/* ============================================
   Xiaomi Auto Community - Global Styles
   Design: Dark Tech / Glassmorphism / Futuristic
   ============================================ */

/* --- Google Fonts --- */
@import url('https://fonts.googleapis.com/css2?family=Syncopate:wght@400;700&family=Space+Mono:wght@400;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
  --bg-primary: #050510;
  --bg-secondary: #0a0a1a;
  --bg-card: rgba(15, 15, 35, 0.6);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 120, 255, 0.3);
  --text-primary: #ffffff;
  --text-secondary: #8892b0;
  --text-muted: #5a6280;
  --accent-blue: #0078ff;
  --accent-cyan: #00d4ff;
  --accent-light: #4da6ff;
  --accent-glow: rgba(0, 120, 255, 0.15);
  --gradient-blue: linear-gradient(135deg, #0078ff 0%, #00d4ff 100%);
  --gradient-dark: linear-gradient(180deg, #050510 0%, #0a0a1a 100%);
  --gradient-card: linear-gradient(135deg, rgba(0,120,255,0.05) 0%, rgba(0,212,255,0.02) 100%);
  --shadow-glow: 0 0 30px rgba(0, 120, 255, 0.1);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --font-display: 'Syncopate', sans-serif;
  --font-mono: 'Space Mono', monospace;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --z-nav: 100;
  --z-modal: 200;
  --z-toast: 300;
}

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--accent-blue); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent-cyan); }

/* --- Focus States --- */
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

/* --- Selection --- */
::selection {
  background: rgba(0, 120, 255, 0.3);
  color: #fff;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-label::before {
  content: '';
  width: 40px;
  height: 1px;
  background: var(--accent-cyan);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 700;
  letter-spacing: 2px;
  line-height: 1.2;
  margin-bottom: 20px;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 600px;
  line-height: 1.8;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.5px;
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-blue);
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 120, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 120, 255, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-outline {
  background: transparent;
  color: var(--accent-cyan);
  border: 1px solid var(--border-glow);
}

.btn-outline:hover {
  background: var(--accent-glow);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--bg-glass);
  color: var(--text-primary);
  border: 1px solid var(--border-glass);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-glow);
}

/* --- Cards --- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all var(--transition-normal);
  backdrop-filter: blur(12px);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,120,255,0.3), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.card:hover::before {
  opacity: 1;
}

/* --- Glass Card --- */
.glass {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
}

/* --- Tags --- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(0, 120, 255, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 120, 255, 0.2);
}

.tag-active {
  background: rgba(0, 212, 255, 0.15);
  border-color: var(--accent-cyan);
  animation: pulse-glow 2s ease-in-out infinite;
}

.tag-hot {
  background: rgba(255, 60, 60, 0.15);
  color: #ff6b6b;
  border-color: rgba(255, 60, 60, 0.3);
}

/* --- Grid Background Pattern --- */
.grid-bg {
  position: relative;
}

.grid-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,120,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,120,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 2;
  mask-image: radial-gradient(ellipse 50% 50% at center, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 50% 50% at center, black 20%, transparent 70%);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: 16px 0;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(5, 5, 16, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  padding: 10px 0;
}

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

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 2px;
  color: var(--text-primary);
}

.nav-logo svg {
  width: 32px;
  height: 32px;
}

.nav-logo .logo-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--accent-cyan);
  display: block;
}

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

.nav-link {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--bg-glass);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 1px;
}

.nav-join {
  margin-left: 16px;
}

/* --- Mobile Nav --- */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 1px;
  transition: all var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(5, 5, 16, 0.98);
  backdrop-filter: blur(30px);
  z-index: calc(var(--z-nav) - 1);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu .nav-link {
  font-size: 20px;
  padding: 12px 24px;
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-join.desktop { display: none; }
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%);
  object-fit: cover;
  z-index: 0;
}

.hero-video-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(5, 5, 16, 0.5) 0%,
    rgba(5, 5, 16, 0.3) 40%,
    rgba(5, 5, 16, 0.6) 70%,
    rgba(5, 5, 16, 0.95) 100%
  );
  z-index: 1;
}

