:root {
  --ink: #07162f;
  --ink-2: #132541;
  --muted: #61718a;
  --line: rgba(7, 22, 47, 0.13);
  --paper: #f5f7fb;
  --white: #ffffff;
  --blue: #1454ff;
  --blue-2: #0878ff;
  --cyan: #05d5f4;
  --violet: #7357ff;
  --lime: #d8ff63;
  --coral: #ff745c;
  --shadow: 0 24px 70px rgba(14, 34, 76, 0.12);
  --radius-sm: 14px;
  --radius: 24px;
  --radius-lg: 36px;
  --page: min(1240px, calc(100vw - 48px));
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html {
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

img,
svg {
  display: block;
}

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

button,
select {
  color: inherit;
  font: inherit;
}

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

button:focus-visible,
a:focus-visible,
summary:focus-visible,
select:focus-visible {
  outline: 3px solid rgba(20, 84, 255, 0.38);
  outline-offset: 3px;
}

::selection {
  background: var(--blue);
  color: var(--white);
}

.sr-only {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.skip-link {
  background: var(--ink);
  border-radius: 8px;
  color: white;
  left: 16px;
  padding: 10px 14px;
  position: fixed;
  top: -80px;
  transition: top 0.2s ease;
  z-index: 1000;
}

.skip-link:focus {
  top: 16px;
}

.section {
  margin-inline: auto;
  width: var(--page);
}

.site-header {
  left: 0;
  padding: 14px 0;
  position: fixed;
  right: 0;
  top: 0;
  transition: background 0.25s ease, box-shadow 0.25s ease, padding 0.25s ease;
  z-index: 100;
}

.site-header.is-scrolled {
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  background: rgba(245, 247, 251, 0.86);
  box-shadow: 0 1px 0 rgba(7, 22, 47, 0.08);
  padding: 8px 0;
}

.nav-shell {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: space-between;
  margin: 0 auto;
  min-height: 54px;
  width: var(--page);
}

.brand {
  flex: 0 0 auto;
  width: 146px;
}

.brand img {
  height: auto;
  width: 100%;
}

.desktop-nav {
  align-items: center;
  display: flex;
  gap: clamp(18px, 2vw, 32px);
  margin-left: auto;
}

.desktop-nav a {
  color: #3d4b61;
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.01em;
  position: relative;
}

.desktop-nav a::after {
  background: var(--blue);
  bottom: -8px;
  content: "";
  height: 2px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.25s var(--ease);
  width: 100%;
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-actions {
  align-items: center;
  display: flex;
  gap: 10px;
}

.language-control {
  align-items: center;
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid var(--line);
  border-radius: 999px;
  display: flex;
  gap: 4px;
  height: 40px;
  padding: 0 8px 0 11px;
}

.language-control > span[aria-hidden] {
  color: var(--blue);
  font-size: 0.95rem;
  font-weight: 900;
}

.language-control select {
  appearance: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 850;
  height: 100%;
  letter-spacing: 0.04em;
  padding: 0 6px;
}

.nav-download {
  align-items: center;
  background: var(--ink);
  border-radius: 999px;
  color: var(--white);
  display: flex;
  font-size: 0.77rem;
  font-weight: 800;
  gap: 8px;
  height: 40px;
  padding: 0 16px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.nav-download:hover {
  background: var(--blue);
  transform: translateY(-2px);
}

.nav-download svg {
  fill: none;
  height: 16px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
  width: 16px;
}

.menu-button {
  align-items: center;
  background: var(--ink);
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  flex-direction: column;
  gap: 5px;
  height: 40px;
  justify-content: center;
  padding: 0;
  width: 40px;
}

.menu-button span:not(.sr-only) {
  background: white;
  display: block;
  height: 1.5px;
  transition: transform 0.25s ease;
  width: 16px;
}

.menu-button[aria-expanded="true"] span:first-child {
  transform: translateY(3.25px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-child(2) {
  transform: translateY(-3.25px) rotate(-45deg);
}

.mobile-menu {
  background: rgba(245, 247, 251, 0.98);
  bottom: 0;
  left: 0;
  padding: 110px 24px 28px;
  position: fixed;
  right: 0;
  top: 0;
  z-index: -1;
}

.mobile-menu nav {
  border-top: 1px solid var(--line);
  display: grid;
}

.mobile-menu a {
  border-bottom: 1px solid var(--line);
  font-size: clamp(1.35rem, 6vw, 2rem);
  font-weight: 760;
  padding: 15px 4px;
}

/* Hero */
.hero {
  display: grid;
  gap: 34px 44px;
  grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
  min-height: 920px;
  overflow: clip;
  padding-bottom: 46px;
  padding-top: 168px;
  position: relative;
}

.hero-noise {
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.07'/%3E%3C/svg%3E");
  inset: 0;
  opacity: 0.17;
  pointer-events: none;
  position: absolute;
}

.orb {
  border-radius: 50%;
  filter: blur(2px);
  pointer-events: none;
  position: absolute;
}

.orb-one {
  background: rgba(5, 213, 244, 0.12);
  height: 520px;
  right: -230px;
  top: 50px;
  width: 520px;
}

.orb-two {
  background: rgba(20, 84, 255, 0.08);
  height: 400px;
  left: -250px;
  top: 420px;
  width: 400px;
}

.hero-copy {
  align-self: center;
  padding-bottom: 42px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  align-items: center;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #40506a;
  display: inline-flex;
  font-size: 0.72rem;
  font-weight: 850;
  gap: 9px;
  letter-spacing: 0.08em;
  padding: 8px 12px;
  text-transform: uppercase;
}

.live-dot {
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(5, 213, 244, 0.13);
  height: 7px;
  width: 7px;
}

.hero h1 {
  font-size: clamp(3.3rem, 5.8vw, 6rem);
  font-weight: 790;
  letter-spacing: -0.065em;
  line-height: 0.95;
  margin: 28px 0 26px;
  max-width: 700px;
}

.hero h1 > span {
  display: block;
  white-space: pre-line;
}

.closing-card h2 {
  white-space: pre-line;
}

.gradient-text {
  background: linear-gradient(100deg, #174dff 3%, #039df3 52%, #03c9cc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-bottom: 0.08em;
}

.hero-lede {
  color: #52627b;
  font-size: clamp(1.04rem, 1.5vw, 1.22rem);
  line-height: 1.65;
  margin: 0;
  max-width: 630px;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 30px;
}

.button {
  align-items: center;
  border: 1px solid transparent;
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.86rem;
  font-weight: 820;
  gap: 18px;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  transition: transform 0.22s var(--ease), box-shadow 0.22s ease, background 0.22s ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  background: var(--blue);
  box-shadow: 0 14px 30px rgba(20, 84, 255, 0.23);
  color: white;
}

.button-primary:hover {
  box-shadow: 0 18px 38px rgba(20, 84, 255, 0.32);
}

.button-arrow {
  font-size: 1.2rem;
}

.button-secondary {
  background: rgba(255, 255, 255, 0.74);
  border-color: var(--line);
}

.button-secondary:hover {
  background: white;
}

.hero-principles {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 22px;
}

.hero-principles > span {
  align-items: center;
  color: #4e5d74;
  display: flex;
  font-size: 0.74rem;
  gap: 8px;
}

.hero-principles b {
  font-weight: 720;
}

.principle-icon {
  border: 1px solid #9fb2cf;
  border-radius: 50%;
  display: block;
  height: 20px;
  position: relative;
  width: 20px;
}

.principle-icon::after,
.principle-icon::before {
  content: "";
  position: absolute;
}

.principle-icon.key::before {
  border: 1.5px solid var(--blue);
  border-radius: 50%;
  height: 4px;
  left: 4px;
  top: 4px;
  width: 4px;
}

.principle-icon.key::after {
  background: var(--blue);
  height: 1.5px;
  left: 8px;
  top: 9px;
  transform: rotate(45deg);
  width: 7px;
}

.principle-icon.check::after {
  border-bottom: 1.5px solid var(--blue);
  border-right: 1.5px solid var(--blue);
  height: 6px;
  left: 6px;
  top: 4px;
  transform: rotate(45deg);
  width: 3px;
}

.principle-icon.move::after {
  border-right: 1.5px solid var(--blue);
  border-top: 1.5px solid var(--blue);
  height: 4px;
  right: 4px;
  top: 4px;
  width: 4px;
}

.principle-icon.move::before {
  background: var(--blue);
  height: 1.5px;
  left: 4px;
  top: 9px;
  transform: rotate(-45deg);
  width: 10px;
}

.hero-lab {
  align-self: center;
  background: #07162f;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: 0 34px 90px rgba(6, 29, 67, 0.22);
  color: white;
  min-height: 578px;
  overflow: hidden;
  position: relative;
  z-index: 2;
}

.lab-topbar {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  min-height: 86px;
  padding: 0 28px;
}

.lab-topbar > div:first-child {
  display: grid;
  gap: 3px;
}

.lab-label {
  color: #72dff4;
  font-size: 0.64rem;
  font-weight: 850;
  letter-spacing: 0.13em;
}

.lab-topbar strong {
  font-size: 0.95rem;
  font-weight: 720;
}

.lab-status {
  align-items: center;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 999px;
  display: flex;
  font-size: 0.65rem;
  gap: 7px;
  padding: 6px 10px;
}

.lab-status span {
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(216, 255, 99, 0.8);
  height: 6px;
  width: 6px;
}

.lab-status b {
  font-weight: 720;
}

.data-stage {
  height: 403px;
  overflow: hidden;
  position: relative;
}

.stage-grid,
.visual-grid {
  background-image: linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 32px 32px;
  inset: 0;
  -webkit-mask-image: radial-gradient(circle at center, black, transparent 78%);
  mask-image: radial-gradient(circle at center, black, transparent 78%);
  position: absolute;
}

.data-packet {
  background: linear-gradient(145deg, #2de3ef, #1454ff 64%, #1731a4);
  border-radius: 18px;
  box-shadow: 0 20px 45px rgba(20, 84, 255, 0.4);
  height: 112px;
  left: calc(50% - 61px);
  position: absolute;
  top: 96px;
  transform: rotate(-7deg);
  transition: opacity 0.55s ease, transform 0.7s var(--ease);
  width: 122px;
  z-index: 5;
}

.data-packet::before {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  content: "";
  inset: 11px;
  position: absolute;
}

.packet-fold {
  border-bottom: 23px solid transparent;
  border-left: 23px solid rgba(255, 255, 255, 0.82);
  position: absolute;
  right: 0;
  top: 0;
}

.data-packet span {
  color: rgba(255, 255, 255, 0.68);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem;
  left: 26px;
  position: absolute;
  top: 32px;
}

.data-packet span:nth-of-type(2) {
  left: 55px;
  top: 53px;
}

.data-packet span:nth-of-type(3) {
  left: 34px;
  top: 75px;
}

.shield-ring {
  border: 1px solid rgba(5, 213, 244, 0.24);
  border-radius: 50%;
  left: 50%;
  position: absolute;
  top: 151px;
  transform: translate(-50%, -50%);
}

.ring-one {
  animation: ringPulse 2.8s ease-out infinite;
  height: 184px;
  width: 184px;
}

.ring-two {
  animation: ringPulse 2.8s 1.4s ease-out infinite;
  height: 260px;
  width: 260px;
}

@keyframes ringPulse {
  0% { opacity: 0; transform: translate(-50%, -50%) scale(0.65); }
  28% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, -50%) scale(1.08); }
}

.network-node {
  align-items: center;
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  flex-direction: column;
  font-size: 0.55rem;
  gap: 5px;
  opacity: 0.38;
  position: absolute;
  transition: opacity 0.45s ease, transform 0.55s var(--ease);
}

.network-node i {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  display: block;
  height: 45px;
  position: relative;
  width: 45px;
}

.network-node i::after {
  background: rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  bottom: 8px;
  content: "";
  height: 4px;
  left: 9px;
  box-shadow: 8px 0 rgba(255, 255, 255, 0.15);
  position: absolute;
  width: 4px;
}

.network-node small {
  font-size: inherit;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.node-a { left: 11%; top: 65px; }
.node-b { right: 11%; top: 65px; }
.node-c { bottom: 99px; left: 13%; }
.node-d { bottom: 99px; right: 13%; }

.packet-shard {
  align-items: center;
  background: linear-gradient(145deg, #20e2ee, #1454ff);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 9px;
  box-shadow: 0 12px 30px rgba(20, 84, 255, 0.24);
  display: flex;
  font-size: 0.6rem;
  font-weight: 900;
  height: 44px;
  justify-content: center;
  left: calc(50% - 22px);
  opacity: 0;
  position: absolute;
  top: 125px;
  transform: scale(0.4);
  transition: all 0.7s var(--ease);
  width: 44px;
  z-index: 6;
}

.proof-badge {
  align-items: center;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 0 14px rgba(216, 255, 99, 0.12), 0 18px 45px rgba(216, 255, 99, 0.15);
  display: flex;
  height: 88px;
  justify-content: center;
  left: calc(50% - 44px);
  opacity: 0;
  position: absolute;
  top: 98px;
  transform: scale(0.6);
  transition: opacity 0.4s ease, transform 0.55s var(--ease);
  width: 88px;
  z-index: 8;
}

.proof-badge svg {
  fill: none;
  height: 42px;
  stroke: var(--ink);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
  width: 42px;
}

