:root {
  --bg-primary: #F0F4F8;
  --bg-secondary: #E8EDF3;
  --bg-card: #FFFFFF;
  --bg-card-hover: #F7F9FC;
  --border-color: #D8DFE8;
  --text-primary: #1A202C;
  --text-secondary: #4A5568;
  --text-muted: #94A3B8;
  --accent: #3B82F6;
  --accent-dim: #3B82F666;
  --accent-bright: #60A5FA;
  --rarity-consumer: #B0C3D9;
  --rarity-industrial: #5E98D9;
  --rarity-milspec: #4B69FF;
  --rarity-restricted: #8847FF;
  --rarity-classified: #D32CE6;
  --rarity-covert: #EB4B4B;
  --rarity-extraordinary: #FFD700;
}

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

body {
  font-family: 'Exo 2', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 { font-family: 'Rajdhani', sans-serif; }
a { color: inherit; text-decoration: none; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

.noise-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 9999; opacity: 0.015;
  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");
}

.glow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}

/* ========== NAVBAR ========== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(240, 244, 248, 0.75);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(240, 244, 248, 0.95);
  border-bottom-color: var(--border-color);
}
.navbar-inner {
  max-width: 1440px; margin: 0 auto; padding: 0 28px;
  height: 64px; display: flex; align-items: center; justify-content: space-between;
}
.navbar-brand {
  display: flex; align-items: center; gap: 10px; cursor: pointer; transition: opacity 0.2s;
  flex-shrink: 0;
}
.navbar-brand:hover { opacity: 0.85; }
.brand-icon {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--accent), #1D4ED8);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 14px; color: #FFFFFF;
}
.brand-text {
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 18px;
  color: var(--text-primary); letter-spacing: 0.5px;
}
.navbar-links { display: flex; align-items: center; gap: 2px; }
.nav-link {
  display: flex; align-items: center; gap: 4px; padding: 7px 10px;
  border-radius: 8px; font-family: 'Rajdhani', sans-serif; font-weight: 600;
  font-size: 14px; color: var(--text-secondary); cursor: pointer;
  transition: all 0.2s ease; position: relative; white-space: nowrap;
}
.nav-link:hover { color: var(--text-primary); background: rgba(59,130,246,0.06); }
.nav-link.active { color: var(--accent); background: rgba(59,130,246,0.08); }
.nav-link.active::after {
  content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 20px; height: 2px; background: var(--accent); border-radius: 1px;
}
.mobile-toggle {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 4px;
}
.mobile-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--text-secondary); border-radius: 1px; transition: all 0.3s ease;
}
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

@media (max-width: 768px) {
  .mobile-toggle { display: flex; }
  .navbar-links {
    position: fixed; top: 64px; left: 0; right: 0;
    background: rgba(240,244,248,0.98); backdrop-filter: blur(20px);
    flex-direction: column; padding: 16px; gap: 4px;
    border-bottom: 1px solid var(--border-color);
    transform: translateY(-100%); opacity: 0; pointer-events: none;
    transition: all 0.3s ease;
  }
  .navbar-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-link { width: 100%; padding: 12px 16px; }
  .nav-link.active::after {
    left: 0; transform: none; bottom: auto; top: 50%; margin-top: -8px;
    width: 3px; height: 16px;
  }
}

/* ========== FOOTER ========== */
.site-footer { margin-top: auto; padding-top: 40px; }
.footer-inner {
  max-width: 1280px; margin: 0 auto; padding: 32px 24px; text-align: center;
}
.footer-brand { display: flex; align-items: center; justify-content: center; gap: 10px; margin-bottom: 12px; }
.footer-brand .brand-icon { width: 28px; height: 28px; border-radius: 6px; font-size: 12px; }
.footer-brand .brand-name {
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 16px; color: var(--text-primary);
}
.footer-desc { color: var(--text-muted); font-size: 14px; margin-bottom: 20px; }
.footer-bottom { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.footer-copy, .footer-note { color: var(--text-muted); font-size: 12px; }
.footer-note { opacity: 0.6; }
.footer-brand,
.footer-desc,
.footer-note {
  display: none;
}
.footer-bottom {
  max-width: 1120px;
  margin: 0 auto;
  gap: 0;
}
.footer-copy {
  font-size: 13px;
  line-height: 1.8;
  text-align: center;
}

