:root {
  color-scheme: dark;
  --bg: #071016;
  --bg-2: #0b161d;
  --panel: #0f2028;
  --line: rgba(190, 234, 225, 0.16);
  --text: #effaf7;
  --muted: #a9b9b5;
  --teal: #33e3c1;
  --green: #a9f06d;
  --ink: #081014;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 10%, rgba(51, 227, 193, 0.18), transparent 30rem),
    linear-gradient(180deg, var(--bg) 0%, #09161c 52%, #0b1114 100%);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 22, 0.86);
  backdrop-filter: blur(18px);
}

.brand,
.site-header nav,
.hero-actions,
footer {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid rgba(51, 227, 193, 0.4);
  border-radius: 8px;
  color: var(--ink);
  background: linear-gradient(135deg, var(--teal), var(--green));
}

.site-header nav {
  gap: 22px;
  color: var(--muted);
  font-size: 0.92rem;
}

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

.header-action,
.primary-action,
.secondary-action {
  border-radius: 8px;
  font-weight: 700;
}

.header-action {
  padding: 10px 16px;
  color: var(--ink);
  background: var(--teal);
}

.hero,
.section,
.demo-band {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 64px 0 72px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  letter-spacing: 0;
}

h1 {
  margin: 0;
  max-width: 820px;
  font-size: clamp(3rem, 7vw, 5.8rem);
  line-height: 0.95;
}

h2 {
  margin: 0;
  max-width: 780px;
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1;
}

h3 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.hero-text,
.section-heading + p,
.demo-band p,
article p {
  color: var(--muted);
  line-height: 1.65;
}

.hero-text {
  max-width: 640px;
  margin: 24px 0 0;
  font-size: 1.1rem;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
}

.primary-action {
  border: 0;
  color: var(--ink);
  background: linear-gradient(135deg, var(--teal), var(--green));
  cursor: pointer;
}

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

.hero-panel,
article,
pre,
.demo-band {
  border: 1px solid var(--line);
  background: rgba(15, 32, 40, 0.72);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.24);
}

.hero-panel {
  border-radius: 8px;
  padding: 28px;
}

.panel-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 0.9rem;
}

.panel-status span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 18px rgba(169, 240, 109, 0.8);
}

dl {
  display: grid;
  gap: 18px;
  margin: 0;
}

dl div {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
}

dt {
  color: var(--muted);
}

dd {
  margin: 0;
  font-weight: 700;
  text-align: right;
}

.section {
  padding: 84px 0;
}

.section-heading {
  margin-bottom: 28px;
}

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

article {
  min-height: 180px;
  border-radius: 8px;
  padding: 24px;
}

.demo-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border-radius: 8px;
  padding: clamp(28px, 5vw, 48px);
}

.demo-band p {
  max-width: 680px;
  margin: 16px 0 0;
}

.as-button {
  font: inherit;
  white-space: nowrap;
}

pre {
  overflow-x: auto;
  border-radius: 8px;
  padding: 24px;
  color: #d9fff5;
}

code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.92rem;
}

footer {
  justify-content: space-between;
  gap: 20px;
  width: min(1120px, calc(100% - 40px));
  margin: 40px auto 0;
  padding: 32px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 860px) {
  .site-header {
    position: relative;
    align-items: flex-start;
  }

  .site-header nav {
    display: none;
  }

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

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

  .demo-band,
  footer {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .site-header {
    padding: 16px 20px;
  }

  .header-action {
    display: none;
  }

  .hero,
  .section,
  .demo-band,
  footer {
    width: min(100% - 28px, 1120px);
  }
}