/********** Template CSS **********/
:root {
    --primary: #06BBCC;
    --light: #F0FBFC;
    --dark: #181d38;
}

.fw-medium {
    font-weight: 600 !important;
}

.fw-semi-bold {
    font-weight: 700 !important;
}

.back-to-top {
    position: fixed;
    display: none;
    right: 45px;
    bottom: 45px;
    z-index: 99;
}


/*** Spinner ***/
#spinner {
    opacity: 0;
    visibility: hidden;
    transition: opacity .5s ease-out, visibility 0s linear .5s;
    z-index: 99999;
}

#spinner.show {
    transition: opacity .5s ease-out, visibility 0s linear 0s;
    visibility: visible;
    opacity: 1;
}


/*** Button ***/
.btn {
    font-family: 'Nunito', sans-serif;
    font-weight: 600;
    transition: .5s;
}

.btn.btn-primary,
.btn.btn-secondary {
    color: #FFFFFF;
}

.btn-square {
    width: 38px;
    height: 38px;
}

.btn-sm-square {
    width: 32px;
    height: 32px;
}

.btn-lg-square {
    width: 48px;
    height: 48px;
}

.btn-square,
.btn-sm-square,
.btn-lg-square {
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: normal;
    border-radius: 0px;
}


/*** Navbar ***/
.navbar .dropdown-toggle::after {
    border: none;
    content: "\f107";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    vertical-align: middle;
    margin-left: 8px;
}

.navbar-light .navbar-nav .nav-link {
    margin-right: 30px;
    padding: 25px 0;
    color: #FFFFFF;
    font-size: 15px;
    text-transform: uppercase;
    outline: none;
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link.active {
    color: var(--primary);
}

@media (max-width: 991.98px) {
    .navbar-light .navbar-nav .nav-link  {
        margin-right: 0;
        padding: 10px 0;
    }

    .navbar-light .navbar-nav {
        border-top: 1px solid #EEEEEE;
    }
}

.navbar-light .navbar-brand {
    height: 75px;
}

@media (max-width: 991.98px) {
    .navbar-light .navbar-brand {
        height: 60px;
    }

    .navbar-light .navbar-brand h2 {
        font-size: 1.5rem;
    }
}

@media (min-width: 1200px) {
    .navbar-light a.btn {
        height: 75px;
    }
}

.navbar-light .navbar-nav .nav-link {
    color: var(--dark);
    font-weight: 500;
}

.navbar-light.sticky-top {
    top: 0;
    transition: .5s;
}

@media (min-width: 992px) {
    .navbar .nav-item .dropdown-menu {
        display: block;
        margin-top: 0;
        opacity: 0;
        visibility: hidden;
        transition: .5s;
    }

    .navbar .dropdown-menu.fade-down {
        top: 100%;
        transform: rotateX(-75deg);
        transform-origin: 0% 0%;
    }

    .navbar .nav-item:hover .dropdown-menu {
        top: 100%;
        transform: rotateX(0deg);
        visibility: visible;
        transition: .5s;
        opacity: 1;
    }
}


/*** Header carousel ***/
@media (max-width: 768px) {
    .header-carousel .owl-carousel-item {
        position: relative;
        min-height: 500px;
    }
    
    .header-carousel .owl-carousel-item img {
        position: absolute;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}

.header-carousel .owl-nav {
    position: absolute;
    top: 50%;
    right: 8%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
}

.header-carousel .owl-nav .owl-prev,
.header-carousel .owl-nav .owl-next {
    margin: 7px 0;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    background: transparent;
    border: 1px solid #FFFFFF;
    font-size: 22px;
    transition: .5s;
}

.header-carousel .owl-nav .owl-prev:hover,
.header-carousel .owl-nav .owl-next:hover {
    background: var(--primary);
    border-color: var(--primary);
}

.page-header {
    background: linear-gradient(rgba(24, 29, 56, .7), rgba(24, 29, 56, .7)), url(../img/carousel-1.jpg);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

