:root {
  color-scheme: dark;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #090a12;
  color: #f4f7fb;
  --bg: #090a12;
  --panel: rgba(18, 22, 34, 0.82);
  --panel-strong: rgba(20, 25, 39, 0.96);
  --line: rgba(175, 185, 214, 0.18);
  --text: #f4f7fb;
  --muted: #aeb7ca;
  --soft: #d8deec;
  --violet: #a259ff;
  --cyan: #48d7c6;
  --amber: #f5c36b;
  --green: #73e0a9;
  --heading-line: 1.2;
  --copy-line: 1.66;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 18% 8%, rgba(72, 215, 198, 0.14), transparent 30rem),
    radial-gradient(circle at 88% 4%, rgba(162, 89, 255, 0.18), transparent 28rem),
    linear-gradient(180deg, #0c0d18 0%, #090a12 42%, #0f111c 100%);
}

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

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

.site-shell {
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem clamp(1rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
  background: rgba(9, 10, 18, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 0;
}

.brand img {
  width: clamp(9rem, 13vw, 13.5rem);
  height: auto;
  max-height: 2.3rem;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.4rem);
  color: var(--soft);
  font-size: 0.9rem;
}

.nav-links a:hover,
.back-link:hover {
  color: #ffffff;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(18rem, 1.18fr);
  align-items: center;
  gap: clamp(2rem, 4vw, 4rem);
  min-height: min(42rem, calc(70vh - 4rem));
  padding: clamp(3.6rem, 7.2vh, 6rem) clamp(1rem, 5vw, 4rem) clamp(0.65rem, 1.7vh, 1.35rem);
}

.hero-copy {
  max-width: 46rem;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--cyan);
  font-size: clamp(0.64rem, 0.72vw, 0.72rem);
  font-weight: 700;
  letter-spacing: 0.1em;
  line-height: 1.5;
  text-transform: uppercase;
}

.hero-copy .eyebrow {
  white-space: nowrap;
}

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

h1 {
  margin-bottom: 1.35rem;
  font-size: clamp(2.35rem, 5.15vw, 4.15rem);
  line-height: var(--heading-line);
  letter-spacing: 0;
}

.hero h1 {
  color: transparent;
  background: linear-gradient(100deg, #ffffff 0%, #dffcf8 28%, #48d7c6 74%, #a259ff 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  margin-bottom: 1.3rem;
  font-size: clamp(1.45rem, 2.85vw, 2.55rem);
  line-height: var(--heading-line);
  letter-spacing: 0;
}

h3 {
  font-size: 1.12rem;
  line-height: var(--heading-line);
}

.hero-lead,
.lead {
  color: var(--soft);
  font-size: clamp(1.05rem, 1.75vw, 1.35rem);
  line-height: var(--copy-line);
}

.hero-lead {
  margin-bottom: 0.2rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2.05rem;
}

.primary-button,
.secondary-button,
.resource-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  border-radius: 0.45rem;
  padding: 0.72rem 1rem;
  font-weight: 750;
  line-height: 1.2;
}

.primary-button {
  background: #ffffff;
  color: #0d1020;
}

.secondary-button {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.primary-button:hover,
.secondary-button:hover,
.resource-actions a:hover {
  transform: translateY(-1px);
}

.hero-visual,
.architecture-visual {
  border: 1px solid rgba(162, 89, 255, 0.34);
  border-radius: 0.75rem;
  padding: clamp(0.45rem, 1vw, 0.7rem);
  background:
    linear-gradient(135deg, rgba(162, 89, 255, 0.16), rgba(72, 215, 198, 0.08)),
    rgba(255, 255, 255, 0.04);
  box-shadow: 0 2rem 7rem rgba(0, 0, 0, 0.44);
}

.hero-visual img,
.architecture-visual img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  object-position: center;
  border-radius: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-notice {
  margin: 0.65rem 0 0;
  color: rgba(216, 222, 236, 0.72);
  font-size: 0.76rem;
  line-height: var(--copy-line);
}

