:root {
  --bg: #0a0a0f;
  --bg-subtle: #12121a;
  --bg-card: #16161f;
  --fg: #e8e8ed;
  --fg-muted: #8b8b9e;
  --fg-dim: #5a5a6e;
  --accent: #f97316;
  --accent-glow: rgba(249, 115, 22, 0.15);
  --accent-soft: rgba(249, 115, 22, 0.08);
  --border: rgba(255, 255, 255, 0.06);
  --radius: 12px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  font-size: 22px;
}
.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.02em;
}

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 24px 80px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero-inner {
  max-width: 800px;
  text-align: center;
  position: relative;
  z-index: 1;
}
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-soft);
  border: 1px solid rgba(249, 115, 22, 0.2);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--accent);
  margin-bottom: 32px;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(42px, 7vw, 72px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 13px;
  color: var(--fg-dim);
  letter-spacing: 0.01em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* ---- HOW IT WORKS ---- */
.how-section {
  padding: 100px 24px;
  background: var(--bg-subtle);
}
.how-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.section-label {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}
.step {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.step:hover {
  border-color: rgba(249, 115, 22, 0.3);
}
.step-num {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 16px;
}
.step h3 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}
.step p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-muted);
}

/* ---- METRICS ---- */
.metrics-section {
  padding: 100px 24px;
}
.metrics-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.metric-card {
  padding: 40px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
}
.metric-card.highlight {
  border-color: rgba(249, 115, 22, 0.4);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(249, 115, 22, 0.05) 100%);
}
.metric-value {
  font-family: var(--font-display);
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 12px;
}
.metric-card.highlight .metric-value {
  color: var(--accent);
}
.metric-slash {
  font-size: 20px;
  font-weight: 500;
  color: var(--fg-dim);
}
.metric-desc {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* ---- FEATURES ---- */
.features-section {
  padding: 100px 24px;
  background: var(--bg-subtle);
}
.features-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.features-sub {
  font-size: 18px;
  color: var(--fg-muted);
  max-width: 560px;
  margin-bottom: 56px;
  line-height: 1.7;
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.feature {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.feature:hover {
  border-color: rgba(249, 115, 22, 0.3);
}
.feature-icon {
  color: var(--accent);
  font-size: 18px;
  margin-bottom: 16px;
}
.feature h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}
.feature p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-muted);
}

/* ---- CLOSING ---- */
.closing-section {
  padding: 120px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.closing-section::before {
  content: '';
  position: absolute;
  bottom: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
  pointer-events: none;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.closing-section h2 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 18px;
  line-height: 1.7;
  color: var(--fg-muted);
  max-width: 540px;
  margin: 0 auto;
}

/* ---- FOOTER ---- */
.footer {
  padding: 40px 24px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand .logo-text {
  font-size: 16px;
}
.footer-text {
  font-size: 13px;
  color: var(--fg-dim);
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .hero { padding: 100px 20px 60px; min-height: auto; }
  .hero-stats { gap: 20px; }
  .stat-divider { display: none; }
  .stat-num { font-size: 26px; }
  .how-section, .metrics-section, .features-section { padding: 64px 20px; }
  .closing-section { padding: 80px 20px; }
  .section-label { margin-bottom: 36px; }
  .steps { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: 1fr; }
  .metric-value { font-size: 32px; }
  .footer-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .hero-sub { font-size: 16px; }
}
/* ---- NAV CTA ---- */
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.15s;
  letter-spacing: -0.01em;
}
.nav-cta:hover { opacity: 0.88; }