:root {
  color-scheme: light;
  --ink: #111113;
  --muted: #62646b;
  --line: #e7e7ea;
  --soft: #f7f7f8;
  --panel: #ffffff;
  --accent: #c58a1b;
  --accent-dark: #8b5d10;
  --graphite: #2c2d31;
  --max: 1180px;
  --radius: 8px;
  --gutter: clamp(18px, 3vw, 28px);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --ink: #f5f5f7;
  --muted: #a7a9b0;
  --line: #2c2e35;
  --soft: #17181c;
  --panel: #111216;
  --accent: #d9a441;
  --accent-dark: #f0bd55;
  --graphite: #e8e9ed;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  position: relative;
  isolation: isolate;
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--panel);
  letter-spacing: 0;
}

main {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--panel) 50%, transparent), color-mix(in srgb, var(--panel) 82%, transparent));
}

body::before {
  content: "";
  position: fixed;
  inset: -20%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 14%, rgba(217, 164, 65, .34), transparent 30%),
    radial-gradient(circle at 88% 18%, rgba(80, 126, 210, .22), transparent 30%),
    radial-gradient(circle at 54% 92%, rgba(36, 151, 126, .20), transparent 34%),
    conic-gradient(from 140deg at 50% 50%, transparent, rgba(217, 164, 65, .20), transparent, rgba(80, 126, 210, .14), transparent);
  opacity: .94;
  filter: blur(18px) saturate(1.14);
  transform: translate3d(0, 0, 0);
  animation: ambientGlow 22s ease-in-out infinite alternate;
}

:root[data-theme="dark"] body::before {
  background:
    linear-gradient(120deg, rgba(217, 164, 65, .20), transparent 34%),
    linear-gradient(245deg, rgba(73, 117, 214, .20), transparent 36%),
    conic-gradient(from 150deg at 50% 48%, transparent, rgba(31, 151, 132, .18), transparent, rgba(217, 164, 65, .18), transparent);
  opacity: .78;
  filter: blur(24px) saturate(1.16);
}

@keyframes ambientGlow {
  0% {
    transform: translate3d(-1.5%, -1%, 0) scale(1);
  }

  50% {
    transform: translate3d(1%, 1.5%, 0) scale(1.03);
  }

  100% {
    transform: translate3d(1.5%, -1%, 0) scale(1.01);
  }
}

main,
.site-footer {
  position: relative;
  z-index: 1;
}

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

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

.bitcoin-sparkles span {
  position: absolute;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  color: #f7931a;
  background: rgba(247, 147, 26, .08);
  box-shadow: 0 0 16px rgba(247, 147, 26, .22);
  font-size: 17px;
  font-weight: 800;
  opacity: .18;
  transform: translate3d(0, 0, 0) scale(.86);
  animation: bitcoinBlink 8s ease-in-out infinite, bitcoinFloat 18s ease-in-out infinite alternate;
}

.bitcoin-sparkles span.small {
  width: 20px;
  height: 20px;
  font-size: 12px;
  opacity: .14;
}

.bitcoin-sparkles span.large {
  width: 36px;
  height: 36px;
  font-size: 22px;
  opacity: .20;
}

:root[data-theme="dark"] .bitcoin-sparkles span {
  background: rgba(247, 147, 26, .12);
  box-shadow: 0 0 22px rgba(247, 147, 26, .32);
  opacity: .24;
}

:root[data-theme="dark"] .bitcoin-sparkles span.large {
  opacity: .30;
}

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

.network-node,
.node-line,
.block-drift,
.mempool-dot,
.satoshi-word,
.chart-trace,
.currency-battle {
  position: absolute;
}

.network-node {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 72%, white);
  box-shadow: 0 0 18px rgba(197, 138, 27, .34);
  opacity: .22;
  animation: nodePulse 7s ease-in-out infinite;
}

.node-one {
  left: 9%;
  top: 34%;
}

.node-two {
  left: 23%;
  top: 18%;
  animation-delay: -1.2s;
}

.node-three {
  left: 72%;
  top: 21%;
  animation-delay: -2.4s;
}

.node-four {
  left: 86%;
  top: 58%;
  animation-delay: -3.6s;
}

.node-five {
  left: 38%;
  top: 78%;
  animation-delay: -4.8s;
}

.node-line {
  height: 1px;
  width: 26vw;
  min-width: 180px;
  background: linear-gradient(90deg, transparent, rgba(197, 138, 27, .28), transparent);
  opacity: .18;
  transform-origin: left center;
  animation: linePulse 9s ease-in-out infinite;
}

.line-one {
  left: 9%;
  top: 34%;
  transform: rotate(-22deg);
}

.line-two {
  left: 62%;
  top: 25%;
  transform: rotate(34deg);
  animation-delay: -2.5s;
}

.line-three {
  left: 34%;
  top: 77%;
  transform: rotate(-12deg);
  animation-delay: -5s;
}

.block-drift {
  --block-scale: 1;
  width: 34px;
  height: 24px;
  border: 1px solid rgba(197, 138, 27, .28);
  border-radius: 6px;
  background:
    linear-gradient(90deg, rgba(197, 138, 27, .10), transparent),
    repeating-linear-gradient(0deg, transparent 0 6px, rgba(197, 138, 27, .14) 6px 7px);
  opacity: .18;
  animation: blockRise 30s linear infinite;
}

.block-one {
  left: 15%;
  bottom: -40px;
}

.block-two {
  left: 57%;
  bottom: -70px;
  animation-delay: -10s;
  --block-scale: .82;
}

.block-three {
  left: 82%;
  bottom: -50px;
  animation-delay: -19s;
  --block-scale: .66;
}

.mempool-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #f7931a;
  box-shadow: 0 0 14px rgba(247, 147, 26, .42);
  opacity: .24;
  animation: mempoolTravel 16s ease-in-out infinite;
}

.dot-one {
  left: 31%;
  top: 29%;
}

.dot-two {
  left: 68%;
  top: 67%;
  animation-delay: -5s;
}

.dot-three {
  left: 46%;
  top: 51%;
  animation-delay: -10s;
}

.satoshi-word {
  color: var(--ink);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  opacity: .10;
  animation: wordFade 18s ease-in-out infinite;
}

.word-one {
  left: 7%;
  top: 64%;
}

.word-two {
  right: 8%;
  top: 38%;
  animation-delay: -6s;
}

.word-three {
  left: 43%;
  top: 11%;
  animation-delay: -12s;
}

.chart-trace {
  left: 8%;
  bottom: 11%;
  width: min(430px, 42vw);
  height: 78px;
  opacity: .26;
}

.chart-trace::before {
  content: "";
  position: absolute;
  inset: 0;
  border-bottom: 1px solid rgba(197, 138, 27, .28);
  background: linear-gradient(135deg, transparent 0 18%, rgba(247, 147, 26, .34) 19% 20%, transparent 21% 38%, rgba(247, 147, 26, .42) 39% 40%, transparent 41% 62%, rgba(247, 147, 26, .52) 63% 64%, transparent 65%);
  clip-path: polygon(0 80%, 17% 64%, 28% 68%, 42% 45%, 52% 51%, 68% 26%, 82% 32%, 100% 10%, 100% 100%, 0 100%);
  animation: chartBreathe 8s ease-in-out infinite;
}

.currency-battle {
  right: 7%;
  bottom: 10%;
  width: 190px;
  height: 82px;
  opacity: .54;
}

.battle-token {
  position: absolute;
  top: 15px;
  display: grid;
  place-items: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-style: normal;
  font-weight: 900;
  line-height: 1;
}

.btc-token {
  left: 32px;
  color: #fff;
  background: #f7931a;
  box-shadow: 0 0 28px rgba(247, 147, 26, .45);
  animation: btcAdvance 6s ease-in-out infinite;
}

.usd-token {
  right: 34px;
  color: color-mix(in srgb, var(--ink) 70%, transparent);
  background: rgba(255, 255, 255, .58);
  border: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
  animation: usdRetreat 6s ease-in-out infinite;
}

.battle-pulse {
  position: absolute;
  left: 80px;
  top: 33px;
  width: 32px;
  height: 12px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(247, 147, 26, .55), transparent);
  filter: blur(1px);
  animation: battlePulse 6s ease-in-out infinite;
}

:root[data-theme="dark"] .network-node {
  opacity: .34;
  box-shadow: 0 0 24px rgba(247, 147, 26, .42);
}

:root[data-theme="dark"] .node-line {
  background: linear-gradient(90deg, transparent, rgba(247, 147, 26, .34), transparent);
  opacity: .26;
}

:root[data-theme="dark"] .block-drift,
:root[data-theme="dark"] .mempool-dot,
:root[data-theme="dark"] .chart-trace {
  opacity: .34;
}

:root[data-theme="dark"] .satoshi-word {
  opacity: .14;
}

:root[data-theme="dark"] .currency-battle {
  opacity: .70;
}

:root[data-theme="dark"] .usd-token {
  background: rgba(17, 18, 22, .68);
}

.fourth-dimension {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  perspective: 900px;
  opacity: .70;
}

.dimension-ring,
.dimension-grid,
.mobius-field,
.mobius-strip,
.mobius-glint,
.hypercube,
.depth-line {
  position: absolute;
}

.mobius-field {
  left: 50%;
  top: 46%;
  width: min(74vw, 920px);
  aspect-ratio: 2.18 / 1;
  translate: -50% -50%;
  transform-style: preserve-3d;
  opacity: .86;
  filter: drop-shadow(0 28px 44px rgba(118, 123, 132, .18));
  animation: mobiusDrift 26s ease-in-out infinite alternate;
}

