:root {
  /* Typography compliance tokens from DESIGN.md: Space Grotesk in 500/700 weights */
  --deep-teal: #063F4A;
  --violet-dusk: #6D5DF6;
  --kelp-green: #2E7D52;
  --pearl-foam: #FFF3DC;
  --mango-gold: #FFC857;
  --lagoon-mint: #3FE0C5;
  --coral-sunset: #FF6B5E;
  --display: "Bowlby One SC", Impact, system-ui, sans-serif;
  --body: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "Space Grotesk", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--pearl-foam);
  font-family: var(--body);
  background:
    radial-gradient(circle at 82% 8%, rgba(255, 200, 87, 0.32), transparent 25rem),
    radial-gradient(circle at 20% 68%, rgba(109, 93, 246, 0.28), transparent 22rem),
    linear-gradient(180deg, #063F4A 0%, #075563 28%, #063F4A 62%, #031f26 100%);
}

.sea-gradient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    repeating-linear-gradient(90deg, rgba(63, 224, 197, 0.06) 0 1px, transparent 1px 84px),
    radial-gradient(ellipse at 50% -8%, rgba(255, 107, 94, 0.62), transparent 31rem),
    linear-gradient(130deg, rgba(63, 224, 197, 0.12), transparent 42%, rgba(255, 243, 220, 0.04));
  mix-blend-mode: screen;
}

.bubble-field {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.bubble {
  position: absolute;
  width: var(--size);
  height: var(--size);
  border: 1px solid rgba(255, 243, 220, 0.35);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 28%, rgba(255, 243, 220, 0.6), rgba(63, 224, 197, 0.08) 45%, transparent 72%);
  opacity: 0.65;
  transform: translate3d(0, 110vh, 0);
  animation: bubbleRise var(--duration) linear infinite;
  animation-delay: var(--delay);
}

@keyframes bubbleRise {
  0% { transform: translate3d(0, 110vh, 0) scale(0.75); }
  100% { transform: translate3d(var(--drift), -12vh, 0) scale(1.12); }
}

.sun-disc {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(1px);
}

.sun-disc-one {
  width: 32rem;
  height: 32rem;
  right: -9rem;
  top: 10vh;
  background: radial-gradient(circle, rgba(255, 200, 87, 0.34), rgba(255, 107, 94, 0.16) 40%, transparent 70%);
}

.sun-disc-two {
  width: 24rem;
  height: 24rem;
  left: 1rem;
  bottom: 5vh;
  background: radial-gradient(circle, rgba(109, 93, 246, 0.24), rgba(63, 224, 197, 0.10) 46%, transparent 72%);
}

.buoy-nav {
  position: fixed;
  top: 50%;
  left: 1.2rem;
  z-index: 20;
  transform: translateY(-50%);
  display: grid;
  gap: 0.8rem;
}

.buoy {
  width: 2.35rem;
  height: 2.35rem;
  display: grid;
  place-items: center;
  text-decoration: none;
  color: var(--deep-teal);
  font: 700 0.65rem/1 var(--mono);
  letter-spacing: 0.06em;
  border-radius: 48% 52% 55% 45%;
  background: linear-gradient(145deg, var(--pearl-foam), rgba(63, 224, 197, 0.75));
  box-shadow: 0 0 0 1px rgba(255, 243, 220, 0.26), 0 0 1.2rem rgba(63, 224, 197, 0.24);
  transition: transform 220ms ease, background 220ms ease, color 220ms ease;
}

.buoy.active {
  color: var(--pearl-foam);
  background: linear-gradient(145deg, var(--coral-sunset), var(--mango-gold));
  transform: translateX(0.35rem) rotate(-5deg);
}

.sticky-trunk {
  position: fixed;
  left: clamp(4rem, 18vw, 18rem);
  top: 0;
  width: 11rem;
  height: 100vh;
  z-index: 4;
  pointer-events: none;
  filter: drop-shadow(0 0 1.4rem rgba(63, 224, 197, 0.24));
}

.trunk-svg { width: 100%; height: 100%; overflow: visible; }
.trunk-shadow, .trunk-path { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.trunk-shadow { stroke: rgba(255, 243, 220, 0.12); stroke-width: 30; }
.trunk-path {
  stroke: url(#kelpGlow);
  stroke-width: 14;
  stroke-dasharray: 1160;
  stroke-dashoffset: calc(1160 - (1160 * var(--growth, 0)));
  transition: stroke-dashoffset 120ms linear;
}

