:root {
	--blue-900: #123c8d;
	--blue-700: #1d5fd1;
	--blue-600: #2674ea;
	--cyan-500: #22b7f2;
	--cyan-100: #e7f8ff;
	--green-700: #15803d;
	--green-600: #16a34a;
	--green-500: #22c55e;
	--green-100: #dcfce7;
	--slate-900: #0f172a;
	--slate-700: #334155;
	--slate-600: #475569;
	--slate-500: #64748b;
	--slate-400: #94a3b8;
	--slate-300: #cbd5e1;
	--slate-200: #e2e8f0;
	--slate-100: #f1f5f9;
	--white: #ffffff;
	--container: 1180px;
	--shadow: 0 4px 20px rgba(15, 23, 42, 0.07);
	--shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
}

.screen-reader-text,
.skip-link {
	clip: rect(1px, 1px, 1px, 1px);
	position: absolute !important;
	height: 1px;
	width: 1px;
	overflow: hidden;
	word-wrap: normal !important;
}

.skip-link:focus {
	clip: auto !important;
	height: auto;
	width: auto;
	background: #fff;
	padding: 8px 16px;
	z-index: 100000;
}

* {
	box-sizing: border-box;
}

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	font-family: 'Inter', Arial, Helvetica, sans-serif;
	background: #f8fafc;
	color: var(--slate-900);
	line-height: 1.6;
	-webkit-font-smoothing: antialiased;
}

a {
	text-decoration: none;
	color: inherit;
}

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

.container {
	width: min(var(--container), calc(100% - 32px));
	margin: 0 auto;
}

.topbar {
	position: sticky;
	top: 0;
	z-index: 100;
	background: rgba(255, 255, 255, 0.96);
	border-bottom: 1px solid var(--slate-200);
	backdrop-filter: blur(10px);
}

.topbar-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 8px 0;
}

.brand {
	display: flex;
	align-items: center;
	gap: 14px;
}

.brand-logo {
	width: 88px;
	height: 88px;
	object-fit: contain;
	flex-shrink: 0;
}

.brand-name {
	display: flex;
	flex-direction: column;
	gap: 2px;
}

.brand-title {
	margin: 0;
	font-family: 'Space Grotesk', 'Inter', Arial, sans-serif;
	font-size: 1.55rem;
	font-weight: 800;
	color: var(--blue-900);
	letter-spacing: -0.03em;
	line-height: 1;
}

.brand-subtitle {
	margin: 0;
	color: var(--slate-500);
	font-size: 0.76rem;
	font-weight: 500;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.nav {
	display: flex;
	align-items: center;
	gap: 18px;
}

.nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 18px;
	list-style: none;
	margin: 0;
	padding: 0;
	color: var(--slate-600);
	font-size: 0.95rem;
}

.nav-links a:hover {
	color: var(--blue-700);
}

.btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	border: 0;
	border-radius: 999px;
	padding: 13px 26px;
	font-weight: 700;
	font-size: 0.95rem;
	cursor: pointer;
	transition: 0.2s ease;
	letter-spacing: -0.01em;
}

.btn-primary {
	background: var(--blue-900);
	color: #fff;
	box-shadow: 0 6px 20px rgba(18, 60, 141, 0.28);
}

.btn-primary:hover {
	background: var(--blue-700);
	transform: translateY(-1px);
	box-shadow: 0 10px 28px rgba(18, 60, 141, 0.34);
}

.btn-secondary {
	background: #fff;
	color: var(--slate-700);
	border: 1.5px solid var(--slate-200);
}

.btn-secondary:hover {
	border-color: var(--slate-400);
	transform: translateY(-1px);
}

.hero .breadcrumb a {
	color: var(--blue-700);
}

.hero .breadcrumb a:hover {
	text-decoration: underline;
}

.hero {
	background: #fff;
	padding: 64px 0;
	border-bottom: 1px solid var(--slate-200);
}

.hero-home {
	background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 55%, #e0f7ff 100%);
}

.hero-grid {
	display: grid;
	grid-template-columns: 1.1fr 0.9fr;
	gap: 34px;
	align-items: center;
}

.badge {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	background: var(--cyan-100);
	color: var(--blue-900);
	padding: 6px 14px;
	border-radius: 999px;
	font-size: 0.82rem;
	font-weight: 700;
	letter-spacing: 0.02em;
	text-transform: uppercase;
}

.hero h1 {
	margin: 16px 0 0;
	font-family: 'Space Grotesk', 'Inter', Arial, sans-serif;
	font-size: clamp(2.2rem, 5vw, 3.4rem);
	line-height: 1.08;
	letter-spacing: -0.03em;
	font-weight: 800;
}

.lead {
	margin: 18px 0 0;
	color: var(--slate-600);
	font-size: 1.08rem;
	
}

.hero-actions {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	margin-top: 24px;
}

section {
	padding: 70px 0;
}

.section-head {
	margin-bottom: 28px;
}

.section-head h2 {
	margin: 0;
	font-family: 'Space Grotesk', 'Inter', Arial, sans-serif;
	font-size: clamp(1.7rem, 4vw, 2.25rem);
	letter-spacing: -0.02em;
}

.section-head p {
	margin: 10px 0 0;
	color: var(--slate-600);
	max-width: 760px;
}

.breadcrumb {
	color: var(--slate-500);
	font-size: 0.92rem;
	margin-bottom: 14px;
}

.breadcrumb a:hover {
	color: var(--blue-700);
}

.layout {
	display: grid;
	grid-template-columns: 1fr 340px;
	gap: 28px;
	align-items: start;
}

.content-section,
.sidebar-card {
	background: #fff;
	border: 1px solid var(--slate-200);
	border-radius: 22px;
	box-shadow: var(--shadow);
}

.content-section {
	padding: 28px;
	margin-bottom: 22px;
}

.content-section h2 {
	margin: 0 0 14px;
	font-size: 1.7rem;
}

.content-section p,
.content-section li {
	color: var(--slate-600);
}

.sidebar {
	position: sticky;
	top: 94px;
	display: grid;
	gap: 18px;
}

.sidebar-card {
	padding: 22px;
}

.sidebar-card h3 {
	margin: 0 0 14px;
	font-size: 1.15rem;
}

.summary-card {
	background: #fff;
	border: 1px solid var(--slate-200);
	border-radius: 24px;
	box-shadow: var(--shadow-lg);
	padding: 26px;
}

.summary-card h3 {
	margin: 0 0 18px;
	font-size: 1.2rem;
}

.summary-list {
	display: grid;
	gap: 14px;
}

.summary-item {
	border: 1px solid var(--slate-200);
	background: var(--slate-100);
	border-radius: 16px;
	padding: 14px 16px;
}

.summary-item strong {
	display: block;
	color: var(--slate-500);
	font-size: 0.82rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	margin-bottom: 4px;
}

.lesson-grid {
	display: grid;
	gap: 18px;
}

.lesson-card {
	background: #fff;
	border: 1px solid var(--slate-200);
	border-radius: 22px;
	box-shadow: var(--shadow);
	padding: 24px;
}

.lesson-card h3 {
	margin: 0 0 14px;
	font-size: 1.15rem;
	color: var(--blue-900);
}

.lesson-card ul {
	margin: 0;
	padding-left: 18px;
	color: var(--slate-600);
}

.lesson-card li + li {
	margin-top: 8px;
}

.course-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 18px;
}

/* ── Course card (new) ──────────────────────────────────────── */
.course-card {
	display: flex;
	flex-direction: column;
	background: #fff;
	border: 1px solid var(--slate-200);
	border-radius: 20px;
	overflow: hidden;
	box-shadow: 0 2px 12px rgba(15, 23, 42, 0.06);
	transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.course-card:hover {
	transform: translateY(-4px);
	box-shadow: 0 16px 40px rgba(15, 23, 42, 0.13);
}

