:root {
  --bg: #07110d;
  --bg-soft: #0d1f18;
  --text: #edf5ef;
  --muted: rgba(237, 245, 239, 0.74);
  --line: rgba(236, 247, 240, 0.12);
  --accent: #bdd9aa;
  --accent-strong: #f3f6c4;
  --panel-shadow: rgba(0, 0, 0, 0.24);
  --header-bg: rgba(5, 11, 9, 0.34);
  --header-bg-strong: rgba(5, 11, 9, 0.68);
  --intro-progress: 0;
  --canopy-progress: 0;
  --mist-progress: 0;
  --life-progress: 0;
  --nightfall-progress: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

html,
body {
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  background: radial-gradient(circle at top, #102018 0%, var(--bg) 48%, #040705 100%);
  color: var(--text);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(247, 248, 236, 0.06), transparent 18%),
    linear-gradient(0deg, rgba(2, 4, 3, 0.52), transparent 30%);
  z-index: 2;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

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

main {
  position: relative;
  z-index: 3;
}

.skip-link,
.noscript-banner {
  position: fixed;
  left: 1rem;
  z-index: 10;
  padding: 0.75rem 1rem;
  border-radius: 0.8rem;
  border: 1px solid rgba(243, 246, 196, 0.35);
  background: rgba(5, 11, 9, 0.92);
  color: var(--text);
  text-decoration: none;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.skip-link {
  top: 1rem;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus,
.skip-link:focus-visible {
  transform: translateY(0);
}

.noscript-banner {
  right: 1rem;
  bottom: 1rem;
  left: auto;
  max-width: min(24rem, calc(100vw - 2rem));
}

.ambient-shell {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.ambient-gradient,
.ambient-vignette,
.ambient-haze {
  position: absolute;
  inset: -10%;
}

.ambient-gradient {
  background:
    radial-gradient(circle at 20% 20%, rgba(175, 190, 132, 0.22), transparent 28%),
    radial-gradient(circle at 78% 24%, rgba(90, 127, 96, 0.2), transparent 28%),
    linear-gradient(180deg, rgba(13, 29, 22, 0.94), rgba(6, 12, 10, 0.98));
}

.ambient-vignette {
  inset: 0;
  background: radial-gradient(circle, transparent 36%, rgba(0, 0, 0, 0.54) 100%);
}

.ambient-haze {
  filter: blur(70px);
  opacity: 0.4;
}

.ambient-haze-a {
  background: radial-gradient(circle at 30% 30%, rgba(134, 173, 116, 0.18), transparent 42%);
  animation: driftSlow 20s ease-in-out infinite alternate;
}

.ambient-haze-b {
  background: radial-gradient(circle at 70% 60%, rgba(112, 149, 186, 0.12), transparent 42%);
  animation: driftSlow 26s ease-in-out infinite alternate-reverse;
}

#particle-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.78;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem 1.35rem;
  background: var(--header-bg);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  transition: background 200ms ease, border-color 200ms ease, transform 200ms ease;
}

.site-header.is-scrolled {
  background: var(--header-bg-strong);
  border-color: rgba(236, 247, 240, 0.18);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 999px 999px 999px 0;
  background: linear-gradient(135deg, #f3f6c4, #87a86d 70%);
  transform: rotate(-25deg);
  box-shadow: 0 0 24px rgba(243, 246, 196, 0.35);
}

.brand-text {
  font-size: 1rem;
  letter-spacing: 0.22rem;
  text-transform: uppercase;
}

.section-nav {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.section-nav a,
.header-cta,
.button {
  text-decoration: none;
  color: var(--text);
}

.section-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.35rem;
  padding: 0.45rem 0.8rem;
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.12rem;
  text-transform: uppercase;
  opacity: 0.7;
  transition: opacity 180ms ease, background 180ms ease, transform 180ms ease;
}

.section-nav a:hover,
.section-nav a.is-active {
  opacity: 1;
  background: rgba(241, 245, 214, 0.12);
  transform: translateY(-1px);
}

