/* Custom Premium Improvements for Navigation & CTA */

/* Glassmorphic floating navigation header */
.main-header {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.main-header.fixed-header {
    box-shadow: 0 10px 30px rgba(13, 27, 104, 0.08) !important;
}

/* Premium Glowing CTA Registration button in menu list */
.main-menu .navigation > li.nav-btn-item {
    display: inline-flex !important;
    align-items: center !important;
    padding: 10px 0 !important;
    margin-left: 25px !important;
    vertical-align: middle !important;
}

/* Fixed vertical alignment inside float layout */
@media (min-width: 768px) {
    .main-menu .navigation > li.nav-btn-item {
        height: 80px !important; /* height of header main-box */
    }
    .main-header.fixed-header .main-menu .navigation > li.nav-btn-item {
        height: 60px !important; /* height of fixed header main-box */
    }
}

.main-menu .navigation > li.nav-btn-item > a.nav-register-btn {
    display: inline-block !important;
    line-height: 1.2 !important;
    padding: 10px 22px !important;
    background: linear-gradient(135deg, #0D1B68 0%, #00A8CC 100%) !important;
    color: #ffffff !important;
    font-family: 'Poppins', sans-serif !important;
    font-weight: 700 !important;
    font-size: 13px !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    border-radius: 30px !important;
    box-shadow: 0 4px 15px rgba(0, 168, 204, 0.3) !important;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
    border: none !important;
    text-align: center !important;
}

.main-menu .navigation > li.nav-btn-item > a.nav-register-btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(0, 168, 204, 0.5) !important;
    color: #ffffff !important;
}

.main-menu .navigation > li.nav-btn-item > a.nav-register-btn:active {
    transform: translateY(1px) !important;
}

/* Disable hover underline decoration for the Register button */
.main-menu .navigation > li.nav-btn-item > a.nav-register-btn::before,
.main-menu .navigation > li.nav-btn-item > a.nav-register-btn::after {
    display: none !important;
    content: none !important;
    width: 0 !important;
}

/* Responsive tweaks */
@media (max-width: 991px) {
    .main-menu .navigation > li {
        margin-left: 15px !important;
    }
    .main-menu .navigation > li.nav-btn-item {
        margin-left: 10px !important;
    }
}

@media (max-width: 767px) {
    .main-menu .navigation > li.nav-btn-item {
        display: none !important; /* Hide inside original nav container on mobile drawer since we have it in sideBar/drawer.php */
    }
}

/* 47th National Conference navigation */
.main-header.header-style-two .main-box {
    border-bottom: 1px solid rgba(9, 47, 84, 0.08) !important;
    background: rgba(255, 255, 255, 0.96) !important;
    box-shadow: 0 8px 28px rgba(9, 47, 84, 0.075) !important;
    -webkit-backdrop-filter: blur(16px);
    backdrop-filter: blur(16px);
}

.main-header .logo-box .logo img {
    width: auto !important;
    max-width: 250px !important;
    height: auto !important;
    max-height: 54px !important;
}

.main-menu .navigation > li.nc-nav-item {
    margin-left: 4px !important;
}

.main-menu .navigation > li.nc-nav-item > a.nc-page-nav-link {
    padding: 8px 12px !important;
    border-radius: 10px;
    color: #43566d !important;
    font-size: 14px !important;
    font-weight: 600 !important;
    letter-spacing: 0.01em;
    line-height: 28px !important;
}

.main-menu .navigation > li.nc-nav-item > a.nc-page-nav-link::before {
    right: 12px !important;
    bottom: 3px !important;
    left: 12px !important;
    width: auto !important;
    height: 3px !important;
    border-radius: 999px;
    opacity: 0;
    transform: scaleX(0.25) !important;
    transform-origin: center;
    background: linear-gradient(90deg, #092f54, #00a9d6 65%, #f47b20) !important;
    transition: transform 0.25s ease, opacity 0.25s ease !important;
}

.main-menu .navigation > li.nc-nav-item:hover > a.nc-page-nav-link,
.main-menu .navigation > li.nc-nav-item.current > a.nc-page-nav-link,
.main-menu .navigation > li.nc-nav-item > a.nc-page-nav-link.is-active {
    background: rgba(0, 169, 214, 0.075);
    color: #092f54 !important;
}

