/* ==========================================================================
   ISRO OFFICIAL WEBSITE REDESIGN - DEEP SPACE BLACK OBSIDIAN THEME
   ========================================================================== */

:root {
  --bg-dark: #02040a;
  --bg-card: rgba(15, 22, 38, 0.88);
  --bg-card-hover: rgba(26, 36, 58, 0.95);
  --bg-glass: rgba(5, 8, 16, 0.92);
  
  --color-saffron: #f97316;
  --color-saffron-glow: rgba(249, 115, 22, 0.4);
  --color-cyan: #06b6d4;
  --color-cyan-glow: rgba(6, 182, 212, 0.4);
  --color-blue: #3b82f6;
  --color-green: #10b981;
  --color-yellow: #f59e0b;
  --color-purple: #8b5cf6;
  
  --text-primary: #ffffff;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  
  --border-glass: rgba(255, 255, 255, 0.14);
  --border-cyan: rgba(6, 182, 212, 0.4);
  --border-saffron: rgba(249, 115, 22, 0.4);
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-tech: 'Space Grotesk', monospace;
  
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  --shadow-hud: 0 0 25px rgba(6, 182, 212, 0.25);
  --shadow-card: 0 14px 35px -8px rgba(0, 0, 0, 0.8);

  --font-scale: 1;
}

/* THEME COLOR PALETTE OVERRIDES */
body.theme-cyan {
  --color-saffron: #06b6d4;
  --color-saffron-glow: rgba(6, 182, 212, 0.4);
  --border-saffron: rgba(6, 182, 212, 0.4);
}

body.theme-gold {
  --color-saffron: #f59e0b;
  --color-saffron-glow: rgba(245, 158, 11, 0.4);
  --border-saffron: rgba(245, 158, 11, 0.4);
}

body.theme-emerald {
  --color-saffron: #10b981;
  --color-saffron-glow: rgba(16, 185, 129, 0.4);
  --border-saffron: rgba(16, 185, 129, 0.4);
}

/* HIGH CONTRAST MODE OVERRIDES */
body.high-contrast {
  --bg-dark: #000000;
  --bg-card: #141414;
  --bg-card-hover: #222222;
  --text-primary: #ffffff;
  --text-secondary: #f1f5f9;
  --border-glass: #ffffff;
  --color-cyan: #00ffff;
  --color-saffron: #ff8c00;
}

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

html {
  scroll-behavior: smooth;
  font-size: calc(16px * var(--font-scale));
}

body {
  font-family: var(--font-sans);
  background: radial-gradient(circle at 50% 0%, #0d1322 0%, #02040a 65%, #000000 100%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* BACKGROUND STARFIELD CANVAS */
#starfieldCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.8;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  color: inherit;
}

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

/* TYPOGRAPHY UTILITIES */
h1, h2, h3, h4, .font-display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

.font-tech {
  font-family: var(--font-tech);
}

/* GOVERNMENT TOP BANNER - 100% EDGE-TO-EDGE FULL WIDTH */
.gov-topbar {
  background: #000000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 3px 0;
  font-size: 0.76rem;
  color: var(--text-secondary);
  position: relative;
  z-index: 101;
  width: 100%;
}

.gov-container {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.gov-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ashoka-emblem { font-size: 1.05rem; }
.gov-title { font-weight: 500; }
.gov-divider { color: var(--text-muted); }
.gov-org { color: var(--color-saffron); font-weight: 600; }

.gov-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* THEME PALETTE SWITCHER */
.theme-palette-picker {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  padding: 2px 8px;
}

.palette-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform var(--transition-fast);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.palette-dot:hover, .palette-dot.active {
  transform: scale(1.3);
  box-shadow: 0 0 8px currentColor;
}

.dot-saffron { background: #f97316; }
.dot-cyan { background: #06b6d4; }
.dot-gold { background: #f59e0b; }
.dot-emerald { background: #10b981; }

.gov-link-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.76rem;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

