@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-400.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-500.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-600.ttf") format("truetype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}

@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/space-grotesk-700.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono-400.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono-500.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --ink: #08090d;
  --surface: #101118;
  --raised: #171922;
  --raised-2: #1c1f2b;
  --snow: #f2f3f7;
  --fog: #9b9da8;
  --muted: #6d707c;
  --pulse: #3d8bff;
  --pulse-bright: #66a5ff;
  --cyan: #4de6ff;
  --green: #78f7bf;
  --line: rgba(242, 243, 247, 0.09);
  --line-strong: rgba(242, 243, 247, 0.16);
  --container: 1400px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background: var(--ink);
  color: var(--snow);
  font-family: "Space Grotesk", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.menu-open,
body.dialog-open {
  overflow: hidden;
}

::selection {
  background: var(--pulse);
  color: var(--ink);
}

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

button,
input {
  font: inherit;
}

button {
  color: inherit;
}

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

.container {
  width: min(100%, var(--container));
  margin-inline: auto;
  padding-inline: 40px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--snow);
  color: var(--ink);
  transform: translateY(-150%);
  transition: transform 0.2s;
}

.skip-link:focus {
  transform: translateY(0);
}

.sr-only,
.skip-link:not(:focus) {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.site-header {
  position: fixed;
  z-index: 100;
  inset: 0 0 auto;
  border-bottom: 1px solid transparent;
  transition: background 0.3s, border-color 0.3s;
}

.site-header.is-scrolled,
.site-header.menu-visible {
  border-color: var(--line);
  background: rgba(8, 9, 13, 0.82);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
}

.nav-shell {
  width: min(100%, var(--container));
  height: 68px;
  margin-inline: auto;
  padding-inline: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  white-space: nowrap;
}

.brand-mark {
  width: 24px;
  height: 22px;
  color: var(--pulse);
}

.brand-lab,
.brand-project {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
}

.brand-lab span {
  color: var(--pulse);
}

.brand-project {
  color: var(--fog);
  letter-spacing: 0.19em;
}

.brand-divider {
  width: 1px;
  height: 20px;
  margin-inline: 4px;
  background: var(--line-strong);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  position: relative;
  padding-block: 6px;
  color: var(--fog);
  font-size: 0.875rem;
  transition: color 0.2s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: var(--pulse);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease-out);
}

.nav-links a:hover,
.nav-links a:focus-visible,
.nav-links a.is-active {
  color: var(--snow);
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after,
.nav-links a.is-active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-paper {
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--pulse);
  color: #06101e;
  font-size: 0.84rem;
  font-weight: 600;
  transition: transform 0.2s, filter 0.2s;
}

.nav-paper:hover,
.nav-paper:focus-visible {
  filter: brightness(1.12);
  transform: translateY(-1px);
}

.menu-toggle {
  width: 42px;
  height: 42px;
  padding: 0;
  display: none;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(8, 9, 13, 0.5);
  cursor: pointer;
}

.menu-toggle span {
  grid-area: 1 / 1;
  width: 18px;
  height: 2px;
  background: currentColor;
  transition: transform 0.25s var(--ease-out);
}

.menu-toggle span:first-child {
  transform: translateY(-4px);
}

.menu-toggle span:last-child {
  transform: translateY(4px);
}

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

.menu-toggle[aria-expanded="true"] span:last-child {
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #080a10;
}

.hero-media,
.hero-media img,
.hero-scrim,
.hero-grid {
  position: absolute;
  inset: 0;
}

.hero-media {
  background: #070910 url("assets/images/paper-teaser.webp") center / cover no-repeat;
}

.hero-media img {
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center 48%;
  opacity: 0.78;
  filter: saturate(0.92) contrast(1.07) brightness(0.82);
}

.hero-scrim {
  background:
    radial-gradient(circle at 75% 36%, rgba(61, 139, 255, 0.12), transparent 34%),
    linear-gradient(90deg, rgba(8, 9, 13, 0.92) 0%, rgba(8, 9, 13, 0.52) 48%, rgba(8, 9, 13, 0.16) 100%),
    linear-gradient(0deg, var(--ink) 0%, rgba(8, 9, 13, 0.35) 38%, rgba(8, 9, 13, 0.14) 76%);
}

