:root {
  --bg: #0a0e1a;
  --bg-elevated: #111729;
  --bg-card: #161d30;
  --fg: #e2e8f0;
  --fg-muted: #8892a8;
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.15);
  --accent-bright: #60a5fa;
  --orange: #f59e0b;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1100px;
}

* { 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;
}

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--accent-glow) 1px, transparent 1px),
    linear-gradient(90deg, var(--accent-glow) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.4;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
}

.hero-content {
  position: relative;
  max-width: 780px;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2.5px;
  color: var(--accent-bright);
  border: 1px solid rgba(59, 130, 246, 0.3);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 36px;
  background: var(--accent-glow);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 700;
  line-height: 1.15;
  color: #fff;
  margin-bottom: 28px;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent-bright), var(--orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── PROOF STATS ── */
.proof {
  padding: 60px 24px 80px;
  background: var(--bg);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.proof-card {
  background: var(--bg-card);
  border: 1px solid rgba(59, 130, 246, 0.12);
  border-radius: 16px;
  padding: 40px 28px;
  text-align: center;
}

.proof-number {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--accent-bright);
  margin-bottom: 12px;
}

.proof-label {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

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

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

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.features-intro {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 56px;
  max-width: 520px;
}

.feature-blocks {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-block {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 40px 32px;
  transition: border-color 0.3s;
}

.feature-block:hover {
  border-color: rgba(59, 130, 246, 0.3);
}

.feature-icon {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 20px;
  opacity: 0.7;
}

.feature-block h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
}

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

/* ── BUSINESS MODEL ── */
.model {
  padding: 100px 24px;
  background: var(--bg);
}

.model-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.model h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  margin-bottom: 48px;
}

.model-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.flow-step {
  background: var(--bg-card);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: 14px;
  padding: 28px 32px;
  min-width: 150px;
}

.flow-label {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 6px;
}

.flow-desc {
  font-size: 0.9rem;
  color: var(--accent-bright);
  font-weight: 500;
}

.flow-arrow {
  font-size: 1.8rem;
  color: var(--fg-muted);
  opacity: 0.5;
}

.model-note {
  font-size: 1rem;
  color: var(--fg-muted);
  max-width: 560px;
  margin: 0 auto;
}

/* ── CLOSING ── */
.closing {
  padding: 120px 24px;
  background: var(--bg-elevated);
  text-align: center;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  margin-bottom: 20px;
}

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

/* ── FOOTER ── */
.site-footer {
  padding: 48px 24px;
  background: var(--bg);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}

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

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .proof-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .feature-blocks {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .model-flow {
    flex-direction: column;
    gap: 12px;
  }

  .flow-arrow {
    transform: rotate(90deg);
  }

  .flow-step {
    width: 100%;
  }

  .hero {
    min-height: auto;
    padding: 80px 20px 60px;
  }

  .proof-card {
    padding: 28px 20px;
  }

  .feature-block {
    padding: 28px 24px;
  }
}