.gov-link-btn:hover { color: var(--color-cyan); }

.font-size-adjust {
  display: flex;
  align-items: center;
  gap: 3px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 1px 5px;
}

.font-size-adjust button {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 1px 5px;
  border-radius: 4px;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.font-size-adjust button:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
}

.lang-switch {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  padding: 2px;
}

.lang-btn {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.lang-btn.active {
  background: linear-gradient(135deg, var(--color-saffron), #ea580c);
  color: #ffffff;
  box-shadow: 0 2px 10px var(--color-saffron-glow);
}

/* MAIN FLOATING NAVBAR - OBSIDIAN DEEP BLACK */
.main-header {
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-glass);
  transition: all var(--transition-normal);
  width: 100%;
}

.nav-container {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 6px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-isro-icon {
  height: 38px;
  width: auto;
  filter: drop-shadow(0 0 8px rgba(244, 121, 32, 0.5));
  transition: transform var(--transition-normal);
}

.brand-logo:hover .brand-isro-icon {
  transform: rotate(6deg) scale(1.06);
}

.brand-emblem-icon {
  height: 36px;
  width: auto;
  border-radius: 4px;
  filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.6));
  margin-left: 4px;
  transition: transform var(--transition-normal);
  object-fit: contain;
}

.brand-logo:hover .brand-emblem-icon {
  transform: scale(1.08);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-sub {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-saffron);
}

.brand-desc {
  font-size: 0.74rem;
  color: var(--text-secondary);
  font-weight: 400;
}

/* NAV LINKS & DROP-DOWN MEGA MENUS */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  padding: 6px 11px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 3px;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-saffron), var(--color-cyan));
  border-radius: 2px;
}

.dropdown-icon {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-item { position: relative; }
.nav-item:hover .dropdown-icon { transform: rotate(180deg); }

.mega-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  width: 660px;
  background: rgba(5, 8, 16, 0.98);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.9), var(--shadow-hud);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-normal);
  z-index: 200;
}

.mega-dropdown.mini-dropdown {
  width: 320px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item:hover .mega-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(6px);
}

.mega-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.mega-heading {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-cyan);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mega-item {
  display: block;
  font-size: 0.86rem;
  color: var(--text-secondary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mega-item:hover {
  color: var(--text-primary);
  background: rgba(6, 182, 212, 0.2);
  transform: translateX(4px);
}

/* GAMIFICATION ACHIEVEMENTS TRIGGER */
.achieve-trigger-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(249, 115, 22, 0.2);
  border: 1px solid var(--border-saffron);
  padding: 5px 12px;
  border-radius: var(--radius-full);
  color: var(--color-saffron);
  font-size: 0.82rem;
  font-weight: 700;
  transition: all var(--transition-fast);
}

.achieve-trigger-btn:hover {
  background: rgba(249, 115, 22, 0.35);
  transform: scale(1.05);
  box-shadow: 0 0 15px var(--color-saffron-glow);
}

.achieve-badge-count {
  font-family: var(--font-tech);
  font-size: 0.78rem;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-trigger-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  font-size: 0.82rem;
  transition: all var(--transition-fast);
}

.search-trigger-btn:hover {
  background: rgba(6, 182, 212, 0.18);
  border-color: var(--color-cyan);
  color: var(--text-primary);
  box-shadow: 0 0 15px var(--color-cyan-glow);
}

.kbd-badge {
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 0.7rem;
  font-family: var(--font-tech);
}

.mobile-toggle-btn {
  display: none;
  padding: 8px;
  color: var(--text-primary);
}

/* FLASH NEWS MARQUEE - DEEP BLACK */
.flash-news-bar {
  background: linear-gradient(90deg, #000000 0%, #080f1e 50%, #000000 100%);
  border-bottom: 1px solid rgba(6, 182, 212, 0.25);
  padding: 6px 0;
  position: relative;
  z-index: 90;
  width: 100%;
}

