:root {
  --bg: #0a0a0f;
  --bg-surface: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e8ec;
  --fg-muted: #8888a0;
  --accent: #00e68a;
  --accent-dim: rgba(0, 230, 138, 0.12);
  --accent-glow: rgba(0, 230, 138, 0.25);
  --border: rgba(255, 255, 255, 0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --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: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

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

/* ===== HERO ===== */
.hero {
  padding: 120px 24px 80px;
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 8px 16px;
  border-radius: 100px;
  margin-bottom: 32px;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.8rem);
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 620px;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}

.hero-stat {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  position: relative;
  z-index: 1;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  flex-shrink: 0;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--fg-muted);
  max-width: 400px;
}

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

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.problem-left h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  position: sticky;
  top: 40px;
}

.problem-right {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.problem-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
}

.problem-icon {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.problem-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

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

.tools-header {
  margin-bottom: 56px;
}

.tools-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 12px;
}

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

.tools-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.tool-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  transition: border-color 0.2s ease;
}

.tool-card:hover {
  border-color: rgba(0, 230, 138, 0.3);
}

.tool-featured {
  border-color: rgba(0, 230, 138, 0.2);
  background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(0, 230, 138, 0.04) 100%);
}

.tool-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.tool-card h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
}

.tool-card p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ===== NUMBERS ===== */
.numbers {
  padding: 80px 24px;
  margin: 40px auto;
  max-width: var(--max-w);
}

.numbers-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px;
}

.number-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
}

.big-num {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.num-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
  max-width: 200px;
}

.number-divider {
  width: 1px;
  height: 80px;
  background: var(--border);
  flex-shrink: 0;
}

/* ===== CLOSING ===== */
.closing {
  padding: 100px 24px 80px;
  max-width: var(--max-w);
  margin: 0 auto;
  text-align: center;
}

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

.closing h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  margin-bottom: 20px;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 32px;
}

.closing-tagline {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: -0.01em;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
  max-width: var(--max-w);
  margin: 0 auto;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 80px 20px 60px; }

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

  .problem-left h2 { position: static; }

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

  .numbers-inner {
    flex-direction: column;
    gap: 32px;
    padding: 32px;
  }

  .number-divider {
    width: 60px;
    height: 1px;
  }

  .hero-stat {
    flex-direction: column;
    gap: 8px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2rem; }
  .closing h2 { font-size: 1.6rem; }
  .tools-header h2 { font-size: 1.6rem; }
  .problem-left h2 { font-size: 1.6rem; }
}