.recovery-beam {
  background: linear-gradient(90deg, transparent, rgba(5, 213, 244, 0.7), transparent);
  height: 2px;
  left: 14%;
  opacity: 0;
  position: absolute;
  right: 14%;
  top: 153px;
  transform: scaleX(0);
  transition: opacity 0.35s ease, transform 0.7s ease;
  z-index: 4;
}

.data-stage[data-active-step="1"] .data-packet,
.data-stage[data-active-step="2"] .data-packet,
.data-stage[data-active-step="3"] .data-packet,
.data-stage[data-active-step="4"] .data-packet {
  opacity: 0;
  transform: rotate(-7deg) scale(0.5);
}

.data-stage[data-active-step="1"] .packet-shard {
  opacity: 1;
  transform: scale(1);
}

.data-stage[data-active-step="1"] .shard-a { transform: translate(-55px, -38px) rotate(-8deg); }
.data-stage[data-active-step="1"] .shard-b { transform: translate(55px, -38px) rotate(7deg); }
.data-stage[data-active-step="1"] .shard-c { transform: translate(-55px, 46px) rotate(5deg); }
.data-stage[data-active-step="1"] .shard-d { transform: translate(55px, 46px) rotate(-6deg); }

.data-stage[data-active-step="2"] .packet-shard,
.data-stage[data-active-step="3"] .packet-shard,
.data-stage[data-active-step="4"] .packet-shard {
  opacity: 1;
  transform: scale(0.76);
}

.data-stage[data-active-step="2"] .network-node,
.data-stage[data-active-step="3"] .network-node,
.data-stage[data-active-step="4"] .network-node {
  opacity: 1;
  transform: translateY(-2px);
}

.data-stage[data-active-step="2"] .network-node i,
.data-stage[data-active-step="3"] .network-node i,
.data-stage[data-active-step="4"] .network-node i {
  border-color: rgba(5, 213, 244, 0.55);
  box-shadow: 0 0 25px rgba(5, 213, 244, 0.12);
}

.data-stage[data-active-step="2"] .shard-a,
.data-stage[data-active-step="3"] .shard-a,
.data-stage[data-active-step="4"] .shard-a { left: calc(11% + 1px); top: 66px; }
.data-stage[data-active-step="2"] .shard-b,
.data-stage[data-active-step="3"] .shard-b,
.data-stage[data-active-step="4"] .shard-b { left: auto; right: calc(11% + 1px); top: 66px; }
.data-stage[data-active-step="2"] .shard-c,
.data-stage[data-active-step="3"] .shard-c,
.data-stage[data-active-step="4"] .shard-c { bottom: 116px; left: calc(13% + 1px); top: auto; }
.data-stage[data-active-step="2"] .shard-d,
.data-stage[data-active-step="3"] .shard-d,
.data-stage[data-active-step="4"] .shard-d { bottom: 116px; left: auto; right: calc(13% + 1px); top: auto; }

.data-stage[data-active-step="3"] .proof-badge {
  opacity: 1;
  transform: scale(1);
}

.data-stage[data-active-step="4"] .recovery-beam {
  animation: beamFlow 1.2s linear infinite;
  opacity: 1;
  transform: scaleX(1);
}

.data-stage[data-active-step="4"] .data-packet {
  opacity: 1;
  transform: rotate(0deg) scale(0.62);
}

@keyframes beamFlow {
  0%, 100% { filter: brightness(0.8); }
  50% { filter: brightness(1.6); }
}

.stage-caption {
  align-items: flex-start;
  bottom: 18px;
  display: flex;
  gap: 14px;
  left: 28px;
  position: absolute;
  right: 28px;
  z-index: 10;
}

.stage-caption > span {
  color: #62d8f1;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  font-weight: 900;
  padding-top: 2px;
}

.stage-caption > div {
  min-width: 0;
}

.stage-caption strong {
  display: block;
  font-size: 0.88rem;
  font-weight: 730;
}

.stage-caption p {
  color: rgba(255, 255, 255, 0.57);
  font-size: 0.7rem;
  line-height: 1.5;
  margin: 3px 0 0;
}

.lab-controls {
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  gap: 18px;
  justify-content: space-between;
  min-height: 88px;
  padding: 0 28px;
}

.lab-progress {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  height: 3px;
  overflow: hidden;
  width: 43%;
}

.lab-progress span {
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  display: block;
  height: 100%;
  transition: width 0.65s var(--ease);
  width: 20%;
}

.lab-button {
  align-items: center;
  background: var(--lime);
  border: 0;
  border-radius: 999px;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  font-size: 0.72rem;
  font-weight: 850;
  gap: 9px;
  min-height: 42px;
  padding: 0 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.lab-button:hover {
  box-shadow: 0 10px 25px rgba(216, 255, 99, 0.18);
  transform: translateY(-2px);
}

.play-icon {
  font-size: 0.58rem;
}

.hero-metrics {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 0;
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, 1fr);
  padding-top: 28px;
  position: relative;
  z-index: 2;
}

.hero-metrics > div {
  border-left: 1px solid var(--line);
  display: grid;
  gap: 2px;
  padding: 0 30px;
}

.hero-metrics > div:first-child {
  border-left: 0;
  padding-left: 0;
}

.hero-metrics strong {
  font-size: clamp(1.65rem, 2.4vw, 2.5rem);
  font-weight: 780;
  letter-spacing: -0.05em;
}

.hero-metrics span {
  color: var(--muted);
  font-size: 0.7rem;
  font-weight: 650;
}

.marquee-band {
  background: var(--blue);
  color: white;
  overflow: hidden;
  transform: rotate(-1deg) scale(1.02);
}

.marquee-track {
  align-items: center;
  animation: marquee 28s linear infinite;
  display: flex;
  gap: 36px;
  min-height: 62px;
  white-space: nowrap;
  width: max-content;
}

.marquee-track span {
  font-size: 0.82rem;
  font-weight: 880;
  letter-spacing: 0.11em;
}

.marquee-track i {
  background: var(--lime);
  border-radius: 50%;
  height: 8px;
  width: 8px;
}

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

/* Shared headings */
.section-heading {
  max-width: 760px;
}

.section-kicker {
  color: var(--blue);
  font-size: 0.69rem;
  font-weight: 900;
  letter-spacing: 0.15em;
  margin: 0 0 18px;
}

.section-heading h2,
.token-heading h2,
.faq-heading h2 {
  font-size: clamp(2.5rem, 5vw, 4.85rem);
  font-weight: 770;
  letter-spacing: -0.058em;
  line-height: 1.02;
  margin: 0;
}

.section-heading > p:last-child {
  color: var(--muted);
  font-size: clamp(1rem, 1.4vw, 1.17rem);
  margin: 24px 0 0;
  max-width: 650px;
}

/* Why */
.problem-section {
  padding-bottom: 130px;
  padding-top: 160px;
}

.control-comparison {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 70px;
}

.comparison-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  min-height: 565px;
  overflow: hidden;
  padding: 30px;
  position: relative;
}

.old-world {
  background: #edf0f5;
}

.sovra-world {
  background: linear-gradient(145deg, #0a1d3c, #07142d);
  color: white;
}

.card-label {
  align-items: center;
  display: flex;
  font-size: 0.7rem;
  gap: 9px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.card-label span {
  align-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  display: flex;
  height: 22px;
  justify-content: center;
  width: 22px;
}

.old-world .card-label {
  color: #7a8596;
}

.sovra-world .card-label {
  color: var(--cyan);
}

.comparison-card h3 {
  bottom: 78px;
  font-size: clamp(1.6rem, 2.6vw, 2.5rem);
  font-weight: 740;
  left: 30px;
  letter-spacing: -0.04em;
  line-height: 1.08;
  margin: 0;
  max-width: 480px;
  position: absolute;
  right: 30px;
}

.comparison-card > p {
  bottom: 22px;
  color: var(--muted);
  font-size: 0.83rem;
  left: 30px;
  line-height: 1.55;
  margin: 0;
  max-width: 500px;
  position: absolute;
  right: 30px;
}

.sovra-world > p {
  color: rgba(255, 255, 255, 0.58);
}

.lock-stack {
  height: 250px;
  left: 50%;
  position: absolute;
  top: 82px;
  transform: translateX(-50%);
  width: min(78%, 390px);
}

.lock-stack > div {
  align-items: center;
  background: #dfe4eb;
  border: 1px solid rgba(7, 22, 47, 0.09);
  border-radius: 13px;
  box-shadow: 0 12px 25px rgba(7, 22, 47, 0.06);
  display: flex;
  height: 56px;
  justify-content: space-between;
  left: 50%;
  padding: 0 18px;
  position: absolute;
  transform: translateX(-50%);
  width: 100%;
}

.lock-stack > div:nth-child(1) { top: 0; width: 75%; }
.lock-stack > div:nth-child(2) { top: 42px; width: 84%; }
.lock-stack > div:nth-child(3) { top: 84px; width: 92%; }
.lock-stack > div:nth-child(4) { top: 126px; }

.lock-stack span {
  color: #687385;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.lock-stack i {
  background: #a8b0bc;
  border-radius: 3px;
  height: 10px;
  width: 10px;
}

.lock-stack > b {
  align-items: center;
  background: #737f90;
  border-radius: 14px;
  bottom: 5px;
  color: white;
  display: flex;
  font-size: 0.66rem;
  height: 54px;
  justify-content: center;
  left: 4%;
  letter-spacing: 0.16em;
  position: absolute;
  right: 4%;
}

.open-stack {
  height: 270px;
  left: 50%;
  position: absolute;
  top: 72px;
  transform: translateX(-50%);
  width: min(86%, 430px);
}

.mini-object {
  align-items: center;
  background: white;
  border-radius: 22px;
  box-shadow: 0 25px 55px rgba(0, 0, 0, 0.25), 0 0 0 10px rgba(20, 84, 255, 0.08);
  display: flex;
  height: 132px;
  justify-content: center;
  left: 50%;
  position: absolute;
  top: 56px;
  transform: translateX(-50%) rotate(-4deg);
  width: 132px;
  z-index: 2;
}

.mini-object img {
  height: 95px;
  object-fit: contain;
  width: 95px;
}

.open-item {
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 13px;
  color: rgba(255, 255, 255, 0.62);
  display: flex;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem;
  font-weight: 800;
  gap: 8px;
  letter-spacing: 0.1em;
  padding: 9px 11px;
  position: absolute;
}

.open-item i {
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(5, 213, 244, 0.5);
  height: 6px;
  width: 6px;
}

.item-key { left: 2%; top: 12px; }
.item-proof { right: 0; top: 25px; }
.item-path { bottom: 3px; left: 15%; }

.open-stack::before,
.open-stack::after {
  border: 1px solid rgba(5, 213, 244, 0.22);
  border-radius: 50%;
  content: "";
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
}

.open-stack::before { height: 220px; width: 220px; }
.open-stack::after { height: 300px; width: 300px; }

.pillar-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 18px;
}

.pillar-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 365px;
  padding: 24px;
  position: relative;
  transition: transform 0.3s var(--ease), box-shadow 0.3s ease;
}

.pillar-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-6px);
}

.pillar-number {
  color: #9ca8b8;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.66rem;
  font-weight: 900;
}

.pillar-card h3 {
  bottom: 74px;
  font-size: 1.2rem;
  font-weight: 760;
  left: 24px;
  letter-spacing: -0.03em;
  margin: 0;
  position: absolute;
  right: 24px;
}

.pillar-card p {
  bottom: 18px;
  color: var(--muted);
  font-size: 0.75rem;
  left: 24px;
  line-height: 1.5;
  margin: 0;
  position: absolute;
  right: 24px;
}

.pillar-glyph {
  height: 145px;
  left: 50%;
  position: absolute;
  top: 65px;
  transform: translateX(-50%);
  width: 80%;
}

.glyph-lock::before {
  background: linear-gradient(145deg, var(--cyan), var(--blue));
  border-radius: 18px;
  box-shadow: 0 20px 40px rgba(20, 84, 255, 0.23);
  content: "";
  height: 80px;
  left: calc(50% - 42px);
  position: absolute;
  top: 47px;
  width: 84px;
}

.glyph-lock::after {
  border: 7px solid var(--ink);
  border-bottom: 0;
  border-radius: 40px 40px 0 0;
  content: "";
  height: 50px;
  left: calc(50% - 29px);
  position: absolute;
  top: 9px;
  width: 44px;
}

.glyph-lock i {
  background: white;
  border-radius: 50%;
  height: 11px;
  left: calc(50% - 5px);
  position: absolute;
  top: 75px;
  width: 11px;
  z-index: 2;
}

.glyph-pulse {
  align-items: center;
  display: flex;
  gap: 10px;
  justify-content: center;
}

.glyph-pulse i {
  background: var(--blue);
  border-radius: 999px;
  display: block;
  height: 80px;
  width: 18px;
}

.glyph-pulse i:first-child { height: 42px; }
.glyph-pulse i:last-child { height: 112px; }

.glyph-pulse::after {
  border: 2px solid var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 0 12px rgba(5, 213, 244, 0.08);
  content: "";
  height: 72px;
  position: absolute;
  width: 72px;
}

.glyph-route i {
  background: var(--blue);
  border: 7px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 1px rgba(20, 84, 255, 0.25), 0 10px 25px rgba(20, 84, 255, 0.2);
  height: 34px;
  position: absolute;
  width: 34px;
  z-index: 2;
}

.glyph-route i:first-child { left: 8%; top: 52%; }
.glyph-route i:nth-child(2) { left: 43%; top: 12%; }
.glyph-route i:nth-child(3) { right: 5%; top: 64%; }

