:root {
  --bg: #05070d;
  --bg-soft: #0b1020;
  --panel: rgba(12, 17, 32, 0.74);
  --panel-strong: rgba(15, 24, 40, 0.9);
  --line: rgba(167, 176, 192, 0.16);
  --line-bright: rgba(101, 245, 181, 0.34);
  --text: #f5f7fa;
  --muted: #a7b0c0;
  --soft: #d8dee8;
  --green: #65f5b5;
  --violet: #766bff;
  --cyan: #43d7ff;
  --danger: #ff7a90;
  --radius: 22px;
  --radius-sm: 14px;
  --max: 1240px;
  --shadow: 0 28px 72px rgba(0, 0, 0, 0.34);
  --font: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  color: var(--text);
  font-family: var(--font);
  background:
    linear-gradient(180deg, rgba(11, 16, 32, 0.72), rgba(5, 7, 13, 0) 34rem),
    var(--bg);
  overflow-x: hidden;
  letter-spacing: 0;
}

body.menu-open {
  overflow: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.032) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.032) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.75), transparent 76%);
}

.site-bg {
  position: fixed;
  inset: 0;
  z-index: -4;
  pointer-events: none;
  background:
    radial-gradient(circle at 72% 8%, rgba(118, 107, 255, 0.2), transparent 28rem),
    radial-gradient(circle at 16% 22%, rgba(101, 245, 181, 0.14), transparent 24rem),
    radial-gradient(circle at 70% 86%, rgba(67, 215, 255, 0.1), transparent 30rem),
    #05070d;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.7;
}

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

.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  z-index: 60;
  width: min(calc(100% - 40px), var(--max));
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 14px 0 18px;
  border: 1px solid transparent;
  border-radius: 24px;
  transform: translateX(-50%);
  transition: background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, top 0.25s ease;
}

.site-header.is-scrolled,
.site-header:focus-within {
  top: 12px;
  background: rgba(5, 7, 13, 0.72);
  border-color: rgba(167, 176, 192, 0.14);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: max-content;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand strong {
  display: block;
  font-size: 16px;
  line-height: 1;
  letter-spacing: 0.12em;
}

.brand small {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 9px;
  line-height: 1;
  letter-spacing: 0.22em;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  padding: 6px;
  border: 1px solid rgba(167, 176, 192, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.site-nav a {
  position: relative;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border-radius: 12px;
  color: var(--muted);
  font-size: 13px;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.052);
  outline: 0;
}

.site-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 6px;
  height: 2px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--green), var(--cyan));
}

.menu-toggle {
  display: none;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid rgba(167, 176, 192, 0.16);
  border-radius: 14px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 19px;
  height: 2px;
  margin: 5px auto;
  border-radius: 99px;
  background: currentColor;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.menu-toggle.is-open span:first-child {
  transform: translateY(3.5px) rotate(45deg);
}

.menu-toggle.is-open span:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}

.section,
.hero-inner,
.site-footer {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.hero {
  position: relative;
  min-height: 100svh;
  padding: 118px 0 70px;
  display: grid;
  align-items: center;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(420px, 0.98fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
}

.eyebrow,
.kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--green);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow span,
.kicker::before {
  content: "";
  width: 34px;
  height: 1px;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--green), transparent);
}

.hero h1,
.section-head h2 {
  margin: 0;
  color: var(--text);
  font-weight: 760;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 800px;
  margin-top: 22px;
  font-size: clamp(58px, 6vw, 76px);
  line-height: 1.08;
}

.hero h1 span {
  color: transparent;
  background: linear-gradient(96deg, var(--green), var(--cyan) 58%, #d9ddff);
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-lead {
  max-width: 690px;
  margin-top: 26px;
  color: #c6cfdb;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.btn {
  position: relative;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 720;
  overflow: hidden;
  transition: transform 0.22s ease, filter 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}

.btn::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0 28%, rgba(255, 255, 255, 0.38) 48%, transparent 66%);
  transform: translateX(-110%);
  transition: transform 0.55s ease;
}

.btn:hover::before,
.btn:focus-visible::before {
  transform: translateX(110%);
}

.btn i {
  position: relative;
  font-style: normal;
  transition: transform 0.22s ease;
}

.btn:hover i,
.btn:focus-visible i {
  transform: translateX(3px);
}

.btn-primary {
  color: #06110d;
  background: linear-gradient(135deg, var(--green), #c3ffe0);
  box-shadow: 0 18px 42px rgba(101, 245, 181, 0.18);
}

