:root {
    --main-color: #226497;
    --main-dark-color: #204577;
    --second-color: #0961d6;
    --second-dark-color: #0a4d8c;
    --red-color: #bb1717;
    --yel-color: #f8dc01;
    --surface: #ffffff;
    --surface-muted: #f4f7fb;
    --surface-elevated: #ffffff;
    --text-primary: #1a2b3c;
    --text-secondary: #5a6b7d;
    --border-soft: rgba(32, 69, 119, 0.12);
    --shadow-sm: 0 4px 20px rgba(32, 69, 119, 0.08);
    --shadow-md: 0 12px 40px rgba(32, 69, 119, 0.12);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --font-display: 'Montserrat', system-ui, sans-serif;
    --font-body: 'Inter', 'Montserrat', system-ui, sans-serif;
    --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-primary);
    background: var(--surface-muted);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    transition: color var(--transition), opacity var(--transition);
}

.container {
    max-width: 1240px;
}

.kto-card {
    background: var(--surface-elevated);
    border: 1px solid var(--border-soft);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.kto-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.my-btn,
.btn.my-btn {
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.02em;
    padding: 0.65rem 1.35rem;
    transition: transform var(--transition), box-shadow var(--transition);
}

.my-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(34, 100, 151, 0.25);
}

header {
    backdrop-filter: blur(12px);
}

header.fixed .alt-bar {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
}

header .alt-bar .tabs > li > a {
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition);
}

header .alt-bar .tabs > li > a:hover {
    background: rgba(34, 100, 151, 0.08);
}

header .alt-bar .tabs > .haschild > .mega-menu,
header .alt-bar .tabs > .haschild > .director-menu {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-md);
}

/* Kurumsal mega menü */
header .alt-bar .tabs > .haschild > .mega-menu {
    display: grid;
    grid-template-columns: minmax(240px, 1fr) minmax(220px, 0.95fr) minmax(340px, 1.6fr);
    align-items: stretch;
    background: var(--surface);
    border-top: 3px solid var(--main-color);
    padding: 1.35rem 0;
    gap: 0;
}

header .alt-bar .tabs > .haschild:hover > .mega-menu {
    overflow: visible;
}

header .alt-bar .tabs > .haschild > .mega-menu > .mega-col {
    display: block;
    padding: 0 1.35rem;
    border-right: 1px solid var(--border-soft);
}

header .alt-bar .tabs > .haschild > .mega-menu > .mega-col:last-child {
    border-right: 0;
}

header .alt-bar .tabs > .haschild > .mega-menu .mega-links,
header .alt-bar .tabs > .haschild > .mega-menu .mega-links:before,
header .alt-bar .tabs > .haschild > .mega-menu .mega-dic {
    all: unset;
}

.mega-president__card {
    display: block;
    text-decoration: none;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--surface-muted);
    border: 1px solid var(--border-soft);
    transition: box-shadow var(--transition), transform var(--transition);
}

.mega-president__card:hover {
    box-shadow: var(--shadow-sm);
    transform: translateY(-2px);
}

.mega-president__media {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--main-dark-color);
}

.mega-president__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.mega-president__body {
    padding: 0.85rem 1rem 1rem;
}

.mega-president__name {
    margin: 0 0 0.4rem;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--main-color);
    line-height: 1.3;
}

.mega-president__text {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.45;
    color: var(--text-secondary);
    font-weight: 400;
}

.mega-president__nav {
    margin-top: 0.85rem;
}

.mega-president__nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.mega-president__nav a {
    display: block;
    padding: 0.45rem 0.65rem;
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--main-dark-color);
    border-radius: var(--radius-sm);
    border-left: 3px solid transparent;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.mega-president__nav a:hover {
    background: rgba(34, 100, 151, 0.08);
    border-left-color: var(--main-color);
    color: var(--main-color);
}

.mega-panel__title {
    margin: 0 0 0.9rem;
    font-family: var(--font-display);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--main-color);
    padding-bottom: 0.45rem;
    border-bottom: 2px solid var(--yel-color);
}