.mobius-strip {
  left: 50%;
  top: 50%;
  width: 88%;
  height: 58%;
  translate: -50% -50%;
  border-radius: 50%;
  transform-style: preserve-3d;
  background:
    conic-gradient(from 18deg at 50% 50%,
      rgba(255, 255, 255, 0) 0deg,
      rgba(201, 206, 216, .10) 24deg,
      rgba(255, 255, 255, .58) 52deg,
      rgba(126, 133, 145, .34) 84deg,
      rgba(246, 248, 252, .70) 124deg,
      rgba(143, 150, 164, .28) 164deg,
      rgba(255, 255, 255, .72) 202deg,
      rgba(118, 125, 137, .32) 246deg,
      rgba(238, 241, 246, .62) 292deg,
      rgba(255, 255, 255, 0) 360deg);
  -webkit-mask:
    radial-gradient(ellipse at center, transparent 0 42%, #000 43% 57%, transparent 58% 100%),
    linear-gradient(100deg, transparent 0 18%, #000 25% 74%, transparent 82% 100%);
  mask:
    radial-gradient(ellipse at center, transparent 0 42%, #000 43% 57%, transparent 58% 100%),
    linear-gradient(100deg, transparent 0 18%, #000 25% 74%, transparent 82% 100%);
  box-shadow:
    inset 0 0 20px rgba(255, 255, 255, .70),
    inset 0 0 52px rgba(112, 119, 132, .22),
    0 0 48px rgba(180, 186, 196, .28);
  animation: mobiusTurn 18s ease-in-out infinite;
}

.mobius-strip::before,
.mobius-strip::after {
  content: "";
  position: absolute;
  inset: 4% 6%;
  border-radius: inherit;
  border: 1px solid rgba(238, 241, 247, .52);
  transform: rotateX(68deg) rotateY(-18deg);
  box-shadow: 0 0 34px rgba(214, 220, 230, .30);
}

.mobius-strip::after {
  inset: 14% 15%;
  border-color: rgba(112, 119, 132, .26);
  transform: rotateX(-62deg) rotateY(18deg) rotateZ(7deg);
}

.strip-one {
  transform: rotateX(62deg) rotateY(-18deg) rotateZ(-8deg);
}

.strip-two {
  width: 70%;
  height: 42%;
  opacity: .70;
  transform: rotateX(-64deg) rotateY(28deg) rotateZ(11deg);
  animation-delay: -7s;
  animation-duration: 22s;
}

.strip-three {
  width: 48%;
  height: 31%;
  opacity: .52;
  transform: rotateX(72deg) rotateY(42deg) rotateZ(-18deg);
  animation-delay: -13s;
  animation-duration: 26s;
}

.mobius-glint {
  width: 32%;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .92), rgba(175, 183, 195, .60), transparent);
  box-shadow: 0 0 20px rgba(235, 239, 247, .55);
  opacity: .72;
  transform-origin: center;
  animation: mobiusGlint 6.8s ease-in-out infinite;
}

.glint-one {
  left: 19%;
  top: 36%;
  transform: rotate(-12deg);
}

.glint-two {
  right: 18%;
  bottom: 33%;
  animation-delay: -3.4s;
  transform: rotate(16deg);
}

.dimension-grid {
  left: 50%;
  top: 54%;
  width: 110vw;
  height: 74vh;
  transform: translate(-50%, -50%) rotateX(66deg) rotateZ(-8deg);
  transform-origin: center;
  background:
    linear-gradient(rgba(197, 138, 27, .12) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, rgba(80, 126, 210, .10) 1px, transparent 1px) 0 0 / 56px 56px;
  mask-image: radial-gradient(ellipse at center, #000 0 44%, transparent 74%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 0 44%, transparent 74%);
  animation: dimensionGridDrift 24s ease-in-out infinite alternate;
}

.dimension-ring {
  width: 220px;
  height: 220px;
  border: 1px solid rgba(197, 138, 27, .24);
  border-radius: 50%;
  box-shadow: 0 0 34px rgba(197, 138, 27, .12), inset 0 0 34px rgba(80, 126, 210, .08);
  transform-style: preserve-3d;
  animation: dimensionRingSpin 18s linear infinite;
}

.ring-one { left: 6%; top: 18%; }
.ring-two { right: 10%; top: 24%; width: 160px; height: 160px; animation-duration: 22s; animation-direction: reverse; }
.ring-three { left: 42%; bottom: 9%; width: 280px; height: 280px; opacity: .42; animation-duration: 28s; }

.hypercube {
  width: 76px;
  height: 76px;
  transform-style: preserve-3d;
  border: 1px solid rgba(247, 147, 26, .34);
  border-radius: 10px;
  box-shadow: 0 0 28px rgba(247, 147, 26, .18);
  animation: hypercubeFold 14s ease-in-out infinite;
}

.hypercube::before,
.hypercube::after,
.hypercube i {
  content: "";
  position: absolute;
  inset: 11px;
  border: 1px solid rgba(80, 126, 210, .26);
  border-radius: 8px;
}

.hypercube::before { transform: translate3d(18px, -18px, 34px) rotateZ(8deg); }
.hypercube::after { transform: translate3d(-18px, 18px, -34px) rotateZ(-8deg); }
.hypercube i:nth-child(1) { transform: rotateX(58deg); }
.hypercube i:nth-child(2) { transform: rotateY(58deg); }
.hypercube i:nth-child(3) { transform: rotateX(-58deg); }
.hypercube i:nth-child(4) { transform: rotateY(-58deg); }

.cube-one { left: 16%; top: 58%; }
.cube-two { right: 18%; top: 14%; width: 56px; height: 56px; animation-delay: -5s; animation-duration: 18s; }
.cube-three { right: 9%; bottom: 18%; width: 96px; height: 96px; animation-delay: -9s; animation-duration: 20s; }

.depth-line {
  width: 38vw;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(80, 126, 210, .24), rgba(247, 147, 26, .24), transparent);
  opacity: .28;
  transform-origin: left center;
  animation: depthLinePulse 10s ease-in-out infinite;
}

.depth-one { --line-rotate: 18deg; left: 4%; top: 28%; transform: rotate(18deg); }
.depth-two { --line-rotate: -22deg; right: 8%; top: 66%; transform: rotate(-22deg); animation-delay: -3s; }
.depth-three { --line-rotate: 7deg; left: 30%; bottom: 18%; transform: rotate(7deg); animation-delay: -6s; }

:root[data-theme="dark"] .fourth-dimension { opacity: .86; }
:root[data-theme="dark"] .mobius-field {
  opacity: .94;
  filter: drop-shadow(0 30px 60px rgba(210, 217, 229, .14));
}
:root[data-theme="dark"] .mobius-strip {
  background:
    conic-gradient(from 18deg at 50% 50%,
      rgba(255, 255, 255, 0) 0deg,
      rgba(146, 154, 170, .18) 24deg,
      rgba(246, 249, 255, .74) 52deg,
      rgba(95, 103, 121, .46) 84deg,
      rgba(235, 239, 247, .76) 124deg,
      rgba(116, 126, 145, .40) 164deg,
      rgba(255, 255, 255, .78) 202deg,
      rgba(91, 102, 123, .42) 246deg,
      rgba(221, 228, 238, .68) 292deg,
      rgba(255, 255, 255, 0) 360deg);
  box-shadow:
    inset 0 0 22px rgba(255, 255, 255, .58),
    inset 0 0 62px rgba(164, 174, 193, .26),
    0 0 58px rgba(206, 214, 229, .24);
}
:root[data-theme="dark"] .dimension-grid {
  background:
    linear-gradient(rgba(247, 147, 26, .15) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(90deg, rgba(95, 145, 255, .14) 1px, transparent 1px) 0 0 / 56px 56px;
}
:root[data-theme="dark"] .dimension-ring,
:root[data-theme="dark"] .hypercube {
  border-color: rgba(247, 147, 26, .36);
  box-shadow: 0 0 38px rgba(247, 147, 26, .22);
}
.whale-pod {
  --pod-scale: 1;
  position: absolute;
  left: -160px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  opacity: .22;
  filter: blur(.1px);
  animation: whaleSwim 42s linear infinite;
}

.whale-pod.pod-one {
  top: 18%;
  animation-duration: 46s;
}

.whale-pod.pod-two {
  top: 48%;
  animation-delay: -18s;
  animation-duration: 58s;
  --pod-scale: .82;
}

.whale-pod.pod-three {
  top: 76%;
  animation-delay: -31s;
  animation-duration: 52s;
  --pod-scale: .68;
}

.whale {
  position: relative;
  display: inline-block;
  width: 72px;
  height: 28px;
  border-radius: 70% 52% 52% 70%;
  background: color-mix(in srgb, var(--ink) 58%, transparent);
  animation: whaleDrift 5.6s ease-in-out infinite alternate;
}

.whale::before {
  content: "";
  position: absolute;
  right: -18px;
  top: 8px;
  width: 22px;
  height: 14px;
  background: inherit;
  clip-path: polygon(0 50%, 100% 0, 72% 50%, 100% 100%);
}

.whale::after {
  content: "";
  position: absolute;
  left: 18px;
  bottom: -7px;
  width: 22px;
  height: 10px;
  border-radius: 50%;
  background: inherit;
  transform: rotate(-14deg);
}

.whale.baby {
  width: 36px;
  height: 15px;
  opacity: .86;
  animation-delay: -1.4s;
}

.whale.baby::before {
  right: -10px;
  top: 4px;
  width: 12px;
  height: 8px;
}

.whale.baby::after {
  left: 9px;
  bottom: -4px;
  width: 11px;
  height: 5px;
}

:root[data-theme="dark"] .whale-pod {
  opacity: .28;
}

@keyframes whaleSwim {
  from {
    transform: translateX(-12vw) scale(var(--pod-scale));
  }

  to {
    transform: translateX(124vw) scale(var(--pod-scale));
  }
}

@keyframes whaleDrift {
  from {
    margin-top: -5px;
  }

  to {
    margin-top: 8px;
  }
}

@keyframes bitcoinBlink {
  0%,
  100% {
    opacity: .10;
    transform: translate3d(0, 0, 0) scale(.82);
  }

  45% {
    opacity: .42;
    transform: translate3d(0, -8px, 0) scale(1);
  }

  62% {
    opacity: .18;
    transform: translate3d(0, 3px, 0) scale(.9);
  }
}

@keyframes bitcoinFloat {
  from {
    margin-left: -6px;
  }

  to {
    margin-left: 10px;
  }
}

@keyframes nodePulse {
  0%,
  100% {
    transform: scale(.8);
    opacity: .14;
  }

