/**
 * Bilişim Akademi - Ana Stil Dosyası
 * 
 * Bilişim Teknolojileri ve Yazılım Dersi Teması
 * Modern, Zarif, Pedagojik ve Hızlı Tasarım
 */

/* ==========================================================================
   1. DEĞİŞKENLER VE TEMEL RENK PALETİ
   ========================================================================== */
:root {
	/* Renkler - Aydınlık Mod */
	--color-primary: #2563eb;
	--color-primary-dark: #1d4ed8;
	--color-primary-light: #eff6ff;
	--color-accent: #06b6d4;
	--color-accent-dark: #0891b2;
	--color-success: #10b981;
	--color-warning: #f59e0b;
	--color-danger: #ef4444;

	--color-bg-site: #f8fafc;
	--color-bg-card: #ffffff;
	--color-bg-subtle: #f1f5f9;
	--color-bg-hover: #e2e8f0;

	--color-text-main: #0f172a;
	--color-text-muted: #64748b;
	--color-text-subtle: #94a3b8;
	--color-border: #e2e8f0;
	--color-border-subtle: #f1f5f9;

	/* Tipografi */
	--font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
	--font-mono: 'JetBrains Mono', 'Fira Code', Menlo, Consolas, monospace;

	/* Gölgeler & Yuvarlama */
	--radius-sm: 8px;
	--radius-md: 12px;
	--radius-lg: 18px;
	--radius-full: 9999px;

	--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
	--shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.07), 0 2px 4px -2px rgb(0 0 0 / 0.05);
	--shadow-lg: 0 10px 25px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.04);
	--shadow-xl: 0 20px 30px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.06);

	--transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
	--transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Karanlık Mod */
[data-theme="dark"] {
	--color-primary: #3b82f6;
	--color-primary-dark: #60a5fa;
	--color-primary-light: rgba(59, 130, 246, 0.15);
	--color-accent: #22d3ee;
	--color-accent-dark: #06b6d4;

	--color-bg-site: #090d16;
	--color-bg-card: #111827;
	--color-bg-subtle: #1e293b;
	--color-bg-hover: #334155;

	--color-text-main: #f8fafc;
	--color-text-muted: #94a3b8;
	--color-text-subtle: #64748b;
	--color-border: #1e293b;
	--color-border-subtle: #162032;

	--shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.4);
	--shadow-md: 0 4px 10px -1px rgb(0 0 0 / 0.5);
	--shadow-lg: 0 10px 25px -3px rgb(0 0 0 / 0.6);
}

/* ==========================================================================
   2. GENEL SIFIRLAMA VE TEMEL ÖGELER
   ========================================================================== */
*, *::before, *::after {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

html {
	font-size: 16px;
	scroll-behavior: smooth;
	-webkit-text-size-adjust: 100%;
}

body {
	font-family: var(--font-sans);
	font-size: 1rem;
	line-height: 1.65;
	color: var(--color-text-main);
	background-color: var(--color-bg-site);
	transition: background-color var(--transition-base), color var(--transition-base);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}

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

a:hover {
	color: var(--color-primary-dark);
}

img, svg, video {
	max-width: 100%;
	height: auto;
	display: block;
}

ul, ol {
	list-style: none;
}

button, input, textarea, select {
	font-family: inherit;
	font-size: inherit;
	color: inherit;
}

.bty-container {
	width: 100%;
	max-width: 1240px;
	margin-left: auto;
	margin-right: auto;
	padding-left: 20px;
	padding-right: 20px;
}

.screen-reader-text {
	border: 0;
	clip: rect(1px, 1px, 1px, 1px);
	clip-path: inset(50%);
	height: 1px;
	margin: -1px;
	overflow: hidden;
	padding: 0;
	position: absolute !important;
	width: 1px;
	word-wrap: normal !important;
}

/* ==========================================================================
   3. BUTONLAR, ROZETLER VE ETİKETLER
   ========================================================================== */
.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	font-weight: 600;
	padding: 10px 20px;
	border-radius: var(--radius-md);
	border: 1px solid transparent;
	cursor: pointer;
	text-decoration: none;
	transition: all var(--transition-fast);
	line-height: 1.3;
}

.btn-primary {
	background: var(--color-primary);
	color: #ffffff;
	box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
	background: var(--color-primary-dark);
	color: #ffffff;
	transform: translateY(-1px);
	box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
}

.btn-outline {
	background: var(--color-bg-card);
	border-color: var(--color-border);
	color: var(--color-text-main);
}

.btn-outline:hover {
	background: var(--color-bg-subtle);
	border-color: var(--color-primary);
	color: var(--color-primary);
}

.btn-lg {
	padding: 13px 26px;
	font-size: 1.05rem;
	border-radius: var(--radius-md);
}

.btn-sm {
	padding: 7px 14px;
	font-size: 0.88rem;
}

.btn-xs {
	padding: 5px 10px;
	font-size: 0.8rem;
	border-radius: var(--radius-sm);
}

.btn-block {
	width: 100%;
}

.section-pill {
	display: inline-block;
	background: var(--color-primary-light);
	color: var(--color-primary);
	font-size: 0.82rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	padding: 4px 12px;
	border-radius: var(--radius-full);
	margin-bottom: 12px;
}

.text-center {
	text-align: center;
}

/* ==========================================================================
   4. BAŞLIK VE ÜST ÇUBUK (HEADER)
   ========================================================================== */
.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	background: var(--color-bg-card);
	border-bottom: 1px solid var(--color-border);
	box-shadow: var(--shadow-sm);
}

/* Üst Duyuru ve Sınıf Hızlı Seçim Barı */
.top-announcement-bar {
	background: linear-gradient(90deg, #1e3a8a, #0f172a);
	color: #e2e8f0;
	font-size: 0.82rem;
	padding: 6px 0;
	border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-announcement-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 10px;
}

