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

:root {
  --bg-deep: #040a14; 
  --bg-mid: #0a1628; 
  --card-bg: #0f1e35;
  --card-border: #1a2e4a; 
  --accent: #38bdf8; 
  --accent-dim: rgba(56,189,248,0.15);
  --text: #e2e8f0; 
  --text-muted: #7a91ad;
  --font-display: 'Orbitron', sans-serif; 
  --font-body: 'Inter', sans-serif;
}

html { 
  scroll-behavior: smooth; 
}

body { 
  background: var(--bg-deep); 
  color: var(--text); 
  font-family: var(--font-body); 
  min-height: 100vh; 
  overflow-x: hidden; 
}

body::before {
  content: ''; 
  position: fixed; 
  top: -20%; 
  left: 50%; 
  transform: translateX(-50%);
  width: 800px; 
  height: 500px;
  background: radial-gradient(ellipse, rgba(56,189,248,0.07) 0%, transparent 70%);
  pointer-events: none; 
  z-index: 0;
}

/* TOP BAR */
.top-bar {
  position: fixed; 
  top: 20px; 
  left: 20px; 
  right: 20px;
  display: flex; 
  align-items: center; 
  justify-content: space-between;
  z-index: 1000; 
  pointer-events: none;
}

.back-btn {
  display: flex; 
  align-items: center; 
  gap: 8px;
  padding: 9px 16px;
  background: rgba(9,18,34,0.75); 
  backdrop-filter: blur(16px); 
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(56,189,248,0.18); 
  border-radius: 12px;
  color: var(--text-muted); 
  font-family: var(--font-body); 
  font-size: 13px; 
  font-weight: 500;
  text-decoration: none; 
  cursor: pointer; 
  pointer-events: all;
  transition: color .2s, background .2s, border-color .2s;
}

.back-btn:hover { 
  color: var(--accent); 
  background: var(--accent-dim); 
  border-color: rgba(56,189,248,0.35); 
}

.back-btn svg { 
  width: 16px; 
  height: 16px; 
  flex-shrink: 0; 
}

.lang-switcher {
  display: flex; 
  align-items: center; 
  gap: 4px;
  padding: 6px 8px;
  background: rgba(9,18,34,0.75); 
  backdrop-filter: blur(16px); 
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(56,189,248,0.18); 
  border-radius: 12px;
  pointer-events: all;
}

.lang-btn {
  display: flex; 
  align-items: center; 
  gap: 5px;
  padding: 5px 10px; 
  border-radius: 8px;
  background: transparent; 
  border: 1px solid transparent;
  color: var(--text-muted); 
  font-family: var(--font-body); 
  font-size: 12px; 
  font-weight: 500;
  cursor: pointer;
  transition: color .2s, background .2s, border-color .2s;
}

.lang-btn:hover { 
  color: var(--accent); 
  background: var(--accent-dim); 
}

.lang-btn.active { 
  color: var(--accent); 
  background: var(--accent-dim); 
  border-color: rgba(56,189,248,0.3); 
}

.lang-sep { 
  color: var(--card-border); 
  font-size: 11px; 
  user-select: none; 
}

/* PAGE HEADER */
.page-header { 
  padding: 90px 20px 60px; 
  text-align: center; 
  position: relative; 
  z-index: 1; 
}

.page-eyebrow {
  display: inline-block; 
  font-size: 11px; 
  font-weight: 600; 
  letter-spacing: 3px; 
  text-transform: uppercase;
  color: var(--accent); 
  background: var(--accent-dim); 
  border: 1px solid rgba(56,189,248,0.25);
  padding: 5px 14px; 
  border-radius: 100px; 
  margin-bottom: 20px; 
  animation: fadeUp .6s ease both;
}

.page-header h1 {
  font-family: var(--font-display); 
  font-size: clamp(22px,4vw,40px); 
  font-weight: 900;
  letter-spacing: -0.5px; 
  line-height: 1.2; 
  margin-bottom: 14px; 
  animation: fadeUp .6s .1s ease both;
}

.page-header h1 span { 
  color: var(--accent); 
}

.page-header .meta { 
  font-size: 13px; 
  color: var(--text-muted); 
  animation: fadeUp .6s .2s ease both; 
}