.btn-secondary {
  color: var(--text);
  border-color: rgba(167, 176, 192, 0.2);
  background: rgba(255, 255, 255, 0.045);
}

.btn:hover,
.btn:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.05);
  outline: 0;
}

.btn:active {
  transform: translateY(0);
  filter: brightness(0.96);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 44px;
}

.hero-metrics div {
  min-height: 94px;
  padding: 18px 16px;
  border: 1px solid rgba(167, 176, 192, 0.13);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.062), rgba(255, 255, 255, 0.018));
}

.hero-metrics strong {
  display: block;
  color: var(--text);
  font-size: 26px;
  line-height: 1.1;
}

.hero-metrics span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.35;
}

.hero-scene {
  position: relative;
  min-height: 580px;
  aspect-ratio: 1;
}

#ecosystem-scene {
  width: 100%;
  height: 100%;
  display: block;
}

.scene-caption {
  position: absolute;
  right: 7%;
  bottom: 8%;
  min-width: 166px;
  padding: 14px 16px;
  border: 1px solid rgba(167, 176, 192, 0.15);
  border-radius: 16px;
  background: rgba(5, 7, 13, 0.58);
  backdrop-filter: blur(14px);
}

.scene-caption span {
  display: block;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.scene-caption strong {
  display: block;
  margin-top: 5px;
  font-size: 18px;
}

.scroll-hint {
  position: absolute;
  left: max(24px, calc((100vw - var(--max)) / 2));
  bottom: 28px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.scroll-hint span {
  width: 58px;
  height: 1px;
  background: linear-gradient(90deg, var(--green), transparent);
}

.signal-strip {
  overflow: hidden;
  border-block: 1px solid rgba(167, 176, 192, 0.12);
  background: rgba(11, 16, 32, 0.54);
}

.signal-track {
  width: max-content;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 0;
  animation: ticker 32s linear infinite;
}

.signal-track span {
  color: #c4ccd8;
  font-size: 12px;
  letter-spacing: 0.2em;
}

.signal-track i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--green);
}

.section {
  padding: 116px 0;
}

.section-head {
  max-width: 790px;
  margin-bottom: 52px;
}

.section-head h2 {
  margin-top: 14px;
  font-size: clamp(42px, 4.6vw, 56px);
  line-height: 1.16;
}

.section-head p:not(.kicker) {
  margin-top: 18px;
  max-width: 720px;
}

.position-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.2fr 0.92fr;
  gap: 18px;
  align-items: stretch;
}

.position-card,
.metric,
.engine-card,
.token-map article,
.market-panel,
.payment-card,
.timeline-item,
.layer-detail {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.018)),
    var(--panel);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.position-card:hover,
.metric:hover,
.engine-card:hover,
.token-map article:hover,
.payment-card:hover,
.timeline-item:hover {
  transform: translateY(-5px);
  border-color: rgba(101, 245, 181, 0.26);
  background:
    linear-gradient(150deg, rgba(101, 245, 181, 0.07), rgba(255, 255, 255, 0.02)),
    var(--panel);
}

.position-card {
  min-height: 300px;
  padding: 28px;
}

.position-card.large {
  min-height: 360px;
  padding: 34px;
  background:
    linear-gradient(140deg, rgba(101, 245, 181, 0.12), rgba(67, 215, 255, 0.04) 44%, rgba(255, 255, 255, 0.02)),
    var(--panel-strong);
}

.position-card span,
.metric span,
.engine-card b,
.token-map span,
.payment-card span,
.timeline-item span {
  color: var(--green);
  font-size: 12px;
  font-weight: 730;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.position-card h3,
.engine-card h3,
.token-map h3,
.payment-card h3,
.timeline-item h3,
.layer-detail h3 {
  margin: 54px 0 14px;
  color: var(--text);
  font-size: 26px;
  line-height: 1.25;
}

.position-card.large h3 {
  margin-top: 92px;
  font-size: 34px;
}

.metrics-board {
  display: grid;
  grid-template-columns: 1.25fr repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.metric {
  min-height: 218px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.metric-main {
  grid-row: span 2;
  min-height: 454px;
  flex-direction: row;
  align-items: flex-end;
  gap: 28px;
  background:
    linear-gradient(150deg, rgba(101, 245, 181, 0.12), rgba(118, 107, 255, 0.05) 46%, rgba(255, 255, 255, 0.018)),
    var(--panel-strong);
}

.metric strong {
  display: block;
  margin-top: 18px;
  color: var(--text);
  font-size: clamp(34px, 4vw, 58px);
  line-height: 1.02;
}