  50% {
    transform: scale(1.3);
    opacity: .42;
  }
}

@keyframes linePulse {
  0%,
  100% {
    opacity: .08;
    transform: scaleX(.72);
  }

  50% {
    opacity: .28;
    transform: scaleX(1);
  }
}

@keyframes blockRise {
  from {
    transform: translateY(0) scale(var(--block-scale));
    opacity: 0;
  }

  12%,
  78% {
    opacity: .22;
  }

  to {
    transform: translateY(-112vh) scale(var(--block-scale));
    opacity: 0;
  }
}

@keyframes mempoolTravel {
  0%,
  100% {
    transform: translate3d(-18px, 14px, 0) scale(.85);
    opacity: .10;
  }

  45% {
    transform: translate3d(32px, -22px, 0) scale(1.1);
    opacity: .44;
  }

  70% {
    transform: translate3d(12px, 28px, 0) scale(.92);
    opacity: .20;
  }
}

@keyframes wordFade {
  0%,
  100% {
    transform: translateY(8px);
    opacity: .04;
  }

  42% {
    transform: translateY(0);
    opacity: .14;
  }
}

@keyframes chartBreathe {
  0%,
  100% {
    opacity: .48;
    transform: translateY(4px) scaleX(.96);
  }

  50% {
    opacity: .95;
    transform: translateY(0) scaleX(1);
  }
}

@keyframes btcAdvance {
  0%,
  100% {
    transform: translateX(-2px) scale(.96);
  }

  52% {
    transform: translateX(28px) scale(1.08);
  }
}

@keyframes usdRetreat {
  0%,
  100% {
    transform: translateX(0) scale(.98);
    opacity: .72;
  }

  52% {
    transform: translateX(20px) scale(.88);
    opacity: .30;
  }
}

@keyframes battlePulse {
  0%,
  100% {
    transform: scaleX(.65);
    opacity: .12;
  }

  52% {
    transform: translateX(22px) scaleX(1.25);
    opacity: .60;
  }
}

@keyframes dimensionGridDrift {
  from { transform: translate(-50%, -50%) rotateX(66deg) rotateZ(-8deg) translateY(0); }
  to { transform: translate(-50%, -50%) rotateX(66deg) rotateZ(-2deg) translateY(-24px); }
}

@keyframes dimensionRingSpin {
  from { transform: rotateX(68deg) rotateY(0deg) rotateZ(0deg); }
  to { transform: rotateX(68deg) rotateY(360deg) rotateZ(180deg); }
}

@keyframes hypercubeFold {
  0%, 100% { transform: rotateX(58deg) rotateY(0deg) rotateZ(0deg) scale(.82); opacity: .16; }
  42% { transform: rotateX(32deg) rotateY(180deg) rotateZ(28deg) scale(1); opacity: .42; }
  70% { transform: rotateX(72deg) rotateY(260deg) rotateZ(-18deg) scale(.9); opacity: .24; }
}

@keyframes mobiusDrift {
  0% { transform: rotateX(8deg) rotateY(-8deg) rotateZ(-2deg) scale(.96); }
  50% { transform: rotateX(13deg) rotateY(10deg) rotateZ(3deg) scale(1.02); }
  100% { transform: rotateX(5deg) rotateY(18deg) rotateZ(-4deg) scale(.98); }
}

@keyframes mobiusTurn {
  0%, 100% {
    filter: brightness(1) contrast(1.04);
  }

  48% {
    transform: rotateX(70deg) rotateY(172deg) rotateZ(18deg);
    filter: brightness(1.18) contrast(1.08);
  }

  72% {
    transform: rotateX(-58deg) rotateY(245deg) rotateZ(-14deg);
    filter: brightness(.96) contrast(1.12);
  }
}

@keyframes mobiusGlint {
  0%, 100% {
    opacity: .16;
    translate: -10px 0;
    scale: .72 1;
  }

  42% {
    opacity: .90;
    translate: 24px -8px;
    scale: 1.1 1;
  }

  68% {
    opacity: .34;
    translate: 56px 4px;
    scale: .86 1;
  }
}

@keyframes depthLinePulse {
  0%, 100% { opacity: .08; transform: scaleX(.62) rotate(var(--line-rotate, 0deg)); }
  50% { opacity: .34; transform: scaleX(1) rotate(var(--line-rotate, 0deg)); }
}
img,
svg,
video {
  max-width: 100%;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(0, auto) auto auto;
  align-items: center;
  gap: 24px;
  min-height: 56px;
  padding: 0 var(--gutter);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  background: color-mix(in srgb, var(--panel) 86%, transparent);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.brand,
.top-nav,
.site-footer nav,
.hero-actions,
.quick-filters {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  overflow: hidden;
  background: #111113;
}

.brand-mark img {
  width: 100%;
  height: 100%;
  display: block;
}

.top-nav {
  justify-content: center;
  gap: 34px;
  color: var(--muted);
  font-size: 13px;
  min-width: 0;
}

.top-nav a,
.site-footer a {
  border-bottom: 1px solid transparent;
}

.top-nav a:hover,
.site-footer a:hover {
  border-color: currentColor;
}

.nav-action {
  justify-self: end;
  white-space: nowrap;
  padding: 9px 15px;
  border-radius: 999px;
  color: var(--panel);
  background: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.theme-toggle {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: color-mix(in srgb, var(--panel) 88%, var(--soft));
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.theme-toggle:hover {
  border-color: color-mix(in srgb, var(--ink) 30%, var(--line));
}

.theme-bulb {
  position: relative;
  display: inline-block;
  width: 15px;
  height: 18px;
}

.theme-bulb::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0;
  width: 11px;
  height: 11px;
  border: 1.8px solid currentColor;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  box-shadow: 0 0 0 rgba(217, 164, 65, 0);
  transition: background .2s ease, box-shadow .2s ease;
}

.theme-bulb::after {
  content: "";
  position: absolute;
  left: 5px;
  bottom: 1px;
  width: 5px;
  height: 7px;
  border: 1.8px solid currentColor;
  border-top: 0;
  border-radius: 0 0 3px 3px;
}

:root[data-theme="dark"] .theme-bulb::before {
  background: var(--accent);
  box-shadow: 0 0 14px rgba(217, 164, 65, .55);
}

.theme-label {
  line-height: 1;
}

.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(360px, 44%) minmax(280px, 1fr);
  align-items: center;
  gap: 22px;
  min-height: calc(88vh - 56px);
  min-height: calc(88svh - 56px);
  max-width: 1440px;
  margin: 0 auto;
  padding: 68px var(--gutter) 42px;
  overflow: hidden;
}

.page-hero,
.page-section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px var(--gutter);
}

.page-hero {
  min-height: 58vh;
  min-height: 58svh;
  display: grid;
  align-content: center;
  border-bottom: 1px solid var(--line);
}

.page-hero h1 {
  max-width: 980px;
  margin-bottom: 20px;
  font-size: clamp(48px, 7vw, 96px);
  line-height: .98;
}

.page-hero p:last-child {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(19px, 2.2vw, 26px);
  line-height: 1.32;
}

.page-grid,
.map-grid,
.plan-paths,
.source-library {
  display: grid;
  gap: 14px;
}

.page-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
}

.page-grid.seven,
.map-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.plan-paths,
.source-library {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.page-grid article,
.page-grid .action-card,
.map-grid article,
.map-grid .action-card,
.plan-paths article,
.source-library article {
  min-height: 190px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.page-grid span,
.map-grid span,
.plan-paths span,
.source-library span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.page-grid h3,
.map-grid h3,
.plan-paths h3,
.source-library h3 {
  margin: 16px 0 10px;
  font-size: 24px;
  line-height: 1.12;
}

.page-grid p,
.map-grid p,
.plan-paths p,
.source-library p {
  color: var(--muted);
  line-height: 1.45;
}

.page-grid a,
.source-library a {
  display: inline-block;
  margin-top: 12px;
  border-bottom: 1px solid currentColor;
  font-weight: 650;
}

.action-card,
.page-grid a.action-card,
.map-grid a.action-card,
.tool-map-grid a.action-card,
.paper-grid a.action-card,
.compare-grid a.action-card,
.scenario-grid a.action-card,
.principle-grid a.action-card {
  display: block;
  color: inherit;
  text-decoration: none;
  border-bottom: 0;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.action-card:hover {
  transform: translateY(-2px);
  border-color: #c8c8ce;
  background: #fbfbfc;
}

.action-card em {
  display: inline-flex;
  margin-top: 14px;
  color: var(--ink);
  font-size: 13px;
  font-style: normal;
  font-weight: 750;
}

.reader-path-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  gap: 14px;
}

.reader-path-grid.compact-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
}

.reader-path-grid .action-card {
  min-height: 210px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.reader-path-grid span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.reader-path-grid h3 {
  margin: 16px 0 10px;
  font-size: 24px;
  line-height: 1.12;
}

.reader-path-grid p {
  color: var(--muted);
  line-height: 1.45;
}

.compare-table {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  gap: 14px;
}

.compare-table article {
  min-height: 190px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.compare-table span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.compare-table h3 {
  margin: 14px 0 8px;
  font-size: 22px;
  line-height: 1.15;
}

.compare-table p {
  color: var(--muted);
  line-height: 1.45;
}

.compare-table a {
  display: inline-block;
  margin-top: 12px;
  border-bottom: 1px solid currentColor;
  font-weight: 650;
}

.platform-map {
  max-width: var(--max);
  margin: 0 auto;
  padding: 34px var(--gutter) 74px;
  border-bottom: 1px solid var(--line);
}

.platform-map h2 {
  max-width: 720px;
  margin: 10px 0 22px;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.04;
}

.platform-map nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: 10px;
}

.platform-map a {
  display: grid;
  gap: 8px;
  min-height: 118px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.platform-map a:hover {
  transform: translateY(-2px);
  border-color: #c8c8ce;
  background: #fbfbfc;
}

.platform-map span,
.explore-section-note span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.platform-map b {
  font-size: 22px;
}

.platform-map small,
.explore-section-note p {
  color: var(--muted);
  line-height: 1.45;
}