.page-header-inner {
    background: rgba(15, 23, 43, .7);
}

.breadcrumb-item + .breadcrumb-item::before {
    color: var(--light);
}


/*** Section Title ***/
.section-title {
    position: relative;
    display: inline-block;
    text-transform: uppercase;
}

.section-title::before {
    position: absolute;
    content: "";
    width: calc(100% + 80px);
    height: 2px;
    top: 4px;
    left: -40px;
    background: var(--primary);
    z-index: -1;
}

.section-title::after {
    position: absolute;
    content: "";
    width: calc(100% + 120px);
    height: 2px;
    bottom: 5px;
    left: -60px;
    background: var(--primary);
    z-index: -1;
}

.section-title.text-start::before {
    width: calc(100% + 40px);
    left: 0;
}

.section-title.text-start::after {
    width: calc(100% + 60px);
    left: 0;
}


/*** Service ***/
.service-item {
    background: var(--light);
    transition: .5s;
}

.service-item:hover {
    margin-top: -10px;
    background: var(--primary);
}

.service-item * {
    transition: .5s;
}

.service-item:hover * {
    color: var(--light) !important;
}


/*** Categories & Courses ***/
.category img,
.course-item img {
    transition: .5s;
}

.category a:hover img,
.course-item:hover img {
    transform: scale(1.1);
}


/*** Team ***/
.team-item img {
    transition: .5s;
}

.team-item:hover img {
    transform: scale(1.1);
}


/*** Testimonial ***/
.testimonial-carousel::before {
    position: absolute;
    content: "";
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(to right, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
    z-index: 1;
}

.testimonial-carousel::after {
    position: absolute;
    content: "";
    top: 0;
    right: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(to left, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
    z-index: 1;
}

@media (min-width: 768px) {
    .testimonial-carousel::before,
    .testimonial-carousel::after {
        width: 200px;
    }
}

@media (min-width: 992px) {
    .testimonial-carousel::before,
    .testimonial-carousel::after {
        width: 300px;
    }
}

.testimonial-carousel .owl-item .testimonial-text,
.testimonial-carousel .owl-item.center .testimonial-text * {
    transition: .5s;
}

.testimonial-carousel .owl-item.center .testimonial-text {
    background: var(--primary) !important;
}

.testimonial-carousel .owl-item.center .testimonial-text * {
    color: #FFFFFF !important;
}

.testimonial-carousel .owl-dots {
    margin-top: 24px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.testimonial-carousel .owl-dot {
    position: relative;
    display: inline-block;
    margin: 0 5px;
    width: 15px;
    height: 15px;
    border: 1px solid #CCCCCC;
    transition: .5s;
}

.testimonial-carousel .owl-dot.active {
    background: var(--primary);
    border-color: var(--primary);
}


/*** Footer ***/
.footer .btn.btn-social {
    margin-right: 5px;
    width: 35px;
    height: 35px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--light);
    font-weight: normal;
    border: 1px solid #FFFFFF;
    border-radius: 35px;
    transition: .3s;
}

.footer .btn.btn-social:hover {
    color: var(--primary);
}

.footer .btn.btn-link {
    display: block;
    margin-bottom: 5px;
    padding: 0;
    text-align: left;
    color: #FFFFFF;
    font-size: 15px;
    font-weight: normal;
    text-transform: capitalize;
    transition: .3s;
}

.footer .btn.btn-link::before {
    position: relative;
    content: "\f105";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-right: 10px;
}

.footer .btn.btn-link:hover {
    letter-spacing: 1px;
    box-shadow: none;
}

.footer .copyright {
    padding: 25px 0;
    font-size: 15px;
    border-top: 1px solid rgba(256, 256, 256, .1);
}

.footer .copyright a {
    color: var(--light);
}

.footer .footer-menu a {
    margin-right: 15px;
    padding-right: 15px;
    border-right: 1px solid rgba(255, 255, 255, .1);
}

.footer .footer-menu a:last-child {
    margin-right: 0;
    padding-right: 0;
    border-right: none;
}