.mega-panel__list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mega-panel__list > li > a {
    display: block;
    padding: 0.5rem 0;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-soft);
    transition: color var(--transition), padding-left var(--transition);
}

.mega-panel__list > li > a:hover {
    color: var(--main-color);
    padding-left: 0.35rem;
}

.mega-panel__group {
    margin-top: 0.65rem;
}

.mega-panel__subtitle {
    display: block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.mega-panel__sub {
    list-style: none;
    margin: 0;
    padding: 0.5rem 0.65rem;
    background: var(--surface-muted);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-soft);
}

.mega-panel__sub li + li {
    border-top: 1px solid var(--border-soft);
}

.mega-panel__sub a {
    display: block;
    padding: 0.45rem 0;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--main-dark-color);
    transition: color var(--transition);
}

.mega-panel__sub a:hover {
    color: var(--main-color);
}

.mega-corp-grid {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.15rem 0.75rem;
}

.mega-corp-grid li {
    width: auto !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    display: block !important;
}

.mega-corp-grid li::before {
    display: none !important;
}

.mega-corp-grid a {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.4rem 0.35rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--text-primary);
    line-height: 1.25;
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition);
}

.mega-corp-grid a::before {
    content: '';
    flex-shrink: 0;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--main-color);
    opacity: 0.65;
}

.mega-corp-grid a:hover {
    background: rgba(34, 100, 151, 0.07);
    color: var(--main-color);
}

.mega-corp-grid a:hover::before {
    opacity: 1;
}

@media (max-width: 1199px) {
    header .alt-bar .tabs > .haschild > .mega-menu {
        grid-template-columns: 1fr 1fr;
    }

    header .alt-bar .tabs > .haschild > .mega-menu > .mega-col--president {
        grid-column: 1 / -1;
        border-right: 0;
        border-bottom: 1px solid var(--border-soft);
        padding-bottom: 1rem;
        margin-bottom: 0.25rem;
    }

    .mega-president {
        display: flex;
        gap: 1rem;
        align-items: flex-start;
    }

    .mega-president__card {
        flex: 0 0 150px;
    }

    .mega-president__media {
        aspect-ratio: 1;
    }

    .mega-president__nav {
        flex: 1;
        margin-top: 0;
    }
}

.slider-area-2,
.content-area,
.bottom-sidebar {
    position: relative;
}

.main-area,
.near-area {
    animation: ktoFadeUp 0.6s ease both;
}

@keyframes ktoFadeUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer-area {
    background: linear-gradient(160deg, var(--main-dark-color) 0%, #163456 55%, #0f2744 100%);
    color: #fff;
}

.footer-area h4 {
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.85rem;
    margin-bottom: 1rem;
    color: var(--yel-color);
}

.footer-area .links a {
    color: rgba(255, 255, 255, 0.82);
    display: block;
    padding: 0.35rem 0;
    font-size: 0.92rem;
}

.footer-area .links a:hover {
    color: #fff;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 1.25rem 0;
    margin-top: 2rem;
}

.footer-bottom .row {
    align-items: center;
}

.kto-footer-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem 1.5rem;
    width: 100%;
}

.kto-copy {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.88rem;
}

.kto-design {
    font-size: 0.88rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.kto-design a {
    color: var(--yel-color) !important;
    text-decoration: none;
}

.kto-design a:hover {
    color: #fff !important;
}

.bubble-button .bubbly-button {
    border-radius: 999px;
    box-shadow: var(--shadow-md);
}

.bottom-sidebar .sidebar {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.bottom-sidebar h4 {
    color: var(--main-dark-color);
    font-weight: 700;
    margin-bottom: 1rem;
}

.swiper-container {
    border-radius: var(--radius-sm);
    overflow: hidden;
}

@media (max-width: 991px) {
    header .top-bar {
        height: auto;
        min-height: 80px;
    }

    .kto-footer-meta {
        flex-direction: column;
        align-items: flex-start;
    }
}