:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --bg-card: #161616;
  --fg: #e8e4de;
  --fg-muted: #8a8580;
  --accent: #d4842a;
  --accent-glow: #e8963a;
  --accent-dim: rgba(212, 132, 42, 0.15);
  --border: #222222;
  --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);
  color: var(--fg);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ===== HERO ===== */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
}

.hero-grid {
  max-width: 900px;
}

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

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 2rem;
  color: var(--fg);
}

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

.hero-sub {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  max-width: 640px;
  color: var(--fg-muted);
  line-height: 1.8;
}

.hero-stat-bar {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
}

.stat {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

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

.stat-label {
  font-size: 0.82rem;
  color: var(--fg-muted);
  max-width: 160px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

/* ===== PROBLEM ===== */
.problem {
  padding: 8rem 2rem;
  background: var(--bg-elevated);
}

.problem-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.section-tag {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 2.5rem;
  padding-left: 1.2rem;
  border-left: 2px solid var(--accent);
}

.problem-grid {
  display: grid;
  gap: 4rem;
}

.problem-statement h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.02em;
  max-width: 700px;
}

.strikethrough {
  text-decoration: line-through;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 3px;
}

.problem-details {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

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

.problem-icon {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.2rem;
  opacity: 0.8;
}

.problem-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.8rem;
  color: var(--fg);
}

.problem-card p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== SYSTEMS ===== */
.systems {
  padding: 8rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.systems-inner {
  max-width: 1200px;
}

.systems-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 4rem;
}

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

.systems-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.system-block {
  padding: 2.5rem;
  border: 1px solid var(--border);
  border-radius: 2px;
  background: var(--bg-elevated);
  transition: border-color 0.3s ease;
}

.system-block:hover {
  border-color: var(--accent-dim);
}

.system-number {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.5rem;
  letter-spacing: 0.1em;
}

.system-block h3 {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--fg);
}

.system-block p {
  font-size: 0.92rem;
  color: var(--fg-muted);
  line-height: 1.75;
}

/* ===== LEVERAGE (Verticals) ===== */
.leverage {
  padding: 8rem 2rem;
  background: var(--bg-elevated);
}

.leverage-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 5rem;
  align-items: start;
}

.leverage-left h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.leverage-right {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.vertical-item {
  padding: 2rem 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.vertical-item:first-child {
  padding-top: 0;
}

.vertical-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fg);
}

.vertical-detail {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ===== CLOSING ===== */
.closing {
  padding: 10rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.closing-inner {
  max-width: 750px;
  margin: 0 auto;
}

.closing-line {
  width: 60px;
  height: 2px;
  background: var(--accent);
  margin: 0 auto 3rem;
}

.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.closing-sub {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.8;
  max-width: 580px;
  margin: 0 auto;
}

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

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}

.footer-tagline {
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 5rem 1.5rem 3rem;
  }

  .hero-stat-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .stat-divider {
    display: none;
  }

  .problem,
  .systems,
  .leverage,
  .closing {
    padding: 5rem 1.5rem;
  }

  .problem-details {
    grid-template-columns: 1fr;
  }

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

  .leverage-inner {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2.2rem;
  }

  .systems-headline {
    font-size: 1.6rem;
  }

  .closing h2 {
    font-size: 1.5rem;
  }
}