:root {
  --bg: #07110f;
  --panel: #0b1714;
  --panel-2: #0f1e1a;
  --line: #1a322c;
  --text: #eef8f3;
  --muted: #92aaa1;
  --mint: #6fffc1;
  --mint-2: #21d997;
  --blue: #7db7ff;
  --radius: 20px;
  --max: 1180px;
  color-scheme: dark;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}
body:before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(111, 255, 193, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(111, 255, 193, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 70%);
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input {
  font: inherit;
}
.skip-link {
  position: fixed;
  top: -50px;
  left: 1rem;
  background: var(--mint);
  color: #02100a;
  padding: 0.7rem 1rem;
  z-index: 100;
  border-radius: 8px;
}
.skip-link:focus {
  top: 1rem;
}
.ambient {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  opacity: 0.15;
}
.ambient-one {
  width: 540px;
  height: 540px;
  background: #20e69b;
  right: -180px;
  top: 80px;
}
.ambient-two {
  width: 420px;
  height: 420px;
  background: #266fdf;
  left: -260px;
  top: 700px;
}
.nav-shell {
  position: sticky;
  top: 0;
  z-index: 20;
  padding: 16px 24px;
  background: linear-gradient(
    to bottom,
    rgba(7, 17, 15, 0.94),
    rgba(7, 17, 15, 0.72)
  );
  backdrop-filter: blur(18px);
}
.nav {
  max-width: var(--max);
  height: 64px;
  margin: auto;
  padding: 0 16px 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(111, 255, 193, 0.13);
  background: rgba(11, 23, 20, 0.72);
  border-radius: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.15em;
}
.brand svg {
  width: 28px;
  fill: var(--mint);
}
.brand-dot {
  color: var(--mint);
}
.nav-links {
  display: flex;
  gap: 34px;
  color: var(--muted);
  font-size: 0.87rem;
}
.nav-links a:hover,
.nav-links a:focus {
  color: var(--text);
}
.section {
  position: relative;
  max-width: var(--max);
  margin: auto;
  padding: 120px 24px;
}
.hero {
  min-height: 780px;
  padding-top: 110px;
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  align-items: center;
  gap: 72px;
}
.eyebrow {
  color: var(--mint);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.pulse {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 6px rgba(111, 255, 193, 0.1);
  animation: pulse 2s ease infinite;
}
.hero h1 {
  margin: 22px 0 24px;
  font-size: clamp(3.7rem, 7vw, 6.8rem);
  line-height: 0.91;
  letter-spacing: -0.065em;
}
.hero h1 span {
  color: var(--mint);
}
.hero-lede {
  max-width: 650px;
  color: #b5c8c0;
  font-size: 1.18rem;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 34px;
}
.button {
  min-height: 50px;
  padding: 0 20px;
  border: 1px solid transparent;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-weight: 750;
  font-size: 0.88rem;
  cursor: pointer;
  transition:
    transform 0.2s,
    border-color 0.2s,
    background 0.2s;
}
.button:hover {
  transform: translateY(-2px);
}
.button-primary {
  background: var(--mint);
  color: #03110b;
  box-shadow: 0 12px 40px rgba(54, 233, 158, 0.13);
}
.button-primary:hover {
  background: #93ffd1;
}
.button-secondary {
  background: #132720;
  border-color: #26483e;
  color: var(--text);
}
.button-secondary:hover,
.button-ghost:hover {
  border-color: var(--mint);
}
.button-ghost {
  background: transparent;
  border-color: var(--line);
  color: #b7ccc3;
}
.button-compact {
  min-height: 38px;
  padding: 0 14px;
  font-size: 0.76rem;
}
.install-row {
  margin-top: 28px;
  max-width: 410px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 14px 13px 18px;
  border: 1px solid var(--line);
  background: rgba(4, 12, 9, 0.55);
  border-radius: 11px;
  color: #b7ccc3;
}
.install-row code {
  font-size: 0.88rem;
}
.copy-button {
  border: 0;
  background: none;
  color: var(--mint);
  cursor: pointer;
  font-size: 0.75rem;
  font-weight: 800;
}
.hero-visual {
  position: relative;
  min-height: 520px;
  display: grid;
  place-items: center;
}
.orbit {
  position: absolute;
  border: 1px solid rgba(111, 255, 193, 0.14);
  border-radius: 50%;
  animation: spin 30s linear infinite;
}
.orbit:after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 20px var(--mint);
  left: 50%;
  top: -4px;
}
.orbit-a {
  width: 460px;
  height: 460px;
}
.orbit-b {
  width: 340px;
  height: 340px;
