:root {
  --bg: #0F1117;
  --surface: #171B26;
  --surface-2: #1E2330;
  --border: #2A2F3D;
  --accent: #4F8EF7;
  --accent-dim: #2A4A8A;
  --text: #E8EAF0;
  --text-muted: #8892A4;
  --text-dim: #5A6480;
  --green: #3DD68C;
  --yellow: #F5A623;
  --red: #E84855;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'IBM Plex Sans', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  padding: 28px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: baseline;
  gap: 16px;
}
.nav-logo {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 20px;
  color: var(--text);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 300;
}

/* Hero */
.hero {
  padding: 80px 48px 64px;
  max-width: 1200px;
  margin: 0 auto;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.65;
  max-width: 420px;
}

/* Dashboard mock */
.dashboard-mock {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(0,0,0,0.4), 0 0 0 1px rgba(79,142,247,0.08);
}
.mock-header {
  background: var(--surface-2);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}
.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.mock-dot.red { background: var(--red); opacity: 0.7; }
.mock-dot.yellow { background: var(--yellow); opacity: 0.7; }
.mock-dot.green { background: var(--green); opacity: 0.7; }
.mock-title {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 8px;
  font-family: 'IBM Plex Sans', sans-serif;
}
.mock-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.mock-row {
  display: grid;
  grid-template-columns: 110px 50px 1fr;
  align-items: center;
  gap: 12px;
}
.mock-label {
  font-size: 12px;
  color: var(--text-muted);
  font-family: 'IBM Plex Sans', sans-serif;
}
.mock-value {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.mock-bar {
  height: 4px;
  background: var(--surface-2);
  border-radius: 2px;
  position: relative;
}
.mock-bar::after {
  content: '';
  position: absolute;
  left: 0; top: 0; height: 100%;
  width: var(--w, 70%);
  background: var(--accent);
  border-radius: 2px;
  opacity: 0.6;
}
.mock-status-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 4px;
}
.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
}
.status-dot.active { background: var(--green); }
.status-dot.warning { background: var(--yellow); }
.status-text {
  font-size: 12px;
  color: var(--text-dim);
}

/* Philosophy */
.philosophy {
  padding: 64px 48px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.philosophy-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.philosophy-text {
  font-size: 20px;
  line-height: 1.7;
  color: var(--text-muted);
  font-weight: 300;
}

/* Features */
.features {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
.feature-card {
  background: var(--bg);
  padding: 40px;
  transition: background 0.2s;
}
.feature-card:hover {
  background: var(--surface);
}
.feature-icon {
  color: var(--accent);
  margin-bottom: 20px;
}
.feature-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.feature-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.65;
}

/* Closing */
.closing {
  padding: 80px 48px 96px;
  max-width: 1200px;
  margin: 0 auto;
}
.closing-divider {
  width: 40px;
  height: 2px;
  background: var(--accent);
  margin-bottom: 40px;
  opacity: 0.5;
}
.closing-statement {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
  letter-spacing: -0.02em;
  max-width: 640px;
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 32px 48px;
}
.footer-inner {
  display: flex;
  align-items: center;
  gap: 20px;
}
.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 16px;
  color: var(--text);
}
.footer-copy {
  font-size: 13px;
  color: var(--text-dim);
}

/* Responsive */
@media (max-width: 768px) {
  .hero { padding: 56px 24px 48px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { order: -1; }
  .philosophy { padding: 48px 24px; }
  .philosophy-text { font-size: 17px; }
  .features { padding: 48px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .closing { padding: 56px 24px 72px; }
  .nav { padding: 20px 24px; }
  .footer { padding: 24px; }
}