:root {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: #202124;
    background: #f5f6f7;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

header {
    max-width: 980px;
    margin: auto;
    padding: 28px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: 20px;
    font-weight: 700;
    color: inherit;
    text-decoration: none;
}

nav {
    display: flex;
    gap: 22px;
}

nav a {
    color: #455;
    text-decoration: none;
}

main {
    max-width: 980px;
    margin: auto;
    padding: 80px 24px;
}

.hero {
    max-width: 720px;
}

.eyebrow {
    text-transform: uppercase;
    letter-spacing: .1em;
    font-size: 13px;
    opacity: .55;
}

h1 {
    font-size: clamp(42px, 7vw, 72px);
    line-height: 1.05;
    margin: 20px 0;
}

.lead {
    max-width: 600px;
    font-size: 20px;
    line-height: 1.6;
    opacity: .7;
}

.grid {
    margin-top: 70px;
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 18px;
}

article {
    padding: 26px;
    background: white;
    border-radius: 14px;
}

article p {
    opacity: .7;
    line-height: 1.55;
}

footer {
    max-width: 980px;
    margin: 40px auto;
    padding: 24px;
    font-size: 14px;
    opacity: .5;
}

@media(max-width:700px) {
    .grid {
        grid-template-columns: 1fr;
    }
}