@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=DM+Sans:ital,wght@0,400;0,500;1,400&display=swap');

:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #e8e4df;
  --fg-muted: #8a8580;
  --fg-dim: #5a5550;
  --accent: #e8943a;
  --accent-glow: #f5a623;
  --accent-dim: rgba(232, 148, 58, 0.12);
  --ember: #c0501a;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-width: 1120px;
  --radius: 12px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 2rem; }

/* ─── NAV ─── */
.nav {
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }
.nav-tag {
  font-family: var(--font-body);
  font-size: 0.75rem;
  color: var(--fg-muted);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 100px;
  padding: 0.3rem 0.8rem;
  letter-spacing: 0.04em;
}

/* ─── HERO ─── */
.hero {
  padding: 8rem 0 6rem;
  position: relative;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(232,148,58,0.06) 0%, transparent 60%);
  pointer-events: none;
}
.hero-eyebrow {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 4.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  color: var(--fg);
  max-width: 720px;
  margin-bottom: 1.5rem;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent);
}
.hero-sub {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 540px;
  line-height: 1.7;
}

/* ─── STATS BAR ─── */
.stats {
  padding: 4rem 0;
  border-top: 1px solid rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}
.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  margin-top: 0.4rem;
}

/* ─── APPROACH ─── */
.approach {
  padding: 6rem 0;
}
.section-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 3rem;
  max-width: 600px;
}

.approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.approach-card {
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s;
}
.approach-card:hover {
  border-color: rgba(232,148,58,0.25);
}
.approach-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.approach-card:hover::before { opacity: 1; }
.card-number {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.75rem;
}
.card-desc {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* ─── DIFFERENCE ─── */
.difference {
  padding: 6rem 0;
  border-top: 1px solid rgba(255,255,255,0.04);
}
.diff-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.diff-left {
  position: sticky;
  top: 4rem;
}
.diff-items {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.diff-item {
  padding-left: 1.5rem;
  border-left: 2px solid var(--bg-card);
  transition: border-color 0.3s;
}
.diff-item:hover {
  border-left-color: var(--accent);
}
.diff-item-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 0.4rem;
}
.diff-item-desc {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── CLOSING ─── */
.closing {
  padding: 8rem 0 6rem;
  text-align: center;
  position: relative;
}
.closing::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(232,148,58,0.04) 0%, transparent 60%);
  pointer-events: none;
}
.closing-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--fg);
  max-width: 640px;
  margin: 0 auto 1.5rem;
}
.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ─── FOOTER ─── */
.footer {
  padding: 3rem 0;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.footer-brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--fg-dim);
}
.footer-brand span { color: var(--accent); }
.footer-note {
  font-size: 0.8rem;
  color: var(--fg-dim);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero { padding: 5rem 0 4rem; }
  .stats-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .approach-grid { grid-template-columns: 1fr; }
  .diff-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .diff-left { position: static; }
  .closing { padding: 5rem 0 4rem; }
  .footer .container { flex-direction: column; gap: 1rem; text-align: center; }
}