:root {
  --bg: #0a0a0c;
  --bg-elevated: #111114;
  --bg-card: #16161a;
  --fg: #e8e8ed;
  --fg-muted: #8b8b96;
  --fg-dim: #5a5a66;
  --accent: #22c55e;
  --accent-glow: rgba(34, 197, 94, 0.15);
  --accent-dim: #16a34a;
  --border: #1e1e24;
  --radius: 12px;
  --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;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.hero > * { position: relative; z-index: 1; }

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(34, 197, 94, 0.25);
  padding: 8px 20px;
  border-radius: 100px;
  margin-bottom: 40px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  max-width: 800px;
}

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

.lede {
  font-size: clamp(1.05rem, 2vw, 1.25rem);
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 28px 48px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stat { text-align: center; }

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* =========== PROBLEM =========== */
.problem {
  padding: 120px 24px;
  background: var(--bg);
}

.problem-inner {
  max-width: 960px;
  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: 16px;
  line-height: 1.15;
}

.problem > .problem-inner > p {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 640px;
  margin-bottom: 56px;
  line-height: 1.65;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.problem-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: border-color 0.2s;
}

.problem-card:hover {
  border-color: rgba(34, 197, 94, 0.3);
}

.problem-icon {
  font-size: 1.5rem;
  margin-bottom: 16px;
  opacity: 0.7;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--fg);
}

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

/* =========== FEATURES =========== */
.features {
  padding: 120px 24px;
  background: var(--bg-elevated);
}

.features-inner {
  max-width: 800px;
  margin: 0 auto;
}

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

.features-header h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

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

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

.feature-item {
  display: flex;
  gap: 32px;
  padding: 36px 0;
  border-top: 1px solid var(--border);
  align-items: flex-start;
}

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

.feature-number {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  min-width: 36px;
  padding-top: 4px;
}

.feature-content h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--fg);
}

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

/* =========== NUMBERS =========== */
.numbers {
  padding: 100px 24px;
  background: var(--bg);
}

.numbers-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  text-align: center;
}

.numbers-big {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 12px;
}

.numbers-desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.5;
  max-width: 240px;
  margin: 0 auto;
}

/* =========== CLOSING =========== */
.closing {
  padding: 120px 24px;
  background: var(--bg-elevated);
  text-align: center;
}

.closing-inner {
  max-width: 720px;
  margin: 0 auto;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 24px;
}

.closing p {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* =========== FOOTER =========== */
.site-footer {
  padding: 48px 24px;
  background: var(--bg);
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 6px;
}

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

/* =========== RESPONSIVE =========== */
@media (max-width: 768px) {
  .hero { min-height: auto; padding: 80px 20px 60px; }
  .hero-stats { flex-direction: column; gap: 20px; padding: 24px 32px; }
  .stat-divider { width: 40px; height: 1px; }
  .problem { padding: 80px 20px; }
  .problem-grid { grid-template-columns: 1fr; gap: 16px; }
  .features { padding: 80px 20px; }
  .feature-item { flex-direction: column; gap: 12px; }
  .feature-number { min-width: auto; }
  .numbers { padding: 60px 20px; }
  .numbers-inner { grid-template-columns: 1fr; gap: 36px; }
  .closing { padding: 80px 20px; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 2.2rem; }
  .hero-badge { font-size: 0.65rem; padding: 6px 14px; }
  .lede { font-size: 1rem; }
}