.homepage-trust {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: var(--max);
  margin: -38px auto 54px;
  padding: 0 var(--gutter);
}

.homepage-trust article {
  min-height: 104px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: color-mix(in srgb, var(--panel) 90%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.homepage-trust span,
.deep-link-grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .10em;
  text-transform: uppercase;
}

.homepage-trust b {
  display: block;
  margin-bottom: 6px;
  font-size: 19px;
}

.homepage-trust small {
  color: var(--muted);
  line-height: 1.4;
}

.homepage-deep-menu {
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px var(--gutter);
}

.deep-link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
  gap: 12px;
}

.deep-link-grid a {
  display: grid;
  gap: 7px;
  min-height: 138px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: inherit;
  background: #fff;
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.deep-link-grid a:hover {
  transform: translateY(-2px);
  border-color: #c8c8ce;
  background: #fbfbfc;
}

.deep-link-grid b {
  font-size: 20px;
  line-height: 1.15;
}

.deep-link-grid small {
  color: var(--muted);
  line-height: 1.45;
}

.homepage-deep:not(:target) {
  display: none;
}

.homepage-deep:target,
.homepage-deep:has(:target) {
  display: block;
  scroll-margin-top: 96px;
}

.explore-section-note {
  display: grid;
  gap: 8px;
  margin: -24px 0 26px;
  padding: 18px 20px;
  border-left: 3px solid var(--accent);
  background: #fbfbfc;
}

.explore-section-note p {
  max-width: 760px;
  margin: 0;
}

.live-chart-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.chart-toolbar,
.chart-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
}

.chart-toolbar span,
.chart-meta span {
  color: var(--muted);
  font-size: 13px;
}

.chart-toolbar strong {
  display: block;
  margin: 6px 0;
  font-size: clamp(28px, 4vw, 48px);
}

.chart-toolbar small {
  color: var(--muted);
}

.timeframe-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.timeframe-tabs button {
  min-width: 48px;
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: #fbfbfc;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}

.timeframe-tabs button.is-active {
  color: #fff;
  border-color: var(--ink);
  background: var(--ink);
}

.line-chart {
  height: 340px;
  margin: 26px 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(#f4f4f6 1px, transparent 1px) 0 0 / 100% 25%,
    linear-gradient(90deg, #f4f4f6 1px, transparent 1px) 0 0 / 12.5% 100%,
    #fbfbfc;
  overflow: hidden;
}

.line-chart svg {
  display: block;
  width: 100%;
  height: 100%;
}

.line-chart path[data-chart-area] {
  fill: rgba(17, 17, 19, .08);
}

.line-chart path[data-chart-line] {
  fill: none;
  stroke: var(--ink);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.simple-reader .section-heading p,
.simple-paths .section-heading p {
  max-width: 780px;
}

.priority-section {
  padding-top: 64px;
  padding-bottom: 64px;
}

.more-drawer {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.more-drawer summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  padding: 0 20px;
  font-weight: 750;
  cursor: pointer;
}

.more-drawer .reader-path-grid {
  padding: 0 20px 20px;
}

.library-terms {
  margin-top: 0;
}

.editorial-note,
.tool-panel {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px;
}

.editorial-note {
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.editorial-note strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
}

.source-note {
  background: #fbfbfc;
}

:root[data-theme="dark"] .page-hero,
:root[data-theme="dark"] .search-band,
:root[data-theme="dark"] .principles,
:root[data-theme="dark"] .library,
:root[data-theme="dark"] .terminal,
:root[data-theme="dark"] .large-holders,
:root[data-theme="dark"] .corporate-treasuries,
:root[data-theme="dark"] .risk-policy,
:root[data-theme="dark"] .money-laundering,
:root[data-theme="dark"] .global-regulation,
:root[data-theme="dark"] .asset-comparison,
:root[data-theme="dark"] .performance-simulator,
:root[data-theme="dark"] .crypto-comparison,
:root[data-theme="dark"] .research-system,
:root[data-theme="dark"] .institute,
:root[data-theme="dark"] .chapter,
:root[data-theme="dark"] .source-note,
:root[data-theme="dark"] .recommendation-card,
:root[data-theme="dark"] .live-chart-panel,
:root[data-theme="dark"] .line-chart,
:root[data-theme="dark"] .supply-bar,
:root[data-theme="dark"] .sim-output,
:root[data-theme="dark"] .explore-section-note,
:root[data-theme="dark"] .homepage-deep-menu {
  background: var(--soft);
}

:root[data-theme="dark"] .action-card,
:root[data-theme="dark"] .hub,
:root[data-theme="dark"] article,
:root[data-theme="dark"] .metric,
:root[data-theme="dark"] .dashboard,
:root[data-theme="dark"] .paper,
:root[data-theme="dark"] .tool-panel,
:root[data-theme="dark"] .editorial-note,
:root[data-theme="dark"] .source-library article,
:root[data-theme="dark"] .company-table-wrap,
:root[data-theme="dark"] .holder-table-wrap,
:root[data-theme="dark"] .more-drawer,
:root[data-theme="dark"] .guide-section,
:root[data-theme="dark"] .article-dialog,
:root[data-theme="dark"] .archive-list article,
:root[data-theme="dark"] .headline-panel,
:root[data-theme="dark"] .featured-bitcoin-story,
:root[data-theme="dark"] .news-portfolio article,
:root[data-theme="dark"] .source-check,
:root[data-theme="dark"] .news-rank-list article,
:root[data-theme="dark"] .platform-map a,
:root[data-theme="dark"] .homepage-trust article,
:root[data-theme="dark"] .deep-link-grid a {
  background: var(--panel);
  border-color: var(--line);
}

:root[data-theme="dark"] .hub.large,
:root[data-theme="dark"] .featured-bitcoin-story {
  background:
    radial-gradient(circle at 82% 18%, rgba(217, 164, 65, .16), transparent 25%),
    linear-gradient(135deg, #14151a, #101115);
}

:root[data-theme="dark"] input,
:root[data-theme="dark"] select,
:root[data-theme="dark"] textarea,
:root[data-theme="dark"] button:not(.nav-action):not(.theme-toggle):not(.primary),
:root[data-theme="dark"] .resource-link,
:root[data-theme="dark"] .saved-item,
:root[data-theme="dark"] .toc,
:root[data-theme="dark"] .company-table th,
:root[data-theme="dark"] .holder-table th,
:root[data-theme="dark"] .breaking-metrics b,
:root[data-theme="dark"] .archive-tags em {
  color: var(--ink);
  background: #17181c;
  border-color: var(--line);
}

:root[data-theme="dark"] p,
:root[data-theme="dark"] small,
:root[data-theme="dark"] li,
:root[data-theme="dark"] .hero-lede,
:root[data-theme="dark"] .page-hero p:last-child,
:root[data-theme="dark"] .metric small,
:root[data-theme="dark"] .headline-list li,
:root[data-theme="dark"] .latest-news li,
:root[data-theme="dark"] .story-verification {
  color: var(--muted);
}

:root[data-theme="dark"] .line-chart {
  background:
    linear-gradient(#24262d 1px, transparent 1px) 0 0 / 100% 25%,
    linear-gradient(90deg, #24262d 1px, transparent 1px) 0 0 / 12.5% 100%,
    #111216;
}

:root[data-theme="dark"] .hero-visual.bitcoin-mark img {
  box-shadow:
    inset 0 0 0 12px rgba(255, 255, 255, .05),
    0 30px 56px rgba(0, 0, 0, .45);
}

.source-note a {
  display: inline-block;
  margin-top: 10px;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-weight: 650;
}

.tool-map-grid,
.seo-grid,
.resource-grid,
.selector-grid,
.score-grid,
.review-grid,
.reference-links {
  display: grid;
  gap: 14px;
}

.tool-map-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
}

.seo-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
}

.resource-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.selector-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
  margin-bottom: 18px;
}

.score-grid,
.review-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr));
}

.tool-map-grid article,
.tool-map-grid .action-card,
.seo-grid article,
.seo-card,
.resource-grid article,
.recommendation-card,
.score-grid article,
.review-grid article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.seo-card {
  color: inherit;
  text-decoration: none;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.seo-card:hover {
  transform: translateY(-2px);
  border-color: #c8c8ce;
  background: #fbfbfc;
}

.selector-grid label span,
.tool-map-grid span,
.seo-grid span,
.seo-card span,
.resource-grid span,
.recommendation-card span,
.score-grid span,
.review-grid span {
  display: block;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.selector-grid select,
.selector-grid input {
  width: 100%;
  height: 44px;
  margin-top: 8px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fbfbfc;
  font: inherit;
}

.recommendation-card {
  background: #fbfbfc;
}

.recommendation-card h3,
.score-grid h3,
.review-grid h3,
.tool-map-grid h3,
.seo-grid h3 {
  margin: 14px 0 8px;
  font-size: 24px;
}

.seo-grid p,
.seo-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.42;
}

.seo-card em {
  display: inline-flex;
  margin-top: 14px;
  color: var(--ink);
  font-size: 13px;
  font-style: normal;
  font-weight: 750;
}

.compact-hero {
  min-height: 44vh;
  min-height: 44svh;
}

.guide-stack {
  display: grid;
  gap: 18px;
}

.guide-section {
  scroll-margin-top: 96px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfbfc;
}

.guide-section:target {
  border-color: #111;
  background: #fff;
}

.guide-section span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.guide-section h2 {
  margin: 12px 0;
  font-size: clamp(32px, 4vw, 56px);
  line-height: 1;
}

.guide-section p {
  max-width: 860px;
  color: #34363c;
  font-size: 18px;
  line-height: 1.6;
}

.guide-section ul {
  display: grid;
  gap: 8px;
  max-width: 820px;
  margin: 18px 0 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}

.guide-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.resource-grid ul {
  padding-left: 18px;
  margin: 16px 0 0;
  color: #3d3e44;
  line-height: 1.55;
}

.resource-list {
  display: grid;
  gap: 9px;
  margin-top: 16px;
}

.resource-link {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfbfc;
  color: var(--ink);
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.resource-link:hover {
  transform: translateY(-1px);
  border-color: #c8c8ce;
  background: #fff;
}

