/* === TYPOGRAPHY === */
:root {
  --bg-primary: #0A1628;
  --bg-secondary: #0F1E35;
  --bg-card: #122040;
  --accent-teal: #00D4AA;
  --accent-amber: #FF9F1C;
  --text-primary: #F0F4FF;
  --text-secondary: #8FA3BF;
  --text-muted: #4A6380;
  --font-display: 'Outfit', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

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

/* === NAV === */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 22, 40, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 212, 170, 0.1);
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.nav-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* === HERO === */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 80px 48px 96px;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-teal);
  margin-bottom: 24px;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-teal);
  animation: pulse-dot 2s infinite;
}

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

.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 24px;
}

.headline-period {
  color: var(--accent-teal);
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 32px;
}

.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  padding: 6px 14px;
  border-radius: 100px;
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.2);
  font-size: 0.78rem;
  color: var(--accent-teal);
  font-weight: 500;
}

/* Hero Visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.phone-mockup {
  width: 260px;
  background: var(--bg-card);
  border-radius: 24px;
  border: 1px solid rgba(0, 212, 170, 0.15);
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4), 0 0 40px rgba(0, 212, 170, 0.08);
}

.phone-header {
  background: var(--bg-secondary);
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.phone-contact {
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(0, 212, 170, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info {
  display: flex;
  flex-direction: column;
}

.contact-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-primary);
}

.contact-status {
  font-size: 0.65rem;
  color: var(--accent-teal);
}

.chat-bubble {
  margin: 8px 12px;
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  line-height: 1.5;
}

.incoming {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-bottom-left-radius: 4px;
  width: fit-content;
}

.outgoing {
  background: rgba(0, 212, 170, 0.12);
  border-bottom-right-radius: 4px;
  width: fit-content;
  margin-left: auto;
}

.ai-reply {
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.2);
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.6rem;
  color: var(--accent-teal);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.incoming-time {
  font-size: 0.6rem;
  color: var(--text-muted);
  margin: 2px 12px;
}

.typing-dots {
  display: flex;
  gap: 4px;
  align-items: center;
  padding: 4px 0;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-teal);
  animation: typing 1.4s infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-4px); opacity: 1; }
}

.phone-footer {
  padding: 8px 12px;
  font-size: 0.6rem;
  color: var(--text-muted);
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: var(--bg-card);
  border-radius: 100px;
  border: 1px solid rgba(0, 212, 170, 0.15);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-teal);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* === SERVICES === */
.services {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.services-header {
  max-width: 560px;
  margin-bottom: 48px;
}

.services-title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 12px;
}

.services-sub {
  color: var(--text-secondary);
  font-size: 1rem;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.2s, transform 0.2s;
}

.service-card:hover {
  border-color: rgba(0, 212, 170, 0.25);
  transform: translateY(-2px);
}

.service-icon {
  margin-bottom: 16px;
}

.service-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.service-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}

.service-detail {
  font-size: 0.8rem;
  color: var(--accent-teal);
  font-style: italic;
  padding: 8px 12px;
  background: rgba(0, 212, 170, 0.05);
  border-radius: 8px;
  border-left: 2px solid var(--accent-teal);
}

/* === LIVE DEMO === */
.livedemo {
  padding: 80px 48px;
  background: var(--bg-secondary);
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--accent-amber);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 40px;
}

.demo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-amber);
  animation: pulse-dot 1.5s infinite;
}

.demo-content {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.demo-headline {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: 32px;
}

.demo-scenario {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 20px;
}

.scenario-time {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.scenario-bubble {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.82rem;
  margin-bottom: 6px;
  line-height: 1.5;
}

.customer {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-bottom-left-radius: 4px;
  width: fit-content;
}

.ai {
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.15);
  color: var(--text-primary);
  border-bottom-right-radius: 4px;
  width: fit-content;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ai-badge-sm {
  font-size: 0.65rem;
  color: var(--accent-teal);
  font-weight: 500;
}

.demo-note {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-style: italic;
}

.stats-row {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.stat-item {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.stat-val {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-teal);
}

.stat-lbl {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.platform-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.platform-chip {
  padding: 5px 12px;
  border-radius: 100px;
  background: rgba(0, 212, 170, 0.08);
  border: 1px solid rgba(0, 212, 170, 0.15);
  font-size: 0.72rem;
  color: var(--accent-teal);
}

/* === NICHES === */
.niches {
  padding: 80px 48px;
  max-width: 1200px;
  margin: 0 auto;
}

.niches-inner {
  text-align: center;
}

.niches-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.niches-sub {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 auto 48px;
}

.niche-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.niche-item {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 14px;
  padding: 24px 20px;
  text-align: left;
  transition: border-color 0.2s;
}

.niche-item:hover {
  border-color: rgba(0, 212, 170, 0.2);
}

.niche-emoji {
  margin-bottom: 14px;
}

.niche-name {
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.niche-desc {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* === MANIFESTO === */
.manifesto {
  padding: 100px 48px;
  background: linear-gradient(135deg, #0A1628 0%, #0F1E35 50%, #0A1628 100%);
  border-top: 1px solid rgba(0, 212, 170, 0.1);
  border-bottom: 1px solid rgba(0, 212, 170, 0.1);
}

.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
}

.manifesto-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-amber);
  margin-bottom: 20px;
}

.manifesto-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 32px;
}

.manifesto-body {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* === FOOTER === */
.footer {
  padding: 40px 48px 32px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-top {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}

.footer-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-sep {
  color: var(--text-muted);
}

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 24px 72px;
    gap: 48px;
  }

  .hero-visual {
    order: -1;
  }

  .nav {
    padding: 16px 24px;
  }

  .services {
    padding: 60px 24px;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .livedemo {
    padding: 60px 24px;
  }

  .demo-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .niches {
    padding: 60px 24px;
  }

  .niche-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .manifesto {
    padding: 60px 24px;
  }

  .footer {
    padding: 32px 24px 24px;
  }
}

@media (max-width: 480px) {
  .niche-grid {
    grid-template-columns: 1fr;
  }

  .phone-mockup {
    width: 220px;
  }

  .hero-pills {
    gap: 8px;
  }

  .stats-row {
    gap: 16px;
  }
}