@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400..700;1,400..700&family=Outfit:wght@100..900&display=swap');

:root {
    --primary-color: #0c1a30;      /* Deep Modern Navy */
    --primary-light: #162a4a;
    --gold-color: #d4af37;         /* Rich Premium Gold */
    --gold-light: #e6c86e;
    --bg-color: #ffffff;
    --bg-alt: #f8fafc;             /* Velvet grey-blue background */
    --card-bg: #ffffff;
    --text-main: #0f172a;          /* Slate 900 */
    --text-muted: #475569;         /* Slate 600 */
    --border-color: #e2e8f0;
    --gold-border: rgba(212, 175, 55, 0.25);
    --font-sans: 'Outfit', sans-serif;
    --font-serif: 'Lora', serif;
    
    /* Modern Ambient Layered Shadows */
    --shadow-sm: 0 4px 12px rgba(12, 26, 48, 0.02);
    --shadow-md: 0 12px 32px rgba(12, 26, 48, 0.05), 0 2px 8px rgba(12, 26, 48, 0.02);
    --shadow-lg: 0 24px 60px rgba(12, 26, 48, 0.08), 0 4px 16px rgba(12, 26, 48, 0.03);
    
    --radius-sm: 10px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

img {
    max-width: 100%;
    height: auto;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 72px; /* Desktop sticky header height */
}

@media (max-width: 991px) {
    html {
        scroll-padding-top: 58px; /* Mobile sticky header height */
    }
}

html, body {
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-alt); /* More premium feel than stark white */
    color: var(--text-main);
    line-height: 1.8;
    -webkit-overflow-scrolling: touch;
    -webkit-font-smoothing: antialiased;
}

iframe, object, embed {
    max-width: 100%;
}

table {
    width: 100%;
    max-width: 100%;
    margin-bottom: 20px;
    border-collapse: collapse;
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

/* Eduna Style Dual-Header System */
.ed-topbar {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    position: relative;
    z-index: 1001;
}

.ed-topbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

/* Logo in Topbar */
.ed-topbar-logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.ed-topbar-logo img {
    height: 58px;
    width: auto;
    border-radius: 50%;
    object-fit: contain;
}

.ed-logo-text {
    display: flex;
    flex-direction: column;
}

.ed-logo-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
}

.ed-logo-title span {
    color: var(--gold-color);
}

.ed-logo-slogan {
    font-size: 9px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
}

/* Eduna Search Widget */
.ed-search-widget {
    display: flex;
    align-items: center;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 4px;
    flex-grow: 1;
    max-width: 580px;
    position: relative;
    transition: var(--transition);
}

.ed-search-widget:focus-within {
    border-color: var(--gold-color);
    box-shadow: var(--shadow-md);
    background: #ffffff;
}

.ed-search-category {
    border-right: 1px solid var(--border-color);
    padding: 0 15px 0 10px;
}

.ed-search-category select {
    background: transparent;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 600;
    color: var(--primary-color);
    cursor: pointer;
}

.ed-search-input-wrapper {
    flex-grow: 1;
    position: relative;
}

.ed-search-input-wrapper input {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    padding: 8px 15px;
    font-family: inherit;
    font-size: 14px;
    color: var(--text-main);
}

.ed-search-btn {
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    outline: none;
    border-radius: 20px;
    padding: 8px 22px;
    font-family: inherit;
    font-size: 13.5px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.ed-search-btn:hover {
    background: var(--gold-color);
    color: #ffffff;
}

/* AJAX Search Results Box */
.ed-search-results-box {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    width: 100%;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 2000;
    max-height: 350px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    padding: 10px;
    gap: 8px;
}

.search-result-item {
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    background: #ffffff;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.search-result-item:hover {
    border-color: var(--gold-color);
    background: rgba(12, 26, 48, 0.03);
}

.result-badge {
    font-size: 10px;
    font-weight: 700;
    color: var(--gold-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.result-title {
    font-size: 13.5px;
    color: var(--primary-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

/* Topbar Right Items */
.ed-topbar-right {
    display: flex;
    align-items: center;
    gap: 25px;
}

.ed-topbar-phone {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ed-topbar-phone i {
    color: var(--gold-color);
    font-size: 16px;
}

.ed-topbar-socials {
    display: flex;
    gap: 15px;
}

.ed-topbar-socials a {
    width: 32px;
    height: 32px;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    color: var(--text-muted);
    transition: var(--transition);
}

.ed-topbar-socials a:hover {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.mobile-header-logo {
    display: none !important;
}

/* Lower Sticky Glass Header */
.ed-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(12, 26, 48, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--gold-color);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.ed-header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.ed-navigation {
    width: 100%;
}

.ed-navigation .nav-menu {
    display: flex;
    justify-content: center;
    gap: 10px;
    align-items: center;
}

.ed-navigation .nav-link {
    color: #cbd5e1;
    font-weight: 600;
    font-size: 14.5px;
    padding: 8px 20px;
    border-radius: 30px;
    border: 1px solid transparent;
}

.ed-navigation .nav-link:hover, .ed-navigation .nav-link.active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(212, 175, 55, 0.2);
}

.ed-navigation .nav-link-bagis {
    border-color: var(--gold-color) !important;
}

.ed-navigation .nav-link-bagis:hover {
    background: var(--gold-color) !important;
    color: var(--primary-color) !important;
}

.menu-toggle {
    display: none;
    color: #ffffff;
    font-size: 24px;
    cursor: pointer;
}

.featured-media-section {
    background: radial-gradient(circle at 50% 50%, rgba(248, 250, 252, 1) 0%, rgba(241, 245, 249, 0.6) 100%);
    padding: 15px 20px 30px;
    border-bottom: 1px solid var(--border-color);
}

.featured-media-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2.2fr 1fr;
    gap: 0;
    background: #ffffff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.main-video-player {
    display: flex;
    flex-direction: column;
}

.video-iframe-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    background: #000000;
}

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

.main-video-info {
    padding: 35px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.media-live-badge {
    align-self: flex-start;
    background: rgba(212, 175, 55, 0.1);
    color: var(--primary-color);
    border: 1.5px solid var(--gold-color);
    font-size: 11px;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.media-live-badge i {
    font-size: 8px;
    color: #ef4444;
}

.main-video-heading {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.35;
    letter-spacing: -0.5px;
}

.main-video-desc {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* Playlist Sidebar (Vav TV style right sidebar) */
.playlist-sidebar {
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    background: #fafafa;
    max-height: 600px;
}

.playlist-header {
    background: var(--primary-color);
    color: #ffffff;
    padding: 24px;
    font-weight: 700;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 2px solid var(--gold-color);
}

.playlist-header i {
    color: var(--gold-color);
}

.playlist-items-container {
    overflow-y: auto;
    flex-grow: 1;
}

.playlist-item {
    display: flex;
    gap: 15px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.playlist-item:hover {
    background: #f8fafc;
}

.playlist-item.active {
    background: rgba(212, 175, 55, 0.08);
    border-left: 4px solid var(--gold-color);
}

.playlist-thumb-wrapper {
    position: relative;
    width: 100px;
    min-width: 100px;
    height: 60px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: #000000;
}

.playlist-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.playlist-duration {
    position: absolute;
    bottom: 4px;
    right: 4px;
    background: rgba(0, 0, 0, 0.85);
    color: #ffffff;
    font-size: 9px;
    font-weight: 700;
    padding: 1px 4px;
    border-radius: 2px;
}

.playlist-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.playlist-title {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.playlist-date {
    font-size: 11px;
    color: var(--text-muted);
}

/* Quick Access Banners (Floating Dashboard Cards) */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin: 40px auto 50px;
    max-width: 1200px;
    padding: 0 20px;
    position: relative;
    z-index: 100;
}

.action-card {
    background: #ffffff;
    border-radius: var(--radius-md);
    padding: 30px 24px;
    text-align: center;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    position: relative;
}

.action-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold-color);
    box-shadow: var(--shadow-lg);
}

.action-icon {
    width: 64px;
    height: 64px;
    background: rgba(212, 175, 55, 0.1);
    color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 26px;
    border: 2px solid transparent;
    transition: var(--transition);
}

.action-card:hover .action-icon {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--gold-color);
}

.action-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
}

/* Hero Section (Ferah Soft Gradient & Light Geometry) */
.hero {
    position: relative;
    background: radial-gradient(circle at top right, rgba(212, 175, 55, 0.08) 0%, rgba(12, 26, 48, 0.02) 100%), #f8fafc;
    padding: 110px 20px 140px;
    text-align: center;
    color: var(--text-main);
    border-bottom: 1px solid var(--border-color);
}

