:root {
  --bg: #0a0a0a;
  --bg-elevated: #141414;
  --bg-card: #1a1a1a;
  --fg: #f0f0f0;
  --fg-muted: #8a8a8a;
  --accent: #00e676;
  --accent-dim: #00c864;
  --accent-glow: rgba(0, 230, 118, 0.15);
  --old-red: #ff4444;
  --old-red-dim: rgba(255, 68, 68, 0.1);
  --border: #2a2a2a;
  --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: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
}

/* ── Hero ── */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 24px 60px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-badge {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 3px;
  color: var(--accent);
  margin-bottom: 32px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5.5rem);
  margin-bottom: 28px;
  letter-spacing: -2px;
}

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

.lede {
  font-size: 1.2rem;
  color: var(--fg-muted);
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  padding: 8px 18px;
  border: 1px solid var(--border);
  border-radius: 100px;
  color: var(--fg-muted);
  background: var(--bg-elevated);
  letter-spacing: 0.5px;
}

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

.problem-inner {
  max-width: 900px;
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 48px;
  letter-spacing: -1px;
}

.comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.comp-card {
  padding: 36px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.comp-card.old {
  background: var(--old-red-dim);
  border-color: rgba(255, 68, 68, 0.2);
}

.comp-card.new {
  background: var(--accent-glow);
  border-color: rgba(0, 230, 118, 0.25);
}

.comp-label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.comp-card.old .comp-label { color: var(--old-red); }
.comp-card.new .comp-label { color: var(--accent); }

.comp-card ul {
  list-style: none;
}

.comp-card li {
  padding: 10px 0;
  color: var(--fg-muted);
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.comp-card li:last-child { border-bottom: none; }

.comp-card.old li::before {
  content: '\2717 ';
  color: var(--old-red);
  margin-right: 8px;
}

.comp-card.new li::before {
  content: '\2713 ';
  color: var(--accent);
  margin-right: 8px;
}

/* ── Features ── */
.features {
  padding: 100px 24px;
  max-width: 900px;
  margin: 0 auto;
}

.features h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  margin-bottom: 56px;
  letter-spacing: -1px;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.feature-card {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: var(--accent);
}

.feature-icon {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.feature-card p {
  color: var(--fg-muted);
  font-size: 15px;
  line-height: 1.6;
}

/* ── Numbers ── */
.numbers {
  padding: 80px 24px;
  background: var(--bg-elevated);
}

.numbers-inner {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -2px;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--fg-muted);
  letter-spacing: 0.3px;
}

/* ── Closing ── */
.closing {
  padding: 120px 24px;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 24px;
  letter-spacing: -1px;
  line-height: 1.25;
}

.closing-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

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

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--fg-muted);
}

/* ── Mobile ── */
@media (max-width: 640px) {
  .hero { min-height: 80vh; padding: 60px 20px 40px; }
  .comparison { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .numbers-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-inner { flex-direction: column; gap: 8px; text-align: center; }
  .problem, .features, .numbers, .closing { padding: 60px 20px; }
  .comp-card { padding: 28px; }
  .feature-card { padding: 28px; }
}