.resource-link img {
  width: 24px;
  height: 24px;
  border-radius: 5px;
}

.resource-link b {
  font-size: 14px;
  line-height: 1.2;
}

.resource-list.text-only p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.45;
}

.reference-links {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  margin-top: 14px;
}

.reference-links a {
  min-height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 14px;
  font-weight: 650;
}

.score-grid label {
  display: block;
  margin-top: 10px;
  color: #3d3e44;
  font-size: 14px;
}

.score-grid input {
  margin-right: 8px;
  accent-color: var(--ink);
}

.hero-copy {
  max-width: 650px;
  padding-left: max(0px, calc((100vw - var(--max)) / 2));
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 20px;
  font-size: clamp(52px, 7vw, 104px);
  line-height: .94;
  font-weight: 760;
}

.hero-lede {
  max-width: 550px;
  color: var(--muted);
  font-size: clamp(19px, 2.4vw, 28px);
  line-height: 1.25;
}

.hero-actions {
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 650;
}

.button.primary {
  color: var(--panel);
  background: var(--ink);
}

.button.secondary {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 74%, transparent);
}

.hero-visual {
  align-self: stretch;
  display: grid;
  place-items: center;
  min-height: 440px;
  margin: 0;
  perspective: 1200px;
}

.hero-visual::before {
  content: "";
  position: absolute;
  width: min(62vw, 520px);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(217, 164, 65, .30), transparent 58%),
    radial-gradient(circle at 70% 30%, rgba(80, 126, 210, .18), transparent 45%);
  filter: blur(26px);
  opacity: .9;
  animation: ambientGlow 16s ease-in-out infinite alternate;
}

.hero-visual img {
  position: relative;
  z-index: 1;
  width: min(46vw, 440px);
  max-height: 50vh;
  object-fit: contain;
  filter: drop-shadow(0 24px 42px rgba(28, 28, 32, .12));
}

.hero-visual.bitcoin-mark img {
  border-radius: 50%;
  box-shadow:
    inset 0 0 0 12px rgba(255, 255, 255, .08),
    0 30px 56px rgba(17, 17, 19, .18);
  filter: none;
  animation: bitcoinLogoShatterCycle 10s ease-in-out infinite;
}

.hero-visual.bitcoin-mark img:hover {
  animation-play-state: paused;
}

.shatter-logo {
  overflow: visible;
}

.logo-shards {
  position: absolute;
  inset: 50%;
  z-index: 2;
  pointer-events: none;
}

.logo-shards i {
  --x: 0px;
  --y: 0px;
  --r: 0deg;
  --s: 1;
  position: absolute;
  left: 0;
  top: 0;
  display: block;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 255, 255, .92), transparent 34%),
    linear-gradient(135deg, #f7931a, #111113);
  box-shadow: 0 0 18px rgba(247, 147, 26, .34);
  opacity: 0;
  transform: translate(-50%, -50%) scale(.2) rotate(0deg);
  animation: logoShardBurst 10s ease-in-out infinite;
}

.logo-shards i:nth-child(1) {
  --x: -230px;
  --y: -150px;
  --r: -92deg;
  --s: .86;
}

.logo-shards i:nth-child(2) {
  --x: -175px;
  --y: 90px;
  --r: 148deg;
  --s: .72;
  animation-delay: .04s;
}

.logo-shards i:nth-child(3) {
  --x: -95px;
  --y: -210px;
  --r: 220deg;
  --s: .62;
  animation-delay: .08s;
}

.logo-shards i:nth-child(4) {
  --x: 90px;
  --y: -190px;
  --r: -160deg;
  --s: .80;
  animation-delay: .12s;
}

.logo-shards i:nth-child(5) {
  --x: 210px;
  --y: -95px;
  --r: 110deg;
  --s: .92;
  animation-delay: .16s;
}

.logo-shards i:nth-child(6) {
  --x: 235px;
  --y: 135px;
  --r: -210deg;
  --s: .68;
  animation-delay: .20s;
}

.logo-shards i:nth-child(7) {
  --x: 40px;
  --y: 230px;
  --r: 176deg;
  --s: .74;
  animation-delay: .24s;
}

.logo-shards i:nth-child(8) {
  --x: -210px;
  --y: 190px;
  --r: -132deg;
  --s: .58;
  animation-delay: .28s;
}

.logo-shards i:nth-child(9) {
  --x: -280px;
  --y: 8px;
  --r: 260deg;
  --s: .52;
  animation-delay: .32s;
}

.logo-shards i:nth-child(10) {
  --x: 285px;
  --y: 8px;
  --r: -260deg;
  --s: .56;
  animation-delay: .36s;
}

.logo-shards i:nth-child(11) {
  --x: -24px;
  --y: -265px;
  --r: 310deg;
  --s: .50;
  animation-delay: .40s;
}

.logo-shards i:nth-child(12) {
  --x: 18px;
  --y: 270px;
  --r: -320deg;
  --s: .54;
  animation-delay: .44s;
}

.logo-shards i:nth-child(13) {
  --x: 150px;
  --y: 210px;
  --r: 190deg;
  --s: .46;
  animation-delay: .48s;
}

.logo-shards i:nth-child(14) {
  --x: -145px;
  --y: -45px;
  --r: -245deg;
  --s: .48;
  animation-delay: .52s;
}

.logo-shards i:nth-child(15) {
  --x: 145px;
  --y: 52px;
  --r: 245deg;
  --s: .50;
  animation-delay: .56s;
}

.logo-shards i:nth-child(16) {
  --x: -45px;
  --y: 145px;
  --r: -185deg;
  --s: .44;
  animation-delay: .60s;
}

:root[data-theme="dark"] .logo-shards i {
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 255, 255, .95), transparent 34%),
    linear-gradient(135deg, #f7931a, #d9a441, #32343c);
  box-shadow: 0 0 24px rgba(247, 147, 26, .46);
}

@keyframes bitcoinLogoShatterCycle {
  0% {
    transform: rotate(0deg) scale(1);
    filter: grayscale(1) saturate(.2);
    opacity: 1;
  }

  18% {
    transform: rotate(240deg) scale(1.02);
    filter: grayscale(0) saturate(1.8) hue-rotate(0deg);
  }

  31% {
    transform: rotate(420deg) scale(1.07);
    filter: grayscale(0) saturate(2.2) hue-rotate(75deg);
  }

  40% {
    transform: rotate(540deg) scale(.88);
    filter: grayscale(0) saturate(2.4) hue-rotate(160deg);
    opacity: .22;
  }

  55% {
    transform: rotate(620deg) scale(.74);
    filter: grayscale(0) saturate(2.1) hue-rotate(245deg);
    opacity: .12;
  }

  72% {
    transform: rotate(700deg) scale(.92);
    filter: grayscale(.35) saturate(1.2);
    opacity: .52;
  }

  86% {
    transform: rotate(720deg) scale(1.02);
    filter: grayscale(.8) saturate(.5);
    opacity: 1;
  }

  100% {
    transform: rotate(720deg) scale(1);
    filter: grayscale(1) saturate(.2);
    opacity: 1;
  }
}

@keyframes logoShardBurst {
  0%,
  31% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(.2) rotate(0deg);
  }

  42% {
    opacity: .96;
    transform: translate(calc(-50% + var(--x)), calc(-50% + var(--y))) scale(var(--s)) rotate(var(--r));
  }

  58% {
    opacity: .72;
    transform: translate(calc(-50% + var(--x)), calc(-50% + var(--y))) scale(var(--s)) rotate(var(--r));
  }

  76% {
    opacity: .40;
    transform: translate(-50%, -50%) scale(.36) rotate(0deg);
  }

  88%,
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(.2) rotate(0deg);
  }
}

.search-band,
.principles,
.library,
.terminal,
.large-holders,
.corporate-treasuries,
.risk-policy,
.money-laundering,
.global-regulation,
.asset-comparison,
.performance-simulator,
.crypto-comparison,
.research-system,
.institute,
.chapter {
  max-width: var(--max);
  margin: 0 auto;
  padding: 96px 28px;
}

.search-band {
  text-align: center;
  border-top: 1px solid var(--line);
}

.search-band h2,
.section-heading h2,
.terminal h2,
.chapter-intro h2 {
  margin-bottom: 14px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.02;
  font-weight: 740;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-heading p,
.terminal-copy p,
.large-holders p,
.corporate-treasuries p,
.risk-policy p,
.money-laundering p,
.global-regulation p,
.asset-comparison p,
.performance-simulator p,
.crypto-comparison p,
.research-system p,
.institute p,
.chapter-intro p {
  color: var(--muted);
  font-size: 20px;
  line-height: 1.45;
}

.refresh-button {
  min-height: 40px;
  margin-top: 18px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ink);
  background: #fff;
  font: inherit;
  font-size: 14px;
  font-weight: 650;
  cursor: pointer;
}

.refresh-button:hover {
  border-color: #c8c8ce;
  background: var(--soft);
}

.search-box {
  position: relative;
  display: block;
  max-width: 760px;
  margin: 28px auto 16px;
}

.search-box input {
  width: 100%;
  height: 64px;
  padding: 0 24px 0 54px;
  border: 1px solid var(--line);
  border-radius: 999px;
  outline: none;
  color: var(--ink);
  background: var(--soft);
  font: inherit;
  font-size: 17px;
}

.search-box input:focus {
  border-color: #b9b9be;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(17, 17, 19, .04);
}

.search-icon {
  position: absolute;
  left: 24px;
  top: 50%;
  width: 16px;
  height: 16px;
  border: 2px solid #73757c;
  border-radius: 50%;
  transform: translateY(-50%);
}

.search-icon::after {
  content: "";
  position: absolute;
  right: -7px;
  bottom: -5px;
  width: 8px;
  height: 2px;
  border-radius: 1px;
  background: #73757c;
  transform: rotate(45deg);
}

.quick-filters {
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.quick-filters button {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #35363a;
  background: #fff;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.principle-grid,
.bento-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.principle-grid article,
.principle-grid .action-card,
.hub,
.chapter-part article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.principle-grid article,
.principle-grid .action-card {
  padding: 28px;
}