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(243, 246, 196, 0.92);
  outline-offset: 4px;
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.9rem;
  padding: 0.85rem 1.25rem;
  border-radius: 999px;
  border: 1px solid rgba(236, 247, 240, 0.18);
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.8rem;
  letter-spacing: 0.14rem;
  text-transform: uppercase;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.header-cta:hover,
.button:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(243, 246, 196, 0.4);
  box-shadow: 0 14px 24px rgba(0, 0, 0, 0.16);
}

.button-primary {
  background: linear-gradient(135deg, rgba(243, 246, 196, 0.18), rgba(140, 180, 116, 0.2));
}

.button-secondary {
  border: 1px solid rgba(236, 247, 240, 0.14);
  background: rgba(7, 17, 13, 0.34);
  cursor: pointer;
}

.intro-wrap {
  height: 240vh;
  position: relative;
  scroll-margin-top: 6rem;
}

.intro-sticky {
  position: sticky;
  top: 0;
  min-height: 100vh;
  overflow: clip;
  display: grid;
  place-items: center;
}

.scene,
.panel-visual,
.panel-backdrop,
.panel-overlay,
.scene-backdrop,
.scene-layer,
.scene-light,
.scene-fog {
  position: absolute;
  inset: 0;
}

.intro-scene {
  overflow: hidden;
}

.scene-backdrop,
.panel-backdrop {
  background-size: cover;
  background-position: center;
}

.backdrop-dawn {
  background:
    radial-gradient(circle at 52% 34%, rgba(255, 235, 185, calc(0.08 + var(--intro-progress) * 0.18)), transparent 18%),
    linear-gradient(180deg, #11221c 0%, #173327 36%, #0d1a14 70%, #07100c 100%);
  transform: scale(calc(1.06 - var(--intro-progress) * 0.06));
}

.layer-stars {
  background:
    radial-gradient(circle at 10% 18%, rgba(255, 255, 255, 0.35) 0 1px, transparent 1.2px),
    radial-gradient(circle at 32% 22%, rgba(255, 255, 255, 0.3) 0 1px, transparent 1.2px),
    radial-gradient(circle at 64% 15%, rgba(255, 255, 255, 0.3) 0 1.2px, transparent 1.4px),
    radial-gradient(circle at 86% 24%, rgba(255, 255, 255, 0.25) 0 1px, transparent 1.2px);
  opacity: calc(0.35 - var(--intro-progress) * 0.26);
}

.layer-ridge {
  background:
    radial-gradient(circle at 50% 130%, rgba(8, 20, 15, 0.92) 0 34%, transparent 35%),
    linear-gradient(180deg, transparent 28%, rgba(5, 10, 7, 0.34) 64%, rgba(4, 8, 6, 0.9) 100%);
  transform: translateY(calc(var(--intro-progress) * 3rem));
}

.layer-trees-mid {
  inset: 18% -5% 0;
  background:
    linear-gradient(90deg, transparent 0 4%, rgba(5, 12, 9, 0.82) 4% 5.2%, transparent 5.2% 15%, rgba(7, 16, 12, 0.82) 15% 16%, transparent 16% 30%, rgba(6, 15, 11, 0.84) 30% 31.2%, transparent 31.2% 48%, rgba(7, 16, 12, 0.8) 48% 49%, transparent 49% 64%, rgba(5, 13, 10, 0.84) 64% 65.5%, transparent 65.5% 82%, rgba(5, 12, 9, 0.82) 82% 83%, transparent 83%),
    radial-gradient(circle at 10% 16%, rgba(16, 43, 30, 0.78), transparent 18%),
    radial-gradient(circle at 28% 12%, rgba(16, 43, 30, 0.8), transparent 15%),
    radial-gradient(circle at 52% 10%, rgba(12, 35, 24, 0.82), transparent 18%),
    radial-gradient(circle at 74% 18%, rgba(14, 39, 28, 0.78), transparent 17%),
    radial-gradient(circle at 92% 14%, rgba(12, 35, 24, 0.8), transparent 18%);
  filter: blur(2px);
  transform: translateY(calc(var(--intro-progress) * 2rem)) scale(calc(1 + var(--intro-progress) * 0.03));
  opacity: 0.88;
}

