:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-accent: #1c1c28;
  --text-primary: #f0f0f5;
  --text-secondary: #9898a8;
  --text-muted: #6b6b7b;
  --accent: #c8ff00;
  --accent-dim: rgba(200, 255, 0, 0.1);
  --accent-glow: rgba(200, 255, 0, 0.15);
  --border: #252535;
  --gradient-start: #c8ff00;
  --gradient-end: #80e000;
}

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

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 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: 1120px;
  margin: 0 auto;
  padding: 0 24px;
}

/* -------- HERO -------- */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 120px 24px 80px;
  text-align: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
}

.hero-badge {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  border: 1px solid rgba(200, 255, 0, 0.2);
  border-radius: 100px;
  padding: 8px 20px;
  margin-bottom: 32px;
}

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

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

.hero .lede {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

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

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

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

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* -------- SECTIONS -------- */
section {
  padding: 100px 24px;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.7;
}

/* -------- PROBLEM -------- */
.problem {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  max-width: 1120px;
  margin: 0 auto;
}

.pain-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.pain-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.pain-list li::before {
  content: '\2715';
  color: #ff4466;
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 4px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
}

.stat-card .big-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 4.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}

.stat-card .stat-label {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* -------- SOLUTION -------- */
.solution {
  text-align: center;
}

.solution-box {
  background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-accent) 100%);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 60px 48px;
  max-width: 800px;
  margin: 48px auto 0;
  position: relative;
  overflow: hidden;
}

.solution-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}

.split-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-top: 40px;
  flex-wrap: wrap;
}

.split-side {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 32px;
  min-width: 220px;
  flex: 1;
  max-width: 280px;
}

.split-side h4 {
  font-size: 1rem;
  color: var(--accent);
  margin-bottom: 8px;
}

.split-side p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.split-divider {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* -------- HOW IT WORKS -------- */
.how-it-works {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1120px;
  margin: 48px auto 0;
}

.step {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px 24px;
  position: relative;
  transition: border-color 0.3s;
}

.step:hover {
  border-color: rgba(200, 255, 0, 0.3);
}

.step-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 16px;
}

.step h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

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

/* -------- BENEFITS -------- */
.benefits {
  text-align: center;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 1120px;
  margin: 48px auto 0;
}

.benefit-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 24px;
  text-align: left;
  transition: transform 0.2s, border-color 0.3s;
}

.benefit-card:hover {
  transform: translateY(-3px);
  border-color: rgba(200, 255, 0, 0.25);
}

.benefit-icon {
  font-size: 1.5rem;
  margin-bottom: 16px;
  display: block;
}

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

.benefit-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* -------- NICHES -------- */
.niches {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.niche-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 800px;
  margin: 40px auto 0;
}

.niche-tag {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 12px 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: border-color 0.3s, color 0.3s;
}

.niche-tag:hover {
  border-color: rgba(200, 255, 0, 0.3);
  color: var(--text-primary);
}

/* -------- FAQ -------- */
.faq {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.faq-list {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 28px 0;
}

.faq-item:first-child {
  border-top: 1px solid var(--border);
}

.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.faq-item p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

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

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

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

.closing h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.2rem);
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.closing h2 .highlight {
  color: var(--accent);
}

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

/* -------- FOOTER -------- */
footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}

footer p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* -------- RESPONSIVE -------- */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .steps-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .split-visual {
    flex-direction: column;
    gap: 16px;
  }

  .split-side {
    max-width: 100%;
  }

  .hero-stats {
    gap: 32px;
  }

  section {
    padding: 72px 20px;
  }

  .solution-box {
    padding: 40px 24px;
  }
}

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

  .hero {
    padding: 100px 20px 60px;
    min-height: auto;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }
}