:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: #1a1a26;
  --text-primary: #f0f0f5;
  --text-secondary: #9898ab;
  --text-muted: #6b6b7e;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.3);
  --gradient-start: #6c5ce7;
  --gradient-end: #00cec9;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'DM Sans', -apple-system, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero > * { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent-light);
  margin-bottom: 32px;
  background: rgba(108, 92, 231, 0.08);
}

.hero h1 {
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

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

.hero-sub {
  max-width: 620px;
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 48px;
  line-height: 1.7;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding: 24px 40px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-light);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

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

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

.problem-eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.problem-body {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin-bottom: 48px;
  line-height: 1.7;
}

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

.contrast-card {
  padding: 32px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.contrast-card.old {
  background: rgba(255, 71, 87, 0.04);
  border-color: rgba(255, 71, 87, 0.15);
}

.contrast-card.new {
  background: rgba(108, 92, 231, 0.06);
  border-color: rgba(108, 92, 231, 0.2);
}

.contrast-label {
  display: inline-block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.contrast-card.old .contrast-label { color: #ff6b6b; }
.contrast-card.new .contrast-label { color: var(--accent-light); }

.contrast-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contrast-card li {
  font-size: 0.95rem;
  color: var(--text-secondary);
  padding-left: 20px;
  position: relative;
}

.contrast-card.old li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: #ff6b6b;
  font-size: 0.8rem;
}

.contrast-card.new li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent-light);
  font-size: 0.85rem;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.features-eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent-light);
  margin-bottom: 16px;
}

.features h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.features-sub {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 56px;
}

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

.feature-card {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

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

.feature-icon {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

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

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

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

.how-eyebrow {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent-light);
  margin-bottom: 16px;
  text-align: center;
}

.how h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  text-align: center;
  margin-bottom: 56px;
  letter-spacing: -0.02em;
}

.how-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: 1000px;
  margin: 0 auto;
}

.how-step {
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg-card);
}

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.how-step h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.how-step p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

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

.closing::before {
  content: '';
  position: absolute;
  bottom: -30%;
  left: 50%;
  transform: translateX(-50%);
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}

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

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.closing-body {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.closing-tagline {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent-light);
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 32px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.95rem;
}

.footer-divider {
  color: var(--text-muted);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { min-height: 80vh; padding: 60px 20px 40px; }
  .hero-stats { flex-direction: column; gap: 16px; padding: 20px 24px; }
  .stat-divider { width: 40px; height: 1px; }
  .problem-contrast { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .how-steps { grid-template-columns: 1fr; }
  .problem, .features, .how, .closing { padding: 60px 20px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-sub { font-size: 1rem; }
  .problem h2, .features h2, .how h2, .closing h2 { font-size: 1.6rem; }
}
/* ===== HERO CTA BUTTONS ===== */
.hero-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
  flex-wrap: wrap;
  justify-content: center;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  padding: 14px 32px;
  border-radius: 10px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
}

.hero-btn-primary {
  background: var(--accent);
  color: #fff;
}

.hero-btn-primary:hover {
  background: #7d6ff0;
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.hero-btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.hero-btn-secondary:hover {
  color: var(--text-primary);
  border-color: rgba(255,255,255,0.15);
}