.flash-container {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 0 32px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.flash-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--color-saffron), #ea580c);
  padding: 4px 14px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #ffffff;
  white-space: nowrap;
  box-shadow: 0 0 12px var(--color-saffron-glow);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: #ffffff;
  border-radius: 50%;
  animation: pulseGlow 1.5s infinite;
}

@keyframes pulseGlow {
  0% { transform: scale(0.9); opacity: 0.8; box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7); }
  70% { transform: scale(1.1); opacity: 1; box-shadow: 0 0 0 8px rgba(255, 255, 255, 0); }
  100% { transform: scale(0.9); opacity: 0.8; box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

.flash-content-wrap {
  flex: 1;
  overflow: hidden;
  position: relative;
  height: 24px;
}

.flash-ticker {
  display: flex;
  align-items: center;
  gap: 24px;
  white-space: nowrap;
  animation: tickerScroll 35s linear infinite;
  position: absolute;
  left: 0;
  top: 0;
}

.flash-ticker:hover { animation-play-state: paused; }

@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.flash-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.flash-item:hover {
  color: var(--color-cyan);
  text-decoration: underline;
}

.flash-tag {
  background: rgba(6, 182, 212, 0.2);
  border: 1px solid var(--border-cyan);
  color: var(--color-cyan);
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--font-tech);
}

.flash-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.flash-controls button {
  padding: 4px;
  color: var(--text-secondary);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.flash-controls button:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.15);
}

/* HERO SECTION WITH REAL ROCKET VIDEO & HUD */
.hero-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #000000;
}

.hero-video-bg {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translate(-50%, -50%) scale(1.05);
  object-fit: cover;
  opacity: 0.7;
  filter: brightness(0.95) contrast(1.15);
  z-index: 1;
}

.hero-overlay-gradient {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(2, 4, 10, 0.2) 0%, rgba(2, 4, 10, 0.9) 80%, #02040a 100%),
              linear-gradient(180deg, rgba(2, 4, 10, 0.8) 0%, transparent 30%, transparent 70%, #02040a 100%);
  z-index: 2;
}

/* HUD TELEMETRY OVERLAY */
.hud-layer {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
}

.hud-grid-background {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(6, 182, 212, 0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(6, 182, 212, 0.05) 1px, transparent 1px);
  background-size: 60px 60px;
  opacity: 0.6;
}

.hud-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-tech);
}

.hud-telemetry-box {
  background: rgba(2, 4, 10, 0.85);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-sm);
  padding: 8px 18px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-hud);
}

.telemetry-item {
  display: flex;
  flex-direction: column;
}

.telemetry-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.telemetry-val {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-cyan);
}

.hud-crosshair {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 220px;
  height: 220px;
  border: 1px stroke rgba(6, 182, 212, 0.3);
  border-radius: 50%;
}

.hud-crosshair::before {
  content: '';
  position: absolute;
  top: 50%; left: 0; right: 0;
  height: 1px;
  background: rgba(6, 182, 212, 0.25);
}

.hud-crosshair::after {
  content: '';
  position: absolute;
  left: 50%; top: 0; bottom: 0;
  width: 1px;
  background: rgba(6, 182, 212, 0.25);
}

/* HERO MAIN CONTENT */
.hero-content {
  position: relative;
  z-index: 4;
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
  padding: 40px 24px;
}

/* OFFICIAL EMBLEM & SATYAMEV JAYATE HERO PILL BADGE */
.hero-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(249, 115, 22, 0.22);
  border: 1px solid var(--border-saffron);
  padding: 8px 22px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--color-saffron);
  margin-bottom: 24px;
  box-shadow: 0 0 25px var(--color-saffron-glow);
  backdrop-filter: blur(12px);
}

.badge-isro-icon {
  height: 28px;
  width: auto;
  filter: drop-shadow(0 0 6px rgba(244, 121, 32, 0.6));
}