.metric p {
  margin-top: 14px;
  font-size: 14px;
}

.metric-line {
  grid-column: span 2;
  min-height: 178px;
}

.burn-ring {
  position: relative;
  width: 156px;
  height: 156px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
}

.burn-ring svg {
  position: absolute;
  inset: 0;
  transform: rotate(-90deg);
}

.burn-ring circle {
  fill: none;
  stroke: rgba(167, 176, 192, 0.12);
  stroke-width: 8;
}

.burn-ring .ring-progress {
  stroke: var(--green);
  stroke-dasharray: 345.6;
  stroke-dashoffset: 154.1;
  stroke-linecap: round;
}

.burn-ring b {
  color: var(--text);
  font-size: 26px;
}

.architecture-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(340px, 0.92fr);
  align-items: center;
  gap: 52px;
}

.energy-tower {
  min-height: 510px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 10px;
  perspective: 900px;
}

.tower-layer {
  width: min(100%, 760px);
  min-height: 92px;
  display: grid;
  grid-template-columns: 140px 1fr;
  align-items: center;
  gap: 18px;
  padding: 0 32px;
  border: 1px solid rgba(167, 176, 192, 0.16);
  color: var(--text);
  background:
    linear-gradient(100deg, rgba(101, 245, 181, 0.12), rgba(118, 107, 255, 0.045)),
    rgba(9, 14, 27, 0.86);
  clip-path: polygon(7% 0, 93% 0, 100% 100%, 0 100%);
  cursor: pointer;
  transform: rotateX(6deg);
  transition: width 0.22s ease, border-color 0.22s ease, background 0.22s ease, transform 0.22s ease;
}

.tower-layer:nth-child(1) { width: 56%; }
.tower-layer:nth-child(2) { width: 70%; }
.tower-layer:nth-child(3) { width: 84%; }
.tower-layer:nth-child(4) { width: 98%; }

.tower-layer span {
  color: var(--green);
  font-size: 12px;
  letter-spacing: 0.15em;
}

.tower-layer strong {
  font-size: 22px;
  text-align: right;
}

.tower-layer:hover,
.tower-layer:focus-visible,
.tower-layer.active {
  border-color: rgba(101, 245, 181, 0.42);
  background:
    linear-gradient(100deg, rgba(101, 245, 181, 0.22), rgba(67, 215, 255, 0.08)),
    rgba(9, 14, 27, 0.94);
  outline: 0;
  transform: rotateX(4deg) translateY(-3px);
}

.layer-detail {
  padding: 34px;
}

.layer-detail h3 {
  margin-top: 64px;
  font-size: 36px;
}

.value-route {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 38px;
  color: var(--muted);
  font-size: 12px;
}

.value-route i {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--green), transparent);
}

.engine-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.engine-card {
  min-height: 300px;
  padding: 26px;
}

.engine-card h3 {
  margin-top: 82px;
}

.token-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.token-map article {
  position: relative;
  min-height: 340px;
  padding: 30px;
  overflow: hidden;
}

.token-map article::after {
  content: "";
  position: absolute;
  inset: auto 28px 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--green), var(--cyan), transparent);
}

.token-map h3 {
  margin-top: 78px;
  font-size: 48px;
}

.product-split,
.identity-layout,
.flywheel-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  align-items: center;
  gap: 64px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.tag-list span {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(167, 176, 192, 0.16);
  border-radius: 999px;
  color: var(--soft);
  background: rgba(255, 255, 255, 0.036);
  font-size: 12px;
}

.market-panel {
  padding: 28px;
  background:
    linear-gradient(145deg, rgba(67, 215, 255, 0.08), rgba(101, 245, 181, 0.08) 42%, rgba(255, 255, 255, 0.02)),
    rgba(8, 13, 26, 0.9);
  box-shadow: var(--shadow);
}

.panel-top {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-size: 11px;
  letter-spacing: 0.16em;
}

.panel-top b {
  color: var(--green);
}

.market-panel h3 {
  margin: 46px 0 30px;
  font-size: 30px;
  line-height: 1.36;
}

.market-choice {
  position: relative;
  min-height: 68px;
  margin-top: 12px;
  padding: 0 18px;
  display: grid;
  align-items: center;
  border: 1px solid rgba(167, 176, 192, 0.13);
  border-radius: 16px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
}

.market-choice div {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.market-choice span {
  font-size: 18px;
  font-weight: 730;
}