.hero-bg .hero-gradient,
.hero-bg .hero-particles {
  z-index: 2;
}

.hero-gradient {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.4;
}

.hero-gradient-1 {
  top: -200px;
  right: -100px;
  background: radial-gradient(circle, rgba(0,120,255,0.3), transparent 70%);
  animation: float-slow 8s ease-in-out infinite;
}

.hero-gradient-2 {
  bottom: -200px;
  left: -200px;
  background: radial-gradient(circle, rgba(0,212,255,0.2), transparent 70%);
  animation: float-slow 10s ease-in-out infinite reverse;
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--accent-cyan);
  border-radius: 50%;
  opacity: 0;
  animation: particle-float 6s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 720px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 100px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
  animation: pulse-glow 2s ease-in-out infinite;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(36px, 7vw, 72px);
  font-weight: 700;
  letter-spacing: 4px;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero-title .gradient-text {
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--border-glass);
}

.hero-stat {
  text-align: left;
}

.hero-stat-value {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
}

.hero-stat-value .unit {
  font-size: 16px;
  color: var(--accent-cyan);
  margin-left: 4px;
}

.hero-stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  font-family: var(--font-mono);
  letter-spacing: 1px;
}

.hero-visual {
  position: absolute;
  right: -80px;
  top: 50%;
  transform: translateY(-50%);
  width: 560px;
  height: 560px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 3;
}

.hero-visual svg {
  width: 100%;
  height: 100%;
}

@media (max-width: 1024px) {
  .hero-visual { display: none; }
  .hero-stats { gap: 32px; flex-wrap: wrap; }
}

@media (max-width: 768px) {
  .hero { padding-top: 100px; min-height: auto; padding-bottom: 80px; }
  .hero-stats { gap: 24px; }
  .hero-stat-value { font-size: 28px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}

/* ============================================
   HIGHLIGHTS / FEATURES SECTION
   ============================================ */
.highlights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.highlight-card {
  padding: 36px 28px;
  text-align: left;
}

.highlight-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent-cyan);
}

.highlight-icon svg {
  width: 24px;
  height: 24px;
}

.highlight-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.highlight-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

@media (max-width: 1024px) {
  .highlights-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .highlights-grid { grid-template-columns: 1fr; }
}

/* ============================================
   ACTIVITY SECTION
   ============================================ */
.activities-filter {
  display: flex;
  gap: 10px;
  margin-top: 32px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 8px 20px;
  border-radius: 100px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  color: var(--accent-cyan);
  background: var(--accent-glow);
  border-color: var(--accent-cyan);
}

.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
}

.activity-card {
  cursor: pointer;
  padding: 0;
  overflow: hidden;
}

.activity-card-img {
  width: 100%;
  height: 200px;
  background: var(--gradient-card);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.activity-card-img .img-placeholder {
  color: var(--text-muted);
  font-size: 48px;
  opacity: 0.3;
}

.activity-card-img .activity-date-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  text-align: center;
}

.activity-date-badge .day {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-cyan);
  line-height: 1;
}

.activity-date-badge .month {
  font-size: 10px;
  color: var(--text-secondary);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.activity-card-body {
  padding: 24px;
}

.activity-card-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.activity-card-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.activity-card:hover .activity-card-title {
  color: var(--accent-cyan);
}

.activity-card-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.activity-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border-glass);
}

.activity-card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: var(--text-muted);
}

.activity-card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.activity-card-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.activity-card:hover .activity-card-arrow {
  background: var(--accent-glow);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateX(4px);
}

@media (max-width: 640px) {
  .activities-grid { grid-template-columns: 1fr; }
}

/* ============================================
   CALENDAR SECTION
   ============================================ */
.calendar-wrapper {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  margin-top: 48px;
}

.calendar-grid {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.calendar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-glass);
}

.calendar-month {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 2px;
}

.calendar-nav {
  display: flex;
  gap: 8px;
}

.calendar-nav button {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.calendar-nav button:hover {
  background: var(--accent-glow);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: 12px 24px;
  border-bottom: 1px solid var(--border-glass);
}

.calendar-weekday {
  text-align: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 2px;
  text-transform: uppercase;
}

