/* Page background and text */
body {
	background: #f7f3ef;
	color: #1e1a1a;
}

/* Main content: light card */
.main {
	max-width: 960px;
	margin: 16px auto;
	padding: 20px;
	box-sizing: border-box;
	background: #ffffff;
	color: #1e1a1a;
	border-radius: 12px;
	box-shadow: 0 8px 28px rgba(0, 0, 0, 0.16);
}

.main h1 {
    margin-top: 0;
    margin-bottom: 12px;
    color: #8f2222;
}

/* Main inner layout: text + logo side-by-side */
.main-inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
}

.main-copy {
	flex: 1 1 auto;
}

.main-logo {
	flex: 0 0 260px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.main-logo img {
	max-width: 100%;
	height: auto;
	display: block;
	border-radius: 10px; /* soften image corners inside card */
}

/* Hero: main card with right logo */
.hero {
	max-width: 1100px;
	margin: 16px auto;
	box-sizing: border-box;
	display: flex;
	gap: 20px;
	align-items: stretch;
	padding: 0 0; /* keep outer spacing consistent */
}

.hero .main {
	margin: 0; /* override .main's centered margin when inside hero */
	flex: 1;
}

.logo-card {
	flex: 0 0 280px;
	background: #ffffff;
	color: #1e1a1a;
	border-radius: 12px;
	box-shadow: 0 8px 28px rgba(0, 0, 0, 0.16);
	display: flex;
	align-items: center;
	justify-content: center;
	padding: 16px;
}

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

/* Tips section: inverted colors like challenges sidebar */
.files {
	max-width: 960px;
	margin: 16px auto;
	padding: 20px;
	box-sizing: border-box;
	background: #8f2222; /* deep maroon */
	color: #ffffff;
	border-radius: 12px;
	box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
    text-align: center;
}

.files h2 {
	margin-top: 0;
	margin-bottom: 10px;
	color: #ffffff;
}

.files p {
	margin-top: 0;
	margin-bottom: 10px;
	color: #f7f3ef;
}

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

.files li {
	margin-bottom: 8px;
}


.files a {
	color: #ffffff;
	text-decoration: none;
	font-weight: 600;
	background: rgba(255, 255, 255, 0.14);
	padding: 8px 12px;
	border-radius: 8px;
	display: inline-block;
	transition: background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.files a:hover,
.files a:focus {
	background: rgba(255, 255, 255, 0.22);
	box-shadow: 0 6px 16px rgba(0, 0, 0, 0.22);
	transform: translateY(-1px);
}

/* Row 2 container */
.row2 {
	max-width: 960px;
	margin: 16px auto;
	padding: 20px;
	box-sizing: border-box;
	display: flex;
	gap: 20px;
}

/* Register section: same styling as files */
.register {
	flex: 1;
	padding: 20px;
	box-sizing: border-box;
	background: #8f2222; /* deep maroon */
	color: #ffffff;
	border-radius: 12px;
	box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
	text-align: center;
}

.register h2 {
	margin-top: 0;
	margin-bottom: 10px;
	color: #ffffff;
}

.register p {
	margin-top: 0;
	margin-bottom: 10px;
	color: #f7f3ef;
}

.register a {
	color: #ffffff;
	text-decoration: none;
	font-weight: 600;
	background: rgba(255, 255, 255, 0.14);
	padding: 8px 12px;
	border-radius: 8px;
	display: inline-block;
	transition: background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.register a:hover,
.register a:focus {
	background: rgba(255, 255, 255, 0.22);
	box-shadow: 0 6px 16px rgba(0, 0, 0, 0.22);
	transform: translateY(-1px);
}

/* Make files card flexible */
.files {
	flex: 1;
	margin: 0;
}

/* Breathing room below the header on mobile */
@media (max-width: 640px) {
	.main { margin: 12px 16px; }
	.main-inner { flex-direction: column; }
	.main-logo { flex: 0 0 auto; width: 100%; }
	
	.row2 {
		flex-direction: column;
		margin: 12px 16px;
	}
	
	.files,
	.register {
		margin: 0;
	}
}