.hero-content {
    max-width: 850px;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.hero-tag {
    display: inline-block;
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 11px;
    margin-bottom: 24px;
    border: 2px solid var(--primary-color);
    padding: 6px 18px;
    border-radius: 30px;
    background: rgba(12, 26, 48, 0.02);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 24px;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.hero-desc {
    font-size: 19px;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-weight: 400;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.btn-gold {
    display: inline-block;
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 14px 36px;
    font-weight: 700;
    font-size: 15px;
    border-radius: 30px;
    border: none;
    box-shadow: 0 4px 14px rgba(12, 26, 48, 0.15);
    transition: var(--transition);
}

.btn-gold:hover {
    background-color: var(--gold-color);
    color: #ffffff;
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.4);
    transform: translateY(-2px);
}

/* Section Styling */
section {
    max-width: 1200px;
    margin: 25px auto;
    padding: 0 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 25px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 12px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    position: relative;
    letter-spacing: -0.5px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -14px;
    left: 0;
    width: 70px;
    height: 4px;
    background: var(--gold-color);
    border-radius: 2px;
}

.section-title span {
    display: block;
    font-family: var(--font-sans);
    font-size: 13.5px;
    color: var(--text-muted);
    font-weight: 600;
    margin-top: 8px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

/* Grids & Cards (Vav TV style visual aesthetics) */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 30px;
}

.card {
    background-color: var(--card-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(212, 175, 55, 0.4);
}

.card-img-wrapper {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.card:hover .card-img {
    transform: scale(1.06);
}

.card-tag {
    position: absolute;
    top: 15px;
    left: 15px;
    background: rgba(12, 26, 48, 0.9);
    color: #ffffff;
    padding: 6px 14px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.card-content {
    padding: 26px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-date {
    font-size: 12.5px;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.card-date i {
    color: var(--gold-color);
    font-size: 14px;
}

.card-title {
    font-family: var(--font-serif);
    font-size: 21px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 14px;
    line-height: 1.4;
}

.card-desc {
    font-size: 14.5px;
    color: var(--text-muted);
    margin-bottom: 24px;
    flex-grow: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.7;
}

.card-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.read-more {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 6px;
}

.read-more:hover {
    color: var(--gold-color);
}

/* Vav TV style Video Overlays with Pulse Effect */
.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    width: 54px;
    height: 54px;
    background: rgba(12, 26, 48, 0.9);
    color: #ffffff;
    border: 2px solid var(--gold-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    opacity: 0.9;
    transition: var(--transition);
    pointer-events: none;
    box-shadow: 0 4px 15px rgba(12, 26, 48, 0.3);
}

.card:hover .video-play-btn {
    transform: translate(-50%, -50%) scale(1.1);
    background: var(--gold-color);
    color: var(--primary-color);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.4);
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(212, 175, 55, 0); }
    100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0); }
}

.card:hover .video-play-btn {
    animation: pulse 1.5s infinite;
}

.video-duration {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(12, 26, 48, 0.9);
    color: #ffffff;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 6px;
    letter-spacing: 0.5px;
}

/* AI Chapters Interactive Widget styling */
.ai-chapters-box {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    margin-top: 40px;
}

.ai-chapters-header {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 17px;
    color: var(--primary-color);
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--border-color);
}

.ai-chapters-header i {
    color: var(--gold-color);
    font-size: 22px;
}

.chapters-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.chapter-item {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 12px 18px;
    border-radius: var(--radius-sm);
    background: #ffffff;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.chapter-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 0;
    background: var(--gold-color);
    transition: var(--transition);
}

.chapter-item:hover {
    border-color: var(--gold-color);
    background: rgba(12, 26, 48, 0.01);
    transform: translateX(6px);
}

.chapter-item:hover::before {
    height: 60%;
}

.chapter-timestamp {
    background: rgba(12, 26, 48, 0.05);
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 20px;
    min-width: 70px;
    text-align: center;
    border: 1px solid rgba(12, 26, 48, 0.05);
}

.chapter-item:hover .chapter-timestamp {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.chapter-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
}

/* PDF E-Kitap Kitaplığı (Premium Virtual Covers) */
.book-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 35px;
}

.book-card {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.book-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    background: linear-gradient(to right, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.01) 100%);
    z-index: 10;
}

.book-card:hover {
    transform: translateY(-8px);
    border-color: var(--gold-color);
    box-shadow: var(--shadow-lg);
}

.book-cover {
    width: 140px;
    height: 205px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1a3c6c 100%);
    border-radius: 6px;
    box-shadow: 5px 8px 18px rgba(12, 26, 48, 0.15);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 18px 15px;
    color: #ffffff;
    position: relative;
    margin-bottom: 24px;
    transition: var(--transition);
}

.book-card:hover .book-cover {
    transform: scale(1.04) rotate(-1deg);
    box-shadow: 8px 12px 24px rgba(12, 26, 48, 0.25);
}

.book-cover-title {
    font-family: var(--font-serif);
    font-size: 13.5px;
    font-weight: 700;
    line-height: 1.35;
}

.book-cover-badge {
    align-self: flex-start;
    background: var(--gold-color);
    color: var(--primary-color);
    font-size: 9px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.book-title {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    line-height: 1.4;
}

.book-author {
    font-size: 13.5px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.btn-pdf {
    background: rgba(12, 26, 48, 0.04);
    color: var(--primary-color);
    border: 1px solid rgba(12, 26, 48, 0.08);
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 700;
    border-radius: 30px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.book-card:hover .btn-pdf {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
    box-shadow: 0 4px 10px rgba(12, 26, 48, 0.15);
}

/* Event Calendar Timeline Layout */
.event-feed {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.event-strip {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 30px;
    align-items: center;
    transition: var(--transition);
}

.event-strip:hover {
    border-color: var(--gold-color);
    box-shadow: var(--shadow-md);
    transform: translateX(6px);
}

.event-date-block {
    min-width: 88px;
    height: 88px;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
}

.event-strip:hover .event-date-block {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--gold-color);
}

.event-day {
    font-size: 26px;
    font-weight: 800;
    line-height: 1;
}

.event-month {
    font-size: 11.5px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1.5px;
    margin-top: 5px;
}

.event-details {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.event-meta-info {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    gap: 20px;
    margin-bottom: 8px;
}

.event-meta-info span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.event-meta-info i {
    color: var(--gold-color);
    font-size: 14px;
}

.event-strip-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

/* Detail Page Layout & Typography Hierarchy */
.detail-layout {
    display: grid;
    grid-template-columns: 2.2fr 1fr;
    gap: 45px;
}

.detail-main {
    background: var(--card-bg);
    padding: 50px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.detail-meta {
    display: flex;
    gap: 24px;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 18px;
}

.detail-meta a {
    color: var(--primary-color);
    font-weight: 700;
}

.detail-header-img {
    width: 100%;
    max-height: 480px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 35px;
    border: 1px solid var(--border-color);
}

.detail-title {
    font-family: var(--font-serif);
    font-size: 38px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
    line-height: 1.35;
    letter-spacing: -0.5px;
}

.detail-content {
    font-size: 16.5px;
    line-height: 1.9;
    color: var(--text-main);
}

.detail-content p {
    margin-bottom: 24px;
}

.detail-content h2, .detail-content h3 {
    font-family: var(--font-serif);
    color: var(--primary-color);
    margin: 40px 0 20px;
    font-weight: 700;
}

/* Sidebar Widgets */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.widget {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 22px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gold-color);
}

.widget-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.widget-list-item a {
    display: flex;
    justify-content: space-between;
    font-size: 14.5px;
    color: var(--text-main);
    font-weight: 600;
}

.widget-list-item a:hover {
    color: var(--gold-color);
    padding-left: 6px;
}

/* Footer (Navy Corporate Footer) */
footer {
    background: var(--primary-color);
    color: #ffffff;
    padding: 70px 20px 25px;
    margin-top: 100px;
    border-top: 5px solid var(--gold-color);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 18px;
}

.footer-logo span {
    color: var(--gold-color);
}

.footer-text {
    font-size: 14px;
    color: #cbd5e1;
    line-height: 1.8;
}

.footer-title {
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 600;
    color: var(--gold-color);
    margin-bottom: 25px;
}

.footer-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link {
    color: #cbd5e1;
    font-size: 14px;
}

.footer-link:hover {
    color: var(--gold-color);
    padding-left: 6px;
}

.footer-info {
    font-size: 14px;
    color: #cbd5e1;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-info p {
    display: flex;
    align-items: center;
    gap: 12px;
}