.badge-emblem-icon {
  height: 32px;
  width: auto;
  border-radius: 4px;
  filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.6));
  object-fit: contain;
}

.satyamev-tag {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-saffron);
  letter-spacing: 0.5px;
}

.hero-pill-sep {
  color: var(--text-muted);
  opacity: 0.7;
  font-size: 0.9rem;
}

.hero-pill-text {
  color: #ffffff;
  letter-spacing: 0.6px;
  font-size: 0.88rem;
  font-weight: 700;
  font-family: var(--font-display);
}

.hero-title {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -1px;
  margin-bottom: 20px;
  color: #ffffff;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--text-secondary);
  max-width: 780px;
  margin: 0 auto 36px auto;
  font-weight: 400;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* EYE-FRIENDLY BUTTON SYSTEM */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition-normal);
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-saffron), #ea580c);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--color-saffron-glow);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(249, 115, 22, 0.5);
}

.btn-cyan {
  background: linear-gradient(135deg, var(--color-cyan), #0284c7);
  color: #ffffff;
  box-shadow: 0 4px 20px var(--color-cyan-glow);
}

.btn-cyan:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 8px 30px rgba(6, 182, 212, 0.5);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateY(-3px);
}

/* REAL-TIME WORKING COUNTDOWN TICKER BOX */
.hero-countdown-box {
  margin-top: 40px;
  background: rgba(15, 22, 38, 0.9);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 24px 36px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-hud);
}

.countdown-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-cyan);
  display: flex;
  align-items: center;
  gap: 8px;
}

.countdown-digits {
  display: flex;
  align-items: center;
  gap: 16px;
  font-family: var(--font-tech);
}

.digit-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.digit-num {
  font-size: 2.4rem;
  font-weight: 700;
  color: #ffffff;
  background: rgba(6, 182, 212, 0.2);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  min-width: 64px;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.25);
}

.digit-lbl {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 6px;
  font-weight: 600;
}

.digit-sep {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-saffron);
}

/* QUICK ACCESS TILES SECTION */
.quick-tiles-section {
  padding: 40px 0 80px 0;
  position: relative;
  z-index: 10;
  margin-top: -40px;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 36px;
}

.tiles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 22px;
}

.tile-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.tile-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--tile-color, var(--color-cyan)), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.tile-card:hover {
  transform: translateY(-6px);
  background: var(--bg-card-hover);
  border-color: var(--tile-color, var(--color-cyan));
  box-shadow: var(--shadow-card);
}

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

.tile-icon-wrap {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tile-color, var(--color-cyan));
  transition: transform var(--transition-fast);
}

.tile-card:hover .tile-icon-wrap {
  transform: scale(1.1) rotate(5deg);
}

.tile-title { font-size: 1.2rem; font-weight: 700; color: #ffffff; }
.tile-desc { font-size: 0.9rem; color: var(--text-secondary); flex: 1; }
.tile-link { font-size: 0.88rem; font-weight: 600; color: var(--tile-color, var(--color-cyan)); display: flex; align-items: center; gap: 6px; }

/* ADITYA-L1 SOLAR WEATHER & MISSION STAGE INSPECTOR WIDGETS */
.solar-weather-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-saffron);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: 0 10px 30px rgba(249, 115, 22, 0.2);
  margin-bottom: 40px;
}

.weather-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.weather-metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}

.metric-box {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.metric-val {
  font-family: var(--font-tech);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-saffron);
}

/* LVM3 EXPLODED ROCKET STAGE INSPECTOR */
.stage-inspector-wrap {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 40px;
}

.stage-chips-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.stage-chip {
  padding: 10px 18px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-glass);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.stage-chip:hover, .stage-chip.active {
  background: rgba(6, 182, 212, 0.2);
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

/* SECTION HEADER */
.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-tech);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-cyan);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 14px;
  color: #ffffff;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
}

.section-padding { padding: 80px 0; position: relative; }

.section-bg-darker {
  background: #000000;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* MISSION CONTROL TABS */
.tab-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.tab-btn {
  padding: 10px 22px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all var(--transition-normal);
}

