:root {
  --ink: #0e1a12;
  --ink-2: #3b4a3f;
  --muted: #6b786e;
  --paper: #f3f4ee;
  --paper-2: #e9ece2;
  --line: rgba(14, 26, 18, 0.12);
  --forest: #14281a;
  --forest-2: #1d3a24;
  --moss: #2f5a35;
  --leaf: #8fc96a;
  --glow: #d6f5b0;
  --sky: #a9d4f2;
  --sky-2: #e3f2fc;
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Geist", ui-sans-serif, system-ui, sans-serif;
  --mono: "Geist Mono", ui-monospace, monospace;
  --r: 22px;
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 500;
  letter-spacing: -0.02em;
}
em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
}
p {
  margin: 0;
}

/* ---------- nav ---------- */
.nav {
  position: fixed;
  inset: 16px 16px auto;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1240px;
  margin: 0 auto;
  padding: 10px 10px 10px 18px;
  border-radius: 999px;
  background: rgba(243, 244, 238, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  transition:
    background 0.3s,
    box-shadow 0.3s;
}
.nav.scrolled {
  background: rgba(243, 244, 238, 0.88);
  box-shadow: 0 10px 30px rgba(14, 26, 18, 0.08);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.mark {
  width: 28px;
  height: 28px;
  filter: drop-shadow(0 2px 3px rgba(20, 40, 26, 0.35));
}
.nav .mark {
  background: var(--forest);
  border-radius: 9px;
  padding: 3px;
}
.links {
  display: flex;
  gap: 28px;
  font-size: 15px;
  color: var(--ink-2);
}
.links a {
  position: relative;
}
.links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.links a:hover::after {
  transform: scaleX(1);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 24px;
  border-radius: 999px;
  background: var(--forest);
  color: #f3f8ec;
  font-weight: 500;
  font-size: 16px;
  transition:
    transform 0.25s var(--ease),
    background 0.25s,
    box-shadow 0.25s;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 8px 20px rgba(20, 40, 26, 0.22);
}
.btn:hover {
  transform: translateY(-2px);
  background: var(--forest-2);
}
.btn .arr {
  transition: transform 0.25s var(--ease);
}
.btn:hover .arr {
  transform: translate(2px, -2px);
}
.btn-sm {
  padding: 10px 18px;
  font-size: 14px;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 8px;
}
.x-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  min-width: 40px;
  padding: 0 16px 0 13px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--forest);
  font-size: 14px;
  font-weight: 500;
  box-shadow:
    inset 0 0 0 1px rgba(20, 40, 26, 0.12),
    0 2px 8px rgba(20, 40, 26, 0.06);
  transition:
    transform 0.25s var(--ease),
    background 0.25s,
    color 0.25s,
    box-shadow 0.25s;
}
.x-btn svg {
  width: 15px;
  height: 15px;
  fill: currentColor;
  flex-shrink: 0;
  transition: transform 0.35s var(--ease);
}
.x-btn:hover {
  transform: translateY(-2px);
  background: var(--forest);
  color: var(--glow);
  box-shadow: 0 8px 20px rgba(20, 40, 26, 0.22);
}
.x-btn:hover svg {
  transform: rotate(-8deg) scale(1.08);
}
.x-btn:focus-visible,
.btn:focus-visible {
  outline: 3px solid var(--leaf);
  outline-offset: 3px;
}
.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1px var(--line);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.5);
}
.btn-light {
  background: #f3f8ec;
  color: var(--forest);
}
.btn-light:hover {
  background: #fff;
}

