:root {
  --bg: #0F1923;
  --surface: #162030;
  --surface-2: #1D2D3E;
  --fg: #F5F5F0;
  --fg-muted: #7A8FA6;
  --accent: #00E5B4;
  --accent-dim: rgba(0, 229, 180, 0.12);
  --border: rgba(255,255,255,0.07);
}

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

html { font-size: 16px; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: 'Fraunces', Georgia, serif; font-weight: 600; line-height: 1.15; }

/* HERO */
.hero { padding: 80px 24px 72px; }
.hero-inner { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.hero-kicker { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 20px; }
.hero-headline { font-size: clamp(2.4rem, 5vw, 3.8rem); font-weight: 700; margin-bottom: 24px; color: var(--fg); }
.hero-lede { font-size: 1.05rem; color: var(--fg-muted); line-height: 1.75; max-width: 480px; }

/* TERMINAL */
.terminal-window { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; box-shadow: 0 24px 48px rgba(0,0,0,0.4); }
.terminal-bar { background: var(--surface-2); padding: 10px 16px; display: flex; align-items: center; gap: 6px; }
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.red { background: #FF5F57; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #27C93F; }
.terminal-title { font-size: 0.72rem; color: var(--fg-muted); margin-left: 8px; font-family: 'DM Sans', monospace; }
.terminal-body { padding: 20px 24px; display: flex; flex-direction: column; gap: 10px; }
.terminal-line { font-size: 0.78rem; color: var(--fg-muted); font-family: 'DM Sans', monospace; line-height: 1.5; }
.terminal-line .prompt { color: var(--accent); margin-right: 8px; }
.terminal-line.highlight { color: var(--accent); font-weight: 500; }
.terminal-line.muted { color: #3D5266; font-size: 0.72rem; }

/* AGENT DEMO */
.agent-demo { padding: 0 24px 80px; background: var(--bg); }
.demo-inner { max-width: 1120px; margin: 0 auto; }
.demo-label { font-size: 0.72rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-muted); margin-bottom: 32px; }
.demo-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.demo-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 24px; display: flex; gap: 16px; align-items: flex-start; transition: border-color 0.2s; }
.demo-card:hover { border-color: rgba(0,229,180,0.25); }
.card-icon { color: var(--accent); flex-shrink: 0; margin-top: 2px; }
.demo-card h3 { font-family: 'Fraunces', Georgia, serif; font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.demo-card p { font-size: 0.875rem; color: var(--fg-muted); line-height: 1.65; }

/* FEATURES */
.features { padding: 80px 24px; background: var(--surface); }
.features-inner { max-width: 1120px; margin: 0 auto; }
.features-header { margin-bottom: 56px; }
.section-kicker { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; color: var(--accent); margin-bottom: 16px; }
.section-headline { font-size: clamp(1.8rem, 3.5vw, 2.6rem); color: var(--fg); }
.features-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.feature-item { border-top: 1px solid var(--border); padding-top: 28px; }
.feature-num { font-size: 0.72rem; font-weight: 600; color: var(--accent); display: block; margin-bottom: 12px; font-family: 'DM Sans', monospace; }
.feature-item h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 10px; color: var(--fg); }
.feature-item p { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.7; }

/* HOW IT WORKS */
.how-it-works { padding: 80px 24px; }
.hiw-inner { max-width: 1120px; margin: 0 auto; }
.hiw-inner .section-headline { margin-bottom: 48px; }
.steps-row { display: flex; align-items: flex-start; gap: 16px; }
.step { flex: 1; }
.step-circle { width: 40px; height: 40px; border-radius: 50%; background: var(--accent-dim); border: 1px solid rgba(0,229,180,0.25); color: var(--accent); font-family: 'Fraunces', serif; font-size: 1.1rem; font-weight: 700; display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.step h3 { font-size: 0.95rem; font-weight: 600; margin-bottom: 8px; color: var(--fg); }
.step p { font-size: 0.85rem; color: var(--fg-muted); line-height: 1.6; }
.step-arrow { flex-shrink: 0; color: var(--fg-muted); margin-top: 10px; }

/* WAVEFORM */
.waveform-section { padding: 48px 24px 64px; }
.waveform-inner { max-width: 1120px; margin: 0 auto; }
.waveform-visual { overflow: hidden; }
.waveform-svg { width: 100%; height: 60px; }
.wave { animation: wave-shift 4s ease-in-out infinite; }
.wave-2 { animation-delay: 0.8s; }
.wave-3 { animation-delay: 1.6s; }
@keyframes wave-shift {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(-20px); }
}
.waveform-tagline { text-align: center; margin-top: 24px; }
.tagline-text { font-family: 'Fraunces', serif; font-size: 1.1rem; font-style: italic; color: var(--fg-muted); letter-spacing: 0.03em; }

/* CLOSING */
.closing { padding: 80px 24px; background: var(--surface); }
.closing-inner { max-width: 680px; margin: 0 auto; text-align: center; }
.closing-headline { font-size: clamp(1.8rem, 3vw, 2.6rem); color: var(--fg); margin-bottom: 24px; }
.closing-sub { font-size: 1rem; color: var(--fg-muted); line-height: 1.75; }

/* FOOTER */
.footer { padding: 40px 24px; border-top: 1px solid var(--border); }
.footer-inner { max-width: 1120px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-logo { font-family: 'Fraunces', serif; font-size: 1.1rem; font-weight: 700; color: var(--fg); }
.footer-tagline { font-size: 0.8rem; color: var(--fg-muted); margin-top: 4px; }
.footer-meta p { font-size: 0.8rem; color: var(--fg-muted); text-align: right; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { order: -1; }
  .demo-cards { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-row { flex-direction: column; gap: 32px; }
  .step-arrow { display: none; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-meta p { text-align: left; }
  .closing-inner { text-align: left; }
}

@media (max-width: 480px) {
  .hero { padding: 56px 16px 48px; }
  .features, .how-it-works, .closing, .agent-demo { padding-left: 16px; padding-right: 16px; }
  .footer { padding-left: 16px; padding-right: 16px; }
}