:root {
  --bg: #0B1929;
  --bg-card: #112034;
  --bg-muted: #0a1520;
  --fg: #F2F4F8;
  --fg-dim: #8899AA;
  --accent: #F5A623;
  --accent-dim: rgba(245,166,35,0.15);
  --border: rgba(242,244,248,0.08);
  --radius: 14px;
  --font-head: 'Syne', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 56px;
  border-bottom: 1px solid var(--border);
}
.nav-logo {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--fg);
}
.nav-tagline {
  font-size: 13px;
  color: var(--fg-dim);
  font-weight: 500;
  letter-spacing: 0.3px;
}

/* Hero */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  padding: 80px 56px 100px;
  align-items: center;
  min-height: 75vh;
}
.hero-left {}
.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -2px;
  color: var(--fg);
  margin-bottom: 28px;
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-dim);
  max-width: 440px;
  line-height: 1.7;
}

/* Dashboard Mock */
.dashboard-mock {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: 'Plus Jakarta Sans', sans-serif;
  box-shadow: 0 32px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(245,166,35,0.08);
}
.dash-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: var(--bg-muted);
  border-bottom: 1px solid var(--border);
}
.dash-dot { width: 10px; height: 10px; border-radius: 50%; background: rgba(242,244,248,0.2); }
.dash-dot.amber { background: var(--accent); box-shadow: 0 0 8px rgba(245,166,35,0.6); }
.dash-label { font-size: 11px; color: var(--fg-dim); margin-left: auto; font-weight: 500; letter-spacing: 0.5px; text-transform: uppercase; }
.dash-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; }

.app-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg-muted);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  transition: border-color 0.2s;
}
.app-card.muted { opacity: 0.6; }
.app-icon { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; font-family: var(--font-head); }
.app-icon.ch-menu { background: #1a5c3a; color: #5adf9e; }
.app-icon.tt { background: #3a1a5c; color: #d95ff5; }
.app-icon.zh { background: #5c3a1a; color: #dfaf5a; }
.app-info { flex: 1; }
.app-name { font-size: 13px; font-weight: 600; color: var(--fg); }
.app-status { font-size: 11px; color: var(--fg-dim); }
.app-status.active { color: #5adf9e; }
.app-stat { text-align: right; }
.stat-num { font-size: 15px; font-weight: 700; color: var(--accent); font-family: var(--font-head); }
.stat-label { font-size: 10px; color: var(--fg-dim); }

.dash-log { margin-top: 8px; border-top: 1px solid var(--border); padding-top: 12px; display: flex; flex-direction: column; gap: 7px; }
.log-entry { display: flex; gap: 10px; font-size: 11px; }
.log-time { color: var(--accent); font-weight: 600; font-family: var(--font-head); min-width: 36px; }
.log-msg { color: var(--fg-dim); }

/* Features */
.features { padding: 0 56px 100px; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}
.feature-card:hover { border-color: rgba(245,166,35,0.3); transform: translateY(-2px); }
.feature-icon { color: var(--accent); margin-bottom: 16px; }
.feature-card h3 { font-family: var(--font-head); font-size: 18px; font-weight: 700; margin-bottom: 10px; color: var(--fg); }
.feature-card p { font-size: 14px; color: var(--fg-dim); line-height: 1.65; }

/* How It Works */
.howitworks { padding: 80px 56px; background: var(--bg-muted); }
.hiw-label { font-size: 11px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.hiw-headline { font-family: var(--font-head); font-size: clamp(24px, 3.5vw, 38px); font-weight: 800; line-height: 1.2; letter-spacing: -1px; color: var(--fg); margin-bottom: 56px; max-width: 500px; }
.hiw-steps { display: flex; align-items: center; gap: 0; }
.step { flex: 1; }
.step-num { font-family: var(--font-head); font-size: 40px; font-weight: 800; color: var(--accent); opacity: 0.4; margin-bottom: 16px; letter-spacing: -2px; }
.step-content h3 { font-family: var(--font-head); font-size: 17px; font-weight: 700; color: var(--fg); margin-bottom: 10px; }
.step-content p { font-size: 14px; color: var(--fg-dim); line-height: 1.65; }
.step-connector { width: 40px; height: 1px; background: var(--border); margin: 0 24px; flex-shrink: 0; margin-bottom: 40px; }

/* Manifesto */
.manifesto { padding: 100px 56px; }
.manifesto-inner { max-width: 680px; }
blockquote {
  font-family: var(--font-head);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--fg);
  margin-bottom: 36px;
  letter-spacing: -0.5px;
}
.manifesto-body { font-size: 16px; color: var(--fg-dim); line-height: 1.75; margin-bottom: 20px; }
.manifesto-body strong { color: var(--accent); font-weight: 600; }

/* Closing */
.closing { padding: 80px 56px 100px; }
.closing-inner { max-width: 600px; }
.closing h2 { font-family: var(--font-head); font-size: clamp(28px, 4vw, 44px); font-weight: 800; line-height: 1.15; letter-spacing: -1.5px; color: var(--fg); margin-bottom: 20px; }
.closing p { font-size: 17px; color: var(--fg-dim); line-height: 1.65; }

/* Footer */
.footer { padding: 48px 56px; border-top: 1px solid var(--border); }
.footer-logo { font-family: var(--font-head); font-size: 20px; font-weight: 800; color: var(--fg); margin-bottom: 10px; }
.footer-copy { font-size: 14px; color: var(--fg-dim); margin-bottom: 4px; }
.footer-tag { font-size: 12px; color: rgba(136,153,170,0.5); }

/* Responsive */
@media (max-width: 768px) {
  .navbar { padding: 18px 24px; }
  .nav-tagline { display: none; }
  .hero { grid-template-columns: 1fr; padding: 48px 24px 64px; }
  .hero-right { display: none; }
  .features { padding: 0 24px 60px; }
  .features-grid { grid-template-columns: 1fr; }
  .howitworks { padding: 60px 24px; }
  .hiw-steps { flex-direction: column; gap: 20px; }
  .step-connector { display: none; }
  .manifesto { padding: 60px 24px; }
  .closing { padding: 48px 24px 60px; }
  .footer { padding: 36px 24px; }
}