@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,600&family=Space+Grotesk:wght@400;500;600&display=swap");

:root {
  --bg: #f5efe7;
  --bg-alt: #e9f0e2;
  --ink: #1f2721;
  --muted: #5f6b60;
  --accent: #d06f3f;
  --accent-2: #3f7b5a;
  --card: #fbfaf6;
  --line: #c9c1b8;
  --shadow: rgba(23, 24, 20, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 20% 20%, #fef6e3, transparent 55%),
    radial-gradient(circle at 85% 30%, #e6f4d2, transparent 50%),
    linear-gradient(120deg, var(--bg), var(--bg-alt));
  font-family: "Space Grotesk", "Gill Sans", sans-serif;
}

h1, h2 {
  font-family: "Fraunces", "Times New Roman", serif;
  margin: 0 0 0.5rem 0;
}

h1 {
  font-size: clamp(2.3rem, 4vw, 3.5rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.3rem;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ghost-button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: border-color 120ms ease, transform 120ms ease;
}

.ghost-button:hover {
  border-color: var(--accent);
  transform: translateY(-1px);
}

p {
  margin: 0.5rem 0;
}

.hero {
  padding: 2.5rem 6vw 1.5rem;
}

.site-nav {
  padding: 0 6vw 1.5rem;
}

.nav-inner {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.6rem;
  align-items: center;
  background: rgba(251, 250, 246, 0.7);
  border: 1px solid rgba(201, 193, 184, 0.6);
  padding: 0.7rem 1rem;
  border-radius: 999px;
}

.nav-groups {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.9rem;
  align-items: center;
  overflow-x: auto;
  padding-bottom: 0.1rem;
  scrollbar-width: thin;
}

.nav-group {
  display: inline-flex;
  flex-wrap: nowrap;
  gap: 0.35rem;
  align-items: center;
  white-space: nowrap;
}

.nav-group-label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink);
}

.nav-sep {
  color: var(--muted);
}

.nav-label {
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nav-link {
  color: var(--ink);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.2rem 0.4rem;
  border-radius: 999px;
  transition: background 120ms ease, color 120ms ease;
  white-space: nowrap;
}

.nav-link:hover {
  background: rgba(208, 111, 63, 0.12);
}

.nav-link.is-active {
  background: rgba(63, 123, 90, 0.18);
  color: var(--accent-2);
  font-weight: 600;
}

.nav-link.is-active::after {
  content: "You are here";
  margin-left: 0.5rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.hero-inner {
  display: flex;
  gap: 2rem;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.3em;
  font-size: 0.75rem;
  color: var(--accent-2);
  margin-bottom: 0.5rem;
}

.subhead {
  max-width: 40rem;
  color: var(--muted);
}

.legend {
  display: grid;
  gap: 0.6rem;
  background: var(--card);
  padding: 1rem 1.2rem;
  border-radius: 999px;
  box-shadow: 0 12px 30px var(--shadow);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 999px;
  display: inline-block;
}

.dot-leaf {
  background: var(--accent);
}

.dot-tax {
  background: var(--accent-2);
}

.app {
  display: grid;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  gap: 2rem;
  padding: 0 6vw 4rem;
}

.panel {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: 0 12px 40px var(--shadow);
}

.card.meta {
  font-size: 0.9rem;
}

.muted {
  color: var(--muted);
  font-size: 0.95rem;
}

input[type="search"] {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-size: 1rem;
  margin-top: 0.5rem;
  outline: none;
}

input[type="search"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(208, 111, 63, 0.2);
}

.selected, .results {
  display: grid;
  gap: 0.75rem;
  margin-top: 1rem;
}

.selected button, .results button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.6rem 0.8rem;
  background: #fff;
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 120ms ease, border-color 120ms ease;
}

.selected button:hover, .results button:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.tree-card {
  min-height: 520px;
  padding: 0;
  overflow: auto;
}

.tree {
  position: relative;
  min-height: 520px;
  padding: 2rem;
}

.tree svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.node {
  position: absolute;
  width: 140px;
  text-align: center;
  transform: translate(-50%, -50%);
}

.node .thumb {
  width: 88px;
  height: 88px;
  margin: 0 auto 0.4rem;
  border-radius: 20px;
  overflow: hidden;
  border: 2px solid #fff;
  box-shadow: 0 10px 20px var(--shadow);
  background: #f0efe9;
}

.node img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.node .label {
  font-size: 0.9rem;
  font-weight: 500;
}

.node.leaf .label {
  color: var(--accent);
}

.node.tax .label {
  color: var(--accent-2);
}

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

.link {
  stroke: var(--line);
  stroke-width: 1.5px;
}

@media (max-width: 980px) {
  .app {
    grid-template-columns: 1fr;
  }

  .legend {
    border-radius: var(--radius);
  }
}