/* ========== PAGE TRANSITIONS ========== */
.page-view { animation: pageIn 0.35s ease; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== HOME HERO ========== */
.hero {
  position: relative; min-height: 33vh;
  display: flex; align-items: center; justify-content: center; padding: 40px 24px 32px;
}
.hero-bg { position: absolute; inset: 0; overflow: hidden; }
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero-glow {
  position: absolute; top: 20%; left: 50%; transform: translateX(-50%);
  width: 500px; height: 300px;
  background: radial-gradient(ellipse, rgba(59,130,246,0.06) 0%, transparent 70%);
  filter: blur(60px);
}
.hero-content { position: relative; text-align: center; max-width: 720px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px;
  border-radius: 20px; background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2);
  font-size: 12px; font-weight: 500; color: var(--accent); margin-bottom: 16px;
}
.badge-dot {
  width: 5px; height: 5px; border-radius: 50%; background: var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.4} }

.hero-title {
  font-family: 'Rajdhani', sans-serif; font-weight: 700;
  font-size: clamp(36px, 6vw, 64px); line-height: 1.1;
  margin-bottom: 12px; letter-spacing: -1px;
}
.title-accent {
  background: linear-gradient(135deg, var(--accent), #60A5FA, var(--accent));
  background-size: 200% 100%;
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s ease-in-out infinite;
}
@keyframes shimmer { 0%,100%{background-position:0% 50%} 50%{background-position:100% 50%} }

/* ========== SECTIONS ========== */
.section-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section-title {
  font-family: 'Rajdhani', sans-serif; font-size: 28px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 8px;
}
.section-desc { font-size: 15px; color: var(--text-muted); }
.section-header {
  display: flex; align-items: flex-end; justify-content: space-between;
  margin-bottom: 32px; gap: 16px; flex-wrap: wrap;
}

/* ========== QUICK NAV ========== */
.quick-nav { padding: 0 0 60px; }
.nav-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 0; }
.nav-card {
  display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 20px 12px;
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: 14px; cursor: pointer; transition: all 0.3s ease; text-align: center;
}
.nav-card:hover {
  background: var(--bg-card-hover); border-color: rgba(59,130,246,0.25);
  transform: translateY(-4px); box-shadow: 0 8px 32px rgba(59,130,246,0.1);
}
.card-icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px; flex-shrink: 0;
}
.card-body { flex: 1; min-width: 0; }
.card-title {
  font-family: 'Rajdhani', sans-serif; font-size: 16px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 2px;
}
.card-desc { font-size: 11px; color: var(--text-muted); line-height: 1.4; }

/* ========== SUB PAGE COMMON ========== */
.page-container {
  min-height: calc(100vh - 64px); display: flex; align-items: flex-start;
  justify-content: center; padding: 104px 24px 40px;
}
.page-inner { max-width: 960px; width: 100%; }
.page-header { text-align: center; margin-bottom: 48px; }
.page-title {
  font-family: 'Rajdhani', sans-serif; font-size: 36px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 8px;
}
.page-desc { font-size: 16px; color: var(--text-muted); }

.coming-soon {
  padding: 48px 32px; background: var(--bg-card);
  border: 1px solid var(--border-color); border-radius: 16px; text-align: center;
}
.coming-icon { margin-bottom: 20px; opacity: 0.6; }
.coming-title {
  font-family: 'Rajdhani', sans-serif; font-size: 24px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 8px;
}
.coming-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
.back-link {
  display: inline-flex; align-items: center; gap: 6px; padding: 10px 24px;
  background: rgba(59,130,246,0.08); border: 1px solid rgba(59,130,246,0.2);
  border-radius: 8px; font-family: 'Rajdhani', sans-serif; font-weight: 600;
  font-size: 14px; color: var(--accent); cursor: pointer; transition: all 0.2s;
}
.back-link:hover { background: rgba(59,130,246,0.12); }

/* ========== GLOVE PAGE ========== */
.glove-filter-bar {
  display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; justify-content: center;
}
.filter-btn {
  padding: 8px 20px; border-radius: 8px; border: 1px solid var(--border-color);
  background: var(--bg-card); color: var(--text-secondary);
  font-family: 'Rajdhani', sans-serif; font-weight: 600; font-size: 14px;
  cursor: pointer; transition: all 0.2s;
}
.filter-btn:hover { border-color: var(--text-muted); color: var(--text-primary); }
.filter-btn.active {
  background: rgba(59,130,246,0.1); border-color: var(--accent); color: var(--accent);
}
.glove-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px;
}
.glove-card {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: 14px; overflow: hidden; transition: all 0.3s ease; cursor: pointer;
}
.glove-card:hover {
  border-color: rgba(59,130,246,0.2); transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(59,130,246,0.1);
}
.glove-card-img {
  height: 160px; display: flex; align-items: center; justify-content: center;
  font-size: 56px; position: relative; overflow: hidden;
}
.glove-card-img::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse at center, rgba(59,130,246,0.04) 0%, transparent 70%);
}
.glove-card-body { padding: 16px; }
.glove-card-name {
  font-family: 'Rajdhani', sans-serif; font-size: 16px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 4px;
}
.glove-card-case { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.glove-card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.glove-tag {
  font-size: 11px; padding: 2px 8px; border-radius: 4px;
  font-family: 'Rajdhani', sans-serif; font-weight: 600;
}