.market-choice b {
  font-size: 24px;
}

.market-choice i {
  position: absolute;
  inset: 0 auto 0 0;
  opacity: 0.2;
}

.market-choice.yes i {
  background: linear-gradient(90deg, var(--green), transparent);
}

.market-choice.no i {
  background: linear-gradient(90deg, var(--danger), transparent);
}

.market-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 28px 0 0;
}

.market-stats div {
  padding: 15px;
  border: 1px solid rgba(167, 176, 192, 0.12);
  border-radius: 14px;
  background: rgba(5, 7, 13, 0.42);
}

.market-stats dt,
.market-stats dd {
  margin: 0;
}

.market-stats dt {
  color: var(--muted);
  font-size: 11px;
}

.market-stats dd {
  margin-top: 8px;
  color: var(--text);
  font-size: 18px;
  font-weight: 730;
}

.identity-layout {
  grid-template-columns: minmax(420px, 0.95fr) minmax(0, 1.05fr);
}

.identity-visual {
  position: relative;
  min-height: 560px;
  display: grid;
  place-items: center;
}

.identity-visual::before,
.identity-visual::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(101, 245, 181, 0.22);
  border-radius: 50%;
  transform: rotateX(68deg);
}

.identity-visual::before {
  width: 78%;
  height: 34%;
  animation: rotateOrbit 18s linear infinite;
}

.identity-visual::after {
  width: 58%;
  height: 24%;
  animation: rotateOrbit 14s linear infinite reverse;
}

.chip-core {
  position: relative;
  z-index: 2;
  width: 210px;
  height: 210px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(101, 245, 181, 0.34);
  border-radius: 44px;
  background:
    linear-gradient(135deg, rgba(101, 245, 181, 0.24), rgba(118, 107, 255, 0.08)),
    rgba(10, 16, 31, 0.92);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 28px 80px rgba(0, 0, 0, 0.36);
  transform: rotateX(10deg) rotateZ(45deg);
}

.chip-core span,
.chip-core small {
  transform: rotateZ(-45deg);
}

.chip-core span {
  color: var(--text);
  font-size: 46px;
  font-weight: 800;
}

.chip-core small {
  position: absolute;
  bottom: 46px;
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.orbit-label {
  position: absolute;
  z-index: 3;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  border: 1px solid rgba(167, 176, 192, 0.16);
  border-radius: 999px;
  color: var(--soft);
  background: rgba(5, 7, 13, 0.68);
  backdrop-filter: blur(12px);
  font-size: 12px;
}

.o1 { left: 9%; top: 25%; }
.o2 { right: 14%; top: 18%; }
.o3 { right: 4%; top: 54%; }
.o4 { left: 18%; bottom: 18%; }
.o5 { right: 22%; bottom: 17%; }

.identity-copy h2 {
  margin: 14px 0 18px;
  font-size: clamp(42px, 4.5vw, 56px);
  line-height: 1.16;
}

.identity-steps {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 34px;
  padding: 18px;
  border: 1px solid rgba(167, 176, 192, 0.13);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.034);
  color: var(--soft);
  font-size: 13px;
}

.identity-steps i {
  flex: 1;
  min-width: 28px;
  height: 1px;
  background: linear-gradient(90deg, var(--green), transparent);
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.payment-card {
  min-height: 300px;
  padding: 28px;
}

.payment-card h3 {
  margin-top: 88px;
}

.flywheel-layout {
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 0.9fr);
}

.flywheel-visual {
  position: relative;
  width: min(100%, 540px);
  aspect-ratio: 1;
  margin-inline: auto;
  border: 1px solid rgba(167, 176, 192, 0.16);
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(101, 245, 181, 0.18), transparent 28%),
    rgba(255, 255, 255, 0.015);
  animation: slowSpin 40s linear infinite;
}

.flywheel-visual::before,
.flywheel-visual::after {
  content: "";
  position: absolute;
  border: 1px dashed rgba(101, 245, 181, 0.18);
  border-radius: 50%;
}

.flywheel-visual::before { inset: 14%; }
.flywheel-visual::after { inset: 28%; }

.wheel-center {
  position: absolute;
  inset: 38%;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #07110d;
  background: linear-gradient(135deg, var(--green), #d6ffe9);
  font-size: 34px;
  font-weight: 850;
  animation: reverseSpin 40s linear infinite;
}

.flywheel-visual span {
  position: absolute;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  padding: 0 15px;
  border: 1px solid rgba(167, 176, 192, 0.15);
  border-radius: 999px;
  color: var(--soft);
  background: rgba(5, 7, 13, 0.76);
  font-size: 13px;
  animation: reverseSpin 40s linear infinite;
}

