:root {
  --bg: #0a0a0f;
  --bg-subtle: #111118;
  --fg: #e8e6e1;
  --fg-muted: #8a8780;
  --accent: #c084fc;
  --accent-warm: #f472b6;
  --accent-glow: rgba(192, 132, 252, 0.15);
  --card-bg: #16161f;
  --card-border: #1e1e2a;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  padding: 4rem 2rem;
  text-align: center;
  overflow: hidden;
}

.hero-glow {
  position: absolute;
  top: -20%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(192,132,252,0.08) 0%, rgba(244,114,182,0.04) 40%, transparent 70%);
  pointer-events: none;
}

.hero-content { position: relative; z-index: 2; max-width: 800px; }

.hero-tag {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.85rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.8;
}

.hero-visual {
  position: relative;
  margin-top: 4rem;
  width: 200px;
  height: 200px;
}

.pulse-ring {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 100px; height: 100px;
  border: 1px solid var(--accent);
  border-radius: 50%;
  opacity: 0;
  animation: pulse 3s ease-out infinite;
}

.pulse-ring.delay-1 { animation-delay: 1s; }
.pulse-ring.delay-2 { animation-delay: 2s; }

@keyframes pulse {
  0% { width: 40px; height: 40px; opacity: 0.6; }
  100% { width: 200px; height: 200px; opacity: 0; }
}

.center-dot {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 12px; height: 12px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 20px var(--accent), 0 0 60px rgba(192,132,252,0.3);
}

/* ===== PROBLEM ===== */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-subtle);
}

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

.problem h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.problem p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 2.5rem;
}

.problem-stat {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
}

.stat-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 3rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--fg-muted);
  font-size: 1rem;
}

/* ===== FEATURES ===== */
.features {
  padding: 6rem 2rem;
}

.features-header {
  text-align: center;
  max-width: 600px;
  margin: 0 auto 4rem;
}

.features-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.features-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color 0.3s ease, transform 0.3s ease;
}

.feature-card:hover {
  border-color: rgba(192,132,252,0.3);
  transform: translateY(-2px);
}

.feature-card.highlight {
  border-color: rgba(192,132,252,0.2);
  background: linear-gradient(135deg, var(--card-bg), rgba(192,132,252,0.05));
}

.feature-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ===== HOW ===== */
.how {
  padding: 6rem 2rem;
  background: var(--bg-subtle);
}

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

.how h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 3rem;
  text-align: center;
}

.how-steps {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.step {
  display: flex;
  gap: 2rem;
  align-items: flex-start;
}

.step-num {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-warm));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
  min-width: 60px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* ===== CLOSING ===== */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(192,132,252,0.06) 0%, transparent 70%);
  pointer-events: none;
}

.closing-inner {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  line-height: 1.3;
  margin-bottom: 1.5rem;
}

.closing-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 2rem;
  border-top: 1px solid var(--card-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  color: var(--fg-muted);
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--fg);
}

.footer-divider {
  opacity: 0.3;
}

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

  .step {
    flex-direction: column;
    gap: 0.75rem;
  }

  .step-num {
    font-size: 2rem;
    min-width: auto;
  }

  .hero {
    min-height: auto;
    padding: 6rem 1.5rem 4rem;
  }

  .problem,
  .features,
  .how,
  .closing {
    padding: 4rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .problem-stat {
    flex-direction: column;
    gap: 0.25rem;
  }

  .stat-number {
    font-size: 2.5rem;
  }
}