.hero-grid {
  opacity: 0.17;
  background-image:
    linear-gradient(rgba(61, 139, 255, 0.15) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 139, 255, 0.15) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: linear-gradient(90deg, black, transparent 66%);
  mask-image: linear-gradient(90deg, black, transparent 66%);
}

.hero-shell {
  position: relative;
  z-index: 2;
  width: min(100%, var(--container));
  margin-inline: auto;
  padding: 150px 40px 88px;
}

.hero-kicker,
.eyebrow {
  margin: 0;
  color: var(--pulse-bright);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
}

.live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px rgba(77, 230, 255, 0.8);
}

.hero h1 {
  max-width: 1210px;
  margin: 22px 0 0;
  font-size: clamp(3.3rem, 5.8vw, 5.5rem);
  font-weight: 500;
  letter-spacing: -0.058em;
  line-height: 0.94;
}

.hero-title-prefix {
  display: block;
  margin-bottom: 0.38em;
  color: var(--pulse-bright);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.2em;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1;
  text-transform: uppercase;
}

.hero-title-name {
  display: block;
}

.hero-tagline {
  margin: 28px 0 0;
  font-size: clamp(1.45rem, 2.2vw, 2.15rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.hero-tagline span {
  color: var(--pulse-bright);
}

.hero-deck {
  max-width: 660px;
  margin: 16px 0 0;
  color: rgba(242, 243, 247, 0.84);
  font-size: clamp(1.04rem, 1.5vw, 1.28rem);
  line-height: 1.58;
}

.hero-actions,
.paper-actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 50px;
  padding: 0 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s, color 0.2s, filter 0.2s;
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.button-primary {
  background: var(--pulse);
  color: #06101e;
}

.button-ghost {
  border-color: var(--line-strong);
  background: rgba(8, 9, 13, 0.38);
  color: var(--snow);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary:hover,
.button-primary:focus-visible {
  filter: brightness(1.12);
}

.button-ghost:hover,
.button-ghost:focus-visible {
  border-color: rgba(61, 139, 255, 0.55);
  color: var(--pulse-bright);
}

.hero-authors {
  max-width: 820px;
  margin: 30px 0 0;
  color: rgba(242, 243, 247, 0.58);
  font-size: 0.83rem;
  line-height: 1.65;
}

.hero-scroll {
  position: absolute;
  z-index: 3;
  right: 38px;
  top: 50%;
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(242, 243, 247, 0.48);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transform: translateY(-50%) rotate(90deg) translateX(50%);
  transform-origin: right center;
}

.hero-scroll span {
  width: 44px;
  height: 1px;
  background: currentColor;
}

.signal-strip {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: none;
}

.signal-strip::-webkit-scrollbar {
  display: none;
}

.signal-marquee {
  width: max-content;
  display: flex;
  will-change: transform;
}

.signal-track {
  width: max-content;
  min-width: 100vw;
  min-height: 86px;
  padding-inline: 15px;
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
}

.signal-track span {
  color: var(--fog);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  white-space: nowrap;
}

.signal-track i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--pulse);
  box-shadow: 0 0 8px rgba(61, 139, 255, 0.7);
}

.section {
  padding-block: 142px;
  scroll-margin-top: 68px;
}

.section-heading h2,
.scale-copy h2,
.paper-copy h2 {
  max-width: 880px;
  margin: 18px 0 0;
  font-size: clamp(2.8rem, 5.2vw, 5.3rem);
  font-weight: 500;
  letter-spacing: -0.052em;
  line-height: 0.99;
}

.section-intro {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--fog);
  font-size: 1.05rem;
  line-height: 1.7;
}

.why-grid {
  margin-top: 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.75fr);
  gap: 11vw;
  align-items: start;
}

.why-lead {
  margin: 0;
  font-size: clamp(1.55rem, 2.6vw, 2.4rem);
  letter-spacing: -0.03em;
  line-height: 1.32;
}

