:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-card-hover: #1c1c28;
  --fg-primary: #f0efe8;
  --fg-secondary: #9a9a9a;
  --fg-muted: #5a5a6a;
  --accent: #e8a832;
  --accent-dim: #c48a1a;
  --accent-glow: rgba(232, 168, 50, 0.15);
  --border: #222230;
  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --radius: 8px;
  --max-width: 1100px;
}

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

html {
  font-size: 16px;
  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;
}

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

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232,168,50,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232,168,50,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 80%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--max-width);
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  color: var(--accent);
  border: 1px solid var(--accent-dim);
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 32px;
  background: var(--accent-glow);
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--fg-secondary);
  max-width: 620px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

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

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

.stat-number {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}

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

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

.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.problem-label,
.how-label,
.features-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.problem h2,
.how h2,
.features h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
}

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

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s;
}

.problem-card:hover {
  border-color: var(--accent-dim);
}

.problem-icon {
  font-size: 1.5rem;
  color: var(--accent);
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-weight: 700;
}

.problem-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ===== HOW IT WORKS ===== */
.how {
  padding: 100px 24px;
  background: var(--bg-primary);
}

.how-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.how-step {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

.how-step:last-child {
  border-bottom: none;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--accent);
  min-width: 80px;
  line-height: 1;
  padding-top: 4px;
}

.step-content h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 0.95rem;
  color: var(--fg-secondary);
  line-height: 1.65;
  max-width: 560px;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 24px;
  background: var(--bg-secondary);
}

.features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s, background 0.2s;
}

.feature-card:hover {
  border-color: var(--accent-dim);
  background: var(--bg-card-hover);
}

.feature-card-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(232,168,50,0.06) 100%);
  border-color: var(--accent-dim);
}

.feature-tag {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--accent);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.92rem;
  color: var(--fg-secondary);
  line-height: 1.65;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  background: var(--bg-primary);
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  position: relative;
}

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-secondary);
  line-height: 1.75;
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-brand {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg-primary);
  margin-bottom: 4px;
}

.footer-sub {
  font-size: 0.82rem;
  color: var(--fg-muted);
  font-family: var(--font-mono);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-card-large {
    grid-column: 1;
  }
  
  .how-step {
    flex-direction: column;
    gap: 12px;
  }
  
  .step-num {
    font-size: 1.8rem;
    min-width: auto;
  }
  
  .hero-stat-row {
    gap: 32px;
  }
  
  .hero {
    min-height: 80vh;
    padding: 60px 20px;
  }
  
  .problem,
  .how,
  .features {
    padding: 64px 20px;
  }
  
  .closing {
    padding: 80px 20px;
  }
}