@import url(fontawesome-all.min.css);

:root {
  --bg: #f3f7f0;
  --bg-alt: #eef4ea;
  --ink: #112016;
  --ink-soft: #3f5445;
  --line: rgba(24, 45, 30, 0.16);
  --glass: rgba(246, 251, 245, 0.8);
  --card: #f8fcf7;
  --accent: #1d6b42;
  --accent-2: #12442a;
  --chip: #dbead6;
  --shadow: 0 30px 60px rgba(19, 41, 27, 0.14);
}

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  color: var(--ink);
  font-family: "Manrope", "Open Sans", sans-serif;
  background:
    radial-gradient(70rem 40rem at -10% -10%, #cedfc5 0%, transparent 60%),
    radial-gradient(60rem 35rem at 105% 15%, #d5e8cd 0%, transparent 58%),
    linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 30%, #ecf2e7 100%);
  min-height: 100vh;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.17;
  background-image: radial-gradient(circle at 1px 1px, #264531 1px, transparent 0);
  background-size: 16px 16px;
  z-index: -1;
}

.title,
.section-title,
.publication-title {
  font-family: "Space Grotesk", "Manrope", sans-serif;
  letter-spacing: -0.02em;
  color: #0d1b12;
}

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

a:hover {
  color: #0f5130;
}

.forest-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0.9rem 1rem;
  backdrop-filter: blur(8px);
  background: rgba(243, 247, 240, 0.66);
  border-bottom: 1px solid rgba(20, 45, 29, 0.08);
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(240, 248, 236, 0.96);
  color: #0d1f14;
  font-family: "Space Grotesk", sans-serif;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.nav-links a {
  padding: 0.45rem 0.72rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  color: #284534;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.nav-links a:hover {
  background: var(--chip);
  color: #0f2f1d;
}

.forest-hero {
  padding-top: 1rem;
}

.hero-shell {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: var(--shadow);
  background:
    linear-gradient(135deg, rgba(235, 246, 231, 0.96), rgba(244, 251, 241, 0.86)),
    radial-gradient(circle at 25% 0%, rgba(102, 154, 97, 0.2), transparent 45%);
  padding: 2.3rem;
  overflow: hidden;
}

.hero-shell::before,
.hero-shell::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.hero-shell::before {
  width: 360px;
  height: 360px;
  right: -120px;
  top: -140px;
  background: radial-gradient(circle, rgba(35, 123, 74, 0.24), transparent 70%);
}

.hero-shell::after {
  width: 260px;
  height: 260px;
  left: -120px;
  bottom: -120px;
  background: radial-gradient(circle, rgba(54, 108, 57, 0.18), transparent 68%);
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #19472d;
  background: rgba(191, 225, 184, 0.53);
  margin-bottom: 1rem;
}

.publication-title {
  margin-bottom: 0.85rem;
}

.hero-subtitle {
  max-width: 740px;
  margin: 0 auto 1.2rem;
  font-size: 1.25rem;
  color: #1f3f2a;
}

.hero-chips {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 0.36rem 0.82rem;
  border-radius: 999px;
  background: var(--chip);
  color: #173928;
  border: 1px solid rgba(21, 56, 35, 0.12);
  font-size: 0.88rem;
  font-weight: 600;
}

.publication-authors {
  font-size: 1.05rem;
  color: #223f2f;
}

.publication-links {
  margin-top: 1.25rem;
}

.cta-group {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
}

.link-block a {
  margin-top: 6px;
  margin-bottom: 6px;
}

.button.cta-primary,
.button.cta-secondary {
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0.64rem 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  height: auto;
}

.button.cta-primary {
  background: linear-gradient(120deg, #195d3a, #2c8554);
  color: #f5fff7;
  border-color: rgba(9, 33, 20, 0.2);
}

.button.cta-primary:hover {
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(24, 89, 55, 0.26);
}

.button.cta-secondary {
  background: rgba(247, 252, 245, 0.93);
  color: #193424;
  border-color: var(--line);
}