.why-copy {
  color: var(--fog);
  font-size: 1rem;
  line-height: 1.75;
}

.why-copy p {
  margin: 0;
}

.why-copy p + p {
  margin-top: 20px;
}

.hero-figure {
  margin: 90px 0 0;
}

.hero-figure-frame {
  position: relative;
  width: 100%;
  padding: 0;
  display: block;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: var(--surface);
  color: var(--snow);
  cursor: zoom-in;
  box-shadow: 0 38px 100px rgba(0, 0, 0, 0.38);
}

.hero-figure-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(120deg, rgba(61, 139, 255, 0.06), transparent 45%);
}

.hero-figure img {
  width: 100%;
  height: auto;
}

.figure-open-label {
  position: absolute;
  z-index: 3;
  right: 18px;
  bottom: 18px;
  padding: 9px 13px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(8, 9, 13, 0.72);
  color: rgba(255, 255, 255, 0.82);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

.figure-open:hover .figure-open-label,
.figure-open:focus-visible .figure-open-label {
  border-color: rgba(61, 139, 255, 0.55);
  color: var(--pulse-bright);
  transform: translateY(-2px);
}

.figure-corners i {
  position: absolute;
  z-index: 2;
  width: 34px;
  height: 34px;
  border-color: var(--pulse-bright);
  opacity: 0.72;
}

.figure-corners i:nth-child(1) {
  top: 18px;
  left: 18px;
  border-top: 1px solid;
  border-left: 1px solid;
}

.figure-corners i:nth-child(2) {
  top: 18px;
  right: 18px;
  border-top: 1px solid;
  border-right: 1px solid;
}

.figure-corners i:nth-child(3) {
  bottom: 18px;
  left: 18px;
  border-bottom: 1px solid;
  border-left: 1px solid;
}

.figure-corners i:nth-child(4) {
  right: 18px;
  bottom: 18px;
  border-right: 1px solid;
  border-bottom: 1px solid;
}

.hero-figure figcaption {
  padding: 18px 4px 0;
  display: flex;
  justify-content: space-between;
  gap: 30px;
}

.hero-figure figcaption span {
  font-size: 0.95rem;
  font-weight: 500;
}

.hero-figure figcaption small {
  max-width: 630px;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.55;
  text-align: right;
}

.system {
  border-top: 1px solid var(--line);
  background:
    radial-gradient(circle at 85% 18%, rgba(61, 139, 255, 0.08), transparent 25%),
    var(--surface);
}

.architecture {
  margin-top: 70px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(8, 9, 13, 0.65);
}

.architecture-canvas {
  position: relative;
  min-height: 410px;
  padding: 66px 44px;
  display: grid;
  grid-template-columns: minmax(145px, 1fr) 58px minmax(160px, 1fr) 58px minmax(155px, 1fr) 58px minmax(145px, 1fr);
  align-items: center;
  background-image:
    linear-gradient(rgba(61, 139, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 139, 255, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
}

.architecture-canvas::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 47% 50%, rgba(61, 139, 255, 0.13), transparent 24%);
  pointer-events: none;
}

.arch-node {
  position: relative;
  z-index: 2;
  min-height: 234px;
  padding: 22px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: rgba(16, 17, 24, 0.88);
  text-align: left;
  cursor: pointer;
  transition: transform 0.32s var(--ease-out), border-color 0.25s, background 0.25s, box-shadow 0.25s;
}

.arch-node:hover,
.arch-node:focus-visible {
  transform: translateY(-5px);
  border-color: rgba(61, 139, 255, 0.42);
}

.arch-node.is-active {
  border-color: rgba(61, 139, 255, 0.72);
  background: linear-gradient(145deg, rgba(61, 139, 255, 0.16), rgba(16, 17, 24, 0.94) 58%);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.24), inset 0 0 0 1px rgba(61, 139, 255, 0.08);
}

.node-index {
  position: absolute;
  top: 18px;
  right: 18px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.62rem;
}

.arch-node strong {
  margin-top: 24px;
  font-size: 0.98rem;
  font-weight: 500;
}

.arch-node small {
  margin-top: 7px;
  color: var(--muted);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.56rem;
  letter-spacing: 0.05em;
  line-height: 1.5;
  text-transform: uppercase;
}

.node-glyph {
  position: absolute;
  top: 58px;
  left: 22px;
  width: 68px;
  height: 60px;
}