.course-card__header {
	background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 60%, var(--cyan-500) 100%);
	padding: 18px 20px 14px;
	min-height: 58px;
	display: flex;
	align-items: flex-end;
}

.course-card__area {
	display: inline-flex;
	align-items: center;
	background: rgba(255, 255, 255, 0.18);
	backdrop-filter: blur(4px);
	color: #fff;
	border: 1px solid rgba(255, 255, 255, 0.3);
	border-radius: 999px;
	padding: 4px 12px;
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.03em;
	text-transform: uppercase;
	transition: background 0.2s;
}

.course-card__area:hover {
	background: rgba(255, 255, 255, 0.3);
	color: #fff;
}

.course-card__body {
	flex: 1;
	padding: 20px 20px 12px;
}

.course-card__title {
	margin: 0 0 12px;
	font-size: 1.08rem;
	line-height: 1.35;
	color: var(--slate-900);
}

.course-card__chips {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	margin-bottom: 12px;
}

.chip {
	display: inline-flex;
	align-items: center;
	gap: 5px;
	border-radius: 999px;
	padding: 4px 10px;
	font-size: 0.8rem;
	font-weight: 600;
}

.chip--blue {
	background: #dbeafe;
	color: var(--blue-700);
}

.chip--slate {
	background: var(--slate-100);
	color: var(--slate-600);
	border: 1px solid var(--slate-200);
}

.course-card__desc {
	color: var(--slate-600);
	font-size: 0.92rem;
	line-height: 1.6;
	margin: 0;
}

.course-card__footer {
	padding: 14px 20px 18px;
	border-top: 1px solid var(--slate-100);
	margin-top: 12px;
}

.course-card__link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--blue-700);
	font-weight: 700;
	font-size: 0.92rem;
	transition: gap 0.2s ease;
}

.course-card__link:hover {
	gap: 10px;
	color: var(--blue-900);
}

/* Legacy .course-mini kept for front-page areas that still use it */
.course-mini {
	background: #fff;
	border: 1px solid var(--slate-200);
	border-radius: 18px;
	padding: 20px;
	box-shadow: var(--shadow);
}

.course-mini small {
	color: var(--slate-500);
	display: block;
	margin-bottom: 6px;
}

.course-mini h3 {
	margin: 0 0 8px;
	font-size: 1.1rem;
}

.course-mini a {
	color: var(--blue-700);
	font-weight: 700;
}

.course-mini a:hover {
	text-decoration: underline;
}

.page-content {
	background: #fff;
	border: 1px solid var(--slate-200);
	border-radius: 22px;
	padding: 28px;
	box-shadow: var(--shadow);
	max-width: 900px;
	margin: 0 auto;
}

.footer {
	background: var(--slate-900);
	color: #fff;
	padding: 56px 0 30px;
	margin-top: 30px;
}

.footer-grid {
	display: grid;
	grid-template-columns: 1.1fr 1fr 1fr;
	gap: 26px;
}

.footer p,
.footer a {
	color: #cbd5e1;
	font-size: 0.95rem;
}

.footer h3,
.footer h4 {
	margin: 0 0 12px;
}

.footer-links {
	display: grid;
	gap: 8px;
}

.copyright {
	border-top: 1px solid rgba(255, 255, 255, 0.08);
	margin-top: 30px;
	padding-top: 18px;
	text-align: center;
	color: #94a3b8;
	font-size: 0.9rem;
}

.sidebar-list {
	display: grid;
	gap: 10px;
	color: var(--slate-600);
	font-size: 0.95rem;
}

.sidebar-list div {
	line-height: 1.45;
}

.contact-card {
	background: #fff;
	border: 1px solid var(--slate-200);
	border-radius: 22px;
	box-shadow: var(--shadow);
	padding: 22px;
}

.contact-card h3 {
	margin: 0 0 14px;
	font-size: 1.15rem;
}

.contact-box {
	display: grid;
	gap: 12px;
	margin-top: 16px;
}

.contact-item {
	border: 1px solid var(--slate-200);
	border-radius: 14px;
	padding: 12px 14px;
	background: var(--slate-100);
	color: var(--slate-700);
	font-size: 0.95rem;
}

.contact-actions {
	margin-top: 16px;
	display: grid;
	gap: 10px;
}

.empty-state {
	text-align: center;
	padding: 48px 16px;
	color: var(--slate-600);
}

/* ── Pagination ─────────────────────────────────────────────── */
.dfcode-pagination {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 16px;
	margin-top: 40px;
	padding: 20px 24px;
	background: #fff;
	border: 1px solid var(--slate-200);
	border-radius: 18px;
	box-shadow: var(--shadow);
}

.pagination-info {
	color: var(--slate-500);
	font-size: 0.9rem;
}

.pagination-info strong {
	color: var(--slate-700);
}

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

.pagination-links .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 40px;
	height: 40px;
	padding: 0 6px;
	border-radius: 12px;
	border: 1px solid var(--slate-200);
	background: var(--slate-100);
	color: var(--slate-700);
	font-size: 0.9rem;
	font-weight: 600;
	transition: 0.2s ease;
}

.pagination-links .page-numbers:hover {
	background: #dbeafe;
	border-color: var(--blue-600);
	color: var(--blue-700);
}

.pagination-links .page-numbers.current {
	background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
	border-color: transparent;
	color: #fff;
	box-shadow: 0 4px 14px rgba(29, 95, 209, 0.3);
}

.pagination-links .page-numbers.prev,
.pagination-links .page-numbers.next {
	background: #fff;
	border-color: var(--slate-200);
	color: var(--blue-700);
	width: 40px;
}

.pagination-links .page-numbers.prev:hover,
.pagination-links .page-numbers.next:hover {
	background: var(--blue-700);
	border-color: var(--blue-700);
	color: #fff;
}

.pagination-links .page-numbers.dots {
	background: transparent;
	border-color: transparent;
	color: var(--slate-400);
	pointer-events: none;
}

@media (max-width: 600px) {
	.dfcode-pagination {
		flex-direction: column;
		align-items: center;
		text-align: center;
	}
}

/* ── Trial class button (brand blue pill) ───────────────────── */
.btn-trial {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	background: linear-gradient(135deg, var(--blue-900), var(--blue-600), var(--cyan-500));
	color: #fff;
	border: none;
	border-radius: 999px;
	padding: 13px 26px;
	font-weight: 700;
	font-size: 0.95rem;
	cursor: pointer;
	transition: 0.2s ease;
	box-shadow: 0 6px 20px rgba(29, 95, 209, 0.3);
	white-space: nowrap;
	letter-spacing: -0.01em;
}

.btn-trial:hover {
	transform: translateY(-2px);
	box-shadow: 0 10px 28px rgba(29, 95, 209, 0.4);
	color: #fff;
	filter: brightness(1.08);
}

/* ── Floating WhatsApp button ────────────────────────────────── */
.fab-trial {
	position: fixed;
	bottom: 28px;
	right: 28px;
	z-index: 999;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 58px;
	height: 58px;
	background: #25d366;
	color: #fff;
	border-radius: 50%;
	box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
	transition: 0.25s ease;
	text-decoration: none;
}

.fab-trial:hover {
	transform: translateY(-3px) scale(1.06);
	box-shadow: 0 12px 32px rgba(37, 211, 102, 0.55);
	color: #fff;
}

.fab-trial-icon {
	display: flex;
	align-items: center;
	justify-content: center;
}

.fab-trial-label {
	display: none;
}

@media (max-width: 760px) {
	.fab-trial {
		bottom: 18px;
		right: 16px;
		width: 52px;
		height: 52px;
	}
}