.top-badge {
	display: flex;
	align-items: center;
	gap: 8px;
	font-weight: 500;
}

.pulse-dot {
	width: 8px;
	height: 8px;
	background-color: #10b981;
	border-radius: 50%;
	display: inline-block;
	box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
	animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
	0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
	70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
	100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.top-class-pills {
	display: flex;
	gap: 6px;
	align-items: center;
}

.sinif-pill {
	display: inline-block;
	padding: 3px 10px;
	font-size: 0.75rem;
	font-weight: 600;
	border-radius: var(--radius-full);
	background: rgba(255, 255, 255, 0.12);
	color: #ffffff;
	transition: all var(--transition-fast);
}

.sinif-pill:hover,
.sinif-pill.is-active {
	background: var(--color-primary);
	color: #ffffff;
	transform: translateY(-1px);
}

/* Ana Navigasyon Çubuğu */
.main-header-bar {
	padding: 12px 0;
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
}

.site-branding {
	display: flex;
	align-items: center;
}

.site-logo-link {
	display: flex;
	align-items: center;
	gap: 12px;
	text-decoration: none;
	color: var(--color-text-main);
}

.site-logo-icon {
	width: 44px;
	height: 44px;
	border-radius: var(--radius-md);
	background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
	color: #ffffff;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 10px rgba(37, 99, 235, 0.25);
}

.site-titles {
	display: flex;
	flex-direction: column;
}

.site-title {
	font-size: 1.25rem;
	font-weight: 800;
	letter-spacing: -0.02em;
	line-height: 1.2;
	color: var(--color-text-main);
}

.site-tagline {
	font-size: 0.76rem;
	color: var(--color-text-muted);
	font-weight: 500;
}

/* Menü */
.main-navigation .nav-menu {
	display: flex;
	align-items: center;
	gap: 6px;
}

.main-navigation .nav-menu li {
	position: relative;
}

.main-navigation .nav-menu a {
	display: block;
	padding: 8px 14px;
	font-weight: 600;
	font-size: 0.92rem;
	color: var(--color-text-muted);
	border-radius: var(--radius-sm);
	transition: all var(--transition-fast);
}

.main-navigation .nav-menu a:hover,
.main-navigation .nav-menu .current-menu-item > a {
	color: var(--color-primary);
	background: var(--color-primary-light);
}

/* Alt Menü (Dropdown) */
.main-navigation .nav-menu li.menu-item-has-children:hover > .sub-menu {
	opacity: 1;
	visibility: visible;
	transform: translateY(0);
}

.main-navigation .sub-menu {
	position: absolute;
	top: 100%;
	left: 0;
	min-width: 200px;
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-lg);
	padding: 8px;
	opacity: 0;
	visibility: hidden;
	transform: translateY(8px);
	transition: all var(--transition-fast);
	z-index: 100;
}

.main-navigation .sub-menu a {
	padding: 8px 12px;
	font-size: 0.88rem;
}

/* Başlık Eylemleri */
.header-actions {
	display: flex;
	align-items: center;
	gap: 10px;
}

.header-action-btn {
	width: 40px;
	height: 40px;
	border-radius: var(--radius-full);
	border: 1px solid var(--color-border);
	background: var(--color-bg-subtle);
	color: var(--color-text-muted);
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: all var(--transition-fast);
}

.header-action-btn:hover {
	background: var(--color-bg-hover);
	color: var(--color-primary);
	border-color: var(--color-primary);
}

/* Karanlık Mod Butonu İkon Geçişi */
[data-theme="dark"] .sun-icon {
	display: block;
}
[data-theme="dark"] .moon-icon {
	display: none;
}
.sun-icon {
	display: none;
}
.moon-icon {
	display: block;
}

/* Mobil Menü Butonu */
.mobile-menu-toggle {
	display: none;
	width: 40px;
	height: 40px;
	background: transparent;
	border: 1px solid var(--color-border);
	border-radius: var(--radius-sm);
	cursor: pointer;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 5px;
	padding: 8px;
}

.hamburger-bar {
	display: block;
	width: 20px;
	height: 2px;
	background: var(--color-text-main);
	transition: all var(--transition-fast);
}

/* Arama Çubuğu Overlay */
.search-overlay {
	display: none;
	background: var(--color-bg-card);
	border-bottom: 1px solid var(--color-border);
	padding: 14px 0;
	box-shadow: var(--shadow-md);
}

.search-overlay.is-active {
	display: block;
	animation: slideDown 0.2s ease-out;
}

@keyframes slideDown {
	from { opacity: 0; transform: translateY(-8px); }
	to { opacity: 1; transform: translateY(0); }
}

.search-input-wrap {
	display: flex;
	align-items: center;
	gap: 12px;
	background: var(--color-bg-subtle);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-full);
	padding: 8px 18px;
}

.search-input-wrap svg {
	color: var(--color-text-muted);
	flex-shrink: 0;
}

.search-input-wrap input {
	border: none;
	background: transparent;
	width: 100%;
	font-size: 1rem;
	outline: none;
	color: var(--color-text-main);
}

.search-close-btn {
	background: transparent;
	border: none;
	font-size: 1.5rem;
	cursor: pointer;
	color: var(--color-text-muted);
	padding: 0 4px;
	line-height: 1;
}

/* Mobil Menü Çekmecesi */
.mobile-drawer {
	display: none;
	background: var(--color-bg-card);
	border-bottom: 1px solid var(--color-border);
	padding: 20px;
}