.w1 { top: -18px; left: 42%; }
.w2 { top: 28%; right: -22px; }
.w3 { right: 8%; bottom: 5%; }
.w4 { left: 8%; bottom: 5%; }
.w5 { top: 28%; left: -20px; }

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.timeline-item {
  position: relative;
  min-height: 320px;
  padding: 30px;
  overflow: hidden;
}

.timeline-item::after {
  content: "";
  position: absolute;
  right: 26px;
  bottom: 22px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid rgba(101, 245, 181, 0.26);
  background: rgba(101, 245, 181, 0.06);
}

.timeline-item h3 {
  margin-top: 86px;
}

.site-footer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
  padding: 38px 0 48px;
  border-top: 1px solid rgba(167, 176, 192, 0.13);
}

.site-footer p {
  max-width: 720px;
  justify-self: center;
  color: #818b9b;
  font-size: 12px;
  line-height: 1.7;
  text-align: center;
}

.site-footer > span {
  color: #818b9b;
  font-size: 12px;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.72s ease, transform 0.72s cubic-bezier(0.2, 0.78, 0.2, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes ticker {
  to { transform: translateX(-50%); }
}

@keyframes rotateOrbit {
  to { transform: rotateX(68deg) rotateZ(360deg); }
}

@keyframes slowSpin {
  to { transform: rotate(360deg); }
}

@keyframes reverseSpin {
  to { transform: rotate(-360deg); }
}

@media (max-width: 1180px) {
  .site-nav {
    gap: 3px;
  }

  .site-nav a {
    padding-inline: 10px;
  }

  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.82fr);
  }

  .hero h1 {
    font-size: 58px;
  }

  .engine-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 920px) {
  .site-header {
    min-height: 68px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 78px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 8px;
    padding: 18px;
    border-radius: 24px;
    background: rgba(5, 7, 13, 0.94);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.22s ease, transform 0.22s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: none;
  }

  .site-nav a {
    min-height: 48px;
    justify-content: center;
    font-size: 16px;
  }

  .hero {
    min-height: auto;
    padding-top: 118px;
  }

  .hero-inner,
  .architecture-layout,
  .product-split,
  .identity-layout,
  .flywheel-layout {
    grid-template-columns: 1fr;
  }

  .hero-scene {
    min-height: 430px;
    width: min(100%, 560px);
    margin-inline: auto;
  }

  .hero-metrics,
  .metrics-board,
  .position-grid,
  .token-map,
  .payment-grid,
  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric-main,
  .metric-line {
    grid-column: span 2;
  }

  .metric-main {
    min-height: 320px;
  }

  .identity-layout {
    gap: 20px;
  }

  .identity-visual {
    min-height: 470px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    justify-items: center;
  }
}

@media (max-width: 620px) {
  .section,
  .hero-inner,
  .site-footer {
    width: min(calc(100% - 30px), var(--max));
  }

  .site-header {
    top: 10px;
    width: calc(100% - 24px);
    border-radius: 20px;
    background: rgba(5, 7, 13, 0.72);
    border-color: rgba(167, 176, 192, 0.12);
    backdrop-filter: blur(16px);
  }

  .brand img {
    width: 40px;
    height: 40px;
  }

  .brand small {
    letter-spacing: 0.16em;
  }

  .hero {
    padding: 98px 0 44px;
  }

  .hero h1 {
    font-size: clamp(38px, 11vw, 46px);
    line-height: 1.12;
  }

  .hero-lead,
  p {
    font-size: 15px;
  }

  .hero-lead {
    margin-top: 20px;
  }

  .hero-actions {
    display: grid;
    gap: 10px;
    margin-top: 24px;
  }

  .btn {
    width: 100%;
    min-height: 50px;
  }

  .hero-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-top: 28px;
  }

  .hero-metrics div {
    min-height: 86px;
    padding: 15px;
  }

  .hero-metrics strong {
    font-size: 22px;
  }

  .hero-scene {
    min-height: 260px;
    aspect-ratio: 1.18;
    margin-top: 10px;
  }

  .scene-caption {
    right: 0;
    bottom: 0;
    min-width: 142px;
    padding: 11px 12px;
  }

  .scene-caption strong {
    font-size: 16px;
  }

  .scroll-hint {
    display: none;
  }

  .section {
    padding: 72px 0;
  }

  .section-head {
    margin-bottom: 34px;
  }

  .section-head h2,
  .identity-copy h2 {
    font-size: clamp(29px, 8.4vw, 34px);
    line-height: 1.22;
  }