  animation-direction: reverse;
  animation-duration: 24s;
}
.kernel-card {
  position: relative;
  width: min(370px, 85vw);
  padding: 26px;
  border: 1px solid rgba(111, 255, 193, 0.24);
  background: linear-gradient(
    145deg,
    rgba(16, 37, 31, 0.94),
    rgba(6, 16, 13, 0.98)
  );
  border-radius: 24px;
  box-shadow:
    0 40px 100px rgba(0, 0, 0, 0.42),
    inset 0 1px rgba(255, 255, 255, 0.03);
  transform: rotate(-2deg);
}
.kernel-header,
.kernel-meta {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
}
.status {
  color: var(--mint);
}
.kernel-prime {
  margin-top: 52px;
  font-size: 5.2rem;
  line-height: 1;
  font-weight: 250;
  letter-spacing: -0.07em;
}
.kernel-label {
  margin: 8px 0 40px;
  color: var(--mint);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
}
.signal {
  height: 74px;
  display: flex;
  align-items: end;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.signal i {
  height: var(--h);
  flex: 1;
  background: linear-gradient(to top, var(--mint-2), var(--mint));
  border-radius: 2px;
  animation: breathe 2.6s ease-in-out infinite alternate;
}
.signal i:nth-child(2n) {
  animation-delay: -0.9s;
}
.kernel-meta {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 9px;
}
.kernel-meta strong {
  color: var(--text);
  text-align: right;
}
.proof-strip {
  position: relative;
  max-width: var(--max);
  margin: auto;
  padding: 28px 24px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.proof-strip div {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  border-right: 1px solid var(--line);
}
.proof-strip div:last-child {
  border: 0;
}
.proof-strip strong {
  font-size: 1.6rem;
}
.proof-strip span {
  color: var(--muted);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}
.section-heading {
  max-width: 730px;
}
.section-heading h2,
.final-cta h2 {
  margin: 16px 0 18px;
  font-size: clamp(2.5rem, 5vw, 4.7rem);
  line-height: 1;
  letter-spacing: -0.05em;
}
.section-heading p,
.final-cta p {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}
.lab {
  margin-top: 58px;
  display: grid;
  grid-template-columns: 360px 1fr;
  min-height: 530px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
}
.lab-controls {
  padding: 36px;
  border-right: 1px solid var(--line);
  background: rgba(4, 13, 10, 0.38);
}
.lab-controls label {
  display: flex;
  justify-content: space-between;
  margin: 0 0 10px;
  font-size: 0.8rem;
  font-weight: 800;
}
.lab-controls label span {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 500;
}
.lab-controls input {
  width: 100%;
  margin-bottom: 26px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #07120f;
  color: var(--text);
  outline: none;
}
.lab-controls input:focus {
  border-color: var(--mint);
  box-shadow: 0 0 0 3px rgba(111, 255, 193, 0.08);
}
.control-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}
.control-row .button-ghost {
  grid-column: 1/-1;
  min-height: 40px;
}
.lab-error {
  min-height: 38px;
  color: #ff9c9c;
  font-size: 0.78rem;
  line-height: 1.45;
}
.equation {
  margin-top: 20px;
  padding: 16px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 0.7rem;
}
.equation code {
  color: var(--mint);
  font-size: 0.85rem;
  overflow-wrap: anywhere;
}
.lab-output {
  padding: 34px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.output-head {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
}
.state-vector {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 28px 0;
}
.state-vector span {
  min-width: 68px;
  padding: 13px 12px;
  text-align: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #08130f;
  color: var(--mint);
  font:
    700 0.9rem ui-monospace,
    monospace;
}
#signal-canvas {
  width: 100%;
  height: 260px;
  margin-top: auto;
  border-radius: 12px;
  background: #08130f;
}
.output-foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 18px;
}
.output-foot div {
  padding: 14px;
  border-left: 2px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.output-foot span {
  color: var(--muted);
  font-size: 0.68rem;
}
.output-foot strong {
  font-size: 0.92rem;
}
.evidence-section {
  padding-top: 150px;
}
.evidence-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.evidence-card {
