:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-accent: #1c1c28;
  --text-primary: #f0f0f5;
  --text-secondary: #8b8b9e;
  --text-muted: #5a5a6e;
  --accent: #00e5a0;
  --accent-dim: #00e5a020;
  --accent-glow: #00e5a040;
  --orange: #ff6b35;
  --orange-dim: #ff6b3520;
  --border: #1e1e2a;
  --radius: 12px;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'DM Sans', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==================== HERO ==================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 120px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -150px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--orange-dim) 0%, transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 32px;
  letter-spacing: 0.02em;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  max-width: 800px;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero h1 .highlight {
  color: var(--accent);
}

.hero-sub {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat .number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.hero-stat .label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ==================== PROBLEM ==================== */
.problem {
  padding: 120px 0;
  position: relative;
}

.problem::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.section-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 60px;
  max-width: 600px;
  letter-spacing: -0.02em;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.problem-card {
  background: var(--bg-secondary);
  padding: 40px 32px;
}

.problem-card .icon {
  font-size: 28px;
  margin-bottom: 20px;
  display: block;
}

.problem-card h3 {
  font-size: 1.15rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.problem-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ==================== AGENTS ==================== */
.agents {
  padding: 120px 0;
  background: var(--bg-secondary);
  position: relative;
}

.agents::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.agents h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.agents .section-desc {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 60px;
}

.agent-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.agent-item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 28px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.agent-item:hover {
  border-color: var(--accent-glow);
}

.agent-icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-dim);
  border-radius: 12px;
  font-size: 24px;
}

.agent-info h3 {
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.agent-info p {
  font-size: 14px;
  color: var(--text-secondary);
}

.agent-tag {
  padding: 4px 14px;
  background: var(--accent-dim);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

/* ==================== PROOF ==================== */
.proof {
  padding: 120px 0;
  position: relative;
}

.proof::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.proof h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 60px;
  letter-spacing: -0.02em;
}

.proof-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.proof-card {
  padding: 40px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.proof-card.featured {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--accent-dim), var(--bg-secondary));
}

.proof-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

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

.proof-card p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ==================== CLOSING ==================== */
.closing {
  padding: 120px 0;
  text-align: center;
  position: relative;
  background: var(--bg-secondary);
}

.closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.closing::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 60%);
  pointer-events: none;
}

.closing .container {
  position: relative;
  z-index: 1;
}

.closing h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.closing p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ==================== FOOTER ==================== */
footer {
  padding: 40px 0;
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
}

.footer-note {
  font-size: 13px;
  color: var(--text-muted);
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
  
  .agent-item {
    grid-template-columns: 48px 1fr;
    gap: 16px;
  }
  
  .agent-tag {
    display: none;
  }

  .agent-icon {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }
  
  .proof-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-stats {
    gap: 32px;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .hero {
    padding: 80px 0 60px;
    min-height: auto;
  }

  .problem, .agents, .proof, .closing {
    padding: 80px 0;
  }
}