:root {
  color-scheme: dark;
  --bg: #081013;
  --panel: #101b1f;
  --panel-strong: #13252b;
  --text: #edf7f4;
  --muted: #9eb6b4;
  --line: rgba(237, 247, 244, 0.14);
  --cyan: #49d8df;
  --green: #9af071;
  --amber: #ffc857;
  --red: #ff6b6b;
  --ink: #071012;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    linear-gradient(180deg, rgba(73, 216, 223, 0.08), transparent 28rem),
    linear-gradient(135deg, rgba(154, 240, 113, 0.07), transparent 34rem),
    linear-gradient(315deg, rgba(255, 200, 87, 0.05), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 4rem);
  background: rgba(8, 16, 19, 0.84);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  color: var(--text);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.8rem;
  color: var(--muted);
  font-size: 0.92rem;
}

nav a {
  text-decoration: none;
}

nav a:hover {
  color: var(--text);
}

main {
  width: calc(100% - 2rem);
  max-width: 1140px;
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
  gap: clamp(1.5rem, 5vw, 4rem);
  align-items: center;
  min-height: calc(100vh - 74px);
  padding: clamp(3rem, 8vw, 6rem) 0;
}

.hero-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 1.25rem;
  font-size: clamp(2.85rem, 8vw, 6.35rem);
  line-height: 0.94;
  letter-spacing: 0;
  overflow-wrap: break-word;
}

h2 {
  margin-bottom: 1rem;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 0.55rem;
  font-size: 1.05rem;
}

.lede {
  max-width: 680px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.32rem);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 2rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.72rem 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  background: var(--green);
  color: var(--ink);
  border-color: transparent;
}

.button.secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
}

.console-visual {
  position: relative;
  width: 100%;
  min-width: 0;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(19, 37, 43, 0.96), rgba(8, 16, 19, 0.96)),
    repeating-linear-gradient(0deg, transparent, transparent 17px, rgba(255, 255, 255, 0.04) 18px);
  box-shadow: 0 30px 90px rgba(0, 0, 0, 0.36);
}

.window-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.9rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
}

.window-bar span {
  width: 0.72rem;
  height: 0.72rem;
  border-radius: 999px;
  background: var(--line);
}

.window-bar strong {
  margin-left: 0.35rem;
  font-size: 0.86rem;
}

.window-bar span:nth-child(1) {
  background: #ff6159;
}

.window-bar span:nth-child(2) {
  background: var(--amber);
}

.window-bar span:nth-child(3) {
  background: var(--green);
}

.hardware-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  padding: 0.9rem;
}

.hardware-strip span {
  padding: 0.52rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.72rem;
  text-align: center;
}

.signal-core {
  position: absolute;
  inset: 6.9rem 2.2rem 9.2rem;
  display: grid;
  place-items: center;
}

.signal-core::before,
.signal-core::after {
  content: "";
  position: absolute;
  aspect-ratio: 1;
  border: 2px solid rgba(73, 216, 223, 0.65);
  clip-path: polygon(50% 0, 92% 25%, 92% 75%, 50% 100%, 8% 75%, 8% 25%);
}

.signal-core::before {
  width: min(66%, 260px);
  animation: breathe 2.4s ease-in-out infinite;
}

.signal-core::after {
  width: min(42%, 172px);
  border-color: rgba(154, 240, 113, 0.55);
  animation: breatheReverse 3.2s ease-in-out infinite;
}

.signal-core i {
  position: absolute;
  width: 2px;
  height: 42%;
  background: linear-gradient(180deg, transparent, var(--cyan), transparent);
  transform-origin: center bottom;
  opacity: 0.75;
}

.signal-core i:nth-child(1) {
  transform: rotate(0deg) translateY(-18px);
}

.signal-core i:nth-child(2) {
  transform: rotate(60deg) translateY(-18px);
}

.signal-core i:nth-child(3) {
  transform: rotate(120deg) translateY(-18px);
}

.signal-core i:nth-child(4) {
  transform: rotate(180deg) translateY(-18px);
}

.signal-core i:nth-child(5) {
  transform: rotate(240deg) translateY(-18px);
}

.signal-core i:nth-child(6) {
  transform: rotate(300deg) translateY(-18px);
}

.transcript-card {
  position: absolute;
  width: min(43%, 220px);
  padding: 0.7rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(6, 16, 18, 0.82);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.24);
}

.transcript-card b {
  display: block;
  margin-bottom: 0.25rem;
  color: var(--green);
  font-size: 0.72rem;
}