.footer-info i {
    color: var(--gold-color);
    font-size: 16px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 25px;
    text-align: center;
    font-size: 12.5px;
    color: #94a3b8;
}

/* Responsiveness */
@media (max-width: 992px) {
    .detail-layout {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 40px;
    }
    .footer-container {
        grid-template-columns: 1fr;
        gap: 35px;
    }
    .event-strip {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    .featured-media-container {
        grid-template-columns: 1fr;
    }
    .playlist-sidebar {
        border-left: none;
        border-top: 1px solid var(--border-color);
        max-height: 400px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .grid-container {
        grid-template-columns: 1fr;
    }
}

/* Fullscreen PDF Reader Modal Overlay */
.pdf-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 5000;
    padding: 20px;
}

.pdf-modal-content {
    width: 100%;
    max-width: 1100px;
    height: 90vh;
    background: var(--primary-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
    border: 2.5px solid var(--gold-color);
}

.pdf-modal-header {
    padding: 18px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--gold-color);
    background: var(--primary-color);
}

.pdf-close-btn {
    background: none;
    border: none;
    font-size: 36px;
    color: #ffffff;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition);
}

.pdf-close-btn:hover {
    color: var(--gold-color);
    transform: scale(1.1);
}

/* PDF.js E-reader Controls & Viewer Styling */
.pdf-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.08);
    padding: 6px 18px;
    border-radius: 30px;
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.pdf-ctrl-btn {
    background: none;
    border: none;
    color: #ffffff;
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 8px;
}

.pdf-ctrl-btn:hover {
    color: var(--gold-color);
}

.pdf-page-indicator {
    color: #ffffff;
    font-size: 13px;
    font-weight: 600;
    font-family: monospace;
    background: rgba(0, 0, 0, 0.2);
    padding: 3px 10px;
    border-radius: 4px;
}

.pdf-zoom-indicator {
    color: rgba(255, 255, 255, 0.8);
    font-size: 12px;
    font-weight: 600;
    min-width: 38px;
    text-align: center;
    font-family: monospace;
}

.pdf-ctrl-divider {
    width: 1px;
    height: 16px;
    background: rgba(255, 255, 255, 0.2);
    margin: 0 4px;
}

.pdf-viewer-layout {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 100%;
}

.pdf-sidebar,
.pdf-search-panel {
    width: 260px;
    height: 100%;
    background: #0f172a;
    border-right: 1px solid rgba(255,255,255,0.08);
    display: flex;
    flex-direction: column;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
    z-index: 100;
}

.pdf-sidebar {
    margin-left: -260px;
}

.pdf-sidebar.open {
    margin-left: 0;
}

.pdf-search-panel {
    border-left: 1px solid rgba(255,255,255,0.08);
    border-right: none;
    margin-right: -260px;
}

.pdf-search-panel.open {
    margin-right: 0;
}

.pdf-sidebar-header {
    padding: 16px 20px;
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 14px;
}

.pdf-thumbnail-list {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.pdf-thumb-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.pdf-thumb-item:hover {
    background: rgba(255,255,255,0.04);
}

.pdf-thumb-item.active {
    background: rgba(212, 175, 55, 0.08);
    border-color: var(--gold-color);
}

.pdf-thumb-item canvas {
    max-width: 100%;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    border-radius: 2px;
}

.pdf-thumb-item span {
    color: rgba(255,255,255,0.5);
    font-size: 11px;
    font-weight: 700;
}

.pdf-search-results {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.search-result-item {
    padding: 12px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: var(--radius-sm);
}

.search-result-item:hover {
    background: rgba(255,255,255,0.04);
}

.search-result-item strong {
    color: var(--gold-color);
    font-size: 12px;
    display: block;
    margin-bottom: 4px;
}

.search-result-item p {
    color: rgba(255,255,255,0.7);
    font-size: 11.5px;
    line-height: 1.4;
    margin: 0;
}

.pdf-controls-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.pdf-controls-wrapper::-webkit-scrollbar {
    display: none;
}

.pdf-viewer-container {
    flex: 1;
    overflow: auto;
    background: #0b0f19;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 30px 20px;
    position: relative;
}

.pdf-canvas-wrapper {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    background: #ffffff;
    border-radius: 4px;
    overflow: hidden;
    max-width: 100%;
    transition: transform 0.2s ease;
    display: flex;
    gap: 20px;
}

.pdf-canvas-wrapper canvas {
    max-width: 100%;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.pdf-canvas-wrapper.sepia-mode canvas {
    filter: sepia(0.65) contrast(1.15) brightness(0.92) !important;
}

.pdf-canvas-wrapper.sepia-mode {
    background: #f4ecd8 !important;
    padding: 10px;
}

.pdf-canvas-wrapper.night-mode {
    background: #0f172a !important;
    padding: 10px;
}

@media (max-width: 768px) {
    .pdf-sidebar,
    .pdf-search-panel {
        position: absolute;
        top: 0;
        bottom: 0;
        width: 100%;
        max-width: 100vw;
        height: 100%;
        z-index: 3000;
    }
    .pdf-sidebar {
        margin-left: -100%;
    }
    .pdf-sidebar.open {
        margin-left: 0;
    }
    .pdf-search-panel {
        margin-right: -100%;
        right: 0;
    }
    .pdf-search-panel.open {
        margin-right: 0;
    }
    .pdf-canvas-wrapper {
        gap: 0;
    }
}

.pdf-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(11, 15, 25, 0.85);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    color: #ffffff;
    z-index: 10;
    font-family: var(--font-serif);
}

.pdf-loading-overlay i {
    font-size: 32px;
    color: var(--gold-color);
}

/* Responsive adjustments for E-reader controls */
@media (max-width: 768px) {
    .pdf-modal-header {
        flex-direction: column;
        gap: 12px;
        padding: 12px;
    }
    .pdf-close-btn {
        position: absolute;
        top: 8px;
        right: 15px;
        font-size: 28px;
    }
    .pdf-controls {
        gap: 8px;
        padding: 4px 12px;
    }
}

/* Social Media Sharing Buttons styling */
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 13.5px;
    font-weight: 600;
    color: #ffffff;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-sm);
}

.share-whatsapp {
    background-color: #25d366;
}

.share-x {
    background-color: #000000;
}

.share-facebook {
    background-color: #1877f2;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    filter: brightness(1.08);
    color: #ffffff;
}

/* Navigation Dropdown Menu styling */
.dropdown-item {
    position: relative;
}

.dropdown-menu-list {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--primary-color);
    border: 1.5px solid var(--gold-color);
    border-radius: var(--radius-sm);
    padding: 10px 0;
    min-width: 220px;
    list-style: none;
    display: none;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    margin-top: 8px;
}

.dropdown-item:hover .dropdown-menu-list {
    display: block;
}

.dropdown-menu-list li a {
    display: block;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 600;
    color: #cbd5e1;
    transition: var(--transition);
}

.dropdown-menu-list li a:hover {
    color: var(--gold-color);
    background: rgba(255, 255, 255, 0.05);
    padding-left: 24px;
}

/* TDV / Vav TV Style Split Screen Event Calendar */
.event-split-container {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 30px;
    margin-top: 25px;
}

.featured-event-card {
    background: #ffffff;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.featured-event-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gold-color);
}

.feat-event-img-wrapper {
    position: relative;
    height: 320px;
    overflow: hidden;
    background: #000000;
}

.feat-event-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.featured-event-card:hover .feat-event-img {
    transform: scale(1.04);
}

.feat-event-date-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--primary-color);
    border: 2px solid var(--gold-color);
    color: #ffffff;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    text-align: center;
    box-shadow: var(--shadow-md);
    display: flex;
    flex-direction: column;
}

.feat-date-day {
    font-size: 26px;
    font-weight: 800;
    line-height: 1;
    color: var(--gold-color);
}

.feat-date-month {
    font-size: 11px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    margin-top: 4px;
}

.feat-event-content {
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    flex-grow: 1;
}

.feat-event-meta {
    display: flex;
    gap: 20px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
}

.feat-event-meta i {
    color: var(--gold-color);
}

.feat-event-title {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.3;
}

.feat-event-desc {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.7;
}

.event-list-sidebar {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.event-sidebar-row {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    gap: 20px;
    align-items: center;
    transition: var(--transition);
}

.event-sidebar-row:hover {
    transform: translateX(6px);
    border-color: var(--gold-color);
    box-shadow: var(--shadow-md);
}

.event-sidebar-details {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.event-sidebar-title {
    font-family: var(--font-serif);
    font-size: 16.5px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.4;
}

@media (max-width: 992px) {
    .event-split-container {
        grid-template-columns: 1fr;
    }
}