/* ========== CASES PAGE ========== */
.case-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 16px;
}
.case-card {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: 14px; overflow: hidden; text-align: center;
  transition: all 0.3s ease; cursor: pointer;
}
.case-card:hover {
  border-color: rgba(59,130,246,0.2); transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(59,130,246,0.1);
}
.case-card-img {
  height: 168px;
  padding: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(15,23,42,0.12));
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-thumb {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 10px 18px rgba(15,23,42,0.16));
}
.case-card-body { padding: 18px 18px 20px; }
.case-card-icon { font-size: 48px; margin-bottom: 12px; }
.case-card-name {
  font-family: 'Rajdhani', sans-serif; font-size: 17px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 4px;
}
.case-card-date { font-size: 12px; color: var(--text-muted); }

/* ========== BASICS PAGE ========== */
.basics-content { display: flex; flex-direction: column; gap: 12px; }
.basics-section {
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: 14px; overflow: hidden;
}
.basics-accordion-header {
  display: flex; align-items: center; gap: 10px;
  padding: 20px 28px; cursor: pointer;
  user-select: none; transition: background 0.2s;
}
.basics-accordion-header:hover { background: rgba(59,130,246,0.03); }
.basics-accordion-arrow {
  margin-left: auto; flex-shrink: 0;
  width: 24px; height: 24px; border-radius: 50%;
  background: rgba(59,130,246,0.08);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s ease;
  font-size: 12px; color: var(--accent);
}
.basics-section.open .basics-accordion-arrow { transform: rotate(180deg); }
.basics-accordion-body {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}
.basics-section.open .basics-accordion-body { max-height: 8000px; }
.basics-accordion-inner { padding: 0 28px 28px; }
.basics-section-title {
  font-family: 'Rajdhani', sans-serif; font-size: 20px; font-weight: 700;
  color: var(--text-primary); display: flex; align-items: center; gap: 10px;
}
.basics-section-title .sec-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #1D4ED8);
  color: #fff; font-size: 14px; font-weight: 700; flex-shrink: 0;
}
.basics-text { font-size: 14px; line-height: 1.8; color: var(--text-secondary); }
.basics-text p { margin-bottom: 12px; }
.basics-text ul { padding-left: 20px; margin-bottom: 12px; }
.basics-text li { margin-bottom: 6px; }
.basics-table {
  width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px;
}
.basics-table th {
  text-align: left; padding: 10px 14px; background: var(--bg-secondary);
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 14px;
  color: var(--text-primary); border-bottom: 2px solid var(--border-color);
}
.basics-table td {
  padding: 10px 14px; border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}
.basics-table tr:hover td { background: var(--bg-card-hover); }
.basics-highlight {
  padding: 16px 20px; border-radius: 10px; margin: 12px 0;
  background: rgba(59,130,246,0.06); border-left: 3px solid var(--accent);
  font-size: 13px; line-height: 1.7; color: var(--text-secondary);
}
.basics-wrong {
  color: #EF4444; font-weight: 600;
}
.basics-right {
  color: #10B981; font-weight: 600;
}
.basics-term-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px; margin-top: 12px;
}
.basics-term {
  padding: 12px 16px; background: var(--bg-secondary);
  border: 1px solid var(--border-color); border-radius: 10px;
}
.basics-term-name {
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 16px;
  color: var(--accent); margin-bottom: 4px;
}
.basics-term-desc { font-size: 12px; color: var(--text-muted); line-height: 1.5; }