.principle-grid span,
.hub span,
.metric span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.principle-grid h3,
.hub h3 {
  margin: 18px 0 10px;
  font-size: 25px;
}

.principle-grid p,
.hub p,
.chapter-part p,
.metric small {
  color: var(--muted);
  line-height: 1.48;
}

.library {
  background: linear-gradient(#fff, #fbfbfc);
}

.bento-grid {
  grid-auto-rows: minmax(225px, auto);
}

.hub {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  transition: transform .22s ease, box-shadow .22s ease;
}

.hub:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 38px rgba(20, 20, 24, .08);
}

.hub.large {
  grid-column: span 2;
  background:
    radial-gradient(circle at 82% 18%, rgba(197, 138, 27, .18), transparent 25%),
    linear-gradient(135deg, #fff, #f4f4f5);
}

.hub.wide {
  grid-column: span 2;
  background: #f6f6f7;
}

.terminal {
  display: grid;
  grid-template-columns: minmax(260px, .75fr) minmax(420px, 1fr);
  gap: 28px;
  align-items: center;
}

.dashboard {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  padding: 0;
  background: transparent;
}

.metric {
  min-height: 140px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.metric strong {
  display: block;
  margin: 18px 0 6px;
  font-size: clamp(26px, 3.4vw, 42px);
  letter-spacing: 0;
}

.live-metric strong {
  font-variant-numeric: tabular-nums;
}

.live-blocks {
  grid-column: 1 / -1;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.live-heading,
.block-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 14px;
}

.live-heading {
  margin-bottom: 14px;
}

.live-heading span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.live-heading small,
.block-row small {
  color: var(--muted);
}

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

.block-row {
  min-height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfbfc;
  font-variant-numeric: tabular-nums;
}

.block-row span {
  color: #3d3e44;
  font-weight: 650;
}

.block-row b {
  font-size: 14px;
}

.block-row.skeleton {
  color: transparent;
  background: linear-gradient(90deg, #f4f4f5, #fff, #f4f4f5);
  background-size: 240% 100%;
  animation: shimmer 1.5s ease infinite;
}

@keyframes shimmer {
  from {
    background-position: 100% 0;
  }

  to {
    background-position: -100% 0;
  }
}

.news-brief {
  max-width: var(--max);
  margin: 0 auto;
  padding: 90px 28px;
  border-bottom: 1px solid var(--line);
}

.news-brief .section-heading {
  max-width: 900px;
}

.news-brief h2 {
  font-size: clamp(34px, 5vw, 64px);
  line-height: .98;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.news-grid article {
  min-height: 220px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.news-grid span {
  display: block;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.news-grid h3 {
  margin: 18px 0 10px;
  font-size: 24px;
}

.news-grid p {
  color: var(--muted);
  line-height: 1.5;
}

.news-grid a {
  display: inline-block;
  margin-top: 14px;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-weight: 700;
}

.headline-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
  gap: 14px;
  margin-top: 32px;
}

.headline-panel,
.featured-bitcoin-story {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.featured-bitcoin-story {
  display: grid;
  align-content: space-between;
  min-height: 360px;
  background: linear-gradient(135deg, #fff, #f7f7f8);
}

.headline-panel.wide,
.latest-news {
  grid-column: 1;
}

.breaking-news {
  grid-column: 2;
  grid-row: span 2;
}

.headline-panel span,
.featured-bitcoin-story span {
  display: block;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.featured-bitcoin-story h3 {
  margin: 20px 0 14px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.02;
}

.headline-panel h3 {
  margin: 18px 0 10px;
  font-size: 24px;
}

.featured-bitcoin-story p,
.headline-panel p,
.latest-news li,
.headline-list li {
  color: var(--muted);
  line-height: 1.5;
}

.headline-list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding-left: 22px;
}

.headline-list.compact {
  gap: 12px;
}

.headline-list li {
  padding-left: 4px;
  font-weight: 650;
}

.latest-news ul {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding-left: 18px;
}

.source-link-grid {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.source-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

.source-row a,
.headline-panel a,
.source-link-grid a {
  display: inline-block;
  margin-top: 14px;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-weight: 700;
}

.source-link-grid a {
  width: max-content;
  margin-top: 0;
  font-size: 14px;
}

.breaking-metrics {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.breaking-metrics b {
  padding: 12px;
  border-radius: 6px;
  background: #f6f6f7;
  font-size: 14px;
}

.daily-news .section-heading {
  max-width: 980px;
}

.news-rank-list {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.news-portfolio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 32px 0;
}

.news-portfolio article,
.source-check {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.source-check {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.news-portfolio span,
.source-check span,
.event-level {
  width: max-content;
  padding: 6px 9px;
  border-radius: 999px;
  background: #f6f6f7;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.news-portfolio h3 {
  margin: 16px 0 10px;
  font-size: 22px;
  line-height: 1.12;
}

.news-portfolio p,
.source-check p,
.story-verification {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.news-rank-list article {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 18px 24px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.news-rank-list span {
  align-self: start;
}

.event-level.high {
  color: #6b2f12;
  background: #fff0e6;
}

.event-level.medium {
  color: #5a470f;
  background: #fff8dc;
}

.event-level.low {
  color: #31503b;
  background: #edf8f1;
}

.news-rank-list h3 {
  margin: 0;
  font-size: clamp(22px, 3vw, 34px);
}

.news-rank-list p,
.story-verification,
.news-rank-list a {
  grid-column: 2;
}

.news-rank-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.news-rank-list a {
  width: max-content;
  border-bottom: 1px solid currentColor;
  color: var(--ink);
  font-weight: 700;
}

.archive-list {
  display: grid;
  gap: 14px;
  margin-top: 32px;
}

.archive-list article {
  display: grid;
  grid-template-columns: minmax(150px, .22fr) minmax(0, 1fr) auto;
  gap: 18px;
  align-items: start;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.archive-list span,
.archive-tags em {
  color: var(--accent-dark);
  font-size: 12px;
  font-style: normal;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.archive-list h3 {
  margin: 0 0 10px;
  font-size: 26px;
  line-height: 1.1;
}

.archive-list p,
.archive-tags {
  grid-column: 2;
}

.archive-list p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.archive-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.archive-tags em {
  padding: 6px 9px;
  border-radius: 999px;
  background: #f6f6f7;
  color: #3d3e44;
}

.chart {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  align-items: end;
  gap: 10px;
  height: 210px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(#fff, #f6f6f7);
}

.chart i {
  display: block;
  min-height: 24px;
  border-radius: 6px 6px 2px 2px;
  background: linear-gradient(180deg, #d6a244, #27282d);
}

.large-holders {
  border-top: 1px solid var(--line);
}

.holder-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.holder-summary article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.holder-summary span,
.holder-search span {
  display: block;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.holder-summary strong {
  display: block;
  margin: 14px 0 6px;
  font-size: clamp(24px, 3vw, 36px);
  font-variant-numeric: tabular-nums;
}

.holder-summary small,
.holder-tools a {
  color: var(--muted);
}

.holder-tools {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin: 22px 0 12px;
}

.holder-search {
  width: min(100%, 520px);
}

.holder-search input {
  width: 100%;
  height: 44px;
  margin-top: 8px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fbfbfc;
  font: inherit;
}

.holder-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.holder-table {
  width: 100%;
  min-width: 850px;
  border-collapse: collapse;
  font-size: 14px;
}

.holder-table th,
.holder-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.holder-table th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #fbfbfc;
  color: #4b4c52;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.holder-table td {
  font-variant-numeric: tabular-nums;
}

.holder-table tr:last-child td {
  border-bottom: 0;
}

.holder-address {
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  word-break: break-all;
}

.corporate-treasuries {
  border-top: 1px solid var(--line);
  background: linear-gradient(#fff, #fbfbfc);
}

.risk-policy {
  border-top: 1px solid var(--line);
}

.money-laundering {
  border-top: 1px solid var(--line);
  background: linear-gradient(#fff, #fbfbfc);
}

.global-regulation {
  border-top: 1px solid var(--line);
}

.asset-comparison {
  border-top: 1px solid var(--line);
  background: linear-gradient(#fff, #fbfbfc);
}

.performance-simulator {
  border-top: 1px solid var(--line);
}

.crypto-comparison {
  border-top: 1px solid var(--line);
  background: linear-gradient(#fff, #fbfbfc);
}

.paper {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.paper-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  align-items: start;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.paper-header span,
.paper-metrics span,
.paper-sources span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.paper-header h3 {
  max-width: 820px;
  margin: 14px 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.02;
}

.paper-header p,
.paper-section p,
.paper-grid p {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.paper-header aside {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfbfc;
}

.paper-header aside b,
.paper-header aside small {
  display: block;
}

.paper-header aside small {
  margin-top: 10px;
  color: var(--muted);
  line-height: 1.45;
}

.paper-grid,
.paper-metrics,
.analysis-cards {
  display: grid;
  gap: 14px;
}

.paper-grid {
  grid-template-columns: repeat(2, 1fr);
  margin: 28px 0;
}

.paper-grid section,
.paper-grid .action-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfbfc;
}

.paper h4 {
  margin: 0 0 12px;
  font-size: 26px;
}

.paper-metrics {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
  margin-bottom: 34px;
}

.paper-metrics article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.paper-metrics strong {
  display: block;
  margin: 14px 0 6px;
  font-size: clamp(24px, 3vw, 34px);
  font-variant-numeric: tabular-nums;
}

.paper-metrics small {
  color: var(--muted);
}

.paper-section {
  padding-top: 32px;
  margin-top: 32px;
  border-top: 1px solid var(--line);
}

.company-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.company-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  font-size: 14px;
}

@supports not (font-size: clamp(1rem, 2vw, 2rem)) {
  h1 {
    font-size: 72px;
  }

  .page-hero h1 {
    font-size: 64px;
  }

  .hero-lede,
  .page-hero p:last-child {
    font-size: 22px;
  }
}

@media print {
  body::before {
    display: none;
  }

  .whale-scene {
    display: none;
  }

  .bitcoin-sparkles {
    display: none;
  }

  .research-atmosphere {
    display: none;
  }

  .fourth-dimension {
    display: none;
  }

  .site-header,
  .hero-visual,
  .nav-action,
  .quick-filters,
  .refresh-button {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .page-hero,
  .page-section,
  .hero {
    min-height: auto;
    padding: 28px 0;
  }
}

