:root {
  --paper: #f3efe4;
  --paper-deep: #e7e0d1;
  --card: #fbf8f2;
  --ink: #1c2b24;
  --muted: #5c6b62;
  --moss: #234237;
  --leaf: #3d6b4e;
  --gold: #8d6a32;
  --line: #d8d0c2;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(61, 107, 78, 0.08), transparent 32rem),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.65;
}

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

img, svg { display: block; max-width: 100%; }

.wrap {
  width: min(72rem, calc(100% - 2.5rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 2;
  background: rgba(243, 239, 228, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 4.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: inherit;
  text-decoration: none;
  font-family: var(--serif);
  font-size: 1.25rem;
}

.brand svg { width: 2rem; height: 2rem; }

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.nav a {
  color: var(--moss);
  text-decoration: none;
  font-size: 0.95rem;
}

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

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 3rem;
  align-items: end;
  padding: 4.5rem 0 3rem;
}

.kicker {
  margin: 0 0 0.8rem;
  color: var(--gold);
  font-size: 0.82rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.15; }

h1 { margin: 0 0 1rem; font-size: clamp(2.6rem, 6vw, 4.6rem); }

.lede { margin: 0; max-width: 38rem; font-size: 1.2rem; color: var(--muted); }

.hero-note {
  margin: 0;
  padding: 1.4rem 1.5rem;
  background: var(--moss);
  color: #f6f3ea;
  border-radius: 1.2rem 1.2rem 1.2rem 0.3rem;
}

.hero-note strong { display: block; margin-bottom: 0.4rem; font-family: var(--serif); font-size: 1.35rem; font-weight: 500; }

.section { padding: 2.5rem 0 1rem; }

.section h2 { margin: 0 0 0.4rem; font-size: clamp(2rem, 4vw, 2.8rem); }

.section-intro { margin: 0 0 1.8rem; max-width: 40rem; color: var(--muted); }

.plants {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.plant {
  margin: 0;
  padding: 1.3rem 1.3rem 1.15rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.plant h3 { margin: 0.7rem 0 0.15rem; font-size: 1.45rem; }

.latin {
  margin: 0 0 0.8rem;
  color: var(--gold);
  font-style: italic;
}

.plant p { margin: 0; }

.swatch {
  width: 100%;
  height: 0.45rem;
  border-radius: 999px;
}

.swatch-a { background: #2f6a45; }
.swatch-b { background: #6d8f4e; }
.swatch-c { background: #d7e2c4; }
.swatch-d { background: #8d6a32; }
.swatch-e { background: #1f3d32; }
.swatch-f { background: #c4b48a; }

.care {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2rem;
  align-items: start;
}

.care-list { margin: 0; }

.care-list div {
  display: grid;
  grid-template-columns: 8rem 1fr;
  gap: 1rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line);
}

.care-list dt { font-family: var(--serif); font-size: 1.15rem; }

.care-list dd { margin: 0; color: var(--muted); }

.seasons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.seasons li {
  padding: 1.1rem 1rem 1.2rem;
  background: var(--paper-deep);
  border-radius: 0.9rem;
}

.seasons h3 { margin: 0 0 0.45rem; font-size: 1.3rem; }

.seasons p { margin: 0; color: var(--muted); }

.site-footer {
  margin-top: 3rem;
  padding: 1.6rem 0 2.2rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.missing {
  min-height: 100vh;
  display: grid;
  align-content: center;
  padding: 4rem 0 6rem;
}

.missing h1 { font-size: clamp(2.4rem, 6vw, 4rem); }

.button {
  display: inline-block;
  margin-top: 0.6rem;
  padding: 0.7rem 1.1rem;
  background: var(--moss);
  color: #f6f3ea;
  text-decoration: none;
  border-radius: 999px;
}

@media (max-width: 900px) {
  .hero, .care, .plants, .seasons { grid-template-columns: 1fr; }
  .site-header .wrap { align-items: flex-start; flex-direction: column; padding: 0.9rem 0; }
  .care-list div { grid-template-columns: 1fr; gap: 0.2rem; }
}