/* RepAI — Dark Amber Theme */
:root {
  --bg: #0c0c0e;
  --bg-2: #111114;
  --surface: #18181c;
  --surface-2: #222228;
  --border: rgba(255,255,255,0.07);
  --accent: #f59e0b;
  --accent-dim: rgba(245,158,11,0.12);
  --accent-glow: rgba(245,158,11,0.25);
  --text: #e8e6e1;
  --text-2: #8a8880;
  --text-3: #555450;
  --font-head: 'Syne', system-ui, sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
  --radius: 12px;
}

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

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

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

/* Nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 40px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12,12,14,0.85);
  backdrop-filter: blur(16px);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.brand-icon {
  width: 30px;
  height: 30px;
  background: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  color: #0c0c0e;
}

.nav-tagline { font-size: 0.78rem; color: var(--text-2); }

/* Hero */
.hero {
  position: relative;
  padding: 90px 40px 70px;
  overflow: hidden;
  min-height: 68vh;
  display: flex;
  align-items: center;
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,158,11,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,158,11,0.035) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 0%, black 40%, transparent 100%);
}

.hero-content { max-width: 880px; margin: 0 auto; width: 100%; position: relative; z-index: 1; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-2);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 28px;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  background: var(--surface);
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  animation: pulse 2.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 6.5vw, 5.5rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 28px;
}

.highlight { color: var(--accent); }

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-2);
  max-width: 520px;
  line-height: 1.65;
}

/* Demo */
.demo-section { padding: 0 40px 80px; }

.demo-container {
  max-width: 880px;
  margin: 0 auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
}

.demo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}

.demo-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-3);
}

.status-dot.active {
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34,197,94,0.45);
  animation: pulse 2s ease-in-out infinite;
}

.demo-timestamp { font-size: 0.73rem; color: var(--text-3); font-weight: 500; }

.chat-window { padding: 24px; max-height: 460px; overflow-y: auto; }
.chat-window::-webkit-scrollbar { width: 6px; }
.chat-window::-webkit-scrollbar-track { background: transparent; }
.chat-window::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 3px; }

.chat-thread { display: flex; flex-direction: column; gap: 14px; }

.msg { display: flex; flex-direction: column; max-width: 82%; animation: fadeInUp 0.35s ease; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.msg-user { align-self: flex-end; }
.msg-ai { align-self: flex-start; }

.msg-bubble {
  padding: 11px 15px;
  border-radius: 16px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--text);
}

.msg-user .msg-bubble {
  background: var(--surface-2);
  border-bottom-right-radius: 4px;
}

.ai-bubble {
  background: var(--accent-dim);
  border: 1px solid rgba(245,158,11,0.18);
  border-bottom-left-radius: 4px;
}

.msg-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
  padding-left: 4px;
}

.ai-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.ai-status { font-size: 0.7rem; color: var(--text-3); }
.ai-status.booking { color: #22c55e; }

.booking-confirm {
  margin-top: 10px;
  padding: 9px 12px;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: 8px;
  color: #22c55e;
  font-weight: 500;
  font-size: 0.82rem;
}

.lead-captured {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: rgba(34,197,94,0.08);
  border: 1px solid rgba(34,197,94,0.2);
  border-radius: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  color: #22c55e;
  align-self: flex-start;
  animation: fadeInUp 0.4s ease 1.5s both;
}

.demo-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-2);
}

.cta-label { font-size: 0.78rem; color: var(--text-2); font-style: italic; }

/* Features */
.features { padding: 80px 40px; border-top: 1px solid var(--border); }

.section-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 14px;
}

.section-headline {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  max-width: 540px;
  margin-bottom: 48px;
  letter-spacing: -0.025em;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  max-width: 880px;
  margin: 0 auto;
}

.feature-card {
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.feature-card:hover {
  border-color: rgba(245,158,11,0.25);
  box-shadow: 0 0 0 1px rgba(245,158,11,0.06), 0 12px 40px rgba(0,0,0,0.35);
}

.feature-icon { margin-bottom: 16px; opacity: 0.9; }

.feature-title {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 9px;
}

.feature-desc { font-size: 0.86rem; color: var(--text-2); line-height: 1.6; }

/* Outcomes */
.outcomes { padding: 80px 40px; border-top: 1px solid var(--border); background: var(--bg-2); }

.outcomes-grid {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
}

.outcome { padding: 0 40px; }

.outcome-number {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: -0.04em;
}

.outcome-label {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.3;
}

.outcome-source { font-size: 0.76rem; color: var(--text-3); line-height: 1.4; }

.outcome-divider { width: 1px; height: 80px; background: var(--border); }

/* Vision */
.vision { padding: 100px 40px; }

.vision-content { max-width: 880px; margin: 0 auto; text-align: center; }

.vision-line {
  width: 48px;
  height: 3px;
  background: var(--accent);
  margin: 0 auto 40px;
  border-radius: 2px;
}

.vision-text {
  font-family: var(--font-head);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  letter-spacing: -0.025em;
  margin-bottom: 24px;
}

.vision-attribution { font-size: 0.95rem; color: var(--text-2); font-style: italic; }

/* Footer */
.footer { padding: 40px; border-top: 1px solid var(--border); text-align: center; }

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}

.footer-brand-icon {
  width: 26px;
  height: 26px;
  background: var(--accent);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.78rem;
  color: #0c0c0e;
}

.footer-tagline { font-size: 0.8rem; color: var(--text-3); }

/* Responsive */
@media (max-width: 768px) {
  .nav { padding: 14px 20px; }
  .nav-tagline { display: none; }
  .hero { padding: 52px 20px 44px; min-height: auto; }
  .hero-headline { font-size: 2.4rem; }
  .hero-sub { font-size: 0.98rem; }
  .demo-section { padding: 0 20px 60px; }
  .features { padding: 60px 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .outcomes { padding: 60px 20px; }
  .outcomes-grid { grid-template-columns: 1fr; gap: 36px; }
  .outcome { padding: 0; text-align: center; }
  .outcome-divider { width: 48px; height: 1px; margin: 0 auto; }
  .vision { padding: 60px 20px; }
  .msg { max-width: 94%; }
  .outcome-number { font-size: 2.4rem; }
}