.mobile-drawer.is-active {
	display: block;
}

.mobile-group-title {
	display: block;
	font-size: 0.78rem;
	font-weight: 700;
	text-transform: uppercase;
	color: var(--color-text-muted);
	margin-bottom: 10px;
}

.mobile-sinif-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 8px;
	margin-bottom: 18px;
}

.mobile-sinif-item {
	padding: 8px 12px;
	background: var(--color-bg-subtle);
	border-radius: var(--radius-sm);
	font-weight: 600;
	font-size: 0.88rem;
	text-align: center;
}

.mobile-nav .mobile-menu-items a {
	display: block;
	padding: 10px 0;
	font-weight: 600;
	border-bottom: 1px solid var(--color-border-subtle);
}

/* ==========================================================================
   5. BREADCRUMBS (EKMEK KIRINTISI)
   ========================================================================== */
.bty-breadcrumbs {
	display: flex;
	align-items: center;
	flex-wrap: wrap;
	gap: 8px;
	font-size: 0.84rem;
	color: var(--color-text-muted);
	margin-bottom: 18px;
}

.bty-crumb-item {
	color: inherit;
	transition: color var(--transition-fast);
}

.bty-crumb-item:hover {
	color: var(--color-primary);
}

.bty-crumb-sep {
	opacity: 0.5;
}

.bty-crumb-current {
	color: var(--color-text-main);
	font-weight: 600;
}

/* ==========================================================================
   6. HERO SECTION (ANA SAYFA)
   ========================================================================== */
.hero-section {
	padding: 70px 0 60px;
	background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.08), transparent 50%),
	            radial-gradient(circle at bottom left, rgba(6, 182, 212, 0.08), transparent 50%);
	position: relative;
	overflow: hidden;
	border-bottom: 1px solid var(--color-border-subtle);
}

.hero-grid {
	display: grid;
	grid-template-columns: 1.15fr 0.85fr;
	align-items: center;
	gap: 40px;
}

.hero-badge {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 6px 14px;
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-full);
	font-size: 0.88rem;
	font-weight: 600;
	color: var(--color-text-main);
	margin-bottom: 20px;
	box-shadow: var(--shadow-sm);
}

.hero-title {
	font-size: 2.85rem;
	font-weight: 800;
	line-height: 1.15;
	letter-spacing: -0.03em;
	margin-bottom: 20px;
}

.gradient-text {
	display: block;
	background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
	-webkit-background-clip: text;
	-webkit-text-fill-color: transparent;
}

.hero-subtitle {
	font-size: 1.12rem;
	line-height: 1.7;
	color: var(--color-text-muted);
	margin-bottom: 30px;
	max-width: 580px;
}

.hero-cta-group {
	display: flex;
	gap: 14px;
	align-items: center;
	flex-wrap: wrap;
	margin-bottom: 40px;
}

.hero-stats {
	display: flex;
	align-items: center;
	gap: 24px;
	padding-top: 24px;
	border-top: 1px solid var(--color-border);
}

.stat-item {
	display: flex;
	flex-direction: column;
}

.stat-number {
	font-size: 1.45rem;
	font-weight: 800;
	color: var(--color-primary);
	line-height: 1.2;
}

.stat-label {
	font-size: 0.8rem;
	color: var(--color-text-muted);
	font-weight: 600;
}

.stat-divider {
	width: 1px;
	height: 32px;
	background: var(--color-border);
}

/* Kod Penceresi Mockup */
.code-window-mockup {
	background: #0f172a;
	color: #e2e8f0;
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-xl);
	border: 1px solid rgba(255, 255, 255, 0.1);
	overflow: hidden;
	position: relative;
}

.window-header {
	background: #1e293b;
	padding: 12px 18px;
	display: flex;
	align-items: center;
	gap: 14px;
	border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.window-dots {
	display: flex;
	gap: 6px;
}

.dot {
	width: 11px;
	height: 11px;
	border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.window-tab {
	font-family: var(--font-mono);
	font-size: 0.8rem;
	color: #94a3b8;
}

.code-content {
	padding: 24px;
	font-family: var(--font-mono);
	font-size: 0.88rem;
	line-height: 1.7;
	overflow-x: auto;
}

.code-comment { color: #64748b; font-style: italic; }
.code-keyword { color: #f43f5e; font-weight: 600; }
.code-fn { color: #38bdf8; }
.code-var { color: #e2e8f0; }
.code-str { color: #a3e635; }

.code-badge-floating {
	position: absolute;
	bottom: -10px;
	right: 15px;
	background: var(--color-bg-card);
	color: var(--color-text-main);
	border: 1px solid var(--color-border);
	padding: 10px 16px;
	border-radius: var(--radius-md);
	box-shadow: var(--shadow-lg);
	display: flex;
	align-items: center;
	gap: 12px;
	transform: translateY(-50%);
}

.floating-icon {
	font-size: 1.5rem;
}

.floating-text strong {
	display: block;
	font-size: 0.88rem;
}
.floating-text span {
	font-size: 0.75rem;
	color: var(--color-text-muted);
}

/* ==========================================================================
   7. SINIFLAR BÖLÜMÜ (SEVİYELER KARTLARI)
   ========================================================================== */
.section-siniflar,
.section-how-it-works,
.section-recent-lessons {
	padding: 80px 0;
}

.section-header {
	margin-bottom: 45px;
}

.section-title {
	font-size: 2.2rem;
	font-weight: 800;
	letter-spacing: -0.02em;
	margin-bottom: 12px;
}

.section-description {
	color: var(--color-text-muted);
	font-size: 1.05rem;
	max-width: 600px;
	margin: 0 auto;
}

.sinif-cards-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 24px;
}

.sinif-card {
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	padding: 28px;
	box-shadow: var(--shadow-sm);
	transition: all var(--transition-base);
	position: relative;
	display: flex;
	flex-direction: column;
}

