:root { --ink: #1b2430; --muted: #5d6b7a; --line: #dfe4ea; --accent: #16624a; }
* { box-sizing: border-box; }
body { margin: 0; font: 16px/1.65 Georgia, "Times New Roman", serif; color: var(--ink); background: #fbfaf7; }
header { border-bottom: 3px double var(--line); padding: 28px 24px; }
.wrap { max-width: 880px; margin: 0 auto; }
h1 { margin: 0; font-size: 27px; letter-spacing: .01em; }
.est { color: var(--muted); font-size: 13px; font-variant: small-caps; letter-spacing: .08em; }
nav { margin-top: 14px; font-size: 14px; }
nav a { color: var(--accent); text-decoration: none; margin-right: 20px; }
nav a:hover { text-decoration: underline; }
main { padding: 34px 24px 60px; }
h2 { font-size: 20px; margin: 34px 0 10px; }
p { margin: 0 0 14px; }
.lede { font-size: 18px; color: #2c3a49; }
table { width: 100%; border-collapse: collapse; margin: 16px 0 6px; font-size: 15px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
footer { border-top: 1px solid var(--line); padding: 22px 24px 40px; color: var(--muted); font-size: 13px; }
@media (max-width: 620px) { h1 { font-size: 22px; } main { padding: 24px 18px 44px; } }

/* Illustrations scale down rather than overflowing a phone. */
.figure { display: block; width: 100%; height: auto; margin: 18px 0 24px; border-radius: 6px; }