/* --- 1. ANA HEADER KAPSAYICI --- */
.premium-header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100vw;
    z-index: 9999;
    box-sizing: border-box;
    transition: background-color 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s ease, transform 0.4s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

#site-header:not(.is-sticky) { 
    background: linear-gradient(to bottom, rgba(10, 19, 41, 0.95) 0%, rgba(10, 19, 41, 0.6) 60%, rgba(10, 19, 41, 0) 100%); 
}

/* Sayfa Çakışma Önleyici */
#site-header + * {
    margin-top: calc(var(--ay-header-height, 0px) * -1);
    padding-top: calc(var(--ay-header-height, 0px) * 2);
    box-sizing: border-box;
}

/* Sticky (Kaydırma) Modu */
.premium-header.is-sticky {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    background: rgba(10, 19, 41, 0.94) !important;
    backdrop-filter: blur(20px) !important;
    -webkit-backdrop-filter: blur(20px) !important;
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.3) !important;
    border-bottom: 1px solid rgba(225, 166, 42, 0.22) !important;
    animation: ayHeaderSlideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes ayHeaderSlideDown {
    from { transform: translateY(-100%); }
    to { transform: translateY(0); }
}

/* --- 2. İNCE ÜST BİLGİ BARI (TOPBAR) --- */
.premium-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px clamp(20px, 3vw, 50px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    font-family: 'Rubik', sans-serif;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.85);
}

.premium-header.is-sticky .premium-topbar {
    display: none !important;
}

.topbar-left-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.topbar-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #ffd875;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.topbar-link:hover {
    color: #ffffff;
}

.topbar-campus-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.08);
    padding: 3px 12px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    font-weight: 600;
    letter-spacing: 0.3px;
}

.topbar-campus-tag .dot {
    width: 6.5px;
    height: 6.5px;
    border-radius: 50%;
    background: #22c55e;
    box-shadow: 0 0 8px #22c55e;
}

.topbar-right-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-socials {
    display: flex;
    gap: 12px;
    align-items: center;
}

.topbar-socials a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: #ffffff;
    transition: all 0.3s ease;
    text-decoration: none;
}

.topbar-socials a svg {
    fill: currentColor;
    width: 13px;
    height: 13px;
}

.topbar-socials a:hover {
    background: #e1a62a;
    color: #0a1329;
    transform: translateY(-2px);
}

.topbar-divider {
    width: 1px;
    height: 14px;
    background: rgba(255, 255, 255, 0.15);
}

/* Üst Bar Kampüs Seçimi Butonu */
.topbar-campus-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: #ffffff !important;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    text-decoration: none !important;
    transition: all 0.25s ease;
    cursor: pointer;
    box-sizing: border-box;
}

.topbar-campus-btn:hover {
    background: #e1a62a;
    color: #1f386c !important;
    border-color: #e1a62a;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(225, 166, 42, 0.35);
}

.topbar-campus-btn svg {
    color: inherit;
    flex-shrink: 0;
}

.topbar-lang-pill {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    padding: 2px 4px;
}

.topbar-lang-pill a {
    padding: 3px 9px;
    font-size: 11px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.topbar-lang-pill a.active {
    background: #e1a62a;
    color: #0a1329;
}

/* --- 3. ANA NAVİGASYON BARI (ORTALANMIŞ LOGO VE DENGELİ KANATLAR) --- */
.premium-navbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    width: 100%;
    max-width: 1650px;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 10px clamp(10px, 2vw, 36px);
    column-gap: clamp(10px, 1.6vw, 28px);
    transition: padding 0.3s ease;
}

.premium-header.is-sticky .premium-navbar {
    padding-top: 6px;
    padding-bottom: 6px;
}

/* Sol ve Sağ Menü Grupları */
.premium-nav-group {
    display: flex;
    align-items: center;
    gap: clamp(6px, 1.1vw, 16px);
    list-style: none;
    margin: 0;
    padding: 0;
    min-width: 0;
}

.premium-nav-left {
    grid-column: 1;
    justify-content: flex-end;
}

.premium-nav-right {
    grid-column: 3;
    justify-content: flex-start;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #ffffff !important;
    text-decoration: none;
    font-family: 'Rubik', sans-serif;
    font-size: clamp(10.5px, 0.8vw, 12.8px);
    font-weight: 700;
    letter-spacing: 0px;
    padding: 8px 3px;
    position: relative;
    transition: color 0.3s ease;
    white-space: nowrap;
    text-transform: uppercase;
    text-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    width: 0%;
    height: 2px;
    background: linear-gradient(90deg, #ffd875, #e1a62a);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-item:hover > .nav-link {
    color: #ffd875 !important;
}