.layer-trees-front {
  inset: 34% -8% -8%;
  background:
    linear-gradient(90deg, rgba(3, 7, 5, 0.94) 0 2.4%, transparent 2.4% 16%, rgba(3, 7, 5, 0.94) 16% 18.4%, transparent 18.4% 37%, rgba(4, 8, 6, 0.96) 37% 39.2%, transparent 39.2% 56%, rgba(3, 7, 5, 0.96) 56% 58%, transparent 58% 71%, rgba(3, 7, 5, 0.94) 71% 73.2%, transparent 73.2% 86%, rgba(3, 7, 5, 0.96) 86% 88.3%, transparent 88.3%),
    radial-gradient(circle at 10% 18%, rgba(11, 30, 22, 0.94), transparent 22%),
    radial-gradient(circle at 25% 12%, rgba(13, 32, 23, 0.94), transparent 18%),
    radial-gradient(circle at 48% 12%, rgba(11, 28, 20, 0.94), transparent 20%),
    radial-gradient(circle at 73% 16%, rgba(11, 29, 21, 0.94), transparent 20%),
    radial-gradient(circle at 92% 10%, rgba(10, 27, 19, 0.94), transparent 18%);
  transform: translateY(calc(var(--intro-progress) * 4.2rem)) scale(calc(1 + var(--intro-progress) * 0.04));
}

.layer-branches {
  inset: -10% -4% auto;
  height: 40vh;
  background:
    radial-gradient(circle at 16% 10%, rgba(14, 29, 20, 0.86), transparent 18%),
    radial-gradient(circle at 38% 8%, rgba(15, 30, 21, 0.9), transparent 17%),
    radial-gradient(circle at 58% 10%, rgba(15, 30, 21, 0.86), transparent 18%),
    radial-gradient(circle at 86% 14%, rgba(15, 30, 21, 0.88), transparent 19%);
  filter: blur(1px);
  opacity: calc(0.72 + var(--intro-progress) * 0.12);
  transform: translateY(calc(var(--intro-progress) * -1.2rem));
}

.scene-light {
  background:
    radial-gradient(circle at 50% 34%, rgba(248, 229, 177, calc(0.08 + var(--intro-progress) * 0.22)), transparent 15%),
    conic-gradient(from 180deg at 50% 0%, rgba(255, 244, 208, calc(var(--intro-progress) * 0.1)), transparent 20%, transparent 80%, rgba(255, 244, 208, calc(var(--intro-progress) * 0.08)) 100%);
  mix-blend-mode: screen;
}

.scene-fog,
.panel-overlay {
  mix-blend-mode: screen;
}

.fog-a,
.fog-b,
.low-fog,
.mist-sheets,
.canopy-drift,
.firefly-field,
.pollen-field,
.sunbeams,
.moon-glow {
  opacity: 0.55;
}

.fog-a {
  background: radial-gradient(circle at 32% 54%, rgba(180, 196, 178, 0.14), transparent 24%);
  filter: blur(44px);
  transform: translate3d(calc(var(--intro-progress) * -3vw), calc(var(--intro-progress) * 2vh), 0);
}

.fog-b {
  background: radial-gradient(circle at 72% 62%, rgba(187, 212, 196, 0.14), transparent 26%);
  filter: blur(64px);
  transform: translate3d(calc(var(--intro-progress) * 4vw), calc(var(--intro-progress) * 1vh), 0);
}

.intro-copy,
.panel-copy {
  position: relative;
  z-index: 2;
  width: min(42rem, calc(100% - 2.5rem));
  padding: clamp(5.5rem, 14vh, 10rem) 0 4rem;
}

.intro-copy {
  text-align: center;
  max-width: 53rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--accent);
  font-size: 0.78rem;
  letter-spacing: 0.28rem;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.04em;
}

h1 {
  font-size: clamp(3rem, 7vw, 6.7rem);
}

h2 {
  font-size: clamp(2.3rem, 5vw, 4.5rem);
}

.lede,
.panel-copy p:last-of-type {
  margin: 1.4rem 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.2vw, 1.18rem);
  line-height: 1.7;
  max-width: 42rem;
}

.hero-actions,
.panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2rem;
}

.hero-actions {
  justify-content: center;
}

.scroll-prompt {
  position: absolute;
  bottom: 2.4rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: grid;
  justify-items: center;
  gap: 0.75rem;
  color: rgba(237, 245, 239, 0.74);
  font-size: 0.78rem;
  letter-spacing: 0.15rem;
  text-transform: uppercase;
}

