:root {
	--teal-700: #0f766e;
	--teal-800: #115e59;
	--teal-50: #f0fdfa;
	--stone-900: #1c1917;
	--stone-700: #44403c;
	--stone-500: #78716c;
	--stone-200: #e7e5e4;
	--stone-100: #f5f5f4;
	--stone-50: #fafaf9;
}

* {
	box-sizing: border-box;
}

html, body {
	margin: 0;
	padding: 0;
	font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
	background: var(--stone-50);
	color: var(--stone-900);
	line-height: 1.6;
}

header {
	border-bottom: 1px solid var(--stone-200);
	background: white;
}

nav {
	max-width: 1080px;
	margin: 0 auto;
	padding: 1rem 1.5rem;
	display: flex;
	align-items: center;
	justify-content: space-between;
}

.brand {
	font-size: 1.25rem;
	font-weight: 600;
	color: var(--teal-700);
	letter-spacing: -0.02em;
}

.cta, .cta-large {
	display: inline-block;
	background: var(--teal-700);
	color: white;
	text-decoration: none;
	padding: 0.5rem 1rem;
	border-radius: 0.375rem;
	font-weight: 500;
	transition: background 0.15s;
}

.cta:hover, .cta-large:hover {
	background: var(--teal-800);
}

.cta-large {
	padding: 0.875rem 1.75rem;
	font-size: 1.0625rem;
	margin-top: 1rem;
}

main {
	max-width: 1080px;
	margin: 0 auto;
	padding: 0 1.5rem;
}

.hero {
	padding: 5rem 0 4rem;
	max-width: 720px;
}

.hero h1 {
	font-size: clamp(2rem, 5vw, 3rem);
	line-height: 1.15;
	margin: 0 0 1.5rem;
	font-weight: 700;
	letter-spacing: -0.025em;
}

.hero .lead {
	font-size: 1.1875rem;
	color: var(--stone-700);
	margin: 0;
}

.features {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
	gap: 1.5rem;
	padding: 3rem 0;
	border-top: 1px solid var(--stone-200);
	border-bottom: 1px solid var(--stone-200);
}

.feature {
	background: white;
	padding: 1.75rem;
	border-radius: 0.5rem;
	border: 1px solid var(--stone-200);
}

.feature h2 {
	font-size: 1.125rem;
	margin: 0 0 0.5rem;
	color: var(--teal-700);
}

.feature p {
	margin: 0;
	color: var(--stone-700);
	font-size: 0.9375rem;
}

.about {
	padding: 4rem 0;
	max-width: 720px;
}

.about h2 {
	font-size: 1.5rem;
	margin: 0 0 1rem;
	letter-spacing: -0.02em;
}

.about p {
	color: var(--stone-700);
	margin: 0 0 1rem;
}

footer {
	border-top: 1px solid var(--stone-200);
	padding: 2rem 1.5rem;
	text-align: center;
	color: var(--stone-500);
	font-size: 0.875rem;
}