/* ── Course mini: additional meta ──────────────────────────── */
.course-mini-meta {
	display: inline-block;
	background: var(--cyan-100);
	color: var(--blue-700);
	font-size: 0.82rem;
	font-weight: 700;
	border-radius: 999px;
	padding: 3px 10px;
	margin-bottom: 8px;
}

.course-mini-desc {
	color: var(--slate-600);
	font-size: 0.95rem;
	margin: 0 0 12px;
}

/* ── Hero home stats card ───────────────────────────────────── */
.hero-stats-card {
	background: #fff;
	border: 1.5px solid var(--slate-200);
	border-radius: 28px;
	box-shadow: var(--shadow-lg);
	padding: 28px 24px;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
}

.hero-stat {
	text-align: center;
	padding: 18px 12px;
	border-radius: 18px;
	background: var(--slate-100);
	border: 1px solid var(--slate-200);
	transition: border-color 0.2s ease;
}

.hero-stat:hover {
	border-color: var(--cyan-500);
}

.hero-stat strong {
	display: block;
	font-size: 1.2rem;
	font-weight: 800;
	color: var(--slate-900);
	letter-spacing: -0.02em;
}

.hero-stat span {
	display: block;
	font-size: 0.8rem;
	color: var(--slate-500);
	margin-top: 4px;
	font-weight: 500;
}

/* ── Features section ───────────────────────────────────────── */
.features-section {
	background: var(--slate-100);
	border-top: 1px solid var(--slate-200);
	border-bottom: 1px solid var(--slate-200);
}

.features-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
	padding-top: 24px;
}

.feature-card {
	position: relative;
	background: #fff;
	border: 1.5px solid var(--slate-200);
	border-radius: 22px;
	padding: 28px 24px 24px;
	box-shadow: var(--shadow);
	transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
	margin-top: 16px;
}

.feature-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-lg);
	border-color: var(--cyan-500);
}

.feature-number {
	position: absolute;
	top: -20px;
	left: 24px;
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: var(--blue-900);
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 0.88rem;
	font-weight: 800;
	letter-spacing: 0.02em;
	box-shadow: 0 4px 14px rgba(18, 60, 141, 0.35);
	font-family: 'Inter', Arial, sans-serif;
}

.feature-card h3 {
	margin: 4px 0 8px;
	font-size: 1.02rem;
	font-weight: 700;
	color: var(--slate-900);
	letter-spacing: -0.01em;
}

.feature-card p {
	margin: 0;
	color: var(--slate-600);
	font-size: 0.9rem;
	line-height: 1.6;
}

.feature-icon {
	display: none;
}

/* ── Area cards ─────────────────────────────────────────────── */
.categories-section {
	background: var(--slate-100);
	border-top: 1px solid var(--slate-200);
	border-bottom: 1px solid var(--slate-200);
}

.area-cards {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 16px;
}

.area-card {
	display: flex;
	align-items: center;
	gap: 16px;
	background: #fff;
	border: 1.5px solid var(--slate-200);
	border-radius: 20px;
	padding: 20px 20px;
	transition: 0.22s ease;
	position: relative;
	overflow: hidden;
}

.area-card::before {
	content: '';
	position: absolute;
	left: 0;
	top: 0;
	bottom: 0;
	width: 4px;
	background: linear-gradient(180deg, var(--blue-900), var(--cyan-500));
	opacity: 0;
	transition: opacity 0.22s ease;
}

.area-card:hover {
	transform: translateY(-3px);
	box-shadow: var(--shadow-lg);
	border-color: var(--cyan-500);
}

.area-card:hover::before {
	opacity: 1;
}

.area-card__icon {
	width: 50px;
	height: 50px;
	border-radius: 14px;
	background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-600) 60%, var(--cyan-500) 100%);
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	flex-shrink: 0;
	box-shadow: 0 4px 12px rgba(18, 60, 141, 0.25);
}

.area-card__body {
	flex: 1;
	min-width: 0;
}

.area-card__body strong {
	display: block;
	color: var(--slate-900);
	font-size: 0.95rem;
	font-weight: 700;
	letter-spacing: -0.01em;
	line-height: 1.3;
}

.area-card__count {
	display: inline-flex;
	align-items: center;
	margin-top: 5px;
	background: var(--cyan-100);
	color: var(--blue-900);
	border-radius: 999px;
	padding: 2px 10px;
	font-size: 0.75rem;
	font-weight: 700;
}

.area-card__arrow {
	color: var(--blue-600);
	opacity: 0;
	transition: opacity 0.2s ease, transform 0.2s ease;
	flex-shrink: 0;
}

.area-card:hover .area-card__arrow {
	opacity: 1;
	transform: translateX(4px);
}

/* ── CTA section ────────────────────────────────────────────── */
.cta-section {
	background: var(--slate-900);
	padding: 72px 0;
}

.cta-box {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 28px;
	flex-wrap: wrap;
}

.cta-box h2 {
	margin: 0 0 8px;
	color: #fff;
	font-size: clamp(1.5rem, 3vw, 2rem);
}

.cta-box p {
	margin: 0;
	color: rgba(255, 255, 255, 0.75);
}

.cta-actions {
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
	flex-shrink: 0;
}

.btn-secondary-inverted {
	background: rgba(255, 255, 255, 0.12);
	color: #fff;
	border: 1.5px solid rgba(255, 255, 255, 0.3);
	border-radius: 999px;
	padding: 13px 26px;
	font-weight: 700;
	font-size: 0.95rem;
	display: inline-flex;
	align-items: center;
	transition: 0.2s ease;
}

.btn-secondary-inverted:hover {
	background: rgba(255, 255, 255, 0.22);
	color: #fff;
}

/* ── Filter bar ─────────────────────────────────────────────── */
.filter-bar {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
	margin-bottom: 28px;
	padding: 16px 20px;
	background: #fff;
	border: 1px solid var(--slate-200);
	border-radius: 18px;
	box-shadow: var(--shadow);
}

.filter-pill {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	background: var(--slate-100);
	border: 1px solid var(--slate-200);
	border-radius: 999px;
	padding: 6px 14px;
	font-size: 0.88rem;
	color: var(--slate-700);
	font-weight: 600;
	transition: 0.2s ease;
}

.filter-pill:hover {
	background: #dbeafe;
	border-color: var(--blue-600);
	color: var(--blue-700);
}

.filter-pill--active {
	background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
	border-color: transparent;
	color: #fff;
}

.filter-pill--active:hover {
	background: linear-gradient(135deg, var(--blue-900), var(--blue-600));
	color: #fff;
	transform: none;
}

.filter-count {
	background: rgba(0, 0, 0, 0.1);
	border-radius: 999px;
	padding: 1px 7px;
	font-size: 0.78rem;
}

.filter-pill--active .filter-count {
	background: rgba(255, 255, 255, 0.25);
}

/* ── Header: topbar CTA + hamburger ────────────────────────── */
.btn-sm {
	padding: 9px 18px;
	font-size: 0.85rem;
	border-radius: 999px;
}

.topbar-cta {
	white-space: nowrap;
}

.nav-toggle {
	display: none;
	flex-direction: column;
	justify-content: center;
	gap: 5px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 6px 4px;
}

.nav-toggle span {
	display: block;
	width: 22px;
	height: 2px;
	background: var(--slate-700);
	border-radius: 2px;
	transition: 0.2s ease;
}

/* ── Footer: improvements ───────────────────────────────────── */
.footer-grid {
	grid-template-columns: 1.4fr 0.9fr 1.1fr;
}

.footer-about p {
	color: #94a3b8;
	font-size: 0.9rem;
	margin: 6px 0 0;
}

.footer-tagline {
	color: #64748b !important;
	font-size: 0.85rem !important;
	margin-top: 10px !important;
}