/* Eduna Style Animated Hero Section */
.eduna-hero {
    position: relative;
    padding: 35px 20px 65px;
    background: radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.07) 0%, rgba(12, 26, 48, 0.02) 100%), #f8fafc;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.eduna-hero-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.eduna-hero-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.shape {
    position: absolute;
    border-radius: 50%;
}

.shape-circle-1 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, rgba(255,255,255,0) 70%);
    top: -50px;
    left: -50px;
}

.shape-ring-1 {
    width: 80px;
    height: 80px;
    border: 3px dashed rgba(12, 26, 48, 0.07);
    top: 15%;
    right: 45%;
}

.shape-gold-blob {
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.12) 0%, rgba(255,255,255,0) 70%);
    bottom: -30px;
    right: 5%;
}

.eduna-hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.eduna-hero-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
    text-align: left;
}

.eduna-hero-badge {
    align-self: flex-start;
    background: rgba(12, 26, 48, 0.06);
    color: var(--primary-color);
    border: 1px solid var(--gold-border);
    padding: 6px 16px;
    font-size: 11.5px;
    font-weight: 800;
    letter-spacing: 2px;
    border-radius: 30px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.eduna-hero-title {
    font-family: var(--font-serif);
    font-size: 48px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.2;
    letter-spacing: -1px;
}

.eduna-hero-title span {
    color: var(--gold-color);
    position: relative;
}

.eduna-hero-desc {
    font-size: 17px;
    color: var(--text-muted);
    line-height: 1.8;
}

.eduna-hero-buttons {
    display: flex;
    gap: 15px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.eduna-hero-buttons .btn-gold {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--gold-color) 0%, #c49a24 100%);
    color: var(--primary-color);
    padding: 13px 32px;
    font-weight: 700;
    font-size: 15px;
    border-radius: 30px;
    border: none;
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.3);
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    text-decoration: none;
}

.eduna-hero-buttons .btn-gold:hover {
    background: var(--primary-color);
    color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(12, 26, 48, 0.35);
}

.btn-outline-gold {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--gold-color);
    border: 2px solid var(--gold-color);
    padding: 12px 30px;
    font-weight: 700;
    font-size: 14.5px;
    border-radius: 30px;
    transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
    text-decoration: none;
}

.btn-outline-gold:hover {
    background: var(--gold-color);
    color: var(--primary-color);
    border-color: var(--gold-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 22px rgba(212, 175, 55, 0.35);
}

.eduna-hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
}

.eduna-hero-img-wrapper {
    position: relative;
    width: 380px;
    height: 380px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: var(--shadow-lg);
    border: 3px solid #ffffff;
}

.eduna-logo-bg-glow {
    position: absolute;
    width: 110%;
    height: 110%;
    background: radial-gradient(circle, rgba(212,175,55,0.15) 0%, rgba(255,255,255,0) 70%);
    border-radius: 50%;
    z-index: 1;
}

.eduna-hero-logo {
    width: 200px;
    height: auto;
    border-radius: 50%;
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.eduna-hero-img-wrapper:hover .eduna-hero-logo {
    transform: scale(1.08) rotate(5deg);
}

.eduna-floating-widget {
    position: absolute;
    background: #ffffff;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 3;
    border: 1px solid var(--border-color);
}

.widget-1 {
    top: 40px;
    left: -40px;
}

.widget-2 {
    bottom: 50px;
    right: -40px;
}

.widget-icon {
    width: 42px;
    height: 42px;
    background: rgba(12, 26, 48, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.widget-info h4 {
    font-size: 15px;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.2;
}

.widget-info p {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 600;
}

/* Eduna Style Category Grid Cards */
.eduna-categories-section {
    max-width: 1200px;
    margin: -30px auto 25px auto;
    padding: 0 20px;
    position: relative;
    z-index: 50;
}

.eduna-categories-container {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.eduna-section-head {
    margin-bottom: 35px;
    text-align: left;
}

.eduna-section-head-tag {
    font-size: 11px;
    font-weight: 800;
    color: var(--gold-color);
    letter-spacing: 2px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 8px;
}

.eduna-section-head-title {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
}

.eduna-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.eduna-category-card {
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: var(--transition);
}

.eduna-category-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    transition: var(--transition);
}

.bg-1 { background: rgba(12, 26, 48, 0.08); color: var(--primary-color); }
.bg-2 { background: rgba(212, 175, 55, 0.12); color: var(--gold-color); }
.bg-3 { background: rgba(16, 185, 129, 0.1); color: #10b981; }
.bg-4 { background: rgba(239, 68, 68, 0.08); color: #ef4444; }

.eduna-category-info h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
    transition: var(--transition);
}

.eduna-category-info p {
    font-size: 12.5px;
    color: var(--text-muted);
    font-weight: 500;
}

/* Hover effects */
.eduna-category-card:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.eduna-category-card:hover .eduna-category-info h4 {
    color: #ffffff;
}

.eduna-category-card:hover .eduna-category-info p {
    color: #cbd5e1;
}

.eduna-category-card:hover .eduna-category-icon {
    background: #ffffff;
    transform: scale(1.1);
}

/* Keyframe Animations (Step 3) */
@keyframes updown-ani {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes rotate-ani {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.updown-ani {
    animation: updown-ani 4s ease-in-out infinite;
}

.rotate-ani {
    animation: rotate-ani 20s linear infinite;
}

/* Responsive Overrides */
@media (max-width: 992px) {
    .eduna-hero-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .eduna-hero-left {
        text-align: center;
        align-items: center;
    }
    .eduna-hero-badge {
        align-self: center;
    }
    .eduna-hero-buttons {
        justify-content: center;
    }
    .eduna-hero-right {
        margin-top: 20px;
    }
    .eduna-hero {
        padding: 60px 20px 100px;
    }
    .eduna-categories-section {
        margin-top: -10px;
    }
    .eduna-categories-container {
        padding: 30px;
    }
}



/* Donation Tabs and Form Styling */
.donation-tabs {
    display: flex;
    gap: 10px;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 35px;
}

.donation-tab-btn {
    background: transparent;
    border: none;
    outline: none;
    font-family: inherit;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-muted);
    padding: 14px 28px;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.donation-tab-btn:hover {
    color: var(--primary-color);
}

.donation-tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--gold-color);
}

.donation-tab-content {
    display: none;
}

.donation-tab-content.active {
    display: block;
}

/* Darüşşafaka Flat Donation Layout */
.darus-donation-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 40px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 50px;
}

.darus-form-section, .darus-payment-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.darus-section-title {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 8px;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.darus-select, .darus-input, .darus-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    outline: none;
    font-family: inherit;
    font-size: 14.5px;
    background: #ffffff;
    transition: var(--transition);
}

.darus-select:focus, .darus-input:focus, .darus-textarea:focus {
    border-color: var(--gold-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

/* Quick Amount Select Buttons */
.darus-amount-chips {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.amount-chip {
    flex: 1;
    min-width: 80px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 10px 15px;
    font-weight: 700;
    font-size: 13.5px;
    font-family: inherit;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.amount-chip:hover {
    border-color: var(--gold-color);
    color: var(--primary-color);
}

.amount-chip.active {
    background: var(--gold-color);
    border-color: var(--gold-color);
    color: #ffffff;
}

/* Card Input wrapper with absolute Brand icon */
.darus-card-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.darus-card-brand-logo {
    position: absolute;
    right: 15px;
    font-weight: 900;
    font-size: 13.5px;
    font-style: italic;
    color: #94a3b8;
    pointer-events: none;
}

/* Security Trust seals grid */
.darus-security-badge-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 15px;
}

.security-seal-badge {
    background: #f8fafc;
    border: 1px solid var(--border-color);
    padding: 12px 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.security-seal-badge i {
    font-size: 20px;
}

.text-success { color: #10b981; }
.text-primary { color: #1e3a8a; }

.seal-info {
    display: flex;
    flex-direction: column;
}

.seal-info strong {
    font-size: 11px;
    font-weight: 800;
    color: var(--primary-color);
}

.seal-info span {
    font-size: 9px;
    color: var(--text-muted);
    font-weight: 600;
}

/* Form layout wrappers */
.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.form-group label {
    font-size: 13px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 6px;
}

/* Bank Accounts Grid */
.bank-accounts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 25px;
    margin-bottom: 45px;
}

.bank-card-box {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bank-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.bank-card-name {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.text-vakif { color: #1e3a8a; }
.text-ziraat { color: #b91c1c; }
.text-kuveyt { color: #047857; }