.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  padding: 16px 24px;
  gap: 4px;
}

.calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.calendar-day:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.calendar-day.today {
  background: var(--accent-glow);
  color: var(--accent-cyan);
  font-weight: 700;
  border: 1px solid var(--accent-cyan);
}

.calendar-day.has-event::after {
  content: '';
  position: absolute;
  bottom: 6px;
  width: 4px;
  height: 4px;
  background: var(--accent-cyan);
  border-radius: 50%;
}

.calendar-day.other-month {
  color: var(--text-muted);
  opacity: 0.3;
}

.calendar-day.selected {
  background: var(--accent-blue);
  color: #fff;
}

/* --- Calendar Sidebar --- */
.calendar-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.calendar-sidebar-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 3px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.calendar-event-card {
  padding: 20px;
}

.calendar-event-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent-cyan);
  margin-bottom: 8px;
}

.calendar-event-name {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 6px;
}

.calendar-event-loc {
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

@media (max-width: 1024px) {
  .calendar-wrapper { grid-template-columns: 1fr; }
}

/* ============================================
   ACTIVITY DETAIL PAGE
   ============================================ */
.detail-hero {
  padding-top: 120px;
  padding-bottom: 60px;
  position: relative;
}

.detail-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.detail-breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.detail-breadcrumb a:hover {
  color: var(--accent-cyan);
}

.detail-breadcrumb .sep {
  color: var(--text-muted);
}

.detail-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.detail-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.detail-meta-item svg {
  width: 18px;
  height: 18px;
  color: var(--accent-cyan);
}

.detail-cover {
  width: 100%;
  height: 400px;
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  margin: 40px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.detail-cover .play-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(0, 120, 255, 0.8);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid rgba(255, 255, 255, 0.2);
}

.detail-cover .play-btn:hover {
  transform: scale(1.1);
  background: var(--accent-blue);
  box-shadow: 0 0 40px rgba(0, 120, 255, 0.5);
}

.detail-body {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
}

.detail-content h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.detail-content h3 {
  font-size: 18px;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.detail-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 16px;
}

.detail-content img {
  width: 100%;
  border-radius: var(--radius-md);
  margin: 24px 0;
  border: 1px solid var(--border-glass);
}

.detail-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.detail-info-card {
  padding: 24px;
}

.detail-info-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 2px;
  font-family: var(--font-mono);
  margin-bottom: 8px;
}

.detail-info-value {
  font-size: 15px;
  color: var(--text-primary);
  font-weight: 500;
}

.detail-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 32px 0;
}

.detail-gallery-item {
  aspect-ratio: 1;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.detail-gallery-item:hover {
  border-color: var(--border-glow);
  transform: scale(1.03);
}

@media (max-width: 1024px) {
  .detail-body { grid-template-columns: 1fr; }
  .detail-sidebar { position: static; }
}

@media (max-width: 768px) {
  .detail-cover { height: 240px; }
}

/* ============================================
   MEMBERS PAGE
   ============================================ */
.members-stats {
  display: flex;
  gap: 32px;
  margin-top: 32px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.members-stat-card {
  flex: 1;
  min-width: 200px;
  padding: 28px;
  text-align: center;
}

.members-stat-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.members-stat-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
}

.members-stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.members-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.member-card {
  text-align: center;
  padding: 36px 24px;
}

.member-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  margin: 0 auto 20px;
  background: var(--gradient-card);
  border: 2px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.member-avatar::after {
  content: '';
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  background: #00e676;
  border: 3px solid var(--bg-card);
  border-radius: 50%;
}

.member-avatar svg {
  width: 36px;
  height: 36px;
  color: var(--text-muted);
}

.member-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.member-role {
  font-size: 12px;
  color: var(--accent-cyan);
  font-family: var(--font-mono);
  letter-spacing: 1px;
  margin-bottom: 12px;
}

.member-bio {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.member-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}

.member-tag {
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 11px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
}

/* --- Leaderboard --- */
.leaderboard {
  margin-top: 60px;
}

.leaderboard-table {
  width: 100%;
  margin-top: 24px;
  border-collapse: separate;
  border-spacing: 0 8px;
}