.logic-glyph i {
  position: absolute;
  left: 0;
  width: 64px;
  height: 11px;
  border: 1px solid rgba(102, 165, 255, 0.62);
  border-radius: 4px;
  background: rgba(61, 139, 255, 0.12);
  box-shadow: inset 12px 0 rgba(61, 139, 255, 0.24), inset 30px 0 rgba(77, 230, 255, 0.1);
}

.logic-glyph i:nth-child(1) { top: 0; }
.logic-glyph i:nth-child(2) { top: 22px; width: 52px; }
.logic-glyph i:nth-child(3) { top: 44px; width: 60px; }

.state-glyph {
  display: grid;
  grid-template-columns: repeat(2, 25px);
  gap: 6px;
}

.state-glyph i {
  height: 25px;
  border: 1px solid rgba(77, 230, 255, 0.64);
  border-radius: 5px;
  background: linear-gradient(135deg, rgba(77, 230, 255, 0.24), rgba(61, 139, 255, 0.08));
}

.render-glyph {
  border: 1px solid rgba(102, 165, 255, 0.64);
  border-radius: 7px;
  background:
    radial-gradient(circle at 30% 40%, var(--cyan) 0 3px, transparent 4px),
    radial-gradient(circle at 66% 62%, #ff6ace 0 3px, transparent 4px),
    linear-gradient(rgba(61, 139, 255, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 139, 255, 0.12) 1px, transparent 1px);
  background-size: auto, auto, 12px 12px, 12px 12px;
}

.client-stack {
  position: absolute;
  top: 54px;
  left: 22px;
  width: 76px;
  height: 64px;
}

.client-stack i {
  position: absolute;
  width: 36px;
  height: 25px;
  border: 1px solid rgba(102, 165, 255, 0.58);
  border-radius: 5px;
  background:
    radial-gradient(circle at 50% 70%, var(--cyan) 0 2px, transparent 3px),
    #111b2b;
}

.client-stack i:nth-child(1) { top: 0; left: 0; }
.client-stack i:nth-child(2) { top: 0; left: 42px; }
.client-stack i:nth-child(3) { top: 33px; left: 0; }
.client-stack i:nth-child(4) { top: 33px; left: 42px; }

.arch-arrow {
  position: relative;
  z-index: 2;
  display: block;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, rgba(61, 139, 255, 0.2), rgba(61, 139, 255, 0.9));
}

.arch-arrow::after {
  content: "";
  position: absolute;
  top: -3px;
  right: 0;
  width: 7px;
  height: 7px;
  border-top: 1px solid var(--pulse-bright);
  border-right: 1px solid var(--pulse-bright);
  transform: rotate(45deg);
}

.arch-arrow i {
  position: absolute;
  top: -2px;
  left: 46%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(77, 230, 255, 0.8);
}

.architecture-detail {
  min-height: 225px;
  padding: 38px 44px 42px;
  display: grid;
  grid-template-columns: 120px minmax(250px, 0.8fr) minmax(350px, 1.2fr);
  grid-template-rows: auto auto;
  column-gap: 42px;
  align-items: start;
  border-top: 1px solid var(--line);
  background: var(--raised);
}

.detail-index {
  grid-row: 1 / 3;
  margin: 4px 0 0;
  color: var(--pulse-bright);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.architecture-detail h3 {
  margin: 0;
  font-size: clamp(1.5rem, 2.2vw, 2.1rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.architecture-detail > p:not(.detail-index) {
  margin: 0;
  color: var(--fog);
  font-size: 0.95rem;
  line-height: 1.7;
}

.detail-tags {
  grid-column: 2 / 4;
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.detail-tags span,
.demo-meta i {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fog);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.57rem;
  font-style: normal;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.scale {
  background: var(--ink);
}

.scale-copy {
  display: grid;
  grid-template-columns: 1.45fr 0.7fr;
  gap: 9vw;
  align-items: end;
}

.scale-copy h2 span {
  color: var(--pulse-bright);
}

.scale-copy > p {
  margin: 0 0 8px;
  color: var(--fog);
  font-size: 0.96rem;
  line-height: 1.72;
}

