:root {
  --bg: #0a0f1a;
  --bg-card: #111827;
  --bg-elevated: #1a2236;
  --fg: #e8ecf4;
  --fg-muted: #8b95a8;
  --accent: #f59e0b;
  --accent-glow: rgba(245, 158, 11, 0.15);
  --border: rgba(255,255,255,0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1100px;
  --space: clamp(1.5rem, 4vw, 3rem);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

/* ── HERO ── */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space);
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 30% 20%, rgba(245,158,11,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(59,130,246,0.05) 0%, transparent 60%),
              var(--bg);
}

.hero-inner {
  max-width: var(--max-w);
  width: 100%;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(245,158,11,0.25);
  padding: 0.4em 1em;
  border-radius: 100px;
  margin-bottom: 1.5rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.hero h1 .accent {
  color: var(--accent);
}

.lede {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 640px;
  margin-bottom: 2.5rem;
}

.hero-stat {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  max-width: 480px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* ── PROBLEM ── */
.problem {
  padding: calc(var(--space) * 2.5) var(--space);
  background: var(--bg-card);
}

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

.problem h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.problem-desc {
  color: var(--fg-muted);
  font-size: 1.1rem;
  max-width: 560px;
  margin-bottom: 2.5rem;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.problem-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
}

.problem-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  opacity: 0.7;
}

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

.problem-card p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ── FEATURES ── */
.features {
  padding: calc(var(--space) * 2.5) var(--space);
}

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

.features h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.features-subtitle {
  color: var(--fg-muted);
  font-size: 1.1rem;
  margin-bottom: 3rem;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.feature-item {
  display: flex;
  gap: 2rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}

.feature-item:first-child {
  border-top: 1px solid var(--border);
}

.feature-marker {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  min-width: 2.5rem;
  padding-top: 0.15rem;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.feature-content p {
  color: var(--fg-muted);
  font-size: 0.98rem;
  line-height: 1.55;
  max-width: 600px;
}

/* ── NUMBERS ── */
.numbers {
  padding: calc(var(--space) * 2) var(--space);
  background: var(--bg-card);
}

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

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.number-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.number-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.4;
}

/* ── CLOSING ── */
.closing {
  padding: calc(var(--space) * 3) var(--space);
  text-align: center;
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.2rem;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.65;
}

/* ── FOOTER ── */
.site-footer {
  padding: 2.5rem var(--space);
  border-top: 1px solid var(--border);
}

.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: 1.1rem;
}

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

/* ── RESPONSIVE ── */
@media (max-width: 768px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
  .numbers-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .feature-item {
    flex-direction: column;
    gap: 0.5rem;
  }
  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
  .hero {
    min-height: auto;
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}