.scroll-prompt span {
  width: 1px;
  height: 4rem;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.7));
  animation: pulseLine 1.8s ease-in-out infinite;
}

.story-panel {
  position: relative;
  min-height: 100vh;
  display: grid;
  align-items: end;
  padding: 6rem 1.25rem 3.5rem;
  overflow: clip;
  scroll-margin-top: 6rem;
}

.story-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.48));
  z-index: 1;
}

.panel-copy {
  margin-left: auto;
  margin-right: auto;
  padding-bottom: 1.5rem;
}

.panel-canopy .panel-copy,
.panel-life .panel-copy {
  text-align: left;
}

.panel-mist .panel-copy,
.panel-nightfall .panel-copy {
  text-align: right;
}

.canopy-backdrop {
  background:
    radial-gradient(circle at 50% 18%, rgba(255, 240, 194, calc(0.1 + var(--canopy-progress) * 0.12)), transparent 18%),
    linear-gradient(180deg, #213626 0%, #183225 34%, #0b1711 100%);
  transform: scale(calc(1.08 - var(--canopy-progress) * 0.04)) translateY(calc(var(--canopy-progress) * -2.2rem));
}

.sunbeams {
  background:
    linear-gradient(110deg, transparent 30%, rgba(255, 250, 218, 0.14) 40%, transparent 54%),
    linear-gradient(70deg, transparent 38%, rgba(255, 250, 218, 0.08) 50%, transparent 62%);
  opacity: calc(0.18 + var(--canopy-progress) * 0.34);
  transform: translateY(calc(var(--canopy-progress) * 1rem));
}

.canopy-drift {
  background:
    radial-gradient(circle at 18% 30%, rgba(28, 64, 44, 0.58), transparent 18%),
    radial-gradient(circle at 78% 22%, rgba(20, 55, 38, 0.54), transparent 18%),
    radial-gradient(circle at 54% 78%, rgba(18, 48, 32, 0.32), transparent 24%);
  filter: blur(20px);
  transform: translate3d(calc(var(--canopy-progress) * -1vw), calc(var(--canopy-progress) * -2vh), 0);
}

.mist-backdrop {
  background:
    radial-gradient(circle at 50% 26%, rgba(213, 229, 221, 0.18), transparent 20%),
    linear-gradient(180deg, #30433c 0%, #16251f 44%, #0b1210 100%);
  transform: scale(calc(1.08 - var(--mist-progress) * 0.03));
}

.mist-sheets {
  background:
    radial-gradient(circle at 35% 48%, rgba(222, 231, 225, 0.18), transparent 18%),
    radial-gradient(circle at 68% 38%, rgba(216, 228, 223, 0.14), transparent 16%),
    radial-gradient(circle at 58% 72%, rgba(189, 204, 198, 0.12), transparent 18%);
  filter: blur(42px);
  transform: translate3d(calc(var(--mist-progress) * 1.2vw), calc(var(--mist-progress) * 1.5vh), 0);
}

.low-fog {
  inset: auto -10% -8%;
  height: 42vh;
  background: radial-gradient(circle at 50% 70%, rgba(236, 242, 239, 0.18), transparent 36%);
  filter: blur(42px);
  opacity: 0.5;
}

.life-backdrop {
  background:
    radial-gradient(circle at 48% 18%, rgba(243, 236, 189, calc(0.05 + var(--life-progress) * 0.08)), transparent 18%),
    linear-gradient(180deg, #213b2a 0%, #132319 42%, #07100c 100%);
  transform: scale(calc(1.07 - var(--life-progress) * 0.03));
}

.pollen-field {
  background:
    radial-gradient(circle at 20% 26%, rgba(255, 244, 196, 0.22) 0 1px, transparent 1.8px),
    radial-gradient(circle at 38% 58%, rgba(255, 244, 196, 0.16) 0 1px, transparent 1.8px),
    radial-gradient(circle at 66% 34%, rgba(255, 244, 196, 0.16) 0 1.2px, transparent 1.8px),
    radial-gradient(circle at 84% 54%, rgba(255, 244, 196, 0.2) 0 1px, transparent 1.8px);
  filter: blur(0.4px);
  transform: translateY(calc(var(--life-progress) * -1.5rem));
}