.report-figure-shell {
  margin-top: 72px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 20px;
  background: var(--surface);
  box-shadow: 0 36px 110px rgba(0, 0, 0, 0.44);
}

.report-figure {
  position: relative;
  width: 100%;
  padding: 0;
  display: block;
  overflow: hidden;
  border: 0;
  background: #fff;
  cursor: zoom-in;
}

.report-figure img {
  width: 100%;
  height: auto;
  transition: transform 0.7s var(--ease-out), filter 0.35s;
}

.report-figure:hover img,
.report-figure:focus-visible img {
  transform: scale(1.012);
  filter: brightness(1.03);
}

.report-figure-caption {
  min-height: 74px;
  padding: 18px 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--line);
}

.report-figure-caption span {
  color: var(--pulse-bright);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.report-figure-caption p {
  max-width: 760px;
  margin: 0;
  color: var(--fog);
  font-size: 0.84rem;
  line-height: 1.6;
}

.evidence {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.stat-grid {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.stat-card {
  min-height: 310px;
  padding: 36px 36px 40px;
  border-right: 1px solid var(--line);
}

.stat-card:last-child {
  border-right: 0;
}

.stat-value {
  margin: 0;
  color: var(--pulse-bright);
  font-family: "JetBrains Mono", monospace;
  font-size: clamp(3.8rem, 6.5vw, 6.2rem);
  letter-spacing: -0.08em;
  line-height: 1;
}

.stat-card h3 {
  margin: 45px 0 0;
  font-size: 1.15rem;
  font-weight: 500;
}

.stat-card > p:last-child {
  max-width: 340px;
  margin: 13px 0 0;
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.65;
}

.comparison-layout {
  margin-top: 120px;
  display: grid;
  grid-template-columns: 0.62fr minmax(520px, 1fr);
  gap: 7vw;
  align-items: center;
}

.comparison-copy h3 {
  max-width: 430px;
  margin: 17px 0 0;
  font-size: clamp(2rem, 3.5vw, 3.4rem);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.04;
}

.comparison-copy > p:not(.eyebrow) {
  max-width: 490px;
  margin: 25px 0 0;
  color: var(--fog);
  line-height: 1.72;
}

.comparison-copy .fineprint {
  padding-left: 13px;
  border-left: 1px solid var(--pulse);
  color: var(--muted) !important;
  font-size: 0.75rem;
}

.comparison-widget {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: #03050a;
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.34);
  touch-action: none;
}

.comparison-image {
  position: absolute;
  inset: 0;
}

.comparison-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comparison-image span {
  position: absolute;
  top: 18px;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: rgba(8, 9, 13, 0.62);
  color: rgba(255, 255, 255, 0.86);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.58rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.comparison-baseline span { right: 18px; }
.comparison-mass span { left: 18px; }

.comparison-mass {
  clip-path: inset(0 calc(100% - var(--split)) 0 0);
}

.comparison-divider {
  position: absolute;
  z-index: 4;
  top: 0;
  bottom: 0;
  left: var(--split);
  width: 1px;
  background: rgba(255, 255, 255, 0.92);
  pointer-events: none;
}

.comparison-divider i {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.52);
  border-radius: 50%;
  background: rgba(8, 9, 13, 0.75);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.34);
  transform: translate(-50%, -50%);
  -webkit-backdrop-filter: blur(7px);
  backdrop-filter: blur(7px);
}

.comparison-divider i::before,
.comparison-divider i::after {
  content: "";
  position: absolute;
  top: 16px;
  width: 8px;
  height: 8px;
  border-top: 1px solid white;
  border-left: 1px solid white;
}

.comparison-divider i::before {
  left: 11px;
  transform: rotate(-45deg);
}

.comparison-divider i::after {
  right: 11px;
  transform: rotate(135deg);
}

.comparison-widget input[type="range"] {
  position: absolute;
  z-index: 5;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  appearance: none;
  background: transparent;
  cursor: ew-resize;
  opacity: 0;
}

.demos {
  background: var(--ink);
}

.demo-grid {
  margin-top: 72px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.demo-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  transition: transform 0.35s var(--ease-out), border-color 0.3s;
}

.demo-card:hover {
  border-color: rgba(61, 139, 255, 0.36);
  transform: translateY(-5px);
}

