:root {
  color-scheme: light;
  font-family: "Space Grotesk", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  --bg: #f4f4f1;
  --text: #1f2421;
  --muted: #6b6e69;
  --accent: #1f9b7a;
  --accent-soft: #c7f7e3;
  --card: #ffffff;
  --shadow: 0 20px 40px rgba(14, 38, 27, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

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

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
}

.hero {
  background: radial-gradient(circle at top right, #0b5d4c, #061d18 60%);
  color: #fefdf7;
  padding: 2rem clamp(1.25rem, 5vw, 4rem) 2.5rem;
  min-height: auto;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

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

.brand {
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1rem;
  padding: 0;
  margin: 0;
}

.nav-links a {
  color: #fefdf7;
  opacity: 0.82;
  font-size: 0.95rem;
}

.nav-cta {
  background: rgba(255, 255, 255, 0.15);
  color: #fefdf7;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  transition: background 0.2s;
}

.nav-cta:hover {
  background: rgba(255, 255, 255, 0.3);
}

.hero-content {
  max-width: 720px;
  margin-top: 1.5rem;
}

.hero-visual-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.hero-visual-grid img,
.section-photo-strip img,
.visual-card img,
.feature-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1rem;
}

.hero-visual-grid figure,
.section-photo-strip figure,
.visual-card figure,
.feature-photo {
  margin: 0;
}

.hero-visual-grid figure {
  min-height: 180px;
  overflow: hidden;
}

.hero-visual-grid figcaption,
.section-photo-strip figcaption {
  font-size: 0.85rem;
  opacity: 0.85;
  margin-top: 0.45rem;
}

.section-photo-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.section-photo-strip figure {
  background: #fff;
  padding: 0.8rem;
  border-radius: 1.1rem;
  border: 1px solid #dfe6dd;
  box-shadow: var(--shadow);
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.visual-card {
  background: #fff;
  border: 1px solid #dfe6dd;
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.visual-card .visual-copy {
  padding: 1.2rem 1.3rem 1.4rem;
}

.visual-card figure {
  height: 220px;
  overflow: hidden;
}

.feature-photo {
  min-height: 280px;
  overflow: hidden;
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
}

.image-credit {
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.6rem;
}

@media (max-width: 720px) {
  .hero-visual-grid {
    grid-template-columns: 1fr;
  }
}

.hero h1 {
  font-size: clamp(2rem, 4.8vw, 3.2rem);
  line-height: 1.08;
  margin: 0.35rem 0 0.8rem;
}

.hero-text {
  opacity: 0.8;
  font-size: 1rem;
  max-width: 62ch;
}

.hero-tag {
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.85rem;
  opacity: 0.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.9rem 1.8rem;
  font-weight: 600;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.pill:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
}

.pill.primary {
  background: #f6ecc4;
  color: #0c3023;
}

.pill.ghost {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #fefdf7;
  background: transparent;
}

.pill.link {
  background: #fff;
  color: var(--text);
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.85rem;
  margin-top: 2rem;
}

.stat-number {
  font-size: 1.8rem;
  margin: 0;
}

.stat-label {
  margin: 0;
  opacity: 0.7;
}

main {
  padding: 4rem clamp(1.5rem, 6vw, 5rem);
}

.section {
  margin-bottom: 4rem;
}

.section-header {
  max-width: 760px;
}

.section-header.white {
  color: #fefdf7;
}

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

.intro p {
  max-width: 720px;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.filter-button {
  border-radius: 999px;
  border: 1px solid #d8ddd5;
  padding: 0.6rem 1.2rem;
  background: transparent;
  color: var(--text);
  transition: background 0.2s, color 0.2s;
}

.filter-button.active {
  background: var(--accent);
  color: #fff;
}

.card-grid {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--card);
  border-radius: 1.2rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
  border: 1px solid #e9efe6;
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-4px);
}

.card h3 {
  margin-top: 0;
}

.card span {
  font-size: 0.85rem;
  color: var(--muted);
}

.badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: var(--accent-soft);
  color: #114938;
}

.habitats {
  background: linear-gradient(120deg, #133f34, #1f1d16);
  border-radius: 2rem;
  padding: 4rem clamp(1.5rem, 6vw, 4rem);
  color: #fefdf7;
}

.habitat-grid {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.habitat-card {
  background: rgba(255, 255, 255, 0.08);
  padding: 1.5rem;
  border-radius: 1.2rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.habitat-card ul {
  padding-left: 1.2rem;
}

.care-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.care-card {
  background: #ffffff;
  border-radius: 1.2rem;
  padding: 1.5rem;
  border: 1px solid #dfe6dd;
}

.interactive {
  background: #0f2634;
  border-radius: 2rem;
  padding: 3rem;
  color: #fefdf7;
}

.interactive-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 2rem;
  align-items: center;
}

.selector {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.selector select {
  padding: 0.8rem 1rem;
  border-radius: 0.8rem;
  border: none;
  font-size: 1rem;
}