.sinif-card:hover {
	transform: translateY(-5px);
	box-shadow: var(--shadow-lg);
	border-color: var(--card-accent, var(--color-primary));
}

.sinif-card-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	margin-bottom: 20px;
}

.sinif-icon-circle {
	width: 52px;
	height: 52px;
	border-radius: var(--radius-md);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.5rem;
}

.sinif-count-badge {
	font-size: 0.78rem;
	font-weight: 700;
	background: var(--color-bg-subtle);
	color: var(--color-text-muted);
	padding: 4px 10px;
	border-radius: var(--radius-full);
}

.sinif-card-title {
	font-size: 1.45rem;
	font-weight: 700;
	margin-bottom: 10px;
	color: var(--color-text-main);
}

.sinif-card-desc {
	font-size: 0.92rem;
	color: var(--color-text-muted);
	margin-bottom: 20px;
	flex-grow: 1;
}

.sinif-card-topics {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-bottom: 22px;
}

.topic-chip {
	font-size: 0.75rem;
	font-weight: 600;
	padding: 3px 8px;
	background: var(--color-bg-subtle);
	border-radius: var(--radius-sm);
	color: var(--color-text-muted);
}

.btn-sinif-go {
	display: flex;
	align-items: center;
	justify-content: space-between;
	background: var(--color-bg-subtle);
	padding: 10px 16px;
	border-radius: var(--radius-md);
	font-weight: 600;
	font-size: 0.92rem;
	color: var(--color-text-main);
	transition: all var(--transition-fast);
}

.sinif-card:hover .btn-sinif-go {
	background: var(--color-primary);
	color: #ffffff;
}

/* ==========================================================================
   8. ADIMLAR / NASIL ÇALIŞIR BÖLÜMÜ
   ========================================================================== */
.section-how-it-works {
	background: var(--color-bg-subtle);
	border-top: 1px solid var(--color-border);
	border-bottom: 1px solid var(--color-border);
}

.steps-grid {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
}

.step-card {
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	padding: 30px;
	flex: 1;
	box-shadow: var(--shadow-sm);
	position: relative;
}

.step-number {
	font-size: 0.8rem;
	font-weight: 800;
	color: var(--color-primary);
	margin-bottom: 8px;
}

.step-icon {
	font-size: 2.2rem;
	margin-bottom: 14px;
}

.step-title {
	font-size: 1.25rem;
	font-weight: 700;
	margin-bottom: 8px;
}

.step-desc {
	font-size: 0.9rem;
	color: var(--color-text-muted);
	line-height: 1.6;
}

.step-arrow {
	font-size: 1.8rem;
	color: var(--color-text-subtle);
	font-weight: bold;
}

/* ==========================================================================
   9. DERS KARTLARI (GRID VE DETAYLAR)
   ========================================================================== */
.section-header-flex {
	display: flex;
	align-items: flex-end;
	justify-content: space-between;
	margin-bottom: 35px;
	flex-wrap: wrap;
	gap: 15px;
}

.lessons-grid {
	display: grid;
	grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
	gap: 26px;
}

.lesson-card {
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	overflow: hidden;
	box-shadow: var(--shadow-sm);
	transition: all var(--transition-base);
	display: flex;
	flex-direction: column;
}

.lesson-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-lg);
	border-color: var(--color-primary);
}

.lesson-card-media {
	position: relative;
	height: 190px;
	overflow: hidden;
	background: var(--color-bg-subtle);
}

.lesson-card-thumb-link {
	display: block;
	width: 100%;
	height: 100%;
}

.lesson-card-img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.4s ease;
}

.lesson-card:hover .lesson-card-img {
	transform: scale(1.04);
}

.lesson-card-placeholder {
	width: 100%;
	height: 100%;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	color: #ffffff;
}

.placeholder-icon {
	font-size: 3rem;
	margin-bottom: 6px;
}

.placeholder-tag {
	font-size: 0.82rem;
	font-weight: 700;
	letter-spacing: 0.05em;
	background: rgba(0, 0, 0, 0.2);
	padding: 2px 10px;
	border-radius: var(--radius-full);
}

.lesson-card-badges {
	position: absolute;
	top: 12px;
	left: 12px;
	display: flex;
	gap: 6px;
	flex-wrap: wrap;
	z-index: 2;
}

.lesson-badge-sinif,
.lesson-badge-hafta {
	font-size: 0.76rem;
	font-weight: 700;
	padding: 4px 10px;
	border-radius: var(--radius-full);
	backdrop-filter: blur(8px);
}

.lesson-badge-hafta {
	background: rgba(15, 23, 42, 0.85);
	color: #ffffff;
}

.lesson-card-body {
	padding: 20px;
	display: flex;
	flex-direction: column;
	flex-grow: 1;
}

.lesson-card-meta {
	display: flex;
	gap: 12px;
	font-size: 0.78rem;
	color: var(--color-text-muted);
	margin-bottom: 10px;
	font-weight: 600;
}

.meta-item {
	display: flex;
	align-items: center;
	gap: 4px;
}

.lesson-card-title {
	font-size: 1.2rem;
	font-weight: 700;
	line-height: 1.35;
	margin-bottom: 10px;
}

.lesson-card-title a {
	color: var(--color-text-main);
}

.lesson-card-title a:hover {
	color: var(--color-primary);
}

.lesson-card-excerpt {
	font-size: 0.9rem;
	color: var(--color-text-muted);
	line-height: 1.55;
	margin-bottom: 20px;
	flex-grow: 1;
}

.lesson-card-footer {
	border-top: 1px solid var(--color-border-subtle);
	padding-top: 14px;
}