.bank-card-header i {
    font-size: 20px;
    color: var(--gold-color);
}

.bank-card-detail {
    display: flex;
    flex-direction: column;
    font-size: 13.5px;
}

.bank-card-detail span {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
}

.bank-card-detail strong {
    color: var(--primary-color);
}

.bank-card-iban-block {
    display: flex;
    flex-direction: column;
}

.bank-card-iban-block span {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.bank-iban-wrapper {
    display: flex;
    align-items: center;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    justify-content: space-between;
}

.iban-code {
    font-family: monospace;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--primary-color);
}

.btn-copy-iban {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--gold-color);
    font-size: 14px;
    transition: var(--transition);
}

.btn-copy-iban:hover {
    transform: scale(1.1);
}

/* Ripple effect on copy */
@keyframes copy-ripple {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

.copy-success-ripple {
    animation: copy-ripple 0.4s ease-out;
}

/* Havale EFT Bildirim Box */
.donation-notification-box {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.donation-box-title {
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--primary-color);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Payment Simulated Overlays */
.payment-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(5px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.payment-overlay-card {
    background: #ffffff;
    border-radius: var(--radius-lg);
    padding: 40px;
    max-width: 450px;
    width: 100%;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.secure-3d-card {
    padding: 0;
    overflow: hidden;
}

.secure-3d-header {
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.secure-3d-body {
    padding: 24px;
}

/* Spinner anim */
.payment-spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #e2e8f0;
    border-top: 5px solid var(--gold-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.payment-overlay-card h4 {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.payment-overlay-card p {
    font-size: 13.5px;
    color: var(--text-muted);
}

/* Responsive elements for donation layout */
@media (max-width: 900px) {
    .darus-donation-layout {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 25px;
    }
    .form-row-2 {
        grid-template-columns: 1fr;
    }
    .darus-security-badge-grid {
        grid-template-columns: 1fr;
    }
}

/* Corporate Page Layout (Hakkımızda, Vakıf Senedi, vb.) */
.corporate-banner {
    position: relative;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    padding: 60px 0;
    color: #ffffff;
    border-bottom: 3px solid var(--gold-color);
    overflow: hidden;
}

.corporate-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(var(--gold-color) 0.8px, transparent 0.8px);
    background-size: 16px 16px;
    opacity: 0.05;
    pointer-events: none;
}

.corporate-banner-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.corporate-banner .breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0 0 15px 0;
    font-size: 13px;
    color: #94a3b8;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.corporate-banner .breadcrumbs a {
    color: #94a3b8;
    transition: var(--transition);
}

.corporate-banner .breadcrumbs a:hover {
    color: var(--gold-color);
}

.corporate-banner .breadcrumbs .active {
    color: var(--gold-color);
    font-weight: 700;
}

.corporate-banner .breadcrumbs i {
    font-size: 10px;
}

.corporate-title {
    font-family: var(--font-serif);
    font-size: 36px;
    font-weight: 800;
    color: #ffffff;
    margin: 0;
    position: relative;
    display: inline-block;
}

.corporate-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--gold-color);
    border-radius: 2px;
}

/* Corporate Layout Columns */
.corporate-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
    align-items: start;
    margin-top: 40px;
    margin-bottom: 60px;
}

/* Sidebar Menu styling */
.corporate-sidebar {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 100px;
}

.sidebar-menu-title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 800;
    color: var(--primary-color);
    margin: 0 0 20px 0;
    padding-bottom: 12px;
    border-bottom: 1.5px solid var(--border-color);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-menu-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-menu-list li a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 6px;
    color: var(--text-color);
    font-size: 14.5px;
    font-weight: 600;
    transition: all 0.25s ease;
    border-left: 3px solid transparent;
}

.sidebar-menu-list li a i {
    font-size: 15px;
    color: var(--text-muted);
    transition: var(--transition);
}

.sidebar-menu-list li a:hover {
    background: var(--bg-alt);
    color: var(--primary-color);
    border-left-color: var(--border-color);
}

.sidebar-menu-list li a.active {
    background: rgba(15, 23, 42, 0.04);
    color: var(--primary-color);
    border-left-color: var(--gold-color);
}

.sidebar-menu-list li a.active i {
    color: var(--gold-color);
}

/* Content Panel */
.corporate-main-content {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.corporate-content-body {
    font-size: 16px;
    line-height: 1.85;
    color: #334155;
}

.corporate-content-body p {
    margin-bottom: 20px;
}

.corporate-content-body h2 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 800;
    color: var(--primary-color);
    margin: 35px 0 15px 0;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
}

.corporate-content-body h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 30px 0 12px 0;
}

/* ============================================
   ABOUT PAGE (Hakkımızda) - Sade & Agirbasli
   ============================================ */

.corporate-main-content.about-main {
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    padding: 0;
}

.about-page {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

/* Hero */
.about-hero {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 40px;
}

.about-hero-title {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1.4;
    margin: 0 0 16px;
}

.about-hero-desc {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-hero-links {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.about-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: var(--gold-color);
}

.about-link:hover {
    color: var(--gold-color);
}

/* Misyon & Vizyon */
.about-mv-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about-mv-block {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px 30px;
}

.about-mv-block h3 {
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 12px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.about-mv-block p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.75;
    margin: 0;
}

/* Section Block */
.about-section-block {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px 30px;
}

.about-section-block h3 {
    font-family: var(--font-serif);
    font-size: 19px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 14px;
}

.about-section-block p {
    font-size: 14.5px;
    color: var(--text-muted);
    line-height: 1.8;
    margin: 0 0 12px;
}

.about-section-block p:last-child {
    margin-bottom: 0;
}

/* Work Areas Simple */
.about-work-simple {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.about-work-simple-item {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 22px 20px;
}

.about-work-simple-item h4 {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0 0 8px;
}

.about-work-simple-item p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.65;
    margin: 0;
}

/* Principles Simple */
.about-principles-simple {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 6px;
}

.about-principles-simple li {
    font-size: 14px;
    color: var(--primary-color);
    font-weight: 600;
    padding-left: 18px;
    position: relative;
}

.about-principles-simple li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 6px;
    height: 6px;
    background: var(--gold-color);
    border-radius: 50%;
}

/* Bottom Simple */
.about-bottom-simple {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about-contact-simple {
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 28px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    gap: 12px;
}

.about-contact-simple h4 {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0;
}

.about-contact-simple p {
    font-size: 13.5px;
    color: var(--text-muted);
    line-height: 1.6;
    margin: 0;
}

/* ============================================
   MOBILE RESPONSIVE HEADER / NAVIGATION SYSTEM
   ============================================ */

/* Hamburger Button */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 10px;
    cursor: pointer;
    z-index: 1100;
    transition: all 0.3s ease;
    position: relative;
}

.menu-toggle:hover {
    background: rgba(212, 175, 55, 0.12);
    border-color: var(--gold-color);
}

/* Hamburger animated bars */
.menu-toggle .hamburger-line {
    display: block;
    width: 22px;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    position: absolute;
}

.menu-toggle .hamburger-line:nth-child(1) {
    transform: translateY(-7px);
}

.menu-toggle .hamburger-line:nth-child(3) {
    transform: translateY(7px);
}

/* Hamburger → X animation */
.menu-toggle.mobile-active .hamburger-line:nth-child(1) {
    transform: translateY(0) rotate(45deg);
}

.menu-toggle.mobile-active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle.mobile-active .hamburger-line:nth-child(3) {
    transform: translateY(0) rotate(-45deg);
}

/* Mobile Nav Overlay */
.nav-mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(12, 26, 48, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 1050;
}

/* ============================================
   RESPONSIVE BREAKPOINT: max-width 991px
   ============================================ */
@media (max-width: 991px) {
    
    /* --- Hamburger Button Visible --- */
    .menu-toggle {
        display: flex;
    }

    /* --- Topbar Mobile Adjustments --- */
    .ed-topbar {
        padding: 12px 0;
    }

    .ed-topbar-container {
        gap: 15px;
    }

    /* Hide search widget, phone, and socials on mobile */
    .ed-search-widget,
    .ed-topbar-phone,
    .ed-topbar-socials {
        display: none !important;
    }

    .ed-topbar-logo img {
        height: 42px;
    }

    .ed-logo-title {
        font-size: 20px;
    }

    .ed-logo-slogan {
        font-size: 7.5px;
    }

    /* --- Glass Navbar Mobile --- */
    .mobile-header-logo {
        display: flex !important;
    }

    .ed-navigation {
        width: auto !important;
    }

    .ed-header {
        position: sticky;
        top: 0;
    }

    .ed-header-container {
        height: 56px;
        justify-content: flex-end;
        display: flex;
        align-items: center;
    }

