:root {
  --bg: #0a0a0f;
  --bg-elevated: #12121a;
  --bg-card: #161622;
  --fg: #e8e8ed;
  --fg-muted: #8b8b9e;
  --accent: #6c5ce7;
  --accent-light: #a29bfe;
  --accent-glow: rgba(108, 92, 231, 0.15);
  --green: #00d2a0;
  --red: #ff6b6b;
  --border: rgba(255,255,255,0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

* { 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: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.15;
}

/* ─── HERO ─── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 60px;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-glow);
  border: 1px solid rgba(108, 92, 231, 0.3);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-light);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 5rem);
  letter-spacing: -0.03em;
  margin-bottom: 28px;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 620px;
  line-height: 1.7;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 64px;
}

.grid-cell {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: border-color 0.3s ease;
}

.grid-cell:hover {
  border-color: rgba(108, 92, 231, 0.3);
}

.grid-label {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.grid-value {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--green);
}

/* ─── PROBLEM ─── */
.problem {
  padding: 120px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.problem-inner {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: start;
}

.big-number {
  font-family: var(--font-display);
  font-size: clamp(4rem, 10vw, 7rem);
  font-weight: 700;
  color: var(--accent-light);
  display: block;
  line-height: 1;
  letter-spacing: -0.04em;
}

.stat-label {
  display: block;
  margin-top: 12px;
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

.problem-text p {
  margin-bottom: 20px;
  color: var(--fg-muted);
}

.problem-text .highlight {
  color: var(--fg);
  font-weight: 500;
  font-size: 1.1rem;
  border-left: 3px solid var(--accent);
  padding-left: 20px;
  margin-top: 8px;
}

/* ─── CAPABILITIES ─── */
.capabilities {
  padding: 120px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.capabilities h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 60px;
  letter-spacing: -0.02em;
}

.cap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.cap-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px;
  transition: transform 0.2s ease, border-color 0.3s ease;
}

.cap-card:hover {
  transform: translateY(-2px);
  border-color: rgba(108, 92, 231, 0.25);
}

.cap-number {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 16px;
}

.cap-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

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

/* ─── CONTRAST TABLE ─── */
.contrast {
  padding: 120px 24px;
  max-width: 1100px;
  margin: 0 auto;
}

.contrast h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 48px;
  letter-spacing: -0.02em;
}

.contrast-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.contrast-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  border-bottom: 1px solid var(--border);
}

.contrast-row:last-child {
  border-bottom: none;
}

.contrast-header {
  background: var(--bg-elevated);
}

.contrast-col {
  padding: 16px 24px;
  font-size: 0.92rem;
}

.contrast-col.label {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--fg);
}

.contrast-col.old {
  color: var(--fg-muted);
}

.contrast-col.new {
  color: var(--green);
  font-weight: 500;
}

.contrast-header .old,
.contrast-header .new {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contrast-header .old { color: var(--red); }
.contrast-header .new { color: var(--green); }

/* ─── CLOSING ─── */
.closing {
  padding: 160px 24px;
  text-align: center;
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.closing-inner {
  position: relative;
  z-index: 1;
  max-width: 700px;
  margin: 0 auto;
}

.closing h2 {
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.closing p {
  color: var(--fg-muted);
  font-size: 1.1rem;
  line-height: 1.7;
  margin-bottom: 16px;
}

.closing-accent {
  color: var(--accent-light) !important;
  font-style: italic;
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
}

.footer-tagline {
  color: var(--fg-muted);
  font-size: 0.9rem;
}

/* ─── LANGUAGE TOGGLE ─── */
.lang-toggle {
  position: absolute;
  top: 28px;
  right: 32px;
  display: flex;
  align-items: center;
  gap: 6px;
  z-index: 10;
}

.lang-btn {
  background: none;
  border: none;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-muted);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.2s ease, background 0.2s ease;
  letter-spacing: 0.5px;
}

.lang-btn:hover {
  color: var(--fg);
}

.lang-btn.active {
  color: var(--accent-light);
  background: var(--accent-glow);
}

.lang-sep {
  color: var(--border);
  font-family: var(--font-display);
  font-size: 13px;
  user-select: none;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .problem-inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .contrast-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contrast-header {
    display: none;
  }

  .contrast-col {
    padding: 12px 20px;
  }

  .contrast-col.label {
    background: var(--bg-elevated);
    padding-top: 16px;
  }

  .contrast-col.old::before {
    content: 'Traditional: ';
    color: var(--red);
    font-weight: 500;
  }

  .contrast-col.new::before {
    content: 'Praxeo: ';
    color: var(--green);
    font-weight: 500;
  }

  .contrast-col.new {
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
  }

  .contrast-row:last-child .contrast-col.new {
    border-bottom: none;
  }

  .footer-inner {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 60px 20px 40px;
  }
}

/* ─── HERO CTA ─── */
.hero-cta-row {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-cta {
  display: inline-block;
  padding: 14px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 10px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.2px;
  transition: opacity 0.2s ease, transform 0.1s ease;
}

.hero-cta:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.hero-cta-sub {
  font-size: 13px;
  color: var(--fg-muted);
  font-family: var(--font-display);
}

@media (max-width: 480px) {
  .hero-cta { width: 100%; text-align: center; }
  .hero-cta-sub { display: block; margin-top: 8px; }
}