:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --fg: #e8e6e3;
  --fg-muted: #8a8694;
  --accent: #c084fc;
  --accent-glow: rgba(192, 132, 252, 0.15);
  --accent-2: #f472b6;
  --accent-3: #34d399;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius: 12px;
  --max-w: 1120px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ========== HERO ========== */
.hero {
  padding: 100px 24px 60px;
  max-width: var(--max-w);
  margin: 0 auto;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.hero-tag {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 6px 14px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.hero h1 .accent {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* Persona stack visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.persona-stack {
  display: flex;
  gap: 12px;
  transform: perspective(800px) rotateY(-8deg);
}

.persona {
  width: 80px;
  height: 200px;
  border-radius: var(--radius);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding-bottom: 14px;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.9);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.persona:hover {
  transform: translateY(-8px);
}

.p1 { background: linear-gradient(180deg, #6b21a8, #1a1a2e); }
.p2 { background: linear-gradient(180deg, #059669, #064e3b); }
.p3 { background: linear-gradient(180deg, #e11d48, #4a0420); }
.p4 { background: linear-gradient(180deg, #3b82f6, #1e1b4b); }
.p5 { background: linear-gradient(180deg, #d4a017, #3d2e00); }

/* Stats bar */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  padding: 40px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

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

.features-header {
  margin-bottom: 60px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.features-header p {
  color: var(--fg-muted);
  font-size: 1.1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.05);
  border-radius: var(--radius);
  padding: 36px;
  transition: border-color 0.3s;
}

.feature-card:hover {
  border-color: rgba(192, 132, 252, 0.2);
}

.feature-card.card-large {
  grid-column: span 2;
  background: linear-gradient(135deg, var(--bg-elevated), rgba(192, 132, 252, 0.04));
}

.feature-icon {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 10px;
}

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

/* ========== HOW ========== */
.how {
  padding: 100px 24px;
  background: linear-gradient(180deg, transparent, rgba(192, 132, 252, 0.03), transparent);
}

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

.how h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
  text-align: center;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.how-step {
  padding: 32px 24px;
  border-left: 2px solid rgba(192, 132, 252, 0.15);
}

.step-marker {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 16px;
}

.how-step h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.how-step p {
  color: var(--fg-muted);
  font-size: 0.9rem;
  line-height: 1.65;
}

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

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

.closing-number {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 28px;
}

.closing-number span {
  font-size: 0.45em;
  opacity: 0.7;
}

.closing-text {
  font-size: 1.15rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.closing-sub {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--fg);
}

/* ========== FOOTER ========== */
.footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

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

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
}

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

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-visual {
    order: -1;
  }

  .persona-stack {
    transform: none;
  }

  .persona {
    width: 56px;
    height: 140px;
    font-size: 8px;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 20px;
    text-align: center;
  }

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

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

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

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}