    /* Hide standard nav menu */
    .ed-navigation .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 320px;
        max-width: 85vw;
        height: 100vh;
        height: 100dvh;
        background: rgba(12, 26, 48, 0.98);
        backdrop-filter: blur(30px);
        -webkit-backdrop-filter: blur(30px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        gap: 0;
        padding: 80px 24px 40px;
        z-index: 1060;
        transition: right 0.45s cubic-bezier(0.4, 0, 0.2, 1);
        overflow-y: auto;
        border-left: 1px solid rgba(212, 175, 55, 0.2);
        box-shadow: -8px 0 40px rgba(0, 0, 0, 0.3);
    }

    /* Menu open state */
    .ed-navigation .nav-menu.mobile-active {
        right: 0;
    }

    /* Overlay visible */
    .nav-mobile-overlay.mobile-active {
        display: block;
    }

    /* Mobile nav links */
    .ed-navigation .nav-link {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 18px;
        font-size: 15px;
        font-weight: 600;
        color: #cbd5e1;
        border-radius: 12px;
        border: 1px solid transparent;
        margin-bottom: 4px;
    }

    .ed-navigation .nav-link:hover {
        background: rgba(255, 255, 255, 0.06);
        border-color: rgba(212, 175, 55, 0.15);
        color: #ffffff;
    }

    /* Mobile bagis butonu */
    .ed-navigation .nav-link-bagis {
        color: var(--gold-color) !important;
        border-color: rgba(212, 175, 55, 0.4) !important;
        background: rgba(212, 175, 55, 0.08) !important;
        margin-top: 8px;
        justify-content: center;
        font-size: 14px;
    }

    .ed-navigation .nav-link-bagis:hover {
        background: var(--gold-color) !important;
        color: var(--primary-color) !important;
    }

    /* --- Dropdown Mobile --- */
    .dropdown-item {
        position: relative;
    }

    .dropdown-item .dropdown-toggle {
        pointer-events: auto;
    }

    .dropdown-item .dropdown-toggle i {
        transition: transform 0.3s ease;
        pointer-events: none;
        padding: 6px 10px;
    }

    .dropdown-menu-list {
        display: none;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.06);
        border-radius: 12px;
        margin: 4px 0 8px;
        padding: 8px 0;
        overflow: hidden;
    }

    .dropdown-menu-list.dropdown-open {
        display: flex;
    }

    .dropdown-menu-list li {
        list-style: none;
    }

    .dropdown-menu-list a {
        display: block;
        padding: 10px 18px 10px 42px;
        font-size: 13.5px;
        color: #cbd5e1;
        font-weight: 500;
        transition: all 0.2s ease;
        position: relative;
    }

    .dropdown-menu-list a::before {
        content: '';
        position: absolute;
        left: 28px;
        top: 50%;
        transform: translateY(-50%);
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--gold-color);
        opacity: 0.5;
        transition: all 0.2s ease;
    }

    .dropdown-menu-list a:hover {
        color: #ffffff;
        background: rgba(212, 175, 55, 0.06);
    }
    
    .dropdown-menu-list a:hover::before {
        opacity: 1;
        transform: translateY(-50%) scale(1.5);
    }

    /* Mobile Social Links inside menu */
    .mobile-socials {
        display: flex;
        gap: 10px;
        margin-top: 24px;
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }

    .mobile-socials a {
        width: 36px;
        height: 36px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #cbd5e1;
        font-size: 14px;
        transition: all 0.3s ease;
    }

    .mobile-socials a:hover {
        background: var(--gold-color);
        color: #ffffff;
        border-color: var(--gold-color);
    }

    /* Mobile Phone Link inside menu */
    .mobile-phone-link {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-top: 16px;
        padding: 12px 16px;
        background: rgba(255, 255, 255, 0.04);
        border-radius: 10px;
        color: #cbd5e1;
        font-size: 13.5px;
        font-weight: 600;
    }

    .mobile-phone-link i {
        color: var(--gold-color);
    }

    /* --- Corporate / About responsive --- */
    .corporate-layout {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 25px;
    }
    .corporate-sidebar {
        position: static;
        padding: 20px;
    }
    .corporate-main-content {
        padding: 25px;
    }
    .about-hero-panel {
        padding: 26px;
    }
    .about-hero-panel h2 {
        font-size: 28px;
    }
    .about-fact-grid,
    .about-work-grid,
    .about-principles,
    .about-contact-strip {
        grid-template-columns: 1fr;
    }
    .about-contact-strip {
        align-items: stretch;
    }
    .about-contact-strip .about-action {
        width: 100%;
    }
}

/* ============================================
   RESPONSIVE BREAKPOINT: max-width 600px
   ============================================ */
@media (max-width: 600px) {
    
    /* Hamburger daha kucuk */
    .menu-toggle {
        width: 40px;
        height: 40px;
        border-radius: 8px;
    }

    .menu-toggle .hamburger-line {
        width: 18px;
    }

    /* Nav panel tam genislik */
    .ed-navigation .nav-menu {
        width: 100%;
        max-width: 100vw;
        padding: 70px 20px 30px;
    }

    .ed-topbar-logo img {
        height: 36px;
    }

    .ed-logo-title {
        font-size: 18px;
    }

    /* Corporate / About responsive */
    .about-hero-panel {
        padding: 22px;
    }
    .about-hero-panel h2 {
        font-size: 24px;
    }
    .about-hero-panel p {
        font-size: 15.5px;
    }
    .about-action {
        width: 100%;
    }
    .about-section {
        padding-left: 18px;
    }
    .about-principles,
    .about-contact-strip {
        padding: 22px;
    }
}

/* ==========================================================================
   VAV STYLE INTERACTIVE CALENDAR TIMELINE
   ========================================================================== */
.vav-calendar-container {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    margin-top: 30px;
    box-shadow: var(--shadow-sm);
}

.vav-date-selector {
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 25px;
}

.vav-date-row-wrapper {
    flex: 1;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
}
.vav-date-row-wrapper::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
}

.vav-date-row {
    display: flex;
    gap: 12px;
}

.vav-scroll-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.vav-scroll-btn:hover {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.vav-date-item {
    flex: 0 0 160px;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
    transition: var(--transition);
    background: #fbfbf9;
}
.vav-date-item:hover {
    border-color: var(--gold-color);
    background: rgba(197, 160, 89, 0.03);
}
.vav-date-item.active {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.vav-d-num {
    font-size: 28px;
    font-weight: 700;
    font-family: var(--font-serif);
    line-height: 1;
    color: var(--primary-color);
    transition: var(--transition);
}
.vav-date-item.active .vav-d-num {
    color: var(--gold-color);
}

.vav-d-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.vav-d-month {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}
.vav-date-item.active .vav-d-month {
    color: rgba(255, 255, 255, 0.6);
}
.vav-d-week {
    font-size: 13px;
    font-weight: 600;
}

/* Schedule Flow rows */
.vav-schedule-flow {
    display: flex;
    flex-direction: column;
}
.vav-schedule-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 0;
    border-bottom: 1px solid var(--border-color);
    gap: 20px;
    animation: fadeInCalendar 0.4s ease;
}
.vav-schedule-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.vav-time-col {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 0 0 180px;
}
.vav-time {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
    font-family: var(--font-serif);
}
.vav-badge {
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1px;
    padding: 3px 10px;
    border-radius: 20px;
    text-transform: uppercase;
}
.vav-badge.now {
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.3);
}
.vav-badge.upcoming {
    background: rgba(197, 160, 89, 0.1);
    color: var(--gold-color);
    border: 1px solid rgba(197, 160, 89, 0.3);
}

.vav-info-col {
    flex: 1;
}
.vav-event-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--primary-color);
    line-height: 1.4;
}
.vav-event-meta {
    display: flex;
    gap: 15px;
    font-size: 12.5px;
    color: var(--text-muted);
}
.vav-event-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.vav-action-col {
    flex: 0 0 120px;
    text-align: right;
}
.vav-details-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--gold-color);
    font-size: 13.5px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition);
}
.vav-details-btn:hover {
    color: var(--primary-color);
    transform: translateX(3px);
}

.vav-no-events {
    padding: 60px 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14.5px;
}

@keyframes fadeInCalendar {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .vav-schedule-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    .vav-time-col {
        flex: auto;
        width: 100%;
        justify-content: space-between;
    }
    .vav-action-col {
        width: 100%;
        text-align: left;
        margin-top: 5px;
    }
}

/* User Account responsive toggle helpers */
.desktop-only-user {
    display: inline-flex !important;
}
.mobile-only-user {
    display: none !important;
}