.readout {
  background: rgba(0, 0, 0, 0.35);
  border-radius: 1.2rem;
  padding: 1.5rem;
  min-height: 220px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.conservation {
  background: #fefff8;
  border-radius: 2rem;
  padding: 3rem;
  border: 1px solid #e4eadf;
}

.timeline {
  margin-top: 2rem;
  display: grid;
  gap: 1.5rem;
}

.timeline-item {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 1rem;
  align-items: start;
  border-left: 2px solid var(--accent);
  padding-left: 1rem;
}

.resources .resource-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.resource-grid article {
  background: #fff;
  padding: 1.5rem;
  border-radius: 1.2rem;
  border: 1px solid #e1e5dd;
  min-height: 210px;
}

.faq {
  background: #161d1b;
  border-radius: 2rem;
  padding: 3rem;
  color: #fefdf7;
}

.faq-list {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 1rem;
  padding: 1rem 1.5rem;
  cursor: pointer;
}

.faq-item.open {
  background: rgba(255, 255, 255, 0.08);
}

.faq-item h3 {
  margin: 0;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.faq-item p {
  margin-bottom: 0;
}

.subpage {
  background: var(--bg);
  min-height: 100vh;
}

.subpage-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem clamp(1.5rem, 6vw, 5rem);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid #e5e8e0;
}

.subpage-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.subpage-header a {
  color: var(--text);
  font-weight: 600;
}

.subpage-header a[aria-current="page"] {
  color: var(--accent);
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 3rem clamp(1.5rem, 6vw, 4rem) 5rem;
}

.page-hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
}

.callout {
  background: #fff;
  padding: 1.5rem;
  border-radius: 1.2rem;
  border: 1px solid #dfe6dd;
  box-shadow: var(--shadow);
}

.page-section {
  margin-bottom: 3rem;
}

.page-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.page-card {
  background: #fff;
  border: 1px solid #dfe6dd;
  border-radius: 1.2rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.feature-split {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.feature-panel,
.feature-sidebar,
.highlight-band,
.link-cluster,
.depth-card,
.depth-panel {
  background: #fff;
  border: 1px solid #dfe6dd;
  border-radius: 1.2rem;
  box-shadow: var(--shadow);
}

.feature-panel,
.feature-sidebar,
.depth-panel {
  padding: 1.6rem;
}

.highlight-band {
  margin: 2rem 0 0;
  padding: 1.5rem;
}

.link-cluster {
  margin-top: 1.5rem;
  padding: 1.5rem;
}

.link-cluster ul,
.feature-sidebar ul,
.depth-panel ul {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.depth-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.depth-card {
  padding: 1.5rem;
}

.editorial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.editorial-card {
  background: linear-gradient(180deg, #ffffff, #f7fbf8);
  border: 1px solid #dfe6dd;
  border-radius: 1.2rem;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.quick-points {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.quick-points div {
  background: #f8fbf9;
  border: 1px solid #dfe6dd;
  border-radius: 1rem;
  padding: 1rem;
}

.note-strip {
  margin-top: 1rem;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--accent);
  background: #f7fffb;
  border-radius: 0.9rem;
}

.section-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.section-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: #edf8f3;
  border: 1px solid #cfe9dc;
  color: var(--text);
}

@media (max-width: 820px) {
  .feature-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .quick-points {
    grid-template-columns: 1fr;
  }
}

.fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.2rem;
  margin: 2rem 0;
}

.topic-list,
.topic-mini-list {
  list-style: none;
  padding: 0;
  margin: 1.5rem 0 0;
  display: grid;
  gap: 0.75rem;
}

.topic-list li a,
.topic-mini-list li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1.2rem;
  border-radius: 0.8rem;
  border: 1px solid #dfe6dd;
  background: #fff;
  color: var(--text);
}

.topic-list li span {
  display: block;
  padding: 0.85rem 1.2rem;
  border-radius: 0.8rem;
  border: 1px solid #dfe6dd;
  background: #fff;
  color: var(--text);
}

.topic-mini-list {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.library-card {
  background: #fff;
  border-radius: 1.2rem;
  border: 1px solid #dfe6dd;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.library-card .scientific {
  color: var(--muted);
  margin: 0;
}

.focus-list {
  margin: 1.5rem 0 0;
  padding-left: 1.4rem;
}

.deliverable {
  margin-top: 1rem;
  background: #f9fff8;
  border: 1px dashed #9ac0a7;
  padding: 1rem;
  border-radius: 0.8rem;
}

.care-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.care-columns article {
  background: #fff;
  border-radius: 1rem;
  padding: 1.5rem;
  border: 1px solid #e4eadf;
}

.faq-list.static .faq-item {
  cursor: default;
  background: rgba(255, 255, 255, 0.05);
}

.footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.9rem;
  color: var(--muted);
}

@media (max-width: 720px) {
  .nav {
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
    justify-content: center;
  }

  .timeline-item {
    grid-template-columns: 1fr;
  }

  .subpage-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }

  .topic-mini-list {
    grid-template-columns: 1fr;
  }
}