.company-table th,
.company-table td {
  padding: 12px 13px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.company-table th {
  background: #fbfbfc;
  color: #4b4c52;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.company-table td {
  font-variant-numeric: tabular-nums;
}

.company-table tr:last-child td {
  border-bottom: 0;
}

.analysis-cards {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.policy-map,
.scenario-grid,
.impact-ladder,
.policy-models,
.regulation-timeline,
.heat-map {
  display: grid;
  gap: 14px;
}

.policy-map,
.scenario-grid,
.policy-models,
.heat-map {
  grid-template-columns: repeat(3, 1fr);
}

.policy-map article,
.scenario-grid article,
.scenario-grid .action-card,
.impact-ladder div,
.policy-models article,
.regulation-timeline div,
.heat-map article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfbfc;
}

.policy-map span,
.scenario-grid span,
.policy-models span,
.heat-map span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.policy-map h5,
.scenario-grid h5,
.policy-models h5 {
  margin: 12px 0 8px;
  font-size: 20px;
}

.policy-map p,
.scenario-grid p,
.impact-ladder p,
.policy-models p,
.regulation-timeline p,
.heat-map p {
  font-size: 15px;
}

.regulation-timeline {
  grid-template-columns: repeat(5, 1fr);
}

.regulation-timeline b,
.heat-map b {
  display: block;
  margin-bottom: 8px;
}

.regulation-table td:first-child {
  font-weight: 700;
}

.impact-ladder {
  grid-template-columns: repeat(4, 1fr);
}

.impact-ladder b {
  display: block;
  margin-bottom: 8px;
}

.asset-compare {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.asset-compare div {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfbfc;
}

.asset-compare b {
  display: block;
  margin-bottom: 8px;
}

.asset-compare p {
  font-size: 15px;
}

.simulator-shell {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.investment-controls,
.investment-results,
.strategy-grid,
.preset-grid {
  display: grid;
  gap: 14px;
}

.investment-controls {
  grid-template-columns: 1fr 1fr 1fr auto;
  align-items: end;
}

.investment-controls label span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.investment-controls input,
.investment-controls select {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fbfbfc;
  color: var(--ink);
  font: inherit;
}

.investment-results {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 190px), 1fr));
  margin-top: 20px;
}

.investment-results article,
.strategy-grid article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfbfc;
}

.investment-results span,
.strategy-grid span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.investment-results strong,
.strategy-grid h3 {
  display: block;
  margin: 14px 0 6px;
  font-size: clamp(22px, 3vw, 34px);
  font-variant-numeric: tabular-nums;
}

.investment-results small,
.strategy-grid p,
.method-note {
  color: var(--muted);
}

.strategy-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  margin-top: 14px;
}

.performance-examples {
  margin-top: 28px;
}

.performance-examples h3 {
  margin-bottom: 14px;
  font-size: 24px;
}

.preset-grid {
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
}

.preset-grid button {
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}

.preset-grid button:hover {
  background: var(--soft);
}

.method-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.45;
}

.analysis-cards article {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfbfc;
}

.analysis-cards b {
  display: block;
  margin-bottom: 10px;
  font-size: 18px;
}

.analysis-cards p {
  font-size: 15px;
}

.paper-checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 0;
  margin: 20px 0 0;
  list-style: none;
}

.paper-checklist li {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfbfc;
  color: #3d3e44;
}

.paper-sources {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 32px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.paper-sources a {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #3d3e44;
  background: #fff;
  font-size: 14px;
}

.research-system {
  border-top: 1px solid var(--line);
}

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

.system-panel {
  min-height: 265px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.system-panel:nth-child(1),
.system-panel:nth-child(4),
.system-panel:nth-child(7),
.system-panel:nth-child(10) {
  grid-column: span 2;
}

.system-panel span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.system-panel h3 {
  margin: 18px 0 12px;
  font-size: 24px;
  line-height: 1.1;
}

.system-panel p {
  margin-bottom: 0;
  font-size: 15px;
}

.result-stack,
.path-list,
.term-grid,
.timeline,
.fee-grid,
.supply-stats,
.source-list {
  margin-top: 18px;
}

.result-stack {
  display: grid;
  gap: 8px;
}

.result-stack div,
.article-card,
.fee-grid div,
.supply-stats div {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfbfc;
}

.result-stack b,
.article-card b {
  display: block;
  margin-bottom: 5px;
}

.result-stack small,
.article-card small,
.fee-grid small,
.supply-stats small {
  color: var(--muted);
}

.path-list {
  display: grid;
  gap: 10px;
  padding-left: 20px;
  color: #3d3e44;
  line-height: 1.35;
}

.term-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.term-grid button {
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.term-definition {
  min-height: 66px;
  margin-top: 14px;
  padding: 12px;
  border-radius: 6px;
  background: #fbfbfc;
}

.timeline {
  display: grid;
  gap: 10px;
}

.timeline div {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.timeline b {
  font-variant-numeric: tabular-nums;
}

.timeline p {
  font-size: 14px;
}

.article-card {
  margin-top: 18px;
}

.article-card b {
  margin-top: 10px;
  font-size: 20px;
}

.fee-grid,
.supply-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.fee-grid b,
.supply-stats b {
  display: block;
  margin-top: 8px;
  font-size: 22px;
  font-variant-numeric: tabular-nums;
}

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

.supply-bar {
  height: 12px;
  margin: 22px 0 14px;
  border-radius: 999px;
  background: #ececef;
  overflow: hidden;
}

.supply-bar i {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--graphite), var(--accent));
  transition: width .4s ease;
}

.checklist-panel label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 11px;
  color: #3d3e44;
  font-size: 14px;
  line-height: 1.35;
}

.checklist-panel input {
  margin-top: 2px;
  accent-color: var(--ink);
}

.source-list {
  display: grid;
  gap: 10px;
  padding-left: 18px;
}

.source-list a {
  border-bottom: 1px solid transparent;
}

.source-list a:hover {
  border-color: currentColor;
}

.newsletter-form {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 20px;
}

.newsletter-form input,
.newsletter-form button {
  min-height: 44px;
  border-radius: 999px;
  font: inherit;
}

.newsletter-form input {
  min-width: 0;
  padding: 0 16px;
  border: 1px solid var(--line);
  outline: none;
}

.newsletter-form button {
  padding: 0 16px;
  border: 0;
  color: #fff;
  background: var(--ink);
  font-weight: 650;
  cursor: pointer;
}

.institute {
  border-top: 1px solid var(--line);
  background: linear-gradient(#fff, #fbfbfc 42%, #fff);
}

.hub-catalog,
.article-grid,
.trust-grid,
.compare-grid,
.participant-grid {
  display: grid;
  gap: 14px;
}

.hub-catalog {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 150px), 1fr));
  margin-bottom: 72px;
}

.hub-catalog article,
.article-grid article,
.reading-list,
.whitepaper-notes article,
.trust-grid article,
.compare-grid article,
.compare-grid .action-card,
.question-library details,
.simulator,
.participant-grid article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.hub-catalog article {
  min-height: 210px;
  padding: 18px;
}

.hub-catalog span,
.article-lab .section-kicker,
.trust-grid span,
.compare-grid span,
.participant-grid span,
.reading-list span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.hub-catalog h3 {
  margin: 16px 0 10px;
  font-size: 18px;
  line-height: 1.15;
}

.hub-catalog p,
.article-grid p,
.reading-list,
.whitepaper-notes p,
.trust-grid p,
.compare-grid p,
.question-library p,
.participant-grid p {
  font-size: 14px;
}

.article-lab {
  display: grid;
  grid-template-columns: minmax(220px, .42fr) minmax(0, 1fr) 220px;
  gap: 18px;
  align-items: start;
  margin-bottom: 72px;
}

.article-lab h3,
.reading-room h3,
.compare-lab h3,
.question-library h3,
.simulator h3 {
  margin: 0 0 14px;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.05;
}

.article-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
}

.article-grid article,
.reading-list {
  padding: 18px;
}

.article-grid small,
.article-dialog small {
  color: var(--muted);
}

.article-grid h4 {
  margin: 12px 0 8px;
  font-size: 22px;
}

.article-grid button,
.dialog-close {
  min-height: 34px;
  margin: 12px 6px 0 0;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  cursor: pointer;
}

.reading-list {
  position: sticky;
  top: 82px;
  min-height: 180px;
}

.saved-item {
  display: block;
  margin-top: 10px;
  padding: 10px;
  border-radius: 6px;
  background: #fbfbfc;
  font-size: 13px;
}

.reading-room,
.simulator {
  display: grid;
  grid-template-columns: minmax(260px, .75fr) minmax(360px, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 72px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.whitepaper-notes {
  display: grid;
  gap: 10px;
}

.whitepaper-notes article {
  padding: 16px;
}

.trust-grid {
  grid-template-columns: repeat(2, 1fr);
  margin-bottom: 72px;
}

.trust-grid article {
  padding: 24px;
}

.trust-grid h3,
.participant-grid h3 {
  margin: 16px 0 10px;
  font-size: 26px;
}

.trust-grid li {
  margin: 8px 0;
  color: #3d3e44;
}

.compare-lab,
.question-library {
  margin-bottom: 72px;
}

.compare-grid {
  grid-template-columns: repeat(5, 1fr);
  margin-top: 18px;
}

.compare-grid article,
.compare-grid .action-card {
  min-height: 165px;
  padding: 18px;
}

.compare-grid p {
  margin-top: 18px;
}

.question-library details {
  padding: 18px 20px;
  margin-top: 10px;
}

.question-library summary {
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
}

.question-library p {
  margin-top: 10px;
}

.sim-steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}

.sim-steps button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfbfc;
  color: #3d3e44;
  font: inherit;
  font-size: 13px;
  cursor: pointer;
}

.sim-steps button.is-active {
  color: #fff;
  background: var(--ink);
  border-color: var(--ink);
}