@media (max-width: 991px) {
    .desktop-only-user {
        display: none !important;
    }
    .mobile-only-user {
        display: block !important;
    }
}

/* E-Reader Night Mode and Fullscreen CSS upgrades */
.pdf-canvas-wrapper.night-mode canvas {
    filter: invert(0.9) hue-rotate(180deg) contrast(1.1) brightness(0.95);
    background: #0b0f19;
}

.pdf-modal-content:fullscreen {
    width: 100vw !important;
    height: 100vh !important;
    max-width: 100vw !important;
    max-height: 100vh !important;
    border: none !important;
    border-radius: 0 !important;
}

@media (max-width: 576px) {
    .pdf-controls {
        gap: 5px !important;
        padding: 4px 8px !important;
    }
    .pdf-ctrl-btn {
        padding: 2px 4px !important;
        font-size: 11px !important;
    }
    .pdf-zoom-indicator,
    .pdf-page-indicator {
        font-size: 11px !important;
    }
    #page_num_input {
        width: 32px !important;
        font-size: 11px !important;
        height: 20px !important;
    }
    .pdf-ctrl-divider {
        margin: 0 2px !important;
    }
}

/* Comprehensive Mobile Responsiveness Improvements */
@media (max-width: 992px) {
    .eduna-hero-img-wrapper {
        width: 280px !important;
        height: 280px !important;
    }
    .eduna-hero-logo {
        width: 200px !important;
        height: 200px !important;
    }
    .eduna-hero {
        padding: 40px 15px 50px !important;
    }
    .eduna-categories-container {
        padding: 15px !important;
    }
}

@media (max-width: 768px) {
    .section-title {
        font-size: 24px !important;
    }
    .section-title span {
        font-size: 11.5px !important;
    }
    .eduna-section-head-title {
        font-size: 24px !important;
    }
    .hero-title {
        font-size: 30px !important;
    }
    .hero-subtitle {
        font-size: 14px !important;
    }
    .vav-calendar-container {
        padding: 15px !important;
        margin-top: 15px !important;
    }
    .vav-date-selector {
        gap: 8px !important;
        margin-bottom: 15px !important;
        padding-bottom: 10px !important;
    }
    .vav-scroll-btn {
        width: 30px !important;
        height: 30px !important;
        font-size: 12px !important;
    }
    .detail-main {
        padding: 20px !important;
    }
    .detail-layout {
        gap: 20px !important;
    }
    .quick-actions {
        margin: 20px auto 25px !important;
        gap: 15px !important;
        padding: 0 15px !important;
    }
    .action-card {
        padding: 20px 15px !important;
        gap: 10px !important;
    }
    footer {
        margin-top: 40px !important;
        padding: 40px 15px 20px !important;
    }
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    select,
    textarea {
        font-size: 16px !important;
    }
}

@media (max-width: 576px) {
    .section-header {
        flex-direction: column !important;
        align-items: flex-start !important;
        gap: 10px !important;
    }
    .section-header .read-more {
        align-self: flex-start !important;
        margin-top: 5px !important;
    }
    .featured-media-section {
        padding: 10px 10px 20px !important;
    }
    .playlist-item {
        padding: 10px !important;
    }
    form button[type="submit"],
    form .btn-gold {
        width: 100% !important;
        justify-content: center !important;
        padding: 14px 20px !important;
        font-size: 15px !important;
    }
}

@media (max-width: 480px) {
    .eduna-hero-img-wrapper {
        width: 220px !important;
        height: 220px !important;
    }
    .eduna-hero-logo {
        width: 150px !important;
        height: 150px !important;
    }
    .hero-title {
        font-size: 26px !important;
    }
    .hero-subtitle {
        font-size: 13px !important;
    }
    .eduna-hero-buttons {
        flex-direction: column !important;
        align-items: stretch !important;
        width: 100% !important;
    }
    .eduna-hero-buttons .btn {
        width: 100% !important;
        justify-content: center !important;
    }
}

/* Floating Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 46px;
    height: 46px;
    background: var(--primary-color);
    border: 2px solid var(--gold-color);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--gold-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* ==========================================================================
   PREMIUM UI/UX DESIGN & ANIMATIONS UPGRADES (REVERSIBLE VIA BODY CLASS)
   ========================================================================== */

/* 1. Scroll Entrance Animations (Scroll Reveal) */
.premium-ux .reveal-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, opacity;
}

.premium-ux .reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Delay helpers for reveal grids */
.premium-ux .delay-1 { transition-delay: 0.1s; }
.premium-ux .delay-2 { transition-delay: 0.2s; }
.premium-ux .delay-3 { transition-delay: 0.3s; }
.premium-ux .delay-4 { transition-delay: 0.4s; }

/* 2. Card Hover & Zoom Effects */
.premium-ux .card,
.premium-ux .action-card,
.premium-ux .eduna-category-card,
.premium-ux .book-card {
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.5s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.premium-ux .card:hover,
.premium-ux .action-card:hover,
.premium-ux .eduna-category-card:hover,
.premium-ux .book-card:hover {
    transform: translateY(-6px) !important;
    border-color: var(--gold-color) !important;
    box-shadow: 0 16px 36px rgba(12, 26, 48, 0.12), 0 0 25px rgba(212, 175, 55, 0.18) !important;
}

/* Image zoom effect for seminer videos cards */
.premium-ux .card-img {
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1) !important;
}
.premium-ux .card:hover .card-img {
    transform: scale(1.05) !important;
}

/* Micro-interaction on card play icon */
.premium-ux .video-play-btn {
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), background-color 0.3s ease, color 0.3s ease !important;
}
.premium-ux .card:hover .video-play-btn {
    transform: translate(-50%, -50%) scale(1.15) rotate(12deg) !important;
    background: var(--gold-color) !important;
    color: var(--primary-color) !important;
}

/* 3. Gold Glow Accents */
.premium-ux .btn-gold:hover,
.premium-ux .ed-search-btn:hover {
    box-shadow: 0 0 18px rgba(212, 175, 55, 0.45) !important;
}

.premium-ux .vav-date-item {
    transition: all 0.45s cubic-bezier(0.16, 1, 0.3, 1) !important;
}
.premium-ux .vav-date-item.active {
    box-shadow: 0 0 18px rgba(212, 175, 55, 0.25) !important;
}

/* 4. E-Kitap Reader Modal Transitions */
.premium-ux .pdf-modal {
    opacity: 0;
    transition: opacity 0.3s ease-out !important;
}
.premium-ux .pdf-modal.show-active {
    opacity: 1;
}

.premium-ux .pdf-modal-content {
    transform: scale(0.95) translateY(15px);
    opacity: 0;
    transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.45s ease-out !important;
}
.premium-ux .pdf-modal.show-active .pdf-modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* 5. Typography and Readability Polishing */
.premium-ux .detail-main {
    line-height: 1.95 !important;
}

.premium-ux .detail-content p {
    font-size: 16px !important;
    letter-spacing: -0.15px !important;
    margin-bottom: 25px !important;
    color: #1e293b !important;
}

/* ==========================================================================
   E-KITAP GÜVENLİK VE KOPYALAMA KORUMASI
   ========================================================================== */

/* 1. Ekran Yazdırma (Print to PDF) Engelleme */
@media print {
    body, html, .pdf-modal, .pdf-modal-content, .pdf-canvas-wrapper, canvas {
        display: none !important;
        visibility: hidden !important;
    }
}

/* 2. Seçme ve Sağ Tık Korumaları */
.pdf-modal {
    user-select: none !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
}

/* 3. Filigran (Watermark) Katmanı */
.pdf-watermark {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    z-index: 10;
    opacity: 0.07;
}

.pdf-watermark-text {
    font-size: 2.8rem;
    font-weight: 900;
    color: #ffffff;
    transform: rotate(-30deg);
    white-space: nowrap;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    text-transform: uppercase;
    letter-spacing: 5px;
}

.sepia-mode .pdf-watermark-text {
    color: #854d0e !important;
    opacity: 0.12;
}

.night-mode .pdf-watermark-text {
    color: #ffffff !important;
    opacity: 0.04;
}

/* ==========================================================================
   3D SAYFA ÇEVİRME (PAGE-FLIP) GEÇİŞ EFFECTİ
   ========================================================================== */

.pdf-canvas-wrapper {
    perspective: 1600px;
    transform-style: preserve-3d;
    position: relative;
}

.pdf-flip-overlay-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 15;
    transform-style: preserve-3d;
}

.pdf-flip-leaf {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform 0.55s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 16;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
    background: #ffffff;
}

