:root {
  --bg: #faf8f5;
  --surface: #ffffff;
  --fg: #1a1a1a;
  --fg-muted: #6b6b6b;
  --fg-subtle: #a0a0a0;
  --accent: #e8a23a;
  --accent-dark: #c4841e;
  --border: #e8e4de;
  --chat-in: #f0ece6;
  --chat-out-bg: #1a1a1a;
  --chat-out-fg: #faf8f5;
  --radius: 14px;
  --radius-sm: 8px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', system-ui, sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 245, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.5rem;
  color: var(--fg);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 0.8125rem;
  color: var(--fg-muted);
  font-weight: 400;
}

/* Hero */
.hero {
  padding: 96px 32px 80px;
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 48px;
  align-items: end;
}
.hero-eyebrow {
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 400;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-lede {
  font-size: 1.125rem;
  color: var(--fg-muted);
  max-width: 460px;
  line-height: 1.65;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.8125rem;
  color: var(--fg-muted);
  white-space: nowrap;
}
.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4ade80;
  flex-shrink: 0;
}

/* Demo */
.demo {
  padding: 0 32px 96px;
}
.demo-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.demo-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--fg-muted);
  margin-bottom: 20px;
}
.demo-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.chat-window {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  max-width: 580px;
  box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}
.chat-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg);
}
.chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--fg);
  color: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1rem;
  flex-shrink: 0;
}
.chat-meta { display: flex; flex-direction: column; gap: 2px; }
.chat-name { font-weight: 600; font-size: 0.9rem; }
.chat-status { font-size: 0.75rem; color: var(--fg-muted); }
.chat-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.chat-msg { display: flex; flex-direction: column; gap: 4px; }
.chat-inbound { align-items: flex-start; }
.chat-outbound { align-items: flex-end; }
.msg-bubble {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 0.9rem;
  line-height: 1.5;
}
.inbound {
  background: var(--chat-in);
  color: var(--fg);
  border-bottom-left-radius: 4px;
}
.outbound {
  background: var(--chat-out-bg);
  color: var(--chat-out-fg);
  border-bottom-right-radius: 4px;
}
.msg-time {
  font-size: 0.7rem;
  color: var(--fg-subtle);
  padding: 0 4px;
}
.booking-created { color: var(--accent); font-weight: 500; }

.demo-stats {
  display: flex;
  gap: 48px;
  margin-top: 32px;
}
.stat { display: flex; flex-direction: column; gap: 4px; }
.stat-val {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 2rem;
  font-weight: 400;
  color: var(--fg);
  line-height: 1;
}
.stat-label { font-size: 0.8125rem; color: var(--fg-muted); }

/* Features */
.features {
  background: var(--fg);
  color: var(--bg);
  padding: 96px 32px;
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.features .section-headline,
.features .section-sub,
.features .feature-title,
.features .feature-desc { color: inherit; }
.section-headline {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}
.section-sub {
  color: var(--fg-muted);
  margin-bottom: 56px;
  font-size: 1.0625rem;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}
.feature { display: flex; flex-direction: column; gap: 12px; }
.feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(232, 162, 58, 0.15);
  border: 1px solid rgba(232, 162, 58, 0.3);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
}
.feature-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.feature-desc { font-size: 0.9rem; color: var(--fg-muted); line-height: 1.6; }

/* How */
.how {
  padding: 96px 32px;
}
.how-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.step-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 56px;
}
.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  align-items: start;
}
.step:last-child { border-bottom: 1px solid var(--border); }
.step-num {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 2.5rem;
  color: var(--border);
  font-weight: 400;
  line-height: 1;
}
.step-text h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.step-text p { color: var(--fg-muted); font-size: 0.9375rem; }

/* Closing */
.closing {
  background: var(--bg);
  padding: 96px 32px;
  text-align: center;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}
.closing-quote {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.closing-sub {
  color: var(--fg-muted);
  font-size: 1rem;
}

/* Footer */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 32px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.footer-brand {
  font-family: 'Instrument Serif', Georgia, serif;
  font-size: 1.125rem;
}
.footer-copy {
  font-size: 0.875rem;
  color: var(--fg-muted);
}

/* Mobile */
@media (max-width: 768px) {
  .hero { padding: 64px 24px 56px; }
  .hero-inner { grid-template-columns: 1fr; gap: 24px; }
  .hero-badge { display: none; }
  .demo { padding: 0 24px 64px; }
  .demo-stats { gap: 24px; flex-wrap: wrap; }
  .feature-grid { grid-template-columns: 1fr; gap: 28px; }
  .features { padding: 64px 24px; }
  .how { padding: 64px 24px; }
  .step { grid-template-columns: 56px 1fr; gap: 20px; }
  .closing { padding: 64px 24px; }
  .nav-inner { padding: 16px 24px; }
}