:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a25;
  --fg: #e8e6e3;
  --fg-muted: #8a8890;
  --accent: #f97316;
  --accent-soft: rgba(249, 115, 22, 0.12);
  --accent-glow: rgba(249, 115, 22, 0.25);
  --green: #22c55e;
  --green-soft: rgba(34, 197, 94, 0.12);
  --red-soft: rgba(239, 68, 68, 0.08);
  --red-muted: #a0616b;
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --max-w: 1080px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* ── HERO ── */
.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 80px 24px 60px;
  position: relative;
  overflow: hidden;
  background: 
    radial-gradient(ellipse 60% 50% at 70% 0%, var(--accent-glow), transparent),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(99, 102, 241, 0.08), transparent),
    var(--bg);
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  color: #fff;
  margin-bottom: 28px;
  max-width: 700px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 56px;
  line-height: 1.7;
}

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

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

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

/* ── DIFFERENCE ── */
.difference {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

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

.difference h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #fff;
  margin-bottom: 48px;
  max-width: 600px;
}

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

.comparison-card {
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.comparison-card.old {
  background: var(--red-soft);
}

.comparison-card.new {
  background: var(--green-soft);
  border-color: rgba(34, 197, 94, 0.15);
}

.comparison-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.comparison-card.old .comparison-label {
  color: var(--red-muted);
}

.comparison-card.new .comparison-label {
  color: var(--green);
}

.comparison-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.comparison-card ul li {
  font-size: 0.95rem;
  color: var(--fg-muted);
  padding-left: 24px;
  position: relative;
}

.comparison-card.old ul li::before {
  content: '\2715';
  position: absolute;
  left: 0;
  color: var(--red-muted);
  font-size: 0.85rem;
}

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

/* ── HOW ── */
.how {
  padding: 100px 24px;
}

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

.how h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #fff;
  margin-bottom: 12px;
}

.how-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 56px;
}

.phases {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.phase {
  padding: 32px 28px;
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

.phase:hover {
  border-color: rgba(249, 115, 22, 0.3);
}

.phase-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.phase h3 {
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 12px;
}

.phase p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ── FOUNDERS ── */
.founders {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

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

.founders h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #fff;
  margin-bottom: 20px;
}

.founders-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  max-width: 640px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.founder-logos {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.logo-tag {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 100px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--fg-muted);
  font-size: 0.85rem;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 500;
}

/* ── CLOSING ── */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
  background:
    radial-gradient(ellipse 50% 40% at 50% 100%, var(--accent-glow), transparent),
    var(--bg);
}

.closing-inner {
  max-width: 680px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #fff;
  margin-bottom: 24px;
}

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

/* ── FOOTER ── */
.site-footer {
  padding: 40px 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-weight: 700;
  font-size: 1.1rem;
  color: #fff;
}

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

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .comparison {
    grid-template-columns: 1fr;
  }
  
  .phases {
    grid-template-columns: 1fr;
  }
  
  .hero {
    min-height: auto;
    padding: 60px 20px 48px;
  }
  
  .hero-stats {
    gap: 20px;
  }
  
  .stat-divider {
    display: none;
  }
  
  .difference, .how, .founders {
    padding: 64px 20px;
  }
  
  .closing {
    padding: 80px 20px;
  }
  
  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}