.pdf-flip-leaf.flip-next-leaf {
    left: 0;
    transform-origin: left center;
}

.pdf-flip-leaf.flip-prev-leaf {
    right: 0;
    transform-origin: right center;
}

.pdf-flip-leaf-face {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    overflow: hidden;
    background: #ffffff;
    box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.08);
}

.pdf-flip-leaf-face.back {
    transform: rotateY(180deg);
}

.pdf-flip-leaf-face img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Sepya ve Gece modlarında dönen yaprak rengi uyumu */
.sepia-mode .pdf-flip-leaf, 
.sepia-mode .pdf-flip-leaf-face {
    background: #f4ecd8 !important;
}

.night-mode .pdf-flip-leaf, 
.night-mode .pdf-flip-leaf-face {
    background: #0f172a !important;
}

/* ==========================================================================
   MODULAR UI/UX ENHANCEMENTS (Vakıf & Akademik Portal Eklentileri)
   ========================================================================== */

/* 1. Reading Progress Bar (Sayfa Okuma İlerleme Çubuğu) */
#readingProgressBar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3.5px;
    width: 0%;
    background: linear-gradient(90deg, #d4af37, #f6e08c);
    z-index: 99999;
    transition: width 0.1s ease-out;
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
    border-top-right-radius: 2px;
    border-bottom-right-radius: 2px;
}

/* 2. Reading Preferences Bar (Okuma Modu & Tipografi Ayarları) */
.reading-pref-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 10px 18px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
    gap: 12px;
}

.reading-pref-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.reading-pref-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-right: 4px;
}

.btn-pref {
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-pref:hover, .btn-pref.active {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.btn-pref.btn-sepia-pref:hover, .btn-pref.btn-sepia-pref.active {
    background: #e8dcc4;
    color: #433422;
    border-color: #d8c8a8;
}

.btn-pref.btn-night-pref:hover, .btn-pref.btn-night-pref.active {
    background: #0f172a;
    color: #e2e8f0;
    border-color: #334155;
}

/* Okuma Modu Renk Şemaları (Detail İçerik Alanı İçin) */
.detail-content-wrapper.mode-sepia {
    background: #fbf7ee !important;
    color: #3a2e1d !important;
    padding: 25px;
    border-radius: var(--radius-md);
    border: 1px solid #e8dcc4;
}
.detail-content-wrapper.mode-sepia * {
    color: #3a2e1d !important;
}

.detail-content-wrapper.mode-night {
    background: #0b1120 !important;
    color: #cbd5e1 !important;
    padding: 25px;
    border-radius: var(--radius-md);
    border: 1px solid #1e293b;
}
.detail-content-wrapper.mode-night * {
    color: #cbd5e1 !important;
}
.detail-content-wrapper.mode-night a {
    color: var(--gold-color) !important;
}

/* 3. Table of Contents (İçindekiler Tablosu) */
.detail-toc-box {
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--gold-color);
    border-radius: var(--radius-sm);
    padding: 18px 22px;
    margin: 25px 0 35px 0;
    box-shadow: var(--shadow-sm);
}

.toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.toc-title {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
}

.toc-toggle-btn {
    font-size: 12px;
    color: var(--text-muted);
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 14px 0 0 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.toc-item {
    font-size: 13.5px;
    line-height: 1.5;
}

.toc-item.toc-h3 {
    padding-left: 18px;
    font-size: 13px;
    opacity: 0.9;
}

.toc-link {
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
}

.toc-link:hover, .toc-link.active {
    color: var(--primary-color);
    font-weight: 600;
    transform: translateX(4px);
}

.toc-link::before {
    content: "•";
    color: var(--gold-color);
    font-size: 16px;
    line-height: 0;
}

/* 4. Academic Citation (Alıntılama Modalı & Kutusu) */
.btn-cite-action {
    background: rgba(212, 175, 55, 0.1);
    color: var(--primary-color);
    border: 1px solid var(--gold-color);
    padding: 7px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.btn-cite-action:hover {
    background: var(--gold-color);
    color: #ffffff;
}

.cite-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(12, 26, 48, 0.7);
    backdrop-filter: blur(6px);
    z-index: 100000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.cite-modal-container {
    background: #ffffff;
    border-radius: var(--radius-md);
    max-width: 600px;
    width: 100%;
    padding: 28px;
    box-shadow: var(--shadow-lg);
    position: relative;
    animation: modalScaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalScaleUp {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.cite-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--gold-color);
    padding-bottom: 12px;
    margin-bottom: 18px;
}

.cite-modal-header h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--primary-color);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.cite-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
}

.cite-tab-btn {
    padding: 6px 14px;
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    color: var(--text-muted);
}

.cite-tab-btn.active {
    background: var(--primary-color);
    color: #ffffff;
    border-color: var(--primary-color);
}

.cite-code-box {
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 14px;
    font-family: monospace;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-main);
    word-break: break-word;
    position: relative;
}

/* 5. Arama Vurgulama & Öneri Çipleri (Search Highlights & Chips) */
.search-highlight {
    background: rgba(212, 175, 55, 0.28);
    color: var(--primary-color);
    padding: 0 3px;
    border-radius: 3px;
    font-weight: 700;
}

.search-chips-container {
    padding: 12px 14px;
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
}

.search-chips-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.search-chips-list {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.search-chip {
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11.5px;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    transition: all 0.2s ease;
}

.search-chip:hover {
    border-color: var(--gold-color);
    background: rgba(212, 175, 55, 0.08);
    color: var(--primary-color);
}

.ed-search-item.keyboard-selected {
    background: rgba(212, 175, 55, 0.12) !important;
    border-left: 3px solid var(--gold-color);
}

/* 6. Mobil Sabit Alt Gezinme Çubuğu (Mobile Bottom Navigation Bar) */
.mobile-bottom-nav {
    display: none;
}

@media (max-width: 768px) {
    .mobile-bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 60px;
        background: #0c1a30;
        border-top: 1px solid rgba(212, 175, 55, 0.3);
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
        z-index: 9999;
        justify-content: space-around;
        align-items: center;
        padding: 0 6px;
        padding-bottom: env(safe-area-inset-bottom, 0);
    }
    
    .mobile-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 3px;
        color: #94a3b8;
        text-decoration: none;
        font-size: 10.5px;
        font-weight: 600;
        flex: 1;
        height: 100%;
        transition: color 0.2s ease;
    }
    
    .mobile-nav-item i {
        font-size: 17px;
    }
    
    .mobile-nav-item.active, .mobile-nav-item:active {
        color: var(--gold-color);
    }
    
    /* Sayfa sonunun alt bara yapışmaması için boşluk */
    body {
        padding-bottom: 70px !important;
    }
}

/* 7. 3D E-Kitap Kitaplığı & Kapak Derinliği */
.book-card {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease !important;
}

.book-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 16px 36px rgba(12, 26, 48, 0.12), 0 0 20px rgba(212, 175, 55, 0.15);
}

.book-cover {
    position: relative;
    box-shadow: inset 5px 0 10px rgba(0, 0, 0, 0.15), 3px 6px 16px rgba(0, 0, 0, 0.1);
    border-left: 6px solid #081222;
}

/* 8. Bağış Sayfası Şeffaflık & Etki İnfografiği (Impact Cards) */
.impact-section {
    margin-top: 40px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 30px;
    box-shadow: var(--shadow-sm);
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.impact-card {
    background: var(--bg-alt);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.impact-card:hover {
    border-color: var(--gold-color);
    transform: translateY(-4px);
    background: #ffffff;
    box-shadow: var(--shadow-md);
}

.impact-icon {
    width: 48px;
    height: 48px;
    background: rgba(212, 175, 55, 0.12);
    color: var(--gold-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin: 0 auto 12px auto;
}

.impact-card h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 6px;
}

.impact-card p {
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.5;
    margin: 0;
}

/* 9. IBAN Kopyalama Tooltip */
.iban-tooltip-box {
    position: absolute;
    top: -30px;
    right: 0;
    background: #10b981;
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 4px;
    box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
    animation: fadeInTooltip 0.2s ease-out;
}

@keyframes fadeInTooltip {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 10. Seminer Hızlı Kayıt Modalı (Quick RSVP Modal) */
.rsvp-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(12, 26, 48, 0.7);
    backdrop-filter: blur(6px);
    z-index: 100000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.rsvp-modal-content {
    background: #ffffff;
    border-radius: var(--radius-md);
    max-width: 500px;
    width: 100%;
    padding: 30px;
    box-shadow: var(--shadow-lg);
    border-top: 5px solid var(--gold-color);
    animation: modalScaleUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}