.button.cta-secondary:hover {
  background: #fff;
  color: #14311f;
}

.hero-media-wrap {
  margin-top: 1.5rem;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(12, 30, 19, 0.2);
  box-shadow: 0 20px 40px rgba(17, 35, 24, 0.2);
}

.hero-media-wrap video {
  width: 100%;
  display: block;
}

.forest-funding {
  padding-top: 0;
}

.funding-shell {
  background: linear-gradient(135deg, rgba(240, 247, 235, 0.96), rgba(249, 252, 247, 0.92));
}

.funding-copy {
  font-size: 1.08rem;
  color: var(--ink-soft);
  margin-bottom: 0;
}

.funding-logo {
  max-width: none;
  width: 300px;
  height: auto;
  object-fit: contain;
}

.zoom-on-scroll {
  --zoom: 1;
  transform: scale(var(--zoom));
  transform-origin: center center;
  will-change: transform;
}

.forest-section {
  padding-top: 1.5rem;
  padding-bottom: 1.5rem;
}

.section-shell {
  background: linear-gradient(180deg, rgba(248, 252, 247, 0.9), rgba(241, 248, 239, 0.82));
  border: 1px solid rgba(23, 52, 34, 0.14);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 20px 40px rgba(24, 43, 29, 0.09);
}

.section-title {
  margin-bottom: 0.65rem;
}

.muted {
  color: var(--ink-soft);
}

.feature-card {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(18, 39, 25, 0.1);
  border-radius: 16px;
  padding: 1.15rem;
  height: 100%;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover,
.result-card:hover,
.dataset-tile:hover {
  transform: translateY(-4px) scale(calc(var(--zoom, 1) * 1.015));
  box-shadow: 0 15px 30px rgba(19, 35, 24, 0.14);
}

.visual-grid {
  margin-top: 1.25rem;
}

.method-pairs {
  margin-top: 1rem;
}

.method-row {
  margin-bottom: 1rem;
}

.method-row:last-child {
  margin-bottom: 0;
}

.method-image-wrap {
  border-radius: 14px;
  overflow: hidden;
}

.method-copy {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(18, 39, 25, 0.1);
  border-radius: 14px;
  padding: 1rem 1.1rem;
}

.visual-grid img,
.content img,
iframe {
  border: 1px solid rgba(20, 39, 27, 0.16);
  box-shadow: 0 12px 24px rgba(18, 34, 24, 0.11);
}

.result-card {
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(18, 39, 25, 0.1);
  border-radius: 16px;
  padding: 1.1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.dataset-tile {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(15, 37, 24, 0.09);
  border-radius: 16px;
  padding: 0.6rem;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}

.content ul {
  margin-left: 1.2rem;
}

.content ul li {
  margin-bottom: 0.35rem;
}

.footer.forest-footer {
  background: transparent;
  padding-top: 1rem;
  padding-bottom: 2rem;
}

.footer.forest-footer .content {
  color: #3d5747;
}

.footer .icon-link {
  font-size: 25px;
  color: var(--ink);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.62s ease, transform 0.62s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-shell.reveal.is-visible {
  animation: gentle-rise 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}

@keyframes gentle-rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .hero-shell {
    padding: 1.6rem;
  }

  .hero-subtitle {
    font-size: 1.08rem;
  }

  .section-shell {
    padding: 1.35rem;
  }

  .nav-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .forest-nav {
    padding: 0.8rem 0.7rem;
  }

  .brand-mark {
    font-size: 0.95rem;
  }

  .nav-links {
    gap: 0.2rem;
  }

  .nav-links a {
    font-size: 0.82rem;
    padding: 0.4rem 0.6rem;
  }

  .publication-title {
    font-size: 2rem !important;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .content {
    font-size: 0.97rem;
  }

  .columns.is-mobile {
    flex-direction: column;
    display: flex;
  }

  .columns.is-mobile > .column {
    width: 100%;
    padding-bottom: 0.5rem;
  }

  .visual-grid .column + .column {
    margin-top: 0.75rem;
  }

  .method-copy {
    margin-top: 0.4rem;
  }
}