:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #18182a;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --fg-dim: #55556a;
  --accent: #7c6aff;
  --accent-glow: rgba(124, 106, 255, 0.15);
  --success: #4ade80;
  --terminal-bg: #0d0d14;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Nav */
.nav {
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 14px;
  background: var(--accent);
  color: #fff;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}
.logo-text {
  font-weight: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
}

/* Hero */
.hero {
  padding: 100px 0 60px;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 6px 16px;
  border-radius: 100px;
  border: 1px solid rgba(124, 106, 255, 0.2);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}
h1 {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-accent {
  color: var(--accent);
}
.hero-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* Terminal */
.hero-terminal {
  max-width: 600px;
  background: var(--terminal-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
}
.terminal-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}
.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }
.terminal-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--fg-dim);
  margin-left: 8px;
}
.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 2;
}
.terminal-line {
  white-space: nowrap;
  overflow: hidden;
}
.t-prompt { color: var(--accent); }
.t-cmd { color: var(--fg); }
.t-output { color: var(--fg-muted); }
.t-success { color: var(--success); font-weight: 500; }
.t-cursor {
  color: var(--accent);
  animation: blink 1s step-end infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

/* Problem */
.problem {
  padding: 80px 0;
}
.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.problem-icon {
  font-family: var(--font-mono);
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 16px;
  width: 48px;
  height: 48px;
  background: var(--accent-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}
.problem-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.problem-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* Features */
.features {
  padding: 80px 0;
  border-top: 1px solid var(--border);
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.features-header {
  margin-bottom: 56px;
}
.features-header h2 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 600px;
}
.features-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.feature-row {
  display: flex;
  gap: 40px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.feature-row:first-child {
  border-top: 1px solid var(--border);
}
.feature-number {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--fg-dim);
  padding-top: 4px;
  min-width: 40px;
}
.feature-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.feature-content p {
  font-size: 16px;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 560px;
}

/* Closing */
.closing {
  padding: 120px 0;
  text-align: center;
}
.closing-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}
.closing h2 {
  font-size: clamp(24px, 4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin: 0 auto 16px;
}
.closing-sub {
  font-size: 20px;
  color: var(--accent);
  font-weight: 500;
}

/* Footer */
.footer {
  padding: 24px 0;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-left {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-left .logo-mark {
  width: 24px;
  height: 24px;
  font-size: 11px;
  border-radius: 6px;
}
.footer-text {
  font-size: 14px;
  color: var(--fg-muted);
}
.footer-right {
  font-size: 13px;
  color: var(--fg-dim);
}

/* Nav CTA */
.nav-cta {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 8px 18px;
  border-radius: 8px;
  border: 1px solid rgba(124, 106, 255, 0.2);
  text-decoration: none;
  letter-spacing: 0.01em;
  transition: border-color 0.15s, background 0.15s;
}
.nav-cta:hover {
  border-color: var(--accent);
  background: rgba(124, 106, 255, 0.22);
}

/* Hero CTA */
.hero-cta {
  display: inline-block;
  margin-bottom: 32px;
  padding: 14px 32px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  letter-spacing: -0.01em;
  transition: opacity 0.15s;
}
.hero-cta:hover { opacity: 0.85; }

/* Responsive */
@media (max-width: 768px) {
  .hero { padding: 60px 0 40px; }
  .problem-grid { grid-template-columns: 1fr; }
  .feature-row { flex-direction: column; gap: 8px; }
  .feature-number { min-width: auto; }
  .closing { padding: 80px 0; }
  .nav-cta { font-size: 12px; padding: 7px 12px; }
}