:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-card: #16161f;
  --bg-accent: #1a1a25;
  --text-primary: #e8e8ed;
  --text-secondary: #8a8a9a;
  --text-muted: #5a5a6a;
  --accent: #b4f068;
  --accent-dim: rgba(180, 240, 104, 0.12);
  --accent-glow: rgba(180, 240, 104, 0.06);
  --border: rgba(255,255,255,0.06);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

.section-tag {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 1.5rem;
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border: 1px solid rgba(180, 240, 104, 0.25);
  border-radius: 100px;
}

/* ---- HERO ---- */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6rem 2rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.hero-sub {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 540px;
  line-height: 1.7;
}

.hero-stat-row {
  display: flex;
  gap: 1rem;
  margin-top: 4rem;
  flex-wrap: wrap;
}

.stat-pill {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem 1.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1;
  min-width: 160px;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

/* ---- PROBLEM ---- */
.problem {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.problem-left h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  position: sticky;
  top: 2rem;
}

.problem-right p {
  color: var(--text-secondary);
  margin-bottom: 1.2rem;
  font-size: 1.05rem;
}

.problem-highlight {
  color: var(--accent) !important;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem !important;
  margin-top: 1rem;
}

/* ---- APPROACH ---- */
.approach {
  padding: 6rem 2rem;
}

.approach-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.approach h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

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

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.2rem;
  transition: border-color 0.3s ease;
}

.card:hover {
  border-color: rgba(180, 240, 104, 0.2);
}

.card-number {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.2rem;
  opacity: 0.6;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  letter-spacing: -0.01em;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
}

/* ---- VERTICALS ---- */
.verticals {
  padding: 6rem 2rem;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.verticals-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.verticals h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 3rem;
}

.vertical-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.vertical-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.8rem;
  transition: transform 0.2s ease, border-color 0.3s ease;
}

.vertical-item:hover {
  transform: translateY(-2px);
  border-color: rgba(180, 240, 104, 0.15);
}

.v-icon {
  font-size: 1.6rem;
  margin-bottom: 0.8rem;
  opacity: 0.7;
}

.v-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.v-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ---- CLOSING ---- */
.closing {
  padding: 8rem 2rem;
  text-align: center;
  background: radial-gradient(ellipse at 50% 80%, var(--accent-glow) 0%, transparent 60%);
}

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

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ---- FOOTER ---- */
.site-footer {
  padding: 3rem 2rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.3rem;
}

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

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero { min-height: 80vh; padding: 4rem 1.5rem 3rem; }
  .hero-stat-row { flex-direction: column; }
  .stat-pill { min-width: 100%; }
  .problem { padding: 4rem 1.5rem; }
  .problem-grid { grid-template-columns: 1fr; gap: 2rem; }
  .problem-left h2 { position: static; }
  .approach { padding: 4rem 1.5rem; }
  .approach-cards { grid-template-columns: 1fr; }
  .verticals { padding: 4rem 1.5rem; }
  .vertical-grid { grid-template-columns: 1fr; }
  .closing { padding: 5rem 1.5rem; }
}