.footer-brand {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 10px;
}

.footer-brand strong {
	color: #fff;
	font-size: 1rem;
}

.footer-logo {
	width: 44px;
	height: 44px;
	object-fit: contain;
	flex-shrink: 0;
	filter: brightness(0) invert(1);
}

.footer-social {
	margin-top: 14px;
	display: flex;
	flex-direction: column;
	gap: 10px;
}

.footer-social a {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	color: #94a3b8 !important;
	font-size: 0.9rem;
	transition: color 0.2s;
}

.footer-social a:hover {
	color: var(--cyan-500) !important;
}

.video-channel-btn {
	margin-top: 20px;
}

.footer-contact {
	display: grid;
	gap: 10px;
}

.footer-contact-item {
	display: flex;
	align-items: flex-start;
	gap: 8px;
	color: #94a3b8;
	font-size: 0.88rem;
	line-height: 1.4;
}

.footer-contact-item svg {
	flex-shrink: 0;
	margin-top: 2px;
	color: var(--cyan-500);
}

.footer-contact-item a {
	color: #94a3b8 !important;
}

.footer-contact-item a:hover {
	color: var(--cyan-500) !important;
}

/* ── Contact item label ─────────────────────────────────────── */
.contact-item strong {
	display: block;
	color: var(--slate-500);
	font-size: 0.78rem;
	text-transform: uppercase;
	letter-spacing: 0.04em;
	margin-bottom: 3px;
}

@media (max-width: 1024px) {
	.hero-grid,
	.layout,
	.footer-grid,
	.course-grid,
	.features-grid {
		grid-template-columns: 1fr 1fr;
	}

	.area-cards {
		grid-template-columns: repeat(2, 1fr);
	}

	.sidebar {
		position: static;
	}

	.cta-box {
		flex-direction: column;
		text-align: center;
	}

	.cta-actions {
		justify-content: center;
	}
}

@media (max-width: 760px) {
	.nav-links {
		display: none;
		position: absolute;
		top: 100%;
		left: 0;
		right: 0;
		background: #fff;
		border-bottom: 1px solid var(--slate-200);
		flex-direction: column;
		padding: 12px 16px 16px;
		gap: 4px;
		box-shadow: var(--shadow);
		z-index: 99;
	}

	.nav-links.nav-open {
		display: flex;
	}

	.nav-links li {
		padding: 6px 0;
		border-bottom: 1px solid var(--slate-100);
	}

	.topbar {
		position: relative;
	}

	.topbar-inner {
		align-items: center;
	}

	.nav {
		flex-direction: row;
		align-items: center;
		gap: 10px;
	}

	.nav-toggle {
		display: flex;
	}

	.topbar-cta {
		display: none;
	}

	.hero-grid,
	.course-grid,
	.layout,
	.footer-grid,
	.features-grid {
		grid-template-columns: 1fr;
	}

	.hero-stats-card {
		grid-template-columns: 1fr 1fr;
	}

	.area-cards {
		grid-template-columns: 1fr;
	}

	section {
		padding: 56px 0;
	}

	.filter-bar {
		gap: 6px;
	}

	.video-grid {
		grid-template-columns: 1fr;
	}

	.single-video-layout {
		grid-template-columns: 1fr;
	}
}

/* ══════════════════════════════════════════════════════════════
   VÍDEOS
   ══════════════════════════════════════════════════════════════ */

/* ── Banner Udemy ───────────────────────────────────────────── */
.udemy-banner-section {
	padding: 0 0 0;
	background: transparent;
}

.udemy-banner {
	display: flex;
	align-items: center;
	gap: 20px;
	background: linear-gradient(135deg, var(--blue-900) 0%, var(--blue-700) 60%, var(--cyan-500) 100%);
	border-radius: 22px;
	padding: 24px 28px;
	flex-wrap: wrap;
	margin-bottom: 32px;
}

.udemy-banner__icon {
	width: 56px;
	height: 56px;
	background: rgba(255, 255, 255, 0.15);
	border-radius: 16px;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	flex-shrink: 0;
}

.udemy-banner__body {
	flex: 1;
	min-width: 200px;
}

.udemy-banner__body strong {
	display: block;
	color: #fff;
	font-size: 1.05rem;
	font-weight: 700;
	margin-bottom: 4px;
}

.udemy-banner__body p {
	margin: 0;
	color: rgba(255, 255, 255, 0.8);
	font-size: 0.9rem;
}

.udemy-banner__btn {
	background: #fff !important;
	color: var(--blue-900) !important;
	box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2) !important;
	flex-shrink: 0;
}

.udemy-banner__btn:hover {
	background: var(--cyan-100) !important;
	color: var(--blue-900) !important;
}

/* ── Galeria (archive) ──────────────────────────────────────── */
.video-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 22px;
}

.video-card {
	background: #fff;
	border: 1.5px solid var(--slate-200);
	border-radius: 20px;
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.video-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-lg);
}

.video-card__thumb {
	position: relative;
	display: block;
	aspect-ratio: 16 / 9;
	overflow: hidden;
	background: var(--slate-900);
}

.video-card__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.3s ease, opacity 0.3s ease;
}

.video-card:hover .video-card__thumb img {
	transform: scale(1.04);
	opacity: 0.85;
}

.video-card__thumb-placeholder {
	width: 100%;
	height: 100%;
	background: linear-gradient(135deg, var(--blue-900), var(--cyan-500));
}

.video-card__play {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
}

.video-card__play svg {
	width: 52px;
	height: 52px;
	background: rgba(18, 60, 141, 0.75);
	border-radius: 50%;
	padding: 12px;
	transition: background 0.2s ease, transform 0.2s ease;
	box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.video-card:hover .video-card__play svg {
	background: var(--blue-700);
	transform: scale(1.1);
}

.video-card__body {
	padding: 18px 20px 20px;
	flex: 1;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.video-card__title {
	margin: 0;
	font-size: 1rem;
	font-weight: 700;
	line-height: 1.35;
	letter-spacing: -0.01em;
}

.video-card__title a {
	color: var(--slate-900);
	transition: color 0.2s;
}

.video-card__title a:hover {
	color: var(--blue-700);
}

.video-card__desc {
	margin: 0;
	color: var(--slate-600);
	font-size: 0.88rem;
	line-height: 1.55;
	flex: 1;
}

.video-card__link {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	color: var(--blue-700);
	font-weight: 700;
	font-size: 0.88rem;
	transition: gap 0.2s ease;
	margin-top: 4px;
}

.video-card__link:hover {
	gap: 10px;
	color: var(--blue-900);
}

/* ── Empty state ───────────────────────────────────────────── */
.video-empty {
	text-align: center;
	padding: 64px 16px;
	color: var(--slate-500);
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
}

.video-empty svg {
	opacity: 0.35;
}

/* ── Single vídeo ──────────────────────────────────────────── */
.single-video-layout {
	display: grid;
	grid-template-columns: 1fr 320px;
	gap: 28px;
	align-items: start;
}

.single-video-main {
	min-width: 0;
}

.video-embed-wrap {
	position: relative;
	width: 100%;
	aspect-ratio: 16 / 9;
	border-radius: 18px;
	overflow: hidden;
	background: #000;
	box-shadow: var(--shadow-lg);
	margin-bottom: 24px;
}

.video-embed-wrap iframe {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	border: 0;
}

.video-description {
	margin-top: 0;
}

.video-no-url {
	background: var(--slate-100);
	border: 1.5px dashed var(--slate-300);
	border-radius: 18px;
	padding: 48px;
	text-align: center;
	color: var(--slate-500);
	margin-bottom: 24px;
}

