:root {
	--bg: #f8fafc;
	--text: #0f172a;
	--muted: #475569;
	--accent: #2563eb;
	--header: #0f172a;
	--card-bg: #ffffff;
	--gap: 1rem;
	--container-max: 900px;
}

/* Basic reset */
* {
	box-sizing: border-box;
}
html,
body {
	height: 100%;
}
body {
	margin: 0;
	font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto,
		"Helvetica Neue", Arial;
	background: var(--bg);
	color: var(--text);
	-webkit-font-smoothing: antialiased;
}

.container {
	max-width: var(--container-max);
	margin: 0 auto;
	padding: 1rem;
}

.skip-link {
	position: absolute;
	left: -9999px;
	top: auto;
	width: 1px;
	height: 1px;
	overflow: hidden;
}
.skip-link:focus {
	position: static;
	width: auto;
	height: auto;
	padding: 0.5rem;
	background: #000;
	color: #fff;
	z-index: 999;
}

.site-header {
	background: var(--header);
	color: #fff;
}
.site-header .container {
	display: flex;
	align-items: center;
	justify-content: space-between;
}
.site-title {
	margin: 0;
	padding: 0.75rem 0;
	font-size: 1.25rem;
}
.site-nav ul {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	gap: 1rem;
}
.site-nav a {
	color: #fff;
	text-decoration: none;
	padding: 0.5rem;
	border-radius: 4px;
}
.site-nav a:focus,
.site-nav a:hover {
	outline: 2px solid rgba(255, 255, 255, 0.15);
}

.hero {
	padding: 2rem 0;
	text-align: center;
}
.hero-title {
	font-size: 1.5rem;
	margin: 0;
	color: var(--accent);
}
.hero-sub {
	color: var(--muted);
	margin: 0.5rem 0 1rem;
}
.btn {
	background: var(--accent);
	color: #fff;
	padding: 0.5rem 1rem;
	border-radius: 6px;
	text-decoration: none;
	display: inline-block;
}

.card {
	background: var(--card-bg);
	padding: 1rem;
	border-radius: 8px;
	margin: 1rem 0;
	box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}
.card h3 {
	margin-top: 0;
}

.projects-list {
	margin: 0;
	padding-left: 1rem;
}

.contact-form {
	display: grid;
	gap: 0.5rem;
}
.contact-form label {
	display: block;
}
.contact-form input,
.contact-form textarea {
	width: 100%;
	padding: 0.5rem;
	border: 1px solid #e6eef7;
	border-radius: 6px;
}
.contact-form button {
	justify-self: start;
}

.site-footer {
	background: #e2e8f0;
	color: var(--muted);
	padding: 1rem 0;
	margin-top: 2rem;
}
.site-footer .container {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 1rem;
}

@media (min-width: 700px) {
	.hero-title {
		font-size: 2rem;
	}
	.site-title {
		font-size: 1.5rem;
	}
}

/* Focus styles for accessibility */
a:focus,
button:focus,
input:focus,
textarea:focus {
	outline: 3px solid rgba(37, 99, 235, 0.25);
	outline-offset: 2px;
}