:root {
  --bg: #0B0F14;
  --surface: #121821;
  --surface-2: #1A2230;
  --border: #222C3B;
  --text: #E6EDF3;
  --text-dim: #8B97A8;
  --accent: #3FB68B;
  --accent-soft: rgba(63, 182, 139, 0.12);
  --warning: #F59E0B;
  --danger: #E5484D;
  --radius: 14px;
  --max: 1160px;
  --font: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "JetBrains Mono", "Menlo", "Consolas", monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-image:
    radial-gradient(1000px 600px at 10% -10%, rgba(63, 182, 139, 0.08), transparent),
    radial-gradient(800px 500px at 100% 0%, rgba(47, 107, 255, 0.06), transparent);
}
a { color: inherit; text-decoration: none; }
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.2rem, 4.2vw, 3.6rem); line-height: 1.05; font-weight: 700; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 600; }
p  { margin: 0 0 .75rem; color: var(--text-dim); }
code { font-family: var(--mono); font-size: 0.92em; color: var(--accent); background: var(--surface-2); padding: 0.1em 0.35em; border-radius: 4px; }
pre  { font-family: var(--mono); background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; margin: 0; color: var(--text); overflow-x: auto; font-size: 0.88rem; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 22px; }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(11, 15, 20, 0.75);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 22px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; letter-spacing: -0.01em; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--text-dim); font-size: 0.92rem; }
.nav-links a:hover { color: var(--text); }
.nav-links .btn-primary, .nav-links .btn-ghost { font-size: 0.86rem; padding: 7px 12px; }

/* buttons */
.btn-primary, .btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 10px;
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #06231a;
  box-shadow: 0 8px 24px -10px rgba(63, 182, 139, 0.5);
}
.btn-primary:hover { transform: translateY(-1px); background: #46c79a; }
.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-lg { padding: 13px 20px; font-size: 0.98rem; }

/* hero */
.hero { padding: 70px 0 40px; }
.hero-grid {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px;
  max-width: var(--max); margin: 0 auto; padding: 0 22px;
  align-items: center;
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 12px;
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(63, 182, 139, 0.25);
  border-radius: 999px;
  font-size: 0.8rem; font-weight: 500;
  margin-bottom: 20px;
}
.dot { width: 7px; height: 7px; border-radius: 999px; background: var(--accent); box-shadow: 0 0 10px var(--accent); }
.lede { color: var(--text-dim); font-size: 1.12rem; line-height: 1.55; max-width: 560px; margin: 16px 0 26px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-meta { list-style: none; padding: 0; margin: 22px 0 0; display: flex; gap: 24px; color: var(--text-dim); font-size: 0.86rem; }
.hero-meta li { position: relative; padding-left: 16px; }
.hero-meta li::before { content: "✓"; color: var(--accent); position: absolute; left: 0; }

/* cockpit mock */
.hero-visual { position: relative; }
.cockpit-mock {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(63, 182, 139, 0.08);
  transform: perspective(2000px) rotateY(-4deg) rotateX(1deg);
}
.cockpit-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 11px 14px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem; color: var(--text-dim);
  letter-spacing: 0.08em;
}
.cockpit-bar .dot-r, .cockpit-bar .dot-y, .cockpit-bar .dot-g { width: 10px; height: 10px; border-radius: 999px; }
.dot-r { background: #E5484D; } .dot-y { background: #F59E0B; } .dot-g { background: #3FB68B; }
.cockpit-title { margin-left: 14px; color: var(--text); font-weight: 600; }
.cockpit-pnl { margin-left: auto; color: var(--accent); font-family: var(--mono); }
.cockpit-body { display: grid; grid-template-columns: 1.1fr 1.6fr 1fr; min-height: 320px; }
.mock-col { padding: 14px; font-size: 0.82rem; }
.mock-left, .mock-right { background: var(--surface-2); }
.mock-left { border-right: 1px solid var(--border); }
.mock-right { border-left: 1px solid var(--border); }
.mock-section { font-size: 0.7rem; letter-spacing: 0.14em; color: var(--text-dim); margin-bottom: 8px; }
.mock-section.mt { margin-top: 16px; }
.mock-row { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px dashed rgba(255, 255, 255, 0.04); font-family: var(--mono); font-size: 0.78rem; }
.pos { color: var(--accent); }
.dim { color: var(--text-dim); }
.mock-center { display: flex; flex-direction: column; gap: 10px; align-items: stretch; padding-top: 20px; }
.mock-hint { text-align: center; color: var(--text); font-size: 0.9rem; font-weight: 600; }
.mock-chip { background: var(--surface-2); border: 1px solid var(--border); padding: 9px 12px; border-radius: 10px; color: var(--text); font-size: 0.82rem; }
.mock-chip:nth-child(2) { border-color: rgba(63, 182, 139, 0.35); }
.mock-cmd { margin-top: auto; background: var(--bg); border: 1px solid var(--border); padding: 10px 12px; border-radius: 10px; font-family: var(--mono); font-size: 0.8rem; color: var(--text-dim); }
.caret { color: var(--accent); margin-left: 6px; animation: blink 1.1s infinite; }
@keyframes blink { 0%, 50% { opacity: 1 } 50.01%, 100% { opacity: 0 } }

