:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --fg: #f0f0f5;
  --fg-muted: #8a8a9a;
  --accent: #00d4aa;
  --accent-dim: #00a080;
  --accent-glow: rgba(0, 212, 170, 0.15);
  --card-bg: #16161f;
  --card-border: #222230;
  --radius: 16px;
  --radius-sm: 8px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Inter', -apple-system, sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  line-height: 1.1;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  background: radial-gradient(ellipse at 50% 0%, var(--accent-glow) 0%, transparent 60%);
}

.hero-container {
  max-width: 800px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--accent-glow);
  border: 1px solid var(--accent-dim);
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin-bottom: 32px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -2px;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, #00e6c0 50%, #40ffdd 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

/* Phone mockup */
.hero-visual {
  display: flex;
  justify-content: center;
}

.phone-mockup {
  width: 240px;
  height: 380px;
  background: var(--card-bg);
  border-radius: 32px;
  border: 2px solid var(--card-border);
  padding: 16px;
  box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 60px var(--accent-glow);
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: var(--bg);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.call-ui {
  text-align: center;
}

.call-avatar {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  color: var(--bg);
  margin: 0 auto 16px;
}

.call-name {
  font-weight: 600;
  font-size: 16px;
  margin-bottom: 4px;
}

.call-status {
  font-size: 13px;
  color: var(--accent);
  margin-bottom: 20px;
}

.call-wave {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  height: 30px;
}

.call-wave span {
  width: 3px;
  background: var(--accent);
  border-radius: 3px;
  animation: wave 1.2s ease-in-out infinite;
}

.call-wave span:nth-child(1) { height: 10px; animation-delay: 0s; }
.call-wave span:nth-child(2) { height: 20px; animation-delay: 0.1s; }
.call-wave span:nth-child(3) { height: 28px; animation-delay: 0.2s; }
.call-wave span:nth-child(4) { height: 20px; animation-delay: 0.3s; }
.call-wave span:nth-child(5) { height: 10px; animation-delay: 0.4s; }

@keyframes wave {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.4); }
}

/* Stats */
.stats {
  padding: 60px 24px;
  border-top: 1px solid var(--card-border);
  border-bottom: 1px solid var(--card-border);
}

.stats-container {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -1px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--card-border);
}

/* Features */
.features {
  padding: 120px 24px;
}

.features-container {
  max-width: 1100px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 16px;
}

.section-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: var(--accent-dim);
  transform: translateY(-2px);
}

.feature-icon {
  font-size: 28px;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  font-weight: 600;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Sectors */
.sectors {
  padding: 80px 24px;
  background: var(--bg-subtle);
}

.sectors-container {
  max-width: 900px;
  margin: 0 auto;
}

.sectors-scroll {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.sector-pill {
  padding: 10px 20px;
  border-radius: 100px;
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  font-size: 0.9rem;
  color: var(--fg-muted);
  transition: all 0.2s;
}

.sector-pill:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-glow);
}

/* How */
.how {
  padding: 120px 24px;
}

.how-container {
  max-width: 900px;
  margin: 0 auto;
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 64px;
}

.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.4;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.step p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Closing */
.closing {
  padding: 120px 24px;
  text-align: center;
  background: radial-gradient(ellipse at 50% 100%, var(--accent-glow) 0%, transparent 60%);
}

.closing-container {
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* Footer */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--card-border);
}

.footer-container {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
}

.footer-links {
  display: flex;
  gap: 24px;
  color: var(--fg-muted);
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .steps {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .stats-container {
    flex-direction: column;
    gap: 24px;
  }
  
  .stat-divider {
    width: 48px;
    height: 1px;
  }
  
  .footer-container {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}