.signal-visual {
  position: relative;
  justify-self: center;
  width: min(94%, 70rem);
  min-height: clamp(22.75rem, 33vw, 32.75rem);
  border: 1px solid rgba(216, 222, 236, 0.16);
  border-radius: 1rem;
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 24%, rgba(72, 215, 198, 0.18), transparent 16rem),
    radial-gradient(circle at 76% 58%, rgba(162, 89, 255, 0.2), transparent 22rem),
    linear-gradient(145deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02));
  box-shadow:
    0 2rem 7rem rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.signal-visual::before {
  content: '';
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(72, 215, 198, 0.14), transparent);
  animation: scanSweep 5.5s ease-in-out infinite;
}

.signal-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(216, 222, 236, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(216, 222, 236, 0.06) 1px, transparent 1px);
  background-size: 4rem 4rem;
  mask-image: radial-gradient(circle at 50% 50%, black, transparent 72%);
}

.signal-path {
  position: absolute;
  top: 32%;
  left: 10%;
  right: 10%;
  height: 46%;
  border: 1px solid rgba(72, 215, 198, 0.13);
  border-top: 0;
  border-radius: 0 0 8rem 8rem;
  opacity: 0.72;
}

.signal-cascade {
  position: absolute;
  top: 31%;
  left: 14%;
  right: 14%;
  height: 43%;
  pointer-events: none;
}

.signal-cascade span {
  position: absolute;
  top: -0.5rem;
  color: rgba(216, 252, 248, 0.72);
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: clamp(0.62rem, 0.9vw, 0.82rem);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-shadow: 0 0 1.4rem rgba(72, 215, 198, 0.7);
  opacity: 0;
  animation: dataCascade 9.4s ease-in-out infinite;
}

.signal-cascade span:nth-child(1) {
  left: 3%;
  animation-delay: 1.1s;
}

.signal-cascade span:nth-child(2) {
  left: 18%;
  animation-delay: 1.55s;
}

.signal-cascade span:nth-child(3) {
  left: 31%;
  animation-delay: 2s;
}

.signal-cascade span:nth-child(4) {
  left: 44%;
  animation-delay: 2.45s;
}

.signal-cascade span:nth-child(5) {
  left: 57%;
  animation-delay: 2.9s;
}

.signal-cascade span:nth-child(6) {
  left: 69%;
  animation-delay: 3.35s;
}

.signal-cascade span:nth-child(7) {
  left: 80%;
  animation-delay: 3.8s;
}

.signal-cascade span:nth-child(8) {
  left: 91%;
  animation-delay: 4.25s;
}

.signal-core {
  position: absolute;
  top: 28%;
  left: 50%;
  width: min(19.5rem, 48vw);
  transform: translate(-50%, -50%);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 0.9rem;
  padding: clamp(1.2rem, 2.2vw, 1.6rem);
  background: rgba(18, 22, 34, 0.66);
  box-shadow:
    0 1.2rem 2.8rem rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  animation: coreGlide 9.4s ease-in-out infinite;
}

.signal-core span,
.signal-lane span {
  display: block;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.signal-core sup {
  position: relative;
  top: -0.35em;
  margin-left: 0.12rem;
  font-size: 0.48rem;
  letter-spacing: 0;
}

.signal-core strong {
  display: block;
  margin-top: 0.35rem;
  color: #ffffff;
  font-size: clamp(1.45rem, 2.6vw, 2.05rem);
}

.signal-lanes {
  position: absolute;
  inset: auto 5.5% 8.5%;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: clamp(0.55rem, 1vw, 0.85rem);
}

.signal-lane {
  position: relative;
  min-height: clamp(6.25rem, 8vw, 7.5rem);
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 0.85rem;
  padding: clamp(0.85rem, 1.3vw, 1.05rem);
  background: rgba(18, 22, 34, 0.66);
  box-shadow:
    0 1.2rem 2.8rem rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  overflow: hidden;
  backdrop-filter: blur(12px);
  opacity: 0;
  transform: translateY(1rem);
  animation: laneFlow 9.4s ease-in-out infinite;
}

.signal-lane::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  animation: lanePulse 4.2s ease-in-out infinite;
}

.signal-lane strong {
  display: block;
  margin-top: clamp(1rem, 2vw, 1.6rem);
  color: #ffffff;
  font-size: 1rem;
}