.trunk-orb {
  position: absolute;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--lagoon-mint);
  box-shadow: 0 0 1.1rem var(--lagoon-mint);
  animation: pulse 2.8s ease-in-out infinite;
}
.orb-a { left: 5.2rem; top: 20vh; }
.orb-b { left: 3.9rem; top: 52vh; animation-delay: -0.8s; background: var(--mango-gold); box-shadow: 0 0 1.1rem var(--mango-gold); }
.orb-c { left: 5.7rem; top: 78vh; animation-delay: -1.6s; background: var(--coral-sunset); box-shadow: 0 0 1.1rem var(--coral-sunset); }
@keyframes pulse { 50% { transform: scale(1.55); opacity: 0.5; } }

.market-tree { position: relative; z-index: 5; }
.chapter {
  position: relative;
  min-height: 100vh;
  padding: clamp(5rem, 9vw, 8rem) clamp(1.4rem, 6vw, 6rem) clamp(4rem, 8vw, 7rem);
  display: grid;
  align-items: center;
}

.hero { grid-template-columns: minmax(0, 1fr); padding-left: clamp(6rem, 28vw, 29rem); }

.crate-sign {
  max-width: 56rem;
  position: relative;
  padding: clamp(1.2rem, 4vw, 2.6rem);
  border-radius: 2rem 4rem 2.5rem 3.5rem;
  background:
    linear-gradient(135deg, rgba(255, 243, 220, 0.18), rgba(255, 200, 87, 0.12)),
    repeating-linear-gradient(0deg, rgba(255, 243, 220, 0.07) 0 2px, transparent 2px 18px);
  border: 1px solid rgba(255, 243, 220, 0.28);
  box-shadow: inset 0 0 3rem rgba(255, 200, 87, 0.12), 0 2rem 5rem rgba(0, 0, 0, 0.18);
}

.micro, .chapter-num {
  margin: 0 0 0.8rem;
  color: var(--lagoon-mint);
  font: 700 0.78rem/1.25 var(--mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1, h2 {
  margin: 0;
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: 0.015em;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(4.4rem, 12vw, 11rem);
  line-height: 0.86;
  color: var(--pearl-foam);
  text-shadow: 0.08em 0.08em 0 rgba(255, 107, 94, 0.55), -0.04em -0.03em 0 rgba(63, 224, 197, 0.38);
}

h2 {
  font-size: clamp(2.4rem, 6.6vw, 6.3rem);
  line-height: 0.9;
  color: var(--pearl-foam);
  text-shadow: 0 0 1.6rem rgba(255, 200, 87, 0.22);
}

p { font-size: clamp(1rem, 1.45vw, 1.24rem); line-height: 1.75; }
.hero-copy { max-width: 39rem; color: rgba(255, 243, 220, 0.85); }

.market-fruit {
  width: 10rem;
  height: 11rem;
  border-radius: 55% 45% 48% 52% / 58% 42% 56% 44%;
  background: radial-gradient(circle at 38% 30%, var(--pearl-foam), var(--mango-gold) 30%, var(--coral-sunset) 66%, rgba(109, 93, 246, 0.82));
  box-shadow: 0 0 3rem rgba(255, 200, 87, 0.55), inset -1rem -1rem 2rem rgba(6, 63, 74, 0.22);
  display: grid;
  place-items: center;
  color: var(--deep-teal);
  font: 700 0.82rem var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-fruit { position: absolute; right: 12vw; top: 18vh; animation: floatFruit 5.5s ease-in-out infinite; }
.nfc-line { position: absolute; width: 4rem; height: 4rem; border: 3px solid rgba(6, 63, 74, 0.42); border-left: 0; border-bottom: 0; border-radius: 50%; transform: rotate(35deg); }
@keyframes floatFruit { 50% { transform: translateY(-1.1rem) rotate(5deg); } }
.crate-rings { position: absolute; right: 8vw; bottom: 12vh; width: 18rem; height: 18rem; border: 1px solid rgba(255, 200, 87, 0.24); border-radius: 50%; box-shadow: inset 0 0 0 2rem rgba(255, 200, 87, 0.04), inset 0 0 0 5rem rgba(255, 107, 94, 0.035); }

.branch { padding-left: clamp(5rem, 21vw, 22rem); }
.branch.left { padding-left: clamp(5rem, 10vw, 9rem); padding-right: clamp(2rem, 48vw, 43rem); }
.branch.right { padding-left: clamp(8rem, 39vw, 38rem); padding-right: clamp(1.4rem, 8vw, 8rem); }
.branch.wide { padding-right: clamp(1.4rem, 5vw, 5rem); }