/* ---------- hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 140px 24px 120px;
  overflow: hidden;
}
.sky {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    #7fb8e6 0%,
    #b5dcf5 38%,
    #e6f2f6 62%,
    #dfe9d3 74%
  );
}
.cloud {
  position: absolute;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.75);
  filter: blur(22px);
}
.c1 {
  width: 520px;
  height: 90px;
  top: 12%;
  left: -6%;
  animation: drift 46s linear infinite;
}
.c2 {
  width: 380px;
  height: 70px;
  top: 22%;
  left: 50%;
  animation: drift 60s linear infinite -20s;
  opacity: 0.8;
}
.c3 {
  width: 620px;
  height: 110px;
  top: 6%;
  left: 70%;
  animation: drift 70s linear infinite -40s;
  opacity: 0.7;
}
@keyframes drift {
  from {
    transform: translateX(-30vw);
  }
  to {
    transform: translateX(110vw);
  }
}
.hills {
  position: absolute;
  left: -10%;
  right: -10%;
  bottom: 16%;
  height: 30%;
  background:
    radial-gradient(60% 100% at 20% 100%, #6f9a74 0 60%, transparent 61%),
    radial-gradient(50% 90% at 70% 100%, #5c8a62 0 60%, transparent 61%);
  filter: blur(6px);
  opacity: 0.7;
}
.grass {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 26%;
  background:
    repeating-linear-gradient(
      95deg,
      rgba(255, 255, 255, 0.05) 0 3px,
      transparent 3px 9px
    ),
    linear-gradient(180deg, #4f8a3c 0%, #2f6a27 40%, #1d4a1a 100%);
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 22%);
  mask-image: linear-gradient(180deg, transparent 0, #000 22%);
}

.hero-inner {
  position: relative;
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 60px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--forest);
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(8px);
}
.dot {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: var(--leaf);
  box-shadow: 0 0 0 0 rgba(143, 201, 106, 0.6);
  animation: ping 2s infinite;
}
@keyframes ping {
  70% {
    box-shadow: 0 0 0 10px rgba(143, 201, 106, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(143, 201, 106, 0);
  }
}
h1 {
  font-size: clamp(56px, 7.4vw, 108px);
  line-height: 0.95;
  margin: 26px 0 24px;
  color: var(--forest);
  letter-spacing: -0.045em;
}
h1 em {
  color: var(--moss);
}
.lede {
  font-size: 20px;
  max-width: 520px;
  color: var(--ink-2);
}
.lede strong {
  color: var(--forest);
  font-weight: 600;
}
.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.facts {
  display: flex;
  gap: 0;
  margin: 44px 0 0;
  padding: 0;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  max-width: 520px;
}
.facts div {
  flex: 1;
  padding: 16px 18px;
  border-left: 1px solid var(--line);
}
.facts div:first-child {
  border-left: 0;
}
.facts dt {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.facts dd {
  margin: 4px 0 0;
  font-weight: 600;
  color: var(--forest);
}
/* ---------- card ---------- */
.hero-card {
  position: relative;
  height: 520px;
  perspective: 1400px;
  display: grid;
  place-items: center;
}
.card {
  position: relative;
  width: 470px;
  aspect-ratio: 1.586;
  border-radius: 26px;
  overflow: hidden;
  padding: 30px 32px;
  color: #eef6e6;
  background:
    radial-gradient(
      120% 90% at 85% 0%,
      rgba(214, 245, 176, 0.18),
      transparent 50%
    ),
    linear-gradient(135deg, #3d6e3f 0%, #2a5530 38%, #1c3d22 70%, #13291a 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 rgba(0, 0, 0, 0.3),
    0 50px 80px -20px rgba(10, 30, 14, 0.55),
    0 18px 30px rgba(10, 30, 14, 0.25);
  transform-style: preserve-3d;
  transform: rotateX(8deg) rotateY(-14deg) rotateZ(-4deg);
  transition: transform 0.5s var(--ease);
  animation: float 7s ease-in-out infinite;
}
@keyframes float {
  50% {
    translate: 0 -14px;
  }
}
.card::before {
  /* brushed metal */
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.22;
  mix-blend-mode: overlay;
  background: repeating-linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.35) 0 1px,
    transparent 1px 3px
  );
}
.card-facet {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    115deg,
    transparent 52%,
    rgba(255, 255, 255, 0.08) 52.2%,
    rgba(255, 255, 255, 0.02) 66%,
    rgba(0, 0, 0, 0.12) 66.2%,
    transparent 80%
  );
}
.card-sheen {
  position: absolute;
  inset: -40%;
  background: radial-gradient(
    closest-side,
    rgba(255, 255, 255, 0.28),
    transparent 70%
  );
  width: 60%;
  height: 60%;
  pointer-events: none;
  transition: opacity 0.3s;
  opacity: 0.6;
}
.card-top {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.card-name {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.card-sub {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.32em;
  opacity: 0.75;
  margin-top: 2px;
}
.card-mark {
  width: 54px;
  height: 54px;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.35));
}
.card-mid {
  position: relative;
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
}
.chip {
  width: 54px;
  height: 40px;
  border-radius: 8px;
  background: linear-gradient(135deg, #e9eee6, #b7bfb3 50%, #dfe5db);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.15);
  background-image:
    linear-gradient(135deg, #e9eee6, #b7bfb3 50%, #dfe5db),
    linear-gradient(
      90deg,
      transparent 32%,
      rgba(0, 0, 0, 0.18) 32% 34%,
      transparent 34% 66%,
      rgba(0, 0, 0, 0.18) 66% 68%,
      transparent 68%
    );
  background-blend-mode: multiply;
}
.nfc {
  width: 26px;
  height: 26px;
  color: #e6f2dc;
  opacity: 0.85;
}
.card-num {
  position: relative;
  margin-top: 30px;
  font-family: var(--mono);
  font-size: 18px;
  letter-spacing: 0.14em;
  opacity: 0.92;
}