.glyph-route::before,
.glyph-route::after {
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  content: "";
  height: 2px;
  left: 20%;
  position: absolute;
  top: 51%;
  transform: rotate(-31deg);
  transform-origin: left;
  width: 38%;
}

.glyph-route::after {
  left: 55%;
  top: 37%;
  transform: rotate(39deg);
  width: 36%;
}

.glyph-globe::before {
  border: 2px solid var(--blue);
  border-radius: 50%;
  content: "";
  height: 112px;
  left: calc(50% - 58px);
  position: absolute;
  top: 15px;
  width: 112px;
}

.glyph-globe::after {
  border: 2px solid var(--cyan);
  border-bottom-color: transparent;
  border-radius: 50%;
  border-top-color: transparent;
  content: "";
  height: 112px;
  left: calc(50% - 26px);
  position: absolute;
  top: 15px;
  width: 48px;
}

.glyph-globe i {
  background: var(--blue);
  height: 2px;
  left: 18%;
  position: absolute;
  right: 18%;
  top: 70px;
}

/* Journey */
.journey-section {
  background: var(--ink);
  border-radius: 48px;
  color: white;
  padding: 120px 42px 50px;
  width: min(1360px, calc(100vw - 28px));
}

.journey-section .section-heading {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.section-heading-light .section-kicker {
  color: var(--cyan);
}

.section-heading-light > p:last-child {
  color: rgba(255, 255, 255, 0.58);
  margin-left: auto;
  margin-right: auto;
}

.journey-console {
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 30px;
  margin: 62px auto 0;
  max-width: 1160px;
  overflow: hidden;
}

.journey-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
}

.journey-tabs button {
  align-items: center;
  background: rgba(255, 255, 255, 0.025);
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.45);
  cursor: pointer;
  display: flex;
  gap: 10px;
  justify-content: center;
  min-height: 76px;
  padding: 8px;
  transition: background 0.25s ease, color 0.25s ease;
}

.journey-tabs button:last-child {
  border-right: 0;
}

.journey-tabs button[aria-selected="true"] {
  background: var(--blue);
  color: white;
}

.journey-tabs button span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.63rem;
}

.journey-tabs button b {
  font-size: 0.77rem;
}

.journey-panel {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  min-height: 520px;
}

.journey-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 52px;
}

.journey-index {
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.65rem;
  font-weight: 850;
  letter-spacing: 0.12em;
}

.journey-copy h3 {
  font-size: clamp(2rem, 3.3vw, 3.2rem);
  font-weight: 720;
  letter-spacing: -0.045em;
  line-height: 1.05;
  margin: 18px 0;
}

.journey-copy > p {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 0;
}

.journey-copy ul {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: grid;
  gap: 10px;
  list-style: none;
  margin: 28px 0 0;
  padding: 22px 0 0;
}

.journey-copy li {
  align-items: center;
  color: rgba(255, 255, 255, 0.76);
  display: flex;
  font-size: 0.73rem;
  gap: 9px;
}

.journey-copy li::before {
  background: var(--lime);
  border-radius: 50%;
  content: "";
  height: 5px;
  width: 5px;
}

.journey-visual {
  background: #0b1e3e;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  min-height: 520px;
  overflow: hidden;
  position: relative;
}

.visual-grid {
  opacity: 0.85;
}

.visual-device,
.visual-file,
.visual-key,
.visual-lock,
.visual-shards,
.visual-nodes,
.visual-proof,
.visual-recover {
  opacity: 0;
  position: absolute;
  transition: opacity 0.45s ease, transform 0.7s var(--ease);
}

.visual-device {
  background: #122b52;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 30px;
  bottom: 62px;
  height: 340px;
  left: 50%;
  transform: translateX(-50%) rotate(3deg) translateY(30px);
  width: 250px;
}

.visual-device::before {
  background: #061329;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 20px;
  content: "";
  inset: 18px;
  position: absolute;
}

.visual-device span {
  background: var(--cyan);
  border-radius: 999px;
  height: 5px;
  left: calc(50% - 23px);
  position: absolute;
  top: 30px;
  width: 46px;
  z-index: 2;
}

.visual-device i {
  border: 2px solid var(--blue);
  border-radius: 18px;
  bottom: 70px;
  height: 80px;
  left: calc(50% - 40px);
  position: absolute;
  width: 80px;
  z-index: 2;
}

.visual-device b {
  bottom: 38px;
  color: rgba(255, 255, 255, 0.36);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.6rem;
  left: 0;
  letter-spacing: 0.12em;
  position: absolute;
  right: 0;
  text-align: center;
  z-index: 2;
}

.visual-file {
  background: linear-gradient(145deg, #2ce3ee, var(--blue));
  border-radius: 18px;
  box-shadow: 0 25px 50px rgba(20, 84, 255, 0.25);
  height: 132px;
  left: calc(50% - 68px);
  top: 135px;
  transform: rotate(-7deg) scale(0.8);
  width: 136px;
}

.visual-file span {
  bottom: 18px;
  color: white;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.65rem;
  font-weight: 900;
  left: 20px;
  letter-spacing: 0.1em;
  position: absolute;
}

.visual-file i {
  background-image: linear-gradient(rgba(255, 255, 255, 0.2) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.2) 1px, transparent 1px);
  background-size: 12px 12px;
  inset: 15px;
  opacity: 0.4;
  position: absolute;
}

.visual-key {
  align-items: center;
  background: var(--lime);
  border-radius: 999px;
  color: var(--ink);
  display: flex;
  gap: 7px;
  left: calc(50% + 52px);
  padding: 9px 11px;
  top: 100px;
  transform: translateY(-12px);
}

.visual-key i {
  border: 2px solid var(--ink);
  border-radius: 50%;
  height: 9px;
  position: relative;
  width: 9px;
}

.visual-key i::after {
  background: var(--ink);
  content: "";
  height: 2px;
  left: 7px;
  position: absolute;
  top: 3px;
  width: 9px;
}

.visual-key span {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.55rem;
  font-weight: 900;
  margin-left: 6px;
}

.visual-lock {
  border: 2px solid rgba(5, 213, 244, 0.55);
  border-radius: 50%;
  height: 250px;
  left: calc(50% - 125px);
  top: 70px;
  transform: scale(0.7);
  width: 250px;
}

.visual-lock::before,
.visual-lock::after {
  border: 1px solid rgba(5, 213, 244, 0.24);
  border-radius: 50%;
  content: "";
  inset: -35px;
  position: absolute;
}

.visual-lock::after {
  inset: -70px;
}

.visual-shards {
  display: grid;
  gap: 15px;
  grid-template-columns: repeat(3, 74px);
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(0.75);
}

.visual-shards i {
  align-items: center;
  background: linear-gradient(145deg, var(--cyan), var(--blue));
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 15px;
  box-shadow: 0 18px 35px rgba(20, 84, 255, 0.2);
  display: flex;
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 900;
  height: 90px;
  justify-content: center;
}

.visual-shards i:nth-child(2),
.visual-shards i:nth-child(5) { transform: translateY(-12px); }

.visual-nodes {
  inset: 0;
}

.visual-nodes i {
  background: #122e58;
  border: 1px solid rgba(5, 213, 244, 0.55);
  border-radius: 18px;
  box-shadow: 0 0 30px rgba(5, 213, 244, 0.12);
  height: 86px;
  position: absolute;
  width: 86px;
}

.visual-nodes i::before,
.visual-nodes i::after {
  background: var(--cyan);
  border-radius: 50%;
  bottom: 14px;
  content: "";
  height: 5px;
  left: 15px;
  position: absolute;
  width: 5px;
}

.visual-nodes i::after {
  background: rgba(255, 255, 255, 0.2);
  left: 26px;
}

.visual-nodes i:nth-child(1) { left: 12%; top: 17%; }
.visual-nodes i:nth-child(2) { right: 12%; top: 17%; }
.visual-nodes i:nth-child(3) { bottom: 17%; left: 12%; }
.visual-nodes i:nth-child(4) { bottom: 17%; right: 12%; }

.visual-nodes::before,
.visual-nodes::after {
  border: 1px dashed rgba(5, 213, 244, 0.26);
  border-radius: 50%;
  content: "";
  height: 180px;
  left: calc(50% - 90px);
  position: absolute;
  top: calc(50% - 90px);
  width: 180px;
}

.visual-nodes::after {
  height: 300px;
  left: calc(50% - 150px);
  top: calc(50% - 150px);
  width: 300px;
}

.visual-proof {
  align-items: center;
  background: var(--lime);
  border-radius: 50%;
  color: var(--ink);
  display: flex;
  flex-direction: column;
  height: 175px;
  justify-content: center;
  left: calc(50% - 87px);
  top: calc(50% - 87px);
  transform: scale(0.7);
  width: 175px;
}

.visual-proof::before,
.visual-proof::after {
  border: 1px solid rgba(216, 255, 99, 0.25);
  border-radius: 50%;
  content: "";
  inset: -55px;
  position: absolute;
}

.visual-proof::after { inset: -110px; }

.visual-proof span {
  font-size: 3.5rem;
  line-height: 1;
}

.visual-proof b {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.15em;
}

.visual-recover {
  align-items: center;
  display: flex;
  gap: 15px;
  inset: 0;
  justify-content: center;
  transform: scale(0.75);
}

.visual-recover i {
  background: linear-gradient(145deg, var(--cyan), var(--blue));
  border-radius: 12px;
  height: 78px;
  width: 62px;
}

.visual-recover span {
  align-items: center;
  background: white;
  border-radius: 20px;
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.28);
  color: var(--blue);
  display: flex;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  font-weight: 900;
  height: 140px;
  justify-content: center;
  margin-left: 25px;
  width: 140px;
}

.journey-visual[data-journey-visual="0"] .visual-device,
.journey-visual[data-journey-visual="0"] .visual-file,
.journey-visual[data-journey-visual="0"] .visual-key,
.journey-visual[data-journey-visual="0"] .visual-lock,
.journey-visual[data-journey-visual="1"] .visual-shards,
.journey-visual[data-journey-visual="2"] .visual-nodes,
.journey-visual[data-journey-visual="3"] .visual-nodes,
.journey-visual[data-journey-visual="3"] .visual-proof,
.journey-visual[data-journey-visual="4"] .visual-recover {
  opacity: 1;
}

.journey-visual[data-journey-visual="0"] .visual-device { transform: translateX(-50%) rotate(3deg) translateY(0); }
.journey-visual[data-journey-visual="0"] .visual-file { transform: rotate(-7deg) scale(1); }
.journey-visual[data-journey-visual="0"] .visual-key { transform: translateY(0); }
.journey-visual[data-journey-visual="0"] .visual-lock { transform: scale(1); }
.journey-visual[data-journey-visual="1"] .visual-shards { transform: translate(-50%, -50%) scale(1); }
.journey-visual[data-journey-visual="3"] .visual-nodes { opacity: 0.35; }
.journey-visual[data-journey-visual="3"] .visual-proof { transform: scale(1); }
.journey-visual[data-journey-visual="4"] .visual-recover { transform: scale(1); }

.architecture-strip {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: grid;
  gap: 12px;
  grid-template-columns: 1.35fr repeat(3, 1fr);
  margin-top: 55px;
  padding: 42px 8px 8px;
}

.architecture-intro span {
  color: var(--cyan);
  font-size: 0.61rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.architecture-intro h3 {
  font-size: 1.35rem;
  font-weight: 680;
  letter-spacing: -0.035em;
  line-height: 1.18;
  margin: 10px 0 0;
  max-width: 300px;
}

.architecture-strip article {
  align-items: flex-start;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  display: flex;
  gap: 12px;
  padding: 20px;
}

.plane-dot {
  border-radius: 50%;
  flex: 0 0 auto;
  height: 10px;
  margin-top: 4px;
  width: 10px;
}

.plane-dot.cyan { background: var(--cyan); box-shadow: 0 0 12px rgba(5, 213, 244, 0.65); }
.plane-dot.blue { background: #3d7aff; box-shadow: 0 0 12px rgba(61, 122, 255, 0.65); }
.plane-dot.violet { background: #a184ff; box-shadow: 0 0 12px rgba(161, 132, 255, 0.65); }

.architecture-strip article b {
  display: block;
  font-size: 0.78rem;
}

.architecture-strip article p {
  color: rgba(255, 255, 255, 0.48);
  font-size: 0.69rem;
  line-height: 1.45;
  margin: 6px 0 0;
}

/* Use cases */
.use-section {
  padding-bottom: 150px;
  padding-top: 150px;
}

.use-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 65px;
}

.use-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  min-height: 570px;
  overflow: hidden;
  padding: 28px;
  position: relative;
}

.use-agent {
  background: var(--ink);
  color: white;
}

.use-web3 {
  background: #d9ff67;
}

.use-backup {
  background: #e7edff;
}

.use-edge {
  background: #dff8fb;
}

.use-topline {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.use-topline span,
.use-topline b {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.use-agent .use-topline span {
  color: var(--cyan);
}

.use-agent .use-topline b {
  color: rgba(255, 255, 255, 0.45);
}

.use-card h3 {
  bottom: 105px;
  font-size: clamp(1.9rem, 3.2vw, 3.2rem);
  font-weight: 740;
  left: 28px;
  letter-spacing: -0.05em;
  line-height: 1;
  margin: 0;
  position: absolute;
  right: 28px;
}