/* why */
.why { padding: 80px 0; border-top: 1px solid var(--border); }
.why h2 { max-width: 760px; margin-bottom: 18px; }
.lede-lg { color: var(--text-dim); font-size: 1.12rem; max-width: 820px; }
.highlight { color: var(--text); font-weight: 500; }
.flow {
  margin-top: 32px;
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 16px 22px;
  border-radius: 12px;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.9rem;
  white-space: pre-wrap;
}

/* features */
.features { padding: 80px 0; border-top: 1px solid var(--border); }
.features h2 { max-width: 720px; margin-bottom: 36px; }
.feat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  transition: border-color .2s ease, transform .2s ease;
}
.feat:hover { border-color: rgba(63, 182, 139, 0.3); transform: translateY(-2px); }
.feat-ic { display: inline-flex; width: 36px; height: 36px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); align-items: center; justify-content: center; font-size: 1.1rem; margin-bottom: 14px; }
.feat h3 { margin-bottom: 8px; }
.feat p { font-size: 0.92rem; margin: 0; }

/* connectors */
.connectors { padding: 80px 0; border-top: 1px solid var(--border); }
.connectors h2 { margin-bottom: 10px; }
.sub { color: var(--text-dim); max-width: 680px; margin-bottom: 32px; font-size: 1.02rem; }
.conn-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.conn {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.92rem;
  font-weight: 500;
  transition: border-color .2s ease;
}
.conn:hover { border-color: rgba(63, 182, 139, 0.3); }
.conn-dot { width: 9px; height: 9px; border-radius: 999px; flex-shrink: 0; }

/* use cases */
.usecases { padding: 80px 0; border-top: 1px solid var(--border); }
.usecases h2 { margin-bottom: 36px; }
.uc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.uc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.uc h3 { margin-bottom: 10px; color: var(--accent); font-size: 1.02rem; }
.uc p { font-size: 0.92rem; margin: 0; }

/* install */
.install { padding: 80px 0; border-top: 1px solid var(--border); background: linear-gradient(180deg, transparent, rgba(63, 182, 139, 0.03) 40%, transparent); }
.install h2 { margin-bottom: 40px; text-align: center; }
.install-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.install-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  display: flex; flex-direction: column; gap: 14px;
}
.install-eyebrow { font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); }
.install-card h3 { font-size: 1.2rem; }
.install-card p { margin: 0; }
.install-card pre { margin: 0; }
.install-card .btn-primary, .install-card .btn-ghost { align-self: flex-start; margin-top: auto; }
.install-sub { font-size: 0.85rem; color: var(--text-dim); text-decoration: none; margin-top: -4px; }
.install-sub:hover { color: var(--accent); }

/* community */
.community { padding: 80px 0; border-top: 1px solid var(--border); }
.community-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.community-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.c-link {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center;
  transition: border-color .2s ease, transform .2s ease;
}
.c-link:hover { border-color: rgba(63, 182, 139, 0.35); transform: translateY(-2px); }
.c-label { font-weight: 600; font-size: 1rem; }
.c-arrow { color: var(--accent); font-size: 1.2rem; }
.c-sub { grid-column: 1 / -1; color: var(--text-dim); font-size: 0.86rem; }

/* footer */
.footer { padding: 28px 0; border-top: 1px solid var(--border); background: rgba(18, 24, 33, 0.6); margin-top: 40px; }
.footer-row { display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-brand { display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: 0.88rem; }
.footer-links { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-links a { color: var(--text-dim); font-size: 0.88rem; }
.footer-links a:hover { color: var(--accent); }
.disclaimer { color: var(--text-dim); font-size: 0.78rem; text-align: center; padding-top: 18px; }

/* responsive */
@media (max-width: 960px) {
  .nav-links a:not(.btn-primary):not(.btn-ghost) { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .cockpit-mock { transform: none; }
  .feat-grid, .uc-grid, .install-grid { grid-template-columns: 1fr 1fr; }
  .conn-grid { grid-template-columns: repeat(3, 1fr); }
  .community-grid { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 640px) {
  .feat-grid, .uc-grid, .install-grid, .community-links { grid-template-columns: 1fr; }
  .conn-grid { grid-template-columns: repeat(2, 1fr); }
  .cockpit-body { grid-template-columns: 1fr; }
  .mock-left, .mock-right { border: none; border-top: 1px solid var(--border); }
  .hero { padding: 40px 0 20px; }
  .why, .features, .connectors, .usecases, .install, .community { padding: 56px 0; }
}