.toast {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  box-shadow: 0 20px 40px rgba(14, 26, 18, 0.14);
  font-size: 14px;
  opacity: 0;
  transform: translateY(16px) scale(0.96);
  animation: toastIn 0.8s var(--ease) forwards;
}
.toast .tk {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: 8px;
  background: var(--forest);
  color: var(--glow);
}
.toast .tx {
  color: var(--ink-2);
}
.toast .cb {
  font-weight: 600;
  color: var(--moss);
  font-variant-numeric: tabular-nums;
}
.t1 {
  top: 40px;
  right: 0;
  animation-delay: 0.9s;
}
.t2 {
  bottom: 50px;
  left: -10px;
  animation-delay: 1.6s;
}
@keyframes toastIn {
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- ticker ---------- */
.ticker {
  background: var(--forest);
  color: #cfe6c0;
  overflow: hidden;
  border-block: 1px solid rgba(255, 255, 255, 0.06);
}
.ticker-track {
  display: flex;
  gap: 0;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.ticker span {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  padding: 18px 34px;
  position: relative;
}
.ticker span::after {
  content: "";
  position: absolute;
  right: -3px;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--leaf);
  transform: translateY(-50%);
  opacity: 0.7;
}
@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- sections ---------- */
.section {
  max-width: 1240px;
  margin: 0 auto;
  padding: 140px 24px;
}
.section-head {
  max-width: 720px;
  margin-bottom: 64px;
}
.kicker {
  font-family: var(--mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--moss);
  margin-bottom: 18px;
}
.kicker.light {
  color: var(--leaf);
}
h2 {
  font-size: clamp(40px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -0.04em;
  color: var(--forest);
}
h2 em {
  color: var(--moss);
}
h2.light {
  color: #f0f6e8;
}
h2.light em {
  color: var(--leaf);
}
.body {
  margin-top: 22px;
  font-size: 19px;
  color: var(--ink-2);
  max-width: 560px;
}
.body.light {
  color: #b9cdb6;
}