/* TryHackMe Style Course Layout */
.thm-task-container {
    max-width: 1000px;
    margin: 40px auto;
}

.thm-card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    margin-bottom: 25px;
    overflow: hidden;
    border: 1px solid #eef0f2;
    transition: transform 0.2s;
}

.thm-card-header {
    background: #1d2633;
    color: #fff;
    padding: 18px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
    transition: background 0.3s;
}

.thm-card-header[aria-expanded="true"] .fa-chevron-down {
    transform: rotate(180deg);
}

.thm-card-header .fa-chevron-down {
    transition: transform 0.3s;
}

.thm-card-header h5 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #fff;
}

.thm-card-header .task-number {
    background: #ff4136;
    color: #fff;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    margin-right: 12px;
}

.thm-card-body {
    padding: 35px;
    border-left: 5px solid #ff4136; /* Default: Red for uncompleted */
}

/* If the parent card is marked as completed, turn the border green */
.task-completed-ui .thm-card-body {
    border-left-color: #28a745 !important;
}

.thm-content {
    line-height: 1.8;
    color: #333;
    font-size: 1.05rem;
    margin-bottom: 35px;
}

.thm-content h4 {
    color: #1d2633;
    font-weight: 700;
    margin-top: 25px;
    margin-bottom: 15px;
}

.thm-exercise-section {
    background: #f9fafb;
    border-top: 1px solid #edf2f7;
    padding: 25px 35px;
    border-radius: 0 0 8px 8px;
}

.thm-question {
    font-weight: 700;
    margin-bottom: 15px;
    color: #2d3748;
    font-size: 1rem;
}

.thm-input-group {
    display: flex;
    gap: 12px;
    margin-top: 12px;
    flex-wrap: wrap;
}

.thm-input {
    flex-grow: 1;
    padding: 12px 18px;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    background: #fff;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

.thm-input:focus {
    outline: none;
    border-color: #007bff;
}

.thm-btn-submit {
    background: #fff;
    border: 2px solid #007bff;
    color: #007bff;
    padding: 10px 25px;
    border-radius: 6px;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    transition: all 0.3s;
    white-space: nowrap;
    flex-shrink: 0;
}

.thm-btn-submit:hover {
    background: #007bff;
    color: #fff;
}

.thm-hint-btn {
    background: none;
    border: 2px solid #e2e8f0;
    color: #a0aec0;
    padding: 10px 15px;
    border-radius: 6px;
    transition: all 0.2s;
}

.thm-hint-btn:hover {
    color: #ffba08;
    border-color: #ffba08;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    margin: 30px 0;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.pdf-container {
    background: #ebf8ff;
    padding: 20px;
    border-radius: 10px;
    border: 2px dashed #90cdf4;
    display: flex;
    align-items: center;
    gap: 20px;
    margin: 30px 0;
}

.pdf-container i {
    color: #3182ce;
}

.task-completed-ui .task-number {
    background: #28a745 !important;
}

/* Modern Notification/Toast */
#notification-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 10000;
    pointer-events: none;
}

.thm-notification {
    background: #1d2633;
    color: #fff;
    width: 350px;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
    border: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 15px;
    pointer-events: auto;
    animation: slideIn 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

.thm-notification.success { border-left: 5px solid #28a745; }
.thm-notification.error { border-left: 5px solid #ff4136; }
.thm-notification.info { border-left: 5px solid #007bff; }
.thm-notification.hint { border-left: 5px solid #ffba08; }

.thm-notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.thm-notification-title {
    font-weight: 800;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.thm-notification-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    cursor: pointer;
    font-size: 1.2rem;
}

.thm-notification-body {
    font-size: 0.95rem;
    line-height: 1.5;
    color: #e2e8f0;
}

@keyframes slideIn {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideOut {
    from { transform: translateY(0); opacity: 1; }
    to { transform: translateY(100%); opacity: 0; }
}

/* Prevent body scroll when mobile menu is open */
html.menu-open, body.menu-open {
    overflow: hidden !important;
    height: 100% !important;
    width: 100% !important;
    position: fixed !important;
}