.lesson-btn-view {
	display: flex;
	align-items: center;
	justify-content: space-between;
	font-weight: 600;
	font-size: 0.88rem;
	color: var(--color-primary);
}

.lesson-btn-view:hover {
	color: var(--color-primary-dark);
}

/* ==========================================================================
   10. ARAÇLAR BANNER'I
   ========================================================================== */
.section-tools-banner {
	padding: 40px 0;
	background: var(--color-bg-card);
	border-top: 1px solid var(--color-border);
}

.tools-banner-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 20px;
}

.tools-text h3 {
	font-size: 1.25rem;
	font-weight: 700;
	margin-bottom: 4px;
}

.tools-text p {
	font-size: 0.88rem;
	color: var(--color-text-muted);
}

.tools-badges-wrap {
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
}

.tool-btn {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	padding: 8px 16px;
	background: var(--color-bg-subtle);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	font-weight: 600;
	font-size: 0.88rem;
	color: var(--color-text-main);
	transition: all var(--transition-fast);
}

.tool-btn:hover {
	background: var(--color-bg-hover);
	transform: translateY(-2px);
	border-color: var(--color-primary);
}

/* ==========================================================================
   11. SINIF ARŞİV SAYFASI (TAXONOMY-SINIF: SINIF > HAFTALAR > DERSLER)
   ========================================================================== */
.sinif-hero {
	color: #ffffff;
	padding: 50px 0;
}

.sinif-hero .bty-breadcrumbs {
	color: rgba(255, 255, 255, 0.7);
}

.sinif-hero .bty-crumb-current {
	color: #ffffff;
}

.sinif-hero-content {
	display: flex;
	align-items: center;
	gap: 28px;
}

.sinif-hero-icon {
	width: 80px;
	height: 80px;
	background: rgba(255, 255, 255, 0.15);
	backdrop-filter: blur(8px);
	border-radius: var(--radius-lg);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 2.8rem;
	flex-shrink: 0;
}

.sinif-sub-pill {
	display: inline-block;
	font-size: 0.8rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	background: rgba(255, 255, 255, 0.2);
	padding: 3px 10px;
	border-radius: var(--radius-full);
	margin-bottom: 8px;
}

.sinif-title {
	font-size: 2.4rem;
	font-weight: 800;
	line-height: 1.2;
	margin-bottom: 10px;
}

.sinif-desc {
	font-size: 1.05rem;
	opacity: 0.9;
	max-width: 700px;
	margin-bottom: 16px;
}

.sinif-meta-badges {
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
}

.sinif-meta-pill {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	background: rgba(0, 0, 0, 0.2);
	padding: 5px 12px;
	border-radius: var(--radius-full);
	font-size: 0.82rem;
	font-weight: 600;
}

/* Müfredat Bölümü */
.sinif-curriculum-section {
	padding: 50px 0 80px;
}

.curriculum-toolbar {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 15px;
	margin-bottom: 30px;
	padding-bottom: 15px;
	border-bottom: 1px solid var(--color-border);
}

.curriculum-heading {
	font-size: 1.6rem;
	font-weight: 800;
}

.curriculum-sub {
	font-size: 0.92rem;
	color: var(--color-text-muted);
}

.curriculum-actions {
	display: flex;
	gap: 8px;
}

/* Hafta Akordeon Blokları */
.weeks-timeline {
	display: flex;
	flex-direction: column;
	gap: 20px;
}

.week-block {
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-sm);
	overflow: hidden;
	transition: border-color var(--transition-fast);
}

.week-block.is-expanded {
	border-color: var(--color-border);
}

.week-header {
	padding: 18px 24px;
	display: flex;
	align-items: center;
	gap: 16px;
	cursor: pointer;
	background: var(--color-bg-card);
	border-bottom: 1px solid transparent;
	user-select: none;
	transition: background-color var(--transition-fast);
}

.week-block.is-expanded .week-header {
	border-bottom-color: var(--color-border);
	background: var(--color-bg-subtle);
}

.week-badge-col {
	flex-shrink: 0;
}

.week-number-pill {
	display: inline-block;
	background: var(--color-primary);
	color: #ffffff;
	font-size: 0.78rem;
	font-weight: 800;
	letter-spacing: 0.05em;
	padding: 6px 12px;
	border-radius: var(--radius-sm);
}

.week-title-col {
	flex-grow: 1;
	display: flex;
	align-items: baseline;
	gap: 12px;
	flex-wrap: wrap;
}

.week-title {
	font-size: 1.25rem;
	font-weight: 700;
}

.week-lesson-count {
	font-size: 0.82rem;
	font-weight: 600;
	color: var(--color-text-muted);
	background: var(--color-bg-card);
	padding: 2px 8px;
	border-radius: var(--radius-full);
	border: 1px solid var(--color-border);
}

.week-toggle-col {
	flex-shrink: 0;
}

.week-accordion-trigger {
	background: transparent;
	border: none;
	color: var(--color-text-muted);
	cursor: pointer;
	padding: 6px;
	border-radius: var(--radius-full);
	display: flex;
	align-items: center;
	justify-content: center;
	transition: transform var(--transition-fast);
}

.week-block.is-expanded .week-accordion-trigger {
	transform: rotate(180deg);
}

.week-body {
	display: none;
	padding: 20px 24px;
}

.week-block.is-expanded .week-body {
	display: block;
}

/* Haftanın Altındaki Ders Listesi */
.week-lessons-list {
	display: flex;
	flex-direction: column;
	gap: 14px;
}

.week-lesson-item {
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	padding: 16px 20px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	transition: all var(--transition-fast);
}

.week-lesson-item:hover {
	border-color: var(--color-primary);
	box-shadow: var(--shadow-sm);
	background: var(--color-bg-subtle);
}