/* ── Sidebar: lista de outros vídeos ───────────────────────── */
.video-sidebar-list {
	display: grid;
	gap: 12px;
}

.video-sidebar-item {
	display: flex;
	align-items: center;
	gap: 12px;
	transition: opacity 0.2s;
}

.video-sidebar-item:hover {
	opacity: 0.8;
}

.video-sidebar-thumb {
	position: relative;
	width: 90px;
	flex-shrink: 0;
	aspect-ratio: 16 / 9;
	border-radius: 8px;
	overflow: hidden;
	background: var(--slate-900);
}

.video-sidebar-thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.video-sidebar-play {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	color: #fff;
	font-size: 0.7rem;
	background: rgba(0, 0, 0, 0.3);
}

.video-sidebar-title {
	font-size: 0.85rem;
	font-weight: 600;
	color: var(--slate-700);
	line-height: 1.4;
}

/* =========================================================
   GUIA VISUALG — Layout com sidebar
   ========================================================= */

/* Wrapper principal: sidebar + conteúdo */
.visualg-wrap {
	display: flex;
	align-items: flex-start;
	min-height: 100vh;
	background: var(--slate-50, #f8fafc);
}

/* ── Sidebar ─────────────────────────────────────────────── */
.visualg-sidebar {
	width: 272px;
	flex-shrink: 0;
	position: sticky;
	top: 0;
	height: 100vh;
	overflow-y: auto;
	border-right: 1.5px solid var(--slate-200);
	background: #fff;
	scrollbar-width: thin;
	scrollbar-color: var(--slate-300) transparent;
}

.visualg-sidebar::-webkit-scrollbar { width: 4px; }
.visualg-sidebar::-webkit-scrollbar-thumb { background: var(--slate-300); border-radius: 4px; }

.visualg-sidebar__inner {
	padding: 28px 0 40px;
}

.visualg-sidebar__header {
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 0 20px 20px;
	border-bottom: 1px solid var(--slate-100);
	margin-bottom: 12px;
	color: var(--blue-900);
	font-weight: 700;
	font-size: 0.93rem;
	letter-spacing: -0.01em;
}

/* Grupos de navegação */
.visualg-nav__group {
	padding: 4px 0;
}

.visualg-nav__group-label {
	display: block;
	padding: 8px 20px 4px;
	font-size: 0.68rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--slate-400);
}

.visualg-nav__group ul {
	list-style: none;
	margin: 0;
	padding: 0;
}

.visualg-nav__link {
	display: block;
	padding: 6px 20px 6px 24px;
	font-size: 0.84rem;
	color: var(--slate-600);
	text-decoration: none;
	border-left: 2px solid transparent;
	transition: color 0.15s, border-color 0.15s, background 0.15s;
	line-height: 1.4;
}

.visualg-nav__link:hover {
	color: var(--blue-900);
	background: var(--slate-50, #f8fafc);
	border-left-color: var(--slate-300);
}

.visualg-nav__link.is-active {
	color: var(--blue-900);
	font-weight: 600;
	border-left-color: var(--cyan-500);
	background: #eef6ff;
}

/* Toggle mobile */
.visualg-nav-toggle {
	display: none;
}

/* ── Área de conteúdo ─────────────────────────────────────── */
.visualg-content {
	flex: 1;
	min-width: 0;
	padding: 40px 48px 80px;
	max-width: 860px;
}

/* Cabeçalho da página */
.visualg-page-header {
	margin-bottom: 48px;
	padding-bottom: 32px;
	border-bottom: 1.5px solid var(--slate-200);
}

.visualg-page-header__badge {
	display: inline-flex;
	align-items: center;
	background: linear-gradient(90deg, var(--blue-900), var(--cyan-500));
	color: #fff;
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	padding: 4px 14px;
	border-radius: 999px;
	margin-bottom: 14px;
}

.visualg-page-header h1 {
	font-family: 'Space Grotesk', 'Inter', Arial, sans-serif;
	font-size: 2.2rem;
	font-weight: 800;
	color: var(--blue-900);
	letter-spacing: -0.03em;
	margin: 0 0 12px;
	line-height: 1.15;
}

.visualg-page-header p {
	color: var(--slate-500);
	font-size: 1rem;
	line-height: 1.65;
	margin: 0;
	max-width: 600px;
}

/* Título de grupo de seções */
.visualg-section-title {
	display: flex;
	align-items: center;
	gap: 12px;
	margin: 48px 0 24px;
}

.visualg-section-title span {
	font-size: 0.7rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.1em;
	color: var(--slate-400);
	background: var(--slate-100);
	padding: 4px 12px;
	border-radius: 999px;
}

.visualg-section-title::before,
.visualg-section-title::after {
	content: '';
	flex: 1;
	height: 1px;
	background: var(--slate-200);
}

/* ── Seção de comando ─────────────────────────────────────── */
.vg-section {
	background: #fff;
	border: 1.5px solid var(--slate-200);
	border-radius: 18px;
	padding: 28px 28px 24px;
	margin-bottom: 20px;
	scroll-margin-top: 80px;
	transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.vg-section:hover {
	border-color: var(--cyan-500);
	box-shadow: 0 4px 24px rgba(18, 60, 141, 0.07);
}

.vg-section__head {
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: wrap;
	margin-bottom: 12px;
}

.vg-section__head h2 {
	font-family: 'Space Grotesk', 'Inter', Arial, sans-serif;
	font-size: 1.15rem;
	font-weight: 700;
	color: var(--blue-900);
	margin: 0;
	letter-spacing: -0.02em;
	line-height: 1.3;
}

.vg-desc {
	color: var(--slate-600);
	font-size: 0.93rem;
	line-height: 1.65;
	margin: 0 0 16px;
}

/* ── Badges de categoria ─────────────────────────────────── */
.vg-badge {
	display: inline-flex;
	align-items: center;
	padding: 3px 11px;
	border-radius: 999px;
	font-size: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	text-transform: uppercase;
	flex-shrink: 0;
}

.vg-badge--estrutura  { background: #dbeafe; color: #1e40af; }
.vg-badge--variaveis  { background: #ede9fe; color: #5b21b6; }
.vg-badge--tipos      { background: #fce7f3; color: #9d174d; }
.vg-badge--entrada    { background: #d1fae5; color: #065f46; }
.vg-badge--saida      { background: #fef3c7; color: #92400e; }
.vg-badge--atribuicao { background: #ffedd5; color: #9a3412; }
.vg-badge--operadores { background: #e0f2fe; color: #075985; }
.vg-badge--condicional{ background: #fdf4ff; color: #701a75; }
.vg-badge--repeticao  { background: #ecfdf5; color: #14532d; }
.vg-badge--vetores    { background: #fefce8; color: #713f12; }
.vg-badge--funcoes    { background: #f0fdf4; color: #14532d; }
.vg-badge--extras     { background: #f1f5f9; color: #334155; }

/* ── Blocos de código ─────────────────────────────────────── */
.vg-block {
	margin-top: 16px;
	border-radius: 12px;
	overflow: hidden;
	border: 1px solid var(--slate-200);
}

.vg-block__label {
	padding: 7px 16px;
	font-size: 0.7rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.07em;
	background: var(--slate-100);
	color: var(--slate-500);
	border-bottom: 1px solid var(--slate-200);
}

.vg-block--example .vg-block__label {
	background: #eaf3ff;
	color: var(--blue-900);
	border-bottom-color: #bfdbfe;
}

.vg-code {
	background: #0f172a;
	color: #e2e8f0;
	margin: 0;
	padding: 18px 20px;
	font-family: 'Fira Code', 'Courier New', Courier, monospace;
	font-size: 0.83rem;
	line-height: 1.75;
	overflow-x: auto;
	white-space: pre;
	tab-size: 2;
}