/* steps */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.step {
  position: relative;
  padding: 34px 30px 30px;
  border-radius: var(--r);
  background: #fff;
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  transition:
    transform 0.4s var(--ease),
    box-shadow 0.4s;
}
.step:hover {
  transform: translateY(-6px);
  box-shadow: 0 30px 50px -20px rgba(14, 26, 18, 0.18);
}
.step-n {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--muted);
}
.step h3 {
  font-size: 34px;
  margin: 14px 0 12px;
  color: var(--forest);
}
.step p {
  color: var(--ink-2);
  font-size: 16px;
}
.viz {
  margin-top: 28px;
  padding: 18px;
  border-radius: 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  min-height: 150px;
}
.quote-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  color: var(--ink-2);
}
.quote-row b {
  color: var(--forest);
  font-weight: 600;
}
.impact {
  margin-top: 14px;
  font-size: 13px;
  color: var(--muted);
}
.impact-bar {
  height: 8px;
  border-radius: 99px;
  background: var(--paper-2);
  margin: 8px 0;
  position: relative;
  overflow: hidden;
}
.impact-bar::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #c86a4b;
  transform: translateX(-200%);
}
.impact-bar i {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--leaf), var(--moss));
  transition: width 1.4s var(--ease) 0.3s;
}
.in .impact-bar i {
  width: 20%;
}
.impact .ok {
  color: var(--moss);
  font-weight: 600;
}

.viz-hold svg {
  width: 100%;
  height: 110px;
  display: block;
}
.hold-area {
  fill: rgba(143, 201, 106, 0.18);
}
.hold-line {
  fill: none;
  stroke: var(--moss);
  stroke-width: 2.5;
  stroke-dasharray: 520;
  stroke-dashoffset: 520;
  transition: stroke-dashoffset 2s var(--ease) 0.2s;
}
.in .hold-line {
  stroke-dashoffset: 0;
}
.hold-avg {
  stroke: var(--forest);
  stroke-width: 1.5;
  stroke-dasharray: 5 6;
}
.hold-legend {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--muted);
  margin-top: 8px;
}
.hold-legend i {
  display: inline-block;
  width: 14px;
  height: 3px;
  border-radius: 2px;
  margin-right: 6px;
  vertical-align: middle;
}
.l1 {
  background: var(--moss);
}
.l2 {
  background: var(--forest);
}

.viz-claim {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  background: var(--forest);
  border-color: transparent;
  color: #eaf3e0;
}
.claim-amt {
  font-size: 46px;
  font-weight: 600;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.claim-amt small {
  font-size: 15px;
  font-weight: 500;
  margin-left: 6px;
  color: var(--leaf);
}
.claim-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: #9fb79a;
  margin-top: 2px;
}
.claim-btn {
  margin-top: 14px;
  padding: 9px 18px;
  border-radius: 99px;
  background: var(--glow);
  color: var(--forest);
  font-weight: 600;
  font-size: 14px;
}

/* tiers */
.tiers {
  max-width: none;
  background: radial-gradient(
    80% 120% at 100% 0%,
    #24472c 0%,
    var(--forest) 55%
  );
  color: #f0f6e8;
}
.tiers-grid {
  max-width: 1240px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.note {
  margin-top: 26px;
  font-family: var(--mono);
  font-size: 12px;
  color: #7f977c;
}
.meter {
  padding: 34px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}
.meter-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 15px;
  color: #b9cdb6;
}
.meter-top b {
  font-size: 26px;
  color: #f0f6e8;
  font-variant-numeric: tabular-nums;
}
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  margin: 22px 0 10px;
  border-radius: 99px;
  background: linear-gradient(
    90deg,
    var(--leaf) var(--p, 38%),
    rgba(255, 255, 255, 0.12) var(--p, 38%)
  );
  outline: none;
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 99px;
  background: #f3f8ec;
  border: 6px solid var(--leaf);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s;
}
input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.12);
}
input[type="range"]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 99px;
  background: #f3f8ec;
  border: 6px solid var(--leaf);
}
.meter-scale {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 12px;
  color: #7f977c;
}
.rate {
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 30px 0 26px;
}
.rate-num {
  font-size: 104px;
  line-height: 0.9;
  font-weight: 600;
  letter-spacing: -0.05em;
  color: var(--glow);
  font-variant-numeric: tabular-nums;
}
.rate-num small {
  font-size: 44px;
  color: var(--leaf);
}
.rate-label {
  color: #b9cdb6;
  font-size: 15px;
}
.rate-label span {
  color: #f0f6e8;
  font-weight: 600;
}
.tier-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.tier-list li {
  padding: 12px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition:
    background 0.35s,
    border-color 0.35s,
    transform 0.35s var(--ease);
}
.tier-list span {
  font-family: var(--mono);
  font-size: 11px;
  color: #7f977c;
}
.tier-list b {
  font-weight: 600;
  font-size: 15px;
}
.tier-list em {
  font-family: var(--sans);
  font-style: normal;
  font-size: 13px;
  color: var(--leaf);
}
.tier-list li.on {
  background: rgba(143, 201, 106, 0.14);
  border-color: rgba(143, 201, 106, 0.5);
}
.tier-list li.cur {
  transform: translateY(-4px);
  background: var(--leaf);
  border-color: var(--leaf);
  color: var(--forest);
}
.tier-list li.cur span,
.tier-list li.cur em {
  color: var(--forest);
}