/* ========== EVENTS PAGE ========== */
.events-era-list {
  display: flex; flex-direction: column; gap: 18px; padding: 0 28px 28px;
}
.events-era-card {
  padding: 22px; background: linear-gradient(180deg, rgba(240,244,248,0.7), rgba(255,255,255,0.95));
  border: 1px solid var(--border-color); border-radius: 14px;
}
.events-era-head {
  display: grid; grid-template-columns: 220px 1fr; gap: 18px;
  align-items: start; margin-bottom: 18px;
}
.events-era-title {
  font-family: 'Rajdhani', sans-serif; font-size: 28px; line-height: 1;
  font-weight: 700; color: var(--text-primary); margin-bottom: 8px;
}
.events-era-range { font-size: 13px; color: var(--accent); font-weight: 600; }
.events-era-intro { font-size: 14px; line-height: 1.8; color: var(--text-secondary); }

.events-timeline {
  position: relative; display: flex; flex-direction: column; gap: 16px;
}
.events-timeline::before {
  content: ''; position: absolute; top: 6px; bottom: 6px; left: 74px;
  width: 1px; background: linear-gradient(180deg, rgba(59,130,246,0.2), rgba(59,130,246,0.06));
}
.events-timeline-item {
  position: relative; display: grid; grid-template-columns: 96px 1fr; gap: 16px; align-items: start;
}
.events-year {
  position: relative; z-index: 1; width: fit-content; min-width: 72px;
  padding: 8px 12px; border-radius: 10px; background: var(--bg-card);
  border: 1px solid rgba(59,130,246,0.18); color: var(--accent);
  font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 18px; text-align: center;
  box-shadow: 0 8px 18px rgba(59,130,246,0.06);
}
.events-item-body {
  padding: 16px 18px; background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: 12px;
}
.events-item-title {
  font-family: 'Rajdhani', sans-serif; font-size: 20px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 10px;
}
.events-item-points {
  padding-left: 18px; color: var(--text-secondary); font-size: 14px; line-height: 1.8;
}
.events-item-points li + li { margin-top: 6px; }

.events-topic-grid {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px;
  margin-top: 16px;
}
.events-topic-card,
.events-mini-card {
  padding: 18px; background: var(--bg-card);
  border: 1px solid var(--border-color); border-radius: 12px;
}
.events-topic-title,
.events-mini-title {
  display: block; font-family: 'Rajdhani', sans-serif; font-size: 19px;
  font-weight: 700; color: var(--text-primary); margin-bottom: 6px;
}
.events-topic-sub {
  font-size: 12px; font-weight: 600; color: var(--accent); margin-bottom: 10px;
}
.events-topic-list {
  padding-left: 18px; color: var(--text-secondary); font-size: 14px; line-height: 1.8;
}
.events-topic-list li + li { margin-top: 6px; }

.events-mini-grid {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px;
  margin: 16px 0;
}
.events-mini-card p { font-size: 13px; line-height: 1.75; color: var(--text-secondary); }

.events-source-links {
  display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px;
}
.events-source-link {
  display: inline-flex; align-items: center; gap: 6px; padding: 9px 14px;
  border-radius: 10px; background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.18); color: var(--accent);
  font-family: 'Rajdhani', sans-serif; font-size: 14px; font-weight: 700;
  transition: all 0.2s ease;
}
.events-source-link:hover {
  background: rgba(59,130,246,0.12); transform: translateY(-1px);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .nav-grid { grid-template-columns: repeat(3,1fr); gap: 12px; }
  .nav-card { padding: 16px 10px; }
  .card-icon { width: 42px; height: 42px; font-size: 22px; }
  .card-title { font-size: 15px; }
  .card-desc { font-size: 10px; }
  .basics-accordion-header { padding: 16px 20px; }
  .basics-accordion-inner { padding: 0 20px 20px; }
  .events-era-list { padding: 0 20px 20px; }
  .events-era-head { grid-template-columns: 1fr; gap: 10px; }
  .events-topic-grid { grid-template-columns: 1fr; }
  .events-mini-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .hero { min-height: auto; padding: 40px 16px 24px; }
  .nav-grid { grid-template-columns: repeat(2,1fr); gap: 10px; }
  .nav-card { padding: 16px 10px; }
  .card-icon { width: 40px; height: 40px; font-size: 20px; }
  .basics-accordion-header { padding: 14px 16px; }
  .basics-accordion-inner { padding: 0 16px 16px; }
  .basics-table { font-size: 12px; }
  .basics-table th, .basics-table td { padding: 8px 10px; }
  .events-era-list { padding: 0 16px 16px; }
  .events-era-card { padding: 16px; }
  .events-timeline::before { display: none; }
  .events-timeline-item { grid-template-columns: 1fr; gap: 10px; }
  .events-year { min-width: 64px; font-size: 17px; }
  .events-item-body { padding: 14px 14px 14px 16px; }
  .events-topic-card,
  .events-mini-card { padding: 16px; }
}