.tab-btn:hover { color: var(--text-primary); background: rgba(255, 255, 255, 0.15); }

.tab-btn.active {
  background: linear-gradient(135deg, var(--color-cyan), #0284c7);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 15px var(--color-cyan-glow);
}

.missions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}

.mission-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.mission-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-cyan);
  box-shadow: var(--shadow-card), 0 0 20px var(--color-cyan-glow);
}

.mission-img-wrap {
  height: 200px;
  position: relative;
  overflow: hidden;
  background: #02040a;
}

.mission-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.mission-card:hover .mission-img { transform: scale(1.08); }

.mission-status-badge {
  position: absolute;
  top: 16px; right: 16px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  backdrop-filter: blur(8px);
  text-transform: uppercase;
}

.status-active { background: rgba(16, 185, 129, 0.9); color: #fff; }
.status-completed { background: rgba(59, 130, 246, 0.9); color: #fff; }
.status-upcoming { background: rgba(249, 115, 22, 0.9); color: #fff; }

.mission-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.mission-title { font-size: 1.3rem; color: #ffffff; }
.mission-desc { font-size: 0.9rem; color: var(--text-secondary); flex: 1; }

.mission-meta-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.8rem;
}

.meta-item { display: flex; flex-direction: column; }
.meta-lbl { color: var(--text-muted); }
.meta-val { font-weight: 600; color: var(--text-primary); }

/* LAUNCH VEHICLES FLEET EXPLORER */
.fleet-comparator {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 32px;
  align-items: start;
}

.fleet-menu { display: flex; flex-direction: column; gap: 10px; }

.fleet-btn {
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  transition: all var(--transition-normal);
}

.fleet-btn:hover, .fleet-btn.active {
  background: rgba(6, 182, 212, 0.2);
  border-color: var(--color-cyan);
}

.fleet-btn-info { display: flex; flex-direction: column; }
.fleet-btn-title { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }
.fleet-btn-sub { font-size: 0.8rem; color: var(--text-secondary); }

.fleet-detail-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-hud);
}

.fleet-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.fleet-name { font-size: 2.2rem; color: var(--text-primary); }

.fleet-badge {
  background: rgba(249, 115, 22, 0.2);
  border: 1px solid var(--color-saffron);
  color: var(--color-saffron);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 700;
}

.fleet-specs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.spec-box {
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.spec-label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; margin-bottom: 4px; }
.spec-value { font-size: 1.4rem; font-weight: 700; color: var(--color-cyan); font-family: var(--font-tech); }

/* ORBIT CANVAS VISUALIZER */
.orbit-visualizer-wrap {
  position: relative;
  height: 520px;
  background: radial-gradient(circle at center, #0d1322 0%, #000000 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-cyan);
  overflow: hidden;
  box-shadow: var(--shadow-hud);
}

#orbitCanvas { width: 100%; height: 100%; display: block; }

.orbit-hud-controls {
  position: absolute;
  top: 20px; left: 20px;
  z-index: 10;
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: rgba(5, 8, 16, 0.92);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 0.85rem;
}

.orbit-hud-item {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  color: var(--text-secondary);
}

.orbit-hud-item.active { color: var(--color-cyan); font-weight: 600; }

.satellite-popup-card {
  position: absolute;
  bottom: 20px; right: 20px;
  z-index: 10;
  width: 320px;
  background: rgba(15, 22, 38, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--color-cyan);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8);
}

/* GAMIFICATION ACHIEVEMENTS DRAWER MODAL */
.achieve-modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(2, 4, 10, 0.92); backdrop-filter: blur(16px);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}

.achieve-modal-card {
  width: 100%; max-width: 680px;
  background: rgba(15, 22, 38, 0.98);
  border: 1px solid var(--border-saffron);
  border-radius: var(--radius-lg);
  padding: 32px; position: relative;
  box-shadow: 0 25px 50px rgba(0,0,0,0.9), 0 0 25px var(--color-saffron-glow);
}