.nav-item:hover > .nav-link::after {
    width: 100%;
}

.nav-link.is-highlighted-cta,
.nav-link.is-event-capsule {
    background: rgba(225, 166, 42, 0.16) !important;
    border: 1.5px solid rgba(225, 166, 42, 0.5) !important;
    color: #ffd875 !important;
    padding: 6px 14px !important;
    border-radius: 50px !important;
    box-shadow: 0 2px 10px rgba(225, 166, 42, 0.2) !important;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 7px !important;
    font-weight: 700 !important;
    letter-spacing: 0.4px !important;
    text-transform: uppercase !important;
    font-size: 12px !important;
}

.nav-link.is-highlighted-cta:hover,
.nav-link.is-event-capsule:hover {
    background: #e1a62a !important;
    color: #0a1329 !important;
    border-color: #e1a62a !important;
    box-shadow: 0 4px 18px rgba(225, 166, 42, 0.45) !important;
    transform: translateY(-1px);
}

.nav-link.is-highlighted-cta::after,
.nav-link.is-event-capsule::after {
    display: none !important;
}

/* Kırmızı Canlı Bildirim Noktası */
.ay-event-notify-dot {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 9px;
    height: 9px;
    margin-right: 2px;
    flex-shrink: 0;
}

.ay-event-notify-dot .ay-dot-ping {
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: #ef4444;
    opacity: 0.75;
    animation: ayDotPulseAnim 1.8s cubic-bezier(0, 0, 0.2, 1) infinite;
}

.ay-event-notify-dot .ay-dot-core {
    position: relative;
    display: block;
    width: 7.5px;
    height: 7.5px;
    border-radius: 50%;
    background: #ef4444;
    box-shadow: 0 0 10px #ef4444, 0 0 3px #ffffff;
}

@keyframes ayDotPulseAnim {
    0% { transform: scale(0.9); opacity: 0.85; }
    50% { transform: scale(2.3); opacity: 0; }
    100% { transform: scale(0.9); opacity: 0; }
}

.ay-header-event-star {
    font-size: 11px;
    color: #ffd875;
    transition: color 0.2s ease;
}

.nav-link.is-event-capsule:hover .ay-header-event-star {
    color: #0a1329;
}

.nav-link .dropdown-chevron {
    font-size: 9px;
    opacity: 0.75;
    transition: transform 0.3s ease;
}

.nav-item:hover > .nav-link .dropdown-chevron {
    transform: rotate(180deg);
    opacity: 1;
    color: #e1a62a;
}

/* Merkez Logo (Tam Ortada Sabit) */
.premium-logo-wrapper {
    grid-column: 2;
    justify-self: center;
    text-align: center;
    flex: 0 0 auto;
    margin: 0;
}

.premium-logo {
    height: clamp(54px, 4.8vw, 76px);
    width: auto;
    transition: height 0.3s ease, transform 0.3s ease;
    filter: drop-shadow(0 4px 15px rgba(0, 0, 0, 0.3));
    display: block;
}

.premium-header.is-sticky .premium-logo {
    height: 50px;
}

.premium-logo-wrapper:hover .premium-logo {
    transform: scale(1.03);
}

/* Lüks Cam Efektli Dropdown Menü */
.luxury-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(14px) scale(0.95);
    background: rgba(10, 19, 41, 0.96);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    border: 1px solid rgba(225, 166, 42, 0.25);
    border-radius: 18px;
    box-shadow: 0 20px 45px rgba(0, 0, 0, 0.35);
    padding: 12px 10px;
    min-width: 250px;
    list-style: none;
    margin: 0;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-item.has-dropdown::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    height: 15px;
}

.nav-item.has-dropdown:hover .luxury-dropdown,
.nav-item.has-dropdown.is-active .luxury-dropdown {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transform: translateX(-50%) translateY(4px) scale(1) !important;
}