.vg-block--example .vg-code {
	background: #0c1a35;
	border-top: 2px solid var(--blue-900);
}

.vg-code code {
	background: none;
	padding: 0;
	border-radius: 0;
	color: inherit;
	font-size: inherit;
	font-family: inherit;
}

/* ── Tabelas ─────────────────────────────────────────────── */
.vg-table-wrap {
	overflow-x: auto;
	margin: 12px 0;
	border-radius: 10px;
	border: 1px solid var(--slate-200);
}

.vg-table {
	width: 100%;
	border-collapse: collapse;
	font-size: 0.875rem;
}

.vg-table thead tr {
	background: var(--slate-50, #f8fafc);
}

.vg-table th {
	padding: 10px 16px;
	text-align: left;
	font-size: 0.72rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.06em;
	color: var(--slate-500);
	border-bottom: 1px solid var(--slate-200);
}

.vg-table td {
	padding: 10px 16px;
	color: var(--slate-700);
	border-bottom: 1px solid var(--slate-100);
	vertical-align: middle;
}

.vg-table tbody tr:last-child td {
	border-bottom: none;
}

.vg-table tbody tr:hover td {
	background: #f8fafc;
}

.vg-table code {
	background: #eef2ff;
	color: var(--blue-900);
	padding: 2px 7px;
	border-radius: 5px;
	font-size: 0.83rem;
	font-family: 'Fira Code', 'Courier New', monospace;
}

/* Nota de rodapé */
.vg-footer-note {
	display: flex;
	align-items: flex-start;
	gap: 10px;
	margin-top: 56px;
	padding: 18px 22px;
	background: var(--slate-100);
	border-radius: 12px;
	color: var(--slate-500);
}

.vg-footer-note svg {
	flex-shrink: 0;
	margin-top: 2px;
}

.vg-footer-note p {
	margin: 0;
	font-size: 0.85rem;
	line-height: 1.6;
}

/* ── Responsivo ──────────────────────────────────────────── */
@media (max-width: 1024px) {
	.visualg-content {
		padding: 32px 32px 60px;
	}
}

@media (max-width: 768px) {
	.visualg-wrap {
		flex-direction: column;
	}

	.visualg-sidebar {
		position: fixed;
		top: 0;
		left: 0;
		bottom: 0;
		width: 280px;
		height: 100%;
		z-index: 300;
		transform: translateX(-100%);
		transition: transform 0.28s cubic-bezier(.4,0,.2,1);
		box-shadow: 4px 0 24px rgba(0,0,0,0.12);
	}

	.visualg-sidebar.is-open {
		transform: translateX(0);
	}

	.visualg-nav-toggle {
		display: flex;
		align-items: center;
		gap: 8px;
		position: sticky;
		top: 0;
		z-index: 200;
		width: 100%;
		padding: 12px 20px;
		background: #fff;
		border: none;
		border-bottom: 1.5px solid var(--slate-200);
		color: var(--blue-900);
		font-size: 0.88rem;
		font-weight: 600;
		cursor: pointer;
	}

	.visualg-content {
		padding: 20px 18px 60px;
	}

	.visualg-page-header h1 {
		font-size: 1.6rem;
	}

	.vg-section {
		padding: 20px 18px;
	}
}

/* =========================================================
   EXERCÍCIOS DE LÓGICA
   ========================================================= */

/* Stats no topo da sidebar */
.ex-sidebar-stats {
	display: flex;
	gap: 2px;
	padding: 0 12px 16px;
	border-bottom: 1px solid var(--slate-100);
	margin-bottom: 4px;
}

.ex-sidebar-stat {
	flex: 1;
	text-align: center;
	background: var(--slate-50, #f8fafc);
	border-radius: 10px;
	padding: 8px 4px;
}

.ex-sidebar-stat strong {
	display: block;
	font-size: 1.15rem;
	font-weight: 800;
	color: var(--blue-900);
	line-height: 1;
}

.ex-sidebar-stat span {
	font-size: 0.65rem;
	color: var(--slate-400);
	text-transform: uppercase;
	letter-spacing: 0.04em;
}

/* Numerador e contador no link da nav */
.visualg-nav__link {
	display: flex;
	align-items: center;
	gap: 7px;
}

.ex-nav-num {
	flex-shrink: 0;
	width: 20px;
	height: 20px;
	border-radius: 50%;
	background: var(--slate-100);
	color: var(--slate-500);
	font-size: 0.68rem;
	font-weight: 700;
	display: flex;
	align-items: center;
	justify-content: center;
	transition: background 0.15s, color 0.15s;
}

.visualg-nav__link.is-active .ex-nav-num {
	background: var(--blue-900);
	color: #fff;
}

.ex-nav-count {
	margin-left: auto;
	flex-shrink: 0;
	font-size: 0.68rem;
	font-weight: 600;
	color: var(--slate-400);
	background: var(--slate-100);
	padding: 1px 7px;
	border-radius: 999px;
}

/* Legenda de dificuldade na sidebar */
.ex-legend {
	display: flex;
	flex-direction: column;
	gap: 6px;
	padding: 4px 20px 8px;
}

/* Pills de dificuldade */
.ex-diff {
	display: inline-flex;
	align-items: center;
	padding: 3px 10px;
	border-radius: 999px;
	font-size: 0.7rem;
	font-weight: 700;
	letter-spacing: 0.04em;
	text-transform: uppercase;
}

.ex-diff--facil   { background: #dcfce7; color: #14532d; }
.ex-diff--medio   { background: #fef9c3; color: #713f12; }
.ex-diff--dificil { background: #fee2e2; color: #7f1d1d; }

/* Pills no header da página */
.ex-header-pills {
	display: flex;
	align-items: center;
	gap: 8px;
	flex-wrap: wrap;
	margin-top: 16px;
}

.ex-header-total {
	margin-left: auto;
	font-size: 0.85rem;
	color: var(--slate-500);
}

.ex-header-total strong {
	color: var(--blue-900);
}

/* ── Módulo ──────────────────────────────────────────────── */
.ex-module {
	margin-bottom: 40px;
	scroll-margin-top: 80px;
}

.ex-module__header {
	display: flex;
	align-items: flex-start;
	gap: 16px;
	margin-bottom: 16px;
}

.ex-module__num {
	flex-shrink: 0;
	width: 44px;
	height: 44px;
	border-radius: 14px;
	background: linear-gradient(135deg, var(--blue-900), var(--cyan-500));
	color: #fff;
	font-size: 1.15rem;
	font-weight: 800;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 14px rgba(18, 60, 141, 0.3);
	font-family: 'Space Grotesk', Arial, sans-serif;
}

.ex-module__meta h2 {
	font-family: 'Space Grotesk', 'Inter', Arial, sans-serif;
	font-size: 1.2rem;
	font-weight: 700;
	color: var(--blue-900);
	margin: 0 0 8px;
	letter-spacing: -0.02em;
	line-height: 1.3;
}

.ex-module__pills {
	display: flex;
	gap: 6px;
	flex-wrap: wrap;
}

.ex-module__intro {
	background: linear-gradient(135deg, #eef6ff 0%, #f5f3ff 100%);
	border-left: 4px solid var(--cyan-500);
	border-radius: 0 12px 12px 0;
	padding: 12px 16px;
	font-size: 0.88rem;
	color: var(--slate-600);
	line-height: 1.6;
	margin-bottom: 16px;
}

.ex-module__intro strong {
	color: var(--blue-900);
	margin-right: 4px;
}

/* ── Lista de exercícios ─────────────────────────────────── */
.ex-list {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.ex-item {
	display: flex;
	align-items: flex-start;
	gap: 14px;
	background: #fff;
	border: 1.5px solid var(--slate-200);
	border-radius: 14px;
	padding: 14px 16px;
	transition: border-color 0.18s, box-shadow 0.18s, transform 0.18s;
}

