:root {
  --bg: #0a0b0f;
  --bg-subtle: #12131a;
  --bg-card: #16171f;
  --fg: #e8e9ed;
  --fg-muted: #8b8d97;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.15);
  --gradient-start: #6c5ce7;
  --gradient-end: #00cec9;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 16px;
  --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);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

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

.hero-inner {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent-light);
  background: var(--accent-glow);
  border: 1px solid rgba(108, 92, 231, 0.25);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.5rem);
  margin-bottom: 24px;
  color: #fff;
}

.gradient-text {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

.hero-glow {
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(108, 92, 231, 0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 1;
}

/* ---- CTA BUTTONS ---- */
.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.cta-primary {
  display: inline-block;
  padding: 16px 36px;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 12px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 0 32px rgba(108, 92, 231, 0.35);
}

.cta-primary:hover { opacity: 0.85; transform: translateY(-1px); }

.cta-ghost {
  display: inline-block;
  padding: 16px 28px;
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  border-radius: 12px;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s;
}

.cta-ghost:hover { border-color: rgba(108, 92, 231, 0.4); color: var(--fg); }

/* ---- FEATURES ---- */
.features {
  padding: 100px 24px;
}

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

.features h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: #fff;
  margin-bottom: 12px;
}

.features-subtitle {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 580px;
  margin-bottom: 56px;
}

.feature-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: 36px 32px;
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(108, 92, 231, 0.3);
}

.feature-card-large {
  grid-column: 1 / -1;
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(108, 92, 231, 0.06) 100%);
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 16px;
  display: inline-block;
  width: 48px;
  height: 48px;
  line-height: 48px;
  text-align: center;
  background: var(--accent-glow);
  border-radius: 12px;
}

.feature-card h3 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---- HOW / COMPARISON ---- */
.how {
  padding: 100px 24px;
  background: var(--bg-subtle);
}

.how-inner {
  max-width: 900px;
  margin: 0 auto;
}

.how h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  color: #fff;
  margin-bottom: 48px;
  text-align: center;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.comparison-col {
  border-radius: var(--radius);
  padding: 36px 32px;
}

.comparison-old {
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.comparison-new {
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.1) 0%, rgba(0, 206, 201, 0.05) 100%);
  border: 1px solid rgba(108, 92, 231, 0.2);
}

.comparison-header {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--fg-muted);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
}

.comparison-new .comparison-header {
  color: var(--accent-light);
}

.comparison-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comparison-old li {
  color: var(--fg-muted);
  padding-left: 24px;
  position: relative;
}

.comparison-old li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: #e17055;
  font-size: 0.85rem;
}

.comparison-new li {
  color: var(--fg);
  padding-left: 24px;
  position: relative;
}

.comparison-new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: #00cec9;
  font-weight: 700;
}

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

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

.closing h2 {
  font-size: clamp(2rem, 4.5vw, 3.2rem);
  color: #fff;
  margin-bottom: 24px;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 32px;
  line-height: 1.75;
}

.closing-vision {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: 800px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 6px;
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.9rem;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
    padding: 80px 20px 60px;
  }

  .hero-stats {
    gap: 20px;
  }

  .stat-divider {
    display: none;
  }

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

  .feature-card-large {
    grid-column: 1;
  }

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

  .features, .how, .closing {
    padding: 64px 20px;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.4rem;
  }

  .lede {
    font-size: 1rem;
  }

  .closing h2 {
    font-size: 1.8rem;
  }
}