.nav-item.has-dropdown:hover > .nav-link .dropdown-chevron,
.nav-item.has-dropdown.is-active > .nav-link .dropdown-chevron {
    transform: rotate(180deg);
    color: #e1a62a;
}

.luxury-dropdown li {
    display: block;
    margin: 2px 0;
}

.luxury-dropdown li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    color: rgba(255, 255, 255, 0.9);
    font-family: 'Rubik', sans-serif;
    font-size: 13.5px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.25s ease;
}

.luxury-dropdown li a::before {
    content: '✦';
    font-size: 9px;
    color: #e1a62a;
    opacity: 0;
    transform: translateX(-6px);
    transition: all 0.25s ease;
}

.luxury-dropdown li a:hover {
    background: rgba(225, 166, 42, 0.12);
    color: #ffd875;
    padding-left: 18px;
}

.luxury-dropdown li a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* --- 4. MOBİL MENÜ TETİKLEYİCİ VE HIZLI EYLEMLER --- */
.mobile-action-cluster {
    display: none;
    align-items: center;
    gap: 10px;
}

.mobile-quick-call {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: rgba(225, 166, 42, 0.15);
    border: 1px solid rgba(225, 166, 42, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffd875;
    text-decoration: none;
    transition: all 0.3s;
}

.mobile-quick-call svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
}

.mobile-quick-call:active {
    transform: scale(0.92);
    background: #e1a62a;
    color: #0a1329;
}

.mobile-toggle-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

.mobile-toggle-btn span {
    pointer-events: none;
    display: block;
    width: 22px;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-toggle-btn.is-active {
    background: rgba(225, 166, 42, 0.2);
    border-color: rgba(225, 166, 42, 0.4);
}

.mobile-toggle-btn.is-active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background: #ffd875;
}

.mobile-toggle-btn.is-active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-toggle-btn.is-active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background: #ffd875;
}

/* --- 5. LÜKS MOBİL MENÜ ÇEKMECESİ (OFF-CANVAS DRAWER) --- */
.ay-mobile-drawer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    height: 100dvh;
    background: rgba(8, 15, 33, 0.98);
    backdrop-filter: blur(35px);
    -webkit-backdrop-filter: blur(35px);
    z-index: 9999999 !important;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
}

.ay-mobile-drawer.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.drawer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 22px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}

.drawer-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.drawer-logo {
    height: 42px;
    width: auto;
}

.drawer-campus-badge {
    font-family: 'Rubik', sans-serif;
    font-size: 11px;
    font-weight: 700;
    color: #e1a62a;
    background: rgba(225, 166, 42, 0.12);
    border: 1px solid rgba(225, 166, 42, 0.28);
    padding: 3px 8px;
    border-radius: 50px;
    letter-spacing: 0.5px;
}

.drawer-close-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s;
}

.drawer-close-btn:active {
    transform: scale(0.92);
    background: rgba(225, 166, 42, 0.2);
    color: #ffd875;
}

.drawer-body {
    flex: 1 1 auto;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    padding: 20px 22px;
}

.drawer-campus-select-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #f8fafc;
    color: #1f386c !important;
    border: 1.5px solid #e1a62a;
    border-radius: 12px;
    padding: 12px 16px;
    font-size: 14.5px;
    font-weight: 800;
    text-decoration: none !important;
    margin-bottom: 16px;
    box-shadow: 0 4px 15px rgba(225, 166, 42, 0.12);
    transition: all 0.25s ease;
    box-sizing: border-box;
}

.drawer-campus-select-btn:hover {
    background: #e1a62a;
    color: #1f386c !important;
}

.drawer-campus-select-btn svg {
    color: #e1a62a;
    transition: color 0.2s ease;
}

.drawer-campus-select-btn:hover svg {
    color: #1f386c;
}

/* VIP Dönüşüm Kartı */
.drawer-vip-card {
    margin-bottom: 22px;
}

.drawer-primary-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px 20px;
    background: linear-gradient(135deg, #ffd875 0%, #e1a62a 50%, #c48b18 100%);
    color: #0a1329 !important;
    font-family: 'Rubik', sans-serif;
    font-size: 14px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 14px;
    text-decoration: none !important;
    box-shadow: 0 8px 25px rgba(225, 166, 42, 0.35);
    margin-bottom: 10px;
    box-sizing: border-box;
}