.signal-lane:nth-child(1) {
  animation-delay: 0.6s;
}

.signal-lane:nth-child(2) {
  animation-delay: 0.85s;
}

.signal-lane:nth-child(3) {
  animation-delay: 1.1s;
}

.signal-lane:nth-child(4) {
  animation-delay: 1.35s;
}

.signal-lane:nth-child(5) {
  animation-delay: 1.6s;
}

.signal-lane:nth-child(2)::after {
  animation-delay: 0.2s;
}

.signal-lane:nth-child(3)::after {
  animation-delay: 0.4s;
}

.signal-lane:nth-child(4)::after {
  animation-delay: 0.6s;
}

.signal-lane:nth-child(5)::after {
  animation-delay: 0.8s;
}

.section-band,
.resources,
.architecture,
.resource-detail {
  padding: clamp(2.3rem, 5vw, 4.5rem) clamp(1rem, 5vw, 4rem);
}

.section-heading {
  max-width: 58rem;
  margin-bottom: 2.15rem;
}

.section-heading p,
.architecture-copy p,
.resource-card p,
.proof-card p,
.disclaimer p,
.abstract-band li {
  color: var(--muted);
  line-height: var(--copy-line);
}

.proof-grid,
.resource-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.resource-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.proof-card,
.resource-card,
.detail-panel,
.abstract-band {
  border: 1px solid var(--line);
  border-radius: 0.5rem;
  background: var(--panel);
  box-shadow: 0 1.2rem 3.5rem rgba(0, 0, 0, 0.24);
}

.proof-card,
.resource-card {
  padding: 1.15rem;
}

.proof-card strong {
  display: block;
  color: var(--cyan);
  font-size: 1.4rem;
  line-height: var(--heading-line);
}

.proof-card span,
.resource-card span,
.detail-panel span {
  display: block;
  margin: 0.5rem 0 0.75rem;
  color: rgba(216, 222, 236, 0.78);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.proof-card p,
.resource-card p {
  margin-bottom: 0;
  font-size: 0.92rem;
}

.architecture {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(22rem, 1.18fr);
  align-items: center;
  gap: clamp(2rem, 5vw, 4rem);
  border-block: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.architecture-copy > p {
  max-width: 43rem;
}

.architecture-visual {
  margin-top: 0;
  width: min(96%, 70rem);
  max-width: 100%;
  justify-self: center;
}

.architecture-visual img {
  aspect-ratio: 4312 / 2204;
  object-fit: cover;
  object-position: center;
  background: #080910;
}

.flow {
  counter-reset: flow-step;
  display: grid;
  gap: 0.72rem;
  margin-top: 1.9rem;
  max-width: 38.4rem;
}

.flow span {
  counter-increment: flow-step;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  align-items: center;
  gap: 0.85rem;
  border: 1px solid rgba(72, 215, 198, 0.11);
  border-radius: 0.55rem;
  padding: 0.72rem 0.85rem;
  background:
    linear-gradient(90deg, rgba(72, 215, 198, 0.08), rgba(255, 255, 255, 0.018)),
    rgba(18, 22, 34, 0.42);
  color: var(--soft);
  font-weight: 750;
  line-height: var(--copy-line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
}

.flow span::before {
  content: "0" counter(flow-step);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: rgba(72, 215, 198, 0.1);
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.resource-card {
  display: flex;
  min-height: 23rem;
  flex-direction: column;
}

.resource-card h3 {
  margin-bottom: 0.75rem;
  color: var(--cyan);
  line-height: 1.32;
}

.resource-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: auto;
  padding-top: 1rem;
}

.resource-actions a {
  min-height: 2.35rem;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.84rem;
}

.positioning {
  margin: 0 clamp(1rem, 5vw, 4rem) 1rem;
  border: 1px solid rgba(72, 215, 198, 0.32);
  border-radius: 0.55rem;
  padding: clamp(1.2rem, 2.4vw, 2rem);
  background: rgba(72, 215, 198, 0.07);
}

.positioning p {
  margin: 0;
  max-width: 70rem;
  color: #dffcf8;
  font-size: clamp(1rem, 2vw, 1.35rem);
  line-height: var(--copy-line);
}

.resource-detail {
  max-width: 78rem;
  margin-inline: auto;
}

.back-link {
  display: inline-flex;
  margin-bottom: 2rem;
  color: var(--muted);
  font-weight: 700;
}