.leaderboard-row {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.leaderboard-row:hover {
  border-color: var(--border-glow);
  transform: translateX(4px);
}

.leaderboard-row td {
  padding: 16px 20px;
  vertical-align: middle;
}

.leaderboard-row td:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.leaderboard-row td:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.leaderboard-rank {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text-muted);
  width: 48px;
}

.leaderboard-rank.gold { color: #ffd700; }
.leaderboard-rank.silver { color: #c0c0c0; }
.leaderboard-rank.bronze { color: #cd7f32; }

.leaderboard-user {
  display: flex;
  align-items: center;
  gap: 12px;
}

.leaderboard-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
}

.leaderboard-avatar svg {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
}

.leaderboard-name {
  font-weight: 600;
  font-size: 14px;
}

.leaderboard-points {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-cyan);
  text-align: right;
}

@media (max-width: 640px) {
  .members-grid { grid-template-columns: 1fr; }
  .leaderboard-table { font-size: 13px; }
}

/* ============================================
   JOIN PAGE
   ============================================ */
.join-hero {
  text-align: center;
  padding: 120px 0 80px;
}

.join-hero .section-title {
  font-size: clamp(32px, 6vw, 56px);
}

.join-hero .section-desc {
  margin: 0 auto;
  text-align: center;
  max-width: 640px;
}

.join-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin: 60px 0;
}

.join-step {
  text-align: center;
  padding: 40px 28px;
  position: relative;
}

.join-step-num {
  font-family: var(--font-display);
  font-size: 48px;
  font-weight: 700;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
  margin-bottom: 16px;
}

.join-step-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.join-step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

.join-benefits {
  margin: 60px 0;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.benefit-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.benefit-item:hover {
  border-color: var(--border-glow);
}

.benefit-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
}

.benefit-icon svg {
  width: 20px;
  height: 20px;
}

.benefit-text h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
}

.benefit-text p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- Join Form --- */
.join-form-section {
  max-width: 600px;
  margin: 0 auto;
}

.join-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 32px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  padding: 14px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font-body);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%238892b0' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--accent-blue);
  cursor: pointer;
}

.form-checkbox label {
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  line-height: 1.5;
}

@media (max-width: 640px) {
  .join-steps { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 60px 0 32px;
  background: var(--bg-secondary);
}

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

.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 16px;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--accent-glow);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  transform: translateY(-2px);
}

.footer-social a svg {
  width: 18px;
  height: 18px;
}

.footer-col h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
  border-top: 1px solid var(--border-glass);
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
}

/* ============================================
   ANIMATIONS
   ============================================ */
@keyframes float-slow {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -30px); }
}

@keyframes pulse-glow {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.4); }
  50% { opacity: 0.8; box-shadow: 0 0 0 8px rgba(0, 212, 255, 0); }
}

@keyframes particle-float {
  0% { transform: translateY(100vh); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-100px); opacity: 0; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slide-in-left {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* --- Counter Animation --- */
.counter {
  display: inline-block;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero-gradient { animation: none; }
  .particle { animation: none; display: none; }
  .hero-video { display: none; }
  html { scroll-behavior: auto; }
}

/* ============================================
   LOADING & TOAST
   ============================================ */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.4s, visibility 0.4s;
}

.page-loader.hide {
  opacity: 0;
  visibility: hidden;
}

.loader-ring {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-glass);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: var(--z-toast);
  transform: translateY(100px);
  opacity: 0;
  transition: all var(--transition-normal);
  backdrop-filter: blur(20px);
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast-icon {
  width: 24px;
  height: 24px;
  color: var(--accent-cyan);
}

.toast-msg {
  font-size: 14px;
  color: var(--text-primary);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: 50;
  backdrop-filter: blur(10px);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--accent-glow);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.back-to-top svg {
  width: 20px;
  height: 20px;
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
  background: var(--gradient-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 60px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(0,120,255,0.08) 0%, transparent 50%);
  pointer-events: none;
}

.cta-banner .section-title {
  position: relative;
  z-index: 1;
}

.cta-banner .section-desc {
  margin: 0 auto 32px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-banner .btn {
  position: relative;
  z-index: 1;
}