.drawer-quick-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.drawer-quick-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #ffffff !important;
    font-family: 'Rubik', sans-serif;
    font-size: 12.5px;
    font-weight: 600;
    text-decoration: none !important;
    transition: all 0.3s;
}

.drawer-quick-btn svg {
    width: 15px;
    height: 15px;
    stroke: #ffd875;
}

.drawer-quick-btn:active {
    background: rgba(225, 166, 42, 0.15);
    border-color: rgba(225, 166, 42, 0.3);
}

/* Akordeon Navigasyon Listesi */
.drawer-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.drawer-nav-item {
    margin-bottom: 8px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid rgba(255, 255, 255, 0.06);
    overflow: hidden;
    transition: all 0.3s ease;
}

.drawer-nav-item.is-active {
    border-color: rgba(225, 166, 42, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.drawer-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 18px;
    color: #ffffff;
    font-family: 'Rubik', sans-serif;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
}

.drawer-nav-header * {
    pointer-events: none;
}

.drawer-nav-header:hover {
    color: #ffd875;
}

.drawer-chevron-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #e1a62a;
    font-size: 11px;
    transition: transform 0.3s ease, background-color 0.3s;
    pointer-events: none;
}

.drawer-nav-item.is-active .drawer-chevron-icon {
    transform: rotate(180deg);
    background: rgba(225, 166, 42, 0.2);
    color: #ffd875;
}

.drawer-sub-menu {
    list-style: none;
    margin: 0;
    padding: 6px 18px 16px 24px;
    display: none;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.drawer-nav-item.is-active > .drawer-sub-menu {
    display: block !important;
}

.drawer-sub-menu li {
    margin: 0;
}

.drawer-sub-menu li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 4px;
    color: rgba(255, 255, 255, 0.82);
    font-family: 'Rubik', sans-serif;
    font-size: 14.5px;
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
    transition: all 0.25s ease;
    cursor: pointer;
    touch-action: manipulation;
    -webkit-tap-highlight-color: transparent;
}

.drawer-sub-menu li:last-child a {
    border-bottom: none;
}

.drawer-sub-menu li a::before {
    content: '✦';
    font-size: 9px;
    color: #e1a62a;
}

.drawer-sub-menu li a:hover,
.drawer-sub-menu li a:active {
    color: #ffd875;
    padding-left: 8px;
}

.drawer-nav-header.drawer-event-pill {
    background: rgba(225, 166, 42, 0.12) !important;
    border: 1px solid rgba(225, 166, 42, 0.4) !important;
    border-radius: 12px !important;
    color: #ffd875 !important;
    margin: 4px 0 !important;
    padding: 12px 16px !important;
}

/* Çekmece Alt Bölümü */
.drawer-footer {
    padding: 16px 22px 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.drawer-lang-selector {
    display: flex;
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 4px;
}

.drawer-lang-selector a {
    flex: 1;
    text-align: center;
    padding: 8px 0;
    font-family: 'Rubik', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s;
}

.drawer-lang-selector a.active {
    background: #e1a62a;
    color: #0a1329;
}

.drawer-contact-note {
    font-family: 'Rubik', sans-serif;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.55);
    text-align: center;
    line-height: 1.5;
}

/* --- 6. DUYARLI KIRILMA NOKTALARI (RESPONSIVE MULTI-TIER BREAKPOINTS) --- */

/* 💻 TIER 1: 13-15 inç LAPTOP & KOMPAKT MASAÜSTÜ EKRANLAR (1201px - 1540px)
   Logo TAM ORTADA (Dead-Center) kilitli kalır; menüler soluna ve sağına yerleşir */
@media (min-width: 1201px) and (max-width: 1540px) {
    .premium-navbar {
        padding: 8px clamp(8px, 1.2vw, 20px);
        column-gap: clamp(8px, 1.2vw, 18px);
    }

    .premium-nav-group {
        gap: clamp(4px, 0.6vw, 10px);
    }

    .premium-logo-wrapper {
        margin: 0;
        flex-shrink: 0;
    }

    .premium-logo {
        height: clamp(38px, 2.9vw, 46px);
    }

    .premium-header.is-sticky .premium-logo {
        height: clamp(34px, 2.6vw, 40px);
    }

    .nav-link {
        font-size: clamp(10px, 0.72vw, 11.5px);
        letter-spacing: -0.25px;
        padding: 6px clamp(2px, 0.35vw, 4px);
    }