.use-card > p {
  bottom: 60px;
  color: #51617a;
  font-size: 0.78rem;
  left: 28px;
  line-height: 1.55;
  margin: 0;
  max-width: 500px;
  position: absolute;
  right: 28px;
}

.use-agent > p {
  color: rgba(255, 255, 255, 0.55);
}

.use-card > ul {
  bottom: 22px;
  display: flex;
  gap: 8px;
  left: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
  position: absolute;
  right: 28px;
}

.use-card > ul li {
  border: 1px solid rgba(7, 22, 47, 0.14);
  border-radius: 999px;
  font-size: 0.61rem;
  font-weight: 720;
  padding: 5px 9px;
}

.use-agent > ul li {
  border-color: rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.72);
}

.agent-visual,
.blocks-visual,
.backup-visual,
.edge-visual {
  height: 310px;
  left: 0;
  position: absolute;
  right: 0;
  top: 58px;
}

.agent-core {
  align-items: center;
  background: white;
  border-radius: 24px;
  box-shadow: 0 0 0 15px rgba(20, 84, 255, 0.08), 0 25px 55px rgba(0, 0, 0, 0.25);
  display: flex;
  height: 145px;
  justify-content: center;
  left: calc(50% - 72px);
  position: absolute;
  top: 70px;
  transform: rotate(-5deg);
  width: 145px;
  z-index: 2;
}

.agent-core img {
  height: 110px;
  object-fit: contain;
  width: 110px;
}

.agent-visual::before,
.agent-visual::after {
  border: 1px solid rgba(5, 213, 244, 0.18);
  border-radius: 50%;
  content: "";
  height: 230px;
  left: calc(50% - 115px);
  position: absolute;
  top: 28px;
  width: 230px;
}

.agent-visual::after {
  height: 320px;
  left: calc(50% - 160px);
  top: -17px;
  width: 320px;
}

.memory-chip {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 10px;
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.56rem;
  font-weight: 900;
  padding: 8px 10px;
  position: absolute;
}

.chip-one { left: 13%; top: 48px; transform: rotate(-7deg); }
.chip-two { right: 14%; top: 42px; transform: rotate(5deg); }
.chip-three { bottom: 18px; left: 20%; transform: rotate(4deg); }
.chip-four { bottom: 28px; right: 19%; transform: rotate(-4deg); }

.blocks-visual i {
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(7, 22, 47, 0.1);
  border-radius: 16px;
  box-shadow: 0 18px 32px rgba(7, 22, 47, 0.1);
  height: 94px;
  left: 50%;
  position: absolute;
  top: 50%;
  width: 94px;
}

.blocks-visual i:nth-child(1) { transform: translate(-118px, -110px) rotate(-5deg); }
.blocks-visual i:nth-child(2) { transform: translate(20px, -104px) rotate(7deg); }
.blocks-visual i:nth-child(3) { transform: translate(-102px, 13px) rotate(4deg); }
.blocks-visual i:nth-child(4) { transform: translate(30px, 7px) rotate(-6deg); }

.blocks-visual span {
  align-items: center;
  background: var(--ink);
  border-radius: 50%;
  color: var(--lime);
  display: flex;
  font-size: 0.72rem;
  font-weight: 900;
  height: 84px;
  justify-content: center;
  left: calc(50% - 42px);
  position: absolute;
  top: calc(50% - 42px);
  width: 84px;
  z-index: 2;
}

.backup-visual {
  align-items: center;
  display: flex;
  justify-content: center;
}

.backup-visual div {
  background: linear-gradient(145deg, white, #cbd7ff);
  border: 1px solid rgba(20, 84, 255, 0.16);
  border-radius: 22px;
  box-shadow: 0 20px 40px rgba(20, 84, 255, 0.1);
  height: 175px;
  position: absolute;
  width: 230px;
}

.backup-visual div:nth-child(1) { transform: translate(-46px, -30px) rotate(-8deg); }
.backup-visual div:nth-child(2) { transform: translate(45px, 5px) rotate(8deg); }
.backup-visual div:nth-child(3) { background: var(--blue); transform: translate(0, 25px); }

.backup-visual span {
  align-items: center;
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 0 12px rgba(216, 255, 99, 0.17);
  display: flex;
  font-size: 1.7rem;
  font-weight: 900;
  height: 72px;
  justify-content: center;
  position: relative;
  transform: translateY(25px);
  width: 72px;
  z-index: 2;
}

.edge-globe {
  border: 2px solid var(--blue);
  border-radius: 50%;
  height: 230px;
  left: calc(50% - 115px);
  position: absolute;
  top: 35px;
  width: 230px;
}

.edge-globe::before,
.edge-globe::after {
  border: 1px solid rgba(20, 84, 255, 0.4);
  border-radius: 50%;
  content: "";
  inset: 28px 78px;
  position: absolute;
}

.edge-globe::after {
  inset: 78px 10px;
}

.edge-point {
  background: var(--blue);
  border: 4px solid white;
  border-radius: 50%;
  box-shadow: 0 0 0 2px var(--blue), 0 9px 18px rgba(20, 84, 255, 0.2);
  height: 18px;
  position: absolute;
  width: 18px;
  z-index: 2;
}

.edge-point.p1 { left: 28%; top: 30%; }
.edge-point.p2 { right: 27%; top: 42%; }
.edge-point.p3 { bottom: 25%; left: 42%; }
.edge-point.p4 { right: 39%; top: 17%; }

/* Token */
.token-section {
  background: #0a1a36;
  border-radius: 48px;
  color: white;
  padding: 115px 44px 50px;
  width: min(1360px, calc(100vw - 28px));
}

.token-heading {
  align-items: end;
  display: grid;
  gap: 70px;
  grid-template-columns: 1.25fr 0.75fr;
  margin: 0 auto;
  max-width: 1160px;
}

.token-heading .section-kicker {
  color: var(--cyan);
}

.token-heading > p {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.9rem;
  line-height: 1.65;
  margin: 0;
}

.token-dashboard {
  display: grid;
  gap: 14px;
  grid-template-columns: 0.8fr 1.2fr;
  margin: 70px auto 0;
  max-width: 1160px;
}

.supply-card,
.allocation-card,
.utility-grid article {
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 28px;
}

.supply-card {
  display: flex;
  flex-direction: column;
  min-height: 375px;
  padding: 30px;
}

.supply-card > span {
  color: var(--cyan);
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.13em;
}

.supply-card strong {
  font-size: clamp(2.75rem, 4.2vw, 4.1rem);
  font-weight: 720;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.065em;
  line-height: 0.94;
  margin-top: auto;
  white-space: nowrap;
}

.supply-card b {
  color: var(--lime);
  font-size: 1.1rem;
  letter-spacing: 0.1em;
  margin-top: 8px;
}

.supply-card p {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.45);
  font-size: 0.66rem;
  line-height: 1.5;
  margin: 24px 0 0;
  padding-top: 16px;
}

.allocation-card {
  align-items: center;
  display: grid;
  gap: 34px;
  grid-template-columns: 1.05fr 0.95fr;
  min-height: 375px;
  padding: 30px;
}

.donut {
  align-items: center;
  aspect-ratio: 1;
  background: conic-gradient(#05d5f4 0 35%, #1454ff 35% 55%, #7357ff 55% 70%, #9c7cff 70% 82%, #ff745c 82% 90%, #d8ff63 90% 95%, #ffffff 95% 100%);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  margin: auto;
  max-width: 260px;
  position: relative;
  width: 100%;
}

.donut::before {
  background: #0d203f;
  border-radius: 50%;
  content: "";
  inset: 26%;
  position: absolute;
}

.donut > div {
  display: flex;
  flex-direction: column;
  position: relative;
  text-align: center;
  z-index: 2;
}

.donut span {
  font-size: 2.15rem;
  font-weight: 760;
  letter-spacing: -0.05em;
  line-height: 1;
}

.donut small {
  color: rgba(255, 255, 255, 0.52);
  font-size: 0.47rem;
  font-weight: 900;
  letter-spacing: 0.1em;
  margin-top: 6px;
}

.allocation-list {
  display: grid;
  gap: 8px;
}

.allocation-list > div {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: grid;
  font-size: 0.69rem;
  gap: 9px;
  grid-template-columns: 8px 1fr auto;
  padding-bottom: 8px;
}

.allocation-list i {
  border-radius: 50%;
  height: 7px;
  width: 7px;
}

.allocation-list span {
  color: rgba(255, 255, 255, 0.58);
}

.allocation-list b {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.63rem;
}

.allocation-list .c1 { background: #05d5f4; }
.allocation-list .c2 { background: #1454ff; }
.allocation-list .c3 { background: #7357ff; }
.allocation-list .c4 { background: #9c7cff; }
.allocation-list .c5 { background: #ff745c; }
.allocation-list .c6 { background: #d8ff63; }
.allocation-list .c7 { background: #ffffff; }

.utility-grid {
  display: grid;
  gap: 14px;
  grid-column: 1 / -1;
  grid-template-columns: repeat(4, 1fr);
}

.utility-grid article {
  align-items: flex-start;
  display: flex;
  gap: 15px;
  min-height: 145px;
  padding: 22px;
}

.utility-grid article > span {
  color: var(--cyan);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem;
  font-weight: 900;
}

.utility-grid b {
  display: block;
  font-size: 0.95rem;
}

.utility-grid p {
  color: rgba(255, 255, 255, 0.47);
  font-size: 0.68rem;
  line-height: 1.5;
  margin: 8px 0 0;
}

.token-boundary {
  align-items: flex-start;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  gap: 12px;
  margin: 48px auto 0;
  max-width: 1160px;
  padding-top: 24px;
}

.token-boundary span {
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  display: flex;
  flex: 0 0 auto;
  font-family: Georgia, serif;
  font-size: 0.67rem;
  height: 19px;
  justify-content: center;
  width: 19px;
}

.token-boundary p {
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.65rem;
  line-height: 1.55;
  margin: 0;
}

/* Roadmap */
.roadmap-section {
  padding-bottom: 150px;
  padding-top: 150px;
}

.roadmap-track {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, 1fr);
  margin-top: 70px;
  padding-top: 30px;
  position: relative;
}

.roadmap-progress {
  background: #dce2eb;
  height: 2px;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
}

.roadmap-progress span {
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  display: block;
  height: 100%;
  width: 25%;
}

.roadmap-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  min-height: 410px;
  padding: 24px;
  position: relative;
}

.roadmap-card::before {
  background: #b4bfce;
  border: 5px solid var(--paper);
  border-radius: 50%;
  content: "";
  height: 16px;
  left: 22px;
  position: absolute;
  top: -39px;
  width: 16px;
}

.roadmap-card.phase-active {
  background: var(--ink);
  color: white;
}

.roadmap-card.phase-active::before {
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(5, 213, 244, 0.13);
}

.phase-meta {
  align-items: center;
  display: flex;
  justify-content: space-between;
}

.phase-meta span {
  color: var(--blue);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.65rem;
  font-weight: 900;
}

.phase-active .phase-meta span {
  color: var(--cyan);
}

.phase-meta b {
  background: #eef2f8;
  border-radius: 999px;
  color: #657286;
  font-size: 0.55rem;
  letter-spacing: 0.1em;
  padding: 5px 8px;
}

.phase-active .phase-meta b {
  background: rgba(216, 255, 99, 0.12);
  color: var(--lime);
}

.roadmap-card h3 {
  font-size: 1.45rem;
  font-weight: 720;
  letter-spacing: -0.04em;
  line-height: 1.12;
  margin: 50px 0 15px;
}

.roadmap-card > p {
  color: var(--muted);
  font-size: 0.74rem;
  line-height: 1.55;
  margin: 0;
}

.phase-active > p {
  color: rgba(255, 255, 255, 0.52);
}

.roadmap-card ul {
  border-top: 1px solid var(--line);
  bottom: 20px;
  display: grid;
  gap: 8px;
  left: 24px;
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  position: absolute;
  right: 24px;
}

.phase-active ul {
  border-color: rgba(255, 255, 255, 0.1);
}

.roadmap-card li {
  align-items: center;
  color: #5b6a81;
  display: flex;
  font-size: 0.65rem;
  gap: 8px;
}

.phase-active li {
  color: rgba(255, 255, 255, 0.65);
}

.roadmap-card li::before {
  background: var(--blue);
  border-radius: 50%;
  content: "";
  height: 5px;
  width: 5px;
}

.phase-active li::before {
  background: var(--lime);
}

/* FAQ */
.faq-section {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 70px;
  grid-template-columns: 0.7fr 1.3fr;
  padding-bottom: 140px;
  padding-top: 120px;
}

.faq-heading h2 {
  font-size: clamp(2.5rem, 4.5vw, 4rem);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  align-items: center;
  cursor: pointer;
  display: flex;
  font-size: 1rem;
  font-weight: 720;
  gap: 20px;
  justify-content: space-between;
  list-style: none;
  min-height: 76px;
  padding: 15px 0;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary i {
  border: 1px solid var(--line);
  border-radius: 50%;
  flex: 0 0 auto;
  height: 28px;
  position: relative;
  width: 28px;
}

.faq-list summary i::before,
.faq-list summary i::after {
  background: var(--ink);
  content: "";
  height: 1.5px;
  left: 8px;
  position: absolute;
  top: 13px;
  transition: transform 0.25s ease;
  width: 10px;
}

.faq-list summary i::after {
  transform: rotate(90deg);
}

.faq-list details[open] summary i::after {
  transform: rotate(0);
}

.faq-list details[open] summary {
  color: var(--blue);
}

.faq-list details p {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.65;
  margin: -5px 50px 0 0;
  padding-bottom: 25px;
}

