* { box-sizing: border-box; }

body {
    margin: 0;
    background: #f7f7f4;
    color: #202124;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.6;
}

.page {
    width: min(860px, calc(100% - 40px));
    margin: 0 auto;
    padding: 48px 0 72px;
}

.top {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: center;
    padding-bottom: 36px;
}

.brand { color: #202124; font-weight: 800; text-decoration: none; }
.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a { color: #4b5563; text-decoration: none; font-size: 14px; font-weight: 600; }
h1 { margin: 0 0 12px; font-size: clamp(36px, 7vw, 68px); line-height: .95; }
h2 { margin: 36px 0 10px; font-size: 22px; }
p, li { color: #3f444a; font-size: 16px; }
.lead { font-size: 19px; color: #2f3338; }
.panel { margin-top: 28px; padding: 22px; border: 1px solid #d9d9d4; background: #fff; border-radius: 8px; }
footer { margin-top: 48px; color: #6b7280; font-size: 14px; }

@media (max-width: 620px) {
    .top { align-items: flex-start; flex-direction: column; }
}