    .nav-link .dropdown-chevron {
        font-size: 8px;
        margin-left: 2px;
    }

    .nav-link.is-highlighted-cta,
    .nav-link.is-event-capsule {
        padding: 5px clamp(7px, 0.7vw, 11px) !important;
        font-size: clamp(9.5px, 0.68vw, 11px) !important;
    }
}

/* 🖥️ TIER 2: BÜYÜK MASAÜSTÜ EKRANLAR (1541px ve Üzeri) */
@media (min-width: 1541px) {
    .premium-navbar {
        padding: 12px clamp(20px, 2.5vw, 44px);
        column-gap: clamp(16px, 2vw, 32px);
    }

    .premium-nav-group {
        gap: clamp(10px, 1.1vw, 18px);
    }

    .premium-logo-wrapper {
        margin: 0;
    }

    .premium-logo {
        height: clamp(54px, 4.2vw, 68px);
    }

    .premium-header.is-sticky .premium-logo {
        height: 50px;
    }

    .nav-link {
        font-size: clamp(11.5px, 0.8vw, 13px);
        padding: 8px 4px;
    }
}

/* 📱 TIER 3: TABLET VE MOBİL ÇEKMECE MODU (1200px ve Altı)
   Theme.js data-mobile-nav-breakpoint (1199px) ile kusursuz senkronize */
@media (max-width: 1200px) {
    .premium-topbar,
    .premium-nav-left,
    .premium-nav-right,
    .navbar-navigation,
    .navbar-action-hub {
        display: none !important;
    }

    .mobile-action-cluster {
        display: flex !important;
    }

    .premium-navbar {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        padding: 10px 18px !important;
    }

    .premium-logo-wrapper {
        margin: 0 !important;
    }

    .premium-logo {
        height: clamp(42px, 5vw, 50px) !important;
    }

    .premium-header.is-sticky .premium-logo {
        height: 42px !important;
    }
}

/* 📱 TIER 4: KÜÇÜK MOBİL CİHAZLAR (480px ve Altı) */
@media (max-width: 480px) {
    .premium-navbar {
        padding: 8px 12px !important;
    }

    .premium-logo {
        height: 38px !important;
    }

    .premium-header.is-sticky .premium-logo {
        height: 34px !important;
    }

    .mobile-action-cluster {
        gap: 6px !important;
    }

    .mobile-quick-call {
        width: 38px !important;
        height: 38px !important;
        border-radius: 10px !important;
    }

    .mobile-toggle-btn {
        width: 38px !important;
        height: 38px !important;
        border-radius: 10px !important;
    }
}

/* Mobil Menü Açıkken Yüzen İletişim Butonlarını Gizle */
body.drawer-open .mobile-premium-container,
body.drawer-open #ay-floating-dock,
body.drawer-open #ay-global-floating-dock {
    display: none !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

/* ========================================================
   🚀 SİBER YAMA: KAMPÜS SEÇİM PANELİ (OVERLAY) & BUTON STİLLERİ
   ======================================================== */
body.campus-lock {
    overflow: hidden !important;
    height: 100vh !important;
    width: 100vw !important;
    position: fixed !important; 
    touch-action: none !important; 
}

#ay-campus-overlay {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: 99999999; display: flex; flex-direction: row;
    background: #0f1c3f;
    transition: opacity 0.6s cubic-bezier(0.165, 0.84, 0.44, 1), visibility 0.6s;
}
#ay-campus-overlay.hidden-overlay {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

.campus-split {
    flex: 1; position: relative; display: flex; flex-direction: column; 
    align-items: center; justify-content: center; padding: 40px; 
    cursor: pointer; overflow: hidden; text-align: center;
    transition: flex 0.7s cubic-bezier(0.25, 1, 0.5, 1); 
}

.campus-split .bg-image {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-size: cover; background-position: center;
    transition: transform 1.5s cubic-bezier(0.2, 0.8, 0.2, 1); z-index: 1;
}
.split-gop .bg-image { background-image: url('/assets/images/common/kart-001.jpg'); }
.split-gokturk .bg-image { background-image: url('/assets/images/gokturk/gokturkgiris.jpg'); }

.campus-split .bg-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, rgba(31,56,108,0.85) 0%, rgba(15,28,63,0.98) 100%);
    z-index: 2; transition: background 0.6s ease;
}