/* Closing */
.closing-section {
  padding-bottom: 32px;
}

.closing-card {
  align-items: center;
  background: linear-gradient(135deg, #1454ff, #077bfb 48%, #05c8de);
  border-radius: 46px;
  color: white;
  display: flex;
  flex-direction: column;
  min-height: 590px;
  overflow: hidden;
  padding: 95px 30px 60px;
  position: relative;
  text-align: center;
}

.closing-card::before {
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 44px 44px;
  content: "";
  inset: 0;
  -webkit-mask-image: radial-gradient(circle at center, black, transparent 75%);
  mask-image: radial-gradient(circle at center, black, transparent 75%);
  position: absolute;
}

.closing-orbit {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 50%;
  height: 570px;
  left: calc(50% - 285px);
  position: absolute;
  top: 8px;
  width: 570px;
}

.closing-orbit::before,
.closing-orbit::after {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  content: "";
  inset: 65px;
  position: absolute;
}

.closing-orbit::after {
  inset: 130px;
}

.closing-orbit i {
  background: var(--lime);
  border-radius: 50%;
  box-shadow: 0 0 15px rgba(216, 255, 99, 0.7);
  height: 9px;
  position: absolute;
  width: 9px;
}

.closing-orbit i:nth-child(1) { left: 9%; top: 36%; }
.closing-orbit i:nth-child(2) { right: 13%; top: 22%; }
.closing-orbit i:nth-child(3) { bottom: 15%; right: 26%; }

.closing-mark {
  background: white;
  border-radius: 22px;
  box-shadow: 0 18px 50px rgba(0, 33, 123, 0.24);
  height: 88px;
  object-fit: contain;
  padding: 7px;
  position: relative;
  width: 88px;
  z-index: 2;
}

.closing-card .section-kicker {
  color: var(--lime);
  margin-top: 27px;
  position: relative;
}

.closing-card h2 {
  font-size: clamp(3.2rem, 7vw, 6.4rem);
  font-weight: 760;
  letter-spacing: -0.065em;
  line-height: 0.92;
  margin: 4px 0 24px;
  position: relative;
  white-space: pre-line;
}

.closing-card > p:not(.section-kicker) {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
  margin: 0 0 28px;
  max-width: 560px;
  position: relative;
}

.button-light {
  background: white;
  color: var(--blue);
  position: relative;
}

/* Footer */
.site-footer {
  margin: 0 auto;
  padding: 65px 0 25px;
  width: var(--page);
}

.footer-main {
  display: grid;
  gap: 70px;
  grid-template-columns: 1.25fr 0.75fr;
  padding-bottom: 60px;
}

.footer-brand img {
  width: 172px;
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 18px 0 0;
  max-width: 330px;
}

.footer-links {
  display: grid;
  gap: 40px;
  grid-template-columns: repeat(2, 1fr);
}

.footer-links > div {
  display: grid;
  gap: 8px;
}

.footer-links b {
  font-size: 0.68rem;
  letter-spacing: 0.07em;
  margin-bottom: 6px;
  text-transform: uppercase;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.75rem;
}

.footer-links a:hover {
  color: var(--blue);
}

.footer-bottom {
  align-items: center;
  border-top: 1px solid var(--line);
  color: #8793a4;
  display: flex;
  font-size: 0.63rem;
  gap: 28px;
  justify-content: space-between;
  padding-top: 20px;
}

.footer-bottom button {
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: inherit;
  font-weight: 750;
  padding: 4px;
}

noscript {
  background: #fff4d3;
  bottom: 0;
  color: #5c4811;
  left: 0;
  padding: 10px;
  position: fixed;
  right: 0;
  text-align: center;
  z-index: 200;
}

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.75s var(--ease), transform 0.75s var(--ease);
}

.reveal[data-delay="1"] { transition-delay: 0.08s; }
.reveal[data-delay="2"] { transition-delay: 0.16s; }
.reveal[data-delay="3"] { transition-delay: 0.24s; }

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

/* Language-specific refinements */
html[lang="zh"] body {
  font-family: "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", Inter, sans-serif;
}

html[lang="zh"] .hero h1,
html[lang="zh"] .section-heading h2,
html[lang="zh"] .token-heading h2,
html[lang="zh"] .faq-heading h2,
html[lang="zh"] .closing-card h2 {
  letter-spacing: -0.035em;
}

/* Responsive */
@media (max-width: 1120px) {
  .desktop-nav {
    display: none;
  }

  .menu-button {
    display: flex;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 140px;
  }

  .hero-copy {
    max-width: 820px;
    padding-bottom: 0;
  }

  .hero-lab {
    margin: 0 auto;
    max-width: 760px;
    width: 100%;
  }

  .hero-metrics {
    margin-top: 24px;
  }

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

  .control-comparison,
  .use-grid {
    grid-template-columns: 1fr;
  }

  .journey-panel {
    grid-template-columns: 0.92fr 1.08fr;
  }

  .architecture-strip {
    grid-template-columns: repeat(3, 1fr);
  }

  .architecture-intro {
    grid-column: 1 / -1;
    margin-bottom: 15px;
  }

  .token-heading {
    gap: 42px;
  }

  .roadmap-track {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 42px;
  }

  .roadmap-progress {
    display: none;
  }

  .roadmap-card::before {
    display: none;
  }
}

@media (max-width: 820px) {
  :root {
    --page: min(100% - 32px, 680px);
  }

  html {
    scroll-padding-top: 82px;
  }

  .site-header {
    padding: 9px 0;
  }

  .brand {
    width: 125px;
  }

  .nav-download {
    display: none;
  }

  .hero {
    gap: 34px;
    min-height: auto;
    padding-bottom: 54px;
    padding-top: 122px;
  }

  .hero h1 {
    font-size: clamp(3rem, 13vw, 5rem);
  }

  .hero-lab {
    border-radius: 28px;
    min-height: 550px;
  }

  .lab-topbar,
  .lab-controls {
    padding-left: 20px;
    padding-right: 20px;
  }

  .data-stage {
    height: 380px;
  }

  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 22px;
  }

  .hero-metrics > div,
  .hero-metrics > div:first-child {
    border-left: 1px solid var(--line);
    padding-left: 16px;
  }

  .control-comparison,
  .use-grid,
  .token-heading,
  .faq-section {
    grid-template-columns: 1fr;
  }

  .comparison-card {
    min-height: 535px;
  }

  .journey-section,
  .token-section {
    border-radius: 32px;
    padding-left: 18px;
    padding-right: 18px;
    width: calc(100vw - 16px);
  }

  .journey-tabs {
    grid-template-columns: repeat(5, minmax(70px, 1fr));
    overflow-x: auto;
  }

  .journey-tabs button {
    flex-direction: column;
    gap: 3px;
  }

  .journey-panel {
    grid-template-columns: 1fr;
  }

  .journey-copy {
    min-height: 420px;
    padding: 38px 28px;
  }

  .journey-visual {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    min-height: 470px;
  }

  .architecture-strip {
    grid-template-columns: 1fr;
  }

  .architecture-intro {
    grid-column: auto;
  }

  .use-card {
    min-height: 560px;
  }

  .token-heading {
    align-items: start;
  }

  .token-dashboard {
    grid-template-columns: 1fr;
  }

  .allocation-card {
    grid-template-columns: 1fr 0.85fr;
  }

  .utility-grid {
    grid-column: auto;
    grid-template-columns: repeat(2, 1fr);
  }

  .roadmap-track {
    grid-template-columns: 1fr;
  }

  .roadmap-card {
    min-height: 370px;
  }

  .faq-section {
    gap: 50px;
  }

  .footer-main {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  :root {
    --page: calc(100vw - 24px);
  }

  .nav-shell {
    gap: 10px;
  }

  .language-control {
    padding-left: 9px;
  }

  .hero-copy {
    text-align: left;
  }

  .hero h1 {
    font-size: clamp(2.9rem, 15vw, 4.25rem);
  }

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

  .hero-ctas {
    display: grid;
  }

  .button {
    justify-content: space-between;
    width: 100%;
  }

  .hero-principles {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero-lab {
    min-height: 527px;
  }

  .lab-topbar {
    min-height: 78px;
  }

  .lab-status {
    display: none;
  }

  .data-stage {
    height: 365px;
  }

  .stage-caption {
    bottom: 14px;
    left: 18px;
    right: 18px;
  }

  .network-node {
    transform: scale(0.82);
  }

  .node-a { left: 5%; }
  .node-b { right: 5%; }
  .node-c { left: 7%; }
  .node-d { right: 7%; }

  .data-stage[data-active-step="2"] .shard-a,
  .data-stage[data-active-step="3"] .shard-a,
  .data-stage[data-active-step="4"] .shard-a { left: calc(5% + 1px); }
  .data-stage[data-active-step="2"] .shard-b,
  .data-stage[data-active-step="3"] .shard-b,
  .data-stage[data-active-step="4"] .shard-b { right: calc(5% + 1px); }
  .data-stage[data-active-step="2"] .shard-c,
  .data-stage[data-active-step="3"] .shard-c,
  .data-stage[data-active-step="4"] .shard-c { left: calc(7% + 1px); }
  .data-stage[data-active-step="2"] .shard-d,
  .data-stage[data-active-step="3"] .shard-d,
  .data-stage[data-active-step="4"] .shard-d { right: calc(7% + 1px); }

  .lab-controls {
    gap: 12px;
    min-height: 83px;
  }

  .lab-progress {
    width: 28%;
  }

  .lab-button {
    font-size: 0.66rem;
  }

  .hero-metrics strong {
    font-size: 1.8rem;
  }

  .hero-metrics span {
    font-size: 0.62rem;
  }

  .problem-section,
  .use-section,
  .roadmap-section {
    padding-bottom: 100px;
    padding-top: 110px;
  }

  .section-heading h2,
  .token-heading h2,
  .faq-heading h2 {
    font-size: clamp(2.35rem, 12vw, 3.5rem);
  }

  .control-comparison {
    margin-top: 45px;
  }

  .comparison-card {
    border-radius: 28px;
    min-height: 520px;
    padding: 22px;
  }

  .comparison-card h3 {
    bottom: 92px;
    left: 22px;
    right: 22px;
  }

  .comparison-card > p {
    bottom: 20px;
    left: 22px;
    right: 22px;
  }

  .pillar-grid {
    grid-template-columns: 1fr;
  }

  .pillar-card {
    min-height: 340px;
  }

  .journey-section,
  .token-section {
    padding-top: 90px;
  }

  .journey-tabs button {
    min-width: 78px;
  }

  .journey-copy {
    min-height: 450px;
  }

  .journey-visual {
    min-height: 420px;
  }

  .visual-device {
    bottom: 40px;
    transform: translateX(-50%) rotate(3deg) scale(0.85);
  }

  .journey-visual[data-journey-visual="0"] .visual-device {
    transform: translateX(-50%) rotate(3deg) scale(0.85);
  }

  .visual-nodes i:nth-child(1),
  .visual-nodes i:nth-child(3) { left: 6%; }
  .visual-nodes i:nth-child(2),
  .visual-nodes i:nth-child(4) { right: 6%; }

  .use-card {
    border-radius: 28px;
    min-height: 0;
    padding: 22px;
  }

  .agent-visual,
  .blocks-visual,
  .backup-visual,
  .edge-visual {
    height: 290px;
    left: auto;
    margin: 12px -22px 6px;
    position: relative;
    right: auto;
    top: auto;
  }

  .use-card h3 {
    bottom: auto;
    left: auto;
    margin: 0 0 12px;
    position: static;
    right: auto;
  }

  .use-card > p {
    bottom: auto;
    left: auto;
    margin: 0 0 18px;
    position: static;
    right: auto;
  }

  .use-card > ul {
    align-items: flex-start;
    bottom: auto;
    flex-wrap: wrap;
    left: auto;
    position: static;
    right: auto;
  }

  .allocation-card {
    grid-template-columns: 1fr;
  }

  .donut {
    max-width: 225px;
  }

  .utility-grid {
    grid-template-columns: 1fr;
  }

  .utility-grid article {
    min-height: 115px;
  }

  .faq-section {
    padding-bottom: 100px;
    padding-top: 90px;
  }

  .closing-card {
    border-radius: 30px;
    min-height: 560px;
    padding-left: 22px;
    padding-right: 22px;
  }

  .closing-card h2 {
    font-size: clamp(3.3rem, 16vw, 5rem);
  }

  .closing-orbit {
    height: 460px;
    left: calc(50% - 230px);
    top: 65px;
    width: 460px;
  }

  .footer-main {
    gap: 50px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

/* V2.4: portability is shown as a data object leaving an open store and
   arriving at a verified destination, rather than as a generic route. */
.portable-icon-stage {
  background:
    radial-gradient(circle at 72% 22%, rgba(255, 255, 255, 0.96) 0 8%, transparent 9%),
    linear-gradient(145deg, rgba(98, 78, 255, 0.13), rgba(0, 213, 244, 0.22));
  border-color: rgba(39, 94, 255, 0.17);
  box-shadow:
    0 18px 38px rgba(20, 84, 255, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.72);
  overflow: hidden;
  position: absolute;
}

.portable-icon-stage::after {
  background: linear-gradient(110deg, transparent 22%, rgba(255, 255, 255, 0.56) 46%, transparent 68%);
  content: "";
  display: block;
  inset: -20%;
  pointer-events: none;
  position: absolute;
  transform: translateX(-78%) rotate(8deg);
  transition: transform 0.65s var(--ease);
}

