:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #16161f;
  --fg: #e8e6e3;
  --fg-muted: #8a8a9a;
  --accent: #d4a012;
  --accent-glow: rgba(212, 160, 18, 0.15);
  --accent-bright: #f0c030;
  --red: #e04040;
  --green: #30c060;
  --border: rgba(255,255,255,0.06);
  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

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

html { scroll-behavior: smooth; }

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

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

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

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  border: 1px solid rgba(212, 160, 18, 0.3);
  padding: 0.4rem 1rem;
  border-radius: 2px;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

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

.hero-sub {
  font-size: clamp(1.1rem, 2vw, 1.35rem);
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
}

/* ── PROBLEM ── */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.problem-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--red);
  margin-bottom: 1.5rem;
}

.problem h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 2rem;
  max-width: 700px;
}

.problem-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1.5rem;
}

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

.stat-label {
  color: var(--fg-muted);
  font-size: 0.9rem;
  margin-top: 0.3rem;
}

/* ── FEATURES ── */
.features {
  padding: 6rem 2rem;
}

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

.features-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.features h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 3rem;
  max-width: 600px;
}

.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2rem;
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(212, 160, 18, 0.2);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: 4px;
  font-family: var(--font-mono);
  color: var(--accent);
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

/* ── HOW ── */
.how {
  padding: 6rem 2rem;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

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

.how-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.how h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 600;
  line-height: 1.25;
  margin-bottom: 3rem;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.step {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(212, 160, 18, 0.3);
  border-radius: 4px;
  flex-shrink: 0;
}

.step-content h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.3rem;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* ── CLOSING ── */
.closing {
  padding: 8rem 2rem;
  text-align: center;
}

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

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 1.5rem;
}

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

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

/* ── FOOTER ── */
.footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

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

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .hero {
    padding: 4rem 1.5rem 3rem;
  }
  .problem, .features, .how, .closing {
    padding: 4rem 1.5rem;
  }
  .step {
    flex-direction: column;
    gap: 0.8rem;
  }
}

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