:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #1a1a25;
  --fg: #e8e8ed;
  --fg-muted: #8888a0;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.15);
  --border: rgba(255, 255, 255, 0.06);
  --success: #00d2a0;
  --radius: 12px;
  --max-w: 1100px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', 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;
}

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

/* HERO */
.hero {
  position: relative;
  padding: 120px 24px 80px;
  text-align: center;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent-light);
  border: 1px solid rgba(108, 92, 231, 0.3);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 40px;
  background: var(--accent-glow);
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  margin-bottom: 28px;
  letter-spacing: -0.03em;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 50px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

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

.stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent-light);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-divider {
  width: 1px;
  height: 50px;
  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;
}

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

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

.problem-label,
.features-label,
.how-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent-light);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 60px;
  letter-spacing: -0.02em;
}

.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: 36px 28px;
  transition: border-color 0.3s;
}

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

.problem-icon {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  margin-bottom: 20px;
}

.problem-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

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

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

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

.features h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 60px;
  letter-spacing: -0.02em;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

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

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

.feature-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
  min-width: 40px;
  padding-top: 4px;
}

.feature-content h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  max-width: 600px;
  line-height: 1.65;
}

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

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

.how h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 50px;
  letter-spacing: -0.02em;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comp-col {
  border-radius: var(--radius);
  padding: 36px 32px;
  border: 1px solid var(--border);
}

.comp-old {
  background: var(--bg-card);
}

.comp-new {
  background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(108, 92, 231, 0.03));
  border-color: rgba(108, 92, 231, 0.25);
}

.comp-header {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.comp-old .comp-header { color: var(--fg-muted); }
.comp-new .comp-header { color: var(--accent-light); }

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

.comp-col li {
  font-size: 0.95rem;
  color: var(--fg-muted);
  padding-left: 24px;
  position: relative;
  line-height: 1.5;
}

.comp-old li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 100, 100, 0.4);
}

.comp-new li {
  color: var(--fg);
}

.comp-new li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
}

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

.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.closing h2 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

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

.closing-glow {
  position: absolute;
  bottom: -300px;
  left: 50%;
  transform: translateX(-50%);
  width: 900px;
  height: 600px;
  background: radial-gradient(ellipse, rgba(108, 92, 231, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

/* CTA BUTTON */
.btn-hero-cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 16px 36px;
  border-radius: 100px;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s;
  box-shadow: 0 4px 24px rgba(108, 92, 231, 0.4);
}
.btn-hero-cta:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

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

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
}

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

/* RESPONSIVE */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 60px; }
  .problem-grid { grid-template-columns: 1fr; }
  .comparison { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .stat-divider { display: none; }
  .feature-row { flex-direction: column; gap: 12px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-badge { font-size: 10px; padding: 6px 16px; }
  .problem, .features, .how, .closing { padding: 60px 16px; }
}