  .position-grid,
  .metrics-board,
  .engine-grid,
  .token-map,
  .payment-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .metric-main,
  .metric-line {
    grid-column: auto;
  }

  .metric-main {
    min-height: 320px;
    flex-direction: column;
    align-items: flex-start;
  }

  .metric {
    min-height: 176px;
    padding: 22px;
  }

  .metric strong {
    font-size: 34px;
  }

  .burn-ring {
    width: 132px;
    height: 132px;
  }

  .position-card,
  .position-card.large,
  .engine-card,
  .token-map article,
  .payment-card,
  .timeline-item {
    min-height: 230px;
    padding: 24px;
  }

  .position-card h3,
  .position-card.large h3,
  .engine-card h3,
  .token-map h3,
  .payment-card h3,
  .timeline-item h3 {
    margin-top: 54px;
    font-size: 24px;
  }

  .token-map h3 {
    font-size: 38px;
  }

  .energy-tower {
    min-height: 0;
    align-items: stretch;
    gap: 12px;
    padding-left: 10px;
    border-left: 1px solid rgba(101, 245, 181, 0.2);
  }

  .tower-layer,
  .tower-layer:nth-child(n) {
    width: 100%;
    min-height: 74px;
    grid-template-columns: 82px 1fr;
    padding-inline: 16px;
    border-radius: 18px;
    clip-path: none;
    transform: none;
  }

  .tower-layer strong {
    font-size: 15px;
    text-align: left;
  }

  .tower-layer span {
    font-size: 11px;
  }

  .tower-layer:hover,
  .tower-layer:focus-visible,
  .tower-layer.active {
    transform: none;
  }

  .layer-detail {
    padding: 24px;
  }

  .layer-detail h3 {
    margin-top: 38px;
    font-size: 28px;
  }

  .value-route,
  .identity-steps {
    display: grid;
    gap: 12px;
  }

  .value-route i,
  .identity-steps i {
    width: 1px;
    height: 22px;
    margin-left: 8px;
    flex: none;
    background: linear-gradient(180deg, var(--green), transparent);
  }

  .market-panel {
    padding: 22px;
  }

  .market-panel h3 {
    margin: 34px 0 24px;
    font-size: 22px;
  }

  .market-stats {
    grid-template-columns: 1fr;
  }

  .identity-visual {
    min-height: 320px;
  }

  .chip-core {
    width: 156px;
    height: 156px;
    border-radius: 34px;
  }

  .chip-core span {
    font-size: 34px;
  }

  .chip-core small {
    bottom: 34px;
    font-size: 8px;
  }

  .orbit-label {
    font-size: 11px;
    min-height: 32px;
    padding-inline: 10px;
  }

  .o1 { left: 0; top: 22%; }
  .o2 { right: 2%; top: 17%; }
  .o3 { right: 0; top: 58%; }
  .o4 { left: 6%; bottom: 15%; }
  .o5 { right: 12%; bottom: 10%; }

  .flywheel-visual {
    width: min(calc(100% - 18px), 340px);
  }

  .wheel-center {
    font-size: 24px;
  }

  .flywheel-visual span {
    min-height: 34px;
    padding-inline: 9px;
    font-size: 10px;
  }

  .w1 { top: -11px; left: 39%; }
  .w2 { top: 27%; right: 2px; }
  .w3 { right: 7%; bottom: 5%; }
  .w4 { left: 7%; bottom: 5%; }
  .w5 { top: 27%; left: 2px; }
}

@media (max-width: 390px) {
  .site-header {
    width: calc(100% - 18px);
    padding-inline: 12px;
  }

  .brand {
    gap: 9px;
  }

  .brand strong {
    font-size: 14px;
  }

  .brand small {
    font-size: 8px;
  }

  .hero h1 {
    font-size: 37px;
  }

  .hero-metrics div {
    min-height: 82px;
    padding: 13px 12px;
  }

  .hero-metrics strong {
    font-size: 20px;
  }

  .hero-metrics span {
    font-size: 11px;
  }

  .hero-scene {
    min-height: 238px;
  }

  .tower-layer,
  .tower-layer:nth-child(n) {
    grid-template-columns: 76px 1fr;
    padding-inline: 14px;
  }

  .tower-layer strong {
    font-size: 14px;
  }

  .flywheel-visual {
    width: min(calc(100% - 26px), 320px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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