:root {
  --bg-primary: #070b14;
  --bg-secondary: #0c1424;
  --bg-card: rgba(14, 25, 45, 0.75);
  --bg-card-hover: rgba(20, 38, 70, 0.85);
  --accent-cyan: #00f2fe;
  --accent-green: #00ff88;
  --accent-amber: #ffb703;
  --accent-red: #ff3366;
  --text-primary: #f0f6fc;
  --text-secondary: #8b9bb4;
  --text-muted: #566b88;
  --border-color: rgba(0, 242, 254, 0.2);
  --border-glow: 0 0 15px rgba(0, 242, 254, 0.25);
  --font-main: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  min-height: 100vh;
  background-image: 
    linear-gradient(rgba(0, 242, 254, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 242, 254, 0.03) 1px, transparent 1px);
  background-size: 32px 32px;
}

/* Header & Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(7, 11, 20, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: 0.05em;
}

.logo-badge {
  background: linear-gradient(135deg, #00f2fe, #4facfe);
  color: #000;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 900;
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all 0.2s;
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn-game-sim {
  background: linear-gradient(135deg, #00ff88, #00bd68);
  color: #05140b !important;
  font-weight: 700 !important;
  padding: 0.45rem 1rem !important;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  box-shadow: 0 0 12px rgba(0, 255, 136, 0.3);
}

.btn-game-sim:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.lang-switch {
  display: flex;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

.lang-switch a {
  padding: 4px 8px;
  color: var(--text-secondary);
  text-decoration: none;
  background: var(--bg-secondary);
}

.lang-switch a.active {
  background: var(--accent-cyan);
  color: #000;
  font-weight: 700;
}

/* Layout Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Hero Section */
.hero-banner {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  margin-bottom: 2.5rem;
  background: radial-gradient(circle at 75% 30%, rgba(0, 242, 254, 0.15) 0%, transparent 60%),
              linear-gradient(180deg, #0d1a30 0%, #070b14 100%);
  padding: 3.5rem 2.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.6rem;
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.hero-content h1 span {
  background: linear-gradient(135deg, #00f2fe, #4facfe);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 1.8rem;
  max-width: 620px;
}

.telemetry-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
  padding: 0.3rem 0.8rem;
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  margin-bottom: 1.2rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.5rem;
}

.stat-item .num {
  font-size: 1.7rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--accent-cyan);
}

.stat-item .label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-visual {
  position: relative;
  text-align: center;
}

.hero-visual img {
  width: 100%;
  max-width: 480px;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), var(--border-glow);
  border: 1px solid rgba(0, 242, 254, 0.3);
}

/* Cross Promo Synergy Banner */
.synergy-card {
  background: linear-gradient(135deg, rgba(0, 255, 136, 0.12), rgba(0, 242, 254, 0.06));
  border: 1px solid rgba(0, 255, 136, 0.35);
  border-radius: 10px;
  padding: 1.2rem 1.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
  box-shadow: 0 0 20px rgba(0, 255, 136, 0.1);
}

.synergy-text h3 {
  font-size: 1.15rem;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.synergy-text p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.synergy-btn {
  background: #00ff88;
  color: #05140b;
  font-weight: 700;
  text-decoration: none;
  padding: 0.6rem 1.4rem;
  border-radius: 6px;
  white-space: nowrap;
  font-size: 0.9rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.synergy-btn:hover {
  transform: scale(1.03);
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.4);
}

/* Section Titles */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding-bottom: 0.8rem;
}

.section-title {
  font-size: 1.6rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.section-title::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 22px;
  background: var(--accent-cyan);
  border-radius: 2px;
}

.section-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.3rem;
}

/* Aircraft Tech Tree & Grid */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.8rem;
}

.filter-btn {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  padding: 0.45rem 1rem;
  border-radius: 4px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.2s;
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(0, 242, 254, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.aircraft-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.aircraft-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 1.4rem;
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.aircraft-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-cyan);
  box-shadow: 0 8px 24px rgba(0, 242, 254, 0.15);
  transform: translateY(-3px);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.aircraft-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
}

.aircraft-faction {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.role-badge {
  font-size: 0.7rem;
  font-family: var(--font-mono);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  text-transform: uppercase;
}