.portable-icon-stage svg {
  height: 53px;
  position: relative;
  width: 53px;
  z-index: 1;
}

.portable-pillar:hover .portable-icon-stage::after {
  transform: translateX(72%) rotate(8deg);
}

.portable-pillar:hover .portable-icon-stage svg {
  transform: translate(2px, -2px) rotate(-2deg) scale(1.08);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

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

/* V2 — richer art direction and interaction system */
body {
  background:
    radial-gradient(circle at 8% 8%, rgba(5, 213, 244, 0.08), transparent 24rem),
    radial-gradient(circle at 88% 28%, rgba(115, 87, 255, 0.07), transparent 30rem),
    var(--paper);
}

.site-header.is-scrolled {
  background: rgba(248, 250, 255, 0.82);
  box-shadow: 0 1px 0 rgba(7, 22, 47, 0.07), 0 12px 40px rgba(15, 42, 91, 0.06);
}

.desktop-nav a.is-active {
  color: var(--blue);
}

.desktop-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero {
  --hero-x: 72%;
  --hero-y: 28%;
  align-items: center;
  gap: 36px 54px;
  grid-template-columns: minmax(380px, 0.78fr) minmax(540px, 1.22fr);
  min-height: 1050px;
  padding-bottom: 64px;
  padding-top: 132px;
}

.hero::after {
  background: radial-gradient(circle 360px at var(--hero-x) var(--hero-y), rgba(0, 194, 255, 0.11), transparent 70%);
  content: "";
  inset: 0;
  opacity: 0.8;
  pointer-events: none;
  position: absolute;
  transition: opacity 0.35s ease;
}

.hero-copy {
  padding-bottom: 84px;
}

.hero h1 {
  font-size: clamp(3.55rem, 5.4vw, 5.75rem);
  margin-top: 25px;
}

.hero-lede {
  max-width: 590px;
}

.eyebrow {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.67);
  box-shadow: 0 8px 30px rgba(23, 72, 152, 0.06);
}

.live-dot {
  animation: liveBreath 2.4s ease-in-out infinite;
}

.button,
.nav-download,
.lab-button {
  overflow: hidden;
  position: relative;
}

.button::before,
.nav-download::before,
.lab-button::before {
  background: linear-gradient(110deg, transparent 20%, rgba(255, 255, 255, 0.45) 48%, transparent 74%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  transform: translateX(-140%);
  transition: transform 0.7s var(--ease);
}

.button:hover::before,
.nav-download:hover::before,
.lab-button:hover::before {
  transform: translateX(140%);
}

.hero-principles {
  gap: 10px 12px;
}

.hero-principles > span {
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(10, 54, 122, 0.09);
  border-radius: 999px;
  padding: 5px 10px 5px 6px;
}

.principle-icon {
  align-items: center;
  background: linear-gradient(145deg, rgba(20, 84, 255, 0.12), rgba(5, 213, 244, 0.08));
  border: 0;
  display: inline-flex;
  height: 28px;
  justify-content: center;
  width: 28px;
}

.principle-icon::before,
.principle-icon::after {
  display: none;
}

.principle-icon svg {
  color: var(--blue);
  height: 17px;
  width: 17px;
}

.hero-visual-column {
  align-self: center;
  min-height: 790px;
  perspective: 1200px;
  position: relative;
  z-index: 3;
}

.hero-art-frame {
  --art-rx: 0deg;
  --art-ry: 0deg;
  --art-tx: 0px;
  --art-ty: 0px;
  background: linear-gradient(145deg, #fff, #eaf3ff);
  border: 1px solid rgba(34, 93, 190, 0.13);
  border-radius: 40px;
  box-shadow: 0 38px 100px rgba(35, 76, 148, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.8);
  height: 510px;
  margin: 0;
  overflow: hidden;
  position: relative;
  transform: rotateX(var(--art-rx)) rotateY(var(--art-ry));
  transform-style: preserve-3d;
  transition: transform 0.22s ease-out;
}

.hero-art-frame::after {
  background: linear-gradient(110deg, rgba(255, 255, 255, 0.58), transparent 28%, transparent 72%, rgba(82, 145, 255, 0.14));
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.hero-art-frame > img {
  height: 108%;
  left: -4%;
  max-width: none;
  object-fit: cover;
  object-position: center;
  position: absolute;
  top: -4%;
  transform: translate3d(var(--art-tx), var(--art-ty), 0) scale(1.035);
  transition: transform 0.28s ease-out;
  width: 108%;
}

.art-glow {
  border-radius: 50%;
  filter: blur(16px);
  pointer-events: none;
  position: absolute;
}

.art-glow-a {
  animation: glowDrift 7s ease-in-out infinite;
  background: rgba(0, 211, 255, 0.24);
  height: 170px;
  right: 8%;
  top: 8%;
  width: 170px;
}

.art-glow-b {
  animation: glowDrift 9s 1s ease-in-out infinite reverse;
  background: rgba(106, 79, 255, 0.2);
  bottom: 7%;
  height: 145px;
  left: 25%;
  width: 145px;
}

.art-chip {
  align-items: center;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(29, 84, 180, 0.15);
  border-radius: 18px;
  box-shadow: 0 18px 35px rgba(30, 76, 149, 0.15);
  color: var(--blue);
  display: flex;
  height: 58px;
  justify-content: center;
  position: absolute;
  transform: translateZ(35px);
  width: 58px;
  z-index: 3;
}

.art-chip svg {
  height: 31px;
  width: 31px;
}

.art-chip-a { animation: chipFloat 5.2s ease-in-out infinite; left: 8%; top: 17%; }
.art-chip-b { animation: chipFloat 6.3s 0.8s ease-in-out infinite; right: 7%; top: 25%; }
.art-chip-c { animation: chipFloat 5.8s 1.5s ease-in-out infinite; bottom: 16%; right: 19%; }

.hero-lab {
  --rx: 0deg;
  --ry: 0deg;
  --mx: 50%;
  --my: 50%;
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  background: linear-gradient(145deg, rgba(7, 22, 47, 0.985), rgba(10, 30, 64, 0.965));
  border-color: rgba(112, 196, 255, 0.16);
  box-shadow: 0 42px 100px rgba(3, 20, 54, 0.34), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  margin: -190px auto 0;
  min-height: 500px;
  transform: perspective(1100px) rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform 0.18s ease-out, box-shadow 0.3s ease;
  width: 91%;
  z-index: 5;
}

.hero-lab::after {
  background: radial-gradient(circle 220px at var(--mx) var(--my), rgba(22, 129, 255, 0.13), transparent 75%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.hero-lab:hover {
  box-shadow: 0 50px 115px rgba(3, 20, 54, 0.42), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}

.hero-lab .lab-topbar,
.hero-lab .lab-controls,
.hero-lab .data-stage {
  position: relative;
  z-index: 2;
}

.hero-lab .lab-topbar {
  min-height: 76px;
}

.hero-lab .data-stage {
  height: 340px;
}

.hero-lab .lab-controls {
  min-height: 76px;
}

.data-packet {
  align-items: center;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: linear-gradient(145deg, rgba(42, 225, 240, 0.95), rgba(20, 84, 255, 0.96) 66%, rgba(28, 40, 152, 0.96));
  display: flex;
  height: 104px;
  justify-content: center;
  left: calc(50% - 52px);
  top: 72px;
  width: 104px;
}

.data-packet::before,
.data-packet::after {
  display: none;
}

.data-packet svg {
  color: white;
  filter: drop-shadow(0 9px 16px rgba(3, 22, 70, 0.2));
  height: 57px;
  width: 57px;
}

.shield-ring {
  top: 124px;
}

.packet-shard {
  background: transparent;
  border: 0;
  box-shadow: none;
  height: 38px;
  top: 104px;
  width: 38px;
}

.packet-shard i {
  background: linear-gradient(145deg, #45e5f4, #1454ff);
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(20, 84, 255, 0.28);
  display: block;
  height: 100%;
  position: relative;
  transform: rotate(45deg);
  width: 100%;
}

.packet-shard i::after {
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 4px;
  content: "";
  inset: 7px;
  position: absolute;
}

.network-node i {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(20, 84, 255, 0.08));
}

.network-node i::before {
  border: 1.5px solid rgba(255, 255, 255, 0.62);
  border-radius: 4px;
  content: "";
  inset: 8px 10px 15px;
  position: absolute;
}

.network-node small {
  display: none;
}

.hero-metrics {
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(13, 50, 110, 0.08);
  border-radius: 24px;
  box-shadow: 0 22px 60px rgba(29, 70, 137, 0.08);
  margin-top: -20px;
  padding: 22px 0;
}

.hero-metrics > div {
  padding-inline: 28px;
}

.marquee-band {
  background: linear-gradient(90deg, #092cff, #106eff 52%, #00afd7);
  box-shadow: 0 14px 34px rgba(20, 84, 255, 0.2);
}

.marquee-band:hover .marquee-track {
  animation-play-state: paused;
}

.pillar-card,
.use-card,
.utility-grid article,
.roadmap-card {
  --rx: 0deg;
  --ry: 0deg;
  --mx: 50%;
  --my: 50%;
  transform: perspective(1000px) rotateX(var(--rx)) rotateY(var(--ry));
  transform-style: preserve-3d;
  transition: transform 0.18s ease-out, border-color 0.25s ease, box-shadow 0.25s ease;
}

.pillar-card::after,
.use-card::after,
.utility-grid article::after,
.roadmap-card::after {
  background: radial-gradient(circle 180px at var(--mx) var(--my), rgba(71, 140, 255, 0.13), transparent 72%);
  border-radius: inherit;
  content: "";
  inset: 0;
  opacity: 0;
  pointer-events: none;
  position: absolute;
  transition: opacity 0.25s ease;
}

.pillar-card:hover::after,
.use-card:hover::after,
.utility-grid article:hover::after,
.roadmap-card:hover::after {
  opacity: 1;
}

.pillar-card:hover {
  border-color: rgba(20, 84, 255, 0.22);
  box-shadow: 0 28px 60px rgba(18, 57, 122, 0.13);
}

.pillar-glyph.icon-stage {
  align-items: center;
  background: linear-gradient(145deg, rgba(20, 84, 255, 0.12), rgba(5, 213, 244, 0.18));
  border: 1px solid rgba(20, 84, 255, 0.12);
  border-radius: 22px;
  box-shadow: 0 16px 34px rgba(20, 84, 255, 0.1);
  display: flex;
  height: 86px;
  justify-content: center;
  left: 50%;
  position: absolute;
  top: 65px;
  transform: translateX(-50%) translateZ(25px);
  width: 86px;
}

.pillar-glyph.icon-stage::before,
.pillar-glyph.icon-stage::after {
  display: none;
}

.pillar-glyph.icon-stage svg {
  color: var(--blue);
  height: 47px;
  transition: transform 0.35s var(--ease);
  width: 47px;
}

.pillar-card:hover .pillar-glyph svg {
  transform: rotate(-4deg) scale(1.09);
}

.journey-console {
  box-shadow: 0 42px 110px rgba(0, 0, 0, 0.28);
}

.journey-tabs button {
  overflow: hidden;
  position: relative;
}

.journey-tabs button::after {
  background: linear-gradient(90deg, var(--cyan), var(--blue));
  bottom: 0;
  content: "";
  height: 3px;
  left: 0;
  position: absolute;
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.35s var(--ease);
  width: 100%;
}

.journey-tabs button[aria-selected="true"]::after {
  transform: scaleX(1);
}

.journey-visual {
  background:
    radial-gradient(circle at 50% 50%, rgba(20, 84, 255, 0.2), transparent 34%),
    linear-gradient(145deg, rgba(8, 28, 61, 0.96), rgba(9, 19, 46, 0.98));
  isolation: isolate;
}

.journey-visual::after {
  background: radial-gradient(circle 160px at 50% 50%, rgba(5, 213, 244, 0.08), transparent 70%);
  content: "";
  inset: 0;
  position: absolute;
  z-index: -1;
}

.journey-icon-shell {
  align-items: center;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(5, 213, 244, 0.08));
  border: 1px solid rgba(95, 216, 255, 0.27);
  border-radius: 34px;
  box-shadow: 0 0 0 18px rgba(20, 84, 255, 0.06), 0 35px 80px rgba(0, 0, 0, 0.3);
  display: flex;
  height: 178px;
  justify-content: center;
  left: calc(50% - 89px);
  position: absolute;
  top: calc(50% - 105px);
  transform: rotate(-4deg);
  transition: transform 0.5s var(--ease), background 0.35s ease;
  width: 178px;
  z-index: 4;
}

.journey-icon {
  color: #6eeaff;
  filter: drop-shadow(0 14px 28px rgba(4, 181, 255, 0.24));
  height: 96px;
  transition: transform 0.45s var(--ease), opacity 0.2s ease;
  width: 96px;
}

.journey-visual.is-switching .journey-icon {
  opacity: 0;
  transform: scale(0.72) rotate(7deg);
}

