/* Navigation Styles - sinav.com.tr style */
:root {
    --primary-color: #c7010d;
    --primary-dark: #a00009;
    --secondary-color: #1e3a5f;
    --text-color: #333;
}

/* Tüm sayfalarda menü hazır olana kadar gizle (anasayfa + pages; flash önleme) */
.nav-loading .desktop-nav,
.nav-loading #mobileNavAccordion,
.nav-loading .mobile-menu-body,
.nav-loading .mobile-menu-body .accordion {
    visibility: hidden;
}
body.nav-ready .desktop-nav,
body.nav-ready #mobileNavAccordion,
body.nav-ready .mobile-menu-body,
body.nav-ready .mobile-menu-body .accordion {
    visibility: visible;
}

/* Header Styles */
.main-header {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 70px;
    max-width: 1400px;
    margin: 0 auto;
}

/* Navigation Links */
.desktop-nav {
    display: flex;
    align-items: center;
    gap: 0;
}

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

.desktop-nav .nav-link {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 12px;
    text-decoration: none;
    padding: 25px 15px;
    transition: all 0.3s ease;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 5px;
    border-bottom: 3px solid transparent;
}

.desktop-nav .nav-link:hover,
.desktop-nav .nav-item:hover > .nav-link {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.desktop-nav .dropdown-toggle::after {
    display: inline-block;
    margin-left: 4px;
    vertical-align: middle;
    content: "";
    border-top: 5px solid;
    border-right: 4px solid transparent;
    border-bottom: 0;
    border-left: 4px solid transparent;
    transition: transform 0.3s ease;
}

.desktop-nav .nav-item:hover .dropdown-toggle::after {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.desktop-nav .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    display: none;
    min-width: 280px;
    padding: 0;
    margin: 0;
    background: #fff;
    border: none;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    list-style: none;
}

.desktop-nav .nav-item:hover > .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.desktop-nav .dropdown-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-color);
}

.desktop-nav .dropdown-item {
    padding: 12px 20px;
    font-weight: 500;
    font-size: 13px;
    color: var(--secondary-color);
    border-left: 3px solid transparent;
    transition: all 0.2s ease;
    display: block;
    text-decoration: none;
}

.desktop-nav .dropdown-item:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
    border-left-color: var(--primary-color);
    padding-left: 25px;
}

.desktop-nav .dropdown-item i {
    margin-right: 8px;
    font-size: 10px;
    color: var(--primary-color);
    transition: transform 0.2s ease;
}

.desktop-nav .dropdown-item:hover i {
    transform: translateX(3px);
}

.desktop-nav .dropdown-item.fw-bold {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white !important;
    font-weight: 600 !important;
    border-left: none;
}

.desktop-nav .dropdown-item.fw-bold:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #800008 100%);
    padding-left: 25px;
}

.desktop-nav .dropdown-divider {
    margin: 0;
    border-top: 1px solid #eee;
    height: 0;
}

/* Nested Sub-Dropdown (sinav.com.tr style) */
.desktop-nav .dropdown-submenu {
    position: relative;
}

.desktop-nav .dropdown-submenu > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.desktop-nav .dropdown-submenu > a::after {
    content: '\f105';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 12px;
    margin-left: auto;
    padding-left: 15px;
    transition: transform 0.2s ease;
}

.desktop-nav .dropdown-submenu:hover > a::after {
    transform: translateX(3px);
}

.desktop-nav .dropdown-submenu > .dropdown-menu {
    position: absolute;
    top: 0;
    left: 100%;
    margin-left: 0;
    border-radius: 0 8px 8px 8px;
    min-width: 250px;
    display: none;
    opacity: 0;
    visibility: hidden;
}

.desktop-nav .dropdown-submenu > .dropdown-menu::before {
    display: none;
}

.desktop-nav .dropdown-submenu > .dropdown-menu::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 100%;
    background: var(--primary-color);
    border-radius: 3px 0 0 3px;
}

