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

body {
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	background: #f5f8fc;
	color: #0a2540;
	line-height: 1.9;
}

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

.container {
	width: 80%;
	max-width: 1400px;
	margin: 0 auto;
	padding: 0 20px;
}

.navbar {
	background: #ffffff;
	border-bottom: 1px solid rgba(0,102,255,0.06);
	padding: 16px 0;
	position: sticky;
	top: 0;
	z-index: 1000;
	backdrop-filter: blur(8px);
}

.nav-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	flex-wrap: wrap;
}

.logo-area img {
	height: 40px;
	width: auto;
	display: block;
}

.hamburger {
	display: none;
	background: none;
	border: none;
	font-size: 1.8rem;
	color: #0a2540;
	cursor: pointer;
	padding: 4px;
}

.nav-links {
	display: flex;
	align-items: center;
	gap: 24px;
}

.nav-links a {
	font-size: 0.95rem;
	font-weight: 500;
	color: #1d3b5a;
	transition: color 0.2s;
}

.nav-links a:hover {
	color: #0066ff;
}

.nav-links .btn-nav {
	background: #0066ff;
	color: #fff !important;
	padding: 6px 20px;
	border-radius: 40px;
	font-weight: 500;
	transition: background 0.2s;
	display: inline-flex;
	align-items: center;
	gap: 6px;
}

.nav-links .btn-nav:hover {
	background: #0052cc !important;
}

.btn-primary {
	background: #0066ff;
	color: #fff;
	padding: 14px 32px;
	border-radius: 60px;
	font-weight: 600;
	font-size: 1rem;
	border: none;
	cursor: pointer;
	transition: background 0.2s, transform 0.2s;
	display: inline-flex;
	align-items: center;
	gap: 8px;
}

.btn-primary:hover {
	background: #0052cc;
	transform: translateY(-2px);
}

.btn-outline {
	background: transparent;
	color: #0066ff;
	padding: 14px 32px;
	border-radius: 60px;
	font-weight: 600;
	font-size: 1rem;
	border: 2px solid #0066ff;
	cursor: pointer;
	transition: all 0.2s;
	display: inline-flex;
	align-items: center;
	gap: 8px;
}

.btn-outline:hover {
	background: #0066ff;
	color: #fff;
	transform: translateY(-2px);
}

.footer {
	background: #ffffff;
	padding: 60px 0 40px;
	border-top: 1px solid rgba(0,102,255,0.04);
}

.footer-grid {
	display: grid;
	grid-template-columns: 2fr 1fr 1fr 1fr;
	gap: 40px;
}

.footer .brand-col .logo {
	font-size: 1.8rem;
	font-weight: 800;
	color: #0a2540;
	display: flex;
	align-items: center;
	gap: 4px;
}

.footer .brand-col .logo i {
	color: #0066ff;
}

.footer .brand-col .logo span {
	color: #0066ff;
}

.footer .brand-col p {
	color: #1e293b;
	font-size: 0.95rem;
	line-height: 1.8;
	margin-top: 12px;
	max-width: 320px;
}

.footer .brand-col p a {
	color: #0066ff;
	font-weight: 600;
}

.footer .brand-col p a:hover {
	text-decoration: underline;
}

.footer .col h4 {
	font-size: 1rem;
	font-weight: 700;
	color: #0a2540;
	margin-bottom: 16px;
}

.footer .col ul {
	list-style: none;
}

.footer .col ul li {
	margin-bottom: 10px;
}

.footer .col ul li a {
	color: #475569;
	font-size: 0.9rem;
	transition: color 0.2s;
}

.footer .col ul li a:hover {
	color: #0066ff;
}

.footer-bottom {
	border-top: 1px solid rgba(0,102,255,0.04);
	padding-top: 24px;
	margin-top: 40px;
	text-align: center;
	color: #475569;
	font-size: 0.85rem;
	display: flex;
	justify-content: center;
	gap: 16px;
	flex-wrap: wrap;
}

.footer-bottom a {
	color: #0066ff;
	font-weight: 600;
}

.footer-bottom a:hover {
	text-decoration: underline;
}

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

.back-to-top {
	position: fixed;
	bottom: 30px;
	right: 30px;
	width: 50px;
	height: 50px;
	background: #0066ff;
	color: #fff;
	border: none;
	border-radius: 50%;
	font-size: 1.2rem;
	cursor: pointer;
	box-shadow: 0 4px 16px rgba(0,102,255,0.2);
	transition: transform 0.2s, opacity 0.2s;
	opacity: 0;
	visibility: hidden;
	display: flex;
	align-items: center;
	justify-content: center;
	z-index: 999;
}

.back-to-top.show {
	opacity: 1;
	visibility: visible;
}

.back-to-top:hover {
	transform: translateY(-4px);
	background: #0052cc;
}

@media (max-width: 768px) {
	.container {
		width: 95%;
		padding: 0 12px;
	}

	.hamburger {
		display: block;
	}

	.nav-links {
		display: none;
		flex-direction: column;
		width: 100%;
		padding: 16px 0 8px;
		border-top: 1px solid rgba(0,102,255,0.06);
		gap: 14px;
		align-items: center;
	}

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

	.nav-links a {
		font-size: 1rem;
	}

	.nav-links .btn-nav {
		width: 100%;
		justify-content: center;
	}

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

@media (max-width: 480px) {
	.container {
		width: 100%;
		padding: 0 14px;
	}

	.footer-grid {
		grid-template-columns: 1fr 1fr;
		text-align: center;
	}

	.footer .brand-col p {
		max-width: 100%;
	}
}