.journey-visual[data-journey-visual="1"] .journey-icon-shell { background: linear-gradient(145deg, rgba(115, 87, 255, 0.18), rgba(20, 84, 255, 0.08)); transform: rotate(4deg); }
.journey-visual[data-journey-visual="2"] .journey-icon-shell { background: linear-gradient(145deg, rgba(5, 213, 244, 0.14), rgba(20, 84, 255, 0.12)); transform: rotate(-2deg) scale(1.04); }
.journey-visual[data-journey-visual="3"] .journey-icon-shell { background: linear-gradient(145deg, rgba(216, 255, 99, 0.13), rgba(5, 213, 244, 0.1)); transform: rotate(3deg); }
.journey-visual[data-journey-visual="4"] .journey-icon-shell { background: linear-gradient(145deg, rgba(255, 255, 255, 0.14), rgba(115, 87, 255, 0.12)); transform: rotate(0) scale(1.04); }

.journey-orbit {
  border: 1px solid rgba(69, 189, 255, 0.22);
  border-radius: 50%;
  left: 50%;
  position: absolute;
  top: 45%;
  transform: translate(-50%, -50%);
}

.journey-orbit::after {
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 16px rgba(5, 213, 244, 0.8);
  content: "";
  height: 7px;
  left: 15%;
  position: absolute;
  top: 10%;
  width: 7px;
}

.journey-orbit.orbit-one {
  animation: orbitSpin 10s linear infinite;
  height: 280px;
  width: 280px;
}

.journey-orbit.orbit-two {
  animation: orbitSpin 15s linear infinite reverse;
  border-color: rgba(115, 87, 255, 0.2);
  height: 390px;
  width: 390px;
}

.journey-particle {
  background: linear-gradient(145deg, var(--cyan), var(--blue));
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 6px;
  height: 18px;
  position: absolute;
  width: 18px;
}

.particle-one { animation: particleFloat 4.8s ease-in-out infinite; left: 17%; top: 25%; }
.particle-two { animation: particleFloat 6s 0.8s ease-in-out infinite reverse; right: 17%; top: 22%; }
.particle-three { animation: particleFloat 5.4s 1.2s ease-in-out infinite; bottom: 27%; right: 20%; }

.journey-mini-icons {
  bottom: 30px;
  display: flex;
  gap: 10px;
  left: 50%;
  position: absolute;
  transform: translateX(-50%);
  z-index: 5;
}

.journey-mini-icons svg {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.5);
  height: 40px;
  padding: 9px;
  width: 40px;
}

.plane-icon {
  align-items: center;
  border-radius: 12px;
  display: flex;
  flex: 0 0 auto;
  height: 38px;
  justify-content: center;
  width: 38px;
}

.plane-icon svg {
  height: 22px;
  width: 22px;
}

.plane-icon.cyan { background: rgba(5, 213, 244, 0.1); color: var(--cyan); }
.plane-icon.blue { background: rgba(61, 122, 255, 0.11); color: #6f9dff; }
.plane-icon.violet { background: rgba(161, 132, 255, 0.11); color: #b19aff; }

.architecture-strip article {
  transition: background 0.25s ease, transform 0.25s var(--ease), border-color 0.25s ease;
}

.architecture-strip article:hover {
  background: rgba(255, 255, 255, 0.075);
  border-color: rgba(113, 205, 255, 0.25);
  transform: translateY(-5px);
}

.use-card {
  box-shadow: 0 22px 55px rgba(14, 43, 94, 0.07);
}

.use-card:hover {
  box-shadow: 0 38px 80px rgba(14, 43, 94, 0.16);
}

.use-agent {
  background:
    radial-gradient(circle at 50% 33%, rgba(19, 119, 255, 0.22), transparent 34%),
    linear-gradient(145deg, #07162f, #0b2147);
}

.use-web3 {
  background: linear-gradient(145deg, #eaff9a, #c9f451);
}

.use-backup {
  background: linear-gradient(145deg, #f4f6ff, #dce6ff);
}

.use-edge {
  background: linear-gradient(145deg, #edfeff, #cceff5);
}

.use-illustration {
  align-items: center;
  display: flex;
  height: 310px;
  justify-content: center;
  left: 0;
  overflow: hidden;
  position: absolute;
  right: 0;
  top: 58px;
}

.use-illustration::before,
.use-illustration::after {
  display: none;
}

.use-icon {
  color: var(--blue);
  filter: drop-shadow(0 20px 32px rgba(20, 84, 255, 0.16));
  height: 132px;
  position: relative;
  transform: translateZ(30px) rotate(-3deg);
  transition: transform 0.45s var(--ease), filter 0.45s ease;
  width: 132px;
  z-index: 3;
}

.use-agent .use-icon {
  color: var(--cyan);
  filter: drop-shadow(0 20px 32px rgba(5, 213, 244, 0.16));
}

.use-card:hover .use-icon {
  filter: drop-shadow(0 26px 42px rgba(20, 84, 255, 0.24));
  transform: translateZ(42px) rotate(3deg) scale(1.07);
}

.use-orbit {
  border: 1px solid rgba(20, 84, 255, 0.18);
  border-radius: 50%;
  position: absolute;
}

.use-illustration span.use-orbit {
  align-items: initial;
  background: transparent;
  box-shadow: none;
  display: block;
  left: 50%;
  padding: 0;
  position: absolute;
  top: 50%;
  z-index: auto;
}

.use-agent .use-orbit { border-color: rgba(5, 213, 244, 0.18); }
.use-orbit.orbit-a { animation: orbitSpin 16s linear infinite; height: 230px; width: 230px; }
.use-orbit.orbit-b { animation: orbitSpin 22s linear infinite reverse; height: 320px; width: 320px; }

.use-orbit::after {
  background: currentColor;
  border-radius: 50%;
  box-shadow: 0 0 16px currentColor;
  color: var(--blue);
  content: "";
  height: 7px;
  left: 15%;
  position: absolute;
  top: 12%;
  width: 7px;
}

.use-agent .use-orbit::after { color: var(--cyan); }

.use-spark {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(20, 84, 255, 0.18);
  border-radius: 7px;
  box-shadow: 0 10px 24px rgba(20, 84, 255, 0.13);
  height: 21px;
  position: absolute;
  transform: rotate(45deg);
  width: 21px;
  z-index: 2;
}

.use-illustration i.use-spark {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(20, 84, 255, 0.18);
  border-radius: 7px;
  box-shadow: 0 10px 24px rgba(20, 84, 255, 0.13);
  height: 21px;
  left: auto;
  position: absolute;
  top: auto;
  width: 21px;
  z-index: 2;
}

.use-agent .use-illustration i.use-spark {
  background: rgba(5, 213, 244, 0.8);
  border-color: rgba(255, 255, 255, 0.2);
}

.use-agent .use-spark { background: rgba(5, 213, 244, 0.8); border-color: rgba(255, 255, 255, 0.2); }
.use-illustration i.use-spark.spark-a { animation: particleFloat 5s ease-in-out infinite; bottom: auto; left: 20%; right: auto; top: 25%; transform: rotate(45deg); }
.use-illustration i.use-spark.spark-b { animation: particleFloat 6.5s 0.8s ease-in-out infinite reverse; bottom: auto; left: auto; right: 20%; top: 31%; transform: rotate(45deg); }
.use-illustration i.use-spark.spark-c { animation: particleFloat 5.7s 1.2s ease-in-out infinite; bottom: 19%; left: auto; right: 30%; top: auto; transform: rotate(45deg); }

.utility-grid article {
  align-items: flex-start;
  isolation: isolate;
  position: relative;
}

.utility-grid article > svg {
  color: var(--cyan);
  flex: 0 0 auto;
  height: 34px;
  margin-top: 2px;
  width: 34px;
}

.utility-grid article > span {
  left: auto;
  margin-left: -8px;
  opacity: 0.42;
  position: absolute;
  right: 14px;
  top: 12px;
}

.utility-grid article > div {
  min-width: 0;
}

.token-section {
  background:
    radial-gradient(circle at 9% 15%, rgba(5, 213, 244, 0.11), transparent 23rem),
    radial-gradient(circle at 92% 72%, rgba(115, 87, 255, 0.12), transparent 28rem),
    #07172f;
  box-shadow: 0 40px 110px rgba(3, 22, 56, 0.2);
  overflow: hidden;
  position: relative;
}

.donut {
  animation: donutFloat 6s ease-in-out infinite;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
}

.roadmap-progress span {
  transition: width 0.16s linear;
  width: var(--roadmap-progress, 8%);
}

.roadmap-card {
  isolation: isolate;
  position: relative;
}

.roadmap-card:hover {
  border-color: rgba(20, 84, 255, 0.25);
  box-shadow: 0 26px 60px rgba(15, 53, 116, 0.12);
}

.closing-card {
  background:
    linear-gradient(90deg, rgba(7, 22, 47, 0.96), rgba(7, 22, 47, 0.76)),
    url("assets/sovra-hero-art-v2.webp") center / cover;
  box-shadow: 0 42px 110px rgba(4, 25, 61, 0.25);
}

.closing-card::after {
  background: radial-gradient(circle at 70% 45%, rgba(5, 213, 244, 0.14), transparent 34%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.closing-card > * {
  position: relative;
  z-index: 2;
}

@keyframes liveBreath {
  0%, 100% { box-shadow: 0 0 0 5px rgba(5, 213, 244, 0.13); transform: scale(1); }
  50% { box-shadow: 0 0 0 9px rgba(5, 213, 244, 0.04); transform: scale(1.12); }
}

@keyframes chipFloat {
  0%, 100% { margin-top: 0; }
  50% { margin-top: -11px; }
}

@keyframes glowDrift {
  0%, 100% { opacity: 0.55; transform: translate3d(0, 0, 0) scale(1); }
  50% { opacity: 0.9; transform: translate3d(16px, -12px, 0) scale(1.12); }
}

@keyframes orbitSpin {
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.use-orbit.orbit-a,
.use-orbit.orbit-b {
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

@keyframes particleFloat {
  0%, 100% { transform: translate3d(0, 0, 0) rotate(45deg); }
  50% { transform: translate3d(8px, -14px, 0) rotate(60deg); }
}

@keyframes donutFloat {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-7px) rotate(1deg); }
}

@media (max-width: 1120px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 132px;
  }

  .hero-copy {
    padding-bottom: 10px;
  }

  .hero-visual-column {
    margin: 0 auto;
    max-width: 820px;
    min-height: 800px;
    width: 100%;
  }

  .hero-metrics {
    margin-top: 12px;
  }
}

@media (max-width: 820px) {
  .hero {
    padding-top: 118px;
  }

  .hero-visual-column {
    min-height: 720px;
  }

  .hero-art-frame {
    border-radius: 30px;
    height: clamp(330px, 70vw, 460px);
  }

  .hero-lab {
    margin-top: -110px;
    min-height: 515px;
    width: 96%;
  }

  .hero-lab .data-stage {
    height: 360px;
  }

  .hero-lab .lab-controls {
    min-height: 78px;
  }

  .hero-metrics {
    margin-top: 18px;
  }

  .architecture-strip article {
    align-items: center;
  }

  .utility-grid article > svg {
    height: 38px;
    width: 38px;
  }
}

@media (max-width: 520px) {
  .hero {
    gap: 28px;
    padding-bottom: 42px;
  }

  .hero-copy {
    padding-bottom: 0;
  }

  html[lang="zh"] .hero h1 {
    font-size: clamp(2.65rem, 11.5vw, 2.9rem);
    line-height: 0.98;
  }

  .hero-principles > span {
    width: max-content;
  }

  .hero-visual-column {
    min-height: 615px;
  }

  .hero-art-frame {
    border-radius: 25px;
    height: 300px;
  }

  .hero-art-frame > img {
    left: -15%;
    object-position: 58% center;
    width: 130%;
  }

  .art-chip {
    border-radius: 14px;
    height: 46px;
    width: 46px;
  }

  .art-chip svg {
    height: 25px;
    width: 25px;
  }

  .art-chip-a { left: 5%; top: 12%; }
  .art-chip-b { right: 5%; top: 18%; }
  .art-chip-c { bottom: 12%; right: 13%; }

  .hero-lab {
    border-radius: 25px;
    margin-top: -58px;
    min-height: 435px;
    width: 96%;
  }

  .hero-lab .lab-topbar {
    min-height: 68px;
  }

  .hero-lab .data-stage {
    height: 290px;
  }

  .hero-lab .lab-controls {
    min-height: 70px;
  }

  .data-packet {
    height: 82px;
    left: calc(50% - 41px);
    top: 50px;
    width: 82px;
  }

  .data-packet svg {
    height: 44px;
    width: 44px;
  }

  .shield-ring {
    top: 92px;
  }

  .ring-one { height: 145px; width: 145px; }
  .ring-two { height: 205px; width: 205px; }

  .packet-shard {
    height: 31px;
    top: 77px;
    width: 31px;
  }

  .proof-badge {
    height: 72px;
    left: calc(50% - 36px);
    top: 55px;
    width: 72px;
  }

  .recovery-beam { top: 94px; }

  .stage-caption {
    bottom: 11px;
  }

  .stage-caption p {
    display: none;
  }

  .hero-metrics {
    border-radius: 20px;
    margin-top: 0;
    padding: 18px 0;
  }

  .pillar-glyph.icon-stage {
    height: 76px;
    width: 76px;
  }

  .pillar-glyph.icon-stage svg {
    height: 41px;
    width: 41px;
  }

  .journey-icon-shell {
    height: 145px;
    left: calc(50% - 72.5px);
    top: calc(50% - 94px);
    width: 145px;
  }

  .journey-icon {
    height: 78px;
    width: 78px;
  }

  .journey-orbit.orbit-one { height: 225px; width: 225px; }
  .journey-orbit.orbit-two { height: 315px; width: 315px; }

