:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #1a1a26;
  --fg: #e8e6e3;
  --fg-muted: #8a8a9a;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.12);
  --accent-glow: rgba(0, 212, 170, 0.25);
  --warm: #ff6b35;
  --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: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.15;
}

/* ═══ HERO ═══ */
.hero {
  position: relative;
  padding: 140px 24px 100px;
  overflow: hidden;
}

.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  background: var(--accent-dim);
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(42px, 7vw, 80px);
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

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

.lede {
  font-size: 19px;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.65;
  margin-bottom: 56px;
}

.hero-stats {
  display: flex;
  gap: 40px;
  align-items: center;
  flex-wrap: wrap;
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--fg);
}

.stat-label {
  display: block;
  font-size: 13px;
  color: var(--fg-muted);
  margin-top: 4px;
  max-width: 180px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,0.08);
}

.hero-gradient {
  position: absolute;
  top: -200px;
  right: -200px;
  width: 700px;
  height: 700px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  z-index: 1;
  pointer-events: none;
}

/* ═══ PROBLEM ═══ */
.problem {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

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

.problem-label,
.how-label,
.feature-tag {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.problem h2,
.how h2 {
  font-size: clamp(30px, 4vw, 48px);
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.problem-card {
  background: var(--bg);
  border-radius: 16px;
  padding: 36px 28px;
  border: 1px solid rgba(255,255,255,0.05);
  transition: border-color 0.3s;
}

.problem-card.highlight {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg) 0%, rgba(0,212,170,0.05) 100%);
}

.problem-icon {
  font-size: 24px;
  margin-bottom: 20px;
  color: var(--fg-muted);
}

.problem-card.highlight .problem-icon {
  color: var(--accent);
}

.problem-card h3 {
  font-size: 18px;
  margin-bottom: 12px;
}

.problem-card p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ═══ HOW ═══ */
.how {
  padding: 100px 24px;
}

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

.steps {
  display: grid;
  gap: 0;
}

.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 40px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.step:last-child {
  border-bottom: none;
}

.step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  color: rgba(255,255,255,0.06);
  line-height: 1;
}

.step-content h3 {
  font-size: 22px;
  margin-bottom: 8px;
}

.step-content p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
  max-width: 520px;
}

/* ═══ FEATURES ═══ */
.features {
  padding: 80px 24px 100px;
  background: var(--bg-elevated);
}

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

.feature-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

.feature-row:last-child {
  grid-template-columns: 1fr 1.4fr;
}

.feature-block {
  background: var(--bg);
  border-radius: 16px;
  padding: 40px 32px;
  border: 1px solid rgba(255,255,255,0.05);
}

.feature-block h3 {
  font-size: 22px;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-block p {
  font-size: 15px;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ═══ CLOSING ═══ */
.closing {
  padding: 120px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

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

.closing h2 {
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.closing-text {
  font-size: 17px;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 48px;
}

.closing-accent {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ═══ FOOTER ═══ */
.site-footer {
  padding: 40px 24px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.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: 600;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.footer-meta {
  font-size: 13px;
  color: var(--fg-muted);
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .hero { padding: 100px 20px 72px; }
  .problem-grid { grid-template-columns: 1fr; }
  .step { grid-template-columns: 1fr; gap: 12px; }
  .step-num { font-size: 36px; }
  .feature-row,
  .feature-row:last-child { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; }
  .stat-divider { display: none; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
}

@media (max-width: 480px) {
  .hero h1 { font-size: 36px; }
  .lede { font-size: 16px; }
  .problem h2, .how h2, .closing h2 { font-size: 26px; }
}