/* ===== Base Reset & Font ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
	line-height: 1.6;
}

/* ===== Sticky Header ===== */
.site-header {
	position: sticky;
	top: 0;
	z-index: 1000;
	background: rgba(255, 255, 255, 0.97);
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
	backdrop-filter: blur(8px);
	-webkit-backdrop-filter: blur(8px);
}

.header-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	max-width: 1200px;
	margin: 0 auto;
	padding: 10px 20px;
}

.header-left {
	display: flex;
	align-items: center;
	gap: 16px;
}

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

/* ===== Logo ===== */
.edu-logo-link {
	display: flex;
	align-items: center;
	text-decoration: none;
}

.edu-logo-img {
	height: 40px;
	width: auto;
}

/* ===== Hamburger (always visible, Kumon style) ===== */
.edu-menu-toggle {
	display: flex;
	flex-direction: column;
	gap: 5px;
	background: none;
	border: none;
	cursor: pointer;
	padding: 8px;
	z-index: 1002;
	position: relative;
}

.edu-menu-toggle span {
	display: block;
	width: 26px;
	height: 3px;
	background: #1a1a2e;
	border-radius: 2px;
	transition: transform 0.3s ease, opacity 0.3s ease, background 0.3s ease;
}

.edu-menu-toggle.active span {
	background: #fff;
}

.edu-menu-toggle.active span:nth-child(1) {
	transform: rotate(45deg) translate(5px, 6px);
}

.edu-menu-toggle.active span:nth-child(2) {
	opacity: 0;
}

.edu-menu-toggle.active span:nth-child(3) {
	transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== Fullscreen Overlay Nav ===== */
.edu-nav-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	background: rgba(26, 26, 46, 0.97);
	z-index: 1001;
	display: flex;
	align-items: center;
	justify-content: center;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.4s ease, visibility 0.4s ease;
}

.edu-nav-overlay.open {
	opacity: 1;
	visibility: visible;
}

.edu-overlay-close {
	position: absolute;
	top: 20px;
	right: 28px;
	background: none;
	border: none;
	color: #fff;
	font-size: 48px;
	cursor: pointer;
	line-height: 1;
	padding: 0;
	transition: color 0.3s ease, transform 0.3s ease;
}

.edu-overlay-close:hover {
	color: #25D366;
	transform: rotate(90deg);
}

.edu-nav-overlay nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
	text-align: center;
}

.edu-nav-overlay nav ul li {
	margin: 0;
}

.edu-nav-overlay nav ul li a {
	color: #fff;
	font-size: 28px;
	font-weight: 600;
	text-decoration: none;
	display: block;
	padding: 14px 0;
	transition: color 0.3s ease, transform 0.3s ease;
	letter-spacing: 1px;
}

.edu-nav-overlay nav ul li a:hover {
	color: #25D366;
	transform: translateX(8px);
}

/* ===== Scroll offset for sticky header ===== */
section[id] {
	scroll-margin-top: 60px;
}

/* ===== CTA Button ===== */
.edu-cta-button {
	display: inline-block;
	background: linear-gradient(135deg, #25D366, #1da851);
	color: #fff !important;
	padding: 10px 20px;
	border-radius: 8px;
	text-decoration: none;
	font-weight: 600;
	border: none;
	cursor: pointer;
	transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
	box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.edu-cta-button:hover {
	transform: translateY(-2px);
	box-shadow: 0 6px 25px rgba(37, 211, 102, 0.45);
	background: linear-gradient(135deg, #1da851, #17944a);
	color: #fff;
}

.edu-cta-button:active {
	transform: translateY(0);
}

.edu-cta-header {
	padding: 8px 18px;
	font-size: 14px;
	border-radius: 50px;
}

/* ===== Layout ===== */
.edu-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 20px;
}

.edu-section {
	padding: 80px 20px;
}

.edu-bg-light {
	background: #F5F7FA;
}

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

/* ===== Grids ===== */
.edu-grid-2 {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 30px;
	align-items: center;
}

.edu-grid-3 {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 30px;
	justify-items: center;
}
.edu-grid-3 > :only-child { grid-column: 2; }
.edu-grid-3 > :first-child:nth-last-child(2),
.edu-grid-3 > :first-child:nth-last-child(2) ~ * { grid-column: auto; justify-self: center; }

.edu-grid-4 {
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 30px;
}

.edu-grid-contact {
	display: grid;
	grid-template-columns: 60% 40%;
	gap: 30px;
	align-items: start;
}

/* ===== Hero ===== */
.edu-hero {
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
	background-color: #1a1a2e;
	min-height: 90vh;
	display: flex;
	align-items: center;
	justify-content: center;
}

.edu-hero-overlay {
	background: linear-gradient(135deg, rgba(26, 26, 46, 0.55), rgba(0, 119, 182, 0.3));
	width: 100%;
	min-height: 90vh;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	text-align: center;
	padding: 40px 20px;
}

.edu-hero h1 {
	color: #fff;
	font-size: 52px;
	margin-bottom: 20px;
	line-height: 1.15;
	text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
	max-width: 800px;
}

.edu-golden-circle {
	display: flex;
	gap: 30px;
	margin-bottom: 25px;
	flex-wrap: wrap;
	justify-content: center;
}

.edu-golden-circle p {
	color: rgba(255, 255, 255, 0.95);
	font-size: 16px;
	margin: 0;
	padding: 8px 20px;
	border: 1px solid rgba(255, 255, 255, 0.3);
	border-radius: 50px;
	backdrop-filter: blur(4px);
	background: rgba(255, 255, 255, 0.08);
}

