/* Pydealist: plain, readable, no template flourishes. */

:root {
  --ink: #1a1a1a;
  --paper: #fdfcf9;
  --muted: #6b6b63;
  --line: #e2e0d8;
  --accent: #1d4ed8;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 19px;
  line-height: 1.6;
}

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px;
}

header.site {
  border-bottom: 1px solid var(--line);
  padding: 28px 0;
}

header.site .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 24px;
}

.logo {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

nav.site-nav {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
}

nav.site-nav a {
  color: var(--ink);
  text-decoration: none;
  margin-left: 22px;
}

nav.site-nav a:first-child { margin-left: 0; }

nav.site-nav a:hover { text-decoration: underline; }

nav.site-nav a.cta {
  color: var(--accent);
  font-weight: 700;
}

main { padding: 56px 0 80px; }

h1 {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 40px;
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}

h2 {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 26px;
  line-height: 1.25;
  margin: 56px 0 16px;
}

h3 {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 20px;
  margin: 32px 0 10px;
}

p { margin: 0 0 20px; }

a { color: var(--accent); }

.dek {
  font-size: 21px;
  color: var(--muted);
  margin-bottom: 32px;
}

.lede {
  font-size: 21px;
  margin-bottom: 32px;
}

.btn {
  display: inline-block;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--paper);
  background: var(--ink);
  padding: 13px 22px;
  border-radius: 4px;
  text-decoration: none;
}

.btn:hover { background: #333; }

hr.rule {
  border: none;
  border-top: 1px solid var(--line);
  margin: 48px 0;
}

.meta {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--muted);
}

/* Blog index */
.post-list-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.post-list-item:first-child { padding-top: 0; }

.post-list-item h3 { margin: 4px 0 8px; }

.post-list-item a { color: var(--ink); text-decoration: none; }
.post-list-item a:hover { text-decoration: underline; }

/* Calculator */
.calc {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 28px;
  margin: 32px 0;
  background: #ffffff;
}

.calc-field { margin-bottom: 20px; }
.calc-field:last-of-type { margin-bottom: 0; }

.calc label {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--muted);
  display: block;
  margin-bottom: 6px;
}

.calc input[type="range"] {
  width: 100%;
  margin: 12px 0 4px;
}

.calc .amount {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 18px;
  font-weight: 400;
  color: var(--muted);
}

.calc-results {
  margin-top: 20px;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px;
}

.calc-results div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 8px 0;
  border-top: 1px solid var(--line);
}

.calc-results .figure {
  font-weight: 700;
  font-size: 20px;
}

.calc-results div:not(:first-child) .figure {
  font-size: 26px;
  color: var(--accent);
}

footer.site {
  border-top: 1px solid var(--line);
  padding: 32px 0 56px;
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  color: var(--muted);
}

footer.site a { color: var(--muted); }

ul.plain { padding-left: 22px; }
ul.plain li { margin-bottom: 14px; }

@media (max-width: 520px) {
  body { font-size: 17px; }
  h1 { font-size: 32px; }
  h2 { font-size: 22px; }
}

/* Homepage: single no-scroll landing page, tighter than the rest of the site */
body.home main { padding: 32px 0 40px; }
body.home h1 { font-size: 34px; margin-bottom: 14px; }
body.home .dek { font-size: 19px; margin-bottom: 22px; }
body.home h2 { margin: 28px 0 10px; font-size: 22px; }
body.home .calc { padding: 22px; margin: 20px 0; }
body.home .calc-results div { padding: 6px 0; }