@media (min-width: 992px) {
    #ay-campus-overlay:hover .campus-split { flex: 0.85; } 
    #ay-campus-overlay .campus-split:hover { flex: 1.15; } 
    .split-gokturk::before {
        content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 2px;
        background: linear-gradient(to bottom, rgba(225,166,42,0), rgba(225,166,42,0.8), rgba(225,166,42,0));
        z-index: 10;
    }
    .split-gop .campus-split-content { padding-right: 80px; } 
    .split-gokturk .campus-split-content { padding-left: 80px; } 
}

.campus-split:hover .bg-image { transform: scale(1.08); }
.campus-split:hover .bg-overlay { background: linear-gradient(to bottom, rgba(31,56,108,0.6) 0%, rgba(15,28,63,0.95) 100%); }

.campus-split-content {
    position: relative; z-index: 3; max-width: 450px;
    transform: translateY(15px); transition: all 0.6s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.campus-split:hover .campus-split-content { transform: translateY(0); }

.campus-icon {
    width: 80px; height: 80px; margin: 0 auto 25px auto; border-radius: 50%;
    border: 2px solid rgba(225,166,42,0.3); display: flex; align-items: center; justify-content: center;
    background: rgba(31,56,108,0.6); backdrop-filter: blur(5px); color: #e1a62a;
    transition: all 0.4s ease; box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}
.campus-split:hover .campus-icon {
    background: #e1a62a; color: #1f386c; border-color: #e1a62a;
    box-shadow: 0 15px 40px rgba(225,166,42,0.4); transform: scale(1.1);
}
.campus-icon svg { width: 36px; height: 36px; fill: currentColor; }

.campus-title {
    font-family: 'Nunito', 'Rubik', sans-serif; font-size: 38px; font-weight: 900;
    color: #ffffff; margin-bottom: 15px; line-height: 1.15; letter-spacing: -0.5px;
    text-shadow: 0 5px 15px rgba(0,0,0,0.5); transition: 0.3s;
}
.campus-split:hover .campus-title { color: #e1a62a; }

.campus-desc {
    font-family: 'Rubik', sans-serif; font-size: 15.5px; color: rgba(255,255,255,0.75);
    line-height: 1.6; text-shadow: 0 2px 10px rgba(0,0,0,0.5); margin: 0;
}

.campus-divider-logo {
    position: absolute; top: 50%; left: 50%; 
    transform: translate(-50%, -50%); z-index: 20;
    pointer-events: none; 
    background: #0f1c3f;
    padding: 16px 36px;
    border-radius: 100px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.6), inset 0 0 0 1px rgba(225,166,42,0.25);
}
.campus-divider-logo img { 
    height: 55px; width: auto !important; object-fit: contain; display: block;
}

.campus-overlay-close {
    position: absolute; top: 25px; right: 25px; z-index: 30;
    background: rgba(255,255,255,0.12); color: #ffffff;
    border: 1px solid rgba(255,255,255,0.25); width: 44px; height: 44px;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 20px; cursor: pointer; transition: all 0.3s ease;
    backdrop-filter: blur(8px); outline: none;
}
.campus-overlay-close:hover {
    background: #e1a62a; color: #1f386c; border-color: #e1a62a; transform: rotate(90deg);
}

@media (max-width: 991px) {
    #ay-campus-overlay { flex-direction: column; }
    .campus-divider-logo { padding: 10px 24px; }
    .campus-divider-logo img { height: 38px; }
    .campus-title { font-size: 26px; margin-bottom: 8px; }
    .campus-icon { width: 55px; height: 55px; margin-bottom: 12px; }
    .campus-icon svg { width: 24px; height: 24px; }
    .campus-desc { font-size: 13.5px; padding: 0 10px; line-height: 1.45; }
    .campus-split-content { transform: translateY(0); }
    .campus-split { padding: 20px 15px; }
    .split-gop .campus-split-content { padding-bottom: 45px; } 
    .split-gokturk .campus-split-content { padding-top: 45px; }
    .split-gokturk::before { 
        content: ''; position: absolute; left: 0; right: 0; top: 0; height: 2px;
        background: linear-gradient(to right, rgba(225,166,42,0), rgba(225,166,42,0.8), rgba(225,166,42,0));
        z-index: 10;
    }
}