/* Brand: humble, practical, trust-first. No flex. No luxury aesthetic. */

:root {
  --ink: #111418;
  --ink-soft: #2a2f36;
  --muted: #5a6472;
  --line: #e5e7eb;
  --bg: #fafaf8;
  --surface: #ffffff;
  --accent: #1d4d2b;       /* calm forest green */
  --accent-soft: #e6efe8;
  --warn: #9a4a1a;
  --max-width: 1080px;
  --radius: 6px;
  --shadow: 0 1px 2px rgba(17, 20, 24, 0.04), 0 4px 14px rgba(17, 20, 24, 0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3, h4 {
  font-family: "Iowan Old Style", "Charter", Georgia, "Times New Roman", serif;
  color: var(--ink);
  line-height: 1.25;
  margin: 0 0 0.5em 0;
  font-weight: 600;
}
h1 { font-size: 2.25rem; letter-spacing: -0.01em; }
h2 { font-size: 1.6rem; }
h3 { font-size: 1.2rem; }

p { margin: 0 0 1em 0; }
ul { padding-left: 1.2em; }

/* Layout */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Nav */
.nav {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  position: sticky; top: 0; z-index: 10;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
}
.brand {
  font-family: "Iowan Old Style", "Charter", Georgia, serif;
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--ink);
}
.nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  padding: 0; margin: 0;
  font-size: 0.95rem;
}
.nav a { color: var(--ink-soft); }
.nav a:hover { color: var(--accent); text-decoration: none; }

/* Hero */
.hero {
  padding: 72px 0 48px 0;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}
.hero h1 { max-width: 760px; }
.hero .sub {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 680px;
  margin-top: 8px;
}
.hero .cta-row {
  margin-top: 28px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.98rem;
  border: 1px solid var(--accent);
  text-decoration: none;
  transition: transform 0.04s ease-in;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #163820; color: #fff; }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent-soft); }

/* Sections */
section.block {
  padding: 56px 0;
  border-bottom: 1px solid var(--line);
}
section.block:last-of-type { border-bottom: none; }
.block h2 { margin-bottom: 18px; }
.block .lede { color: var(--muted); max-width: 680px; margin-bottom: 28px; }

/* Credibility strip */
.credit-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  padding: 28px 0;
}
.credit-item {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 18px;
  border-radius: var(--radius);
}
.credit-item .big {
  font-family: "Iowan Old Style", Georgia, serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
  display: block;
}
.credit-item .label {
  color: var(--muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

/* Pillars */
.pillars {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
.pillar {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 20px;
}
.pillar h3 { margin-top: 0; }

/* Guide cards */
.guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.guide-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 22px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
}
.guide-card .tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 12px;
  font-weight: 600;
  align-self: flex-start;
}
.guide-card h3 { margin-top: 4px; }
.guide-card p { color: var(--muted); margin-bottom: 18px; }
.guide-card .card-cta {
  margin-top: auto;
}

/* Email signup */
.signup {
  background: var(--accent-soft);
  border-radius: var(--radius);
  padding: 36px;
  text-align: center;
}
.signup h2 { margin-bottom: 8px; }
.signup p { color: var(--ink-soft); max-width: 540px; margin: 0 auto 20px auto; }
.signup form {
  display: flex;
  gap: 10px;
  max-width: 480px;
  margin: 0 auto;
  flex-wrap: wrap;
  justify-content: center;
}
.signup input[type="email"] {
  flex: 1 1 240px;
  padding: 12px 14px;
  border: 1px solid #cfd4d9;
  border-radius: var(--radius);
  font-size: 1rem;
  background: #fff;
}
.signup .fine {
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 14px;
}

/* Footer */
footer {
  border-top: 1px solid var(--line);
  padding: 32px 0 40px 0;
  color: var(--muted);
  font-size: 0.9rem;
}
footer .foot-row {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}
footer a { color: var(--ink-soft); }

/* Guide page layout */
.guide-article {
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 0;
}
.guide-article h1 { margin-bottom: 0.3em; }
.guide-article .guide-sub {
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 28px;
}
.guide-article h2 { margin-top: 2em; }
.guide-article ul li { margin-bottom: 6px; }
.guide-article .disclaimer {
  font-size: 0.88rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
  margin-top: 40px;
  padding-top: 20px;
}

/* Utility */
.muted { color: var(--muted); }
.center { text-align: center; }

@media (max-width: 600px) {
  h1 { font-size: 1.8rem; }
  .hero { padding: 48px 0 32px 0; }
  section.block { padding: 40px 0; }
  .nav ul { gap: 12px; }
}