:root {
  --bg: #f6f1e7;
  --bg2: #eef5ef;
  --ink: #1c2b24;
  --muted: #5a6b62;
  --card: #fffdf8;
  --line: #d5e0d6;
  --accent: #2f6b4f;
  --accent2: #c45c26;
  --sky: #dce9f5;
  --shadow: 0 10px 30px rgba(28, 43, 36, 0.08);
  --radius: 18px;
  --font: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Avenir Next", "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.55;
  background:
    radial-gradient(1200px 600px at 10% -10%, #e7f0e8 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, var(--sky) 0%, transparent 50%),
    var(--bg);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent2); }
.wrap { width: min(1080px, calc(100% - 2rem)); margin: 0 auto; }
.site-header {
  padding: 1.25rem 0 0.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.brand {
  font-family: var(--font);
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
}
.brand span { color: var(--accent); font-weight: 500; }
.pill {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: #fff; border: 1px solid var(--line); border-radius: 999px;
  padding: 0.35rem 0.8rem; font-size: 0.85rem; color: var(--muted);
}
.hero {
  margin: 1.5rem 0 2rem;
  padding: 2.2rem 1.8rem;
  background: linear-gradient(135deg, #223b31 0%, #2f6b4f 55%, #4f8f6d 100%);
  color: #f7fff8;
  border-radius: 28px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute; inset: auto -20% -40% 40%;
  height: 220px;
  background: radial-gradient(circle, rgba(255,255,255,0.12), transparent 60%);
}
.hero h1 {
  font-family: var(--font);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin: 0 0 0.6rem;
  line-height: 1.15;
}
.hero p { margin: 0; max-width: 40rem; opacity: 0.92; }
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 3rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.1rem 1.15rem 1.2rem;
  box-shadow: var(--shadow);
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease, border-color 0.15s ease;
  display: flex; flex-direction: column; gap: 0.35rem;
  min-height: 150px;
}
.card:hover { transform: translateY(-3px); border-color: #b9cfc0; }
.card .month {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--accent2); font-weight: 700;
}
.card h2 {
  font-family: var(--font); font-size: 1.25rem; margin: 0; line-height: 1.2;
}
.card .sci { font-size: 0.9rem; color: var(--muted); font-style: italic; }
.card .pose { font-size: 0.85rem; color: var(--muted); margin-top: auto; }
.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.species-hero {
  margin: 1rem 0 1.5rem;
  padding: 1.8rem 1.5rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.species-hero .month-chip {
  display: inline-block;
  background: #e7f3eb;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  margin-bottom: 0.7rem;
}
.species-hero h1 {
  font-family: var(--font);
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  margin: 0 0 0.25rem;
}
.species-hero .sci { color: var(--muted); font-style: italic; margin: 0 0 0.8rem; }
.scan-note {
  display: inline-flex; gap: 0.5rem; align-items: center;
  background: #fff7ee; border: 1px solid #f0d7b8; color: #7a4a1e;
  padding: 0.45rem 0.8rem; border-radius: 12px; font-size: 0.9rem;
}
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.3rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.panel h2 {
  font-family: var(--font);
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
}
.facts { display: grid; gap: 0.85rem; }
.fact-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.07em; color: var(--accent); font-weight: 700; }
ul.clean { margin: 0.3rem 0 0; padding-left: 1.1rem; }
ul.clean li { margin: 0.25rem 0; }
.audio-block {
  display: grid; gap: 0.9rem;
}
.audio-item {
  background: #f3f8f4;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
}
.audio-item h3 { margin: 0 0 0.35rem; font-size: 1rem; }
.audio-item p { margin: 0 0 0.6rem; color: var(--muted); font-size: 0.92rem; }
audio { width: 100%; margin: 0.4rem 0; }
.btn-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff !important;
  text-decoration: none !important;
  font-size: 0.9rem;
  font-weight: 600;
}
.btn.secondary {
  background: #fff;
  color: var(--accent) !important;
}
.btn.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink) !important;
}
.meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}
.meta {
  background: #f7faf7;
  border-radius: 12px;
  padding: 0.7rem 0.8rem;
}
.meta b { display: block; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.nav-next {
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  margin: 1.5rem 0 2rem;
}
.tiny { font-size: 0.82rem; color: var(--muted); }
@media (max-width: 600px) {
  .hero { padding: 1.5rem 1.2rem; }
  .site-header { flex-direction: column; align-items: flex-start; }
}

/* --- calendar subsections / index polish --- */
.nav-pills { display:flex; flex-wrap:wrap; gap:0.45rem; }
.nav-pills a {
  display:inline-flex; align-items:center;
  padding:0.35rem 0.75rem; border-radius:999px;
  border:1px solid var(--line); background:#fff;
  color:var(--muted); text-decoration:none; font-size:0.82rem; font-weight:600;
}
.nav-pills a:hover { border-color:#b9cfc0; color:var(--accent); }
.eyebrow {
  display:inline-block; font-size:0.78rem; letter-spacing:0.08em; text-transform:uppercase;
  font-weight:700; opacity:0.9; margin-bottom:0.55rem;
}
.lede { margin:0; max-width:42rem; opacity:0.95; }
.scientific, p.scientific { font-style:italic; opacity:0.9; margin:0 0 0.6rem; }
.wave-label {
  font-family:var(--font); font-size:1.15rem; font-weight:700;
  margin:2rem 0 0.8rem; padding-bottom:0.35rem; border-bottom:2px solid var(--line);
}
.species-grid, .grid.species-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:1rem; margin-bottom:1.5rem; }
a.species-card, .species-card {
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  padding:1.05rem 1.1rem; box-shadow:var(--shadow); text-decoration:none; color:inherit;
  display:flex; flex-direction:column; gap:0.3rem; min-height:140px;
  transition:transform 0.15s ease, border-color 0.15s ease;
}
a.species-card:hover { transform:translateY(-3px); border-color:#b9cfc0; }
.subsection-grid {
  display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:1rem; margin:1rem 0 2rem;
}
.subsection-card {
  background:linear-gradient(160deg,#fffdf8 0%,#eef6f0 100%);
  border:1px solid var(--line); border-radius:20px; padding:1.25rem 1.3rem;
  text-decoration:none; color:inherit; box-shadow:var(--shadow);
}
.subsection-card:hover { border-color:#b9cfc0; }
.subsection-card h3 { font-family:var(--font); margin:0 0 0.35rem; font-size:1.25rem; }
.subsection-card p { margin:0; color:var(--muted); font-size:0.92rem; }
.call-panel .btn-row, .call-actions { display:flex; flex-wrap:wrap; gap:0.5rem; margin-top:0.6rem; }
.btn-primary { background:var(--accent); color:#fff !important; border-color:var(--accent); }
.btn-ghost, a.btn-ghost {
  display:inline-flex; align-items:center; justify-content:center;
  padding:0.55rem 0.9rem; border-radius:999px; border:1px solid var(--line);
  background:transparent; color:var(--ink) !important; text-decoration:none !important;
  font-size:0.9rem; font-weight:600;
}
.meta-item dt { font-size:0.72rem; text-transform:uppercase; letter-spacing:0.06em; color:var(--muted); }
.meta-item dd { margin:0.15rem 0 0; font-weight:600; }
.credit { color:var(--muted); font-size:0.88rem; margin:1.5rem 0 1rem; }