:root {
  color-scheme: dark;
  --bg: #06070a;
  --bg-soft: #0d1016;
  --panel: rgba(20, 24, 32, 0.78);
  --panel-solid: #151922;
  --panel-2: #1b202a;
  --border: rgba(255,255,255,0.1);
  --border-strong: rgba(255,255,255,0.18);
  --text: #f4f7fb;
  --muted: #aab3c2;
  --quiet: #737d8d;
  --blue: #2388ff;
  --cyan: #54d7ff;
  --green: #33e16d;
  --orange: #ff9f1a;
  --red: #ff4d55;
  --shadow: 0 24px 80px rgba(0,0,0,0.48);
  --radius-lg: 28px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --max: 1180px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 8%, rgba(35,136,255,0.18), transparent 28rem),
    radial-gradient(circle at 80% 18%, rgba(84,215,255,0.12), transparent 26rem),
    linear-gradient(180deg, #07080b 0%, #080a0f 45%, #050609 100%);
  color: var(--text);
  font-family: var(--sans);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.34;
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: linear-gradient(to bottom, black 0%, transparent 82%);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 30;
  padding: .75rem 1rem;
  border-radius: 999px;
  background: var(--text);
  color: #050609;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(16px);
  background: rgba(6,7,10,0.72);
  border-bottom: 1px solid var(--border);
}
.nav {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.brand, .nav-links, .nav-cta { display: flex; align-items: center; }
.brand { gap: 10px; font-weight: 750; letter-spacing: -0.02em; }
.brand-mark {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  box-shadow: 0 0 28px rgba(35,136,255,0.65);
}
.nav-links { gap: 18px; margin-left: auto; color: var(--muted); font-size: 0.94rem; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255,255,255,0.05);
  font-size: 0.92rem;
}

.section-pad {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 96px 0;
  position: relative;
}
.compact { padding: 72px 0; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(480px, 1.1fr);
  gap: 46px;
  align-items: center;
  min-height: calc(100vh - 72px);
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 22px;
  font-size: clamp(3rem, 8vw, 6.8rem);
  line-height: 0.9;
  letter-spacing: -0.075em;
}
h2 {
  margin-bottom: 16px;
  font-size: clamp(2rem, 4.2vw, 4rem);
  line-height: 0.96;
  letter-spacing: -0.055em;
}
h3 { letter-spacing: -0.025em; }
.hero-subhead, .lead, .section-note {
  color: var(--muted);
  font-size: clamp(1.05rem, 1.4vw, 1.24rem);
  line-height: 1.65;
}
.hero-subhead { max-width: 62ch; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 1.1rem;
  border-radius: 999px;
  font-weight: 720;
  border: 1px solid var(--border-strong);
}
.button-primary {
  background: linear-gradient(135deg, var(--blue), #1267ff);
  color: white;
  box-shadow: 0 16px 40px rgba(35,136,255,0.26);
}
.button-secondary { background: rgba(255,255,255,0.055); color: var(--text); }
.hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 34px 0 0;
}
.hero-facts div {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
}
.hero-facts dt { color: var(--quiet); font-size: 0.75rem; text-transform: uppercase; letter-spacing: .08em; }
.hero-facts dd { margin: 7px 0 0; color: var(--text); font-size: 0.92rem; }
.window-frame, .shot {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  box-shadow: var(--shadow);
}
.window-frame { padding: 30px 12px 12px; }
.window-controls {
  position: absolute;
  top: 12px;
  left: 16px;
  display: flex;
  gap: 7px;
}
.window-controls span { width: 10px; height: 10px; border-radius: 50%; background: #ff5f57; }
.window-controls span:nth-child(2) { background: #ffbd2e; }
.window-controls span:nth-child(3) { background: #28c840; }
.window-frame img { border-radius: 18px; }

.section-heading { max-width: 760px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.split {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(340px, .75fr);
  gap: 46px;
  align-items: start;
}

.problem-grid, .feature-grid, .principle-grid, .status-grid {
  display: grid;
  gap: 16px;
}
.problem-grid { grid-template-columns: repeat(3, minmax(0,1fr)); margin-top: 34px; }
.problem-grid article, .feature-card, .principle-grid article, .status-card, .steps li, .cta-panel {
  border: 1px solid var(--border);
  background: var(--panel);
  border-radius: var(--radius-md);
  padding: 24px;
}
.problem-grid p, .feature-card p, .principle-grid p, .steps p, .status-card li, .cta-panel p, .site-footer p {
  color: var(--muted);
  line-height: 1.62;
}
.feature-grid { grid-template-columns: repeat(4, minmax(0,1fr)); margin-top: 34px; }
.feature-card { min-height: 230px; }
.feature-kicker {
  display: inline-flex;
  margin-bottom: 18px;
  padding: .35rem .55rem;
  border-radius: 999px;
  background: rgba(35,136,255,0.14);
  color: #9ed4ff;
  font-family: var(--mono);
  font-size: .74rem;
  font-weight: 700;
  text-transform: uppercase;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
  padding: 0;
  margin: 34px 0 0;
  list-style: none;
  counter-reset: steps;
}
.steps span { color: var(--cyan); font-family: var(--mono); font-weight: 800; }

.showcase {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 18px;
  margin-top: 38px;
}
.shot { border-radius: 24px; }
.shot-large { grid-column: 1 / -1; }
.shot img { width: 100%; }
.shot figcaption {
  margin: 0;
  padding: 16px 18px 18px;
  color: var(--muted);
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,0.035);
  line-height: 1.5;
}
.shot figcaption strong { color: var(--text); }

.usecase-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 34px;
}
.usecase-list span {
  padding: .8rem 1rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  color: var(--muted);
}
.principle-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.status-grid { grid-template-columns: repeat(2, minmax(0,1fr)); margin-top: 34px; }
.status-card h3::before {
  content: "";
  display: inline-block;
  width: .7rem;
  height: .7rem;
  margin-right: .55rem;
  border-radius: 50%;
  background: var(--green);
}
.status-card.planned h3::before { background: var(--orange); }
.status-card ul { padding-left: 1.1rem; margin-bottom: 0; }
.status-card li + li { margin-top: 10px; }

.final-cta { padding-top: 40px; }
.cta-panel {
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  background:
    radial-gradient(circle at 50% 0%, rgba(35,136,255,0.22), transparent 26rem),
    var(--panel);
}
.cta-panel .hero-actions { justify-content: center; }
.site-footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 56px;
  border-top: 1px solid var(--border);
  color: var(--quiet);
  font-size: .9rem;
}

@media (max-width: 980px) {
  .hero, .split { grid-template-columns: 1fr; }
  .hero { min-height: auto; padding-top: 72px; }
  .hero-visual { order: -1; }
  .feature-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .problem-grid, .steps { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .nav { min-height: 62px; }
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }
  .section-pad { width: min(100% - 24px, var(--max)); padding: 58px 0; }
  .hero-facts, .feature-grid, .principle-grid, .status-grid, .showcase { grid-template-columns: 1fr; }
  .hero-actions .button { width: 100%; }
  .window-frame { border-radius: 18px; padding: 26px 8px 8px; }
  .shot-large { grid-column: auto; }
}