.demo-media {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  padding: 0;
  overflow: hidden;
  border: 0;
  background: #03050a;
  cursor: pointer;
}

.demo-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(8, 9, 13, 0.42), transparent 38%);
  pointer-events: none;
}

.demo-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out), filter 0.4s;
}

.paper-figure-media {
  background: #fff;
  cursor: zoom-in;
}

.paper-figure-media img {
  object-fit: contain;
}

.demo-media:hover img,
.demo-media:focus-visible img {
  transform: scale(1.025);
  filter: brightness(1.08);
}

.demo-expand {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 50%;
  background: rgba(8, 9, 13, 0.56);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transform: translate(-50%, -50%);
  transition: transform 0.25s var(--ease-out), background 0.25s;
}

.demo-expand svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.demo-media:hover .demo-expand,
.demo-media:focus-visible .demo-expand {
  background: var(--pulse);
  color: #07101d;
  transform: translate(-50%, -50%) scale(1.07);
}

.figure-index {
  position: absolute;
  z-index: 2;
  right: 16px;
  bottom: 14px;
  padding: 6px 9px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(8, 9, 13, 0.72);
  color: rgba(255, 255, 255, 0.82);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.54rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.demo-copy {
  padding: 30px 32px 34px;
}

.demo-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.demo-meta span {
  color: var(--pulse-bright);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.demo-meta i {
  padding: 4px 8px;
  font-size: 0.52rem;
}

.demo-copy h3 {
  margin: 19px 0 0;
  font-size: clamp(1.45rem, 2.3vw, 2.45rem);
  font-weight: 500;
  letter-spacing: -0.038em;
  line-height: 1.08;
}

.demo-copy > p {
  margin: 18px 0 0;
  color: var(--fog);
  font-size: 0.9rem;
  line-height: 1.68;
}

.demo-copy > small {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.68rem;
  line-height: 1.55;
}

.paper {
  padding-top: 40px;
}

.paper-panel {
  position: relative;
  overflow: hidden;
  min-height: 540px;
  padding: 72px;
  display: grid;
  grid-template-columns: 1.25fr 0.7fr;
  gap: 8vw;
  align-items: end;
  border: 1px solid rgba(61, 139, 255, 0.24);
  border-radius: 22px;
  background:
    radial-gradient(circle at 82% 22%, rgba(61, 139, 255, 0.26), transparent 26%),
    linear-gradient(rgba(61, 139, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 139, 255, 0.055) 1px, transparent 1px),
    #10131c;
  background-size: auto, 36px 36px, 36px 36px, auto;
}

.paper-panel::after {
  content: "MASS";
  position: absolute;
  top: -0.18em;
  right: -0.05em;
  color: rgba(61, 139, 255, 0.035);
  font-size: clamp(12rem, 28vw, 30rem);
  font-weight: 700;
  letter-spacing: -0.09em;
  line-height: 1;
  pointer-events: none;
}

.paper-copy,
.paper-affiliations {
  position: relative;
  z-index: 1;
}

.paper-copy h2 {
  max-width: 780px;
  font-size: clamp(2.5rem, 4.8vw, 4.8rem);
}

.paper-copy > p:not(.eyebrow) {
  max-width: 690px;
  margin: 28px 0 0;
  color: var(--fog);
  line-height: 1.72;
}

.paper-affiliations {
  display: grid;
  gap: 22px;
}

.paper-affiliations p {
  margin: 0;
  color: rgba(242, 243, 247, 0.75);
  font-size: 0.82rem;
  line-height: 1.65;
}

.paper-affiliations span {
  margin-bottom: 5px;
  display: block;
  color: var(--pulse-bright);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.57rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-footer {
  margin-top: 100px;
  border-top: 1px solid var(--line);
  background: #07080c;
}

.footer-grid {
  padding-block: 72px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 80px;
}

.footer-mission {
  max-width: 410px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
}

.footer-links div {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.footer-links p {
  margin: 0 0 8px;
  color: var(--snow);
  font-size: 0.78rem;
  font-weight: 500;
}

.footer-links a {
  width: fit-content;
  color: var(--muted);
  font-size: 0.8rem;
  transition: color 0.2s;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: var(--pulse-bright);
}