.resource-detail h1 {
  max-width: 58rem;
  font-size: clamp(2.3rem, 4.8vw, 4.25rem);
  line-height: var(--heading-line);
}

.resource-detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.32fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.detail-panel {
  padding: 1.1rem;
}

.detail-panel strong {
  display: block;
  margin-bottom: 1rem;
  color: var(--soft);
  line-height: var(--copy-line);
}

.abstract-band {
  margin-top: clamp(1.4rem, 3vw, 2rem);
  padding: clamp(1.25rem, 2.5vw, 2rem);
}

.abstract-band ul {
  margin: 0;
  padding-left: 1.2rem;
}

.disclaimer {
  padding: clamp(2.4rem, 5vw, 4rem) clamp(1rem, 5vw, 4rem) 2.8rem;
  color: var(--muted);
}

.disclaimer h2 {
  margin-bottom: 1.25rem;
  color: var(--soft);
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.disclaimer-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(0.9rem, 1.4vw, 1.25rem);
}

.disclaimer-grid section {
  min-height: 100%;
  border: 1px solid rgba(175, 185, 214, 0.17);
  border-radius: 0.65rem;
  padding: clamp(1rem, 1.5vw, 1.25rem);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.018)),
    rgba(18, 22, 34, 0.68);
  box-shadow:
    0 1.2rem 3.2rem rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.disclaimer h3 {
  margin-bottom: 0.65rem;
  color: var(--cyan);
  font-size: 0.88rem;
  line-height: var(--heading-line);
}

.disclaimer p {
  border: 1px solid rgba(72, 215, 198, 0.12);
  border-radius: 0.5rem;
  margin-bottom: 0;
  padding: 0.9rem;
  background: rgba(9, 12, 24, 0.44);
  font-size: 0.78rem;
  line-height: 1.76;
}

@media (max-width: 1100px) {
  .proof-grid,
  .resource-grid,
  .disclaimer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .topbar,
  .hero,
  .architecture,
  .resource-detail-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    position: static;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    overflow-x: auto;
    padding-bottom: 0.1rem;
  }

  .hero {
    min-height: auto;
  }

  .hero-copy .eyebrow {
    white-space: normal;
  }

  .hero-visual,
  .signal-visual,
  .architecture-visual {
    order: -1;
  }
}

@media (max-width: 620px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .brand img {
    width: 10rem;
  }

  .proof-grid,
  .resource-grid,
  .disclaimer-grid {
    grid-template-columns: 1fr;
  }

  .resource-card {
    min-height: auto;
  }

  .signal-visual {
    min-height: 24rem;
  }

  .signal-core {
    top: 20%;
    width: min(17rem, calc(100% - 2rem));
  }

  .signal-path,
  .signal-cascade {
    display: none;
  }

  .signal-lanes {
    grid-template-columns: 1fr;
    inset: auto 1rem 1rem;
  }

  .signal-lane {
    min-height: 3.5rem;
  }
}

@keyframes scanSweep {
  from {
    transform: translateX(0);
  }
  55%,
  to {
    transform: translateX(360%);
  }
}

@keyframes lanePulse {
  0%,
  100% {
    opacity: 0.35;
    transform: scaleX(0.35);
    transform-origin: left;
  }
  50% {
    opacity: 1;
    transform: scaleX(1);
  }
}

@keyframes coreGlide {
  0% {
    opacity: 0;
    transform: translate(-50%, -78%);
  }
  18%,
  72% {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
  100% {
    opacity: 0.88;
    transform: translate(-50%, -54%);
  }
}

@keyframes laneFlow {
  0%,
  12% {
    opacity: 0;
    transform: translateY(1.35rem);
  }
  26%,
  78% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0.66;
    transform: translateY(-0.35rem);
  }
}

@keyframes dataCascade {
  0%,
  16% {
    opacity: 0;
    transform: translateY(-1.2rem) scale(0.94);
  }
  26% {
    opacity: 0.82;
    transform: translateY(2.8rem) scale(1);
  }
  54% {
    opacity: 0.62;
    transform: translateY(8.8rem) scale(0.98);
  }
  100% {
    opacity: 0;
    transform: translateY(13.2rem) scale(0.9);
  }
}