  .use-illustration {
    height: 280px;
    left: auto;
    margin: 12px -22px 6px;
    position: relative;
    right: auto;
    top: auto;
  }

  .use-icon {
    height: 112px;
    width: 112px;
  }

  .utility-grid article {
    padding-right: 42px;
  }
}

@media (hover: none), (pointer: coarse) {
  .pillar-card,
  .use-card,
  .utility-grid article,
  .roadmap-card,
  .hero-lab,
  .hero-art-frame {
    transform: none !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero::after,
  .pillar-card::after,
  .use-card::after,
  .utility-grid article::after,
  .roadmap-card::after {
    display: none;
  }
}

/* V2.1 — full hero artwork + purpose-built journey diagrams */
.hero-art-frame {
  background:
    radial-gradient(circle at 74% 34%, rgba(0, 204, 255, 0.17), transparent 34%),
    linear-gradient(145deg, #fbfdff, #e9f3ff);
  isolation: isolate;
}

.hero-art-frame::before {
  background: url("assets/sovra-hero-art-v2.webp") center / cover no-repeat;
  content: "";
  filter: blur(26px) saturate(115%);
  inset: -32px;
  opacity: 0.2;
  position: absolute;
  transform: scale(1.08);
  z-index: -1;
}

.hero-art-frame > img {
  height: 100%;
  inset: 0;
  left: 0;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  padding: 5px;
  top: 0;
  transform: translate3d(var(--art-tx), var(--art-ty), 0) scale(0.985);
  width: 100%;
  z-index: 1;
}

.hero-art-frame::after {
  z-index: 2;
}

.art-glow,
.art-chip {
  z-index: 3;
}

.journey-tabs button {
  column-gap: 12px;
  display: grid;
  grid-template-columns: 38px auto;
  grid-template-rows: auto auto;
  justify-content: center;
  min-height: 96px;
  padding: 13px 10px;
  row-gap: 1px;
  text-align: left;
}

.journey-tabs button[aria-selected="true"] {
  background: linear-gradient(145deg, rgba(28, 91, 255, 0.98), rgba(17, 64, 213, 0.98));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.journey-tabs button:hover:not([aria-selected="true"]) {
  background: rgba(255, 255, 255, 0.055);
  color: rgba(255, 255, 255, 0.78);
}

.journey-tabs button .tab-number {
  align-self: end;
  grid-column: 2;
  grid-row: 1;
  opacity: 0.58;
}

.journey-tabs button .tab-icon {
  align-self: center;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 13px;
  color: rgba(112, 202, 255, 0.72);
  grid-column: 1;
  grid-row: 1 / 3;
  height: 38px;
  padding: 8px;
  transition: color 0.3s ease, background 0.3s ease, border-color 0.3s ease, transform 0.35s var(--ease);
  width: 38px;
}

.journey-tabs button b {
  align-self: start;
  grid-column: 2;
  grid-row: 2;
  line-height: 1.1;
}

.journey-tabs button[aria-selected="true"] .tab-icon {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.22);
  color: #fff;
  filter: drop-shadow(0 8px 13px rgba(1, 21, 75, 0.22));
  transform: scale(1.08) rotate(-3deg);
}

.journey-tabs button:hover .tab-icon {
  transform: translateY(-2px) rotate(-3deg);
}

.journey-tabs button[aria-selected="true"]::after {
  background: linear-gradient(90deg, var(--cyan), #8effff);
  box-shadow: 0 -4px 14px rgba(5, 213, 244, 0.35);
}

.journey-visual {
  background:
    radial-gradient(circle at 52% 47%, rgba(20, 84, 255, 0.17), transparent 42%),
    linear-gradient(145deg, rgba(8, 28, 61, 0.98), rgba(6, 17, 41, 0.99));
  min-width: 0;
  overflow: hidden;
  transition: background 0.5s ease;
}

.journey-visual[data-journey-visual="1"] {
  background: radial-gradient(circle at 55% 45%, rgba(115, 87, 255, 0.18), transparent 44%), linear-gradient(145deg, #091b3b, #081229);
}

.journey-visual[data-journey-visual="2"] {
  background: radial-gradient(circle at 50% 48%, rgba(5, 213, 244, 0.15), transparent 46%), linear-gradient(145deg, #071c3b, #07142d);
}

.journey-visual[data-journey-visual="3"] {
  background: radial-gradient(circle at 50% 48%, rgba(216, 255, 99, 0.1), transparent 42%), linear-gradient(145deg, #091d3c, #07142c);
}

.journey-visual[data-journey-visual="4"] {
  background: radial-gradient(circle at 50% 45%, rgba(77, 135, 255, 0.19), transparent 46%), linear-gradient(145deg, #091b3d, #07132b);
}

.journey-diagram-shell {
  align-items: center;
  animation: diagramBreathe 7s ease-in-out infinite;
  display: flex;
  inset: 14px 16px 36px;
  justify-content: center;
  position: absolute;
  z-index: 3;
}

.journey-diagram {
  filter: drop-shadow(0 30px 50px rgba(0, 0, 0, 0.26));
  height: 100%;
  max-height: 500px;
  max-width: 650px;
  opacity: 1;
  transform: scale(1);
  transition: opacity 0.18s ease, transform 0.32s var(--ease), filter 0.35s ease;
  width: 100%;
}

.journey-visual.is-switching .journey-diagram {
  filter: blur(4px) drop-shadow(0 30px 50px rgba(0, 0, 0, 0.2));
  opacity: 0;
  transform: scale(0.94) translateY(8px);
}

.journey-step-dots {
  align-items: center;
  bottom: 17px;
  display: flex;
  gap: 7px;
  justify-content: center;
  left: 0;
  position: absolute;
  right: 0;
  z-index: 5;
}

.journey-step-dots i {
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  display: block;
  height: 5px;
  transition: width 0.35s var(--ease), background 0.35s ease, box-shadow 0.35s ease;
  width: 5px;
}

.journey-step-dots i.is-active {
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(5, 213, 244, 0.7);
  width: 24px;
}

@keyframes diagramBreathe {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@media (max-width: 820px) {
  .journey-tabs {
    grid-template-columns: repeat(5, minmax(104px, 1fr));
  }

  .journey-tabs button {
    display: grid;
    flex-direction: initial;
    min-width: 104px;
  }

  .journey-diagram-shell {
    inset: 8px 8px 32px;
  }
}

@media (max-width: 520px) {
  .hero-art-frame > img {
    height: 100%;
    inset: 0;
    left: 0;
    object-fit: contain;
    object-position: center;
    padding: 4px;
    top: 0;
    width: 100%;
  }

  .journey-tabs button {
    grid-template-columns: 34px auto;
    min-height: 86px;
    min-width: 98px;
    padding: 10px 8px;
  }

  .journey-tabs button .tab-icon {
    border-radius: 11px;
    height: 34px;
    padding: 7px;
    width: 34px;
  }

  .journey-tabs button b {
    font-size: 0.69rem;
  }

  .journey-diagram {
    max-height: 395px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .journey-diagram-shell {
    animation: none;
  }
}

/* V2.2 — true full-width landing artwork */
.hero {
  isolation: isolate;
  min-height: max(1050px, calc(66.667vw + 70px));
  overflow: visible;
}

.hero-full-art {
  --art-rx: 0deg;
  --art-ry: 0deg;
  background: #f7fbff;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  height: 66.667vw;
  left: 50%;
  margin: 0;
  overflow: hidden;
  pointer-events: none;
  position: absolute;
  top: 70px;
  transform: translateX(-50%) rotateX(var(--art-rx)) rotateY(var(--art-ry));
  transform-origin: center 35%;
  width: 100vw;
  z-index: 0;
}

.hero-full-art::before {
  background-size: cover;
  filter: blur(30px) saturate(115%);
  opacity: 0.16;
}

.hero-full-art::after {
  background:
    linear-gradient(90deg, rgba(245, 247, 251, 0.97) 0%, rgba(245, 247, 251, 0.82) 20%, rgba(245, 247, 251, 0.18) 42%, transparent 62%),
    linear-gradient(180deg, rgba(245, 247, 251, 0.16) 0%, transparent 62%, var(--paper) 100%);
}

.hero-full-art > img {
  height: 100%;
  max-width: none;
  object-fit: contain;
  padding: 0;
  transform: translate3d(var(--art-tx), var(--art-ty), 0) scale(1.002);
  width: 100%;
}

.hero-full-art .art-chip-a {
  left: auto;
  right: 43%;
  top: 21%;
}

.hero-full-art .art-chip-b {
  right: 7%;
  top: 24%;
}

.hero-full-art .art-chip-c {
  bottom: 22%;
  right: 18%;
}

.hero-copy,
.hero-visual-column,
.hero-metrics {
  position: relative;
  z-index: 3;
}

.hero-visual-column {
  align-items: center;
  display: flex;
  min-height: 590px;
}

.hero-lab {
  margin: 28px 0 0 auto;
  width: 93%;
}

@media (max-width: 1120px) {
  .hero {
    min-height: auto;
  }

  .hero-full-art {
    top: 88px;
  }

  .hero-visual-column {
    min-height: 590px;
  }

  .hero-lab {
    margin: 18px auto 0;
    max-width: 760px;
    width: 94%;
  }
}

@media (max-width: 820px) {
  .hero {
    overflow: visible;
  }

  .hero-copy {
    grid-column: 1;
    grid-row: 1;
  }

  .hero-full-art {
    border-bottom: 1px solid rgba(20, 84, 255, 0.08);
    border-top: 1px solid rgba(20, 84, 255, 0.08);
    grid-column: 1;
    grid-row: 2;
    height: 66.667vw;
    left: 50%;
    margin: 2px 0 0;
    min-height: 260px;
    position: relative;
    top: auto;
    transform: translateX(-50%);
    width: 100vw;
  }

  .hero-full-art::after {
    background: linear-gradient(180deg, rgba(245, 247, 251, 0.08), transparent 68%, rgba(245, 247, 251, 0.64));
  }

  .hero-full-art .art-chip-a {
    left: 6%;
    right: auto;
    top: 13%;
  }

  .hero-full-art .art-chip-b {
    right: 6%;
    top: 16%;
  }

  .hero-full-art .art-chip-c {
    bottom: 10%;
    right: 16%;
  }

  .hero-visual-column {
    grid-column: 1;
    grid-row: 3;
    margin-top: -92px;
    min-height: 515px;
  }

  .hero-lab {
    margin: 0 auto;
    width: 96%;
  }

  .hero-metrics {
    grid-column: 1;
    grid-row: 4;
  }
}

@media (max-width: 520px) {
  .hero-full-art {
    min-height: 260px;
  }

  .hero-full-art > img {
    height: 100%;
    max-width: none;
    object-fit: contain;
    padding: 0;
    width: 100%;
  }

  .hero-visual-column {
    margin-top: -66px;
    min-height: 435px;
  }

  .hero-lab {
    margin: 0 auto;
  }
}

@media (hover: none), (pointer: coarse) {
  .hero-full-art {
    transform: translateX(-50%) !important;
  }
}

/* V2.3 — premium use-case illustration set */
.use-illustration {
  padding: 4px 12px 0;
  perspective: 1000px;
}

.use-case-art {
  filter: drop-shadow(0 24px 38px rgba(20, 84, 255, 0.13));
  height: 100%;
  max-height: 310px;
  max-width: 590px;
  position: relative;
  transform: translate3d(0, 0, 28px) scale(0.97);
  transform-origin: center;
  transition: transform 0.55s var(--ease), filter 0.45s ease;
  width: 100%;
  z-index: 3;
}

.use-agent .use-case-art {
  filter: drop-shadow(0 26px 44px rgba(0, 207, 241, 0.16));
}

.use-web3 .use-case-art {
  filter: drop-shadow(0 25px 42px rgba(7, 22, 47, 0.2));
}

.use-backup .use-case-art {
  filter: drop-shadow(0 24px 42px rgba(66, 87, 210, 0.15));
}

.use-edge .use-case-art {
  filter: drop-shadow(0 24px 42px rgba(0, 145, 198, 0.14));
}

.use-card:hover .use-case-art {
  filter: drop-shadow(0 34px 54px rgba(20, 84, 255, 0.22));
  transform: translate3d(0, -8px, 44px) scale(1.025) rotateX(1.5deg);
}

.use-agent:hover .use-case-art {
  filter: drop-shadow(0 34px 56px rgba(0, 220, 245, 0.22));
}

.use-illustration::before {
  background: radial-gradient(circle at center, rgba(20, 84, 255, 0.1), transparent 65%);
  border: 0;
  border-radius: 50%;
  content: "";
  display: block;
  height: 260px;
  left: 50%;
  pointer-events: none;
  position: absolute;
  top: 20px;
  transform: translateX(-50%);
  width: min(82%, 460px);
}

.use-agent .use-illustration::before {
  background: radial-gradient(circle at center, rgba(0, 212, 245, 0.16), transparent 66%);
}

.use-web3 .use-illustration::before {
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.34), transparent 68%);
}

.use-backup .use-illustration::before {
  background: radial-gradient(circle at center, rgba(77, 103, 255, 0.12), transparent 68%);
}

.use-edge .use-illustration::before {
  background: radial-gradient(circle at center, rgba(0, 180, 219, 0.13), transparent 68%);
}

@media (max-width: 520px) {
  .use-illustration {
    height: 292px;
    padding-left: 4px;
    padding-right: 4px;
  }

  .use-case-art {
    max-height: 285px;
    transform: scale(1);
  }
}