* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: #ffffff;
    color: #333333;
    font-family: 'Geist', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
}

.top { height: 6px; background: #47ae37; }

main {
    flex: 1;
    width: 100%;
    max-width: 640px;
    margin: 0 auto;
    padding: 48px 16px 32px;
    text-align: center;
}

.logo { display: inline-block; width: 172px; height: auto; }

h1 {
    margin: 32px 0 12px;
    font-size: 30px;
    font-weight: 700;
    color: #3a9731;
}

.lead { margin: 0 auto 32px; max-width: 520px; color: #647c86; font-size: 18px; }

.contacts {
    margin: 0 auto;
    max-width: 420px;
    padding: 24px 20px;
    border: 1px solid #dddddd;
    border-top: 4px solid #47ae37;
    border-radius: 4px;
    text-align: center;
}

.contacts h2 { margin: 0 0 16px; font-size: 20px; color: #333333; }

.contacts p { margin: 0 0 16px; }

.contacts p:last-child { margin-bottom: 0; }

.label { display: block; font-size: 13px; color: #647c86; text-transform: uppercase; letter-spacing: .04em; }

.phone { font-size: 24px; font-weight: 700; }

a { color: #47ae37; text-decoration: none; }

a:hover, a:focus { color: #3a9731; text-decoration: underline; }

.home { display: inline-block; margin-bottom: 32px; }

footer { padding: 16px; text-align: center; font-size: 13px; color: #777777; border-top: 1px solid #dddddd; }

@media (max-width: 480px) {
    main { padding-top: 32px; }
    h1 { font-size: 24px; }
    .lead { font-size: 16px; }
    .phone { font-size: 22px; }
}