.lesson-item-main {
	flex-grow: 1;
}

.lesson-item-header {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 6px;
	flex-wrap: wrap;
}

.lesson-item-title {
	font-size: 1.1rem;
	font-weight: 700;
}

.lesson-item-title a {
	color: var(--color-text-main);
}

.lesson-item-title a:hover {
	color: var(--color-primary);
}

.lesson-item-badges {
	display: flex;
	gap: 8px;
	font-size: 0.78rem;
	font-weight: 600;
	color: var(--color-text-muted);
}

.lesson-item-kazanimlar {
	font-size: 0.88rem;
	color: var(--color-text-muted);
	background: var(--color-primary-light);
	padding: 8px 12px;
	border-radius: var(--radius-sm);
	border-left: 3px solid var(--color-primary);
	margin-top: 8px;
}

.lesson-item-kazanimlar strong {
	color: var(--color-primary-dark);
	display: block;
	margin-bottom: 2px;
}

.lesson-item-actions {
	display: flex;
	align-items: center;
	gap: 10px;
	flex-shrink: 0;
}

/* ==========================================================================
   12. DERS SAYFASI (SINGLE-BTY_DERS: DERS DETAYI)
   ========================================================================== */
.single-lesson-main {
	padding-bottom: 80px;
}

.lesson-header-banner {
	background: var(--color-bg-card);
	border-bottom: 1px solid var(--color-border);
	padding: 30px 0 35px;
	margin-bottom: 40px;
}

.lesson-header-badges {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-wrap: wrap;
	margin-bottom: 14px;
}

.badge-sinif-link,
.badge-week-tag,
.badge-time-tag,
.badge-tool-tag {
	font-size: 0.82rem;
	font-weight: 700;
	padding: 4px 12px;
	border-radius: var(--radius-full);
}

.badge-week-tag {
	background: var(--color-bg-subtle);
	color: var(--color-text-main);
	border: 1px solid var(--color-border);
}

.badge-time-tag,
.badge-tool-tag {
	background: var(--color-bg-subtle);
	color: var(--color-text-muted);
}

.lesson-page-title {
	font-size: 2.5rem;
	font-weight: 800;
	line-height: 1.2;
	letter-spacing: -0.02em;
	margin-bottom: 12px;
}

.lesson-page-excerpt {
	font-size: 1.1rem;
	color: var(--color-text-muted);
	max-width: 850px;
	line-height: 1.6;
}

/* Ders İki Sütunlu Izgara */
.lesson-grid-layout {
	display: grid;
	grid-template-columns: 1fr 340px;
	gap: 36px;
	align-items: start;
}

.lesson-card-box {
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	box-shadow: var(--shadow-sm);
	margin-bottom: 30px;
	overflow: hidden;
}

.box-header {
	padding: 18px 24px;
	border-bottom: 1px solid var(--color-border-subtle);
	display: flex;
	align-items: center;
	gap: 14px;
	background: var(--color-bg-subtle);
}

.box-icon-wrap {
	width: 40px;
	height: 40px;
	border-radius: var(--radius-md);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 1.3rem;
	flex-shrink: 0;
	background: var(--color-bg-card);
	box-shadow: var(--shadow-sm);
}

.box-title {
	font-size: 1.15rem;
	font-weight: 700;
	line-height: 1.2;
}

.box-sub {
	font-size: 0.78rem;
	color: var(--color-text-muted);
	display: block;
}

.box-content {
	padding: 24px;
}

/* 🎯 Kazanımlar Kutusu */
.lesson-box-kazanimlar {
	border-left: 4px solid #8b5cf6;
}

.kazanimlar-list {
	display: flex;
	flex-direction: column;
	gap: 12px;
}

.kazanimlar-list li {
	display: flex;
	align-items: flex-start;
	gap: 12px;
	font-size: 0.95rem;
	line-height: 1.5;
}

.check-mark {
	color: #8b5cf6;
	font-weight: 800;
	font-size: 1.1rem;
	line-height: 1;
}

/* 🎬 Medya / Video / Sunu Kutusu */
.media-embed-wrapper {
	position: relative;
	padding-bottom: 56.25%;
	height: 0;
	overflow: hidden;
	background: #000;
	border-radius: var(--radius-md);
}

.media-embed-wrapper iframe,
.media-embed-wrapper object,
.media-embed-wrapper embed {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

/* 📖 Konu Anlatımı Zengin Metin */
.lesson-prose-content {
	font-size: 1.05rem;
	line-height: 1.8;
}

.lesson-prose-content h2 {
	font-size: 1.6rem;
	font-weight: 800;
	margin: 30px 0 16px;
	padding-bottom: 8px;
	border-bottom: 1px solid var(--color-border);
}

.lesson-prose-content h3 {
	font-size: 1.3rem;
	font-weight: 700;
	margin: 24px 0 12px;
}

.lesson-prose-content p {
	margin-bottom: 18px;
}

.lesson-prose-content ul,
.lesson-prose-content ol {
	margin-bottom: 20px;
	padding-left: 24px;
}

.lesson-prose-content ul { list-style: disc; }
.lesson-prose-content ol { list-style: decimal; }

.lesson-prose-content li {
	margin-bottom: 8px;
}

.lesson-prose-content pre {
	background: #0f172a;
	color: #f8fafc;
	padding: 20px;
	border-radius: var(--radius-md);
	font-family: var(--font-mono);
	font-size: 0.9rem;
	line-height: 1.6;
	overflow-x: auto;
	margin: 24px 0;
	border: 1px solid #1e293b;
	position: relative;
}

.lesson-prose-content code {
	font-family: var(--font-mono);
	background: var(--color-bg-subtle);
	padding: 2px 6px;
	border-radius: 4px;
	font-size: 0.88em;
	color: var(--color-primary);
}