.wildlife-shadow {
  background:
    radial-gradient(circle at 70% 26%, rgba(7, 11, 9, 0.44), transparent 7%),
    radial-gradient(circle at 26% 36%, rgba(7, 11, 9, 0.34), transparent 6%),
    radial-gradient(circle at 52% 22%, rgba(7, 11, 9, 0.24), transparent 5%);
  filter: blur(10px);
  opacity: calc(0.1 + var(--life-progress) * 0.16);
}

.night-backdrop {
  background:
    radial-gradient(circle at 50% 22%, rgba(203, 224, 255, calc(0.08 + var(--nightfall-progress) * 0.12)), transparent 18%),
    linear-gradient(180deg, #132136 0%, #0a1424 38%, #03070d 100%);
  transform: scale(calc(1.06 - var(--nightfall-progress) * 0.03));
}

.moon-glow {
  background:
    radial-gradient(circle at 50% 24%, rgba(209, 226, 255, 0.18), transparent 12%),
    radial-gradient(circle at 50% 24%, rgba(209, 226, 255, 0.08), transparent 24%);
  opacity: calc(0.28 + var(--nightfall-progress) * 0.18);
}

.firefly-field {
  background:
    radial-gradient(circle at 16% 62%, rgba(244, 236, 140, 0.5) 0 1.2px, transparent 2px),
    radial-gradient(circle at 26% 44%, rgba(244, 236, 140, 0.32) 0 1px, transparent 1.8px),
    radial-gradient(circle at 48% 68%, rgba(244, 236, 140, 0.48) 0 1.2px, transparent 2px),
    radial-gradient(circle at 62% 36%, rgba(244, 236, 140, 0.28) 0 1px, transparent 1.8px),
    radial-gradient(circle at 76% 56%, rgba(244, 236, 140, 0.44) 0 1.2px, transparent 2px),
    radial-gradient(circle at 90% 40%, rgba(244, 236, 140, 0.3) 0 1px, transparent 1.8px);
  filter: blur(0.2px);
  opacity: calc(0.18 + var(--nightfall-progress) * 0.34);
}

html.js .reveal {
  opacity: 0;
  transform: translateY(2rem);
  transition: opacity 700ms ease, transform 700ms ease;
}

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

@keyframes pulseLine {
  0%,
  100% {
    transform: scaleY(0.65);
    opacity: 0.55;
  }
  50% {
    transform: scaleY(1);
    opacity: 1;
  }
}

@keyframes driftSlow {
  from {
    transform: translate3d(-2vw, -1vh, 0);
  }
  to {
    transform: translate3d(2vw, 1vh, 0);
  }
}

@media (max-width: 960px) {
  .site-header {
    padding: 0.9rem 1rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .section-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .section-nav::-webkit-scrollbar {
    display: none;
  }

  .header-cta {
    display: none;
  }

  .intro-wrap {
    height: 180vh;
  }

  .scroll-prompt {
    bottom: 1.5rem;
  }
}

@media (max-width: 720px) {
  .site-header {
    gap: 0.8rem;
  }

  .brand {
    width: 100%;
    justify-content: center;
  }

  .brand-text {
    letter-spacing: 0.18rem;
    font-size: 0.88rem;
  }

  .section-nav a,
  .header-cta,
  .button {
    font-size: 0.72rem;
    letter-spacing: 0.1rem;
  }

  .story-panel {
    padding-top: 7rem;
    padding-bottom: 2.5rem;
    align-items: center;
  }

  .intro-copy,
  .panel-copy {
    width: min(100% - 1.5rem, 38rem);
    padding-top: 5.8rem;
  }

  .panel-mist .panel-copy,
  .panel-nightfall .panel-copy,
  .panel-canopy .panel-copy,
  .panel-life .panel-copy,
  .intro-copy {
    text-align: left;
  }

  .hero-actions,
  .panel-actions {
    justify-content: flex-start;
  }

  .scroll-prompt p {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .ambient-haze,
  #particle-canvas,
  .scroll-prompt {
    display: none;
  }

  html.js .reveal {
    opacity: 1;
    transform: none;
  }
}