.node {
  position: relative;
  padding: clamp(1.5rem, 4vw, 3.4rem);
  border: 1px solid rgba(255, 243, 220, 0.24);
  background: linear-gradient(145deg, rgba(255, 243, 220, 0.14), rgba(63, 224, 197, 0.09) 48%, rgba(109, 93, 246, 0.14));
  backdrop-filter: blur(14px);
  box-shadow: inset 0 0 4rem rgba(255, 243, 220, 0.06), 0 2.2rem 5rem rgba(0, 0, 0, 0.22);
  overflow: hidden;
}
.shell-node { clip-path: ellipse(49% 46% at 50% 50%); padding: clamp(3rem, 6vw, 5.5rem); }
.root-node { border-radius: 44% 56% 53% 47% / 34% 44% 56% 66%; }
.canopy-node { border-radius: 4rem 11rem 5rem 9rem; }
.tide-node { clip-path: ellipse(50% 43% at 50% 51%); padding: clamp(3rem, 6vw, 5.2rem); }
.ledger-node { border-radius: 8rem 4rem 10rem 5rem; background: linear-gradient(145deg, rgba(109, 93, 246, 0.28), rgba(6, 63, 74, 0.68), rgba(63, 224, 197, 0.12)); }

.node p { max-width: 42rem; color: rgba(255, 243, 220, 0.82); }
.branch-line { position: absolute; top: 50%; height: 2px; width: clamp(7rem, 18vw, 18rem); background: linear-gradient(90deg, transparent, var(--lagoon-mint), rgba(255, 200, 87, 0.56)); box-shadow: 0 0 1rem rgba(63, 224, 197, 0.55); }
.right .branch-line { left: clamp(9rem, 24vw, 25rem); }
.left .branch-line { right: clamp(33rem, 44vw, 44rem); transform: rotate(180deg); }

.object-row, .auction-pool { display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; margin-top: 1.6rem; }
button, .barcode-leaf, .stall, .final-token {
  border: 0;
  border-radius: 999px;
  padding: 0.8rem 1.05rem;
  font: 700 0.82rem var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.sea-token { color: var(--deep-teal); background: linear-gradient(135deg, var(--mango-gold), var(--coral-sunset)); }
.barcode-leaf, .shell-tag, .price-shell { color: var(--pearl-foam); background: rgba(46, 125, 82, 0.58); box-shadow: inset 0 0 0 1px rgba(63, 224, 197, 0.34); cursor: pointer; }
.barcode-leaf { display: inline-flex; background-image: repeating-linear-gradient(90deg, rgba(255, 243, 220, 0.28) 0 2px, transparent 2px 7px); }
.shell-tag { margin-top: 1.1rem; border-radius: 52% 48% 55% 45%; background-color: rgba(255, 243, 220, 0.17); }
.price-shell { font-size: 1rem; color: var(--deep-teal); background: linear-gradient(135deg, var(--pearl-foam), var(--mango-gold)); }

.shaking { animation: shellShake 250ms linear, correctedGlow 900ms ease forwards; }
@keyframes shellShake { 0%, 100% { transform: translateX(0); } 20% { transform: translateX(-9px); } 40% { transform: translateX(8px); } 60% { transform: translateX(-5px); } 80% { transform: translateX(4px); } }
@keyframes correctedGlow { 55% { box-shadow: 0 0 0 0 rgba(109, 93, 246, 0.8), 0 0 0 0.7rem rgba(109, 93, 246, 0.22); } 100% { background: linear-gradient(135deg, var(--coral-sunset), var(--mango-gold)); color: var(--deep-teal); box-shadow: 0 0 1.8rem rgba(255, 107, 94, 0.42); } }

.root-grid { display: grid; grid-template-columns: repeat(3, 4rem); gap: 0.55rem; margin-top: 1.5rem; }
.root-grid span { height: 2.3rem; border-radius: 2rem 0.4rem 2rem 0.4rem; background: linear-gradient(90deg, rgba(63, 224, 197, 0.7), rgba(46, 125, 82, 0.35)); box-shadow: 0 0 1rem rgba(63, 224, 197, 0.24); }

