:root {
  --bg: #0a0f1a;
  --bg-alt: #111827;
  --fg: #e8ecf4;
  --fg-muted: #8b95a8;
  --accent: #22d3a7;
  --accent-glow: rgba(34, 211, 167, 0.15);
  --danger: #ef4444;
  --card-bg: #151d2e;
  --card-border: rgba(255,255,255,0.06);
  --radius: 12px;
  --max-w: 1100px;
}

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

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

/* -------- SITE NAV -------- */
.site-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  background: rgba(10,15,26,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}

.site-nav-inner {
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-nav-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg);
}

.site-nav-cta {
  padding: 9px 20px;
  background: var(--accent);
  color: #0a0f1a;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.2s;
}

.site-nav-cta:hover { opacity: 0.88; }

/* -------- HERO CTA -------- */
.hero-cta-btn {
  display: inline-block;
  padding: 16px 40px;
  background: var(--accent);
  color: #0a0f1a;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  border-radius: 8px;
  text-decoration: none;
  margin-bottom: 16px;
  transition: opacity 0.2s, transform 0.15s;
}

.hero-cta-btn:hover { opacity: 0.88; transform: translateY(-2px); }

.hero-cta-sub {
  font-size: 0.83rem;
  color: var(--fg-muted);
  margin-bottom: 24px;
}

/* -------- HERO -------- */
.hero {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 140px 24px 60px;
  text-align: center;
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(34, 211, 167, 0.12), transparent),
    var(--bg);
}

.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-glow);
  border: 1px solid rgba(34, 211, 167, 0.2);
  margin-bottom: 32px;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  max-width: 800px;
  margin-bottom: 24px;
}

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

.lede {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 580px;
  margin: 0 auto 48px;
}

.hero-visual {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 12px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 32px;
  min-width: 200px;
  text-align: center;
  transition: transform 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
}

.stat-number {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--fg-muted);
  max-width: 160px;
  margin: 0 auto;
}

/* -------- PROBLEM -------- */
.problem {
  padding: 100px 24px;
  background: var(--bg-alt);
}

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

.problem h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  text-align: center;
  margin-bottom: 56px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.problem-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 36px 28px;
}

.problem-icon {
  font-family: 'Space Grotesk', monospace;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--danger);
  margin-bottom: 16px;
}

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

.problem-card p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* -------- HOW -------- */
.how {
  padding: 100px 24px;
  background: var(--bg);
}

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

.how h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  text-align: center;
  margin-bottom: 64px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 48px;
  max-width: 700px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
}

.step-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  opacity: 0.3;
  min-width: 70px;
}

.step-content h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--fg-muted);
  font-size: 0.95rem;
}

/* -------- COMPARE -------- */
.compare {
  padding: 100px 24px;
  background: var(--bg-alt);
}

.compare-inner {
  max-width: 800px;
  margin: 0 auto;
}

.compare h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  text-align: center;
  margin-bottom: 48px;
}

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

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

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

.compare-cell {
  padding: 16px 20px;
  font-size: 0.92rem;
}

.compare-header .compare-cell {
  background: var(--card-bg);
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
}

.compare-cell.label {
  color: var(--fg-muted);
  font-weight: 500;
}

.compare-cell.highlight {
  color: var(--accent);
  font-weight: 600;
  background: rgba(34, 211, 167, 0.04);
}

/* -------- CLOSING -------- */
.closing {
  padding: 120px 24px;
  background: var(--bg);
  text-align: center;
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(34, 211, 167, 0.08), transparent),
    var(--bg);
}

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

.closing h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  margin-bottom: 24px;
}

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

.closing-cta-btn {
  display: inline-block;
  padding: 15px 40px;
  background: var(--accent);
  color: #0a0f1a;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.15s;
}

.closing-cta-btn:hover { opacity: 0.88; transform: translateY(-2px); }

/* -------- FOOTER -------- */
.site-footer {
  padding: 48px 24px;
  border-top: 1px solid var(--card-border);
  text-align: center;
  background: var(--bg);
}

.footer-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 6px;
}

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

/* -------- MOBILE -------- */
@media (max-width: 640px) {
  .hero { padding: 60px 20px 40px; min-height: 80vh; }
  .stat-card { min-width: 140px; padding: 20px 16px; }
  .stat-number { font-size: 2rem; }
  .step { flex-direction: column; gap: 8px; }
  .step-num { font-size: 2rem; min-width: auto; }
  .compare-row { grid-template-columns: 1fr; }
  .compare-header { display: none; }
  .compare-cell { padding: 12px 16px; }
  .compare-cell.label { background: var(--card-bg); font-weight: 600; color: var(--fg); }
  .compare-cell::before { content: none; }
  .problem-grid { grid-template-columns: 1fr; }
}