:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a26;
  --fg-primary: #f0f0f5;
  --fg-secondary: #9090a8;
  --fg-muted: #606078;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --accent-glow: rgba(0, 229, 160, 0.25);
  --warning: #ff6b4a;
  --warning-dim: rgba(255, 107, 74, 0.12);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html {
  scroll-behavior: smooth;
}

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

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  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%);
  border-radius: 50%;
  pointer-events: none;
  animation: pulse-glow 6s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--warning-dim) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  animation: pulse-glow 8s ease-in-out infinite reverse;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

.hero-inner {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(0, 229, 160, 0.2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.02em;
  margin-bottom: 32px;
}

.hero-tag .dot {
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
  animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

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

.hero h1 .strike {
  color: var(--warning);
  text-decoration: line-through;
  text-decoration-thickness: 3px;
  opacity: 0.7;
}

.hero-sub {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--fg-secondary);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 48px;
}

/* ===== STAT BAR ===== */
.stat-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border-radius: 16px;
  overflow: hidden;
  max-width: 700px;
}

.stat-item {
  padding: 28px 24px;
  background: var(--bg-secondary);
  text-align: center;
}

.stat-item:first-child {
  border-radius: 16px 0 0 16px;
}

.stat-item:last-child {
  border-radius: 0 16px 16px 0;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

.stat-number.warning {
  color: var(--warning);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 4px;
  letter-spacing: 0.01em;
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 24px;
  background: var(--bg-secondary);
  position: relative;
}

.problem::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}

.problem-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fg-muted);
  margin-bottom: 16px;
}

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  max-width: 700px;
}

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

.problem-card {
  padding: 32px;
  background: var(--bg-card);
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.04);
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: rgba(255,255,255,0.08);
}

.problem-card .icon {
  font-size: 1.8rem;
  margin-bottom: 16px;
  display: block;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--fg-primary);
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

/* ===== SOLUTION ===== */
.solution {
  padding: 100px 24px;
  position: relative;
}

.solution-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.solution h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
  max-width: 650px;
}

.solution-stack {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.solution-row {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  background: var(--bg-secondary);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s;
}

.solution-row:hover {
  transform: translateX(4px);
}

.solution-row .step-label {
  padding: 28px 24px;
  background: var(--accent-dim);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent);
  display: flex;
  align-items: center;
  letter-spacing: 0.02em;
  border-right: 2px solid var(--accent);
}

.solution-row .step-content {
  padding: 28px 32px;
}

.solution-row .step-content h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.solution-row .step-content p {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.5;
}

/* ===== NICHES ===== */
.niches {
  padding: 100px 24px;
  background: var(--bg-secondary);
  position: relative;
}

.niches::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), transparent);
}

.niches-inner {
  max-width: 1000px;
  margin: 0 auto;
}

.niches h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

.niche-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.niche-card {
  padding: 28px 24px;
  background: var(--bg-card);
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.04);
  text-align: center;
  transition: border-color 0.3s, transform 0.2s;
}

.niche-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}

.niche-card .niche-icon {
  font-size: 2.2rem;
  margin-bottom: 14px;
  display: block;
}

.niche-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.niche-card p {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0.3;
}

.closing-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.closing p {
  font-size: 1.15rem;
  color: var(--fg-secondary);
  line-height: 1.7;
}

/* ===== FOOTER ===== */
.footer {
  padding: 40px 24px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.04);
}

.footer p {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }

  .stat-bar {
    grid-template-columns: 1fr;
    gap: 1px;
  }

  .stat-item:first-child,
  .stat-item:last-child {
    border-radius: 0;
  }

  .stat-item:first-child {
    border-radius: 16px 16px 0 0;
  }

  .stat-item:last-child {
    border-radius: 0 0 16px 16px;
  }

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

  .solution-row {
    grid-template-columns: 1fr;
  }

  .solution-row .step-label {
    border-right: none;
    border-bottom: 2px solid var(--accent);
    padding: 16px 24px;
  }

  .niche-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .problem,
  .solution,
  .niches {
    padding: 60px 20px;
  }

  .closing {
    padding: 80px 20px;
  }
}

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