/* engine */
.pipe {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}
.pipe-line {
  position: absolute;
  left: 4%;
  right: 4%;
  top: 27px;
  height: 2px;
  background: var(--line);
  overflow: hidden;
}
.pipe-line .pulse {
  position: absolute;
  top: -2px;
  left: -20%;
  width: 20%;
  height: 6px;
  border-radius: 99px;
  background: linear-gradient(90deg, transparent, var(--leaf), var(--moss));
  animation: run 3.6s var(--ease) infinite;
}
@keyframes run {
  to {
    left: 100%;
  }
}
.pipe-node {
  position: relative;
  padding-top: 0;
}
.pn {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 18px;
  color: var(--forest);
  position: relative;
  z-index: 1;
  transition:
    background 0.4s,
    color 0.4s,
    transform 0.4s var(--ease);
}
.pipe-node.lit .pn {
  background: var(--forest);
  color: var(--glow);
  transform: translateY(-3px);
}
.pipe-node h4 {
  font-size: 22px;
  margin: 22px 0 8px;
  color: var(--forest);
}
.pipe-node p {
  font-size: 15px;
  color: var(--ink-2);
}
.pipe-node p em {
  font-size: 17px;
}

/* fixed */
.fixed {
  max-width: none;
  background: var(--forest);
  color: #f0f6e8;
}
.fixed > * {
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
}
.contracts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.contract {
  padding: 30px;
  border-radius: var(--r);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0.02)
  );
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition:
    border-color 0.3s,
    transform 0.4s var(--ease);
}
.contract:hover {
  border-color: rgba(143, 201, 106, 0.5);
  transform: translateY(-4px);
}
.c-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 16px;
  color: var(--glow);
}
.c-dot {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--leaf);
  box-shadow: 0 0 14px var(--leaf);
}
.contract p {
  margin: 16px 0 20px;
  color: #b9cdb6;
  font-size: 16px;
}
.contract code {
  font-family: var(--mono);
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.25);
  color: #9fb79a;
}
.units {
  margin-top: 90px;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 60px;
  align-items: center;
  padding-top: 70px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.units h3 {
  font-size: 40px;
  line-height: 1.05;
  letter-spacing: -0.03em;
}
.units p:not(.kicker) {
  margin-top: 18px;
  color: #b9cdb6;
}
.units-r {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
}
.ledger {
  padding: 22px 26px;
  border-radius: 18px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.ledger span {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  color: #7f977c;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.ledger b {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 28px;
  color: var(--glow);
  font-variant-numeric: tabular-nums;
}
.ledger.shown {
  background: var(--glow);
}
.ledger.shown b {
  font-family: var(--sans);
  font-weight: 600;
  color: var(--forest);
  font-size: 34px;
}
.ledger.shown span {
  color: var(--moss);
}
.ledger-arrow {
  font-size: 28px;
  color: var(--leaf);
  animation: nudge 1.8s ease-in-out infinite;
}
@keyframes nudge {
  50% {
    transform: translateX(6px);
  }
}

