:root {
  --bg: #0a0c10;
  --bg-elevated: #12151c;
  --bg-card: #181c25;
  --fg: #e8eaf0;
  --fg-muted: #8a8f9d;
  --accent: #3bf58e;
  --accent-dim: rgba(59, 245, 142, 0.12);
  --accent-glow: rgba(59, 245, 142, 0.25);
  --warning: #ff6b4a;
  --warning-dim: rgba(255, 107, 74, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 1080px;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
}

/* ===== HERO ===== */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, var(--accent-dim) 0%, transparent 70%),
    var(--bg);
}

.hero-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(59, 245, 142, 0.2);
  border-radius: 100px;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  margin-bottom: 24px;
  color: var(--fg);
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 1.7;
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 680px;
  margin: 0 auto;
}

.hero-stat {
  padding: 28px 16px;
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
}

.stat-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  color: var(--fg-muted);
  margin-top: 4px;
}

/* ===== HERO CTA ===== */
.hero-cta-wrap {
  margin-bottom: 48px;
}

.hero-cta-btn {
  display: inline-block;
  padding: 16px 40px;
  background: var(--accent);
  color: #0a0c10;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius);
  text-decoration: none;
  transition: opacity 0.15s, transform 0.1s;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.hero-cta-btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.hero-cta-sub {
  margin-top: 12px;
  font-size: 0.82rem;
  color: var(--fg-muted);
}

/* ===== PROBLEM ===== */
.problem {
  padding: 100px 24px;
}

.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.problem h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 16px;
}

.problem-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 720px;
  margin-bottom: 48px;
  line-height: 1.7;
}

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

.contrast-card {
  padding: 32px;
  border-radius: var(--radius);
}

.contrast-card.old {
  background: var(--warning-dim);
  border: 1px solid rgba(255, 107, 74, 0.2);
}

.contrast-card.new {
  background: var(--accent-dim);
  border: 1px solid rgba(59, 245, 142, 0.2);
}

.contrast-label {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 20px;
}

.contrast-card.old .contrast-label { color: var(--warning); }
.contrast-card.new .contrast-label { color: var(--accent); }

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

.contrast-card ul li {
  padding: 8px 0;
  font-size: 0.95rem;
  color: var(--fg-muted);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

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

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

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

/* ===== FEATURES ===== */
.features {
  padding: 100px 24px;
  background: var(--bg-elevated);
}

.features-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

.features h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 48px;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 36px;
  background: var(--bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}

.feature-card:hover {
  border-color: rgba(59, 245, 142, 0.3);
}

.feature-icon {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
}

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

/* ===== NUMBERS ===== */
.numbers {
  padding: 100px 24px;
}

.numbers-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.numbers h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 12px;
}

.numbers-subtitle {
  color: var(--fg-muted);
  margin-bottom: 56px;
  font-size: 1.05rem;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.number-card {
  padding: 40px 24px;
  background: var(--bg-elevated);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
}

.big-number {
  display: block;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.number-context {
  display: block;
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ===== CLOSING ===== */
.closing {
  padding: 100px 24px;
  background: var(--bg-elevated);
  text-align: center;
}

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

.closing h2 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 24px;
}

.closing-text {
  color: var(--fg-muted);
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 32px;
}

.closing-vision {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--accent);
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 48px 24px;
  text-align: center;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 6px;
}

.footer-tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero { padding: 72px 20px 60px; }
  .hero-grid { grid-template-columns: 1fr; max-width: 320px; }
  .problem-contrast { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .numbers-grid { grid-template-columns: 1fr; }
  .problem, .features, .numbers, .closing { padding: 72px 20px; }
}