:root {
  --bg: #f4f0e6;
  --text: #2f2f2f;
  --accent: #6f8f6a;
  --muted: #6a6a6a;

  /* =========================
     SPACING RHYTHM SYSTEM
     ========================= */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;

  /* =========================
     TYPOGRAPHY RHYTHM
     ========================= */
  --text-sm: 14px;
  --text-base: 18px;
  --text-lg: 24px;
  --text-xl: 32px;

  --line-height: 1.65;
}

/* =========================
   BASE
   ========================= */

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Crimson Pro", serif;
  line-height: var(--line-height);
  font-size: var(--text-base);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--accent);
}
/* =========================
ARTICLE / CONTENT LINKS
========================= */

main a {
color: var(–accent);
text-decoration: underline;
text-decoration-color: rgba(111,143,106,0.35);
text-underline-offset: 2px;
}

main a:hover {
text-decoration-color: rgba(111,143,106,0.7);
}

/* =========================
   CENTERED HEADER SYSTEM
   ========================= */

.centered-header {
  text-align: center;
  padding: var(--space-md) 20px var(--space-xs);
  font-family: Inter, sans-serif;
}

/* logo */
.logo-wrap {
  margin-bottom: var(--space-sm);
}

.header-logo {
  height: 44px;
  width: auto;
  display: inline-block;
  opacity: 0.92;
  transition: transform 0.2s ease, opacity 0.25s ease;
}

.header-logo:hover {
  transform: scale(1.02);
  opacity: 1;
}

/* nav */
.centered-header .nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: var(--text-sm);
}

.centered-header .nav a {
  position: relative;
  padding: 4px 0;
}

.centered-header .nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0%;
  height: 1px;
  background: var(--accent);
  transition: width 0.2s ease;
}

.centered-header .nav a:hover::after {
  width: 100%;
}

/* =========================
   PAGE LAYOUT SYSTEM
   ========================= */

.page {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-xl) 20px;
}

/* centered text mode */
.page--centered {
  text-align: center;
}
/* =========================
   ABOUT PAGE
   ========================= */

.about-substack {
  margin-top: 80px;
}

.about-substack h2 {
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 16px;
}

/* =========================
   HERO (homepage)
   ========================= */

.hero {
  margin-bottom: var(--space-lg);
}

.big-question {
  font-size: var(--text-lg);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.line {
  margin: var(--space-xs) 0;
  font-size: var(--text-base);
}

.spacer {
  height: var(--space-lg);
}

.section-space {
  height: var(--space-lg);
}

/* CTA */
.cta {
  margin-top: var(--space-lg);
  font-size: var(--text-base);
  color: var(--accent);
}

/* =========================
   TYPOGRAPHY CONSISTENCY
   ========================= */

/* paragraphs (for Invitations, Gather, etc.) */
p {
  margin: 0 0 var(--space-sm);
}

/* optional subtle refinement for long text pages */
.page:not(.page--centered) p {
  line-height: var(--line-height);
}

.article h1 {
  text-align: center;
  font-weight: 500;
  margin-bottom: var(--space-lg);
  letter-spacing: 0.2px;
}

/* =========================
   FOOTER
   ========================= */

.footer {
  text-align: center;
  padding: var(--space-xl) 20px;
  font-size: var(--text-sm);
  color: var(--muted);
}

.footer .warm {
  margin-top: var(--space-xs);
}

/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 700px) {

  .centered-header {
    padding: var(--space-sm) 16px var(--space-xs);
  }

  .centered-header .nav {
    gap: var(--space-sm);
    font-size: 13px;
  }

  .header-logo {
    height: 38px;
  }

  .big-question {
    font-size: 22px;
  }
}