/********** Mostware Yazılım - Corporate Dark Theme CSS **********/
:root {
    --primary: #223a5e;
    --primary-hover: #16263d;
    --accent: #3b82f6;
    --light: #1e293b;
    --dark: #0f172a;
    --darker: #0a0f1a;
    --text-light: #e2e8f0;
    --text-muted: #94a3b8;
    --card-bg: #1a2332;
    --border-color: #334155;
}

body {
    background-color: var(--dark);
    color: var(--text-light);
}

.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;
    background: var(--dark) !important;
}

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

.bg-white {
    background-color: var(--card-bg) !important;
}

.bg-light {
    background-color: var(--light) !important;
}

.text-dark {
    color: var(--text-light) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}


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

.btn.btn-primary,
.btn.btn-secondary {
    color: #FFFFFF;
    background: var(--primary);
    border-color: var(--primary);
}

.btn.btn-primary:hover,
.btn.btn-secondary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
}

.btn-outline-light:hover {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
}

.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: 8px;
}


/*** 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(--accent);
}

@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 var(--border-color);
    }
}

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

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

.navbar-light.sticky-top {
    top: -100px;
    transition: .5s;
}

.navbar .dropdown-menu {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}

.navbar .dropdown-item {
    color: var(--text-light);
}

.navbar .dropdown-item:hover,
.navbar .dropdown-item.active {
    background: var(--primary);
    color: #ffffff;
}

@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;
    border-radius: 8px;
}

.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(15, 23, 43, .9), rgba(15, 23, 43, .9)), url(../img/carousel-1.jpg);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}

.page-header-inner {
    background: rgba(15, 23, 43, .9);
}

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


/*** Section Title ***/
.section-title {
    display: inline-block;
    text-transform: uppercase;
    color: var(--accent) !important;
    font-weight: 600;
    letter-spacing: 1px;
}


/*** Service ***/
.service-item {
    background: var(--card-bg);
    transition: .5s;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    display: flex;
    flex-direction: column;
}

.service-item.h-100 {
    height: 100% !important;
}

.service-item .p-4 {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

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

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

.service-item:hover * {
    color: #FFFFFF !important;
}

.service-item h5 {
    color: var(--text-light);
}

.service-item p {
    color: var(--text-muted);
}


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

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

.course-item {
    background: var(--card-bg) !important;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

.course-item h5 {
    color: var(--text-light);
}


/*** Team ***/
.team-item {
    background: var(--card-bg) !important;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
}

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

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

.team-item h5 {
    color: var(--text-light);
}

.team-item small {
    color: var(--text-muted);
}


/*** Testimonial ***/
.testimonial-carousel::before {
    position: absolute;
    content: "";
    top: 0;
    left: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(to right, var(--dark) 0%, rgba(15, 23, 43, 0) 100%);
    z-index: 1;
}

.testimonial-carousel::after {
    position: absolute;
    content: "";
    top: 0;
    right: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(to left, var(--dark) 0%, rgba(15, 23, 43, 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 var(--border-color);
    border-radius: 50%;
    transition: .5s;
}

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

.testimonial-text {
    background: var(--card-bg) !important;
    border: 1px solid var(--border-color);
    border-radius: 16px;
}

.testimonial-item h5 {
    color: var(--text-light);
}

.testimonial-item p {
    color: var(--text-muted);
}


/*** Footer ***/
.footer {
    background: var(--darker) !important;
}

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

.footer .btn.btn-social:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #FFFFFF;
}

.footer .btn.btn-link {
    display: block;
    margin-bottom: 5px;
    padding: 0;
    text-align: left;
    color: var(--text-muted);
    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;
    color: var(--accent);
}

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

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

.footer .footer-menu a {
    margin-right: 15px;
    padding-right: 15px;
    border-right: 1px solid var(--border-color);
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.footer .footer-menu a:hover {
    color: var(--accent);
}

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

.footer .footer-menu a[href="privacy.html"] {
    color: var(--accent);
    font-weight: 500;
    position: relative;
}

.footer .footer-menu a[href="privacy.html"]::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.footer .footer-menu a[href="privacy.html"]:hover::after {
    transform: scaleX(1);
}

.footer h4 {
    color: var(--text-light);
}

.footer p {
    color: var(--text-muted);
}


/*** Form Controls ***/
.form-control {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-light);
}

.form-control:focus {
    background: var(--light);
    border-color: var(--primary);
    color: var(--text-light);
    box-shadow: 0 0 0 3px rgba(34, 58, 94, 0.2);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-floating label {
    color: var(--text-muted);
}


/*** Cards and Boxes ***/
.card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-light);
}


/*** Custom Button Styles ***/
.btn-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-hover) 100%);
    border: none;
    color: #ffffff;
    padding: 12px 28px;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-cta:hover {
    background: linear-gradient(135deg, var(--primary-hover) 0%, var(--darker) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(34, 58, 94, 0.4);
    color: #ffffff;
}


/*** Stats Section ***/
.stats-item {
    text-align: center;
    padding: 30px;
}

.stats-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent);
}


/*** Language Selector ***/
.lang-selector {
    display: flex;
    align-items: center;
    padding: 8px 16px;
    margin-right: 10px;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.2);
}

.lang-selector a {
    color: rgba(255,255,255,0.7);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    padding: 0 8px;
}

.lang-selector a:hover,
.lang-selector a.active {
    color: #ffffff;
}

.lang-selector .separator {
    color: rgba(255,255,255,0.3);
    font-weight: 300;
}

@media (max-width: 991.98px) {
    .lang-selector {
        margin: 15px 0;
        justify-content: center;
    }
}