.role-stealth { background: rgba(0, 242, 254, 0.15); color: var(--accent-cyan); border: 1px solid rgba(0, 242, 254, 0.3); }
.role-multirole { background: rgba(0, 255, 136, 0.15); color: var(--accent-green); border: 1px solid rgba(0, 255, 136, 0.3); }
.role-interceptor { background: rgba(255, 183, 3, 0.15); color: var(--accent-amber); border: 1px solid rgba(255, 183, 3, 0.3); }
.role-prototype { background: rgba(255, 51, 102, 0.15); color: var(--accent-red); border: 1px solid rgba(255, 51, 102, 0.3); }

/* Radar / Stat Bars */
.stat-bars {
  margin: 1rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8rem;
  font-family: var(--font-mono);
}

.stat-label {
  width: 90px;
  color: var(--text-secondary);
}

.stat-meter {
  flex: 1;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin: 0 0.8rem;
}

.stat-fill {
  height: 100%;
  background: linear-gradient(90deg, #00f2fe, #4facfe);
  border-radius: 3px;
}

.stat-val {
  width: 25px;
  text-align: right;
  color: var(--accent-cyan);
  font-weight: 700;
}

.weapons-row {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 0.8rem;
  margin-top: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.spw-tags {
  display: flex;
  gap: 0.35rem;
}

.spw-tag {
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.card-action {
  margin-top: 1rem;
  display: flex;
  gap: 0.5rem;
}

.btn-wiki {
  flex: 1;
  text-align: center;
  background: rgba(0, 242, 254, 0.1);
  border: 1px solid rgba(0, 242, 254, 0.3);
  color: var(--accent-cyan);
  padding: 0.5rem;
  border-radius: 5px;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
}

.btn-wiki:hover {
  background: var(--accent-cyan);
  color: #000;
}

/* Comparison Widget */
.compare-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.8rem;
  margin-bottom: 3rem;
}

.compare-controls {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  margin-bottom: 1.5rem;
}

.compare-select {
  width: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  color: #fff;
  padding: 0.7rem 1rem;
  border-radius: 6px;
  font-size: 1rem;
}

.compare-vs {
  font-family: var(--font-mono);
  font-weight: 900;
  color: var(--accent-amber);
  font-size: 1.2rem;
}

.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.compare-table th, .compare-table td {
  padding: 0.75rem 1rem;
  text-align: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.compare-table th {
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.compare-table td:nth-child(2) {
  color: var(--text-secondary);
  font-weight: 600;
  font-family: var(--font-main);
}

.val-win {
  color: var(--accent-green) !important;
  font-weight: 800;
}

/* Mission & Walkthrough Table */
.data-table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow-x: auto;
  margin-bottom: 3rem;
}

.wiki-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.wiki-table th {
  background: rgba(0, 0, 0, 0.3);
  padding: 1rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-family: var(--font-mono);
  border-bottom: 1px solid var(--border-color);
}

.wiki-table td {
  padding: 1rem;
  font-size: 0.9rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.wiki-table tr:hover {
  background: rgba(0, 242, 254, 0.04);
}

.s-rank-score {
  color: var(--accent-amber);
  font-weight: 700;
  font-family: var(--font-mono);
}

/* FAQ & Info Accordion */
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
  margin-bottom: 3rem;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 1.4rem;
}

.faq-item h4 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.faq-item h4::before {
  content: 'Q:';
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  font-weight: 800;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  background: #04070d;
  padding: 3rem 1.5rem 2rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1280px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 1rem;
  font-family: var(--font-mono);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
}

.footer-col a:hover {
  color: var(--accent-cyan);
}

.footer-disclaimer {
  max-width: 1280px;
  margin: 0 auto;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 1.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
}

/* Mobile Responsiveness */
@media (max-width: 900px) {
  .hero-banner {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
  }
  
  .compare-controls {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .faq-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .nav-container {
    flex-wrap: wrap;
    gap: 0.8rem;
  }
  
  .nav-links {
    width: 100%;
    order: 3;
    overflow-x: auto;
    padding-bottom: 0.4rem;
  }
  
  .hero-content h1 {
    font-size: 1.9rem;
  }
  
  .synergy-card {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}