.lesson-prose-content pre code {
	background: transparent;
	padding: 0;
	color: inherit;
	border-radius: 0;
}

.lesson-prose-content blockquote {
	border-left: 4px solid var(--color-primary);
	padding: 14px 20px;
	background: var(--color-primary-light);
	border-radius: 0 var(--radius-md) var(--radius-md) 0;
	margin: 20px 0;
	font-style: italic;
}

/* 🚀 Görev / Ödev Kutusu */
.lesson-box-task {
	border-left: 4px solid #f59e0b;
}

.task-content {
	background: rgba(245, 158, 11, 0.05);
	font-size: 0.98rem;
}

/* 📥 İndirme Callout */
.lesson-download-callout {
	background: var(--color-bg-card);
	border: 1px dashed var(--color-primary);
	border-radius: var(--radius-lg);
	padding: 20px 24px;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	margin-bottom: 30px;
}

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

.download-icon {
	font-size: 2.2rem;
}

.download-info strong {
	display: block;
	font-size: 1.05rem;
}

.download-info p {
	font-size: 0.85rem;
	color: var(--color-text-muted);
}

/* 🔄 Önceki / Sonraki Ders Navigasyonu */
.lesson-navigation {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
	margin-top: 40px;
	padding-top: 30px;
	border-top: 1px solid var(--color-border);
}

.lesson-nav-btn {
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-md);
	padding: 18px 22px;
	display: flex;
	flex-direction: column;
	gap: 4px;
	transition: all var(--transition-fast);
}

.lesson-nav-btn:hover {
	border-color: var(--color-primary);
	box-shadow: var(--shadow-md);
	transform: translateY(-2px);
}

.nav-direction {
	font-size: 0.78rem;
	font-weight: 700;
	color: var(--color-text-muted);
	text-transform: uppercase;
}

.nav-title {
	font-size: 1rem;
	font-weight: 700;
	color: var(--color-text-main);
	line-height: 1.35;
}

.nav-week {
	color: var(--color-primary);
}

.nav-next {
	text-align: right;
}

/* ==========================================================================
   13. KENAR ÇUBUĞU (SIDEBAR) VE MÜFREDAT AĞACI
   ========================================================================== */
.lesson-sticky-sidebar {
	position: sticky;
	top: 90px;
	display: flex;
	flex-direction: column;
	gap: 24px;
}

.sidebar-widget {
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	border-radius: var(--radius-lg);
	padding: 22px;
	box-shadow: var(--shadow-sm);
}

.widget-curriculum .widget-header {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 6px;
}

.widget-icon {
	font-size: 1.4rem;
}

.widget-title {
	font-size: 1.1rem;
	font-weight: 700;
}

.widget-desc {
	font-size: 0.82rem;
	color: var(--color-text-muted);
	margin-bottom: 16px;
}

.curriculum-list-tree {
	display: flex;
	flex-direction: column;
	gap: 6px;
	max-height: 380px;
	overflow-y: auto;
	padding-right: 4px;
}

.curriculum-list-tree::-webkit-scrollbar {
	width: 4px;
}
.curriculum-list-tree::-webkit-scrollbar-thumb {
	background: var(--color-border);
	border-radius: 4px;
}

.tree-lesson-link {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 8px 10px;
	border-radius: var(--radius-sm);
	font-size: 0.86rem;
	color: var(--color-text-muted);
	transition: all var(--transition-fast);
}

.tree-lesson-link:hover {
	background: var(--color-bg-subtle);
	color: var(--color-text-main);
}

.tree-lesson-link.is-active-lesson {
	background: var(--color-primary-light);
	color: var(--color-primary);
	font-weight: 700;
}

.tree-week-pill {
	font-size: 0.72rem;
	font-weight: 800;
	padding: 2px 6px;
	background: var(--color-bg-subtle);
	border-radius: 4px;
	color: var(--color-text-main);
}

.tree-lesson-link.is-active-lesson .tree-week-pill {
	background: var(--color-primary);
	color: #ffffff;
}

.tree-lesson-name {
	flex-grow: 1;
	white-space: nowrap;
	overflow: hidden;
	text-overflow: ellipsis;
}

.tree-active-dot {
	color: var(--color-primary);
	font-size: 0.8rem;
}

.widget-footer-link {
	margin-top: 14px;
	padding-top: 12px;
	border-top: 1px solid var(--color-border-subtle);
	text-align: center;
}

.widget-footer-link a {
	font-size: 0.82rem;
	font-weight: 600;
}

/* Hızlı Araçlar Widget'ı */
.quick-tools-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 8px;
	margin-top: 12px;
}

.quick-tool-btn {
	display: flex;
	align-items: center;
	gap: 6px;
	padding: 8px 10px;
	background: var(--color-bg-subtle);
	border-radius: var(--radius-sm);
	font-size: 0.8rem;
	font-weight: 600;
	color: var(--color-text-main);
	transition: background-color var(--transition-fast);
}

.quick-tool-btn:hover {
	background: var(--color-bg-hover);
}

/* ==========================================================================
   14. ARŞİV VE ARAMA SAYFALARI
   ========================================================================== */
.archive-header-banner,
.generic-header-banner {
	background: var(--color-bg-card);
	border-bottom: 1px solid var(--color-border);
	padding: 40px 0 35px;
	margin-bottom: 40px;
}

.archive-title,
.page-title {
	font-size: 2.3rem;
	font-weight: 800;
	letter-spacing: -0.02em;
	margin-bottom: 10px;
}

.archive-desc,
.page-desc {
	font-size: 1.05rem;
	color: var(--color-text-muted);
	max-width: 650px;
}