/* final */
.final {
  position: relative;
  min-height: 80vh;
  display: grid;
  place-items: center;
  text-align: center;
  overflow: hidden;
  color: #fff;
  padding: 120px 24px;
}
.final-bg {
  position: absolute;
  inset: -6%;
  background: url("assets/banner.jpg") center 70% / cover no-repeat;
  filter: saturate(1.1) blur(14px);
  transform: scale(1.12);
}
.final-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(
      60% 60% at 50% 50%,
      rgba(14, 26, 18, 0.55),
      rgba(14, 26, 18, 0.25) 70%
    ),
    linear-gradient(
      180deg,
      rgba(14, 26, 18, 0.1) 0%,
      rgba(14, 26, 18, 0.75) 100%
    );
}
.final-inner {
  position: relative;
}
.final-mark {
  width: 84px;
  height: 84px;
  margin-bottom: 26px;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.35));
  animation: spin 14s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(-360deg);
  }
}
.final h2 {
  color: #fff;
  font-size: clamp(48px, 6.4vw, 96px);
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
}
.final h2 em {
  color: var(--glow);
}
.final p {
  margin: 22px 0 34px;
  font-size: 20px;
  color: #e3eedc;
}

/* footer */
.foot {
  background: var(--ink);
  color: #a8b8a6;
  padding: 50px 24px 60px;
}
.foot-row {
  max-width: 1240px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  color: #f0f6e8;
}
.legal {
  max-width: 1240px;
  margin: 28px auto 0;
  font-size: 13px;
  line-height: 1.6;
  color: #788a76;
}

/* reveal */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.9s var(--ease),
    transform 0.9s var(--ease);
}
.reveal.in {
  opacity: 1;
  transform: none;
}
.steps .reveal:nth-child(2),
.contracts .reveal:nth-child(2) {
  transition-delay: 0.12s;
}
.steps .reveal:nth-child(3),
.contracts .reveal:nth-child(3) {
  transition-delay: 0.24s;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* responsive */
@media (max-width: 980px) {
  .links {
    display: none;
  }
  .hero-inner,
  .tiers-grid,
  .units {
    grid-template-columns: 1fr;
  }
  .hero-card {
    height: 420px;
  }
  .card {
    width: min(420px, 86vw);
  }
  .steps,
  .contracts {
    grid-template-columns: 1fr;
  }
  .pipe {
    grid-template-columns: 1fr;
    gap: 26px;
  }
  .pipe-line {
    display: none;
  }
  .tier-list {
    grid-template-columns: repeat(2, 1fr);
  }
  .section {
    padding: 100px 20px;
  }
}
@media (max-width: 720px) {
  .x-btn {
    padding: 0;
    width: 40px;
  }
  .x-btn span {
    display: none;
  }
}
@media (max-width: 520px) {
  .hero {
    padding-top: 120px;
  }
  .facts div {
    padding: 12px 12px;
  }
  .facts dd {
    font-size: 14px;
  }
  .eyebrow {
    font-size: 11px;
    letter-spacing: 0.03em;
  }
  .cta-row .btn {
    flex: 1;
    justify-content: center;
  }
  .toast {
    font-size: 12px;
    padding: 10px 12px;
    gap: 8px;
  }
  .t1 {
    right: -6px;
  }
  /* card content is sized for 470px; scale it down so nothing is clipped */
  .hero-card {
    height: 360px;
  }
  .card {
    display: flex;
    flex-direction: column;
    padding: 20px 22px;
    border-radius: 20px;
  }
  .card-name {
    font-size: 22px;
  }
  .card-sub {
    font-size: 9px;
  }
  .card-mark {
    width: 40px;
    height: 40px;
  }
  .card-mid {
    margin-top: 14px;
  }
  .chip {
    width: 42px;
    height: 31px;
    border-radius: 6px;
  }
  .nfc {
    width: 20px;
    height: 20px;
  }
  .card-num {
    margin-top: auto;
    font-size: 14px;
  }
  .rate-num {
    font-size: 80px;
  }
  .units-r {
    flex-direction: column;
  }
  .ledger-arrow {
    transform: rotate(90deg);
  }
}