.transcript-card span {
  color: var(--text);
  font-size: 0.88rem;
}

.input-card {
  top: 11.8rem;
  left: 1rem;
}

.output-card {
  right: 1rem;
  bottom: 8.8rem;
}

.status-feed {
  position: absolute;
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  display: grid;
  gap: 0.45rem;
}

.status-feed span {
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--muted);
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: 0.88rem;
}

.status-feed span:nth-child(2) {
  color: var(--green);
}

.metric-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
  padding: 0 0 clamp(3.5rem, 8vw, 5.5rem);
}

.metric-row article {
  min-height: 116px;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.metric-row b {
  display: block;
  margin-bottom: 0.65rem;
  color: var(--muted);
  font-size: 0.82rem;
}

.metric-row span {
  display: block;
  color: var(--text);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  font-weight: 850;
  line-height: 1.1;
}

.section {
  padding: clamp(3.5rem, 8vw, 6rem) 0;
  border-top: 1px solid var(--line);
}

.section-heading {
  max-width: 800px;
  margin-bottom: 2rem;
}

.section-heading p,
.timeline-section > .section-heading p {
  color: var(--muted);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.feature-grid article,
.timeline article,
.research-board article {
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.035);
}

.feature-grid article {
  min-height: 170px;
}

.feature-grid p,
.split p,
.callout p,
.timeline p,
.research-board p {
  color: var(--muted);
}

.timeline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.timeline article {
  min-height: 240px;
  position: relative;
  overflow: hidden;
}

.timeline article::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 5px;
  height: 100%;
  background: linear-gradient(180deg, var(--cyan), transparent);
  opacity: 0.7;
}

.timeline span {
  display: inline-grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  margin-bottom: 1rem;
  border: 1px solid rgba(154, 240, 113, 0.55);
  border-radius: 999px;
  color: var(--green);
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-weight: 800;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(320px, 1.14fr);
  gap: 2rem;
  align-items: center;
}

.research-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.research-board article {
  min-height: 180px;
}

.research-board b {
  display: inline-flex;
  margin-bottom: 0.7rem;
  padding: 0.28rem 0.5rem;
  border-radius: 999px;
  font-size: 0.76rem;
}

.research-board .good b {
  background: rgba(154, 240, 113, 0.14);
  color: var(--green);
}

.research-board .warning b {
  background: rgba(255, 200, 87, 0.14);
  color: var(--amber);
}

.code-map {
  margin: 0;
  overflow-x: auto;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #061012;
  color: var(--green);
  font-family: "Cascadia Mono", "SFMono-Regular", Consolas, monospace;
  font-size: clamp(0.82rem, 1.8vw, 0.98rem);
}

.callout {
  margin-bottom: 4rem;
}

@keyframes breathe {
  0%,
  100% {
    transform: scale(0.94) rotate(0deg);
    box-shadow: 0 0 34px rgba(73, 216, 223, 0.18);
  }

  50% {
    transform: scale(1.03) rotate(30deg);
    box-shadow: 0 0 70px rgba(154, 240, 113, 0.24);
  }
}

@keyframes breatheReverse {
  0%,
  100% {
    transform: scale(1.02) rotate(30deg);
  }

  50% {
    transform: scale(0.92) rotate(0deg);
  }
}

@media (max-width: 960px) {
  .feature-grid,
  .timeline,
  .metric-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 840px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  nav {
    justify-content: flex-start;
  }

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

  .console-visual {
    min-height: 500px;
  }
}

@media (max-width: 620px) {
  main {
    width: calc(100% - 2rem);
  }

  h1 {
    max-width: calc(100vw - 2rem);
    font-size: 1.95rem;
    line-height: 1.04;
  }

  .lede {
    max-width: 32ch;
    font-size: 1rem;
  }

  .feature-grid,
  .timeline,
  .research-board,
  .metric-row,
  .hardware-strip {
    grid-template-columns: 1fr;
  }

  .transcript-card {
    position: static;
    width: auto;
    margin: 0.75rem 1rem 0;
  }

  .console-visual {
    min-height: auto;
    padding-bottom: 1rem;
  }

  .signal-core {
    position: relative;
    inset: auto;
    height: 220px;
    margin: 1rem;
  }

  .status-feed {
    position: static;
    margin: 1rem;
  }
}

/* Real app screenshot */
.screenshot-section .section-heading { margin-bottom: 1.5rem; }
.app-shot { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 1rem; }
.app-shot img {
  width: 100%;
  max-width: 820px;
  height: auto;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.video-embed {
  width: 100%;
  max-width: 820px;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.video-embed iframe { width: 100%; height: 100%; display: block; border: 0; }
.app-shot figcaption {
  max-width: 720px;
  text-align: center;
  font-size: 0.9rem;
  line-height: 1.5;
  opacity: 0.72;
}