.ex-item:hover {
	border-color: var(--cyan-500);
	box-shadow: 0 4px 18px rgba(18, 60, 141, 0.08);
	transform: translateX(3px);
}

/* Borda lateral colorida por dificuldade */
.ex-item--f { border-left: 4px solid #22c55e; }
.ex-item--m { border-left: 4px solid #eab308; }
.ex-item--d { border-left: 4px solid #ef4444; }

.ex-item__num {
	flex-shrink: 0;
	width: 28px;
	height: 28px;
	border-radius: 8px;
	background: var(--slate-100);
	color: var(--slate-500);
	font-size: 0.75rem;
	font-weight: 700;
	display: flex;
	align-items: center;
	justify-content: center;
}

.ex-item--f .ex-item__num { background: #dcfce7; color: #15803d; }
.ex-item--m .ex-item__num { background: #fef9c3; color: #a16207; }
.ex-item--d .ex-item__num { background: #fee2e2; color: #b91c1c; }

.ex-item__text {
	flex: 1;
	margin: 0;
	font-size: 0.9rem;
	color: var(--slate-700);
	line-height: 1.6;
}

.ex-item__diff {
	flex-shrink: 0;
	align-self: center;
}

/* ── Banner de conclusão ─────────────────────────────────── */
.ex-footer-banner {
	display: flex;
	align-items: flex-start;
	gap: 18px;
	margin-top: 48px;
	padding: 24px 28px;
	background: linear-gradient(135deg, var(--blue-900) 0%, #1e3a8a 60%, #1d4ed8 100%);
	border-radius: 18px;
	color: #fff;
}

.ex-footer-banner__icon {
	font-size: 2rem;
	flex-shrink: 0;
}

.ex-footer-banner strong {
	display: block;
	font-size: 1.05rem;
	font-weight: 700;
	margin-bottom: 6px;
}

.ex-footer-banner p {
	margin: 0;
	font-size: 0.9rem;
	opacity: 0.85;
	line-height: 1.6;
}

/* ── Responsivo ─────────────────────────────────────────── */
@media (max-width: 768px) {
	.ex-item {
		flex-wrap: wrap;
	}
	.ex-item__diff {
		margin-left: auto;
	}
	.ex-module__header {
		gap: 12px;
	}
}

/* =========================================================
   DFCODELAB — Landing
   ========================================================= */

.dlab-page {
	background: var(--slate-50, #f8fafc);
}

.dlab-hero {
	padding: 48px 0 56px;
	background: linear-gradient(160deg, #0f172a 0%, #1e3a5f 45%, #0c4a6e 100%);
	color: #e2e8f0;
	position: relative;
	overflow: hidden;
}

.dlab-hero::before {
	content: '';
	position: absolute;
	inset: 0;
	background: radial-gradient(ellipse 80% 50% at 100% 0%, rgba(34, 211, 238, 0.12), transparent 55%);
	pointer-events: none;
}

.dlab-hero__inner {
	position: relative;
	z-index: 1;
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 40px;
	align-items: start;
	max-width: 1100px;
}

.dlab-kicker {
	margin: 0 0 10px;
	font-size: 0.78rem;
	font-weight: 700;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: var(--cyan-500);
}

.dlab-hero h1 {
	font-family: 'Space Grotesk', 'Inter', Arial, sans-serif;
	font-size: clamp(2rem, 4vw, 2.85rem);
	font-weight: 800;
	margin: 0 0 14px;
	letter-spacing: -0.03em;
	color: #fff;
	line-height: 1.1;
}

.dlab-lead {
	font-size: 1.02rem;
	line-height: 1.7;
	margin: 0 0 28px;
	color: #cbd5e1;
	max-width: 560px;
}

.dlab-download-box {
	background: rgba(15, 23, 42, 0.65);
	border: 1px solid rgba(148, 163, 184, 0.25);
	border-radius: 18px;
	padding: 22px 24px;
	max-width: 400px;
	backdrop-filter: blur(8px);
}

.dlab-download-box--inline {
	max-width: none;
	margin-top: 24px;
	background: rgba(255, 255, 255, 0.08);
}

.dlab-download-box__label {
	margin: 0 0 12px;
	font-size: 0.72rem;
	font-weight: 700;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: #94a3b8;
}

.dlab-counter-label {
	margin: 18px 0 6px;
	font-size: 0.8rem;
	color: #94a3b8;
}

.dlab-sdm-download,
.dlab-sdm-counter {
	line-height: 1.5;
}

/* Botões SDM dentro do tema */
.dlab-sdm-download .sdm_download_link,
.dlab-sdm-download a.sdm_download {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 12px 28px;
	border-radius: 999px;
	font-weight: 700;
	font-size: 0.95rem;
	background: linear-gradient(90deg, var(--blue-900), var(--cyan-500));
	color: #fff;
	text-decoration: none;
	border: none;
	box-shadow: 0 6px 20px rgba(8, 47, 73, 0.45);
	transition: transform 0.18s, box-shadow 0.18s;
}

.dlab-sdm-download .sdm_download_link:hover,
.dlab-sdm-download a.sdm_download:hover {
	transform: translateY(-2px);
	box-shadow: 0 10px 28px rgba(8, 47, 73, 0.55);
	color: #fff;
}

.dlab-sdm-counter {
	font-size: 1.35rem;
	font-weight: 800;
	font-family: 'Space Grotesk', 'Inter', sans-serif;
	color: #fff;
}

.dlab-sdm-counter .sdm_count,
.dlab-sdm-counter span {
	color: inherit;
}

/* Mock terminal */
.dlab-mock {
	background: #020617;
	border: 1px solid #334155;
	border-radius: 14px;
	overflow: hidden;
	box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
	font-family: 'Fira Code', 'Courier New', monospace;
	font-size: 0.72rem;
	line-height: 1.55;
}

.dlab-mock__title-bar {
	padding: 8px 12px;
	background: #1e293b;
	color: #94ecb8;
	font-size: 0.68rem;
	border-bottom: 1px solid #334155;
}

.dlab-mock__body {
	display: grid;
	grid-template-columns: 1fr 120px;
	gap: 0;
	min-height: 140px;
}

.dlab-mock__col {
	padding: 12px;
	color: #cbd5e1;
}

.dlab-mock__ln {
	color: #475569;
	margin-right: 6px;
	user-select: none;
}

.dlab-mock__hl {
	color: #67e8f9;
	background: rgba(6, 182, 212, 0.12);
}

.dlab-mock .hl,
span.dlab-mock__ln.hl {
	color: #facc15;
}

.dlab-mock__sidebar {
	padding: 10px;
	background: #0f172a;
	border-left: 1px solid #334155;
	color: #94a3b8;
	font-size: 0.68rem;
}

.dlab-mock__sidebar strong {
	display: block;
	color: #e2e8f0;
	margin-bottom: 6px;
	font-size: 0.65rem;
	text-transform: uppercase;
	letter-spacing: 0.06em;
}

.dlab-mock__console {
	padding: 10px 12px;
	background: #020617;
	border-top: 1px solid #334155;
	color: #4ade80;
}

.dlab-section {
	padding: 56px 0;
	background: #fff;
}

.dlab-section--alt {
	background: var(--slate-50, #f8fafc);
}

.dlab-section__h {
	font-family: 'Space Grotesk', 'Inter', sans-serif;
	font-size: 1.5rem;
	font-weight: 800;
	color: var(--blue-900);
	margin: 0 0 24px;
	letter-spacing: -0.02em;
}