.edu-golden-circle p strong {
	color: #25D366;
}

.edu-hero-sub {
	color: rgba(255, 255, 255, 0.9);
	font-size: 18px;
	margin-bottom: 35px;
	max-width: 650px;
}

.edu-hero .edu-cta-button {
	font-size: 18px;
	padding: 16px 36px;
	border-radius: 50px;
}

/* ===== Tagline ===== */
.edu-tagline {
	font-weight: 700;
	color: #0077B6 !important;
	font-size: 18px !important;
	margin-bottom: 15px;
}

/* ===== Cards ===== */
.edu-card {
	background: #fff;
	border-radius: 12px;
	box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
	overflow: hidden;
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.edu-card:hover {
	transform: translateY(-6px);
	box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
}

.edu-card img {
	transition: transform 0.4s ease;
}

.edu-card:hover img {
	transform: scale(1.05);
}

/* ===== Links ===== */
.edu-link {
	color: #0077B6;
	font-weight: 600;
	text-decoration: none;
	transition: color 0.3s ease, letter-spacing 0.3s ease;
}

.edu-link:hover {
	color: #005a8c;
	letter-spacing: 1px;
}

/* ===== Step number ===== */
.edu-step-number {
	width: 56px;
	height: 56px;
	background: linear-gradient(135deg, #0077B6, #005a8c);
	color: #fff;
	border-radius: 50%;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	font-size: 24px;
	font-weight: 700;
	margin-bottom: 15px;
	box-shadow: 0 4px 12px rgba(0, 119, 182, 0.3);
	transition: transform 0.3s ease;
}

.edu-step-number:hover {
	transform: scale(1.15);
}

/* ===== Icon wrap ===== */
.edu-icon-wrap {
	width: 80px;
	height: 80px;
	margin: 0 auto 15px;
	display: flex;
	align-items: center;
	justify-content: center;
	background: #f0f7ff;
	border-radius: 50%;
	transition: transform 0.3s ease, background 0.3s ease;
}

.edu-icon-wrap:hover {
	transform: scale(1.1);
	background: #e0f0ff;
}

/* ===== Differentials hover ===== */
.edu-grid-4 > .edu-text-center {
	border-radius: 12px;
	transition: background 0.3s ease, transform 0.3s ease;
}

.edu-grid-4 > .edu-text-center:hover {
	background: #fff;
	transform: translateY(-4px);
	box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* ===== Avatar ===== */
.edu-avatar {
	width: 80px;
	height: 80px;
	border-radius: 50%;
	object-fit: cover;
	border: 3px solid #f5f7fa;
	transition: transform 0.3s ease;
}

.edu-avatar:hover {
	transform: scale(1.1);
}

/* ===== Typography ===== */
.edu-section h2 {
	font-size: 34px;
	margin-bottom: 40px;
	color: #1a1a2e;
}

h2.edu-text-center::after {
	content: '';
	display: block;
	width: 60px;
	height: 3px;
	background: linear-gradient(90deg, #0077B6, #25D366);
	margin: 12px auto 0;
	border-radius: 2px;
}

.edu-section h3 {
	font-size: 20px;
	margin-bottom: 10px;
	color: #1a1a2e;
}

.edu-section p {
	color: #555;
	line-height: 1.75;
}

/* ===== Contact form ===== */
.edu-contact-form input:focus,
.edu-contact-form textarea:focus {
	border-color: #0077B6 !important;
	box-shadow: 0 0 0 3px rgba(0, 119, 182, 0.15);
	outline: none;
}

.edu-contact-form input,
.edu-contact-form textarea {
	transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

/* ===== Scroll animations ===== */
.edu-animate {
	opacity: 0;
	transform: translateY(30px);
	transition: opacity 0.6s ease, transform 0.6s ease;
}

.edu-animate.edu-visible {
	opacity: 1;
	transform: translateY(0);
}

.edu-animate-children > * {
	opacity: 0;
	transform: translateY(20px);
	transition: opacity 0.5s ease, transform 0.5s ease;
}

.edu-animate-children.edu-visible > *:nth-child(1) { transition-delay: 0s; }
.edu-animate-children.edu-visible > *:nth-child(2) { transition-delay: 0.1s; }
.edu-animate-children.edu-visible > *:nth-child(3) { transition-delay: 0.2s; }
.edu-animate-children.edu-visible > *:nth-child(4) { transition-delay: 0.3s; }

.edu-animate-children.edu-visible > * {
	opacity: 1;
	transform: translateY(0);
}

/* ===== Footer hover ===== */
.site-footer a {
	transition: color 0.3s ease;
}

.site-footer a:hover {
	color: #25D366 !important;
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
	.edu-grid-4 {
		grid-template-columns: repeat(2, 1fr);
	}
}

@media (max-width: 767px) {
	.edu-hero h1 {
		font-size: 30px;
	}

	.edu-hero-sub {
		font-size: 16px;
	}

	.edu-golden-circle {
		flex-direction: column;
		gap: 10px;
		align-items: center;
	}

	.edu-grid-2,
	.edu-grid-3,
	.edu-grid-4,
	.edu-grid-contact {
		grid-template-columns: 1fr;
	}

	.edu-grid-contact iframe {
		height: 250px;
	}

	.edu-section {
		padding: 50px 15px;
	}

	.edu-nav-overlay nav ul li a {
		font-size: 22px;
		padding: 12px 0;
	}

	.edu-cta-header {
		font-size: 12px;
		padding: 6px 14px;
	}
}

/* ===== WhatsApp floating button ===== */
.edu-whatsapp-float {
	position: fixed;
	bottom: 24px;
	right: 24px;
	width: 60px;
	height: 60px;
	background: #25D366;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
	z-index: 999;
	transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.edu-whatsapp-float:hover {
	transform: scale(1.1);
	box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
}