/* CONTENT */
.content-wrap { 
  max-width: 780px; 
  margin: 0 auto; 
  padding: 0 20px 100px; 
  position: relative; 
  z-index: 1; 
}

.toc {
  background: var(--card-bg); 
  border: 1px solid var(--card-border); 
  border-radius: 14px;
  padding: 24px 26px; 
  margin-bottom: 40px; 
  animation: fadeUp .6s .35s ease both;
}

.toc-title { 
  font-family: var(--font-display); 
  font-size: 10px; 
  letter-spacing: 2.5px; 
  text-transform: uppercase; 
  color: var(--accent); 
  margin-bottom: 16px; 
}

.toc ol { 
  list-style: none; 
  counter-reset: toc; 
  display: grid; 
  grid-template-columns: repeat(auto-fill, minmax(220px,1fr)); 
  gap: 6px 24px; 
}

.toc ol li { 
  counter-increment: toc; 
}

.toc ol li a { 
  display: flex; 
  align-items: center; 
  gap: 8px; 
  font-size: 13px; 
  color: var(--text-muted); 
  text-decoration: none; 
  padding: 5px 0; 
  transition: color .2s; 
}

.toc ol li a::before { 
  content: counter(toc,decimal-leading-zero) "."; 
  font-family: var(--font-display); 
  font-size: 10px; 
  color: var(--accent); 
  opacity: .7; 
  flex-shrink: 0; 
}

.toc ol li a:hover { 
  color: var(--accent); 
}

.terms-section { 
  margin-bottom: 36px; 
  animation: fadeUp .6s .4s ease both; 
}

.section-num { 
  font-family: var(--font-display); 
  font-size: 10px; 
  letter-spacing: 2px; 
  color: var(--accent); 
  opacity: .6; 
  margin-bottom: 6px; 
  display: block; 
}

.terms-section h2 { 
  font-family: var(--font-display); 
  font-size: 15px; 
  font-weight: 700; 
  letter-spacing: .5px; 
  color: var(--text); 
  margin-bottom: 14px; 
  padding-bottom: 10px; 
  border-bottom: 1px solid var(--card-border); 
}

.terms-section p { 
  font-size: 14px; 
  color: var(--text-muted); 
  line-height: 1.8; 
  margin-bottom: 12px; 
}

.terms-section ul, .terms-section ol { 
  padding-left: 20px; 
  margin-bottom: 12px; 
}

.terms-section li { 
  font-size: 14px; 
  color: var(--text-muted); 
  line-height: 1.8; 
  margin-bottom: 6px; 
}

.terms-section li::marker { 
  color: var(--accent); 
}

.terms-section a { 
  color: var(--accent); 
  text-decoration: none; 
  border-bottom: 1px solid rgba(56,189,248,0.3); 
  transition: border-color .2s; 
}

.terms-section a:hover { 
  border-color: var(--accent); 
}

.highlight-box { 
  background: var(--accent-dim); 
  border: 1px solid rgba(56,189,248,0.2); 
  border-left: 3px solid var(--accent); 
  border-radius: 0 10px 10px 0; 
  padding: 14px 18px; 
  margin: 16px 0; 
}

.highlight-box p { 
  font-size: 13px; 
  color: var(--text); 
  margin: 0; 
  line-height: 1.7; 
}

@keyframes fadeUp { 
  from { opacity: 0; transform: translateY(20px); } 
  to { opacity: 1; transform: translateY(0); } 
}

.terms-section:nth-child(2) { animation-delay: .45s; } 
.terms-section:nth-child(3) { animation-delay: .5s; }
.terms-section:nth-child(4) { animation-delay: .55s; } 
.terms-section:nth-child(5) { animation-delay: .6s; }
.terms-section:nth-child(6) { animation-delay: .65s; } 
.terms-section:nth-child(7) { animation-delay: .7s; }
.terms-section:nth-child(8) { animation-delay: .75s; } 
.terms-section:nth-child(9) { animation-delay: .8s; }
.terms-section:nth-child(10) { animation-delay: .85s; }

/* Fade transition for language switch */
.fade-out { 
  opacity: 0; 
  transition: opacity 0.18s ease; 
}

.fade-in { 
  opacity: 1; 
  transition: opacity 0.22s ease; 
}

#main-content { 
  opacity: 1; 
}