* {
	box-sizing: border-box;
}

body {
	margin: 0;
	min-height: 100vh;
	font-family: "Segoe UI", Arial, sans-serif;
	background: linear-gradient(180deg, #0f141b 0%, #151c26 100%);
	color: #eef4fb;
}

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

.page-shell {
	min-height: 100vh;
	padding: 28px 18px;
	background:
		radial-gradient(circle at top left, rgba(51, 83, 130, 0.30), transparent 26%),
		radial-gradient(circle at bottom right, rgba(28, 58, 92, 0.24), transparent 24%),
		linear-gradient(180deg, #0e131a 0%, #151c26 100%);
}

.app-shell {
	width: 100%;
	max-width: 1020px;
	margin: 0 auto;
	background: rgba(18, 24, 33, 0.96);
	border: 1px solid rgba(196, 210, 227, 0.10);
	border-radius: 20px;
	box-shadow: 0 16px 36px rgba(0, 0, 0, 0.30);
	overflow: hidden;
}

.top-nav {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 18px 24px;
	background: rgba(11, 15, 22, 0.90);
	border-bottom: 1px solid rgba(196, 210, 227, 0.08);
}

.brand {
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.brand-title {
	margin: 0;
	font-size: 20px;
	font-weight: 700;
	color: #f7fbff;
}

.brand-subtitle {
	font-size: 12px;
	color: #9fb0c6;
	letter-spacing: 0.06em;
	text-transform: uppercase;
}

.nav-links {
	display: flex;
	align-items: center;
	gap: 10px;
	flex-wrap: wrap;
}

.nav-btn {
	padding: 10px 16px;
	border: 1px solid rgba(198, 211, 229, 0.12);
	border-radius: 10px;
	background: #1d2936;
	color: #e8f0f8;
	font-size: 14px;
	cursor: pointer;
	transition: background 0.18s ease, border-color 0.18s ease, transform 0.18s ease;
}

.nav-btn:hover {
	background: #263547;
	border-color: rgba(120, 156, 199, 0.35);
	transform: translateY(-1px);
}

.content {
	padding: 34px 28px 30px;
}

.hero {
	margin-bottom: 26px;
}

.hero h1 {
	margin: 0 0 12px;
	font-size: clamp(34px, 5vw, 54px);
	line-height: 1.02;
	font-weight: 700;
	letter-spacing: -0.03em;
	color: #f7fbff;
}

.hero p {
	margin: 0;
	max-width: 690px;
	font-size: 16px;
	line-height: 1.75;
	color: #b4c3d3;
}

.status-box {
	margin-bottom: 26px;
	padding: 18px 20px;
	background: #18222d;
	border: 1px solid rgba(196, 210, 227, 0.10);
	border-radius: 14px;
}

.status-label {
	margin: 0 0 8px;
	font-size: 12px;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	color: #a6b7c9;
}

#welcomeText {
	margin: 0;
	font-size: 17px;
	line-height: 1.6;
	color: #eef4fb;
}

.info-grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 16px;
}

.info-block {
	padding: 18px;
	background: #18222d;
	border: 1px solid rgba(196, 210, 227, 0.08);
	border-radius: 14px;
}

.info-block h2 {
	margin: 0 0 10px;
	font-size: 18px;
	font-weight: 600;
	color: #f5f9fd;
}

.info-block p {
	margin: 0;
	font-size: 14px;
	line-height: 1.65;
	color: #b4c3d3;
}

.footer-note {
	margin-top: 24px;
	padding-top: 16px;
	border-top: 1px solid rgba(196, 210, 227, 0.08);
	font-size: 13px;
	line-height: 1.6;
	color: #a6b7c9;
}

@media (max-width: 860px) {
	.top-nav {
		flex-direction: column;
		align-items: flex-start;
	}

	.content {
		padding: 24px 18px 22px;
	}

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