:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --bg-card: #161616;
  --fg: #e8e8e8;
  --fg-muted: #888888;
  --accent: #00e879;
  --accent-dim: rgba(0, 232, 121, 0.12);
  --accent-glow: rgba(0, 232, 121, 0.25);
  --border: #222222;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 10vw 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 6px 16px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

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

.hero-sub {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 40px;
  position: relative;
  z-index: 1;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--fg-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 100px;
  position: relative;
  z-index: 1;
}

.pill-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 10vw;
  border-top: 1px solid var(--border);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.problem-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.problem-right p {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.problem-bold {
  color: var(--fg) !important;
  font-weight: 500;
}

/* ===== FEATURES ===== */
.features {
  padding: 100px 10vw;
  border-top: 1px solid var(--border);
}

.features-header {
  margin-bottom: 64px;
}

.section-label {
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--accent);
  display: block;
  margin-bottom: 16px;
}

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  transition: border-color 0.3s ease;
}

.feature-card:hover {
  border-color: var(--accent);
}

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

.feature-number {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

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

/* ===== NUMBERS ===== */
.numbers {
  padding: 80px 10vw;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.number-item {
  text-align: center;
}

.number-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.03em;
  margin-bottom: 8px;
}

.number-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 10vw;
  border-top: 1px solid var(--border);
}

.closing-content {
  max-width: 800px;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
  margin-bottom: 24px;
}

.closing-sub {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--accent);
}

/* ===== FOOTER ===== */
.footer {
  padding: 48px 10vw;
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.9rem;
}

.footer-meta {
  color: var(--fg-muted);
  font-size: 0.75rem;
  margin-top: 16px;
  opacity: 0.6;
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
  .hero {
    padding: 60px 6vw 40px;
    min-height: 80vh;
  }

  .hero::before {
    width: 400px;
    height: 400px;
    top: -20%;
    right: -30%;
  }

  .problem {
    padding: 60px 6vw;
  }

  .problem-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .features {
    padding: 60px 6vw;
  }

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

  .feature-card {
    padding: 32px 28px;
  }

  .numbers {
    padding: 60px 6vw;
  }

  .numbers-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .closing {
    padding: 80px 6vw;
  }

  .footer {
    padding: 32px 6vw;
  }
}

@media (max-width: 480px) {
  .numbers-grid {
    grid-template-columns: 1fr;
  }

  .hero-pill {
    font-size: 0.75rem;
    padding: 8px 14px;
  }
}