.stall-orbit { position: relative; min-height: 14rem; margin-top: 1.4rem; }
.stall { position: absolute; display: inline-grid; place-items: center; color: var(--deep-teal); background: var(--pearl-foam); box-shadow: 0 0 1.5rem rgba(255, 243, 220, 0.22); }
.stall.shell { left: 0; top: 2rem; border-radius: 49% 51% 41% 59%; }
.stall.fruit { left: 42%; top: 0; background: var(--mango-gold); }
.stall.leaf { right: 8%; bottom: 1.2rem; background: var(--lagoon-mint); }
.frond-shadow { position: absolute; inset: 8vh 0 auto auto; width: 40vw; height: 65vh; opacity: 0.22; background: repeating-linear-gradient(118deg, transparent 0 1.6rem, rgba(46, 125, 82, 0.8) 1.7rem 2rem); clip-path: polygon(20% 0, 100% 10%, 80% 100%, 0 80%); }

.petal-cloud i { position: absolute; width: 1.4rem; height: 1.4rem; border-radius: 0.2rem 1rem; background: var(--coral-sunset); opacity: 0.72; animation: petalDrift 6s ease-in-out infinite; }
.petal-cloud i:nth-child(1) { right: 18%; top: 24%; }
.petal-cloud i:nth-child(2) { right: 28%; top: 58%; animation-delay: -1s; background: var(--mango-gold); }
.petal-cloud i:nth-child(3) { right: 8%; top: 48%; animation-delay: -2s; background: var(--lagoon-mint); }
.petal-cloud i:nth-child(4) { right: 38%; top: 34%; animation-delay: -3s; background: var(--violet-dusk); }
@keyframes petalDrift { 50% { transform: translate(1rem, -1.7rem) rotate(45deg); } }

.ripple-dot { width: 1rem; height: 1rem; border-radius: 50%; background: var(--violet-dusk); box-shadow: 0 0 0 0 rgba(109, 93, 246, 0.55); animation: ripple 2.2s ease-out infinite; }
.ripple-dot.second { animation-delay: -1.1s; background: var(--lagoon-mint); }
@keyframes ripple { 70%, 100% { box-shadow: 0 0 0 2.4rem rgba(109, 93, 246, 0); } }

.observatory { padding-left: clamp(7rem, 29vw, 28rem); }
.ledger-dots { display: grid; grid-template-columns: repeat(4, 1rem); gap: 1rem; margin-top: 2rem; }
.ledger-dots span { width: 0.9rem; height: 0.9rem; border-radius: 50%; background: var(--lagoon-mint); box-shadow: 0 0 1.4rem var(--lagoon-mint); animation: pulse 3s ease-in-out infinite; }
.ledger-dots span:nth-child(2n) { background: var(--mango-gold); box-shadow: 0 0 1.4rem var(--mango-gold); animation-delay: -1s; }
.ledger-dots span:nth-child(3n) { background: var(--coral-sunset); box-shadow: 0 0 1.4rem var(--coral-sunset); animation-delay: -2s; }
.final-token { position: absolute; right: 16vw; bottom: 20vh; color: var(--deep-teal); background: linear-gradient(135deg, rgba(255, 243, 220, 0.9), rgba(63, 224, 197, 0.7)); animation: tokenLift 7s ease-in-out infinite; }
@keyframes tokenLift { 50% { transform: translateY(-4rem) rotate(8deg); } }

.reveal { opacity: 0; transform: translateY(3.2rem) scale(0.96); filter: blur(10px); transition: opacity 800ms ease, transform 900ms cubic-bezier(0.2, 0.9, 0.25, 1), filter 900ms ease; }
.reveal.visible { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }

body.current-ledger .sea-gradient { background: radial-gradient(circle at 55% 20%, rgba(109, 93, 246, 0.35), transparent 25rem), linear-gradient(160deg, rgba(6, 63, 74, 0.38), rgba(63, 224, 197, 0.09)); }

@media (max-width: 820px) {
  .buoy-nav { left: 0.55rem; }
  .sticky-trunk { left: 2.8rem; width: 7rem; }
  .hero, .branch, .branch.left, .branch.right, .observatory { padding-left: 6.5rem; padding-right: 1rem; }
  .branch-line { display: none; }
  .shell-node, .tide-node { clip-path: none; border-radius: 2.4rem; padding: 2rem; }
  h1 { font-size: clamp(3.2rem, 18vw, 5.2rem); }
  .hero-fruit { right: 1rem; top: auto; bottom: 8vh; width: 7rem; height: 7.6rem; }
  .root-grid { grid-template-columns: repeat(2, 3.2rem); }
  .stall-orbit { min-height: 18rem; }
  .stall.leaf { left: 10%; right: auto; }
}