.main-menu .navigation > li.nc-nav-item:hover > a.nc-page-nav-link::before,
.main-menu .navigation > li.nc-nav-item.current > a.nc-page-nav-link::before,
.main-menu .navigation > li.nc-nav-item > a.nc-page-nav-link.is-active::before {
    opacity: 1;
    transform: scaleX(1) !important;
}

.main-menu .navigation > li[hidden],
.nc-footer-links > li[hidden],
.nav-links > li[hidden] {
    display: none !important;
}

.nc-footer-links a.nc-page-nav-link.is-active {
    color: #49d4f4 !important;
    font-weight: 700 !important;
}

.nc-footer-links a.nc-page-nav-link.is-active i {
    color: #f47b20 !important;
}

#conf-home,
#conf-schedule,
#conf-welcome,
#tg-sponsors,
#faq-section {
    scroll-margin-top: 92px;
}

@media (min-width: 768px) {
    .header-style-two .logo-box,
    .header-style-two .main-menu .navigation > li,
    .header-style-two.fixed-header .logo-box,
    .header-style-two.fixed-header .main-menu .navigation > li {
        padding: 10px 0 !important;
    }

    .main-menu .navigation > li.nav-btn-item,
    .main-header.fixed-header .main-menu .navigation > li.nav-btn-item {
        height: auto !important;
        margin-left: 13px !important;
        padding: 10px 0 !important;
    }

    .main-menu .navigation > li.nav-btn-item > a.nav-register-btn {
        padding: 11px 21px !important;
    }
}

@media (max-width: 991px) and (min-width: 768px) {
    .main-header .logo-box .logo img {
        max-width: 205px !important;
    }

    .main-menu .navigation > li.nc-nav-item > a.nc-page-nav-link {
        padding-right: 8px !important;
        padding-left: 8px !important;
        font-size: 13px !important;
    }

    .main-menu .navigation > li.nav-btn-item {
        margin-left: 7px !important;
    }
}

@media (max-width: 767px) {
    body.nc-drawer-open {
        overflow: hidden !important;
    }

    .drawer-toggle {
        top: 17px !important;
        right: 18px !important;
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        width: 42px;
        height: 42px;
        padding: 0 !important;
        border: 1px solid rgba(0, 169, 214, 0.28) !important;
        border-radius: 50%;
        background: #ffffff !important;
        color: #008db9 !important;
        font-size: 20px !important;
        box-shadow: 0 7px 18px rgba(9, 47, 84, 0.12);
    }

    #mobileDrawer.drawer {
        top: 0 !important;
        right: 0 !important;
        left: auto !important;
        display: none;
        width: min(88vw, 370px) !important;
        height: 100dvh !important;
        padding: 0 !important;
        overflow-y: auto !important;
        background:
            radial-gradient(circle at 92% 8%, rgba(0, 169, 214, 0.16), transparent 12rem),
            radial-gradient(circle at 4% 92%, rgba(244, 123, 32, 0.10), transparent 13rem),
            linear-gradient(155deg, #f4fbfd 0%, #ffffff 48%, #fff9f4 100%) !important;
        color: #092f54 !important;
        opacity: 1 !important;
        box-shadow: -24px 0 55px rgba(6, 23, 42, 0.24);
        visibility: hidden;
        pointer-events: none;
        transform: translate3d(104%, 0, 0);
        transition:
            transform 0.34s cubic-bezier(0.22, 1, 0.36, 1),
            visibility 0.34s ease !important;
        will-change: transform;
    }

    #mobileDrawer.drawer.active {
        right: 0 !important;
        visibility: visible;
        pointer-events: auto;
        transform: translate3d(0, 0, 0);
    }

    .drawer-content {
        position: relative;
        z-index: 1;
        width: 100%;
        padding: 24px 20px 30px !important;
        opacity: 0;
        transform: translateX(18px);
        transition:
            opacity 0.22s ease 0.05s,
            transform 0.3s cubic-bezier(0.22, 1, 0.36, 1) 0.05s;
    }

    #mobileDrawer.drawer.active .drawer-content {
        opacity: 1;
        transform: translateX(0);
    }

    .drawer-top-bar {
        min-height: 148px;
        margin-bottom: 19px !important;
        padding: 0 50px 20px !important;
        border-bottom: 1px solid #e4ebf0;
        justify-content: center !important;
    }