  min-height: 330px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(145deg, var(--panel), rgba(8, 19, 15, 0.7));
  transition:
    transform 0.3s,
    border-color 0.3s;
}
.evidence-card:hover {
  transform: translateY(-6px);
  border-color: #315a4e;
}
.card-index {
  color: var(--mint);
  font:
    700 0.7rem ui-monospace,
    monospace;
}
.evidence-card h3 {
  margin: 54px 0 12px;
  font-size: 1.35rem;
}
.evidence-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}
.evidence-card strong {
  margin-top: auto;
  color: var(--text);
}
.evidence-card a {
  margin-top: 16px;
  color: var(--mint);
  font-size: 0.8rem;
  font-weight: 700;
}
.evidence-boundary {
  margin: 30px auto 0;
  max-width: 780px;
  color: var(--muted);
  text-align: center;
  font-size: 0.78rem;
  line-height: 1.6;
}
.architecture-flow {
  margin-top: 58px;
  display: flex;
  align-items: stretch;
  gap: 13px;
}
.architecture-flow > i {
  align-self: center;
  color: #3a6256;
}
.flow-node {
  flex: 1;
  min-height: 155px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}
.flow-node.active {
  border-color: rgba(111, 255, 193, 0.48);
  box-shadow: inset 0 0 40px rgba(40, 224, 149, 0.04);
}
.flow-node span {
  color: var(--mint);
  font:
    700 0.65rem ui-monospace,
    monospace;
}
.flow-node strong {
  margin-top: auto;
}
.flow-node small {
  margin-top: 7px;
  color: var(--muted);
}
.final-cta {
  margin-bottom: 90px;
  padding: 72px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
  border: 1px solid rgba(111, 255, 193, 0.22);
  border-radius: 24px;
  background:
    radial-gradient(circle at 90% 0, rgba(49, 213, 151, 0.13), transparent 38%),
    var(--panel);
}
.final-cta h2 {
  font-size: clamp(2.5rem, 5vw, 4rem);
}
footer {
  max-width: var(--max);
  margin: auto;
  padding: 38px 24px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}
footer div {
  display: flex;
  gap: 24px;
}
footer a:hover {
  color: var(--mint);
}
.reveal {
  opacity: 1;
  transform: none;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
@keyframes pulse {
  50% {
    box-shadow: 0 0 0 10px rgba(111, 255, 193, 0);
  }
}
@keyframes breathe {
  to {
    opacity: 0.5;
    transform: scaleY(0.7);
    transform-origin: bottom;
  }
}
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
  .hero {
    grid-template-columns: 1fr;
    padding-top: 70px;
  }
  .hero-copy {
    text-align: center;
  }
  .hero-lede,
  .install-row {
    margin-left: auto;
    margin-right: auto;
  }
  .hero-actions {
    justify-content: center;
  }
  .hero-visual {
    min-height: 450px;
  }
  .lab {
    grid-template-columns: 1fr;
  }
  .lab-controls {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .evidence-grid {
    grid-template-columns: 1fr;
  }
  .architecture-flow {
    display: grid;
    grid-template-columns: 1fr;
  }
  .architecture-flow > i {
    display: none;
  }
  .final-cta {
    align-items: flex-start;
    flex-direction: column;
  }
  .proof-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .proof-strip div:nth-child(2) {
    border: 0;
  }
}
@media (max-width: 600px) {
  .nav-shell {
    padding: 10px;
  }
  .nav {
    height: 56px;
  }
  .nav .button {
    display: none;
  }
  .section {
    padding: 86px 18px;
  }
  .hero {
    padding-top: 55px;
    min-height: auto;
    gap: 30px;
  }
  .hero h1 {
    font-size: 3.35rem;
  }
  .hero-lede {
    font-size: 1rem;
  }
  .hero-visual {
    min-height: 390px;
  }
  .orbit-a {
    width: 350px;
    height: 350px;
  }
  .orbit-b {
    width: 280px;
    height: 280px;
  }
  .kernel-card {
    padding: 22px;
  }
  .kernel-prime {
    font-size: 4rem;
  }
  .proof-strip {
    margin-top: 45px;
    padding-left: 14px;
    padding-right: 14px;
  }
  .proof-strip strong {
    font-size: 1.25rem;
  }
  .proof-strip span {
    font-size: 0.58rem;
  }
  .lab {
    margin-top: 38px;
  }
  .lab-controls,
  .lab-output {
    padding: 24px;
  }
  .control-row {
    grid-template-columns: 1fr;
  }
  .control-row .button-ghost {
    grid-column: auto;
  }
  .output-foot {
    grid-template-columns: 1fr;
  }
  .architecture-section {
    padding-top: 60px;
  }
  .final-cta {
    margin: 30px 12px 70px;
    padding: 36px 24px;
  }
  footer {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
}