/* Plantrino Guides — shared stylesheet */

:root {
  --green-deep: #1f6b46;
  --green: #2e8b57;
  --green-light: #e9f3ec;
  --ink: #1d2421;
  --ink-soft: #4a544e;
  --line: #dfe6e0;
  --bg: #fbfaf6;
  --card: #ffffff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "Newsreader", Georgia, "Times New Roman", serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 19px;
  -webkit-font-smoothing: antialiased;
}

/* ---- Header ---- */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--line);
  padding: 18px 24px;
}
.site-header .wrap {
  max-width: 1040px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: 1.45rem;
  color: var(--green-deep);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.brand span { color: var(--ink); }
.nav a {
  color: var(--ink-soft);
  text-decoration: none;
  font-size: 0.95rem;
  margin-left: 22px;
}
.nav a:hover { color: var(--green-deep); }

/* ---- Layout ---- */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
.wide { max-width: 1040px; }

/* ---- Article header ---- */
.eyebrow {
  font-family: "Fraunces", Georgia, serif;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--green);
}
h1 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: 2.5rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 14px 0 16px;
  color: var(--ink);
}
.lede {
  font-size: 1.22rem;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.byline {
  font-size: 0.9rem;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
  margin-bottom: 8px;
}

/* ---- Article body ---- */
article h2 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: 1.6rem;
  margin: 42px 0 12px;
  color: var(--green-deep);
  letter-spacing: -0.01em;
}
article h3 {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  font-size: 1.18rem;
  margin: 28px 0 8px;
  color: var(--ink);
}
article p { margin: 0 0 18px; }
article ul, article ol { margin: 0 0 18px 26px; }
article li { margin-bottom: 8px; }
article strong { color: var(--ink); }
a { color: var(--green-deep); }

/* ---- Callouts ---- */
.formula {
  background: var(--green-light);
  border-left: 4px solid var(--green);
  padding: 18px 22px;
  margin: 24px 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.05rem;
}
.note {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 24px;
  margin: 26px 0;
}
.note .note-title {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  color: var(--green-deep);
  display: block;
  margin-bottom: 6px;
}

/* ---- Tool CTA ---- */
.tool-cta {
  text-align: center;
  background: var(--green-deep);
  color: #fff;
  border-radius: 14px;
  padding: 30px 28px;
  margin: 38px 0;
}
.tool-cta p { color: #d9ecdf; margin-bottom: 16px; }
.tool-cta .btn {
  display: inline-block;
  background: #fff;
  color: var(--green-deep);
  font-family: "Fraunces", Georgia, serif;
  font-weight: 600;
  text-decoration: none;
  padding: 12px 28px;
  border-radius: 999px;
}

/* ---- Tables ---- */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 22px 0;
  font-size: 0.98rem;
}
th, td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
}
th { background: var(--green-light); font-family: "Fraunces", Georgia, serif; }

/* ---- FAQ ---- */
.faq h3 { margin-top: 22px; }

/* ---- Related ---- */
.related {
  border-top: 1px solid var(--line);
  margin-top: 50px;
  padding-top: 28px;
}
.related h2 { font-size: 1.3rem; margin-top: 0; }
.related a { display: block; margin-bottom: 8px; text-decoration: none; }
.related a:hover { text-decoration: underline; }

/* ---- Index grid ---- */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 22px;
  margin-top: 36px;
}
.guide-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 24px;
  text-decoration: none;
  color: var(--ink);
  transition: transform .15s ease, box-shadow .15s ease;
}
.guide-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 24px rgba(31,107,70,0.12);
}
.guide-card .tag {
  font-family: "Fraunces", Georgia, serif;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green);
}
.guide-card h3 {
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.22rem;
  margin: 8px 0 8px;
  color: var(--ink);
}
.guide-card p { font-size: 0.98rem; color: var(--ink-soft); }

/* ---- Footer ---- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--card);
  padding: 34px 24px;
  text-align: center;
  font-size: 0.9rem;
  color: var(--ink-soft);
}
.site-footer a { color: var(--ink-soft); margin: 0 10px; }

/* ---- Responsive ---- */
@media (max-width: 600px) {
  body { font-size: 18px; }
  h1 { font-size: 2rem; }
  .container { padding: 32px 20px 60px; }
  .nav a { margin-left: 14px; font-size: 0.88rem; }
}