:root {
  color-scheme: dark;
  --bg: #071112;
  --bg-soft: #0d1d20;
  --panel: rgba(12, 31, 34, 0.82);
  --line: rgba(172, 255, 232, 0.18);
  --text: #effffb;
  --muted: #a9c7c7;
  --green: #14f195;
  --cyan: #57d7ff;
  --violet: #9945ff;
  --amber: #ffd166;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: center;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(5, 12, 16, 0.74);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-weight: 800;
  letter-spacing: 0;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
}

.nav,
.footer nav {
  display: flex;
  justify-content: center;
  gap: clamp(12px, 2vw, 28px);
  color: var(--muted);
  font-size: 14px;
}

.nav a,
.footer a {
  transition: color 180ms ease;
}

.nav a:hover,
.footer a:hover {
  color: var(--green);
}

.socials {
  display: flex;
  gap: 8px;
}

.socials a {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.socials svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.socials a:hover {
  border-color: rgba(20, 241, 149, 0.52);
  color: var(--green);
}

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  display: grid;
  align-items: end;
  padding: 132px clamp(20px, 5vw, 72px) 70px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(2, 7, 10, 0.96) 0%, rgba(3, 10, 14, 0.72) 42%, rgba(3, 10, 14, 0.28) 100%),
    linear-gradient(0deg, rgba(7, 17, 18, 0.96) 0%, rgba(7, 17, 18, 0.08) 34%),
    url("assets/background.png") center / cover no-repeat;
}

.hero-content {
  position: relative;
  width: min(760px, 100%);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 24px;
  font-size: clamp(44px, 7vw, 88px);
  line-height: 0.94;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  max-width: 1080px;
  font-size: clamp(40px, 5.6vw, 76px);
  line-height: 1.02;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
  line-height: 1.2;
}

.hero-copy {
  max-width: 670px;
  color: #d8f3ef;
  font-size: clamp(18px, 2vw, 22px);
}

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

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 800;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.primary {
  background: linear-gradient(135deg, var(--green), var(--cyan));
  color: #04100e;
}

.secondary {
  border: 1px solid rgba(20, 241, 149, 0.38);
  background: rgba(20, 241, 149, 0.09);
  color: #dcfff5;
}

.ghost {
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #ffffff;
}

.disabled-link {
  cursor: default;
  opacity: 0.62;
}

.disabled-link:hover {
  transform: none;
}
.icon-actions {
  display: flex;
  flex-direction: row;
  align-items: center;
  flex-wrap: wrap;
}

.icon-link {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border: 1px solid rgba(20, 241, 149, 0.38);
  border-radius: 8px;
  background: rgba(20, 241, 149, 0.09);
  color: #dcfff5;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.icon-link:hover {
  transform: translateY(-2px);
  border-color: rgba(20, 241, 149, 0.7);
  background: rgba(20, 241, 149, 0.16);
}

.icon-link svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.section {
  padding: clamp(72px, 10vw, 132px) clamp(20px, 5vw, 72px);
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  background:
    linear-gradient(135deg, rgba(5, 14, 18, 0.9), rgba(8, 34, 36, 0.84)),
    url("assets/background2.png") center / cover fixed no-repeat;
}

.section-heading {
  margin-bottom: clamp(30px, 5vw, 56px);
}

.roadmap-section {
  position: relative;
  overflow: hidden;
}

.roadmap-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 18% 24%, rgba(20, 241, 149, 0.22), transparent 30%),
    radial-gradient(circle at 82% 72%, rgba(153, 69, 255, 0.2), transparent 34%);
  pointer-events: none;
}

.roadmap-section > * {
  position: relative;
  z-index: 1;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
  gap: clamp(24px, 5vw, 64px);
  align-items: stretch;
}

.copy-block,
.signal-card,
.demo-panel,
.cards article,
.docs-grid article,
.architecture-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.copy-block,
.signal-card,
.demo-panel {
  padding: clamp(24px, 4vw, 42px);
}