    .drawer-top-bar .close-btn {
        top: 2px !important;
        right: 0 !important;
        left: auto !important;
        display: inline-flex !important;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        margin: 0 !important;
        padding: 0 !important;
        border: 1px solid #dce7ee;
        border-radius: 50%;
        background: #f3f8fa;
        color: #092f54 !important;
        font-size: 28px !important;
        font-weight: 400;
        line-height: 1;
        transform: none !important;
    }

    .drawer-logo {
        width: 142px !important;
        max-width: 142px !important;
        height: 124px !important;
        max-height: 124px !important;
        margin: 0 !important;
        border-radius: 0 !important;
        object-fit: contain !important;
        filter: drop-shadow(0 9px 17px rgba(9, 47, 84, 0.11));
    }

    .nav-links {
        display: flex !important;
        flex-direction: column !important;
        flex-wrap: nowrap !important;
        gap: 7px !important;
        margin: 0 !important;
    }

    .nav-links li {
        width: 100% !important;
        margin: 0 !important;
        text-align: left !important;
        opacity: 0;
        transform: translateX(16px);
        transition: opacity 0.2s ease, transform 0.28s ease;
    }

    #mobileDrawer.drawer.active .nav-links li:not([hidden]) {
        opacity: 1;
        transform: translateX(0);
    }

    #mobileDrawer.drawer.active .nav-links li:nth-child(1) { transition-delay: 0.07s; }
    #mobileDrawer.drawer.active .nav-links li:nth-child(2) { transition-delay: 0.10s; }
    #mobileDrawer.drawer.active .nav-links li:nth-child(5) { transition-delay: 0.13s; }
    #mobileDrawer.drawer.active .nav-links li:nth-child(6) { transition-delay: 0.16s; }
    #mobileDrawer.drawer.active .nav-links li:nth-child(7) { transition-delay: 0.19s; }
    #mobileDrawer.drawer.active .nav-links li:nth-child(8) { transition-delay: 0.22s; }

    .drawer-content .nav-links li a {
        display: grid !important;
        grid-template-columns: 38px minmax(0, 1fr);
        gap: 12px;
        align-items: center !important;
        min-height: 54px;
        padding: 8px 12px !important;
        border: 1px solid transparent;
        border-radius: 14px;
        color: #445e76 !important;
        text-align: left;
    }

    .drawer-content .nav-links li a i {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        margin: 0 !important;
        border-radius: 12px;
        background: #edf7fa;
        color: #0097c4;
        font-size: 16px !important;
    }

    .drawer-content .nav-links li a span {
        font-size: 15px !important;
        font-weight: 700;
    }

    .drawer-content .nav-links li.current a.nc-page-nav-link,
    .drawer-content .nav-links a.nc-page-nav-link.is-active {
        border-color: #cce8f1;
        background: #edf8fb;
        color: #092f54 !important;
    }

    .drawer-content .nav-links li.current a.nc-page-nav-link i,
    .drawer-content .nav-links a.nc-page-nav-link.is-active i {
        background: linear-gradient(145deg, #092f54, #00a9d6);
        color: #ffffff;
    }

    .nav-links .nc-drawer-register-item {
        margin-top: 13px !important;
        padding-top: 18px;
        border-top: 1px solid #e4ebf0;
    }

    .drawer-content .nav-links li a.nc-drawer-register {
        border: 0;
        background: linear-gradient(135deg, #092f54, #00a9d6) !important;
        color: #ffffff !important;
        box-shadow: 0 10px 24px rgba(0, 151, 196, 0.24);
    }

    .drawer-content .nav-links li a.nc-drawer-register i {
        background: rgba(255, 255, 255, 0.14);
        color: #ffffff;
    }

    .drawer-overlay {
        position: fixed;
        z-index: 1001;
        inset: 0;
        display: block !important;
        width: 100%;
        height: 100%;
        padding: 0;
        border: 0;
        background: rgba(4, 18, 34, 0.55) !important;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: opacity 0.28s ease, visibility 0.28s ease;
    }

    body.nc-drawer-open .drawer-overlay {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }
}

@media (prefers-reduced-motion: reduce) {
    .main-header,
    .main-menu .navigation > li.nc-nav-item > a.nc-page-nav-link::before,
    #mobileDrawer.drawer,
    #mobileDrawer.drawer .drawer-content,
    #mobileDrawer.drawer .nav-links li,
    .drawer-overlay {
        transition: none !important;
    }
}