/* RxPlainly — clean, fast, readable. No frameworks, no webfonts, no JS. */
:root {
  --ink: #17293b;
  --ink-soft: #43566b;
  --accent: #0d7a68;
  --accent-dark: #0a5f52;
  --accent-soft: #e9f5f2;
  --paper: #ffffff;
  --wash: #f5f8f7;
  --line: #dfe7e4;
  --warn-bg: #fff9e8;
  --warn-line: #d9a91f;
  --radius: 10px;
  --measure: 72ch;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.65;
  font-size: 1.0625rem;
}

/* ---------- header ---------- */
.site-banner {
  background: var(--ink);
  color: #fff;
  font-size: 0.85rem;
  text-align: center;
  padding: 0.45rem 1rem;
}
.site-banner a { color: #9fd8cd; }

.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.brand {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.brand span { color: var(--accent); }
nav.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}
nav.main-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}
nav.main-nav a:hover { color: var(--accent-dark); }

/* ---------- layout ---------- */
.wrap {
  max-width: 1080px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
}
.measure { max-width: var(--measure); }

main { display: block; }

.hero {
  background: var(--accent-soft);
  border-bottom: 1px solid var(--line);
  padding: 2.5rem 0;
}
.hero h1 {
  font-size: 2.1rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  max-width: 22ch;
}
.hero p.lede {
  font-size: 1.15rem;
  color: var(--ink-soft);
  max-width: 52ch;
  margin: 0;
}

/* ---------- cards ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin: 1.5rem 0 2.5rem;
  padding: 0;
  list-style: none;
}
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  background: var(--paper);
  display: flex;
  flex-direction: column;
}
.card:hover { border-color: var(--accent); }
.card h3 { margin: 0 0 0.5rem; font-size: 1.12rem; line-height: 1.35; }
.card h3 a { color: var(--ink); text-decoration: none; }
.card h3 a:hover { color: var(--accent-dark); text-decoration: underline; }
.card p { margin: 0 0 0.75rem; color: var(--ink-soft); font-size: 0.97rem; flex: 1; }
.card .kicker {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-dark);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

/* ---------- article ---------- */
.article-head { margin: 2rem 0 1.25rem; }
.article-head .kicker {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-dark);
  font-weight: 700;
}
.article-head h1 {
  font-size: 2rem;
  line-height: 1.25;
  letter-spacing: -0.015em;
  margin: 0.4rem 0 0.6rem;
}
.article-head .dateline { color: var(--ink-soft); font-size: 0.9rem; }
.article-head .reviewed-by { color: var(--ink-soft); font-size: 0.9rem; margin-top: 0.15rem; }
.article-head .reviewed-by strong { color: var(--ink); }

article h2 {
  font-size: 1.4rem;
  margin: 2rem 0 0.6rem;
  letter-spacing: -0.01em;
}
article h3 { font-size: 1.12rem; margin: 1.5rem 0 0.4rem; }
article p, article li { color: var(--ink); }
article ul, article ol { padding-left: 1.4rem; }
article li { margin-bottom: 0.4rem; }

.takeaways {
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1rem 1.25rem;
  margin: 1.75rem 0;
}
.takeaways h2, .takeaways strong.t-title {
  font-size: 1rem;
  margin: 0 0 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.takeaways ul { margin: 0; }

.disclaimer-box {
  background: var(--warn-bg);
  border: 1px solid var(--warn-line);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1.75rem 0;
  font-size: 0.93rem;
}
.disclaimer-box strong { display: block; margin-bottom: 0.25rem; }
.disclaimer-box p { margin: 0; color: var(--ink); }

.sources {
  border-top: 1px solid var(--line);
  margin-top: 2.5rem;
  padding-top: 1rem;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.sources h2 { font-size: 1.05rem; }
.sources ul { padding-left: 1.2rem; }
.sources a { color: var(--accent-dark); }

/* ---------- footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--wash);
  margin-top: 3rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.site-footer .cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  padding: 2rem 0 1rem;
}
.site-footer h4 { margin: 0 0 0.5rem; font-size: 0.95rem; color: var(--ink); }
.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 0.35rem; }
.site-footer a { color: var(--ink-soft); }
.site-footer a:hover { color: var(--accent-dark); }
.site-footer .fineprint {
  border-top: 1px solid var(--line);
  padding: 1rem 0 1.5rem;
  font-size: 0.82rem;
}

/* ---------- misc ---------- */
a { color: var(--accent-dark); }
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius);
}
.btn:hover { background: var(--accent-dark); color: #fff; }
.section-title { font-size: 1.5rem; letter-spacing: -0.01em; margin: 2rem 0 0.25rem; }
.section-sub { color: var(--ink-soft); margin: 0 0 0.5rem; }

@media (max-width: 640px) {
  body { font-size: 1rem; }
  .hero h1 { font-size: 1.65rem; }
  .article-head h1 { font-size: 1.6rem; }
  .site-header .wrap { padding-top: 0.75rem; padding-bottom: 0.75rem; }
}