.dlab-audience {
	margin: 0;
	padding-left: 22px;
	color: var(--slate-600);
	line-height: 1.75;
	max-width: 720px;
}

.dlab-audience li {
	margin-bottom: 8px;
}

.dlab-features {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 20px;
}

.dlab-feature {
	position: relative;
	background: #fff;
	border: 1.5px solid var(--slate-200);
	border-radius: 18px;
	padding: 24px 22px 22px;
	transition: border-color 0.2s, box-shadow 0.2s;
}

.dlab-section--alt .dlab-feature {
	background: #fff;
}

.dlab-feature:hover {
	border-color: var(--cyan-500);
	box-shadow: 0 8px 28px rgba(18, 60, 141, 0.08);
}

.dlab-feature__n {
	position: absolute;
	top: -14px;
	left: 20px;
	width: 34px;
	height: 34px;
	border-radius: 50%;
	background: var(--blue-900);
	color: #fff;
	font-size: 0.75rem;
	font-weight: 800;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 12px rgba(18, 60, 141, 0.35);
}

.dlab-feature h3 {
	font-size: 1rem;
	font-weight: 700;
	color: var(--slate-900);
	margin: 8px 0 10px;
	line-height: 1.35;
}

.dlab-feature p {
	margin: 0;
	font-size: 0.88rem;
	color: var(--slate-600);
	line-height: 1.6;
}

.dlab-challenge-intro {
	max-width: 720px;
	font-size: 1rem;
	line-height: 1.65;
	color: var(--slate-600);
	margin: 0 0 24px;
}

.dlab-levels {
	display: flex;
	flex-wrap: wrap;
	gap: 10px;
}

.dlab-level {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 12px;
	padding: 10px 16px;
	background: #fff;
	border: 1px solid var(--slate-200);
	border-radius: 12px;
	font-size: 0.85rem;
	color: var(--slate-700);
	min-width: 160px;
}

.dlab-level em {
	font-style: normal;
	font-weight: 800;
	color: var(--blue-900);
	background: var(--cyan-100);
	padding: 2px 10px;
	border-radius: 999px;
	font-size: 0.8rem;
}

.dlab-section--cta {
	background: linear-gradient(135deg, var(--blue-900) 0%, #1e40af 100%);
	color: #fff;
	text-align: center;
	padding: 48px 0;
}

.dlab-section--cta-inner h2 {
	font-family: 'Space Grotesk', 'Inter', sans-serif;
	font-size: 1.55rem;
	margin: 0 0 10px;
	letter-spacing: -0.02em;
}

.dlab-section--cta-inner > p {
	margin: 0 auto 20px;
	max-width: 520px;
	opacity: 0.92;
	line-height: 1.6;
}

.dlab-links {
	display: flex;
	flex-wrap: wrap;
	gap: 12px;
	justify-content: center;
}

.dlab-section--cta .btn-secondary {
	background: rgba(255, 255, 255, 0.15);
	color: #fff;
	border-color: rgba(255, 255, 255, 0.35);
}

.dlab-section--cta .btn-secondary:hover {
	background: rgba(255, 255, 255, 0.25);
	color: #fff;
}

.dlab-footnote {
	padding: 28px 0 48px;
	background: var(--slate-100);
}

.dlab-footnote p {
	margin: 0;
	font-size: 0.88rem;
	color: var(--slate-500);
	line-height: 1.65;
	text-align: center;
	max-width: 640px;
	margin-left: auto;
	margin-right: auto;
}

@media (max-width: 900px) {
	.dlab-hero__inner {
		grid-template-columns: 1fr;
	}
	.dlab-features {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 768px) {
	.dlab-hero {
		padding: 32px 0 40px;
	}
	.dlab-download-box {
		max-width: none;
	}
}

/* ── Hub Ebooks (page-ebooks-hub.php) ───────────────────────── */
.ebooks-hub-hero {
	padding-bottom: 40px;
}

.ebooks-hub-hero .badge {
	margin-top: 14px;
}

.ebooks-hub-section {
	padding: 0 0 72px;
	background: #f8fafc;
}

.ebooks-hub-grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 28px;
	max-width: 980px;
	margin: 20px auto;
}

.ebooks-hub-card {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	padding: 32px 32px 28px;
	background: #fff;
	border: 1px solid var(--slate-200);
	border-radius: 20px;
	box-shadow: var(--shadow);
	transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
	min-height: 280px;
	position: relative;
	overflow: hidden;
}

.ebooks-hub-card::before {
	content: '';
	position: absolute;
	inset: 0 0 auto 0;
	height: 5px;
	opacity: 0.95;
}

.ebooks-hub-card--ai::before {
	background: linear-gradient(90deg, var(--blue-700), var(--cyan-500));
}

.ebooks-hub-card--spring::before {
	background: linear-gradient(90deg, #15803d, var(--green-500));
}

.ebooks-hub-card:hover {
	transform: translateY(-4px);
	box-shadow: var(--shadow-lg);
	border-color: var(--slate-300);
}

.ebooks-hub-card:focus-visible {
	outline: 3px solid var(--blue-600);
	outline-offset: 3px;
}

.ebooks-hub-card__label {
	font-size: 0.72rem;
	font-weight: 800;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: var(--blue-700);
	margin-bottom: 10px;
}

.ebooks-hub-card--spring .ebooks-hub-card__label {
	color: var(--green-700);
}

.ebooks-hub-card__title {
	margin: 0;
	font-family: 'Space Grotesk', 'Inter', Arial, sans-serif;
	font-size: clamp(1.35rem, 3vw, 1.65rem);
	font-weight: 800;
	letter-spacing: -0.02em;
	line-height: 1.15;
	color: var(--slate-900);
}

.ebooks-hub-card__desc {
	margin: 12px 0 0;
	color: var(--slate-600);
	font-size: 0.98rem;
	line-height: 1.55;
	flex: 1;
}

.ebooks-hub-card__cta {
	margin-top: 22px;
	align-self: stretch;
	text-align: center;
	justify-content: center;
	border-radius: 12px;
}

.ebooks-hub-card:hover .ebooks-hub-card__cta {
	background: var(--blue-700);
}

.ebooks-hub-card--spring:hover .ebooks-hub-card__cta {
	background: var(--green-600);
}

.ebooks-hub-extra {
	margin-top: 48px;
	max-width: 760px;
	margin-left: auto;
	margin-right: auto;
	padding-top: 36px;
	border-top: 1px solid var(--slate-200);
}

.ebooks-hub-empty {
	text-align: center;
	color: var(--slate-600);
	max-width: 520px;
	margin: 0 auto;
	padding: 24px;
	background: #fff;
	border: 1px dashed var(--slate-300);
	border-radius: 12px;
}

.ebooks-hub-empty--detail {
	max-width: 640px;
	text-align: left;
}

.ebooks-hub-empty--detail ul {
	margin: 12px 0 0;
	padding-left: 1.25rem;
	color: var(--slate-700);
}

.ebooks-hub-empty--detail li {
	margin: 8px 0;
}

.ebooks-hub-empty--detail code {
	font-size: 0.9em;
	background: var(--slate-100);
	padding: 2px 8px;
	border-radius: 6px;
}

.ebooks-hub-empty-note {
	margin: 16px 0 0;
	font-size: 0.9rem;
	color: var(--slate-500);
}

.ebooks-hub-hint {
	text-align: center;
	color: var(--slate-600);
	max-width: 520px;
	margin: 16px auto 0;
	padding: 14px 20px;
	background: #fff8e6;
	border: 1px solid #f5d565;
	border-radius: 10px;
	font-size: 0.95rem;
}

@media (max-width: 768px) {
	.ebooks-hub-grid {
		grid-template-columns: 1fr;
	}
	.ebooks-hub-card {
		min-height: 0;
	}
}