.footer-bottom {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: #555863;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.image-dialog {
  width: min(1440px, calc(100vw - 48px));
  max-height: calc(100vh - 48px);
  max-width: none;
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  background: #08090d;
  color: var(--snow);
  box-shadow: 0 45px 140px rgba(0, 0, 0, 0.72);
}

.image-dialog::backdrop {
  background: rgba(2, 3, 6, 0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.dialog-inner {
  width: 100%;
}

.dialog-bar {
  min-height: 62px;
  padding-inline: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.dialog-bar p {
  margin: 0;
  color: var(--fog);
  font-size: 0.84rem;
}

.dialog-bar button {
  padding: 8px 0 8px 16px;
  border: 0;
  background: transparent;
  color: var(--fog);
  font-size: 0.75rem;
  cursor: pointer;
}

.dialog-bar button span {
  margin-left: 6px;
  color: var(--snow);
  font-size: 1.3rem;
  vertical-align: -2px;
}

.image-dialog-stage {
  max-height: calc(100vh - 112px);
  overflow: auto;
  display: grid;
  place-items: center;
  background: #f4f5f7;
}

.image-dialog-stage img {
  width: 100%;
  height: auto;
  max-width: none;
}

.toast {
  position: fixed;
  z-index: 200;
  left: 50%;
  bottom: 28px;
  padding: 11px 17px;
  border: 1px solid rgba(120, 247, 191, 0.36);
  border-radius: 999px;
  background: rgba(10, 22, 18, 0.9);
  color: var(--green);
  font-size: 0.78rem;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 16px);
  transition: opacity 0.25s, transform 0.25s var(--ease-out);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (prefers-reduced-motion: no-preference) {
  .signal-marquee {
    animation: signal-scroll 32s linear infinite;
  }

  .signal-strip:hover .signal-marquee {
    animation-play-state: paused;
  }

  @keyframes signal-scroll {
    to { transform: translate3d(-50%, 0, 0); }
  }

  .hero-enter {
    transform: translateY(28px);
    animation: hero-in 0.85s var(--ease-out) forwards;
  }

  .hero-enter.delay-1 { animation-delay: 0.12s; }
  .hero-enter.delay-2 { animation-delay: 0.24s; }
  .hero-enter.delay-3 { animation-delay: 0.36s; }

  @keyframes hero-in {
    to { transform: translateY(0); }
  }

  .js .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.75s var(--ease-out), transform 0.75s var(--ease-out);
  }

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

@media (max-width: 1120px) {
  .architecture-canvas {
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
  }

  .arch-arrow {
    display: none;
  }

  .architecture-detail {
    grid-template-columns: 90px 0.8fr 1.1fr;
    column-gap: 26px;
  }

  .comparison-layout {
    grid-template-columns: 0.7fr minmax(450px, 1fr);
    gap: 5vw;
  }
}

@media (max-width: 900px) {
  .container,
  .nav-shell,
  .hero-shell {
    padding-inline: 24px;
  }

  .menu-toggle {
    display: grid;
  }

  .nav-links {
    position: fixed;
    z-index: -1;
    inset: 68px 0 auto;
    height: calc(100svh - 68px);
    padding: 54px 24px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    border-top: 1px solid var(--line);
    background: rgba(8, 9, 13, 0.97);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.25s, transform 0.25s var(--ease-out);
  }

  .nav-links.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-links a {
    width: 100%;
    padding: 13px 0;
    font-size: 1.8rem;
    font-weight: 500;
    letter-spacing: -0.03em;
  }

  .nav-links a::after {
    display: none;
  }

  .hero h1 {
    font-size: clamp(3.15rem, 8.6vw, 5.4rem);
  }

  .hero-scroll {
    display: none;
  }

  .section {
    padding-block: 110px;
  }

  .why-grid,
  .scale-copy,
  .comparison-layout,
  .paper-panel,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .why-grid {
    gap: 38px;
  }

  .hero-figure {
    margin-top: 64px;
  }

  .architecture-canvas {
    min-height: 0;
    padding: 30px;
    grid-template-columns: repeat(2, 1fr);
  }

