:root {
  --black: #000;
  --white: #fff;
  --g0: #0a0a0a;
  --g1: #141414;
  --g2: #1e1e1e;
  --g3: #2a2a2a;
  --g4: #3a3a3a;
  --g5: #5a5a5a;
  --g6: #8a8a8a;
  --g7: #c0c0c0;
  --g8: #e5e5e5;
  --g9: #f5f5f5;
  --radius: 12px;
  --radius-sm: 8px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --maxw: 1100px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--g1);
  background: var(--white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--g8);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--black);
}

.logo img { width: 32px; height: 32px; }

.nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav a {
  font-size: 15px;
  color: var(--g4);
  font-weight: 500;
}

.nav a:hover { color: var(--black); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
  text-decoration: none;
}

.btn-primary { background: var(--black); color: var(--white); }
.btn-primary:hover { background: var(--g2); text-decoration: none; }

.btn-secondary {
  background: var(--white);
  color: var(--black);
  border: 1px solid var(--g7);
}
.btn-secondary:hover { background: var(--g9); text-decoration: none; }

.btn-lg { padding: 16px 32px; font-size: 16px; }

/* Hero */
.hero { padding: 80px 0 100px; text-align: center; }

.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 20px;
  color: var(--black);
}

.hero p.lead {
  font-size: clamp(16px, 2vw, 20px);
  color: var(--g4);
  max-width: 640px;
  margin: 0 auto 36px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.hero-note { font-size: 13px; color: var(--g5); }

/* Section */
.section { padding: 80px 0; }
.section.alt { background: var(--g9); }

.section-header { text-align: center; margin-bottom: 56px; }

.section-header h2 {
  font-size: clamp(24px, 3.5vw, 40px);
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--black);
  margin-bottom: 12px;
}

.section-header p {
  color: var(--g4);
  font-size: 17px;
  max-width: 600px;
  margin: 0 auto;
}

/* Features */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 32px;
  background: var(--white);
  border: 1px solid var(--g8);
  border-radius: var(--radius);
}

.feature-card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--black);
  color: var(--white);
  border-radius: var(--radius-sm);
  font-size: 22px;
  margin-bottom: 20px;
}

.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--black); }
.feature-card p { color: var(--g4); font-size: 15px; }

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  max-width: 820px;
  margin: 0 auto;
}

.pricing-card {
  padding: 40px 32px;
  border: 1px solid var(--g8);
  border-radius: var(--radius);
  background: var(--white);
  position: relative;
}

.pricing-card.featured { border: 2px solid var(--black); background: var(--white); }

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 32px;
  background: var(--black);
  color: var(--white);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.pricing-card h3 { font-size: 20px; margin-bottom: 8px; color: var(--black); }

.price {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--black);
  line-height: 1;
  margin: 16px 0 4px;
}

.price-period { font-size: 14px; color: var(--g5); margin-bottom: 24px; }

.feature-list { list-style: none; margin: 24px 0 32px; padding: 0; }

.feature-list li {
  padding: 8px 0;
  font-size: 15px;
  color: var(--g2);
  display: flex;
  align-items: start;
  gap: 10px;
}

.feature-list li::before {
  content: "✓";
  font-weight: 700;
  color: var(--black);
  flex-shrink: 0;
}

.pricing-card .btn { width: 100%; }

/* FAQ */
.faq { max-width: 800px; margin: 0 auto; }

.faq-item { border-bottom: 1px solid var(--g8); padding: 24px 0; }

.faq-item summary {
  font-weight: 600;
  font-size: 17px;
  cursor: pointer;
  list-style: none;
  color: var(--black);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  color: var(--g5);
}

.faq-item[open] summary::after { content: "−"; }

.faq-item p { margin-top: 16px; color: var(--g4); font-size: 15px; }

/* Footer */
.site-footer { border-top: 1px solid var(--g8); padding: 56px 0 32px; background: var(--white); }

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand p { color: var(--g5); font-size: 14px; margin-top: 16px; max-width: 280px; }

.footer-col h4 {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--g5);
  margin-bottom: 16px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { color: var(--g3); font-size: 14px; }
.footer-col a:hover { color: var(--black); }

.footer-bottom {
  border-top: 1px solid var(--g8);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--g5);
}

/* Legal */
.legal-page { padding: 64px 0 96px; }

.legal-page h1 {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
  color: var(--black);
}

.legal-meta {
  color: var(--g5);
  font-size: 14px;
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--g8);
}

.legal-content { max-width: 760px; color: var(--g2); }

.legal-content h2 {
  font-size: 22px;
  font-weight: 700;
  margin: 40px 0 16px;
  color: var(--black);
}

.legal-content h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 12px;
  color: var(--black);
}

.legal-content p { margin-bottom: 16px; font-size: 15px; line-height: 1.7; }

.legal-content ul, .legal-content ol { margin: 0 0 16px 24px; }

.legal-content li { margin-bottom: 8px; font-size: 15px; }

.legal-content a { color: var(--black); text-decoration: underline; }

.legal-content code {
  background: var(--g9);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--black);
  color: var(--white);
  padding: 20px 24px;
  z-index: 100;
  display: none;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
}

.cookie-banner.visible { display: block; }

.cookie-banner .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.cookie-banner p { font-size: 14px; max-width: 720px; }

.cookie-banner a { color: var(--white); text-decoration: underline; }

.cookie-actions { display: flex; gap: 10px; flex-shrink: 0; }

.cookie-actions .btn { padding: 10px 20px; font-size: 14px; }

.cookie-actions .btn-primary { background: var(--white); color: var(--black); }

.cookie-actions .btn-secondary {
  background: transparent;
  color: var(--white);
  border: 1px solid var(--g5);
}

/* Ad zone */
.ad-zone {
  border: 2px dashed var(--g8);
  border-radius: var(--radius);
  padding: 60px 24px;
  text-align: center;
  color: var(--g5);
  font-size: 14px;
  margin: 32px 0;
  background: var(--g9);
}

.ad-zone-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--g5);
  margin-bottom: 8px;
}

/* Earn page */
.earn-page { padding: 64px 0; min-height: 70vh; }

.earn-card {
  max-width: 640px;
  margin: 0 auto;
  padding: 40px;
  border: 1px solid var(--g8);
  border-radius: var(--radius);
  text-align: center;
}

.earn-card h1 { font-size: 32px; margin-bottom: 12px; }

.earn-card p { color: var(--g4); margin-bottom: 32px; }

.earn-timer {
  font-size: 64px;
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--black);
  margin: 24px 0;
  font-variant-numeric: tabular-nums;
}

/* Responsive */
@media (max-width: 720px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav { display: none; }
  .hero { padding: 48px 0 64px; }
  .section { padding: 56px 0; }
  .legal-page h1 { font-size: 32px; }
}

@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .cookie-banner .container { flex-direction: column; align-items: stretch; }
}