.copy-block p,
.signal-card p,
.demo-panel p,
.cards p,
.docs-grid p,
.architecture-card p {
  color: var(--muted);
}

.copy-block strong {
  color: var(--amber);
}

.text-link {
  color: var(--green);
  font-weight: 800;
}

.signal-card {
  position: relative;
  overflow: hidden;
}

.signal-card::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -90px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(87, 215, 255, 0.22);
  border-radius: 50%;
}

.status-dot {
  display: block;
  width: 14px;
  height: 14px;
  margin-bottom: 22px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 12px rgba(20, 241, 149, 0.12);
}

.architecture-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(5, 18, 21, 0.78);
  box-shadow: var(--shadow);
  padding: clamp(18px, 4vw, 42px);
  backdrop-filter: blur(10px);
}

.architecture-card img {
  width: 100%;
  min-height: 320px;
  object-fit: contain;
}

.demo-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  gap: clamp(22px, 4vw, 42px);
  align-items: center;
}

.video-frame {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  background: #020608;
}

.video-frame img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  transition: transform 220ms ease, opacity 220ms ease;
}

.video-frame:hover img {
  transform: scale(1.02);
  opacity: 0.86;
}

.play-button {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 74px;
  height: 52px;
  transform: translate(-50%, -50%);
  border-radius: 8px;
  background: rgba(20, 241, 149, 0.92);
  box-shadow: 0 18px 42px rgba(0, 0, 0, 0.34);
}

.play-button::before {
  content: "";
  position: absolute;
  left: 30px;
  top: 16px;
  border-left: 18px solid #03100d;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
}

.cards,
.docs-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.stack-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 16px;
}

.stack-item {
  display: grid;
  min-height: 150px;
  place-items: center;
  gap: 14px;
  border: 1px solid rgba(87, 215, 255, 0.24);
  border-radius: 8px;
  padding: 22px 16px;
  background: rgba(87, 215, 255, 0.08);
  text-align: center;
}

.stack-item svg {
  width: 54px;
  height: 54px;
  fill: none;
  stroke: var(--green);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.stack-item:first-child svg {
  fill: var(--green);
  stroke: none;
}

.stack-item span {
  color: #dffaff;
  font-weight: 800;
  line-height: 1.2;
}

.timeline {
  display: grid;
  gap: 14px;
  max-width: 980px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  padding: 18px 22px;
  border: 1px solid rgba(172, 255, 232, 0.24);
  border-radius: 8px;
  background: rgba(5, 18, 21, 0.72);
  color: var(--muted);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
}


.timeline .done {
  color: #03100d;
  border-color: rgba(20, 241, 149, 0.92);
  background: linear-gradient(135deg, rgba(20, 241, 149, 0.92), rgba(87, 215, 255, 0.78));
  font-weight: 900;
  box-shadow: 0 22px 58px rgba(20, 241, 149, 0.24);
}


.docs-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.footer {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 28px clamp(20px, 5vw, 72px);
  background: #04090b;
  color: var(--muted);
}

.footer nav {
  justify-content: center;
}

.footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .nav {
    grid-column: 1 / -1;
    order: 3;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 2px;
  }

  .cards,
  .stack-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .split,
  .demo-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .site-header {
    position: absolute;
    gap: 12px;
  }

  .socials {
    display: none;
  }

  .hero {
    min-height: 88vh;
    padding-top: 150px;
  }

  .hero-bg {
    background:
      linear-gradient(90deg, rgba(2, 7, 10, 0.94) 0%, rgba(3, 10, 14, 0.62) 100%),
      linear-gradient(0deg, rgba(7, 17, 18, 0.96) 0%, rgba(7, 17, 18, 0.12) 45%),
      url("assets/background.png") center / cover no-repeat;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .cards,
  .docs-grid,
  .stack-list {
    grid-template-columns: 1fr;
  }

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

  .footer nav {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
}