  .architecture-detail {
    grid-template-columns: 80px 1fr;
  }

  .architecture-detail > p:not(.detail-index) {
    grid-column: 2;
    margin-top: 16px;
  }

  .detail-tags {
    grid-column: 2;
  }

  .scale-copy {
    gap: 32px;
  }

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

  .stat-card {
    min-height: 0;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat-card:last-child {
    border-bottom: 0;
  }

  .stat-card h3 {
    margin-top: 28px;
  }

  .comparison-layout {
    gap: 48px;
  }

  .comparison-widget {
    width: min(100%, 680px);
  }

  .paper-panel {
    padding: 52px;
    gap: 52px;
  }
}

@media (max-width: 640px) {
  .container,
  .nav-shell,
  .hero-shell {
    padding-inline: 18px;
  }

  .brand-project,
  .brand-divider {
    display: none;
  }

  .nav-paper {
    display: none;
  }

  .hero-shell {
    padding-top: 120px;
    padding-bottom: 122px;
  }

  .hero h1 {
    font-size: clamp(2.65rem, 11.2vw, 3.75rem);
    line-height: 0.98;
  }

  .hero-title-prefix {
    margin-bottom: 0.5em;
    font-size: 0.28em;
  }

  .hero-tagline {
    margin-top: 24px;
    font-size: 1.35rem;
  }

  .hero-deck {
    margin-top: 14px;
    font-size: 0.98rem;
  }

  .hero-actions,
  .paper-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-authors {
    display: none;
  }

  .signal-track {
    justify-content: flex-start;
    padding-inline: 22px;
  }

  .section {
    padding-block: 86px;
  }

  .section-heading h2,
  .scale-copy h2,
  .paper-copy h2 {
    font-size: clamp(2.4rem, 12vw, 3.4rem);
  }

  .why-grid {
    margin-top: 48px;
  }

  .why-lead {
    font-size: 1.4rem;
  }

  .hero-figure figcaption {
    flex-direction: column;
    gap: 8px;
  }

  .hero-figure figcaption small {
    text-align: left;
  }

  .architecture {
    margin-top: 48px;
    border-radius: 14px;
  }

  .architecture-canvas {
    padding: 16px;
    grid-template-columns: 1fr;
  }

  .arch-node {
    min-height: 148px;
  }

  .node-glyph,
  .client-stack {
    top: 34px;
  }

  .architecture-detail {
    padding: 28px 22px;
    grid-template-columns: 1fr;
  }

  .detail-index,
  .architecture-detail > p:not(.detail-index),
  .detail-tags {
    grid-column: 1;
    grid-row: auto;
  }

  .architecture-detail h3 {
    margin-top: 14px;
  }

  .architecture-detail > p:not(.detail-index) {
    margin-top: 17px;
  }

  .detail-tags {
    margin-top: 22px;
  }

  .report-figure-shell {
    margin-top: 48px;
    border-radius: 14px;
  }

  .report-figure-caption {
    padding: 16px;
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .stat-grid {
    margin-top: 48px;
  }

  .stat-card {
    padding: 30px 0;
  }

  .stat-value {
    font-size: 4.1rem;
  }

  .comparison-layout {
    margin-top: 82px;
  }

  .comparison-copy h3 {
    font-size: 2.2rem;
  }

  .comparison-widget {
    border-radius: 13px;
  }

  .demo-grid {
    margin-top: 48px;
    grid-template-columns: 1fr;
  }

  .demo-card {
    border-radius: 14px;
  }

  .demo-copy {
    padding: 26px 22px 28px;
  }

  .demo-copy h3 {
    font-size: 1.6rem;
  }

  .paper {
    padding-top: 20px;
  }

  .paper-panel {
    min-height: 0;
    padding: 38px 22px;
    border-radius: 15px;
  }

  .site-footer {
    margin-top: 58px;
  }

  .footer-grid {
    padding-block: 54px;
    gap: 48px;
  }

  .footer-links {
    gap: 18px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 7px;
  }

  .image-dialog {
    width: calc(100vw - 20px);
    border-radius: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .signal-strip {
    overflow-x: auto;
  }

  .signal-track[aria-hidden="true"] {
    display: none;
  }
}