.desktop-nav .dropdown-submenu:hover > .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Sub-dropdown item styling */
.desktop-nav .dropdown-submenu > a.submenu-title {
    background: #fff;
    color: var(--secondary-color) !important;
    font-weight: 600;
    border-left: none;
}

.desktop-nav .dropdown-submenu > a.submenu-title:hover {
    background: #f8f9fa;
}

.desktop-nav .dropdown-submenu > a.submenu-title i {
    color: var(--primary-color);
}

/* Mega Menu */
.mega-menu {
    min-width: 600px !important;
    padding: 20px !important;
}

.mega-menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.mega-menu-section {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.mega-menu-section-title {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 14px;
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.mega-menu-section-title i {
    font-size: 16px;
}

.mega-menu-section a {
    display: block;
    padding: 6px 0;
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s ease;
}

.mega-menu-section a:hover {
    color: var(--primary-color);
    padding-left: 10px;
}

.mega-menu-section a i {
    margin-right: 6px;
    font-size: 10px;
    color: var(--primary-color);
}

/* Ön Kayıt Button – sadece metin (logo gösterilmez) */
.btn-onkayit-header img {
    display: none !important;
}
.btn-onkayit-header {
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 13px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(199, 1, 13, 0.3);
}

.btn-onkayit-header:hover {
    background: var(--primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(199, 1, 13, 0.4);
}

/* Hamburger Button */
.hamburger-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-color);
    cursor: pointer;
    padding: 10px;
}

/* Mobile Menu Styles */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: -320px;
    width: 320px;
    height: 100%;
    background: var(--secondary-color);
    z-index: 9999;
    transition: left 0.3s ease;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.mobile-menu.active {
    left: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--secondary-color);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.btn-close-menu {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-body {
    flex: 1;
    overflow-y: auto;
    padding: 0;
}

.mobile-menu .accordion {
    --bs-accordion-bg: transparent;
    --bs-accordion-border-color: rgba(255,255,255,0.1);
}

.mobile-menu .accordion-item {
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.mobile-menu .accordion-button {
    background: transparent !important;
    color: white !important;
    font-weight: 600;
    font-size: 14px;
    padding: 15px 20px;
    box-shadow: none !important;
    letter-spacing: 0.5px;
}

.mobile-menu .accordion-button::after {
    filter: brightness(0) invert(1);
}

.mobile-menu .accordion-button.no-arrow::after {
    display: none;
}

.mobile-menu .accordion-body {
    padding: 0 20px 15px 30px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mobile-menu .accordion-body a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    font-size: 14px;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.mobile-menu .accordion-body a:hover {
    color: white;
}

.mobile-menu .accordion-button:not(.collapsed) {
    background: rgba(255,255,255,0.1) !important;
}

.mobile-menu-footer {
    padding: 20px;
    background: rgba(0,0,0,0.1);
}

.btn-onkayit-mobile {
    display: flex;
    align-items: center;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
}

/* Responsive */
@media (max-width: 1199px) {
    .desktop-nav {
        display: none !important;
    }
    .header-container {
        height: 60px;
    }
}

@media (min-width: 1200px) {
    .hamburger-btn {
        display: none !important;
    }
}

@media (max-width: 768px) {
    .mobile-menu {
        width: 100%;
        left: -100%;
    }
}

/* Footer menü (API'den yüklenir - navigation-loader.js) */
.main-footer .footer-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem 3rem;
    align-items: flex-start;
}

.main-footer .footer-menu-group {
    min-width: 140px;
}

.main-footer .footer-menu-group h6 {
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    opacity: 0.95;
}

.main-footer .footer-menu-group ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.95rem;
    font-weight: 400;
}

.main-footer .footer-menu-group ul li {
    margin-bottom: 0.5rem;
}

.main-footer .footer-menu-group a,
.main-footer .footer-nav > a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.2s ease;
}

.main-footer .footer-menu-group a:hover,
.main-footer .footer-nav > a:hover {
    color: white;
}