20px 13px 46px;
        font-size: 13.5px;
        color: #dcdcdc !important;
        background: transparent;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        border-left: none;
        display: flex;
        align-items: center;
        gap: 10px;
        position: relative;
        transition: all 0.25s ease;
    }

    .mainnav .dropdown-item i {
        color: var(--orange);
        font-size: 14px;
        min-width: 16px;
        flex-shrink: 0;
    }

    .mainnav .dropdown-item:hover {
        background: rgba(255, 165, 0, 0.15) !important;
        color: var(--orange) !important;
        padding-left: 52px;
    }

    /* Nested submenu (mobile) */
    .mainnav .dropdown-submenu {
        position: relative;
    }

    .mainnav .dropdown-submenu > .dropdown-item {
        padding-right: 46px !important;
        position: relative;
    }

    .mainnav .dropdown-submenu > .dropdown-item .submenu-caret {
        position: absolute;
        right: 20px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--orange);
        font-size: 12px;
        transition: transform 0.3s ease;
    }

    .mainnav .dropdown-submenu.show > .dropdown-item .submenu-caret {
        transform: translateY(-50%) rotate(90deg);
    }

    .mainnav .dropdown-submenu > .dropdown-menu {
        position: static !important;
        background: rgba(0, 0, 0, 0.30);
        display: none;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        pointer-events: auto;
    }

    .mainnav .dropdown-submenu > .dropdown-menu.show {
        display: block;
    }

    .mainnav .dropdown-submenu .dropdown-item {
        padding-left: 64px;
        font-size: 13px;
    }

    /* Newsbar mobile */
    .news-label { font-size: 11px; padding: 4px 8px; }
    .news-track { font-size: 12.5px; }
}

/* ==========================================================================
   SMALL MOBILE (< 576px)
   ========================================================================== */
@media (max-width: 575.98px) {

    body { padding-top: 135px; }

    .brandbar-inner { gap: 8px; }
    .brand-logo img { width: 58px; height: 58px; }
    .brand-text img { max-height: 42px; }

    .topbar-label { display: none; }
    .topbar-value { font-size: 11.5px; }
    .btn-support { padding: 5px 14px; font-size: 11.5px; }

    .topbar-item:nth-child(2) { display: none; }

    .mainnav .nav-link { padding: 13px 16px !important; font-size: 14px; }
    .mainnav .dropdown-item { padding: 11px 16px 11px 40px; font-size: 13px; }
    .mainnav .dropdown-submenu .dropdown-item { padding-left: 56px; font-size: 12.5px; }
}