:root {
  --bg-dark: #0f1117;
  --bg-section: #161822;
  --bg-card: #1e2030;
  --bg-highlight: #2a1f0a;
  --amber: #f59e0b;
  --amber-dim: #b47409;
  --amber-glow: rgba(245, 158, 11, 0.15);
  --text-primary: #f0f0f5;
  --text-secondary: #9599ab;
  --text-muted: #5d6177;
  --border: #2a2d3e;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--amber);
  margin-bottom: 20px;
  padding: 6px 14px;
  border: 1px solid var(--amber-dim);
  border-radius: 4px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding: 120px 24px 80px;
  overflow: hidden;
  background: 
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(245, 158, 11, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(245, 158, 11, 0.04) 0%, transparent 50%),
    var(--bg-dark);
}

.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--amber);
  padding: 8px 18px;
  border: 1px solid var(--amber-dim);
  border-radius: 4px;
  margin-bottom: 40px;
  background: var(--amber-glow);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 28px;
  color: var(--text-primary);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 60px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--amber);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

.hero-grain {
  position: absolute;
  inset: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  pointer-events: none;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 100px 24px;
  background: var(--bg-section);
}

.how-it-works h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 60px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid var(--border);
}

.step:last-child {
  border-bottom: none;
}

.step-number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--amber-dim);
  opacity: 0.4;
  line-height: 1;
  min-width: 90px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-content p {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 480px;
}

/* ===== NUMBERS / COMPARISON ===== */
.numbers {
  padding: 100px 24px;
  background: var(--bg-dark);
}

.numbers h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 50px;
  max-width: 600px;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.comp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
}

.comp-card-highlight {
  background: var(--bg-highlight);
  border-color: var(--amber-dim);
}

.comp-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.comp-card-highlight .comp-name {
  color: var(--amber);
}

.comp-issue {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.comp-card-highlight .comp-issue {
  color: var(--text-primary);
}

/* ===== BUILT DIFFERENT ===== */
.different {
  padding: 100px 24px;
  background: var(--bg-section);
}

.different h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 50px;
}

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

.feature {
  padding: 36px;
  border-radius: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  transition: border-color 0.2s;
}

.feature:hover {
  border-color: var(--amber-dim);
}

.feature-icon {
  color: var(--amber);
  font-size: 1.2rem;
  margin-bottom: 16px;
}

.feature h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature p {
  color: var(--text-secondary);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* ===== NAV ===== */
.app-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(15, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.app-nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 6px;
  transition: color 0.2s;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-cta {
  background: var(--amber);
  color: #000 !important;
  font-weight: 700;
}

.nav-cta:hover {
  opacity: 0.9;
}

.nav-cta-outline {
  border: 1px solid var(--amber-dim);
  color: var(--amber) !important;
}

.nav-cta-outline:hover {
  background: var(--amber-glow);
}

/* ===== HERO CTAs ===== */
.hero-ctas {
  display: flex;
  gap: 12px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-cta-primary {
  display: inline-block;
  padding: 14px 32px;
  background: var(--amber);
  color: #000;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  border-radius: 8px;
  text-decoration: none;
  transition: opacity 0.2s;
}

.hero-cta-primary:hover {
  opacity: 0.9;
}

.hero-cta-secondary {
  display: inline-block;
  padding: 14px 32px;
  background: transparent;
  color: var(--text-primary);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: border-color 0.2s;
}

.hero-cta-secondary:hover {
  border-color: var(--amber-dim);
}

.closing-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-top: 36px;
  flex-wrap: wrap;
}

/* ===== CLOSING ===== */
.closing {
  padding: 120px 24px;
  background: 
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(245, 158, 11, 0.06) 0%, transparent 60%),
    var(--bg-dark);
}

.closing-block {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.closing-block h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  line-height: 1.15;
}

.closing-block p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.75;
}

/* ===== FOOTER ===== */
.site-footer {
  padding: 40px 24px;
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding: 80px 20px 60px;
  }

  .hero-stats {
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }

  .stat-divider {
    display: none;
  }

  .step {
    flex-direction: column;
    gap: 12px;
  }

  .step-number {
    font-size: 2.5rem;
    min-width: auto;
  }

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

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

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

  .how-it-works,
  .numbers,
  .different {
    padding: 60px 20px;
  }

  .closing {
    padding: 80px 20px;
  }
}