:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --fg: #e8e6e3;
  --fg-muted: #8a8690;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.12);
  --accent-glow: rgba(0, 229, 160, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
}

.accent {
  color: var(--accent);
}

/* HERO */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 4rem 2rem;
  position: relative;
  background: radial-gradient(ellipse 60% 50% at 50% 40%, var(--accent-dim) 0%, transparent 70%);
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  border: 1px solid var(--accent);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 5rem);
  margin-bottom: 1.5rem;
  max-width: 800px;
}

.hero .lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 3rem;
}

.hero-stat {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.2rem 2rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  text-align: left;
  max-width: 220px;
}

/* PROBLEM */
.problem {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color 0.3s;
}

.problem-card:hover {
  border-color: rgba(0, 229, 160, 0.3);
}

.problem-icon {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 1rem;
  font-family: var(--font-display);
}

.problem-card h3 {
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

/* FEATURES */
.features {
  padding: 6rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.features h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 3.5rem;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-block {
  padding: 2rem;
  border-left: 2px solid var(--accent);
  position: relative;
}

.feature-num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.feature-block h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.feature-block p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* HOW IT WORKS */
.how {
  padding: 6rem 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 3rem;
  text-align: center;
}

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

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

.step-marker {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--accent);
}

.step-content h3 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.step-content p {
  font-size: 0.9rem;
  color: var(--fg-muted);
}

/* CLOSING */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
  background: radial-gradient(ellipse 50% 60% at 50% 60%, var(--accent-dim) 0%, transparent 70%);
}

.closing h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1.5rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 1.5rem;
}

.closing-vision {
  font-size: 1rem;
  color: var(--fg);
  font-style: italic;
  max-width: 550px;
  margin: 0 auto;
}

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

.footer-content {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
}

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

/* MOBILE */
@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
    padding: 3rem 1.5rem;
  }

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

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

  .problem, .features, .how, .closing {
    padding: 4rem 1.5rem;
  }

  .step {
    gap: 1rem;
  }

  .footer-content {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}