.achieve-close-btn { position: absolute; top: 20px; right: 20px; color: var(--text-secondary); padding: 6px; border-radius: 50%; }
.achieve-header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.achieve-icon { width: 44px; height: 44px; color: var(--color-saffron); }

.badges-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; }

.badge-item {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md); padding: 16px; text-align: center;
  transition: all var(--transition-fast);
}

.badge-item.unlocked { border-color: var(--color-saffron); background: rgba(249,115,22,0.12); }
.badge-item.locked { opacity: 0.5; filter: grayscale(1); }

/* TOAST NOTIFICATION CONTAINER */
.toast-container {
  position: fixed; bottom: 30px; right: 30px; z-index: 2000;
  display: flex; flex-direction: column; gap: 10px; pointer-events: none;
}

.toast-message {
  background: rgba(15, 22, 38, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--color-saffron);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  color: #fff; font-size: 0.9rem; font-weight: 600;
  display: flex; align-items: center; gap: 12px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.8), 0 0 15px var(--color-saffron-glow);
  animation: slideInRight 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: auto;
}

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ISRO FOOTER SOCIAL MEDIA BADGES & STYLING */
.footer-social-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 16px; }

.social-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: var(--radius-full);
  font-size: 0.85rem; font-weight: 600; color: #ffffff;
  transition: all var(--transition-fast); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.social-btn:hover { transform: translateY(-3px) scale(1.04); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7); }

/* SOFT LOW-BRIGHTNESS MATTE WHITE X (TWITTER) BUTTON */
.social-x {
  background: #cbd5e1 !important;
  color: #0f172a !important;
  border: 1px solid rgba(203, 213, 225, 0.4);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.social-x svg {
  fill: #0f172a;
}

.social-x span {
  color: #0f172a;
  font-weight: 700;
}

.social-x:hover {
  background: #f1f5f9 !important;
  color: #000000 !important;
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.2);
}

.social-insta { background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%); }
.social-yt { background: linear-gradient(135deg, #ff0000 0%, #c40000 100%); }
.social-fb { background: linear-gradient(135deg, #1877f2 0%, #0b51b3 100%); }

/* FOOTER LAYOUT */
.app-footer { background: #000000; border-top: 1px solid rgba(255, 255, 255, 0.12); padding-top: 60px; }
.footer-container { max-width: 1440px; margin: 0 auto; padding: 0 36px; display: grid; grid-template-columns: 420px 1fr; gap: 60px; margin-bottom: 60px; }
.footer-brand { display: flex; flex-direction: column; gap: 16px; }
.footer-logo-row { display: flex; align-items: center; gap: 12px; }
.footer-logo-row h3 { font-size: 1.15rem; color: #ffffff; }
.footer-logo-row p { font-size: 0.8rem; color: var(--text-secondary); }
.footer-bio { font-size: 0.92rem; color: var(--text-secondary); }
.footer-links-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-col h4 { font-size: 1rem; color: var(--color-saffron); margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; }
.footer-col a { font-size: 0.88rem; color: var(--text-secondary); }
.footer-col a:hover { color: var(--text-primary); text-decoration: underline; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 24px 0; font-size: 0.82rem; color: var(--text-muted); }
.footer-bottom-container { max-width: 1440px; margin: 0 auto; padding: 0 36px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.legal-links { display: flex; gap: 10px; }

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 1024px) {
  .nav-menu { display: none; }
  .mobile-toggle-btn { display: block; }
  .fleet-comparator { grid-template-columns: 1fr; }
  .footer-container { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .gov-container, .nav-container, .flash-container { padding: 0 16px; }
  .hero-countdown-box { width: 100%; padding: 20px 16px; }
  .digit-num { font-size: 1.6rem; min-width: 44px; }
  .footer-links-grid { grid-template-columns: 1fr; }
}