.sim-output {
  grid-column: 1 / -1;
  min-height: 70px;
  padding: 16px;
  border-radius: 6px;
  background: #fbfbfc;
}

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

.participant-grid article {
  min-height: 210px;
  padding: 22px;
}

.article-dialog {
  width: min(680px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  color: var(--ink);
  background: #fff;
  box-shadow: 0 34px 80px rgba(20, 20, 24, .22);
}

.article-dialog::backdrop {
  background: rgba(17, 17, 19, .28);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.article-dialog h3 {
  margin: 12px 0;
  font-size: 34px;
}

.article-dialog p {
  font-size: 18px;
}

.dialog-close {
  float: right;
  margin-top: 0;
}

.citation-strip {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.citation-strip span,
.citation-strip a {
  padding: 7px 10px;
  border-radius: 999px;
  background: #fbfbfc;
  font-size: 13px;
}

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

.chapter-intro {
  max-width: 850px;
  margin-bottom: 42px;
}

.chapter-layout {
  display: grid;
  grid-template-columns: 235px minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.toc {
  position: sticky;
  top: 82px;
  display: grid;
  gap: 6px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .86);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}

.toc a {
  padding: 10px 12px;
  border-radius: 6px;
  color: #42434a;
  font-size: 14px;
}

.toc a:hover {
  background: var(--soft);
}

.chapter-part {
  margin-bottom: 34px;
}

.chapter-part h3 {
  margin-bottom: 14px;
  font-size: 28px;
}

.chapter-part article {
  padding: 20px 22px;
  margin-bottom: 10px;
}

.chapter-part b {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.chapter-part p {
  margin-bottom: 0;
}

.is-hidden {
  display: none !important;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 28px;
  max-width: var(--max);
  margin: 0 auto;
  padding: 38px 28px 56px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  max-width: 460px;
  margin: 10px 0 0;
  color: var(--muted);
}

.site-footer nav {
  align-items: flex-start;
  gap: 18px;
  flex-wrap: wrap;
  color: #42434a;
  font-size: 14px;
}

.creator-credit {
  flex: 0 0 100%;
  max-width: none;
  margin: 4px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  html {
    scroll-behavior: auto;
    transition: none !important;
  }

  body::before {
    animation: none;
  }

  .hero-visual::before {
    animation: none;
  }

  .whale-scene {
    display: none;
  }

  .research-atmosphere {
    display: none;
  }

  .fourth-dimension {
    display: none;
  }

  .bitcoin-sparkles span {
    animation: none;
  }

  .hero-visual.bitcoin-mark img {
    animation: none;
  }

  .logo-shards {
    display: none;
  }
}

@media (max-width: 1120px) {
  .site-header {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 12px 22px;
  }

  .brand {
    justify-content: center;
  }

  .top-nav {
    width: 100%;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
  }

  .top-nav a {
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    font-size: 12px;
  }

  .nav-action {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy {
    max-width: 860px;
    padding-left: 0;
  }

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

  .hero-visual img {
    width: min(72vw, 360px);
    max-height: 360px;
  }

  .platform-map nav {
    grid-template-columns: repeat(3, 1fr);
  }

  .homepage-trust {
    grid-template-columns: 1fr;
    margin-top: 0;
  }
}

@media (max-width: 880px) {
  .currency-battle {
    right: 1%;
    bottom: 5%;
    transform: scale(.78);
  }

  .mobius-field {
    top: 42%;
    width: 104vw;
    opacity: .62;
  }

  .strip-two,
  .strip-three,
  .mobius-glint {
    display: none;
  }

  .chart-trace {
    width: 58vw;
    opacity: .16;
  }

  .satoshi-word {
    display: none;
  }

  .site-header {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 12px 18px;
  }

  .top-nav {
    width: 100%;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
  }

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

  .top-nav a {
    flex: 0 0 auto;
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: #fff;
    font-size: 12px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 54px;
  }

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

  .hero-visual {
    min-height: 300px;
  }

  .logo-shards {
    transform: scale(.66);
  }

  .principle-grid,
  .platform-map nav,
  .deep-link-grid,
  .bento-grid,
  .terminal,
  .page-grid,
  .page-grid.seven,
  .map-grid,
  .plan-paths,
  .source-library,
  .tool-map-grid,
  .news-grid,
  .headline-layout,
  .news-portfolio,
  .news-rank-list article,
  .archive-list article,
  .seo-grid,
  .resource-grid,
  .reader-path-grid,
  .compare-table,
  .selector-grid,
  .score-grid,
  .review-grid,
  .reference-links,
  .holder-summary,
  .paper-header,
  .paper-grid,
  .paper-metrics,
  .analysis-cards,
  .policy-map,
  .scenario-grid,
  .impact-ladder,
  .policy-models,
  .regulation-timeline,
  .heat-map,
  .asset-compare,
  .investment-controls,
  .investment-results,
  .strategy-grid,
  .preset-grid,
  .paper-checklist,
  .system-grid,
  .hub-catalog,
  .article-lab,
  .article-grid,
  .reading-room,
  .trust-grid,
  .compare-grid,
  .simulator,
  .participant-grid,
  .chapter-layout {
    grid-template-columns: 1fr;
  }

  .headline-panel.wide,
  .latest-news,
  .breaking-news {
    grid-column: auto;
    grid-row: auto;
  }

  .news-rank-list p,
  .story-verification,
  .news-rank-list a,
  .archive-list p,
  .archive-list .archive-tags {
    grid-column: 1;
  }

  .hub.large,
  .hub.wide,
  .system-panel:nth-child(1),
  .system-panel:nth-child(4),
  .system-panel:nth-child(7),
  .system-panel:nth-child(10) {
    grid-column: auto;
  }

  .toc {
    position: static;
  }
}

@media (max-width: 560px) {
  .node-line,
  .block-drift,
  .currency-battle {
    display: none;
  }

  .fourth-dimension {
    opacity: .46;
  }

  .mobius-field {
    top: 36%;
    width: 128vw;
    filter: drop-shadow(0 18px 28px rgba(118, 123, 132, .14));
  }

  .network-node,
  .mempool-dot,
  .chart-trace {
    opacity: .12;
  }

  .site-header {
    padding: 10px 14px;
  }

  .hero,
  .page-hero,
  .page-section,
  .search-band,
  .homepage-deep-menu,
  .principles,
  .library,
  .terminal,
  .large-holders,
  .corporate-treasuries,
  .risk-policy,
  .money-laundering,
  .global-regulation,
  .asset-comparison,
  .performance-simulator,
  .crypto-comparison,
  .research-system,
  .institute,
  .chapter,
  .site-footer {
    padding-left: 18px;
    padding-right: 18px;
  }

  .homepage-trust {
    padding-left: 18px;
    padding-right: 18px;
  }

  h1 {
    font-size: 46px;
    line-height: .98;
  }

  .page-hero h1 {
    font-size: 44px;
  }

  .platform-map nav {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 240px;
  }

  .hero-visual img {
    width: min(76vw, 260px);
    max-height: 260px;
  }

  .search-box input {
    height: 58px;
    font-size: 15px;
  }

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

  .fee-grid,
  .supply-stats,
  .newsletter-form {
    grid-template-columns: 1fr;
  }

  .holder-tools {
    align-items: stretch;
    flex-direction: column;
  }

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

  .chart {
    grid-column: auto;
  }

  .site-footer {
    flex-direction: column;
  }
}








.daily-blog-strip {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px var(--gutter) 74px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  gap: 18px;
  align-items: stretch;
  border-bottom: 1px solid var(--line);
}

.daily-blog-copy,
.daily-blog-card,
.blog-entry,
.blog-insight-grid div {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .78);
  box-shadow: var(--shadow-soft);
}

.daily-blog-copy,
.daily-blog-card {
  min-height: 220px;
  padding: 24px;
  border-radius: 28px;
}

.daily-blog-copy {
  display: grid;
  align-content: center;
}

.daily-blog-copy h2 {
  max-width: 620px;
  margin: 8px 0 12px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1;
}

.daily-blog-copy p:last-child,
.daily-blog-card p,
.blog-entry p,
.blog-insight-grid p {
  color: var(--muted);
  line-height: 1.65;
}

.daily-blog-card {
  display: grid;
  align-content: center;
  gap: 12px;
}

.daily-blog-card span,
.blog-insight-grid span {
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.daily-blog-card h3 {
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.05;
}

.daily-blog-card a {
  width: max-content;
  padding: 11px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-weight: 750;
}

.blog-hero {
  border-bottom: 1px solid var(--line);
}

.blog-post {
  display: grid;
  gap: 28px;
}

.blog-entry {
  padding: clamp(24px, 4vw, 48px);
  border-radius: 28px;
}

.blog-entry h3 {
  margin: 28px 0 10px;
  font-size: clamp(24px, 3vw, 38px);
}

.blog-entry h3:first-child {
  margin-top: 0;
}

.blog-insight-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0;
}

.blog-insight-grid div {
  min-height: 180px;
  padding: 18px;
  border-radius: 22px;
}

.education-note {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

:root[data-theme="dark"] .daily-blog-copy,
:root[data-theme="dark"] .daily-blog-card,
:root[data-theme="dark"] .blog-entry,
:root[data-theme="dark"] .blog-insight-grid div {
  background: var(--panel);
  border-color: var(--line);
}

:root[data-theme="dark"] .daily-blog-card a {
  background: #f5f5f7;
  color: #111217;
}

@media (max-width: 900px) {
  .daily-blog-strip,
  .blog-insight-grid {
    grid-template-columns: 1fr;
  }

  .daily-blog-copy,
  .daily-blog-card,
  .blog-entry {
    border-radius: 22px;
  }
}

.archive-quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.archive-quick-links a {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-weight: 750;
}

.archive-scroll {
  max-height: 720px;
  overflow-y: auto;
  padding-right: 8px;
  scroll-behavior: smooth;
}

.archive-scroll::-webkit-scrollbar {
  width: 8px;
}

.archive-scroll::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: rgba(20, 20, 24, .22);
}

:root[data-theme="dark"] .archive-quick-links a {
  background: var(--panel);
  border-color: var(--line);
}