.archive-filter-bar {
	display: flex;
	align-items: center;
	gap: 8px;
	margin-top: 24px;
	flex-wrap: wrap;
}

.filter-chip {
	display: inline-block;
	padding: 6px 16px;
	border-radius: var(--radius-full);
	background: var(--color-bg-subtle);
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--color-text-main);
	border: 1px solid var(--color-border);
	transition: all var(--transition-fast);
}

.filter-chip:hover,
.filter-chip.is-active {
	background: var(--color-primary);
	color: #ffffff;
	border-color: var(--color-primary);
}

/* Boş Durum (Empty States) */
.alert-empty-box {
	background: var(--color-bg-card);
	border: 1px dashed var(--color-border);
	border-radius: var(--radius-lg);
	padding: 60px 20px;
	text-align: center;
	margin: 30px 0;
}

.alert-empty-icon {
	font-size: 3.5rem;
	margin-bottom: 16px;
}

.alert-empty-box h3 {
	font-size: 1.35rem;
	font-weight: 700;
	margin-bottom: 8px;
}

.alert-empty-box p {
	color: var(--color-text-muted);
	max-width: 500px;
	margin: 0 auto;
}

/* Sayfalama (Pagination) */
.bty-pagination {
	margin-top: 50px;
	display: flex;
	justify-content: center;
}

.bty-pagination .nav-links {
	display: flex;
	gap: 6px;
	align-items: center;
}

.bty-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 40px;
	height: 40px;
	padding: 0 10px;
	border-radius: var(--radius-sm);
	background: var(--color-bg-card);
	border: 1px solid var(--color-border);
	font-weight: 600;
	font-size: 0.9rem;
	color: var(--color-text-main);
}

.bty-pagination .page-numbers.current,
.bty-pagination .page-numbers:hover {
	background: var(--color-primary);
	color: #ffffff;
	border-color: var(--color-primary);
}

/* ==========================================================================
   15. ALT BİLGİ (FOOTER)
   ========================================================================== */
.site-footer {
	background: #0f172a;
	color: #cbd5e1;
	padding: 70px 0 30px;
	margin-top: 60px;
	border-top: 1px solid #1e293b;
}

.footer-grid {
	display: grid;
	grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
	gap: 40px;
	margin-bottom: 50px;
}

.footer-brand {
	display: flex;
	align-items: center;
	gap: 12px;
	margin-bottom: 16px;
}

.footer-title {
	font-size: 1.3rem;
	font-weight: 800;
	color: #ffffff;
}

.footer-desc {
	font-size: 0.9rem;
	line-height: 1.6;
	color: #94a3b8;
	margin-bottom: 20px;
}

.footer-tech-badges {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
}

.tech-tag {
	font-size: 0.76rem;
	font-weight: 600;
	background: #1e293b;
	color: #94a3b8;
	padding: 4px 10px;
	border-radius: var(--radius-full);
}

.footer-heading {
	color: #ffffff;
	font-size: 1.05rem;
	font-weight: 700;
	margin-bottom: 18px;
}

.footer-links {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.footer-links a {
	color: #94a3b8;
	font-size: 0.9rem;
	display: flex;
	align-items: center;
	gap: 6px;
	transition: color var(--transition-fast);
}

.footer-links a:hover {
	color: #ffffff;
}

.bullet-arrow {
	color: var(--color-primary);
	font-weight: bold;
}

.footer-card-tip {
	background: #1e293b;
	border: 1px solid #334155;
	border-radius: var(--radius-md);
	padding: 16px;
	display: flex;
	gap: 12px;
}

.tip-icon {
	font-size: 1.4rem;
}

.tip-text {
	font-size: 0.85rem;
	color: #cbd5e1;
	line-height: 1.5;
}

.footer-bottom {
	padding-top: 30px;
	border-top: 1px solid #1e293b;
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 15px;
	font-size: 0.85rem;
	color: #64748b;
}

.footer-bottom a {
	color: #94a3b8;
}

.back-to-top-btn {
	width: 40px;
	height: 40px;
	border-radius: var(--radius-full);
	background: #1e293b;
	color: #ffffff;
	border: 1px solid #334155;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: pointer;
	transition: all var(--transition-fast);
}

.back-to-top-btn:hover {
	background: var(--color-primary);
	border-color: var(--color-primary);
	transform: translateY(-2px);
}

/* ==========================================================================
   16. DUYARLILIK / MEDYA SORGULARI (RESPONSIVE)
   ========================================================================== */
@media (max-width: 1024px) {
	.hero-grid {
		grid-template-columns: 1fr;
		gap: 30px;
	}
	.lesson-grid-layout {
		grid-template-columns: 1fr;
	}
	.lesson-sticky-sidebar {
		position: static;
	}
	.footer-grid {
		grid-template-columns: 1fr 1fr;
	}
}

@media (max-width: 768px) {
	.main-navigation {
		display: none;
	}
	.mobile-menu-toggle {
		display: flex;
	}
	.top-announcement-bar {
		display: none;
	}
	.hero-title {
		font-size: 2.2rem;
	}
	.section-title {
		font-size: 1.8rem;
	}
	.steps-grid {
		flex-direction: column;
	}
	.step-arrow {
		transform: rotate(90deg);
		margin: -5px 0;
	}
	.week-header {
		padding: 14px 16px;
	}
	.week-body {
		padding: 16px;
	}
	.week-lesson-item {
		flex-direction: column;
		align-items: flex-start;
	}
	.lesson-item-actions {
		width: 100%;
		justify-content: flex-end;
	}
	.lesson-navigation {
		grid-template-columns: 1fr;
	}
	.footer-grid {
		grid-template-columns: 1fr;
	}
	.lesson-download-callout {
		flex-direction: column;
		align-items: flex-start;
	}
}